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Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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source-engine/game/client/c_smoke_trail.cpp

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//===== Copyright © 1996-2005, Valve Corporation, All rights reserved. ======//
//
// Purpose:
//
// $NoKeywords: $
//
//===========================================================================//
#include "cbase.h"
#include "c_smoke_trail.h"
#include "fx.h"
#include "engine/IVDebugOverlay.h"
#include "engine/ienginesound.h"
#include "c_te_effect_dispatch.h"
#include "glow_overlay.h"
#include "fx_explosion.h"
#include "tier1/keyvalues.h"
#include "toolframework_client.h"
#include "view.h"
#include "precache_register.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
//
// CRocketTrailParticle
//
class CRocketTrailParticle : public CSimpleEmitter
{
public:
CRocketTrailParticle( const char *pDebugName ) : CSimpleEmitter( pDebugName ) {}
//Create
static CRocketTrailParticle *Create( const char *pDebugName )
{
return new CRocketTrailParticle( pDebugName );
}
//Roll
virtual float UpdateRoll( SimpleParticle *pParticle, float timeDelta )
{
pParticle->m_flRoll += pParticle->m_flRollDelta * timeDelta;
pParticle->m_flRollDelta += pParticle->m_flRollDelta * ( timeDelta * -8.0f );
//Cap the minimum roll
if ( fabs( pParticle->m_flRollDelta ) < 0.5f )
{
pParticle->m_flRollDelta = ( pParticle->m_flRollDelta > 0.0f ) ? 0.5f : -0.5f;
}
return pParticle->m_flRoll;
}
//Alpha
virtual float UpdateAlpha( const SimpleParticle *pParticle )
{
return ( ((float)pParticle->m_uchStartAlpha/255.0f) * sin( M_PI * (pParticle->m_flLifetime / pParticle->m_flDieTime) ) );
}
private:
CRocketTrailParticle( const CRocketTrailParticle & );
};
//
// CSmokeParticle
//
class CSmokeParticle : public CSimpleEmitter
{
public:
CSmokeParticle( const char *pDebugName ) : CSimpleEmitter( pDebugName ) {}
//Create
static CSmokeParticle *Create( const char *pDebugName )
{
return new CSmokeParticle( pDebugName );
}
//Alpha
virtual float UpdateAlpha( const SimpleParticle *pParticle )
{
return ( ((float)pParticle->m_uchStartAlpha/255.0f) * sin( M_PI * (pParticle->m_flLifetime / pParticle->m_flDieTime) ) );
}
//Color
virtual Vector UpdateColor( const SimpleParticle *pParticle )
{
Vector color;
float tLifetime = pParticle->m_flLifetime / pParticle->m_flDieTime;
float ramp = 1.0f - tLifetime;
color[0] = ( (float) pParticle->m_uchColor[0] * ramp ) / 255.0f;
color[1] = ( (float) pParticle->m_uchColor[1] * ramp ) / 255.0f;
color[2] = ( (float) pParticle->m_uchColor[2] * ramp ) / 255.0f;
return color;
}
//Roll
virtual float UpdateRoll( SimpleParticle *pParticle, float timeDelta )
{
pParticle->m_flRoll += pParticle->m_flRollDelta * timeDelta;
pParticle->m_flRollDelta += pParticle->m_flRollDelta * ( timeDelta * -8.0f );
//Cap the minimum roll
if ( fabs( pParticle->m_flRollDelta ) < 0.5f )
{
pParticle->m_flRollDelta = ( pParticle->m_flRollDelta > 0.0f ) ? 0.5f : -0.5f;
}
return pParticle->m_flRoll;
}
private:
CSmokeParticle( const CSmokeParticle & );
};
// Datatable.. this can have all the smoketrail parameters when we need it to.
IMPLEMENT_CLIENTCLASS_DT(C_SmokeTrail, DT_SmokeTrail, SmokeTrail)
RecvPropFloat(RECVINFO(m_SpawnRate)),
RecvPropVector(RECVINFO(m_StartColor)),
RecvPropVector(RECVINFO(m_EndColor)),
RecvPropFloat(RECVINFO(m_ParticleLifetime)),
RecvPropFloat(RECVINFO(m_StopEmitTime)),
RecvPropFloat(RECVINFO(m_MinSpeed)),
RecvPropFloat(RECVINFO(m_MaxSpeed)),
RecvPropFloat(RECVINFO(m_MinDirectedSpeed)),
RecvPropFloat(RECVINFO(m_MaxDirectedSpeed)),
RecvPropFloat(RECVINFO(m_StartSize)),
RecvPropFloat(RECVINFO(m_EndSize)),
RecvPropFloat(RECVINFO(m_SpawnRadius)),
RecvPropInt(RECVINFO(m_bEmit)),
RecvPropInt(RECVINFO(m_nAttachment)),
RecvPropFloat(RECVINFO(m_Opacity)),
END_RECV_TABLE()
// ------------------------------------------------------------------------- //
// ParticleMovieExplosion
// ------------------------------------------------------------------------- //
C_SmokeTrail::C_SmokeTrail()
{
m_MaterialHandle[0] = NULL;
m_MaterialHandle[1] = NULL;
m_SpawnRate = 10;
m_ParticleSpawn.Init(10);
m_StartColor.Init(0.5, 0.5, 0.5);
m_EndColor.Init(0,0,0);
m_ParticleLifetime = 5;
m_StopEmitTime = 0; // No end time
m_MinSpeed = 2;
m_MaxSpeed = 4;
m_MinDirectedSpeed = m_MaxDirectedSpeed = 0;
m_StartSize = 35;
m_EndSize = 55;
m_SpawnRadius = 2;
m_VelocityOffset.Init();
m_Opacity = 0.5f;
m_bEmit = true;
m_nAttachment = -1;
m_pSmokeEmitter = NULL;
m_pParticleMgr = NULL;
}
C_SmokeTrail::~C_SmokeTrail()
{
if ( ToolsEnabled() && clienttools->IsInRecordingMode() && m_pSmokeEmitter.IsValid() && m_pSmokeEmitter->GetToolParticleEffectId() != TOOLPARTICLESYSTEMID_INVALID )
{
KeyValues *msg = new KeyValues( "OldParticleSystem_ActivateEmitter" );
msg->SetInt( "id", m_pSmokeEmitter->GetToolParticleEffectId() );
msg->SetInt( "emitter", 0 );
msg->SetInt( "active", false );
msg->SetFloat( "time", gpGlobals->curtime );
ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, msg );
msg->deleteThis();
}
if ( m_pParticleMgr )
{
m_pParticleMgr->RemoveEffect( &m_ParticleEffect );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_SmokeTrail::GetAimEntOrigin( IClientEntity *pAttachedTo, Vector *pAbsOrigin, QAngle *pAbsAngles )
{
C_BaseEntity *pEnt = pAttachedTo->GetBaseEntity();
if (pEnt && (m_nAttachment > 0))
{
pEnt->GetAttachment( m_nAttachment, *pAbsOrigin, *pAbsAngles );
}
else
{
BaseClass::GetAimEntOrigin( pAttachedTo, pAbsOrigin, pAbsAngles );
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : bEmit -
//-----------------------------------------------------------------------------
void C_SmokeTrail::SetEmit(bool bEmit)
{
m_bEmit = bEmit;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : rate -
//-----------------------------------------------------------------------------
void C_SmokeTrail::SetSpawnRate(float rate)
{
m_SpawnRate = rate;
m_ParticleSpawn.Init(rate);
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : bnewentity -
//-----------------------------------------------------------------------------
void C_SmokeTrail::OnDataChanged(DataUpdateType_t updateType)
{
C_BaseEntity::OnDataChanged(updateType);
if ( updateType == DATA_UPDATE_CREATED )
{
Start( ParticleMgr(), NULL );
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pParticleMgr -
// *pArgs -
//-----------------------------------------------------------------------------
void C_SmokeTrail::Start( CParticleMgr *pParticleMgr, IPrototypeArgAccess *pArgs )
{
if(!pParticleMgr->AddEffect( &m_ParticleEffect, this ))
return;
m_pParticleMgr = pParticleMgr;
m_pSmokeEmitter = CSmokeParticle::Create("smokeTrail");
if ( !m_pSmokeEmitter )
{
Assert( false );
return;
}
m_pSmokeEmitter->SetSortOrigin( GetAbsOrigin() );
m_pSmokeEmitter->SetNearClip( 64.0f, 128.0f );
m_MaterialHandle[0] = g_Mat_DustPuff[0];
m_MaterialHandle[1] = g_Mat_DustPuff[1];
m_ParticleSpawn.Init( m_SpawnRate );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : fTimeDelta -
//-----------------------------------------------------------------------------
void C_SmokeTrail::Update( float fTimeDelta )
{
if ( !m_pSmokeEmitter )
return;
Vector offsetColor;
// Add new particles
if ( !m_bEmit )
return;
if ( ( m_StopEmitTime != 0 ) && ( m_StopEmitTime <= gpGlobals->curtime ) )
return;
float tempDelta = fTimeDelta;
SimpleParticle *pParticle;
Vector offset;
Vector vecOrigin;
VectorMA( GetAbsOrigin(), -fTimeDelta, GetAbsVelocity(), vecOrigin );
Vector vecForward;
GetVectors( &vecForward, NULL, NULL );
while( m_ParticleSpawn.NextEvent( tempDelta ) )
{
float fldt = fTimeDelta - tempDelta;
