fix bad default poseparams in CMDLPanel

Author: copperpixel

src/vgui2/matsys_controls/mdlpanel.cpp

@@ -566,7 +566,13 @@ void CMDLPanel::SetPoseParameters( const float *pPoseParameters, int nCount )
 	else if ( m_RootMDL.m_MDL.GetMDL() != MDLHANDLE_INVALID )
 	{
 		CStudioHdr &studioHdr = *m_RootMDL.m_pStudioHdr;
-		Studio_CalcDefaultPoseParameters( &studioHdr, m_PoseParameters, MAXSTUDIOPOSEPARAM );
+		int nParameters = studioHdr.GetNumPoseParameters();
+		for ( int iParam = 0; iParam < nParameters; ++iParam )
+		{
+			float ctlValue;
+			Studio_SetPoseParameter( &studioHdr, iParam, 0.f, ctlValue );
+			m_PoseParameters[ iParam ] = ctlValue;
+		}
 	}
 }