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feat(world-gen): larger biomes, smooth height blending, capped mountains; centralize tunables in Configuration

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Terrain feel: biome regions ~10x larger (Voronoi cell size 96->960); terrain height now eases across biome borders via a Voronoi distance blend (smooth, and ~25x cheaper than the old 169-sample box blur); mountains capped to ~2/3 world height and gentled (ridged amplitude/frequency lowered), snow line lowered to match.

Centralization: ~27 world-gen/render tuning constants (biome amplitudes & frequencies, climate-noise frequencies/octaves, biome-selection thresholds, blend width, cell size, filler depth, snow line, camera near plane, spawn offset, overlay scale) hoisted from scattered literals into a region-organized, fully-commented Configuration. Configuration is threaded into NoiseSource, the biomes, BiomeRegistry, BiomeMap (+Classify), TerrainSampler, WorldGenerator (+BlockAt filler depth), and Camera via Player. Defaults equal the prior values, so generation is unchanged; worldgen tests updated for the new constructor signatures.
This commit is contained in:
MDietermann
2026-06-03 16:27:06 +02:00
parent 96b8fffcd4
commit e034d10339
18 changed files with 367 additions and 136 deletions
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9
VoxelEngine.Tests/WorldGen/TerrainSamplerTests.cs
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@@ -1,3 +1,4 @@
using VoxelEngine.Core;
using VoxelEngine.World.Blocks;
using VoxelEngine.World.WorldGen;
using Xunit;
@@ -9,11 +10,11 @@ public class TerrainSamplerTests
private static TerrainSampler Build(int seed = 42)
{
var blocks = new BlockRegistry();
var biomes = new BiomeRegistry(seed, blocks);
var noise = new NoiseSource(seed);
var biomes = new BiomeRegistry(seed, blocks, new Configuration());
var noise = new NoiseSource(seed, new Configuration());
var cells = new VoronoiCells(seed, 96f);
var map = new BiomeMap(noise, cells, biomes);
return new TerrainSampler(noise, map);
var map = new BiomeMap(noise, cells, biomes, new Configuration());
return new TerrainSampler(noise, map, new Configuration());
}
[Fact]