source-mdl/src/import/studio.js

This package can read source engines MDL files. To parse a model, it needs the VTX, VVD and MDL file.

const StudioStruct = require("structron");

/**
 * Structures based on /src/public/studio.h
 */

const MAX_NUM_LODS = 8;
const MAX_NUM_BONES_PER_VERT = 3;

const Vector = new StudioStruct()
  .addMember(StudioStruct.TYPES.FLOAT, "x")
  .addMember(StudioStruct.TYPES.FLOAT, "y")
  .addMember(StudioStruct.TYPES.FLOAT, "z");

const Vector2 = new StudioStruct()
  .addMember(StudioStruct.TYPES.FLOAT, "x")
  .addMember(StudioStruct.TYPES.FLOAT, "y");

const Quaternion = new StudioStruct()
  .addMember(StudioStruct.TYPES.FLOAT, "x")
  .addMember(StudioStruct.TYPES.FLOAT, "y")
  .addMember(StudioStruct.TYPES.FLOAT, "z")
  .addMember(StudioStruct.TYPES.FLOAT, "w");

const matrix3x4_t = new StudioStruct()
  .addMember(Vector, "col0")
  .addMember(Vector, "col1")
  .addMember(Vector, "col2")
  .addMember(Vector, "col3")

const mstudiotexture_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "name_offset")
  .addMember(StudioStruct.TYPES.INT, "flags")
  .addMember(StudioStruct.TYPES.INT, "used")
  .addMember(StudioStruct.TYPES.INT, "unused")
  .addMember(StudioStruct.TYPES.INT, "material")
  .addMember(StudioStruct.TYPES.INT, "client_material")
  .addMember(StudioStruct.TYPES.SKIP(40), "unused2")
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "name", "name_offset", true);

const mstudioboneweight_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.FLOAT, "weight0")
  .addMember(StudioStruct.TYPES.FLOAT, "weight1")
  .addMember(StudioStruct.TYPES.FLOAT, "weight2")
  .addMember(StudioStruct.TYPES.BYTE, "BONE0")
  .addMember(StudioStruct.TYPES.BYTE, "BONE1")
  .addMember(StudioStruct.TYPES.BYTE, "BONE2")
  .addMember(StudioStruct.TYPES.BYTE, "numbones")

const mstudiovertex_t = new StudioStruct()
  .addMember(mstudioboneweight_t, "m_BoneWeights")
  .addMember(Vector, "m_vecPosition")
  .addMember(Vector, "m_vecNormal")
  .addMember(Vector2, "m_vecTexCoord")

const mstudio_meshvertexdata_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "modelvertexdata")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes0")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes1")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes2")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes3")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes4")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes5")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes6")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes7");

const mstudiomesh_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "material")
  .addMember(StudioStruct.TYPES.INT, "modelindex")
  .addMember(StudioStruct.TYPES.INT, "numvertices")
  .addMember(StudioStruct.TYPES.INT, "vertexoffset")
  .addMember(StudioStruct.TYPES.INT, "numflexes")
  .addMember(StudioStruct.TYPES.INT, "flexindex")
  .addMember(StudioStruct.TYPES.INT, "materialtype")
  .addMember(StudioStruct.TYPES.INT, "materialparam")
  .addMember(StudioStruct.TYPES.INT, "meshid")
  .addMember(Vector, "center")
  .addMember(mstudio_meshvertexdata_t, "vertexdata")
  .addMember(StudioStruct.TYPES.SKIP(32), "unused");

// Index of string array
const stringIndex = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "name_offset")
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "name", "name_offset");

const mstudio_modelvertexdata_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "pVertexData")
  .addMember(StudioStruct.TYPES.INT, "pTangentData");

const mstudiomodel_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.STRING(64), "name")
  .addMember(StudioStruct.TYPES.INT, "type")
  .addMember(StudioStruct.TYPES.FLOAT, "boundingradius")
  .addMember(StudioStruct.TYPES.INT, "nummeshes")
  .addMember(StudioStruct.TYPES.INT, "meshindex")
  .addMember(StudioStruct.TYPES.INT, "numvertices")
  .addMember(StudioStruct.TYPES.INT, "vertexindex")
  .addMember(StudioStruct.TYPES.INT, "tangentindex")
  .addMember(StudioStruct.TYPES.INT, "numattachments")
  .addMember(StudioStruct.TYPES.INT, "attachmentindex")
  .addMember(StudioStruct.TYPES.INT, "numeyeballs")
  .addMember(StudioStruct.TYPES.INT, "eyeballindex")
  .addMember(mstudio_modelvertexdata_t, "vertexdata")
  .addMember(StudioStruct.TYPES.SKIP(32), "unused")
  .addArray(mstudiomesh_t, "meshes", "meshindex", "nummeshes", true)

