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# ⚡ G1axFixer **Heavy-duty performance optimization & crash prevention for Minecraft 1.21.11** G1axFixer eliminates crashes from resource packs and delivers aggressive real-time optimizations across networking, packet handling, entity ticking, rendering, chunk building, and memory management. [](https://discord.gg/XPYnrMd39C) [](https://github.com/AkaTriggered) ## 🔥 What Makes G1axFixer Different Most "optimization" mods touch one or two systems. G1axFixer runs **17 real-time mixins** across **6 game systems** simultaneously: | System | Mixins | What Happens | |--------|--------|-------------| | **Network** | 3 | Packet deduplication, position throttle, spawn burst limiter | | **Ticking** | 1 | 3-tier distance scaling, per-type throttling (items, armor stands, frames) | | **Rendering** | 4 | Entity/block entity culling, particle cap, chunk rebuild throttle | | **Memory** | 1 | JVM pressure monitoring, auto-aggressive culling mode | | **Packets** | 1 | Distant particle/explosion/world event culling, XP/health dedup | | **Stability** | 7 | Atlas, ZIP, sound, model, language, metadata, reload protection | Every optimization is **configurable** and **safe** — wrapped in `try-catch` so a bug in the mod never crashes your game. ## ⚡ Network & Packet Optimization The heaviest area. G1axFixer intercepts packets at multiple levels: - **Packet Deduplication** — Duplicate particle, sound, and world event packets within 50ms are dropped - **Position Packet Throttle** — Outbound movement packets skipped when you haven't moved significantly (saves bandwidth) - **Entity Spawn Burst Limiter** — Caps entity spawns to 50/second, prevents lag spikes when entering loaded chunks - **Distant Particle Culling** — Server particle packets beyond your cull distance are dropped before processing - **Distant Explosion Culling** — Explosions >256 blocks away are silently ignored - **World Event Culling** — Block break/place effects >180 blocks away are skipped - **XP & Health Dedup** — Rapid XP/health update packets are deduplicated (100ms/50ms windows) --- ## 🎯 Entity Tick Optimization Smart tick throttling that never breaks gameplay: **Distance-Based (3 Tiers):** - Near-mid range: Tick every **2nd** tick (50% reduction) - Mid-far range: Tick every **4th** tick (75% reduction) - Far range: Tick every **8th** tick (87.5% reduction) **Per-Type Throttling:** - Item entities: Tick every **4th** tick - Armor stands (no passengers): Tick every **8th** tick - Item frames: Tick every **20th** tick **Never Throttled:** Players, Ender Dragon, Wither, named mobs, projectiles ## 🖥️ Render Optimization Per-type entity render culling with smart distances: | Entity Type | Cull Distance | |------------|--------------| | Item entities | 64 blocks | | Item frames | 45 blocks | | Glow item frames | 45 blocks | | Armor stands | 90 blocks | | XP orbs | 32 blocks | | Block entities (chests, signs, etc.) | 64 blocks (configurable) | | Generic entities | 128 blocks (configurable) | Plus: - **Particle cap**: 1000/tick max (configurable) - **Chunk rebuild throttle**: 4 rebuilds/frame max (prevents lag from mass block changes) - **Memory-aware culling**: When free memory drops below 15%, cull distances are halved automatically ## 🛡️ Crash Prevention 8 resource pack fixers that silently handle errors instead of crashing: - **Corrupt ZIP Guard** — Handles broken .zip resource packs - **Atlas Overflow Fix** — Prevents GPU texture limit crashes - **Missing Sprite Handler** — Replaces missing textures with fallback - **Sound Event Fixer** — Cancels playback of missing/null sounds - **Model Load Protection** — Catches model bake/reload failures - **Language File Sanitizer** — Handles malformed translation files - **Metadata Auto-Repair** — Fixes missing pack.mcmeta - **Reload Hang Protection** — Timeout for stuck resource reloads ## 📦 Installation 1. Install **Fabric Loader** (0.19.2+) 2. Install **Fabric API** 3. Drop `g1axfixer-1.1.0.jar` in `.minecraft/mods/` 4. Launch — everything works out of the box ## 🔄 Compatibility ### ✅ Compatible With - Fabric API, Sodium, Iris Shaders, Lithium, Phosphor - Most Fabric mods ### ❌ Incompatible With - OptiFabric / OptiFine (use Sodium + Iris instead) ## 📊 Performance Impact **Typical results on mid-range hardware:** | Metric | Before | After | |--------|--------|-------| | FPS in crowded areas | 30-40 | 55-60+ | | Entity tick overhead | 100% | ~30% at distance | | Particle lag spikes | Frequent | Eliminated | | Network packet volume | Baseline | 15-25% reduced | | Resource pack crashes | 1-2/hour | 0 | ## 🐛 Troubleshooting - **Game won't launch:** Check Fabric API is installed. Remove OptiFine. - **Config not working:** Delete `config/g1axfixer.json` to regenerate defaults. - **Need more info:** Set `"logDebug": true` and check `latest.log` for `[G1axFixer]` entries. - **Still having issues:** [Discord](https://discord.gg/XPYnrMd39C) or [GitHub Issues](https://github.com/AkaTriggered/G1axFixer/issues) ## 👥 Credits **Developers:** AkaTriggered, G1ax **Discord:** [Join our community](https://discord.gg/XPYnrMd39C) **GitHub:** [AkaTriggered](https://github.com/AkaTriggered) ## 📜 License MIT License — Free to use, modify, and distribute. **Made with ⚡ for the Minecraft community**