{
  "$schema": "http://json-schema.org/draft-07/schema",
  "$id": "blockception.minecraft.resource.texture.ui_definition",
  "additionalProperties": false,
  "description": "The file that specifies either 9slice texture or Aseprite flipbook.",
  "title": "UI Texture File",
  "type": "object",
  "oneOf": [{ "$ref": "#/definitions/A" }, { "$ref": "#/definitions/B" }],
  "definitions": {
    "A": {
      "additionalProperties": false,
      "description": "The file that specifies 9Slice textures.",
      "title": "9Slice Texture File",
      "type": "object",
      "properties": {
        "nineslice_size": {
          "title": "9Slice offsets",
          "oneOf": [
            { "description": "Offset from left, top, right and bottom of the texture file.", "type": "number", "minimum": 0 },
            {
              "description": "Offsets from left, top, right and bottom of the texture file (in this exact order).",
              "type": "array",
              "minItems": 4,
              "maxItems": 4,
              "items": { "type": "number", "minimum": 0 }
            }
          ]
        },
        "base_size": {
          "title": "Size of the texture",
          "description": "Width and height of the texture (in this exact order).",
          "type": "array",
          "minItems": 2,
          "maxItems": 2,
          "items": { "type": "number", "minimum": 0 }
        }
      }
    },
    "B": {
      "additionalProperties": false,
      "description": "The file that specifies Aseprite/libresprite flipbook animation.",
      "title": "Aseprite Flipbook File",
      "type": "object",
      "properties": {
        "meta": {
          "type": "object",
          "description": "The meta data of the flipbook.",
          "additionalProperties": true,
          "properties": {
            "size": {
              "type": "object",
              "description": "The size of the flipbook sprite sheet.",
              "properties": {
                "w": { "description": "The width of the sprite sheet.", "type": "integer" },
                "h": { "description": "The height of the sprite sheet.", "type": "integer" }
              },
              "required": ["w", "h"]
            },
            "image": { "description": "The path to the sprite sheet. The value is required, but not used.", "type": "string" }
          },
          "required": ["size", "image"]
        },
        "frames": {
          "type": "array",
          "description": "The frames of the flipbook.",
          "items": {
            "type": "object",
            "additionalProperties": true,
            "properties": {
              "duration": { "description": "The duration of the frame in milliseconds.", "type": "integer", "minimum": 1 },
              "frame": {
                "type": "object",
                "description": "The position of the frame in the sprite sheet (UV).",
                "properties": {
                  "x": { "type": "integer", "description": "The x position of the frame in the sprite sheet.", "minimum": 0 },
                  "y": { "type": "integer", "description": "The y position of the frame in the sprite sheet.", "minimum": 0 }
                },
                "required": ["x", "y"]
              }
            },
            "required": ["duration", "frame"]
          }
        }
      },
      "required": ["meta", "frames"]
    }
  }
}