Spielemaschine als UNterbau für Spiele mit der ZM

src/schule/ngb/zm/Spielemaschine.java

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+package schule.ngb.zm;
+
+import java.awt.Graphics;
+import java.util.LinkedList;
+
+public class Spielemaschine extends Zeichenmaschine {
+
+	private LinkedList<Drawable> drawables;
+
+	private LinkedList<Updatable> updatables;
+
+	public Spielemaschine( String title ) {
+		this(STD_WIDTH, STD_HEIGHT, title);
+	}
+
+
+	private GraphicsLayer mainLayer;
+
+	public Spielemaschine( int width, int height, String title ) {
+		super(width, height, title, false);
+
+		drawables = new LinkedList<>();
+		updatables = new LinkedList<>();
+
+		canvas.removeLayers(drawing, shapes);
+		drawing = null;
+		shapes = null;
+
+		mainLayer = new GraphicsLayer();
+		canvas.addLayer(mainLayer);
+	}
+
+	public final void add( Object... pObjects ) {
+		for( Object obj : pObjects ) {
+			if( obj instanceof Drawable ) {
+				addDrawable((Drawable) obj);
+			}
+			if( obj instanceof Updatable ) {
+				addUpdatable((Updatable) obj);
+			}
+		}
+	}
+
+	public final void addDrawable( Drawable pDrawable ) {
+		synchronized( drawables ) {
+			drawables.add(pDrawable);
+		}
+	}
+
+	public final void addUpdatable( Updatable pUpdatable ) {
+		synchronized( updatables ) {
+			updatables.add(pUpdatable);
+		}
+	}
+
+	public final void remove( Object... pObjects ) {
+		for( Object obj : pObjects ) {
+			if( obj instanceof Drawable ) {
+				removeDrawable((Drawable) obj);
+			}
+			if( obj instanceof Updatable ) {
+				removeUpdatable((Updatable) obj);
+			}
+		}
+	}
+
+	public final void removeDrawable( Drawable pDrawable ) {
+		synchronized( drawables ) {
+			drawables.remove(pDrawable);
+		}
+	}
+
+	public final void removeUpdatable( Updatable pUpdatable ) {
+		synchronized( updatables ) {
+			updatables.remove(pUpdatable);
+		}
+	}
+
+	@Override
+	public final void update( double delta ) {
+		synchronized( updatables ) {
+			for( Updatable updatable : updatables ) {
+				if( updatable.isActive() ) {
+					updatable.update(delta);
+				}
+			}
+		}
+	}
+
+	@Override
+	public final void draw() {
+		mainLayer.clear();
+		synchronized( drawables ) {
+			for( Drawable drawable : drawables ) {
+				if( drawable.isVisible() ) {
+					drawable.draw(mainLayer.getGraphics());
+				}
+			}
+		}
+	}
+
+}