Refactor `TimeAPI`, add it to client side

sources/ClientRealm/API/Unreal/ClientUnrealAPI.uc

@@ -25,17 +25,18 @@ var protected bool initialized;
 
 var public InteractionAPI interaction;
 
-public function Initialize(class<ClientAcediaAdapter> adapterClass)
+public function Initialize(class<AcediaAdapter> adapterClass)
 {
-    if (initialized) {
+    local class<ClientAcediaAdapter> asClientAdapter;
-        return;
+
-    }
+    if (initialized)                return;
+    asClientAdapter = class<ClientAcediaAdapter>(adapterClass);
+    if (asClientAdapter == none)    return;
+
+    super.Initialize(adapterClass);
     initialized = true;
-    if (adapterClass == none) {
-        return;
-    }
     interaction = InteractionAPI(_.memory.Allocate(
-        adapterClass.default.clientInteractionAPIClass));
+        asClientAdapter.default.clientInteractionAPIClass));
 }
 
 /**

sources/ClientRealm/ClientAcediaAdapter.uc

@@ -27,6 +27,7 @@ var public const class<InteractionAPI>  clientInteractionAPIClass;
 
 defaultproperties
 {
+    timeAPIClass                = class'KF1_TimeAPI'
     clientUnrealAPIClass        = class'KF1_ClientUnrealAPI'
     clientInteractionAPIClass   = class'KF1_InteractionAPI'
 }

sources/ClientRealm/ClientGlobal.uc

@@ -68,6 +68,7 @@ protected function Initialize()
     unreal  = ClientUnrealAPI(
         _.memory.Allocate(clientAdapterClass.default.clientUnrealAPIClass));
     unreal.Initialize(clientAdapterClass);
+    time.Initialize(unreal);
     //  Create `AcediaInteraction`
     localPlayer = unreal.GetLocalPlayer();
     if (localPlayer != none)

sources/CoreRealm/API/Time/TimeAPI.uc

@@ -17,9 +17,28 @@
  * You should have received a copy of the GNU General Public License
  * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
  */
-class ServerTimeAPI extends AcediaObject
+class TimeAPI extends AcediaObject
     abstract;
 
+//      API to use to initialize `Timer`s, should be chosen depending on where
+//  `Timer`s are created.
+var protected UnrealAPI api;
+
+/**
+ *  Initializes caller `TimeAPI` with given `UnrealAPI` instance that will
+ *  be used to create all `Timer`s.
+ *
+ *  This is necessary, because we don't know where `TimeAPI` will be used:
+ *  on server or on client.
+ */
+public function Initialize(UnrealAPI newAPI)
+{
+    if (api != none) {
+        return;
+    }
+    api = newAPI;
+}
+
 /**
  *  Creates new `Timer`. Does not start it.
  *
@@ -49,33 +68,34 @@ public function Timer NewTimer(
 public function Timer StartTimer(float interval, optional bool autoReset);
 
 /**
- *  Creates new `RealTimer`. Does not start it.
+ *  Creates new `Timer` that measures real time, not in-game one.
+ *  Does not start it.
  *
- *  @param  interval    Returned `RealTimer` will be configured to emit
+ *  @param  interval    Returned `Timer` will be configured to emit
  *      `OnElapsed()` signals every `interval` seconds.
- *  @param  autoReset   `true` will configure caller `RealTimer` to repeatedly
+ *  @param  autoReset   `true` will configure caller `Timer` to repeatedly
  *      emit `OnElapsed()` every `interval` seconds, `false` (default value)
- *      will make returned `RealTimer` emit that signal only once.
+ *      will make returned `Timer` emit that signal only once.
- *  @return `RealTimer`, configured to emit `OnElapsed()` every `interval`
+ *  @return `Timer`, configured to emit `OnElapsed()` every `interval`
  *      seconds. Not started. Guaranteed to be not `none`.
  */
-public function RealTimer NewRealTimer(
+public function Timer NewRealTimer(
     optional float  interval,
     optional bool   autoReset);
 
