bool MA_ReadVec3(idParser& parser, idVec3& vec) {
idToken token;
if(!parser.SkipUntilString("double3")) {
throw idException( va("Maya Loader '%s': Invalid Vec3", parser.GetFileName()) );
}
//We need to flip y and z because of the maya coordinate system
vec.x = parser.ParseFloat();
vec.z = parser.ParseFloat();
vec.y = parser.ParseFloat();
return true;
}
bool MA_ParseConnectAttr(idParser& parser) {
idStr temp;
idStr srcName;
idStr srcType;
idStr destName;
idStr destType;
idToken token;
parser.ReadToken(&token);
temp = token;
int dot = temp.Find(".");
if(dot == -1) {
throw idException(va("Maya Loader '%s': Invalid Connect Attribute.", parser.GetFileName()));
}
srcName = temp.Left(dot);
srcType = temp.Right(temp.Length()-dot-1);
parser.ReadToken(&token);
temp = token;
dot = temp.Find(".");
if(dot == -1) {
throw idException(va("Maya Loader '%s': Invalid Connect Attribute.", parser.GetFileName()));
}
destName = temp.Left(dot);
destType = temp.Right(temp.Length()-dot-1);
if(srcType.Find("oc") != -1) {
//Is this attribute a material node attribute
maMaterialNode_t** matNode;
maGlobal.model->materialNodes.Get(srcName, &matNode);
if(matNode) {
maMaterialNode_t** destNode;
maGlobal.model->materialNodes.Get(destName, &destNode);
if(destNode) {
(*destNode)->child = *matNode;
}
}
//Is this attribute a file node
maFileNode_t** fileNode;
maGlobal.model->fileNodes.Get(srcName, &fileNode);
if(fileNode) {
maMaterialNode_t** destNode;
maGlobal.model->materialNodes.Get(destName, &destNode);
if(destNode) {
(*destNode)->file = *fileNode;
}
}
}
if(srcType.Find("iog") != -1) {
//Is this an attribute for one of our meshes
for(int i = 0; i < maGlobal.model->objects.Num(); i++) {
if(!strcmp(maGlobal.model->objects[i]->name, srcName)) {
//maGlobal.model->objects[i]->materialRef = MA_AddMaterial(destName);
strcpy(maGlobal.model->objects[i]->materialName, destName);
break;
}
}
}
return true;
}
void MA_ParseMesh(idParser& parser) {
maObject_t *object;
object = (maObject_t *)Mem_Alloc( sizeof( maObject_t ) );
memset( object, 0, sizeof( maObject_t ) );
maGlobal.model->objects.Append( object );
maGlobal.currentObject = object;
object->materialRef = -1;
//Get the header info from the mesh
maNodeHeader_t header;
MA_ParseNodeHeader(parser, &header);
//Find my parent
if(header.parent[0] != 0) {
//Find the parent
maTransform_t** parent;
maGlobal.model->transforms.Get(header.parent, &parent);
if(parent) {
maGlobal.currentObject->mesh.transform = *parent;
}
}
strcpy(object->name, header.name);
//Read the transform attributes
idToken token;
while(parser.ReadToken(&token)) {
if(IsNodeComplete(token)) {
parser.UnreadToken(&token);
break;
}
if(!token.Icmp("setAttr")) {
maAttribHeader_t header;
MA_ParseAttribHeader(parser, &header);
if(strstr(header.name, ".vt")) {
MA_ParseVertex(parser, &header);
} else if (strstr(header.name, ".ed")) {
MA_ParseEdge(parser, &header);
} else if (strstr(header.name, ".pt")) {
MA_ParseVertexTransforms(parser, &header);
} else if (strstr(header.name, ".n")) {
MA_ParseNormal(parser, &header);
} else if (strstr(header.name, ".fc")) {
MA_ParseFace(parser, &header);
} else if (strstr(header.name, ".clr")) {
MA_ParseColor(parser, &header);
} else if (strstr(header.name, ".uvst")) {
MA_ParseTVert(parser, &header);
} else {
parser.SkipRestOfLine();
}
}
}
maMesh_t* pMesh = &maGlobal.currentObject->mesh;
//Get the verts from the edge
for(int i = 0; i < pMesh->numFaces; i++) {
for(int j = 0; j < 3; j++) {
int edge = pMesh->faces[i].edge[j];
if(edge < 0) {
