[
    {
        "name": "ModelRegionPermutationFlags",
        "type": "bitfield",
        "fields": [
            "cannot be chosen randomly"
        ],
        "width": 32
    },
    {
        "name": "ModelGeometryPartFlags",
        "type": "bitfield",
        "fields": [
            "stripped internal",
            "zoner"
        ],
        "width": 32
    },
    {
        "name": "ModelFlags",
        "type": "bitfield",
        "fields": [
            "blend shared normals",
            "parts have local nodes",
            "ignore skinning"
        ],
        "width": 32
    },
    {
        "name": "ModelMarkerInstance",
        "fields": [
            {
                "name": "region index",
                "type": "uint8"
            },
            {
                "name": "permutation index",
                "type": "uint8"
            },
            {
                "name": "node index",
                "type": "uint8"
            },
            {
                "type": "pad",
                "size": 1
            },
            {
                "name": "translation",
                "type": "Point3D"
            },
            {
                "name": "rotation",
                "type": "Quaternion",
                "normalize": true
            }
        ],
        "type": "struct",
        "read_only": true,
        "size": 32
    },
    {
        "name": "ModelMarker",
        "fields": [
            {
                "name": "name",
                "type": "String32"
            },
            {
                "name": "magic identifier",
                "type": "int16"
            },
            {
                "type": "pad",
                "size": 2
            },
            {
                "type": "pad",
                "size": 16
            },
            {
                "name": "instances",
                "type": "Reflexive",
                "struct": "ModelMarkerInstance",
                "maximum": {
                    "default": 32,
                    "extended": 32767
                }
            }
        ],
        "type": "struct",
        "read_only": true,
        "title": "name",
        "size": 64
    },
    {
        "name": "ModelNode",
        "fields": [
            {
                "name": "name",
                "type": "String32"
            },
            {
                "name": "next sibling node index",
                "type": "Index",
                "reflexive": "nodes",
                "struct": "Model"
            },
            {
                "name": "first child node index",
                "type": "Index",
                "reflexive": "nodes",
                "struct": "Model"
            },
            {
                "name": "parent node index",
                "type": "Index",
                "reflexive": "nodes",
                "struct": "Model"
            },
            {
                "type": "pad",
                "size": 2
            },
            {
                "name": "default translation",
                "type": "Point3D"
            },
            {
                "name": "default rotation",
                "normalize": true,
                "type": "Quaternion"
            },
            {
                "name": "node distance from parent",
                "type": "float"
            },
            {
                "type": "pad",
                "size": 32
            },
            {
                "name": "scale",
                "type": "float",
                "cache_only": true
            },
            {
                "name": "rotation",
                "type": "Matrix",
                "cache_only": true
            },
            {
                "name": "translation",
                "type": "Point3D",
                "cache_only": true
            }
        ],
        "type": "struct",
        "read_only": true,
        "title": "name",
        "size": 156
    },
    {
        "name": "ModelRegionPermutationMarker",
        "fields": [
            {
                "name": "name",
                "type": "String32"
            },
            {
                "name": "node index",
                "type": "Index",
                "reflexive": "nodes",
                "struct": "Model"
            },
            {
                "type": "pad",
                "size": 2
            },
            {
                "name": "rotation",
                "type": "Quaternion",
                "normalize": true
            },
            {
                "name": "translation",
                "type": "Point3D"
            },
            {
                "type": "pad",
                "size": 16
            }
        ],
        "type": "struct",
        "read_only": true,
        "title": "name",
        "size": 80
    },
    {
        "name": "ModelRegionPermutation",
        "fields": [
            {
                "name": "name",
                "type": "String32"
            },
            {
                "name": "flags",
                "read_only": false,
                "type": "ModelRegionPermutationFlags"
            },
            {
                "name": "permutation number",
                "type": "uint16",
                "cache_only": true
            },
            {
                "type": "pad",
                "size": 2
            },
            {
                "type": "pad",
                "size": 24
            },
            {
                "name": "super low",
                "type": "Index",
                "reflexive": "geometries",
                "struct": "Model"
            },
            {
                "name": "low",
                "type": "Index",
                "reflexive": "geometries",
                "struct": "Model"
            },
            {
                "name": "medium",
                "type": "Index",
                "reflexive": "geometries",
                "struct": "Model"
            },
            {
                "name": "high",
                "type": "Index",
                "reflexive": "geometries",
                "struct": "Model"
            },
            {
                "name": "super high",
                "type": "Index",
                "reflexive": "geometries",
                "struct": "Model"
            },
            {
                "type": "pad",
                "size": 2
            },
            {
                "name": "markers",
                "type": "Reflexive",
                "struct": "ModelRegionPermutationMarker",
                "compile_ignore": true,
                "maximum": {
                    "default": 64,
                    "extended": 32767
                }
            }
        ],
        "type": "struct",
        "read_only": true,
        "title": "name",
        "size": 88,
        "needs_preprocessed": true
    },
    {
        "name": "ModelRegion",
        "fields": [
            {
                "name": "name",
                "type": "String32"
            },
            {
                "type": "pad",
                "size": 32
            },
            {
                "name": "permutations",
