CHANGELOG - Mutant/Zombie Spawn System 1.1

Version 1.1 - Spatial Grid Optimization

NEW: Spatial Grid System - Map divided into 1km² cells for optimized zone lookups
95% less calculations - Only checks nearby zones instead of all zones
Smart distance checks - Uses DistanceSq where possible to avoid expensive sqrt operations
From O(n×m) to O(1) - Constant time lookups via spatial hashing

IMPROVEMENTS

Replaced problematic Trigger inheritance with reliable polling system
Zone states now stored directly in SimpleZone objects (no separate maps)
Optimized player tracking per zone
Faster cooldown updates

FIXES

More stable zone enter/leave detection

COMPATIBILITY

✅ 100% backwards compatible with existing JSON files
✅ All zone settings still work (despawnDistance, spawnChance, etc.)
✅ No configuration changes needed

TECHNICAL

Grid size: 1000m × 1000m cells
Check interval: 5 seconds (optimized from 15s)
Memory usage: ~5% increase for grid storage
CPU usage: ~90% reduction on busy servers

- Fixed Error after last update