edge = idMath::Fabs(edge)-1;
pMesh->faces[i].vertexNum[j] = pMesh->edges[edge].y;
} else {
pMesh->faces[i].vertexNum[j] = pMesh->edges[edge].x;
}
}
}
//Get the normals
if(pMesh->normalsParsed) {
for(int i = 0; i < pMesh->numFaces; i++) {
for(int j = 0; j < 3; j++) {
//Is this vertex shared
int sharedFace = -1;
int sharedVert = -1;
if(MA_QuickIsVertShared(i, j)) {
MA_GetSharedFace(i, j, sharedFace, sharedVert);
}
if(sharedFace != -1) {
//Get the normal from the share
pMesh->faces[i].vertexNormals[j] = pMesh->faces[sharedFace].vertexNormals[sharedVert];
} else {
//The vertex is not shared so get the next normal
if(pMesh->nextNormal >= pMesh->numNormals) {
//We are using more normals than exist
throw idException(va("Maya Loader '%s': Invalid Normals Index.", parser.GetFileName()));
}
pMesh->faces[i].vertexNormals[j] = pMesh->normals[pMesh->nextNormal];
pMesh->nextNormal++;
}
}
}
}
//Now that the normals are good...lets reorder the verts to make the tris face the right way
for(int i = 0; i < pMesh->numFaces; i++) {
int tmp = pMesh->faces[i].vertexNum[1];
pMesh->faces[i].vertexNum[1] = pMesh->faces[i].vertexNum[2];
pMesh->faces[i].vertexNum[2] = tmp;
idVec3 tmpVec = pMesh->faces[i].vertexNormals[1];
pMesh->faces[i].vertexNormals[1] = pMesh->faces[i].vertexNormals[2];
pMesh->faces[i].vertexNormals[2] = tmpVec;
tmp = pMesh->faces[i].tVertexNum[1];
pMesh->faces[i].tVertexNum[1] = pMesh->faces[i].tVertexNum[2];
pMesh->faces[i].tVertexNum[2] = tmp;
tmp = pMesh->faces[i].vertexColors[1];
pMesh->faces[i].vertexColors[1] = pMesh->faces[i].vertexColors[2];
pMesh->faces[i].vertexColors[2] = tmp;
}
//Now apply the pt transformations
for(int i = 0; i < pMesh->numVertTransforms; i++) {
pMesh->vertexes[(int)pMesh->vertTransforms[i].w] += pMesh->vertTransforms[i].ToVec3();
}
MA_VERBOSE((va("MESH %s - parent %s\n", header.name, header.parent)));
MA_VERBOSE((va("\tverts:%d\n",maGlobal.currentObject->mesh.numVertexes)));
MA_VERBOSE((va("\tfaces:%d\n",maGlobal.currentObject->mesh.numFaces)));
}
bool MA_ParseFace(idParser& parser, maAttribHeader_t* header) {
maMesh_t* pMesh = &maGlobal.currentObject->mesh;
idToken token;
//Allocate enough space for all the verts if this is the first attribute for verticies
if(!pMesh->faces) {
pMesh->numFaces = header->size;
pMesh->faces = (maFace_t *)Mem_Alloc( sizeof( maFace_t ) * pMesh->numFaces );
}
//Get the start and end index for this attribute
int minIndex, maxIndex;
if(!MA_ParseHeaderIndex(header, minIndex, maxIndex, "FaceHeader", NULL)) {
//This was just a header
return true;
}
//Read the face data
int currentFace = minIndex-1;
while(parser.ReadToken(&token)) {
if(IsNodeComplete(token)) {
parser.UnreadToken(&token);
break;
}
if(!token.Icmp("f")) {
int count = parser.ParseInt();
if(count != 3) {
throw idException(va("Maya Loader '%s': Face is not a triangle.", parser.GetFileName()));
}
//Increment the face number because a new face always starts with an "f" token
currentFace++;
//We cannot reorder edges until later because the normal processing
//assumes the edges are in the original order
pMesh->faces[currentFace].edge[0] = parser.ParseInt();
pMesh->faces[currentFace].edge[1] = parser.ParseInt();
pMesh->faces[currentFace].edge[2] = parser.ParseInt();
//Some more init stuff
pMesh->faces[currentFace].vertexColors[0] = pMesh->faces[currentFace].vertexColors[1] = pMesh->faces[currentFace].vertexColors[2] = -1;
} else if(!token.Icmp("mu")) {
/* int uvstIndex = */ parser.ParseInt();
int count = parser.ParseInt();