                "type": "Reflexive",
                "struct": "ModelRegionPermutation",
                "maximum": {
                    "default": 32,
                    "extended": 255
                }
            }
        ],
        "type": "struct",
        "read_only": true,
        "title": "name",
        "size": 76
    },
    {
        "name": "ModelVertexUncompressed",
        "fields": [
            {
                "name": "position",
                "type": "Point3D"
            },
            {
                "name": "normal",
                "type": "Vector3D"
            },
            {
                "name": "binormal",
                "type": "Vector3D"
            },
            {
                "name": "tangent",
                "type": "Vector3D"
            },
            {
                "name": "texture coords",
                "type": "Point2D"
            },
            {
                "name": "node0 index",
                "type": "Index"
            },
            {
                "name": "node1 index",
                "type": "Index"
            },
            {
                "name": "node0 weight",
                "type": "float"
            },
            {
                "name": "node1 weight",
                "type": "float"
            }
        ],
        "type": "struct",
        "read_only": true,
        "size": 68
    },
    {
        "name": "ModelVertexCompressed",
        "fields": [
            {
                "name": "position",
                "type": "Point3D"
            },
            {
                "name": "normal",
                "type": "uint32"
            },
            {
                "name": "binormal",
                "type": "uint32"
            },
            {
                "name": "tangent",
                "type": "uint32"
            },
            {
                "name": "texture coordinate u",
                "type": "int16"
            },
            {
                "name": "texture coordinate v",
                "type": "int16"
            },
            {
                "name": "node0 index",
                "type": "int8"
            },
            {
                "name": "node1 index",
                "type": "int8"
            },
            {
                "name": "node0 weight",
                "type": "uint16"
            }
        ],
        "type": "struct",
        "read_only": true,
        "size": 32
    },
    {
        "name": "ModelTriangle",
        "fields": [
            {
                "name": "vertex0 index",
                "type": "Index"
            },
            {
                "name": "vertex1 index",
                "type": "Index"
            },
            {
                "name": "vertex2 index",
                "type": "Index"
            }
        ],
        "type": "struct",
        "read_only": true,
        "size": 6
    },
    {
        "name": "ModelGeometryPart",
        "fields": [
            {
                "name": "flags",
                "type": "ModelGeometryPartFlags",
                "exclude": [
                    {
                        "field": "zoner",
                        "struct": [
                            "ModelGeometryPart"
                        ]
                    }
                ]
            },
            {
                "name": "shader index",
                "type": "Index",
                "reflexive": "shaders",
                "struct": "Model"
            },
            {
                "name": "prev filthy part index",
                "type": "uint8",
                "comment": "Defaults to 255, but it's a hack how this is done",
                "description": "Specify rendering order",
                "read_only": false
            },
            {
                "name": "next filthy part index",
                "type": "uint8",
                "comment": "Defaults to 255, but it's a hack how this is done",
                "description": "Specify rendering order",
                "read_only": false
            },
            {
                "name": "centroid primary node",
                "type": "Index",
                "cache_only": true
            },
            {
                "name": "centroid secondary node",
                "type": "Index",
                "cache_only": true
            },
            {
                "name": "centroid primary weight",
                "type": "Fraction",
                "cache_only": true
            },
            {
                "name": "centroid secondary weight",
                "type": "Fraction",
                "cache_only": true
            },
            {
                "name": "centroid",
                "type": "Point3D"
            },
            {
                "name": "uncompressed vertices",
                "type": "Reflexive",
                "struct": "ModelVertexUncompressed",
                "non_cached": true,
                "maximum": 65535
            },
            {
                "name": "compressed vertices",
                "type": "Reflexive",
                "struct": "ModelVertexCompressed",
                "non_cached": true,
                "maximum": 65535
            },
            {
                "name": "triangles",
                "type": "Reflexive",
                "struct": "ModelTriangle",
                "non_cached": true,
                "maximum": 65535
            },
            {
                "name": "do not crash the game",
                "type": "uint32",
                "cache_only": true
            },
            {
                "name": "triangle count",
                "cache_only": true,
                "type": "uint32"
            },
            {
                "name": "triangle offset",
                "type": "uint32",
                "cache_only": true,
                "comment": "On Xbox: pointer to the triangle indices. On PC: offset to triangles relative to the end of the map's vertex data.",
                "drop_on_extract_hidden": true
            },
            {
                "name": "triangle offset 2",
                "type": "uint32",
                "cache_only": true,
                "comment": "On Xbox: pointer to the entry in the second parts list which points to the triangle indices. On PC: same value as the first triangle offset",
                "drop_on_extract_hidden": true
            },
            {
                "name": "vertex type",
                "type": "VertexType",
                "cache_only": true
            },
            {
                "type": "pad",
                "size": 2
            },
            {
                "name": "vertex count",
                "cache_only": true,
                "type": "uint32"
            },
            {
                "type": "pad",
                "size": 4
            },
            {
                "name": "vertex pointer",
                "type": "Pointer",
                "comment": "Appears to be a pointer to the uncompressed vertices",
                "cache_only": true
            },
            {
                "name": "vertex offset",
