public List<CollisionVolume> getCollidingObject(CollisionModel model) {
// TODO Make this more general
final int minX = MathHelper.floor(model.getPosition().getX());
final int minY = MathHelper.floor(model.getPosition().getY());
final int minZ = MathHelper.floor(model.getPosition().getZ());
final int maxX = minX + 1;
final int maxY = minY + 1;
final int maxZ = minZ + 1;
final LinkedList<CollisionVolume> colliding = new LinkedList<CollisionVolume>();
final BoundingBox mutable = new BoundingBox(0, 0, 0, 0, 0, 0);
final BoundingBox position = new BoundingBox((BoundingBox) model.getVolume());
position.offset(minX, minY, minZ);
for (int dx = minX; dx < maxX; dx++) {
for (int dy = minY - 1; dy < maxY; dy++) {
for (int dz = minZ; dz < maxZ; dz++) {
BlockMaterial material = this.getBlockMaterial(dx, dy, dz);
mutable.set((BoundingBox) material.getBoundingArea());
mutable.offset(dx, dy, dz);
if (mutable.intersects(position)) {
colliding.add(mutable.clone());
}
}
}
}
// TODO: colliding entities
return colliding;
}
@Override
public Region getRegion(Point point, boolean load) {
int x = MathHelper.floor(point.getX());
int y = MathHelper.floor(point.getY());
int z = MathHelper.floor(point.getZ());
return regions.getRegionFromBlock(x, y, z, load);
}
@Override
public Block getBlock(Point point) {
int x = MathHelper.floor(point.getX());
int y = MathHelper.floor(point.getY());
int z = MathHelper.floor(point.getZ());
return getBlock(x, y, z);
}
@Override
public Chunk getChunk(Point point, boolean load) {
int x = MathHelper.floor(point.getX());
int y = MathHelper.floor(point.getY());
int z = MathHelper.floor(point.getZ());
return getChunk(
x >> Chunk.CHUNK_SIZE_BITS, y >> Chunk.CHUNK_SIZE_BITS, z >> Chunk.CHUNK_SIZE_BITS, load);
}
@Override
public Region getRegion() {
// Check here to avoid the lookup
if (entityManager != null && entityManager.getRegion() != null) {
return entityManager.getRegion();
}
// Lookup
World world = getWorld();
if (world == null) {
return null;
} else {
return world.getRegionFromBlock(
MathHelper.floor(getPosition().getX()),
MathHelper.floor(getPosition().getY()),
MathHelper.floor(getPosition().getZ()));
}
}