offset.Random( -m_SpawnRadius, m_SpawnRadius );
offset += vecOrigin;
VectorMA( offset, fldt, GetAbsVelocity(), offset );
pParticle = (SimpleParticle *) m_pSmokeEmitter->AddParticle( sizeof( SimpleParticle ), m_MaterialHandle[random->RandomInt(0,1)], offset );
if ( pParticle == NULL )
continue;
pParticle->m_flLifetime = 0.0f;
pParticle->m_flDieTime = m_ParticleLifetime;
pParticle->m_vecVelocity.Random( -1.0f, 1.0f );
pParticle->m_vecVelocity *= random->RandomFloat( m_MinSpeed, m_MaxSpeed );
pParticle->m_vecVelocity = pParticle->m_vecVelocity + GetAbsVelocity();
float flDirectedVel = random->RandomFloat( m_MinDirectedSpeed, m_MaxDirectedSpeed );
VectorMA( pParticle->m_vecVelocity, flDirectedVel, vecForward, pParticle->m_vecVelocity );
offsetColor = m_StartColor;
float flMaxVal = MAX( m_StartColor[0], m_StartColor[1] );
if ( flMaxVal < m_StartColor[2] )
{
flMaxVal = m_StartColor[2];
}
offsetColor /= flMaxVal;
offsetColor *= random->RandomFloat( -0.2f, 0.2f );
offsetColor += m_StartColor;
offsetColor[0] = clamp( offsetColor[0], 0.0f, 1.0f );
offsetColor[1] = clamp( offsetColor[1], 0.0f, 1.0f );
offsetColor[2] = clamp( offsetColor[2], 0.0f, 1.0f );
pParticle->m_uchColor[0] = offsetColor[0]*255.0f;
pParticle->m_uchColor[1] = offsetColor[1]*255.0f;
pParticle->m_uchColor[2] = offsetColor[2]*255.0f;
pParticle->m_uchStartSize = m_StartSize;
pParticle->m_uchEndSize = m_EndSize;
float alpha = random->RandomFloat( m_Opacity*0.75f, m_Opacity*1.25f );
alpha = clamp( alpha, 0.0f, 1.0f );
pParticle->m_uchStartAlpha = alpha * 255;
pParticle->m_uchEndAlpha = 0;
pParticle->m_flRoll = random->RandomInt( 0, 360 );
pParticle->m_flRollDelta = random->RandomFloat( -1.0f, 1.0f );
}
}
void C_SmokeTrail::RenderParticles( CParticleRenderIterator *pIterator )
{
}
void C_SmokeTrail::SimulateParticles( CParticleSimulateIterator *pIterator )
{
}
//-----------------------------------------------------------------------------
// This is called after sending this entity's recording state
//-----------------------------------------------------------------------------
void C_SmokeTrail::CleanupToolRecordingState( KeyValues *msg )
{
if ( !ToolsEnabled() )
return;
BaseClass::CleanupToolRecordingState( msg );
// Generally, this is used to allow the entity to clean up
// allocated state it put into the message, but here we're going
// to use it to send particle system messages because we
// know the grenade has been recorded at this point
if ( !clienttools->IsInRecordingMode() || !m_pSmokeEmitter.IsValid() )
return;
// For now, we can't record smoketrails that don't have a moveparent
C_BaseEntity *pEnt = GetMoveParent();
if ( !pEnt )
return;
bool bEmitterActive = m_bEmit && ( ( m_StopEmitTime == 0 ) || ( m_StopEmitTime > gpGlobals->curtime ) );
// NOTE: Particle system destruction message will be sent by the particle effect itself.
if ( m_pSmokeEmitter->GetToolParticleEffectId() == TOOLPARTICLESYSTEMID_INVALID )
{
int nId = m_pSmokeEmitter->AllocateToolParticleEffectId();
KeyValues *msg = new KeyValues( "OldParticleSystem_Create" );
msg->SetString( "name", "C_SmokeTrail" );
msg->SetInt( "id", nId );
msg->SetFloat( "time", gpGlobals->curtime );
KeyValues *pRandomEmitter = msg->FindKey( "DmeRandomEmitter", true );
pRandomEmitter->SetInt( "count", m_SpawnRate ); // particles per second, when duration is < 0
pRandomEmitter->SetFloat( "duration", -1 );
pRandomEmitter->SetInt( "active", bEmitterActive );
KeyValues *pEmitterParent1 = pRandomEmitter->FindKey( "emitter1", true );
pEmitterParent1->SetFloat( "randomamount", 0.5f );
KeyValues *pEmitterParent2 = pRandomEmitter->FindKey( "emitter2", true );
pEmitterParent2->SetFloat( "randomamount", 0.5f );
KeyValues *pEmitter = pEmitterParent1->FindKey( "DmeSpriteEmitter", true );
pEmitter->SetString( "material", "particle/particle_smokegrenade" );
KeyValues *pInitializers = pEmitter->FindKey( "initializers", true );
// FIXME: Until we can interpolate ent logs during emission, this can't work
KeyValues *pPosition = pInitializers->FindKey( "DmePositionPointToEntityInitializer", true );
pPosition->SetPtr( "entindex", (void*)pEnt->entindex() );
pPosition->SetInt( "attachmentIndex", m_nAttachment );
pPosition->SetFloat( "randomDist", m_SpawnRadius );
pPosition->SetFloat( "startx", pEnt->GetAbsOrigin().x );
pPosition->SetFloat( "starty", pEnt->GetAbsOrigin().y );
pPosition->SetFloat( "startz", pEnt->GetAbsOrigin().z );
KeyValues *pLifetime = pInitializers->FindKey( "DmeRandomLifetimeInitializer", true );
pLifetime->SetFloat( "minLifetime", m_ParticleLifetime );
pLifetime->SetFloat( "maxLifetime", m_ParticleLifetime );
KeyValues *pVelocity = pInitializers->FindKey( "DmeAttachmentVelocityInitializer", true );
pVelocity->SetPtr( "entindex", (void*)entindex() );
pVelocity->SetFloat( "minAttachmentSpeed", m_MinDirectedSpeed );
pVelocity->SetFloat( "maxAttachmentSpeed", m_MaxDirectedSpeed );
pVelocity->SetFloat( "minRandomSpeed", m_MinSpeed );
pVelocity->SetFloat( "maxRandomSpeed", m_MaxSpeed );
KeyValues *pRoll = pInitializers->FindKey( "DmeRandomRollInitializer", true );
pRoll->SetFloat( "minRoll", 0.0f );
pRoll->SetFloat( "maxRoll", 360.0f );
KeyValues *pRollSpeed = pInitializers->FindKey( "DmeRandomRollSpeedInitializer", true );
pRollSpeed->SetFloat( "minRollSpeed", -1.0f );
pRollSpeed->SetFloat( "maxRollSpeed", 1.0f );
KeyValues *pColor = pInitializers->FindKey( "DmeRandomValueColorInitializer", true );
Color c(
clamp( m_StartColor.x * 255.0f, 0, 255 ),
clamp( m_StartColor.y * 255.0f, 0, 255 ),
clamp( m_StartColor.z * 255.0f, 0, 255 ), 255 );
pColor->SetColor( "startColor", c );
pColor->SetFloat( "minStartValueDelta", -0.2f );
pColor->SetFloat( "maxStartValueDelta", 0.2f );
pColor->SetColor( "endColor", Color( 0, 0, 0, 255 ) );
KeyValues *pAlpha = pInitializers->FindKey( "DmeRandomAlphaInitializer", true );
int nMinAlpha = 255 * m_Opacity * 0.75f;
int nMaxAlpha = 255 * m_Opacity * 1.25f;
pAlpha->SetInt( "minStartAlpha", 0 );
pAlpha->SetInt( "maxStartAlpha", 0 );
pAlpha->SetInt( "minEndAlpha", clamp( nMinAlpha, 0, 255 ) );
pAlpha->SetInt( "maxEndAlpha", clamp( nMaxAlpha, 0, 255 ) );
KeyValues *pSize = pInitializers->FindKey( "DmeRandomSizeInitializer", true );
pSize->SetFloat( "minStartSize", m_StartSize );
pSize->SetFloat( "maxStartSize", m_StartSize );
pSize->SetFloat( "minEndSize", m_EndSize );
pSize->SetFloat( "maxEndSize", m_EndSize );
KeyValues *pUpdaters = pEmitter->FindKey( "updaters", true );
pUpdaters->FindKey( "DmePositionVelocityUpdater", true );
pUpdaters->FindKey( "DmeRollUpdater", true );
KeyValues *pRollSpeedUpdater = pUpdaters->FindKey( "DmeRollSpeedAttenuateUpdater", true );
pRollSpeedUpdater->SetFloat( "attenuation", 1.0f - 8.0f / 30.0f );
pRollSpeedUpdater->SetFloat( "attenuationTme", 1.0f / 30.0f );
pRollSpeedUpdater->SetFloat( "minRollSpeed", 0.5f );
pUpdaters->FindKey( "DmeAlphaSineUpdater", true );
pUpdaters->FindKey( "DmeColorUpdater", true );
pUpdaters->FindKey( "DmeSizeUpdater", true );
KeyValues *pEmitter2 = pEmitter->MakeCopy();
pEmitter2->SetString( "material", "particle/particle_noisesphere" );
pEmitterParent2->AddSubKey( pEmitter2 );
ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, msg );
msg->deleteThis();
}
else
{
KeyValues *msg = new KeyValues( "OldParticleSystem_ActivateEmitter" );
msg->SetInt( "id", m_pSmokeEmitter->GetToolParticleEffectId() );
msg->SetInt( "emitter", 0 );
msg->SetInt( "active", bEmitterActive );
msg->SetFloat( "time", gpGlobals->curtime );
ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, msg );
msg->deleteThis();
}
}
//==================================================
// RocketTrail
//==================================================
// Expose to the particle app.
