CaveObstacleScour.h

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#pragma once
#include "common/Export.h"
 
 
#include "procgen/algorithms/CaveBreakdown.h"
#include "procgen/algorithms/CaveHydrology.h"
 
#include <vector>
 
namespace eve::procgen {
 
struct CaveObstacleScourSite {
    CaveHydrologyVec3 blockCenter;
    CaveHydrologyVec3 frontCenter;
    CaveHydrologyVec3 wakeCenter;
    CaveHydrologyVec3 tangent{1.f, 0.f, 0.f};
    CaveHydrologyVec3 lateral{0.f, 0.f, 1.f};
    float             frontAlongRadius   = 0.1f;
    float             frontLateralRadius = 0.1f;
    float             depthRadius        = 0.05f;
    float             wakeAlongRadius    = 0.15f;
    float             erosionPotential   = 0.f;
    float             roughnessRetention = 1.f;
};
 
struct CaveObstacleScourSample {
    float erosion            = 0.f;
    float horseshoeScour     = 0.f;
    float wakeScour          = 0.f;
    float roughnessRetention = 1.f;
    int   siteIndex          = -1;
};
 
[[nodiscard]] EVENGINE_API_DOMAINS std::vector<CaveObstacleScourSite> createCaveObstacleScourSites(
    const CaveBreakdownSet& breakdown, const std::vector<CaveHydrologyPoint>& trunk,
    const std::vector<float>& hydraulicWeights, float sedimentLoad, float wallRoughness);
 
[[nodiscard]] EVENGINE_API_DOMAINS CaveObstacleScourSample
sampleCaveObstacleScour(CaveHydrologyVec3 point, const std::vector<CaveObstacleScourSite>& sites);
 
}  // namespace eve::procgen