TerrainPolygonMask.h

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#pragma once
 
#include <memory>
#include "common/Result.h"
 
namespace eve::procgen {
class Heightmap;
struct TerrainSampleGrid;
 
enum class TerrainPolygonMaskType { Open, Closed };
 
class EVENGINE_API_DOMAINS TerrainPolygonMask {
public:
    TerrainPolygonMask();
    ~TerrainPolygonMask();
    TerrainPolygonMask(TerrainPolygonMask&&) noexcept;
    TerrainPolygonMask& operator=(TerrainPolygonMask&&) noexcept;
    TerrainPolygonMask(const TerrainPolygonMask&) = delete;
    TerrainPolygonMask& operator=(const TerrainPolygonMask&) = delete;
 
    [[nodiscard]] Result<int> addNode(double worldX, double worldZ, float radius, float strength);
    void clear();
    [[nodiscard]] int getNodeCount() const noexcept;
    [[nodiscard]] Result<int> rasterize(Heightmap& target, const Heightmap& brush, const TerrainSampleGrid& grid,
                                        TerrainPolygonMaskType type) const;
 
private:
    struct Impl;
    std::unique_ptr<Impl> impl_;
};
}  // namespace eve::procgen