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Diffstat (limited to 'editor/editor_atlas_packer.h')
| -rw-r--r-- | editor/editor_atlas_packer.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/editor/editor_atlas_packer.h b/editor/editor_atlas_packer.h new file mode 100644 index 0000000000..1627f74a28 --- /dev/null +++ b/editor/editor_atlas_packer.h @@ -0,0 +1,75 @@ +/*************************************************************************/ +/* editor_atlas_packer.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2019 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. */ +/*************************************************************************/ + +#ifndef EDITOR_ATLAS_PACKER_H +#define EDITOR_ATLAS_PACKER_H + +#include "core/math/vector2.h" + +#include "core/vector.h" +#include "scene/resources/bit_map.h" + +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 |