#ifndef EDITOR_ATLAS_PACKER_H #define EDITOR_ATLAS_PACKER_H /*************************************************************************/ /* editor_atlas_packer.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* 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. */ /*************************************************************************/ #include "core/math/vector2.h" #include "core/vector.h" #include "scene/resources/bit_map.h" #include "core/reference.h" class BitMap; class EditorAtlasPacker { public: struct Chart { Vector<Vector2> vertices; struct Face { int vertex[3]; }; Vector<Face> faces; bool can_transpose; Vector2 final_offset; bool transposed; }; private: struct PlottedBitmap { int chart_index; Vector2i offset; int area; Vector<int> top_heights; Vector<int> bottom_heights; bool transposed; Vector2 final_pos; bool operator<(const PlottedBitmap &p_bm) const { return area > p_bm.area; } }; static void _plot_triangle(Ref<BitMap> p_bitmap, Vector2i *vertices); public: static void chart_pack(Vector<Chart> &charts, int &r_width, int &r_height, int p_atlas_max_size = 2048, int p_cell_resolution = 4); }; #endif // EDITOR_ATLAS_PACKER_H