const mstudiobodyparts_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "name_offset")
  .addMember(StudioStruct.TYPES.INT, "model_number")
  .addMember(StudioStruct.TYPES.INT, "base")
  .addMember(StudioStruct.TYPES.INT, "model_index")
  .addArray(mstudiomodel_t, "models", "model_index", "model_number", true)
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "name", "name_offset", true)

const mstudiobone_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "sznameindex")
  .addMember(StudioStruct.TYPES.INT, "parent")
  .addMember(StudioStruct.TYPES.INT, "bonecontroller0")
  .addMember(StudioStruct.TYPES.INT, "bonecontroller1")
  .addMember(StudioStruct.TYPES.INT, "bonecontroller2")
  .addMember(StudioStruct.TYPES.INT, "bonecontroller3")
  .addMember(StudioStruct.TYPES.INT, "bonecontroller4")
  .addMember(StudioStruct.TYPES.INT, "bonecontroller5")
  .addMember(Vector, "pos")
  .addMember(Quaternion, "quat")
  .addMember(Vector, "rot")
  .addMember(Vector, "posscale")
  .addMember(Vector, "rotscale")
  .addMember(matrix3x4_t, "poseToBone")
  .addMember(Quaternion, "qAlignment")
  .addMember(StudioStruct.TYPES.INT, "flags")
  .addMember(StudioStruct.TYPES.INT, "proctype")
  .addMember(StudioStruct.TYPES.INT, "procindex")
  .addMember(StudioStruct.TYPES.INT, "physicsbone")
  .addMember(StudioStruct.TYPES.INT, "surfacepropidx")
  .addMember(StudioStruct.TYPES.INT, "contents")
  .addMember(StudioStruct.TYPES.SKIP(32), "unused")
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "name", "sznameindex", true)
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "surfaceprop", "surfacepropidx", true);

const mstudiobbox_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "bone")
  .addMember(StudioStruct.TYPES.INT, "group")
  .addMember(Vector, "bbmin")
  .addMember(Vector, "bbmax")
  .addMember(StudioStruct.TYPES.INT, "szhitboxnameindex")
  .addMember(StudioStruct.TYPES.SKIP(32), "unused")
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "name", "szhitboxnameindex", true);

const mstudiohitboxset_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "sznameindex")
  .addMember(StudioStruct.TYPES.INT, "numhitboxes")
  .addMember(StudioStruct.TYPES.INT, "hitboxindex")
  .addArray(mstudiobbox_t, "hitboxes", "hitboxindex", "numhitboxes", true)
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "name", "sznameindex", true);

const mstudiobonecontroller_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "bone")
  .addMember(StudioStruct.TYPES.INT, "type")
  .addMember(StudioStruct.TYPES.FLOAT, "start")
  .addMember(StudioStruct.TYPES.FLOAT, "end")
  .addMember(StudioStruct.TYPES.INT, "rest")
  .addMember(StudioStruct.TYPES.INT, "inputfield")
  .addMember(StudioStruct.TYPES.SKIP(32), "unused");

const mstudiomovement_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "endframe")
  .addMember(StudioStruct.TYPES.INT, "motionflags")
  .addMember(StudioStruct.TYPES.FLOAT, "v0")
  .addMember(StudioStruct.TYPES.FLOAT, "v1")
  .addMember(StudioStruct.TYPES.FLOAT, "angle")
  .addMember(Vector, "vector")
  .addMember(Vector, "position")

