//========= Copyright Valve Corporation, All rights reserved. ============// // // Purpose: particle system code // //===========================================================================// #include "tier0/platform.h" #include "particles/particles.h" #include "filesystem.h" #include "tier2/tier2.h" #include "tier2/fileutils.h" #include "tier2/renderutils.h" #include "tier1/UtlStringMap.h" #include "tier1/strtools.h" #include "studio.h" #include "bspflags.h" #include "tier0/vprof.h" // memdbgon must be the last include file in a .cpp file!!! #include "tier0/memdbgon.h" #if MEASURE_PARTICLE_PERF #if VPROF_LEVEL > 0 #define START_OP float flOpStartTime = Plat_FloatTime(); VPROF_ENTER_SCOPE(pOp->GetDefinition()->GetName()) #else #define START_OP float flOpStartTime = Plat_FloatTime(); #endif #if VPROF_LEVEL > 0 #define END_OP if ( 1 ) { \ float flETime = Plat_FloatTime() - flOpStartTime; \ IParticleOperatorDefinition *pDef = (IParticleOperatorDefinition *) pOp->GetDefinition(); \ pDef->RecordExecutionTime( flETime ); \ } \ VPROF_EXIT_SCOPE() #else #define END_OP if ( 1 ) { \ float flETime = Plat_FloatTime() - flOpStartTime; \ IParticleOperatorDefinition *pDef = (IParticleOperatorDefinition *) pOp->GetDefinition(); \ pDef->RecordExecutionTime( flETime ); \ } #endif #else #define START_OP #define END_OP #endif //----------------------------------------------------------------------------- // Standard movement operator //----------------------------------------------------------------------------- class C_OP_BasicMovement : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_BasicMovement ); uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_PREV_XYZ_MASK | PARTICLE_ATTRIBUTE_XYZ_MASK; } uint32 GetReadAttributes( void ) const { return 0; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; Vector m_Gravity; float m_fDrag; int m_nMaxConstraintPasses; }; DEFINE_PARTICLE_OPERATOR( C_OP_BasicMovement, "Movement Basic", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_BasicMovement ) DMXELEMENT_UNPACK_FIELD( "gravity", "0 0 0", Vector, m_Gravity ) DMXELEMENT_UNPACK_FIELD( "drag", "0", float, m_fDrag ) DMXELEMENT_UNPACK_FIELD( "max constraint passes", "3", int, m_nMaxConstraintPasses ) END_PARTICLE_OPERATOR_UNPACK( C_OP_BasicMovement ) #define MAXIMUM_NUMBER_OF_CONSTRAINTS 100 //#define CHECKALL 1 #ifdef NDEBUG #define CHECKSYSTEM( p ) 0 #else #ifdef CHECKALL static void CHECKSYSTEM( CParticleCollection *pParticles ) { // Assert( pParticles->m_nActiveParticles <= pParticles->m_pDef->m_nMaxParticles ); for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { const float *xyz = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_XYZ, i ); const float *xyz_prev = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_PREV_XYZ, i ); Assert( IsFinite( xyz[0] ) ); Assert( IsFinite( xyz[4] ) ); Assert( IsFinite( xyz[8] ) ); Assert( IsFinite( xyz_prev[0] ) ); Assert( IsFinite( xyz_prev[4] ) ); Assert( IsFinite( xyz_prev[8] ) ); } } #else #define CHECKSYSTEM( p ) 0 #endif #endif void C_OP_BasicMovement::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { C4VAttributeWriteIterator prev_xyz( PARTICLE_ATTRIBUTE_PREV_XYZ, pParticles ); C4VAttributeWriteIterator xyz( PARTICLE_ATTRIBUTE_XYZ, pParticles ); // fltx4 adj_dt = ReplicateX4( (1.0-m_fDrag) * ( pParticles->m_flDt / pParticles->m_flPreviousDt ) ); fltx4 adj_dt = ReplicateX4( ( pParticles->m_flDt / pParticles->m_flPreviousDt ) * ExponentialDecay( (1.0f-max(0.f,m_fDrag)), (1.0f/30.0f), pParticles->m_flDt ) ); size_t nForceStride=0; Vector acc = m_Gravity; fltx4 accFactorX = ReplicateX4( acc.x ); fltx4 accFactorY = ReplicateX4( acc.y ); fltx4 accFactorZ = ReplicateX4( acc.z ); int nAccumulators = pParticles->m_pDef->m_ForceGenerators.Count(); FourVectors PerParticleForceAccumulator[MAX_PARTICLES_IN_A_SYSTEM / 4]; // xbox fixme - memory FourVectors *pAccOut = PerParticleForceAccumulator; if (nAccumulators) { // we do have per particle force accumulators nForceStride = 1; int nblocks = pParticles->m_nPaddedActiveParticles; for(int i=0;ix = accFactorX; pAccOut->y = accFactorY; pAccOut->z = accFactorZ; pAccOut++; } // now, call all force accumulators for(int i=0;i < nAccumulators ; i++ ) { float flStrengthOp; CParticleOperatorInstance *pOp = pParticles->m_pDef->m_ForceGenerators[i]; if ( pParticles->CheckIfOperatorShouldRun( pOp, &flStrengthOp )) { START_OP; pParticles->m_pDef->m_ForceGenerators[i]->AddForces( PerParticleForceAccumulator, pParticles, nblocks, flStrengthOp, pParticles->m_pOperatorContextData + pParticles->m_pDef->m_nForceGeneratorsCtxOffsets[i] ); END_OP; } } } else { pAccOut->x = accFactorX; pAccOut->y = accFactorY; pAccOut->z = accFactorZ; // we just have gravity } CHECKSYSTEM( pParticles ); fltx4 DtSquared = ReplicateX4( pParticles->m_flDt * pParticles->m_flDt ); int ctr = pParticles->m_nPaddedActiveParticles; FourVectors *pAccIn = PerParticleForceAccumulator; do { accFactorX = MulSIMD( pAccIn->x, DtSquared ); accFactorY = MulSIMD( pAccIn->y, DtSquared ); accFactorZ = MulSIMD( pAccIn->z, DtSquared ); // we will write prev xyz, and swap prev and cur at the end prev_xyz->x = AddSIMD( xyz->x, AddSIMD( accFactorX, MulSIMD( adj_dt, SubSIMD( xyz->x, prev_xyz->x ) ) ) ); prev_xyz->y = AddSIMD( xyz->y, AddSIMD( accFactorY, MulSIMD( adj_dt, SubSIMD( xyz->y, prev_xyz->y ) ) ) ); prev_xyz->z = AddSIMD( xyz->z, AddSIMD( accFactorZ, MulSIMD( adj_dt, SubSIMD( xyz->z, prev_xyz->z ) ) ) ); CHECKSYSTEM( pParticles ); ++prev_xyz; ++xyz; pAccIn += nForceStride; } while (--ctr); CHECKSYSTEM( pParticles ); pParticles->SwapPosAndPrevPos(); // now, enforce constraints int nConstraints = pParticles->m_pDef->m_Constraints.Count(); if ( nConstraints && pParticles->m_nPaddedActiveParticles ) { bool bConstraintSatisfied[ MAXIMUM_NUMBER_OF_CONSTRAINTS ]; bool bFinalConstraint[ MAXIMUM_NUMBER_OF_CONSTRAINTS ]; for(int i=0;im_pDef->m_Constraints[i]->IsFinalConstraint(); bConstraintSatisfied[i] = false; pParticles->m_pDef->m_Constraints[i]->SetupConstraintPerFrameData( pParticles, pParticles->m_pOperatorContextData + pParticles->m_pDef->m_nConstraintsCtxOffsets[i] ); } // constraints get to see their own per psystem per op random #s for(int p=0; p < m_nMaxConstraintPasses ; p++ ) { // int nSaveOffset=pParticles->m_nOperatorRandomSampleOffset; for(int i=0;im_nOperatorRandomSampleOffset += 23; if ( ! bConstraintSatisfied[i] ) { CParticleOperatorInstance *pOp = pParticles->m_pDef->m_Constraints[i]; bConstraintSatisfied[i] = true; if ( ( !bFinalConstraint[i] ) && ( pParticles->CheckIfOperatorShouldRun( pOp ) ) ) { START_OP; bool bDidSomething = pOp->EnforceConstraint( 0, pParticles->m_nPaddedActiveParticles, pParticles, pParticles->m_pOperatorContextData + pParticles->m_pDef->m_nConstraintsCtxOffsets[i], pParticles->m_nActiveParticles ); END_OP; CHECKSYSTEM( pParticles ); if ( bDidSomething ) { // other constraints now not satisfied, maybe for( int j=0; jm_nOperatorRandomSampleOffset = nSaveOffset; } // now, run final constraints for(int i=0;im_pDef->m_Constraints[i]; if ( ( bFinalConstraint[i] ) && ( pParticles->CheckIfOperatorShouldRun( pOp ) ) ) { START_OP; pOp->EnforceConstraint( 0, pParticles->m_nPaddedActiveParticles, pParticles, pParticles->m_pOperatorContextData + pParticles->m_pDef->m_nConstraintsCtxOffsets[i], pParticles->m_nActiveParticles ); END_OP; CHECKSYSTEM( pParticles ); } } } CHECKSYSTEM( pParticles ); } //----------------------------------------------------------------------------- // Fade and kill operator //----------------------------------------------------------------------------- class C_OP_FadeAndKill : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_FadeAndKill ); uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_ALPHA_MASK; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_CREATION_TIME_MASK | PARTICLE_ATTRIBUTE_LIFE_DURATION_MASK; } uint32 GetReadInitialAttributes( void ) const { return PARTICLE_ATTRIBUTE_ALPHA_MASK; } virtual void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ); virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; float m_flStartFadeInTime; float m_flEndFadeInTime; float m_flStartFadeOutTime; float m_flEndFadeOutTime; float m_flStartAlpha; float m_flEndAlpha; }; DEFINE_PARTICLE_OPERATOR( C_OP_FadeAndKill, "Alpha Fade and Decay", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_FadeAndKill ) DMXELEMENT_UNPACK_FIELD( "start_alpha","1", float, m_flStartAlpha ) DMXELEMENT_UNPACK_FIELD( "end_alpha","0", float, m_flEndAlpha ) DMXELEMENT_UNPACK_FIELD( "start_fade_in_time","0", float, m_flStartFadeInTime ) DMXELEMENT_UNPACK_FIELD( "end_fade_in_time","0.5", float, m_flEndFadeInTime ) DMXELEMENT_UNPACK_FIELD( "start_fade_out_time","0.5", float, m_flStartFadeOutTime ) DMXELEMENT_UNPACK_FIELD( "end_fade_out_time","1", float, m_flEndFadeOutTime ) END_PARTICLE_OPERATOR_UNPACK( C_OP_FadeAndKill ) void C_OP_FadeAndKill::InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { // Cache off and validate values if ( m_flEndFadeInTime < m_flStartFadeInTime ) { m_flEndFadeInTime = m_flStartFadeInTime; } if ( m_flEndFadeOutTime < m_flStartFadeOutTime ) { m_flEndFadeOutTime = m_flStartFadeOutTime; } if ( m_flStartFadeOutTime < m_flStartFadeInTime ) { V_swap( m_flStartFadeInTime, m_flStartFadeOutTime ); } if ( m_flEndFadeOutTime < m_flEndFadeInTime ) { V_swap( m_flEndFadeInTime, m_flEndFadeOutTime ); } } void C_OP_FadeAndKill::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { CM128AttributeIterator pCreationTime( PARTICLE_ATTRIBUTE_CREATION_TIME, pParticles ); CM128AttributeIterator pLifeDuration( PARTICLE_ATTRIBUTE_LIFE_DURATION, pParticles ); CM128InitialAttributeIterator pInitialAlpha( PARTICLE_ATTRIBUTE_ALPHA, pParticles ); CM128AttributeWriteIterator pAlpha( PARTICLE_ATTRIBUTE_ALPHA, pParticles ); fltx4 fl4StartFadeInTime = ReplicateX4( m_flStartFadeInTime ); fltx4 fl4StartFadeOutTime = ReplicateX4( m_flStartFadeOutTime ); fltx4 fl4EndFadeInTime = ReplicateX4( m_flEndFadeInTime ); fltx4 fl4EndFadeOutTime = ReplicateX4( m_flEndFadeOutTime ); fltx4 fl4EndAlpha = ReplicateX4( m_flEndAlpha ); fltx4 fl4StartAlpha = ReplicateX4( m_flStartAlpha ); fltx4 fl4CurTime = pParticles->m_fl4CurTime; int nLimit = pParticles->m_nPaddedActiveParticles << 2; fltx4 fl4FadeInDuration = ReplicateX4( m_flEndFadeInTime - m_flStartFadeInTime ); fltx4 fl4OOFadeInDuration = ReciprocalEstSIMD( fl4FadeInDuration ); fltx4 fl4FadeOutDuration = ReplicateX4( m_flEndFadeOutTime - m_flStartFadeOutTime ); fltx4 fl4OOFadeOutDuration = ReciprocalEstSIMD( fl4FadeOutDuration ); for ( int i = 0; i < nLimit; i+= 4 ) { fltx4 fl4Age = SubSIMD( fl4CurTime, *pCreationTime ); fltx4 fl4ParticleLifeTime = *pLifeDuration; fltx4 fl4KillMask = CmpGeSIMD( fl4Age, *pLifeDuration ); // takes care of lifeduration = 0 div 0 fl4Age = MulSIMD( fl4Age, ReciprocalEstSIMD( fl4ParticleLifeTime ) ); // age 0..1 fltx4 fl4FadingInMask = AndNotSIMD( fl4KillMask, AndSIMD( CmpLeSIMD( fl4StartFadeInTime, fl4Age ), CmpGtSIMD(fl4EndFadeInTime, fl4Age ) ) ); fltx4 fl4FadingOutMask = AndNotSIMD( fl4KillMask, AndSIMD( CmpLeSIMD( fl4StartFadeOutTime, fl4Age ), CmpGtSIMD(fl4EndFadeOutTime, fl4Age ) ) ); if ( IsAnyNegative( fl4FadingInMask ) ) { fltx4 fl4Goal = MulSIMD( *pInitialAlpha, fl4StartAlpha ); fltx4 fl4NewAlpha = SimpleSplineRemapValWithDeltasClamped( fl4Age, fl4StartFadeInTime, fl4FadeInDuration, fl4OOFadeInDuration, fl4Goal, SubSIMD( *pInitialAlpha, fl4Goal ) ); *pAlpha = MaskedAssign( fl4FadingInMask, fl4NewAlpha, *pAlpha ); } if ( IsAnyNegative( fl4FadingOutMask ) ) { fltx4 fl4Goal = MulSIMD( *pInitialAlpha, fl4EndAlpha ); fltx4 fl4NewAlpha = SimpleSplineRemapValWithDeltasClamped( fl4Age, fl4StartFadeOutTime, fl4FadeOutDuration, fl4OOFadeOutDuration, *pInitialAlpha, SubSIMD( fl4Goal, *pInitialAlpha ) ); *pAlpha = MaskedAssign( fl4FadingOutMask, fl4NewAlpha, *pAlpha ); } if ( IsAnyNegative( fl4KillMask ) ) { int nMask = TestSignSIMD( fl4KillMask ); if ( nMask & 1 ) pParticles->KillParticle( i ); if ( nMask & 2 ) pParticles->KillParticle( i + 1 ); if ( nMask & 4 ) pParticles->KillParticle( i + 2 ); if ( nMask & 8 ) pParticles->KillParticle( i + 3 ); } ++pCreationTime; ++pLifeDuration; ++pInitialAlpha; ++pAlpha; } } //----------------------------------------------------------------------------- // Fade In Operator //----------------------------------------------------------------------------- class C_OP_FadeIn : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_FadeIn ); uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_ALPHA_MASK; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_CREATION_TIME_MASK | PARTICLE_ATTRIBUTE_LIFE_DURATION_MASK | PARTICLE_ATTRIBUTE_PARTICLE_ID_MASK; } uint32 GetReadInitialAttributes( void ) const { return PARTICLE_ATTRIBUTE_ALPHA_MASK; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; float m_flFadeInTimeMin; float m_flFadeInTimeMax; float m_flFadeInTimeExp; bool m_bProportional; }; DEFINE_PARTICLE_OPERATOR( C_OP_FadeIn, "Alpha Fade In Random", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_FadeIn ) DMXELEMENT_UNPACK_FIELD( "fade in time min",".25", float, m_flFadeInTimeMin ) DMXELEMENT_UNPACK_FIELD( "fade in time max",".25", float, m_flFadeInTimeMax ) DMXELEMENT_UNPACK_FIELD( "fade in time exponent","1", float, m_flFadeInTimeExp ) DMXELEMENT_UNPACK_FIELD( "proportional 0/1","1", bool, m_bProportional ) END_PARTICLE_OPERATOR_UNPACK( C_OP_FadeIn ) void C_OP_FadeIn::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { CM128AttributeIterator pCreationTime( PARTICLE_ATTRIBUTE_CREATION_TIME, pParticles ); CM128AttributeIterator pLifeDuration( PARTICLE_ATTRIBUTE_LIFE_DURATION, pParticles ); CM128InitialAttributeIterator pInitialAlpha( PARTICLE_ATTRIBUTE_ALPHA, pParticles ); CM128AttributeWriteIterator pAlpha( PARTICLE_ATTRIBUTE_ALPHA, pParticles ); C4IAttributeIterator pParticleID( PARTICLE_ATTRIBUTE_PARTICLE_ID, pParticles ); int nRandomOffset = pParticles->OperatorRandomSampleOffset(); fltx4 CurTime = pParticles->m_fl4CurTime; int nCtr = pParticles->m_nPaddedActiveParticles; int nSSEFixedExponent = m_flFadeInTimeExp*4.0; fltx4 FadeTimeMin = ReplicateX4( m_flFadeInTimeMin ); fltx4 FadeTimeWidth = ReplicateX4( m_flFadeInTimeMax - m_flFadeInTimeMin ); do { fltx4 FadeInTime= Pow_FixedPoint_Exponent_SIMD( pParticles->RandomFloat( *pParticleID, nRandomOffset ), nSSEFixedExponent); FadeInTime = AddSIMD( FadeTimeMin, MulSIMD( FadeTimeWidth, FadeInTime ) ); // Find our life percentage fltx4 flLifeTime = SubSIMD( CurTime, *pCreationTime ); if ( m_bProportional ) { flLifeTime = MaxSIMD( Four_Zeros, MinSIMD( Four_Ones, MulSIMD( flLifeTime, ReciprocalEstSIMD( *pLifeDuration ) ) ) ); } fltx4 ApplyMask = CmpGtSIMD( FadeInTime, flLifeTime ); if ( IsAnyNegative( ApplyMask ) ) { // Fading in fltx4 NewAlpha = SimpleSplineRemapValWithDeltasClamped( flLifeTime, Four_Zeros, FadeInTime, ReciprocalEstSIMD( FadeInTime ), Four_Zeros, *pInitialAlpha ); *( pAlpha ) = MaskedAssign( ApplyMask, NewAlpha, *( pAlpha ) ); } ++pCreationTime; ++pLifeDuration; ++pInitialAlpha; ++pAlpha; ++pParticleID; } while( --nCtr ); } //----------------------------------------------------------------------------- // Fade Out Operator //----------------------------------------------------------------------------- class C_OP_FadeOut : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_FadeOut ); uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_ALPHA_MASK; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_CREATION_TIME_MASK | PARTICLE_ATTRIBUTE_LIFE_DURATION_MASK | PARTICLE_ATTRIBUTE_PARTICLE_ID_MASK; } uint32 GetReadInitialAttributes( void ) const { return PARTICLE_ATTRIBUTE_ALPHA_MASK; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { float flBias = ( m_flFadeBias != 0.0f ) ? m_flFadeBias : 0.5f; m_fl4BiasParam = PreCalcBiasParameter( ReplicateX4( flBias ) ); if ( m_flFadeOutTimeMin == 0.0f && m_flFadeOutTimeMax == 0.0f ) { m_flFadeOutTimeMin = m_flFadeOutTimeMax = FLT_EPSILON; } } float m_flFadeOutTimeMin; float m_flFadeOutTimeMax; float m_flFadeOutTimeExp; float m_flFadeBias; fltx4 m_fl4BiasParam; bool m_bProportional; bool m_bEaseInAndOut; }; DEFINE_PARTICLE_OPERATOR( C_OP_FadeOut, "Alpha Fade Out Random", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_FadeOut ) DMXELEMENT_UNPACK_FIELD( "fade out time min",".25", float, m_flFadeOutTimeMin ) DMXELEMENT_UNPACK_FIELD( "fade out time max",".25", float, m_flFadeOutTimeMax ) DMXELEMENT_UNPACK_FIELD( "fade out