EXPOSE_PROTOTYPE_EFFECT(RocketTrail, C_RocketTrail);
// Datatable.. this can have all the smoketrail parameters when we need it to.
IMPLEMENT_CLIENTCLASS_DT(C_RocketTrail, DT_RocketTrail, RocketTrail)
RecvPropFloat(RECVINFO(m_SpawnRate)),
RecvPropVector(RECVINFO(m_StartColor)),
RecvPropVector(RECVINFO(m_EndColor)),
RecvPropFloat(RECVINFO(m_ParticleLifetime)),
RecvPropFloat(RECVINFO(m_StopEmitTime)),
RecvPropFloat(RECVINFO(m_MinSpeed)),
RecvPropFloat(RECVINFO(m_MaxSpeed)),
RecvPropFloat(RECVINFO(m_StartSize)),
RecvPropFloat(RECVINFO(m_EndSize)),
RecvPropFloat(RECVINFO(m_SpawnRadius)),
RecvPropInt(RECVINFO(m_bEmit)),
RecvPropInt(RECVINFO(m_nAttachment)),
RecvPropFloat(RECVINFO(m_Opacity)),
RecvPropInt(RECVINFO(m_bDamaged)),
RecvPropFloat(RECVINFO(m_flFlareScale)),
END_RECV_TABLE()
// ------------------------------------------------------------------------- //
// ParticleMovieExplosion
// ------------------------------------------------------------------------- //
C_RocketTrail::C_RocketTrail()
{
m_MaterialHandle[0] = NULL;
m_MaterialHandle[1] = NULL;
m_SpawnRate = 10;
m_ParticleSpawn.Init(10);
m_StartColor.Init(0.5, 0.5, 0.5);
m_EndColor.Init(0,0,0);
m_ParticleLifetime = 5;
m_StopEmitTime = 0; // No end time
m_MinSpeed = 2;
m_MaxSpeed = 4;
m_StartSize = 35;
m_EndSize = 55;
m_SpawnRadius = 2;
m_VelocityOffset.Init();
m_Opacity = 0.5f;
m_bEmit = true;
m_bDamaged = false;
m_nAttachment = -1;
m_pRocketEmitter = NULL;
m_pParticleMgr = NULL;
}
C_RocketTrail::~C_RocketTrail()
{
if ( m_pParticleMgr )
{
m_pParticleMgr->RemoveEffect( &m_ParticleEffect );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_RocketTrail::GetAimEntOrigin( IClientEntity *pAttachedTo, Vector *pAbsOrigin, QAngle *pAbsAngles )
{
C_BaseEntity *pEnt = pAttachedTo->GetBaseEntity();
if (pEnt && (m_nAttachment > 0))
{
pEnt->GetAttachment( m_nAttachment, *pAbsOrigin, *pAbsAngles );
}
else
{
BaseClass::GetAimEntOrigin( pAttachedTo, pAbsOrigin, pAbsAngles );
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : bEmit -
//-----------------------------------------------------------------------------
void C_RocketTrail::SetEmit(bool bEmit)
{
m_bEmit = bEmit;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : rate -
//-----------------------------------------------------------------------------
void C_RocketTrail::SetSpawnRate(float rate)
{
m_SpawnRate = rate;
m_ParticleSpawn.Init(rate);
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : bnewentity -
//-----------------------------------------------------------------------------
void C_RocketTrail::OnDataChanged(DataUpdateType_t updateType)
{
C_BaseEntity::OnDataChanged(updateType);
if ( updateType == DATA_UPDATE_CREATED )
{
Start( ParticleMgr(), NULL );
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pParticleMgr -
// *pArgs -
//-----------------------------------------------------------------------------
void C_RocketTrail::Start( CParticleMgr *pParticleMgr, IPrototypeArgAccess *pArgs )
{
if(!pParticleMgr->AddEffect( &m_ParticleEffect, this ))
return;
m_pParticleMgr = pParticleMgr;
m_pRocketEmitter = CRocketTrailParticle::Create("smokeTrail");
if ( !m_pRocketEmitter )
{
Assert( false );
return;
}
m_pRocketEmitter->SetSortOrigin( GetAbsOrigin() );
m_pRocketEmitter->SetNearClip( 64.0f, 128.0f );
m_MaterialHandle[0] = g_Mat_DustPuff[0];
m_MaterialHandle[1] = g_Mat_DustPuff[1];
m_ParticleSpawn.Init( m_SpawnRate );
m_vecLastPosition = GetAbsOrigin();
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : fTimeDelta -
//-----------------------------------------------------------------------------
void C_RocketTrail::Update( float fTimeDelta )
{
if ( !m_pRocketEmitter )
return;
if ( gpGlobals->frametime == 0.0f )
return;
CSmartPtr<CSimpleEmitter> pSimple = CSimpleEmitter::Create( "MuzzleFlash" );
pSimple->SetSortOrigin( GetAbsOrigin() );
SimpleParticle *pParticle;
Vector forward, offset;
AngleVectors( GetAbsAngles(), &forward );
forward.Negate();
float flScale = random->RandomFloat( m_flFlareScale-0.5f, m_flFlareScale+0.5f );
//
// Flash
//
int i;
for ( i = 1; i < 9; i++ )
{
offset = GetAbsOrigin() + (forward * (i*2.0f*m_flFlareScale));
pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), pSimple->GetPMaterial( VarArgs( "effects/muzzleflash%d", random->RandomInt(1,4) ) ), offset );
if ( pParticle == NULL )
return;
pParticle->m_flLifetime = 0.0f;
pParticle->m_flDieTime = 0.01f;
pParticle->m_vecVelocity.Init();
pParticle->m_uchColor[0] = 255;
pParticle->m_uchColor[1] = 255;
pParticle->m_uchColor[2] = 255;
pParticle->m_uchStartAlpha = 255;
pParticle->m_uchEndAlpha = 128;
pParticle->m_uchStartSize = (random->RandomFloat( 5.0f, 6.0f ) * (12-(i))/9) * flScale;
pParticle->m_uchEndSize = pParticle->m_uchStartSize;
pParticle->m_flRoll = random->RandomInt( 0, 360 );
pParticle->m_flRollDelta = 0.0f;
}
// Add new particles (undamaged version)
if ( m_bEmit )
{
Vector moveDiff = GetAbsOrigin() - m_vecLastPosition;
float moveLength = VectorNormalize( moveDiff );
int numPuffs = moveLength / ( m_StartSize / 2.0f );
//debugoverlay->AddLineOverlay( m_vecLastPosition, GetAbsOrigin(), 255, 0, 0, true, 2.0f );
//FIXME: More rational cap here, perhaps
if ( numPuffs > 50 )
numPuffs = 50;
Vector offsetColor;
float step = moveLength / numPuffs;
//Fill in the gaps
for ( i = 1; i < numPuffs+1; i++ )
{
offset = m_vecLastPosition + ( moveDiff * step * i );
//debugoverlay->AddBoxOverlay( offset, -Vector(2,2,2), Vector(2,2,2), vec3_angle, i*4, i*4, i*4, true, 4.0f );
pParticle = (SimpleParticle *) m_pRocketEmitter->AddParticle( sizeof( SimpleParticle ), m_MaterialHandle[random->RandomInt(0,1)], offset );
if ( pParticle != NULL )
{
pParticle->m_flLifetime = 0.0f;
pParticle->m_flDieTime = m_ParticleLifetime + random->RandomFloat(m_ParticleLifetime*0.9f,m_ParticleLifetime*1.1f);
