293 lines
8.3 KiB
C++
293 lines
8.3 KiB
C++
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "cbase.h"
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#include "igamesystem.h"
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#include "point_camera.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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#define CAM_THINK_INTERVAL 0.05
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// Spawnflags
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#define SF_CAMERA_START_OFF 0x01
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// UNDONE: Share properly with the client code!!!
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#define POINT_CAMERA_MSG_SETACTIVE 1
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CEntityClassList<CPointCamera> g_PointCameraList;
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template <> CPointCamera *CEntityClassList<CPointCamera>::m_pClassList = NULL;
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CPointCamera* GetPointCameraList()
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{
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return g_PointCameraList.m_pClassList;
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}
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// These are already built into CBaseEntity
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// DEFINE_KEYFIELD( m_iName, FIELD_STRING, "targetname" ),
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// DEFINE_KEYFIELD( m_iParent, FIELD_STRING, "parentname" ),
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// DEFINE_KEYFIELD( m_target, FIELD_STRING, "target" ),
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#ifndef INFESTED_DLL
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LINK_ENTITY_TO_CLASS( point_camera, CPointCamera );
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#endif
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CPointCamera::~CPointCamera()
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{
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g_PointCameraList.Remove( this );
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}
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CPointCamera::CPointCamera()
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{
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// Set these to opposites so that it'll be sent the first time around.
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m_bActive = false;
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m_bIsOn = false;
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m_bFogEnable = false;
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m_fBrightness = -1.0f;
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g_PointCameraList.Insert( this );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CPointCamera::Spawn( void )
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{
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BaseClass::Spawn();
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if ( m_spawnflags & SF_CAMERA_START_OFF )
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{
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m_bIsOn = false;
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}
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else
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{
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m_bIsOn = true;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Override ShouldTransmit since we want to be sent even though we don't have a model, etc.
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// All that matters is if we are in the pvs.
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//-----------------------------------------------------------------------------
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int CPointCamera::UpdateTransmitState()
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{
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if ( m_bActive )
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{
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return SetTransmitState( FL_EDICT_ALWAYS );
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}
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else
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{
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return SetTransmitState( FL_EDICT_DONTSEND );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CPointCamera::SetActive( bool bActive )
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{
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// If the mapmaker's told the camera it's off, it enforces inactive state
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if ( !m_bIsOn )
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{
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bActive = false;
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}
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if ( m_bActive != bActive )
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{
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m_bActive = bActive;
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DispatchUpdateTransmitState();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CPointCamera::InputChangeFOV( inputdata_t &inputdata )
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{
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// Parse the keyvalue data
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char parseString[255];
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Q_strncpy(parseString, inputdata.value.String(), sizeof(parseString));
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// Get FOV
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char *pszParam = strtok(parseString," ");
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if(pszParam)
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{
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m_TargetFOV = atof( pszParam );
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}
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else
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{
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// Assume no change
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m_TargetFOV = m_FOV;
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}
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// Get Time
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float flChangeTime;
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pszParam = strtok(NULL," ");
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if(pszParam)
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{
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flChangeTime = atof( pszParam );
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}
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else
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{
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// Assume 1 second.
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flChangeTime = 1.0;
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}
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m_DegreesPerSecond = ( m_TargetFOV - m_FOV ) / flChangeTime;
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SetThink( &CPointCamera::ChangeFOVThink );
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SetNextThink( gpGlobals->curtime );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CPointCamera::ChangeFOVThink( void )
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{
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SetNextThink( gpGlobals->curtime + CAM_THINK_INTERVAL );
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float newFOV = m_FOV;
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newFOV += m_DegreesPerSecond * CAM_THINK_INTERVAL;
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if( m_DegreesPerSecond < 0 )
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{
