Change votings to output outcome message in one line

Legacy(?) code that deallocated database instance before returning it
and allowing to use `MutableText` as a key for database.

config/AcediaAliases_Commands.ini

@@ -1,8 +1,8 @@
 ; This config file allows you to configure command aliases.
 ; Remember that aliases are case-insensitive.
 [AcediaCore.CommandAliasSource]
-record=(alias="yes",value="vote yes")
+record=(alias="yes",value="vote.yes")
-record=(alias="no",value="vote no")
+record=(alias="no",value="vote.no")
 
 [help CommandAliases]
 Alias="hlp"

config/AcediaCommands.ini

@@ -0,0 +1,117 @@
+[default Commands]
+autoEnable=true
+;=  Setting this to `true` enables players to input commands with "mutate"
+;=  console command.
+;=  Default is `true`.
+useMutateInput=true
+;=  Setting this to `true` enables players to input commands right in the chat
+;=  by prepending them with [`chatCommandPrefix`].
+;=  Default is `true`.
+useChatInput=true
+;=  Chat messages, prepended by this prefix will be treated as commands.
+;=  Default is "!". Empty values are also treated as "!".
+chatCommandPrefix=!
+;=  Allows to specify which user groups are used in determining command/votings
+;=  permission.
+;=  They must be specified in the order of importance: from the group with
+;=  highest level of permissions to the lowest. When determining player's
+;=  permission to use a certain command/voting, his group with the highest
+;=  available permissions will be used.
+commandGroup=admin
+commandGroup=moderator
+commandGroup=trusted
+commandGroup=all
+;=  Add a specified `CommandList` to the specified user group
+addCommandList=(name="default",for="all")
+addCommandList=(name="moderator",for="moderator")
+addCommandList=(name="admin",for="admin")
+addCommandList=(name="debug",for="admin")
+;=  Allows to specify a name for a certain command class
+;=
+;=  NOTE:By default command choses that name by itself and its not recommended
+;=  to override it. You should only use this setting in case there is naming
+;=  conflict between commands from different packages.
+;=renamingRule=(rename=class'ACommandHelp',to="lol")
+
+;=  Allows to specify a name for a certain voting class
+;=
+;=  NOTE:By default voting choses that name by itself and its not recommended
+;=  to override it. You should only use this setting in case there is naming
+;=  conflict between votings from different packages.
+;=votingRenamingRule=(rename=class'Voting',to="lol")
+
+;=  `CommandList` describes a set of commands and votings that can be made
+;=  available to users inside Commands feature
+;=
+;=  Optionally, permission configs can be specified for commands and votings,
+;=  allowing server admins to create command lists for different groups player
+;=  with the same commands, but different permissions.
+[default CommandList]
+;=  Allows to specify if this list should only be added when server is running
+;=  in debug mode.
+;=  `true` means yes, `false` means that list will always be available.
+debugOnly=false
+;=  Adds a command of specified class with a "default" permissions config
+command=class'ACommandHelp'
+command=class'ACommandVote'
+;=  Adds a voting of specified class with a "default" permissions config
+voting=class'Voting'
+;=  Adds a command of specified class with specified permissions config
+;=commandWith=(cmd=,config="")
+;=  Adds a voting of specified class with specified permissions config
+;=commandWith=(vtn=,config="")
+
+[debug CommandList]
+debugOnly=true
+command=class'ACommandFakers'
+
+[moderator CommandList]
+command=class'ACommandNotify'
+
+[admin CommandList]
+command=class'ACommandSideEffects'
+
+;=  `VotingPermissions` describe use permission settings for a voting
+[default VotingPermissions]
+;=  Determines the duration of the voting period, specified in seconds.
+;=  Zero or negative values mean unlimited voting period.
+votingTime=30
+;=  Determines how draw will be interpreted.
+;=  `true` means draw counts as a vote's success, `false` means draw counts as a vote's failure.
+drawEqualsSuccess=false
+;=  Determines whether spectators are allowed to vote.
+allowSpectatorVoting=false
+;=  Specifies which group(s) of players are allowed to see who makes what vote.
+allowedToVoteGroup=all
+;=  Specifies which group(s) of players are allowed to see who makes what vote.
+allowedToSeeVotesGroup=all
+;=  Specifies which group(s) of players are allowed to forcibly end voting.
+allowedToForceGroup=admin
+allowedToForceGroup=moderator
+
+[anonymous VotingPermissions]
+votingTime=30
+drawEqualsSuccess=false
+allowSpectatorVoting=false
+allowedToVoteGroup=all
+allowedToSeeVotesGroup=admin
+allowedToSeeVotesGroup=moderator
+allowedToForceGroup=admin
+allowedToForceGroup=moderator
+
+[moderator VotingPermissions]
+votingTime=60
+drawEqualsSuccess=false
+allowSpectatorVoting=false
+allowedToVoteGroup=admin
+allowedToVoteGroup=moderator
+allowedToSeeVotesGroup=admin
+allowedToForceGroup=admin
+
+[admin VotingPermissions]
+votingTime=60
+drawEqualsSuccess=false
+allowSpectatorVoting=true
+allowedToVoteGroup=admin
+allowedToSeeVotesGroup=admin
+allowedToForceGroup=admin

sources/BaseAPI/API/Commands/BuiltInCommands/ACommandFakers.uc

@@ -24,8 +24,12 @@ class ACommandFakers extends Command
 
 var private array<UserID> fakers;
 
+protected static function StaticFinalizer() {
+    __().memory.FreeMany(default.fakers);
+    default.fakers.length = 0;
+}
+
 protected function BuildData(CommandDataBuilder builder) {
-    builder.Name(P("fakers"));
     builder.Group(P("debug"));
     builder.Summary(P("Adds fake voters for testing \"vote\" command."));
     builder.Describe(P("Displays current fake voters."));
@@ -40,7 +44,11 @@ protected function BuildData(CommandDataBuilder builder) {
     builder.ParamBoolean(P("vote_for"));
 }
 
-protected function Executed(CallData arguments, EPlayer instigator) {
+protected function Executed(
+    CallData arguments,
+    EPlayer instigator,
+    CommandPermissions permissions
+) {
     if (arguments.subCommandName.IsEmpty()) {
         DisplayCurrentFakers();
     } else if (arguments.subCommandName.Compare(P("amount"), SCASE_INSENSITIVE)) {
@@ -52,14 +60,8 @@ protected function Executed(CallData arguments, EPlayer instigator) {
     }
 }
 
-public final function UpdateFakersForVoting() {
+public final static function /*borrow*/ array<UserID> BorrowDebugVoters() {
-    local Voting currentVoting;
+    return default.fakers;
-
-    currentVoting = GetCurrentVoting();
-    if (currentVoting != none) {
-        currentVoting.SetDebugVoters(fakers);
-    }
-    _.memory.Free(currentVoting);
 }
 
 private final function CastVote(int fakerID, bool voteFor) {
@@ -71,7 +73,7 @@ private final function CastVote(int fakerID, bool voteFor) {
             .WriteLine(P("Faker number is out of bounds."));
         return;
     }
-    currentVoting = GetCurrentVoting();
+    currentVoting = _.commands.GetCurrentVoting();
     if (currentVoting == none) {
         callerConsole
             .UseColor(_.color.TextFailure)
@@ -86,6 +88,7 @@ private final function ChangeAmount(int newAmount) {
     local int i;
     local Text nextIDName;
     local UserID nextID;
+    local Voting currentVoting;
 
     if (newAmount < 0) {
         callerConsole
@@ -110,19 +113,12 @@ private final function ChangeAmount(int newAmount) {
         }
         fakers.length = newAmount;
     }
-    UpdateFakersForVoting();
+    default.fakers = fakers;
-}
+    currentVoting = _.commands.GetCurrentVoting();
-
+    if (currentVoting != none) {
-private function Voting GetCurrentVoting() {
+        currentVoting.SetDebugVoters(default.fakers);
-    local Commands_Feature feature;
+        _.memory.Free(currentVoting);
-    local Voting result;
-
-    feature = Commands_Feature(class'Commands_Feature'.static.GetEnabledInstance());
-    if (feature != none) {
-        result = feature.GetCurrentVoting();
-        feature.FreeSelf();
     }
-    return result;
 }
 
 private function DisplayCurrentFakers() {
@@ -135,7 +131,7 @@ private function DisplayCurrentFakers() {
         callerConsole.WriteLine(P("No fakers!"));
         return;
     }
-    currentVoting = GetCurrentVoting();
+    currentVoting =_.commands.GetCurrentVoting();
     for (i = 0; i < fakers.length; i += 1) {
         nextNumber = _.text.FromIntM(i);
         callerConsole
@@ -163,4 +159,5 @@ private function DisplayCurrentFakers() {
 }
 
 defaultproperties {
+    preferredName = "fakers"
 }

sources/BaseAPI/API/Commands/BuiltInCommands/ACommandHelp.uc

@@ -1,6 +1,6 @@
 /**
  *  Command for displaying help information about registered Acedia's commands.
- *      Copyright 2021-2022 Anton Tarasenko
+ *      Copyright 2021-2023 Anton Tarasenko
  *------------------------------------------------------------------------------
  * This file is part of Acedia.
  *
@@ -18,7 +18,8 @@
  * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
  */
 class ACommandHelp extends Command
-    dependson(LoggerAPI);
+    dependson(LoggerAPI)
+    dependson(CommandAPI);
 
 /**
  *  # `ACommandHelp`
@@ -72,6 +73,8 @@ class ACommandHelp extends Command
 //  that uses sub-command names as keys and returns `ArrayList` of aliases.
 var private HashTable commandToAliasesMap;
 
+var private User callerUser;
+
 var public const int TSPACE, TCOMMAND_NAME_FALLBACK, TPLUS;
 var public const int TOPEN_BRACKET, TCLOSE_BRACKET, TCOLON_SPACE;
 var public const int TKEY, TDOUBLE_KEY, TCOMMA_SPACE, TBOOLEAN, TINDENT;
@@ -79,7 +82,8 @@ var public const int TBOOLEAN_TRUE_FALSE, TBOOLEAN_ENABLE_DISABLE;
 var public const int TBOOLEAN_ON_OFF, TBOOLEAN_YES_NO;
 var public const int TOPTIONS, TCMD_WITH_TARGET, TCMD_WITHOUT_TARGET;
 var public const int TSEPARATOR, TLIST_REGIRESTED_CMDS, TEMPTY_GROUP;
-var public const int TALIASES_FOR, TEMPTY, TDOT;
+var public const int TALIASES_FOR, TEMPTY, TDOT, TNO_COMMAND_BEGIN;
+var public const int TNO_COMMAND_END, TEMPTY_GROUP_BEGIN, TEMPTY_GROUP_END;
 
 protected function Constructor()
 {
@@ -96,13 +100,13 @@ protected function Constructor()
 
 protected function Finalizer()
 {
+    super.Finalizer();
     _.memory.Free(commandToAliasesMap);
     commandToAliasesMap = none;
 }
 
 protected function BuildData(CommandDataBuilder builder)
 {
-    builder.Name(P("help"));
     builder.Group(P("core"));
     builder.Summary(P("Displays detailed information about available commands."));
     builder.OptionalParams();
@@ -120,13 +124,18 @@ protected function BuildData(CommandDataBuilder builder)
     builder.ParamTextList(P("groups"));
 }
 
-protected function Executed(Command.CallData callData, EPlayer callerPlayer)
+protected function Executed(
-{
+    Command.CallData callData,
+    EPlayer callerPlayer,
+    CommandPermissions permissions
+) {
+    local bool printedSomething;
     local HashTable parameters, options;
     local ArrayList commandsToDisplay, commandGroupsToDisplay;
 
-    parameters  = callData.parameters;
+    callerUser = callerPlayer.GetIdentity();
-    options     = callData.options;
+    parameters = callData.parameters;
+    options = callData.options;
     //  Print command list if "--list" option was specified
     if (options.HasKey(P("list")))
     {
@@ -135,6 +144,7 @@ protected function Executed(Command.CallData callData, EPlayer callerPlayer)
             commandGroupsToDisplay,
             options.HasKey(P("aliases")));
         _.memory.Free(commandGroupsToDisplay);
+        printedSomething = true;
     }
     //  Help pages.
     //  Only need to print them if:
@@ -144,9 +154,11 @@ protected function Executed(Command.CallData callData, EPlayer callerPlayer)
     if (!options.HasKey(P("list")) || parameters.HasKey(P("commands")))
     {
         commandsToDisplay = parameters.GetArrayList(P("commands"));
-        DisplayCommandHelpPages(commandsToDisplay);
+        DisplayCommandHelpPages(commandsToDisplay, printedSomething);
         _.memory.Free(commandsToDisplay);
     }
+    _.memory.Free(callerUser);
+    callerUser = none;
 }
 
 //  If instance of the `Aliases_Feature` is passed as an argument (allowing this
@@ -247,17 +259,11 @@ private final function DisplayCommandLists(
     ArrayList   commandGroupsToDisplay,
     bool        displayAliases)
 {
-    local int               i;
+    local int           i;
-    local array<Text>       commandNames, groupsNames;
+    local array<Text>   commandNames, groupsNames;
-    local Commands_Feature  commandsFeature;
 
-    commandsFeature =
-        Commands_Feature(class'Commands_Feature'.static.GetEnabledInstance());
-    if (commandsFeature == none) {
-        return;
-    }
     if (commandGroupsToDisplay == none) {
-        groupsNames = commandsFeature.GetGroupsNames();
+        groupsNames = _.commands.GetGroupsNames();
     }
     else
     {
@@ -271,7 +277,7 @@ private final function DisplayCommandLists(
         if (groupsNames[i] == none) {
             continue;
         }
-        commandNames = commandsFeature.GetCommandNamesInGroup(groupsNames[i]);
+        commandNames = _.commands.GetCommandNamesInGroup(groupsNames[i]);
         if (commandNames.length > 0)
         {
             callerConsole.UseColorOnce(_.color.TextSubHeader);
@@ -282,41 +288,45 @@ private final function DisplayCommandLists(
                 callerConsole.WriteLine(groupsNames[i]);
             }
             PrintCommandsNamesArray(
-                commandsFeature,
                 commandNames,
                 displayAliases);
             _.memory.FreeMany(commandNames);
+        } else {
+            callerConsole.UseColor(_.color.TextFailure);
+            callerConsole.Write(T(TEMPTY_GROUP_BEGIN));
+            callerConsole.Write(groupsNames[i]);
+            callerConsole.WriteLine(T(TEMPTY_GROUP_END));
+            callerConsole.ResetColor();
         }
     }
     _.memory.FreeMany(groupsNames);
-    commandsFeature.FreeSelf();
 }
 
 private final function PrintCommandsNamesArray(
-    Commands_Feature    commandsFeature,
+    array<Text> commandsNamesArray,
-    array<Text>         commandsNamesArray,
+    bool displayAliases
-    bool                displayAliases)
+) {
-{
+    local int i;
-    local int           i;
+    local Command.Data nextData;
-    local Command       nextCommand;
+    local CommandAPI.CommandConfigInfo nextCommandPair;
-    local Command.Data  nextData;
 
     for (i = 0; i < commandsNamesArray.length; i += 1)
     {
-        nextCommand = commandsFeature.GetCommand(commandsNamesArray[i]);
+        nextCommandPair = _.commands.ResolveCommandForUser(
-        if (nextCommand == none) {
+            commandsNamesArray[i],
-            continue;
+            callerUser);
-        }
+        if (nextCommandPair.instance != none && !nextCommandPair.usageForbidden) {
-        nextData = nextCommand.BorrowData();
+            nextData = nextCommandPair.instance.BorrowData();
-        callerConsole
+            callerConsole
-            .UseColorOnce(_.color.textEmphasis)
+                .UseColorOnce(_.color.textEmphasis)
-            .Write(nextData.name)
+                .Write(commandsNamesArray[i])
-            .Write(T(TCOLON_SPACE))
+                .Write(T(TCOLON_SPACE))
-            .WriteLine(nextData.summary);
+                .WriteLine(nextData.summary);
-        if (displayAliases) {
+            if (displayAliases) {
-            PrintCommandAliases(nextData.name);
+                PrintCommandAliases(commandsNamesArray[i]);
+            }
         }
-        _.memory.Free(nextCommand);
+        _.memory.Free(nextCommandPair.instance);
     }
 }
 
@@ -397,46 +407,47 @@ private final function PrintAliasesArray(
     callerConsole.WriteBlock();
 }
 
-private final function DisplayCommandHelpPages(ArrayList commandList)
+private final function DisplayCommandHelpPages(ArrayList commandList, bool printedSomething) {
-{
+    local int i;
-    local int               i;
+    local Text nextUserProvidedName;
-    local bool              printedSomething;
+    local MutableText referredSubcommand;
-    local Text              nextUserProvidedName;
+    local CommandAPI.CommandConfigInfo nextPair;
-    local MutableText       referredSubcommand;
-    local Command           nextCommand;
 
     //  If arguments were empty - at least display our own help page
-    if (commandList == none)
+    if (commandList == none) {
-    {
+        nextPair.instance = self;
-        PrintHelpPageFor(BorrowData().name, none, BorrowData());
+        PrintHelpPageFor(usedName, none, nextPair);
         return;
     }
     //  Otherwise - print help for specified commands
-    for (i = 0; i < commandList.GetLength(); i += 1)
+    for (i = 0; i < commandList.GetLength(); i += 1) {
-    {
         nextUserProvidedName = commandList.GetText(i);
-        nextCommand = GetCommandFromUserProvidedName(
+        nextPair = GetCommandFromUserProvidedName(
             nextUserProvidedName,
-            referredSubcommand);
+            /*out*/ referredSubcommand);
-        if (nextCommand != none)
+        if (nextPair.instance != none && !nextPair.usageForbidden) {
-        {
             if (printedSomething) {
                 callerConsole.WriteLine(T(TSEPARATOR));
             }
             PrintHelpPageFor(
                 nextUserProvidedName,
                 referredSubcommand,
-                nextCommand.BorrowData());
+                nextPair);
             printedSomething = true;
+        } else if (nextPair.instance != none) {
+            callerConsole.UseColor(_.color.TextFailure);
+            callerConsole.Write(T(TNO_COMMAND_BEGIN));
+            callerConsole.Write(nextUserProvidedName);
+            callerConsole.WriteLine(T(TNO_COMMAND_END));
+            callerConsole.ResetColor();
         }
-        _.memory.Free(nextCommand);
+        _.memory.Free(nextPair.instance);
         _.memory.Free(nextUserProvidedName);
         _.memory.Free(referredSubcommand);
-        //      `referredSubcommand` is passed as an `out` parameter on
+        //  `referredSubcommand` is passed as an `out` parameter on
         //  every iteration, so we need to prevent the possibility of its value
         //  being used.
-        //      NOTE: `nextCommand` and `nextUserProvidedName` are just
+        //  NOTE: `nextCommand` and `nextUserProvidedName` are just rewritten.
-        //  rewritten.
         referredSubcommand = none;
     }
 }
@@ -446,56 +457,49 @@ private final function DisplayCommandHelpPages(ArrayList commandList)
 //  is passed) and is used to return name of the subcommand for returned
 //  `Command` that is specified by `nextUserProvidedName` (only relevant for
 //  aliases that refer to a particular subcommand).
-private final function Command GetCommandFromUserProvidedName(
+private final function CommandAPI.CommandConfigInfo GetCommandFromUserProvidedName(
-    BaseText        nextUserProvidedName,
+    BaseText nextUserProvidedName,
     out MutableText referredSubcommand)
 {
-    local Command           result;
+    local CommandAPI.CommandConfigInfo result;
-    local Text              commandAliasValue;
+    local Text commandAliasValue;
-    local Commands_Feature  commandsFeature;
+    local MutableText parsedCommandName;
-    local MutableText       parsedCommandName;
 
     //  Clear `out` parameter no matter what
-    if (referredSubcommand != none)
+    if (referredSubcommand != none) {
-    {
         referredSubcommand.FreeSelf();
         referredSubcommand = none;
     }
-    //  Try accessing (check availability of) `Commands_Feature`
-    commandsFeature =
-        Commands_Feature(class'Commands_Feature'.static.GetEnabledInstance());
-    if (commandsFeature == none) {
-        return none;
-    }
     //  Try getting command using `nextUserProvidedName` as a literal name
-    result = commandsFeature.GetCommand(nextUserProvidedName);
+    result = _.commands.ResolveCommandForUser(nextUserProvidedName, callerUser);
-    if (result != none)
+    if (result.instance != none) {
-    {
-        commandsFeature.FreeSelf();
         return result;
     }
     //  On failure - try resolving it as an alias
     commandAliasValue = _.alias.ResolveCommand(nextUserProvidedName);
     ParseCommandNames(commandAliasValue, parsedCommandName, referredSubcommand);
-    result = commandsFeature.GetCommand(parsedCommandName);
+    result = _.commands.ResolveCommandForUser(parsedCommandName, callerUser);
+    if (    result.instance == none
+        ||  !result.instance.IsSubCommandAllowed(referredSubcommand, result.config)) {
+        _.memory.Free(result.instance);
+        return result;
+    }
     //  Empty subcommand name from the alias is essentially no subcommand name
-    if (referredSubcommand != none && referredSubcommand.IsEmpty())
+    if (referredSubcommand != none && referredSubcommand.IsEmpty()) {
-    {
         referredSubcommand.FreeSelf();
         referredSubcommand = none;
     }
-    _.memory.Free(commandAliasValue);
+    _.memory.Free2(commandAliasValue, parsedCommandName);
-    _.memory.Free(parsedCommandName);
-    commandsFeature.FreeSelf();
     return result;
 }
 
 private final function PrintHelpPageFor(
-    BaseText        commandAlias,
+    BaseText commandAlias,
-    BaseText        referredSubcommand,
+    BaseText referredSubcommand,
-    Command.Data    commandData)
+    CommandAPI.CommandConfigInfo commandPair
-{
+) {
     local Text commandNameLowerCase, commandNameUpperCase;
+
     //  Get capitalized command name
     commandNameUpperCase = commandAlias.UpperCopy();
     //  Print header: name + basic info
@@ -503,7 +507,7 @@ private final function PrintHelpPageFor(
         .Write(commandNameUpperCase)
         .UseColor(_.color.textDefault);
     commandNameUpperCase.FreeSelf();
-    if (commandData.requiresTarget) {
+    if (commandPair.instance.BorrowData().requiresTarget) {
         callerConsole.WriteLine(T(TCMD_WITH_TARGET));
     }
     else {
@@ -511,31 +515,27 @@ private final function PrintHelpPageFor(
     }
     //  Print commands and options
     commandNameLowerCase = commandAlias.LowerCopy();
-    PrintCommands(commandData, commandNameLowerCase, referredSubcommand);
+    PrintCommands(commandPair, commandNameLowerCase, referredSubcommand);
     commandNameLowerCase.FreeSelf();
-    PrintOptions(commandData);
+    PrintOptions(commandPair.instance.BorrowData());
     //  Clean up
     callerConsole.ResetColor().Flush();
 }
 
 private final function PrintCommands(
-    Command.Data    data,
+    CommandAPI.CommandConfigInfo commandPair,
-    BaseText        commandName,
+    BaseText commandName,
-    BaseText        referredSubcommand)
+    BaseText referredSubcommand
-{
+) {
-    local int               i;
+    local int i;
-    local array<SubCommand> subCommands;
+    local array<Command.SubCommand> subCommands;
 
-    subCommands = data.subCommands;
+    subCommands = commandPair.instance.BorrowData().subCommands;
-    for (i = 0; i < subCommands.length; i += 1)
+    for (i = 0; i < subCommands.length; i += 1) {
-    {
+        if (referredSubcommand == none || referredSubcommand.Compare(subCommands[i].name)) {
-        if (    referredSubcommand == none
+            if (commandPair.instance.IsSubCommandAllowed(subCommands[i].name, commandPair.config)) {
-            ||  referredSubcommand.Compare(subCommands[i].name))
+                PrintSubCommand(subCommands[i], commandName, referredSubcommand != none);
-        {
+            }
-            PrintSubCommand(
-                subCommands[i],
-                commandName,
-                referredSubcommand != none);
         }
     }
 }
@@ -719,4 +719,13 @@ defaultproperties
     stringConstants(21) = ""
     TDOT                    = 22
     stringConstants(22) = "."
+    TNO_COMMAND_BEGIN       = 23
+    stringConstants(23) = "Command `"
+    TNO_COMMAND_END         = 24
+    stringConstants(24) = "` not found!"
+    TEMPTY_GROUP_BEGIN      = 25
+    stringConstants(25) = "No commands in group \""
+    TEMPTY_GROUP_END      = 26
+    stringConstants(26) = "\"!"
+    preferredName = "help"
 }

sources/BaseAPI/API/Commands/BuiltInCommands/ACommandNotify.uc

@@ -23,7 +23,6 @@ class ACommandNotify extends Command
     dependsOn(ChatApi);
 
 protected function BuildData(CommandDataBuilder builder) {
-    builder.Name(P("notify"));
     builder.Group(P("core"));
     builder.Summary(P("Notifies players with provided message."));
     builder.ParamText(P("message"));
@@ -43,7 +42,12 @@ protected function BuildData(CommandDataBuilder builder) {
     builder.ParamText(P("channel_name"));
 }
 
-protected function ExecutedFor(EPlayer target, CallData arguments, EPlayer instigator) {
+protected function ExecutedFor(
+    EPlayer target,
+    CallData arguments,
+    EPlayer instigator,
+    CommandPermissions permissions
+) {
     local Text title, message, plainTitle, plainMessage;
 
     plainMessage = arguments.parameters.GetText(P("message"));
@@ -61,4 +65,5 @@ protected function ExecutedFor(EPlayer target, CallData arguments, EPlayer insti
 }
 
 defaultproperties {
+    preferredName = "notify"
 }

sources/BaseAPI/API/Commands/BuiltInCommands/ACommandSideEffects.uc

@@ -36,8 +36,7 @@ protected function Finalizer() {
 }
 
 protected function BuildData(CommandDataBuilder builder) {
-    builder.Name(P("sideeffects"));
+    builder.Group(P("debug"));
-    builder.Group(P("core"));
     builder.Summary(P("Displays information about current side effects."));
     builder.Describe(P("This command allows to display current side effects, optionally filtering"
         @ "them by specified package names."));
@@ -54,7 +53,11 @@ protected function BuildData(CommandDataBuilder builder) {
     builder.Describe(P("Display verbose information about each side effect."));
 }
 
-protected function Executed(CallData arguments, EPlayer instigator) {
+protected function Executed(
+    CallData arguments,
+    EPlayer instigator,
+    CommandPermissions permissions
+) {
     local UserID playerID;
     local array<SideEffect> relevantSideEffects;
     local ArrayList packagesList, storedSideEffectsList;
@@ -190,4 +193,5 @@ private function ShowInfoFor(UserID playerID, int sideEffectIndex) {
 }
 
 defaultproperties {
+    preferredName = "sideeffects"
 }

sources/BaseAPI/API/Commands/BuiltInCommands/ACommandVote.uc

@@ -19,62 +19,93 @@
  * You should have received a copy of the GNU General Public License
  * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
  */
-class ACommandVote extends Command;
+class ACommandVote extends Command
+    dependson(CommandAPI)
+    dependson(VotingModel);
 
 var private CommandDataBuilder dataBuilder;
 
 protected function Constructor() {
     ResetVotingInfo();
+    _.commands.OnVotingAdded(self).connect = AddVotingInfo;
+    _.commands.OnVotingRemoved(self).connect = HandleRemovedVoting;
+    _.chat.OnVoiceMessage(self).connect = VoteWithVoice;
 }
 
 protected function Finalizer() {
     super.Finalizer();
     _.memory.Free(dataBuilder);
     dataBuilder = none;
+    _.commands.OnVotingAdded(self).Disconnect();
+    _.commands.OnVotingRemoved(self).Disconnect();
+    _.chat.OnVoiceMessage(self).Disconnect();
 }
 
 protected function BuildData(CommandDataBuilder builder) {
-    builder.Name(P("vote"));
     builder.Group(P("core"));
     builder.Summary(P("Allows players to initiate any available voting."
-        @ "Votings themselves are added as sub-commands."));
+        @ "Voting options themselves are specified as sub-commands."));
     builder.Describe(P("Default command simply displaces information about current vote."));
 
     dataBuilder.SubCommand(P("yes"));
     builder.Describe(P("Vote `yes` on the current vote."));
     dataBuilder.SubCommand(P("no"));
     builder.Describe(P("Vote `no` on the current vote."));
+
+    builder.Option(P("force"));
+    builder.Describe(P("Tries to force voting to end immediately with the desired result."));
 }
 
-protected function Executed(CallData arguments, EPlayer instigator) {
+protected function Executed(
+    CallData arguments,
+    EPlayer instigator,
+    CommandPermissions permissions
+) {
+    local bool forcingVoting;
+    local VotingModel.ForceEndingType forceType;
     local Voting currentVoting;
-    local Commands_Feature feature;
 
-    feature = Commands_Feature(class'Commands_Feature'.static.GetEnabledInstance());
+    forcingVoting = arguments.options.HasKey(P("force"));
-    if (feature == none) {
+    currentVoting = _.commands.GetCurrentVoting();
-        callerConsole
-            .UseColor(_.color.TextFailure)
-            .WriteLine(P("Feature responsible for commands and voting isn't enabled."
-                @ "This is unexpected, something broke terribly."));
-        return;
-    } else {
-        currentVoting = feature.GetCurrentVoting();
-    }
     if (arguments.subCommandName.IsEmpty()) {
         DisplayInfoAboutVoting(instigator, currentVoting);
     } else if (arguments.subCommandName.Compare(P("yes"), SCASE_INSENSITIVE)) {
         CastVote(currentVoting, instigator, true);
+        forceType = FET_Success;
     } else if (arguments.subCommandName.Compare(P("no"), SCASE_INSENSITIVE)) {
         CastVote(currentVoting, instigator, false);
+        forceType = FET_Failure;
+    } else if (StartVoting(arguments, currentVoting, instigator)) {
+        _.memory.Free(currentVoting);
+        currentVoting = _.commands.GetCurrentVoting();
+        forceType = FET_Success;
     } else {
-        StartVoting(arguments.subCommandName, feature, currentVoting, instigator);
+        forcingVoting = false;
+    }
+    if (currentVoting != none && !currentVoting.HasEnded() && forcingVoting) {
+        if (currentVoting.ForceEnding(instigator, forceType) == FEO_Forbidden) {
+            callerConsole
+                .WriteLine(F("You {$TextNegative aren't allowed} to forcibly end current voting"));
+        }
+    }
+    _.memory.Free(currentVoting);
+}
+
+private final function VoteWithVoice(EPlayer sender, ChatApi.BuiltInVoiceMessage message) {
+    local Voting currentVoting;
+
+    currentVoting = _.commands.GetCurrentVoting();
+    if (message == BIVM_AckYes) {
+        CastVote(currentVoting, sender, true);
+    }
+    if (message == BIVM_AckNo) {
+        CastVote(currentVoting, sender, false);
     }
-    _.memory.Free(feature);
     _.memory.Free(currentVoting);
 }
 
 /// Adds sub-command information about given voting with a given name.
-public final function AddVotingInfo(BaseText processName, class<Voting> processClass) {
+public final function AddVotingInfo(class<Voting> processClass, Text processName) {
     if (processName == none)    return;
     if (processClass == none)   return;
     if (dataBuilder == none)    return;
@@ -84,6 +115,19 @@ public final function AddVotingInfo(BaseText processName, class<Voting> processC
     commandData = dataBuilder.BorrowData();
 }
 
+public final function HandleRemovedVoting(class<Voting> votingClass) {
+    local int i;
+    local array<Text> votingsNames;
+
+    ResetVotingInfo();
+    // Rebuild the whole voting data
+    votingsNames = _.commands.GetAllVotingsNames();
+    for (i = 0; i < votingsNames.length; i += 1) {
+        AddVotingInfo(_.commands.GetVotingClass(votingsNames[i]), votingsNames[i]);
+    }
+    _.memory.FreeMany(votingsNames);
+}
+
 /// Clears all sub-command information added from [`Voting`]s.
 public final function ResetVotingInfo() {
     _.memory.Free(dataBuilder);
@@ -109,41 +153,54 @@ private final function CastVote(Voting currentVoting, EPlayer voter, bool voteFo
 }
 
 // Assumes all arguments aren't `none`.
-private final function StartVoting(
+private final function bool StartVoting(
-    BaseText votingName,
+    CallData arguments,
-    Commands_Feature feature,
     Voting currentVoting,
     EPlayer instigator
 ) {
-    local Command fakersCommand;
     local Voting newVoting;
-    local Commands_Feature.StartVotingResult result;
+    local User callerUser;
+    local CommandAPI.VotingConfigInfo pair;
+    local CommandAPI.StartVotingResult result;
 
-    result = feature.StartVoting(votingName);
+    callerUser = instigator.GetIdentity();
-    // Handle errors
+    pair = _.commands.ResolveVotingForUser(arguments.subCommandName, callerUser);
-    if (result == SVR_UnknownVoting) {
+    _.memory.Free(callerUser);
+    if (pair.votingClass == none) {
         callerConsole
             .UseColor(_.color.TextFailure)
             .Write(P("Unknown voting option \""))
-            .Write(votingName)
+            .Write(arguments.subCommandName)
             .WriteLine(P("\""));
-        return;
+        return false;
-    } else if (result == SVR_AlreadyInProgress) {
+    }
+    if (pair.usageForbidden) {
+        callerConsole
+            .UseColor(_.color.TextFailure)
+            .Write(P("You aren't allowed to start \""))
+            .Write(arguments.subCommandName)
+            .WriteLine(P("\" voting"));
+        return false;
+    }
+    result = _.commands.StartVoting(pair, arguments.parameters);
+    Log("Result:" @ result);
+    // Handle errors.
+    // `SVR_UnknownVoting` is impossible, since we've already checked that
+    // `pair.votingClass != none`)
+    if (result == SVR_AlreadyInProgress) {
         callerConsole
             .UseColor(_.color.TextWarning)
             .WriteLine(P("Another voting is already in progress!"));
-        return;
+        return false;
     }
-    // Inform new voting about fake voters, in case we're debugging
+    if (result == SVR_NoVoters) {
-    if (currentVoting == none && _.environment.IsDebugging()) {
+        callerConsole
-        fakersCommand = feature.GetCommand(P("fakers"));
+            .UseColor(_.color.TextWarning)
-        if (fakersCommand != none && fakersCommand.class == class'ACommandFakers') {
+            .WriteLine(P("There are no players eligible for that voting."));
-            ACommandFakers(fakersCommand).UpdateFakersForVoting();
+        return false;
-        }
-        _.memory.Free(fakersCommand);
     }
     // Cast a vote from instigator
-    newVoting = feature.GetCurrentVoting();
+    newVoting = _.commands.GetCurrentVoting();
     if (newVoting != none) {
         newVoting.CastVote(instigator, true);
     } else {
@@ -151,9 +208,13 @@ private final function StartVoting(
             .UseColor(_.color.TextFailure)
             .WriteLine(P("Voting should be available, but it isn't."
                 @ "This is unexpected, something broke terribly."));
+        _.memory.Free(newVoting);
+        return false;
     }
     _.memory.Free(newVoting);
+    return true;
 }
 
 defaultproperties {
+    preferredName = "vote"
 }

sources/BaseAPI/API/Commands/Command.uc

@@ -26,7 +26,7 @@ class Command extends AcediaObject
 //!
 //! Command class provides an automated way to add a command to a server through
 //! AcediaCore's features. It takes care of:
-//! 
+//!
 //!     1. Verifying that player has passed correct (expected parameters);
 //!     2. Parsing these parameters into usable values (both standard, built-in
 //!         types like `bool`, `int`, `float`, etc. and more advanced types such
@@ -54,92 +54,97 @@ class Command extends AcediaObject
 //!
 //! # Implementation
 //!
-//! The idea of `Command`'s implementation is simple: command is basically the `Command.Data` struct
+//! The idea of `Command`'s implementation is simple: command is basically the
-//! that is filled via `CommandDataBuilder`.
+//! `Command.Data` struct that is filled via `CommandDataBuilder`.
-//! Whenever command is called it uses `CommandParser` to parse user's input based on its
+//! Whenever command is called it uses `CommandParser` to parse user's input
-//! `Command.Data` and either report error (in case of failure) or pass make
+//! based on its `Command.Data` and either report error (in case of failure) or
-//! `Executed()`/`ExecutedFor()` calls (in case of success).
+//! pass make `Executed()`/`ExecutedFor()` calls (in case of success).
 //!
-//! When command is called is decided by `Commands_Feature` that tracks possible user inputs
+//! When command is called is decided by `Commands_Feature` that tracks possible
-//! (and provides `HandleInput()`/`HandleInputWith()` methods for adding custom command inputs).
+//! user inputs (and provides `HandleInput()`/`HandleInputWith()` methods for
-//! That feature basically parses first part of the command: its name (not the subcommand's names)
+//! adding custom command inputs). That feature basically parses first part of
-//! and target players (using `PlayersParser`, but only if command is targeted).
+//! the command: its name (not the subcommand's names) and target players
+//! (using `PlayersParser`, but only if command is targeted).
 //!
-//! Majority of the command-related code either serves to build `Command.Data` or to parse command
+//! Majority of the command-related code either serves to build `Command.Data`
-//! input by using it (`CommandParser`).
+//! or to parse command input by using it (`CommandParser`).
 
