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game/server/hl2/info_teleporter_countdown.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+//-----------------------------------------------------------------------------
+// Amount of time before breen teleports away
+//-----------------------------------------------------------------------------
+class CInfoTeleporterCountdown : public CPointEntity
+{
+	DECLARE_CLASS( CInfoTeleporterCountdown, CPointEntity );
+	DECLARE_SERVERCLASS();
+ 	DECLARE_DATADESC();
+
+public:
+	virtual int UpdateTransmitState();
+
+private:
+	void InputDisable(inputdata_t &inputdata);
+	void InputEnable(inputdata_t &inputdata);
+	void InputStartCountdown(inputdata_t &inputdata);
+	void InputStopCountdown(inputdata_t &inputdata);
+
+	CNetworkVar( bool, m_bCountdownStarted );
+	CNetworkVar( bool, m_bDisabled );
+	CNetworkVar( float, m_flStartTime );
+	CNetworkVar( float, m_flTimeRemaining );
+};
+
+
+//-----------------------------------------------------------------------------
+// Save/load
+//-----------------------------------------------------------------------------
+BEGIN_DATADESC( CInfoTeleporterCountdown )
+
+	DEFINE_FIELD( m_bCountdownStarted,	FIELD_BOOLEAN ),
+	DEFINE_FIELD( m_bDisabled,			FIELD_BOOLEAN ),
+	DEFINE_FIELD( m_flStartTime,		FIELD_TIME ),
+	DEFINE_FIELD( m_flTimeRemaining,	FIELD_FLOAT ),
+
+	// Outputs
+	DEFINE_INPUTFUNC( FIELD_VOID, "Enable", InputEnable ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "Disable", InputDisable ),
+	DEFINE_INPUTFUNC( FIELD_FLOAT, "StartCountdown", InputStartCountdown ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "StopCountdown", InputStopCountdown ),
+
+END_DATADESC()
+
+
+LINK_ENTITY_TO_CLASS( info_teleporter_countdown, CInfoTeleporterCountdown );
+
+
+//-----------------------------------------------------------------------------
+// Networking
+//-----------------------------------------------------------------------------
+IMPLEMENT_SERVERCLASS_ST( CInfoTeleporterCountdown, DT_InfoTeleporterCountdown )
+	SendPropInt( SENDINFO( m_bCountdownStarted ), 1, SPROP_UNSIGNED ),
+	SendPropInt( SENDINFO( m_bDisabled ), 1, SPROP_UNSIGNED ),
+	SendPropTime( SENDINFO( m_flStartTime ) ),
+	SendPropFloat( SENDINFO( m_flTimeRemaining ), 0, SPROP_NOSCALE ),	
+END_SEND_TABLE()
+
+
+//-----------------------------------------------------------------------------
+// Starts/stops countdown
+//-----------------------------------------------------------------------------
+void CInfoTeleporterCountdown::InputStartCountdown(inputdata_t &inputdata)
+{
+	if (!m_bCountdownStarted)
+	{
+		m_bCountdownStarted = true;
+		m_bDisabled = false;
+		m_flStartTime = gpGlobals->curtime;
+		m_flTimeRemaining = inputdata.value.Float();
+	}
+}
+
+void CInfoTeleporterCountdown::InputStopCountdown(inputdata_t &inputdata)
+{
+	m_bCountdownStarted = false;
+}
+
+
+//-----------------------------------------------------------------------------
+// Disables/reenables an active countdown
+//-----------------------------------------------------------------------------
+void CInfoTeleporterCountdown::InputDisable(inputdata_t &inputdata)
+{
+	if ( !m_bDisabled )
+	{
+		m_bDisabled = true;
+		if ( m_bCountdownStarted )
+		{
+			m_flTimeRemaining -= gpGlobals->curtime - m_flStartTime;
+		}
+	}
+}
+
+void CInfoTeleporterCountdown::InputEnable(inputdata_t &inputdata)
+{
+	if ( m_bDisabled )
+	{
+		m_bDisabled = false;
+		if ( m_bCountdownStarted )
+		{
+			m_flStartTime = gpGlobals->curtime;
+		}
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Always send the teleporter countdown
+//-----------------------------------------------------------------------------
+int CInfoTeleporterCountdown::UpdateTransmitState()
+{
+	return SetTransmitState( FL_EDICT_ALWAYS );
+}