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game/client/tf/tf_hud_alert.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+#include "cbase.h"
+#include "hud.h"
+#include "hudelement.h"
+#include "c_tf_player.h"
+#include "iclientmode.h"
+#include "ienginevgui.h"
+#include <vgui/ILocalize.h>
+#include <vgui/ISurface.h>
+#include <vgui/IVGui.h>
+#include <vgui_controls/Label.h>
+#include <vgui_controls/EditablePanel.h>
+#include "tf_imagepanel.h"
+#include "tf_gamerules.h"
+#include "tf_hud_freezepanel.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+using namespace vgui;
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+class CHudAlert : public CHudElement, public EditablePanel
+{
+	DECLARE_CLASS_SIMPLE( CHudAlert, EditablePanel );
+
+public:
+	CHudAlert( const char *pElementName );
+
+	virtual void	Init( void );
+	virtual void	OnTick( void );
+	virtual void	LevelInit( void );
+	virtual void	ApplySchemeSettings( IScheme *scheme );
+	virtual bool	ShouldDraw( void );
+
+	virtual void	FireGameEvent( IGameEvent * event );
+	void			SetupAlertPanel( int iAlertType );
+
+private:
+	Label			*m_pAlertLabel;
+	float			m_flHideAt;
+};
+
+DECLARE_HUDELEMENT( CHudAlert );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CHudAlert::CHudAlert( const char *pElementName ) : CHudElement( pElementName ), BaseClass( NULL, "HudAlert" )
+{
+	Panel *pParent = g_pClientMode->GetViewport();
+	SetParent( pParent );
+
+	m_flHideAt = 0;
+	vgui::ivgui()->AddTickSignal( GetVPanel(), 200 );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudAlert::Init( void )
+{
+	ListenForGameEvent( "teamplay_alert" );
+
+	SetVisible( false );
+	CHudElement::Init();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudAlert::FireGameEvent( IGameEvent * event )
+{
+	const char *pEventName = event->GetName();
+	if ( Q_strcmp( "teamplay_alert", pEventName ) == 0 )
+	{
+		int iAlertType = event->GetInt( "alert_type" );
+
+		SetupAlertPanel( iAlertType );
+		SetVisible( true );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  :  - 
+//-----------------------------------------------------------------------------
+void CHudAlert::OnTick( void )
+{
+	if ( m_flHideAt && m_flHideAt < gpGlobals->curtime )
+	{
+		SetVisible( false );
+		m_flHideAt = 0;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudAlert::LevelInit( void )
+{
+	m_flHideAt = 0;
+	SetVisible( false );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+bool CHudAlert::ShouldDraw( void )
+{
+	if ( IsTakingAFreezecamScreenshot() )
+		return false;
+
+	if ( engine->IsPlayingDemo() )
+		return false;
+
+	return ( IsVisible() );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudAlert::ApplySchemeSettings( IScheme *pScheme )
+{
+	// load control settings...
+	LoadControlSettings( "resource/UI/HudAlert.res" );
+
+	BaseClass::ApplySchemeSettings( pScheme );
+
+	m_pAlertLabel = dynamic_cast<Label *>( FindChildByName("AlertLabel") );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudAlert::SetupAlertPanel( int iAlertType )
+{
+	C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();
+	if ( !pPlayer )
+		return;
+
+	if ( !m_pAlertLabel )
+		return;
+
+	// Alert case handling
+	const char *pszResult = NULL;
+
+	switch ( iAlertType )
+	{
+		case HUD_ALERT_SCRAMBLE_TEAMS:
+			pszResult = "#game_scramble_onrestart";
+			m_flHideAt = gpGlobals->curtime + 5.0;
+			break;
+		default:
+			m_flHideAt = gpGlobals->curtime + 10.0;
+			break;
+	}
+
+	if ( pszResult )
+	{
+		m_pAlertLabel->SetText( g_pVGuiLocalize->Find( pszResult ) );
+	}
+}