time exponent","1", float, m_flFadeOutTimeExp ) DMXELEMENT_UNPACK_FIELD( "proportional 0/1","1", bool, m_bProportional ) DMXELEMENT_UNPACK_FIELD( "ease in and out","1", bool, m_bEaseInAndOut ) DMXELEMENT_UNPACK_FIELD( "fade bias", "0.5", float, m_flFadeBias ) END_PARTICLE_OPERATOR_UNPACK( C_OP_FadeOut ) void C_OP_FadeOut::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { CM128AttributeIterator pCreationTime( PARTICLE_ATTRIBUTE_CREATION_TIME, pParticles ); CM128AttributeIterator pLifeDuration( PARTICLE_ATTRIBUTE_LIFE_DURATION, pParticles ); CM128InitialAttributeIterator pInitialAlpha( PARTICLE_ATTRIBUTE_ALPHA, pParticles ); CM128AttributeWriteIterator pAlpha( PARTICLE_ATTRIBUTE_ALPHA, pParticles ); C4IAttributeIterator pParticleID( PARTICLE_ATTRIBUTE_PARTICLE_ID, pParticles ); int nRandomOffset = pParticles->OperatorRandomSampleOffset(); fltx4 fl4CurTime = pParticles->m_fl4CurTime; int nCtr = pParticles->m_nPaddedActiveParticles; int nSSEFixedExponent = m_flFadeOutTimeExp*4.0; fltx4 FadeTimeMin = ReplicateX4( m_flFadeOutTimeMin ); fltx4 FadeTimeWidth = ReplicateX4( m_flFadeOutTimeMax - m_flFadeOutTimeMin ); do { fltx4 fl4FadeOutTime = Pow_FixedPoint_Exponent_SIMD( pParticles->RandomFloat( *pParticleID, nRandomOffset ), nSSEFixedExponent ); fl4FadeOutTime = AddSIMD( FadeTimeMin, MulSIMD( FadeTimeWidth, fl4FadeOutTime ) ); fltx4 fl4Lifespan; // Find our life percentage fltx4 fl4LifeTime = SubSIMD( fl4CurTime, *pCreationTime ); fltx4 fl4LifeDuration = *pLifeDuration; if ( m_bProportional ) { fl4LifeTime = MulSIMD( fl4LifeTime, ReciprocalEstSIMD( fl4LifeDuration ) ); fl4FadeOutTime = SubSIMD( Four_Ones, fl4FadeOutTime ); fl4Lifespan = SubSIMD ( Four_Ones, fl4FadeOutTime ); } else { fl4FadeOutTime = SubSIMD( *pLifeDuration, fl4FadeOutTime ); fl4Lifespan = SubSIMD( *pLifeDuration, fl4FadeOutTime ) ; } fltx4 ApplyMask = CmpLtSIMD( fl4FadeOutTime, fl4LifeTime ); if ( IsAnyNegative( ApplyMask ) ) { // Fading out fltx4 NewAlpha; if ( m_bEaseInAndOut ) { NewAlpha = SimpleSplineRemapValWithDeltasClamped( fl4LifeTime, fl4FadeOutTime, fl4Lifespan, ReciprocalEstSIMD( fl4Lifespan ), *pInitialAlpha, SubSIMD ( Four_Zeros, *pInitialAlpha ) ); NewAlpha = MaxSIMD( Four_Zeros, NewAlpha ); } else { fltx4 fl4Frac = MulSIMD( SubSIMD( fl4LifeTime, fl4FadeOutTime ), ReciprocalEstSIMD( fl4Lifespan ) ); fl4Frac = MinSIMD( Four_Ones, MaxSIMD( Four_Zeros, fl4Frac ) ); fl4Frac = BiasSIMD( fl4Frac, m_fl4BiasParam ); fl4Frac = SubSIMD( Four_Ones, fl4Frac ); NewAlpha = MulSIMD( *pInitialAlpha, fl4Frac ); } *( pAlpha ) = MaskedAssign( ApplyMask, NewAlpha, *( pAlpha ) ); } ++pCreationTime; ++pLifeDuration; ++pInitialAlpha; ++pAlpha; ++pParticleID; } while( --nCtr ); } //----------------------------------------------------------------------------- // Oscillating Scalar operator // performs an oscillation operation on any scalar (fade, radius, etc.) //----------------------------------------------------------------------------- class C_OP_OscillateScalar : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_OscillateScalar ); uint32 GetWrittenAttributes( void ) const { return 1 << m_nField; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_CREATION_TIME_MASK | PARTICLE_ATTRIBUTE_LIFE_DURATION_MASK | PARTICLE_ATTRIBUTE_PARTICLE_ID_MASK; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; float m_RateMin; float m_RateMax; float m_FrequencyMin; float m_FrequencyMax; int m_nField; bool m_bProportional, m_bProportionalOp; float m_flStartTime_min; float m_flStartTime_max; float m_flEndTime_min; float m_flEndTime_max; float m_flOscMult; float m_flOscAdd; }; DEFINE_PARTICLE_OPERATOR( C_OP_OscillateScalar, "Oscillate Scalar", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_OscillateScalar ) DMXELEMENT_UNPACK_FIELD_USERDATA( "oscillation field", "7", int, m_nField, "intchoice particlefield_scalar" ) DMXELEMENT_UNPACK_FIELD( "oscillation rate min", "0", float, m_RateMin ) DMXELEMENT_UNPACK_FIELD( "oscillation rate max", "0", float, m_RateMax ) DMXELEMENT_UNPACK_FIELD( "oscillation frequency min", "1", float, m_FrequencyMin ) DMXELEMENT_UNPACK_FIELD( "oscillation frequency max", "1", float, m_FrequencyMax ) DMXELEMENT_UNPACK_FIELD( "proportional 0/1", "1", bool, m_bProportional ) DMXELEMENT_UNPACK_FIELD( "start time min", "0", float, m_flStartTime_min ) DMXELEMENT_UNPACK_FIELD( "start time max", "0", float, m_flStartTime_max ) DMXELEMENT_UNPACK_FIELD( "end time min", "1", float, m_flEndTime_min ) DMXELEMENT_UNPACK_FIELD( "end time max", "1", float, m_flEndTime_max ) DMXELEMENT_UNPACK_FIELD( "start/end proportional", "1", bool, m_bProportionalOp ) DMXELEMENT_UNPACK_FIELD( "oscillation multiplier", "2", float, m_flOscMult ) DMXELEMENT_UNPACK_FIELD( "oscillation start phase", ".5", float, m_flOscAdd ) END_PARTICLE_OPERATOR_UNPACK( C_OP_OscillateScalar ) void C_OP_OscillateScalar::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { CM128AttributeIterator pCreationTime( PARTICLE_ATTRIBUTE_CREATION_TIME, pParticles ); CM128AttributeIterator pLifeDuration( PARTICLE_ATTRIBUTE_LIFE_DURATION, pParticles ); C4IAttributeIterator pParticleId ( PARTICLE_ATTRIBUTE_PARTICLE_ID, pParticles ); CM128AttributeWriteIterator pOscField ( m_nField, pParticles) ; fltx4 fl4CurTime = pParticles->m_fl4CurTime; int nRandomOffset = pParticles->OperatorRandomSampleOffset(); fltx4 fl4OscVal; fltx4 fl4ScaleFactor = ReplicateX4( flStrength * pParticles->m_flDt ); fltx4 fl4CosFactorMultiplier = ReplicateX4( m_flOscMult ); fltx4 fl4CosFactorAdd = ReplicateX4( m_flOscAdd ); fltx4 fl4CosFactor = AddSIMD( MulSIMD( fl4CosFactorMultiplier, fl4CurTime ), fl4CosFactorAdd ); fltx4 fl4CosFactorProp = fl4CosFactorMultiplier; fltx4 fl4StartTimeMin = ReplicateX4( m_flStartTime_min ); fltx4 fl4StartTimeWidth = ReplicateX4( m_flStartTime_max - m_flStartTime_min ); fltx4 fl4EndTimeMin = ReplicateX4( m_flEndTime_min ); fltx4 fl4EndTimeWidth = ReplicateX4( m_flEndTime_max - m_flEndTime_min ); fltx4 fl4FrequencyMin = ReplicateX4( m_FrequencyMin ); fltx4 fl4FrequencyWidth = ReplicateX4( m_FrequencyMax - m_FrequencyMin ); fltx4 fl4RateMin = ReplicateX4( m_RateMin ); fltx4 fl4RateWidth = ReplicateX4( m_RateMax - m_RateMin ); int nCtr = pParticles->m_nPaddedActiveParticles; do { fltx4 fl4LifeDuration = *pLifeDuration; fltx4 fl4GoodMask = CmpGtSIMD( fl4LifeDuration, Four_Zeros ); fltx4 fl4LifeTime; if ( m_bProportionalOp ) { fl4LifeTime = MulSIMD( SubSIMD( fl4CurTime, *pCreationTime ), ReciprocalEstSIMD( fl4LifeDuration ) ); // maybe need accurate div here? } else { fl4LifeTime = SubSIMD( fl4CurTime, *pCreationTime ); } fltx4 fl4StartTime= pParticles->RandomFloat( *pParticleId, nRandomOffset + 11); fl4StartTime = AddSIMD( fl4StartTimeMin, MulSIMD( fl4StartTimeWidth, fl4StartTime ) ); fltx4 fl4EndTime= pParticles->RandomFloat( *pParticleId, nRandomOffset + 12); fl4EndTime = AddSIMD( fl4EndTimeMin, MulSIMD( fl4EndTimeWidth, fl4EndTime ) ); fl4GoodMask = AndSIMD( fl4GoodMask, CmpGeSIMD( fl4LifeTime, fl4StartTime ) ); fl4GoodMask = AndSIMD( fl4GoodMask, CmpLtSIMD( fl4LifeTime, fl4EndTime ) ); if ( IsAnyNegative( fl4GoodMask ) ) { fltx4 fl4Frequency = pParticles->RandomFloat( *pParticleId, nRandomOffset ); fl4Frequency = AddSIMD( fl4FrequencyMin, MulSIMD( fl4FrequencyWidth, fl4Frequency ) ); fltx4 fl4Rate= pParticles->RandomFloat( *pParticleId, nRandomOffset + 1); fl4Rate = AddSIMD( fl4RateMin, MulSIMD( fl4RateWidth, fl4Rate ) ); fltx4 fl4Cos; if ( m_bProportional ) { fl4LifeTime = MulSIMD( SubSIMD( fl4CurTime, *pCreationTime ), ReciprocalEstSIMD( fl4LifeDuration ) ); fl4Cos = AddSIMD( MulSIMD( fl4CosFactorProp, MulSIMD( fl4LifeTime, fl4Frequency )), fl4CosFactorAdd ); } else { fl4Cos = MulSIMD( fl4CosFactor, fl4Frequency ); } fltx4 fl4OscMultiplier = MulSIMD( fl4Rate, fl4ScaleFactor); fl4OscVal = AddSIMD ( *pOscField, MulSIMD ( fl4OscMultiplier, SinEst01SIMD( fl4Cos ) ) ); if ( m_nField == 7) { *pOscField = MaskedAssign( fl4GoodMask, MaxSIMD( MinSIMD( fl4OscVal, Four_Ones), Four_Zeros ), *pOscField ); } else { *pOscField = MaskedAssign( fl4GoodMask, fl4OscVal, *pOscField ); } } ++pCreationTime; ++pLifeDuration; ++pOscField; ++pParticleId; } while (--nCtr ); }; //----------------------------------------------------------------------------- // Oscillating Vector operator // performs an oscillation operation on any vector (location, tint) //----------------------------------------------------------------------------- class C_OP_OscillateVector : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_OscillateVector ); uint32 GetWrittenAttributes( void ) const { return 1 << m_nField; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_CREATION_TIME_MASK | PARTICLE_ATTRIBUTE_LIFE_DURATION_MASK | PARTICLE_ATTRIBUTE_PARTICLE_ID_MASK; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; Vector m_RateMin; Vector m_RateMax; Vector m_FrequencyMin; Vector m_FrequencyMax; int m_nField; bool m_bProportional, m_bProportionalOp; bool m_bAccelerator; float m_flStartTime_min; float m_flStartTime_max; float m_flEndTime_min; float m_flEndTime_max; float m_flOscMult; float m_flOscAdd; }; DEFINE_PARTICLE_OPERATOR( C_OP_OscillateVector, "Oscillate Vector", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_OscillateVector ) DMXELEMENT_UNPACK_FIELD_USERDATA( "oscillation field", "0", int, m_nField, "intchoice particlefield_vector" ) DMXELEMENT_UNPACK_FIELD( "oscillation rate min", "0 0 0", Vector, m_RateMin ) DMXELEMENT_UNPACK_FIELD( "oscillation rate max", "0 0 0", Vector, m_RateMax ) DMXELEMENT_UNPACK_FIELD( "oscillation frequency min", "1 1 1", Vector, m_FrequencyMin ) DMXELEMENT_UNPACK_FIELD( "oscillation frequency max", "1 1 1", Vector, m_FrequencyMax ) DMXELEMENT_UNPACK_FIELD( "proportional 0/1", "1", bool, m_bProportional ) DMXELEMENT_UNPACK_FIELD( "start time min", "0", float, m_flStartTime_min ) DMXELEMENT_UNPACK_FIELD( "start time max", "0", float, m_flStartTime_max ) DMXELEMENT_UNPACK_FIELD( "end time min", "1", float, m_flEndTime_min ) DMXELEMENT_UNPACK_FIELD( "end time max", "1", float, m_flEndTime_max ) DMXELEMENT_UNPACK_FIELD( "start/end proportional", "1", bool, m_bProportionalOp ) DMXELEMENT_UNPACK_FIELD( "oscillation multiplier", "2", float, m_flOscMult ) DMXELEMENT_UNPACK_FIELD( "oscillation start phase", ".5", float, m_flOscAdd ) END_PARTICLE_OPERATOR_UNPACK( C_OP_OscillateVector ) void C_OP_OscillateVector::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { CM128AttributeIterator pCreationTime( PARTICLE_ATTRIBUTE_CREATION_TIME, pParticles ); CM128AttributeIterator pLifeDuration( PARTICLE_ATTRIBUTE_LIFE_DURATION, pParticles ); C4IAttributeIterator pParticleId ( PARTICLE_ATTRIBUTE_PARTICLE_ID, pParticles ); C4VAttributeWriteIterator pOscField ( m_nField, pParticles) ; fltx4 fl4CurTime = pParticles->m_fl4CurTime; int nRandomOffset = pParticles->OperatorRandomSampleOffset(); FourVectors fvOscVal; fltx4 fl4ScaleFactor = ReplicateX4( flStrength * pParticles->m_flDt ); fltx4 fl4CosFactorMultiplier = ReplicateX4( m_flOscMult ); fltx4 fl4CosFactorAdd = ReplicateX4( m_flOscAdd ); fltx4 fl4CosFactor = AddSIMD( MulSIMD( fl4CosFactorMultiplier, fl4CurTime ), fl4CosFactorAdd ); fltx4 fl4CosFactorProp = fl4CosFactorMultiplier; fltx4 fl4StartTimeMin = ReplicateX4( m_flStartTime_min ); fltx4 fl4StartTimeWidth = ReplicateX4( m_flStartTime_max - m_flStartTime_min ); fltx4 fl4EndTimeMin = ReplicateX4( m_flEndTime_min ); fltx4 fl4EndTimeWidth = ReplicateX4( m_flEndTime_max - m_flEndTime_min ); FourVectors fvFrequencyMin; fvFrequencyMin.DuplicateVector( m_FrequencyMin ); FourVectors fvFrequencyWidth; fvFrequencyWidth.DuplicateVector( m_FrequencyMax - m_FrequencyMin ); FourVectors fvRateMin; fvRateMin.DuplicateVector( m_RateMin ); FourVectors fvRateWidth; fvRateWidth.DuplicateVector( m_RateMax - m_RateMin ); int nCtr = pParticles->m_nPaddedActiveParticles; do { fltx4 fl4LifeDuration = *pLifeDuration; fltx4 fl4GoodMask = CmpGtSIMD( fl4LifeDuration, Four_Zeros ); fltx4 fl4LifeTime; if ( m_bProportionalOp ) { fl4LifeTime = MulSIMD( SubSIMD( fl4CurTime, *pCreationTime ), ReciprocalEstSIMD( fl4LifeDuration ) ); // maybe need accurate div here? } else { fl4LifeTime = SubSIMD( fl4CurTime, *pCreationTime ); } fltx4 fl4StartTime= pParticles->RandomFloat( *pParticleId, nRandomOffset + 11); fl4StartTime = AddSIMD( fl4StartTimeMin, MulSIMD( fl4StartTimeWidth, fl4StartTime ) ); fltx4 fl4EndTime= pParticles->RandomFloat( *pParticleId, nRandomOffset + 12); fl4EndTime = AddSIMD( fl4EndTimeMin, MulSIMD( fl4EndTimeWidth, fl4EndTime ) ); fl4GoodMask = AndSIMD( fl4GoodMask, CmpGeSIMD( fl4LifeTime, fl4StartTime ) ); fl4GoodMask = AndSIMD( fl4GoodMask, CmpLtSIMD( fl4LifeTime, fl4EndTime ) ); if ( IsAnyNegative( fl4GoodMask ) ) { FourVectors fvFrequency; fvFrequency.x = pParticles->RandomFloat( *pParticleId, nRandomOffset + 8 ); fvFrequency.y = pParticles->RandomFloat( *pParticleId, nRandomOffset + 12 ); fvFrequency.z = pParticles->RandomFloat( *pParticleId, nRandomOffset + 15 ); fvFrequency.VProduct( fvFrequencyWidth ); fvFrequency += fvFrequencyMin; FourVectors fvRate; fvRate.x = pParticles->RandomFloat( *pParticleId, nRandomOffset + 3); fvRate.y = pParticles->RandomFloat( *pParticleId, nRandomOffset + 7); fvRate.z = pParticles->RandomFloat( *pParticleId, nRandomOffset + 9); //fvRate = AddSIMD( fvRateMin, MulSIMD( fvRateWidth, fvRate ) ); fvRate.VProduct( fvRateWidth ); fvRate += fvRateMin; FourVectors fvCos; if ( m_bProportional ) { fl4LifeTime = MulSIMD( SubSIMD( fl4CurTime, *pCreationTime ), ReciprocalEstSIMD( fl4LifeDuration ) ); fvCos.x = AddSIMD( MulSIMD( fl4CosFactorProp, MulSIMD( fvFrequency.x, fl4LifeTime )), fl4CosFactorAdd ); fvCos.y = AddSIMD( MulSIMD( fl4CosFactorProp, MulSIMD( fvFrequency.y, fl4LifeTime )), fl4CosFactorAdd ); fvCos.z = AddSIMD( MulSIMD( fl4CosFactorProp, MulSIMD( fvFrequency.z, fl4LifeTime )), fl4CosFactorAdd ); } else { //fvCos = MulSIMD( fl4CosFactor, fvFrequency ); fvCos.x = MulSIMD( fvFrequency.x, fl4CosFactor ); fvCos.y = MulSIMD( fvFrequency.y, fl4CosFactor ); fvCos.z = MulSIMD( fvFrequency.z, fl4CosFactor ); } FourVectors fvOscMultiplier; fvOscMultiplier.x = MulSIMD( fvRate.x, fl4ScaleFactor); fvOscMultiplier.y = MulSIMD( fvRate.y, fl4ScaleFactor); fvOscMultiplier.z = MulSIMD( fvRate.z, fl4ScaleFactor); FourVectors fvOutput = *pOscField; fvOscVal.x = AddSIMD ( fvOutput.x, MulSIMD ( fvOscMultiplier.x, SinEst01SIMD( fvCos.x ) ) ); fvOscVal.y = AddSIMD ( fvOutput.y, MulSIMD ( fvOscMultiplier.y, SinEst01SIMD( fvCos.y ) ) ); fvOscVal.z = AddSIMD ( fvOutput.z, MulSIMD ( fvOscMultiplier.z, SinEst01SIMD( fvCos.z ) ) ); if ( m_nField == 6) { pOscField->x = MaskedAssign( fl4GoodMask, MaxSIMD( MinSIMD( fvOscVal.x, Four_Ones), Four_Zeros ), fvOutput.x ); pOscField->y = MaskedAssign( fl4GoodMask, MaxSIMD( MinSIMD( fvOscVal.y, Four_Ones), Four_Zeros ), fvOutput.y ); pOscField->z = MaskedAssign( fl4GoodMask, MaxSIMD( MinSIMD( fvOscVal.z, Four_Ones), Four_Zeros ), fvOutput.z ); } else { pOscField->x = MaskedAssign( fl4GoodMask, fvOscVal.x, fvOutput.x ); pOscField->y = MaskedAssign( fl4GoodMask, fvOscVal.y, fvOutput.y ); pOscField->z = MaskedAssign( fl4GoodMask, fvOscVal.z, fvOutput.z ); } } ++pCreationTime; ++pLifeDuration; ++pOscField; ++pParticleId; } while (--nCtr ); }; //----------------------------------------------------------------------------- // Remap Scalar Operator //----------------------------------------------------------------------------- class C_OP_RemapScalar : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_RemapScalar ); uint32 GetWrittenAttributes( void ) const { return 1 << m_nFieldOutput; } uint32 GetReadAttributes( void ) const { return 1 << m_nFieldInput; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; int m_nFieldInput; int m_nFieldOutput; float m_flInputMin; float m_flInputMax; float m_flOutputMin; float m_flOutputMax; }; DEFINE_PARTICLE_OPERATOR( C_OP_RemapScalar, "Remap Scalar", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_RemapScalar ) DMXELEMENT_UNPACK_FIELD_USERDATA( "input field", "7", int, m_nFieldInput, "intchoice particlefield_scalar" ) DMXELEMENT_UNPACK_FIELD( "input minimum","0", float, m_flInputMin ) DMXELEMENT_UNPACK_FIELD( "input maximum","1", float, m_flInputMax ) DMXELEMENT_UNPACK_FIELD_USERDATA( "output field", "3", int, m_nFieldOutput, "intchoice particlefield_scalar" ) DMXELEMENT_UNPACK_FIELD( "output minimum","0", float, m_flOutputMin ) DMXELEMENT_UNPACK_FIELD( "output maximum","1", float, m_flOutputMax ) END_PARTICLE_OPERATOR_UNPACK( C_OP_RemapScalar ) void C_OP_RemapScalar::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { // clamp the result to 0 and 1 if it's alpha float flMin=m_flOutputMin; float flMax=m_flOutputMax; if ( ATTRIBUTES_WHICH_ARE_0_TO_1 & ( 1 << m_nFieldOutput ) ) { flMin = clamp(m_flOutputMin, 0.0f, 1.0f ); flMax = clamp(m_flOutputMax, 0.0f, 1.0f ); } // FIXME: SSE-ize for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { const float *pInput = pParticles->GetFloatAttributePtr( m_nFieldInput, i ); float *pOutput = pParticles->GetFloatAttributePtrForWrite( m_nFieldOutput, i ); float flOutput = RemapValClamped( *pInput, m_flInputMin, m_flInputMax, flMin, flMax ); *pOutput = Lerp (flStrength, *pOutput, flOutput); } } //----------------------------------------------------------------------------- // noise Operator //----------------------------------------------------------------------------- class C_OP_Noise : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_Noise ); uint32 GetWrittenAttributes( void ) const { return 1 << m_nFieldOutput; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; int m_nFieldOutput; float m_flOutputMin; float m_flOutputMax; fltx4 m_fl4NoiseScale; }; DEFINE_PARTICLE_OPERATOR( C_OP_Noise, "Noise Scalar", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_Noise ) DMXELEMENT_UNPACK_FLTX4( "noise coordinate scale", "0.1", m_fl4NoiseScale) DMXELEMENT_UNPACK_FIELD_USERDATA( "output field", "3", int, m_nFieldOutput, "intchoice particlefield_scalar" ) DMXELEMENT_UNPACK_FIELD( "output minimum","0", float, m_flOutputMin ) DMXELEMENT_UNPACK_FIELD( "output maximum","1", float, m_flOutputMax ) END_PARTICLE_OPERATOR_UNPACK( C_OP_Noise ); void C_OP_Noise::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { CM128AttributeWriteIterator pAttr( m_nFieldOutput, pParticles ); C4VAttributeIterator pXYZ( PARTICLE_ATTRIBUTE_XYZ, pParticles ); fltx4 CoordScale=m_fl4NoiseScale; float fMin = m_flOutputMin; float fMax = m_flOutputMax; if ( ATTRIBUTES_WHICH_ARE_ANGLES & (1 << m_nFieldOutput ) ) { fMin *= ( M_PI / 180.0f ); fMax *= ( M_PI / 180.0f ); } // calculate coefficients. noise retuns -1..1 fltx4 ValueScale=ReplicateX4( 0.5*(fMax-fMin ) ); fltx4 ValueBase=ReplicateX4( fMin + 0.5*( fMax - fMin ) ); int nActive = pParticles->m_nPaddedActiveParticles; do { FourVectors Coord = *pXYZ; Coord *= CoordScale; *( pAttr )=AddSIMD( ValueBase, MulSIMD( ValueScale, NoiseSIMD( Coord ) ) ); ++pAttr; ++pXYZ; } while( --nActive ); } //----------------------------------------------------------------------------- // vector noise Operator //----------------------------------------------------------------------------- class C_OP_VectorNoise : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_VectorNoise ); uint32 GetWrittenAttributes( void ) const { return 1 << m_nFieldOutput; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; int m_nFieldOutput; Vector m_vecOutputMin; Vector m_vecOutputMax; fltx4 m_fl4NoiseScale; }; DEFINE_PARTICLE_OPERATOR( C_OP_VectorNoise, "Noise Vector", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_VectorNoise ) DMXELEMENT_UNPACK_FLTX4( "noise coordinate scale", "0.1", m_fl4NoiseScale) DMXELEMENT_UNPACK_FIELD_USERDATA( "output field", "6", int, m_nFieldOutput, "intchoice particlefield_vector" ) DMXELEMENT_UNPACK_FIELD( "output minimum","0 0 0", Vector, m_vecOutputMin ) DMXELEMENT_UNPACK_FIELD( "output maximum","1 1 1", Vector, m_vecOutputMax ) END_PARTICLE_OPERATOR_UNPACK( C_OP_VectorNoise ); void C_OP_VectorNoise::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { C4VAttributeWriteIterator pAttr( m_nFieldOutput, pParticles ); C4VAttributeIterator pXYZ( PARTICLE_ATTRIBUTE_XYZ, pParticles ); fltx4 CoordScale = m_fl4NoiseScale; // calculate coefficients. noise retuns -1..1 fltx4 ValueScaleX = ReplicateX4( 0.5*(m_vecOutputMax.x-m_vecOutputMin.x ) ); fltx4 ValueBaseX = ReplicateX4(m_vecOutputMin.x+0.5*( m_vecOutputMax.x-m_vecOutputMin.x ) ); fltx4 ValueScaleY = ReplicateX4( 0.5*(m_vecOutputMax.y-m_vecOutputMin.y ) ); fltx4 ValueBaseY = ReplicateX4(m_vecOutputMin.y+0.5*( m_vecOutputMax.y-m_vecOutputMin.y ) ); fltx4 ValueScaleZ = ReplicateX4( 0.5*(m_vecOutputMax.z-m_vecOutputMin.z ) ); fltx4 ValueBaseZ = ReplicateX4(m_vecOutputMin.z+0.5*( m_vecOutputMax.z-m_vecOutputMin.z ) ); FourVectors ofs_y; ofs_y.DuplicateVector( Vector( 100000.5, 300000.25, 9000000.75 ) ); FourVectors ofs_z; ofs_z.DuplicateVector( Vector( 110000.25, 310000.75, 9100000.5 ) ); int nActive = pParticles->m_nActiveParticles; for( int i=0; i < nActive; i+=4 ) { FourVectors Coord = *pXYZ; Coord *= CoordScale; pAttr->x=AddSIMD( ValueBaseX, MulSIMD( ValueScaleX, NoiseSIMD( Coord ) ) ); Coord += ofs_y; pAttr->y=AddSIMD( ValueBaseY, MulSIMD( ValueScaleY, NoiseSIMD( Coord ) ) ); Coord += ofs_z; pAttr->z=AddSIMD( ValueBaseZ, MulSIMD( ValueScaleZ, NoiseSIMD( Coord ) ) ); ++pAttr; ++pXYZ; } } //----------------------------------------------------------------------------- // Decay Operator (Lifespan limiter - kills dead particles) //----------------------------------------------------------------------------- class C_OP_Decay : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_Decay ); uint32 GetWrittenAttributes( void ) const { return 0; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_CREATION_TIME_MASK | PARTICLE_ATTRIBUTE_LIFE_DURATION_MASK; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_Decay, "Lifespan Decay", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_Decay ) END_PARTICLE_OPERATOR_UNPACK( C_OP_Decay ) void C_OP_Decay::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { fltx4 fl4CurTime = pParticles->m_fl4CurTime; CM128AttributeIterator pCreationTime( PARTICLE_ATTRIBUTE_CREATION_TIME, pParticles ); CM128AttributeIterator pLifeDuration( PARTICLE_ATTRIBUTE_LIFE_DURATION, pParticles ); int nLimit = pParticles->m_nPaddedActiveParticles << 2; for ( int i = 0; i < nLimit; i+= 4 ) { fltx4 fl4LifeDuration = *pLifeDuration; fltx4 fl4KillMask = CmpLeSIMD( fl4LifeDuration, Four_Zeros ); fltx4 fl4Age = SubSIMD( fl4CurTime, *pCreationTime ); fl4KillMask = OrSIMD( fl4KillMask, CmpGeSIMD( fl4Age, fl4LifeDuration ) ); if ( IsAnyNegative( fl4KillMask ) ) { // not especially pretty - we need to kill some particles. int nMask = TestSignSIMD( fl4KillMask ); if ( nMask & 1 ) pParticles->KillParticle( i ); if ( nMask & 2 ) pParticles->KillParticle( i + 1 ); if ( nMask & 4 ) pParticles->KillParticle( i + 2 ); if ( nMask & 8 ) pParticles->KillParticle( i + 3 ); } ++pCreationTime; ++pLifeDuration; } } //----------------------------------------------------------------------------- // Lifespan Minimum Velocity Decay Operator (kills particles if they cease moving) //----------------------------------------------------------------------------- class C_OP_VelocityDecay : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_VelocityDecay ); uint32 GetWrittenAttributes( void ) const { return 0; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; float m_flMinVelocity; }; DEFINE_PARTICLE_OPERATOR( C_OP_VelocityDecay, "Lifespan Minimum Velocity Decay", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_VelocityDecay ) DMXELEMENT_UNPACK_FIELD( "minimum velocity","1", float, m_flMinVelocity ) END_PARTICLE_OPERATOR_UNPACK( C_OP_VelocityDecay ) void C_OP_VelocityDecay::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { fltx4 fl4MinVelocity = ReplicateX4( m_flMinVelocity ); fltx4 fl4Dt = ReplicateX4( pParticles->m_flDt ); CM128AttributeIterator pXYZ( PARTICLE_ATTRIBUTE_XYZ, pParticles ); CM128AttributeIterator pPrevXYZ( PARTICLE_ATTRIBUTE_PREV_XYZ, pParticles ); int nLimit = pParticles->m_nPaddedActiveParticles << 2; for ( int i = 0; i < nLimit; i+= 4 ) { fltx4 fl4KillMask = CmpLeSIMD( DivSIMD ( SubSIMD( *pXYZ, *pPrevXYZ ), fl4Dt ), fl4MinVelocity ); if ( IsAnyNegative( fl4KillMask ) ) { // not especially pretty - we need to kill some particles. int nMask = TestSignSIMD( fl4KillMask ); if ( nMask & 1 ) pParticles->KillParticle( i ); if ( nMask & 2 ) pParticles->KillParticle( i + 1 ); if ( nMask & 4 ) pParticles->KillParticle( i + 2 ); if ( nMask & 8 ) pParticles->KillParticle( i + 3 ); } ++pXYZ; ++pPrevXYZ; } } //----------------------------------------------------------------------------- // Random Cull Operator - Randomly culls particles before their lifespan //----------------------------------------------------------------------------- class C_OP_Cull : public CParticleOperatorInstance { float m_flCullPerc; float m_flCullStart; float m_flCullEnd; float m_flCullExp; DECLARE_PARTICLE_OPERATOR( C_OP_Cull ); uint32 GetWrittenAttributes( void ) const { return 0; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_CREATION_TIME_MASK | PARTICLE_ATTRIBUTE_LIFE_DURATION_MASK | PARTICLE_ATTRIBUTE_PARTICLE_ID_MASK; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_Cull, "Cull Random", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_Cull ) DMXELEMENT_UNPACK_FIELD( "Cull Start Time", "0", float, m_flCullStart ) DMXELEMENT_UNPACK_FIELD( "Cull End Time", "1", float, m_flCullEnd ) DMXELEMENT_UNPACK_FIELD( "Cull Time Exponent", "1", float, m_flCullExp ) DMXELEMENT_UNPACK_FIELD( "Cull Percentage", "0.5", float, m_flCullPerc ) END_PARTICLE_OPERATOR_UNPACK( C_OP_Cull ) void C_OP_Cull::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { const float *pCreationTime; const float *pLifeDuration; float flLifeTime; int nRandomOffset = pParticles->OperatorRandomSampleOffset(); // FIXME: SSE-ize for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { pCreationTime = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_CREATION_TIME, i ); pLifeDuration = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_LIFE_DURATION, i ); int nParticleId = *pParticles->GetIntAttributePtr( PARTICLE_ATTRIBUTE_PARTICLE_ID, i ); float flCullRank = pParticles->RandomFloat( nParticleId + nRandomOffset + 15, 0.0f, 1.0f); float flCullTime = pParticles->RandomFloatExp( nParticleId + nRandomOffset + 12, m_flCullStart, m_flCullEnd, m_flCullExp ); if ( flCullRank > ( m_flCullPerc * flStrength ) ) { continue; } // Find our life percentage flLifeTime = clamp( ( pParticles->m_flCurTime - *pCreationTime ) / ( *pLifeDuration ), 0.0f, 1.0f ); if ( flLifeTime >= m_flCullStart && flLifeTime <= m_flCullEnd && flLifeTime >= flCullTime ) { pParticles->KillParticle( i ); } } } //----------------------------------------------------------------------------- // generic spin operator //----------------------------------------------------------------------------- class CGeneralSpin : public CParticleOperatorInstance { protected: virtual int GetAttributeToSpin( void ) const =0; uint32 GetWrittenAttributes( void ) const { if ( m_nSpinRateDegrees != 0.0 ) return (1 << GetAttributeToSpin() ); return 0; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_CREATION_TIME_MASK | PARTICLE_ATTRIBUTE_LIFE_DURATION_MASK; } virtual void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { m_fSpinRateRadians = (float) m_nSpinRateDegrees * ( M_PI / 180.0f ); m_fSpinRateMinRadians = (float) m_nSpinRateMinDegrees * ( M_PI / 180.0f ); } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; int m_nSpinRateDegrees; int m_nSpinRateMinDegrees; float m_fSpinRateRadians; float m_fSpinRateStopTime; float m_fSpinRateMinRadians; }; void CGeneralSpin::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { float fCurSpinRate = m_fSpinRateRadians * flStrength; if ( fCurSpinRate == 0.0 ) return; float dt = pParticles->m_flDt; float drot = dt * fabs( fCurSpinRate * 2.0f * M_PI ); if ( m_fSpinRateStopTime == 0.0f ) { drot = fmod( drot, (float)(2.0f * M_PI) ); } if ( fCurSpinRate < 0.0f ) { drot = -drot; } fltx4 Rot_Add = ReplicateX4( drot ); fltx4 Pi_2 = ReplicateX4( 2.0*M_PI ); fltx4 nPi_2 = ReplicateX4( -2.0*M_PI ); // FIXME: This is wrong fltx4 minSpeedRadians = ReplicateX4( dt * fabs( m_fSpinRateMinRadians * 2.0f * M_PI ) ); fltx4 now = pParticles->m_fl4CurTime; fltx4 SpinRateStopTime = ReplicateX4( m_fSpinRateStopTime ); CM128AttributeIterator pCreationTimeStamp( PARTICLE_ATTRIBUTE_CREATION_TIME, pParticles ); CM128AttributeIterator pLifeDuration( PARTICLE_ATTRIBUTE_LIFE_DURATION, pParticles ); CM128AttributeWriteIterator pRot( GetAttributeToSpin(), pParticles ); int nActive = pParticles->m_nActiveParticles; for( int i=0; i < nActive; i+=4 ) { // HACK: Rather than redo this, I'm simply remapping the stop time into the percentage of lifetime, rather than seconds fltx4 LifeSpan = *pLifeDuration; fltx4 SpinFadePerc = Four_Zeros; fltx4 OOSpinFadeRate = Four_Zeros; if ( m_fSpinRateStopTime ) { SpinFadePerc = MulSIMD( LifeSpan, SpinRateStopTime ); OOSpinFadeRate = DivSIMD( Four_Ones, SpinFadePerc ); } fltx4 Age = SubSIMD( now, *pCreationTimeStamp ); fltx4 RScale = MaxSIMD( Four_Zeros, SubSIMD( Four_Ones, MulSIMD( Age, OOSpinFadeRate ) ) ); // Cap the rotation at a minimum speed fltx4 deltaRot = MulSIMD( Rot_Add, RScale ); fltx4 Tooslow = CmpLeSIMD( deltaRot, minSpeedRadians ); deltaRot = OrSIMD( AndSIMD( Tooslow, minSpeedRadians ), AndNotSIMD( Tooslow, deltaRot ) ); fltx4 NewRot = AddSIMD( *pRot, deltaRot ); // now, cap at +/- 2*pi fltx4 Toobig =CmpGeSIMD( NewRot, Pi_2 ); fltx4 Toosmall = CmpLeSIMD( NewRot, nPi_2 ); NewRot = OrSIMD( AndSIMD( Toobig, SubSIMD( NewRot, Pi_2 ) ), AndNotSIMD( Toobig, NewRot ) ); NewRot = OrSIMD( AndSIMD( Toosmall, AddSIMD( NewRot, Pi_2 ) ), AndNotSIMD( Toosmall, NewRot ) ); *( pRot )= NewRot; ++pRot; ++pCreationTimeStamp; ++pLifeDuration; } } //----------------------------------------------------------------------------- // generic spin operator, version 2. Uses rotation_speed //----------------------------------------------------------------------------- class CSpinUpdateBase : public CParticleOperatorInstance { protected: virtual int GetAttributeToSpin( void ) const =0; virtual int GetSpinSpeedAttribute( void ) const =0; uint32 GetWrittenAttributes( void ) const { return (1 << GetAttributeToSpin() ); } uint32 GetReadAttributes( void ) const { return ( 1 << GetAttributeToSpin() ) | ( 1 << GetSpinSpeedAttribute() ) | PARTICLE_ATTRIBUTE_CREATION_TIME_MASK; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; void CSpinUpdateBase::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { CM128AttributeIterator pCreationTimeStamp( PARTICLE_ATTRIBUTE_CREATION_TIME, pParticles ); CM128AttributeIterator pRotationSpeed( GetSpinSpeedAttribute(), pParticles ); CM128AttributeWriteIterator pRot( GetAttributeToSpin(), pParticles ); fltx4 fl4CurTime = pParticles->m_fl4CurTime; fltx4 fl4Dt = ReplicateX4( pParticles->m_flDt ); fltx4 fl4ScaleFactor = ReplicateX4( flStrength ); int nActive = pParticles->m_nActiveParticles; for( int i=0; i < nActive; i += 4 ) { fltx4 fl4SimTime = MinSIMD( fl4Dt, SubSIMD( fl4CurTime, *pCreationTimeStamp ) ); fl4SimTime = MulSIMD( fl4SimTime, fl4ScaleFactor ); *pRot = MaddSIMD( fl4SimTime, *pRotationSpeed, *pRot ); ++pRot; ++pRotationSpeed; ++pCreationTimeStamp; } } class C_OP_Spin : public CGeneralSpin { DECLARE_PARTICLE_OPERATOR( C_OP_Spin ); int GetAttributeToSpin( void ) const { return PARTICLE_ATTRIBUTE_ROTATION; } }; DEFINE_PARTICLE_OPERATOR( C_OP_Spin, "Rotation Spin Roll", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_Spin ) DMXELEMENT_UNPACK_FIELD( "spin_rate_degrees", "0", int, m_nSpinRateDegrees ) DMXELEMENT_UNPACK_FIELD( "spin_stop_time", "0", float, m_fSpinRateStopTime ) DMXELEMENT_UNPACK_FIELD( "spin_rate_min", "0", int, m_nSpinRateMinDegrees ) END_PARTICLE_OPERATOR_UNPACK( C_OP_Spin ) class C_OP_SpinUpdate : public CSpinUpdateBase { DECLARE_PARTICLE_OPERATOR( C_OP_SpinUpdate ); virtual int GetAttributeToSpin( void ) const { return PARTICLE_ATTRIBUTE_ROTATION; } virtual int GetSpinSpeedAttribute( void ) const { return PARTICLE_ATTRIBUTE_ROTATION_SPEED; } }; DEFINE_PARTICLE_OPERATOR( C_OP_SpinUpdate, "Rotation Basic", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_SpinUpdate ) END_PARTICLE_OPERATOR_UNPACK( C_OP_SpinUpdate ) class C_OP_SpinYaw : public CGeneralSpin { DECLARE_PARTICLE_OPERATOR( C_OP_SpinYaw ); int GetAttributeToSpin( void ) const { return PARTICLE_ATTRIBUTE_YAW; } }; DEFINE_PARTICLE_OPERATOR( C_OP_SpinYaw, "Rotation Spin Yaw", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_SpinYaw ) DMXELEMENT_UNPACK_FIELD( "yaw_rate_degrees", "0", int, m_nSpinRateDegrees ) DMXELEMENT_UNPACK_FIELD( "yaw_stop_time", "0", float, m_fSpinRateStopTime ) DMXELEMENT_UNPACK_FIELD( "yaw_rate_min", "0", int, m_nSpinRateMinDegrees ) END_PARTICLE_OPERATOR_UNPACK( C_OP_SpinYaw ) //----------------------------------------------------------------------------- // Size changing operator //----------------------------------------------------------------------------- class C_OP_InterpolateRadius : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_InterpolateRadius ); uint32 GetReadInitialAttributes( void ) const { return PARTICLE_ATTRIBUTE_RADIUS_MASK; } uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_RADIUS_MASK; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_CREATION_TIME_MASK | PARTICLE_ATTRIBUTE_LIFE_DURATION_MASK; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { m_flBias = ( m_flBias != 0.0f ) ? m_flBias : 0.5f; m_fl4BiasParam = PreCalcBiasParameter( ReplicateX4( m_flBias ) ); } float m_flStartTime; float m_flEndTime; float m_flStartScale; float m_flEndScale; bool m_bEaseInAndOut; float m_flBias; fltx4 m_fl4BiasParam; }; DEFINE_PARTICLE_OPERATOR( C_OP_InterpolateRadius, "Radius Scale", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_InterpolateRadius ) DMXELEMENT_UNPACK_FIELD( "start_time", "0", float, m_flStartTime ) DMXELEMENT_UNPACK_FIELD( "end_time", "1", float, m_flEndTime ) DMXELEMENT_UNPACK_FIELD( "radius_start_scale", "1", float, m_flStartScale ) DMXELEMENT_UNPACK_FIELD( "radius_end_scale", "1", float, m_flEndScale ) DMXELEMENT_UNPACK_FIELD( "ease_in_and_out", "0", bool, m_bEaseInAndOut ) DMXELEMENT_UNPACK_FIELD( "scale_bias", "0.5", float, m_flBias ) END_PARTICLE_OPERATOR_UNPACK( C_OP_InterpolateRadius ) void C_OP_InterpolateRadius::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { if ( m_flEndTime <= m_flStartTime ) return; CM128AttributeIterator pCreationTime( PARTICLE_ATTRIBUTE_CREATION_TIME, pParticles ); CM128AttributeIterator pLifeDuration( PARTICLE_ATTRIBUTE_LIFE_DURATION, pParticles ); CM128AttributeWriteIterator pRadius( PARTICLE_ATTRIBUTE_RADIUS, pParticles ); CM128InitialAttributeIterator pInitialRadius( PARTICLE_ATTRIBUTE_RADIUS, pParticles ); fltx4 fl4StartTime = ReplicateX4( m_flStartTime ); fltx4 fl4EndTime = ReplicateX4( m_flEndTime ); fltx4 fl4OOTimeWidth = ReciprocalSIMD( SubSIMD( fl4EndTime, fl4StartTime ) ); fltx4 fl4ScaleWidth = ReplicateX4( m_flEndScale - m_flStartScale ); fltx4 fl4StartScale = ReplicateX4( m_flStartScale ); fltx4 fl4CurTime = pParticles->m_fl4CurTime; int nCtr = pParticles->m_nPaddedActiveParticles; if ( m_bEaseInAndOut ) { do { fltx4 fl4LifeDuration = *pLifeDuration; fltx4 fl4GoodMask = CmpGtSIMD( fl4LifeDuration, Four_Zeros ); fltx4 fl4LifeTime = MulSIMD( SubSIMD( fl4CurTime, *pCreationTime ), ReciprocalEstSIMD( fl4LifeDuration ) ); // maybe need accurate div here? fl4GoodMask = AndSIMD( fl4GoodMask, CmpGeSIMD( fl4LifeTime, fl4StartTime ) ); fl4GoodMask = AndSIMD( fl4GoodMask, CmpLtSIMD( fl4LifeTime, fl4EndTime ) ); if ( IsAnyNegative( fl4GoodMask ) ) { fltx4 fl4FadeWindow = MulSIMD( SubSIMD( fl4LifeTime, fl4StartTime ), fl4OOTimeWidth ); fl4FadeWindow = AddSIMD( fl4StartScale, MulSIMD( SimpleSpline( fl4FadeWindow ), fl4ScaleWidth ) ); // !!speed!! - can anyone really tell the diff between spline and lerp here? *pRadius = MaskedAssign( fl4GoodMask, MulSIMD( *pInitialRadius, fl4FadeWindow ), *pRadius ); } ++pCreationTime; ++pLifeDuration; ++pRadius; ++pInitialRadius; } while (--nCtr ); } else { if ( m_flBias == 0.5f ) // no bias case { do { fltx4 fl4LifeDuration = *pLifeDuration; fltx4 fl4GoodMask = CmpGtSIMD( fl4LifeDuration, Four_Zeros ); fltx4 fl4LifeTime = MulSIMD( SubSIMD( fl4CurTime, *pCreationTime ), ReciprocalEstSIMD( fl4LifeDuration ) ); // maybe need accurate div here? fl4GoodMask = AndSIMD( fl4GoodMask, CmpGeSIMD( fl4LifeTime, fl4StartTime ) ); fl4GoodMask = AndSIMD( fl4GoodMask, CmpLtSIMD( fl4LifeTime, fl4EndTime ) ); if ( IsAnyNegative( fl4GoodMask ) ) { fltx4 fl4FadeWindow = MulSIMD( SubSIMD( fl4LifeTime, fl4StartTime ), fl4OOTimeWidth ); fl4FadeWindow = AddSIMD( fl4StartScale, MulSIMD( fl4FadeWindow, fl4ScaleWidth ) ); *pRadius = MaskedAssign( fl4GoodMask, MulSIMD( *pInitialRadius, fl4FadeWindow ), *pRadius ); } ++pCreationTime; ++pLifeDuration; ++pRadius; ++pInitialRadius; } while (--nCtr ); } else { // use rational approximation to bias do { fltx4 fl4LifeDuration = *pLifeDuration; fltx4 fl4GoodMask = CmpGtSIMD( fl4LifeDuration, Four_Zeros ); fltx4 fl4LifeTime = MulSIMD( SubSIMD( fl4CurTime, *pCreationTime ), ReciprocalEstSIMD( fl4LifeDuration ) ); // maybe need accurate div here? fl4GoodMask = AndSIMD( fl4GoodMask, CmpGeSIMD( fl4LifeTime, fl4StartTime ) ); fl4GoodMask = AndSIMD( fl4GoodMask, CmpLtSIMD( fl4LifeTime, fl4EndTime ) ); if ( IsAnyNegative( fl4GoodMask ) ) { fltx4 fl4FadeWindow = MulSIMD( SubSIMD( fl4LifeTime, fl4StartTime ), fl4OOTimeWidth ); #ifdef FP_EXCEPTIONS_ENABLED // Wherever fl4GoodMask is zero we need to ensure that fl4FadeWindow is not zero // to avoid 0/0 divides in BiasSIMD. Setting those elements to fl4EndTime // should do the trick... fl4FadeWindow = OrSIMD( AndSIMD( fl4GoodMask, fl4EndTime ), AndNotSIMD( fl4GoodMask, fl4EndTime ) ); #endif fl4FadeWindow = AddSIMD( fl4StartScale, MulSIMD( BiasSIMD( fl4FadeWindow, m_fl4BiasParam ), fl4ScaleWidth ) ); *pRadius = MaskedAssign( fl4GoodMask, MulSIMD( *pInitialRadius, fl4FadeWindow ), *pRadius ); } ++pCreationTime; ++pLifeDuration; ++pRadius; ++pInitialRadius; } while (--nCtr ); } } } //----------------------------------------------------------------------------- // Color Fade //----------------------------------------------------------------------------- class C_OP_ColorInterpolate : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_ColorInterpolate ); uint32 GetReadInitialAttributes( void ) const { return PARTICLE_ATTRIBUTE_TINT_RGB_MASK; } uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_TINT_RGB_MASK; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_CREATION_TIME_MASK | PARTICLE_ATTRIBUTE_LIFE_DURATION_MASK; } virtual void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { m_flColorFade[0] = m_ColorFade[0] / 255.0f; m_flColorFade[1] = m_ColorFade[1] / 255.0f; m_flColorFade[2] = m_ColorFade[2] / 255.0f; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; Color m_ColorFade; float m_flColorFade[3]; float m_flFadeStartTime; float m_flFadeEndTime; bool m_bEaseInOut; }; void C_OP_ColorInterpolate::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { C4VAttributeWriteIterator pColor( PARTICLE_ATTRIBUTE_TINT_RGB, pParticles ); CM128AttributeIterator pCreationTime( PARTICLE_ATTRIBUTE_CREATION_TIME, pParticles ); CM128AttributeIterator pLifeDuration( PARTICLE_ATTRIBUTE_LIFE_DURATION, pParticles ); C4VInitialAttributeIterator pInitialColor( PARTICLE_ATTRIBUTE_TINT_RGB, pParticles ); if ( m_flFadeEndTime == m_flFadeStartTime ) return; fltx4 ooInRange = ReplicateX4( 1.0 / ( m_flFadeEndTime - m_flFadeStartTime ) ); fltx4 curTime = pParticles->m_fl4CurTime; fltx4 lowRange = ReplicateX4( m_flFadeStartTime ); fltx4 targetR = ReplicateX4( m_flColorFade[0] ); fltx4 targetG = ReplicateX4( m_flColorFade[1] ); fltx4 targetB = ReplicateX4( m_flColorFade[2] ); int nCtr = pParticles->m_nPaddedActiveParticles; if ( m_bEaseInOut ) { do { fltx4 goodMask = CmpGtSIMD( *pLifeDuration, Four_Zeros ); if ( IsAnyNegative( goodMask ) ) { fltx4 flLifeTime = DivSIMD( SubSIMD( curTime, *pCreationTime ), *pLifeDuration ); fltx4 T = MulSIMD( SubSIMD( flLifeTime, lowRange ), ooInRange ); T = MinSIMD( Four_Ones, MaxSIMD( Four_Zeros, T ) ); T = SimpleSpline( T ); pColor->x = MaskedAssign( goodMask, AddSIMD( pInitialColor->x, MulSIMD( T, SubSIMD( targetR, pInitialColor->x ) ) ), pColor->x ); pColor->y = MaskedAssign( goodMask, AddSIMD( pInitialColor->y, MulSIMD( T, SubSIMD( targetG, pInitialColor->y ) ) ), pColor->y ); pColor->z = MaskedAssign( goodMask, AddSIMD( pInitialColor->z, MulSIMD( T, SubSIMD( targetB, pInitialColor->z ) ) ), pColor->z ); } ++pColor; ++pCreationTime; ++pLifeDuration; ++pInitialColor; } while( --nCtr ); } else { do { fltx4 goodMask = CmpGtSIMD( *pLifeDuration, Four_Zeros ); if ( IsAnyNegative( goodMask ) ) { fltx4 flLifeTime = DivSIMD( SubSIMD( curTime, *pCreationTime ), *pLifeDuration ); fltx4 T = MulSIMD( SubSIMD( flLifeTime, lowRange ), ooInRange ); T = MinSIMD( Four_Ones, MaxSIMD( Four_Zeros, T ) ); pColor->x = MaskedAssign( goodMask, AddSIMD( pInitialColor->x, MulSIMD( T, SubSIMD( targetR, pInitialColor->x ) ) ), pColor->x ); pColor->y = MaskedAssign( goodMask, AddSIMD( pInitialColor->y, MulSIMD( T, SubSIMD( targetG, pInitialColor->y ) ) ), pColor->y ); pColor->z = MaskedAssign( goodMask, AddSIMD( pInitialColor->z, MulSIMD( T, SubSIMD( targetB, pInitialColor->z ) ) ), pColor->z ); } ++pColor; ++pCreationTime; ++pLifeDuration; ++pInitialColor; } while( --nCtr ); } } DEFINE_PARTICLE_OPERATOR( C_OP_ColorInterpolate, "Color Fade", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_ColorInterpolate ) DMXELEMENT_UNPACK_FIELD( "color_fade", "255 255 255 255", Color, m_ColorFade ) DMXELEMENT_UNPACK_FIELD( "fade_start_time", "0", float, m_flFadeStartTime ) DMXELEMENT_UNPACK_FIELD( "fade_end_time", "1", float, m_flFadeEndTime ) DMXELEMENT_UNPACK_FIELD( "ease_in_and_out", "1", bool, m_bEaseInOut ) END_PARTICLE_OPERATOR_UNPACK( C_OP_ColorInterpolate ) //----------------------------------------------------------------------------- // Position Lock to Control Point // Locks all particles to the specified control point // Useful for making particles move with their emitter and so forth //----------------------------------------------------------------------------- class C_OP_PositionLock : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_PositionLock ); struct C_OP_PositionLockContext_t { Vector m_vPrevPosition; matrix3x4_t m_matPrevTransform; }; int m_nControlPointNumber; Vector m_vPrevPosition; float m_flStartTime_min; float m_flStartTime_max; float m_flStartTime_exp; float m_flEndTime_min; float m_flEndTime_max; float m_flEndTime_exp; float m_flRange; bool m_bLockRot; uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_PREV_XYZ_MASK | PARTICLE_ATTRIBUTE_XYZ_MASK; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_CREATION_TIME_MASK | PARTICLE_ATTRIBUTE_LIFE_DURATION_MASK | PARTICLE_ATTRIBUTE_PARTICLE_ID_MASK; } virtual uint64 GetReadControlPointMask() const { return 1ULL << m_nControlPointNumber; } void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { m_nControlPointNumber = max( 0, min( MAX_PARTICLE_CONTROL_POINTS-1, m_nControlPointNumber ) ); } size_t GetRequiredContextBytes( void ) const { return sizeof( C_OP_PositionLockContext_t ); } virtual void InitializeContextData( CParticleCollection *pParticles, void *pContext ) const { C_OP_PositionLockContext_t *pCtx=reinterpret_cast( pContext ); pCtx->m_vPrevPosition = vec3_origin; pParticles->GetControlPointTransformAtTime( m_nControlPointNumber, pParticles->m_flCurTime, &pCtx->m_matPrevTransform ); } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_PositionLock , "Movement Lock to Control Point", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_PositionLock ) DMXELEMENT_UNPACK_FIELD( "control_point_number", "0", int, m_nControlPointNumber ) DMXELEMENT_UNPACK_FIELD( "start_fadeout_min", "1", float, m_flStartTime_min ) DMXELEMENT_UNPACK_FIELD( "start_fadeout_max", "1", float, m_flStartTime_max ) DMXELEMENT_UNPACK_FIELD( "start_fadeout_exponent", "1", float, m_flStartTime_exp ) DMXELEMENT_UNPACK_FIELD( "end_fadeout_min", "1", float, m_flEndTime_min ) DMXELEMENT_UNPACK_FIELD( "end_fadeout_max", "1", float, m_flEndTime_max ) DMXELEMENT_UNPACK_FIELD( "end_fadeout_exponent", "1", float, m_flEndTime_exp ) DMXELEMENT_UNPACK_FIELD( "distance fade range", "0", float, m_flRange ) DMXELEMENT_UNPACK_FIELD( "lock rotation", "0", bool, m_bLockRot ) END_PARTICLE_OPERATOR_UNPACK( C_OP_PositionLock ) #ifdef OLD_NON_SSE_POSLOCK_FOR_TESTING void C_OP_PositionLock::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { Vector vecControlPoint = pParticles->GetControlPointAtCurrentTime( m_nControlPointNumber ); // At initialization, set prevposition to the control point to prevent random placements/velocities C_OP_PositionLockContext_t *pCtx=reinterpret_cast( pContext ); if ( pCtx->m_vPrevPosition == Vector (0, 0, 0) ) { pCtx->m_vPrevPosition = vecControlPoint; } // Control point movement delta int nRandomOffset = pParticles->OperatorRandomSampleOffset(); // FIXME: SSE-ize for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { Vector vecPrevCPPos = pCtx->m_vPrevPosition; const float *pCreationTime; const float *pLifeDuration; pCreationTime = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_CREATION_TIME, i ); pLifeDuration = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_LIFE_DURATION, i ); float flLifeTime = *pLifeDuration != 0.0f ? clamp( ( pParticles->m_flCurTime - *pCreationTime ) / ( *pLifeDuration ), 0.0f, 1.0f ) : 0.0f; if ( *pCreationTime >= ( pParticles->m_flCurTime - pParticles->m_flDt ) ) { pParticles->GetControlPointAtTime( m_nControlPointNumber, *pCreationTime, &vecPrevCPPos ); } Vector vDelta = vecControlPoint - vecPrevCPPos; vDelta *= flStrength; // clamp activity to start/end time int nParticleId = *pParticles->GetIntAttributePtr( PARTICLE_ATTRIBUTE_PARTICLE_ID, i ); float flStartTime = pParticles->RandomFloatExp( nParticleId + nRandomOffset + 9, m_flStartTime_min, m_flStartTime_max, m_flStartTime_exp ); float flEndTime = pParticles->RandomFloatExp( nParticleId + nRandomOffset + 10, m_flEndTime_min, m_flEndTime_max, m_flEndTime_exp ); // bias attachedness by fadeout float flLockScale = SimpleSplineRemapValClamped( flLifeTime, flStartTime, flEndTime, 1.0f, 0.0f ); float *xyz = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_XYZ, i ); float *xyz_prev = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_PREV_XYZ, i ); Vector vecParticlePosition, vecParticlePosition_prev ; SetVectorFromAttribute( vecParticlePosition, xyz ); SetVectorFromAttribute( vecParticlePosition_prev, xyz_prev ); float flDampenAmount = 1; if ( m_flRange != 0 ) { Vector ofs; ofs = (vecParticlePosition + ( vDelta * flLockScale ) ) - vecControlPoint; float flDistance = ofs.Length(); flDampenAmount = SimpleSplineRemapValClamped( flDistance, 0, m_flRange, 1.0f, 0.0f ); flDampenAmount = Bias( flDampenAmount, .2 ); } Vector vParticleDelta = vDelta * flLockScale * flDampenAmount; vecParticlePosition += vParticleDelta; vecParticlePosition_prev += vParticleDelta; SetVectorAttribute( xyz, vecParticlePosition ); SetVectorAttribute( xyz_prev, vecParticlePosition_prev ); } // Store off the control point position for the next delta computation pCtx->m_vPrevPosition = vecControlPoint; }; #else void C_OP_PositionLock::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { Vector vecControlPoint = pParticles->GetControlPointAtCurrentTime( m_nControlPointNumber ); // At initialization, set prevposition to the control point to prevent random placements/velocities C_OP_PositionLockContext_t *pCtx=reinterpret_cast( pContext ); if ( pCtx->m_vPrevPosition == Vector (0, 0, 0) ) { pCtx->m_vPrevPosition = vecControlPoint; pParticles->GetControlPointTransformAtTime( m_nControlPointNumber, pParticles->m_flCurTime, &pCtx->m_matPrevTransform ); } Vector vDelta; matrix3x4_t matCurrentTransform; matrix3x4_t matTransformLock; if ( m_bLockRot ) { pParticles->GetControlPointTransformAtTime( m_nControlPointNumber, pParticles->m_flCurTime, &matCurrentTransform ); matrix3x4_t matPrev; //if ( MatricesAreEqual ( matCurrentTransform, pCtx->m_matPrevTransform ) ) // return; MatrixInvert( pCtx->m_matPrevTransform, matPrev ); MatrixMultiply( matCurrentTransform, matPrev, matTransformLock); } int nContext = GetSIMDRandContext(); // Control point movement delta - not full transform vDelta = vecControlPoint - pCtx->m_vPrevPosition; //if ( vDelta == vec3_origin && !m_bLockRot ) // return; vDelta *= flStrength; FourVectors v4Delta; v4Delta.DuplicateVector( vDelta ); FourVectors v4ControlPoint; v4ControlPoint.DuplicateVector( vecControlPoint ); C4VAttributeWriteIterator pXYZ( PARTICLE_ATTRIBUTE_XYZ, pParticles ); C4VAttributeWriteIterator pPrevXYZ( PARTICLE_ATTRIBUTE_PREV_XYZ, pParticles ); fltx4 fl4_Dt = ReplicateX4( pParticles->m_flDt ); int nCtr = pParticles->m_nPaddedActiveParticles; bool bUseRange = ( m_flRange != 0.0 ); fltx4 fl4OORange; if ( bUseRange ) fl4OORange = ReplicateX4( 1.0 / m_flRange ); fltx4 fl4BiasParm = PreCalcBiasParameter( ReplicateX4( 0.2 ) ); if ( m_flStartTime_min >= 1.0 ) // always locked on { CM128AttributeIterator pCreationTime( PARTICLE_ATTRIBUTE_CREATION_TIME, pParticles ); do { fltx4 fl4ParticleAge = SubSIMD( pParticles->m_fl4CurTime, *pCreationTime); fltx4 fl4CreationFrameBias = MinSIMD( fl4ParticleAge, fl4_Dt ); fl4CreationFrameBias = MulSIMD( DivSIMD( Four_Ones, fl4_Dt ), fl4CreationFrameBias ); FourVectors v4ScaledDelta = v4Delta; v4ScaledDelta *= fl4CreationFrameBias; fltx4 fl4LockStrength = ReplicateX4( flStrength ); // ok, some of these particles should be moved if ( bUseRange ) { FourVectors ofs = *pXYZ; ofs += v4ScaledDelta; ofs -= v4ControlPoint; fltx4 fl4Dist = ofs.length(); fl4Dist = BiasSIMD( MinSIMD( Four_Ones, MulSIMD( fl4Dist, fl4OORange ) ), fl4BiasParm ); v4ScaledDelta *= SubSIMD( Four_Ones, fl4Dist ); fl4LockStrength = SubSIMD( Four_Ones, MulSIMD ( fl4Dist, fl4LockStrength ) ); } if ( m_bLockRot ) { fl4LockStrength = MulSIMD( fl4LockStrength, fl4CreationFrameBias ); FourVectors fvCurPos = *pXYZ; FourVectors fvPrevPos = *pPrevXYZ; fvCurPos.TransformBy( matTransformLock ); fvPrevPos.TransformBy( matTransformLock ); fvCurPos -= *pXYZ; fvCurPos *= fl4LockStrength; fvPrevPos -= *pPrevXYZ; fvPrevPos *= fl4LockStrength; *(pXYZ) += fvCurPos; *(pPrevXYZ) += fvPrevPos; } else { *(pXYZ) += v4ScaledDelta; *(pPrevXYZ) += v4ScaledDelta; } ++pCreationTime; ++pXYZ; ++pPrevXYZ; } while ( --nCtr ); } else { CM128AttributeIterator pCreationTime( PARTICLE_ATTRIBUTE_CREATION_TIME, pParticles ); CM128AttributeIterator pLifeDuration( PARTICLE_ATTRIBUTE_LIFE_DURATION, pParticles ); fltx4 fl4CurTime = pParticles->m_fl4CurTime; fltx4 fl4StartRange = ReplicateX4( m_flStartTime_max - m_flStartTime_min ); fltx4 fl4StartBias = ReplicateX4( m_flStartTime_min ); fltx4 fl4EndRange = ReplicateX4( m_flEndTime_max - m_flEndTime_min ); fltx4 fl4EndBias = ReplicateX4( m_flEndTime_min ); int nSSEStartExponent = m_flStartTime_exp * 4.0; int nSSEEndExponent = m_flEndTime_exp * 4.0; do { fltx4 fl4LifeTime = SubSIMD( fl4CurTime, *pCreationTime ); fltx4 fl4CreationFrameBias = MinSIMD( fl4LifeTime, fl4_Dt ); fl4CreationFrameBias = MulSIMD( DivSIMD( Four_Ones, fl4_Dt ), fl4CreationFrameBias ); FourVectors v4ScaledDelta = v4Delta; v4ScaledDelta *= fl4CreationFrameBias; fl4LifeTime = MaxSIMD( Four_Zeros, MinSIMD( Four_Ones, MulSIMD( fl4LifeTime, ReciprocalEstSIMD( *pLifeDuration ) ) ) ); fltx4 fl4StartTime = Pow_FixedPoint_Exponent_SIMD( RandSIMD( nContext ), nSSEStartExponent ); fl4StartTime = AddSIMD( fl4StartBias, MulSIMD( fl4StartTime, fl4StartRange ) ); fltx4 fl4EndTime = Pow_FixedPoint_Exponent_SIMD( RandSIMD( nContext ), nSSEEndExponent ); fl4EndTime = AddSIMD( fl4EndBias, MulSIMD( fl4EndTime, fl4EndRange ) ); // now, determine "lockedness" fltx4 fl4LockScale = DivSIMD( SubSIMD( fl4LifeTime, fl4StartTime ), SubSIMD( fl4EndTime, fl4StartTime ) ); fl4LockScale = SubSIMD( Four_Ones, MaxSIMD( Four_Zeros, MinSIMD( Four_Ones, fl4LockScale ) ) ); if ( IsAnyNegative( CmpGtSIMD( fl4LockScale, Four_Zeros ) ) ) { //fl4LockScale = MulSIMD( fl4LockScale, fl4CreationFrameBias ); v4ScaledDelta *= fl4LockScale; fltx4 fl4LockStrength = fl4LockScale ; // ok, some of these particles should be moved if ( bUseRange ) { FourVectors ofs = *pXYZ; ofs += v4ScaledDelta; ofs -= v4ControlPoint; fltx4 fl4Dist = ofs.length(); fl4Dist = BiasSIMD( MinSIMD( Four_Ones, MulSIMD( fl4Dist, fl4OORange ) ), fl4BiasParm ); v4ScaledDelta *= SubSIMD( Four_Ones, fl4Dist ); fl4LockStrength = SubSIMD( Four_Ones, MulSIMD ( fl4Dist, fl4LockStrength ) ); } if ( m_bLockRot ) { fl4LockStrength = MulSIMD( fl4LockStrength, fl4CreationFrameBias ); FourVectors fvCurPos = *pXYZ; FourVectors fvPrevPos = *pPrevXYZ; fvCurPos.TransformBy( matTransformLock ); fvPrevPos.TransformBy( matTransformLock ); fvCurPos -= *pXYZ; fvCurPos *= fl4LockStrength; fvPrevPos -= *pPrevXYZ; fvPrevPos *= fl4LockStrength; *(pXYZ) += fvCurPos; *(pPrevXYZ) += fvPrevPos; } else { *(pXYZ) += v4ScaledDelta; *(pPrevXYZ) += v4ScaledDelta; } } ++pCreationTime; ++pLifeDuration; ++pXYZ; ++pPrevXYZ; } while ( --nCtr ); } // Store off the control point position for the next delta computation pCtx->m_vPrevPosition = vecControlPoint; pCtx->m_matPrevTransform = matCurrentTransform; ReleaseSIMDRandContext( nContext ); }; #endif //----------------------------------------------------------------------------- // Controlpoint Light // Determines particle color/fakes lighting using the influence of control // points //----------------------------------------------------------------------------- class C_OP_ControlpointLight : public CParticleOperatorInstance { float m_flScale; LightDesc_t m_LightNode1, m_LightNode2, m_LightNode3, m_LightNode4; int m_nControlPoint1, m_nControlPoint2, m_nControlPoint3, m_nControlPoint4; Vector m_vecCPOffset1, m_vecCPOffset2, m_vecCPOffset3, m_vecCPOffset4; float m_LightFiftyDist1, m_LightZeroDist1, m_LightFiftyDist2, m_LightZeroDist2, m_LightFiftyDist3, m_LightZeroDist3, m_LightFiftyDist4, m_LightZeroDist4; Color m_LightColor1, m_LightColor2, m_LightColor3, m_LightColor4; bool m_bLightType1, m_bLightType2, m_bLightType3, m_bLightType4, m_bLightDynamic1, m_bLightDynamic2, m_bLightDynamic3, m_bLightDynamic4, m_bUseNormal, m_bUseHLambert, m_bLightActive1, m_bLightActive2, m_bLightActive3, m_bLightActive4, m_bClampLowerRange, m_bClampUpperRange; DECLARE_PARTICLE_OPERATOR( C_OP_ControlpointLight ); uint32 GetReadInitialAttributes( void ) const { return PARTICLE_ATTRIBUTE_TINT_RGB_MASK; } uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_TINT_RGB_MASK; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK; } virtual uint64 GetReadControlPointMask() const { return ( 1ULL << m_nControlPoint1 ) | ( 1ULL << m_nControlPoint2 ) | ( 1ULL << m_nControlPoint3 ) | ( 1ULL << m_nControlPoint4 ); } virtual void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { m_LightNode1.m_Color[0] = m_LightColor1[0] / 255.0f; m_LightNode1.m_Color[1] = m_LightColor1[1] / 255.0f; m_LightNode1.m_Color[2] = m_LightColor1[2] / 255.0f; m_LightNode2.m_Color[0] = m_LightColor2[0] / 255.0f; m_LightNode2.m_Color[1] = m_LightColor2[1] / 255.0f; m_LightNode2.m_Color[2] = m_LightColor2[2] / 255.0f; m_LightNode3.m_Color[0] = m_LightColor3[0] / 255.0f; m_LightNode3.m_Color[1] = m_LightColor3[1] / 255.0f; m_LightNode3.m_Color[2] = m_LightColor3[2] / 255.0f; m_LightNode4.m_Color[0] = m_LightColor4[0] / 255.0f; m_LightNode4.m_Color[1] = m_LightColor4[1] / 255.0f; m_LightNode4.m_Color[2] = m_LightColor4[2] / 255.0f; m_LightNode1.m_Range = 0; m_LightNode2.m_Range = 0; m_LightNode3.m_Range = 0; m_LightNode4.m_Range = 0; m_LightNode1.m_Falloff=5.0; m_LightNode2.m_Falloff=5.0; m_LightNode3.m_Falloff=5.0; m_LightNode4.m_Falloff=5.0; m_LightNode1.m_Attenuation0 = 0; m_LightNode1.m_Attenuation1 = 0; m_LightNode1.m_Attenuation2 = 1; m_LightNode2.m_Attenuation0 = 0; m_LightNode2.m_Attenuation1 = 0; m_LightNode2.m_Attenuation2 = 1; m_LightNode3.m_Attenuation0 = 0; m_LightNode3.m_Attenuation1 = 0; m_LightNode3.m_Attenuation2 = 1; m_LightNode4.m_Attenuation0 = 0; m_LightNode4.m_Attenuation1 = 0; m_LightNode4.m_Attenuation2 = 1; if ( !m_bLightType1 ) { m_LightNode1.m_Type = MATERIAL_LIGHT_POINT; } else { m_LightNode1.m_Type = MATERIAL_LIGHT_SPOT; } if ( !m_bLightType2 ) { m_LightNode2.m_Type = MATERIAL_LIGHT_POINT; } else { m_LightNode2.m_Type = MATERIAL_LIGHT_SPOT; } if ( !m_bLightType3 ) { m_LightNode3.m_Type = MATERIAL_LIGHT_POINT; } else { m_LightNode3.m_Type = MATERIAL_LIGHT_SPOT; } if ( !m_bLightType4 ) { m_LightNode4.m_Type = MATERIAL_LIGHT_POINT; } else { m_LightNode4.m_Type = MATERIAL_LIGHT_SPOT; } if ( !m_bLightDynamic1 && ( m_LightColor1 != Color( 0, 0, 0, 255 ) ) ) { m_bLightActive1 = true; } else { m_bLightActive1 = false; } if ( !m_bLightDynamic2 && ( m_LightColor2 != Color( 0, 0, 0, 255 ) ) ) { m_bLightActive2 = true; } else { m_bLightActive2 = false; } if ( !m_bLightDynamic3 && ( m_LightColor3 != Color( 0, 0, 0, 255 ) ) ) { m_bLightActive3 = true; } else { m_bLightActive3 = false; } if ( !m_bLightDynamic4 && ( m_LightColor4 != Color( 0, 0, 0, 255 ) ) ) { m_bLightActive4 = true; } else { m_bLightActive4 = false; } m_LightNode1.SetupNewStyleAttenuation ( m_LightFiftyDist1, m_LightZeroDist1 ); m_LightNode2.SetupNewStyleAttenuation ( m_LightFiftyDist2, m_LightZeroDist2 ); m_LightNode3.SetupNewStyleAttenuation ( m_LightFiftyDist3, m_LightZeroDist3 ); m_LightNode4.SetupNewStyleAttenuation ( m_LightFiftyDist4, m_LightZeroDist4 ); } void Render( CParticleCollection *pParticles ) const; virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_ControlpointLight, "Color Light from Control Point", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_ControlpointLight ) DMXELEMENT_UNPACK_FIELD( "Light 1 Control Point", "0", int, m_nControlPoint1 ) DMXELEMENT_UNPACK_FIELD( "Light 1 Control Point Offset", "0 0 0", Vector, m_vecCPOffset1 ) DMXELEMENT_UNPACK_FIELD( "Light 1 Type 0=Point 1=Spot", "0", bool, m_bLightType1 ) DMXELEMENT_UNPACK_FIELD( "Light 1 Color", "0 0 0 255", Color, m_LightColor1 ) DMXELEMENT_UNPACK_FIELD( "Light 1 Dynamic Light", "0", bool, m_bLightDynamic1 ) DMXELEMENT_UNPACK_FIELD( "Light 1 Direction", "0 0 0", Vector, m_LightNode1.m_Direction ) DMXELEMENT_UNPACK_FIELD( "Light 1 50% Distance", "100", float, m_LightFiftyDist1 ) DMXELEMENT_UNPACK_FIELD( "Light 1 0% Distance", "200", float, m_LightZeroDist1 ) DMXELEMENT_UNPACK_FIELD( "Light 1 Spot Inner Cone", "30.0", float, m_LightNode1.m_Theta ) DMXELEMENT_UNPACK_FIELD( "Light 1 Spot Outer Cone", "45.0", float, m_LightNode1.m_Phi ) DMXELEMENT_UNPACK_FIELD( "Light 2 Control Point", "0", int, m_nControlPoint2 ) DMXELEMENT_UNPACK_FIELD( "Light 2 Control Point Offset", "0 0 0", Vector, m_vecCPOffset2 ) DMXELEMENT_UNPACK_FIELD( "Light 2 Type 0=Point 1=Spot", "0", bool, m_bLightType2 ) DMXELEMENT_UNPACK_FIELD( "Light 2 Color", "0 0 0 255", Color, m_LightColor2 ) DMXELEMENT_UNPACK_FIELD( "Light 2 Dynamic Light", "0", bool, m_bLightDynamic2 ) DMXELEMENT_UNPACK_FIELD( "Light 2 Direction", "0 0 0", Vector, m_LightNode2.m_Direction ) DMXELEMENT_UNPACK_FIELD( "Light 2 50% Distance", "100", float, m_LightFiftyDist2 ) DMXELEMENT_UNPACK_FIELD( "Light 2 0% Distance", "200", float, m_LightZeroDist2 ) DMXELEMENT_UNPACK_FIELD( "Light 2 Spot Inner Cone", "30.0", float, m_LightNode2.m_Theta ) DMXELEMENT_UNPACK_FIELD( "Light 2 Spot Outer Cone", "45.0", float, m_LightNode2.m_Phi ) DMXELEMENT_UNPACK_FIELD( "Light 3 Control Point", "0", int, m_nControlPoint3 ) DMXELEMENT_UNPACK_FIELD( "Light 3 Control Point Offset", "0 0 0", Vector, m_vecCPOffset3 ) DMXELEMENT_UNPACK_FIELD( "Light 3 Type 0=Point 1=Spot", "0", bool, m_bLightType3 ) DMXELEMENT_UNPACK_FIELD( "Light 3 Color", "0 0 0 255", Color, m_LightColor3 ) DMXELEMENT_UNPACK_FIELD( "Light 3 Dynamic Light", "0", bool, m_bLightDynamic3 ) DMXELEMENT_UNPACK_FIELD( "Light 3 Direction", "0 0 0", Vector, m_LightNode3.m_Direction ) DMXELEMENT_UNPACK_FIELD( "Light 3 50% Distance", "100", float, m_LightFiftyDist3 ) DMXELEMENT_UNPACK_FIELD( "Light 3 0% Distance", "200", float, m_LightZeroDist3 ) DMXELEMENT_UNPACK_FIELD( "Light 3 Spot Inner Cone", "30.0", float, m_LightNode3.m_Theta ) DMXELEMENT_UNPACK_FIELD( "Light 3 Spot Outer Cone", "45.0", float, m_LightNode3.m_Phi ) DMXELEMENT_UNPACK_FIELD( "Light 4 Control Point", "0", int, m_nControlPoint4 ) DMXELEMENT_UNPACK_FIELD( "Light 4 Control Point Offset", "0 0 0", Vector, m_vecCPOffset4 ) DMXELEMENT_UNPACK_FIELD( "Light 4 Type 0=Point 1=Spot", "0", bool, m_bLightType4 ) DMXELEMENT_UNPACK_FIELD( "Light 4 Color", "0 0 0 255", Color, m_LightColor4 ) DMXELEMENT_UNPACK_FIELD( "Light 4 Dynamic Light", "0", bool, m_bLightDynamic4 ) DMXELEMENT_UNPACK_FIELD( "Light 4 Direction", "0 0 0", Vector, m_LightNode4.m_Direction ) DMXELEMENT_UNPACK_FIELD( "Light 4 50% Distance", "100", float, m_LightFiftyDist4 ) DMXELEMENT_UNPACK_FIELD( "Light 4 0% Distance", "200", float, m_LightZeroDist4 ) DMXELEMENT_UNPACK_FIELD( "Light 4 Spot Inner Cone", "30.0", float, m_LightNode4.m_Theta ) DMXELEMENT_UNPACK_FIELD( "Light 4 Spot Outer Cone", "45.0", float, m_LightNode4.m_Phi ) DMXELEMENT_UNPACK_FIELD( "Initial Color Bias", "0.0", float, m_flScale ) DMXELEMENT_UNPACK_FIELD( "Clamp Minimum Light Value to Initial Color", "0", bool, m_bClampLowerRange ) DMXELEMENT_UNPACK_FIELD( "Clamp Maximum Light Value to Initial Color", "0", bool, m_bClampUpperRange ) DMXELEMENT_UNPACK_FIELD( "Compute Normals From Control Points", "0", bool, m_bUseNormal ) DMXELEMENT_UNPACK_FIELD( "Half-Lambert Normals", "1", bool, m_bUseHLambert ) END_PARTICLE_OPERATOR_UNPACK( C_OP_ControlpointLight ) void C_OP_ControlpointLight::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { //Set up location of each light - this needs to be done every time as the CP's can move Vector vecLocation1, vecLocation2, vecLocation3, vecLocation4; vecLocation1 = pParticles->GetControlPointAtCurrentTime( m_nControlPoint1 ); vecLocation2 = pParticles->GetControlPointAtCurrentTime( m_nControlPoint2 ); vecLocation3 = pParticles->GetControlPointAtCurrentTime( m_nControlPoint3 ); vecLocation4 = pParticles->GetControlPointAtCurrentTime( m_nControlPoint4 ); LightDesc_t LightNode1 = m_LightNode1; LightDesc_t LightNode2 = m_LightNode2; LightDesc_t LightNode3 = m_LightNode3; LightDesc_t LightNode4 = m_LightNode3; // Apply any offsets LightNode1.m_Position = vecLocation1 + m_vecCPOffset1; LightNode2.m_Position = vecLocation2 + m_vecCPOffset2; LightNode3.m_Position = vecLocation3 + m_vecCPOffset3; LightNode4.m_Position = vecLocation4 + m_vecCPOffset4; C4VAttributeIterator pInitialColor( PARTICLE_ATTRIBUTE_TINT_RGB, pParticles ); C4VAttributeWriteIterator pColor( PARTICLE_ATTRIBUTE_TINT_RGB, pParticles ); C4VAttributeIterator pXYZ( PARTICLE_ATTRIBUTE_XYZ, pParticles ); // Set up lighting conditions and attenuation if ( m_bLightDynamic1 ) { // Get the color and luminosity at this position Color lc; g_pParticleSystemMgr->Query()->GetLightingAtPoint( LightNode1.m_Position, lc ); LightNode1.m_Color[0] = lc[0] / 255.0f; LightNode1.m_Color[1] = lc[1] / 255.0f; LightNode1.m_Color[2] = lc[2] / 255.0f; } if ( m_bLightDynamic2 ) { // Get the color and luminosity at this position Color lc; g_pParticleSystemMgr->Query()->GetLightingAtPoint( LightNode2.m_Position, lc ); LightNode2.m_Color[0] = lc[0] / 255.0f; LightNode2.m_Color[1] = lc[1] / 255.0f; LightNode2.m_Color[2] = lc[2] / 255.0f; } if ( m_bLightDynamic3 ) { // Get the color and luminosity at this position Color lc; g_pParticleSystemMgr->Query()->GetLightingAtPoint( LightNode3.m_Position, lc ); LightNode3.m_Color[0] = lc[0] / 255.0f; LightNode3.m_Color[1] = lc[1] / 255.0f; LightNode3.m_Color[2] = lc[2] / 255.0f; } if ( m_bLightDynamic4 ) { // Get the color and luminosity at this position Color lc; g_pParticleSystemMgr->Query()->GetLightingAtPoint( LightNode4.m_Position, lc ); LightNode4.m_Color[0] = lc[0] / 255.0f; LightNode4.m_Color[1] = lc[1] / 255.0f; LightNode4.m_Color[2] = lc[2] / 255.0f; } LightNode1.RecalculateDerivedValues(); LightNode2.RecalculateDerivedValues(); LightNode3.RecalculateDerivedValues(); LightNode4.RecalculateDerivedValues(); FourVectors vScale; vScale.DuplicateVector( Vector(m_flScale, m_flScale, m_flScale) ); if ( m_bUseNormal ) { FourVectors vCPPosition1, vCPPosition2, vCPPosition3, vCPPosition4; //vCPPosition1.DuplicateVector( LightNode1.m_Position ); vCPPosition1.DuplicateVector( vecLocation1 ); vCPPosition2.DuplicateVector( vecLocation2 ); vCPPosition3.DuplicateVector( vecLocation3 ); vCPPosition4.DuplicateVector( vecLocation4 ); int nCtr = pParticles->m_nPaddedActiveParticles; do { FourVectors vLighting = vScale; vLighting *= *pInitialColor; FourVectors vNormal = *pXYZ; vNormal -= vCPPosition1; vNormal.VectorNormalizeFast(); LightNode1.ComputeLightAtPoints( *pXYZ, vNormal, vLighting, m_bUseHLambert ); vNormal = *pXYZ; vNormal -= vCPPosition2; vNormal.VectorNormalizeFast(); LightNode2.ComputeLightAtPoints( *pXYZ, vNormal, vLighting, m_bUseHLambert ); vNormal = *pXYZ; vNormal -= vCPPosition3; vNormal.VectorNormalizeFast(); LightNode3.ComputeLightAtPoints( *pXYZ, vNormal, vLighting, m_bUseHLambert ); vNormal = *pXYZ; vNormal -= vCPPosition4; vNormal.VectorNormalizeFast(); LightNode4.ComputeLightAtPoints( *pXYZ, vNormal, vLighting, m_bUseHLambert ); if ( m_bClampLowerRange ) { FourVectors vInitialClamp = *pInitialColor; vLighting.x = MaxSIMD( vLighting.x, vInitialClamp.x ); vLighting.y = MaxSIMD( vLighting.y, vInitialClamp.y ); vLighting.z = MaxSIMD( vLighting.z, vInitialClamp.z ); } else { vLighting.x = MaxSIMD( vLighting.x, Four_Zeros ); vLighting.y = MaxSIMD( vLighting.y, Four_Zeros ); vLighting.z = MaxSIMD( vLighting.z, Four_Zeros ); } if ( m_bClampUpperRange ) { FourVectors vInitialClamp = *pInitialColor; vLighting.x = MinSIMD( vLighting.x, vInitialClamp.x ); vLighting.y = MinSIMD( vLighting.y, vInitialClamp.y ); vLighting.z = MinSIMD( vLighting.z, vInitialClamp.z ); } else { vLighting.x = MinSIMD( vLighting.x, Four_Ones ); vLighting.y = MinSIMD( vLighting.y, Four_Ones ); vLighting.z = MinSIMD( vLighting.z, Four_Ones ); } *pColor = vLighting; ++pColor; ++pXYZ; ++pInitialColor; } while (--nCtr); } else { int nCtr = pParticles->m_nPaddedActiveParticles; do { FourVectors vLighting = vScale; vLighting *= *pInitialColor; LightNode1.ComputeNonincidenceLightAtPoints( *pXYZ, vLighting ); LightNode2.ComputeNonincidenceLightAtPoints( *pXYZ, vLighting ); LightNode3.ComputeNonincidenceLightAtPoints( *pXYZ, vLighting ); LightNode4.ComputeNonincidenceLightAtPoints( *pXYZ, vLighting ); if ( m_bClampLowerRange ) { FourVectors vInitialClamp = *pInitialColor; vLighting.x = MaxSIMD( vLighting.x, vInitialClamp.x ); vLighting.y = MaxSIMD( vLighting.y, vInitialClamp.y ); vLighting.z = MaxSIMD( vLighting.z, vInitialClamp.z ); } else { vLighting.x = MaxSIMD( vLighting.x, Four_Zeros ); vLighting.y = MaxSIMD( vLighting.y, Four_Zeros ); vLighting.z = MaxSIMD( vLighting.z, Four_Zeros ); } if ( m_bClampUpperRange ) { FourVectors vInitialClamp = *pInitialColor; vLighting.x = MinSIMD( vLighting.x, vInitialClamp.x ); vLighting.y = MinSIMD( vLighting.y, vInitialClamp.y ); vLighting.z = MinSIMD( vLighting.z, vInitialClamp.z ); } else { vLighting.x = MinSIMD( vLighting.x, Four_Ones ); vLighting.y = MinSIMD( vLighting.y, Four_Ones ); vLighting.z = MinSIMD( vLighting.z, Four_Ones ); } *pColor = vLighting; ++pColor; ++pXYZ; ++pInitialColor; } while (--nCtr); } }; //----------------------------------------------------------------------------- // Render visualization //----------------------------------------------------------------------------- void C_OP_ControlpointLight::Render( CParticleCollection *pParticles ) const { Vector vecOrigin1 = pParticles->GetControlPointAtCurrentTime( m_nControlPoint1 ); vecOrigin1 += m_vecCPOffset1; Vector vecOrigin2 = pParticles->GetControlPointAtCurrentTime( m_nControlPoint2 ); vecOrigin2 += m_vecCPOffset2; Vector vecOrigin3 = pParticles->GetControlPointAtCurrentTime( m_nControlPoint3 ); vecOrigin3 += m_vecCPOffset3; Vector vecOrigin4 = pParticles->GetControlPointAtCurrentTime( m_nControlPoint4 ); vecOrigin4 += m_vecCPOffset4; Color LightColor1Outer; LightColor1Outer[0] = m_LightColor1[0] / 2.0f; LightColor1Outer[1] = m_LightColor1[1] / 2.0f; LightColor1Outer[2] = m_LightColor1[2] / 2.0f; LightColor1Outer[3] = 255; Color LightColor2Outer; LightColor2Outer[0] = m_LightColor2[0] / 2.0f; LightColor2Outer[1] = m_LightColor2[1] / 2.0f; LightColor2Outer[2] = m_LightColor2[2] / 2.0f; LightColor2Outer[3] = 255; Color LightColor3Outer; LightColor3Outer[0] = m_LightColor3[0] / 2.0f; LightColor3Outer[1] = m_LightColor3[1] / 2.0f; LightColor3Outer[2] = m_LightColor3[2] / 2.0f; LightColor3Outer[3] = 255; Color LightColor4Outer; LightColor4Outer[0] = m_LightColor4[0] / 2.0f; LightColor4Outer[1] = m_LightColor4[1] / 2.0f; LightColor4Outer[2] = m_LightColor4[2] / 2.0f; LightColor4Outer[3] = 255; if ( m_bLightActive1 ) { RenderWireframeSphere( vecOrigin1, m_LightFiftyDist1, 16, 8, m_LightColor1, false ); RenderWireframeSphere( vecOrigin1, m_LightZeroDist1, 16, 8, LightColor1Outer, false ); } if ( m_bLightActive2 ) { RenderWireframeSphere( vecOrigin2, m_LightFiftyDist2, 16, 8, m_LightColor2, false ); RenderWireframeSphere( vecOrigin2, m_LightZeroDist2, 16, 8, LightColor2Outer, false ); } if ( m_bLightActive3 ) { RenderWireframeSphere( vecOrigin3, m_LightFiftyDist3, 16, 8, m_LightColor3, false ); RenderWireframeSphere( vecOrigin3, m_LightZeroDist3, 16, 8, LightColor3Outer, false ); } if ( m_bLightActive4 ) { RenderWireframeSphere( vecOrigin4, m_LightFiftyDist4, 16, 8, m_LightColor4, false ); RenderWireframeSphere( vecOrigin4, m_LightZeroDist4, 16, 8, LightColor4Outer, false ); } } // set child controlpoints - copy the positions of our particles to the control points of a child class C_OP_SetChildControlPoints : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_SetChildControlPoints ); int m_nChildGroupID; int m_nFirstControlPoint; int m_nNumControlPoints; int m_nFirstSourcePoint; uint32 GetWrittenAttributes( void ) const { return 0; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_SetChildControlPoints, "Set child control points from particle positions", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_SetChildControlPoints ) DMXELEMENT_UNPACK_FIELD( "Group ID to affect", "0", int, m_nChildGroupID ) DMXELEMENT_UNPACK_FIELD( "First control point to set", "0", int, m_nFirstControlPoint ) DMXELEMENT_UNPACK_FIELD( "# of control points to set", "1", int, m_nNumControlPoints ) DMXELEMENT_UNPACK_FIELD( "first particle to copy", "0", int, m_nFirstSourcePoint ) END_PARTICLE_OPERATOR_UNPACK( C_OP_SetChildControlPoints ) void C_OP_SetChildControlPoints::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { int nFirst=max(0, min( MAX_PARTICLE_CONTROL_POINTS-1, m_nFirstControlPoint ) ); int nToSet=min( pParticles->m_nActiveParticles-m_nFirstSourcePoint, m_nNumControlPoints ); nToSet=min( nToSet, MAX_PARTICLE_CONTROL_POINTS-nFirst ); if ( nToSet ) { for( CParticleCollection *pChild = pParticles->m_Children.m_pHead; pChild; pChild = pChild->m_pNext ) { if ( pChild->GetGroupID() == m_nChildGroupID ) { for( int p=0; p < nToSet; p++ ) { const float *pXYZ = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_XYZ, p + m_nFirstSourcePoint ); Vector cPnt( pXYZ[0], pXYZ[4], pXYZ[8] ); pChild->SetControlPoint( p+nFirst, cPnt ); } } } } } //----------------------------------------------------------------------------- // Set Control Point Positions //----------------------------------------------------------------------------- class C_OP_SetControlPointPositions : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_SetControlPointPositions ); bool m_bUseWorldLocation; int m_nCP1, m_nCP1Parent; int m_nCP2, m_nCP2Parent; int m_nCP3, m_nCP3Parent; int m_nCP4, m_nCP4Parent; Vector m_vecCP1Pos, m_vecCP2Pos, m_vecCP3Pos, m_vecCP4Pos; int m_nHeadLocation; uint32 GetWrittenAttributes( void ) const { return 0; } uint32 GetReadAttributes( void ) const { return 0; } bool ShouldRunBeforeEmitters( void ) const { return true; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_SetControlPointPositions, "Set Control Point Positions", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_SetControlPointPositions ) DMXELEMENT_UNPACK_FIELD( "First Control Point Number", "1", int, m_nCP1 ) DMXELEMENT_UNPACK_FIELD( "First Control Point Parent", "0", int, m_nCP1Parent ) DMXELEMENT_UNPACK_FIELD( "First Control Point Location", "128 0 0", Vector, m_vecCP1Pos ) DMXELEMENT_UNPACK_FIELD( "Second Control Point Number", "2", int, m_nCP2 ) DMXELEMENT_UNPACK_FIELD( "Second Control Point Parent", "0", int, m_nCP2Parent ) DMXELEMENT_UNPACK_FIELD( "Second Control Point Location", "0 128 0", Vector, m_vecCP2Pos ) DMXELEMENT_UNPACK_FIELD( "Third Control Point Number", "3", int, m_nCP3 ) DMXELEMENT_UNPACK_FIELD( "Third Control Point Parent", "0", int, m_nCP3Parent ) DMXELEMENT_UNPACK_FIELD( "Third Control Point Location", "-128 0 0", Vector, m_vecCP3Pos ) DMXELEMENT_UNPACK_FIELD( "Fourth Control Point Number", "4", int, m_nCP4 ) DMXELEMENT_UNPACK_FIELD( "Fourth Control Point Parent", "0", int, m_nCP4Parent ) DMXELEMENT_UNPACK_FIELD( "Fourth Control Point Location", "0 -128 0", Vector, m_vecCP4Pos ) DMXELEMENT_UNPACK_FIELD( "Set positions in world space", "0", bool, m_bUseWorldLocation ) DMXELEMENT_UNPACK_FIELD( "Control Point to offset positions from", "0", int, m_nHeadLocation ) END_PARTICLE_OPERATOR_UNPACK( C_OP_SetControlPointPositions ) void C_OP_SetControlPointPositions::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { if ( !m_bUseWorldLocation ) { Vector vecControlPoint = pParticles->GetControlPointAtCurrentTime( m_nHeadLocation ); matrix3x4_t mat; pParticles->GetControlPointTransformAtTime( m_nHeadLocation, pParticles->m_flCurTime, &mat ); Vector vecTransformLocal = vec3_origin; VectorTransform( m_vecCP1Pos, mat, vecTransformLocal ); pParticles->SetControlPoint( m_nCP1, vecTransformLocal ); pParticles->SetControlPointParent( m_nCP1, m_nCP1Parent ); VectorTransform( m_vecCP2Pos, mat, vecTransformLocal ); pParticles->SetControlPoint( m_nCP2, vecTransformLocal ); pParticles->SetControlPointParent( m_nCP2, m_nCP2Parent ); VectorTransform( m_vecCP3Pos, mat, vecTransformLocal ); pParticles->SetControlPoint( m_nCP3, vecTransformLocal ); pParticles->SetControlPointParent( m_nCP3, m_nCP3Parent ); VectorTransform( m_vecCP4Pos, mat, vecTransformLocal ); pParticles->SetControlPoint( m_nCP4, vecTransformLocal ); pParticles->SetControlPointParent( m_nCP4, m_nCP4Parent ); } else { pParticles->SetControlPoint( m_nCP1, m_vecCP1Pos ); pParticles->SetControlPointParent( m_nCP1, m_nCP1Parent ); pParticles->SetControlPoint( m_nCP2, m_vecCP2Pos ); pParticles->SetControlPointParent( m_nCP2, m_nCP2Parent ); pParticles->SetControlPoint( m_nCP3, m_vecCP3Pos ); pParticles->SetControlPointParent( m_nCP3, m_nCP3Parent ); pParticles->SetControlPoint( m_nCP4, m_vecCP4Pos ); pParticles->SetControlPointParent( m_nCP4, m_nCP4Parent ); } } //----------------------------------------------------------------------------- // Dampen Movement Relative to Control Point // The closer a particle is the the assigned control point, the less // it can move //----------------------------------------------------------------------------- class C_OP_DampenToCP : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_DampenToCP ); int m_nControlPointNumber; float m_flRange, m_flScale; uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_CREATION_TIME_MASK | PARTICLE_ATTRIBUTE_LIFE_DURATION_MASK | PARTICLE_ATTRIBUTE_PARTICLE_ID_MASK; } virtual uint64 GetReadControlPointMask() const { return ( 1ULL << m_nControlPointNumber ); } void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { m_nControlPointNumber = max( 0, min( MAX_PARTICLE_CONTROL_POINTS-1, m_nControlPointNumber ) ); } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_DampenToCP , "Movement Dampen Relative to Control Point", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_DampenToCP ) DMXELEMENT_UNPACK_FIELD( "control_point_number", "0", int, m_nControlPointNumber ) DMXELEMENT_UNPACK_FIELD( "falloff range", "100", float, m_flRange ) DMXELEMENT_UNPACK_FIELD( "dampen scale", "1", float, m_flScale ) END_PARTICLE_OPERATOR_UNPACK( C_OP_DampenToCP ) void C_OP_DampenToCP::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { if ( m_flRange <= 0.0f ) return; Vector vecControlPoint = pParticles->GetControlPointAtCurrentTime( m_nControlPointNumber ); // FIXME: SSE-ize for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { float *xyz = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_XYZ, i ); float *xyz_prev = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_PREV_XYZ, i ); Vector vecParticlePosition, vecParticlePosition_prev, vParticleDelta ; SetVectorFromAttribute( vecParticlePosition, xyz ); SetVectorFromAttribute( vecParticlePosition_prev, xyz_prev ); Vector ofs; ofs = vecParticlePosition - vecControlPoint; float flDistance = ofs.Length(); float flDampenAmount; if ( flDistance > m_flRange ) { continue; } else { flDampenAmount = flDistance / m_flRange; flDampenAmount = pow( flDampenAmount, m_flScale); } vParticleDelta = vecParticlePosition - vecParticlePosition_prev; Vector vParticleDampened = vParticleDelta * flDampenAmount; vecParticlePosition = vecParticlePosition_prev + vParticleDampened; Vector vecParticlePositionOrg; SetVectorFromAttribute( vecParticlePositionOrg, xyz ); VectorLerp (vecParticlePositionOrg, vecParticlePosition, flStrength, vecParticlePosition ); SetVectorAttribute( xyz, vecParticlePosition ); } }; //----------------------------------------------------------------------------- // Distance Between CP Operator //----------------------------------------------------------------------------- class C_OP_DistanceBetweenCPs : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_DistanceBetweenCPs ); uint32 GetWrittenAttributes( void ) const { return 1 << m_nFieldOutput; } uint32 GetReadAttributes( void ) const { return 0; } uint32 GetReadInitialAttributes( void ) const { return 1 << m_nFieldOutput; } virtual uint64 GetReadControlPointMask() const { return ( 1ULL << m_nStartCP ) | ( 1ULL << m_nEndCP ); } void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { m_nCollisionGroupNumber = g_pParticleSystemMgr->Query()->GetCollisionGroupFromName( m_CollisionGroupName ); m_nStartCP = max( 0, min( MAX_PARTICLE_CONTROL_POINTS-1, m_nStartCP ) ); m_nEndCP = max( 0, min( MAX_PARTICLE_CONTROL_POINTS-1, m_nEndCP ) ); } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; int m_nFieldOutput; float m_flInputMin; float m_flInputMax; float m_flOutputMin; float m_flOutputMax; int m_nStartCP; int m_nEndCP; bool m_bLOS; char m_CollisionGroupName[128]; int m_nCollisionGroupNumber; float m_flMaxTraceLength; float m_flLOSScale; bool m_bScaleInitialRange; }; DEFINE_PARTICLE_OPERATOR( C_OP_DistanceBetweenCPs, "Remap Distance Between Two Control Points to Scalar", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_DistanceBetweenCPs ) DMXELEMENT_UNPACK_FIELD( "distance minimum","0", float, m_flInputMin ) DMXELEMENT_UNPACK_FIELD( "distance maximum","128", float, m_flInputMax ) DMXELEMENT_UNPACK_FIELD_USERDATA( "output field", "3", int, m_nFieldOutput, "intchoice particlefield_scalar" ) DMXELEMENT_UNPACK_FIELD( "output minimum","0", float, m_flOutputMin ) DMXELEMENT_UNPACK_FIELD( "output maximum","1", float, m_flOutputMax ) DMXELEMENT_UNPACK_FIELD( "starting control point","0", int, m_nStartCP ) DMXELEMENT_UNPACK_FIELD( "ending control point","1", int, m_nEndCP ) DMXELEMENT_UNPACK_FIELD( "ensure line of sight","0", bool, m_bLOS ) DMXELEMENT_UNPACK_FIELD_STRING( "LOS collision group", "NONE", m_CollisionGroupName ) DMXELEMENT_UNPACK_FIELD( "Maximum Trace Length", "-1", float, m_flMaxTraceLength ) DMXELEMENT_UNPACK_FIELD( "LOS Failure Scalar", "0", float, m_flLOSScale ) DMXELEMENT_UNPACK_FIELD( "output is scalar of initial random range","0", bool, m_bScaleInitialRange ) END_PARTICLE_OPERATOR_UNPACK( C_OP_DistanceBetweenCPs ) void C_OP_DistanceBetweenCPs::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { // clamp the result to 0 and 1 if it's alpha float flMin=m_flOutputMin; float flMax=m_flOutputMax; if ( ATTRIBUTES_WHICH_ARE_0_TO_1 & ( 1 << m_nFieldOutput ) ) { flMin = clamp(m_flOutputMin, 0.0f, 1.0f ); flMax = clamp(m_flOutputMax, 0.0f, 1.0f ); } Vector vecControlPoint1 = pParticles->GetControlPointAtCurrentTime( m_nStartCP ); Vector vecControlPoint2 = pParticles->GetControlPointAtCurrentTime( m_nEndCP ); Vector vecDelta = vecControlPoint1 - vecControlPoint2; float flDistance = vecDelta.Length(); if ( m_bLOS ) { Vector vecEndPoint = vecControlPoint2; if ( m_flMaxTraceLength != -1.0f && m_flMaxTraceLength < flDistance ) { VectorNormalize(vecEndPoint); vecEndPoint *= m_flMaxTraceLength; vecEndPoint += vecControlPoint1; } CBaseTrace tr; g_pParticleSystemMgr->Query()->TraceLine( vecControlPoint1, vecEndPoint, MASK_OPAQUE_AND_NPCS, NULL, m_nCollisionGroupNumber, &tr ); if (tr.fraction != 1.0f) { flDistance *= tr.fraction * m_flLOSScale; } } // FIXME: SSE-ize for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { float flOutput = RemapValClamped( flDistance, m_flInputMin, m_flInputMax, flMin, flMax ); if ( m_bScaleInitialRange ) { const float *pInitialOutput = pParticles->GetInitialFloatAttributePtr( m_nFieldOutput, i ); flOutput = *pInitialOutput * flOutput; } float *pOutput = pParticles->GetFloatAttributePtrForWrite( m_nFieldOutput, i ); *pOutput = Lerp (flStrength, *pOutput, flOutput); } } //----------------------------------------------------------------------------- // Distance to CP Operator //----------------------------------------------------------------------------- class C_OP_DistanceToCP : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_DistanceToCP ); uint32 GetWrittenAttributes( void ) const { return 1 << m_nFieldOutput; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK; } uint32 GetReadInitialAttributes( void ) const { return 1 << m_nFieldOutput; } virtual uint64 