Fix (more) character model rendering artifacts when a freeze segment

lies on beat 0: m_pTempGeometry was not being set up

stepmania/src/Model.cpp

@@ -512,6 +512,7 @@ void Model::PlayAnimation( CString sAniName, float fPlayRate )
 	
 	/* Set up m_vpBones, just in case we're drawn without being Update()d. */
 	SetBones( m_pCurAnimation, m_fCurFrame, m_vpBones );
+	UpdateTempGeometry();
 }
 
 void Model::AdvanceFrame( float fDeltaTime )
@@ -539,6 +540,7 @@ void Model::AdvanceFrame( float fDeltaTime )
 	}
 
 	SetBones( m_pCurAnimation, m_fCurFrame, m_vpBones );
+	UpdateTempGeometry();
 }
 
 void Model::SetBones( const msAnimation* pAnimation, float fFrame, vector<myBone_t> &vpBones )
@@ -635,22 +637,11 @@ void Model::SetBones( const msAnimation* pAnimation, float fFrame, vector<myBone
 	}
 }
 
-void Model::Update( float fDelta )
+void Model::UpdateTempGeometry()
 {
-	Actor::Update( fDelta );
+	if( m_pGeometry == NULL || m_pTempGeometry == NULL )
-	AdvanceFrame( fDelta );
+		return;
 
-	for( unsigned i = 0; i < m_Materials.size(); ++i )
-	{
-		m_Materials[i].diffuse.Update( fDelta );
-		m_Materials[i].alpha.Update( fDelta );
-	}
-
-	//
-	// process per-vertex bones
-	//
-	if( m_pGeometry && m_pTempGeometry )
-	{
 	for( unsigned i = 0; i < m_pGeometry->m_Meshes.size(); ++i )
 	{
 		const msMesh &origMesh = m_pGeometry->m_Meshes[i];
@@ -681,6 +672,17 @@ void Model::Update( float fDelta )
 	// send the new vertices to the graphics card
 	m_pTempGeometry->Change( m_vTempMeshes );
 }
+
+void Model::Update( float fDelta )
+{
+	Actor::Update( fDelta );
+	AdvanceFrame( fDelta );
+
+	for( unsigned i = 0; i < m_Materials.size(); ++i )
+	{
+		m_Materials[i].diffuse.Update( fDelta );
+		m_Materials[i].alpha.Update( fDelta );
+	}
 }
 
 int Model::GetNumStates() const

stepmania/src/Model.h

@@ -58,6 +58,7 @@ private:
 	// If any vertex has a bone weight, then then render from m_pTempGeometry.  
 	// Otherwise, render directly from m_pGeometry.
 	RageCompiledGeometry* m_pTempGeometry;
+	void UpdateTempGeometry();
 	
 	/* Keep a copy of the mesh data only if m_pTempGeometry is in use.  The normal and
 	 * position data will be changed; the rest is static and kept only to prevent making