                "type": "uint32",
                "comment": "On Xbox: pointer to the entry in the second parts list which points to the triangle indices. On PC: offset to first vertex relative to the map's vertex data.",
                "drop_on_extract_hidden": true,
                "cache_only": true
            }
        ],
        "type": "struct",
        "unsafe_to_dedupe": true,
        "read_only": true,
        "size": 104,
        "needs_preprocessed": true,
        "needs_reprocessed_on_extraction": true
    },
    {
        "name": "ModelGeometry",
        "fields": [
            {
                "name": "flags",
                "type": "IsUnusedFlag"
            },
            {
                "type": "pad",
                "size": 32
            },
            {
                "name": "parts",
                "type": "Reflexive",
                "struct": "ModelGeometryPart",
                "maximum": {
                    "default": 32,
                    "extended": 32767
                }
            }
        ],
        "type": "struct",
        "read_only": true,
        "size": 48
    },
    {
        "name": "ModelShaderReference",
        "fields": [
            {
                "name": "shader",
                "type": "TagReference",
                "non_null": true,
                "groups": [
                    "shader"
                ]
            },
            {
                "name": "permutation",
                "type": "Index"
            },
            {
                "type": "pad",
                "size": 2
            },
            {
                "type": "pad",
                "size": 12
            }
        ],
        "type": "struct",
        "title": "shader",
        "size": 32
    },
    {
        "name": "Model",
        "groups": [
            {
                "name": "model",
                "first": "flags",
                "description": "These kinds of tags are compatible with the Xbox version of the game (but not Gearbox). When the cache file is compiled for Xbox, then the uncompressed vertices are discarded when copied into the map. Otherwise, the compressed vertices are discarded.\n\nFlags:\n- blend shared normals: On map compilation, vertices with the same positions have their normals linearly averaged.\n\nNote that compressed vertices can only address up to 42 nodes."
            }
        ],
        "fields": [
            {
                "name": "flags",
                "read_only": false,
                "type": "ModelFlags",
                "exclude": [
                    {
                        "field": "parts have local nodes",
                        "struct": [
                            "Model"
                        ]
                    },
                    {
                        "field": "ignore skinning",
                        "struct": [
                            "Model"
                        ]
                    }
                ]
            },
            {
                "name": "node list checksum",
                "type": "int32"
            },
            {
                "name": "super high detail cutoff",
                "unit": "pixels",
                "read_only": false,
                "type": "float"
            },
            {
                "name": "high detail cutoff",
                "unit": "pixels",
                "read_only": false,
                "type": "float"
            },
            {
                "name": "medium detail cutoff",
                "unit": "pixels",
                "read_only": false,
                "type": "float"
            },
            {
                "name": "low detail cutoff",
                "unit": "pixels",
                "read_only": false,
                "type": "float"
            },
            {
                "name": "super low detail cutoff",
                "unit": "pixels",
                "read_only": false,
                "type": "float"
            },
            {
                "name": "super low detail node count",
                "unit": "nodes",
                "type": "uint16",
                "cache_only": true
            },
            {
                "name": "low detail node count",
                "unit": "nodes",
                "type": "uint16",
                "cache_only": true
            },
            {
                "name": "medium detail node count",
                "unit": "nodes",
                "type": "uint16",
                "cache_only": true
            },
            {
                "name": "high detail node count",
                "unit": "nodes",
                "type": "uint16",
                "cache_only": true
            },
            {
                "name": "super high detail node count",
                "unit": "nodes",
                "type": "uint16",
                "cache_only": true
            },
            {
                "type": "pad",
                "size": 2
            },
            {
                "type": "pad",
                "size": 8
            },
            {
                "name": "base map u scale",
                "type": "float",
                "default": 1.0
            },
            {
                "name": "base map v scale",
                "type": "float",
                "default": 1.0
            },
            {
                "type": "pad",
                "size": 116
            },
            {
                "name": "markers",
                "type": "Reflexive",
                "struct": "ModelMarker",
                "hidden": true,
                "retcon_note": "This field was originally cache only and the maximum was 256, however we define it this way so we can detect erroneous tags generated by HEK+ and Refinery",
                "maximum": 0
            },
            {
                "name": "nodes",
                "type": "Reflexive",
                "struct": "ModelNode",
                "maximum": {
                    "default": 64,
                    "extended": 255
                }
            },
            {
                "name": "regions",
                "type": "Reflexive",
                "struct": "ModelRegion",
                "maximum": {
                    "default": 32,
                    "extended": 255
                }
            },
            {
                "name": "geometries",
                "type": "Reflexive",
                "struct": "ModelGeometry",
                "maximum": {
                    "default": 256,
                    "extended": 32767
                }
            },
            {
                "name": "shaders",
                "type": "Reflexive",
                "struct": "ModelShaderReference",
                "maximum": {
                    "default": 32,
                    "extended": 32767
                }
            }
        ],
        "type": "struct",
        "read_only": true,
        "size": 232,
        "group": "model",
        "needs_preprocessed": true,
        "needs_postprocessed": true,
        "needs_reprocessed_on_extraction": true
    }
]