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Version: 1.4

Compatibility

Platform​

  • Bukkit/Spigot/Paper/Purpur 1.21+
  • Folia (region-aware scheduling)
  • Java 25+

Permission Plugins​

LuckPerms​

  • Uses standard Bukkit permissions.
  • No special integration code required.
  • Manage doubledoors.* nodes as usual.

Protection Plugins​

GriefPrevention​

  • Optional reflective integration.
  • Linked partner door checks require Access trust by default because griefprevention.requireBuildForLinkedDoors defaults to false. Enabling the option changes the requirement to Build trust.
  • If reflection fails or API signatures differ while GriefPrevention is installed, the linked action is denied and a compatibility error is logged. If GriefPrevention is absent, the integration is bypassed.
  • Per-claim villager blocking: admins can toggle villager linked-door access per claim using /doubledoors grief villagers.

WorldGuard​

  • Optional reflective integration via softdepend.
  • Build permission check: When worldGuardRespectBuildPermission is true, linked door actions require WorldGuard build permission.
  • USE flag check: When worldGuardRespectUseFlag is true, linked door actions require the WorldGuard USE flag to be set to allow.
  • Custom state-flag: A configurable flag name (default double-doors-allow) can be set per-region to allow or deny DoubleDoors behavior. Resolved with priority-based flag resolution when multiple regions overlap.
  • Region blacklist/whitelist: worldGuardRegionFilter.mode controls which WorldGuard regions are subject to DoubleDoors linking. Region IDs are collected via WorldGuard's getApplicableRegions() API.
  • If reflection fails or API signatures differ while WorldGuard is installed, the linked action is denied and a compatibility error is logged. If WorldGuard is absent, the integration is bypassed.

Bedrock Bridge​

Geyser and Floodgate​

  • Optional soft dependency.
  • Duplicate interaction debounce is active to reduce double-fire toggles for the same block interaction.
  • When SQL storage is enabled, the Bukkit plugin polls the shared database to detect if a remote Velocity proxy has Geyser/Floodgate active, enabling Bedrock client debounce even when Geyser runs on a separate proxy.

Concurrency Frameworks​

Folia​

  • Plugin declares folia-supported: true in plugin.yml.
  • Uses region-aware scheduling via reflection: getGlobalRegionScheduler(), getRegionScheduler(), getAsyncScheduler().
  • Falls back to standard Bukkit scheduler when Folia is not present.
  • Delayed block updates and shared-state access use Folia-aware region scheduling.

Other Plugins​

DoubleDoors is event-driven and generally compatible with typical server stacks. If another plugin cancels interaction events before MONITOR handlers run, DoubleDoors will not process those cancelled events.

Practical Advice​

  • Keep only one plugin responsible for advanced multi-block door logic.
  • If you stack multiple similar plugins, expect conflicts or race-like state overrides.
  • Prefer explicit permission setup for user groups even if defaults already allow use.