hxwi1structures
ModAn NBT structure generator for modpack makers. Visual GUI config, four placement modes, biome tags, dimensions, Y range, chance, min distance. High‑performance, no Mixin, good compatibility. For 1.20.1 Forge / 1.21.1 NeoForge.
Type
Mod
Modrinth Downloads
88
Modrinth ID
wjsGWBKQ
Last Updated
Jul 29, 2026
Description
Hxwi1Structures
NBT structure generation mod designed for modpack authors – visual config, high performance, ready to use.
📦 Overview
Tired of manually writing JSON to configure structure generation? Hxwi1Structures lets you manage all your NBT structure generation rules through a visual GUI. Drop your buildings, click a few times, and the world will generate them automatically.
Feature Description 🎮 Visual Config /hxwi1 config – dual-panel GUI, left pane auto‑scans NBT files, right pane editable fields 🔄 Hot‑Reload Configuration reloads automatically after saving – no need to restart 🌍 Four Placement Modes Snap to Surface, Snap to Water Surface, Dock Mode, Underwater Mode 🎲 Fine‑Grained Control Biomes (tag support), dimensions, Y range, chance, conflict ratio, min chunk distance, rotations, Y offset, etc. 🪓 Extra Block Removal clear_blocks – manually specify blocks to remove (solves compatibility with Dynamic Trees and similar mods) ⛏️ Flatten Ground flatten_ground + ground_block – automatically fills gaps under the structure 💬 Debug Commands /hxwi1 biomeinfo – shows current biome and spawnable structures, /hxwi1 spawn for manual testing ⚡ High Performance Chunk post‑processing + tick throttling + LRU cache, negligible TPS impact 🔌 Excellent Compatibility No Mixin – works with major terrain/optimisation mods (verified with Better MC / ATM10)📥 Installation
- Download the JAR for your game version (1.20.1 Forge or 1.21.1 NeoForge).
- Put it into the mods/ folder.
- Start the game – config files will be generated in config/hxwi1structures/.
- Place your structure‑block exported .nbt files into config/hxwi1structures/structures/ (subfolders supported).
- Run /hxwi1 config to set up generation rules.
🛠️ Quick Start
- Add structures: Drop .nbt files into the structures/ folder – the mod auto‑detects them.
- Configure rules: Pick an NBT file in the GUI, set biomes, chance, Y range, etc.
- Test: Use /hxwi1 spawn <filename> to spawn a structure at your current position.
- Debug: /hxwi1 biomeinfo shows which structures can generate in your current biome.
📖 Documentation
An in‑game multi‑language tutorial file is auto‑generated at: config/hxwi1structures/readme.txt
It contains a complete field reference, workflow examples, and FAQ.
⚠️ Current Version Status
- v0.3.1-alpha – core features stable, above‑ground generation has been validated in large modpacks.
- Known issue: Underground generation does not have collision detection and may overlap with other mods‘ dungeons. Mitigate by adjusting Y range or increasing min_chunk_distance.
- Semi‑compatible with Dynamic Trees: may require manually adding Dynamic Trees’ blocks to clear_blocks for complete removal.
🧪 Compatibility
- ✅ Better MC v58 (BMC4)
- ✅ All the Mods 10 - 7.0
- ✅ C2ME, TerraForged, Terralith, Biomes O’ Plenty, etc.
- ⚠️ Dynamic Trees (semi‑compatible, may need extra clear_blocks configuration)
📝 License & Open Source
- Code: MIT License
- NBT structure assets: Copyright retained by their creators. Redistribution of extracted NBT files for other mods is prohibited. They may be distributed as part of an entire modpack together with this mod.
🔗 Links
- GitHub: https://github.com/hxwi1/hxwi1structures
- Feedback: [email protected]
If you like this mod, recommend it to your favourite modpack authors!
Compatibility
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