-/// Possible errors that can arise when parsing command parameters from user input
+/// Possible errors that can arise when parsing command parameters from user
+/// input
 enum ErrorType {
-    // No error
+    /// No error
     CET_None,
-    // Bad parser was provided to parse user input (this should not be possible)
+    /// Bad parser was provided to parse user input (this should not be possible)
     CET_BadParser,
-    // Sub-command name was not specified or was incorrect
+    /// Sub-command name was not specified or was incorrect
-    // (this should not be possible)
+    /// (this should not be possible)
     CET_NoSubCommands,
-    // Specified sub-command does not exist
+    /// Specified sub-command does not exist
-    // (only relevant when it is enforced for parser, e.g. by an alias)
+    /// (only relevant when it is enforced for parser, e.g. by an alias)
     CET_BadSubCommand,
-    // Required param for command / option was not specified
+    /// Required param for command / option was not specified
     CET_NoRequiredParam,
     CET_NoRequiredParamForOption,
-    // Unknown option key was specified
+    /// Unknown option key was specified
     CET_UnknownOption,
+    /// Unknown short option key was specified
     CET_UnknownShortOption,
-    // Same option appeared twice in one command call
+    /// Same option appeared twice in one command call
     CET_RepeatedOption,
-    // Part of user's input could not be interpreted as a part of
+    /// Part of user's input could not be interpreted as a part of
-    // command's call
+    /// command's call
     CET_UnusedCommandParameters,
-    // In one short option specification (e.g. '-lah') several options require parameters:
+    /// In one short option specification (e.g. '-lah') several options require
-    // this introduces ambiguity and is not allowed
+    /// parameters: this introduces ambiguity and is not allowed
     CET_MultipleOptionsWithParams,
-    // (For targeted commands only)
+    /// Targets are specified incorrectly (for targeted commands only)
-    // Targets are specified incorrectly (or none actually specified)
     CET_IncorrectTargetList,
+    // No targets are specified (for targeted commands only)
     CET_EmptyTargetList
 };
 
 /// Structure that contains all the information about how `Command` was called.
 struct CallData {
-    // Targeted players (if applicable)
+    /// Targeted players (if applicable)
     var public array<EPlayer> targetPlayers;
-    // Specified sub-command and parameters/options
+    /// Specified sub-command and parameters/options
     var public Text subCommandName;
-    // Provided parameters and specified options
+    /// Provided parameters and specified options
     var public HashTable parameters;
     var public HashTable options;
-    // Errors that occurred during command call processing are described by
+    /// Errors that occurred during command call processing are described by
-    // error type and optional error textual name of the object
+    /// error type.
-    // (parameter, option, etc.) that caused it.
     var public ErrorType parsingError;
+    /// Optional error textual name of the object (parameter, option, etc.)
+    /// that caused it.
     var public Text errorCause;
 };
 
 /// Possible types of parameters.
 enum ParameterType {
-    // Parses into `BoolBox`
+    /// Parses into `BoolBox`
     CPT_Boolean,
-    // Parses into `IntBox`
+    /// Parses into `IntBox`
     CPT_Integer,
-    // Parses into `FloatBox`
+    /// Parses into `FloatBox`
     CPT_Number,
-    // Parses into `Text`
+    /// Parses into `Text`
     CPT_Text,
-    // Special parameter that consumes the rest of the input into `Text`
+    /// Special parameter that consumes the rest of the input into `Text`
     CPT_Remainder,
-    // Parses into `HashTable`
+    /// Parses into `HashTable`
     CPT_Object,
-    // Parses into `ArrayList`
+    /// Parses into `ArrayList`
     CPT_Array,
-    // Parses into any JSON value
+    /// Parses into any JSON value
     CPT_JSON,
-    // Parses into an array of specified players
+    /// Parses into an array of specified players
     CPT_Players
 };
 
 /// Possible forms a boolean variable can be used as.
-/// Boolean parameter can define it's preferred format, which will be used for help page generation.
+/// Boolean parameter can define it's preferred format, which will be used for
+/// help page generation.
 enum PreferredBooleanFormat {
     PBF_TrueFalse,
     PBF_EnableDisable,
@@ -149,91 +154,117 @@ enum PreferredBooleanFormat {
 
 // Defines a singular command parameter
 struct Parameter {
-    // Display name (for the needs of help page displaying)
+    /// Display name (for the needs of help page displaying)
     var Text displayName;
-    // Type of value this parameter would store
+    /// Type of value this parameter would store
     var ParameterType type;
-    // Does it take only a singular value or can it contain several of them,
+    /// Does it take only a singular value or can it contain several of them,
-    // written in a list
+    /// written in a list
     var bool allowsList;
-    // Variable name that will be used as a key to store parameter's value
+    /// Variable name that will be used as a key to store parameter's value
     var Text variableName;
-    // (For `CPT_Boolean` type variables only) - preferred boolean format,
+    /// (For `CPT_Boolean` type variables only) - preferred boolean format,
-    // used in help pages
+    /// used in help pages
     var PreferredBooleanFormat  booleanFormat;
-    // `CPT_Text` can be attempted to be auto-resolved as an alias from some source during parsing.
+    /// `CPT_Text` can be attempted to be auto-resolved as an alias from some
-    // For command to attempt that, this field must be not-`none` and contain the name of
+    /// source during parsing.
-    // the alias source (either "weapon", "color", "feature", "entity" or some kind of custom alias
+    /// For command to attempt that, this field must be not-`none` and contain
-    // source name).
+    /// the name of the alias source (either "weapon", "color", "feature",
-    //
+    /// "entity" or some kind of custom alias source name).
-    // Only relevant when given value is prefixed with "$" character.
+    ///
+    /// Only relevant when given value is prefixed with "$" character.
     var Text aliasSourceName;
 };
 
-// Defines a sub-command of a this command (specified as "<command> <sub_command>").
+/// Defines a sub-command of a this command
-//
+/// (specified as "<command> <sub_command>").
-// Using sub-command is not optional, but if none defined (in `BuildData()`) / specified by
+///
-// the player - an empty (`name.IsEmpty()`) one is automatically created / used.
+/// Using sub-command is not optional, but if none defined
+/// (in `BuildData()`) / specified by the player - an empty (`name.IsEmpty()`)
+/// one is automatically created / used.
 struct SubCommand {
-    // Cannot be `none`
+    /// Name of the sub command. Cannot be `none`.
     var Text name;
-    // Can be `none` 
+    /// Human-readable description of the subcommand. Can be `none`.
-    var Text                description;
+    var Text description;
+    /// List of required parameters of this [`Command`].
     var array<Parameter> required;
+    /// List of optional parameters of this [`Command`].
     var array<Parameter> optional;
 };
 
-// Defines command's option (options are specified by "--long" or "-l").
+/// Defines command's option (options are specified by "--long" or "-l").
-// Options are independent from sub-commands.
+/// Options are independent from sub-commands.
 struct Option {
+    /// [`Option`]'s short name, i.e. a single letter "f" that can be specified
+    /// in, e.g. "-laf" type option listings
     var BaseText.Character shortName;
+    /// [`Option`]'s full name, e.g. "--force".
     var Text longName;
+    /// Human-readable description of the option. Can be `none`.
     var Text description;
-    // Option can also have their own parameters
+    /// List of required parameters of this [`Command::Option`].
     var array<Parameter> required;
+    /// List of required parameters of this [`Command::Option`].
     var array<Parameter> optional;
 };
 
-// Structure that defines what sub-commands and options command has
+/// Structure that defines what sub-commands and options command has
-// (and what parameters they take)
+/// (and what parameters they take)
 struct Data {
-    // Default command name that will be used unless Acedia is configured to
+    /// Command group this command belongs to
-    // do otherwise
-    var protected Text name;
-    // Command group this command belongs to
     var protected Text group;
-    // Short summary of what command does (recommended to
+    /// Short summary of what command does (recommended to
-    // keep it to 80 characters)
+    /// keep it to 80 characters)
     var protected Text summary;
+    /// Available subcommands.
     var protected array<SubCommand> subCommands;
+    /// Available options, common to all subcommands.
     var protected array<Option> options;
+    /// `true` iff related [`Command`] targets players.
     var protected bool requiresTarget;
 };
 var protected Data commandData;
 
+/// Setting variable that defines a name that will be chosen for command by
+/// default.
+var protected const string preferredName;
+/// Name that was used to register this command.
+var protected Text usedName;
+/// Settings variable that defines a class to be used for this [`Command`]'s
+/// permissions config
+var protected const class<CommandPermissions> permissionsConfigClass;
+
 // We do not really ever need to create more than one instance of each class
 // of `Command`, so we will simply store and reuse one created instance.
 var private Command mainInstance;
 
-
+/// When command is being executed we create several instances of
-// When command is being executed we create several instances of `ConsoleWriter` that can be used
+/// `ConsoleWriter` that can be used for command output.
-// for command output. They will also be automatically deallocated once command is executed.
+/// They will also be automatically deallocated once command is executed.
-//
+///
-// DO NOT modify them or deallocate any of them manually.
+/// DO NOT modify them or deallocate any of them manually.
-//
+///
-// This should make output more convenient and standardized.
+/// This should make output more convenient and standardized.
-//
+///
-// 1. `publicConsole` - sends messages to all present players;
+/// 1. `publicConsole` - sends messages to all present players;
-// 2. `callerConsole` - sends messages to the player that called the command;
+/// 2. `callerConsole` - sends messages to the player that called the command;
-// 3. `targetConsole` - sends messages to the player that is currently being targeted
+/// 3. `targetConsole` - sends messages to the player that is currently being
-// (different each call of `ExecutedFor()` and `none` during `Executed()` call);
+///     targeted (different each call of `ExecutedFor()` and `none` during
-// 4. `othersConsole` - sends messaged to every player that is neither "caller" or "target".
+///     `Executed()` call);
+/// 4. `othersConsole` - sends messaged to every player that is neither
+///     "caller" or "target".
 var protected ConsoleWriter publicConsole, othersConsole;
 var protected ConsoleWriter callerConsole, targetConsole;
 
 protected function Constructor() {
     local CommandDataBuilder dataBuilder;
+
+    if (permissionsConfigClass != none) {
+        permissionsConfigClass.static.Initialize();
+    }
     dataBuilder = CommandDataBuilder(_.memory.Allocate(class'CommandDataBuilder'));
+    // Let user fill-in the rest
     BuildData(dataBuilder);
     commandData = dataBuilder.BorrowData();
     dataBuilder.FreeSelf();
@@ -246,8 +277,10 @@ protected function Finalizer() {
     local array<Option> options;
 
     DeallocateConsoles();
-    _.memory.Free(commandData.name);
+    _.memory.Free(usedName);
     _.memory.Free(commandData.summary);
+    usedName = none;
+    commandData.summary = none;
     subCommands = commandData.subCommands;
     for (i = 0; i < options.length; i += 1) {
         _.memory.Free(subCommands[i].name);
@@ -270,43 +303,55 @@ protected function Finalizer() {
     commandData.options.length = 0;
 }
 
-private final function CleanParameters(array<Parameter> parameters) {
+/// Initializes command, providing it with a specific name.
-    local int i;
+///
+/// Argument cannot be `none`, otherwise initialization fails.
+/// [`Command`] can only be successfully initialized once.
+public final function bool Initialize(BaseText commandName) {
+    if (commandName == none)    return false;
+    if (usedName != none)       return false;
 
-    for (i = 0; i < parameters.length; i += 1) {
+    usedName = commandName.LowerCopy();
-        _.memory.Free(parameters[i].displayName);
+    return true;
-        _.memory.Free(parameters[i].variableName);
-        _.memory.Free(parameters[i].aliasSourceName);
-    }
 }
 
-/// Overload this method to use `builder` to define parameters and options for your command.
+/// Overload this method to use `builder` to define parameters and options for
+/// your command.
 protected function BuildData(CommandDataBuilder builder){}
 
-/// Overload this method to perform required actions when your command is called.
+/// Overload this method to perform required actions when your command is
-///
+/// called.
-/// [`arguments`] is a `struct` filled with parameters that your command has been called with.
-/// Guaranteed to not be in error state.
 ///
+/// [`arguments`] is a `struct` filled with parameters that your command has
+/// been called with. Guaranteed to not be in error state.
 /// [`instigator`] is a player that instigated this execution.
-protected function Executed(CallData arguments, EPlayer instigator){}
+/// [`permissions`] is a config with permissions for this command call.
-
+protected function Executed(
-/// Overload this method to perform required actions when your command is called with a given player
+    CallData arguments,
-/// as a target.
+    EPlayer instigator,
+    CommandPermissions permissions) {}
+
+/// Overload this method to perform required actions when your command is called
+/// with a given player as a target.
 ///
-/// If several players have been specified - this method will be called once for each.
+/// If several players have been specified - this method will be called once
+/// for each.
 ///
 /// If your command does not require a target - this method will not be called.
 ///
 /// [`target`] is a player that this command must perform an action on.
-/// [`arguments`] is a `struct` filled with parameters that your command has been called with.
+/// [`arguments`] is a `struct` filled with parameters that your command has
-/// Guaranteed to not be in error state.
+/// been called with. Guaranteed to not be in error state.
-///
 /// [`instigator`] is a player that instigated this execution.
-protected function ExecutedFor(EPlayer target, CallData arguments, EPlayer instigator) {}
+/// [`permissions`] is a config with permissions for this command call.
-
+protected function ExecutedFor(
-/// Returns an instance of command (of particular class) that is stored "as a singleton" in
+    EPlayer target,
-/// command's class itself. Do not deallocate it.
+    CallData arguments,
+    EPlayer instigator,
+    CommandPermissions permissions) {}
+
+/// Returns an instance of command (of particular class) that is stored
+/// "as a singleton" in command's class itself. Do not deallocate it.
 public final static function Command GetInstance() {
     if (default.mainInstance == none) {
         default.mainInstance = Command(__().memory.Allocate(default.class));
@@ -314,18 +359,19 @@ public final static function Command GetInstance() {
     return default.mainInstance;
 }
 
-/// Forces command to process (parse) player's input, producing a structure with parsed data in
+/// Forces command to process (parse) player's input, producing a structure with
-/// Acedia's format instead.
+/// parsed data in Acedia's format instead.
 ///
 /// Use `Execute()` for actually performing command's actions.
 ///
 /// [`subCommandName`] can be optionally specified to use as sub-command.
-/// If this argument's value is `none` - sub-command name will be parsed from the `parser`'s data.
+/// If this argument's value is `none` - sub-command name will be parsed from
+/// the `parser`'s data.
 ///
-/// Returns `CallData` structure that contains all the information about parameters specified in
+/// Returns `CallData` structure that contains all the information about
-/// `parser`'s contents.
+/// parameters specified in `parser`'s contents.
-/// Returned structure contains objects that must be deallocated, which can easily be done by
+/// Returned structure contains objects that must be deallocated, which can
-/// the auxiliary `DeallocateCallData()` method.
+/// easily be done by the auxiliary `DeallocateCallData()` method.
 public final function CallData ParseInputWith(
     Parser parser,
     EPlayer callerPlayer,
@@ -363,16 +409,27 @@ public final function CallData ParseInputWith(
     return callData;
 }
 
-/// Executes caller `Command` with data provided by `callData` if it is in a correct state and
+/// Executes caller `Command` with data provided by `callData` if it is in
-/// reports error to `callerPlayer` if `callData` is invalid.
+/// a correct state and reports error to `callerPlayer` if `callData` is
+/// invalid.
 ///
 /// Returns `true` if command was successfully executed and `false` otherwise.
-/// Execution is considered successful if `Execute()` call was made, regardless of whether `Command`
+/// Execution is considered successful if `Execute()` call was made, regardless
-/// can actually perform required action.
+/// of whether `Command` can actually perform required action.
-/// For example, giving a weapon to a player can fail because he does not have enough space in his
+/// For example, giving a weapon to a player can fail because he does not have
-/// inventory, but it will still be considered a successful execution as far as return value is
+/// enough space in his inventory, but it will still be considered a successful
-/// concerned.
+/// execution as far as return value is concerned.
-public final function bool Execute(CallData callData, EPlayer callerPlayer) {
+///
+/// [`permissions`] argument is supposed to specify permissions with which this
+/// command runs.
+/// If [`permissionsConfigClass`] is `none`, it must always be `none`.
+/// If [`permissionsConfigClass`] is not `none`, then [`permissions`] argument
+/// being `none` should mean running with minimal priviledges.
+public final function bool Execute(
+    CallData callData,
+    EPlayer callerPlayer,
+    CommandPermissions permissions
+) {
     local int i;
     local array<EPlayer> targetPlayers;
 
@@ -389,11 +446,11 @@ public final function bool Execute(CallData callData, EPlayer callerPlayer) {
     callerConsole = _.console.For(callerPlayer);
     callerConsole
         .Write(P("Executing command `"))
-        .Write(commandData.name)
+        .Write(usedName)
         .Say(P("`"));
     // `othersConsole` should also exist in time for `Executed()` call
     othersConsole = _.console.ForAll().ButPlayer(callerPlayer);
-    Executed(callData, callerPlayer);
+    Executed(callData, callerPlayer, permissions);
     _.memory.Free(othersConsole);
     if (commandData.requiresTarget) {
         for (i = 0; i < targetPlayers.length; i += 1) {
@@ -402,7 +459,7 @@ public final function bool Execute(CallData callData, EPlayer callerPlayer) {
                 .ForAll()
                 .ButPlayer(callerPlayer)
                 .ButPlayer(targetPlayers[i]);
-            ExecutedFor(targetPlayers[i], callData, callerPlayer);
+            ExecutedFor(targetPlayers[i], callData, callerPlayer, permissions);
             _.memory.Free(othersConsole);
             _.memory.Free(targetConsole);
         }
@@ -413,6 +470,209 @@ public final function bool Execute(CallData callData, EPlayer callerPlayer) {
     return true;
 }
 
+/// Auxiliary method that cleans up all data and deallocates all objects inside provided structure.
+public final static function DeallocateCallData(/* take */ CallData callData) {
+    __().memory.Free(callData.subCommandName);
+    __().memory.Free(callData.parameters);
+    __().memory.Free(callData.options);
+    __().memory.Free(callData.errorCause);
+    __().memory.FreeMany(callData.targetPlayers);
+    if (callData.targetPlayers.length > 0) {
+        callData.targetPlayers.length = 0;
+    }
+}
+
+private final function CleanParameters(array<Parameter> parameters) {
+    local int i;
+
+    for (i = 0; i < parameters.length; i += 1) {
+        _.memory.Free(parameters[i].displayName);
+        _.memory.Free(parameters[i].variableName);
+        _.memory.Free(parameters[i].aliasSourceName);
+    }
+}
+
+/// Returns name (in lower case) of the caller command class.
+public final static function Text GetPreferredName() {
+    return __().text.FromString(Locs(default.preferredName));
+}
+
+/// Returns name (in lower case) of the caller command class.
+public final static function string GetPreferredName_S() {
+    return Locs(default.preferredName);
+}
+
+/// Returns name (in lower case) of the caller command class.
+public final function Text GetName() {
+    if (usedName == none) {
+        return P("").Copy();
+    }
+    return usedName.LowerCopy();
+}
+
+/// Returns name (in lower case) of the caller command class.
+public final function string GetName_S() {
+    if (usedName == none) {
+        return "";
+    }
+    return _.text.IntoString(/*take*/ usedName.LowerCopy());
+}
+
+/// Returns group name (in lower case) of the caller command class.
+public final function Text GetGroupName() {
+    if (commandData.group == none) {
+        return P("").Copy();
+    }
+    return commandData.group.LowerCopy();
+}
+
+/// Returns group name (in lower case) of the caller command class.
+public final function string GetGroupName_S() {
+    if (commandData.group == none) {
+        return "";
+    }
+    return _.text.IntoString(/*take*/ commandData.group.LowerCopy());
+}
+
+/// Loads permissions config with a given name for the caller [`Command`] class.
+///
+/// Permission configs describe allowed usage of the [`Command`].
+/// Basic settings are contained inside [`CommandPermissions`], but commands
+/// should derive their own child classes for storing their settings.
+///
+/// Returns `none` if caller [`Command`] class didn't specify custom permission
+/// settings class or provided name is invalid (according to
+/// [`BaseText::IsValidName()`]).
+/// Otherwise guaranteed to return a config reference.
+public final static function CommandPermissions LoadConfig(BaseText configName) {
+    if (configName == none)                     return none;
+    if (default.permissionsConfigClass == none) return none;
+
+    // This creates default config if it is missing
+    default.permissionsConfigClass.static.NewConfig(configName);
+    return CommandPermissions(default.permissionsConfigClass.static
+        .GetConfigInstance(configName));
+}
+
+/// Loads permissions config with a given name for the caller [`Command`] class.
+///
+/// Permission configs describe allowed usage of the [`Command`].
+/// Basic settings are contained inside [`CommandPermissions`], but commands
+/// should derive their own child classes for storing their settings.
+///
+/// Returns `none` if caller [`Command`] class didn't specify custom permission
+/// settings class or provided name is invalid (according to
+/// [`BaseText::IsValidName()`]).
+/// Otherwise guaranteed to return a config reference.
+public final static function CommandPermissions LoadConfig_S(string configName) {
+    local MutableText wrapper;
+    local CommandPermissions result;
+
+    wrapper = __().text.FromStringM(configName);
+    result = LoadConfig(wrapper);
+    __().memory.Free(wrapper);
+    return result;
+}
+
+/// Returns subcommands of caller [`Command`] according to the provided
+/// permissions.
+///
+/// If provided `none` as permissions, returns all available sub commands.
+public final function array<Text> GetSubCommands(optional CommandPermissions permissions) {
+    local int i, j;
+    local bool addSubCommand;
+    local array<string> forbiddenCommands;
+    local array<Text> result;
+
+    forbiddenCommands = permissions.forbiddenSubCommands;
+    if (permissions != none) {
+        forbiddenCommands = permissions.forbiddenSubCommands;
+    }
+    for (i = 0; i < commandData.subCommands.length; i += 1) {
+        addSubCommand = true;
+        for (j = 0; j < forbiddenCommands.length; j += 1) {
+            if (commandData.subCommands[i].name.ToString() ~= forbiddenCommands[j]) {
+                addSubCommand = false;
+                break;
+            }
+        }
+        if (addSubCommand) {
+            result[result.length] = commandData.subCommands[i].name.LowerCopy();
+        }
+    }
+    return result;
+}
+
+/// Returns sub commands of caller [`Command`] according to the provided
+/// permissions.
+///
+/// If provided `none` as permissions, returns all available sub commands.
+public final function array<string> GetSubCommands_S(optional CommandPermissions permissions) {
+    return _.text.IntoStrings(GetSubCommands(permissions));
+}
+
+/// Checks whether a given sub command (case insensitive) is allowed to be
+/// executed with given permissions.
+///
+/// If `none` is passed as either argument, returns `true`.
+///
+/// Doesn't check for the existence of sub command, only that permissions do not
+/// explicitly forbid it.
+/// In case non-existing subcommand is passed as an argument, the result
+/// should be considered undefined.
+public final function bool IsSubCommandAllowed(
+    BaseText subCommand,
+    CommandPermissions permissions
+) {
+    if (subCommand == none)     return true;
+    if (permissions == none)    return true;
+
+    return IsSubCommandAllowed_S(subCommand.ToString(), permissions);
+}
+
+/// Checks whether a given sub command (case insensitive) is allowed to be
+/// executed with given permissions.
+///
+/// If `none` is passed for permissions, always returns `true`.
+///
+/// Doesn't check for the existence of sub command, only that permissions do not
+/// explicitly forbid it.
+/// In case non-existing sub command is passed as an argument, the result
+/// should be considered undefined.
+public final function bool IsSubCommandAllowed_S(
+    string subCommand,
+    CommandPermissions permissions
+) {
+    local int i;
+    local array<string> forbiddenCommands;
+
+    if (permissions == none) {
+        return true;
+    }
+    forbiddenCommands = permissions.forbiddenSubCommands;
+    for (i = 0; i < forbiddenCommands.length; i += 1) {
+        if (subCommand ~= forbiddenCommands[i]) {
+            return false;
+        }
+    }
+    return true;
+}
+
+/// Returns `Command.Data` struct that describes caller `Command`.
+///
+/// Returned struct contains `Text` references that are used internally by
+/// the `Command` and not their copies.
+///
+/// Generally this is undesired approach and leaves `Command` more vulnerable to
+/// modification, but copying all the data inside would not only introduce
+/// a largely pointless computational overhead, but also would require some
+/// cumbersome logic.
+/// This might change in the future, so deallocating any objects in the returned
+/// `struct` would lead to undefined behavior.
+public final function Data BorrowData() {
+    return commandData;
+}
+
 private final function DeallocateConsoles() {
     if (publicConsole != none && publicConsole.IsAllocated()) {
         _.memory.Free(publicConsole);
@@ -432,20 +692,8 @@ private final function DeallocateConsoles() {
     othersConsole = none;
 }
 
-/// Auxiliary method that cleans up all data and deallocates all objects inside provided structure.
+/// Reports given error to the `callerPlayer`, appropriately picking
-public final static function DeallocateCallData(/* take */ CallData callData) {
+/// message color
-    __().memory.Free(callData.subCommandName);
-    __().memory.Free(callData.parameters);
-    __().memory.Free(callData.options);
-    __().memory.Free(callData.errorCause);
-    __().memory.FreeMany(callData.targetPlayers);
-    if (callData.targetPlayers.length > 0) {
-        callData.targetPlayers.length = 0;
-    }
-}
-
-// Reports given error to the `callerPlayer`, appropriately picking
-// message color
 private final function ReportError(CallData callData, EPlayer callerPlayer) {
     local Text errorMessage;
     local ConsoleWriter console;
@@ -551,35 +799,7 @@ private final function array<EPlayer> ParseTargets(Parser parser, EPlayer caller
     return targetPlayers;
 }
 
-/// Returns name (in lower case) of the caller command class.
-public final function Text GetName() {
-    if (commandData.name == none) {
-        return P("").Copy();
-    }
-    return commandData.name.LowerCopy();
-}
-
-/// Returns group name (in lower case) of the caller command class.
-public final function Text GetGroupName() {
-    if (commandData.group == none) {
-        return P("").Copy();
-    }
-    return commandData.group.LowerCopy();
-}
-
-/// Returns `Command.Data` struct that describes caller `Command`.
-///
-/// Returned struct contains `Text` references that are used internally by the `Command` and
-/// not their copies.
-///
-/// Generally this is undesired approach and leaves `Command` more vulnerable to modification,
-/// but copying all the data inside would not only introduce a largely pointless computational
-/// overhead, but also would require some cumbersome logic.
-/// This might change in the future, so deallocating any objects in the returned `struct` would lead
-/// to undefined behavior.
-public final function Data BorrowData() {
-    return commandData;
-}
-
 defaultproperties {
+    preferredName = ""
+    permissionsConfigClass = none
 }

sources/BaseAPI/API/Commands/CommandList.uc

@@ -0,0 +1,249 @@
+/**
+ *  Config class for storing map lists.
+ *      Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class CommandList extends AcediaConfig
+    perObjectConfig
+    config(AcediaCommands);
+
+//! `CommandList` describes a set of commands and votings that can be made
+//! available to users inside Commands feature
+//!
+//! Optionally, permission configs can be specified for commands and votings,
+//! allowing server admins to create command lists for different groups player
+//! with the same commands, but different permissions.
+
+// For storing `class<Command>` - `string` pairs in the config
+struct CommandConfigStoragePair {
+    var public class<Command> cmd;
+    var public string config;
+};
+
+// For storing `class` - `string` pairs in the config
+struct VotingConfigStoragePair {
+    var public class<Voting> vtn;
+    var public string config;
+};
+
+// For returning `class` - `Text` pairs into other Acedia classes
+struct EntityConfigPair {
+    var public class<AcediaObject> class;
+    var public Text config;
+};
+
+/// Allows to specify if this list should only be added when server is running
+/// in debug mode.
+/// `true` means yes, `false` means that list will always be available.
+var public config bool debugOnly;
+/// Adds a command of specified class with a "default" permissions config.
+var public config array< class<Command> > command;
+/// Adds a command of specified class with specified permissions config
+var public config array<CommandConfigStoragePair> commandWith;
+/// Adds a voting of specified class with a "default" permissions config
+var public config array< class<Voting> > voting;
+/// Adds a voting of specified class with specified permissions config
+var public config array<VotingConfigStoragePair> votingWith;
+
+public final function array<EntityConfigPair> GetCommandData() {
+    local int i;
+    local EntityConfigPair nextPair;
+    local array<EntityConfigPair> result;
+
+    for (i = 0; i < command.length; i += 1) {
+        if (command[i] != none) {
+            nextPair.class = command[i];
+            result[result.length] = nextPair;
+        }
+    }
+    for (i = 0; i < commandWith.length; i += 1) {
+        if (commandWith[i].cmd != none) {
+            nextPair.class = commandWith[i].cmd;
+            if (commandWith[i].config != "") {
+                nextPair.config = _.text.FromString(commandWith[i].config);
+            }
+            result[result.length] = nextPair;
+            // Moved into the `result`
+            nextPair.config = none;
+        }
+    }
+    return result;
+}
+
+public final function array<EntityConfigPair> GetVotingData() {
+    local int i;
+    local EntityConfigPair nextPair;
+    local array<EntityConfigPair> result;
+
+    for (i = 0; i < voting.length; i += 1) {
+        if (voting[i] != none) {
+            nextPair.class = voting[i];
+            result[result.length] = nextPair;
+        }
+    }
+    for (i = 0; i < votingWith.length; i += 1) {
+        if (votingWith[i].vtn != none) {
+            nextPair.class = votingWith[i].vtn;
+            if (votingWith[i].config != "") {
+                nextPair.config = _.text.FromString(votingWith[i].config);
+            }
+            result[result.length] = nextPair;
+            // Moved into the `result`
+            nextPair.config = none;
+        }
+    }
+    return result;
+}
+
+protected function HashTable ToData() {
+    local int i;
+    local ArrayList entityArray;
+    local HashTable result, innerPair;
+
+    result = _.collections.EmptyHashTable();
+    result.SetBool(P("debugOnly"), debugOnly);
+    entityArray = _.collections.EmptyArrayList();
+    for (i = 0; i < command.length; i += 1) {
+        entityArray.AddString(string(command[i]));
+    }
+    result.SetItem(P("commands"), entityArray);
+    _.memory.Free(entityArray);
+
+    entityArray = _.collections.EmptyArrayList();
+    for (i = 0; i < voting.length; i += 1) {
+        entityArray.AddString(string(voting[i]));
+    }
+    result.SetItem(P("votings"), entityArray);
+    _.memory.Free(entityArray);
+
+    entityArray = _.collections.EmptyArrayList();
+    for (i = 0; i < commandWith.length; i += 1) {
+        innerPair = _.collections.EmptyHashTable();
+        innerPair.SetString(P("command"), string(commandWith[i].cmd));
+        innerPair.SetString(P("config"), commandWith[i].config);
+        entityArray.AddItem(innerPair);
+        _.memory.Free(innerPair);
+    }
+    result.SetItem(P("commandsWithConfig"), entityArray);
+    _.memory.Free(entityArray);
+
+    entityArray = _.collections.EmptyArrayList();
+    for (i = 0; i < votingWith.length; i += 1) {
+        innerPair = _.collections.EmptyHashTable();
+        innerPair.SetString(P("voting"), string(votingWith[i].vtn));
+        innerPair.SetString(P("config"), votingWith[i].config);
+        entityArray.AddItem(innerPair);
+        _.memory.Free(innerPair);
+    }
+    result.SetItem(P("votingsWithConfig"), entityArray);
+    _.memory.Free(entityArray);
+    return result;
+}
+
+protected function FromData(HashTable source) {
+    local int i;
+    local ArrayList entityArray;
+    local HashTable innerPair;
+    local class<Command> nextCommandClass;
+    local class<Voting> nextVotingClass;
+    local CommandConfigStoragePair nextCommandPair;
+    local VotingConfigStoragePair nextVotingPair;
+
+    if (source == none) {
+        return;
+    }
+    debugOnly = source.GetBool(P("debugOnly"));
+    command.length = 0;
+    entityArray = source.GetArrayList(P("commands"));
+    if (entityArray != none) {
+        for (i = 0; i < entityArray.GetLength(); i += 1) {
+            nextCommandClass = class<Command>(_.memory.LoadClass_S(entityArray.GetString(i)));
+            if (nextCommandClass != none) {
+                command[command.length] = nextCommandClass;
+            }
+        }
+    }
+    _.memory.Free(entityArray);
+
+    voting.length = 0;
+    entityArray = source.GetArrayList(P("votings"));
+    if (entityArray != none) {
+        for (i = 0; i < entityArray.GetLength(); i += 1) {
+            nextVotingClass = class<Voting>(_.memory.LoadClass_S(entityArray.GetString(i)));
+            if (nextVotingClass != none) {
+                voting[voting.length] = nextVotingClass;
+            }
+        }
+    }
+    _.memory.Free(entityArray);
+
+    commandWith.length = 0;
+    entityArray = source.GetArrayList(P("commandsWithConfig"));
+    if (entityArray != none) {
+        for (i = 0; i < entityArray.GetLength(); i += 1) {
+            innerPair = entityArray.GetHashTable(i);
+            if (innerPair == none) {
+                continue;
+            }
+            nextCommandPair.cmd =
+                class<Command>(_.memory.LoadClass_S(innerPair.GetString(P("command"))));
+            nextCommandPair.config = innerPair.GetString(P("config"));
+            _.memory.Free(innerPair);
+            if (nextCommandPair.cmd != none) {
+                commandWith[commandWith.length] = nextCommandPair;
+            }
+        }
+    }
+    _.memory.Free(entityArray);
+
+    votingWith.length = 0;
+    entityArray = source.GetArrayList(P("votingsWithConfig"));
+    if (entityArray != none) {
+        for (i = 0; i < entityArray.GetLength(); i += 1) {
+            innerPair = entityArray.GetHashTable(i);
+            if (innerPair == none) {
+                continue;
+            }
+            nextVotingPair.vtn =
+                class<Voting>(_.memory.LoadClass_S(innerPair.GetString(P("voting"))));
+            nextVotingPair.config = innerPair.GetString(P("config"));
+            _.memory.Free(innerPair);
+            if (nextVotingPair.vtn != none) {
+                votingWith[votingWith.length] = nextVotingPair;
+            }
+        }
+    }
+    _.memory.Free(entityArray);
+}
+
+protected function DefaultIt() {
+    debugOnly = false;
+    command.length = 0;
+    commandWith.length = 0;
+    voting.length = 0;
+    votingWith.length = 0;
+    command[0] = class'ACommandHelp';
+    command[1] = class'ACommandVote';
+}
+
+defaultproperties {
+    configName = "AcediaCommands"
+    supportsDataConversion = true
+    debugOnly = false
+    command(0) = class'ACommandHelp'
+    command(1) = class'ACommandVote'
+}

sources/BaseAPI/API/Commands/CommandParser.uc

@@ -23,51 +23,60 @@ class CommandParser extends AcediaObject
     dependson(Command);
 
