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package jrummikub.model;
import jrummikub.util.Pair;
/** Class administering the {@link Stone}s on the game-Table */
public class Table extends StoneTray<StoneSet> implements ITable {
private static final long serialVersionUID = 2433091681355019937L;
private GameSettings gameSettings;
private static class StoneInfo {
StoneSet set;
Position setPosition;
int stonePosition;
public StoneInfo(StoneSet set, Position setPosition, int stonePosition) {
this.set = set;
this.setPosition = setPosition;
this.stonePosition = stonePosition;
}
}
/**
* Constructor for a table
*
* @param settings
* GameSettings
*/
public Table(GameSettings settings) {
gameSettings = settings;
}
/**
* Removes {@link Stone} from the Table
*
* @param stone
* stone to pick up
*/
@Override
public void pickUpStone(Stone stone) {
StoneInfo info = findStoneInfo(stone);
if (info != null) {
splitSet(info.set, info.setPosition, info.stonePosition);
}
}
private StoneInfo findStoneInfo(Stone stone) {
// Find the set of the stone
StoneInfo info;
StoneSet set = null;
Position setPosition = null;
int stonePosition = 0;
setLoop: for (Pair<StoneSet, Position> i : this) {
set = i.getFirst();
setPosition = i.getSecond();
stonePosition = 0;
for (Stone j : set) {
if (j == stone) {
break setLoop;
}
stonePosition++;
}
set = null;
}
// Stone not found
if (set == null) {
info = null;
} else {
info = new StoneInfo(set, setPosition, stonePosition);
}
return info;
}
@Override
public StoneSet findStoneSet(Stone stone) {
StoneInfo info = findStoneInfo(stone);
if (info == null) {
return null;
}
return info.set;
}
private void splitSet(StoneSet set, Position setPosition, int stonePosition) {
pickUp(set);
Pair<StoneSet, StoneSet> firstSplit = set.splitAt(stonePosition);
Pair<StoneSet, StoneSet> secondSplit = firstSplit.getSecond().splitAt(1);
StoneSet leftSet = firstSplit.getFirst();
StoneSet rightSet = secondSplit.getSecond();
if (set.classify(gameSettings).getFirst() == StoneSet.Type.RUN) {
Position leftPosition, rightPosition;
leftPosition = setPosition;
rightPosition = new Position(setPosition.getX() + stonePosition + 1,
setPosition.getY());
drop(leftSet, leftPosition);
drop(rightSet, rightPosition);
} else {
Position newPosition = new Position(setPosition.getX() + 0.5f,
setPosition.getY());
if (leftSet == null) {
drop(rightSet, newPosition);
} else if (rightSet == null) {
drop(leftSet, newPosition);
} else {
drop(leftSet.join(rightSet), newPosition);
}
}
}
/** Tests the Table for rule conflicts by checking all the {@link StoneSet} */
@Override
public boolean isValid() {
for (Pair<StoneSet, Position> i : this) {
if (!i.getFirst().isValid(gameSettings)) {
return false;
}
}
return true;
}
}
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