OpenPaC BlueMap – NeoForge Remap
This mod integrates Open Parties and Claims (OpenPaC) with BlueMap to display land claims on your web maps in real-time.
🚀 Major Improvements from Original
This fork includes significant enhancements over the original Fabric version:
⚡ Real-Time Updates
- Event-driven syncing using
OpenPaC's IClaimsManagerListenerAPI - Immediate claim updates – no more waiting 10 minutes for changes to appear
- Live chunk change detection with:
onChunkChange
🔧 Platform Migration
- Migrated to NeoForge 1.21.1 (from Fabric)
- Updated dependencies for the latest Minecraft version
- Server-prefixed JAR naming for easy identification
🛡️ Critical Bug Fixes
- Ghost chunk elimination – fixed issue where unclaimed chunks remained visible on BlueMap
- Cache-first architecture – prevents stale data from OpenPaC API
- Memory leak prevention – eliminated
OutOfMemoryErrorcrashes - Thread-safe operations – using
ConcurrentHashMapand synchronized collections
🎯 Performance Optimizations
- UUID-based marker identification for consistent tracking
- Incremental per-player updates instead of full map rebuilds
- Efficient chunk caching system
- Reduced update intervals (5-minute fallback vs. 10-minute)