 
-//! Class specialized for parsing user input of the command's call into `Command.CallData` structure
+//! Class specialized for parsing user input of the command's call into
-//! with the information about all parsed arguments.
+//![ `Command.CallData`] structure with the information about all parsed
+//! arguments.
 //!
-//! `CommandParser` is not made to parse the whole input:
+//! [`CommandParser`] is not made to parse the whole input:
 //!
-//! * Command's name needs to be parsed and resolved as an alias before using this parser -
+//! * Command's name needs to be parsed and resolved as an alias before using
-//!     it won't do this hob for you;
+//!     this parser - it won't do this hob for you;
-//! * List of targeted players must also be parsed using `PlayersParser` - `CommandParser` won't do
+//! * List of targeted players must also be parsed using [`PlayersParser`] -
-//!     this for you;
+//!     [`CommandParser`] won't do this for you;
-//! * Optionally one can also decide on the referred subcommand and pass it into `ParseWith()`
+//! * Optionally one can also decide on the referred subcommand and pass it into
-//!     method. If subcommand's name is not passed - `CommandParser` will try to parse it itself.
+//!     [`ParseWith()`] method. If subcommand's name is not passed -
+//!     [`CommandParser`] will try to parse it itself.
 //!     This feature is used to add support for subcommand aliases.
 //!
-//! However, above steps are handled by `Commands_Feature` and one only needs to call that feature's
+//! However, above steps are handled by [`Commands_Feature`] and one only needs to
-//! `HandleInput()` methods to pass user input with command call line there.
+//! call that feature's [`HandleInput()`] methods to pass user input with command
+//! call line there.
 //!
 //! # Usage
 //!
-//! Allocate `CommandParser` and call `ParseWith()` method, providing it with:
+//! Allocate [`CommandParser`] and call [`ParseWith()`] method, providing it with:
 //!
-//! 1. `Parser`, filled with command call input;
+//! 1. [`Parser`], filled with command call input;
-//! 2. Command's data that describes subcommands, options and their parameters for the command,
+//! 2. Command's data that describes subcommands, options and their parameters
-//!     which call we are parsing;
+//!     for the command, which call we are parsing;
-//! 3. (Optionally) `EPlayer` reference to the player that initiated the command call;
+//! 3. (Optionally) [`EPlayer`] reference to the player that initiated
-//! 4. (Optionally) Subcommand to be used - this will prevent `CommandParser` from parsing
+//!     the command call;
-//!     subcommand name itself. Used for implementing aliases that refer to a particular subcommand.
+//! 4. (Optionally) Subcommand to be used - this will prevent [`CommandParser`]
+//!     from parsing subcommand name itself. Used for implementing aliases that
+//!     refer to a particular subcommand.
 //!
 //! # Implementation
 //!
-//! `CommandParser` stores both its state and command data, relevant to parsing, as its member
+//! [`CommandParser`] stores both its state and command data, relevant to parsing,
-//! variables during the whole parsing process, instead of passing that data around in every single
+//! as its member variables during the whole parsing process, instead of passing
-//! method.
+//! that data around in every single method.
 //!
-//! We will give a brief overview of how around 20 parsing methods below are interconnected.
+//! We will give a brief overview of how around 20 parsing methods below are
+//! interconnected.
 //!
-//! The only public method `ParseWith()` is used to start parsing and it uses `PickSubCommand()` to
+//! The only public method [`ParseWith()`] is used to start parsing and it uses
-//! first try and figure out what sub command is intended by user's input.
+//! [`PickSubCommand()`] to first try and figure out what sub command is
+//! intended by user's input.
 //!
-//! Main bulk of the work is done by `ParseParameterArrays()` method, for simplicity broken into two
+//! Main bulk of the work is done by [`ParseParameterArrays()`] method, for
-//! `ParseRequiredParameterArray()` and `ParseOptionalParameterArray()` methods that can parse
+//! simplicity broken into two [`ParseRequiredParameterArray()`] and
+//! [`ParseOptionalParameterArray()`] methods that can parse
 //! parameters for both command itself and it's options.
 //!
-//! They go through arrays of required and optional parameters, calling `ParseParameter()` for each
+//! They go through arrays of required and optional parameters, calling
-//! parameters, which in turn can make several calls of `ParseSingleValue()` to parse parameters'
+//! [`ParseParameter()`] for each parameters, which in turn can make several
-//! values: it is called once for single-valued parameters, but possibly several times for list
+//! calls of [`ParseSingleValue()`] to parse parameters' values: it is called
+//! once for single-valued parameters, but possibly several times for list
 //! parameters that can contain several values.
 //!
 //! So main parsing method looks something like:
@@ -80,22 +89,25 @@ class CommandParser extends AcediaObject
 //! }
 //! ```
 //!
-//! `ParseSingleValue()` is essentially that redirects it's method call to another, more specific,
+//! [`ParseSingleValue()`] is essentially that redirects it's method call to
-//! parsing method based on the parameter type.
+//! another, more specific, parsing method based on the parameter type.
 //!
 //! Finally, to allow users to specify options at any point in command, we call
-//! `TryParsingOptions()` at the beginning of every `ParseSingleValue()` (the only parameter that
+//! [`TryParsingOptions()`] at the beginning of every [`ParseSingleValue()`]
-//! has higher priority than options is `CPT_Remainder`), since option definition can appear at any
+//! (the only parameter that has higher priority than options is
-//! place between parameters. We also call `TryParsingOptions()` *after* we've parsed all command's
+//! [`CPT_Remainder`]), since option definition can appear at any place between
-//! parameters, since that case won't be detected by parsing them *before* every parameter.
+//! parameters. We also call `TryParsingOptions()` *after* we've parsed all
+//! command's parameters, since that case won't be detected by parsing them
+//! *before* every parameter.
 //!
-//! `TryParsingOptions()` itself simply tries to detect "-" and "--" prefixes (filtering out
+//! [`TryParsingOptions()`] itself simply tries to detect "-" and "--" prefixes
-//! negative numeric values) and then redirect the call to either of more specialized methods:
+//! (filtering out negative numeric values) and then redirect the call to either
-//! `ParseLongOption()` or `ParseShortOption()`, that can in turn make another
+//! of more specialized methods: [`ParseLongOption()`] or
-//! `ParseParameterArrays()` call, if specified option has parameters.
+//! [`ParseShortOption()`], that can in turn make another
+//! [`ParseParameterArrays()`] call, if specified option has parameters.
 //!
-//! NOTE: `ParseParameterArrays()` can only nest in itself once, since option declaration always
+//! NOTE: [`ParseParameterArrays()`] can only nest in itself once, since option
-//! interrupts previous option's parameter list.
+//! declaration always interrupts previous option's parameter list.
 //! Rest of the methods perform simple auxiliary functions.
 
 // Describes which parameters we are currently parsing, classifying them
@@ -107,7 +119,7 @@ class CommandParser extends AcediaObject
 // * Still parsing required *parameter* "integer list";
 // * But no more integers are *necessary* for successful parsing.
 //
-// Therefore we consider parameter "necessary" if the lack of it will\
+// Therefore we consider parameter "necessary" if the lack of it will
 // result in failed parsing and "extra" otherwise.
 enum ParsingTarget {
     //     We are in the process of parsing required parameters, that must all
@@ -123,31 +135,31 @@ enum ParsingTarget {
 };
 
 // Parser filled with user input.
-var private Parser                  commandParser;
+var private Parser commandParser;
 // Data for sub-command specified by both command we are parsing
 // and user's input; determined early during parsing.
-var private Command.SubCommand      pickedSubCommand;
+var private Command.SubCommand pickedSubCommand;
 // Options available for the command we are parsing.
-var private array<Command.Option>   availableOptions;
+var private array<Command.Option> availableOptions;
 // Result variable we are filling during the parsing process,
-// should be `none` outside of `self.ParseWith()` method call.
+// should be `none` outside of [`self.ParseWith()`] method call.
-var private Command.CallData        nextResult;
+var private Command.CallData nextResult;
 
 // Parser for player parameters, setup with a caller for current parsing
-var private PlayersParser           currentPlayersParser;
+var private PlayersParser currentPlayersParser;
-// Current `ParsingTarget`, see it's enum description for more details
+// Current [`ParsingTarget`], see it's enum description for more details
-var private ParsingTarget           currentTarget;
+var private ParsingTarget currentTarget;
 // `true` means we are parsing parameters for a command's option and
 // `false` means we are parsing command's own parameters
-var private bool                    currentTargetIsOption;
+var private bool currentTargetIsOption;
 // If we are parsing parameters for an option (`currentTargetIsOption == true`)
 // this variable will store that option's data.
-var private Command.Option          targetOption;
+var private Command.Option targetOption;
-// Last successful state of `commandParser`.
+// Last successful state of [`commandParser`].
-var Parser.ParserState              confirmedState;
+var Parser.ParserState confirmedState;
 // Options we have so far encountered during parsing, necessary since we want
 // to forbid specifying th same option more than once.
-var private array<Command.Option>   usedOptions;
+var private array<Command.Option> usedOptions;
 
 // Literals that can be used as boolean values
 var private array<string> booleanTrueEquivalents;
@@ -159,6 +171,61 @@ protected function Finalizer() {
     Reset();
 }
 
+/// Parses user's input given in [`parser`] using command's information given by
+/// [`commandData`].
+///
+/// Optionally, sub-command can be specified for the [`CommandParser`] to use
+/// via [`specifiedSubCommand`] argument.
+/// If this argument's value is `none` - it will be parsed from [`parser`]'s
+/// data instead.
+///
+/// Returns results of parsing, described by [`Command.CallData`].
+/// Returned object is guaranteed to be not `none`.
+public final function Command.CallData ParseWith(
+    Parser parser,
+    Command.Data commandData,
+    EPlayer callerPlayer,
+    optional BaseText specifiedSubCommand
+) {
+    local HashTable commandParameters;
+    // Temporary object to return `nextResult` while setting variable to `none`
+    local Command.CallData toReturn;
+
+    nextResult.parameters = _.collections.EmptyHashTable();
+    nextResult.options = _.collections.EmptyHashTable();
+    if (commandData.subCommands.length == 0) {
+        DeclareError(CET_NoSubCommands, none);
+        toReturn = nextResult;
+        Reset();
+        return toReturn;
+    }
+    if (parser == none || !parser.Ok()) {
+        DeclareError(CET_BadParser, none);
+        toReturn = nextResult;
+        Reset();
+        return toReturn;
+    }
+    commandParser = parser;
+    availableOptions = commandData.options;
+    currentPlayersParser =
+        PlayersParser(_.memory.Allocate(class'PlayersParser'));
+    currentPlayersParser.SetSelf(callerPlayer);
+    // (subcommand) (parameters, possibly with options) and nothing else!
+    PickSubCommand(commandData, specifiedSubCommand);
+    nextResult.subCommandName = pickedSubCommand.name.Copy();
+    commandParameters = ParseParameterArrays(pickedSubCommand.required, pickedSubCommand.optional);
+    AssertNoTrailingInput(); // make sure there is nothing else
+    if (commandParser.Ok()) {
+        nextResult.parameters = commandParameters;
+    } else {
+        _.memory.Free(commandParameters);
+    }
+    // Clean up
+    toReturn = nextResult;
+    Reset();
+    return toReturn;
+}
+
 // Zero important variables
 private final function Reset() {
     local Command.CallData blankCallData;
@@ -186,11 +253,11 @@ private final function DeclareError(Command.ErrorType type, optional BaseText ca
 
 // Assumes `commandParser != none`, is in successful state.
 //
-// Picks a sub command based on it's contents (parser's pointer must be before where subcommand's
+// Picks a sub command based on it's contents (parser's pointer must be before
-// name is specified).
+// where subcommand's name is specified).
 //
-// If `specifiedSubCommand` is not `none` - will always use that value instead of parsing it from
+// If [`specifiedSubCommand`] is not `none` - will always use that value instead
-// `commandParser`.
+// of parsing it from [`commandParser`].
 private final function PickSubCommand(Command.Data commandData, BaseText specifiedSubCommand) {
     local int i;
     local MutableText candidateSubCommandName;
@@ -224,64 +291,11 @@ private final function PickSubCommand(Command.Data commandData, BaseText specifi
         }
     }
     // We will only reach here if we did not match any sub commands,
-    // meaning that whatever consumed by `candidateSubCommandName` probably
+    // meaning that whatever consumed by[ `candidateSubCommandName`] probably
     // has a different meaning.
     commandParser.RestoreState(confirmedState);
 }
 
-/// Parses user's input given in [`parser`] using command's information given by [`commandData`].
-///
-/// Optionally, sub-command can be specified for the [`CommandParser`] to use via
-/// [`specifiedSubCommand`] argument.
-/// If this argument's value is `none` - it will be parsed from `parser`'s data instead.
-///
-/// Returns results of parsing, described by `Command.CallData`.
-/// Returned object is guaranteed to be not `none`.
-public final function Command.CallData ParseWith(
-    Parser parser,
-    Command.Data commandData,
-    EPlayer callerPlayer,
-    optional BaseText specifiedSubCommand
-) {
-    local HashTable commandParameters;
-    // Temporary object to return `nextResult` while setting variable to `none`
-    local Command.CallData toReturn;
-
-    nextResult.parameters = _.collections.EmptyHashTable();
-    nextResult.options = _.collections.EmptyHashTable();
-    if (commandData.subCommands.length == 0) {
-        DeclareError(CET_NoSubCommands, none);
-        toReturn = nextResult;
-        Reset();
-        return toReturn;
-    }
-    if (parser == none || !parser.Ok()) {
-        DeclareError(CET_BadParser, none);
-        toReturn = nextResult;
-        Reset();
-        return toReturn;
-    }
-    commandParser = parser;
-    availableOptions = commandData.options;
-    currentPlayersParser =
-        PlayersParser(_.memory.Allocate(class'PlayersParser'));
-    currentPlayersParser.SetSelf(callerPlayer);
-    // (subcommand) (parameters, possibly with options) and nothing else!
-    PickSubCommand(commandData, specifiedSubCommand);
-    nextResult.subCommandName = pickedSubCommand.name.Copy();
-    commandParameters = ParseParameterArrays(pickedSubCommand.required, pickedSubCommand.optional);
-    AssertNoTrailingInput(); // make sure there is nothing else
-    if (commandParser.Ok()) {
-        nextResult.parameters = commandParameters;
-    } else {
-        _.memory.Free(commandParameters);
-    }
-    // Clean up
-    toReturn = nextResult;
-    Reset();
-    return toReturn;
-}
-
 // Assumes `commandParser` is not `none`
 // Declares an error if `commandParser` still has any input left
 private final function AssertNoTrailingInput() {
@@ -296,7 +310,8 @@ private final function AssertNoTrailingInput() {
 }
 
 // Assumes `commandParser` is not `none`.
-// Parses given required and optional parameters along with any possible option declarations.
+// Parses given required and optional parameters along with any possible option
+// declarations.
 // Returns `HashTable` filled with (variable, parsed value) pairs.
 // Failure is equal to `commandParser` entering into a failed state.
 private final function HashTable ParseParameterArrays(
@@ -354,8 +369,8 @@ private final function ParseRequiredParameterArray(
 
 // Assumes `commandParser` and `parsedParameters` are not `none`.
 //
-// Parses given optional parameters along with any possible option declarations into given
+// Parses given optional parameters along with any possible option declarations
-// `parsedParameters` hash table.
+// into given `parsedParameters` hash table.
 private final function ParseOptionalParameterArray(
     HashTable parsedParameters,
     array<Command.Parameter> optionalParameters
@@ -384,10 +399,11 @@ private final function ParseOptionalParameterArray(
 
 // Assumes `commandParser` and `parsedParameters` are not `none`.
 //
-// Parses one given parameter along with any possible option declarations into given
+// Parses one given parameter along with any possible option declarations into
-// `parsedParameters` `HashTable`.
+// given `parsedParameters` `HashTable`.
 //
-// Returns `true` if we've successfully parsed given parameter without any errors.
+// Returns `true` if we've successfully parsed given parameter without any
+// errors.
 private final function bool ParseParameter(
     HashTable parsedParameters,
     Command.Parameter expectedParameter
@@ -423,10 +439,12 @@ private final function bool ParseParameter(
 
 // Assumes `commandParser` and `parsedParameters` are not `none`.
 //
-// Parses a single value for a given parameter (e.g. one integer for integer or integer list
+// Parses a single value for a given parameter (e.g. one integer for integer or
-// parameter types) along with any possible option declarations into given `parsedParameters`.
+// integer list parameter types) along with any possible option declarations
+// into given `parsedParameters`.
 //
-// Returns `true` if we've successfully parsed a single value without any errors.
+// Returns `true` if we've successfully parsed a single value without
+// any errors.
 private final function bool ParseSingleValue(
     HashTable parsedParameters,
     Command.Parameter expectedParameter
@@ -537,7 +555,8 @@ private final function bool ParseIntegerValue(
 }
 
 // Assumes `commandParser` and `parsedParameters` are not `none`.
-// Parses a single number (float) value into given `parsedParameters` hash table.
+// Parses a single number (float) value into given `parsedParameters`
+// hash table.
 private final function bool ParseNumberValue(
     HashTable parsedParameters,
     Command.Parameter expectedParameter
@@ -591,8 +610,8 @@ private final function bool ParseTextValue(
     return true;
 }
 
-// Resolves alias and returns it, along with the resolved value, if parameter was specified to be
+// Resolves alias and returns it, along with the resolved value, if parameter
-// auto-resolved.
+// was specified to be auto-resolved.
 // Returns `none` otherwise.
 private final function HashTable AutoResolveAlias(MutableText textValue, Text aliasSourceName) {
     local HashTable result;
@@ -628,8 +647,8 @@ private final function HashTable AutoResolveAlias(MutableText textValue, Text al
 
 // Assumes `commandParser` and `parsedParameters` are not `none`.
 //
-// Parses a single `Text` value into given `parsedParameters` hash table, consuming all remaining
+// Parses a single `Text` value into given `parsedParameters` hash table,
-// contents.
+// consuming all remaining contents.
 private final function bool ParseRemainderValue(
     HashTable parsedParameters,
     Command.Parameter expectedParameter
@@ -748,14 +767,15 @@ private final function RecordParameter(
 
 // Assumes `commandParser` is not `none`.
 //
-// Tries to parse an option declaration (along with all of it's parameters) with `commandParser`.
+// Tries to parse an option declaration (along with all of it's parameters) with
+// `commandParser`.
 //
 // Returns `true` on success and `false` otherwise.
 //
-// In case of failure to detect option declaration also reverts state of `commandParser` to that
+// In case of failure to detect option declaration also reverts state of
-// before `TryParsingOptions()` call.
+// `commandParser` to that before `TryParsingOptions()` call.
-// However, if option declaration was present, but invalid (or had invalid parameters) parser
+// However, if option declaration was present, but invalid (or had invalid
-// will be left in a failed state.
+// parameters) parser will be left in a failed state.
 private final function bool TryParsingOptions() {
     local int temporaryInt;
 
@@ -795,12 +815,12 @@ private final function bool TryParsingOptions() {
 
 // Assumes `commandParser` is not `none`.
 //
-// Tries to parse a long option name along with all of it's possible parameters with
+// Tries to parse a long option name along with all of it's possible parameters
-// `commandParser`.
+// with `commandParser`.
 //
-// Returns `true` on success and `false` otherwise. At the point this method is called, option
+// Returns `true` on success and `false` otherwise. At the point this method is
-// declaration is already assumed to be detected and any failure implies parsing error
+// called, option declaration is already assumed to be detected and any failure
-// (ending in failed `Command.CallData`).
+// implies parsing error (ending in failed `Command.CallData`).
 private final function bool ParseLongOption() {
     local int i, optionIndex;
     local MutableText optionName;
@@ -832,17 +852,16 @@ private final function bool ParseLongOption() {
 
 // Assumes `commandParser` and `nextResult` are not `none`.
 //
-// Tries to parse a short option name along with all of it's possible parameters with
+// Tries to parse a short option name along with all of it's possible parameters
-// `commandParser`.
+// with `commandParser`.
 //
 // Returns `true` on success and `false` otherwise. At the point this
 // method is called, option declaration is already assumed to be detected
 // and any failure implies parsing error (ending in failed `Command.CallData`).
-private final function bool ParseShortOption()
+private final function bool ParseShortOption() {
-{
+    local int i;
-    local int           i;
+    local bool pickedOptionWithParameters;
-    local bool          pickedOptionWithParameters;
+    local MutableText optionsList;
-    local MutableText   optionsList;
 
     commandParser.MUntil(optionsList,, true);
     if (!commandParser.Ok()) {
@@ -864,24 +883,28 @@ private final function bool ParseShortOption()
 
 // Assumes `commandParser` and `nextResult` are not `none`.
 //
-// Auxiliary method that adds option by it's short version's character `optionCharacter`.
+// Auxiliary method that adds option by it's short version's character
+// `optionCharacter`.
 //
-// It also accepts `optionSourceList` that describes short option expression (e.g. "-rtV") from
+// It also accepts `optionSourceList` that describes short option expression
-// which it originated for error reporting and `forbidOptionWithParameters` that, when set to
+// (e.g. "-rtV") from
-// `true`, forces this method to cause the `CET_MultipleOptionsWithParams` error if new option has
+// which it originated for error reporting and `forbidOptionWithParameters`
-// non-empty parameters.
+// that, when set to `true`, forces this method to cause the
+// `CET_MultipleOptionsWithParams` error if new option has non-empty parameters.
 //
-// Method returns `true` if added option had non-empty parameters and `false` otherwise.
+// Method returns `true` if added option had non-empty parameters and `false`
+// otherwise.
 //
-// Any parsing failure inside this method always causes `nextError.DeclareError()` call, so you
+// Any parsing failure inside this method always causes
-// can use `nextResult.IsSuccessful()` to check if method has failed.
+// `nextError.DeclareError()` call, so you can use `nextResult.IsSuccessful()`
+// to check if method has failed.
 private final function bool AddOptionByCharacter(
     BaseText.Character optionCharacter,
     BaseText optionSourceList,
     bool forbidOptionWithParameters
 ) {
-    local int   i;
+    local int i;
-    local bool  optionHasParameters;
+    local bool optionHasParameters;
 
     // Prevent same option appearing twice
     for (i = 0; i < usedOptions.length; i += 1) {
@@ -915,7 +938,8 @@ private final function bool AddOptionByCharacter(
 }
 
 // Auxiliary method for parsing option's parameters (including empty ones).
-// Automatically fills `nextResult` with parsed parameters (or `none` if option has no parameters).
+// Automatically fills `nextResult` with parsed parameters (or `none` if option
+// has no parameters).
 // Assumes `commandParser` and `nextResult` are not `none`.
 private final function bool ParseOptionParameters(Command.Option pickedOption) {
     local HashTable optionParameters;
@@ -946,13 +970,13 @@ private final function bool ParseOptionParameters(Command.Option pickedOption) {
 }
 
 defaultproperties {
-    booleanTrueEquivalents(0)   = "true"
+    booleanTrueEquivalents(0) = "true"
-    booleanTrueEquivalents(1)   = "enable"
+    booleanTrueEquivalents(1) = "enable"
-    booleanTrueEquivalents(2)   = "on"
+    booleanTrueEquivalents(2) = "on"
-    booleanTrueEquivalents(3)   = "yes"
+    booleanTrueEquivalents(3) = "yes"
-    booleanFalseEquivalents(0)  = "false"
+    booleanFalseEquivalents(0) = "false"
-    booleanFalseEquivalents(1)  = "disable"
+    booleanFalseEquivalents(1) = "disable"
-    booleanFalseEquivalents(2)  = "off"
+    booleanFalseEquivalents(2) = "off"
-    booleanFalseEquivalents(3)  = "no"
+    booleanFalseEquivalents(3) = "no"
     errNoSubCommands = (l=LOG_Error,m="`GetSubCommand()` method was called on a command `%1` with zero defined sub-commands.")
 }

sources/BaseAPI/API/Commands/CommandPermissions.uc

@@ -0,0 +1,66 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class CommandPermissions extends AcediaConfig
+    perobjectconfig
+    config(AcediaCommands)
+    abstract;
+
+var public config array<string> forbiddenSubCommands;
+
+protected function HashTable ToData() {
+    local int i;
+    local HashTable data;
+    local ArrayList forbiddenList;
+
+    data = _.collections.EmptyHashTable();
+    forbiddenList = _.collections.EmptyArrayList();
+    for (i = 0; i < forbiddenSubCommands.length; i += 1) {
+        forbiddenList.AddString(Locs(forbiddenSubCommands[i]));
+    }
+    data.SetItem(P("forbiddenSubCommands"), forbiddenList);
+    _.memory.Free(forbiddenList);
+    return data;
+}
+
+protected function FromData(HashTable source) {
+    local int i;
+    local ArrayList forbiddenList;
+
+    if (source == none)         return;
+    forbiddenList = source.GetArrayList(P("forbiddenSubCommands"));
+    if (forbiddenList == none)  return;
+
+    forbiddenSubCommands.length = 0;
+    for (i = 0; i < forbiddenList.GetLength(); i += 1) {
+        forbiddenSubCommands[i] = forbiddenList.GetString(i);
+    }
+    _.memory.Free(forbiddenList);
+}
+
+protected function DefaultIt() {
+    forbiddenSubCommands.length = 0;
+}
+
+defaultproperties {
+    configName = "AcediaCommands"
+    supportsDataConversion = true
+}

sources/BaseAPI/API/Commands/CommandRegistrationJob.uc

@@ -19,36 +19,63 @@
  * You should have received a copy of the GNU General Public License
  * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
  */
-class CommandRegistrationJob extends SchedulerJob;
+class CommandRegistrationJob extends SchedulerJob
+    dependson(CommandAPI);
 
-var private class<Command> nextCommand;
+var private CommandAPI.AsyncTask nextItem;
+
+// Expecting 300 units of work, this gives us registering 20 commands per tick
+const ADDING_COMMAND_COST = 15;
+// Adding voting option is approximately the same as adding a command's
+// single sub-command - we'll estimate it as 1/3rd of the full value
+const ADDING_VOTING_COST = 5;
+// Authorizing is relatively cheap, whether it's commands or voting
+const AUTHORIZING_COST = 1;
 
 protected function Constructor() {
-    nextCommand = _.commands._popPending();
+    nextItem = _.commands._popPending();
 }
 
 protected function Finalizer() {
-    nextCommand = none;
+    _.memory.Free3(nextItem.entityName, nextItem.userGroup, nextItem.configName);
+    nextItem.entityClass = none;
+    nextItem.entityName = none;
+    nextItem.userGroup = none;
+    nextItem.configName = none;
 }
 
 public function bool IsCompleted() {
-    return (nextCommand == none);
+    return (nextItem.entityName == none);
 }
 
 public function DoWork(int allottedWorkUnits) {
-    local int i, iterationsAmount;
+    while (allottedWorkUnits > 0 && nextItem.entityName != none) {
-
+        if (nextItem.type == CAJT_AddCommand) {
-    // Expected 300 units per tick, to register 20 commands per tick use about 10
+            allottedWorkUnits -= ADDING_COMMAND_COST;
-    iterationsAmount = Max(allottedWorkUnits / 10, 1);
+            _.commands.AddCommand(class<Command>(nextItem.entityClass), nextItem.entityName);
-    for (i = 0; i < iterationsAmount; i += 1) {
+            _.memory.Free(nextItem.entityName);
-        _.commands.RegisterCommand(nextCommand);
+        } else if (nextItem.type == CAJT_AddVoting) {
-        nextCommand = _.commands._popPending();
+            allottedWorkUnits -= ADDING_VOTING_COST;
-        if (nextCommand == none) {
+            _.commands.AddVoting(class<Voting>(nextItem.entityClass), nextItem.entityName);
-            break;
+            _.memory.Free(nextItem.entityName);
+        } else if (nextItem.type == CAJT_AuthorizeCommand) {
+            allottedWorkUnits -= AUTHORIZING_COST; 
+            _.commands.AuthorizeCommandUsage(
+                nextItem.entityName,
+                nextItem.userGroup,
+                nextItem.configName);
+            _.memory.Free3(nextItem.entityName, nextItem.userGroup, nextItem.configName);
+        } else /*if (nextItem.type == CAJT_AuthorizeVoting)*/ {
+            allottedWorkUnits -= AUTHORIZING_COST; 
+            _.commands.AuthorizeVotingUsage(
+                nextItem.entityName,
+                nextItem.userGroup,
+                nextItem.configName);
+            _.memory.Free3(nextItem.entityName, nextItem.userGroup, nextItem.configName);
         }
+        nextItem = _.commands._popPending();
     }
 }
 
-defaultproperties
+defaultproperties {
-{
 }

sources/BaseAPI/API/Commands/Commands.uc

@@ -21,40 +21,210 @@
  */
 class Commands extends FeatureConfig
     perobjectconfig
-    config(AcediaSystem);
+    config(AcediaCommands);
 
