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: spawn and think functions for editor-placed lights
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "lights.h"
#include "world.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
LINK_ENTITY_TO_CLASS( light, CLight );
BEGIN_DATADESC( CLight )
DEFINE_FIELD( m_iCurrentFade, FIELD_CHARACTER),
DEFINE_FIELD( m_iTargetFade, FIELD_CHARACTER),
DEFINE_KEYFIELD( m_iStyle, FIELD_INTEGER, "style" ),
DEFINE_KEYFIELD( m_iDefaultStyle, FIELD_INTEGER, "defaultstyle" ),
DEFINE_KEYFIELD( m_iszPattern, FIELD_STRING, "pattern" ),
// Fuctions
DEFINE_FUNCTION( FadeThink ),
// Inputs
DEFINE_INPUTFUNC( FIELD_STRING, "SetPattern", InputSetPattern ),
DEFINE_INPUTFUNC( FIELD_STRING, "FadeToPattern", InputFadeToPattern ),
DEFINE_INPUTFUNC( FIELD_VOID, "Toggle", InputToggle ),
DEFINE_INPUTFUNC( FIELD_VOID, "TurnOn", InputTurnOn ),
DEFINE_INPUTFUNC( FIELD_VOID, "TurnOff", InputTurnOff ),
END_DATADESC()
//
// Cache user-entity-field values until spawn is called.
//
bool CLight::KeyValue( const char *szKeyName, const char *szValue )
{
if (FStrEq(szKeyName, "pitch"))
{
QAngle angles = GetAbsAngles();
angles.x = atof(szValue);
SetAbsAngles( angles );
}
else
{
return BaseClass::KeyValue( szKeyName, szValue );
}
return true;
}
// Light entity
// If targeted, it will toggle between on or off.
void CLight::Spawn( void )
{
if (!GetEntityName())
{ // inert light
UTIL_Remove( this );
return;
}
if (m_iStyle >= 32)
{
if ( m_iszPattern == NULL_STRING && m_iDefaultStyle > 0 )
{
m_iszPattern = MAKE_STRING(GetDefaultLightstyleString(m_iDefaultStyle));
}
if (FBitSet(m_spawnflags, SF_LIGHT_START_OFF))
engine->LightStyle(m_iStyle, "a");
else if (m_iszPattern != NULL_STRING)
engine->LightStyle(m_iStyle, (char *)STRING( m_iszPattern ));
else
engine->LightStyle(m_iStyle, "m");
}
}
void CLight::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
if (m_iStyle >= 32)
{
if ( !ShouldToggle( useType, !FBitSet(m_spawnflags, SF_LIGHT_START_OFF) ) )
return;
Toggle();
}
}
//-----------------------------------------------------------------------------
// Purpose: Turn the light on
//-----------------------------------------------------------------------------
void CLight::TurnOn( void )
{
if ( m_iszPattern != NULL_STRING )
{
engine->LightStyle( m_iStyle, (char *) STRING( m_iszPattern ) );
}
else
{
engine->LightStyle( m_iStyle, "m" );
}
CLEARBITS( m_spawnflags, SF_LIGHT_START_OFF );
}
//-----------------------------------------------------------------------------
// Purpose: Turn the light off
//-----------------------------------------------------------------------------
void CLight::TurnOff( void )
{
engine->LightStyle( m_iStyle, "a" );
SETBITS( m_spawnflags, SF_LIGHT_START_OFF );
}
//-----------------------------------------------------------------------------
// Purpose: Toggle the light on/off
//-----------------------------------------------------------------------------
void CLight::Toggle( void )
{
//Toggle it
if ( FBitSet( m_spawnflags, SF_LIGHT_START_OFF ) )
{
TurnOn();
}
else
{
TurnOff();
}
}
//-----------------------------------------------------------------------------
// Purpose: Handle the "turnon" input handler
// Input : &inputdata -
//-----------------------------------------------------------------------------
void CLight::InputTurnOn( inputdata_t &inputdata )
{
TurnOn();
}
//-----------------------------------------------------------------------------
// Purpose: Handle the "turnoff" input handler
// Input : &inputdata -
//-----------------------------------------------------------------------------
void CLight::InputTurnOff( inputdata_t &inputdata )
{
TurnOff();
}
//-----------------------------------------------------------------------------
// Purpose: Handle the "toggle" input handler
// Input : &inputdata -
//-----------------------------------------------------------------------------
void CLight::InputToggle( inputdata_t &inputdata )
{
Toggle();
}
//-----------------------------------------------------------------------------
// Purpose: Input handler for setting a light pattern
//-----------------------------------------------------------------------------
void CLight::InputSetPattern( inputdata_t &inputdata )
{
m_iszPattern = inputdata.value.StringID();
engine->LightStyle(m_iStyle, (char *)STRING( m_iszPattern ));
// Light is on if pattern is set
CLEARBITS(m_spawnflags, SF_LIGHT_START_OFF);
}
//-----------------------------------------------------------------------------
// Purpose: Input handler for fading from first value in old pattern to
// first value in new pattern
//-----------------------------------------------------------------------------
void CLight::InputFadeToPattern( inputdata_t &inputdata )
{
m_iCurrentFade = (STRING(m_iszPattern))[0];
m_iTargetFade = inputdata.value.String()[0];
m_iszPattern = inputdata.value.StringID();
SetThink(&CLight::FadeThink);
SetNextThink( gpGlobals->curtime );
// Light is on if pattern is set
CLEARBITS(m_spawnflags, SF_LIGHT_START_OFF);
}
//------------------------------------------------------------------------------
// Purpose : Fade light to new starting pattern value then stop thinking
//------------------------------------------------------------------------------
void CLight::FadeThink(void)
{
if (m_iCurrentFade < m_iTargetFade)
{
m_iCurrentFade++;
}
else if (m_iCurrentFade > m_iTargetFade)
{
m_iCurrentFade--;
}
// If we're done fading instantiate our light pattern and stop thinking
if (m_iCurrentFade == m_iTargetFade)
{
engine->LightStyle(m_iStyle, (char *)STRING( m_iszPattern ));
SetNextThink( TICK_NEVER_THINK );
}
// Otherwise instantiate our current fade value and keep thinking
else
{
char sCurString[2];
sCurString[0] = m_iCurrentFade;
sCurString[1] = 0;
engine->LightStyle(m_iStyle, sCurString);
// UNDONE: Consider making this settable war to control fade speed
SetNextThink( gpGlobals->curtime + 0.1f );
}
}
//
// shut up spawn functions for new spotlights
//
LINK_ENTITY_TO_CLASS( light_spot, CLight );
LINK_ENTITY_TO_CLASS( light_glspot, CLight );
class CEnvLight : public CLight
{
public:
DECLARE_CLASS( CEnvLight, CLight );
bool KeyValue( const char *szKeyName, const char *szValue );
void Spawn( void );
};
LINK_ENTITY_TO_CLASS( light_environment, CEnvLight );
bool CEnvLight::KeyValue( const char *szKeyName, const char *szValue )
{
if (FStrEq(szKeyName, "_light"))
{
// nothing
}
else
{
return BaseClass::KeyValue( szKeyName, szValue );
}
return true;
}
void CEnvLight::Spawn( void )
{
BaseClass::Spawn( );
}