CavePotholes.h

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#pragma once
#include "common/Export.h"
 
 
#include "procgen/algorithms/CaveFractures.h"
#include "procgen/algorithms/CaveHydrology.h"
 
#include <cstdint>
#include <vector>
 
namespace eve::procgen {
 
struct CavePotholeSite {
    CaveHydrologyVec3 center;
    CaveHydrologyVec3 tangent{1.f, 0.f, 0.f};
    CaveHydrologyVec3 lateral{0.f, 0.f, 1.f};
    float             alongRadius          = 0.1f;
    float             lateralRadius        = 0.1f;
    float             depthRadius          = 0.1f;
    float             fractureIntersection = 0.f;
    float             erosionPotential     = 0.f;
    float             gravelSize           = 0.5f;
};
 
struct CavePotholeSample {
    float erosion            = 0.f;
    float wallAndBedAbrasion = 0.f;
    float secondaryPothole   = 0.f;
    float downstreamBias     = 0.f;
    int   siteIndex          = -1;
};
 
[[nodiscard]] EVENGINE_API_DOMAINS std::vector<CavePotholeSite> createCavePotholeSites(
    const std::vector<CaveHydrologyPoint>& trunk, const std::vector<float>& hydraulicWeights,
    const std::vector<CaveFracture>& fractures, float apertureVariability, float stressControl, float sedimentLoad,
    float gravelSize, uint32_t seed);
 
[[nodiscard]] EVENGINE_API_DOMAINS CavePotholeSample
sampleCavePotholeErosion(CaveHydrologyVec3 point, const std::vector<CavePotholeSite>& sites);
 
}  // namespace eve::procgen