Add method for calculating relative path

Author: andrewkww

Asset.C

@@ -608,6 +608,19 @@ Asset::findObjectById(int id)
     return myObjects[id];
 }
 
+MString
+Asset::getRelativePath(HAPI_NodeId id)
+{
+    HAPI_StringHandle relativePathHandle;
+    CHECK_HAPI(HAPI_GetNodePath(
+            Util::theHAPISession.get(),
+            id,
+            myNodeInfo.id,
+            &relativePathHandle
+            ));
+    return Util::HAPIString(relativePathHandle);
+}
+
 void
 Asset::resetSimulation()
 {

Asset.h

@@ -33,6 +33,7 @@ class Asset {
         OutputObject* findObjectById(int id);
         HAPI_AssetInfo getAssetInfo() { return myAssetInfo; }
         HAPI_NodeInfo getNodeInfo() { return myNodeInfo; }
+        MString getRelativePath(HAPI_NodeId id);
 
         void resetSimulation();