[
    {
        "name": "FogFlags",
        "type": "bitfield",
        "fields": [
            "is water",
            "atmosphere dominant",
            "fog screen only"
        ],
        "width": 32
    },
    {
        "name": "FogScreenFlags",
        "type": "bitfield",
        "fields": [
            "no environment multipass",
            "no model multipass",
            "no texture based falloff"
        ],
        "width": 16
    },
    {
        "name": "Fog",
        "fields": [
            {
                "name": "flags",
                "type": "FogFlags"
            },
            {
                "type": "pad",
                "size": 4
            },
            {
                "type": "pad",
                "size": 76
            },
            {
                "type": "pad",
                "size": 4
            },
            {
                "name": "maximum density",
                "minimum": 0.0,
                "maximum": 1.0,
                "type": "Fraction"
            },
            {
                "type": "pad",
                "size": 4
            },
            {
                "name": "opaque distance",
                "unit": "world units",
                "type": "float"
            },
            {
                "type": "pad",
                "size": 4
            },
            {
                "name": "opaque depth",
                "unit": "world units",
                "type": "float"
            },
            {
                "type": "pad",
                "size": 8
            },
            {
                "name": "distance to water plane",
                "unit": "world units",
                "type": "float"
            },
            {
                "name": "color",
                "type": "ColorRGB"
            },
            {
                "name": "flags 1",
                "type": "FogScreenFlags"
            },
            {
                "name": "layer count",
                "type": "int16"
            },
            {
                "name": "distance gradient",
                "bounds": true,
                "unit": "world units",
                "type": "float"
            },
            {
                "name": "density gradient",
                "bounds": true,
                "minimum": 0.0,
                "maximum": 1.0,
                "type": "Fraction"
            },
            {
                "name": "start distance from fog plane",
                "unit": "world units",
                "type": "float"
            },
            {
                "type": "pad",
                "size": 4
            },
            {
                "name": "screen layers color",
                "type": "ColorARGBInt"
            },
            {
                "name": "rotation multiplier",
                "minimum": 0.0,
                "maximum": 1.0,
                "type": "Fraction"
            },
            {
                "name": "strafing multiplier",
                "minimum": 0.0,
                "maximum": 1.0,
                "type": "Fraction"
            },
            {
                "name": "zoom multiplier",
                "minimum": 0.0,
                "maximum": 1.0,
                "type": "Fraction"
            },
            {
                "type": "pad",
                "size": 8
            },
            {
                "name": "map scale",
                "type": "float"
            },
            {
                "name": "map",
                "type": "TagReference",
                "groups": [
                    "bitmap"
                ]
            },
            {
                "name": "animation period",
                "unit": "seconds",
                "type": "float"
            },
            {
                "type": "pad",
                "size": 4
            },
            {
                "name": "wind velocity",
                "unit": "world units per second",
                "bounds": true,
                "type": "float"
            },
            {
                "name": "wind period",
                "unit": "seconds",
                "bounds": true,
                "default": [
                    1.0,
                    1.0
                ],
                "type": "float"
            },
            {
                "name": "wind acceleration weight",
                "minimum": 0.0,
                "maximum": 1.0,
                "type": "Fraction"
            },
            {
                "name": "wind perpendicular weight",
                "minimum": 0.0,
                "maximum": 1.0,
                "type": "Fraction"
            },
            {
                "type": "pad",
                "size": 8
            },
            {
                "name": "background sound",
                "type": "TagReference",
                "groups": [
                    "sound_looping"
                ]
            },
            {
                "name": "sound environment",
                "type": "TagReference",
                "groups": [
                    "sound_environment"
                ]
            },
            {
                "type": "pad",
                "size": 120
            }
        ],
        "type": "struct",
        "size": 396,
        "group": "fog"
    }
]