65 lines
1.3 KiB
C++
65 lines
1.3 KiB
C++
#ifndef STAR_KARST_CAVE_HPP
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#define STAR_KARST_CAVE_HPP
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#include "StarTerrainDatabase.hpp"
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#include "StarLruCache.hpp"
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#include "StarVector.hpp"
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#include "StarPerlin.hpp"
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namespace Star {
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class KarstCaveSelector : public TerrainSelector {
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public:
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static char const* const Name;
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KarstCaveSelector(Json const& config, TerrainSelectorParameters const& parameters);
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float get(int x, int y) const override;
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private:
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struct LayerPerlins {
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PerlinF caveDecision;
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PerlinF layerHeightVariation;
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PerlinF caveHeightVariation;
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PerlinF caveFloorVariation;
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};
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struct Sector {
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Sector(KarstCaveSelector const* parent, Vec2I sector);
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float get(int x, int y);
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bool inside(int x, int y);
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void set(int x, int y, float value);
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KarstCaveSelector const* parent;
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Vec2I sector;
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List<float> values;
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float m_maxValue;
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};
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LayerPerlins const& layerPerlins(int y) const;
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int m_sectorSize;
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int m_layerResolution;
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float m_layerDensity;
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int m_bufferHeight;
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float m_caveTaperPoint;
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Json m_caveDecisionPerlinConfig;
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Json m_layerHeightVariationPerlinConfig;
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Json m_caveHeightVariationPerlinConfig;
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Json m_caveFloorVariationPerlinConfig;
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int m_worldWidth;
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uint64_t m_seed;
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mutable HashLruCache<int, LayerPerlins> m_layerPerlinsCache;
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mutable HashLruCache<Vec2I, Sector> m_sectorCache;
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};
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}
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#endif
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