Don't Claim our Structures ! (FTB Chunks/OPaC)

Don't Claim Our Structures!

A server-side Forge mod for Minecraft 1.20.1 that prevents players from claiming chunks containing structures. Protects villages, temples, monuments, and other important structures from being claimed and griefed.

Support on Discord

Supported Claiming Mods

• FTB Chunks - Blocks claims before they are registered (no flicker)
• Open Parties and Claims (OPaC) - Mixin-based interception at source, with a fallback listener mode

Features

• Prevents claiming chunks that contain protected structures
• Supports both surface and underground structure protection
• Structure whitelist/blacklist filtering
• Dimension and biome filtering
• Configurable padding zones around structures
• OP bypass with configurable permission level
• Optional singleplayer protection (disabled by default)
• LRU cache with TTL for performance
• Custom denial messages with placeholders
• In-game admin commands for debugging and management

Commands

All commands require OP level 2.

Configuration

Config file: dont_touch_our_structures-common.toml

General

• affect_singleplayer - Enable protection in singleplayer (default: false)
• bypass_with_op - Allow OPs to bypass protection (default: true)
• op_bypass_level - Minimum OP level for bypass (default: 2)

Structure Types

• protect_surface - Protect surface structures (default: true)
• protect_underground - Protect underground structures (default: false)

Filtering

Structure, dimension, and biome filtering each support three modes:

• WHITELIST - Only listed entries are affected
• BLACKLIST - All entries except listed ones are affected
• DISABLED - No filtering

Padding

• enable - Add a buffer zone around structures (default: false)
• default_chunks - Default padding radius in chunks (default: 1)
• custom_structure_padding - Per-structure padding overrides (e.g. "minecraft:monument=3")

Messages

• custom_denial_message - Custom message with {structure_name}, {structure_type}, {chunk_x}, {chunk_z} placeholders
• include_structure_name / include_structure_type / include_coordinates - Toggle auto-generated message details

Hosting

If you'd like to support me and the development of my mods, I recommend trying out BisectHosting. Use code "project8gbderam" to get 25% off your first month of a gaming server for new customers.