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game/client/tf2/RespawnWaveVGuiScreen.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "c_vguiscreen.h"
+#include "clientmode_tfbase.h"
+#include <vgui/IVGui.h>
+#include <vgui_controls/Controls.h>
+#include <vgui_controls/Label.h>
+#include "c_info_act.h"
+
+
+//-----------------------------------------------------------------------------
+// Base class for all vgui screens on objects: 
+//-----------------------------------------------------------------------------
+class CRespawnWaveVGuiScreen : public CVGuiScreenPanel
+{
+	DECLARE_CLASS( CRespawnWaveVGuiScreen, CVGuiScreenPanel );
+
+public:
+	CRespawnWaveVGuiScreen( vgui::Panel *parent, const char *panelName );
+
+	virtual bool Init( KeyValues* pKeyValues, VGuiScreenInitData_t* pInitData );
+	virtual void OnTick();
+
+private:
+	vgui::Label *m_pTime1RemainingLabel;
+	vgui::Label *m_pTime2RemainingLabel;
+};
+
+
+//-----------------------------------------------------------------------------
+// Standard VGUI panel for objects 
+//-----------------------------------------------------------------------------
+DECLARE_VGUI_SCREEN_FACTORY( CRespawnWaveVGuiScreen, "respawn_wave_screen" );
+
+
+//-----------------------------------------------------------------------------
+// Constructor: 
+//-----------------------------------------------------------------------------
+CRespawnWaveVGuiScreen::CRespawnWaveVGuiScreen( vgui::Panel *parent, const char *panelName )
+	: BaseClass( parent, panelName, g_hVGuiObjectScheme ) 
+{
+}
+
+
+//-----------------------------------------------------------------------------
+// Initialization 
+//-----------------------------------------------------------------------------
+bool CRespawnWaveVGuiScreen::Init( KeyValues* pKeyValues, VGuiScreenInitData_t* pInitData )
+{
+	// Load all of the controls in
+	if (!BaseClass::Init(pKeyValues, pInitData))
+		return false;
+
+	// Make sure we get ticked...
+	vgui::ivgui()->AddTickSignal( GetVPanel() );
+
+	// Grab ahold of certain well-known controls
+	// NOTE: it is valid for these controls to not exist!
+	m_pTime1RemainingLabel = dynamic_cast<vgui::Label*>(FindChildByName( "RespawnTime1Remaining" ));
+	m_pTime2RemainingLabel = dynamic_cast<vgui::Label*>(FindChildByName( "RespawnTime2Remaining" ));
+	
+	return true;
+}
+
+
+//-----------------------------------------------------------------------------
+// Frame-based update
+//-----------------------------------------------------------------------------
+void CRespawnWaveVGuiScreen::OnTick()
+{
+	BaseClass::OnTick();
+
+	if (!GetEntity())
+		return;
+
+	int nTime1Remaining = 0;
+	int nTime2Remaining = 0;
+	if (g_hCurrentAct.Get())
+	{
+		nTime1Remaining = g_hCurrentAct->RespawnTimeRemaining( GetEntity()->GetTeamNumber(), 1 ); 
+		nTime2Remaining = g_hCurrentAct->RespawnTimeRemaining( GetEntity()->GetTeamNumber(), 2 ); 
+	}
+
+	char buf[32];
+	if (m_pTime1RemainingLabel)
+	{
+		Q_snprintf( buf, sizeof( buf ), "%d", nTime1Remaining );
+		m_pTime1RemainingLabel->SetText( buf );
+	}
+	if (m_pTime2RemainingLabel)
+	{
+		Q_snprintf( buf, sizeof( buf ), "%d", nTime2Remaining );
+		m_pTime2RemainingLabel->SetText( buf );
+	}
+}
+