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if( newFOV <= m_TargetFOV )
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{
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newFOV = m_TargetFOV;
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SetThink( NULL );
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}
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}
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else
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{
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if( newFOV >= m_TargetFOV )
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{
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newFOV = m_TargetFOV;
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SetThink( NULL );
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}
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}
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m_FOV = newFOV;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Turn this camera on, and turn all other cameras off
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//-----------------------------------------------------------------------------
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void CPointCamera::InputSetOnAndTurnOthersOff( inputdata_t &inputdata )
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{
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CBaseEntity *pEntity = NULL;
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while ((pEntity = gEntList.FindEntityByClassname( pEntity, "point_camera" )) != NULL)
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{
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CPointCamera *pCamera = (CPointCamera*)pEntity;
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pCamera->InputSetOff( inputdata );
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}
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// Now turn myself on
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InputSetOn( inputdata );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CPointCamera::InputSetOn( inputdata_t &inputdata )
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{
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m_bIsOn = true;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CPointCamera::InputSetOff( inputdata_t &inputdata )
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{
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m_bIsOn = false;
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SetActive( false );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CPointCamera::InputForceActive( inputdata_t &inputdata )
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{
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CBaseEntity *pEntity = NULL;
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while ((pEntity = gEntList.FindEntityByClassname( pEntity, "point_camera" )) != NULL)
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{
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CPointCamera *pCamera = (CPointCamera*)pEntity;
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pCamera->m_bActive = false;
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}
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// Now turn myself on
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InputSetOn( inputdata );
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m_bActive = true;
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UpdateTransmitState();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CPointCamera::InputForceInactive( inputdata_t &inputdata )
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{
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m_bIsOn = false;
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SetActive( false );
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UpdateTransmitState();
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}
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BEGIN_DATADESC( CPointCamera )
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// Save/restore Keyvalue fields
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DEFINE_KEYFIELD( m_FOV, FIELD_FLOAT, "FOV" ),
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DEFINE_KEYFIELD( m_Resolution, FIELD_FLOAT, "resolution" ),
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DEFINE_KEYFIELD( m_bFogEnable, FIELD_BOOLEAN, "fogEnable" ),
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DEFINE_KEYFIELD( m_FogColor, FIELD_COLOR32, "fogColor" ),
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DEFINE_KEYFIELD( m_flFogStart, FIELD_FLOAT, "fogStart" ),
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DEFINE_KEYFIELD( m_flFogEnd, FIELD_FLOAT, "fogEnd" ),
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DEFINE_KEYFIELD( m_flFogMaxDensity, FIELD_FLOAT, "fogMaxDensity" ),
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DEFINE_KEYFIELD( m_bUseScreenAspectRatio, FIELD_BOOLEAN, "UseScreenAspectRatio" ),
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DEFINE_FIELD( m_bActive, FIELD_BOOLEAN ),
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DEFINE_FIELD( m_bIsOn, FIELD_BOOLEAN ),
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DEFINE_FIELD( m_bNoSky, FIELD_BOOLEAN ),
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DEFINE_FIELD( m_fBrightness, FIELD_FLOAT ),
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DEFINE_FIELD( m_TargetFOV, FIELD_FLOAT ),
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DEFINE_FIELD( m_DegreesPerSecond, FIELD_FLOAT ),
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// This is re-set up in the constructor
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//DEFINE_FIELD( m_pNext, FIELD_CLASSPTR ),
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DEFINE_FUNCTION( ChangeFOVThink ),
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// Input
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DEFINE_INPUTFUNC( FIELD_STRING, "ChangeFOV", InputChangeFOV ),
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DEFINE_INPUTFUNC( FIELD_VOID, "SetOnAndTurnOthersOff", InputSetOnAndTurnOthersOff ),
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DEFINE_INPUTFUNC( FIELD_VOID, "SetOn", InputSetOn ),
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DEFINE_INPUTFUNC( FIELD_VOID, "SetOff", InputSetOff ),
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DEFINE_INPUTFUNC( FIELD_VOID, "Activate", InputForceActive ),
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DEFINE_INPUTFUNC( FIELD_VOID, "Deactivate", InputForceInactive ),
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END_DATADESC()
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IMPLEMENT_SERVERCLASS_ST( CPointCamera, DT_PointCamera )
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SendPropFloat( SENDINFO( m_FOV ), 0, SPROP_NOSCALE ),
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SendPropFloat( SENDINFO( m_Resolution ), 0, SPROP_NOSCALE ),
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SendPropInt( SENDINFO( m_bFogEnable ), 1, SPROP_UNSIGNED ),
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SendPropInt( SENDINFO_STRUCTELEM( m_FogColor ), 32, SPROP_UNSIGNED, SendProxy_Color32ToInt32 ),
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SendPropFloat( SENDINFO( m_flFogStart ), 0, SPROP_NOSCALE ),
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SendPropFloat( SENDINFO( m_flFogEnd ), 0, SPROP_NOSCALE ),
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SendPropFloat( SENDINFO( m_flFogMaxDensity ), 0, SPROP_NOSCALE ),
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SendPropBool( SENDINFO( m_bActive ) ),
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SendPropBool( SENDINFO( m_bUseScreenAspectRatio ) ),
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SendPropBool( SENDINFO( m_bNoSky ) ),
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SendPropFloat( SENDINFO( m_fBrightness ), 0, SPROP_NOSCALE ),
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END_SEND_TABLE()
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