protected void setPosition(
PositionSettings pos, List<HeightInfo> heights, BasicModelData obj, int heightPos) {
HeightInfo height = heights.get(heightPos);
obj.setPosition(
height.getX() + randomizeDouble(-xRatio, xRatio),
randomizeDouble(pos.getMinY(), pos.getMaxY()),
height.getZ() + randomizeDouble(-zRatio, zRatio));
correctPosition(obj, pos, heights);
}
protected void correctPosition(
BasicModelData obj, PositionSettings pos, List<HeightInfo> positions) {
double xVar = xRatio;
double zVar = zRatio;
double x = obj.getX();
double z = obj.getZ();
if (!positions.isEmpty() || collisionTree != null) {
HeightInfo actual = new HeightInfo(obj.getX(), 0, obj.getZ());
HeightInfo nearest = new HeightInfo(Double.MAX_VALUE, 0, Double.MAX_VALUE);
if (!positions.isEmpty()) {
nearest = findNearest(positions, actual, nearest);
x = nearest.getX();
z = nearest.getZ();
}
if (collisionTree != null) {
actual.setSx(obj.getSx());
actual.setSz(obj.getSz());
TreeNode place = collisionTree.findPlace(actual);
if (place != null) {
x = place.getMid()[0];
z = place.getMid()[1];
double nodeRange = place.getRange();
xVar = nodeRange + 1 - actual.getSx();
zVar = nodeRange + 1 - actual.getSz();
TreeNode.mark(place);
} else {
collisionDetected = true;
}
}
}
obj.setX(x + randomizeDouble(-xVar, xVar));
obj.setZ(z + randomizeDouble(-zVar, zVar));
correctPosition(obj, pos);
}
public List<GeneratedObject> generate(GenerationInfo info) {
long time = System.currentTimeMillis();
int collisionsValue = info.getArgs().get(Consts.COLLISIONS).intValue();
collisions = collisionsValue == 1 ? true : false;
Dimension mapDimensions = Mediator.getMapDimensions();
if (mapDimensions == null) {
WindowUtil.displayError(PropertiesKeys.NO_HEIGHTMAP);
return new ArrayList<>();
}
if (collisions) {
collisionTree =
TreeNode.createTree(
Mediator.getMapWidth(),
Mediator.getMapHeight(),
(short) (Math.log(mapDimensions.getWidth()) / Math.log(2)));
}
xRatio = Mediator.getMapWidth() / mapDimensions.width;
zRatio = Mediator.getMapHeight() / mapDimensions.height;
yRatio = Mediator.getMapMaxYSetting() / Mediator.getMapMaxY();
HeightInfo.setThreshold((xRatio + zRatio) / 2.0);
List<GeneratedObject> result = generationMethod(info);
Mediator.updateModels(result);
time = System.currentTimeMillis() - time;
System.out.println("Time used: " + time + " ms.");
time /= 1000F;
collisionTree = null;
int size = result.size();
if (collisionDetected) {
collisionDetected = false;
WindowUtil.displayError(PropertiesKeys.COLLISION, size, time);
} else {
if (size > 0) {
WindowUtil.displayInfo(PropertiesKeys.RESULT, size, time);
} else {
WindowUtil.displayError(PropertiesKeys.NO_RESULT);
}
}
return result;
}
private HeightInfo findNearest(
List<HeightInfo> positions, HeightInfo actual, HeightInfo nearest) {
double minLength = Double.MAX_VALUE;
Collections.shuffle(positions);
for (HeightInfo i : positions) {
if (i.equals(actual)) {
return i;
}
double tempLenght = getLength(i.getX(), nearest.getX(), i.getZ(), nearest.getZ());
if (minLength < 0.5) {
break;
}
if (tempLenght < minLength) {
minLength = tempLenght;
nearest = i;
}
}
return nearest;
}