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package jsettlers.logic.map.grid.partition;
import java.io.Serializable;
import jsettlers.logic.map.grid.partition.data.PartitionDataSupplier;
import jsettlers.logic.map.grid.partition.manager.PartitionManager;
import jsettlers.logic.map.grid.partition.manager.materials.offers.IOffersCountListener;
/**
* This class holds the metadata of a partition.
*
* @author Andreas Eberle
*
*/
public final class Partition extends PartitionManager implements Serializable {
private static final long serialVersionUID = -2087692347209993840L;
final short partitionId;
final byte playerId;
private int counter = 0;
private int xSum = 0;
private int ySum = 0;
public Partition(short partitionId, byte playerId, IOffersCountListener countListener) {
super(countListener);
this.partitionId = partitionId;
this.playerId = playerId;
}
public Partition(short partitionId, byte playerId, int size) {
this(partitionId, playerId, null);
this.counter = size;
}
void decrement(int x, int y) {
counter--;
xSum -= x;
ySum -= y;
}
public void increment(int x, int y) {
counter++;
xSum += x;
ySum += y;
}
public void mergeInto(Partition newPartition) {
super.mergeInto(newPartition);
newPartition.counter += this.counter;
newPartition.xSum += xSum;
newPartition.ySum += ySum;
counter = 0;
xSum = 0;
ySum = 0;
}
public void removePositionTo(final int x, final int y, final Partition newPartitionObject) {
if (this == newPartitionObject) {
System.err.println("ERROR: newManager can not be the same as this manager. At (" + x + "|" + y + ")");
}
this.decrement(x, y);
newPartitionObject.increment(x, y);
super.removePositionTo(x, y, newPartitionObject, newPartitionObject.playerId == this.playerId);
if (isEmpty()) { super.stopManager(); }
}
public boolean isEmpty() {
return counter <= 0;
}
public byte getPlayerId() {
return playerId;
}
public int getNumberOfElements() {
return counter;
}
public PartitionDataSupplier getPartitionData() {
return new PartitionDataSupplier(playerId, partitionId, getPartitionSettings(), getMaterialCounts());
}
}