CuttingBuildingTargetFinder.java

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package jsettlers.ai.highlevel.pioneers.target;

import jsettlers.ai.highlevel.AiPositions;
import jsettlers.ai.highlevel.AiStatistics;
import jsettlers.common.CommonConstants;
import jsettlers.common.buildings.EBuildingType;
import jsettlers.common.mapobject.EMapObjectType;
import jsettlers.common.position.ShortPoint2D;

/**
 * @author codingberlin
 */
public abstract class CuttingBuildingTargetFinder extends AbstractPioneerTargetFinder {

	protected final EBuildingType buildingType;
	protected final int cuttableObjectsPerBuilding;
	protected final EMapObjectType cuttableObjectType;

	public CuttingBuildingTargetFinder(AiStatistics aiStatistics, byte playerId, int searchDistance, EBuildingType buildingType,
			int cuttableObjectsPerBuilding, EMapObjectType cuttableObjectType) {
		super(aiStatistics, playerId, searchDistance);
		this.buildingType = buildingType;
		this.cuttableObjectsPerBuilding = cuttableObjectsPerBuilding;
		this.cuttableObjectType = cuttableObjectType;
	}

	protected ShortPoint2D findTarget(AiPositions playerBorder, ShortPoint2D center, int cuttableObjectsCount) {
		int buildingCount = aiStatistics.getTotalNumberOfBuildingTypeForPlayer(buildingType, playerId) + 1;
		if (cuttableObjectsCount > buildingCount * cuttableObjectsPerBuilding)
			return null;

		ShortPoint2D nearestCuttableObject = aiStatistics.getNearestCuttableObjectPointInDefaultPartitionFor(
				center, cuttableObjectType, searchDistance, new SameBlockedPartitionLikePlayerFilter(aiStatistics, playerId));
		if (nearestCuttableObject == null)
			return null;

		return playerBorder.getNearestPoint(nearestCuttableObject, CommonConstants.TOWER_RADIUS);
	}
}