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package jsettlers.ai.construction;
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.RelativePoint;
import jsettlers.common.position.ShortPoint2D;
import jsettlers.logic.map.grid.MainGrid;
/**
* @author codingberlin
*/
abstract public class BestPlantingBuildingConstructionPositionFinder implements IBestConstructionPositionFinder {
@Override
public ShortPoint2D findBestConstructionPosition(
AiStatistics aiStatistics, AbstractConstructionMarkableMap constructionMap, byte playerId) {
List<ScoredConstructionPosition> scoredConstructionPositions = new ArrayList<ScoredConstructionPosition>();
for (ShortPoint2D point : aiStatistics.getLandForPlayer(playerId)) {
if (constructionMap.canConstructAt(point.x, point.y, myBuildingType(), playerId)
&& !aiStatistics.blocksWorkingAreaOfOtherBuilding(point, playerId, myBuildingType())) {
int score = calculateScoreFor(point, aiStatistics.getMainGrid(), playerId);
if (score > 0) {
scoredConstructionPositions.add(new ScoredConstructionPosition(point, -score));
}
}
}
return ScoredConstructionPosition.detectPositionWithLowestScore(scoredConstructionPositions);
}
private int calculateScoreFor(ShortPoint2D point, MainGrid mainGrid, byte playerId) {
int score = 0;
for (RelativePoint relativePoint : myRelativeWorkAreaPoints()) {
ShortPoint2D workAreaPoint = relativePoint.calculatePoint(point);
if (mainGrid.isInBounds(workAreaPoint.x, workAreaPoint.y)
&& mainGrid.getPartitionsGrid().getPlayerIdAt(workAreaPoint.x, workAreaPoint.y) == playerId
&& isMyPlantPlantable(mainGrid, workAreaPoint)) {
score++;
}
}
return score;
}
protected static RelativePoint[] calculateMyRelativeWorkAreaPoints(EBuildingType myBuildingType) {
List<RelativePoint> workAreaPoints = new ArrayList<RelativePoint>();
RelativePoint center = myBuildingType.getDefaultWorkcenter();
short workRadius = myBuildingType.getWorkRadius();
for (short x = (short) -workRadius; x < workRadius; x++) {
for (short y = (short) -workRadius; y < workRadius; y++) {
if (Math.sqrt(x * x + y * y) <= workRadius) {
workAreaPoints.add(new RelativePoint(center.getDx() + x, center.getDy() + y));
}
}
}
RelativePoint[] relativeWorkAreaPoints = new RelativePoint[workAreaPoints.size()];
relativeWorkAreaPoints = workAreaPoints.toArray(relativeWorkAreaPoints);
return relativeWorkAreaPoints;
}
abstract protected EBuildingType myBuildingType();
abstract protected RelativePoint[] myRelativeWorkAreaPoints();
abstract protected boolean isMyPlantPlantable(MainGrid mainGrid, ShortPoint2D position);
}