CaveConstrictionScour.h

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#pragma once
#include "common/Export.h"
 
 
#include "procgen/algorithms/CaveHydrology.h"
 
#include <vector>
 
namespace eve::procgen {
 
struct CaveConstrictionScourSite {
    CaveHydrologyVec3 constriction;
    CaveHydrologyVec3 poolCenter;
    CaveHydrologyVec3 tangent{1.f, 0.f, 0.f};
    CaveHydrologyVec3 lateral{0.f, 0.f, 1.f};
    float             alongRadius         = 0.2f;
    float             lateralRadius       = 0.1f;
    float             depthRadius         = 0.1f;
    float             constrictionRatio   = 0.f;
    float             hydraulicIntensity  = 1.f;
    float             optimalConstriction = 0.35f;
    float             plungingEfficiency  = 0.f;
};
 
struct CaveConstrictionScourSample {
    float erosion            = 0.f;
    float bedScour           = 0.f;
    float exitWidening       = 0.f;
    float constrictionRatio  = 0.f;
    float plungingEfficiency = 0.f;
    int   siteIndex          = -1;
};
 
[[nodiscard]] EVENGINE_API_DOMAINS std::vector<CaveConstrictionScourSite> createCaveConstrictionScourSites(
    const std::vector<CaveHydrologyPoint>& trunk, const std::vector<CaveHydrologyBranch>& branches,
    const CaveHydrologyWeights& hydrology);
 
[[nodiscard]] EVENGINE_API_DOMAINS CaveConstrictionScourSample
sampleCaveConstrictionScour(CaveHydrologyVec3 point, const std::vector<CaveConstrictionScourSite>& sites);
 
}  // namespace eve::procgen