Merge branch 'tasks' into anim

src/schule/ngb/zm/tasks/DelayedTask.java

@@ -56,10 +56,14 @@ public abstract class DelayedTask extends Task implements Delayed {
 			}
 		}
 
+		initialize();
+
 		running = true;
 		this.update(0.0);
 		running = false;
 		done = true;
+
+		finish();
 	}
 
 }

src/schule/ngb/zm/tasks/FrameSynchronizedTask.java

@@ -19,6 +19,8 @@ public abstract class FrameSynchronizedTask extends Task {
 
 	@Override
 	public void run() {
+		initialize();
+
 		running = true;
 		int lastTick = 0;
 		Object lock = Zeichenmaschine.globalSyncLock;
@@ -40,6 +42,8 @@ public abstract class FrameSynchronizedTask extends Task {
 
 		running = false;
 		done = true;
+
+		finish();
 	}
 
 	@Override
@@ -47,4 +51,5 @@ public abstract class FrameSynchronizedTask extends Task {
 		return false;
 	}
 
+
 }

src/schule/ngb/zm/tasks/RateLimitedTask.java

@@ -10,6 +10,8 @@ public abstract class RateLimitedTask extends Task {
 			return;
 		}
 
+		initialize();
+
 		// current time in ns
 		long beforeTime = System.nanoTime();
 		// store for deltas
@@ -48,6 +50,8 @@ public abstract class RateLimitedTask extends Task {
 
 		running = false;
 		done = true;
+
+		finish();
 	}
 
 }

src/schule/ngb/zm/tasks/Task.java

@@ -21,4 +21,10 @@ public abstract class Task implements Runnable, Updatable {
 		running = false;
 	}
 
+	protected void initialize() {
+	}
+
+	protected void finish() {
+	}
+
 }