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 *
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package jsettlers.ai.construction;

import static jsettlers.common.movable.EMovableType.DIGGER;

import java.util.ArrayList;
import java.util.List;

import jsettlers.ai.highlevel.AiStatistics;
import jsettlers.algorithms.construction.AbstractConstructionMarkableMap;
import jsettlers.common.buildings.EBuildingType;
import jsettlers.common.position.ShortPoint2D;

/**
 * Assumptions: farms and winegrowers are placed near by diggers and with free space at the south
 * 
 * Algorithm: find all possible construction points within the borders of the player where the south is free - calculates a score and take the
 * position with the best score - score is affected by the distance to all diggers
 * 
 * @author codingberlin
 */
public class BestFarmAndWineGrowerConstructionPositionFinder implements IBestConstructionPositionFinder {

	EBuildingType buildingType;

	public BestFarmAndWineGrowerConstructionPositionFinder(EBuildingType buildingType) {
		this.buildingType = buildingType;
	}

	@Override
	public ShortPoint2D findBestConstructionPosition(AiStatistics aiStatistics, AbstractConstructionMarkableMap constructionMap, byte playerId) {
		List<ShortPoint2D> diggers = aiStatistics.getMovablePositionsByTypeForPlayer(DIGGER, playerId);
		List<ScoredConstructionPosition> scoredConstructionPositions = new ArrayList<ScoredConstructionPosition>();

		for (ShortPoint2D point : aiStatistics.getLandForPlayer(playerId)) {
			if (constructionMap.canConstructAt(point.x, point.y, buildingType, playerId) && !aiStatistics.blocksWorkingAreaOfOtherBuilding(point)
					&& aiStatistics.southIsFreeForPlayer(point, playerId)) {
				ShortPoint2D nearestDiggerPosition = aiStatistics.detectNearestPointFromList(point, diggers);
				int nearestDiggerDistance = point.getOnGridDistTo(nearestDiggerPosition);
				scoredConstructionPositions.add(new ScoredConstructionPosition(point, nearestDiggerDistance));
			}
		}

		return ScoredConstructionPosition.detectPositionWithLowestScore(scoredConstructionPositions);
	}
}

@@ -2985,16 +2985,89 @@
 stance =
+ 0;%0A%09%09%09%09if (nearestDiggerPosition != null) %7B%0A%09%09%09%09%09nearestDiggerDistance =
  point.g
@@ -3105,16 +3105,22 @@
 ition);%0A
+%09%09%09%09%7D%0A
 %09%09%09%09scor

fix NullPointerException