/**************************************************************************/ /* disjoint_set.h */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /**************************************************************************/ #ifndef DISJOINT_SET_H #define DISJOINT_SET_H #include "core/templates/rb_map.h" #include "core/templates/vector.h" /* This DisjointSet class uses Find with path compression and Union by rank */ template <typename T, typename H = HashMapHasherDefault, typename C = HashMapComparatorDefault<T>, typename AL = DefaultAllocator> class DisjointSet { … }; /* FUNCTIONS */ template <typename T, typename H, typename C, typename AL> DisjointSet<T, H, C, AL>::~DisjointSet() { … } template <typename T, typename H, typename C, typename AL> typename DisjointSet<T, H, C, AL>::Element *DisjointSet<T, H, C, AL>::get_parent(Element *element) { … } template <typename T, typename H, typename C, typename AL> typename DisjointSet<T, H, C, AL>::Element *DisjointSet<T, H, C, AL>::insert_or_get(T object) { … } template <typename T, typename H, typename C, typename AL> void DisjointSet<T, H, C, AL>::create_union(T a, T b) { … } template <typename T, typename H, typename C, typename AL> void DisjointSet<T, H, C, AL>::get_representatives(Vector<T> &out_representatives) { … } template <typename T, typename H, typename C, typename AL> void DisjointSet<T, H, C, AL>::get_members(Vector<T> &out_members, T representative) { … } #endif // DISJOINT_SET_H