//-----------------------------------------------------------------------------
// Purpose: returns true if the weapon selection hud should be hidden because
//          the CHudMenu is open
//-----------------------------------------------------------------------------
bool CBaseHudWeaponSelection::IsHudMenuPreventingWeaponSelection()
{
	// Don't allow weapon selection if we're frozen in place
	C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();
	if ( pPlayer->GetFlags() & FL_FROZEN || pPlayer->IsPlayerDead() )
		return true;

	return IsHudMenuTakingInput();
}
//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CBaseHudWeaponSelection::OnThink( void )
{
	// Don't allow weapon selection if we're frozen in place
	C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();
	if ( pPlayer->GetFlags() & FL_FROZEN || pPlayer->IsPlayerDead() )
	{
		if ( IsInSelectionMode() )
		{
			CancelWeaponSelection();
		}
	}
}
void CVoiceStatus::DrawHeadLabels()
{
	if ( m_bHeadLabelsDisabled )
		return;

	if( !m_pHeadLabelMaterial )
		return;

	CMatRenderContextPtr pRenderContext( materials );

	for(int i=0; i < VOICE_MAX_PLAYERS; i++)
	{
		if ( !m_VoicePlayers[i] )
			continue;
		
		IClientNetworkable *pClient = cl_entitylist->GetClientEntity( i+1 );
		
		// Don't show an icon if the player is not in our PVS.
		if ( !pClient || pClient->IsDormant() )
			continue;

		C_BasePlayer *pPlayer = dynamic_cast<C_BasePlayer*>(pClient);
		if( !pPlayer )
			continue;

		// Don't show an icon for dead or spectating players (ie: invisible entities).
		if( pPlayer->IsPlayerDead() )
			continue;

		// Place it 20 units above his head.
		Vector vOrigin = pPlayer->WorldSpaceCenter();
		vOrigin.z += g_flHeadOffset;

		
		// Align it so it never points up or down.
		Vector vUp( 0, 0, 1 );
		Vector vRight = CurrentViewRight();
		if ( fabs( vRight.z ) > 0.95 )	// don't draw it edge-on
			continue;

		vRight.z = 0;
		VectorNormalize( vRight );


		float flSize = g_flHeadIconSize;

		pRenderContext->Bind( pPlayer->GetHeadLabelMaterial() );
		IMesh *pMesh = pRenderContext->GetDynamicMesh();
		CMeshBuilder meshBuilder;
		meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );

		meshBuilder.Color3f( 1.0, 1.0, 1.0 );
		meshBuilder.TexCoord2f( 0,0,0 );
		meshBuilder.Position3fv( (vOrigin + (vRight * -flSize) + (vUp * flSize)).Base() );
		meshBuilder.AdvanceVertex();

		meshBuilder.Color3f( 1.0, 1.0, 1.0 );
		meshBuilder.TexCoord2f( 0,1,0 );
		meshBuilder.Position3fv( (vOrigin + (vRight * flSize) + (vUp * flSize)).Base() );
		meshBuilder.AdvanceVertex();

		meshBuilder.Color3f( 1.0, 1.0, 1.0 );
		meshBuilder.TexCoord2f( 0,1,1 );
		meshBuilder.Position3fv( (vOrigin + (vRight * flSize) + (vUp * -flSize)).Base() );
		meshBuilder.AdvanceVertex();

		meshBuilder.Color3f( 1.0, 1.0, 1.0 );
		meshBuilder.TexCoord2f( 0,0,1 );
		meshBuilder.Position3fv( (vOrigin + (vRight * -flSize) + (vUp * -flSize)).Base() );
		meshBuilder.AdvanceVertex();
		meshBuilder.End();
		pMesh->Draw();
	}
}