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-rw-r--r--game/client/c_smoke_trail.cpp2010
1 files changed, 2010 insertions, 0 deletions
diff --git a/game/client/c_smoke_trail.cpp b/game/client/c_smoke_trail.cpp
new file mode 100644
index 0000000..ce241f5
--- /dev/null
+++ b/game/client/c_smoke_trail.cpp
@@ -0,0 +1,2010 @@
+//========= Copyright 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 "clienteffectprecachesystem.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 *oldmsg = new KeyValues( "OldParticleSystem_Create" );
+ oldmsg->SetString( "name", "C_SmokeTrail" );
+ oldmsg->SetInt( "id", nId );
+ oldmsg->SetFloat( "time", gpGlobals->curtime );
+
+ KeyValues *pRandomEmitter = oldmsg->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(
+ FastFToC( clamp( m_StartColor.x, 0.f, 1.f ) ),
+ FastFToC( clamp( m_StartColor.y, 0.f, 1.f ) ),
+ FastFToC( clamp( m_StartColor.z, 0.f, 1.f ) ),
+ 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, oldmsg );
+ oldmsg->deleteThis();
+ }
+ else
+ {
+ KeyValues *oldmsg = new KeyValues( "OldParticleSystem_ActivateEmitter" );
+ oldmsg->SetInt( "id", m_pSmokeEmitter->GetToolParticleEffectId() );
+ oldmsg->SetInt( "emitter", 0 );
+ oldmsg->SetInt( "active", bEmitterActive );
+ oldmsg->SetFloat( "time", gpGlobals->curtime );
+ ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, oldmsg );
+ oldmsg->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 )
+ {
+ 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 )
+ {
+ float tempDelta = fTimeDelta;
+
+ float flDist = (MainViewOrigin() - 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( "RPGShotDown", RPGShotDownCallback );
+
+
+
+//==================================================
+// 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 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();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: High drag, non color changing particle
+//-----------------------------------------------------------------------------
+
+
+class CDustFollower : public CSimpleEmitter
+{
+public:
+
+ CDustFollower( const char *pDebugName ) : CSimpleEmitter( pDebugName ) {}
+
+ //Create
+ static CDustFollower *Create( const char *pDebugName )
+ {
+ return new CDustFollower( pDebugName );
+ }
+
+ //Alpha
+ virtual float UpdateAlpha( const SimpleParticle *pParticle )
+ {
+ return ( ((float)pParticle->m_uchStartAlpha/255.0f) * sin( M_PI * (pParticle->m_flLifetime / pParticle->m_flDieTime) ) );
+ }
+
+ virtual void UpdateVelocity( SimpleParticle *pParticle, float timeDelta )
+ {
+ pParticle->m_vecVelocity = pParticle->m_vecVelocity * ExponentialDecay( 0.3, timeDelta );
+ }
+
+ //Roll
+ virtual float UpdateRoll( SimpleParticle *pParticle, float timeDelta )
+ {
+ pParticle->m_flRoll += pParticle->m_flRollDelta * timeDelta;
+
+ pParticle->m_flRollDelta *= ExponentialDecay( 0.5, timeDelta );
+
+ return pParticle->m_flRoll;
+ }
+
+private:
+ CDustFollower( const CDustFollower & );
+};
+
+
+// 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!
+CLIENTEFFECT_REGISTER_BEGIN( PrecacheEffectDusttrail )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0001" )
+/*
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0002" )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0003" )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0004" )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0005" )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0006" )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0007" )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0008" )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0009" )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0010" )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0011" )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0012" )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0013" )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0014" )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0015" )
+CLIENTEFFECT_MATERIAL( "particle/smokesprites_0016" )
+*/
+CLIENTEFFECT_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 *oldmsg = new KeyValues( "OldParticleSystem_Create" );
+ oldmsg->SetString( "name", "C_DustTrail" );
+ oldmsg->SetInt( "id", nId );
+ oldmsg->SetFloat( "time", gpGlobals->curtime );
+
+ KeyValues *pEmitter = oldmsg->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(
+ FastFToC( clamp( m_Color.x, 0.f, 1.f ) ),
+ FastFToC( clamp( m_Color.y, 0.f, 1.f ) ),
+ FastFToC( clamp( m_Color.z, 0.f, 1.f ) ),
+ 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, oldmsg );
+ oldmsg->deleteThis();
+ }
+ else
+ {
+ KeyValues *oldmsg = new KeyValues( "OldParticleSystem_ActivateEmitter" );
+ oldmsg->SetInt( "id", m_pDustEmitter->GetToolParticleEffectId() );
+ oldmsg->SetInt( "emitter", 0 );
+ oldmsg->SetInt( "active", bEmitterActive );
+ oldmsg->SetFloat( "time", gpGlobals->curtime );
+ ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, oldmsg );
+ oldmsg->deleteThis();
+ }
+}