Heightmap.h

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#pragma once
 
#include "procgen/Grid2D.h"
#include "procgen/heightmap/TerrainSampler.h"
 
#include <cstdint>
#include <vector>
 
namespace eve::procgen {
 
class Heightmap {
public:
    Heightmap() = default;
    Heightmap(int width, int height);
 
    void resize(int width, int height);
    int  getWidth() const;
    int  getHeight() const;
    bool inBounds(int x, int y) const;
 
    void  setHeight(int x, int y, float h);
    float height(int x, int y) const;
 
    float sampleBilinear(float x, float y) const;
    float sampleBilinearSeamless(float x, float y) const;
 
    const std::vector<float> &data() const { return data_; }
 
    static Heightmap generate(const TerrainSampler &sampler, int width, int height);
 
    bool toGrid(Grid2D &out, const TerrainBands &bands) const;
 
private:
    int               width_  = 0;
    int               height_ = 0;
    std::vector<float> data_;
};
 
}  // namespace eve::procgen