Double Doors Server

A Bukkit/Spigot plugin that opens mirrored double doors together, with low-latency syncing and optional compatibility handling for common server stacks.

Features

• Same-tick partner door sync (no scheduled 1-tick delay)
• Strict mirrored pair matching for doors:
  • same door type
  • same facing direction
  • opposite hinge
  • side-by-side only
• Optional recursive opening support for non-door openables (fence gates/trapdoors)
• Per-player toggle: /doubledoors toggle
• LuckPerms-friendly permission nodes
• GriefPrevention compatibility check for linked-door claim access
• Duplicate interaction debounce (helps packet duplication patterns seen with some Bedrock/Geyser flows)
• Translation support via JSON language files (built-in + custom)

Official sources

• GitHub www.github.com/SzaBee13/double-doors-server
• Modrinth www.modrinth.com/plugin/double-doors-server
• Hangar hangar.papermc.io/SzaBee13/double-doors-server
• CurseForge www.curseforge.com/minecraft/bukkit-plugins/double-doors-server

Compatibility

• Supports Minecraft Java Edition 1.21.X 26.1.X.

Geyser / Floodgate

• Plugin declares soft-depends on Geyser-Spigot and floodgate.
• A short duplicate-interaction debounce window is used to avoid rapid duplicate toggles on the same block.

LuckPerms

• Works through standard Bukkit permissions, so LuckPerms applies automatically.
• Use doubledoors.use to allow/deny linked opening behavior.

GriefPrevention

• Plugin declares a soft-depend on GriefPrevention.
• When present, linked-door interaction is checked against claim build permission before toggling the partner door.

Proxy Setup (Multi-Server)

DoubleDoors includes an optional Velocity proxy plugin for Geyser/Floodgate environments with multiple backend servers.

Proxy Features

• Shared SQL heartbeat/presence tracking across multiple proxies
• Automatic detection of Geyser/Floodgate clients
• Support for SQLite and MySQL databases
• Connection pooling via HikariCP for efficient SQL resource usage

Proxy Installation

1. Download the proxy JAR from the releases page (doubledoors-proxy-<version>.jar)
2. Place it in your Velocity plugins/ directory
3. Restart the proxy
4. A plugins/DoubleDoors/proxy-config.properties file will be generated

Proxy Configuration

Edit plugins/DoubleDoors/proxy-config.properties

For more, visit the wiki

Commands

• /doubledoors reload - reload config
• /doubledoors toggle - toggle behavior for yourself

Alias: dd

Check out more commands at the wiki

Permissions

• doubledoors.use (default: true)
• doubledoors.toggle (default: true)
• doubledoors.reload (default: op)

Check out more permissions at the wiki

Config

src/main/resources/config.yml

• enableRecursiveOpening (default: true)
• recursiveOpeningMaxBlocksDistance (default: 10)
• enableDoors (default: true)
• enableFenceGates (default: true)
• enableTrapdoors (default: true)
• enableVillagerLinkedDoors (default: true)
• serverWideEnabled (default: true)
• language (default: en_US)

Language files:

• Built-in fallback file: src/main/resources/lang/en_US.json
• Runtime custom language folder: plugins/DoubleDoors/lang/
• Set active language with language: <code> in config.yml (example: language: de_DE)
• Custom files are JSON objects of key/value strings and override built-in messages when present.

License

Licensed under the GNU General Public License v3.0. See LICENSE.