mob merger

# Mob Merger - Comprehensive Summary **Mob Merger** is a performance optimization mod for Fabric on Minecraft 1.20.1 (v1.0.9) that merges nearby farm mobs to reduce lag in massive farms while maintaining equivalent production.

模组 Fabric 农业附属

介绍

中文介绍正在准备中，下面暂时显示原文。

# Mob Merger – Comprehensive Summary

**Mob Merger** is a performance optimization mod for Fabric on Minecraft 1.20.1 (v1.0.9) that merges nearby farm mobs to reduce lag in massive farms while maintaining equivalent production.

## Core Functionality

– **Automatic Merging**: Combines farm mobs of the same type within a 5-block radius into a single entity with a counter

– **Mob Super-Stacking**: A single mob can represent up to 100 individual mobs

– **Performance Optimization**: Significantly reduces entity count, minimizing ticks, AABB checks, and rendering overhead

## Technical Parameters

– **Merge Radius**: 5.0 blocks

– **Merge Interval**: 20 ticks (1 second), staggered by entity ID

– **Max Merged Count**: 100 mobs per entity

– **Minimum Age for Merge**: 40 ticks (2 seconds) – allows prior detection by automated systems

## Key Features

### 1. **Realistic Death System**

– You must kill a merged mob as many times as its counter indicates

– Each “death” decrements the counter by 1, drops loot for 1 mob, and fully restores health

– Only when the counter reaches 1 does the mob die permanently

– Example: Mob with counter 10 = kill it 10 times to eliminate it

### 2. **Functional Breeding System**

– Merged mobs can breed normally

– Accumulates breeding food: every 2 foods = 1 baby

– When breeding, the merged mob’s counter decrements based on babies born

– Automatic spawning of multiple babies according to accumulated food

– Equal distribution of decrements between both parents

### 3. **Scaled Production by Type**

#### **Chickens**

– Accelerate egg timer according to counter (up to 10x faster)

– When laying eggs, drop as many eggs as their counter indicates

– Additional egg-laying sounds

#### **Sheep**

– When sheared, drop wool multiplied by counter

– Random base amount (1-3) × counter

– Splits into stacks to avoid overflow (max 64 per stack)

– Correctly maintains wool color

#### **Cows**

– Can be milked normally

– Each use works the same as vanilla

#### **Pigs**

– Maintain normal behavior

### 4. **Jade Integration**

– Displays “Merged: X mobs” in tooltip when looking at a merged mob

– Client-server synchronization for accurate data

## Safety Exclusions

– ❌ Does NOT merge baby mobs

– ❌ Does NOT merge mobs during breeding (isInLove)

– ❌ Does NOT merge villagers (don’t inherit from Animal)

– ❌ Does NOT merge bats (they are Ambient, not Animal)

– ✅ Allows merged mobs to breed after merging

## Supported Mobs

Any entity that inherits from `Animal`:

– ✅ Chickens, cows, pigs, sheep

– ✅ All vanilla farm animals

– ❌ Villagers and bats are automatically excluded

## Technical Implementation

### Code Structure

– **`IMergedMob`**: Interface for tracking merged mob counter and breeding food

– **`AnimalMixin`**: Main merging logic, breeding, and NBT persistence

– **`LivingEntityMixin`**: Multiple death system with loot drops

– **`ChickenMixin`**: Egg production acceleration

– **`SheepMixin`**: Wool multiplication when sheared

– **`CowMixin` & `PigMixin`**: Maintain normal behavior

– **`MergedMobProvider`**: Jade integration for tooltips

### Persistence

– Saves `MergedCount` and `BreedingFoodCount` to NBT

– Persists when saving/loading chunks

### Staggering

– Uses `(gameTime + entityID) % MERGE_INTERVAL` to distribute CPU load across ticks

## Use Cases

– Massive Create mod farms with hundreds of animals

– Lag reduction on servers with many automated farms

– Performance optimization without sacrificing gameplay mechanics

– Compatible with Create and other automation mods

## Configuration

Configurable values in `MobMerger.java`:

– `MERGE_RADIUS`: Search radius for merging (default: 5.0 blocks)

– `MERGE_INTERVAL`: Check frequency (default: 20 ticks = 1 second)

– `MAX_MERGED_COUNT`: Maximum mobs in one (default: 100)

– `MIN_AGE_FOR_MERGE`: Minimum age to merge (default: 40 ticks = 2 seconds)

## Compatibility

– Minecraft 1.20.1

– Fabric Loader 0.16.9+

– Fabric API 0.92.2+

– Jade (optional, for displaying information)

– Compatible with Create and other automation mods

## Supported Languages

– English (en_us)

– Spanish (es_es) available in assets

## Installation

1. Ensure you have Fabric Loader installed

2. Download the compiled .jar file

3. Place the file in your server/client `mods` folder

4. Restart the server/client

## Building

“`bash

./gradlew build

“`

The .jar file will be generated in `build/libs/`

## License

MIT License – See LICENSE file for more details

## Credits

Created by Julia

Inspired by the Item Merger concept for Create farm optimization

常见问题

mob merger 支持哪些 Minecraft 版本？

mob merger 支持 Minecraft Java 版 1.20.1，可用的加载器：Fabric。下载时注意选择和你游戏版本一致的文件。

mob merger 怎么安装？

先用 PCL2 或 HMCL 启动器安装对应版本的 Fabric，再把下载的 .jar 文件放进游戏目录的 mods 文件夹，重新启动游戏即可。开启了版本隔离的，mods 文件夹在 versions/版本名下面。

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