Gaïa's Breath

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Gaïa's Breath

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A Fabric mod that makes the natural world evolve on its own — grass spreads, flowers bloom, trees regenerate, paths form under footsteps, and burned wood can leave behind charcoal. Minecraft’s ecology becomes alive, gradual, and fully configurable.

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Server Only

Runs entirely on the server. Also works in singleplayer.

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Type
Mod
License
MIT License
Latest Version
1.0.0
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About

Description

🌿 Gaia’s Breath

A Fabric mod that makes the natural world evolve on its own.

Grass spreads, flowers sprout, trees regenerate, metal weathers, wood ages — Minecraft’s ecology becomes alive, gradual, and configurable.


🧭 Overview

The world breathes, grows, and heals over time.
Without player input, nature reclaims barren land and balances overgrowth,
creating a living landscape that changes as you explore.

Main Features

  • Vegetation propagation: short grass spreads, may become tall grass, and wild flowers can appear.
  • Tree renewal: saplings can pop near trees, letting forests naturally expand.
  • Natural path formation: player footsteps gradually wear down grass into coarse dirt and dirt paths, which can slowly recover over time.
  • Charcoal from burned wood: when wood blocks are burned by fire, they can drop charcoal instead of disappearing completely.
  • Fully configurable via an in-game screen (tick budgets, growth chances, moss spread, path erosion, and more).
  • Server-friendly: all updates are tick-limited and distributed across chunks to prevent lag spikes.

🌱 Natural Growth

Vegetation Propagation

  • Grass blocks may receive short grass over time.
  • Short grass can convert to tall grass based on probability.
  • Flowers occasionally generate in suitable spots (low density, natural feel).

⚙️ Configuration (ModMenu)

Open the Gaia’s Breath configuration screen from ModMenu to fine-tune every natural mechanic.
All values are stored in config/gaiasbreath.json and can be safely edited in-game or manually.

Click to expand

🌾 World Growth

Control how vegetation spreads and evolves each tick.

Setting Default Description
GROWTH_MAX_CHUNK_PER_TICK 20 Maximum number of chunks processed per tick.
GROWTH_BLOCKS_PER_CHUNK 100 Maximum number of block updates per chunk.
SHORT_GRASS_GROWTH_CHANCE 0.005 Chance for grass blocks to spawn short grass.
SHORT_TO_TALL_CHANCE 0.005 Chance for short grass to grow into tall grass.
FLOWER_SPREAD_CHANCE 0.005 Chance for flowers to appear nearby.
SAPLING_SPREAD_CHANCE 0.002 Chance for saplings to sprout near trees.
MUSHROOM_SPREAD_CHANCE 0.01 Chance for mushrooms to spread underground or in dark areas.
BUSH_SPREAD_CHANCE 0.01 Chance for berry bushes or similar foliage to propagate.
RAIN_GROWTH_CHANCE 0.25 Global growth multiplier during rain (boosts propagation speed).

🪨 Moss Generation

Regulates how mossy blocks appear and spread on stone.

Setting Default Description
STONE_TO_MOSSY_CHANCE 0.02 Chance for stone to become mossy.
MOSSY_SPREAD_CHANCE 0.01 Chance for mossy blocks to spread their texture.
MOSSY_TO_MOSS_CHANCE 0.01 Chance for mossy blocks to fully convert into moss blocks.
MOSS_MAX_CHUNK_PER_TICK 10 Maximum chunks processed for moss generation each tick.
MOSS_BLOCKS_PER_CHUNK 10 Maximum moss updates per chunk.
Y_RANGE 20 Vertical search range for nearby stone/moss blocks.

🪵 Path & Erosion System

Tracks player movement and generates paths over time.

Setting Default Description
STEP_TO_COARSE 30 Steps needed to turn grass into coarse dirt.
STEP_TO_PATH 80 Steps needed to form a dirt path.
RECOVERY_RATE 1 Rate at which paths regrow into grass per tick.
DECAY_INTERVAL 1200 (1 minute) Time between path decay checks (in ticks).

🔥 Miscellaneous

Setting Default Description
CHARCOAL_DROP_CHANCE 0.5 Chance for burned wood to drop charcoal instead of ash.

🧩 All settings can be changed live through the config screen or by editing the JSON file.
Gaia’s Breath is designed to remain stable even with extreme or custom values — tweak it freely!


🚀 Performance

  • Tick budgeted: hard caps per tick and per chunk to keep servers smooth.
  • Distributed work: processing spreads across the world to avoid spikes.
  • Compatible with existing worlds: no world reset required.

🧩 Compatibility

  • Fabric (MC 1.21.9).
  • Works in single-player and servers.
  • Plays nicely with biome/terrain mods — Gaia’s Breath only performs light, probabilistic edits over time.

🗺️ Design Goals

  • Keep the world feeling alive, not chaotic.
  • Prioritize readability: changes should be noticeable when you return, not jarring the moment you arrive.
  • Offer control to players and server owners via clear settings.

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