-var public config bool useChatInput;
+/// Auxiliary struct for describing adding a particular command set to
+/// a particular group of users.
+struct CommandSetGroupPair {
+    /// Name of the command set to add
+    var public string name;
+    /// Name of the group, for which to add this set
+    var public string for;
+};
+
+/// Auxiliary struct for describing a rule to rename a particular command for
+/// compatibility reasons.
+struct RenamingRulePair {
+    /// Command class to rename
+    var public class<AcediaObject> rename;
+    /// Name to use for that class
+    var public string to;
+};
+
+/// Setting this to `true` enables players to input commands with "mutate"
+/// console command.
+/// Default is `true`.
 var public config bool useMutateInput;
+/// Setting this to `true` enables players to input commands right in the chat
+/// by prepending them with [`chatCommandPrefix`].
+/// Default is `true`.
+var public config bool useChatInput;
+/// Chat messages, prepended by this prefix will be treated as commands.
+/// Default is "!". Empty values are also treated as "!".
 var public config string chatCommandPrefix;
+/// Allows to specify which user groups are used in determining command/votings
+/// permission.
+/// They must be specified in the order of importance: from the group with
+/// highest level of permissions to the lowest. When determining player's
+/// permission to use a certain command/voting, his group with the highest
+/// available permissions will be used.
+var public config array<string> commandGroup;
+/// Add a specified `CommandList` to the specified user group
+var public config array<CommandSetGroupPair> addCommandList;
+/// Allows to specify a name for a certain command class
+///
+/// NOTE:By default command choses that name by itself and its not recommended
+/// to override it. You should only use this setting in case there is naming
+/// conflict between commands from different packages.
+var public config array<RenamingRulePair> renamingRule;
+/// Allows to specify a name for a certain voting class
+///
+/// NOTE:By default voting choses that name by itself and its not recommended
+/// to override it. You should only use this setting in case there is naming
+/// conflict between votings from different packages.
+var public config array<RenamingRulePair> votingRenamingRule;
 
 protected function HashTable ToData() {
+    local int i;
     local HashTable data;
+    local ArrayList innerList;
+    local HashTable innerPair;
 
     data = __().collections.EmptyHashTable();
     data.SetBool(P("useChatInput"), useChatInput, true);
     data.SetBool(P("useMutateInput"), useMutateInput, true);
     data.SetString(P("chatCommandPrefix"), chatCommandPrefix);
+
+    // Serialize `commandGroup`
+    innerList = _.collections.EmptyArrayList();
+    for (i = 0; i < commandGroup.length; i += 1) {
+        innerList.AddString(commandGroup[i]);
+    }
+    data.SetItem(P("commandGroups"), innerList);
+    _.memory.Free(innerList);
+
+    // Serialize `addCommandSet`
+    innerList = _.collections.EmptyArrayList();
+    for (i = 0; i < addCommandList.length; i += 1) {
+        innerPair = _.collections.EmptyHashTable();
+        innerPair.SetString(P("name"), addCommandList[i].name);
+        innerPair.SetString(P("for"), addCommandList[i].for);
+        innerList.AddItem(innerPair);
+        _.memory.Free(innerPair);
+    }
+    data.SetItem(P("commandSets"), innerList);
+    _.memory.Free(innerList);
+
+    // Serialize `renamingRule`
+    innerList = _.collections.EmptyArrayList();
+    for (i = 0; i < renamingRule.length; i += 1) {
+        innerPair = _.collections.EmptyHashTable();
+        innerPair.SetString(P("rename"), string(renamingRule[i].rename));
+        innerPair.SetString(P("to"), renamingRule[i].to);
+        innerList.AddItem(innerPair);
+        _.memory.Free(innerPair);
+    }
+    data.SetItem(P("renamingRules"), innerList);
+    _.memory.Free(innerList);
+
+    // Serialize `votingRenamingRule`
+    innerList = _.collections.EmptyArrayList();
+    for (i = 0; i < votingRenamingRule.length; i += 1) {
+        innerPair = _.collections.EmptyHashTable();
+        innerPair.SetString(P("rename"), string(votingRenamingRule[i].rename));
+        innerPair.SetString(P("to"), votingRenamingRule[i].to);
+        innerList.AddItem(innerPair);
+        _.memory.Free(innerPair);
+    }
+    data.SetItem(P("votingRenamingRules"), innerList);
+    _.memory.Free(innerList);
     return data;
 }
 
 protected function FromData(HashTable source) {
+    local int i;
+    local ArrayList innerList;
+    local HashTable innerPair;
+    local CommandSetGroupPair nextCommandSetGroupPair;
+    local RenamingRulePair nextRenamingRule;
+    local class<AcediaObject> nextClass;
+
     if (source == none) {
         return;
     }
     useChatInput = source.GetBool(P("useChatInput"));
     useMutateInput = source.GetBool(P("useMutateInput"));
     chatCommandPrefix = source.GetString(P("chatCommandPrefix"), "!");
+
+    // De-serialize `commandGroup`
+    commandGroup.length = 0;
+    innerList = source.GetArrayList(P("commandGroups"));
+    if (innerList != none) {
+        for (i = 0; i < commandGroup.length; i += 1) {
+            commandGroup[i] = innerList.GetString(i);
+        }
+        _.memory.Free(innerList);
+    }
+
+    // De-serialize `addCommandSet`
+    addCommandList.length = 0;
+    innerList = source.GetArrayList(P("commandSets"));
+    if (innerList != none) {
+        for (i = 0; i < addCommandList.length; i += 1) {
+            innerPair = innerList.GetHashTable(i);
+            if (innerPair != none) {
+                nextCommandSetGroupPair.name = innerPair.GetString(P("name"));
+                nextCommandSetGroupPair.for = innerPair.GetString(P("for"));
+                addCommandList[addCommandList.length] = nextCommandSetGroupPair;
+                _.memory.Free(innerPair);
+            }
+        }
+        _.memory.Free(innerList);
+    }
+
+    // De-serialize `renamingRule`
+    renamingRule.length = 0;
+    innerList = source.GetArrayList(P("renamingRules"));
+    if (innerList != none) {
+        for (i = 0; i < renamingRule.length; i += 1) {
+            innerPair = innerList.GetHashTable(i);
+            if (innerPair != none) {
+                nextClass =
+                    class<AcediaObject>(_.memory.LoadClass_S(innerPair.GetString(P("rename"))));
+                nextRenamingRule.rename = nextClass;
+                nextRenamingRule.to = innerPair.GetString(P("to"));
+                renamingRule[renamingRule.length] = nextRenamingRule;
+                _.memory.Free(innerPair);
+            }
+        }
+        _.memory.Free(innerList);
+    }
+
+    // De-serialize `votingRenamingRule`
+    votingRenamingRule.length = 0;
+    innerList = source.GetArrayList(P("votingRenamingRules"));
+    if (innerList != none) {
+        for (i = 0; i < votingRenamingRule.length; i += 1) {
+            innerPair = innerList.GetHashTable(i);
+            if (innerPair != none) {
+                nextClass =
+                    class<AcediaObject>(_.memory.LoadClass_S(innerPair.GetString(P("rename"))));
+                nextRenamingRule.rename = nextClass;
+                nextRenamingRule.to = innerPair.GetString(P("to"));
+                votingRenamingRule[votingRenamingRule.length] = nextRenamingRule;
+                _.memory.Free(innerPair);
+            }
+        }
+        _.memory.Free(innerList);
+    }
 }
 
 protected function DefaultIt() {
+    local CommandSetGroupPair defaultPair;
+
     useChatInput = true;
     useMutateInput = true;
     chatCommandPrefix = "!";
+    commandGroup[0] = "admin";
+    commandGroup[1] = "moderator";
+    commandGroup[2] = "trusted";
+    addCommandList.length = 0;
+    defaultPair.name = "default";
+    defaultPair.for = "all";
+    addCommandList[0] = defaultPair;
+    renamingRule.length = 0;
 }
 
 defaultproperties {
-    configName = "AcediaSystem"
+    configName = "AcediaCommands"
-    useChatInput = true
-    useMutateInput = true
-    chatCommandPrefix = "!"
 }

sources/BaseAPI/API/Commands/Commands_Feature.uc

@@ -19,7 +19,9 @@
  * You should have received a copy of the GNU General Public License
  * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
  */
-class Commands_Feature extends Feature;
+class Commands_Feature extends Feature
+    dependson(CommandAPI)
+    dependson(Commands);
 
 //! This feature manages commands that automatically parse their arguments into standard Acedia
 //! collections.
@@ -38,83 +40,81 @@ class Commands_Feature extends Feature;
 //!     Emergency enabling this feature sets `emergencyEnabledMutate` flag that
 //! enforces connecting to the "mutate" input.
 
-/// Pairs [`Voting`] class with a name its registered under in lower case for quick search.
+/// Auxiliary struct for passing name of the command to call with pre-specified
-struct NamedVoting {
-    var public class<Voting> processClass;
-    /// Must be guaranteed to not be `none` and lower case as an invariant
-    var public Text processName;
-};
-
-/// Auxiliary struct for passing name of the command to call plus, optionally, additional
 /// sub-command name.
 ///
-/// Normally sub-command name is parsed by the command itself, however command aliases can try to
+/// Normally sub-command name is parsed by the command itself, however command
-/// enforce one.
+/// aliases can try to enforce one.
 struct CommandCallPair {
     var MutableText commandName;
-    /// In case it is enforced by an alias
+    /// Not `none` in case it is enforced by an alias
     var MutableText subCommandName;
 };
 
-/// Describes possible outcomes of starting a voting by its name
+/// Auxiliary struct that stores all the information needed to load
-enum StartVotingResult {
+/// a certain command
-    /// Voting was successfully started
+struct EntityLoadInfo {
-    SVR_Success,
+    /// Command class to load.
-    /// Voting wasn't started because another one was still in progress
+    var public class<AcediaObject> entityClass;
-    SVR_AlreadyInProgress,
+    /// Name to load that command class under.
-    /// Voting wasn't started because voting with that name hasn't been registered
+    var public Text name;
-    SVR_UnknownVoting
+    /// Groups that are authorized to use that command.
+    var public array<Text> authorizedGroups;
+    /// Groups that are authorized to use that command.
+    var public array<Text> groupsConfig;
+};
+
+/// Auxiliary struct for describing adding a particular command set to
+/// a particular group of users.
+struct CommandListGroupPair {
+    /// Name of the command set to add
+    var public Text commandListName;
+    /// Name of the group, for which to add this set
+    var public Text permissionGroup;
+};
+
+/// Auxiliary struct for describing a rule to rename a particular command for
+/// compatibility reasons.
+struct RenamingRulePair {
+    /// Command class to rename 
+    var public class<AcediaObject> class;
+    /// Name to use for that class
+    var public Text newName;
 };
 
+/// Tools that provide functionality of managing registered commands and votings
+var private CommandAPI.CommandFeatureTools tools;
+
 /// Delimiters that always separate command name from it's parameters
 var private array<Text> commandDelimiters;
-/// Registered commands, recorded as (<command_name>, <command_instance>) pairs.
+
-/// Keys should be deallocated when their entry is removed.
+/// When this flag is set to true, mutate input becomes available despite
-var private HashTable registeredCommands;
+/// [`useMutateInput`] flag to allow to unlock server in case of an error
-/// [`HashTable`] of "<command_group_name>" <-> [`ArrayList`] of commands pairs to allow quick fetch
-/// of commands belonging to a single group
-var private HashTable groupedCommands;
-
-/// [`Voting`]s that were already successfully loaded, ensuring that each has a unique name
-var private array<NamedVoting> loadedVotings;
-
-/// Currently running voting process.
-/// This feature doesn't actively track when voting ends, so reference can be non-`none` even if
-/// voting has already ended.
-var private Voting currentVoting;
-/// An array of [`Voting`] objects that have been successfully loaded and
-/// each object has a unique name.
-var private array<NamedVoting> registeredVotings;
-
-/// When this flag is set to true, mutate input becomes available despite [`useMutateInput`] flag to
-/// allow to unlock server in case of an error
 var private bool emergencyEnabledMutate;
 
-/// Setting this to `true` enables players to input commands right in the chat by prepending them
-/// with [`chatCommandPrefix`].
-/// Default is `true`.
 var private /*config*/ bool useChatInput;
-/// Setting this to `true` enables players to input commands with "mutate" console command.
-/// Default is `true`.
 var private /*config*/ bool useMutateInput;
-/// Chat messages, prepended by this prefix will be treated as commands.
-/// Default is "!". Empty values are also treated as "!".
 var private /*config*/ Text chatCommandPrefix;
-
+var public /*config*/ array<string> commandGroup;
-var LoggerAPI.Definition errCommandDuplicate, errServerAPIUnavailable;
+var public /*config*/ array<Commands.CommandSetGroupPair> addCommandSet;
-var LoggerAPI.Definition errVotingWithSameNameAlreadyRegistered, errYesNoVotingNamesReserved;
+var public /*config*/ array<Commands.RenamingRulePair> renamingRule;
+var public /*config*/ array<Commands.RenamingRulePair> votingRenamingRule;
+
+// Converted version of `commandGroup`
+var private array<Text> permissionGroupOrder;
+/// Converted version of `addCommandSet`
+var private array<CommandListGroupPair> usedCommandLists;
+/// Converted version of `renamingRule` and `votingRenamingRule`
+var private array<RenamingRulePair> commandRenamingRules;
+var private array<RenamingRulePair> votingRenamingRules;
+// Name, under which `ACommandHelp` is registered
+var private Text helpCommandName;
+
+var LoggerAPI.Definition errServerAPIUnavailable, warnDuplicateRenaming, warnNoCommandList;
+var LoggerAPI.Definition infoCommandAdded, infoVotingAdded;
 
 protected function OnEnabled() {
-    registeredCommands = _.collections.EmptyHashTable();
+    helpCommandName = P("help");
-    groupedCommands = _.collections.EmptyHashTable();
-    RegisterCommand(class'ACommandHelp');
-    RegisterCommand(class'ACommandNotify');
-    RegisterCommand(class'ACommandVote');
-    RegisterCommand(class'ACommandSideEffects');
-    if (_.environment.IsDebugging()) {
-        RegisterCommand(class'ACommandFakers');
-    }
-    RegisterVotingClass(class'Voting');
     // Macro selector
     commandDelimiters[0] = _.text.FromString("@");
     // Key selector
@@ -137,6 +137,16 @@ protected function OnEnabled() {
             _.logger.Auto(errServerAPIUnavailable);
         }
     }
+    LoadConfigArrays();
+    // `SetPermissionGroupOrder()` must be called *after* loading configs
+    tools.commands = CommandsTool(_.memory.Allocate(class'CommandsTool'));
+    tools.votings = VotingsTool(_.memory.Allocate(class'VotingsTool'));
+    tools.commands.SetPermissionGroupOrder(permissionGroupOrder);
+    tools.votings.SetPermissionGroupOrder(permissionGroupOrder);
+    _.commands._reloadFeature();
+    // Uses `CommandAPI`, so must be done after `_reloadFeature()` call
+    LoadCommands();
+    LoadVotings();
 }
 
 protected function OnDisabled() {
@@ -146,18 +156,27 @@ protected function OnDisabled() {
     if (useMutateInput && __server() != none) {
         __server().unreal.mutator.OnMutate(self).Disconnect();
     }
+
     useChatInput = false;
     useMutateInput = false;
-    _.memory.Free3(registeredCommands, groupedCommands, chatCommandPrefix);
+    _.memory.Free3(tools.commands, tools.votings, chatCommandPrefix);
-    registeredCommands = none;
+    tools.commands = none;
-    groupedCommands = none;
+    tools.votings = none;
     chatCommandPrefix = none;
+
+    _.memory.FreeMany(commandDelimiters);
     commandDelimiters.length = 0;
-    ReleaseNameVotingsArray(/*out*/ registeredVotings);
+
+    _.memory.FreeMany(permissionGroupOrder);
+    permissionGroupOrder.length = 0;
+
+    FreeUsedCommandSets();
+    FreeRenamingRules();
+
+    _.commands._reloadFeature();
 }
 
-protected function SwapConfig(FeatureConfig config)
+protected function SwapConfig(FeatureConfig config) {
-{
     local Commands newConfig;
 
     newConfig = Commands(config);
@@ -168,10 +187,14 @@ protected function SwapConfig(FeatureConfig config)
     chatCommandPrefix = _.text.FromString(newConfig.chatCommandPrefix);
     useChatInput = newConfig.useChatInput;
     useMutateInput = newConfig.useMutateInput;
+    commandGroup = newConfig.commandGroup;
+    addCommandSet = newConfig.addCommandList;
+    renamingRule = newConfig.renamingRule;
+    votingRenamingRule = newConfig.votingRenamingRule;
 }
 
-/// This method allows to forcefully enable `Command_Feature` along with "mutate" input in case
+/// This method allows to forcefully enable `Command_Feature` along with
-/// something goes wrong.
+/// "mutate" input in case something goes wrong.
 ///
 /// `Command_Feature` is a critical command to have running on your server and,
 /// if disabled by accident, there will be no way of starting it again without
@@ -188,7 +211,7 @@ public final static function EmergencyEnable() {
     }
     feature = Commands_Feature(GetEnabledInstance());
     noWayToInputCommands = !feature.emergencyEnabledMutate
-        &&!feature.IsUsingMutateInput()
+        && !feature.IsUsingMutateInput()
         && !feature.IsUsingChatInput();
     if (noWayToInputCommands) {
         default.emergencyEnabledMutate = true;
@@ -229,7 +252,8 @@ public final static function bool IsUsingMutateInput() {
     return false;
 }
 
-/// Returns prefix that will indicate that chat message is intended to be a command. By default "!".
+/// Returns prefix that will indicate that chat message is intended to be
+/// a command. By default "!".
 ///
 /// If `Commands_Feature` is disabled, always returns `none`.
 public final static function Text GetChatPrefix() {
@@ -242,309 +266,34 @@ public final static function Text GetChatPrefix() {
     return none;
 }
 
-/// Returns `true` iff some voting is currently active.
+/// Returns name, under which [`ACommandHelp`] is registered.
-public final function bool IsVotingRunning() {
-    if (currentVoting != none && currentVoting.HasEnded()) {
-        _.memory.Free(currentVoting);
-        currentVoting = none;
-    }
-    return (currentVoting != none);
-}
-
-/// Returns instance of the active voting.
-///
-/// `none` iff no voting is currently active.
-public final function Voting GetCurrentVoting() {
-    if (currentVoting != none && currentVoting.HasEnded()) {
-        _.memory.Free(currentVoting);
-        currentVoting = none;
-    }
-    if (currentVoting != none) {
-        currentVoting.NewRef();
-    }
-    return currentVoting;
-}
-
-/// `true` if voting under the given name (case-insensitive) is already registered.
-public final function bool IsVotingRegistered(BaseText processName) {
-    local int i;
-
-    for (i = 0; i < registeredVotings.length; i += 1) {
-        if (processName.Compare(registeredVotings[i].processName, SCASE_INSENSITIVE)) {
-            return true;
-        }
-    }
-    return false;
-}
-
-/// Returns class of the [`Voting`] registered under given name.
-public final function StartVotingResult StartVoting(BaseText processName) {
-    local int i;
-    local Text votingSettingsName;
-    local class<Voting> processClass;
-
-    if (currentVoting != none && currentVoting.HasEnded()) {
-        _.memory.Free(currentVoting);
-        currentVoting = none;
-    }
-    if (currentVoting != none) {
-        return SVR_AlreadyInProgress;
-    }
-    for (i = 0; i < registeredVotings.length; i += 1) {
-        if (processName.Compare(registeredVotings[i].processName, SCASE_INSENSITIVE)) {
-            processClass = registeredVotings[i].processClass;
-        }
-    }
-    if (processClass == none) {
-        return SVR_UnknownVoting;
-    }
-    currentVoting = Voting(_.memory.Allocate(processClass));
-    currentVoting.Start(votingSettingsName);
-    return SVR_Success;
-}
-
-/// Registers a new voting class to be accessible through the [`Commands_Feature`].
-///
-/// When a voting class is registered, players can access it using the standard AcediaCore's "vote"
-/// command.
-/// However, note that registering a voting class is not mandatory for it to be usable.
-/// In fact, if you want to prevent players from initiating a particular voting, you should avoid
-/// registering it in this feature.
-public final function RegisterVotingClass(class<Voting> newVotingClass) {
-    local int i;
-    local ACommandVote votingCommand;
-    local NamedVoting newRecord;
-    local Text votingName;
-
-    if (newVotingClass == none)         return;
-    votingCommand = GetVotingCommand();
-    if (votingCommand == none)          return;
-    // We can freely release this reference here, since another reference is guaranteed to be kept in registered command
-    _.memory.Free(votingCommand);
-    // But just to make sure
-    if (!votingCommand.IsAllocated())   return;
-
-    // First we check whether we already added this class
-    for (i = 0; i < registeredVotings.length; i += 1) {
-        if (registeredVotings[i].processClass == newVotingClass) {
-            return;
-        }
-    }
-    votingName = newVotingClass.static.GetPreferredName();
-    if (votingName.Compare(P("yes")) || votingName.Compare(P("no"))) {
-        _.logger.Auto(errYesNoVotingNamesReserved).ArgClass(newVotingClass).Arg(votingName);
-        return;
-    }
-    // Check for duplicates
-    for (i = 0; i < registeredVotings.length; i += 1) {
-        if (registeredVotings[i].processName.Compare(votingName)) {
-            _.logger
-                .Auto(errVotingWithSameNameAlreadyRegistered)
-                .ArgClass(newVotingClass)
-                .Arg(votingName)
-                .ArgClass(registeredVotings[i].processClass);
-            return;
-        }
-    }
-    newRecord.processClass = newVotingClass;
-    newRecord.processName = votingName;
-    registeredVotings[registeredVotings.length] = newRecord;
-    votingCommand.AddVotingInfo(votingName, newVotingClass);
-}
-
-/// Unregisters a voting class from the [`Commands_Feature`], preventing players from accessing it
-/// through the standard AcediaCore "vote" command.
-///
-/// This method does not stop any existing voting processes associated with the unregistered class.
-///
-/// Use this method to remove a voting class that is no longer needed or to prevent players from
-/// initiating a particular voting. Note that removing a voting class is a linear operation that may
-/// take some time if many votings are currently registered. It is not expected to be a common
-/// operation and should be used sparingly.
-public final function RemoveVotingClass(class<Voting> newVotingClass) {
-    local int i;
-    local ACommandVote votingCommand;
-
-    if (newVotingClass == none) {
-        return;
-    }
-    for (i = 0; i < registeredVotings.length; i += 1) {
-        if (registeredVotings[i].processClass == newVotingClass) {
-            _.memory.Free(registeredVotings[i].processName);
-            registeredVotings.Remove(i, 1);
-        }
-    }
-    votingCommand = GetVotingCommand();
-    if (votingCommand == none) {
-        return;
-    }
-    // Simply rebuild the whole voting set from scratch
-    votingCommand.ResetVotingInfo();
-    for (i = 0; i < registeredVotings.length; i += 1) {
-        votingCommand.AddVotingInfo(
-            registeredVotings[i].processName,
-            registeredVotings[i].processClass);
-    }
-    _.memory.Free(votingCommand);
-}
-
-/// Registers given command class, making it available.
-///
-/// # Errors
-///
-/// Returns `true` if command was successfully registered and `false` otherwise`.
-///
-/// If `commandClass` provides command with a name that is already taken
-/// (comparison is case-insensitive) by a different command - a warning will be
-/// logged and newly passed `commandClass` discarded.
-public final function bool RegisterCommand(class<Command> commandClass) {
-    local Text commandName, groupName;
-    local ArrayList groupArray;
-    local Command newCommandInstance, existingCommandInstance;
-
-    if (commandClass == none)       return false;
-    if (registeredCommands == none) return false;
-
-    newCommandInstance = Command(_.memory.Allocate(commandClass, true));
-    commandName = newCommandInstance.GetName();
-    groupName = newCommandInstance.GetGroupName();
-    //  Check for duplicates and report them
-    existingCommandInstance = Command(registeredCommands.GetItem(commandName));
-    if (existingCommandInstance != none) {
-        _.logger.Auto(errCommandDuplicate)
-            .ArgClass(existingCommandInstance.class)
-            .Arg(commandName)
-            .ArgClass(commandClass);
-        _.memory.Free(groupName);
-        _.memory.Free(newCommandInstance);
-        _.memory.Free(existingCommandInstance);
-        return false;
-    }
-    //  Otherwise record new command
-    //  `commandName` used as a key, do not deallocate it
-    registeredCommands.SetItem(commandName, newCommandInstance);
-    //  Add to grouped collection
-    groupArray = groupedCommands.GetArrayList(groupName);
-    if (groupArray == none) {
-        groupArray = _.collections.EmptyArrayList();
-    }
-    groupArray.AddItem(newCommandInstance);
-    groupedCommands.SetItem(groupName, groupArray);
-    _.memory.Free4(groupArray, groupName, commandName, newCommandInstance);
-    return true;
-}
-
-/// Removes command of given class from the list of registered commands.
-///
-/// Removing once registered commands is not an action that is expected to be performed under normal
-/// circumstances and it is not efficient.
-/// It is linear on the current amount of commands.
-public final function RemoveCommand(class<Command> commandClass) {
-    local int i;
-    local CollectionIterator iter;
-    local Command nextCommand;
-    local Text nextCommandName;
-    local array<Text> commandGroup;          
-    local array<Text> keysToRemove;
-
-    if (commandClass == none)       return;
-    if (registeredCommands == none) return;
-
-    for (iter = registeredCommands.Iterate(); !iter.HasFinished(); iter.Next()) {
-        nextCommand     = Command(iter.Get());
-        nextCommandName = Text(iter.GetKey());
-        if (nextCommand == none || nextCommandName == none || nextCommand.class != commandClass) {
-            _.memory.Free2(nextCommand, nextCommandName);
-            continue;
-        }
-        keysToRemove[keysToRemove.length] = nextCommandName;
-        commandGroup[commandGroup.length] = nextCommand.GetGroupName();
-        _.memory.Free(nextCommand);
-    }
-    iter.FreeSelf();
-    for (i = 0; i < keysToRemove.length; i += 1) {
-        registeredCommands.RemoveItem(keysToRemove[i]);
-        _.memory.Free(keysToRemove[i]);
-    }
-    for (i = 0; i < commandGroup.length; i += 1) {
-        RemoveClassFromGroup(commandClass, commandGroup[i]);
-    }
-    _.memory.FreeMany(commandGroup);
-}
-
-/// Returns command based on a given name.
 ///
-/// Name of the registered `Command` to return is case-insensitive.
+/// If `Commands_Feature` is disabled, always returns `none`.
-///
+public final static function Text GetHelpCommandName() {
-/// If no command with such name was registered - returns `none`.
+    local Commands_Feature instance;
-public final function Command GetCommand(BaseText commandName) {
-    local Text      commandNameLowerCase;
-    local Command   commandInstance;
-
-    if (commandName == none)        return none;
-    if (registeredCommands == none) return none;
-
-    commandNameLowerCase = commandName.LowerCopy();
-    commandInstance = Command(registeredCommands.GetItem(commandNameLowerCase));
-    commandNameLowerCase.FreeSelf();
-    return commandInstance;
-}
-
-/// Returns array of names of all available commands.
-public final function array<Text> GetCommandNames() {
-    local array<Text> emptyResult;
-
-    if (registeredCommands != none) {
-        return registeredCommands.GetTextKeys();
-    }
-    return emptyResult;
-}
-
-/// Returns array of names of all available commands belonging to the group [`groupName`].
-public final function array<Text> GetCommandNamesInGroup(BaseText groupName) {
-    local int i;
-    local ArrayList groupArray;
-    local Command nextCommand;
-    local array<Text> result;
-
-    if (groupedCommands == none)    return result;
-    groupArray = groupedCommands.GetArrayList(groupName);
-    if (groupArray == none)         return result;
-
-    for (i = 0; i < groupArray.GetLength(); i += 1) {
-        nextCommand = Command(groupArray.GetItem(i));
-        if (nextCommand != none) {
-            result[result.length] = nextCommand.GetName();
-        }
-        _.memory.Free(nextCommand);
-    }
-    return result;
-}
-
-/// Returns all available command groups' names.
-public final function array<Text> GetGroupsNames() {
-    local array<Text> emptyResult;
 
-    if (groupedCommands != none) {
+    instance = Commands_Feature(GetEnabledInstance());
-        return groupedCommands.GetTextKeys();
+    if (instance != none && instance.helpCommandName != none) {
+        return instance.helpCommandName.Copy();
     }
-    return emptyResult;
+    return none;
 }
 
 /// Executes command based on the input.
 ///
-/// Takes [`commandLine`] as input with command's call, finds appropriate registered command
+/// Takes [`commandLine`] as input with command's call, finds appropriate
-/// instance and executes it with parameters specified in the [`commandLine`].
+/// registered command instance and executes it with parameters specified in
+/// the [`commandLine`].
 ///
-/// [`callerPlayer`] has to be specified and represents instigator of this command that will receive
+/// [`callerPlayer`] has to be specified and represents instigator of this
-/// appropriate result/error messages.
+/// command that will receive appropriate result/error messages.
 ///
 /// Returns `true` iff command was successfully executed.
 ///
 /// # Errors
 ///
-/// Doesn't log any errors, but can complain about errors in name or parameters to
+/// Doesn't log any errors, but can complain about errors in name or parameters
-/// the [`callerPlayer`]
+/// to the [`callerPlayer`]
 public final function bool HandleInput(BaseText input, EPlayer callerPlayer) {
     local bool result;
     local Parser wrapper;
@@ -560,21 +309,23 @@ public final function bool HandleInput(BaseText input, EPlayer callerPlayer) {
 
 /// Executes command based on the input.
 ///
-/// Takes [`commandLine`] as input with command's call, finds appropriate registered command
+/// Takes [`commandLine`] as input with command's call, finds appropriate
-/// instance and executes it with parameters specified in the [`commandLine`].
+/// registered command instance and executes it with parameters specified in
+/// the [`commandLine`].
 ///
-/// [`callerPlayer`] has to be specified and represents instigator of this command that will receive
+/// [`callerPlayer`] has to be specified and represents instigator of this
-/// appropriate result/error messages.
+/// command that will receive appropriate result/error messages.
 ///
 /// Returns `true` iff command was successfully executed.
 ///
 /// # Errors
 ///
-/// Doesn't log any errors, but can complain about errors in name or parameters to
+/// Doesn't log any errors, but can complain about errors in name or parameters
-/// the [`callerPlayer`]
+/// to the [`callerPlayer`]
 public final function bool HandleInputWith(Parser parser, EPlayer callerPlayer) {
     local bool errorOccured;
-    local Command commandInstance;
+    local User identity;
+    local CommandAPI.CommandConfigInfo commandPair;
     local Command.CallData callData;
     local CommandCallPair callPair;
 
@@ -582,34 +333,25 @@ public final function bool HandleInputWith(Parser parser, EPlayer callerPlayer)
     if (callerPlayer == none)   return false;
     if (!parser.Ok())           return false;
 
+    identity = callerPlayer.GetIdentity();
     callPair = ParseCommandCallPairWith(parser);
-    commandInstance = GetCommand(callPair.commandName);
+    commandPair = _.commands.ResolveCommandForUser(callPair.commandName, identity);
-    if (commandInstance == none && callerPlayer != none && callerPlayer.IsExistent()) {
+    if (commandPair.instance == none || commandPair.usageForbidden) {
-        callerPlayer
+        if (callerPlayer != none && callerPlayer.IsExistent()) {
-            .BorrowConsole()
+            callerPlayer
-            .Flush()
+                .BorrowConsole()
-            .Say(F("{$TextFailure Command not found!}"));
+                .Flush()
-    }
+                .Say(F("{$TextFailure Command not found!}"));
-    if (parser.Ok() && commandInstance != none) {
-        callData = commandInstance.ParseInputWith(parser, callerPlayer, callPair.subCommandName);
-        errorOccured = commandInstance.Execute(callData, callerPlayer);
-        commandInstance.DeallocateCallData(callData);
-    }
-    _.memory.Free2(callPair.commandName, callPair.subCommandName);
-    return errorOccured;
-}
-
-private final function ACommandVote GetVotingCommand() {
-    local AcediaObject registeredAsVote;
-
-    if (registeredCommands != none) {
-        registeredAsVote = registeredCommands.GetItem(P("vote"));
-        if (registeredAsVote != none && registeredAsVote.class == class'ACommandVote') {
-            return ACommandVote(registeredAsVote);
         }
-        _.memory.Free(registeredAsVote);
     }
-    return none;
+    if (parser.Ok() && commandPair.instance != none && !commandPair.usageForbidden) {
+        callData =
+            commandPair.instance.ParseInputWith(parser, callerPlayer, callPair.subCommandName);
+        errorOccured = commandPair.instance.Execute(callData, callerPlayer, commandPair.config);
+        commandPair.instance.DeallocateCallData(callData);
+    }
+    _.memory.Free4(commandPair.instance, callPair.commandName, callPair.subCommandName, identity);
+    return errorOccured;
 }
 
 // Parses command's name into `CommandCallPair` - sub-command is filled in case
@@ -677,44 +419,290 @@ private function HandleMutate(string command, PlayerController sendingPlayer) {
     parser.FreeSelf();
 }
 
-private final function RemoveClassFromGroup(class<Command> commandClass, BaseText commandGroup) {
+private final function LoadConfigArrays() {
     local int i;
-    local ArrayList groupArray;
+    local CommandListGroupPair nextCommandSetGroupPair;
-    local Command nextCommand;
 
