{
  "$schema": "http://json-schema.org/draft-07/schema",
  "$id": "blockception.minecraft.resource.fog",
  "examples": [],
  "type": "object",
  "additionalProperties": false,
  "title": "Fog",
  "description": "UNDOCUMENTED.",
  "$comment": "UNDOCUMENTED",
  "definitions": {
    "colorHexOrArray": {
      "examples": ["#056bd1"],
      "oneOf": [
        {
          "type": "array",
          "items": [
            { "type": "number", "minimum": 0, "maximum": 1, "title": "Red" },
            { "type": "number", "minimum": 0, "maximum": 1, "title": "Green" },
            { "type": "number", "minimum": 0, "maximum": 1, "title": "Blue" }
          ]
        },
        { "type": "string", "format": "color-hex", "pattern": "^\\#[0-9a-fA-F]{6}$" }
      ]
    },
    "defaultFogSettings": {
      "type": "object",
      "additionalProperties": false,
      "required": ["fog_start", "fog_end", "fog_color", "render_distance_type"],
      "examples": [{ "fog_start": 100, "fog_end": 200, "fog_color": "#056bd1", "render_distance_type": "render" }],
      "properties": {
        "fog_start": {
          "title": "Fog Start",
          "description": "The distance from the player that the fog will begin to appear. 'fog_start' must be less than or equal to 'fog_end'.",
          "type": "number",
          "minimum": 0
        },
        "fog_end": {
          "title": "Fog End",
          "description": "The distance from the player that the fog will become fully opaque. 'fog_end' must be greater than or equal to 'fog_start'.",
          "type": "number",
          "minimum": 0
        },
        "fog_color": {
          "title": "Fog Color",
          "description": "The color that the fog will take on.",
          "type": "string",
          "format": "color-hex",
          "examples": ["#FFFFFF"]
        },
        "render_distance_type": {
          "title": "Render Distance Type",
          "description": "Determines how distance value is used. Fixed distance is measured in blocks. Dynamic distance is multiplied by the current render distance.",
          "type": "string",
          "enum": ["fixed", "render"]
        },
        "transition_fog": {
          "title": "Transition Fog",
          "description": "Additional fog data which will slowly transition to the distance fog of current biome.",
          "type": "object",
          "default": false,
          "required": ["init_fog","min_percent", "mid_seconds", "mid_percent", "max_seconds"],
          "properties": {
            "init_fog": {
              "title": "Initial Fog",
              "description": "Initial fog that will slowly transition into water distance fog of the biome when player goes into water.",
              "required": ["fog_color", "fog_start", "fog_end", "render_distance_type"],
              "type": "object",
              "properties": {
                "fog_color": {
                  "title": "Fog Color",
                  "description": "The color that the fog will take on.",
                  "type": "string",
                  "format": "color-hex",
                  "examples": ["#FFFFFF"]
                },
                "fog_start": {
                  "title": "Fog Start",
                  "description": "The distance from the player that the fog will begin to appear. 'fog_start' must be less than or equal to 'fog_end'.",
                  "type": "number",
                  "minimum": 0
                },
                "fog_end": {
                  "title": "Fog End",
                  "description": "The distance from the player that the fog will become fully opaque. 'fog_end' must be greater than or equal to 'fog_start'.",
                  "type": "number",
                  "minimum": 0
                },
                "render_distance_type": {
                  "title": "Render Distance Type",
                  "description": "Determines how distance value is used. Fixed distance is measured in blocks. Dynamic distance is multiplied by the current render distance.",
                  "enum": ["fixed", "render"]
                }
              }
            },
            "min_percent": {
              "title": "Minimum Percent",
              "description": "The minimum progress of fog transition.",
              "type": "number",
              "minimum": 0,
              "maximum": 1
            },
            "mid_seconds": {
              "title": "Midpoint Seconds",
              "description": "The time takes to reach certain progress('mid_percent') of fog transition.",
              "type": "number",
              "minimum": 0
            },
            "mid_percent": {
              "title": "Midpoint Percent",
              "description": "The progress of fog transition after 'mid_seconds' seconds.",
              "type": "number",
              "minimum": 0,
              "maximum": 1
            },
            "max_seconds": {
              "title": "Maximum Seconds",
              "description": "Total amount of time takes to complete fog transition.",
              "type": "number",
              "minimum": 0
            }
          }
        }
      }
    },
    "volumeDensityObject": {
      "type": "object",
      "additionalProperties": false,
      "required": ["max_density"],
      "examples": [{ "max_density": 0.25 }, { "max_density": 0.25, "max_density_height": 128, "zero_density_height": 20, "uniform": true }],
      "properties": {
        "max_density": {
          "title": "Maximum Density",
          "description": "The maximum amount of opaqueness that the ground fog will take on. A value from [0.0, 1.0].",
          "minimum": 0,
          "maximum": 1,
          "type": "number"
        },
        "max_density_height": {
          "title": "Maximum Density Height",
          "description": "The height in blocks that the ground fog will become it's maximum density.",
          "minimum": 0,
          "maximum": 128,
          "type": "number"
        },
        "zero_density_height": {
          "title": "Zero Density Height",
          "description": "The height in blocks that the ground fog will be completely transparent and begin to appear. This value needs to be at least 1 higher than `max_density_height`.",
          "minimum": 0,
          "maximum": 128,
          "type": "number"
        },
