Add support for component controlled matrix transforms, i.e transform(0)(0) etc.

code/ColladaLoader.cpp

@@ -985,6 +985,47 @@ void ColladaLoader::CreateAnimation( aiScene* pScene, const ColladaParser& pPars
 				entry.mTransformId = srcChannel.mTarget.substr( slashPos+1);
 			}
 
+			std::string::size_type bracketPos = srcChannel.mTarget.find('(');
+			if (bracketPos != std::string::npos)
+			{
+				entry.mTransformId = srcChannel.mTarget.substr(slashPos + 1, bracketPos - slashPos - 1);
+				std::string subElement = srcChannel.mTarget.substr(bracketPos);
+			
+				if (subElement == "(0)(0)")
+					entry.mSubElement = 0; 
+				else if (subElement == "(1)(0)")
+					entry.mSubElement = 1;
+				else if (subElement == "(2)(0)")
+					entry.mSubElement = 2;
+				else if (subElement == "(3)(0)")
+					entry.mSubElement = 3;
+				else if (subElement == "(0)(1)")
+					entry.mSubElement = 4;
+				else if (subElement == "(1)(1)")
+					entry.mSubElement = 5;
+				else if (subElement == "(2)(1)")
+					entry.mSubElement = 6;
+				else if (subElement == "(3)(1)")
+					entry.mSubElement = 7;
+				else if (subElement == "(0)(2)")
+					entry.mSubElement = 8;
+				else if (subElement == "(1)(2)")
+					entry.mSubElement = 9;
+				else if (subElement == "(2)(2)")
+					entry.mSubElement = 10;
+				else if (subElement == "(3)(2)")
+					entry.mSubElement = 11;
+				else if (subElement == "(0)(3)")
+					entry.mSubElement = 12;
+				else if (subElement == "(1)(3)")
+					entry.mSubElement = 13;
+				else if (subElement == "(2)(3)")
+					entry.mSubElement = 14;
+				else if (subElement == "(3)(3)")
+					entry.mSubElement = 15;
+
+			}
+
 			// determine which transform step is affected by this channel
 			entry.mTransformIndex = SIZE_MAX;
 			for( size_t a = 0; a < srcNode->mTransforms.size(); ++a)