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hl2sdk/game/server/hl2/Func_Monitor.cpp
2013-06-26 15:22:04 -07:00

110 lines
2.8 KiB
C++

//========= 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() );
}