pParticle->m_vecVelocity.Random( -1.0f, 1.0f );
pParticle->m_vecVelocity *= random->RandomFloat( m_MinSpeed, m_MaxSpeed );
offsetColor = m_StartColor * random->RandomFloat( 0.75f, 1.25f );
offsetColor[0] = clamp( offsetColor[0], 0.0f, 1.0f );
offsetColor[1] = clamp( offsetColor[1], 0.0f, 1.0f );
offsetColor[2] = clamp( offsetColor[2], 0.0f, 1.0f );
pParticle->m_uchColor[0] = offsetColor[0]*255.0f;
pParticle->m_uchColor[1] = offsetColor[1]*255.0f;
pParticle->m_uchColor[2] = offsetColor[2]*255.0f;
pParticle->m_uchStartSize = m_StartSize * random->RandomFloat( 0.75f, 1.25f );
pParticle->m_uchEndSize = m_EndSize * random->RandomFloat( 1.0f, 1.25f );
float alpha = random->RandomFloat( m_Opacity*0.75f, m_Opacity*1.25f );
if ( alpha > 1.0f )
alpha = 1.0f;
if ( alpha < 0.0f )
alpha = 0.0f;
pParticle->m_uchStartAlpha = alpha * 255;
pParticle->m_uchEndAlpha = 0;
pParticle->m_flRoll = random->RandomInt( 0, 360 );
pParticle->m_flRollDelta = random->RandomFloat( -8.0f, 8.0f );
}
}
}
if ( m_bDamaged )
{
SimpleParticle *pParticle;
Vector offset;
Vector offsetColor;
CSmartPtr<CEmberEffect> pEmitter = CEmberEffect::Create("C_RocketTrail::damaged");
pEmitter->SetSortOrigin( GetAbsOrigin() );
PMaterialHandle flameMaterial = m_pRocketEmitter->GetPMaterial( VarArgs( "sprites/flamelet%d", random->RandomInt( 1, 4 ) ) );
// Flames from the rocket
for ( i = 0; i < 8; i++ )
{
offset = RandomVector( -8, 8 ) + GetAbsOrigin();
pParticle = (SimpleParticle *) pEmitter->AddParticle( sizeof( SimpleParticle ), flameMaterial, offset );
if ( pParticle != NULL )
{
pParticle->m_flLifetime = 0.0f;
pParticle->m_flDieTime = 0.25f;
pParticle->m_vecVelocity.Random( -1.0f, 1.0f );
pParticle->m_vecVelocity *= random->RandomFloat( 32, 128 );
offsetColor = m_StartColor * random->RandomFloat( 0.75f, 1.25f );
offsetColor[0] = clamp( offsetColor[0], 0.0f, 1.0f );
offsetColor[1] = clamp( offsetColor[1], 0.0f, 1.0f );
offsetColor[2] = clamp( offsetColor[2], 0.0f, 1.0f );
pParticle->m_uchColor[0] = offsetColor[0]*255.0f;
pParticle->m_uchColor[1] = offsetColor[1]*255.0f;
pParticle->m_uchColor[2] = offsetColor[2]*255.0f;
pParticle->m_uchStartSize = 8.0f;
pParticle->m_uchEndSize = 32.0f;
pParticle->m_uchStartAlpha = 255;
pParticle->m_uchEndAlpha = 0;
pParticle->m_flRoll = random->RandomInt( 0, 360 );
pParticle->m_flRollDelta = random->RandomFloat( -8.0f, 8.0f );
}
}
}
m_vecLastPosition = GetAbsOrigin();
}
void C_RocketTrail::RenderParticles( CParticleRenderIterator *pIterator )
{
}
void C_RocketTrail::SimulateParticles( CParticleSimulateIterator *pIterator )
{
}
SporeEffect::SporeEffect( const char *pDebugName ) : CSimpleEmitter( pDebugName )
{
}
SporeEffect* SporeEffect::Create( const char *pDebugName )
{
return new SporeEffect( pDebugName );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : fTimeDelta -
// Output : Vector
//-----------------------------------------------------------------------------
void SporeEffect::UpdateVelocity( SimpleParticle *pParticle, float timeDelta )
{
float speed = VectorNormalize( pParticle->m_vecVelocity );
Vector offset;
speed -= ( 64.0f * timeDelta );
offset.Random( -0.5f, 0.5f );
pParticle->m_vecVelocity += offset;
VectorNormalize( pParticle->m_vecVelocity );
pParticle->m_vecVelocity *= speed;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pParticle -
// timeDelta -
//-----------------------------------------------------------------------------
Vector SporeEffect::UpdateColor( const SimpleParticle *pParticle )
{
Vector color;
float ramp = ((float)pParticle->m_uchStartAlpha/255.0f) * sin( M_PI * (pParticle->m_flLifetime / pParticle->m_flDieTime) );//1.0f - ( pParticle->m_flLifetime / pParticle->m_flDieTime );
color[0] = ( (float) pParticle->m_uchColor[0] * ramp ) / 255.0f;
color[1] = ( (float) pParticle->m_uchColor[1] * ramp ) / 255.0f;
color[2] = ( (float) pParticle->m_uchColor[2] * ramp ) / 255.0f;
return color;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pParticle -
// timeDelta -
// Output : float
//-----------------------------------------------------------------------------
float SporeEffect::UpdateAlpha( const SimpleParticle *pParticle )
{
return ( ((float)pParticle->m_uchStartAlpha/255.0f) * sin( M_PI * (pParticle->m_flLifetime / pParticle->m_flDieTime) ) );
}
//==================================================
// C_SporeExplosion
//==================================================
EXPOSE_PROTOTYPE_EFFECT( SporeExplosion, C_SporeExplosion );
IMPLEMENT_CLIENTCLASS_DT( C_SporeExplosion, DT_SporeExplosion, SporeExplosion )
RecvPropFloat(RECVINFO(m_flSpawnRate)),
RecvPropFloat(RECVINFO(m_flParticleLifetime)),
RecvPropFloat(RECVINFO(m_flStartSize)),
RecvPropFloat(RECVINFO(m_flEndSize)),
RecvPropFloat(RECVINFO(m_flSpawnRadius)),
RecvPropBool(RECVINFO(m_bEmit)),
RecvPropBool(RECVINFO(m_bDontRemove)),
END_RECV_TABLE()
C_SporeExplosion::C_SporeExplosion( void )
{
m_pParticleMgr = NULL;
m_flSpawnRate = 32;
m_flParticleLifetime = 5;
m_flStartSize = 32;
m_flEndSize = 64;
m_flSpawnRadius = 32;
m_pSporeEffect = NULL;
m_teParticleSpawn.Init( 32 );
m_bEmit = true;
m_bDontRemove = false;
}
C_SporeExplosion::~C_SporeExplosion()
{
if ( m_pParticleMgr != NULL )
{
m_pParticleMgr->RemoveEffect( &m_ParticleEffect );
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : bnewentity -
//-----------------------------------------------------------------------------
void C_SporeExplosion::OnDataChanged( DataUpdateType_t updateType )
{
C_BaseEntity::OnDataChanged( updateType );
if ( updateType == DATA_UPDATE_CREATED )
{
m_flPreviousSpawnRate = m_flSpawnRate;
m_teParticleSpawn.Init( m_flSpawnRate );
Start( ParticleMgr(), NULL );
}
else if( m_bEmit )
{
// Just been turned on by the server.
