From d9a0b0e37dbdde6d60fa4ee41c2a100547e7824b Mon Sep 17 00:00:00 2001
From: Jannis Harder <harder@informatik.uni-luebeck.de>
Date: Tue, 24 May 2011 01:51:53 +0200
Subject: Implemented special case round end (heap empty)

git-svn-id: svn://sunsvr01.isp.uni-luebeck.de/swproj13/trunk@262 72836036-5685-4462-b002-a69064685172
---
 src/jrummikub/model/IRoundState.java | 21 +++++++++++++++++++--
 src/jrummikub/model/RoundState.java  | 19 +++++++++++++++++--
 src/jrummikub/model/StoneHeap.java   |  4 ++++
 3 files changed, 40 insertions(+), 4 deletions(-)

(limited to 'src/jrummikub/model')

diff --git a/src/jrummikub/model/IRoundState.java b/src/jrummikub/model/IRoundState.java
index af7a478..dea225b 100644
--- a/src/jrummikub/model/IRoundState.java
+++ b/src/jrummikub/model/IRoundState.java
@@ -23,7 +23,7 @@ public interface IRoundState {
 	 * Sets the current {@link Table}
 	 * 
 	 * @param table
-	 *          The new Table
+	 *            The new Table
 	 */
 	public void setTable(ITable table);
 
@@ -55,9 +55,26 @@ public interface IRoundState {
 	 * Returns the player that would be the active player after i turns
 	 * 
 	 * @param i
-	 *          number of turns
+	 *            number of turns
 	 * @return player active after i turns
 	 */
 	public IPlayer getNthNextPlayer(int i);
 
+	/**
+	 * Sets the player that will make the last turn before the round ends when
+	 * the heap is empty
+	 * 
+	 * @param lastPlayer
+	 *            the last player
+	 */
+	public abstract IPlayer getLastPlayer();
+
+	/**
+	 * Gets the player that will make the last turn before the round ends when
+	 * the heap is empty
+	 * 
+	 * @return lastPlayer the last player
+	 */
+	public abstract void setLastPlayer(IPlayer lastPlayer);
+
 }
\ No newline at end of file
diff --git a/src/jrummikub/model/RoundState.java b/src/jrummikub/model/RoundState.java
index 56f7904..0bda737 100644
--- a/src/jrummikub/model/RoundState.java
+++ b/src/jrummikub/model/RoundState.java
@@ -11,12 +11,13 @@ public class RoundState implements IRoundState {
 	private List<Player> players;
 	private int activePlayer;
 	private StoneHeap gameHeap;
+	private IPlayer lastPlayer;
 
 	/**
 	 * Create a new RoundState with an empty table
 	 * 
 	 * @param gameSettings
-	 *          the game settings
+	 *            the game settings
 	 */
 	public RoundState(GameSettings gameSettings) {
 		this.gameSettings = gameSettings;
@@ -54,7 +55,11 @@ public class RoundState implements IRoundState {
 
 	@Override
 	public IPlayer getNthNextPlayer(int i) {
-		return players.get((activePlayer + i) % players.size());
+		int j = (activePlayer + i) % players.size();
+		if (j < 0) {
+			j += players.size();
+		}
+		return players.get(j);
 	}
 
 	@Override
@@ -71,4 +76,14 @@ public class RoundState implements IRoundState {
 	public GameSettings getGameSettings() {
 		return gameSettings;
 	}
+
+	@Override
+	public void setLastPlayer(IPlayer lastPlayer) {
+		this.lastPlayer = lastPlayer;
+	}
+
+	@Override
+	public IPlayer getLastPlayer() {
+		return lastPlayer;
+	}
 }
diff --git a/src/jrummikub/model/StoneHeap.java b/src/jrummikub/model/StoneHeap.java
index c013570..048f6e7 100644
--- a/src/jrummikub/model/StoneHeap.java
+++ b/src/jrummikub/model/StoneHeap.java
@@ -36,6 +36,9 @@ public class StoneHeap {
 	 * @return the drawn stone
 	 */
 	public Stone drawStone() {
+		if (heap.isEmpty()) {
+			return null;
+		}
 		return heap.remove(generator.nextInt(heap.size()));
 	}
 
@@ -48,6 +51,7 @@ public class StoneHeap {
 	 */
 	public List<Stone> drawStones(int number) {
 		List<Stone> drawnStones = new ArrayList<Stone>();
+		number = Math.min(number, heap.size());
 		for (int i = 0; i < number; i++) {
 			drawnStones.add(drawStone());
 		}
-- 
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