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-rw-r--r--src/jrummikub/model/Hand.java205
-rw-r--r--src/jrummikub/model/IHand.java6
-rw-r--r--src/jrummikub/model/IPlayer.java3
-rw-r--r--src/jrummikub/model/Player.java2
4 files changed, 204 insertions, 12 deletions
diff --git a/src/jrummikub/model/Hand.java b/src/jrummikub/model/Hand.java
index 724a48e..f415620 100644
--- a/src/jrummikub/model/Hand.java
+++ b/src/jrummikub/model/Hand.java
@@ -1,8 +1,13 @@
package jrummikub.model;
-import jrummikub.util.Pair;
+import static jrummikub.model.StoneTray.Direction.LEFT;
+import static jrummikub.model.StoneTray.Direction.RIGHT;
+
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.TreeMap;
-import static jrummikub.model.StoneTray.Direction.*;
+import jrummikub.util.Pair;
/** Class managing a {@link Player}'s {@link Stone}s */
public class Hand extends StoneTray<Stone> implements IHand {
@@ -10,9 +15,15 @@ public class Hand extends StoneTray<Stone> implements IHand {
* The width of the hand
*/
public final static int WIDTH = 14;
-
+
private GameSettings settings;
-
+
+ /**
+ * Create a new empty hand with given game settings
+ *
+ * @param settings
+ * the game settings
+ */
public Hand(GameSettings settings) {
this.settings = settings;
}
@@ -42,8 +53,8 @@ public class Hand extends StoneTray<Stone> implements IHand {
}
@Override
- protected Pair<Position, Direction> fixInvalidDrop(Stone stone, Position pos,
- Direction dir) {
+ protected Pair<Position, Direction> fixInvalidDrop(Stone stone,
+ Position pos, Direction dir) {
float x = pos.getX();
float y = pos.getY();
@@ -54,16 +65,18 @@ public class Hand extends StoneTray<Stone> implements IHand {
return new Pair<Position, Direction>(new Position(0, y), RIGHT);
} else {
if (getFreeRowSpace((int) y) == 0) {
- return new Pair<Position, Direction>(new Position(0, y + 1), RIGHT);
+ return new Pair<Position, Direction>(new Position(0, y + 1),
+ RIGHT);
} else {
- return new Pair<Position, Direction>(new Position(WIDTH - 1, y), LEFT);
+ return new Pair<Position, Direction>(
+ new Position(WIDTH - 1, y), LEFT);
}
}
}
public int getStonePoints() {
int points = 0;
-
+
for (Pair<Stone, Position> entry : this) {
if (entry.getFirst().isJoker()) {
points += settings.getJokerPoints();
@@ -71,13 +84,181 @@ public class Hand extends StoneTray<Stone> implements IHand {
points += entry.getFirst().getValue();
}
}
-
+
return points;
}
+ private final static Comparator<Pair<Integer, StoneColor>> comparator = new Comparator<Pair<Integer, StoneColor>>() {
+
+ @Override
+ public int compare(Pair<Integer, StoneColor> o1,
+ Pair<Integer, StoneColor> o2) {
+ int firstComparison = o1.getFirst().compareTo(o2.getFirst());
+ if (firstComparison != 0) {
+ return -firstComparison;
+ } else {
+ return o1.getSecond().compareTo(o2.getSecond());
+ }
+ }
+ };
+
@Override
public boolean isInitialMeldPossible() {
- // TODO Auto-generated method stub
- throw new Error("not implemented");
+ int jokerCount = 0;
+ TreeMap<Pair<Integer, StoneColor>, Integer> stoneCounts = new TreeMap<Pair<Integer, StoneColor>, Integer>(
+ comparator);
+
+ for (Pair<Stone, Position> entry : this) {
+ if (entry.getFirst().isJoker()) {
+ jokerCount++;
+ } else {
+ Pair<Integer, StoneColor> key = new Pair<Integer, StoneColor>(
+ entry.getFirst().getValue(), entry.getFirst()
+ .getColor());
+
+ incrementStoneCount(stoneCounts, key);
+ }
+ }
+
+ return findSetsWithTotalPoints(settings.getInitialMeldThreshold(),
+ stoneCounts, jokerCount);
+ }
+
+ private void incrementStoneCount(
+ TreeMap<Pair<Integer, StoneColor>, Integer> stones,
+ Pair<Integer, StoneColor> stone) {
+ if (stones.containsKey(stone)) {
+ stones.put(stone, stones.get(stone) + 1);
+ } else {
+ stones.put(stone, 1);
+ }
+ }
+
+ private void decrementStoneCount(
+ TreeMap<Pair<Integer, StoneColor>, Integer> stones,
+ Pair<Integer, StoneColor> stone) {
+ int count = stones.get(stone);
+ count--;
+
+ if (count == 0) {
+ stones.remove(stone);
+ } else {
+ stones.put(stone, count);
+ }
+ }
+
+ @SuppressWarnings("unchecked")
+ private boolean findSetsWithTotalPoints(int pointsMissing,
+ TreeMap<Pair<Integer, StoneColor>, Integer> stoneCounts,
+ int jokerCount) {
+
+ if (pointsMissing <= 0) {
+ return true;
+ }
+
+ stoneCounts = (TreeMap<Pair<Integer, StoneColor>, Integer>) stoneCounts
+ .clone();
+
+ for (int value = 13; value >= 1; value--) {
