mirror of
https://github.com/godotengine/godot.git
synced 2024-11-27 09:16:35 +08:00
52 lines
1.1 KiB
C++
52 lines
1.1 KiB
C++
|
|
int _handle_get_tree_id(BVHHandle p_handle) const {
|
|
if (USE_PAIRS) {
|
|
return _extra[p_handle.id()].tree_id;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
public:
|
|
void _handle_sort(BVHHandle &p_ha, BVHHandle &p_hb) const {
|
|
if (p_ha.id() > p_hb.id()) {
|
|
BVHHandle temp = p_hb;
|
|
p_hb = p_ha;
|
|
p_ha = temp;
|
|
}
|
|
}
|
|
|
|
private:
|
|
void create_root_node(int p_tree) {
|
|
// if there is no root node, create one
|
|
if (_root_node_id[p_tree] == BVHCommon::INVALID) {
|
|
uint32_t root_node_id;
|
|
TNode *node = _nodes.request(root_node_id);
|
|
node->clear();
|
|
_root_node_id[p_tree] = root_node_id;
|
|
|
|
// make the root node a leaf
|
|
uint32_t leaf_id;
|
|
TLeaf *leaf = _leaves.request(leaf_id);
|
|
leaf->clear();
|
|
node->neg_leaf_id = -(int)leaf_id;
|
|
}
|
|
}
|
|
|
|
bool node_is_leaf_full(TNode &tnode) const {
|
|
const TLeaf &leaf = _node_get_leaf(tnode);
|
|
return leaf.is_full();
|
|
}
|
|
|
|
public:
|
|
TLeaf &_node_get_leaf(TNode &tnode) {
|
|
BVH_ASSERT(tnode.is_leaf());
|
|
return _leaves[tnode.get_leaf_id()];
|
|
}
|
|
|
|
const TLeaf &_node_get_leaf(const TNode &tnode) const {
|
|
BVH_ASSERT(tnode.is_leaf());
|
|
return _leaves[tnode.get_leaf_id()];
|
|
}
|
|
|
|
private:
|