Portable Half-Life SDK. GoldSource and Xash3D. Crossplatform.
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/***
*
* Copyright (c) 1996-2002, Valve LLC. All rights reserved.
*
* This product contains software technology licensed from Id
* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
* All Rights Reserved.
*
* Use, distribution, and modification of this source code and/or resulting
* object code is restricted to non-commercial enhancements to products from
* Valve LLC. All other use, distribution, or modification is prohibited
* without written permission from Valve LLC.
*
****/
/*
===== lights.cpp ========================================================
spawn and think functions for editor-placed lights
*/
#include "extdll.h"
#include "util.h"
#include "cbase.h"
//LRC
int GetStdLightStyle (int iStyle)
{
switch (iStyle)
{
// 0 normal
case 0: return MAKE_STRING("m");
// 1 FLICKER (first variety)
case 1: return MAKE_STRING("mmnmmommommnonmmonqnmmo");
// 2 SLOW STRONG PULSE
case 2: return MAKE_STRING("abcdefghijklmnopqrstuvwxyzyxwvutsrqponmlkjihgfedcba");
// 3 CANDLE (first variety)
case 3: return MAKE_STRING("mmmmmaaaaammmmmaaaaaabcdefgabcdefg");
// 4 FAST STROBE
case 4: return MAKE_STRING("mamamamamama");
// 5 GENTLE PULSE 1
case 5: return MAKE_STRING("jklmnopqrstuvwxyzyxwvutsrqponmlkj");
// 6 FLICKER (second variety)
case 6: return MAKE_STRING("nmonqnmomnmomomno");
// 7 CANDLE (second variety)
case 7: return MAKE_STRING("mmmaaaabcdefgmmmmaaaammmaamm");
// 8 CANDLE (third variety)
case 8: return MAKE_STRING("mmmaaammmaaammmabcdefaaaammmmabcdefmmmaaaa");
// 9 SLOW STROBE (fourth variety)
case 9: return MAKE_STRING("aaaaaaaazzzzzzzz");
// 10 FLUORESCENT FLICKER
case 10: return MAKE_STRING("mmamammmmammamamaaamammma");
// 11 SLOW PULSE NOT FADE TO BLACK
case 11: return MAKE_STRING("abcdefghijklmnopqrrqponmlkjihgfedcba");
// 12 UNDERWATER LIGHT MUTATION
// this light only distorts the lightmap - no contribution
// is made to the brightness of affected surfaces
case 12: return MAKE_STRING("mmnnmmnnnmmnn");
// 13 OFF (LRC)
case 13: return MAKE_STRING("a");
// 14 SLOW FADE IN (LRC)
case 14: return MAKE_STRING("aabbccddeeffgghhiijjkkllmmmmmmmmmmmmmm");
// 15 MED FADE IN (LRC)
case 15: return MAKE_STRING("abcdefghijklmmmmmmmmmmmmmmmmmmmmmmmmmm");
// 16 FAST FADE IN (LRC)
case 16: return MAKE_STRING("acegikmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm");
// 17 SLOW FADE OUT (LRC)
case 17: return MAKE_STRING("llkkjjiihhggffeeddccbbaaaaaaaaaaaaaaaa");
// 18 MED FADE OUT (LRC)
case 18: return MAKE_STRING("lkjihgfedcbaaaaaaaaaaaaaaaaaaaaaaaaaaa");
// 19 FAST FADE OUT (LRC)
case 19: return MAKE_STRING("kigecaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
default: return MAKE_STRING("m");
}
}
class CLight : public CPointEntity
{
public:
virtual void KeyValue( KeyValueData* pkvd );
virtual void Spawn( void );
void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
void Think( void );
virtual int Save( CSave &save );
virtual int Restore( CRestore &restore );
virtual STATE GetState(void) { return m_iState; }; //LRC
static TYPEDESCRIPTION m_SaveData[];
int GetStyle( void ) { return m_iszCurrentStyle; }; //LRC
void SetStyle( int iszPattern ); //LRC
void SetCorrectStyle( void ); //LRC
private:
STATE m_iState; // current state
int m_iOnStyle; // style to use while on
int m_iOffStyle; // style to use while off
int m_iTurnOnStyle; // style to use while turning on
int m_iTurnOffStyle; // style to use while turning off
int m_iTurnOnTime; // time taken to turn on