m_flPreviousSpawnRate = m_flSpawnRate;
m_teParticleSpawn.Init( m_flSpawnRate );
}
m_pSporeEffect->SetDontRemove( m_bDontRemove );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pParticleMgr -
// *pArgs -
//-----------------------------------------------------------------------------
void C_SporeExplosion::Start( CParticleMgr *pParticleMgr, IPrototypeArgAccess *pArgs )
{
//Add us into the effect manager
if( pParticleMgr->AddEffect( &m_ParticleEffect, this ) == false )
return;
//Create our main effect
m_pSporeEffect = SporeEffect::Create( "C_SporeExplosion" );
if ( m_pSporeEffect == NULL )
return;
m_hMaterial = m_pSporeEffect->GetPMaterial( "particle/fire" );
m_pSporeEffect->SetSortOrigin( GetAbsOrigin() );
m_pSporeEffect->SetNearClip( 64, 128 );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_SporeExplosion::AddParticles( void )
{
//Spores
Vector offset;
Vector dir;
//Get our direction
AngleVectors( GetAbsAngles(), &dir );
SimpleParticle *sParticle;
for ( int i = 0; i < 4; i++ )
{
//Add small particle to the effect's origin
offset.Random( -m_flSpawnRadius, m_flSpawnRadius );
sParticle = (SimpleParticle *) m_pSporeEffect->AddParticle( sizeof(SimpleParticle), m_hMaterial, GetAbsOrigin()+offset );
if ( sParticle == NULL )
return;
sParticle->m_flLifetime = 0.0f;
sParticle->m_flDieTime = 2.0f;
sParticle->m_flRoll = 0;
sParticle->m_flRollDelta = 0;
sParticle->m_uchColor[0] = 225;
sParticle->m_uchColor[1] = 140;
sParticle->m_uchColor[2] = 64;
sParticle->m_uchStartAlpha = Helper_RandomInt( 128, 255 );
sParticle->m_uchEndAlpha = 0;
sParticle->m_uchStartSize = Helper_RandomInt( 1, 2 );
sParticle->m_uchEndSize = 1;
sParticle->m_vecVelocity = dir * Helper_RandomFloat( 128.0f, 256.0f );
}
//Add smokey bits
offset.Random( -(m_flSpawnRadius * 0.5), (m_flSpawnRadius * 0.5) );
sParticle = (SimpleParticle *) m_pSporeEffect->AddParticle( sizeof(SimpleParticle), g_Mat_DustPuff[1], GetAbsOrigin()+offset );
if ( sParticle == NULL )
return;
sParticle->m_flLifetime = 0.0f;
sParticle->m_flDieTime = 1.0f;
sParticle->m_flRoll = Helper_RandomFloat( 0, 360 );
sParticle->m_flRollDelta = Helper_RandomFloat( -2.0f, 2.0f );
sParticle->m_uchColor[0] = 225;
sParticle->m_uchColor[1] = 140;
sParticle->m_uchColor[2] = 64;
sParticle->m_uchStartAlpha = Helper_RandomInt( 32, 64 );
sParticle->m_uchEndAlpha = 0;
sParticle->m_uchStartSize = m_flStartSize;
sParticle->m_uchEndSize = m_flEndSize;
sParticle->m_vecVelocity = dir * Helper_RandomFloat( 64.0f, 128.0f );
}
ConVar cl_sporeclipdistance( "cl_sporeclipdistance", "512", FCVAR_CHEAT | FCVAR_CLIENTDLL );
//-----------------------------------------------------------------------------
// Purpose:
// Input : fTimeDelta -
//-----------------------------------------------------------------------------
void C_SporeExplosion::Update( float fTimeDelta )
{
if( m_bEmit )
{
int nSlot = GET_ACTIVE_SPLITSCREEN_SLOT();
float tempDelta = fTimeDelta;
float flDist = (MainViewOrigin(nSlot) - GetAbsOrigin()).Length();
//Lower the spawnrate by half if we're far away from it.
if ( cl_sporeclipdistance.GetFloat() <= flDist )
{
if ( m_flSpawnRate == m_flPreviousSpawnRate )
{
m_flPreviousSpawnRate = m_flSpawnRate * 0.5f;
m_teParticleSpawn.ResetRate( m_flPreviousSpawnRate );
}
}
else
{
if ( m_flSpawnRate != m_flPreviousSpawnRate )
{
m_flPreviousSpawnRate = m_flSpawnRate;
m_teParticleSpawn.ResetRate( m_flPreviousSpawnRate );
}
}
while ( m_teParticleSpawn.NextEvent( tempDelta ) )
{
AddParticles();
}
}
}
void C_SporeExplosion::SimulateParticles( CParticleSimulateIterator *pIterator )
{
StandardParticle_t *pParticle = (StandardParticle_t*)pIterator->GetFirst();
while ( pParticle )
{
pParticle->m_Lifetime += pIterator->GetTimeDelta();
if( pParticle->m_Lifetime > m_flParticleLifetime )
{
pIterator->RemoveParticle( pParticle );
}
pParticle = (StandardParticle_t*)pIterator->GetNext();
}
}
void C_SporeExplosion::RenderParticles( CParticleRenderIterator *pIterator )
{
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void RPGShotDownCallback( const CEffectData &data )
{
CLocalPlayerFilter filter;
C_BaseEntity::EmitSound( filter, SOUND_FROM_WORLD, "Missile.ShotDown", &data.m_vOrigin );
if ( CExplosionOverlay *pOverlay = new CExplosionOverlay )
{
pOverlay->m_flLifetime = 0;
pOverlay->m_vPos = data.m_vOrigin;
pOverlay->m_nSprites = 1;
pOverlay->m_vBaseColors[0].Init( 1.0f, 0.9f, 0.7f );
pOverlay->m_Sprites[0].m_flHorzSize = 0.01f;
pOverlay->m_Sprites[0].m_flVertSize = pOverlay->m_Sprites[0].m_flHorzSize*0.5f;
pOverlay->Activate();
}
}
DECLARE_CLIENT_EFFECT_BEGIN( RPGShotDown, RPGShotDownCallback )
PRECACHE( GAMESOUND, "Missile.ShotDown" )
DECLARE_CLIENT_EFFECT_END()
//==================================================
// C_SporeTrail
//==================================================
class C_SporeTrail : public C_BaseParticleEntity
{
public:
DECLARE_CLASS( C_SporeTrail, C_BaseParticleEntity );
DECLARE_CLIENTCLASS();
C_SporeTrail( void );
virtual ~C_SporeTrail( void );
public:
void SetEmit( bool bEmit );
// C_BaseEntity
public:
virtual void OnDataChanged( DataUpdateType_t updateType );
virtual void GetAimEntOrigin( IClientEntity *pAttachedTo, Vector *pAbsOrigin, QAngle *pAbsAngles );
// IPrototypeAppEffect
public:
virtual void Start( CParticleMgr *pParticleMgr, IPrototypeArgAccess *pArgs );
// IParticleEffect
public:
virtual void Update( float fTimeDelta );
virtual void RenderParticles( CParticleRenderIterator *pIterator );
virtual void SimulateParticles( CParticleSimulateIterator *pIterator );
virtual void StartRender( VMatrix &effectMatrix );
public:
Vector m_vecEndColor;
float m_flSpawnRate;
float m_flParticleLifetime;
float m_flStartSize;
float m_flEndSize;
float m_flSpawnRadius;
Vector m_vecVelocityOffset;
bool m_bEmit;
private:
C_SporeTrail( const C_SporeTrail & );
void AddParticles( void );
PMaterialHandle m_hMaterial;
TimedEvent m_teParticleSpawn;
//CSmartPtr<SporeSmokeEffect> m_pSmokeEffect;
Vector m_vecPos;
Vector m_vecLastPos; // This is stored so we can spawn particles in between the previous and new position
// to eliminate holes in the trail.
