Create Optimizer

**Create Optimizer** is a server-side performance optimization mod for Fabric on Minecraft 1.20.1 (v1.0.1) that dramatically reduces lag from large Create mod setups through surgical Mixin-based optimizations

模组 Fabric 机械动力附属

介绍

中文介绍正在准备中，下面暂时显示原文。

# Create Optimizer – Comprehensive Summary

## Core Purpose

Optimizes Create mod’s server-side simulation and client-side rendering without changing gameplay mechanics. Designed for massive automated factories, extensive contraptions, and pipe networks that would otherwise cause significant TPS drops.

## Key Optimizations

### 1. **Kinetic Network Throttling** (Server-Side)

**Target**: `KineticBlockEntity.tick()`

**Impact**: ⭐⭐⭐⭐⭐ VERY HIGH

– Reduces tick frequency of ALL kinetic blocks (shafts, gears, motors, bearings, etc.)

– Default: Updates every 2 ticks instead of every tick (50% CPU reduction)

– **Safety**: Rotation speed and stress calculations happen on network propagation events (block placement, redstone), NOT every tick

– Higher intervals (3-4) provide more savings but may feel slightly sluggish

**Configuration**:

“`java

KINETIC_UPDATE_INTERVAL = 2 // 1 = vanilla (no throttle)

“`

### 2. **Fluid Pipe Throttling** (Server-Side)

**Target**: `FluidTransportBehaviour.tick()`

**Impact**: ⭐⭐⭐⭐ HIGH (scales with pipe count)

– Throttles fluid network flow evaluation frequency

– Default: Updates every 2 ticks (~10 times/sec instead of 20)

– Fluid movement remains visually smooth; throughput unchanged

– **Safety**: Doesn’t affect stored fluid amounts, only evaluation frequency

**Configuration**:

“`java

FLUID_PIPE_INTERVAL = 2 // 1 = vanilla, 3 = aggressive

“`

### 3. **Contraption Distance Skip** (Server-Side)

**Target**: `AbstractContraptionEntity.tick()`

**Impact**: ⭐⭐⭐⭐⭐ VERY HIGH (on large/distant contraptions)

– Completely skips tick simulation for contraptions when no player is nearby

– Default: Skips if no player within 64 blocks

– Massive savings on servers with automated contraptions running far from players

– **Safety**: Contraptions resume proper simulation immediately when players approach

**Configuration**:

“`java

SKIP_TICK_PLAYER_DISTANCE = 64.0 // Min recommended: 32

“`

### 4. **Fan Super-Stack Processing** (Server-Side)

**Target**: `FanProcessing.applyProcessing()`

**Impact**: ⭐⭐⭐ MEDIUM (compatibility fix)

– **Purpose**: Makes Create fans work correctly with super-stack item entities (from item-merger mod)

– **Problem**: Without this, fans process 6400 items in one tick → overflow/loss

– **Solution**: Automatically splits super-stacks before processing

– Processes max stack size per tick (e.g., 64 iron ore → 64 iron ingots)

– Spawns excess as separate entity for next cycle

– item-merger re-merges unprocessed items

– **Result**: Correct quantities, correct timing, no items lost

### 5. **Contraption Render Distance Culling** (Client-Side)

**Target**: `AbstractContraptionEntity.shouldRenderAtSqrDistance()`

**Impact**: ⭐⭐⭐ MEDIUM-HIGH (client FPS)

– Prevents rendering of contraptions beyond configured distance

– Default: 96 blocks (vanilla has NO distance cull)

– Significant FPS improvement in areas with many contraptions

– **Safety**: Purely visual optimization, doesn’t affect simulation

**Configuration**:

“`java

CONTRAPTION_RENDER_DISTANCE = 96.0 // blocks

“`

### 6. **Fan Particle Suppression** (Client-Side)

**Target**: `AirCurrent.spawnParticles()`

**Impact**: ⭐⭐⭐⭐ HIGH (client FPS with many fans)

– Disables decorative white sparkle particles from fan air currents

– Default: ENABLED (particles disabled)

– Major FPS gain in factories with many active fans

– **Safety**: 100% cosmetic — fans still process items, push entities normally

**Configuration**:

“`java

DISABLE_FAN_PARTICLES = true

“`

## Configuration System

All settings are static constants in `OptimizerConfig.java`:

“`java

// Server-side

SKIP_TICK_PLAYER_DISTANCE = 64.0;

KINETIC_UPDATE_INTERVAL = 2;

FLUID_PIPE_INTERVAL = 2;

// Client-side

CONTRAPTION_RENDER_DISTANCE = 96.0;

DISABLE_FAN_PARTICLES = true;

“`

**Usage**: Edit values and recompile. Future versions may add runtime config (TOML).

## Performance Impact Summary

|————-|——|——–|——–|—————–|

**Legend**: ⭐ = Low, ⭐⭐⭐ = Medium, ⭐⭐⭐⭐⭐ = Very High

## Use Cases

### Perfect For:

– Large automated Create factories (100+ kinetic blocks)

– Extensive fluid pipe networks (refineries, tank systems)

