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# CelestCombat-Pro v1.2.0 — Major Performance Optimization Update ## Overview This update introduces major performance improvements to the WorldGuard safe-zone protection system and fixes issues with combat command blocking. The focus of this release is **reducing CPU usage during player movement and combat interactions**, making the plugin significantly more efficient on servers with many players. Expected performance improvement: **up to 90% reduction in CPU usage for safezone barrier detection.** --- ## Performance Improvements ### WorldGuard Safezone Barrier Optimization The safezone detection and barrier visualization system has been heavily optimized. **Estimated CPU usage improvement** Before ~1.60% server thread usage After ~0.15–0.20% server thread usage These improvements are most noticeable on PvP servers with many players in combat near protected regions. --- ### Reduced Vertical Scanning Barrier detection previously scanned a large vertical range. The scan height is now limited to **4 blocks relative to the player**. Benefits: * Reduces location checks significantly * Improves safezone border detection performance * Lowers CPU usage during movement events --- ### Barrier Update Early Exit Barrier updates now stop immediately if the barrier layout has not changed. This prevents unnecessary operations such as: * recalculating barrier locations * sending redundant block updates * iterating over barrier collections --- ### Location Object Reuse Location objects are now reused during scanning instead of creating new instances. Previously each update could create **hundreds of Location objects**. This change removes a major source of memory allocation and reduces garbage collection pressure. --- ### Optimized HashSet Usage Barrier tracking collections have been optimized to avoid unnecessary HashSet creation. Collections are now created only when required. --- ### Packed Cache Keys Safezone caching now uses **bit-packed long keys** instead of string concatenation. Previous cache format: `world:x:y:z` New cache format: `long packedLocationKey` Benefits: * eliminates string allocations * improves map lookup speed * significantly reduces memory overhead --- ## Bug Fixes ### Combat Command Blocking Commands defined in the combat blacklist were not always blocked due to case-sensitive comparisons. Command matching is now **fully case-insensitive**. Example commands that are now correctly blocked: * `/tpa` * `/TPA` * `/Tpa` * `/spawn` * `/SPAWN` Wildcard patterns continue to function as expected. Example configuration: ``` blocked_commands: - tpa - spawn - team* ``` --- ## Technical Improvements ### Object Allocation Reduction The update removes hundreds of unnecessary object allocations during player movement events. Key improvements include: * removing Location cloning inside loops * eliminating string-based cache keys * optimizing HashSet usage * reducing safezone scanning volume --- ## Expected Server Impact Example scenario: **50 players moving in combat near safezones** Before update ~1.60% CPU usage After update ~0.15–0.20% CPU usage This results in smoother gameplay and reduced server load during PvP. --- ## Recommendation This update is strongly recommended for servers running practice PvP, combat-focused gameplay, or large player counts. Updating will significantly improve movement handling and safezone barrier performance.