VMatrix m_mAttachmentMatrix;
CParticleMgr *m_pParticleMgr;
};
//==================================================
// C_SporeTrail
//==================================================
IMPLEMENT_CLIENTCLASS_DT( C_SporeTrail, DT_SporeTrail, SporeTrail )
RecvPropFloat(RECVINFO(m_flSpawnRate)),
RecvPropVector(RECVINFO(m_vecEndColor)),
RecvPropFloat(RECVINFO(m_flParticleLifetime)),
RecvPropFloat(RECVINFO(m_flStartSize)),
RecvPropFloat(RECVINFO(m_flEndSize)),
RecvPropFloat(RECVINFO(m_flSpawnRadius)),
RecvPropInt(RECVINFO(m_bEmit)),
END_RECV_TABLE()
C_SporeTrail::C_SporeTrail( void )
{
m_pParticleMgr = NULL;
//m_pSmokeEffect = SporeSmokeEffect::Create( "C_SporeTrail" );
m_flSpawnRate = 10;
m_flParticleLifetime = 5;
m_flStartSize = 35;
m_flEndSize = 55;
m_flSpawnRadius = 2;
m_teParticleSpawn.Init( 5 );
m_vecEndColor.Init();
m_vecPos.Init();
m_vecLastPos.Init();
m_vecVelocityOffset.Init();
m_bEmit = true;
}
C_SporeTrail::~C_SporeTrail()
{
if( m_pParticleMgr )
{
m_pParticleMgr->RemoveEffect( &m_ParticleEffect );
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : bEmit -
//-----------------------------------------------------------------------------
void C_SporeTrail::SetEmit( bool bEmit )
{
m_bEmit = bEmit;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : bnewentity -
//-----------------------------------------------------------------------------
void C_SporeTrail::OnDataChanged( DataUpdateType_t updateType )
{
C_BaseEntity::OnDataChanged( updateType );
if ( updateType == DATA_UPDATE_CREATED )
{
Start( ParticleMgr(), NULL );
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pParticleMgr -
// *pArgs -
//-----------------------------------------------------------------------------
void C_SporeTrail::Start( CParticleMgr *pParticleMgr, IPrototypeArgAccess *pArgs )
{
if( pParticleMgr->AddEffect( &m_ParticleEffect, this ) == false )
return;
m_hMaterial = g_Mat_DustPuff[1];
m_pParticleMgr = pParticleMgr;
m_teParticleSpawn.Init( 64 );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_SporeTrail::AddParticles( void )
{
Vector offset = RandomVector( -4.0f, 4.0f );
//Make a new particle
SimpleParticle *sParticle = (SimpleParticle *) m_ParticleEffect.AddParticle( sizeof(SimpleParticle), m_hMaterial );//m_pSmokeEffect->AddParticle( sizeof(SimpleParticle), m_hMaterial, GetAbsOrigin()+offset );
if ( sParticle == NULL )
return;
sParticle->m_Pos = offset;
sParticle->m_flRoll = Helper_RandomInt( 0, 360 );
sParticle->m_flRollDelta = Helper_RandomFloat( -2.0f, 2.0f );
sParticle->m_flLifetime = 0.0f;
sParticle->m_flDieTime = 0.5f;
sParticle->m_uchColor[0] = 225;
sParticle->m_uchColor[1] = 140;
sParticle->m_uchColor[2] = 64;
sParticle->m_uchStartAlpha = Helper_RandomInt( 64, 128 );
sParticle->m_uchEndAlpha = 0;
sParticle->m_uchStartSize = 1.0f;
sParticle->m_uchEndSize = 1.0f;
sParticle->m_vecVelocity = RandomVector( -8.0f, 8.0f );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : fTimeDelta -
//-----------------------------------------------------------------------------
void C_SporeTrail::Update( float fTimeDelta )
{
if ( m_pParticleMgr == NULL )
return;
//Add new particles
if ( m_bEmit )
{
float tempDelta = fTimeDelta;
while ( m_teParticleSpawn.NextEvent( tempDelta ) )
{
AddParticles();
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : &effectMatrix -
//-----------------------------------------------------------------------------
void C_SporeTrail::StartRender( VMatrix &effectMatrix )
{
effectMatrix = effectMatrix * m_mAttachmentMatrix;
}
void C_SporeTrail::RenderParticles( CParticleRenderIterator *pIterator )
{
if ( m_bEmit == false )
return;
const SimpleParticle *pParticle = (const SimpleParticle*)pIterator->GetFirst();
while ( pParticle )
{
//Render
Vector tPos;
TransformParticle( m_pParticleMgr->GetModelView(), pParticle->m_Pos, tPos );
float sortKey = tPos.z;
Vector color = Vector( 1.0f, 1.0f, 1.0f );
//Render it
RenderParticle_ColorSize(
pIterator->GetParticleDraw(),
tPos,
color,
1.0f,
4 );
pParticle = (const SimpleParticle*)pIterator->GetNext( sortKey );
}
}
void C_SporeTrail::SimulateParticles( CParticleSimulateIterator *pIterator )
{
if ( m_bEmit == false )
return;
SimpleParticle *pParticle = (SimpleParticle*)pIterator->GetFirst();
while ( pParticle )
{
//UpdateVelocity( pParticle, timeDelta );
pParticle->m_Pos += pParticle->m_vecVelocity * pIterator->GetTimeDelta();
//Should this particle die?
pParticle->m_flLifetime += pIterator->GetTimeDelta();
if ( pParticle->m_flLifetime >= pParticle->m_flDieTime )
{
pIterator->RemoveParticle( pParticle );
}
pParticle = (SimpleParticle*)pIterator->GetNext();
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_SporeTrail::GetAimEntOrigin( IClientEntity *pAttachedTo, Vector *pAbsOrigin, QAngle *pAbsAngles )
{
C_BaseEntity *pEnt = pAttachedTo->GetBaseEntity();
pEnt->GetAttachment( 1, *pAbsOrigin, *pAbsAngles );
matrix3x4_t matrix;
AngleMatrix( *pAbsAngles, *pAbsOrigin, matrix );
m_mAttachmentMatrix = matrix;
}
//==================================================
// FireTrailhou
//==================================================
// Datatable.. this can have all the smoketrail parameters when we need it to.
IMPLEMENT_CLIENTCLASS_DT(C_FireTrail, DT_FireTrail, CFireTrail)
RecvPropInt(RECVINFO(m_nAttachment)),
RecvPropFloat(RECVINFO(m_flLifetime)),
END_RECV_TABLE()
// ------------------------------------------------------------------------- //
// ParticleMovieExplosion
// ------------------------------------------------------------------------- //
C_FireTrail::C_FireTrail()
{
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
C_FireTrail::~C_FireTrail( void )
{
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pParticleMgr -
// *pArgs -
//-----------------------------------------------------------------------------
void C_FireTrail::Start( CParticleMgr *pParticleMgr, IPrototypeArgAccess *pArgs )
{
BaseClass::Start( pParticleMgr, pArgs );
m_pTrailEmitter = CSimpleEmitter::Create( "FireTrail" );
if ( !m_pTrailEmitter )
{
Assert( false );
return;
}
m_pTrailEmitter->SetSortOrigin( GetAbsOrigin() );
// Setup our materials
m_hMaterial[FTRAIL_SMOKE1] = g_Mat_DustPuff[0];
m_hMaterial[FTRAIL_SMOKE2] = g_Mat_DustPuff[1];
m_hMaterial[FTRAIL_FLAME1] = m_pTrailEmitter->GetPMaterial( "sprites/flamelet1" );
m_hMaterial[FTRAIL_FLAME2] = m_pTrailEmitter->GetPMaterial( "sprites/flamelet2" );
m_hMaterial[FTRAIL_FLAME3] = m_pTrailEmitter->GetPMaterial( "sprites/flamelet3" );
m_hMaterial[FTRAIL_FLAME4] = m_pTrailEmitter->GetPMaterial( "sprites/flamelet4" );
m_hMaterial[FTRAIL_FLAME5] = m_pTrailEmitter->GetPMaterial( "sprites/flamelet5" );
// Setup our smoke emitter
m_pSmokeEmitter = CSmokeParticle::Create( "FireTrail_Smoke" );
m_pSmokeEmitter->SetSortOrigin( GetAbsOrigin() );
m_pSmokeEmitter->SetNearClip( 64.0f, 128.0f );
if ( !m_pSmokeEmitter )
{
Assert( false );
return;
}
// Seed our first position as the last known one
m_vecLastPosition = GetAbsOrigin();
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : fTimeDelta -
//-----------------------------------------------------------------------------
void C_FireTrail::Update( float fTimeDelta )
{
if ( !m_pTrailEmitter )
return;
if ( ( m_flLifetime != 0 ) && ( m_flLifetime <= gpGlobals->curtime ) )
return;
CSmartPtr<CSimpleEmitter> pSimple = CSimpleEmitter::Create( "FireTrail" );
pSimple->SetSortOrigin( GetAbsOrigin() );
Vector offset;
#define STARTSIZE 8
#define ENDSIZE 16
#define PARTICLE_LIFETIME 0.075f
#define MIN_SPEED 32
#define MAX_SPEED 64
// Add new particles
//if ( ShouldEmit() )
{
Vector moveDiff = GetAbsOrigin() - m_vecLastPosition;
float moveLength = VectorNormalize( moveDiff );
int numPuffs = moveLength / ( STARTSIZE / 2.0f );
//FIXME: More rational cap here, perhaps
numPuffs = clamp( numPuffs, 1, 32 );
SimpleParticle *pParticle;
Vector offset;
Vector offsetColor;
float step = moveLength / numPuffs;
//Fill in the gaps
for ( int i = 1; i < numPuffs+1; i++ )
{
offset = m_vecLastPosition + ( moveDiff * step * i ) + RandomVector( -4.0f, 4.0f );
//debugoverlay->AddBoxOverlay( offset, -Vector(2,2,2), Vector(2,2,2), vec3_angle, i*4, i*4, i*4, true, 1.0f );
pParticle = (SimpleParticle *) m_pSmokeEmitter->AddParticle( sizeof( SimpleParticle ), m_hMaterial[random->RandomInt( FTRAIL_FLAME1,FTRAIL_FLAME5 )], offset );
if ( pParticle != NULL )
{
pParticle->m_flLifetime = 0.0f;
pParticle->m_flDieTime = /*PARTICLE_LIFETIME*/ 0.5f;// + random->RandomFloat(PARTICLE_LIFETIME*0.75f, PARTICLE_LIFETIME*1.25f);
pParticle->m_vecVelocity.Random( 0.0f, 1.0f );
pParticle->m_vecVelocity *= random->RandomFloat( MIN_SPEED, MAX_SPEED );
pParticle->m_vecVelocity[2] += 50;//random->RandomFloat( 32, 64 );
pParticle->m_uchColor[0] = 255.0f;
pParticle->m_uchColor[1] = 255.0f;
pParticle->m_uchColor[2] = 255.0f;
pParticle->m_uchStartSize = STARTSIZE * 2.0f;
pParticle->m_uchEndSize = STARTSIZE * 0.5f;
pParticle->m_uchStartAlpha = 255;
pParticle->m_uchEndAlpha = 0;
pParticle->m_flRoll = 0.0f;//random->RandomInt( 0, 360 );
pParticle->m_flRollDelta = random->RandomFloat( -16.0f, 16.0f );
}
}
//
// Smoke
//
offset = RandomVector( -STARTSIZE*0.5f, STARTSIZE*0.5f ) + GetAbsOrigin();
pParticle = (SimpleParticle *) m_pSmokeEmitter->AddParticle( sizeof( SimpleParticle ), m_hMaterial[random->RandomInt( FTRAIL_SMOKE1, FTRAIL_SMOKE2 )], offset );
if ( pParticle != NULL )
{
pParticle->m_flLifetime = 0.0f;
pParticle->m_flDieTime = ( PARTICLE_LIFETIME * 10.0f ) + random->RandomFloat(PARTICLE_LIFETIME*0.75f, PARTICLE_LIFETIME*1.25f);
pParticle->m_vecVelocity.Random( 0.0f, 1.0f );
pParticle->m_vecVelocity *= random->RandomFloat( MIN_SPEED, MAX_SPEED );
pParticle->m_vecVelocity[2] += random->RandomFloat( 50, 100 );
pParticle->m_uchColor[0] = 255.0f * 0.5f;
pParticle->m_uchColor[1] = 245.0f * 0.5f;
pParticle->m_uchColor[2] = 205.0f * 0.5f;
pParticle->m_uchStartSize = 16 * random->RandomFloat( 0.75f, 1.25f );
pParticle->m_uchEndSize = pParticle->m_uchStartSize * 2.5f;
pParticle->m_uchStartAlpha = 64;
pParticle->m_uchEndAlpha = 0;
pParticle->m_flRoll = random->RandomInt( 0, 360 );
pParticle->m_flRollDelta = random->RandomFloat( -16.0f, 16.0f );
}
}
// Save off this position
m_vecLastPosition = GetAbsOrigin();
}
// Datatable.. this can have all the smoketrail parameters when we need it to.