 /**
- *  Creates and starts new `RealTimer`.
+ *  Creates and starts new `Timer` that measures real time, not in-game one.
  *
- *  @param  interval    Returned `RealTimer` will be configured to emit
+ *  @param  interval    Returned `Timer` will be configured to emit
  *      `OnElapsed()` signals every `interval` seconds.
- *  @param  autoReset   Setting this to `true` will configure caller `RealTimer`
+ *  @param  autoReset   Setting this to `true` will configure caller `Timer`
  *      to repeatedly emit `OnElapsed()` signal every `interval` seconds,
- *      `false` (default value) will make returned `RealTimer` emit that signal
+ *      `false` (default value) will make returned `Timer` emit that signal
  *      only once.
- *  @return `RealTimer`, configured to emit `OnElapsed()` every `interval`
+ *  @return `Timer`, configured to emit `OnElapsed()` every `interval`
  *      seconds. Guaranteed to be not `none`.
  */
-public function RealTimer StartRealTimer(
+public function Timer StartRealTimer(
     float           interval,
     optional bool   autoReset);
 

sources/CoreRealm/API/Time/Timer.uc

@@ -1,7 +1,7 @@
 /**
  *      Timer class that generates a signal after a set interval, with an option
  *  to generate recurring signals.
- *      Copyright 2021 Anton Tarasenko
+ *      Copyright 2022 Anton Tarasenko
  *------------------------------------------------------------------------------
  * This file is part of Acedia.
  *
@@ -18,7 +18,8 @@
  * You should have received a copy of the GNU General Public License
  * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
  */
-class Timer extends AcediaObject;
+class Timer extends AcediaObject
+    abstract;
 
 /**
  *      Because the `Timer` depends on the `Tick()` event, it has the same
@@ -31,35 +32,6 @@ class Timer extends AcediaObject;
  *  the same exact time.
  */
 
-//  Is timer currently tracking time until the next event?
-var private bool    isTimerEnabled;
-//  Should timer automatically reset after the next event to
-//  also generate recurring signals?
-var private bool    isTimerAutoReset;
-//  Currently elapsed time since this timer has started waiting for the
-//  next event
-var private float   totalElapsedTime;
-//  Time interval between timer's start and generating the signal
-var private float   eventInterval;
-//  This flag tells `Timer` to stop trying to emit messages that accumulated
-//  between two `Tick()` updates. Used in case `Timer` was disables or
-//  stopped during one of them.
-var private bool    clearEventQueue;
-
-var private Timer_OnElapsed_Signal onElapsedSignal;
-
-protected function Constructor()
-{
-    onElapsedSignal = Timer_OnElapsed_Signal(
-        _.memory.Allocate(class'Timer_OnElapsed_Signal'));
-}
-
-protected function Finalizer()
-{
-    _.memory.Free(onElapsedSignal);
-    StopMe();   //  Disconnects from listening to `_server.unreal.OnTick()`
-}
-
 /**
  *  Signal that will be emitted every time timer's interval is elapsed.
  *
@@ -69,10 +41,7 @@ protected function Finalizer()
  *  @param  source  `Timer` that emitted the signal.
  */
 /* SIGNAL */
-public final function Timer_OnElapsed_Slot OnElapsed(AcediaObject receiver)
+public function Timer_OnElapsed_Slot OnElapsed(AcediaObject receiver);
-{
-    return Timer_OnElapsed_Slot(onElapsedSignal.NewSlot(receiver));
-}
 
 /**
  *  This method is called every tick while the caller `Timer` is running and
@@ -92,10 +61,7 @@ public final function Timer_OnElapsed_Slot OnElapsed(AcediaObject receiver)
  */
 protected function float HandleTimeDilation(
     float timeDelta,
-    float dilationCoefficient)
+    float dilationCoefficient);
-{
-    return timeDelta;
-}
 
 /**
  *  Returns current interval between `OnElapsed()` signals for the
@@ -104,10 +70,7 @@ protected function float HandleTimeDilation(
  *  @return How many seconds separate two `OnElapsed()` signals
  *      (or starting a timer and next `OnElapsed()` event).
  */
-public final function float GetInterval()
+public function float GetInterval();
-{
-    return eventInterval;
-}
 