const mstudioikrule_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "index")
  .addMember(StudioStruct.TYPES.INT, "type")
  .addMember(StudioStruct.TYPES.INT, "chain")
  .addMember(StudioStruct.TYPES.INT, "bone")
  .addMember(StudioStruct.TYPES.INT, "slot")
  .addMember(StudioStruct.TYPES.FLOAT, "height")
  .addMember(StudioStruct.TYPES.FLOAT, "radius")
  .addMember(StudioStruct.TYPES.FLOAT, "floor")
  .addMember(Vector, "pos")
  .addMember(Quaternion, "q")
  .addMember(StudioStruct.TYPES.INT, "compressedikerrorindex")
  .addMember(StudioStruct.TYPES.INT, "unused2")
  .addMember(StudioStruct.TYPES.INT, "iStart")
  .addMember(StudioStruct.TYPES.INT, "ikerrorindex")
  .addMember(StudioStruct.TYPES.FLOAT, "start")
  .addMember(StudioStruct.TYPES.FLOAT, "peak")
  .addMember(StudioStruct.TYPES.FLOAT, "tail")
  .addMember(StudioStruct.TYPES.FLOAT, "end")
  .addMember(StudioStruct.TYPES.FLOAT, "unused3")
  .addMember(StudioStruct.TYPES.FLOAT, "contact")
  .addMember(StudioStruct.TYPES.FLOAT, "drop")
  .addMember(StudioStruct.TYPES.FLOAT, "top")
  .addMember(StudioStruct.TYPES.INT, "unused6")
  .addMember(StudioStruct.TYPES.INT, "unused7")
  .addMember(StudioStruct.TYPES.INT, "unused8")
  .addMember(StudioStruct.TYPES.INT, "szattachmentindex")
  .addMember(StudioStruct.TYPES.SKIP(7*4), "unused")
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "worldAttachment", "szattachmentindex");

const mstudiolocalhierarchy_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "iBone")
  .addMember(StudioStruct.TYPES.INT, "iNewParent")
  .addMember(StudioStruct.TYPES.FLOAT, "start")
  .addMember(StudioStruct.TYPES.FLOAT, "peak")
  .addMember(StudioStruct.TYPES.FLOAT, "tail")
  .addMember(StudioStruct.TYPES.FLOAT, "end")
  .addMember(StudioStruct.TYPES.INT, "iStart")
  .addMember(StudioStruct.TYPES.INT, "localanimindex")
  .addMember(StudioStruct.TYPES.SKIP(32));

const mstudioanimsections_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "animblock")
  .addMember(StudioStruct.TYPES.INT, "animindex");

const mstudioanimdesc_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "baseptr")
  .addMember(StudioStruct.TYPES.INT, "sznameindex")
  .addMember(StudioStruct.TYPES.FLOAT, "fps")
  .addMember(StudioStruct.TYPES.INT, "flags")
  .addMember(StudioStruct.TYPES.INT, "numframes")
  .addMember(StudioStruct.TYPES.INT, "nummovements")
  .addMember(StudioStruct.TYPES.INT, "movementindex")
  .addMember(StudioStruct.TYPES.SKIP(24), "unused")
  .addMember(StudioStruct.TYPES.INT, "animblock")
  .addMember(StudioStruct.TYPES.INT, "animindex")
  .addMember(StudioStruct.TYPES.INT, "numikrules")
  .addMember(StudioStruct.TYPES.INT, "ikruleindex")
  .addMember(StudioStruct.TYPES.INT, "animblockikruleindex")
  .addMember(StudioStruct.TYPES.INT, "numlocalhierarchy")
  .addMember(StudioStruct.TYPES.INT, "localhierarchyindex")
  .addMember(StudioStruct.TYPES.INT, "sectionindex")
  .addMember(StudioStruct.TYPES.INT, "sectionframes")
  .addMember(StudioStruct.TYPES.SHORT, "zeroframespan")
  .addMember(StudioStruct.TYPES.SHORT, "zeroframecount")
  .addMember(StudioStruct.TYPES.INT, "zeroframeindex")
  .addMember(StudioStruct.TYPES.FLOAT, "zeroframestalltime")
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "name", "sznameindex", true)
  .addArray(mstudiomovement_t, "movements", "movementindex", "nummovements", true) // Don't know if this is relative (Did not find a model to test with)
  .addArray(mstudioikrule_t, "ikrules", "ikruleindex", "numikrules", true) // Same. Don't know if index is offset
  .addArray(mstudiolocalhierarchy_t, "localhierarchy", "localhierarchyindex", "numlocalhierarchy", true) // Relative !?
  .addArray(mstudioanimsections_t, "sections", "sectionindex", "sectionframes", true);

const mstudioevent_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.FLOAT, "cycle")
  .addMember(StudioStruct.TYPES.INT, "event")
  .addMember(StudioStruct.TYPES.INT, "type")
  .addMember(StudioStruct.TYPES.SKIP(64), "options")
  .addMember(StudioStruct.TYPES.INT, "szeventindex")
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "event", "szeventindex", true)
  .addArray(StudioStruct.TYPES.BYTE, "options", 12, 64, true);