-    groupArray = groupedCommands.GetArrayList(commandGroup);
+    for (i = 0; i < commandGroup.length; i += 1) {
-    if (groupArray == none) {
+        permissionGroupOrder[i] = _.text.FromString(commandGroup[i]);
-        return;
+    }
+    for (i = 0; i < addCommandSet.length; i += 1) {
+        nextCommandSetGroupPair.commandListName = _.text.FromString(addCommandSet[i].name);
+        nextCommandSetGroupPair.permissionGroup = _.text.FromString(addCommandSet[i].for);
+        usedCommandLists[i] = nextCommandSetGroupPair;
+    }
+    FreeRenamingRules();
+    commandRenamingRules = LoadRenamingRules(renamingRule);
+    votingRenamingRules = LoadRenamingRules(votingRenamingRule);
+}
+
+private final function array<RenamingRulePair> LoadRenamingRules(
+    array<Commands.RenamingRulePair> inputRules) {
+    local int i, j;
+    local RenamingRulePair nextRule;
+    local array<RenamingRulePair> result;
+
+    // Clear away duplicates
+    for (i = 0; i < inputRules.length; i += 1) {
+        j = i + 1;
+        while (j < inputRules.length) {
+            if (inputRules[i].rename == inputRules[j].rename) {
+                _.logger.Auto(warnDuplicateRenaming)
+                    .ArgClass(inputRules[i].rename)
+                    .Arg(_.text.FromString(inputRules[i].to))
+                    .Arg(_.text.FromString(inputRules[j].to));
+                inputRules.Remove(j, 1);
+            } else {
+                j += 1;
+            }
+        }
+    }
+    // Translate rules
+    for (i = 0; i < inputRules.length; i += 1) {
+        nextRule.class = inputRules[i].rename;
+        nextRule.newName = _.text.FromString(inputRules[i].to);
+        if (nextRule.class == class'ACommandHelp') {
+            _.memory.Free(helpCommandName);
+            helpCommandName = nextRule.newName.Copy();
+        }
+        result[result.length] = nextRule;
+    }
+    return result;
+}
+
+private final function LoadCommands() {
+    local int i, j;
+    local Text nextName;
+    local array<EntityLoadInfo> commandClassesToLoad;
+
+    commandClassesToLoad = CollectAllCommandClasses();
+    // Load command names to use, according to preferred names and name rules
+    for (i = 0; i < commandClassesToLoad.length; i += 1) {
+        nextName = none;
+        for (j = 0; j < commandRenamingRules.length; j += 1) {
+            if (commandClassesToLoad[i].entityClass == commandRenamingRules[j].class) {
+                nextName = commandRenamingRules[j].newName.Copy();
+                break;
+            }
+        }
+        if (nextName == none) {
+            nextName = class<Command>(commandClassesToLoad[i].entityClass)
+                .static.GetPreferredName();
+        }
+        commandClassesToLoad[i].name = nextName;
+    }
+    // Actually load commands
+    for (i = 0; i < commandClassesToLoad.length; i += 1) {
+        _.commands.AddCommandAsync(
+            class<Command>(commandClassesToLoad[i].entityClass),
+            commandClassesToLoad[i].name);
+        for (j = 0; j < commandClassesToLoad[i].authorizedGroups.length; j += 1) {
+            _.commands.AuthorizeCommandUsageAsync(
+                commandClassesToLoad[i].name,
+                commandClassesToLoad[i].authorizedGroups[j],
+                commandClassesToLoad[i].groupsConfig[j]);
+        }
+        _.logger.Auto(infoCommandAdded)
+            .ArgClass(commandClassesToLoad[i].entityClass)
+            .Arg(/*take*/ commandClassesToLoad[i].name);
+    }
+    for (i = 0; i < commandClassesToLoad.length; i += 1) {
+        // `name` field was already released through `Arg()` logger function
+        _.memory.FreeMany(commandClassesToLoad[i].authorizedGroups);
+        _.memory.FreeMany(commandClassesToLoad[i].groupsConfig);
+    }
+}
+
+private final function LoadVotings() {
+    local int i, j;
+    local Text nextName;
+    local array<EntityLoadInfo> votingClassesToLoad;
+
+    votingClassesToLoad = CollectAllVotingClasses();
+    // Load voting names to use, according to preferred names and name rules
+    for (i = 0; i < votingClassesToLoad.length; i += 1) {
+        nextName = none;
+        for (j = 0; j < votingRenamingRules.length; j += 1) {
+            if (votingClassesToLoad[i].entityClass == votingRenamingRules[j].class) {
+                nextName = votingRenamingRules[j].newName.Copy();
+                break;
+            }
+        }
+        if (nextName == none) {
+            nextName = class<Voting>(votingClassesToLoad[i].entityClass)
+                .static.GetPreferredName();
+        }
+        votingClassesToLoad[i].name = nextName;
+    }
+    // Actually load votings
+    for (i = 0; i < votingClassesToLoad.length; i += 1) {
+        _.commands.AddVotingAsync(
+            class<Voting>(votingClassesToLoad[i].entityClass),
+            votingClassesToLoad[i].name);
+        for (j = 0; j < votingClassesToLoad[i].authorizedGroups.length; j += 1) {
+            _.commands.AuthorizeVotingUsageAsync(
+                votingClassesToLoad[i].name,
+                votingClassesToLoad[i].authorizedGroups[j],
+                votingClassesToLoad[i].groupsConfig[j]);
+        }
+        _.logger.Auto(infoVotingAdded)
+            .ArgClass(votingClassesToLoad[i].entityClass)
+            .Arg(/*take*/ votingClassesToLoad[i].name);
+    }
+    for (i = 0; i < votingClassesToLoad.length; i += 1) {
+        // `name` field was already released through `Arg()` logger function
+        _.memory.FreeMany(votingClassesToLoad[i].authorizedGroups);
+        _.memory.FreeMany(votingClassesToLoad[i].groupsConfig);
+    }
+}
+
+// Guaranteed to not return `none` items in the array
+private final function array<EntityLoadInfo> CollectAllCommandClasses() {
+    local int i;
+    local bool debugging;
+    local CommandList nextList;
+    local array<EntityLoadInfo> result;
+
+    debugging = _.environment.IsDebugging();
+    class'CommandList'.static.Initialize();
+    for (i = 0; i < usedCommandLists.length; i += 1) {
+        nextList = CommandList(class'CommandList'.static
+            .GetConfigInstance(usedCommandLists[i].commandListName));
+        if (nextList != none) {
+            if (!debugging && nextList.debugOnly) {
+                continue;
+            }
+            MergeEntityClassArrays(
+                result,
+                /*take*/ nextList.GetCommandData(),
+                usedCommandLists[i].permissionGroup);
+        } else {
+            _.logger.Auto(warnNoCommandList).Arg(usedCommandLists[i].commandListName.Copy());
+        }
     }
-    while (i < groupArray.GetLength()) {
+    return result;
-        nextCommand = Command(groupArray.GetItem(i));
+}
-        if (nextCommand != none && nextCommand.class == commandClass) {
+
-            groupArray.RemoveIndex(i);
+// Guaranteed to not return `none` items in the array
+private final function array<EntityLoadInfo> CollectAllVotingClasses() {
+    local int i;
+    local bool debugging;
+    local CommandList nextList;
+    local array<EntityLoadInfo> result;
+
+    debugging = _.environment.IsDebugging();
+    class'CommandList'.static.Initialize();
+    for (i = 0; i < usedCommandLists.length; i += 1) {
+        nextList = CommandList(class'CommandList'.static
+            .GetConfigInstance(usedCommandLists[i].commandListName));
+        if (nextList != none) {
+            if (!debugging && nextList.debugOnly) {
+                continue;
+            }
+            MergeEntityClassArrays(
+                result,
+                /*take*/ nextList.GetVotingData(),
+                usedCommandLists[i].permissionGroup);
         } else {
-            i += 1;
+            _.logger.Auto(warnNoCommandList).Arg(usedCommandLists[i].commandListName.Copy());
         }
-        _.memory.Free(nextCommand);
     }
-    if (groupArray.GetLength() == 0) {
+    return result;
-        groupedCommands.RemoveItem(commandGroup);
+}
+
+// Adds `newCommands` into `infoArray`, adding `commandsGroup` to
+// their array `authorizedGroups`
+//
+// Assumes that all arguments aren't `none`.
+//
+// Guaranteed to not add `none` commands from `newCommands`.
+//
+// Assumes that items from `infoArray` all have `name` field set to `none`,
+// will also leave them as `none`.
+private final function MergeEntityClassArrays(
+    out array<EntityLoadInfo> infoArray,
+    /*take*/ array<CommandList.EntityConfigPair> newCommands,
+    Text commandsGroup
+) {
+    local int i, infoToEditIndex;
+    local EntityLoadInfo infoToEdit;
+    local array<Text> editedArray;
+
+    for (i = 0; i < newCommands.length; i += 1) {
+        if (newCommands[i].class == none) {
+            continue;
+        }
+        // Search for an existing record of class `newCommands[i]` in
+        // `infoArray`. If found, copy to `infoToEdit` and index into
+        // `infoToEditIndex`, else `infoToEditIndex` will hold the next unused
+        // index in `infoArray`.
+        infoToEditIndex = 0;
+        while (infoToEditIndex < infoArray.length) {
+            if (infoArray[infoToEditIndex].entityClass == newCommands[i].class) {
+                infoToEdit = infoArray[infoToEditIndex];
+                break;
+            }
+            infoToEditIndex += 1;
+        }
+        // Update data inside `infoToEdit`.
+        infoToEdit.entityClass = newCommands[i].class;
+
+        editedArray = infoToEdit.authorizedGroups;
+        editedArray[editedArray.length] = commandsGroup.Copy();
+        infoToEdit.authorizedGroups = editedArray;
+
+        editedArray = infoToEdit.groupsConfig;
+        editedArray[editedArray.length] = newCommands[i].config; // moving here
+        infoToEdit.groupsConfig = editedArray;
+        // Update `infoArray` with the modified record.
+        infoArray[infoToEditIndex] = infoToEdit;
+        // Forget about data `authorizedGroups` and `groupsConfig`:
+        //
+        // 1. Their references have already been moved into `infoArray` and
+        //  don't need to be released;
+        // 2. If we don't find corresponding struct inside `infoArray` on
+        //  the next iteration, we'll override `commandClass`,
+        //  but not `authorizedGroups`/`groupsConfig`, so we'll just reset them
+        //  to empty now.
+        //  (`name` field is expected to be `none` during this method)
+        infoToEdit.authorizedGroups.length = 0;
+        infoToEdit.groupsConfig.length = 0;
     }
-    _.memory.Free(groupArray);
 }
 
-private final function ReleaseNameVotingsArray(out array<NamedVoting> toRelease) {
+private final function FreeUsedCommandSets() {
     local int i;
 
-    for (i = 0; i < toRelease.length; i += 1) {
+    for (i = 0; i < usedCommandLists.length; i += 1) {
-        _.memory.Free(toRelease[i].processName);
+        _.memory.Free(usedCommandLists[i].commandListName);
-        toRelease[i].processName = none;
+        _.memory.Free(usedCommandLists[i].permissionGroup);
     }
-    toRelease.length = 0;
+    usedCommandLists.length = 0;
+}
+
+private final function FreeRenamingRules() {
+    local int i;
+
+    for (i = 0; i < commandRenamingRules.length; i += 1) {
+        _.memory.Free(commandRenamingRules[i].newName);
+    }
+    commandRenamingRules.length = 0;
+
+    for (i = 0; i < votingRenamingRules.length; i += 1) {
+        _.memory.Free(votingRenamingRules[i].newName);
+    }
+    votingRenamingRules.length = 0;
+}
+
+public final function CommandAPI.CommandFeatureTools _borrowTools() {
+    return tools;
 }
 
 defaultproperties {
     configClass = class'Commands'
-    errCommandDuplicate = (l=LOG_Error,m="Command `%1` is already registered with name '%2'. Command `%3` with the same name will be ignored.")
     errServerAPIUnavailable = (l=LOG_Error,m="Server API is currently unavailable. Input methods through chat and mutate command will not be available.")
-    errVotingWithSameNameAlreadyRegistered = (l=LOG_Error,m="Attempting to register voting process with class `%1` under the name \"%2\" when voting process `%3` is already registered. This is likely caused by conflicting mods.")
+    warnDuplicateRenaming = (l=LOG_Warning,m="Class `%1` has duplicate renaming rules: \"%2\" and \"%3\". Latter will be discarded. It is recommended that you fix your `AcediaCommands` configuration file.")
-    errYesNoVotingNamesReserved = (l=LOG_Error,m="Attempting to register voting process with class `%1` under the reserved name \"%2\". This is an issue with the mod that provided the voting, please contact its author.")
+    warnNoCommandList = (l=LOG_Warning,m="Command list \"%1\" not found.")
+    infoCommandAdded = (l=LOG_Info,m="`Commands_Feature` has resolved to load command `%1` as \"%2\".")
+    infoVotingAdded = (l=LOG_Info,m="`Commands_Feature` has resolved to load voting `%1` as \"%2\".")
 }

sources/BaseAPI/API/Commands/Events/CommandsAPI_OnCommandAdded_Signal.uc

@@ -0,0 +1,39 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class CommandsAPI_OnCommandAdded_Signal extends Signal;
+
+public final function bool Emit(class<Command> addedClass, Text usedName) {
+    local Slot nextSlot;
+
+    StartIterating();
+    nextSlot = GetNextSlot();
+    while (nextSlot != none) {
+        CommandsAPI_OnCommandAdded_Slot(nextSlot).connect(addedClass, usedName);
+        nextSlot = GetNextSlot();
+    }
+    CleanEmptySlots();
+    return true;
+}
+
+defaultproperties {
+    relatedSlotClass = class'CommandsAPI_OnCommandAdded_Slot'
+}

sources/BaseAPI/API/Commands/Events/CommandsAPI_OnCommandAdded_Slot.uc

@@ -0,0 +1,38 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class CommandsAPI_OnCommandAdded_Slot extends Slot;
+
+delegate connect(class<Command> addedClass, Text usedName) {
+    DummyCall();
+}
+
+protected function Constructor() {
+    connect = none;
+}
+
+protected function Finalizer() {
+    super.Finalizer();
+    connect = none;
+}
+
+defaultproperties {
+}

sources/BaseAPI/API/Commands/Events/CommandsAPI_OnCommandRemoved_Signal.uc

@@ -0,0 +1,39 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class CommandsAPI_OnCommandRemoved_Signal extends Signal;
+
+public final function bool Emit(class<Command> removedClass) {
+    local Slot nextSlot;
+
+    StartIterating();
+    nextSlot = GetNextSlot();
+    while (nextSlot != none) {
+        CommandsAPI_OnCommandRemoved_Slot(nextSlot).connect(removedClass);
+        nextSlot = GetNextSlot();
+    }
+    CleanEmptySlots();
+    return true;
+}
+
+defaultproperties {
+    relatedSlotClass = class'CommandsAPI_OnCommandRemoved_Slot'
+}

sources/BaseAPI/API/Commands/Events/CommandsAPI_OnCommandRemoved_Slot.uc

@@ -0,0 +1,38 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class CommandsAPI_OnCommandRemoved_Slot extends Slot;
+
+delegate connect(class<Command> removedClass) {
+    DummyCall();
+}
+
+protected function Constructor() {
+    connect = none;
+}
+
+protected function Finalizer() {
+    super.Finalizer();
+    connect = none;
+}
+
+defaultproperties {
+}

sources/BaseAPI/API/Commands/Events/CommandsAPI_OnVotingAdded_Signal.uc

@@ -0,0 +1,39 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class CommandsAPI_OnVotingAdded_Signal extends Signal;
+
+public final function bool Emit(class<Voting> addedClass, Text usedName) {
+    local Slot nextSlot;
+
+    StartIterating();
+    nextSlot = GetNextSlot();
+    while (nextSlot != none) {
+        CommandsAPI_OnVotingAdded_Slot(nextSlot).connect(addedClass, usedName);
+        nextSlot = GetNextSlot();
+    }
+    CleanEmptySlots();
+    return true;
+}
+
+defaultproperties {
+    relatedSlotClass = class'CommandsAPI_OnVotingAdded_Slot'
+}

sources/BaseAPI/API/Commands/Events/CommandsAPI_OnVotingAdded_Slot.uc

@@ -0,0 +1,38 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class CommandsAPI_OnVotingAdded_Slot extends Slot;
+
+delegate connect(class<Voting> addedClass, Text usedName) {
+    DummyCall();
+}
+
+protected function Constructor() {
+    connect = none;
+}
+
+protected function Finalizer() {
+    super.Finalizer();
+    connect = none;
+}
+
+defaultproperties {
+}

sources/BaseAPI/API/Commands/Events/CommandsAPI_OnVotingEnded_Signal.uc

@@ -0,0 +1,39 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class CommandsAPI_OnVotingEnded_Signal extends Signal;
+
+public final function bool Emit(bool success, HashTable arguments) {
+    local Slot nextSlot;
+
+    StartIterating();
+    nextSlot = GetNextSlot();
+    while (nextSlot != none) {
+        CommandsAPI_OnVotingEnded_Slot(nextSlot).connect(success, arguments);
+        nextSlot = GetNextSlot();
+    }
+    CleanEmptySlots();
+    return true;
+}
+
+defaultproperties {
+    relatedSlotClass = class'CommandsAPI_OnVotingEnded_Slot'
+}

sources/BaseAPI/API/Commands/Events/CommandsAPI_OnVotingEnded_Slot.uc

@@ -0,0 +1,38 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class CommandsAPI_OnVotingEnded_Slot extends Slot;
+
+delegate connect(bool success, HashTable arguments) {
+    DummyCall();
+}
+
+protected function Constructor() {
+    connect = none;
+}
+
+protected function Finalizer() {
+    super.Finalizer();
+    connect = none;
+}
+
+defaultproperties {
+}

sources/BaseAPI/API/Commands/Events/CommandsAPI_OnVotingRemoved_Signal.uc

@@ -0,0 +1,39 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class CommandsAPI_OnVotingRemoved_Signal extends Signal;
+
+public final function bool Emit(class<Voting> removedClass) {
+    local Slot nextSlot;
+
+    StartIterating();
+    nextSlot = GetNextSlot();
+    while (nextSlot != none) {
+        CommandsAPI_OnVotingRemoved_Slot(nextSlot).connect(removedClass);
+        nextSlot = GetNextSlot();
+    }
+    CleanEmptySlots();
+    return true;
+}
+
+defaultproperties {
+    relatedSlotClass = class'CommandsAPI_OnVotingRemoved_Slot'
+}

sources/BaseAPI/API/Commands/Events/CommandsAPI_OnVotingRemoved_Slot.uc

@@ -0,0 +1,38 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class CommandsAPI_OnVotingRemoved_Slot extends Slot;
+
+delegate connect(class<Voting> removedClass) {
+    DummyCall();
+}
+
+protected function Constructor() {
+    connect = none;
+}
+
+protected function Finalizer() {
+    super.Finalizer();
+    connect = none;
+}
+
+defaultproperties {
+}

sources/BaseAPI/API/Commands/PlayersParser.uc

@@ -27,71 +27,75 @@ class PlayersParser extends AcediaObject
 //!
 //! Basic use is to specify one of the selectors:
 //! 1. Key selector: "#<integer>" (examples: "#1", "#5").
-//!     This one is used to specify players by their key, assigned to them when they enter the game.
+//!     This one is used to specify players by their key, assigned to them when
+//!     they enter the game.
 //!     This type of selectors can be used when players have hard to type names.
 //! 2. Macro selector: "@self", "@me", "@all", "@admin" or just "@".
-//!     "@", "@me", and "@self" are identical and can be used to specify player that called
+//!     "@", "@me", and "@self" are identical and can be used to specify player
-//!     the command.
+//!     that called the command.
 //!     "@admin" can be used to specify all admins in the game at once.
 //!     "@all" specifies all current players.
-//!     In future it is planned to make macros extendable by allowing to bind more names to specific
+//!     In future it is planned to make macros extendable by allowing to bind
-//!     groups of players.
+//!     more names to specific groups of players.
-//! 3. Name selectors: quoted strings and any other types of string that do not start with
+//! 3. Name selectors: quoted strings and any other types of string that do not
-//!     either "#" or "@".
+//!     start with either "#" or "@".
 //!     These specify name prefixes: any player with specified prefix will be considered to match
 //!     such selector.
 //!
-//! Negated selectors: "!<selector>". Specifying "!" in front of selector will select all players
+//! Negated selectors: "!<selector>". Specifying "!" in front of selector will
-//! that do not match it instead.
+//! select all players that do not match it instead.
 //!
 //! Grouped selectors: "['<selector1>', '<selector2>', ... '<selectorN>']".
 //! Specified selectors are process in order: from left to right.
 //! First selector works as usual and selects a set of players.
-//! All the following selectors either expand that list (additive ones, without "!" prefix) or
+//! All the following selectors either expand that list (additive ones, without
-//! remove specific players from the list (the ones with "!" prefix).
+//! "!" prefix) or remove specific players from the list (the ones with "!"
-//! Examples of that:
+//! prefix). Examples of that:
 //!
-//! * "[@admin, !@self]" - selects all admins, except the one who called the command
+//! * "[@admin, !@self]" - selects all admins, except the one who called
-//!     (whether he is admin or not).
+//!     the command (whether he is admin or not).
-//! * "[dkanus, 'mate']" - will select players "dkanus" and "mate". Order also matters, since:
+//! * "[dkanus, 'mate']" - will select players "dkanus" and "mate".
-//! * "[@admin, !@admin]" - won't select anyone, since it will first add all the admins and
+//!     Order also matters, since:
-//!     then remove them.
+//!     - "[@admin, !@admin]" - won't select anyone, since it will first add all
-//! * "[!@admin, @admin]" - will select everyone, since it will first select everyone who is
+//!         the admins and then remove them.
-//!     not an admin and then adds everyone else.
+//!     - "[!@admin, @admin]" - will select everyone, since it will first select
+//!         everyone who is not an admin and then adds everyone else.
 //!
 //! # Usage
 //!
 //! 1. Allocate `PlayerParser`;
-//! 2. Set caller player through `SetSelf()` method to make "@" and "@me" selectors usable;
+//! 2. Set caller player through `SetSelf()` method to make "@" and "@me"
-//! 3. Call `Parse()` or `ParseWith()` method with `BaseText`/`Parser` that starts with proper
+//!     selectors usable;
-//!     players selector;
+//! 3. Call `Parse()` or `ParseWith()` method with `BaseText`/`Parser` that
+//!     starts with proper players selector;
 //! 4. Call `GetPlayers()` to obtain selected players array.
 //!
 //! # Implementation
 //!
-//! When created, `PlayersParser` takes a snapshot (array) of current players on the server.
+//! When created, `PlayersParser` takes a snapshot (array) of current players on
-//! Then `currentSelection` is decided based on whether first selector is positive
+//! the server. Then `currentSelection` is decided based on whether first
-//! (initial selection is taken as empty array) or negative
+//! selector is positive (initial selection is taken as empty array) or negative
 //! (initial selection is taken as full snapshot).
-//! 
+//!
 //! After that `PlayersParser` simply goes through specified selectors
-//! (in case more than one is specified) and adds or removes appropriate players in
+//! (in case more than one is specified) and adds or removes appropriate players
-//! `currentSelection`, assuming that `playersSnapshot` is a current full array of players.
+//! in `currentSelection`, assuming that `playersSnapshot` is a current full
-
+//! array of players.
-// Player for which "@", "@me", and "@self" macros will refer
+
-var private EPlayer         selfPlayer;
+/// Player for which "@", "@me", and "@self" macros will refer
-// Copy of the list of current players at the moment of allocation of
+var private EPlayer selfPlayer;
-// this `PlayersParser`.
+/// Copy of the list of current players at the moment of allocation of
-var private array<EPlayer>  playersSnapshot;
+/// this `PlayersParser`.
-// Players, selected according to selectors we have parsed so far
+var private array<EPlayer> playersSnapshot;
-var private array<EPlayer>  currentSelection;
+/// Players, selected according to selectors we have parsed so far
-// Have we parsed our first selector?
+var private array<EPlayer> currentSelection;
-// We need this to know whether to start with the list of
+/// Have we parsed our first selector?
-// all players (if first selector removes them) or
+/// We need this to know whether to start with the list of
-// with empty list (if first selector adds them).
+/// all players (if first selector removes them) or
-var private bool            parsedFirstSelector;
+/// with empty list (if first selector adds them).
-// Will be equal to a single-element array [","], used for parsing
+var private bool parsedFirstSelector;
-var private array<Text>     selectorDelimiters;
+/// Will be equal to a single-element array [","], used for parsing
+var private array<Text> selectorDelimiters;
 
 var const int TSELF, TME, TADMIN, TALL, TNOT, TKEY, TMACRO, TCOMMA;
 var const int TOPEN_BRACKET, TCLOSE_BRACKET;
@@ -118,8 +122,77 @@ public final function SetSelf(EPlayer newSelfPlayer) {
     }
 }
 
-// Insert a new player into currently selected list of players (`currentSelection`) such that there
+/// Returns players parsed by the last `ParseWith()` or `Parse()` call.
-// will be no duplicates.
+///
+/// If neither were yet called - returns an empty array.
+public final function array<EPlayer> GetPlayers() {
+    local int i;
+    local array<EPlayer> result;
+
+    for (i = 0; i < currentSelection.length; i += 1) {
+        if (currentSelection[i].IsExistent()) {
+            result[result.length] = EPlayer(currentSelection[i].Copy());
+        }
+    }
+    return result;
+}
+
+/// Parses players from `parser` according to the currently present players.
+///
+/// Array of parsed players can be retrieved by `self.GetPlayers()` method.
+///
+/// Returns `true` if parsing was successful and `false` otherwise.
+public final function bool ParseWith(Parser parser) {
+    local Parser.ParserState confirmedState;
+
+    if (parser == none)         return false;
+    if (!parser.Ok())           return false;
+    if (parser.HasFinished())   return false;
+
+    Reset();
+    confirmedState = parser.Skip().GetCurrentState();
+    if (!parser.Match(T(TOPEN_BRACKET)).Ok()) {
+        ParseSelector(parser.RestoreState(confirmedState));
+        if (parser.Ok()) {
+            return true;
+        }
+        return false;
+    }
+    while (parser.Ok() && !parser.HasFinished()) {
+        confirmedState = parser.Skip().GetCurrentState();
+        if (parser.Match(T(TCLOSE_BRACKET)).Ok()) {
+            return true;
+        }
+        parser.RestoreState(confirmedState);
+        if (parsedFirstSelector) {
+            parser.Match(T(TCOMMA)).Skip();
+        }
+        ParseSelector(parser);
+        parser.Skip();
+    }
+    parser.Fail();
+    return false;
+}
+
+/// Parses players from according to the currently present players.
+///
+/// Array of parsed players can be retrieved by `self.GetPlayers()` method.
+/// Returns `true` if parsing was successful and `false` otherwise.
+public final function bool Parse(BaseText toParse) {
+    local bool wasSuccessful;
+    local Parser parser;
+
+    if (toParse == none) {
+        return false;
+    }
+    parser = _.text.Parse(toParse);
+    wasSuccessful = ParseWith(parser);
+    parser.FreeSelf();
+    return wasSuccessful;
+}
+
+// Insert a new player into currently selected list of players
+// (`currentSelection`) such that there will be no duplicates.
 //
 // `none` values are auto-discarded.
 private final function InsertPlayer(EPlayer toInsert) {
@@ -261,7 +334,8 @@ private final function RemoveByMacro(BaseText macroText) {
     }
 }
 
-// Parses one selector from `parser`, while accordingly modifying current player selection list.
+// Parses one selector from `parser`, while accordingly modifying current player
+// selection list.
 private final function ParseSelector(Parser parser) {
     local bool additiveSelector;
     local Parser.ParserState confirmedState;
@@ -299,8 +373,8 @@ private final function ParseSelector(Parser parser) {
     ParseNameSelector(parser, additiveSelector);
 }
 
-// Parse key selector (assuming "#" is already consumed), while accordingly modifying current player
+// Parse key selector (assuming "#" is already consumed), while accordingly
-// selection list.
+// modifying current player selection list.
 private final function ParseKeySelector(Parser parser, bool additiveSelector) {
     local int key;
 
@@ -315,8 +389,8 @@ private final function ParseKeySelector(Parser parser, bool additiveSelector) {
     }
 }
 
-// Parse macro selector (assuming "@" is already consumed), while accordingly modifying current
+// Parse macro selector (assuming "@" is already consumed), while accordingly
-// player selection list.
+// modifying current player selection list.
 private final function ParseMacroSelector(Parser parser, bool additiveSelector) {
     local MutableText macroName;
     local Parser.ParserState confirmedState;
@@ -339,7 +413,8 @@ private final function ParseMacroSelector(Parser parser, bool additiveSelector)
     _.memory.Free(macroName);
 }
 
-// Parse name selector, while accordingly modifying current player selection list.
+// Parse name selector, while accordingly modifying current player selection
+// list.
 private final function ParseNameSelector(Parser parser, bool additiveSelector) {
     local MutableText playerName;
     local Parser.ParserState confirmedState;
@@ -362,10 +437,11 @@ private final function ParseNameSelector(Parser parser, bool additiveSelector) {
     _.memory.Free(playerName);
 }
 
-// Reads a string that can either be a body of name selector (some player's name prefix) or
+// Reads a string that can either be a body of name selector (some player's
-// of a macro selector (what comes after "@").
+// name prefix) or of a macro selector (what comes after "@").
 //
-// This is different from `parser.MString()` because it also uses "," as a separator.
+// This is different from `parser.MString()` because it also uses "," as
+// a separator.
 private final function MutableText ParseLiteral(Parser parser) {
     local MutableText literal;
     local Parser.ParserState confirmedState;
@@ -381,60 +457,8 @@ private final function MutableText ParseLiteral(Parser parser) {
     return literal;
 }
 
-/// Returns players parsed by the last `ParseWith()` or `Parse()` call.
-///
-/// If neither were yet called - returns an empty array.
-public final function array<EPlayer> GetPlayers() {
-    local int i;
-    local array<EPlayer> result;
-
-    for (i = 0; i < currentSelection.length; i += 1) {
-        if (currentSelection[i].IsExistent()) {
-            result[result.length] = EPlayer(currentSelection[i].Copy());
-        }
-    }
-    return result;
-}
-
-/// Parses players from `parser` according to the currently present players.
-///
-/// Array of parsed players can be retrieved by `self.GetPlayers()` method.
-///
-/// Returns `true` if parsing was successful and `false` otherwise.
-public final function bool ParseWith(Parser parser) {
-    local Parser.ParserState confirmedState;
-
-    if (parser == none)         return false;
-    if (!parser.Ok())           return false;
-    if (parser.HasFinished())   return false;
-
-    Reset();
-    confirmedState = parser.Skip().GetCurrentState();
-    if (!parser.Match(T(TOPEN_BRACKET)).Ok()) {
-        ParseSelector(parser.RestoreState(confirmedState));
-        if (parser.Ok()) {
-            return true;
-        }
-        return false;
-    }
-    while (parser.Ok() && !parser.HasFinished()) {
-        confirmedState = parser.Skip().GetCurrentState();
-        if (parser.Match(T(TCLOSE_BRACKET)).Ok()) {
-            return true;
-        }
-        parser.RestoreState(confirmedState);
-        if (parsedFirstSelector) {
-            parser.Match(T(TCOMMA)).Skip();
-        }
-        ParseSelector(parser);
-        parser.Skip();
-    }
-    parser.Fail();
-    return false;
-}
-
 // Resets this object to initial state before parsing and update
-// `playersSnapshot` to contain current players. 
+// `playersSnapshot` to contain current players.
 private final function Reset() {
     parsedFirstSelector = false;
     currentSelection.length = 0;
@@ -446,23 +470,6 @@ private final function Reset() {
     selectorDelimiters[1] = T(TCLOSE_BRACKET);
 }
 
-/// Parses players from according to the currently present players.
-///
-/// Array of parsed players can be retrieved by `self.GetPlayers()` method.
-/// Returns `true` if parsing was successful and `false` otherwise.
-public final function bool Parse(BaseText toParse) {
-    local bool wasSuccessful;
-    local Parser parser;
-
-    if (toParse == none) {
-        return false;
-    }
-    parser = _.text.Parse(toParse);
-    wasSuccessful = ParseWith(parser);
-    parser.FreeSelf();
-    return wasSuccessful;
-}
-
 defaultproperties {
     TSELF           = 0
     stringConstants(0) = "self"

