CaveKnickpoint.h

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#pragma once
#include "common/Export.h"
 
 
#include "procgen/algorithms/CaveHydrology.h"
 
#include <vector>
 
namespace eve::procgen {
 
struct CaveKnickpointSite {
    CaveHydrologyVec3 lip;
    CaveHydrologyVec3 poolCenter;
    CaveHydrologyVec3 headwallCenter;
    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             slopeBreak       = 0.f;
    float             drop             = 0.f;
    float             erosionPotential = 0.f;
};
 
struct CaveKnickpointSample {
    float erosion          = 0.f;
    float verticalDrilling = 0.f;
    float headwallUndercut = 0.f;
    float slopeBreak       = 0.f;
    int   siteIndex        = -1;
};
 
[[nodiscard]] EVENGINE_API_DOMAINS std::vector<CaveKnickpointSite> createCaveKnickpointSites(
    const std::vector<CaveHydrologyPoint>& trunk, const std::vector<float>& hydraulicWeights, float sedimentLoad);
 
[[nodiscard]] EVENGINE_API_DOMAINS CaveKnickpointSample
sampleCaveKnickpointErosion(CaveHydrologyVec3 point, const std::vector<CaveKnickpointSite>& sites);
 
}  // namespace eve::procgen