+ for (StoneColor color : StoneColor.values()) {
+ Pair<Integer, StoneColor> stone = new Pair<Integer, StoneColor>(
+ value, color);
+
+ if (stoneCounts.containsKey(stone)) {
+ decrementStoneCount(stoneCounts, stone);
+
+ if (findRunsWithTotalPoints(pointsMissing - value,
+ stoneCounts, jokerCount, stone, 1))
+ return true;
+ if (findGroupsWithTotalPoints(pointsMissing - value,
+ stoneCounts, jokerCount, stone, 1))
+ return true;
+ }
+
+ if (jokerCount > 0) {
+ if (findRunsWithTotalPoints(pointsMissing - value,
+ stoneCounts, jokerCount - 1, stone, 1))
+ return true;
+ if (findGroupsWithTotalPoints(pointsMissing - value,
+ stoneCounts, jokerCount - 1, stone, 1))
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ private StoneColor getNextColor(StoneColor color) {
+ int index = Arrays.binarySearch(StoneColor.values(), color) + 1;
+ if (index >= StoneColor.values().length) {
+ return null;
+ }
+ return StoneColor.values()[index];
+ }
+
+ private boolean findGroupsWithTotalPoints(int pointsMissing,
+ TreeMap<Pair<Integer, StoneColor>, Integer> stoneCounts,
+ int jokerCount, Pair<Integer, StoneColor> stone, int groupSize) {
+
+ StoneColor nextColor = getNextColor(stone.getSecond());
+ Pair<Integer, StoneColor> nextStone = new Pair<Integer, StoneColor>(
+ stone.getFirst(), nextColor);
+
+ if (nextColor != null) {
+ if (stoneCounts.containsKey(nextStone)) {
+ decrementStoneCount(stoneCounts, nextStone);
+ if (findGroupsWithTotalPoints(pointsMissing - stone.getFirst(),
+ stoneCounts, jokerCount, nextStone, groupSize + 1))
+ return true;
+ incrementStoneCount(stoneCounts, nextStone);
+ }
+ if (jokerCount > 0) {
+ if (findGroupsWithTotalPoints(pointsMissing - stone.getFirst(),
+ stoneCounts, jokerCount - 1, nextStone, groupSize + 1))
+ return true;
+ }
+ if (findGroupsWithTotalPoints(pointsMissing, stoneCounts,
+ jokerCount, nextStone, groupSize))
+ return true;
+ }
+
+ if (groupSize >= 3) {
+ if (findSetsWithTotalPoints(pointsMissing, stoneCounts, jokerCount))
+ return true;
+ }
+ return false;
+ }
+
+ private boolean findRunsWithTotalPoints(int pointsMissing,
+ TreeMap<Pair<Integer, StoneColor>, Integer> stoneCounts,
+ int jokerCount, Pair<Integer, StoneColor> stone, int runLength) {
+
+ Pair<Integer, StoneColor> nextStone = null;
+ if (stone.getFirst() > 1) {
+ int nextValue = stone.getFirst() - 1;
+ nextStone = new Pair<Integer, StoneColor>(nextValue,
+ stone.getSecond());
+
+ if (stoneCounts.containsKey(nextStone)) {
+ decrementStoneCount(stoneCounts, nextStone);
+ if (findRunsWithTotalPoints(pointsMissing - nextValue,
+ stoneCounts, jokerCount, nextStone, runLength + 1))
+ return true;
+ incrementStoneCount(stoneCounts, nextStone);
+
+ }
+ if (jokerCount > 0) {
+ if (findRunsWithTotalPoints(pointsMissing - nextValue,
+ stoneCounts, jokerCount - 1, nextStone, runLength + 1))
+ return true;
+ }
+ }
+
+ if (runLength >= 3) {
+ if (findSetsWithTotalPoints(pointsMissing, stoneCounts, jokerCount))
+ return true;
+ }
+ return false;
}
}
diff --git a/src/jrummikub/model/IHand.java b/src/jrummikub/model/IHand.java
index a58c7be..afe5c12 100644
--- a/src/jrummikub/model/IHand.java
+++ b/src/jrummikub/model/IHand.java
@@ -28,5 +28,11 @@ public interface IHand extends IStoneTray<Stone> {
*/
int getStonePoints();
+ /**
+ * Tests whether it is possible to lay down an initial meld using the stones
+ * on the hand
+ *
+ * @return true if an initial meld is possible
+ */
public abstract boolean isInitialMeldPossible();
}
diff --git a/src/jrummikub/model/IPlayer.java b/src/jrummikub/model/IPlayer.java
index 6c4a9ae..0545352 100644
--- a/src/jrummikub/model/IPlayer.java
+++ b/src/jrummikub/model/IPlayer.java
@@ -29,6 +29,9 @@ public interface IPlayer {
/**
* Set if the player laid out
*
+ * @param laidOut
+ * the player laid out
+ *
*/
void setLaidOut(boolean laidOut);
} \ No newline at end of file
diff --git a/src/jrummikub/model/Player.java b/src/jrummikub/model/Player.java
index 6d3e6d6..1d54c4a 100644
--- a/src/jrummikub/model/Player.java
+++ b/src/jrummikub/model/Player.java
@@ -11,6 +11,8 @@ public class Player implements IPlayer {
*
* @param settings
* the player settings
+ * @param gameSettings
+ * the game settings
*/
public Player(PlayerSettings settings, GameSettings gameSettings) {
this.settings = settings;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 12:52:06 +0100