int m_iTurnOffTime; // time taken to turn off
int m_iszPattern; // custom style to use while on
int m_iszCurrentStyle; // current style string
};
LINK_ENTITY_TO_CLASS( light, CLight )
TYPEDESCRIPTION CLight::m_SaveData[] =
{
DEFINE_FIELD( CLight, m_iState, FIELD_INTEGER ),
DEFINE_FIELD( CLight, m_iszPattern, FIELD_STRING ),
DEFINE_FIELD( CLight, m_iszCurrentStyle, FIELD_STRING ),
DEFINE_FIELD( CLight, m_iOnStyle, FIELD_INTEGER ),
DEFINE_FIELD( CLight, m_iOffStyle, FIELD_INTEGER ),
DEFINE_FIELD( CLight, m_iTurnOnStyle, FIELD_INTEGER ),
DEFINE_FIELD( CLight, m_iTurnOffStyle, FIELD_INTEGER ),
DEFINE_FIELD( CLight, m_iTurnOnTime, FIELD_INTEGER ),
DEFINE_FIELD( CLight, m_iTurnOffTime, FIELD_INTEGER ),
};
IMPLEMENT_SAVERESTORE( CLight, CPointEntity )
//
// Cache user-entity-field values until spawn is called.
//
void CLight::KeyValue( KeyValueData* pkvd )
{
if (FStrEq(pkvd->szKeyName, "m_iOnStyle"))
{
m_iOnStyle = atoi(pkvd->szValue);
pkvd->fHandled = TRUE;
}
else if (FStrEq(pkvd->szKeyName, "m_iOffStyle"))
{
m_iOffStyle = atoi(pkvd->szValue);
pkvd->fHandled = TRUE;
}
else if (FStrEq(pkvd->szKeyName, "m_iTurnOnStyle"))
{
m_iTurnOnStyle = atoi(pkvd->szValue);
pkvd->fHandled = TRUE;
}
else if (FStrEq(pkvd->szKeyName, "m_iTurnOffStyle"))
{
m_iTurnOffStyle = atoi(pkvd->szValue);
pkvd->fHandled = TRUE;
}
else if (FStrEq(pkvd->szKeyName, "m_iTurnOnTime"))
{
m_iTurnOnTime = atoi(pkvd->szValue);
pkvd->fHandled = TRUE;
}
else if (FStrEq(pkvd->szKeyName, "m_iTurnOffTime"))
{
m_iTurnOffTime = atoi(pkvd->szValue);
pkvd->fHandled = TRUE;
}
else if( FStrEq(pkvd->szKeyName, "pitch" ) )
{
pev->angles.x = atof( pkvd->szValue );
pkvd->fHandled = TRUE;
}
else if( FStrEq(pkvd->szKeyName, "pattern" ) )
{
m_iszPattern = ALLOC_STRING( pkvd->szValue );
pkvd->fHandled = TRUE;
}
else if (FStrEq(pkvd->szKeyName, "firetarget"))
{
pev->target = ALLOC_STRING( pkvd->szValue );
pkvd->fHandled = TRUE;
}
else
{
CPointEntity::KeyValue( pkvd );
}
}
void CLight :: SetStyle ( int iszPattern )
{
if (m_iStyle < 32) // if it's using a global style, don't change it
return;
m_iszCurrentStyle = iszPattern;
// ALERT(at_console, "SetStyle %d \"%s\"\n", m_iStyle, (char *)STRING( iszPattern ));
LIGHT_STYLE(m_iStyle, (char *)STRING( iszPattern ));
}
// regardless of what's been set by trigger_lightstyle ents, set the style I think I need
void CLight :: SetCorrectStyle ( void )
{
if (m_iStyle >= 32)
{
switch (m_iState)
{
case STATE_ON:
if (m_iszPattern) // custom styles have priority over standard ones
SetStyle( m_iszPattern );
else if (m_iOnStyle)
SetStyle(GetStdLightStyle(m_iOnStyle));
else
SetStyle(MAKE_STRING("m"));
break;
case STATE_OFF:
if (m_iOffStyle)
SetStyle(GetStdLightStyle(m_iOffStyle));
else
SetStyle(MAKE_STRING("a"));
break;
case STATE_TURN_ON:
if (m_iTurnOnStyle)
SetStyle(GetStdLightStyle(m_iTurnOnStyle));
else
SetStyle(MAKE_STRING("a"));
break;
case STATE_TURN_OFF:
if (m_iTurnOffStyle)
SetStyle(GetStdLightStyle(m_iTurnOffStyle));
else
SetStyle(MAKE_STRING("m"));
break;
case STATE_IN_USE:
break;
default:
break;
}
}
else
{
m_iszCurrentStyle = GetStdLightStyle( m_iStyle );
}
}
void CLight :: Think( void )
{
switch (GetState())
{
case STATE_TURN_ON:
m_iState = STATE_ON;
FireTargets(STRING(pev->target),this,this,USE_ON,0);
break;
case STATE_TURN_OFF:
m_iState = STATE_OFF;
FireTargets(STRING(pev->target),this,this,USE_OFF,0);
break;
case STATE_OFF:
case STATE_ON:
case STATE_IN_USE:
break;
default:
break;
}
SetCorrectStyle();
}
/*QUAKED light (0 1 0) (-8 -8 -8) (8 8 8) LIGHT_START_OFF
Non-displayed light.