IMPLEMENT_CLIENTCLASS_DT(C_DustTrail, DT_DustTrail, DustTrail)
RecvPropFloat(RECVINFO(m_SpawnRate)),
RecvPropVector(RECVINFO(m_Color)),
RecvPropFloat(RECVINFO(m_ParticleLifetime)),
RecvPropFloat(RECVINFO(m_StopEmitTime)),
RecvPropFloat(RECVINFO(m_MinSpeed)),
RecvPropFloat(RECVINFO(m_MaxSpeed)),
RecvPropFloat(RECVINFO(m_MinDirectedSpeed)),
RecvPropFloat(RECVINFO(m_MaxDirectedSpeed)),
RecvPropFloat(RECVINFO(m_StartSize)),
RecvPropFloat(RECVINFO(m_EndSize)),
RecvPropFloat(RECVINFO(m_SpawnRadius)),
RecvPropInt(RECVINFO(m_bEmit)),
RecvPropFloat(RECVINFO(m_Opacity)),
END_RECV_TABLE()
// ------------------------------------------------------------------------- //
// ParticleMovieExplosion
// ------------------------------------------------------------------------- //
C_DustTrail::C_DustTrail()
{
for (int i = 0; i < DUSTTRAIL_MATERIALS; i++)
{
m_MaterialHandle[i] = NULL;
}
m_SpawnRate = 10;
m_ParticleSpawn.Init(10);
m_Color.Init(0.5, 0.5, 0.5);
m_ParticleLifetime = 5;
m_StartEmitTime = gpGlobals->curtime;
m_StopEmitTime = 0; // No end time
m_MinSpeed = 2;
m_MaxSpeed = 4;
m_MinDirectedSpeed = m_MaxDirectedSpeed = 0;
m_StartSize = 35;
m_EndSize = 55;
m_SpawnRadius = 2;
m_VelocityOffset.Init();
m_Opacity = 0.5f;
m_bEmit = true;
m_pDustEmitter = NULL;
m_pParticleMgr = NULL;
}
C_DustTrail::~C_DustTrail()
{
if ( ToolsEnabled() && clienttools->IsInRecordingMode() && m_pDustEmitter.IsValid() && m_pDustEmitter->GetToolParticleEffectId() != TOOLPARTICLESYSTEMID_INVALID )
{
KeyValues *msg = new KeyValues( "OldParticleSystem_ActivateEmitter" );
msg->SetInt( "id", m_pDustEmitter->GetToolParticleEffectId() );
msg->SetInt( "emitter", 0 );
msg->SetInt( "active", false );
msg->SetFloat( "time", gpGlobals->curtime );
ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, msg );
msg->deleteThis();
}
if ( m_pParticleMgr )
{
m_pParticleMgr->RemoveEffect( &m_ParticleEffect );
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : bEmit -
//-----------------------------------------------------------------------------
void C_DustTrail::SetEmit(bool bEmit)
{
m_bEmit = bEmit;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : rate -
//-----------------------------------------------------------------------------
void C_DustTrail::SetSpawnRate(float rate)
{
m_SpawnRate = rate;
m_ParticleSpawn.Init(rate);
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : bnewentity -
//-----------------------------------------------------------------------------
void C_DustTrail::OnDataChanged(DataUpdateType_t updateType)
{
C_BaseEntity::OnDataChanged(updateType);
if ( updateType == DATA_UPDATE_CREATED )
{
Start( ParticleMgr(), NULL );
}
}
// FIXME: These all have to be moved out of this old system and into the new to leverage art assets!
PRECACHE_REGISTER_BEGIN( GLOBAL, PrecacheEffectDusttrail )
PRECACHE( MATERIAL, "particle/smokesprites_0001" )
/*
PRECACHE( MATERIAL, "particle/smokesprites_0002" )
PRECACHE( MATERIAL, "particle/smokesprites_0003" )
PRECACHE( MATERIAL, "particle/smokesprites_0004" )
PRECACHE( MATERIAL, "particle/smokesprites_0005" )
PRECACHE( MATERIAL, "particle/smokesprites_0006" )
PRECACHE( MATERIAL, "particle/smokesprites_0007" )
PRECACHE( MATERIAL, "particle/smokesprites_0008" )
PRECACHE( MATERIAL, "particle/smokesprites_0009" )
PRECACHE( MATERIAL, "particle/smokesprites_0010" )
PRECACHE( MATERIAL, "particle/smokesprites_0011" )
PRECACHE( MATERIAL, "particle/smokesprites_0012" )
PRECACHE( MATERIAL, "particle/smokesprites_0013" )
PRECACHE( MATERIAL, "particle/smokesprites_0014" )
PRECACHE( MATERIAL, "particle/smokesprites_0015" )
PRECACHE( MATERIAL, "particle/smokesprites_0016" )
*/
PRECACHE_REGISTER_END()
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pParticleMgr -
// *pArgs -
//-----------------------------------------------------------------------------
void C_DustTrail::Start( CParticleMgr *pParticleMgr, IPrototypeArgAccess *pArgs )
{
if(!pParticleMgr->AddEffect( &m_ParticleEffect, this ))
return;
m_pParticleMgr = pParticleMgr;
m_pDustEmitter = CDustFollower::Create("DustTrail");
if ( !m_pDustEmitter )
{
Assert( false );
return;
}
m_pDustEmitter->SetSortOrigin( GetAbsOrigin() );
m_pDustEmitter->SetNearClip( 64.0f, 128.0f );
for (int i = 0; i < DUSTTRAIL_MATERIALS; i++)
{
//char name[256];
//Q_snprintf( name, sizeof( name ), "particle/smokesprites_%04d", i + 1 );
m_MaterialHandle[i] = m_pDustEmitter->GetPMaterial( "particle/smokesprites_0001" );
}
m_ParticleSpawn.Init( m_SpawnRate );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : fTimeDelta -
//-----------------------------------------------------------------------------
void C_DustTrail::Update( float fTimeDelta )
{
if ( !m_pDustEmitter )
return;
Vector offsetColor;
// Add new particles
if ( !m_bEmit )
return;
if ( ( m_StopEmitTime != 0 ) && ( m_StopEmitTime <= gpGlobals->curtime ) )
return;
float tempDelta = fTimeDelta;
SimpleParticle *pParticle;
Vector offset;
Vector vecOrigin;
VectorMA( GetAbsOrigin(), -fTimeDelta, GetAbsVelocity(), vecOrigin );
Vector vecForward;
GetVectors( &vecForward, NULL, NULL );
while( m_ParticleSpawn.NextEvent( tempDelta ) )
{
float fldt = fTimeDelta - tempDelta;
offset.Random( -m_SpawnRadius, m_SpawnRadius );
offset += vecOrigin;
VectorMA( offset, fldt, GetAbsVelocity(), offset );
//if ( random->RandomFloat( 0.f, 5.0f ) > GetAbsVelocity().Length())
// continue;
pParticle = (SimpleParticle *) m_pDustEmitter->AddParticle( sizeof( SimpleParticle ), m_MaterialHandle[random->RandomInt(0,0)], offset ); // FIXME: the other sprites look bad
if ( pParticle == NULL )
continue;
pParticle->m_flLifetime = 0.0f;
pParticle->m_flDieTime = m_ParticleLifetime;
pParticle->m_vecVelocity.Random( -1.0f, 1.0f );
pParticle->m_vecVelocity *= random->RandomFloat( m_MinSpeed, m_MaxSpeed );
pParticle->m_vecVelocity = pParticle->m_vecVelocity + GetAbsVelocity();
float flDirectedVel = random->RandomFloat( m_MinDirectedSpeed, m_MaxDirectedSpeed );
VectorMA( pParticle->m_vecVelocity, flDirectedVel, vecForward, pParticle->m_vecVelocity );
offsetColor = m_Color;
float flMaxVal = MAX( m_Color[0], m_Color[1] );
if ( flMaxVal < m_Color[2] )
{
flMaxVal = m_Color[2];
}
offsetColor /= flMaxVal;
offsetColor *= random->RandomFloat( -0.2f, 0.2f );
