void TileMap::set_cell(int p_x,int p_y,int p_tile,bool p_flip_x,bool p_flip_y,bool p_transpose) {
PosKey pk(p_x,p_y);
Map<PosKey,Cell>::Element *E=tile_map.find(pk);
if (!E && p_tile==INVALID_CELL)
return; //nothing to do
PosKey qk(p_x/_get_quadrant_size(),p_y/_get_quadrant_size());
if (p_tile==INVALID_CELL) {
//erase existing
tile_map.erase(pk);
Map<PosKey,Quadrant>::Element *Q = quadrant_map.find(qk);
ERR_FAIL_COND(!Q);
Quadrant &q=Q->get();
q.cells.erase(pk);
if (q.cells.size()==0)
_erase_quadrant(Q);
else
_make_quadrant_dirty(Q);
return;
}
Map<PosKey,Quadrant>::Element *Q = quadrant_map.find(qk);
if (!E) {
E=tile_map.insert(pk,Cell());
if (!Q) {
Q=_create_quadrant(qk);
}
Quadrant &q=Q->get();
q.cells.insert(pk);
} else {
ERR_FAIL_COND(!Q); // quadrant should exist...
if (E->get().id==p_tile && E->get().flip_h==p_flip_x && E->get().flip_v==p_flip_y && E->get().transpose==p_transpose)
return; //nothing changed
}
Cell &c = E->get();
c.id=p_tile;
c.flip_h=p_flip_x;
c.flip_v=p_flip_y;
c.transpose=p_transpose;
_make_quadrant_dirty(Q);
}
void TileMap::_clear_quadrants() {
while (quadrant_map.size()) {
_erase_quadrant( quadrant_map.front() );
}
}