-
-// For BiomeGen type 'BiomeGenOriginal'
-float BiomeManager::getHumidityAtPosOriginal(v3s16 pos, NoiseParams &np_humidity,
- NoiseParams &np_humidity_blend, u64 seed)
-{
- return
- NoisePerlin2D(&np_humidity, pos.X, pos.Z, seed) +
- NoisePerlin2D(&np_humidity_blend, pos.X, pos.Z, seed);
-}
-
-
-// For BiomeGen type 'BiomeGenOriginal'
-Biome *BiomeManager::getBiomeFromNoiseOriginal(float heat, float humidity, v3s16 pos)
-{
- Biome *biome_closest = nullptr;
- Biome *biome_closest_blend = nullptr;
- float dist_min = FLT_MAX;
- float dist_min_blend = FLT_MAX;
-
- for (size_t i = 1; i < getNumObjects(); i++) {
- Biome *b = (Biome *)getRaw(i);
- if (!b ||
- pos.Y < b->min_pos.Y || pos.Y > b->max_pos.Y + b->vertical_blend ||
- pos.X < b->min_pos.X || pos.X > b->max_pos.X ||
- pos.Z < b->min_pos.Z || pos.Z > b->max_pos.Z)
- continue;
-
- float d_heat = heat - b->heat_point;
- float d_humidity = humidity - b->humidity_point;
- float dist = (d_heat * d_heat) + (d_humidity * d_humidity);
-
- if (pos.Y <= b->max_pos.Y) { // Within y limits of biome b
- if (dist < dist_min) {
- dist_min = dist;
- biome_closest = b;
- }
- } else if (dist < dist_min_blend) { // Blend area above biome b
- dist_min_blend = dist;
- biome_closest_blend = b;
- }
- }
-
- mysrand(pos.Y + (heat + humidity) * 0.9f);
- if (biome_closest_blend && dist_min_blend <= dist_min &&
- myrand_range(0, biome_closest_blend->vertical_blend) >=
- pos.Y - biome_closest_blend->max_pos.Y)
- return biome_closest_blend;
-
- return (biome_closest) ? biome_closest : (Biome *)getRaw(BIOME_NONE);
-}
-
-