 /**
  *  Sets current interval between `OnElapsed()` signals for the
@@ -121,19 +84,7 @@ public final function float GetInterval()
  *      Setting a value `<= 0` disables the timer.
  *  @return Caller `Timer` to allow for method chaining.
  */
-public final function Timer SetInterval(float newInterval)
+public function Timer SetInterval(float newInterval);
-{
-    eventInterval = newInterval;
-    if (eventInterval <= 0)
-    {
-        StopMe();
-        return self;
-    }
-    if (isTimerEnabled) {
-        Start();
-    }
-    return self;
-}
 
 /**
  *  Checks whether the timer is currently enabled (emitting signals with
@@ -141,10 +92,7 @@ public final function Timer SetInterval(float newInterval)
  *
  *  @return `true` if caller `Timer` is enabled and `false` otherwise.
  */
-public final function bool IsEnabled()
+public function bool IsEnabled();
-{
-    return isTimerEnabled;
-}
 
 /**
  *  Checks whether this `Timer` would automatically reset after the emitted
@@ -153,10 +101,7 @@ public final function bool IsEnabled()
  *  @return `true` if `Timer` will emit `OnElapse()` signal each time
  *      the interval elapses and `false` otherwise.
  */
-public final function bool IsAutoReset(float newInterval)
+public function bool IsAutoReset(float newInterval);
-{
-    return isTimerAutoReset;
-}
 
 /**
  *  Sets whether this `Timer` would automatically reset after the emitted
@@ -166,11 +111,7 @@ public final function bool IsAutoReset(float newInterval)
  *      each time the interval elapses and `false` otherwise.
  *  @return Caller `Timer` to allow for method chaining.
  */
-public final function Timer SetAutoReset(bool doAutoReset)
+public function Timer SetAutoReset(bool doAutoReset);
-{
-    isTimerAutoReset = doAutoReset;
-    return self;
-}
 
 /**
  *  Starts emitting `OneElapsed()` signal.
@@ -183,31 +124,14 @@ public final function Timer SetAutoReset(bool doAutoReset)
  *
  *  @return Caller `Timer` to allow for method chaining.
  */
-public final function Timer Start()
+public function Timer Start();
-{
-    if (eventInterval <= 0) {
-        return self;
-    }
-    if (!isTimerEnabled) {
-        _server.unreal.OnTick(self).connect = Tick;
-    }
-    isTimerEnabled = true;
-    totalElapsedTime = 0.0;
-    return self;
-}
 
 /**
  *  Stops emitting `OneElapsed()` signal.
  *
  *  @return Caller `Timer` to allow for method chaining.
  */
-public final function Timer StopMe()
+public function Timer StopMe();
-{
-    _server.unreal.OnTick(self).Disconnect();
-    isTimerEnabled = false;
-    clearEventQueue = true;
-    return self;
-}
 
 /**
  *  Returns currently elapsed time since caller `Timer` has started waiting for
@@ -215,43 +139,9 @@ public final function Timer StopMe()
  *
  *  @return Elapsed time since caller `Timer` has started.
  */
-public final function float GetElapsedTime()
+public function float GetElapsedTime();
-{
-    return totalElapsedTime;
-}
-
-private final function Tick(float delta, float dilationCoefficient)
-{
-    local int lifeVersion;
 
-    if (onElapsedSignal == none || eventInterval <= 0.0)
+private function Tick(float delta, float dilationCoefficient);
-    {
-        StopMe();
-        return;
-    }
-    totalElapsedTime += HandleTimeDilation(delta, dilationCoefficient);
-    clearEventQueue = false;
-    while (totalElapsedTime > eventInterval && !clearEventQueue)
-    {
-        //  It is important to modify _before_ the signal call in case `Timer`
-        //  is reset there and already has a zeroed `totalElapsedTime`
-        totalElapsedTime -= eventInterval;
-        //  Stop `Timer` before emitting a signal, to allow user to potentially
-        //  restart it
-        if (!isTimerAutoReset) {
-            StopMe();
-        }
-        //      During signal emission caller `Timer` can get reallocated and
-        //  used to perform a completely different role.
-        //      In such a case we need to bail from this method as soom as
-        //  possible.
-        lifeVersion = GetLifeVersion();
-        onElapsedSignal.Emit(self);
-        if (!isTimerEnabled || lifeVersion != GetLifeVersion()) {
-            return;
-        }
-    }
-}
 
 defaultproperties
 {

sources/CoreRealm/API/UnrealAPI/UnrealAPI.uc

@@ -21,6 +21,8 @@
 class UnrealAPI extends AcediaObject
     abstract;
 
