godot/editor/editor_atlas_packer.h
Juan Linietsky 04847ef5f9 Added ability for multiple images to be imported as an atlas
This adds support for groups in the import system, which point to a single file.
Add property hint for saving files in file field
2019-04-19 15:56:34 -03:00

46 lines
886 B
C++

#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