sources/BaseAPI/API/Commands/Tests/TEST_Voting.uc

@@ -0,0 +1,351 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class TEST_Voting extends TestCase
+    abstract
+    dependsOn(VotingModel);
+
+enum ExpectedOutcome {
+    TEST_EO_Continue,
+    TEST_EO_End,
+};
+
+protected static function VotingModel MakeVotingModel(bool drawMeansWin) {
+    local VotingModel model;
+
+    model = VotingModel(__().memory.Allocate(class'VotingModel'));
+    model.Start(drawMeansWin);
+    return model;
+}
+
+protected static function SetVoters(
+    VotingModel model,
+    optional string voterID0,
+    optional string voterID1,
+    optional string voterID2,
+    optional string voterID3,
+    optional string voterID4,
+    optional string voterID5,
+    optional string voterID6,
+    optional string voterID7,
+    optional string voterID8,
+    optional string voterID9
+) {
+    local UserID nextID;
+    local array<UserID> voterIDs;
+
+    if (voterID0 != "") {
+        nextID = UserID(__().memory.Allocate(class'UserID'));
+        nextID.Initialize(__().text.FromString(voterID0));
+        voterIDs[voterIDs.length] = nextID;
+    }
+    if (voterID1 != "") {
+        nextID = UserID(__().memory.Allocate(class'UserID'));
+        nextID.Initialize(__().text.FromString(voterID1));
+        voterIDs[voterIDs.length] = nextID;
+    }
+    if (voterID2 != "") {
+        nextID = UserID(__().memory.Allocate(class'UserID'));
+        nextID.Initialize(__().text.FromString(voterID2));
+        voterIDs[voterIDs.length] = nextID;
+    }
+    if (voterID3 != "") {
+        nextID = UserID(__().memory.Allocate(class'UserID'));
+        nextID.Initialize(__().text.FromString(voterID3));
+        voterIDs[voterIDs.length] = nextID;
+    }
+    if (voterID4 != "") {
+        nextID = UserID(__().memory.Allocate(class'UserID'));
+        nextID.Initialize(__().text.FromString(voterID4));
+        voterIDs[voterIDs.length] = nextID;
+    }
+    if (voterID5 != "") {
+        nextID = UserID(__().memory.Allocate(class'UserID'));
+        nextID.Initialize(__().text.FromString(voterID5));
+        voterIDs[voterIDs.length] = nextID;
+    }
+    if (voterID6 != "") {
+        nextID = UserID(__().memory.Allocate(class'UserID'));
+        nextID.Initialize(__().text.FromString(voterID6));
+        voterIDs[voterIDs.length] = nextID;
+    }
+    if (voterID7 != "") {
+        nextID = UserID(__().memory.Allocate(class'UserID'));
+        nextID.Initialize(__().text.FromString(voterID7));
+        voterIDs[voterIDs.length] = nextID;
+    }
+    if (voterID8 != "") {
+        nextID = UserID(__().memory.Allocate(class'UserID'));
+        nextID.Initialize(__().text.FromString(voterID8));
+        voterIDs[voterIDs.length] = nextID;
+    }
+    if (voterID9 != "") {
+        nextID = UserID(__().memory.Allocate(class'UserID'));
+        nextID.Initialize(__().text.FromString(voterID9));
+        voterIDs[voterIDs.length] = nextID;
+    }
+    model.UpdatePotentialVoters(voterIDs);
+}
+
+protected static function MakeFaultyYesVote(
+    VotingModel model,
+    string voterID,
+    VotingModel.VotingResult expected) {
+    local UserID id;
+
+    id = UserID(__().memory.Allocate(class'UserID'));
+    id.Initialize(__().text.FromString(voterID));
+    Issue("Illegal vote had unexpected result.");
+    TEST_ExpectTrue(model.CastVote(id, true) == expected);
+}
+
+protected static function MakeFaultyNoVote(
+    VotingModel model,
+    string voterID,
+    VotingModel.VotingResult expected) {
+    local UserID id;
+
+    id = UserID(__().memory.Allocate(class'UserID'));
+    id.Initialize(__().text.FromString(voterID));
+    Issue("Illegal vote had unexpected result.");
+    TEST_ExpectTrue(model.CastVote(id, false) == expected);
+}
+
+protected static function VoteYes(VotingModel model, string voterID, ExpectedOutcome expected) {
+    local UserID id;
+
+    id = UserID(__().memory.Allocate(class'UserID'));
+    id.Initialize(__().text.FromString(voterID));
+    Issue("Failed to add legitimate vote.");
+    TEST_ExpectTrue(model.CastVote(id, true) == VFR_Success);
+    if (expected == TEST_EO_Continue) {
+        Issue("Vote, that shouldn't have ended voting, ended it.");
+        TEST_ExpectTrue(model.GetStatus() == VPM_InProgress);
+    } else if (expected == TEST_EO_End) {
+        Issue("Vote, that should've ended voting with one side's victory, didn't do it.");
+        TEST_ExpectTrue(model.GetStatus() == VPM_Success);
+    }
+}
+
+protected static function VoteNo(VotingModel model, string voterID, ExpectedOutcome expected) {
+    local UserID id;
+
+    id = UserID(__().memory.Allocate(class'UserID'));
+    id.Initialize(__().text.FromString(voterID));
+    Issue("Failed to add legitimate vote.");
+    TEST_ExpectTrue(model.CastVote(id, false) == VFR_Success);
+    if (expected == TEST_EO_Continue) {
+        Issue("Vote, that shouldn't have ended voting, ended it.");
+        TEST_ExpectTrue(model.GetStatus() == VPM_InProgress);
+    } else if (expected == TEST_EO_End) {
+        Issue("Vote, that should've ended voting with one side's victory, didn't do it.");
+        TEST_ExpectTrue(model.GetStatus() == VPM_Failure);
+    }
+}
+
+protected static function TESTS() {
+    Test_VotingModel();
+}
+
+protected static function Test_VotingModel() {
+    SubTest_YesVoting();
+    SubTest_NoVoting();
+    SubTest_FaultyVoting();
+    SubTest_DisconnectVoting_DrawMeansWin();
+    SubTest_DisconnectVoting_DrawMeansLoss();
+    SubTest_ReconnectVoting_DrawMeansWin();
+    SubTest_ReconnectVoting_DrawMeansLoss();
+}
+
+protected static function SubTest_YesVoting() {
+    local VotingModel model;
+
+    Context("Testing \"yes\" voting.");
+    model = MakeVotingModel(true);
+    SetVoters(model, "1", "2", "3", "4", "5", "6");
+    VoteYes(model, "2", TEST_EO_Continue);
+    VoteYes(model, "4", TEST_EO_Continue);
+    VoteNo(model, "6", TEST_EO_Continue);
+    VoteNo(model, "1", TEST_EO_Continue);
+    VoteYes(model, "6", TEST_EO_End);
+
+    model = MakeVotingModel(false);
+    SetVoters(model, "1", "2", "3", "4", "5", "6");
+    VoteYes(model, "2", TEST_EO_Continue);
+    VoteYes(model, "4", TEST_EO_Continue);
+    VoteYes(model, "3", TEST_EO_Continue);
+    VoteNo(model, "6", TEST_EO_Continue);
+    VoteNo(model, "1", TEST_EO_Continue);
+    VoteYes(model, "6", TEST_EO_End);
+}
+
+protected static function SubTest_NoVoting() {
+    local VotingModel model;
+
+    Context("Testing \"no\" voting.");
+    model = MakeVotingModel(true);
+    SetVoters(model, "1", "2", "3", "4", "5", "6");
+    VoteNo(model, "1", TEST_EO_Continue);
+    VoteNo(model, "2", TEST_EO_Continue);
+    VoteNo(model, "6", TEST_EO_Continue);
+    VoteYes(model, "5", TEST_EO_Continue);
+    VoteYes(model, "4", TEST_EO_Continue);
+    VoteNo(model, "5", TEST_EO_End);
+
+    model = MakeVotingModel(false);
+    SetVoters(model, "1", "2", "3", "4", "5", "6");
+    VoteNo(model, "1", TEST_EO_Continue);
+    VoteNo(model, "2", TEST_EO_Continue);
+    VoteYes(model, "5", TEST_EO_Continue);
+    VoteYes(model, "4", TEST_EO_Continue);
+    VoteNo(model, "5", TEST_EO_End);
+}
+
+protected static function SubTest_FaultyVoting() {
+    local VotingModel model;
+
+    Context("Testing \"faulty\" voting.");
+    model = MakeVotingModel(false);
+    SetVoters(model, "1", "2", "3", "4", "5", "6");
+    VoteYes(model, "3", TEST_EO_Continue);
+    VoteYes(model, "5", TEST_EO_Continue);
+    VoteYes(model, "2", TEST_EO_Continue);
+    VoteNo(model, "5", TEST_EO_Continue);
+    VoteYes(model, "1", TEST_EO_Continue);
+    VoteYes(model, "6", TEST_EO_End);
+    MakeFaultyYesVote(model, "4", VFR_VotingEnded); // voting already ended, so no more votes here
+
+    model = MakeVotingModel(true);
+    SetVoters(model, "1", "2", "3", "4", "5", "6");
+    VoteYes(model, "3", TEST_EO_Continue);
+    VoteYes(model, "5", TEST_EO_Continue);
+    VoteNo(model, "5", TEST_EO_Continue);
+    VoteYes(model, "1", TEST_EO_Continue);
+    VoteYes(model, "6", TEST_EO_End);
+    MakeFaultyYesVote(model, "4", VFR_VotingEnded); // voting already ended, so no more votes here
+}
+
+protected static function SubTest_DisconnectVoting_DrawMeansWin() {
+    local VotingModel model;
+
+    Context("Testing \"disconnect\" voting when draw means victory.");
+    model = MakeVotingModel(true);
+    SetVoters(model, "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
+    VoteYes(model, "1", TEST_EO_Continue);
+    VoteYes(model, "2", TEST_EO_Continue);
+    VoteYes(model, "3", TEST_EO_Continue);
+    VoteNo(model, "5", TEST_EO_Continue);
+    VoteYes(model, "5", TEST_EO_Continue);
+    VoteNo(model, "5", TEST_EO_Continue);
+    VoteYes(model, "4", TEST_EO_Continue);
+    VoteNo(model, "6", TEST_EO_Continue);
+    SetVoters(model, "2", "4", "5", "6", "8", "9", "10"); // remove 1, 3, 7 - 2 "yes" votes
+    MakeFaultyNoVote(model, "1", VFR_NotAllowed);
+    VoteNo(model, "8", TEST_EO_Continue);
+    VoteYes(model, "5", TEST_EO_Continue);
+    VoteNo(model, "9", TEST_EO_Continue);
+    // Here we're at 3 "no" votes, 3 "yes" votes out of 7 total;
+    // disconnect "6" and "9" for "yes" to win
+    SetVoters(model, "2", "4", "5", "8", "10");
+    Issue("Unexpected result after voting users disconnected.");
+    TEST_ExpectTrue(model.GetStatus() == VPM_Success);
+}
+
+protected static function SubTest_DisconnectVoting_DrawMeansLoss() {
+    local VotingModel model;
+
+    Context("Testing \"disconnect\" voting when draw means loss.");
+    model = MakeVotingModel(false);
+    SetVoters(model, "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
+    VoteYes(model, "1", TEST_EO_Continue);
+    VoteYes(model, "2", TEST_EO_Continue);
+    VoteYes(model, "6", TEST_EO_Continue);
+    VoteYes(model, "3", TEST_EO_Continue);
+    VoteNo(model, "5", TEST_EO_Continue);
+    VoteYes(model, "5", TEST_EO_Continue);
+    VoteNo(model, "5", TEST_EO_Continue);
+    VoteYes(model, "4", TEST_EO_Continue);
+    VoteNo(model, "6", TEST_EO_Continue);
+    VoteYes(model, "7", TEST_EO_Continue);
+    SetVoters(model, "2", "4", "5", "6", "8", "9", "10"); // remove 1, 3, 7 - 3 "yes" votes
+    MakeFaultyNoVote(model, "1", VFR_NotAllowed);
+    VoteNo(model, "8", TEST_EO_Continue);
+    VoteYes(model, "5", TEST_EO_Continue);
+    VoteNo(model, "9", TEST_EO_Continue);
+    // Here we're at 3 "no" votes, 3 "yes" votes out of 7 total;
+    // disconnect "6" and "9" for "yes" to win
+    SetVoters(model, "2", "4", "5", "8", "10");
+    Issue("Unexpected result after voting users disconnected.");
+    TEST_ExpectTrue(model.GetStatus() == VPM_Success);
+}
+
+protected static function SubTest_ReconnectVoting_DrawMeansWin() {
+    local VotingModel model;
+
+    Context("Testing \"reconnect\" voting when draw means victory.");
+    model = MakeVotingModel(true);
+    SetVoters(model, "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
+    VoteYes(model, "1", TEST_EO_Continue);
+    VoteNo(model, "2", TEST_EO_Continue);
+    VoteYes(model, "3", TEST_EO_Continue);
+    VoteNo(model, "4", TEST_EO_Continue);
+    VoteYes(model, "5", TEST_EO_Continue);
+    VoteNo(model, "6", TEST_EO_Continue);
+    // Disconnect 1 3 "yes" voters
+    SetVoters(model, "2", "4", "5", "6", "7", "8", "9", "10");
+    VoteYes(model, "7", TEST_EO_Continue);
+    VoteNo(model, "8", TEST_EO_Continue);
+    VoteYes(model, "9", TEST_EO_Continue);
+    MakeFaultyNoVote(model, "1", VFR_NotAllowed);
+    MakeFaultyNoVote(model, "3", VFR_NotAllowed);
+    // Restore 3 "yes" voter
+    SetVoters(model, "2", "3", "4", "5", "6", "7", "8", "9", "10");
+    VoteNo(model, "3", TEST_EO_End);
+}
+
+protected static function SubTest_ReconnectVoting_DrawMeansLoss() {
+    local VotingModel model;
+
+    Context("Testing \"reconnect\" voting when draw means loss.");
+    model = MakeVotingModel(false);
+    SetVoters(model, "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
+    VoteYes(model, "1", TEST_EO_Continue);
+    VoteNo(model, "2", TEST_EO_Continue);
+    VoteYes(model, "3", TEST_EO_Continue);
+    VoteNo(model, "4", TEST_EO_Continue);
+    VoteYes(model, "5", TEST_EO_Continue);
+    VoteNo(model, "6", TEST_EO_Continue);
+    // Disconnect 1 3 "yes" voters
+    SetVoters(model, "2", "4", "5", "6", "7", "8", "9", "10");
+    VoteYes(model, "7", TEST_EO_Continue);
+    VoteYes(model, "9", TEST_EO_Continue);
+    MakeFaultyNoVote(model, "1", VFR_NotAllowed);
+    MakeFaultyNoVote(model, "3", VFR_NotAllowed);
+    // Restore 3 "yes" voter
+    SetVoters(model, "2", "3", "4", "5", "6", "7", "8", "9", "10");
+    VoteNo(model, "8", TEST_EO_Continue);
+    VoteNo(model, "3", TEST_EO_End);
+}
+
+defaultproperties {
+    caseGroup = "Commands"
+    caseName = "Voting model"
+}

sources/BaseAPI/API/Commands/Tools/CmdItemsTool.uc

@@ -0,0 +1,306 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class CmdItemsTool extends AcediaObject
+    dependson(CommandAPI)
+    abstract;
+
+//! This is a base class for auxiliary objects that will be used for storing
+//! named [`Command`] instances and [`Voting`] classes: they both have in common
+//! the need to remember who was authorized to use them (i.e. which user group)
+//! and with what permissions (i.e. name of the config that contains appropriate
+//! permissions).
+//!
+//! Aside from trivial accessors to its data, it also provides a way to resolve
+//! the best permissions available to the user by finding the most priviledged
+//! group he belongs to.
+//!
+//! NOTE: child classes must implement `MakeCard()` method and can override
+//! `DiscardCard()` method to catch events of removing items from storage.
+
+/// Allows to specify a base class requirement for this tool - only classes
+/// that were derived from it can be stored inside.
+var protected const class<AcediaObject> ruleBaseClass;
+
+/// Names of user groups that can decide permissions for items,
+/// in order of importance: from most significant to the least significant.
+/// This is used for resolving the best permissions for each user.
+var private array<Text> permissionGroupOrder;
+
+/// Maps item names to their [`ItemCards`] with information about which groups
+/// are authorized to use this particular item.
+var private HashTable registeredCards;
+
+var LoggerAPI.Definition errItemInvalidName;
+var LoggerAPI.Definition errItemDuplicate;
+
+protected function Constructor() {
+    registeredCards = _.collections.EmptyHashTable();
+}
+
+protected function Finalizer() {
+    _.memory.Free(registeredCards);
+    _.memory.FreeMany(permissionGroupOrder);
+    registeredCards = none;
+    permissionGroupOrder.length = 0;
+}
+
+/// Registers given item class under the specified (case-insensitive) name.
+///
+/// If name parameter is omitted (specified as `none`) or is an invalid name
+/// (according to [`BaseText::IsValidName()`] method), then item class will not
+/// be registered.
+///
+/// Returns `true` if item was successfully registered and `false` otherwise`.
+///
+/// # Errors
+///
+/// If provided name that is invalid or already taken by a different item -
+/// a warning will be logged and item class won't be registered.
+public function bool AddItemClass(class<AcediaObject> itemClass, BaseText itemName) {
+    local Text itemKey;
+    local ItemCard newCard, existingCard;
+
+    if (itemClass == none)          return false;
+    if (itemName == none)           return false;
+    if (registeredCards == none)    return false;
+
+    if (ruleBaseClass == none || !ClassIsChildOf(itemClass, ruleBaseClass)) {
+        return false;
+    }
+    // The item name is transformed into lowercase, immutable value.
+    // This facilitates the use of item names as keys in a [`HashTable`],
+    // enabling case-insensitive matching.
+    itemKey = itemName.LowerCopy();
+    if (itemKey == none || !itemKey.IsValidName()) {
+        _.logger.Auto(errItemInvalidName).ArgClass(itemClass).Arg(itemKey);
+        return false;
+    }
+    // Guaranteed to only store cards
+    existingCard = ItemCard(registeredCards.GetItem(itemName));
+    if (existingCard != none) {
+        _.logger.Auto(errItemDuplicate)
+            .ArgClass(existingCard.GetItemClass())
+            .Arg(itemKey)
+            .ArgClass(itemClass);
+        _.memory.Free(existingCard);
+        return false;
+    }
+    newCard = MakeCard(itemClass, itemName);
+    registeredCards.SetItem(itemKey, newCard);
+    _.memory.Free2(itemKey, newCard);
+    return true;
+}
+
+/// Removes item of given class from the list of registered items.
+///
+/// Removing once registered item is not an action that is expected to
+/// be performed under normal circumstances and does not have an efficient
+/// implementation (it is linear on the current amount of items).
+///
+/// Returns `true` if successfully removed registered item class and
+/// `false` otherwise (either item wasn't registered or caller tool
+/// initialized).
+public function bool RemoveItemClass(class<AcediaObject> itemClass) {
+    local int i;
+    local CollectionIterator iter;
+    local ItemCard nextCard;
+    local array<Text> keysToRemove;
+
+    if (itemClass == none)          return false;
+    if (registeredCards == none)    return false;
+
+    // Removing items during iterator breaks an iterator, so first we find
+    // all the keys to remove
+    iter = registeredCards.Iterate();
+    iter.LeaveOnlyNotNone();
+    while (!iter.HasFinished()) {
+        // Guaranteed to only be `ItemCard`
+        nextCard = ItemCard(iter.Get());
+        if (nextCard.GetItemClass() == itemClass) {
+            keysToRemove[keysToRemove.length] = Text(iter.GetKey());
+            DiscardCard(nextCard);
+        }
+        _.memory.Free(nextCard);
+        iter.Next();
+    }
+    iter.FreeSelf();
+    // Actual clean up everything in `keysToRemove`
+    for (i = 0; i < keysToRemove.length; i += 1) {
+        registeredCards.RemoveItem(keysToRemove[i]);
+    }
+    _.memory.FreeMany(keysToRemove);
+    return (keysToRemove.length > 0);
+}
+
+/// Allows to specify the order of the user group in terms of privilege for
+/// accessing stored items. Only specified groups will be used when resolving
+/// appropriate permissions config name for a user.
+public final function SetPermissionGroupOrder(array<Text> groupOrder) {
+    local int i;
+
+    _.memory.FreeMany(permissionGroupOrder);
+    permissionGroupOrder.length = 0;
+    for (i = 0; i < groupOrder.length; i += 1) {
+        if (groupOrder[i] != none) {
+            permissionGroupOrder[permissionGroupOrder.length] = groupOrder[i].Copy();
+        }
+    }
+}
+
+/// Specifies what permissions (given by the config name) given user group has
+/// when using an item with a specified name.
+///
+/// Method must be called after item with a given name is added.
+///
+/// If this config name is specified as `none`, then "default" will be
+/// used instead. For non-`none` values, only an invalid name (according to
+/// [`BaseText::IsValidName()`] method) will prevent the group from being
+/// registered.
+///
+/// Method will return `true` if group was successfully authorized and `false`
+/// otherwise (either group already authorized or no item with specified name
+/// was added in the caller tool so far).
+///
+/// # Errors
+///
+/// If specified group was already authorized to use card's item, then it
+/// will log a warning message about it.
+public function bool AuthorizeUsage(BaseText itemName, BaseText groupName, BaseText configName) {
+    local bool result;
+    local ItemCard relevantCard;
+
+    if (configName != none && !configName.IsValidName()) {
+        return false;
+    }
+    relevantCard = GetCard(itemName);
+    if (relevantCard != none) {
+        result = relevantCard.AuthorizeGroupWithConfig(groupName, configName);
+        _.memory.Free(relevantCard);
+    }
+    return result;
+}
+
+/// Returns struct with item class (+ instance, if one was stored) for a given
+/// case in-sensitive item name and name of the config with best permissions
+/// available to the player with provided ID.
+///
+/// Function only returns `none` for item class if item with a given name
+/// wasn't found.
+/// Config name being `none` with non-`none` item class in the result means
+/// that user with provided ID doesn't have permissions for using the item at
+/// all.
+public final function CommandAPI.ItemConfigInfo ResolveItem(BaseText itemName, BaseText textID) {
+    local int i;
+    local ItemCard relevantCard;
+    local CommandAPI.ItemConfigInfo result;
+
+    relevantCard = GetCard(itemName);
+    if (relevantCard == none) {
+        // At this point contains `none` for all values -> indicates a failure
+        // to find item in storage
+        return result;
+    }
+    result.instance = relevantCard.GetItem();
+    result.class = relevantCard.GetItemClass();
+    if (textID == none) {
+        return result;
+    }
+    // Look through all `permissionGroupOrder` in order to find most priviledged
+    // group that user with `textID` belongs to
+    for (i = 0; i < permissionGroupOrder.length && result.configName == none; i += 1) {
+        if (_.users.IsSteamIDInGroup(textID, permissionGroupOrder[i])) {
+            result.configName = relevantCard.GetConfigNameForGroup(permissionGroupOrder[i]);
+        }
+    }
+    _.memory.Free(relevantCard);
+    return result;
+}
+
+/// Returns all item classes that are stored inside caller tool.
+///
+/// Doesn't check for duplicates (although with a normal usage, there shouldn't
+/// be any).
+public final function array< class<AcediaObject> > GetAllItemClasses() {
+    local array< class<AcediaObject> > result;
+    local ItemCard value;
+    local CollectionIterator iter;
+
+    for (iter = registeredCards.Iterate(); !iter.HasFinished(); iter.Next()) {
+        value = ItemCard(iter.Get());
+        if (value != none) {
+            result[result.length] = value.GetItemClass();
+        }
+        _.memory.Free(value);
+    }
+    iter.FreeSelf();
+    return result;
+}
+
+/// Returns array of names of all available items.
+public final function array<Text> GetItemsNames() {
+    local array<Text> emptyResult;
+
+    if (registeredCards != none) {
+        return registeredCards.GetTextKeys();
+    }
+    return emptyResult;
+}
+
+/// Called each time a new card is to be created and stored.
+///
+/// Must be reimplemented by child classes.
+protected function ItemCard MakeCard(class<AcediaObject> itemClass, BaseText itemName) {
+    return none;
+}
+
+/// Called each time a certain card is to be removed from storage.
+///
+/// Must be reimplemented by child classes
+/// (reimplementations SHOULD NOT DEALLOCATE `toDiscard`).
+protected function DiscardCard(ItemCard toDiscard) {
+}
+
+/// Find item card for the item that was stored with a specified
+/// case-insensitive name
+///
+/// Function only returns `none` if item with a given name wasn't found
+/// (or `none` was provided as an argument).
+protected final function ItemCard GetCard(BaseText itemName) {
+    local Text itemKey;
+    local ItemCard relevantCard;
+
+    if (itemName == none)           return none;
+    if (registeredCards == none)    return none;
+
+    /// The item name is transformed into lowercase, immutable value.
+    /// This facilitates the use of item names as keys in a [`HashTable`],
+    /// enabling case-insensitive matching.
+    itemKey = itemName.LowerCopy();
+    relevantCard = ItemCard(registeredCards.GetItem(itemKey));
+    _.memory.Free(itemKey);
+    return relevantCard;
+}
+
+defaultproperties {
+    errItemInvalidName = (l=LOG_Error,m="Attempt at registering item with class `%1` under an invalid name \"%2\" will be ignored.")
+    errItemDuplicate = (l=LOG_Error,m="Command `%1` is already registered with name '%2'. Attempt at registering command `%3` with the same name will be ignored.")
+}

sources/BaseAPI/API/Commands/Tools/CommandsTool.uc

@@ -0,0 +1,142 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class CommandsTool extends CmdItemsTool;
+
+//! This is a base class for auxiliary objects that will be used for storing
+//! named [`Command`] instances.
+//!
+//! This storage class allows for efficient manipulation and retrieval of
+//! [`Command`]s, along with information about what use groups were authorized
+//! to use them.
+//!
+//! Additionally, this tool allows for efficient fetching of commands that
+//! belong to a particular *command group*.
+
+/// [`HashTable`] that maps a command group name to a set of command names that
+/// belong to it.
+var private HashTable groupedCommands;
+
+protected function Constructor() {
+    super.Constructor();
+    groupedCommands = _.collections.EmptyHashTable();
+}
+
+protected function Finalizer() {
+    super.Finalizer();
+    _.memory.Free(groupedCommands);
+    groupedCommands = none;
+}
+
+/// Returns all known command groups' names.
+public final function array<Text> GetGroupsNames() {
+    local array<Text> emptyResult;
+
+    if (groupedCommands != none) {
+        return groupedCommands.GetTextKeys();
+    }
+    return emptyResult;
+}
+
+/// Returns array of names of all available commands belonging to the specified
+/// group.
+public final function array<Text> GetCommandNamesInGroup(BaseText groupName) {
+    local int i;
+    local ArrayList commandNamesArray;
+    local array<Text> result;
+
+    if (groupedCommands == none)    return result;
+    commandNamesArray = groupedCommands.GetArrayList(groupName);
+    if (commandNamesArray == none)  return result;
+
+    for (i = 0; i < commandNamesArray.GetLength(); i += 1) {
+        result[result.length] = commandNamesArray.GetText(i);
+    }
+    _.memory.Free(commandNamesArray);
+    return result;
+}
+
+protected function ItemCard MakeCard(class<AcediaObject> commandClass, BaseText itemName) {
+    local Command newCommandInstance;
+    local ItemCard newCard;
+    local Text commandGroup;
+
+    if (class<Command>(commandClass) != none) {
+        newCommandInstance = Command(_.memory.Allocate(commandClass, true));
+        newCommandInstance.Initialize(itemName);
+        newCard = ItemCard(_.memory.Allocate(class'ItemCard'));
+        newCard.InitializeWithInstance(newCommandInstance);
+
+        // Guaranteed to be lower case (keys of [`HashTable`])
+        if (itemName != none) {
+            itemName = itemName.LowerCopy();
+        } else {
+            itemName = newCommandInstance.GetPreferredName();
+        }
+        commandGroup = newCommandInstance.GetGroupName();
+        AssociateGroupAndName(commandGroup, itemName);
+        _.memory.Free3(newCommandInstance, itemName, commandGroup);
+    }
+    return newCard;
+}
+
+protected function DiscardCard(ItemCard toDiscard) {
+    local Text groupKey, commandName;
+    local Command storedCommand;
+    local ArrayList listOfCommands;
+
+    if (toDiscard == none)      return;
+    // Guaranteed to store a [`Command`]
+    storedCommand = Command(toDiscard.GetItem());
+    if (storedCommand == none)  return;
+
+    // Guaranteed to be stored in a lower case
+    commandName = storedCommand.GetName();
+    listOfCommands = groupedCommands.GetArrayList(groupKey);
+    if (listOfCommands != none && commandName != none) {
+        listOfCommands.RemoveItem(commandName);
+    }
+    _.memory.Free2(commandName, storedCommand);
+}
+
+// Expect both arguments to be not `none`.
+// Expect both arguments to be lower-case.
+private final function AssociateGroupAndName(BaseText groupKey, BaseText commandName) {
+    local ArrayList listOfCommands;
+
+    if (groupedCommands != none) {
+        listOfCommands = groupedCommands.GetArrayList(groupKey);
+        if (listOfCommands == none) {
+            listOfCommands = _.collections.EmptyArrayList();
+        }
+        if (listOfCommands.Find(commandName) < 0) {
+            // `< 0` means not found
+            listOfCommands.AddItem(commandName);
+        }
+        // Set `listOfCommands` in case we've just created that array.
+        // Won't do anything if it is already recorded there.
+        groupedCommands.SetItem(groupKey, listOfCommands);
+    }
+}
+
+defaultproperties {
+    ruleBaseClass = class'Command';
+}

sources/BaseAPI/API/Commands/Tools/ItemCard.uc

@@ -0,0 +1,177 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class ItemCard extends AcediaObject;
+
+//! Utility class designed for storing either class of an object
+//! (possibly also a specific instance) along with authorization information:
+//! which user groups are allowed to use stored entity and with what level of
+//! permissions (defined by the name of a config with permissions).
+//!
+//! [`ItemCard`] has to be initialized with either [`InitializeWithClass()`] or
+//! [`InitializeWithInstance()`] before it can be used.
+
+/// Class of object that this card describes.
+var private class<AcediaObject> storedClass;
+/// Instance of an object (can also *optionally* be stored in this card)
+var private AcediaObject storedInstance;
+
+/// This [`HashTable`] maps authorized groups to their respective config names.
+///
+/// Each key represents an authorized group, and its corresponding value
+/// indicates the associated config name. If a key has a value of `none`,
+/// the default config (named "default") should be used for that group.
+var private HashTable groupToConfig;
+
+var LoggerAPI.Definition errGroupAlreadyHasConfig;
+
+protected function Finalizer() {
+    _.memory.Free2(storedInstance, groupToConfig);
+    storedInstance = none;
+    storedClass = none;
+    groupToConfig = none;
+}
+
+/// Initializes the caller [`ItemCard`] object with class to be stored.
+///
+/// Initialization can only be done once: once method returned `true`,
+/// all future calls will fail.
+///
+/// Returns `false` if caller was already initialized or `none` is provided as
+/// an argument. Otherwise succeeds and returns `true`.
+public function bool InitializeWithClass(class<AcediaObject> toStore) {
+    if (storedClass != none)    return false;
+    if (toStore == none)        return false;
+
+    storedClass = toStore;
+    groupToConfig = _.collections.EmptyHashTable();
+    return true;
+}
+
+/// Initializes the caller [`ItemCard`] object with an object to be stored.
+///
+/// Initialization can only be done once: once method returned `true`,
+/// all future calls will fail.
+///
+/// Returns `false` caller was already initialized or `none` is provided as
+/// an argument. Otherwise succeeds and returns `true`.
+public function bool InitializeWithInstance(AcediaObject toStore) {
+    if (storedClass != none)    return false;
+    if (toStore == none)        return false;
+
+    storedClass = toStore.class;
+    storedInstance = toStore;
+    storedInstance.NewRef();
+    groupToConfig = _.collections.EmptyHashTable();
+    return true;
+}
+
+/// Authorizes a new group to use the this card's item.
+///
+/// This function allows to specify the config name for a particular user group.
+/// If this config name is skipped (specified as `none`), then "default" will be
+/// used instead.
+///
+/// Function will return `true` if group was successfully authorized and
+/// `false` otherwise (either group already authorized or caller [`ItemCard`]
+/// isn't initialized).
+///
+/// # Errors
+///
+/// If specified group was already authorized to use card's item, then it
+/// will log an error message about it.
+public function bool AuthorizeGroupWithConfig(BaseText groupName, optional BaseText configName) {
+    local Text itemKey;
+    local Text storedConfigName;
+
+    if (storedClass == none)    return false;
+    if (groupToConfig == none)  return false;
+    if (groupName == none)      return false;
+    if (groupName.IsEmpty())    return false;
+
+    /// Make group name immutable and have its characters have a uniform case to
+    /// be usable as case-insensitive keys for [`HashTable`].
+    itemKey = groupName.LowerCopy();
+    storedConfigName = groupToConfig.GetText(itemKey);
+    if (storedConfigName != none) {
+        _.logger.Auto(errGroupAlreadyHasConfig)
+            .ArgClass(storedClass)
+            .Arg(groupName.Copy())
+            .Arg(storedConfigName)
+            .Arg(configName.Copy());
+        _.memory.Free(itemKey);
+        return false;
+    }
+    // We don't actually record "default" value at this point, instead opting
+    // to return "default" in getter functions in case stored `configName`
+    // is `none`.
+    groupToConfig.SetItem(itemKey, configName);
+    _.memory.Free(itemKey);
+    return true;
+}
+
+/// Returns item instance for the caller [`ItemCard`].
+///
+/// Returns `none` iff this card wasn't initialized with an instance.
+public function AcediaObject GetItem() {
+    if (storedInstance != none) {
+        storedInstance.NewRef();
+    }
+    return storedInstance;
+}
+
+/// Returns item class for the caller [`ItemCard`].
+///
+/// Returns `none` iff this card wasn't initialized.
+public function class<AcediaObject> GetItemClass() {
+    return storedClass;
+}
+
+/// Returns the name of config that was authorized for the specified group.
+///
+/// Returns `none` if group wasn't authorized, otherwise guaranteed to
+/// return non-`none` and non-empty `Text` value.
+public function Text GetConfigNameForGroup(BaseText groupName) {
+    local Text groupNameAsKey, result;
+
+    if (storedClass == none)    return none;
+    if (groupToConfig == none)  return none;
+    if (groupName == none)      return none;
+
+    /// Make group name immutable and have its characters a uniform case to
+    /// be usable as case-insensitive keys for [`HashTable`]
+    groupNameAsKey = groupName.LowerCopy();
+    if (groupToConfig.HasKey(groupNameAsKey)) {
+        result = groupToConfig.GetText(groupNameAsKey);
+        if (result == none) {
+            // If we do have specified group recorded as a key, then we must
+            // return non-`none` config name, defaulting to "default" value
+            // if none was provided
+            result = P("default").Copy();
+        }
+    }
+    _.memory.Free(groupNameAsKey);
+    return result;
+}
+
+defaultproperties {
+    errGroupAlreadyHasConfig = (l=LOG_Error,m="Item `%1` is already added to group '%2' with config '%3'. Attempt to add it with config '%4' is ignored.")
+}

sources/BaseAPI/API/Commands/Tools/VotingsTool.uc

@@ -0,0 +1,119 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class VotingsTool extends CmdItemsTool
+    dependson(CommandAPI);
+
+//! This is a base class for auxiliary objects that will be used for storing
+//! named [`Voting`] classes.
+//!
+//! This storage class allows for efficient manipulation and retrieval of
+//! [`Voting`] classes, along with information about what use groups were
+//! authorized to use them.
+//!
+//! Additionally this tool is used to keep track of the currently ongoing
+//! voting, preventing [`CommandsAPI`] from starting several votings at once.
+
+/// Currently running voting process.
+/// This tool doesn't actively track when voting ends, so reference can be
+/// non-`none` even if voting has already ended. Instead `DropFinishedVoting()`
+/// method is used as needed to figure out whether that voting has ended and
+/// should be deallocated.
+var private Voting currentVoting;
+
+protected function Finalizer() {
+    super.Finalizer();
+    _.memory.Free(currentVoting);
+    currentVoting = none;
+}
+
+/// Starts a voting process with a given name, returning its result.
+public final function CommandAPI.StartVotingResult StartVoting(
+    CommandAPI.VotingConfigInfo votingData,
+    HashTable arguments
+) {
+    local CommandAPI.StartVotingResult result;
+    DropFinishedVoting();
+    if (currentVoting != none) {
+        return SVR_AlreadyInProgress;
+    }
+    if (votingData.votingClass == none) {
+        return SVR_UnknownVoting;
+    }
+    currentVoting = Voting(_.memory.Allocate(votingData.votingClass));
+    result = currentVoting.Start(votingData.config, arguments);
+    if (result != SVR_Success) {
+        _.memory.Free(currentVoting);
+        currentVoting = none;
+    }
+    return result;
+}
+
+/// Returns `true` iff some voting is currently active.
+public final function bool IsVotingRunning() {
+    DropFinishedVoting();
+    return (currentVoting != none);
+}
+
+/// Returns instance of the active voting.
+///
+/// `none` iff no voting is currently active.
+public final function Voting GetCurrentVoting() {
+    DropFinishedVoting();
+    if (currentVoting != none) {
+        currentVoting.NewRef();
+    }
+    return currentVoting;
+}
+
+protected function ItemCard MakeCard(class<AcediaObject> votingClass, BaseText itemName) {
+    local ItemCard newCard;
+
+    if (class<Voting>(votingClass) != none) {
+        newCard = ItemCard(_.memory.Allocate(class'ItemCard'));
+        newCard.InitializeWithClass(votingClass);
+    }
+    return newCard;
+}
+
+private final function class<Voting> GetVoting(BaseText itemName) {
+    local ItemCard relevantCard;
+    local class<Voting> result;
+
+    relevantCard = GetCard(itemName);
+    if (relevantCard != none) {
+        result = class<Voting>(relevantCard.GetItemClass());
+    }
+    _.memory.Free(relevantCard);
+    return result;
+}
+
+// Clears `currentVoting` if it has already finished
+private final function DropFinishedVoting() {
+    if (currentVoting != none && currentVoting.HasEnded()) {
+        _.memory.Free(currentVoting);
+        currentVoting = none;
+    }
+}
+
+defaultproperties {
+    ruleBaseClass = class'Voting'
+}

