diff options
Diffstat (limited to 'core')
| -rw-r--r-- | core/set.h | 130 |
1 files changed, 59 insertions, 71 deletions
diff --git a/core/set.h b/core/set.h index d91dd9b3ea..0f48e07520 100644 --- a/core/set.h +++ b/core/set.h @@ -100,17 +100,15 @@ private: Element *_nil; int size_cache; - _Data() { + _FORCE_INLINE_ _Data() { #ifdef GLOBALNIL_DISABLED _nil = memnew_allocator(Element, A); _nil->parent = _nil->left = _nil->right = _nil; _nil->color = BLACK; #else - _nil = (Element *)&_GlobalNilClass::_nil; #endif _root = NULL; - size_cache = 0; } @@ -132,6 +130,7 @@ private: ~_Data() { _free_root(); + #ifdef GLOBALNIL_DISABLED memdelete_allocator<Element, A>(_nil); #endif @@ -196,7 +195,7 @@ private: } if (node->parent == _data._root) - return NULL; // No successor, as p_node is the last node. + return NULL; // No successor, as p_node = last node return node->parent; } } @@ -218,7 +217,7 @@ private: } if (node == _data._root) - return NULL; // No predecessor, as p_node is the first node. + return NULL; // No predecessor, as p_node = first node. return node->parent; } } @@ -266,65 +265,13 @@ private: return prev; } - Element *_insert(const T &p_value, bool &r_exists) { - - Element *new_parent = _data._root; - Element *node = _data._root->left; - C less; - - while (node != _data._nil) { - - new_parent = node; - - if (less(p_value, node->value)) - node = node->left; - else if (less(node->value, p_value)) - node = node->right; - else { - r_exists = true; - return node; - } - } - - r_exists = false; + void _insert_rb_fix(Element *p_new_node) { - Element *new_node = memnew_allocator(Element, A); - new_node->parent = new_parent; - new_node->right = _data._nil; - new_node->left = _data._nil; - new_node->value = p_value; - //new_node->data=_data; - - if (new_parent == _data._root || less(p_value, new_parent->value)) { - new_parent->left = new_node; - } else { - new_parent->right = new_node; - } - - new_node->_next = _successor(new_node); - new_node->_prev = _predecessor(new_node); - if (new_node->_next) - new_node->_next->_prev = new_node; - if (new_node->_prev) - new_node->_prev->_next = new_node; - - return new_node; - } - - Element *_insert_rb(const T &p_value) { - - bool exists = false; - Element *new_node = _insert(p_value, exists); - if (exists) - return new_node; - - _data.size_cache++; - Element *node = new_node; + Element *node = p_new_node; Element *nparent = node->parent; Element *ngrand_parent; while (nparent->color == RED) { - ngrand_parent = nparent->parent; if (nparent == ngrand_parent->left) { @@ -365,11 +312,53 @@ private: } _set_color(_data._root->left, BLACK); + } + + Element *_insert(const T &p_value) { + + Element *new_parent = _data._root; + Element *node = _data._root->left; + C less; + + while (node != _data._nil) { + + new_parent = node; + + if (less(p_value, node->value)) + node = node->left; + else if (less(node->value, p_value)) + node = node->right; + else { + return node; // Return existing node + } + } + Element *new_node = memnew_allocator(Element, A); + new_node->parent = new_parent; + new_node->right = _data._nil; + new_node->left = _data._nil; + new_node->value = p_value; + //new_node->data=_data; + + if (new_parent == _data._root || less(p_value, new_parent->value)) { + new_parent->left = new_node; + } else { + new_parent->right = new_node; + } + + new_node->_next = _successor(new_node); + new_node->_prev = _predecessor(new_node); + if (new_node->_next) + new_node->_next->_prev = new_node; + if (new_node->_prev) + new_node->_prev->_next = new_node; + + _data.size_cache++; + _insert_rb_fix(new_node); return new_node; } - void _erase_fix(Element *p_node) { + void _erase_fix_rb(Element *p_node) { Element *root = _data._root->left; Element *node = _data._nil; @@ -450,7 +439,7 @@ private: node->parent = rp->parent; _set_color(node, BLACK); } else if (rp->color == BLACK && rp->parent != _data._root) { - _erase_fix(sibling); + _erase_fix_rb(sibling); } if (rp != p_node) { @@ -485,11 +474,12 @@ private: void _calculate_depth(Element *p_element, int &max_d, int d) const { - if (p_element == _data._nil) { + if (p_element == _data._nil) return; - } + _calculate_depth(p_element->left, max_d, d + 1); _calculate_depth(p_element->right, max_d, d + 1); + if (d > max_d) max_d = d; } @@ -533,10 +523,13 @@ public: return res; } + Element *lower_bound(const T &p_value) const { + + return _lower_bound(p_value); + } + bool has(const T &p_value) const { - if (!_data._root) - return false; return find(p_value) != NULL; } @@ -544,7 +537,7 @@ public: if (!_data._root) _data._create_root(); - return _insert_rb(p_value); + return _insert(p_value); } void erase(Element *p_element) { @@ -602,11 +595,6 @@ public: return e; } - Element *lower_bound(const T &p_value) const { - - return _lower_bound(p_value); - } - inline int size() const { return _data.size_cache; } int calculate_depth() const { |