packing_metrics.hpp

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#pragma once
 
#include <cstddef>
#include <map>
#include <vector>
 
#include "porytiles/domain/models/color_set.hpp"
#include "porytiles/domain/packing/models/packable_tile.hpp"
#include "porytiles/domain/packing/models/packed_palette.hpp"
 
namespace porytiles {
 
[[nodiscard]] std::map<std::size_t, std::size_t>
build_global_multiplicity_map(const std::vector<PackableTile> &tiles, const std::vector<PackableTile> &hints);
 
[[nodiscard]] double
compute_average_multiplicity(const std::vector<PackableTile> &tiles, const std::vector<PackableTile> &hints);
 
[[nodiscard]] std::map<std::size_t, std::size_t> build_palette_local_multiplicity(
    const PackedPalette &palette, const std::map<PackableTile::Id, ColorSet> &tile_colors_map);
 
[[nodiscard]] double compute_weighted_cost_in_palette(
    const ColorSet &tile_colors,
    const PackedPalette &palette,
    const std::map<PackableTile::Id, ColorSet> &tile_colors_map);
 
[[nodiscard]] double
compute_palette_local_efficiency(const ColorSet &tile_colors, const std::map<std::size_t, std::size_t> &local_mult);
 
[[nodiscard]] double compute_weighted_cost_in_palette_fast(const ColorSet &tile_colors, const PackedPalette &palette);
 
[[nodiscard]] double compute_palette_local_efficiency_fast(const ColorSet &tile_colors, const PackedPalette &palette);
 
} // namespace porytiles