Default light value is 300
Default style is 0
If targeted, it will toggle between on or off.
*/
void CLight::Spawn( void )
{
if( FStringNull( pev->targetname ) )
{
// inert light
REMOVE_ENTITY(ENT( pev ) );
return;
}
if( FBitSet( pev->spawnflags, SF_LIGHT_START_OFF ) )
m_iState = STATE_OFF;
else
m_iState = STATE_ON;
SetCorrectStyle();
}
void CLight::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
if( m_iStyle >= 32 )
{
if ( !ShouldToggle( useType ) )
return;
switch (GetState())
{
case STATE_ON:
case STATE_TURN_ON:
if (m_iTurnOffTime)
{
m_iState = STATE_TURN_OFF;
SetNextThink( m_iTurnOffTime );
}
else
m_iState = STATE_OFF;
break;
case STATE_OFF:
case STATE_TURN_OFF:
if (m_iTurnOnTime)
{
m_iState = STATE_TURN_ON;
SetNextThink( m_iTurnOnTime );
}
else
m_iState = STATE_ON;
break;
STATE_IN_USE:
break;
default:
break;
}
SetCorrectStyle();
}
}
//
// shut up spawn functions for new spotlights
//
LINK_ENTITY_TO_CLASS( light_spot, CLight )
class CEnvLight : public CLight
{
public:
void KeyValue( KeyValueData* pkvd );
void Spawn( void );
};
LINK_ENTITY_TO_CLASS( light_environment, CEnvLight )
void CEnvLight::KeyValue( KeyValueData* pkvd )
{
if( FStrEq(pkvd->szKeyName, "_light" ) )
{
int r, g, b, v, j;
char szColor[64];
j = sscanf( pkvd->szValue, "%d %d %d %d\n", &r, &g, &b, &v );
if( j == 1 )
{
g = b = r;
}
else if( j == 4 )
{
float vf = v / 255.0f;
r *= vf;
g *= vf;
b *= vf;
}
// simulate qrad direct, ambient,and gamma adjustments, as well as engine scaling
r = (int)( pow( r / 114.0f, 0.6f ) * 264.0f );
g = (int)( pow( g / 114.0f, 0.6f ) * 264.0f );
b = (int)( pow( b / 114.0f, 0.6f ) * 264.0f );
pkvd->fHandled = TRUE;
sprintf( szColor, "%d", r );
CVAR_SET_STRING( "sv_skycolor_r", szColor );
sprintf( szColor, "%d", g );
CVAR_SET_STRING( "sv_skycolor_g", szColor );
sprintf( szColor, "%d", b );
CVAR_SET_STRING( "sv_skycolor_b", szColor );
}
else
{
CLight::KeyValue( pkvd );
}
}
void CEnvLight::Spawn( void )
{
char szVector[64];
UTIL_MakeAimVectors( pev->angles );
sprintf( szVector, "%f", (double)gpGlobals->v_forward.x );
CVAR_SET_STRING( "sv_skyvec_x", szVector );
sprintf( szVector, "%f", (double)gpGlobals->v_forward.y );
CVAR_SET_STRING( "sv_skyvec_y", szVector );
sprintf( szVector, "%f", (double)gpGlobals->v_forward.z );
CVAR_SET_STRING( "sv_skyvec_z", szVector );
CLight::Spawn();
}
//**********************************************************
//LRC- the CLightDynamic entity - works like the flashlight.
