26.1 Structure Voids not Working in Generation (Huge Structure Blocks Mod, Issue Holds w/o it Tho) | Datapack Hub | Page 1

formal pumice Jun 30, 2026, 3:54 PM

#

This structure is generating with a consistent air gap at its base despite there being structure voids there when the build was saved. I have subbed in lime wool in the first image to illustrate. I am using the huge structure blocks mod while doing this, but removed the mod (which resets the structure block boundaries to their vanilla maxes), resaved the structure, and regenerated the terrain and the gaps were still there. Attached is my code for worldgen\structure, worldgen\structure_set, and worldgen\template_pool respectively. Thank you!

  "type": "minecraft:jigsaw",
  "biomes": [
    "pale_garden",
    "regis_content:nebraska/nebraska_biome"
  ],
  "step": "surface_structures",
  "terrain_adaptation": "beard_thin",
  "spawn_overrides": {},
  "start_pool": "regis_content:regis_space/mini_castle",
  "size": 1,
  "start_height": {
    "absolute": -23
  },
  "project_start_to_heightmap": "WORLD_SURFACE_WG",
  "max_distance_from_center": 1,
  "use_expansion_hack": false
}```

```{
  "structures": [
    {
      "structure": "regis_content:regis_space/mini_castle",
      "weight": 1
    }
  ],
  "placement": {
    "type": "minecraft:random_spread",
    "spacing": 8,
    "separation": 4,
    "salt": 0
  }
}```

```{
  "name": "regis_content:mini_castle",
  "fallback": "minecraft:empty",
  "elements": [
    {
      "weight": 1,
      "element": {
        "element_type": "minecraft:single_pool_element",
        "projection": "rigid",
        "location": "regis_content:regis_space/mini_castle",
        "processors": "minecraft:empty",
        "override_liquid_settings": "ignore_waterlogging"
      }
    }
  ]
}```