offsetColor += m_Color;
offsetColor[0] = clamp( offsetColor[0], 0.0f, 1.0f );
offsetColor[1] = clamp( offsetColor[1], 0.0f, 1.0f );
offsetColor[2] = clamp( offsetColor[2], 0.0f, 1.0f );
pParticle->m_uchColor[0] = offsetColor[0]*255.0f;
pParticle->m_uchColor[1] = offsetColor[1]*255.0f;
pParticle->m_uchColor[2] = offsetColor[2]*255.0f;
pParticle->m_uchStartSize = m_StartSize;
pParticle->m_uchEndSize = m_EndSize;
float alpha = random->RandomFloat( m_Opacity*0.75f, m_Opacity*1.25f );
alpha = clamp( alpha, 0.0f, 1.0f );
if ( m_StopEmitTime != 0 && m_StopEmitTime > m_StartEmitTime )
{
alpha *= sqrt( (m_StopEmitTime - gpGlobals->curtime) /(m_StopEmitTime - m_StartEmitTime) );
}
pParticle->m_uchStartAlpha = alpha * 255;
pParticle->m_uchEndAlpha = 0;
pParticle->m_flRoll = random->RandomInt( 0, 360 );
pParticle->m_flRollDelta = random->RandomFloat( -1.0f, 1.0f );
}
}
void C_DustTrail::RenderParticles( CParticleRenderIterator *pIterator )
{
}
void C_DustTrail::SimulateParticles( CParticleSimulateIterator *pIterator )
{
}
//-----------------------------------------------------------------------------
// This is called after sending this entity's recording state
//-----------------------------------------------------------------------------
void C_DustTrail::CleanupToolRecordingState( KeyValues *msg )
{
if ( !ToolsEnabled() )
return;
BaseClass::CleanupToolRecordingState( msg );
// Generally, this is used to allow the entity to clean up
// allocated state it put into the message, but here we're going
// to use it to send particle system messages because we
// know the grenade has been recorded at this point
if ( !clienttools->IsInRecordingMode() || !m_pDustEmitter.IsValid() )
return;
// For now, we can't record Dusttrails that don't have a moveparent
C_BaseEntity *pEnt = GetMoveParent();
if ( !pEnt )
return;
bool bEmitterActive = m_bEmit && ( ( m_StopEmitTime == 0 ) || ( m_StopEmitTime > gpGlobals->curtime ) );
// NOTE: Particle system destruction message will be sent by the particle effect itself.
if ( m_pDustEmitter->GetToolParticleEffectId() == TOOLPARTICLESYSTEMID_INVALID )
{
int nId = m_pDustEmitter->AllocateToolParticleEffectId();
KeyValues *msg = new KeyValues( "OldParticleSystem_Create" );
msg->SetString( "name", "C_DustTrail" );
msg->SetInt( "id", nId );
msg->SetFloat( "time", gpGlobals->curtime );
KeyValues *pEmitter = msg->FindKey( "DmeSpriteEmitter", true );
pEmitter->SetString( "material", "particle/smokesprites_0001" );
pEmitter->SetInt( "count", m_SpawnRate ); // particles per second, when duration is < 0
pEmitter->SetFloat( "duration", -1 ); // FIXME
pEmitter->SetInt( "active", bEmitterActive );
KeyValues *pInitializers = pEmitter->FindKey( "initializers", true );
// FIXME: Until we can interpolate ent logs during emission, this can't work
KeyValues *pPosition = pInitializers->FindKey( "DmePositionPointToEntityInitializer", true );
pPosition->SetPtr( "entindex", (void*)pEnt->entindex() );
pPosition->SetInt( "attachmentIndex", GetParentAttachment() );
pPosition->SetFloat( "randomDist", m_SpawnRadius );
pPosition->SetFloat( "startx", pEnt->GetAbsOrigin().x );
pPosition->SetFloat( "starty", pEnt->GetAbsOrigin().y );
pPosition->SetFloat( "startz", pEnt->GetAbsOrigin().z );
KeyValues *pVelocity = pInitializers->FindKey( "DmeDecayVelocityInitializer", true );
pVelocity->SetFloat( "velocityX", pEnt->GetAbsVelocity().x );
pVelocity->SetFloat( "velocityY", pEnt->GetAbsVelocity().y );
pVelocity->SetFloat( "velocityZ", pEnt->GetAbsVelocity().z );
pVelocity->SetFloat( "decayto", 0.5 );
pVelocity->SetFloat( "decaytime", 0.3 );
KeyValues *pLifetime = pInitializers->FindKey( "DmeRandomLifetimeInitializer", true );
pLifetime->SetFloat( "minLifetime", m_ParticleLifetime );
pLifetime->SetFloat( "maxLifetime", m_ParticleLifetime );
KeyValues *pRoll = pInitializers->FindKey( "DmeRandomRollInitializer", true );
pRoll->SetFloat( "minRoll", 0.0f );
pRoll->SetFloat( "maxRoll", 360.0f );
KeyValues *pRollSpeed = pInitializers->FindKey( "DmeRandomRollSpeedInitializer", true );
pRollSpeed->SetFloat( "minRollSpeed", -1.0f );
pRollSpeed->SetFloat( "maxRollSpeed", 1.0f );
KeyValues *pColor = pInitializers->FindKey( "DmeRandomValueColorInitializer", true );
Color c(
clamp( m_Color.x * 255.0f, 0, 255 ),
clamp( m_Color.y * 255.0f, 0, 255 ),
clamp( m_Color.z * 255.0f, 0, 255 ), 255 );
pColor->SetColor( "startColor", c );
pColor->SetFloat( "minStartValueDelta", 0.0f );
pColor->SetFloat( "maxStartValueDelta", 0.0f );
pColor->SetColor( "endColor", c );
KeyValues *pAlpha = pInitializers->FindKey( "DmeRandomAlphaInitializer", true );
int nMinAlpha = 255 * m_Opacity * 0.75f;
int nMaxAlpha = 255 * m_Opacity * 1.25f;
pAlpha->SetInt( "minStartAlpha", clamp( nMinAlpha, 0, 255 ) );
pAlpha->SetInt( "maxStartAlpha", clamp( nMaxAlpha, 0, 255 ) );
pAlpha->SetInt( "minEndAlpha", clamp( nMinAlpha, 0, 255 ) );
pAlpha->SetInt( "maxEndAlpha", clamp( nMaxAlpha, 0, 255 ) );
KeyValues *pSize = pInitializers->FindKey( "DmeRandomSizeInitializer", true );
pSize->SetFloat( "minStartSize", m_StartSize );
pSize->SetFloat( "maxStartSize", m_StartSize );
pSize->SetFloat( "minEndSize", m_EndSize );
pSize->SetFloat( "maxEndSize", m_EndSize );
KeyValues *pUpdaters = pEmitter->FindKey( "updaters", true );
pUpdaters->FindKey( "DmePositionVelocityDecayUpdater", true );
pUpdaters->FindKey( "DmeRollUpdater", true );
KeyValues *pRollSpeedUpdater = pUpdaters->FindKey( "DmeRollSpeedAttenuateUpdater", true );
pRollSpeedUpdater->SetFloat( "attenuation", 1.0f - 8.0f / 30.0f );
pRollSpeedUpdater->SetFloat( "attenuationTme", 1.0f / 30.0f );
pRollSpeedUpdater->SetFloat( "minRollSpeed", 0.5f );
pUpdaters->FindKey( "DmeAlphaSineRampUpdater", true );
pUpdaters->FindKey( "DmeColorUpdater", true );
pUpdaters->FindKey( "DmeSizeUpdater", true );
ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, msg );
msg->deleteThis();
}
else
{
KeyValues *msg = new KeyValues( "OldParticleSystem_ActivateEmitter" );
msg->SetInt( "id", m_pDustEmitter->GetToolParticleEffectId() );
msg->SetInt( "emitter", 0 );
msg->SetInt( "active", bEmitterActive );
msg->SetFloat( "time", gpGlobals->curtime );
ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, msg );
msg->deleteThis();
}
}