+public function Initialize(class<AcediaAdapter> adapterClass);
+
 /**
  *  Signal that will be emitted every tick.
  *

sources/CoreRealm/AcediaAdapter.uc

@@ -36,6 +36,7 @@ class AcediaAdapter extends AcediaObject
  */
 
 var public const class<SideEffectAPI>   sideEffectAPIClass;
+var public const class<TimeAPI>         timeAPIClass;
 
 defaultproperties
 {

sources/CoreRealm/CoreGlobal.uc

@@ -25,6 +25,7 @@ var protected bool                  initialized;
 var protected class<AcediaAdapter>  adapterClass;
 
 var public SideEffectAPI    sideEffects;
+var public TimeAPI          time;
 
 var private LoggerAPI.Definition fatNoAdapterClass;
 
@@ -52,6 +53,7 @@ protected function Initialize()
     api = class'Global'.static.GetInstance().memory;
     sideEffects =
         SideEffectAPI(api.Allocate(adapterClass.default.sideEffectAPIClass));
+    time = TimeAPI(api.Allocate(adapterClass.default.timeAPIClass));
 }
 
 /**

sources/KFRealm/Core/Time/KF1_RealTimer.uc

@@ -18,7 +18,7 @@
  * You should have received a copy of the GNU General Public License
  * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
  */
-class RealTimer extends Timer;
+class KF1_RealTimer extends KF1_Timer;
 
 protected function float HandleTimeDilation(
     float timeDelta,

sources/KFRealm/Core/Time/KF1_TimeAPI.uc

@@ -1,5 +1,5 @@
 /**
- *  Acedia's default `ServerTimeAPI` API implementation
+ *  Acedia's default `TimeAPI` API implementation
  *      Copyright 2021-2022 Anton Tarasenko
  *------------------------------------------------------------------------------
  * This file is part of Acedia.
@@ -17,45 +17,45 @@
  * You should have received a copy of the GNU General Public License
  * along with Acedia.  If not, see <https://www.gnu.org/licenses/>.
  */
-class KF1_ServerTimeAPI extends ServerTimeAPI;
+class KF1_TimeAPI extends TimeAPI;
 
 public function Timer NewTimer(
     optional float  interval,
     optional bool   autoReset)
 {
-    return Timer(_.memory.Allocate(class'Timer'))
+    return KF1_Timer(_.memory.Allocate(class'KF1_Timer'))
+        .Initialize(api)
         .SetInterval(interval)
         .SetAutoReset(autoReset);
 }
 
 public function Timer StartTimer(float interval, optional bool autoReset)
 {
-    return Timer(_.memory.Allocate(class'Timer'))
+    return KF1_Timer(_.memory.Allocate(class'KF1_Timer'))
+        .Initialize(api)
         .SetInterval(interval)
         .SetAutoReset(autoReset)
         .Start();
 }
 
-public function RealTimer NewRealTimer(
+public function Timer NewRealTimer(
     optional float  interval,
     optional bool   autoReset)
 {
-    local RealTimer newTimer;
+    return KF1_Timer(_.memory.Allocate(class'KF1_RealTimer'))
-    newTimer = RealTimer(_.memory.Allocate(class'RealTimer'));
+        .Initialize(api)
-    newTimer.SetInterval(interval).SetAutoReset(autoReset);
+        .SetInterval(interval).SetAutoReset(autoReset);
-    return newTimer;
 }
 