//**********************************************************
#define SF_LIGHTDYNAMIC_START_OFF 1
#define SF_LIGHTDYNAMIC_FLARE 2
class CLightDynamic : public CBaseEntity
{
public:
void Spawn( void );
void Precache( void );
void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
int ObjectCaps( void ) { return CBaseEntity::ObjectCaps() & ~FCAP_ACROSS_TRANSITION; }
void SetEffects( void );
STATE GetState( void );
};
LINK_ENTITY_TO_CLASS( light_glow, CLightDynamic );
void CLightDynamic::Spawn( void )
{
Precache( );
SET_MODEL(ENT(pev), "sprites/null.spr");
pev->solid = SOLID_NOT;
pev->movetype = MOVETYPE_NONE;
if (!(pev->spawnflags & SF_LIGHTDYNAMIC_START_OFF))
{
pev->health = 1;
SetEffects();
}
}
void CLightDynamic :: Precache( void )
{
PRECACHE_MODEL("sprites/null.spr");
}
void CLightDynamic::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
if (ShouldToggle(useType, pev->health))
{
if (pev->health)
pev->health = 0;
else
pev->health = 1;
SetEffects();
}
}
void CLightDynamic::SetEffects( void )
{
if (pev->health)
{
if (pev->frags == 2)
pev->effects |= EF_BRIGHTLIGHT;
else if (pev->frags)
pev->effects |= EF_DIMLIGHT;
if (pev->spawnflags & SF_LIGHTDYNAMIC_FLARE)
pev->effects |= EF_LIGHT;
}
else
{
pev->effects &= ~(EF_DIMLIGHT | EF_BRIGHTLIGHT | EF_LIGHT);
}
}
STATE CLightDynamic::GetState( void )
{
if (pev->health)
return STATE_ON;
else
return STATE_OFF;
}
//**********************************************************
//LRC- the CTriggerLightstyle entity - changes the style of a light temporarily.
//**********************************************************
class CLightFader : public CPointEntity
{
public:
void EXPORT FadeThink( void );
void EXPORT WaitThink( void );
virtual int Save( CSave &save );
virtual int Restore( CRestore &restore );
static TYPEDESCRIPTION m_SaveData[];
CLight *m_pLight;
char m_cFrom;
char m_cTo;
char m_szCurStyle[2];
float m_fEndTime;
int m_iszPattern;
float m_fStep;
int m_iWait;
};
LINK_ENTITY_TO_CLASS( lightfader, CLightFader );
TYPEDESCRIPTION CLightFader::m_SaveData[] =
{
DEFINE_FIELD( CLightFader, m_pLight, FIELD_CLASSPTR ),
DEFINE_FIELD( CLightFader, m_cFrom, FIELD_CHARACTER ),
DEFINE_FIELD( CLightFader, m_cTo, FIELD_CHARACTER ),
DEFINE_ARRAY( CLightFader, m_szCurStyle, FIELD_CHARACTER, 2 ),
DEFINE_FIELD( CLightFader, m_fEndTime, FIELD_FLOAT ),
DEFINE_FIELD( CLightFader, m_iszPattern, FIELD_STRING ),
DEFINE_FIELD( CLightFader, m_fStep, FIELD_FLOAT ),
DEFINE_FIELD( CLightFader, m_iWait, FIELD_INTEGER ),
};
IMPLEMENT_SAVERESTORE(CLightFader,CPointEntity);
void CLightFader::FadeThink( void )
{
if (m_fEndTime > gpGlobals->time)
{
m_szCurStyle[0] = m_cTo + (char)((m_cFrom - m_cTo) * (m_fEndTime - gpGlobals->time) * m_fStep);
m_szCurStyle[1] = 0; // null terminator
// ALERT(at_console, "FadeThink: %s %s\n", STRING(m_pLight->pev->classname), m_szCurStyle);
m_pLight->SetStyle(MAKE_STRING(m_szCurStyle));
SetNextThink( 0.1 );
}
else
{
// fade is finished
m_pLight->SetStyle(m_iszPattern);
if (m_iWait > -1)
{
// wait until it's time to switch off
SetThink(&CLightFader:: WaitThink );
SetNextThink( m_iWait );
}
else
{
// we've finished, kill the fader
SetThink(&CLightFader:: SUB_Remove );
SetNextThink( 0.1 );
}
}
}
// we've finished. revert the light and kill the fader.