const mstudioautolayer_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.SHORT, "iSequence")
  .addMember(StudioStruct.TYPES.SHORT, "iPose")
  .addMember(StudioStruct.TYPES.INT, "flags")
  .addMember(StudioStruct.TYPES.FLOAT, "start")
  .addMember(StudioStruct.TYPES.FLOAT, "peak")
  .addMember(StudioStruct.TYPES.FLOAT, "tail")
  .addMember(StudioStruct.TYPES.FLOAT, "end")

const mstudioiklock_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "chain")
  .addMember(StudioStruct.TYPES.FLOAT, "flPosWeight")
  .addMember(StudioStruct.TYPES.FLOAT, "flLocalQWeight")
  .addMember(StudioStruct.TYPES.INT, "flags")
  .addMember(StudioStruct.TYPES.SKIP(32), "unused")

const mstudioseqdesc_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "baseptr")
  .addMember(StudioStruct.TYPES.INT, "szlabelindex")
  .addMember(StudioStruct.TYPES.INT, "szactivitynameindex")
  .addMember(StudioStruct.TYPES.INT, "flags")
  .addMember(StudioStruct.TYPES.INT, "activity")
  .addMember(StudioStruct.TYPES.INT, "actweight")
  .addMember(StudioStruct.TYPES.INT, "numevents")
  .addMember(StudioStruct.TYPES.INT, "eventindex")
  .addMember(Vector, "bbmin")
  .addMember(Vector, "bbmax")
  .addMember(StudioStruct.TYPES.INT, "numblends")
  .addMember(StudioStruct.TYPES.INT, "animindexindex")
  .addMember(StudioStruct.TYPES.INT, "movementindex")
  .addMember(StudioStruct.TYPES.INT, "groupsize0")
  .addMember(StudioStruct.TYPES.INT, "groupsize1")
  .addMember(StudioStruct.TYPES.INT, "paramindex0")
  .addMember(StudioStruct.TYPES.INT, "paramindex1")
  .addMember(StudioStruct.TYPES.FLOAT, "paramstart0")
  .addMember(StudioStruct.TYPES.FLOAT, "paramstart1")
  .addMember(StudioStruct.TYPES.FLOAT, "paramend0")
  .addMember(StudioStruct.TYPES.FLOAT, "paramend1")
  .addMember(StudioStruct.TYPES.INT, "paramparent")
  .addMember(StudioStruct.TYPES.FLOAT, "fadeintime")
  .addMember(StudioStruct.TYPES.FLOAT, "fadeouttime")
  .addMember(StudioStruct.TYPES.INT, "localentrynode")
  .addMember(StudioStruct.TYPES.INT, "localexitnode")
  .addMember(StudioStruct.TYPES.INT, "nodeflags")
  .addMember(StudioStruct.TYPES.FLOAT, "entryphase")
  .addMember(StudioStruct.TYPES.FLOAT, "exitphase")
  .addMember(StudioStruct.TYPES.FLOAT, "lastframe")
  .addMember(StudioStruct.TYPES.INT, "nextseq")
  .addMember(StudioStruct.TYPES.INT, "pose")
  .addMember(StudioStruct.TYPES.INT, "numikrules")
  .addMember(StudioStruct.TYPES.INT, "numautolayers")
  .addMember(StudioStruct.TYPES.INT, "autolayerindex")
  .addMember(StudioStruct.TYPES.INT, "weightlistindex")
  .addMember(StudioStruct.TYPES.INT, "posekeyindex")
  .addMember(StudioStruct.TYPES.INT, "numiklocks")
  .addMember(StudioStruct.TYPES.INT, "iklockindex")
  .addMember(StudioStruct.TYPES.INT, "keyvalueindex")
  .addMember(StudioStruct.TYPES.INT, "keyvaluesize")
  .addMember(StudioStruct.TYPES.INT, "cycleposeindex")
  .addMember(StudioStruct.TYPES.SKIP(4*7), "unused")
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "label", "szlabelindex", true)
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "activityname", "szactivitynameindex", true)
  .addArray(mstudioevent_t, "events", "eventindex", "numevents", true)
  .addArray(mstudioautolayer_t, "autolayer", "autolayerindex", "numautolayers", true)
  .addArray(mstudioiklock_t, "iklockindex", "numiklocks");
  /**
   * @todo Allow functions in array parameters
   */
  //.addArray(StudioStruct.TYPES.SHORT, "anims", "animindex", data => data.groupsize[0] * data.groupsize[1])

