generator.json

{
  "forge_marker": 1,
  "defaults": {
    "model": "cube_column",
    "transform": "forge:default-block",
    "textures": {
      "end": "simplethings:block/energy_generator",
    }
  },
  "variants": {
    "type": {
      "fire": {
        "textures": {
          "side": "simplethings:block/energy_generator_fire"
        }
      },
      "sugar": {
        "textures": {
          "side": "simplethings:block/energy_generator_sugar"
        }
      }
    }
  }
}