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game/client/tf2/hud_vehicle_role.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "hud_vehicle_role.h"
+#include "iclientmode.h"
+#include <vgui_controls/Controls.h>
+#include <vgui/ISurface.h>
+#include <KeyValues.h>
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+DECLARE_HUDELEMENT( CVehicleRoleHudElement );
+
+using namespace vgui;
+
+CVehicleRoleHudElement::CVehicleRoleHudElement( const char *pElementName ) : 
+	CHudElement( pElementName ), BaseClass( NULL, "VehicleRoleHudElement" )
+{
+	vgui::Panel *pParent = g_pClientMode->GetViewport();
+	SetParent( pParent );
+
+	m_iRole = -1;
+
+	SetHiddenBits( HIDEHUD_HEALTH | HIDEHUD_PLAYERDEAD );
+}
+
+void CVehicleRoleHudElement::ApplySchemeSettings( IScheme *scheme )
+{
+	BaseClass::ApplySchemeSettings( scheme );
+
+	m_hTextFont = scheme->GetFont( "Trebuchet24" );
+
+	SetPaintBackgroundEnabled( false );
+}
+
+
+void CVehicleRoleHudElement::ShowVehicleRole( int iRole )
+{
+	m_iRole = iRole;
+}
+
+
+void CVehicleRoleHudElement::Paint()
+{
+	if ( m_iRole == -1 )
+		return;
+
+	surface()->DrawSetTextFont( m_hTextFont );
+	surface()->DrawSetTextColor( GetFgColor() );
+
+	char str[512];
+	if ( m_iRole == VEHICLE_ROLE_DRIVER )
+	{
+		Q_strncpy( str, "Driver", sizeof( str ) );
+	}
+	else
+	{
+		Q_snprintf( str, sizeof( str ), "Passenger %d", m_iRole );
+	}
+
+	int pixels = UTIL_ComputeStringWidth( m_hTextFont, str );
+	int x = ( GetWide() - pixels ) / 2;
+
+	surface()->DrawSetTextPos( x, 0 );
+
+	char *p = str;
+	while ( *p )
+	{
+		surface()->DrawUnicodeChar( *p );
+		p++;
+	}
+}
+
+