Sousei

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A framework library mod that simplifies biome injection/placement
Inject custom biomes and surface rules using simple JSON data files (optionally JAVA registrations)

• Universal dimension support (Overworld, Nether, The End, and custom dimensions)
• Fast Voronoi sampling engine with smooth Simplex noise domain warping
• Multi-condition biome filtering (Priority, Y-levels, Climate ranges, and Parent biomes)
• Designed to minimize micro-biomes and provide better shaping control
• Data-driven surface rules for custom top, under, and underwater blocks
• Fully configurable via JSON datapacks
• No client installation required; fully server-side worldgen