GetReadControlPointMask() const { return ( 1ULL << m_nStartCP ) | ( 1ULL << m_nEndCP ); } void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { m_nCollisionGroupNumber = g_pParticleSystemMgr->Query()->GetCollisionGroupFromName( m_CollisionGroupName ); m_nStartCP = max( 0, min( MAX_PARTICLE_CONTROL_POINTS-1, m_nStartCP ) ); m_nEndCP = max( 0, min( MAX_PARTICLE_CONTROL_POINTS-1, m_nEndCP ) ); } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; int m_nFieldOutput; float m_flInputMin; float m_flInputMax; float m_flOutputMin; float m_flOutputMax; int m_nStartCP; int m_nEndCP; bool m_bLOS; char m_CollisionGroupName[128]; int m_nCollisionGroupNumber; float m_flMaxTraceLength; float m_flLOSScale; bool m_bScaleInitialRange; bool m_bActiveRange; }; DEFINE_PARTICLE_OPERATOR( C_OP_DistanceToCP, "Remap Distance to Control Point to Scalar", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_DistanceToCP ) DMXELEMENT_UNPACK_FIELD( "distance minimum","0", float, m_flInputMin ) DMXELEMENT_UNPACK_FIELD( "distance maximum","128", float, m_flInputMax ) DMXELEMENT_UNPACK_FIELD_USERDATA( "output field", "3", int, m_nFieldOutput, "intchoice particlefield_scalar" ) DMXELEMENT_UNPACK_FIELD( "output minimum","0", float, m_flOutputMin ) DMXELEMENT_UNPACK_FIELD( "output maximum","1", float, m_flOutputMax ) DMXELEMENT_UNPACK_FIELD( "control point","0", int, m_nStartCP ) DMXELEMENT_UNPACK_FIELD( "ensure line of sight","0", bool, m_bLOS ) DMXELEMENT_UNPACK_FIELD_STRING( "LOS collision group", "NONE", m_CollisionGroupName ) DMXELEMENT_UNPACK_FIELD( "Maximum Trace Length", "-1", float, m_flMaxTraceLength ) DMXELEMENT_UNPACK_FIELD( "LOS Failure Scalar", "0", float, m_flLOSScale ) DMXELEMENT_UNPACK_FIELD( "output is scalar of initial random range","0", bool, m_bScaleInitialRange ) DMXELEMENT_UNPACK_FIELD( "only active within specified distance","0", bool, m_bActiveRange ) END_PARTICLE_OPERATOR_UNPACK( C_OP_DistanceToCP ) void C_OP_DistanceToCP::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { // clamp the result to 0 and 1 if it's alpha float flMin=m_flOutputMin; float flMax=m_flOutputMax; if ( ATTRIBUTES_WHICH_ARE_0_TO_1 & ( 1 << m_nFieldOutput ) ) { flMin = clamp(m_flOutputMin, 0.0f, 1.0f ); flMax = clamp(m_flOutputMax, 0.0f, 1.0f ); } Vector vecControlPoint1 = pParticles->GetControlPointAtCurrentTime( m_nStartCP ); // FIXME: SSE-ize for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { Vector vecPosition2; const float *pXYZ = pParticles->GetFloatAttributePtr(PARTICLE_ATTRIBUTE_XYZ, i ); vecPosition2 = Vector(pXYZ[0], pXYZ[4], pXYZ[8]); Vector vecDelta = vecControlPoint1 - vecPosition2; float flDistance = vecDelta.Length(); if ( m_bActiveRange && ( flDistance < m_flInputMin || flDistance > m_flInputMax ) ) { continue; } if ( m_bLOS ) { Vector vecEndPoint = vecPosition2; if ( m_flMaxTraceLength != -1.0f && m_flMaxTraceLength < flDistance ) { VectorNormalize(vecEndPoint); vecEndPoint *= m_flMaxTraceLength; vecEndPoint += vecControlPoint1; } CBaseTrace tr; g_pParticleSystemMgr->Query()->TraceLine( vecControlPoint1, vecEndPoint, MASK_OPAQUE_AND_NPCS, NULL , m_nCollisionGroupNumber, &tr ); if (tr.fraction != 1.0f) { flDistance *= tr.fraction * m_flLOSScale; } } float flOutput = RemapValClamped( flDistance, m_flInputMin, m_flInputMax, flMin, flMax ); if ( m_bScaleInitialRange ) { const float *pInitialOutput = pParticles->GetInitialFloatAttributePtr( m_nFieldOutput, i ); flOutput = *pInitialOutput * flOutput; } float *pOutput = pParticles->GetFloatAttributePtrForWrite( m_nFieldOutput, i ); *pOutput = Lerp (flStrength, *pOutput, flOutput); //float *pOutput = pParticles->GetFloatAttributePtrForWrite( m_nFieldOutput, i ); //float flOutput = RemapValClamped( flDistance, m_flInputMin, m_flInputMax, flMin, flMax ); //*pOutput = Lerp (flStrength, *pOutput, flOutput); } } //----------------------------------------------------------------------------- // Assign CP to Player //----------------------------------------------------------------------------- class C_OP_SetControlPointToPlayer : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_SetControlPointToPlayer ); int m_nCP1; Vector m_vecCP1Pos; uint32 GetWrittenAttributes( void ) const { return 0; } uint32 GetReadAttributes( void ) const { return 0; } void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { m_nCP1 = max( 0, min( MAX_PARTICLE_CONTROL_POINTS-1, m_nCP1 ) ); } bool ShouldRunBeforeEmitters( void ) const { return true; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_SetControlPointToPlayer, "Set Control Point To Player", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_SetControlPointToPlayer ) DMXELEMENT_UNPACK_FIELD( "Control Point Number", "1", int, m_nCP1 ) DMXELEMENT_UNPACK_FIELD( "Control Point Offset", "0 0 0", Vector, m_vecCP1Pos ) END_PARTICLE_OPERATOR_UNPACK( C_OP_SetControlPointToPlayer ) void C_OP_SetControlPointToPlayer::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { Vector vecClientPos =g_pParticleSystemMgr->Query()->GetLocalPlayerPos(); pParticles->SetControlPoint( m_nCP1, m_vecCP1Pos + vecClientPos ); Vector vecForward; Vector vecRight; Vector vecUp; g_pParticleSystemMgr->Query()->GetLocalPlayerEyeVectors( &vecForward, &vecRight, &vecUp); pParticles->SetControlPointOrientation( m_nCP1, vecForward, vecRight, vecUp ); } //------------------------- // Emits particles from particles //NOT FINISHED //------------------------- class C_OP_PerParticleEmitter : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_PerParticleEmitter ); struct C_OP_PerParticleEmitterContext_t { float m_flTotalActualParticlesSoFar; int m_nTotalEmittedSoFar; bool m_bStoppedEmission; }; int m_nChildGroupID; bool m_bInheritVelocity; float m_flEmitRate; float m_flVelocityScale; float m_flStartTime; float m_flEmissionDuration; uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_CREATION_TIME; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ | PARTICLE_ATTRIBUTE_PREV_XYZ; } void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { if ( m_flEmitRate < 0.0f ) { m_flEmitRate = 0.0f; } if ( m_flEmissionDuration < 0.0f ) { m_flEmissionDuration = 0.0f; } } inline bool IsInfinitelyEmitting() const { return ( m_flEmissionDuration == 0.0f ); } virtual bool MayCreateMoreParticles( CParticleCollection *pParticles, void *pContext ) const { C_OP_PerParticleEmitterContext_t *pCtx = reinterpret_cast( pContext ); if ( pCtx->m_bStoppedEmission ) return false; if ( m_flEmitRate <= 0.0f ) return false; if ( m_flEmissionDuration != 0.0f && ( pParticles->m_flCurTime - pParticles->m_flDt ) > ( m_flStartTime + m_flEmissionDuration ) ) return false; return true; } virtual void InitializeContextData( CParticleCollection *pParticles, void *pContext ) const { C_OP_PerParticleEmitterContext_t *pCtx=reinterpret_cast( pContext ); pCtx->m_flTotalActualParticlesSoFar = 0.0f; pCtx->m_nTotalEmittedSoFar = 0; pCtx->m_bStoppedEmission = false; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_PerParticleEmitter, "Per Particle Emitter", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_PerParticleEmitter ) DMXELEMENT_UNPACK_FIELD( "Group ID to affect", "1", int, m_nChildGroupID ) DMXELEMENT_UNPACK_FIELD( "Inherit Velocity", "0", int, m_bInheritVelocity ) DMXELEMENT_UNPACK_FIELD( "Emission Rate", "100", float, m_flEmitRate ) DMXELEMENT_UNPACK_FIELD( "Velocity Scale", "0", int, m_flVelocityScale ) DMXELEMENT_UNPACK_FIELD( "Emission Start Time", "0", float, m_flStartTime ) DMXELEMENT_UNPACK_FIELD( "Emission Duration", "0", float, m_flEmissionDuration ) END_PARTICLE_OPERATOR_UNPACK( C_OP_PerParticleEmitter ) void C_OP_PerParticleEmitter::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { for( CParticleCollection *pChild = pParticles->m_Children.m_pHead; pChild; pChild = pChild->m_pNext ) { if ( pChild->GetGroupID() == m_nChildGroupID ) { for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { C_OP_PerParticleEmitterContext_t *pCtx=reinterpret_cast( pContext ); const float *pXYZ = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_XYZ, i ); const float *pXYZ_Prev = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_PREV_XYZ, i ); Vector vecParticlePosition, vecParticlePosition_prev, vParticleDelta ; vecParticlePosition = Vector ( pXYZ[0], pXYZ[4], pXYZ[8] ); vecParticlePosition_prev = Vector ( pXYZ_Prev[0], pXYZ_Prev[4], pXYZ_Prev[8] ); vParticleDelta = vecParticlePosition - vecParticlePosition_prev; float flEmissionRate = m_flEmitRate * flStrength; if ( m_flVelocityScale != 0.0f ) { float flVelocity = vParticleDelta.Length(); flEmissionRate *= flVelocity * m_flVelocityScale * pParticles->m_flDt; } if ( flEmissionRate == 0.0f ) continue; if ( !C_OP_PerParticleEmitter::MayCreateMoreParticles( pChild, pContext ) ) continue; Assert( flEmissionRate != 0.0f ); // determine our previous and current draw times and clamp them to start time and emission duration float flPrevDrawTime = pParticles->m_flCurTime - pParticles->m_flDt; float flCurrDrawTime = pParticles->m_flCurTime; if ( !IsInfinitelyEmitting() ) { if ( flPrevDrawTime < m_flStartTime ) { flPrevDrawTime = m_flStartTime; } if ( flCurrDrawTime > m_flStartTime + m_flEmissionDuration ) { flCurrDrawTime = m_flStartTime + m_flEmissionDuration; } } float flDeltaTime = flCurrDrawTime - flPrevDrawTime; //Calculate emission rate by delta time from last frame to determine number of particles to emit this frame as a fractional float float flActualParticlesToEmit = flEmissionRate * flDeltaTime; int nParticlesEmitted = pCtx->m_nTotalEmittedSoFar; //Add emitted particle to float counter to allow for fractional emission pCtx->m_flTotalActualParticlesSoFar += flActualParticlesToEmit; //Floor float accumulated value and subtract whole int emitted so far from the result to determine total whole particles to emit this frame int nParticlesToEmit = floor ( pCtx->m_flTotalActualParticlesSoFar ) - pCtx->m_nTotalEmittedSoFar; //Add emitted particles to running int total. pCtx->m_nTotalEmittedSoFar += nParticlesToEmit; if ( nParticlesToEmit == 0 ) continue; // We're only allowed to emit so many particles, though.. // If we run out of room, only emit the last N particles int nActualParticlesToEmit = nParticlesToEmit; int nAllowedParticlesToEmit = pChild->m_nMaxAllowedParticles - pParticles->m_nActiveParticles; if ( nAllowedParticlesToEmit < nParticlesToEmit ) { nActualParticlesToEmit = nAllowedParticlesToEmit; } if ( nActualParticlesToEmit == 0 ) continue; int nStartParticle = pChild->m_nActiveParticles; pChild->SetNActiveParticles( nActualParticlesToEmit + pChild->m_nActiveParticles ); float flTimeStampStep = ( flDeltaTime ) / ( nActualParticlesToEmit ); float flTimeStep = flPrevDrawTime + flTimeStampStep; Vector vecMoveStampStep = vParticleDelta / nActualParticlesToEmit ; Vector vecMoveStep = vecParticlePosition_prev + vecMoveStampStep ; if ( nParticlesEmitted != pChild->m_nActiveParticles ) { uint32 nInittedMask = ( PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK | PARTICLE_ATTRIBUTE_CREATION_TIME_MASK ); // init newly emitted particles pChild->InitializeNewParticles( nParticlesEmitted, pChild->m_nActiveParticles - nParticlesEmitted, nInittedMask ); //CHECKSYSTEM( this ); } // Set the particle creation time to the exact sub-frame particle emission time // !! speed!! do sse init here for( int j = nStartParticle; j < nStartParticle + nActualParticlesToEmit; j++ ) { float *pTimeStamp = pChild->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_CREATION_TIME, j ); flTimeStep = min( flTimeStep, flCurrDrawTime ); *pTimeStamp = flTimeStep; flTimeStep += flTimeStampStep; float *pXYZ_Child = pChild->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_XYZ, j ); float *pXYZ_Prev_Child = pChild->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_PREV_XYZ, j ); Vector vecChildXYZ; SetVectorFromAttribute ( vecChildXYZ, pXYZ_Child); vecChildXYZ = vecMoveStep; SetVectorAttribute ( pXYZ_Child, vecChildXYZ); vecMoveStep += vecMoveStampStep; if ( m_bInheritVelocity ) { *pXYZ_Prev_Child = *pXYZ_Prev; } else { *pXYZ_Prev_Child = *pXYZ_Child; } } } } } } class C_OP_LockToBone : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_LockToBone ); int m_nControlPointNumber; float m_flLifeTimeFadeStart; float m_flLifeTimeFadeEnd; uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK; } uint32 GetReadAttributes( void ) const { int ret= PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK | PARTICLE_ATTRIBUTE_HITBOX_RELATIVE_XYZ_MASK | PARTICLE_ATTRIBUTE_HITBOX_INDEX_MASK; ret |= PARTICLE_ATTRIBUTE_CREATION_TIME_MASK; return ret; } virtual uint64 GetReadControlPointMask() const { return ( 1ULL << m_nControlPointNumber ); } void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { m_nControlPointNumber = max( 0, min( MAX_PARTICLE_CONTROL_POINTS-1, m_nControlPointNumber ) ); } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_LockToBone , "Movement Lock to Bone", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_LockToBone ) DMXELEMENT_UNPACK_FIELD( "control_point_number", "0", int, m_nControlPointNumber ) DMXELEMENT_UNPACK_FIELD( "lifetime fade start", "0", float, m_flLifeTimeFadeStart ) DMXELEMENT_UNPACK_FIELD( "lifetime fade end", "0", float, m_flLifeTimeFadeEnd ) END_PARTICLE_OPERATOR_UNPACK( C_OP_LockToBone ) void C_OP_LockToBone::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { pParticles->UpdateHitBoxInfo( m_nControlPointNumber ); if ( pParticles->m_ControlPointHitBoxes[m_nControlPointNumber].CurAndPrevValid() ) { float flAgeThreshold = m_flLifeTimeFadeEnd; if ( flAgeThreshold <= 0.0 ) flAgeThreshold = 1.0e20; float flIScale = 0.0; if ( m_flLifeTimeFadeEnd > m_flLifeTimeFadeStart ) flIScale = 1.0/( m_flLifeTimeFadeEnd - m_flLifeTimeFadeStart ); for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { float *pXYZ = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_XYZ, i ); float *pPrevXYZ = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_PREV_XYZ, i ); const float *pUVW = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_HITBOX_RELATIVE_XYZ, i ); const int nBoxIndex = *pParticles->GetIntAttributePtr( PARTICLE_ATTRIBUTE_HITBOX_INDEX, i ); float const *pCreationTime = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_CREATION_TIME, i ); float flAge = pParticles->m_flCurTime -*pCreationTime; if ( flAge < flAgeThreshold ) { if ( ( nBoxIndex < pParticles->m_ControlPointHitBoxes[m_nControlPointNumber].m_nNumHitBoxes ) && ( nBoxIndex < pParticles->m_ControlPointHitBoxes[m_nControlPointNumber].m_nNumPrevHitBoxes ) && ( nBoxIndex >= 0 ) ) { Vector vecParticlePosition; ModelHitBoxInfo_t const &hb = pParticles->m_ControlPointHitBoxes[m_nControlPointNumber].m_pHitBoxes[ nBoxIndex ]; vecParticlePosition.x = Lerp( pUVW[0], hb.m_vecBoxMins.x, hb.m_vecBoxMaxes.x ); vecParticlePosition.y = Lerp( pUVW[4], hb.m_vecBoxMins.y, hb.m_vecBoxMaxes.y ); vecParticlePosition.z = Lerp( pUVW[8], hb.m_vecBoxMins.z, hb.m_vecBoxMaxes.z ); Vector vecWorldPosition; VectorTransform( vecParticlePosition, hb.m_Transform, vecWorldPosition ); Vector vecPrevParticlePosition; ModelHitBoxInfo_t phb = pParticles->m_ControlPointHitBoxes[m_nControlPointNumber].m_pPrevBoxes[ nBoxIndex ]; vecPrevParticlePosition.x = Lerp( pUVW[0], phb.m_vecBoxMins.x, phb.m_vecBoxMaxes.x ); vecPrevParticlePosition.y = Lerp( pUVW[4], phb.m_vecBoxMins.y, phb.m_vecBoxMaxes.y ); vecPrevParticlePosition.z = Lerp( pUVW[8], phb.m_vecBoxMins.z, phb.m_vecBoxMaxes.z ); Vector vecPrevWorldPosition; VectorTransform( vecPrevParticlePosition, phb.m_Transform, vecPrevWorldPosition ); Vector Delta = vecWorldPosition-vecPrevWorldPosition; if ( flAge > m_flLifeTimeFadeStart ) Delta *= flStrength * ( 1.0- ( ( flAge - m_flLifeTimeFadeStart ) * flIScale ) ); Vector xyz; SetVectorFromAttribute( xyz, pXYZ ); xyz += Delta; SetVectorAttribute( pXYZ, xyz ); Vector prevxyz; SetVectorFromAttribute( prevxyz, pPrevXYZ ); prevxyz += Delta; SetVectorAttribute( pPrevXYZ, prevxyz ); } } } } }; //----------------------------------------------------------------------------- // Plane Cull Operator - cull particles on the "wrong" side of a plane //----------------------------------------------------------------------------- class C_OP_PlaneCull : public CParticleOperatorInstance { int m_nPlaneControlPoint; Vector m_vecPlaneDirection; float m_flPlaneOffset; DECLARE_PARTICLE_OPERATOR( C_OP_PlaneCull ); uint32 GetWrittenAttributes( void ) const { return 0; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK; } virtual uint64 