From 39ed87570bdb2f86969d4be821c94b722dc71179 Mon Sep 17 00:00:00 2001
From: Joe Ludwig <joe@valvesoftware.com>
Date: Wed, 26 Jun 2013 15:22:04 -0700
Subject: First version of the SOurce SDK 2013

---
 mp/src/game/server/hl2/Func_Monitor.cpp | 109 ++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 mp/src/game/server/hl2/Func_Monitor.cpp

(limited to 'mp/src/game/server/hl2/Func_Monitor.cpp')

diff --git a/mp/src/game/server/hl2/Func_Monitor.cpp b/mp/src/game/server/hl2/Func_Monitor.cpp
new file mode 100644
index 00000000..fe664d0a
--- /dev/null
+++ b/mp/src/game/server/hl2/Func_Monitor.cpp
@@ -0,0 +1,109 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "point_camera.h"
+#include "modelentities.h"
+#include "info_camera_link.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+class CFuncMonitor : public CFuncBrush
+{
+	DECLARE_DATADESC();
+	DECLARE_CLASS( CFuncMonitor, CFuncBrush );
+	DECLARE_SERVERCLASS();
+
+public:
+	virtual void Activate();
+	virtual void UpdateOnRemove();
+
+private:
+	void InputSetCamera(inputdata_t &inputdata);
+	void SetCameraByName(const char *szName);
+	void ReleaseCameraLink();
+
+	EHANDLE m_hInfoCameraLink;
+};
+
+// automatically hooks in the system's callbacks
+BEGIN_DATADESC( CFuncMonitor )
+
+	DEFINE_FIELD( m_hInfoCameraLink, FIELD_EHANDLE ),
+
+	// Outputs
+	DEFINE_INPUTFUNC( FIELD_STRING, "SetCamera", InputSetCamera ),
+
+END_DATADESC()
+
+
+LINK_ENTITY_TO_CLASS( func_monitor, CFuncMonitor );
+
+
+IMPLEMENT_SERVERCLASS_ST( CFuncMonitor, DT_FuncMonitor )
+END_SEND_TABLE()
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Called after all entities have spawned and after a load game.
+//-----------------------------------------------------------------------------
+void CFuncMonitor::Activate()
+{
+ 	BaseClass::Activate();
+	SetCameraByName(STRING(m_target));
+}
+
+void CFuncMonitor::UpdateOnRemove()
+{
+	ReleaseCameraLink();
+	BaseClass::UpdateOnRemove();
+}
+
+
+//-----------------------------------------------------------------------------
+// Frees the camera.
+//-----------------------------------------------------------------------------
+void CFuncMonitor::ReleaseCameraLink()
+{
+	if ( m_hInfoCameraLink )
+	{
+		UTIL_Remove( m_hInfoCameraLink );
+		m_hInfoCameraLink = NULL;
+
+		// Keep the target up-to-date for save/load
+		m_target = NULL_STRING;
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Sets camera 
+//-----------------------------------------------------------------------------
+void CFuncMonitor::SetCameraByName(const char *szName)
+{
+	ReleaseCameraLink();
+	CBaseEntity *pBaseEnt = gEntList.FindEntityByName( NULL, szName );
+	if( pBaseEnt )
+	{
+		CPointCamera *pCamera = dynamic_cast<CPointCamera *>( pBaseEnt );
+		if( pCamera )
+		{
+			// Keep the target up-to-date for save/load
+			m_target = MAKE_STRING( szName );
+			m_hInfoCameraLink = CreateInfoCameraLink( this, pCamera ); 
+		}
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFuncMonitor::InputSetCamera(inputdata_t &inputdata)
+{
+	SetCameraByName( inputdata.value.String() );
+}
-- 
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