Juhu, StoneTray ist fertig und getestet!!

git-svn-id: svn://sunsvr01.isp.uni-luebeck.de/swproj13/trunk@40 72836036-5685-4462-b002-a69064685172

src/jrummikub/model/StoneTray.java

@@ -1,15 +1,19 @@
 package jrummikub.model;
 
+import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 
 import jrummikub.util.Pair;
 
-/** A StoneTray is a collection of positioned objects (for example {@link Stone}s or {@link StoneSet}s.  */
-public class StoneTray<E extends Sizeable> implements Iterable<Pair<E, Position>> {
-	protected List<E> objects;
-	protected List<Position> positions;
-	
+/**
+ * A StoneTray is a collection of positioned objects (for example {@link Stone}s
+ * or {@link StoneSet}s.
+ */
+public class StoneTray<E extends Sizeable> implements
+		Iterable<Pair<E, Position>> {
+	protected List<Pair<E, Position>> objects = new ArrayList<Pair<E, Position>>();
+
 	/**
 	 * Removes object from tray and returns it
 	 * 
@@ -17,9 +21,30 @@ public class StoneTray<E extends Sizeable> implements Iterable<Pair<E, Position>
 	 *            position of the object that will be removed
 	 */
 	public E pickUp(Position position) {
-
+		for (Pair<E, Position> i : objects) {
+			Position currentPosition = i.getSecond();
+			E currentObject = i.getFirst();
+			// Tests if position is left of, above ... the current object
+			if (position.getX() < currentPosition.getX()) {
+				continue;
+			}
+			if (position.getY() < currentPosition.getY()) {
+				continue;
+			}
+			if (position.getX() > currentPosition.getX()
+					+ currentObject.getWidth()) {
+				continue;
+			}
+			if (position.getY() > currentPosition.getY()
+					+ currentObject.getHeight()) {
+				continue;
+			}
+			// Position is inside the current object
+			objects.remove(i);
+			return currentObject;
+		}
+		return null;
 	}
-	
 
 	/**
 	 * Adds object to the tray
@@ -30,20 +55,115 @@ public class StoneTray<E extends Sizeable> implements Iterable<Pair<E, Position>
 	 *            {@link Position} to put the object
 	 */
 	public void drop(E object, Position position) {
-
+		drop(object, position, null);
 	}
 
-
-	public Position getPosition (E object) {
-
-		
+	private void drop(E object, Position position, Direction direction) {
+		for (Pair<E, Position> i : objects) {
+			Position currentPosition = i.getSecond();
+			E currentObject = i.getFirst();
+			// Tests if position is left of, above ... the current object
+			if (position.getX() + object.getWidth() <= currentPosition.getX()) {
+				continue;
+			}
+			if (position.getY() + object.getHeight() <= currentPosition.getY()) {
+				continue;
+			}
+			if (position.getX() >= currentPosition.getX()
+					+ currentObject.getWidth()) {
+				continue;
+			}
+			if (position.getY() >= currentPosition.getY()
+					+ currentObject.getHeight()) {
+				continue;
+			}
+			// Object would be placed inside the current object
+			if (direction == null) {
+				direction = getMoveDirection(object, position, i);
+			}
+			Position newPosition = null;
+			// TODO dinge bewegen
+			switch (direction) {
+			case TOP:
+				newPosition = new Position(i.getSecond().getX(),
+						position.getY() - currentObject.getHeight());
+				break;
+			case BOTTOM:
+				newPosition = new Position(currentPosition.getX(),
+						position.getY() + object.getHeight());
+				break;
+			case LEFT:
+				newPosition = new Position(position.getX()
+						- currentObject.getWidth(), currentPosition.getY());
+				break;
+			case RIGHT:
+				newPosition = new Position(position.getX() + object.getWidth(),
+						currentPosition.getY());
+				break;
+			}
+			objects.remove(i);
+			drop(currentObject, newPosition, direction);
+		}
+		objects.add(new Pair<E, Position>(object, position));
 	}
 
+	private Direction getMoveDirection(E object, Position position,
+			Pair<E, Position> blocking) {
+		boolean isVertical = getMoveOrientationn(object, position, blocking);
+		float objectMidpointX = position.getX() + object.getWidth() / 2;
+		float objectMidpointY = position.getY() + object.getHeight() / 2;
+		float blockingMidpointX = blocking.getSecond().getX()
+				+ blocking.getFirst().getWidth() / 2;
+		float blockingMidpointY = blocking.getSecond().getY()
+				+ blocking.getFirst().getHeight() / 2;
+		if (isVertical) {
+			if (objectMidpointY < blockingMidpointY) {
+				return Direction.BOTTOM;
+			} else {
+				return Direction.TOP;
+			}
+		} else {
+			if (objectMidpointX < blockingMidpointX) {
+				return Direction.RIGHT;
+			} else {
+				return Direction.LEFT;
+			}
+		}
+	}
+
+	private boolean getMoveOrientationn(E object, Position position,
+			Pair<E, Position> blocking) {
+		float objectRight = position.getX() + object.getWidth();
+		float blockingRight = blocking.getSecond().getX()
+				+ blocking.getFirst().getWidth();
+		float overlapRight = Math.min(objectRight, blockingRight);
+		float overlapLeft = Math.max(position.getX(), blocking.getSecond()
+				.getX());
+		float overlapX = overlapRight - overlapLeft;
+		float objectBottom = position.getY() + object.getHeight();
+		float blockingBottom = blocking.getSecond().getY()
+				+ blocking.getFirst().getHeight();
+		float overlapBottom = Math.min(objectBottom, blockingBottom);
+		float overlapTop = Math.max(position.getY(), blocking.getSecond()
+				.getY());
+		float overlapY = overlapBottom - overlapTop;
+		// vertical or horizontal Shift
+		// TODO magic factor
+		return overlapX > overlapY;
+	}
+
+	public Position getPosition(E object) {
+		for (Pair<E, Position> i : objects) {
+			if (object.equals(i.getFirst())) {
+				return i.getSecond();
+			}
+		}
+		return null;
+	}
 
 	@Override
 	public Iterator<Pair<E, Position>> iterator() {
-		// TODO Auto-generated method stub
-		return null;
+		return objects.iterator();
 	}
-	
+
 }

test/jrummikub/model/StoneTrayTest.java

@@ -38,7 +38,7 @@ public class StoneTrayTest {
 	}
 
 	@Test
-	public void testRightDrop() {
+	public void testDrop() {
 		Thing firstThing = new Thing(3, 4);
 		testTray.drop(firstThing, new Position(5, 23));
 		Thing secondThing = new Thing(5, 8);