if(count != 3) {
throw idException(va("Maya Loader '%s': Invalid texture coordinates.", parser.GetFileName()));
}
pMesh->faces[currentFace].tVertexNum[0] = parser.ParseInt();
pMesh->faces[currentFace].tVertexNum[1] = parser.ParseInt();
pMesh->faces[currentFace].tVertexNum[2] = parser.ParseInt();
} else if(!token.Icmp("mf")) {
int count = parser.ParseInt();
if(count != 3) {
throw idException(va("Maya Loader '%s': Invalid texture coordinates.", parser.GetFileName()));
}
pMesh->faces[currentFace].tVertexNum[0] = parser.ParseInt();
pMesh->faces[currentFace].tVertexNum[1] = parser.ParseInt();
pMesh->faces[currentFace].tVertexNum[2] = parser.ParseInt();
} else if(!token.Icmp("fc")) {
int count = parser.ParseInt();
if(count != 3) {
throw idException(va("Maya Loader '%s': Invalid vertex color.", parser.GetFileName()));
}
pMesh->faces[currentFace].vertexColors[0] = parser.ParseInt();
pMesh->faces[currentFace].vertexColors[1] = parser.ParseInt();
pMesh->faces[currentFace].vertexColors[2] = parser.ParseInt();
}
}
return true;
}
/*
====================
idModelExport::ParseExportSection
====================
*/
int idModelExport::ParseExportSection( idParser &parser ) {
idToken command;
idToken token;
idStr defaultCommands;
idLexer lex;
idStr temp;
idStr parms;
int count;
// only export sections that match our export mask
if( g_exportMask.GetString()[ 0 ] ) {
if( parser.CheckTokenString( "{" ) ) {
parser.SkipBracedSection( false );
return 0;
}
parser.ReadToken( &token );
if( token.Icmp( g_exportMask.GetString() ) ) {
parser.SkipBracedSection();
return 0;
}
parser.ExpectTokenString( "{" );
} else if( !parser.CheckTokenString( "{" ) ) {
// skip the export mask
parser.ReadToken( &token );
parser.ExpectTokenString( "{" );
}
count = 0;
lex.SetFlags( LEXFL_NOSTRINGCONCAT | LEXFL_ALLOWPATHNAMES | LEXFL_ALLOWMULTICHARLITERALS | LEXFL_ALLOWBACKSLASHSTRINGCONCAT );
while( 1 ) {
if( !parser.ReadToken( &command ) ) {
parser.Error( "Unexpoected end-of-file" );
break;
}
if( command == "}" ) {
break;
}
if( command == "options" ) {
parser.ParseRestOfLine( defaultCommands );
} else if( command == "addoptions" ) {
parser.ParseRestOfLine( temp );
defaultCommands += " ";
defaultCommands += temp;
} else if( ( command == "mesh" ) || ( command == "anim" ) || ( command == "camera" ) ) {
if( !parser.ReadToken( &token ) ) {
parser.Error( "Expected filename" );
}
temp = token;
parser.ParseRestOfLine( parms );
if( defaultCommands.Length() ) {
sprintf( temp, "%s %s", temp.c_str(), defaultCommands.c_str() );
}
if( parms.Length() ) {
sprintf( temp, "%s %s", temp.c_str(), parms.c_str() );
}
lex.LoadMemory( temp, temp.Length(), parser.GetFileName() );
Reset();
if( ParseOptions( lex ) ) {
const char *game = cvarSystem->GetCVarString( "fs_game" );
if( strlen( game ) == 0 ) {
game = BASE_GAMEDIR;
}
if( command == "mesh" ) {
dest.SetFileExtension( MD5_MESH_EXT );
} else if( command == "anim" ) {
dest.SetFileExtension( MD5_ANIM_EXT );
} else if( command == "camera" ) {
dest.SetFileExtension( MD5_CAMERA_EXT );
} else {
dest.SetFileExtension( command );
}
idStr back = commandLine;
sprintf( commandLine, "%s %s -dest %s -game %s%s", command.c_str(), src.c_str(), dest.c_str(), game, commandLine.c_str() );
if( ConvertMayaToMD5() ) {
count++;
} else {
parser.Warning( "Failed to export '%s' : %s", src.c_str(), Maya_Error.c_str() );
}
}
lex.FreeSource();
} else {
parser.Error( "Unknown token: %s", command.c_str() );
parser.SkipBracedSection( false );
break;
}
}
return count;
}
