Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "igamesystem.h"
#include "point_camera.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
#define CAM_THINK_INTERVAL 0.05
// Spawnflags
#define SF_CAMERA_START_OFF 0x01
// UNDONE: Share properly with the client code!!!
#define POINT_CAMERA_MSG_SETACTIVE 1
CEntityClassList<CPointCamera> g_PointCameraList;
template <> CPointCamera *CEntityClassList<CPointCamera>::m_pClassList = NULL;
CPointCamera* GetPointCameraList()
{
return g_PointCameraList.m_pClassList;
}
// These are already built into CBaseEntity
// DEFINE_KEYFIELD( m_iName, FIELD_STRING, "targetname" ),
// DEFINE_KEYFIELD( m_iParent, FIELD_STRING, "parentname" ),
// DEFINE_KEYFIELD( m_target, FIELD_STRING, "target" ),
LINK_ENTITY_TO_CLASS( point_camera, CPointCamera );
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CPointCamera::~CPointCamera()
{
g_PointCameraList.Remove( this );
}
CPointCamera::CPointCamera()
{
// Set these to opposites so that it'll be sent the first time around.
m_bActive = false;
m_bIsOn = false;
m_bFogEnable = false;
g_PointCameraList.Insert( this );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPointCamera::Spawn( void )
{
BaseClass::Spawn();
if ( m_spawnflags & SF_CAMERA_START_OFF )
{
m_bIsOn = false;
}
else
{
m_bIsOn = true;
}
}
//-----------------------------------------------------------------------------
// Purpose: Override ShouldTransmit since we want to be sent even though we don't have a model, etc.
// All that matters is if we are in the pvs.
//-----------------------------------------------------------------------------
int CPointCamera::UpdateTransmitState()
{
if ( m_bActive )
{
return SetTransmitState( FL_EDICT_ALWAYS );
}
else
{
return SetTransmitState( FL_EDICT_DONTSEND );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPointCamera::SetActive( bool bActive )
{
// If the mapmaker's told the camera it's off, it enforces inactive state
if ( !m_bIsOn )
{
bActive = false;
}
if ( m_bActive != bActive )
{
m_bActive = bActive;
DispatchUpdateTransmitState();
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPointCamera::InputChangeFOV( inputdata_t &inputdata )
{
// Parse the keyvalue data
char parseString[255];
Q_strncpy(parseString, inputdata.value.String(), sizeof(parseString));
// Get FOV
char *pszParam = strtok(parseString," ");
if(pszParam)
{
m_TargetFOV = atof( pszParam );
}
else
{
// Assume no change
m_TargetFOV = m_FOV;
}
// Get Time
float flChangeTime;
pszParam = strtok(NULL," ");
if(pszParam)
{
flChangeTime = atof( pszParam );
}
else
{
// Assume 1 second.
flChangeTime = 1.0;
}
m_DegreesPerSecond = ( m_TargetFOV - m_FOV ) / flChangeTime;
SetThink( &CPointCamera::ChangeFOVThink );
SetNextThink( gpGlobals->curtime );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPointCamera::ChangeFOVThink( void )
{
SetNextThink( gpGlobals->curtime + CAM_THINK_INTERVAL );
float newFOV = m_FOV;
newFOV += m_DegreesPerSecond * CAM_THINK_INTERVAL;
if( m_DegreesPerSecond < 0 )
{
if( newFOV <= m_TargetFOV )
{
newFOV = m_TargetFOV;
SetThink( NULL );
}
}
else
{
if( newFOV >= m_TargetFOV )
{
newFOV = m_TargetFOV;
SetThink( NULL );
}
}
m_FOV = newFOV;
}
//-----------------------------------------------------------------------------
// Purpose: Turn this camera on, and turn all other cameras off
//-----------------------------------------------------------------------------
void CPointCamera::InputSetOnAndTurnOthersOff( inputdata_t &inputdata )
{
CBaseEntity *pEntity = NULL;
while ((pEntity = gEntList.FindEntityByClassname( pEntity, "point_camera" )) != NULL)
{
CPointCamera *pCamera = (CPointCamera*)pEntity;
pCamera->InputSetOff( inputdata );
}
// Now turn myself on
InputSetOn( inputdata );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPointCamera::InputSetOn( inputdata_t &inputdata )
{
m_bIsOn = true;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPointCamera::InputSetOff( inputdata_t &inputdata )
{
m_bIsOn = false;
SetActive( false );
}
BEGIN_DATADESC( CPointCamera )
// Save/restore Keyvalue fields
DEFINE_KEYFIELD( m_FOV, FIELD_FLOAT, "FOV" ),
DEFINE_KEYFIELD( m_Resolution, FIELD_FLOAT, "resolution" ),
DEFINE_KEYFIELD( m_bFogEnable, FIELD_BOOLEAN, "fogEnable" ),
DEFINE_KEYFIELD( m_FogColor, FIELD_COLOR32, "fogColor" ),
DEFINE_KEYFIELD( m_flFogStart, FIELD_FLOAT, "fogStart" ),
DEFINE_KEYFIELD( m_flFogEnd, FIELD_FLOAT, "fogEnd" ),
DEFINE_KEYFIELD( m_flFogMaxDensity, FIELD_FLOAT, "fogMaxDensity" ),
DEFINE_KEYFIELD( m_bUseScreenAspectRatio, FIELD_BOOLEAN, "UseScreenAspectRatio" ),
DEFINE_FIELD( m_bActive, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bIsOn, FIELD_BOOLEAN ),
DEFINE_FIELD( m_TargetFOV, FIELD_FLOAT ),
DEFINE_FIELD( m_DegreesPerSecond, FIELD_FLOAT ),
// This is re-set up in the constructor
//DEFINE_FIELD( m_pNext, FIELD_CLASSPTR ),
DEFINE_FUNCTION( ChangeFOVThink ),
// Input
DEFINE_INPUTFUNC( FIELD_STRING, "ChangeFOV", InputChangeFOV ),
DEFINE_INPUTFUNC( FIELD_VOID, "SetOnAndTurnOthersOff", InputSetOnAndTurnOthersOff ),
DEFINE_INPUTFUNC( FIELD_VOID, "SetOn", InputSetOn ),
DEFINE_INPUTFUNC( FIELD_VOID, "SetOff", InputSetOff ),
END_DATADESC()
IMPLEMENT_SERVERCLASS_ST( CPointCamera, DT_PointCamera )
SendPropFloat( SENDINFO( m_FOV ), 0, SPROP_NOSCALE ),
SendPropFloat( SENDINFO( m_Resolution ), 0, SPROP_NOSCALE ),
SendPropInt( SENDINFO( m_bFogEnable ), 1, SPROP_UNSIGNED ),
SendPropInt( SENDINFO_STRUCTELEM( m_FogColor ), 32, SPROP_UNSIGNED ),
SendPropFloat( SENDINFO( m_flFogStart ), 0, SPROP_NOSCALE ),
SendPropFloat( SENDINFO( m_flFogEnd ), 0, SPROP_NOSCALE ),
SendPropFloat( SENDINFO( m_flFogMaxDensity ), 0, SPROP_NOSCALE ),
SendPropInt( SENDINFO( m_bActive ), 1, SPROP_UNSIGNED ),
SendPropInt( SENDINFO( m_bUseScreenAspectRatio ), 1, SPROP_UNSIGNED ),
END_SEND_TABLE()