MStatus parseShader(MObject &src, SXRShaderData& d)
{
MStatus status;
MFnSet fnSet( src, &status );
if (status == MStatus::kFailure) {
status.perror("Unable to lookup shader from set of shaders for object");
return status;
}
MObject shaderNode = findShader(src,d);
if (shaderNode == MObject::kNullObj)
return (MStatus::kFailure);
MPlug colorPlug = MFnDependencyNode(shaderNode).findPlug("color", &status);
if (status == MStatus::kFailure)
return (status);
MItDependencyGraph dgIt(colorPlug, MFn::kFileTexture,
MItDependencyGraph::kUpstream,
MItDependencyGraph::kBreadthFirst,
MItDependencyGraph::kNodeLevel,
&status);
if (status == MStatus::kFailure)
return (status);
dgIt.disablePruningOnFilter();
// If no texture file node was found, just continue.
//
if (dgIt.isDone()) {
// cout << "no textures found for " << colorPlug.name() << "\n";
return (MStatus::kSuccess);
}
// Print out the texture node name and texture file that it references.
//
MObject textureNode = dgIt.thisNode();
MPlug filenamePlug = MFnDependencyNode(textureNode).findPlug("fileTextureName");
MString textureName;
filenamePlug.getValue(textureName);
MStringArray rgFolders;
if (strchr (textureName.asChar(), '\\'))
{
textureName.split ('\\', rgFolders);
} else {
textureName.split ('/', rgFolders);
}
d.tex_name = rgFolders[rgFolders.length() -1];
// cout << "Found texture file: '" << filename.asChar() << "'\n";
short index;
//double side flag
MPlug xrDoubleSidePlug= MFnDependencyNode(shaderNode).findPlug("xrayDoubleSide", &status);
if (status == MS::kSuccess)
{
MFnEnumAttribute enm = xrDoubleSidePlug.attribute();
if ((status == MS::kSuccess)&&(MS::kSuccess==xrDoubleSidePlug.getValue(index)))
d.double_side = index;
}
//engine
MPlug xrEnginePlug= MFnDependencyNode(shaderNode).findPlug("xrayEngineShader", &status);
if (status == MS::kSuccess)
{
MFnEnumAttribute enm = xrEnginePlug.attribute();
if ((status == MS::kSuccess)&&(MS::kSuccess==xrEnginePlug.getValue(index)))
d.eng_name = enm.fieldName(index);
}
//compiler
MPlug xrCompilerPlug = MFnDependencyNode(shaderNode).findPlug("xrayCompilerShader", &status);
if (status == MS::kSuccess)
{
MFnEnumAttribute enm = xrCompilerPlug.attribute();
if ((status == MS::kSuccess)&&(MS::kSuccess==xrCompilerPlug.getValue(index)))
d.comp_name = enm.fieldName(index);
}
//game material
MPlug xrGameMaterialPlug = MFnDependencyNode(shaderNode).findPlug("xrayGameMaterial", &status);
if (status == MS::kSuccess)
{
MFnEnumAttribute enm = xrGameMaterialPlug.attribute();
if ((status == MS::kSuccess)&&(MS::kSuccess==xrGameMaterialPlug.getValue(index)))
d.gmat_name = enm.fieldName(index);
}
return (MStatus::kSuccess);
}