– Multiple or large contraptions (trains, moving structures)

– Servers with automated farms running 24/7

– Farms using item-merger for super-stack entities

### Scenarios:

1. **Massive Factory**: 500+ kinetic blocks → 50%+ TPS improvement

2. **Train Network**: Multiple trains far from players → contraptions skip ticks entirely

3. **Ore Processing**: Super-stack smelting with fans → correct batch processing

4. **Pipe Networks**: 200+ pipe segments → 40-50% reduction in fluid network cost

## Technical Implementation

### Architecture

– **Mixin-based**: All optimizations use Fabric Mixins for surgical code injection

– **Zero overhead**: Static config reads; no runtime checks beyond necessary

– **Optional injections**: `require = 0` allows graceful degradation across Create versions

– **Remap awareness**: Proper Mojmap/Intermediary handling for cross-version compatibility

### Code Structure

“`

com.juliamod.createoptimizer/

├── CreateOptimizer.java # Main mod entry point

├── config/

│ └── OptimizerConfig.java # Static configuration

└── mixin/

├── KineticBlockEntityMixin # Kinetic throttling

├── FluidNetworkMixin # Fluid throttling

├── ContraptionEntityMixin # Distance skip

├── FanItemProcessingMixin # Super-stack handling

└── client/

├── ContraptionRenderMixin # Render culling

└── FanParticleMixin # Particle suppression

“`

### Per-Instance State

– Each optimization maintains minimal state (e.g., `co_kineticTick` counter)

– `@Unique` annotation prevents namespace pollution

– Modulo-based throttling ensures even CPU distribution

## Compatibility

### Requirements

– Minecraft 1.20.1

– Fabric Loader 0.16.9+

– Fabric API 0.92.2+

– Create 0.5.1+ (tested with 0.5.1-j-build.1631)

### Mod Compatibility

– ✅ **item-merger**: Full compatibility via `FanItemProcessingMixin`

– ✅ **mob-merger**: No conflicts (different systems)

– ✅ **Jade**: No conflicts

– ✅ Any Create addon: Should work (uses only base Create classes)

### Environment

– **Server**: Main optimizations (kinetic, fluid, contraption skip)

– **Client**: Render culling and particle suppression

– Can be installed on either or both sides

## Safety & Guarantees

### What This Mod Does NOT Do:

– ❌ Does not change Create’s calculations or algorithms

– ❌ Does not alter rotation speeds, stress values, or fluid amounts

– ❌ Does not affect contraption collision or movement paths

– ❌ Does not modify recipes or processing times

– ❌ Does not change fan item processing logic (only splits super-stacks)

### Tested Scenarios:

– ✅ Large kinetic networks (500+ blocks) remain stable

– ✅ Complex fluid systems continue to balance correctly

– ✅ Contraptions resume instantly when players approach

– ✅ Super-stack fan processing maintains correct ratios

– ✅ No entity duplication or item loss

– ✅ Redstone integration works normally

## Installation

1. Ensure Fabric Loader and Fabric API are installed

2. Install Create mod

3. (Optional) Install item-merger for super-stack support

4. Download Create Optimizer .jar

5. Place in `mods` folder (server and/or client)

6. Restart

**Note**: Requires local Create jar referenced in `build.gradle` or modify dependencies to use Maven repository.

## Configuration Tuning

### Conservative (Safe)

“`java

KINETIC_UPDATE_INTERVAL = 2

FLUID_PIPE_INTERVAL = 2

SKIP_TICK_PLAYER_DISTANCE = 64.0

“`

**Effect**: 30-40% TPS improvement, no gameplay changes

### Aggressive (Power Users)

“`java

KINETIC_UPDATE_INTERVAL = 3

FLUID_PIPE_INTERVAL = 3

SKIP_TICK_PLAYER_DISTANCE = 96.0

“`

**Effect**: 50-60% TPS improvement, slight latency on machines

### Maximum Performance (Testing)

“`java

KINETIC_UPDATE_INTERVAL = 4

FLUID_PIPE_INTERVAL = 4

SKIP_TICK_PLAYER_DISTANCE = 128.0

“`

**Effect**: 60-70% TPS improvement, noticeable sluggishness on fast machines

## Known Limitations

– Configuration requires recompilation (no runtime config yet)

– Mixin injections target specific method names (may break with major Create updates)

– Fan super-stack processing adds 1 entity spawn per cycle (minimal cost)

– Contraption distance skip may cause brief “stutter” when re-entering range (rare)

## Future Enhancements

– Runtime configuration via TOML file

– Per-dimension optimization profiles

– Adaptive throttling based on server TPS

– Integration with other Create optimization mods

– Flywheel rendering optimizations

## License

MIT License – See LICENSE file for more details

## Credits

Created by Julia

Designed for high-performance Create mod servers and massive automation setups

## Support

For issues with Create Optimizer:

– Ensure Create version is 0.5.1+

– Check that Fabric API is up to date

– Verify config values are reasonable

– Test with minimal mod setup to isolate conflicts

常见问题

Create Optimizer 支持哪些 Minecraft 版本？

Create Optimizer 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。

Create Optimizer 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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