const mstudioattachment_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "sznameindex")
  .addMember(StudioStruct.TYPES.UINT, "flags")
  .addMember(StudioStruct.TYPES.INT, "localbone")
  .addMember(matrix3x4_t, "local")
  .addMember(StudioStruct.TYPES.SKIP(32), "unused")
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "name", "sznameindex", true);

const mstudiomodelgroup_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "szlabelindex")
  .addMember(StudioStruct.TYPES.INT, "sznameindex")
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "label", "szlabelindex", true)
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "name", "sznameindex", true);

const mstudioposeparamdesc_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "sznameindex")
  .addMember(StudioStruct.TYPES.UINT, "flags")
  .addMember(StudioStruct.TYPES.FLOAT, "start")
  .addMember(StudioStruct.TYPES.FLOAT, "end")
  .addMember(StudioStruct.TYPES.FLOAT, "loop")
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "name", "sznameindex", true);

const studiohdr_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "id")
  .addMember(StudioStruct.TYPES.INT, "version")
  .addMember(StudioStruct.TYPES.INT, "checksum")
  .addMember(StudioStruct.TYPES.STRING(64), "name")
  .addMember(StudioStruct.TYPES.INT, "dataLength")
  .addMember(Vector, "eyeposition")
  .addMember(Vector, "illumposition")
  .addMember(Vector, "hull_min")
  .addMember(Vector, "hull_max")
  .addMember(Vector, "view_bbmin")
  .addMember(Vector, "view_bbmax")
  .addMember(StudioStruct.TYPES.INT, "flags")
  .addMember(StudioStruct.TYPES.INT, "bone_count")
  .addMember(StudioStruct.TYPES.INT, "bone_index")
  .addMember(StudioStruct.TYPES.INT, "bonecontroller_count")
  .addMember(StudioStruct.TYPES.INT, "bonecontroller_offset")
  .addMember(StudioStruct.TYPES.INT, "hitbox_count")
  .addMember(StudioStruct.TYPES.INT, "hitbox_offset")
  .addMember(StudioStruct.TYPES.INT, "localanim_count")
  .addMember(StudioStruct.TYPES.INT, "localanim_offset")
  .addMember(StudioStruct.TYPES.INT, "localseq_count")
  .addMember(StudioStruct.TYPES.INT, "localseq_offset")
  .addMember(StudioStruct.TYPES.INT, "activitylistversion")
  .addMember(StudioStruct.TYPES.INT, "eventsindexed")
  .addMember(StudioStruct.TYPES.INT, "texture_count")
  .addMember(StudioStruct.TYPES.INT, "texture_offset")
  .addMember(StudioStruct.TYPES.INT, "texturedir_count")
  .addMember(StudioStruct.TYPES.INT, "texturedir_offset")
  .addMember(StudioStruct.TYPES.INT, "skinreference_count")
  .addMember(StudioStruct.TYPES.INT, "skinfamily_count")
  .addMember(StudioStruct.TYPES.INT, "skinreference_index")
  .addMember(StudioStruct.TYPES.INT, "bodypart_count")
  .addMember(StudioStruct.TYPES.INT, "bodypart_offset")
  .addMember(StudioStruct.TYPES.INT, "attachment_count")
  .addMember(StudioStruct.TYPES.INT, "attachment_offset")
  .addMember(StudioStruct.TYPES.INT, "localnode_count")
  .addMember(StudioStruct.TYPES.INT, "localnode_index")
  .addMember(StudioStruct.TYPES.INT, "localnode_name_index")
  .addMember(StudioStruct.TYPES.INT, "flexdesc_count")
  .addMember(StudioStruct.TYPES.INT, "flexdesc_index")
  .addMember(StudioStruct.TYPES.INT, "flexcontroller_count")
  .addMember(StudioStruct.TYPES.INT, "flexcontroller_index")
  .addMember(StudioStruct.TYPES.INT, "flexrules_count")
  .addMember(StudioStruct.TYPES.INT, "flexrules_index")
  .addMember(StudioStruct.TYPES.INT, "ikchain_count")
  .addMember(StudioStruct.TYPES.INT, "ikchain_index")
  .addMember(StudioStruct.TYPES.INT, "mouths_count")
  .addMember(StudioStruct.TYPES.INT, "mouths_index")
  .addMember(StudioStruct.TYPES.INT, "localposeparam_count")
  .addMember(StudioStruct.TYPES.INT, "localposeparam_offset")
  .addMember(StudioStruct.TYPES.INT, "surfaceprop_index")
  .addMember(StudioStruct.TYPES.INT, "keyvalue_index")
