{
  "$id": "blockception.minecraft.behavior.blocks.minecraft.material_instances",
  "title": "Material Instances",
  "description": "The material instances for a block. Maps face or material_instance names in a geometry file to an actual material instance. You can assign a material instance object to any of these faces: \"up\", \"down\", \"north\", \"south\", \"east\", \"west\", or \"*\". You can also give an instance the name of your choosing such as \"my_instance\", and then assign it to a face by doing \"north\":\"my_instance\".",
  "required": [],
  "examples": [
    { "*": {} },
    { "custom_sides": {} },
    { "up": {} },
    { "down": {} },
    { "north": {} },
    { "south": "custom_sides" },
    { "east": "custom_sides" },
    { "west": "custom_sides" }
  ],
  "type": "object",
  "additionalProperties": {
    "title": "Material Instance",
    "description": "The material instance for a block. Maps face or material_instance names in a geometry file to an actual material instance. You can assign a material instance object to any of these faces: \"up\", \"down\", \"north\", \"south\", \"east\", \"west\", or \"*\". You can also give an instance the name of your choosing such as \"my_instance\", and then assign it to a face by doing \"north\":\"my_instance\".",
    "oneOf": [
      {
        "type": "string"
      },
      {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "alpha_masked_tint": {
            "title": "Alpha Masked Tint",
            "description": "Should the tint be multiplied by the alpha channel of texture (similar to grass_block's sides)?",
            "type": "boolean",
            "default": false
          },
          "ambient_occlusion": {
            "title": "Ambient Occlusion",
            "description": "Should this material have ambient occlusion applied when lighting? If true, shadows will be created around and underneath the block.",
            "anyOf": [
              {
                "type": "boolean",
                "default": true
              },
              {
                "type": "number",
                "minimum": 0 //TODO: Check if there's a maximum value
              }
            ]
          },
          "emissive": {
            "title": "Emissive",
            "description": "[Experimental] Should this material be rendered as emissive",
            "type": "boolean",
            "default": false
          },
          "face_dimming": {
            "title": "Face Dimming",
            "type": "boolean",
            "default": true,
            "description": "Should this material be dimmed by the direction it's facing?"
          },
          "render_method": {
            "title": "Render Method",
            "type": "string",
            "default": "opaque",
            "description": "The render method to use. Must be one of these options: opaque - Used for a regular block texture without an alpha layer. Does not allow for transparency or translucency. double_sided - Used for completely disabling backface culling. blend - Used for a block like stained glass. Allows for transparency and translucency (slightly transparent textures). alpha_test - Used for a block like the vanilla (unstained) glass. Does not allow for translucency, only fully opaque or fully transparent textures. Also disables backface culling.",
            "markdownDescription": "The render method to use. Must be one of these options: \nopaque - Used for a regular block texture without an alpha layer. Does not allow for transparency or translucency.\ndouble_sided - Used for completely disabling backface culling.\nblend - Used for a block like stained glass. Allows for transparency and translucency (slightly transparent textures).\nalpha_test - Used for a block like the vanilla (unstained) glass. Does not allow for translucency, only fully opaque or fully transparent textures. Also disables backface culling.",
            "enum": ["opaque", "double_sided", "blend", "alpha_test", "alpha_test_single_sided", "blend_to_opaque", "alpha_test_to_opaque", "alpha_test_single_sided_to_opaque"]
          },
          "texture": {
            "title": "Texture",
            "type": "string",
            "description": "Texture name for the material."
          },
          "isotropic": {
            "title": "Isotropic",
            "description": "Controls rotating the face UVs randomly based on BlockPos",
            "type": "boolean"
          },
          "tint_method": {
            "title": "Tint Method",
            "description": "Tint multiplied to the color. Tint method logic varies, but often refers to the \"rain\" and \"temperature\" of the biome the block is placed in to compute the tint.",
            "type": "string",
            "$ref": "../../../../general/vanilla/tint_methods.json"
          }
        }
      }
    ]
  }
}