sources/BaseAPI/API/Commands/Voting/TEST_Voting.uc

@@ -1,563 +0,0 @@
-/**
- * Author: dkanus
- * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
- * License: GPL
- * Copyright 2023 Anton Tarasenko
- *------------------------------------------------------------------------------
- * This file is part of Acedia.
- *
- * Acedia is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 3 of the License, or
- * (at your option) any later version.
- *
- * Acedia is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
- */
-class TEST_Voting extends TestCase
-    abstract
-    dependsOn(VotingModel);
-
-enum ExpectedOutcome {
-    TEST_EO_Continue,
-    TEST_EO_End,
-    TEST_EO_EndDraw,
-};
-
-protected static function VotingModel MakeVotingModel(VotingModel.VotingPolicies policies) {
-    local VotingModel model;
-
-    model = VotingModel(__().memory.Allocate(class'VotingModel'));
-    model.Initialize(policies);
-    return model;
-}
-
-protected static function SetVoters(
-    VotingModel model,
-    optional string voterID0,
-    optional string voterID1,
-    optional string voterID2,
-    optional string voterID3,
-    optional string voterID4,
-    optional string voterID5,
-    optional string voterID6,
-    optional string voterID7,
-    optional string voterID8,
-    optional string voterID9
-) {
-    local UserID nextID;
-    local array<UserID> voterIDs;
-
-    if (voterID0 != "") {
-        nextID = UserID(__().memory.Allocate(class'UserID'));
-        nextID.Initialize(__().text.FromString(voterID0));
-        voterIDs[voterIDs.length] = nextID;
-    }
-    if (voterID1 != "") {
-        nextID = UserID(__().memory.Allocate(class'UserID'));
-        nextID.Initialize(__().text.FromString(voterID1));
-        voterIDs[voterIDs.length] = nextID;
-    }
-    if (voterID2 != "") {
-        nextID = UserID(__().memory.Allocate(class'UserID'));
-        nextID.Initialize(__().text.FromString(voterID2));
-        voterIDs[voterIDs.length] = nextID;
-    }
-    if (voterID3 != "") {
-        nextID = UserID(__().memory.Allocate(class'UserID'));
-        nextID.Initialize(__().text.FromString(voterID3));
-        voterIDs[voterIDs.length] = nextID;
-    }
-    if (voterID4 != "") {
-        nextID = UserID(__().memory.Allocate(class'UserID'));
-        nextID.Initialize(__().text.FromString(voterID4));
-        voterIDs[voterIDs.length] = nextID;
-    }
-    if (voterID5 != "") {
-        nextID = UserID(__().memory.Allocate(class'UserID'));
-        nextID.Initialize(__().text.FromString(voterID5));
-        voterIDs[voterIDs.length] = nextID;
-    }
-    if (voterID6 != "") {
-        nextID = UserID(__().memory.Allocate(class'UserID'));
-        nextID.Initialize(__().text.FromString(voterID6));
-        voterIDs[voterIDs.length] = nextID;
-    }
-    if (voterID7 != "") {
-        nextID = UserID(__().memory.Allocate(class'UserID'));
-        nextID.Initialize(__().text.FromString(voterID7));
-        voterIDs[voterIDs.length] = nextID;
-    }
-    if (voterID8 != "") {
-        nextID = UserID(__().memory.Allocate(class'UserID'));
-        nextID.Initialize(__().text.FromString(voterID8));
-        voterIDs[voterIDs.length] = nextID;
-    }
-    if (voterID9 != "") {
-        nextID = UserID(__().memory.Allocate(class'UserID'));
-        nextID.Initialize(__().text.FromString(voterID9));
-        voterIDs[voterIDs.length] = nextID;
-    }
-    model.UpdatePotentialVoters(voterIDs);
-}
-
-protected static function MakeFaultyYesVote(
-    VotingModel model,
-    string voterID,
-    VotingModel.VotingResult expected) {
-    local UserID id;
-
-    id = UserID(__().memory.Allocate(class'UserID'));
-    id.Initialize(__().text.FromString(voterID));
-    Issue("Illegal vote had unexpected result.");
-    TEST_ExpectTrue(model.CastVote(id, true) == expected);
-}
-
-protected static function MakeFaultyNoVote(
-    VotingModel model,
-    string voterID,
-    VotingModel.VotingResult expected) {
-    local UserID id;
-
-    id = UserID(__().memory.Allocate(class'UserID'));
-    id.Initialize(__().text.FromString(voterID));
-    Issue("Illegal vote had unexpected result.");
-    TEST_ExpectTrue(model.CastVote(id, false) == expected);
-}
-
-protected static function VoteYes(VotingModel model, string voterID, ExpectedOutcome expected) {
-    local UserID id;
-
-    id = UserID(__().memory.Allocate(class'UserID'));
-    id.Initialize(__().text.FromString(voterID));
-    Issue("Failed to add legitimate vote.");
-    TEST_ExpectTrue(model.CastVote(id, true) == VFR_Success);
-    if (expected == TEST_EO_Continue) {
-        Issue("Vote, that shouldn't have ended voting, ended it.");
-        TEST_ExpectTrue(model.GetStatus() == VPM_InProgress);
-    } else if (expected == TEST_EO_End) {
-        Issue("Vote, that should've ended voting with one side's victory, didn't do it.");
-        TEST_ExpectTrue(model.GetStatus() == VPM_Success);
-    } else if (expected == TEST_EO_EndDraw) {
-        Issue("Vote, that should've ended voting with a draw, didn't do it.");
-        TEST_ExpectTrue(model.GetStatus() == VPM_Draw);
-    }
-}
-
-protected static function VoteNo(VotingModel model, string voterID, ExpectedOutcome expected) {
-    local UserID id;
-
-    id = UserID(__().memory.Allocate(class'UserID'));
-    id.Initialize(__().text.FromString(voterID));
-    Issue("Failed to add legitimate vote.");
-    TEST_ExpectTrue(model.CastVote(id, false) == VFR_Success);
-    if (expected == TEST_EO_Continue) {
-        Issue("Vote, that shouldn't have ended voting, ended it.");
-        TEST_ExpectTrue(model.GetStatus() == VPM_InProgress);
-    } else if (expected == TEST_EO_End) {
-        Issue("Vote, that should've ended voting with one side's victory, didn't do it.");
-        TEST_ExpectTrue(model.GetStatus() == VPM_Failure);
-    } else if (expected == TEST_EO_EndDraw) {
-        Issue("Vote, that should've ended voting with a draw, didn't do it.");
-        TEST_ExpectTrue(model.GetStatus() == VPM_Draw);
-    }
-}
-
-protected static function TESTS() {
-    Test_RestrictiveVoting();
-    Test_CanLeaveVoting();
-    Test_CanChangeVoting();
-    Test_All();
-}
-
-protected static function Test_RestrictiveVoting() {
-    SubTest_RestrictiveYesVoting();
-    SubTest_RestrictiveNoVoting();
-    SubTest_RestrictiveDrawVoting();
-    SubTest_RestrictiveFaultyVoting();
-    SubTest_RestrictiveDisconnectVoting();
-    SubTest_RestrictiveReconnectVoting();
-}
-
-protected static function SubTest_RestrictiveYesVoting() {
-    local VotingModel model;
-
-    Context("Testing restrictive \"yes\" voting.");
-    model = MakeVotingModel(VP_Restrictive);
-    SetVoters(model, "1", "2", "3", "4", "5", "6");
-    VoteYes(model, "2", TEST_EO_Continue);
-    VoteYes(model, "4", TEST_EO_Continue);
-    VoteYes(model, "3", TEST_EO_Continue);
-    VoteYes(model, "1", TEST_EO_End);
-}
-
-protected static function SubTest_RestrictiveNoVoting() {
-    local VotingModel model;
-
-    Context("Testing restrictive \"no\" voting.");
-    model = MakeVotingModel(VP_Restrictive);
-    SetVoters(model, "1", "2", "3", "4", "5", "6");
-    VoteNo(model, "1", TEST_EO_Continue);
-    VoteNo(model, "2", TEST_EO_Continue);
-    VoteNo(model, "6", TEST_EO_Continue);
-    VoteNo(model, "4", TEST_EO_End);
-}
-
-protected static function SubTest_RestrictiveDrawVoting() {
-    local VotingModel model;
-
-    Context("Testing restrictive \"draw\" voting.");
-    model = MakeVotingModel(VP_Restrictive);
-    SetVoters(model, "1", "2", "3", "4", "5", "6");
-    VoteYes(model, "3", TEST_EO_Continue);
-    VoteYes(model, "2", TEST_EO_Continue);
-    VoteNo(model, "5", TEST_EO_Continue);
-    VoteYes(model, "1", TEST_EO_Continue);
-    VoteNo(model, "6", TEST_EO_Continue);
-    VoteNo(model, "4", TEST_EO_EndDraw);
-}
-
-protected static function SubTest_RestrictiveFaultyVoting() {
-    local VotingModel model;
-
-    Context("Testing restrictive \"faulty\" voting.");
-    model = MakeVotingModel(VP_Restrictive);
-    SetVoters(model, "1", "2", "3", "4", "5", "6");
-    VoteYes(model, "3", TEST_EO_Continue);
-    MakeFaultyYesVote(model, "3", VFR_AlreadyVoted);
-    VoteYes(model, "2", TEST_EO_Continue);
-    MakeFaultyNoVote(model, "7", VFR_NotAllowed);
-    VoteNo(model, "5", TEST_EO_Continue);
-    MakeFaultyNoVote(model, "7", VFR_NotAllowed);
-    MakeFaultyNoVote(model, "5", VFR_AlreadyVoted);
-    VoteYes(model, "1", TEST_EO_Continue);
-    MakeFaultyNoVote(model, "3", VFR_CannotChangeVote);
-    VoteYes(model, "6", TEST_EO_End);
-    MakeFaultyYesVote(model, "4", VFR_VotingEnded);
-}
-
-protected static function SubTest_RestrictiveDisconnectVoting() {
-    local VotingModel model;
-
-    Context("Testing restrictive \"disconnect\" voting.");
-    model = MakeVotingModel(VP_Restrictive);
-    SetVoters(model, "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
-    VoteYes(model, "1", TEST_EO_Continue);
-    VoteYes(model, "2", TEST_EO_Continue);
-    VoteYes(model, "3", TEST_EO_Continue);
-    VoteYes(model, "4", TEST_EO_Continue);
-    VoteNo(model, "5", TEST_EO_Continue);
-    VoteNo(model, "6", TEST_EO_Continue);
-    VoteYes(model, "7", TEST_EO_Continue);
-    SetVoters(model, "2", "4", "5", "6", "8", "9", "10"); // remove 1, 3, 7 - 3 "yes" votes
-    MakeFaultyNoVote(model, "1", VFR_NotAllowed);
-    VoteNo(model, "8", TEST_EO_Continue);
-    VoteYes(model, "9", TEST_EO_Continue);
-    // Here we're at 3 "no" votes, 3 "yes" votes out of 7 total;
-    // disconnect "2" and "9" for "no" to win
-    SetVoters(model, "4", "5", "6", "8", "10");
-    Issue("Unexpected result after voting users disconnected.");
-    TEST_ExpectTrue(model.GetStatus() == VPM_Failure);
-}
-
-protected static function SubTest_RestrictiveReconnectVoting() {
-    local VotingModel model;
-
-    Context("Testing restrictive \"reconnecting\" voting.");
-    model = MakeVotingModel(VP_Restrictive);
-    SetVoters(model, "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
-    VoteYes(model, "1", TEST_EO_Continue);
-    VoteNo(model, "2", TEST_EO_Continue);
-    VoteYes(model, "3", TEST_EO_Continue);
-    VoteNo(model, "4", TEST_EO_Continue);
-    VoteYes(model, "5", TEST_EO_Continue);
-    VoteNo(model, "6", TEST_EO_Continue);
-    // Disconnect 1 3 "yes" voters
-    SetVoters(model, "2", "4", "5", "6", "7", "8", "9", "10");
-    VoteYes(model, "7", TEST_EO_Continue);
-    VoteNo(model, "8", TEST_EO_Continue);
-    VoteYes(model, "9", TEST_EO_Continue);
-    MakeFaultyNoVote(model, "1", VFR_NotAllowed);
-    MakeFaultyNoVote(model, "3", VFR_NotAllowed);
-    SetVoters(model, "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
-    VoteNo(model, "10", TEST_EO_EndDraw);
-}
-/*    Testing restrictive "reconnecting" voting.
-        Unexpected result after voting users reconnected. [1] */
-protected static function Test_CanLeaveVoting() {
-    SubTest_CanLeaveYesVoting();
-    SubTest_CanLeaveNoVoting();
-    SubTest_CanLeaveDrawVoting();
-    SubTest_CanLeaveFaultyVoting();
-    SubTest_CanLeaveDisconnectVoting();
-    SubTest_CanLeaveReconnectVoting();
-}
-
-protected static function SubTest_CanLeaveYesVoting() {
-    local VotingModel model;
-
-    Context("Testing \"yes\" voting where users are allowed to leave.");
-    model = MakeVotingModel(VP_CanLeave);
-    SetVoters(model, "1", "2", "3", "4", "5", "6");
-    VoteYes(model, "2", TEST_EO_Continue);
-    VoteYes(model, "4", TEST_EO_Continue);
-    VoteYes(model, "3", TEST_EO_Continue);
-    SetVoters(model, "1", "5", "6");
-    Issue("Unexpected result after voting users leaves.");
-    TEST_ExpectTrue(model.GetStatus() == VPM_InProgress);
-    VoteYes(model, "1", TEST_EO_End);
-}
-
-protected static function SubTest_CanLeaveNoVoting() {
-    local VotingModel model;
-
-    Context("Testing \"no\" voting where users are allowed to leave.");
-    model = MakeVotingModel(VP_CanLeave);
-    SetVoters(model, "1", "2", "3", "4", "5", "6");
-    VoteNo(model, "1", TEST_EO_Continue);
-    VoteNo(model, "2", TEST_EO_Continue);
-    VoteNo(model, "6", TEST_EO_Continue);
-    SetVoters(model, "3", "4", "5");
-    Issue("Unexpected result after voting users leaves.");
-    TEST_ExpectTrue(model.GetStatus() == VPM_InProgress);
-    VoteNo(model, "4", TEST_EO_End);
-}
-
-protected static function SubTest_CanLeaveDrawVoting() {
-    local VotingModel model;
-
-    Context("Testing \"draw\" voting where users are allowed to leave.");
-    model = MakeVotingModel(VP_CanLeave);
-    SetVoters(model, "1", "2", "3", "4", "5", "6");
-    VoteYes(model, "3", TEST_EO_Continue);
-    VoteYes(model, "2", TEST_EO_Continue);
-    VoteNo(model, "5", TEST_EO_Continue);
-    VoteYes(model, "1", TEST_EO_Continue);
-    VoteNo(model, "6", TEST_EO_Continue);
-    SetVoters(model, "4");
-    Issue("Unexpected result after voting users leaves.");
-    TEST_ExpectTrue(model.GetStatus() == VPM_InProgress);
-    VoteNo(model, "4", TEST_EO_EndDraw);
-}
-
-protected static function SubTest_CanLeaveFaultyVoting() {
-    local VotingModel model;
-
-    Context("Testing \"faulty\" voting where users are allowed to leave.");
-    model = MakeVotingModel(VP_CanLeave);
-    SetVoters(model, "1", "2", "3", "4", "5", "6");
-    VoteYes(model, "3", TEST_EO_Continue);
-    MakeFaultyYesVote(model, "3", VFR_AlreadyVoted);
-    VoteYes(model, "2", TEST_EO_Continue);
-    MakeFaultyNoVote(model, "7", VFR_NotAllowed);
-    VoteNo(model, "5", TEST_EO_Continue);
-    MakeFaultyNoVote(model, "7", VFR_NotAllowed);
-    MakeFaultyNoVote(model, "5", VFR_AlreadyVoted);
-    VoteYes(model, "1", TEST_EO_Continue);
-    MakeFaultyNoVote(model, "3", VFR_CannotChangeVote);
-    SetVoters(model, "4", "5", "6");
-    Issue("Unexpected result after voting users leaves.");
-    TEST_ExpectTrue(model.GetStatus() == VPM_InProgress);
-    VoteYes(model, "6", TEST_EO_End);
-    MakeFaultyYesVote(model, "4", VFR_VotingEnded);
-}
-
-protected static function SubTest_CanLeaveDisconnectVoting() {
-    local VotingModel model;
-
-    Context("Testing \"leave\" voting where users are allowed to leave.");
-    model = MakeVotingModel(VP_CanLeave);
-    SetVoters(model, "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
-    VoteYes(model, "1", TEST_EO_Continue);
-    VoteYes(model, "2", TEST_EO_Continue);
-    VoteYes(model, "3", TEST_EO_Continue);
-    VoteYes(model, "4", TEST_EO_Continue);
-    VoteNo(model, "5", TEST_EO_Continue);
-    VoteNo(model, "6", TEST_EO_Continue);
-    VoteYes(model, "7", TEST_EO_Continue);
-    SetVoters(model, "2", "4", "5", "6", "8", "9", "10");
-    MakeFaultyNoVote(model, "1", VFR_NotAllowed);
-    VoteNo(model, "8", TEST_EO_Continue);
-    VoteYes(model, "10", TEST_EO_End);
-}
-
-protected static function SubTest_CanLeaveReconnectVoting() {
-    local VotingModel model;
-
-    Context("Testing \"reconnecting\" voting where users are allowed to leave.");
-    model = MakeVotingModel(VP_CanLeave);
-    SetVoters(model, "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
-    VoteYes(model, "1", TEST_EO_Continue);
-    VoteNo(model, "2", TEST_EO_Continue);
-    VoteYes(model, "3", TEST_EO_Continue);
-    VoteNo(model, "4", TEST_EO_Continue);
-    VoteYes(model, "5", TEST_EO_Continue);
-    VoteNo(model, "6", TEST_EO_Continue);
-    // Disconnect 1 3 "yes" voters
-    SetVoters(model, "2", "4", "5", "6", "7", "8", "9", "10");
-    VoteYes(model, "7", TEST_EO_Continue);
-    VoteNo(model, "8", TEST_EO_Continue);
-    VoteNo(model, "9", TEST_EO_Continue);
-    MakeFaultyNoVote(model, "1", VFR_NotAllowed);
-    MakeFaultyNoVote(model, "3", VFR_NotAllowed);
-    VoteYes(model, "10", TEST_EO_EndDraw);
-}
-
-protected static function Test_CanChangeVoting() {
-    SubTest_CanChangeYesVoting();
-    SubTest_CanChangeNoVoting();
-    SubTest_CanChangeDrawVoting();
-    SubTest_CanChangeFaultyVoting();
-    SubTest_CanChangeDisconnectVoting();
-    SubTest_CanChangeReconnectVoting();
-}
-
-protected static function SubTest_CanChangeYesVoting() {
-    local VotingModel model;
-
-    Context("Testing \"yes\" voting where users are allowed to change their vote.");
-    model = MakeVotingModel(VP_CanChangeVote);
-    SetVoters(model, "1", "2", "3", "4", "5", "6");
-    VoteYes(model, "2", TEST_EO_Continue);
-    VoteYes(model, "4", TEST_EO_Continue);
-    VoteYes(model, "3", TEST_EO_Continue);
-    VoteNo(model, "6", TEST_EO_Continue);
-    VoteNo(model, "1", TEST_EO_Continue);
-    VoteYes(model, "6", TEST_EO_End);
-}
-
-protected static function SubTest_CanChangeNoVoting() {
-    local VotingModel model;
-
-    Context("Testing \"no\" voting where users are allowed to change their vote.");
-    model = MakeVotingModel(VP_CanChangeVote);
-    SetVoters(model, "1", "2", "3", "4", "5", "6");
-    VoteNo(model, "1", TEST_EO_Continue);
-    VoteNo(model, "2", TEST_EO_Continue);
-    VoteNo(model, "6", TEST_EO_Continue);
-    VoteYes(model, "5", TEST_EO_Continue);
-    VoteYes(model, "4", TEST_EO_Continue);
-    VoteNo(model, "5", TEST_EO_End);
-}
-
-protected static function SubTest_CanChangeDrawVoting() {
-    local VotingModel model;
-
-    Context("Testing \"draw\" voting where users are allowed to change their vote.");
-    model = MakeVotingModel(VP_CanChangeVote);
-    SetVoters(model, "1", "2", "3", "4", "5", "6");
-    VoteYes(model, "3", TEST_EO_Continue);
-    VoteYes(model, "2", TEST_EO_Continue);
-    VoteNo(model, "5", TEST_EO_Continue);
-    VoteYes(model, "1", TEST_EO_Continue);
-    VoteNo(model, "1", TEST_EO_Continue);
-    VoteYes(model, "1", TEST_EO_Continue);
-    VoteNo(model, "6", TEST_EO_Continue);
-    VoteNo(model, "4", TEST_EO_EndDraw);
-}
-protected static function SubTest_CanChangeFaultyVoting() {
-    local VotingModel model;
-
-    Context("Testing \"faulty\" voting where users are allowed to change their vote.");
-    model = MakeVotingModel(VP_CanChangeVote);
-    SetVoters(model, "1", "2", "3", "4", "5", "6");
-    VoteYes(model, "3", TEST_EO_Continue);
-    VoteYes(model, "5", TEST_EO_Continue);
-    VoteYes(model, "2", TEST_EO_Continue);
-    VoteNo(model, "5", TEST_EO_Continue);
-    VoteYes(model, "1", TEST_EO_Continue);
-    VoteYes(model, "6", TEST_EO_End);
-    MakeFaultyYesVote(model, "4", VFR_VotingEnded);
-}
-
-protected static function SubTest_CanChangeDisconnectVoting() {
-    local VotingModel model;
-
-    Context("Testing \"disconnect\" voting where users are allowed to change their vote.");
-    model = MakeVotingModel(VP_CanChangeVote);
-    SetVoters(model, "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
-    VoteYes(model, "1", TEST_EO_Continue);
-    VoteYes(model, "2", TEST_EO_Continue);
-    VoteYes(model, "6", TEST_EO_Continue);
-    VoteYes(model, "3", TEST_EO_Continue);
-    VoteNo(model, "5", TEST_EO_Continue);
-    VoteYes(model, "5", TEST_EO_Continue);
-    VoteNo(model, "5", TEST_EO_Continue);
-    VoteYes(model, "4", TEST_EO_Continue);
-    VoteNo(model, "6", TEST_EO_Continue);
-    VoteYes(model, "7", TEST_EO_Continue);
-    SetVoters(model, "2", "4", "5", "6", "8", "9", "10"); // remove 1, 3, 7 - 3 "yes" votes
-    MakeFaultyNoVote(model, "1", VFR_NotAllowed);
-    VoteNo(model, "8", TEST_EO_Continue);
-    VoteYes(model, "5", TEST_EO_Continue);
-    VoteNo(model, "9", TEST_EO_Continue);
-    // Here we're at 3 "no" votes, 3 "yes" votes out of 7 total;
-    // disconnect "6" and "9" for "yes" to win
-    SetVoters(model, "2", "4", "5", "8", "10");
-    Issue("Unexpected result after voting users disconnected.");
-    TEST_ExpectTrue(model.GetStatus() == VPM_Success);
-}
-
-protected static function SubTest_CanChangeReconnectVoting() {
-    local VotingModel model;
-
-    Context("Testing \"reconnect\" voting where users are allowed to change their vote.");
-    model = MakeVotingModel(VP_CanChangeVote);
-    SetVoters(model, "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
-    VoteYes(model, "1", TEST_EO_Continue);
-    VoteNo(model, "2", TEST_EO_Continue);
-    VoteYes(model, "3", TEST_EO_Continue);
-    VoteNo(model, "4", TEST_EO_Continue);
-    VoteYes(model, "5", TEST_EO_Continue);
-    VoteNo(model, "6", TEST_EO_Continue);
-    // Disconnect 1 3 "yes" voters
-    SetVoters(model, "2", "4", "5", "6", "7", "8", "9", "10");
-    VoteYes(model, "7", TEST_EO_Continue);
-    VoteNo(model, "8", TEST_EO_Continue);
-    VoteYes(model, "9", TEST_EO_Continue);
-    MakeFaultyNoVote(model, "1", VFR_NotAllowed);
-    MakeFaultyNoVote(model, "3", VFR_NotAllowed);
-    // Restore 3 "yes" voter
-    SetVoters(model, "2", "3", "4", "5", "6", "7", "8", "9", "10");
-    VoteNo(model, "3", TEST_EO_End);
-}
-
-protected static function Test_All() {
-    local VotingModel model;
-
-    Context("Testing permissive voting options.");
-    model = MakeVotingModel(VP_CanLeaveAndChangeVote);
-    SetVoters(model, "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
-    VoteYes(model, "1", TEST_EO_Continue);
-    VoteYes(model, "2", TEST_EO_Continue);
-    VoteNo(model, "3", TEST_EO_Continue);
-    VoteYes(model, "4", TEST_EO_Continue);
-    VoteNo(model, "5", TEST_EO_Continue);
-    VoteNo(model, "6", TEST_EO_Continue);
-    // Disconnect 1 and 5 voters
-    SetVoters(model, "2", "3", "4", "6", "7", "8", "9", "10");
-    MakeFaultyNoVote(model, "1", VFR_NotAllowed);
-    MakeFaultyNoVote(model, "5", VFR_NotAllowed);
-    VoteYes(model, "3", TEST_EO_Continue);
-    VoteNo(model, "7", TEST_EO_Continue);
-    VoteNo(model, "8", TEST_EO_Continue);
-    VoteNo(model, "9", TEST_EO_Continue);
-    // Bring back 1, disconnect 3 and 6
-    SetVoters(model, "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
-    VoteYes(model, "8", TEST_EO_Continue);
-    VoteNo(model, "4", TEST_EO_Continue);
-    // Disconnect 10, finishing voting (since now only 9 voters are available)
-    SetVoters(model, "1", "2", "3", "4", "5", "6", "7", "8", "9");
-    Issue("Unexpected result after voting users disconnected.");
-    TEST_ExpectTrue(model.GetStatus() == VPM_Failure);
-}
-
-defaultproperties {
-    caseGroup = "Commands"
-    caseName = "Voting model"
-}

sources/BaseAPI/API/Commands/Voting/VotingModel.uc

@@ -19,50 +19,30 @@
  * You should have received a copy of the GNU General Public License
  * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
  */
-class VotingModel extends AcediaObject;
+class VotingModel extends AcediaObject
+    dependsOn(MathApi);
 
 //! This class counts votes according to the configured voting policies.
 //!
-//! Its main purpose is to separate the voting logic from the voting interface, making
+//! Its main purpose is to separate the voting logic from the voting interface,
-//! the implementation simpler and the logic easier to test.
+//! making the implementation simpler and the logic easier to test.
 //!
 //! # Usage
 //!
 //! 1. Allocate an instance of the [`VotingModel`] class.
-//! 2. Call [`Initialize()`] to set the required policies.
+//! 2. Call [`Start()`] to start voting with required policies.
 //! 3. Use [`UpdatePotentialVoters()`] to specify which users are allowed to vote.
-//!     You can change this set at any time. The method used to recount the votes will depend on
+//!     You can change this set at any time before the voting has concluded.
-//!     the policies set during the previous [`Initialize()`] call.
+//!     The method used to recount the votes will depend on the policies set
+//!     during the previous [`Initialize()`] call.
 //! 4. Use [`CastVote()`] to add a vote from a user.
-//! 5. After calling either [`UpdatePotentialVoters()`] or [`CastVote()`], check [`GetStatus()`] to
+//! 5. After calling either [`UpdatePotentialVoters()`] or [`CastVote()`],
-//!     see if the voting has concluded.
+//!     check [`GetStatus()`] to see if the voting has concluded.
-//!     Once voting has concluded, the result cannot be changed, so you can release the reference
+//!     Once voting has concluded, the result cannot be changed, so you can
-//!     to the [`VotingModel`] object.
+//!     release the reference to the [`VotingModel`] object.
-
+//! 6. Alternatively, before voting has concluded naturally, you can use
-/// Describes how [`VotingModel`] should react when a user performs potentially illegal actions.
+//!     [`ForceEnding()`] method to immediately end voting with result being
-///
+//!     determined by provided [`ForceEndingType`] argument.
-/// Illegal here means that either corresponding operation won't be permitted or any vote made
-/// would be considered invalid.
-///
-/// Leaving means simply no longer being in a potential pool of voters, which includes actually
-/// leaving the game and simply losing rights to vote.
-enum VotingPolicies {
-    /// Anything that can be considered illegal actions is prohibited.
-    ///
-    /// Leaving (or losing rights to vote) during voting will make a vote invalid.
-    ///
-    /// Changing vote is forbidden.
-    VP_Restrictive,
-    /// Leaving during voting is allowed. Changing a vote is not allowed.
-    VP_CanLeave,
-    /// Changing one's vote is allowed. If a user leaves during voting, their vote will be invalid.
-    VP_CanChangeVote,
-    /// Leaving during voting and changing a vote is allowed. Leaving means losing rights to vote.
-    ///
-    /// Currently, this policy allows all available options, but this may change in the future if
-    /// more options are added.
-    VP_CanLeaveAndChangeVote
-};
 
 /// Current state of voting for this model.
 enum VotingModelStatus {
@@ -73,9 +53,7 @@ enum VotingModelStatus {
     /// Voting has ended with majority for its success
     VPM_Success,
     /// Voting has ended with majority for its failure
-    VPM_Failure,
+    VPM_Failure
-    /// Voting has ended in a draw
-    VPM_Draw
 };
 
 /// A result of user trying to make a vote
@@ -102,9 +80,20 @@ enum PlayerVoteStatus {
     PVS_VoteAgainst
 };
 
+/// Types of possible outcomes when forcing a voting to end
+enum ForceEndingType {
+    /// Result will be decided by the votes that already have been cast
+    FET_CurrentLeader,
+    /// Voting will end in success
+    FET_Success,
+    /// Voting will end in failure
+    FET_Failure
+};
+
 var private VotingModelStatus status;
 
-var private bool policyCanLeave, policyCanChangeVote;
+/// Specifies whether draw would count as a victory for corresponding voting.
+var private bool policyDrawWinsVoting;
 
 var private array<UserID> votesFor, votesAgainst;
 /// Votes of people that voted before, but then were forbidden to vote
@@ -115,8 +104,6 @@ var private array<UserID> allowedVoters;
 
 protected function Constructor() {
     status = VPM_Uninitialized;
-    policyCanLeave = false;
-    policyCanChangeVote = false;
 }
 
 protected function Finalizer() {
@@ -133,35 +120,42 @@ protected function Finalizer() {
 }
 
 /// Initializes voting by providing it with a set of policies to follow.
-public final function Initialize(VotingPolicies policies) {
+///
-    if (status == VPM_Uninitialized) {
+/// The only available policy is configuring whether draw means victory or loss
-        policyCanLeave = (policies == VP_CanLeave) || (policies == VP_CanLeaveAndChangeVote);
+/// in voting.
-        policyCanChangeVote =
+///
-            (policies == VP_CanChangeVote) || (policies == VP_CanLeaveAndChangeVote);
+/// Can only be called once, after that will do nothing.
+public final function Start(bool drawWinsVoting) {
+    if (status != VPM_Uninitialized) {
+        return;
     }
+    policyDrawWinsVoting = drawWinsVoting;
     status = VPM_InProgress;
 }
 
 /// Returns whether voting has already concluded.
 ///
-/// This method should be checked after both [`CastVote()`] and [`UpdatePotentialVoters()`] to check
+/// This method should be checked after both [`CastVote()`] and
-/// whether either of them was enough to conclude the voting result.
+/// [`UpdatePotentialVoters()`] to check whether either of them was enough to
+/// conclude the voting result.
 public final function bool HasEnded() {
     return (status != VPM_Uninitialized && status != VPM_InProgress);
 }
 
 /// Returns current status of voting.
 ///
-/// This method should be checked after both [`CastVote()`] and [`UpdatePotentialVoters()`] to check
+/// This method should be checked after both [`CastVote()`] and
-/// whether either of them was enough to conclude the voting result.
+/// [`UpdatePotentialVoters()`] to check whether either of them was enough to
+/// conclude the voting result.
 public final function VotingModelStatus GetStatus() {
     return status;
 }
 
 /// Changes set of [`User`]s that are allowed to vote.
 ///
-/// Generally you want to provide this method with a list of current players, optionally filtered
+/// Generally you want to provide this method with a list of current players,
-/// from spectators, users not in priviledged group or any other relevant criteria.
+/// optionally filtered from spectators, users not in priviledged group or any
+/// other relevant criteria.
 public final function UpdatePotentialVoters(array<UserID> potentialVoters) {
     local int i;
 
@@ -178,8 +172,7 @@ public final function UpdatePotentialVoters(array<UserID> potentialVoters) {
 
 /// Attempts to add a vote  from specified user.
 ///
-/// Adding a vote can fail if [`voter`] isn't allowed to vote or has already voted and policies
+/// Adding a vote can fail if [`voter`] isn't allowed to vote.
-/// forbid changing that vote.
 public final function VotingResult CastVote(UserID voter, bool voteForSuccess) {
     local bool votesSameWay;
     local PlayerVoteStatus currentVote;
@@ -190,15 +183,12 @@ public final function VotingResult CastVote(UserID voter, bool voteForSuccess) {
     if (!IsVotingAllowedFor(voter)) {
         return VFR_NotAllowed;
     }
-    currentVote = HasVoted(voter);
+    currentVote = GetVote(voter);
     votesSameWay = (voteForSuccess && currentVote == PVS_VoteFor)
         || (!voteForSuccess && currentVote == PVS_VoteAgainst);
     if (votesSameWay) {
         return VFR_AlreadyVoted;
     }
-    if (!policyCanChangeVote && currentVote != PVS_NoVote) {
-        return VFR_CannotChangeVote;
-    }
     EraseVote(voter);
     voter.NewRef();
     if (voteForSuccess) {
@@ -210,12 +200,11 @@ public final function VotingResult CastVote(UserID voter, bool voteForSuccess) {
     return VFR_Success;
 }
 
-/// Checks if the provided user is allowed to vote based on the current list of potential voters.
+/// Checks if the provided user is allowed to vote based on the current list of
+/// potential voters.
 ///
-/// The right to vote is decided solely by the list of potential voters set using
+/// The right to vote is decided solely by the list of potential voters set
-/// [`UpdatePotentialVoters()`].
+/// using [`UpdatePotentialVoters()`].
-/// However, even if a user is on the list of potential voters, they may not be allowed to vote if
-/// they have already cast a vote and the voting policies do not allow vote changes.
 ///
 /// Returns true if the user is allowed to vote, false otherwise.
 public final function bool IsVotingAllowedFor(UserID voter) {
@@ -234,9 +223,8 @@ public final function bool IsVotingAllowedFor(UserID voter) {
 
 /// Returns the current vote status for the given voter.
 ///
-/// If the voter was previously allowed to vote, voted, and had their right to vote revoked, their
+/// If the voter was previously allowed to vote, voted, and had their right to
-/// vote will only count if policies allow voters to leave mid-vote.
+/// vote revoked, their vote won't count.
-/// Otherwise, the method will return [`PVS_NoVote`].
 public final function PlayerVoteStatus GetVote(UserID voter) {
     local int i;
 
@@ -253,95 +241,100 @@ public final function PlayerVoteStatus GetVote(UserID voter) {
             return PVS_VoteAgainst;
         }
     }
-    if (policyCanLeave) {
-        for (i = 0; i < storedVotesFor.length; i += 1) {
-            if (voter.IsEqual(storedVotesFor[i])) {
-                return PVS_VoteFor;
-            }
-        }
-        for (i = 0; i < storedVotesAgainst.length; i += 1) {
-            if (voter.IsEqual(storedVotesAgainst[i])) {
-                return PVS_VoteAgainst;
-            }
-        }
-    }
     return PVS_NoVote;
 }
 
 /// Returns amount of current valid votes for the success of this voting.
 public final function int GetVotesFor() {
-    if (policyCanLeave) {
+    return votesFor.length;
-        return votesFor.length + storedVotesFor.length;
-    } else {
-        return votesFor.length;
-    }
 }
 
 /// Returns amount of current valid votes against the success of this voting.
 public final function int GetVotesAgainst() {
-    if (policyCanLeave) {
+    return votesAgainst.length;
-        return votesAgainst.length + storedVotesAgainst.length;
-    } else {
-        return votesAgainst.length;
-    }
 }
 
 /// Returns amount of users that are currently allowed to vote in this voting.
 public final function int GetTotalPossibleVotes() {
-    if (policyCanLeave) {
+    return allowedVoters.length;
-        return allowedVoters.length + storedVotesFor.length + storedVotesAgainst.length;
-    } else {
-        return allowedVoters.length;
-    }
 }
 
