LogarithmicSpiralBiome

Evidence

Ran on Kiln's test stand (2026-11-04): FabricLogarithmicSpiralBiome did not start: java.lang.NoSuchFieldError: Class net.minecraft.core.registries.BuiltInRegistries does not have member field 'net.minecraft.core.Registry BIOME_SOURCE'.

What it needs from Kiln

• Mixin
• net.minecraft.core.BlockPos.MutableBlockPos
• net.minecraft.core.HolderSet
• net.minecraft.core.QuartPos
• net.minecraft.tags.BiomeTags
• net.minecraft.world.level.ChunkPos
• net.minecraft.world.level.WorldGenLevel
• net.minecraft.world.level.biome.Biome
• net.minecraft.world.level.biome.BiomeResolver
• net.minecraft.world.level.biome.BiomeSource
• net.minecraft.world.level.biome.Climate
• net.minecraft.world.level.biome.Climate.Sampler
• net.minecraft.world.level.chunk.ChunkGenerator
• net.minecraft.world.level.dimension.DimensionType
• net.minecraft.world.level.levelgen.Heightmap
• net.minecraft.world.level.levelgen.Heightmap.Types
• net.minecraft.world.level.levelgen.feature.Feature
• net.minecraft.world.level.material.MapColor
• DefaultedRegistry.getOptional()
• Holder.is()
• BuiltInRegistries.BIOME_SOURCE
• BuiltInRegistries.FEATURE_TYPE
• Identifier.tryParse()
• Block.defaultMapColor()
• Blocks.BEDROCK
• Blocks.BLACKSTONE
• Blocks.CRYING_OBSIDIAN
• Blocks.FIRE
• Blocks.GLASS
• Blocks.LAVA
• Blocks.NETHER_BRICKS
• Blocks.OBSIDIAN
• Blocks.POLISHED_BLACKSTONE
• Blocks.POLISHED_DEEPSLATE
• Blocks.QUARTZ_BRICKS
• Blocks.SEA_LANTERN
• Blocks.SMOOTH_QUARTZ
• Blocks.SOUL_FIRE
• Blocks.STONE_BRICKS
• Blocks.TINTED_GLASS

On the roadmap: Code next to data (0.3), Mixin (0.5)

In the author's words

generates Overworld biomes in a logarithmic spiral pattern

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file logarithmicspiralbiome-fabric-26.3-1.1.1.jar. The scan reads the mod's classes; it does not run them.