TerrainEffect.h

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#pragma once
#include "common/Result.h"
 
namespace eve::procgen {
class Heightmap;
[[nodiscard]] EVENGINE_API_DOMAINS Result<int> applyTerrainContrast(Heightmap& target, const Heightmap& mask,
                                                                    float strength, float featureSize);
 
struct TerrainSmoothSettings {
    float radius = 10, verticality = 0, strength = 1;
};
 
struct TerrainRidgeSettings {
    float mixStrength = 0.5F, exponent = 16, strength = 1;
    float minimum = 0, maximum = 0.5F;
    int   passes = 18;
};
 
struct TerrainTerraceSettings {
    float count = 100, bevel = 0, strength = 1;
};
 
[[nodiscard]] EVENGINE_API_DOMAINS Result<int> applyTerrainSmooth(Heightmap& target, const Heightmap& mask,
                                                                  const TerrainSmoothSettings& settings);
 
[[nodiscard]] EVENGINE_API_DOMAINS Result<int> applyTerrainRidges(Heightmap& target, const Heightmap& mask,
                                                                  const TerrainRidgeSettings& settings);
 
[[nodiscard]] EVENGINE_API_DOMAINS Result<int> applyTerrainTerrace(Heightmap& target, const Heightmap& mask,
                                                                   const TerrainTerraceSettings& settings);
 
[[nodiscard]] EVENGINE_API_DOMAINS Result<int> applyTerrainPower(Heightmap& target, const Heightmap& mask, float power);
 
struct TerrainHeightMixSettings {
    float minimum = 0, maximum = 1, midpoint = 0.5F, strength = 0.5F;
    float clipMinimum = 0, clipMaximum = 0.5F;
};
 
[[nodiscard]] EVENGINE_API_DOMAINS Result<int> applyTerrainHeightCurve(Heightmap& target, const Heightmap& mask,
                                                                       const Heightmap& curve, float minimum,
                                                                       float maximum);
 
[[nodiscard]] EVENGINE_API_DOMAINS Result<int> applyTerrainHeightMix(Heightmap& target, const Heightmap& local,
                                                                     const Heightmap&                global,
                                                                     const TerrainHeightMixSettings& settings);
}  // namespace eve::procgen