LightMaterialOverride::LightMaterialOverride(const MObject& obj)
: MPxSurfaceShadingNodeOverride(obj)
{
	MHWRender::MRenderer* theRenderer = MHWRender::MRenderer::theRenderer();
	if (theRenderer)
	{
		MHWRender::MFragmentManager* fragmentMgr = theRenderer->getFragmentManager();
		if (fragmentMgr)
		{
			for (uint i = 0; i < MayaTo::getWorldPtr()->shaderSearchPath.length(); i++)
				fragmentMgr->addFragmentPath(MayaTo::getWorldPtr()->shaderSearchPath[i]);

			MString fragment = "CoronaLight";
			bool fragAdded = fragmentMgr->hasFragment(fragment);
			if (!fragAdded)
			{
				fragAdded = (fragment == fragmentMgr->addShadeFragmentFromFile(fragment + ".xml", false));
				if (fragAdded)
				{
					MGlobal::displayInfo(MString("Successfully loaded fragment ") + fragment + ".xml");
				}
				else{
					MGlobal::displayInfo(MString("Could not load fragment ") + fragment + ".xml");
				}
			}
		}
	}
}
Example #2
0
CheckerNodeOverride::CheckerNodeOverride(const MObject& obj)
: MPxShadingNodeOverride(obj)
, fFragmentName("")
{
	// Fragments are defined in separate XML files, add the checker node
	// directory to the search path and load from the files.
	static const MString sFragmentName("checkerNodePluginFragment");
	static const MString sFragmentOutputName("checkerNodePluginFragmentOutput");
	static const MString sFragmentGraphName("checkerNodePluginGraph");
	MHWRender::MRenderer* theRenderer = MHWRender::MRenderer::theRenderer();
	if (theRenderer)
	{
		MHWRender::MFragmentManager* fragmentMgr =
			theRenderer->getFragmentManager();
		if (fragmentMgr)
		{
			// Add search path (once only)
			static bool sAdded = false;
			if (!sAdded)
			{
				MString location;
				if( ! MGlobal::executeCommand(MString("getModulePath -moduleName \"devkit\""), location, false) ) {
					location = MString(getenv("MAYA_LOCATION")) + MString("/devkit");
				} 
				location += "/plug-ins/checkerShader";
				fragmentMgr->addFragmentPath(location);
				sAdded = true;
			}

			// Add fragments if needed
			bool fragAdded = fragmentMgr->hasFragment(sFragmentName);
			bool structAdded = fragmentMgr->hasFragment(sFragmentOutputName);
			bool graphAdded = fragmentMgr->hasFragment(sFragmentGraphName);
			if (!fragAdded)
			{
				fragAdded = (sFragmentName == fragmentMgr->addShadeFragmentFromFile(sFragmentName + ".xml", false));
			}
			if (!structAdded)
			{
				structAdded = (sFragmentOutputName == fragmentMgr->addShadeFragmentFromFile(sFragmentOutputName + ".xml", false));
			}
			if (!graphAdded)
			{
				graphAdded = (sFragmentGraphName == fragmentMgr->addFragmentGraphFromFile(sFragmentGraphName + ".xml"));
			}

			// If we have them all, use the final graph for the override
			if (fragAdded && structAdded && graphAdded)
			{
				fFragmentName = sFragmentGraphName;
			}
		}
	}
}