46 lines
886 B
C++
46 lines
886 B
C++
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#ifndef EDITOR_ATLAS_PACKER_H
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#define EDITOR_ATLAS_PACKER_H
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#include "core/math/vector2.h"
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#include "core/vector.h"
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#include "scene/resources/bit_map.h"
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class EditorAtlasPacker {
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public:
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struct Chart {
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Vector<Vector2> vertices;
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struct Face {
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int vertex[3];
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};
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Vector<Face> faces;
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bool can_transpose;
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Vector2 final_offset;
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bool transposed;
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};
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private:
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struct PlottedBitmap {
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int chart_index;
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Vector2i offset;
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int area;
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Vector<int> top_heights;
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Vector<int> bottom_heights;
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bool transposed;
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Vector2 final_pos;
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bool operator<(const PlottedBitmap &p_bm) const {
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return area > p_bm.area;
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}
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};
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static void _plot_triangle(Ref<BitMap> p_bitmap, Vector2i *vertices);
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public:
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static void chart_pack(Vector<Chart> &charts, int &r_width, int &r_height, int p_atlas_max_size = 2048, int p_cell_resolution = 4);
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};
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#endif // EDITOR_ATLAS_PACKER_H
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