        "uniform": { "title": "Uniform", "description": "When set to true, the density will be uniform across all heights.", "type": "boolean" }
      }
    },
    "volumeMediaObject": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "absorption": {
          "title": "Absorption",
          "description": "Proportion of light that is absorbed (lost) per block.",
          "$ref": "#/definitions/colorHexOrArray"
        },
        "scattering": {
          "title": "Scattering",
          "description": "Proportion of light that is scattered per block.",
          "$ref": "#/definitions/colorHexOrArray"
        }
      }
    }
  },
  "properties": {
    "format_version": { "$ref": "../../general/format_version.json" },
    "minecraft:fog_settings": {
      "title": "Fog Settings",
      "description": "The definition of a single fog.",
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "description": {
          "title": "Description",
          "description": "The identifying description of this fog settings.",
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "identifier": {
              "type": "string",
              "title": "Identifier",
              "description": "The identifier for these fog settings. The identifier must include a namespace.",
              "$ref": "../../general/fog/identifier.json"
            }
          }
        },
        "distance": {
          "title": "Distance",
          "description": "The distance fog settings for different camera locations.",
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "air": { "title": "Air", "description": "The fog settings when the camera is in the air.", "$ref": "#/definitions/defaultFogSettings" },
            "weather": {
              "title": "Weather",
              "description": " The fog settings for when the camera is in the air with active weather (rain, snow, etc..).",
              "$ref": "#/definitions/defaultFogSettings"
            },
            "water": { "title": "Water", "description": "The fog settings when the camera is in water.", "$ref": "#/definitions/defaultFogSettings" },
            "lava": { "title": "Lava", "description": "The fog settings when the camera is in lava.", "$ref": "#/definitions/defaultFogSettings" },
            "lava_resistance": {
              "title": "Lava Resistance",
              "description": "The fog settings when the camera is in lava and the player has the lava resistance effect active.",
              "$ref": "#/definitions/defaultFogSettings"
            },
            "powder_snow": {
              "title": "Powder Snow",
              "description": "The fog settings when the camera is inside a Powder Snow block.",
              "$ref": "#/definitions/defaultFogSettings"
            }
          }
        },
        "volumetric": {
          "title": "Volumetric",
          "description": "The volumetric fog settings.",
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "density": {
              "title": "Density",
              "description": "The density settings for different camera locations.",
              "type": "object",
              "additionalProperties": false,
              "properties": {
                "air": {
                  "title": "Air",
                  "description": "Fog density values as light passes through air blocks.",
                  "$ref": "#/definitions/volumeDensityObject"
                },
                "water": {
                  "title": "Water",
                  "description": "Fog density values as light passes through water blocks.",
                  "$ref": "#/definitions/volumeDensityObject"
                },
                "lava": {
                  "title": "Lava",
                  "description": "Fog density values as light passes through lava blocks.",
                  "$ref": "#/definitions/volumeDensityObject"
                },
                "lava_resistance": {
                  "title": "Lava Resistance",
                  "description": "Fog density values as light passes through lava blocks while the player has lava resistance.",
                  "$ref": "#/definitions/volumeDensityObject"
                }
              }
            },
            "media_coefficients": {
              "title": "Media Coefficients",
              "description": "The coefficient settings for the volumetric fog in different blocks.",
              "additionalProperties": false,
              "type": "object",
              "properties": {
                "air": {
                  "title": "Air",
                  "description": "Fog coefficient values while light passes through air.",
                  "$ref": "#/definitions/volumeMediaObject"
                },
                "water": {
                  "title": "Water",
                  "description": "Fog coefficient values while light passes through water.",
                  "$ref": "#/definitions/volumeMediaObject"
                },
                "cloud": {
                  "title": "Cloud",
                  "description": "Fog coefficient values while light passes through clouds.",
                  "$ref": "#/definitions/volumeMediaObject"
                }
              }
            },
            "henyey_greenstein_g": {
              "title": "Henyey Greenstein G",
              "description": "UNDOCUMENTED",
              "type": "object", 
              "additionalProperties": false,
              "properties": {
                "air": {
                  "title": "Air",
                  "description": "UNDOCUMENTED",
                  "type": "object", 
                  "additionalProperties": false,
                  "properties": {
                    "henyey_greenstein_g": {
                      "title": "Henyey Greenstein G",
                      "description": "UNDOCUMENTED",
                      "type": "number"
                    }
                  }
                },
                "water": {
                  "title": "Water",
                  "description": "UNDOCUMENTED",
                  "type": "object", 
                  "additionalProperties": false,
                  "properties": {
                    "henyey_greenstein_g": {
                      "title": "Henyey Greenstein G",
                      "description": "UNDOCUMENTED",
                      "type": "number"
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}