SnowField.h

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#pragma once
#include "common/Export.h"
 
 
#include <cstdint>
#include <vector>
 
namespace eve::weather {
 
class EVENGINE_API_ORCHESTRATION SnowField {
public:
    SnowField() = default;
    SnowField(int width, int height);
 
    void resize(int width, int height);
    int  getWidth() const { return width_; }
    int  getHeight() const { return height_; }
    bool inBounds(int x, int y) const;
 
    void fill(float v);
    void setHeight(int x, int y, float h);
    float height(int x, int y) const;
 
    bool isDirty() const { return dirty_; }
    void clearDirty() { dirty_ = false; }
 
    void stampFootprint(float cx, float cz, float dirX, float dirZ, float radius, float depth);
 
    void stampImpact(float cx, float cz, float radius, float depth);
 
    void addSnowfall(float amount);
 
    std::vector<uint8_t> toHeightRGBA() const;
 
    std::vector<uint8_t> toAlbedoRGBA() const;
 
    std::vector<uint8_t> toNormalRGBA() const;
 
    const std::vector<float> &data() const { return data_; }
 
private:
    static float clamp01(float v);
 
    int               width_ = 0;
    int               height_ = 0;
    std::vector<float> data_;
    bool              dirty_ = true;
};
 
}  // namespace eve::weather