  .addMember(StudioStruct.TYPES.INT, "keyvalue_count")
  .addMember(StudioStruct.TYPES.INT, "ikblock_count")
  .addMember(StudioStruct.TYPES.INT, "ikblock_index")
  .addMember(StudioStruct.TYPES.FLOAT, "mass")
  .addMember(StudioStruct.TYPES.INT, "contents")
  .addMember(StudioStruct.TYPES.INT, "includemodel_count")
  .addMember(StudioStruct.TYPES.INT, "includemodel_index")
  .addMember(StudioStruct.TYPES.INT, "virtualModel")
  .addMember(StudioStruct.TYPES.INT, "animblocks_name_index")
  .addMember(StudioStruct.TYPES.INT, "animblocks_count")
  .addMember(StudioStruct.TYPES.INT, "animblocks_index")
  .addMember(StudioStruct.TYPES.INT, "animblockModel")
  .addMember(StudioStruct.TYPES.INT, "bonetable_index")
  .addMember(StudioStruct.TYPES.INT, "vertex_base")
  .addMember(StudioStruct.TYPES.INT, "offset_base")
  .addMember(StudioStruct.TYPES.BYTE, "directionaldotproduct")
  .addMember(StudioStruct.TYPES.BYTE, "rootLod")
  .addMember(StudioStruct.TYPES.BYTE, "numAllowedRootLods")
  .addMember(StudioStruct.TYPES.SKIP(5), "unused")
  .addMember(StudioStruct.TYPES.INT, "flexcontrollerui_count")
  .addMember(StudioStruct.TYPES.INT, "flexcontrollerui_index")
  .addMember(StudioStruct.TYPES.INT, "studiohdr2index")
  .addMember(StudioStruct.TYPES.INT, "unused")
  .addArray(mstudiotexture_t, "textures", "texture_offset", "texture_count")
  .addArray(stringIndex, "texturedirs", "texturedir_offset", "texturedir_count")
  .addArray(mstudiobodyparts_t, "bodyparts", "bodypart_offset", "bodypart_count")
  .addArray(mstudiobone_t, "bones", "bone_index", "bone_count")
  //.addArray(mstudiohitboxset_t, "hitboxes", "hitbox_offset", "hitbox_count") // Crashed on some files
  .addArray(mstudiobonecontroller_t, "bonecontroller", "bonecontroller_offset", "bonecontroller_count")
  .addArray(mstudioanimdesc_t, "localanims", "localanim_offset", "localanim_count")
  .addArray(mstudioseqdesc_t, "sequences", "localseq_offset", "localseq_count")
  .addArray(mstudioattachment_t, "attachments", "attachment_offset", "attachment_count")
  .addArray(mstudioiklock_t, "iklocks", "iklock_index", "iklock_count")
  .addArray(mstudiomodelgroup_t, "includemodel_index", "animblocks_count")
  .addArray(StudioStruct.TYPES.SHORT, "skinreferences", "skinreference_index", "skinreference_count")
  .addArray(mstudioposeparamdesc_t, "localposeparams", "localposeparam_offset", "localposeparam_count")
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "surfaceProp", "surfaceprop_index")
  .addReference(StudioStruct.TYPES.NULL_TERMINATED_STRING(), "keyvalue", "keyvalue_index");

const vertexFileFixup_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "lod")
  .addMember(StudioStruct.TYPES.INT, "sourceVertexId")
  .addMember(StudioStruct.TYPES.INT, "numVertexes");

const vertexFileHeader_t = new StudioStruct()
  .addMember(StudioStruct.TYPES.INT, "id")
  .addMember(StudioStruct.TYPES.INT, "version")
  .addMember(StudioStruct.TYPES.INT, "checksum")
  .addMember(StudioStruct.TYPES.INT, "numLODs")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes0")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes1")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes2")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes3")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes4")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes5")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes6")
  .addMember(StudioStruct.TYPES.INT, "numLODVertexes7")
  .addMember(StudioStruct.TYPES.INT, "numFixups")
  .addMember(StudioStruct.TYPES.INT, "fixupTableStart")
  .addMember(StudioStruct.TYPES.INT, "vertexDataStart")
  .addMember(StudioStruct.TYPES.INT, "tangentDataStart")
  .addArray(vertexFileFixup_t, "fixups", "fixupTableStart", "numFixups");

module.exports = {
  studiohdr_t,
  vertexFileHeader_t,
  mstudiovertex_t
}