-public function RealTimer StartRealTimer(
+public function Timer StartRealTimer(
     float           interval,
     optional bool   autoReset)
 {
-    local RealTimer newTimer;
+    return KF1_Timer(_.memory.Allocate(class'KF1_RealTimer'))
-    newTimer = RealTimer(_.memory.Allocate(class'RealTimer'));
+        .Initialize(api)
-    newTimer.SetInterval(interval)
+        .SetInterval(interval)
         .SetAutoReset(autoReset)
         .Start();
-    return newTimer;
 }
 
 defaultproperties

sources/KFRealm/Core/Time/KF1_Timer.uc

@@ -0,0 +1,181 @@
+/**
+ *  Acedia's default implementation for `Timer` class.
+ *      Copyright 2021-2022 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 KF1_Timer extends Timer;
+
+//  Is timer currently tracking time until the next event?
+var protected bool  isTimerEnabled;
+//  Should timer automatically reset after the next event to
+//  also generate recurring signals?
+var protected bool  isTimerAutoReset;
+//  Currently elapsed time since this timer has started waiting for the
+//  next event
+var protected float totalElapsedTime;
+//  Time interval between timer's start and generating the signal
+var protected float eventInterval;
+//  This flag tells `Timer` to stop trying to emit messages that accumulated
+//  between two `Tick()` updates. Used in case `Timer` was disables or
+//  stopped during one of them.
+var protected bool  clearEventQueue;
+
+//  `UnrealAPI` to use, has to be set to access `OnTick()` signal.
+var protected UnrealAPI api;
+
+var protected Timer_OnElapsed_Signal onElapsedSignal;
+
+protected function Constructor()
+{
+    onElapsedSignal = Timer_OnElapsed_Signal(
+        _.memory.Allocate(class'Timer_OnElapsed_Signal'));
+}
+
+protected function Finalizer()
+{
+    _.memory.Free(onElapsedSignal);
+    StopMe();   //  Disconnects from listening to `api.OnTick()`
+    api = none;
+}
+
+/**
+ *  Initializes caller `Timer` with given `UnrealAPI` instance that will be used
+ *  to track `OnTick()` signal.
+ *
+ *  This is necessary, because we don't know where `KF1_Timer` will be used:
+ *  on server or on client.
+ */
+public function Timer Initialize(UnrealAPI newAPI)
+{
+    if (api != none) {
+        return self;
+    }
+    api = newAPI;
+    return self;
+}
+
+/* SIGNAL */
+public function Timer_OnElapsed_Slot OnElapsed(AcediaObject receiver)
+{
+    return Timer_OnElapsed_Slot(onElapsedSignal.NewSlot(receiver));
+}
+
+protected function float HandleTimeDilation(
+    float timeDelta,
+    float dilationCoefficient)
+{
+    return timeDelta;
+}
+
+
+public function float GetInterval()
+{
+    return eventInterval;
+}
+
+public function Timer SetInterval(float newInterval)
+{
+    eventInterval = newInterval;
+    if (eventInterval <= 0)
+    {
+        StopMe();
+        return self;
+    }
+    if (isTimerEnabled) {
+        Start();
+    }
+    return self;
+}
+
+public function bool IsEnabled()
+{
+    return isTimerEnabled;
+}
+
+public function bool IsAutoReset(float newInterval)
+{
+    return isTimerAutoReset;
+}
+
+public function Timer SetAutoReset(bool doAutoReset)
+{
+    isTimerAutoReset = doAutoReset;
+    return self;
+}
+
+public function Timer Start()
+{
+    if (eventInterval <= 0) {
+        return self;
+    }
+    if (!isTimerEnabled) {
+        api.OnTick(self).connect = Tick;
+    }
+    isTimerEnabled = true;
+    totalElapsedTime = 0.0;
+    return self;
+}
+
+public function Timer StopMe()
+{
+    api.OnTick(self).Disconnect();
+    isTimerEnabled = false;
+    clearEventQueue = true;
+    return self;
+}
+
+public function float GetElapsedTime()
+{
+    return totalElapsedTime;
+}
+
+private function Tick(float delta, float dilationCoefficient)
+{
+    local int lifeVersion;
+
+    if (onElapsedSignal == none || eventInterval <= 0.0)
+    {
+        StopMe();
+        return;
+    }
+    totalElapsedTime += HandleTimeDilation(delta, dilationCoefficient);
+    clearEventQueue = false;
+    while (totalElapsedTime > eventInterval && !clearEventQueue)
+    {
+        //  It is important to modify _before_ the signal call in case `Timer`
+        //  is reset there and already has a zeroed `totalElapsedTime`
+        totalElapsedTime -= eventInterval;
+        //  Stop `Timer` before emitting a signal, to allow user to potentially
+        //  restart it
+        if (!isTimerAutoReset) {
+            StopMe();
+        }
+        //      During signal emission caller `Timer` can get reallocated and
+        //  used to perform a completely different role.
+        //      In such a case we need to bail from this method as soom as
+        //  possible.
+        lifeVersion = GetLifeVersion();
+        onElapsedSignal.Emit(self);
+        if (!isTimerEnabled || lifeVersion != GetLifeVersion()) {
+            return;
+        }
+    }
+}
+
+defaultproperties
+{
+}

