690e07b509
Complete rewrite of spatial partitioning using a bounding volume hierarchy rather than octree. Switchable in project settings between using octree or BVH for rendering and physics.
55 lines
1.1 KiB
C++
55 lines
1.1 KiB
C++
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int _handle_get_tree_id(BVHHandle p_handle) const {
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if (USE_PAIRS) {
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int tree = 0;
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if (_extra[p_handle.id()].pairable)
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tree = 1;
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return tree;
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}
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return 0;
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}
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public:
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void _handle_sort(BVHHandle &p_ha, BVHHandle &p_hb) const {
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if (p_ha.id() > p_hb.id()) {
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BVHHandle temp = p_hb;
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p_hb = p_ha;
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p_ha = temp;
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}
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}
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private:
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void create_root_node(int p_tree) {
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// if there is no root node, create one
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if (_root_node_id[p_tree] == BVHCommon::INVALID) {
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uint32_t root_node_id;
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TNode *node = _nodes.request(root_node_id);
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node->clear();
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_root_node_id[p_tree] = root_node_id;
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// make the root node a leaf
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uint32_t leaf_id;
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TLeaf *leaf = _leaves.request(leaf_id);
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leaf->clear();
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node->neg_leaf_id = -(int)leaf_id;
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}
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}
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bool node_is_leaf_full(TNode &tnode) const {
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const TLeaf &leaf = _node_get_leaf(tnode);
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return leaf.is_full();
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}
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public:
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TLeaf &_node_get_leaf(TNode &tnode) {
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BVH_ASSERT(tnode.is_leaf());
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return _leaves[tnode.get_leaf_id()];
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}
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const TLeaf &_node_get_leaf(const TNode &tnode) const {
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BVH_ASSERT(tnode.is_leaf());
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return _leaves[tnode.get_leaf_id()];
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}
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private:
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