From d276b03c395e7c0e44740174168c0d98a8eaa06c Mon Sep 17 00:00:00 2001
From: Bennet Gerlach <bennet_gerlach@web.de>
Date: Tue, 31 May 2011 03:45:32 +0200
Subject: AIUtil now needs game settings, both hand and player do not anymore

git-svn-id: svn://sunsvr01.isp.uni-luebeck.de/swproj13/trunk@342 72836036-5685-4462-b002-a69064685172
---
 src/jrummikub/control/AIUtil.java | 38 ++++++++++++++++++++++++++------------
 1 file changed, 26 insertions(+), 12 deletions(-)

(limited to 'src/jrummikub/control/AIUtil.java')

diff --git a/src/jrummikub/control/AIUtil.java b/src/jrummikub/control/AIUtil.java
index bf6a078..1501483 100644
--- a/src/jrummikub/control/AIUtil.java
+++ b/src/jrummikub/control/AIUtil.java
@@ -7,18 +7,33 @@ import java.util.Comparator;
 import java.util.List;
 import java.util.TreeMap;
 
+import jrummikub.model.GameSettings;
 import jrummikub.model.Stone;
 import jrummikub.model.StoneColor;
 import jrummikub.model.StoneSet;
 import jrummikub.util.Pair;
 
 /**
- * A collection of several AI utility methods
+ * A collection of several AI utility methods with given game settings
  * 
  */
 public class AIUtil {
 
-	private AIUtil() {
+	GameSettings settings;
+	List<StoneColor> stoneColors;
+
+	/**
+	 * The utility class's methods calculate their results based on the game
+	 * settings
+	 * 
+	 * @param settings
+	 *          the underlying game settings
+	 */
+	public AIUtil(GameSettings settings) {
+		this.settings = settings;
+
+		stoneColors = new ArrayList<StoneColor>(Arrays.asList(StoneColor.values()));
+		stoneColors.retainAll(settings.getStoneColors());
 	}
 
 	private static class SearchState {
@@ -47,7 +62,7 @@ public class AIUtil {
 	 * @return the sets that have the desired point total or the highest found
 	 */
 	@SuppressWarnings("unchecked")
-	public static Pair<List<StoneSet>, Integer> findSetsWithTotalPoints(
+	public Pair<List<StoneSet>, Integer> findSetsWithTotalPoints(
 			int pointsMissing,
 			TreeMap<Pair<Integer, StoneColor>, Integer> stoneCounts, int jokerCount) {
 
@@ -63,14 +78,13 @@ public class AIUtil {
 		bestResult = new Pair<List<StoneSet>, Integer>(
 				Collections.<StoneSet> emptyList(), 0);
 
-		for (int value = 13; value >= 1; value--) {
-			for (StoneColor color : StoneColor.values()) {
+		for (int value = settings.getHighestValue(); value >= 1; value--) {
+			for (StoneColor color : stoneColors) {
 				Pair<Integer, StoneColor> stone = new Pair<Integer, StoneColor>(value,
 						color);
 
 				if (stoneCounts.containsKey(stone)) {
 					decrementStoneCount(stoneCounts, stone);
-
 					result = findRunsWithTotalPoints(new SearchState(pointsMissing
 							- value, stoneCounts, jokerCount), stone, 1);
 					if (result.getSecond() >= pointsMissing)
@@ -109,7 +123,7 @@ public class AIUtil {
 		return bestResult;
 	}
 
-	private static Pair<List<StoneSet>, Integer> findGroupsWithTotalPoints(
+	private Pair<List<StoneSet>, Integer> findGroupsWithTotalPoints(
 			SearchState searchState, int value, List<StoneColor> chosenColors,
 			StoneColor testedColor) {
 
@@ -175,7 +189,7 @@ public class AIUtil {
 		return bestResult;
 	}
 
-	private static Pair<List<StoneSet>, Integer> findRunsWithTotalPoints(
+	private Pair<List<StoneSet>, Integer> findRunsWithTotalPoints(
 			SearchState searchState, Pair<Integer, StoneColor> testedStone,
 			int runLength) {
 
@@ -262,12 +276,12 @@ public class AIUtil {
 		}
 	}
 
-	static StoneColor getNextColor(StoneColor color) {
-		int index = Arrays.binarySearch(StoneColor.values(), color) + 1;
-		if (index >= StoneColor.values().length) {
+	StoneColor getNextColor(StoneColor color) {
+		int index = stoneColors.indexOf(color) + 1;
+		if (index >= stoneColors.size()) {
 			return null;
 		}
-		return StoneColor.values()[index];
+		return stoneColors.get(index);
 	}
 
 	private final static Comparator<Pair<Integer, StoneColor>> comparator = new Comparator<Pair<Integer, StoneColor>>() {
-- 
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