TerrainCollisionMask.h

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#pragma once
 
#include <memory>
 
#include "common/Result.h"
 
namespace eve::procgen {
class Heightmap;
enum class TerrainMaskBlend;
 
enum class TerrainCollisionMaskType { RadiusTree, RadiusTag, LayerGameObject, LayerTree };
 
class EVENGINE_API_DOMAINS TerrainCollisionMaskStack {
public:
    TerrainCollisionMaskStack();
    ~TerrainCollisionMaskStack();
    TerrainCollisionMaskStack(TerrainCollisionMaskStack&&) noexcept;
    TerrainCollisionMaskStack& operator=(TerrainCollisionMaskStack&&) noexcept;
    TerrainCollisionMaskStack(const TerrainCollisionMaskStack&) = delete;
    TerrainCollisionMaskStack& operator=(const TerrainCollisionMaskStack&) = delete;
    [[nodiscard]] Result<int> addLayer(const Heightmap& mask, TerrainCollisionMaskType type, bool active, bool invert);
    void clear();
    [[nodiscard]] int getLayerCount() const noexcept;
    [[nodiscard]] Result<int> apply(Heightmap& target, const Heightmap& input, const Heightmap& curve,
                                    TerrainMaskBlend mode) const;
 
private:
    struct Impl;
    std::unique_ptr<Impl> impl_;
};
 
}  // namespace eve::procgen