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Compost Mod — Guide

Environmental Conditions

One of the most advanced features of the Compost mod is its support for Origin-Based Conditions. This allows nature to play a direct role in the composting process. The mod can detect various world states to alter the rewards.

Condition Effect on Composting
Weather Composting during rain or snow can trigger unique rewards, such as mushrooms or specialized mulch.
Light Level Certain items may only "grow" in the compost if the light level is low (e.g., fungal growth) or high (e.g., sun-dried materials).
Biome Specific biomes can have unique loot tables. Composting in a Jungle might yield cocoa beans, while a Desert might yield sand.
Dimension Rewards can be restricted to the Overworld, Nether, or End.
Elevation High-altitude composting (above Y=100) or deep-underground composting can produce different results.

A composter in a rainy forest biome producing mushrooms

Compostable Matching

The mod introduces a Loot Condition that matches the specific compostables used. This means the "recipe" of what you put in can influence what you get out. This mechanic allows for intuitive recycling loops.

  • Seed Recovery: Composting Apples has a chance to return Apple Seeds (if a seed mod is present) or standard Seeds.
  • Material Recycling: Composting Saplings might yield specialized Mulch or Sticks.
  • Organic Waste: Composting Rotten Flesh or Poisonous Potatoes can be configured to yield Dirt, making these items useful for terraforming in resource-scarce environments like Skyblock.

Default Rewards

While the mod is designed for customization, it comes with a balanced default loot table that showcases its capabilities. Below are common rewards found in the base configuration:

Reward Item Rarity Condition/Source
Bone Meal Common Standard output; always available for Villagers.
Dirt Common Often produced from general organic waste.
Mushrooms Uncommon Produced when the composter is rained upon.
Seeds Uncommon Produced when composting crops or grass.
Apples Rare Small chance when composting large amounts of leaves/saplings.
Diamonds Very Rare Extremely low chance from high-tier composting (configurable).

Core Mechanics

The fundamental change introduced by the Compost mod is the transition from a hardcoded output to a Loot Table System. When a composter reaches its final stage (Level 7/8), the item it produces is determined by the compost:composter loot table.

Composting Process

  1. Input: Players add compostable items (food, plants, seeds) to the composter as usual.
  2. Leveling: Each successful addition has a chance to raise the compost level.
  3. Output Generation: Once the composter is full, the mod checks the loot table and environmental predicates to determine the reward.
  4. Collection: Right-clicking the full composter yields the generated item.

Key Features

  • Dynamic Outputs: Instead of only Bone Meal, players can obtain Dirt, Seeds, or even rare minerals.
  • Contextual Logic: The mod can check if it is raining, the current light level, or the player's dimension before deciding the output.
  • Villager Integration: The default configuration ensures that Villager Farmers can still operate and receive Bone Meal, maintaining vanilla village mechanics.