forked from Mirrorlandia_minetest/minetest
Remove 3D noise from getSteps function (#6360)
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@ -1501,7 +1501,7 @@ mgcarpathian_np_ridge_mnt (Ridged mountain size noise) noise_params 0, 12, (743,
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mgcarpathian_np_step_mnt (Step mountain size noise) noise_params 0, 8, (509, 509, 509), 2590, 6, 0.6, 2.0
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# 3D noise for mountain overhangs, cliffs, etc. Usually small variations.
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mgcarpathian_np_mnt_var (Mountain variation noise) noise_params 0, 1, (499, 499, 499), 2490, 5, 0.6, 2.0
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mgcarpathian_np_mnt_var (Mountain variation noise) noise_params 0, 1, (499, 499, 499), 2490, 5, 0.55, 2.0
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# First of 2 3D noises that together define tunnels.
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mgcarpathian_np_cave1 (Cave1 noise) noise_params 0, 12, (61, 61, 61), 52534, 3, 0.5, 2.0
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@ -1842,7 +1842,7 @@
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# 3D noise for mountain overhangs, cliffs, etc. Usually small variations.
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# type: noise_params
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# mgcarpathian_np_mnt_var = 0, 1, (499, 499, 499), 2490, 5, 0.6, 2.0
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# mgcarpathian_np_mnt_var = 0, 1, (499, 499, 499), 2490, 5, 0.55, 2.0
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# First of 2 3D noises that together define tunnels.
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# type: noise_params
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@ -120,7 +120,7 @@ MapgenCarpathianParams::MapgenCarpathianParams()
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np_hills = NoiseParams(0, 3, v3f(257, 257, 257), 6604, 6, 0.5, 2.0);
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np_ridge_mnt = NoiseParams(0, 12, v3f(743, 743, 743), 5520, 6, 0.7, 2.0);
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np_step_mnt = NoiseParams(0, 8, v3f(509, 509, 509), 2590, 6, 0.6, 2.0);
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np_mnt_var = NoiseParams(0, 1, v3f(499, 499, 499), 2490, 5, 0.6, 2.0);
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np_mnt_var = NoiseParams(0, 1, v3f(499, 499, 499), 2490, 5, 0.55, 2.0);
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np_cave1 = NoiseParams(0, 12, v3f(61, 61, 61), 52534, 3, 0.5, 2.0);
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np_cave2 = NoiseParams(0, 12, v3f(67, 67, 67), 10325, 3, 0.5, 2.0);
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np_cavern = NoiseParams(0, 1, v3f(384, 128, 384), 723, 5, 0.63, 2.0);
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@ -195,11 +195,11 @@ inline float MapgenCarpathian::getLerp(float noise1, float noise2, float mod)
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}
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// Steps function
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float MapgenCarpathian::getSteps(float noise1, float noise2)
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float MapgenCarpathian::getSteps(float noise)
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{
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float w = fabs(noise2);
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float k = floor(noise1 / w);
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float f = (noise1 - k * w) / w;
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float w = 0.5f;
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float k = floor(noise / w);
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float f = (noise - k * w) / w;
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float s = std::fmin(2.f * f, 1.f);
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return (k + s) * w;
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}
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@ -343,7 +343,7 @@ float MapgenCarpathian::terrainLevelAtPoint(s16 x, s16 z)
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float ridged_mountains = pow(rter, 3.f) * ridge_mnt;
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// Step (terraced) mountains
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float step_mnt = hilliness * getSteps(n_step_mnt, fabs(mnt_var));
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float step_mnt = hilliness * getSteps(n_step_mnt);
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float step_mountains = pow(ster, 3.f) * step_mnt;
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// Final terrain level
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@ -430,7 +430,7 @@ int MapgenCarpathian::generateTerrain()
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// Step (terraced) mountains
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float ster = noise_step_terrain->result[index2d];
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float n_step_mnt = noise_step_mnt->result[index2d];
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float step_mnt = hilliness * getSteps(n_step_mnt, fabs(mnt_var));
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float step_mnt = hilliness * getSteps(n_step_mnt);
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float step_mountains = pow(fabs(ster), 3.f) * step_mnt;
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// Final terrain level
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@ -74,7 +74,7 @@ public:
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virtual MapgenType getType() const { return MAPGEN_CARPATHIAN; }
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float getSteps(float noise1, float noise2);
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float getSteps(float noise);
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inline float getLerp(float noise1, float noise2, float mod);
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virtual void makeChunk(BlockMakeData *data);
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