Added onStart(task) and onDone(task) for IAction

src/main/java/noppes/npcs/controllers/data/action/Action.java

@@ -22,7 +22,7 @@ public class Action implements IAction {
     protected int count, maxCount = -1;
     protected int duration, maxDuration = -1;
     protected int updateEveryXTick = 5;
-    protected Consumer<IAction> task;
+    protected Consumer<IAction> task, onStart, onDone;
     protected boolean done;
     protected final Map<String, Object> dataStore = new HashMap<>();
     protected boolean isThreaded;
@@ -115,6 +115,18 @@ public class Action implements IAction {
         return this;
     }
 
+    @Override
+    public IAction onStart(Consumer<IAction> task) {
+        this.onStart = task;
+        return this;
+    }
+
+    @Override
+    public IAction onDone(Consumer<IAction> task) {
+        this.onDone = task;
+        return this;
+    }
+
     @Override
     public int getDuration() {
         return duration;
@@ -244,6 +256,9 @@ public class Action implements IAction {
         if (done)
             return;
 
+        if (duration == 0 && onStart != null)
+            execute("start", this::executeOnStart);
+
         duration++;
 
         if (startAfterTicks > 0) {
@@ -270,6 +285,14 @@ public class Action implements IAction {
             task.run();
     }
 
+    protected void executeOnStart() {
+        try {
+            onStart.accept(this);
+        } catch (Throwable t) {
+            logDebug("Start Task of " + this + " threw an exception:", t);
+        }
+    }
+
     protected void executeTask() {
         try {
             task.accept(this);
@@ -280,6 +303,15 @@ public class Action implements IAction {
         }
     }
 
+    protected void executeOnDone() {
+        try {
+            onDone.accept(this);
+        } catch (Throwable t) {
+            logDebug("Done Task of " + this + " threw an exception:", t);
+        }
+    }
+
+
     @Override
     public void kill() {
         if (actionThread != null)

src/main/java/noppes/npcs/controllers/data/action/ActionQueue.java

@@ -267,6 +267,8 @@ public class ActionQueue implements IActionQueue {
                 Action cab = (Action) current;
                 cab.tick();
                 if (cab.isDone()) {
+                    if (cab.onDone != null)
+                        cab.execute("task", cab::executeOnDone);
                     cab.kill();
                     queue.pollFirst();
                 }
@@ -277,6 +279,8 @@ public class ActionQueue implements IActionQueue {
                 Action a = (Action) pit.next();
                 a.tick();
                 if (a.isDone()) {
+                    if (a.onDone != null)
+                        a.execute("complete", a::executeOnDone);
                     a.kill();
                     pit.remove();
                 }

src/main/java/noppes/npcs/controllers/data/action/action/ConditionalAction.java

@@ -96,6 +96,9 @@ public class ConditionalAction extends Action implements IConditionalAction {
         if (isDone())
             return;
 
+        if (duration == 0 && onStart != null)
+            execute("start", this::executeOnStart);
+
         duration++;
 
         if (maxChecks > -1 && checkCount > maxChecks || maxCount == 0) {