76 lines
3.1 KiB
C++
76 lines
3.1 KiB
C++
/*************************************************************************/
|
|
/* editor_atlas_packer.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2021 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/templates/vector.h"
|
|
#include "scene/resources/bit_map.h"
|
|
|
|
class EditorAtlasPacker {
|
|
public:
|
|
struct Chart {
|
|
Vector<Vector2> vertices;
|
|
struct Face {
|
|
int vertex[3] = { 0 };
|
|
};
|
|
Vector<Face> faces;
|
|
bool can_transpose = false;
|
|
|
|
Vector2 final_offset;
|
|
bool transposed = false;
|
|
};
|
|
|
|
private:
|
|
struct PlottedBitmap {
|
|
int chart_index = 0;
|
|
Vector2i offset;
|
|
int area = 0;
|
|
Vector<int> top_heights;
|
|
Vector<int> bottom_heights;
|
|
bool transposed = false;
|
|
|
|
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
|