-// Checks if provided user has already voted.
+/// Checks whether, if stopped now, voting will win.
-// Only checks among users that are currently allowed to vote, even if their past vote still counts.
+public final function bool IsVotingWinning() {
-private final function PlayerVoteStatus HasVoted(UserID voter) {
+    if (status == VPM_Success)              return true;
-    local int i;
+    if (status == VPM_Failure)              return false;
+    if (GetVotesFor() > GetVotesAgainst())  return true;
+    if (GetVotesFor() < GetVotesAgainst())  return false;
 
-    if (voter == none) {
+    return policyDrawWinsVoting;
-        return PVS_NoVote;
+}
-    }
+
-    for (i = 0; i < votesFor.length; i += 1) {
+/// Forcibly ends the voting, deciding winner depending on the argument.
-        if (voter.IsEqual(votesFor[i])) {
+///
-            return PVS_VoteFor;
+/// Only does anything if voting is currently in progress
-        }
+/// (in `VPM_InProgress` state).
+///
+/// By default decides result by the votes that already have been cast.
+///
+/// Returns `true` only if voting was actually ended with this call.
+public final function bool ForceEnding(optional ForceEndingType type) {
+    if (status != VPM_InProgress) {
+        return false;
     }
-    for (i = 0; i < votesAgainst.length; i += 1) {
+    switch (type) {
-        if (voter.IsEqual(votesAgainst[i])) {
+        case FET_CurrentLeader:
-            return PVS_VoteAgainst;
+            if (IsVotingWinning()) {
-        }
+                status = VPM_Success;
+            } else {
+                status = VPM_Failure;
+            }
+            break;
+        case FET_Success:
+            status = VPM_Success;
+            break;
+        case FET_Failure:
+        default:
+            status = VPM_Failure;
+            break;
     }
-    return PVS_NoVote;
+    return true;
 }
 
 private final function RecountVotes() {
-    local bool canOverturn, everyoneVoted;
+    local MathApi.IntegerDivisionResult divisionResult;
+    local int winningScore, losingScore;
     local int totalPossibleVotes;
-    local int totalVotesFor, totalVotesAgainst;
-    local int lowerVoteCount, upperVoteCount, undecidedVoteCount;
 
     if (status != VPM_InProgress) {
         return;
     }
-    totalVotesFor = GetVotesFor();
-    totalVotesAgainst = GetVotesAgainst();
     totalPossibleVotes = GetTotalPossibleVotes();
-    lowerVoteCount = Min(totalVotesFor, totalVotesAgainst);
+    divisionResult = _.math.IntegerDivision(totalPossibleVotes, 2);
-    upperVoteCount = Max(totalVotesFor, totalVotesAgainst);
+    if (divisionResult.remainder == 1) {
-    undecidedVoteCount = totalPossibleVotes - (lowerVoteCount + upperVoteCount);
+        // For odd amount of voters winning is simply majority
-    everyoneVoted = (undecidedVoteCount <= 0);
+        winningScore = divisionResult.quotient + 1;
-    canOverturn = lowerVoteCount + undecidedVoteCount >= upperVoteCount;
+    } else {
-    if (everyoneVoted || !canOverturn) {
+        if (policyDrawWinsVoting) {
-        if (totalVotesFor > totalVotesAgainst) {
+            // For even amount of voters, exactly half is enough if draw means victory
-            status = VPM_Success;
+            winningScore = divisionResult.quotient;
-        } else if (totalVotesFor < totalVotesAgainst) {
-            status = VPM_Failure;
         } else {
-            status = VPM_Draw;
+            // Otherwise - majority
+            winningScore = divisionResult.quotient + 1;
         }
     }
+    // The `winningScore` represents the number of votes required for a mean victory.
+    // If the number of votes against the mean is less than or equal to
+    // `totalPossibleVotes - winningScore`, then victory is still possible.
+    // However, if there is even one additional vote against, then victory is no longer achievable 
+    // and a loss is inevitable.
+    losingScore = (totalPossibleVotes - winningScore) + 1;
+    // `totalPossibleVotes < losingScore + winningScore`, so only one of these inequalities
+    // can be satisfied at a time
+    if (GetVotesFor() >= winningScore) {
+        status = VPM_Success;
+    } else if (GetVotesAgainst() >= losingScore) {
+        status = VPM_Failure;
+    }
 }
 
 private final function EraseVote(UserID voter) {

sources/BaseAPI/API/Commands/Voting/VotingPermissions.uc

@@ -0,0 +1,132 @@
+/**
+ * Author: dkanus
+ * Home repo: https://www.insultplayers.ru/git/AcediaFramework/AcediaCore
+ * License: GPL
+ * Copyright 2021-2023 Anton Tarasenko
+ *------------------------------------------------------------------------------
+ * This file is part of Acedia.
+ *
+ * Acedia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Acedia is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
+ */
+class VotingPermissions extends AcediaConfig
+    perobjectconfig
+    config(AcediaCommands);
+
+/// Determines the duration of the voting period, specified in seconds.
+/// Zero or negative values mean unlimited voting period.
+var public config float votingTime;
+
+/// Determines whether spectators are allowed to vote.
+var public config bool allowSpectatorVoting;
+/// Determines how draw will be interpreted.
+/// `true` means draw counts as a vote's success, `false` means draw counts as a vote's failure.
+var public config bool drawEqualsSuccess;
+/// Specifies which group(s) of players are allowed to see who makes what vote.
+var public config array<string> allowedToVoteGroup;
+/// Specifies which group(s) of players are allowed to see who makes what vote.
+var public config array<string> allowedToSeeVotesGroup;
+/// Specifies which group(s) of players are allowed to forcibly end voting.
+var public config array<string> allowedToForceGroup;
+
+protected function HashTable ToData() {
+    local int i;
+    local HashTable data;
+    local ArrayList arrayOfTexts;
+
+    data = __().collections.EmptyHashTable();
+    data.SetFloat(P("votingTime"), votingTime);
+    data.SetBool(P("allowSpectatorVoting"), allowSpectatorVoting);
+    data.SetBool(P("drawEqualsSuccess"), drawEqualsSuccess);
+
+    arrayOfTexts = _.collections.EmptyArrayList();
+    for (i = 0; i < allowedToVoteGroup.length; i += 1) {
+        arrayOfTexts.AddString(allowedToVoteGroup[i]);
+    }
+    data.SetItem(P("allowedToVoteGroup"), arrayOfTexts);
+    _.memory.Free(arrayOfTexts);
+
+    arrayOfTexts = _.collections.EmptyArrayList();
+    for (i = 0; i < allowedToSeeVotesGroup.length; i += 1) {
+        arrayOfTexts.AddString(allowedToSeeVotesGroup[i]);
+    }
+    data.SetItem(P("allowedToSeeVotesGroup"), arrayOfTexts);
+    _.memory.Free(arrayOfTexts);
+
+    arrayOfTexts = _.collections.EmptyArrayList();
+    for (i = 0; i < allowedToForceGroup.length; i += 1) {
+        arrayOfTexts.AddString(allowedToForceGroup[i]);
+    }
+    data.SetItem(P("allowedToForceGroup"), arrayOfTexts);
+    _.memory.Free(arrayOfTexts);
+    return data;
+}
+
+protected function FromData(HashTable source) {
+    local int i;
+    local ArrayList arrayOfTexts;
+
+    if (source == none) {
+        return;
+    }
+    votingTime = source.GetFloat(P("votingTime"), 30.0);
+    allowSpectatorVoting = source.GetBool(P("allowSpectatorVoting"), false);
+    drawEqualsSuccess = source.GetBool(P("drawEqualsSuccess"), false);
+
+    allowedToVoteGroup.length = 0;
+    arrayOfTexts = source.GetArrayList(P("allowedToVoteGroup"));
+    for (i = 0; i < arrayOfTexts.GetLength(); i += 1) {
+        allowedToVoteGroup[allowedToVoteGroup.length] = arrayOfTexts.GetString(i);
+    }
+
+    allowedToSeeVotesGroup.length = 0;
+    arrayOfTexts = source.GetArrayList(P("allowedToSeeVotesGroup"));
+    for (i = 0; i < arrayOfTexts.GetLength(); i += 1) {
+        allowedToSeeVotesGroup[allowedToSeeVotesGroup.length] = arrayOfTexts.GetString(i);
+    }
+    _.memory.Free(arrayOfTexts);
+
+    allowedToForceGroup.length = 0;
+    arrayOfTexts = source.GetArrayList(P("allowedToForceGroup"));
+    for (i = 0; i < arrayOfTexts.GetLength(); i += 1) {
+        allowedToForceGroup[allowedToForceGroup.length] = arrayOfTexts.GetString(i);
+    }
+    _.memory.Free(arrayOfTexts);
+}
+
+protected function DefaultIt() {
+    votingTime = 30.0;
+    drawEqualsSuccess = false;
+    allowSpectatorVoting = false;
+
+    allowedToVoteGroup.length = 0;
+    allowedToSeeVotesGroup.length = 0;
+    allowedToForceGroup.length = 0;
+
+    allowedToVoteGroup[0] = "all";
+    allowedToSeeVotesGroup[0] = "all";
+    allowedToForceGroup[0] = "admin";
+    allowedToForceGroup[1] = "moderator";
+}
+
+defaultproperties {
+    configName = "AcediaCommands"
+    supportsDataConversion = true
+    votingTime = 30.0
+    drawEqualsSuccess = false
+    allowSpectatorVoting = false
+    allowedToVoteGroup(0) = "all"
+    allowedToSeeVotesGroup(0) = "all"
+    allowedToForceGroup(0) = "admin"
+    allowedToForceGroup(1) = "moderator"
+}

sources/BaseAPI/API/Commands/Voting/VotingSettings.uc

@@ -1,75 +0,0 @@
-class VotingSettings extends FeatureConfig
-    perobjectconfig
-    config(AcediaVoting);
-
-/// Determines the duration of the voting period, specified in seconds.
-var public config float votingTime;
-
-/// Determines whether spectators are allowed to vote.
-var public config bool allowSpectatorVoting;
-/// Specifies which group(s) of players are allowed to see who makes what vote.
-var public config array<string> allowedToSeeVotesGroup;
-/// Specifies which group(s) of players are allowed to vote.
-var public config array<string> allowedToVoteGroup;
-
-protected function HashTable ToData() {
-    local int i;
-    local HashTable data;
-    local ArrayList arrayOfTexts;
-
-    data = __().collections.EmptyHashTable();
-    data.SetFloat(P("votingTime"), votingTime);
-    data.SetBool(P("allowSpectatorVoting"), allowSpectatorVoting);
-
-    arrayOfTexts = _.collections.EmptyArrayList();
-    for (i = 0; i < allowedToSeeVotesGroup.length; i += 1) {
-        arrayOfTexts.AddString(allowedToSeeVotesGroup[i]);
-    }
-    data.SetItem(P("allowedToSeeVotesGroup"), arrayOfTexts);
-    _.memory.Free(arrayOfTexts);
-
-    arrayOfTexts = _.collections.EmptyArrayList();
-    for (i = 0; i < allowedToVoteGroup.length; i += 1) {
-        arrayOfTexts.AddString(allowedToVoteGroup[i]);
-    }
-    data.SetItem(P("allowedToVoteGroup"), arrayOfTexts);
-    _.memory.Free(arrayOfTexts);
-    return data;
-}
-
-protected function FromData(HashTable source) {
-    local int i;
-    local ArrayList arrayOfTexts;
-
-    if (source == none) {
-        return;
-    }
-    votingTime = source.GetFloat(P("votingTime"), 30.0);
-    allowSpectatorVoting = source.GetBool(P("allowSpectatorVoting"), false);
-
-    allowedToSeeVotesGroup.length = 0;
-    arrayOfTexts = source.GetArrayList(P("allowedToSeeVotesGroup"));
-    for (i = 0; i < arrayOfTexts.GetLength(); i += 1) {
-        allowedToSeeVotesGroup[allowedToSeeVotesGroup.length] = arrayOfTexts.GetString(i);
-    }
-    _.memory.Free(arrayOfTexts);
-
-    allowedToVoteGroup.length = 0;
-    arrayOfTexts = source.GetArrayList(P("allowedToVoteGroup"));
-    for (i = 0; i < arrayOfTexts.GetLength(); i += 1) {
-        allowedToVoteGroup[allowedToVoteGroup.length] = arrayOfTexts.GetString(i);
-    }
-    _.memory.Free(arrayOfTexts);
-}
-
-protected function DefaultIt() {
-    votingTime = 30.0;
-    allowSpectatorVoting = false;
-    allowedToSeeVotesGroup.length = 0;
-    allowedToVoteGroup.length = 0;
-    allowedToVoteGroup[0] = "everybody";
-}
-
-defaultproperties {
-    configName = "AcediaVoting"
-}

sources/BaseAPI/API/Unflect/UnflectApi.uc

@@ -58,7 +58,7 @@ protected function Finalizer() {
     functionCaster = none;
 }
 
-public final function bool _drop() {
+public final function _drop() {
     local UFunction nextFunctionInstance;
     local Text nextFunctionName;
     local HashTableIterator iter;
@@ -67,6 +67,7 @@ public final function bool _drop() {
     // Drop is called when Acedia is shutting down, so releasing references isn't necessary
     iter = HashTableIterator(completedReplacements.Iterate());
     while (!iter.HasFinished()) {
+        nextFunctionInstance = none;
         nextFunctionName = Text(iter.GetKey());
         nextSources = ByteArrayBox(originalScriptCodes.GetItem(nextFunctionName));
         if (nextSources != none ) {
@@ -75,6 +76,7 @@ public final function bool _drop() {
         if (nextFunctionInstance != none) {
             nextFunctionInstance.script = nextSources.Get();
         }
+        iter.Next();
     }
 }
 

sources/BaseAPI/AcediaEnvironment/AcediaEnvironment.uc

@@ -19,7 +19,8 @@
  * You should have received a copy of the GNU General Public License
  * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
  */
-class AcediaEnvironment extends AcediaObject;
+class AcediaEnvironment extends AcediaObject
+    config(AcediaSystem);
 
 //! API for management of running `Feature`s and loaded packages.
 //!
@@ -401,7 +402,7 @@ public final function DisableAllFeatures() {
 defaultproperties
 {
     manifestSuffix = ".Manifest"
-    debugMode = true
+    debugMode = false
     infoRegisteringPackage          = (l=LOG_Info,m="Registering package \"%1\".")
     infoAlreadyRegistered           = (l=LOG_Info,m="Package \"%1\" is already registered.")
     errNotRegistered                = (l=LOG_Error,m="Package \"%1\" has failed to be registered.")

sources/Chat/ChatAPI.uc

@@ -210,7 +210,7 @@ public /*signal*/ function ChatAPI_OnMessageFor_Slot OnMessageFor(AcediaObject r
 ///
 /// # Slot description
 ///
-/// bool <slot>(EPlayer sender, ChatApi.BuiltInVoiceMessage message)
+/// void <slot>(EPlayer sender, ChatApi.BuiltInVoiceMessage message)
 ///
 /// ## Parameters
 ///

sources/Data/Database/DBAPI.uc

@@ -250,48 +250,49 @@ public final function LocalDatabaseInstance LoadLocal(BaseText databaseName)
     local DBRecord              rootRecord;
     local Text                  rootRecordName;
     local LocalDatabase         newConfig;
-    local LocalDatabaseInstance newLocalDBInstance;
+    local LocalDatabaseInstance newLocalDBInstance, result;
     local Text                  dbKey;
 
     if (databaseName == none) {
         return none;
     }
     CreateLocalDBMapIfMissing();
-    if (loadedLocalDatabases.HasKey(databaseName))
+    dbKey = databaseName.Copy();
+    if (loadedLocalDatabases.HasKey(dbKey))
     {
-        return LocalDatabaseInstance(loadedLocalDatabases
+        result = LocalDatabaseInstance(loadedLocalDatabases.GetItem(dbKey));
-            .GetItem(databaseName));
+        _.memory.Free(dbKey);
+        return result;
     }
-    //  No need to check `databaseName` for being valid,
+    //  No need to check `dbKey` for being valid,
     //  since `Load()` will just return `none` if it is not.
-    newConfig = class'LocalDatabase'.static.Load(databaseName);
+    newConfig = class'LocalDatabase'.static.Load(dbKey);
     if (newConfig == none) {
+        _.memory.Free(dbKey);
         return none;
     }
     if (!newConfig.HasDefinedRoot() && !newConfig.ShouldCreateIfMissing()) {
+        _.memory.Free(dbKey);
         return none;
     }
     newLocalDBInstance = LocalDatabaseInstance(_.memory.Allocate(localDBClass));
-    dbKey = databaseName.Copy();
     loadedLocalDatabases.SetItem(dbKey, newLocalDBInstance);
     dbKey.FreeSelf();
     if (newConfig.HasDefinedRoot())
     {
         rootRecordName = newConfig.GetRootName();
-        rootRecord = class'DBRecord'.static
+        rootRecord = class'DBRecord'.static.LoadRecord(rootRecordName, dbKey);
-            .LoadRecord(rootRecordName, databaseName);
     }
     else
     {
-        rootRecord = class'DBRecord'.static.NewRecord(databaseName);
+        rootRecord = class'DBRecord'.static.NewRecord(dbKey);
         rootRecordName = _.text.FromString(string(rootRecord.name));
         newConfig.SetRootName(rootRecordName);
         newConfig.Save();
     }
     newLocalDBInstance.Initialize(newConfig, rootRecord);
-    _.logger.Auto(infoLocalDatabaseLoaded).Arg(databaseName.Copy());
+    _.logger.Auto(infoLocalDatabaseLoaded).Arg(dbKey);
     _.memory.Free(rootRecordName);
-    _.memory.Free(newLocalDBInstance);
     return newLocalDBInstance;
 }
 

sources/Features/FeatureConfig.uc

@@ -134,7 +134,8 @@ public static function bool SetAutoEnabledConfig(BaseText autoEnabledConfigName)
 
 defaultproperties
 {
-    usesObjectPool  = false
+    usesObjectPool = false
-    autoEnable      = false
+    autoEnable = false
+    supportsDataConversion = true
     warningMultipleFeaturesAutoEnabled = (l=LOG_Warning,m="Multiple configs for `%1` were marked as \"auto enabled\". This is likely caused by an erroneous config. \"%2\" config will be used.")
 }

sources/InfoQueryHandler/InfoQueryHandler.uc

@@ -34,7 +34,7 @@ var private const int TACEDIA_HELP_COMMANDS_CHAT, TACEDIA_HELP_COMMANDS_CONSOLE;
 var private const int TACEDIA_HELP_COMMANDS_CHAT_AND_CONSOLE;
 var private const int TACEDIA_HELP_COMMANDS_NO, TACEDIA_HELP_COMMANDS_USELESS;
 var private const int TACEDIA_RUNNING, TACEDIA_VERSION, TACEDIA_CREDITS;
-var private const int TACEDIA_ACKNOWLEDGMENT, TPREFIX, TSEPARATOR;
+var private const int TACEDIA_ACKNOWLEDGMENT, TPREFIX, THELP, TSEPARATOR;
 
 public static function StaticConstructor()
 {
@@ -228,7 +228,7 @@ private final static function StopOutput()
 
 private final static function OutAcediaHelp()
 {
-    local MutableText prefix, builder;
+    local MutableText prefix, helpName, builder;
 
     default.currentOutput
         .Flush()
@@ -242,12 +242,17 @@ private final static function OutAcediaHelp()
         .GetChatPrefix()
         .IntoMutableText()
         .ChangeDefaultColor(__().color.TextEmphasis);
+    helpName = class'Commands_Feature'.static
+        .GetHelpCommandName()
+        .IntoMutableText()
+        .ChangeDefaultColor(__().color.TextEmphasis);
     if (   class'Commands_Feature'.static.IsUsingChatInput()
             &&  class'Commands_Feature'.static.IsUsingMutateInput())
     {
         builder =
             T(default.TACEDIA_HELP_COMMANDS_CHAT_AND_CONSOLE).MutableCopy();
         builder.Replace(T(default.TPREFIX), prefix);
+        builder.Replace(T(default.THELP), helpName);
         default.currentOutput.WriteLine(builder);
         __().memory.Free(builder);
     }
@@ -256,20 +261,24 @@ private final static function OutAcediaHelp()
         builder =
             T(default.TACEDIA_HELP_COMMANDS_CHAT).MutableCopy();
         builder.Replace(T(default.TPREFIX), prefix);
-        default.currentOutput.WriteLine(builder);   
+        builder.Replace(T(default.THELP), helpName);
+        default.currentOutput.WriteLine(builder);
         __().memory.Free(builder);
     }
     else if (class'Commands_Feature'.static.IsUsingMutateInput())
     {
-        default.currentOutput
+        builder =
-            .WriteLine(T(default.TACEDIA_HELP_COMMANDS_CONSOLE));
+            T(default.TACEDIA_HELP_COMMANDS_CONSOLE).MutableCopy();
+        builder.Replace(T(default.THELP), helpName);
+        default.currentOutput.WriteLine(builder);
+        __().memory.Free(builder);
     }
     else
     {
         default.currentOutput
             .WriteLine(T(default.TACEDIA_HELP_COMMANDS_USELESS));
     }
-    __().memory.Free(prefix);
+    __().memory.Free2(prefix, helpName);
 }
 
 private final static function OutAcediaStatus()
@@ -297,11 +306,11 @@ defaultproperties
     TACEDIA_HELP                            = 2
     stringConstants(2)  = "Acedia always supports four commands: {$TextEmphasis help}, {$TextEmphasis status}, {$TextEmphasis version} and {$TextEmphasis credits}"
     TACEDIA_HELP_COMMANDS_CHAT              = 3
-    stringConstants(3)  = "To get detailed information about available to you commands, please type {$TextEmphasis %PREFIX%help} in chat"
+    stringConstants(3)  = "To get detailed information about available to you commands, please type {$TextEmphasis %PREFIX%%HELP%} in chat"
     TACEDIA_HELP_COMMANDS_CONSOLE           = 4
-    stringConstants(4)  = "To get detailed information about available to you commands, please type {$TextEmphasis mutate help -l} in console"
+    stringConstants(4)  = "To get detailed information about available to you commands, please type {$TextEmphasis mutate %HELP% -l} in console"
     TACEDIA_HELP_COMMANDS_CHAT_AND_CONSOLE  = 5
-    stringConstants(5)  = "To get detailed information about available to you commands, please type {$TextEmphasis %PREFIX%help} in chat or {$TextEmphasis mutate help -l} in console"
+    stringConstants(5)  = "To get detailed information about available to you commands, please type {$TextEmphasis %PREFIX%%HELP%} in chat or {$TextEmphasis mutate %HELP% -l} in console"
     TACEDIA_HELP_COMMANDS_NO                = 6
     stringConstants(6)  = "Unfortunately other commands aren't available right now. To enable them please type {$TextEmphasis mutate acediacommands} in console if you have enough rights to reenable them."
     TACEDIA_HELP_COMMANDS_USELESS           = 7
@@ -311,11 +320,13 @@ defaultproperties
     TACEDIA_VERSION                         = 9
     stringConstants(9)  = "AcediaCore version 0.1.dev8 - this is a development version, bugs and issues are expected"
     TACEDIA_CREDITS                         = 10
-    stringConstants(10) = "AcediaCore was developed by dkanus, 2019 - 2022"
+    stringConstants(10) = "AcediaCore was developed by dkanus, 2019 - 2023"
     TACEDIA_ACKNOWLEDGMENT                  = 11
     stringConstants(11) = "Special thanks for NikC- and Chaos for suggestions, testing and discussion"
     TPREFIX                                 = 12
     stringConstants(12) = "%PREFIX%"
-    TSEPARATOR                              = 13
+    THELP                                   = 13
-    stringConstants(13) = "============================="
+    stringConstants(13) = "%HELP%"
+    TSEPARATOR                              = 14
+    stringConstants(14) = "============================="
 }

sources/Players/EPlayer.uc

@@ -422,6 +422,19 @@ public final function bool IsAdmin()
     return (GetAdminStatus() != AS_None);
 }
 
+/// Checks if player is a spectator, i.e. observes game without actively
+/// participating.
+public final function bool IsSpectator()
+{
+    local PlayerReplicationInfo myReplicationInfo;
+
+    myReplicationInfo = GetRI();
+    if (myReplicationInfo == none) {
+        return true;
+    }
+    return myReplicationInfo.bOnlySpectator;
+}
+
 /**
  *  Changes admin status of the caller `EPlayer`.
  *  Can only fail if caller `EPlayer` has already disconnected.

sources/Text/TextAPI.uc

@@ -317,10 +317,39 @@ public final function bool IsEmpty(BaseText text)
 public final function string IntoString(/*take*/ BaseText toConvert)
 {
     local string result;
+
     if (toConvert != none) {
         result = toConvert.ToString();
+        _.memory.Free(toConvert);
+    }
+    return result;
+}
+
+/**
+ *  Converts given array of `BaseText`s into an array of plain `string`s,
+ *  returning their values and deallocating passed `BaseText`.
+ *
+ *  Method introduced to simplify a common use-case of converting returned
+ *  copies of `BaseText`s into a `string`s, which required additional variable
+ *  to store and later deallocate `BaseText` references.
+ *
+ *  @param  toConvert   Array of `BaseText`s to convert.
+ *  @return Array of `string`s, representing passed `BaseText`s as
+ *      a plain string.
+ *      Empty `string`, if `toConvert == none`.
+ */
+public final function array<string> IntoStrings(/*take*/ array<BaseText> toConvert) {
+    local int i;
+    local array<string> result;
+
+    for (i = 0; i < toConvert.length; i += 1) {
+        if (toConvert[i] != none) {
+            result[result.length] = toConvert[i].ToString();
+            _.memory.Free(toConvert[i]);
+        } else {
+            result[result.length] = "";
+        }
     }
-    _.memory.Free(toConvert);
     return result;
 }
 
@@ -346,6 +375,34 @@ public final function string IntoColoredString(/*take*/ BaseText toConvert)
     return result;
 }
 
+/**
+ *  Converts given array of `BaseText`s into an array of colored `string`s,
+ *  returning their values and deallocating passed `BaseText`.
+ *
+ *  Method introduced to simplify a common use-case of converting returned
+ *  copies of `BaseText`s into a `string`s, which required additional variable
+ *  to store and later deallocate `BaseText` references.
+ *
+ *  @param  toConvert   Array of `BaseText`s to convert.
+ *  @return Array of `string`s, representing passed `BaseText`s as
+ *      a colored string.
+ *      Empty `string`, if `toConvert == none`.
+ */
+public final function array<string> IntoColoredStrings(/*take*/ array<BaseText> toConvert) {
+    local int i;
+    local array<string> result;
+
+    for (i = 0; i < toConvert.length; i += 1) {
+        if (toConvert[i] != none) {
+            result[result.length] = toConvert[i].ToColoredString();
+            _.memory.Free(toConvert[i]);
+        } else {
+            result[result.length] = "";
+        }
+    }
+    return result;
+}
+
 /**
  *  Converts given `BaseText` into a formatted `string`, returns it's value and
  *  deallocates passed `BaseText`.
@@ -368,6 +425,34 @@ public final function string IntoFormattedString(/*take*/ BaseText toConvert)
     return result;
 }
 
+/**
+ *  Converts given array of `BaseText`s into an array of formatted `string`s,
+ *  returning their values and deallocating passed `BaseText`.
+ *
+ *  Method introduced to simplify a common use-case of converting returned
+ *  copies of `BaseText`s into a `string`s, which required additional variable
+ *  to store and later deallocate `BaseText` references.
+ *
+ *  @param  toConvert   Array of `BaseText`s to convert.
+ *  @return Array of `string`s, representing passed `BaseText`s as
+ *      a formatted string.
+ *      Empty `string`, if `toConvert == none`.
+ */
+public final function array<string> IntoFormattedStrings(/*take*/ array<BaseText> toConvert) {
+    local int i;
+    local array<string> result;
+
+    for (i = 0; i < toConvert.length; i += 1) {
+        if (toConvert[i] != none) {
+            result[result.length] = toConvert[i].ToFormattedString();
+            _.memory.Free(toConvert[i]);
+        } else {
+            result[result.length] = "";
+        }
+    }
+    return result;
+}
+
 /**
  *  Creates a `string` that consists only of a given character.
  *

sources/Users/ACommandUserGroups.uc

@@ -22,7 +22,6 @@ class ACommandUserGroups extends Command
 
 protected function BuildData(CommandDataBuilder builder)
 {
-    builder.Name(P("usergroups"));
     builder.Group(P("admin"));
     builder.Summary(P("User groups management."));
     builder.Describe(P("Allows to add/remove user groups and users to these: groups. Changes made"
@@ -77,7 +76,7 @@ protected function BuildData(CommandDataBuilder builder)
     builder.Describe(P("Allows to force usage of invalid user IDs."));
 }
 
-protected function Executed(CallData arguments, EPlayer instigator)
+protected function Executed(CallData arguments, EPlayer instigator, CommandPermissions permissions)
 {
     local bool      forceOption;
     local Text      groupName, userID, userName, annotation;
@@ -653,6 +652,6 @@ private function DisplayUsersFor(Text groupName)
     }
 }
 
-defaultproperties
+defaultproperties {
-{
+    preferredName = "usergroups"
 }

sources/Users/Users_Feature.uc

@@ -70,16 +70,7 @@ var private LoggerAPI.Definition errDBContainsNonLowerRegister;
 
 protected function OnEnabled()
 {
-    local Commands_Feature feature;
-
     _.users._reloadFeature();
-    feature =
-        Commands_Feature(class'Commands_Feature'.static.GetEnabledInstance());
-    if (feature != none)
-    {
-        feature.RegisterCommand(class'ACommandUserGroups');
-        feature.FreeSelf();
-    }
     if (_server.IsAvailable()) {
         LoadUserData();
         SetupPersistentData(usePersistentData);
@@ -96,9 +87,7 @@ protected function OnDisabled()
     _.users._reloadFeature();
     feature =
         Commands_Feature(class'Commands_Feature'.static.GetEnabledInstance());
-    if (feature != none)
+    if (feature != none) {
-    {
-        feature.RemoveCommand(class'ACommandUserGroups');
         feature.FreeSelf();
     }
     ResetUploadedUserGroups();
@@ -590,9 +579,9 @@ public final function bool AddGroup(BaseText groupName)
     local Text      lowerCaseGroupName;
     local HashTable emptyHashTable;
 
-    if (groupName == none) {
+    if (groupName == none)                              return false;
-        return false;
+    if (groupName.Compare(P("all"), SCASE_INSENSITIVE)) return false;
-    }
+
     lowerCaseGroupName = groupName.LowerCopy();
     if (loadedGroupToUsersMap.HasKey(lowerCaseGroupName))
     {
@@ -676,9 +665,9 @@ public final function bool RemoveGroup(BaseText groupName)
     local bool  groupExists;
     local Text  lowerCaseGroupName;
 
-    if (groupName == none) {
+    if (groupName == none)                              return false;
-        return false;
+    if (groupName.Compare(P("all"), SCASE_INSENSITIVE)) return false;
-    }
+
     lowerCaseGroupName = groupName.LowerCopy();
     groupExists = loadedGroupToUsersMap.HasKey(lowerCaseGroupName);
     if (!groupExists)
@@ -754,9 +743,9 @@ public final function bool IsGroupExisting(BaseText groupName)
     local bool result;
     local Text lowerCaseGroupName;
 
-    if (groupName == none) {
+    if (groupName == none)                              return false;
-        return false;
+    if (groupName.Compare(P("all"), SCASE_INSENSITIVE)) return true;
-    }
+
     lowerCaseGroupName = groupName.LowerCopy();
     result = loadedGroupToUsersMap.HasKey(lowerCaseGroupName);
     lowerCaseGroupName.FreeSelf();
@@ -808,9 +797,10 @@ public final function bool AddSteamIDToGroup(
     local Text      lowercaseGroupName;
     local HashTable groupUsers;
 
-    if (steamID == none)                return false;
+    if (steamID == none)                                return false;
-    if (loadedGroupToUsersMap == none)  return false;
+    if (loadedGroupToUsersMap == none)                  return false;
-    if (groupName == none)              return false;
+    if (groupName == none)                              return false;
+    if (groupName.Compare(P("all"), SCASE_INSENSITIVE)) return true;
 
     lowercaseGroupName = groupName.LowerCopy();
     groupUsers = loadedGroupToUsersMap.GetHashTable(lowercaseGroupName);
@@ -998,9 +988,10 @@ public final function bool RemoveSteamIDFromGroup(
     local Text      lowercaseGroupName;
     local HashTable groupUsers;
 
-    if (steamID == none)                return false;
+    if (steamID == none)                                return false;
-    if (groupName == none)              return false;
+    if (groupName == none)                              return false;
-    if (loadedGroupToUsersMap == none)  return false;
+    if (groupName.Compare(P("all"), SCASE_INSENSITIVE)) return false;
+    if (loadedGroupToUsersMap == none)                  return false;
 
     lowercaseGroupName = groupName.LowerCopy();
     groupUsers = loadedGroupToUsersMap.GetHashTable(lowercaseGroupName);
@@ -1195,6 +1186,7 @@ public final function array<Text> GetGroupsForSteamID(BaseText steamID)
     if (loadedGroupToUsersMap == none)  return result;
     if (steamID == none)                return result;
 
+    result[0] = P("all").Copy();
     immutableSteamID = steamID.LowerCopy();
     iter = HashTableIterator(loadedGroupToUsersMap.Iterate());
     while (!iter.HasFinished())
@@ -1960,9 +1952,10 @@ public final function bool IsSteamIDInGroup(
     local Text      lowerGroupName;
     local HashTable nextGroupUsers;
 
-    if (loadedGroupToUsersMap == none)  return false;
+    if (loadedGroupToUsersMap == none)                  return false;
-    if (groupName == none)              return false;
+    if (groupName == none)                              return false;
-    if (steamID == none)                return false;
+    if (groupName.Compare(P("all"), SCASE_INSENSITIVE)) return true;
+    if (steamID == none)                                return false;
 
     lowerGroupName = groupName.LowerCopy();
     nextGroupUsers = loadedGroupToUsersMap.GetHashTable(lowerGroupName);
@@ -2128,7 +2121,7 @@ public final /*unreal*/ function bool IsUserInGroup_S(
  *
  *  Data loaded once is cached and this method returning `true` does not
  *  guarantee that is isn't outdated. Additional, asynchronous queries must be
- *  made to check for that. 
+ *  made to check for that.
  *
  *  @return `true` if user groups' data was loaded and `false` otherwise.
  */