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Fungal Undergrowth biomes are earthy cave systems where giant mushrooms and organic materials dominate the landscape.

Overview

Biome ID: FUNGAL_UNDERGROWTH
Vanilla Replacement: minecraft:dripstone_caves
Color Code: #A37E77

Custom Colors

  • Grass Color: #9C734D
  • Foliage Color: #9C734D

Terrain Palette

Fungal Undergrowth uses earthy, organic materials:

Multi-layer Structure (4 layers, 1 block each)

  • Coarse Dirt
  • Rooted Dirt
  • Brown Concrete Powder
  • Stone (in deeper layers)

Deepslate Transition

Below Y-level 7, terrain uses the FUNGAL_UNDERGROWTH_DEEPSLATE palette.
This biome has a unique 4-layer palette structure instead of the typical 2-layer system, creating more varied surface textures.

Features

Trees

  • Giant Red Mushrooms - Massive red mushroom structures
  • Giant Brown Mushrooms - Large brown mushroom formations

Flora

  • Small cave mushrooms
  • Cave grass
  • Hanging roots

Environment

Fungal Undergrowth biomes feel like natural underground forests dominated by fungal growth. The earthy terrain combined with giant mushrooms creates a unique subterranean ecosystem. The custom grass and foliage colors give the vegetation a brownish, earthy tone that matches the overall aesthetic.
The abundance of mushrooms makes this biome excellent for mushroom stew ingredients and mycelium-related resources.

Palette Configuration

The terrain generation uses:
  • Sampler Type: Cellular with domain warp
  • Frequency: 0.8
  • Warp Frequency: 0.1
  • Dimensions: 2D sampling
Source: /biomes/cave/substratum/fungal_undergrowth.yml:1

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