sources/ServerRealm/API/Unreal/ServerUnrealAPI.uc

@@ -28,23 +28,24 @@ var public GameRulesAPI gameRules;
 var public BroadcastAPI broadcasts;
 var public InventoryAPI inventory;
 
-public function Initialize(class<ServerAcediaAdapter> adapterClass)
+public function Initialize(class<AcediaAdapter> adapterClass)
 {
-    if (initialized) {
+    local class<ServerAcediaAdapter> asServerAdapter;
-        return;
+
-    }
+    if (initialized)                return;
+    asServerAdapter = class<ServerAcediaAdapter>(adapterClass);
+    if (asServerAdapter == none)    return;
+
+    super.Initialize(adapterClass);
     initialized = true;
-    if (adapterClass == none) {
-        return;
-    }
     mutator     = MutatorAPI(_.memory.Allocate(
-        adapterClass.default.serverMutatorAPIClass));
+        asServerAdapter.default.serverMutatorAPIClass));
     gameRules   = GameRulesAPI(_.memory.Allocate(
-        adapterClass.default.serverGameRulesAPIClass));
+        asServerAdapter.default.serverGameRulesAPIClass));
     broadcasts  = BroadcastAPI(_.memory.Allocate(
-        adapterClass.default.serverBroadcastAPIClass));
+        asServerAdapter.default.serverBroadcastAPIClass));
     inventory   = InventoryAPI  (_.memory.Allocate(
-        adapterClass.default.serverInventoryAPIClass));
+        asServerAdapter.default.serverInventoryAPIClass));
 }
 
 defaultproperties

sources/ServerRealm/ServerAcediaAdapter.uc

@@ -22,7 +22,6 @@
 class ServerAcediaAdapter extends AcediaAdapter
     abstract;
 
-var public const class<ServerTimeAPI>   serverTimeAPIClass;
 var public const class<ServerUnrealAPI> serverUnrealAPIClass;
 var public const class<BroadcastAPI>    serverBroadcastAPIClass;
 var public const class<GameRulesAPI>    serverGameRulesAPIClass;
@@ -31,7 +30,7 @@ var public const class<MutatorAPI>      serverMutatorAPIClass;
 
 defaultproperties
 {
-    serverTimeAPIClass      = class'KF1_ServerTimeAPI'
+    timeAPIClass            = class'KF1_TimeAPI'
     serverUnrealAPIClass    = class'KF1_ServerUnrealAPI'
     serverBroadcastAPIClass = class'KF1_BroadcastAPI'
     serverGameRulesAPIClass = class'KF1_GameRulesAPI'

sources/ServerRealm/ServerGlobal.uc

@@ -27,7 +27,6 @@ var protected ServerGlobal myself;
 
 var public KFFrontend       kf;
 var public ServerUnrealAPI  unreal;
-var public ServerTimeAPI    time;
 
 var private LoggerAPI.Definition fatBadAdapterClass;
 
@@ -67,8 +66,7 @@ protected function Initialize()
     unreal = ServerUnrealAPI(
         _.memory.Allocate(serverAdapterClass.default.serverUnrealAPIClass));
     unreal.Initialize(serverAdapterClass);
-    time    = ServerTimeAPI(
+    time.Initialize(unreal);
-        _.memory.Allocate(serverAdapterClass.default.serverTimeAPIClass));
     kf = KFFrontend(_.memory.Allocate(class'KF1_Frontend'));
 }