void CLightFader::WaitThink( void )
{
m_pLight->SetCorrectStyle();
SetThink(&CLightFader:: SUB_Remove );
SetNextThink( 0.1 );
}
class CTriggerLightstyle : public CPointEntity
{
public:
void KeyValue( KeyValueData *pkvd );
void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
virtual int Save( CSave &save );
virtual int Restore( CRestore &restore );
static TYPEDESCRIPTION m_SaveData[];
private:
int m_iszPattern;
int m_iFade;
int m_iWait;
};
LINK_ENTITY_TO_CLASS( trigger_lightstyle, CTriggerLightstyle );
TYPEDESCRIPTION CTriggerLightstyle::m_SaveData[] =
{
DEFINE_FIELD( CTriggerLightstyle, m_iszPattern, FIELD_STRING ),
DEFINE_FIELD( CTriggerLightstyle, m_iFade, FIELD_INTEGER ),
DEFINE_FIELD( CTriggerLightstyle, m_iWait, FIELD_INTEGER ),
};
IMPLEMENT_SAVERESTORE(CTriggerLightstyle,CBaseEntity);
void CTriggerLightstyle::KeyValue( KeyValueData *pkvd )
{
if (FStrEq(pkvd->szKeyName, "pattern"))
{
m_iszPattern = ALLOC_STRING( pkvd->szValue );
pkvd->fHandled = TRUE;
}
else if (FStrEq(pkvd->szKeyName, "m_iFade"))
{
m_iFade = atoi( pkvd->szValue );
pkvd->fHandled = TRUE;
}
else if (FStrEq(pkvd->szKeyName, "m_iWait"))
{
m_iWait = atoi( pkvd->szValue );
pkvd->fHandled = TRUE;
}
else
CBaseEntity::KeyValue( pkvd );
}
void CTriggerLightstyle::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
CBaseEntity *pTarget = NULL;
if ( !pev->target )
return;
//ALERT( at_console, "Lightstyle change for: (%s)\n", STRING(pev->target) );
for (;;)
{
pTarget = UTIL_FindEntityByTargetname(pTarget,STRING(pev->target), pActivator);
if (FNullEnt(pTarget))
break;
int iszPattern;
if (m_iszPattern)
iszPattern = m_iszPattern;
else
iszPattern = GetStdLightStyle(m_iStyle);
// not a light entity?
if (!FClassnameIs(pTarget->pev, "light") && !FClassnameIs(pTarget->pev, "light_spot") && !FClassnameIs(pTarget->pev, "light_environment"))
{
if (pTarget->m_iStyle >= 32)
LIGHT_STYLE(pTarget->m_iStyle, (char*)STRING(iszPattern));
}
else
{
CLight *pLight = (CLight*)pTarget;
if (m_iFade)
{
// ALERT(at_console, "Making fader ent, step 1/%d = %f\n", m_iFade, 1/m_iFade);
CLightFader *pFader = GetClassPtr( (CLightFader*)NULL );
pFader->m_pLight = pLight;
pFader->m_cFrom = ((char*)STRING(pLight->GetStyle()))[0];
pFader->m_cTo = ((char*)STRING(iszPattern))[0];
pFader->m_iszPattern = iszPattern;
pFader->m_fEndTime = gpGlobals->time + m_iFade;
pFader->m_fStep = ((float)1)/m_iFade;
pFader->m_iWait = m_iWait;
pFader->SetThink(&CLightFader::FadeThink );
pFader->SetNextThink( 0.1 );
}
else
{
pLight->SetStyle( iszPattern );
if (m_iWait != -1)
{
CLightFader *pFader = GetClassPtr( (CLightFader*)NULL );
pFader->m_pLight = pLight;
pFader->SetThink(&CLightFader::WaitThink );
pFader->SetNextThink( m_iWait );
}
}
}
}
}