GetReadControlPointMask() const { return ( 1ULL << m_nPlaneControlPoint ); } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_PlaneCull, "Cull when crossing plane", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_PlaneCull ) DMXELEMENT_UNPACK_FIELD( "Control Point for point on plane", "0", int, m_nPlaneControlPoint ) DMXELEMENT_UNPACK_FIELD( "Cull plane offset", "0", float, m_flPlaneOffset ) DMXELEMENT_UNPACK_FIELD( "Plane Normal", "0 0 1", Vector, m_vecPlaneDirection ) END_PARTICLE_OPERATOR_UNPACK( C_OP_PlaneCull ) void C_OP_PlaneCull::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { C4VAttributeIterator pXYZ( PARTICLE_ATTRIBUTE_XYZ, pParticles ); int nLimit = pParticles->m_nPaddedActiveParticles << 2; // setup vars FourVectors v4N ; v4N.DuplicateVector( m_vecPlaneDirection ); v4N.VectorNormalize(); FourVectors v4Pnt; v4Pnt.DuplicateVector( pParticles->GetControlPointAtCurrentTime( m_nPlaneControlPoint ) ); FourVectors ofs = v4N; ofs *= ReplicateX4( m_flPlaneOffset ); v4Pnt -= ofs; for ( int i = 0; i < nLimit; i+= 4 ) { FourVectors f4PlaneRel = (*pXYZ ); f4PlaneRel -= v4Pnt; fltx4 fl4PlaneEq = ( f4PlaneRel * v4N ); if ( IsAnyNegative( fl4PlaneEq ) ) { // not especially pretty - we need to kill some particles. int nMask = TestSignSIMD( fl4PlaneEq ); if ( nMask & 1 ) pParticles->KillParticle( i ); if ( nMask & 2 ) pParticles->KillParticle( i + 1 ); if ( nMask & 4 ) pParticles->KillParticle( i + 2 ); if ( nMask & 8 ) pParticles->KillParticle( i + 3 ); } ++pXYZ; } } //----------------------------------------------------------------------------- // Model Cull Operator - cull particles inside or outside of a brush/animated model //----------------------------------------------------------------------------- class C_OP_ModelCull : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_ModelCull ); int m_nControlPointNumber; bool m_bBoundBox; bool m_bCullOutside; uint32 GetWrittenAttributes( void ) const { return 0; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK; } void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { m_nControlPointNumber = max( 0, min( MAX_PARTICLE_CONTROL_POINTS-1, m_nControlPointNumber ) ); } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_ModelCull , "Cull relative to model", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_ModelCull ) DMXELEMENT_UNPACK_FIELD( "control_point_number", "0", int, m_nControlPointNumber ) DMXELEMENT_UNPACK_FIELD( "use only bounding box", "0", bool, m_bBoundBox ) DMXELEMENT_UNPACK_FIELD( "cull outside instead of inside", "0", bool, m_bCullOutside ) END_PARTICLE_OPERATOR_UNPACK( C_OP_ModelCull ) void C_OP_ModelCull::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { pParticles->UpdateHitBoxInfo( m_nControlPointNumber ); if ( pParticles->m_ControlPointHitBoxes[m_nControlPointNumber].CurAndPrevValid() ) { for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { float *pXYZ = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_XYZ, i ); Vector vecParticlePosition; SetVectorFromAttribute( vecParticlePosition, pXYZ ); bool bInside = g_pParticleSystemMgr->Query()->IsPointInControllingObjectHitBox( pParticles, m_nControlPointNumber, vecParticlePosition, m_bBoundBox ); if ( ( bInside && m_bCullOutside ) || ( !bInside && !m_bCullOutside )) continue; pParticles->KillParticle(i); } } }; //----------------------------------------------------------------------------- // Assign CP to Center //----------------------------------------------------------------------------- class C_OP_SetControlPointToCenter : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_SetControlPointToCenter ); int m_nCP1; Vector m_vecCP1Pos; uint32 GetWrittenAttributes( void ) const { return 0; } uint32 GetReadAttributes( void ) const { return 0; } void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { m_nCP1 = max( 0, min( MAX_PARTICLE_CONTROL_POINTS-1, m_nCP1 ) ); } bool ShouldRunBeforeEmitters( void ) const { return true; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_SetControlPointToCenter, "Set Control Point To Particles' Center", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_SetControlPointToCenter ) DMXELEMENT_UNPACK_FIELD( "Control Point Number to Set", "1", int, m_nCP1 ) DMXELEMENT_UNPACK_FIELD( "Center Offset", "0 0 0", Vector, m_vecCP1Pos ) END_PARTICLE_OPERATOR_UNPACK( C_OP_SetControlPointToCenter ) void C_OP_SetControlPointToCenter::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { Vector vecMinBounds; Vector vecMaxBounds; pParticles->GetBounds( &vecMinBounds, &vecMaxBounds ); Vector vecCenter = ( ( vecMinBounds + vecMaxBounds ) / 2 ); pParticles->SetControlPoint( m_nCP1, m_vecCP1Pos + vecCenter ); } //----------------------------------------------------------------------------- // Velocity Match a group of particles //----------------------------------------------------------------------------- class C_OP_VelocityMatchingForce : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_VelocityMatchingForce ); float m_flDirScale; float m_flSpdScale; int m_nCPBroadcast; struct VelocityMatchingForceContext_t { Vector m_vecAvgVelocity; float m_flAvgSpeed; }; uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK ; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK ; } virtual void InitializeContextData( CParticleCollection *pParticles, void *pContext ) const { VelocityMatchingForceContext_t *pCtx = reinterpret_cast( pContext ); pCtx->m_vecAvgVelocity = vec3_origin; pCtx->m_flAvgSpeed = 0; } size_t GetRequiredContextBytes( void ) const { return sizeof( VelocityMatchingForceContext_t ); } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_VelocityMatchingForce , "Movement Match Particle Velocities", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_VelocityMatchingForce ) DMXELEMENT_UNPACK_FIELD( "Direction Matching Strength", "0.25", float, m_flDirScale ) DMXELEMENT_UNPACK_FIELD( "Speed Matching Strength", "0.25", float, m_flSpdScale ) DMXELEMENT_UNPACK_FIELD( "Control Point to Broadcast Speed and Direction To", "-1", int, m_nCPBroadcast ) END_PARTICLE_OPERATOR_UNPACK( C_OP_VelocityMatchingForce ) void C_OP_VelocityMatchingForce::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { VelocityMatchingForceContext_t *pCtx = reinterpret_cast( pContext ); Vector vecVelocityAvg = vec3_origin; float flAvgSpeed = 0; // FIXME: SSE-ize for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { float *xyz = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_XYZ, i ); float *xyz_prev = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_PREV_XYZ, i ); Vector vecXYZ; Vector vecPXYZ; SetVectorFromAttribute( vecXYZ, xyz ); SetVectorFromAttribute( vecPXYZ, xyz_prev ); Vector vecVelocityCur = ( ( vecXYZ - vecPXYZ ) / pParticles->m_flDt ); vecVelocityAvg += vecVelocityCur; float flSpeed = vecVelocityCur.Length(); flAvgSpeed += flSpeed; if ( pCtx->m_vecAvgVelocity != vec3_origin ) { Vector vecScaledXYZ; VectorNormalizeFast(vecVelocityCur); VectorLerp( vecVelocityCur, pCtx->m_vecAvgVelocity, m_flDirScale, vecScaledXYZ ); VectorNormalizeFast(vecScaledXYZ); flSpeed = Lerp ( m_flSpdScale, flSpeed, pCtx->m_flAvgSpeed ); vecScaledXYZ *= flSpeed; vecScaledXYZ = ( ( vecScaledXYZ * pParticles->m_flDt ) + vecPXYZ ); SetVectorAttribute( xyz, vecScaledXYZ ); } } VectorNormalizeFast( vecVelocityAvg ); pCtx->m_vecAvgVelocity = vecVelocityAvg; pCtx->m_flAvgSpeed = ( flAvgSpeed / pParticles->m_nActiveParticles ); if ( m_nCPBroadcast != -1 ) { pParticles->SetControlPoint( m_nCPBroadcast, Vector ( pCtx->m_flAvgSpeed, pCtx->m_flAvgSpeed, pCtx->m_flAvgSpeed ) ); pParticles->SetControlPointForwardVector( m_nCPBroadcast, pCtx->m_vecAvgVelocity ); } }; //----------------------------------------------------------------------------- // Orient to heading //----------------------------------------------------------------------------- class C_OP_OrientTo2dDirection : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_OrientTo2dDirection ); float m_flRotOffset; float m_flSpinStrength; uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_ROTATION_MASK; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK ; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_OrientTo2dDirection , "Rotation Orient to 2D Direction", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_OrientTo2dDirection ) DMXELEMENT_UNPACK_FIELD( "Rotation Offset", "0", float, m_flRotOffset ) DMXELEMENT_UNPACK_FIELD( "Spin Strength", "1", float, m_flSpinStrength ) END_PARTICLE_OPERATOR_UNPACK( C_OP_OrientTo2dDirection ) void C_OP_OrientTo2dDirection::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { float flRotOffset = m_flRotOffset * ( M_PI / 180.0f ); // FIXME: SSE-ize for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { const float *xyz = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_XYZ, i ); const float *xyz_prev = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_PREV_XYZ, i ); float *roll = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_ROTATION, i ); Vector vecXYZ; Vector vecPXYZ; vecXYZ.x = xyz[0]; vecXYZ.y = xyz[4]; vecXYZ.z = xyz[8]; vecPXYZ.x = xyz_prev[0]; vecPXYZ.y = xyz_prev[4]; vecPXYZ.z = xyz_prev[8]; Vector vecVelocityCur = ( vecXYZ - vecPXYZ ); vecVelocityCur.z = 0.0f; VectorNormalizeFast ( vecVelocityCur ); float flCurRot = *roll; float flVelRot = atan2(vecVelocityCur.y, vecVelocityCur.x ) + M_PI; flVelRot += flRotOffset; float flRotation = Lerp ( m_flSpinStrength, flCurRot, flVelRot ); *roll = flRotation; } }; //----------------------------------------------------------------------------- // Orient relative to CP //----------------------------------------------------------------------------- class C_OP_Orient2DRelToCP : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_Orient2DRelToCP ); float m_flRotOffset; float m_flSpinStrength; int m_nCP; uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_ROTATION_MASK; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK ; } virtual uint64 GetReadControlPointMask() const { return ( 1ULL << m_nCP ); } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_Orient2DRelToCP , "Rotation Orient Relative to CP", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_Orient2DRelToCP ) DMXELEMENT_UNPACK_FIELD( "Rotation Offset", "0", float, m_flRotOffset ) DMXELEMENT_UNPACK_FIELD( "Spin Strength", "1", float, m_flSpinStrength ) DMXELEMENT_UNPACK_FIELD( "Control Point", "0", int, m_nCP ) END_PARTICLE_OPERATOR_UNPACK( C_OP_Orient2DRelToCP ) void C_OP_Orient2DRelToCP::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { float flRotOffset = m_flRotOffset * ( M_PI / 180.0f ); // FIXME: SSE-ize for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { const float *xyz = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_XYZ, i ); float *roll = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_ROTATION, i ); Vector vecXYZ; Vector vecCP; vecCP = pParticles->GetControlPointAtCurrentTime( m_nCP ); vecXYZ.x = xyz[0]; vecXYZ.y = xyz[4]; vecXYZ.z = xyz[8]; Vector vecVelocityCur = ( vecXYZ - vecCP ); vecVelocityCur.z = 0.0f; VectorNormalizeFast ( vecVelocityCur ); float flCurRot = *roll; float flVelRot = atan2(vecVelocityCur.y, vecVelocityCur.x ) + M_PI; flVelRot += flRotOffset; float flRotation = Lerp ( m_flSpinStrength, flCurRot, flVelRot ); *roll = flRotation; } }; //----------------------------------------------------------------------------- // Max Velocity - clamps the maximum velocity of a particle //----------------------------------------------------------------------------- class C_OP_MaxVelocity : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_MaxVelocity ); float m_flMaxVelocity; uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK ; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK ; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_MaxVelocity , "Movement Max Velocity", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_MaxVelocity ) DMXELEMENT_UNPACK_FIELD( "Maximum Velocity", "0", float, m_flMaxVelocity ) END_PARTICLE_OPERATOR_UNPACK( C_OP_MaxVelocity ) void C_OP_MaxVelocity::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { // FIXME: SSE-ize for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { float *xyz = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_XYZ, i ); float *xyz_prev = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_PREV_XYZ, i ); Vector vecXYZ; Vector vecPXYZ; SetVectorFromAttribute( vecXYZ, xyz ); SetVectorFromAttribute( vecPXYZ, xyz_prev ); Vector vecVelocityCur = ( ( vecXYZ - vecPXYZ ) ); float flSpeed = vecVelocityCur.Length(); VectorNormalizeFast( vecVelocityCur ); float flMaxVelocityNormalized = m_flMaxVelocity * pParticles->m_flDt; vecVelocityCur *= min( flSpeed, flMaxVelocityNormalized); vecXYZ = vecPXYZ + vecVelocityCur; SetVectorAttribute( xyz, vecXYZ ); } }; //----------------------------------------------------------------------------- // Maintain position along a path //----------------------------------------------------------------------------- struct SequentialPositionContext_t { int m_nParticleCount; float m_flStep; int m_nCountAmount; }; class C_OP_MaintainSequentialPath : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_MaintainSequentialPath ); float m_fMaxDistance; float m_flNumToAssign; bool m_bLoop; float m_flCohesionStrength; struct CPathParameters m_PathParams; uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK; } uint32 GetReadAttributes( void ) const { return 0; } virtual uint64 GetReadControlPointMask() const { uint64 nStartMask = ( 1ULL << m_PathParams.m_nStartControlPointNumber ) - 1; uint64 nEndMask = ( 1ULL << ( m_PathParams.m_nEndControlPointNumber + 1 ) ) - 1; return nEndMask & (~nStartMask); } virtual void InitializeContextData( CParticleCollection *pParticles, void *pContext ) const { SequentialPositionContext_t *pCtx = reinterpret_cast( pContext ); pCtx->m_nParticleCount = 0; if ( m_flNumToAssign > 1.0f ) { pCtx->m_flStep = 1.0f / ( m_flNumToAssign - 1 ); } else { pCtx->m_flStep = 0.0f; } pCtx->m_nCountAmount = 1; } void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { m_PathParams.ClampControlPointIndices(); } size_t GetRequiredContextBytes( void ) const { return sizeof( SequentialPositionContext_t ); } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_MaintainSequentialPath, "Movement Maintain Position Along Path", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_MaintainSequentialPath ) DMXELEMENT_UNPACK_FIELD( "maximum distance", "0", float, m_fMaxDistance ) DMXELEMENT_UNPACK_FIELD( "bulge", "0", float, m_PathParams.m_flBulge ) DMXELEMENT_UNPACK_FIELD( "start control point number", "0", int, m_PathParams.m_nStartControlPointNumber ) DMXELEMENT_UNPACK_FIELD( "end control point number", "0", int, m_PathParams.m_nEndControlPointNumber ) DMXELEMENT_UNPACK_FIELD( "bulge control 0=random 1=orientation of start pnt 2=orientation of end point", "0", int, m_PathParams.m_nBulgeControl ) DMXELEMENT_UNPACK_FIELD( "mid point position", "0.5", float, m_PathParams.m_flMidPoint ) DMXELEMENT_UNPACK_FIELD( "particles to map from start to end", "100", float, m_flNumToAssign ) DMXELEMENT_UNPACK_FIELD( "restart behavior (0 = bounce, 1 = loop )", "1", bool, m_bLoop ) DMXELEMENT_UNPACK_FIELD( "cohesion strength", "1", float, m_flCohesionStrength ) END_PARTICLE_OPERATOR_UNPACK( C_OP_MaintainSequentialPath ) void C_OP_MaintainSequentialPath::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { // NOTE: Using C_OP_ContinuousEmitter:: avoids a virtual function call SequentialPositionContext_t *pCtx = reinterpret_cast( pContext ); float fl_Cohesion = ( 1 - m_flCohesionStrength ); for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { float *xyz = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_XYZ, i ); float *pxyz = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_PREV_XYZ, i ); Vector StartPnt, MidP, EndPnt; pParticles->CalculatePathValues( m_PathParams, pParticles->m_flCurTime, &StartPnt, &MidP, &EndPnt); if ( pCtx->m_nParticleCount >= m_flNumToAssign || pCtx->m_nParticleCount < 0 ) { if ( m_bLoop ) { pCtx->m_nParticleCount = 0; } else { pCtx->m_nCountAmount *= -1; pCtx->m_nParticleCount = min ( pCtx->m_nParticleCount, (int)( m_flNumToAssign - 1) ); pCtx->m_nParticleCount = max ( pCtx->m_nParticleCount, 1 ); } } float t= pCtx->m_nParticleCount * pCtx->m_flStep; // form delta terms needed for quadratic bezier Vector Delta0=MidP-StartPnt; Vector Delta1 = EndPnt-MidP; Vector L0 = StartPnt+t*Delta0; Vector L1 = MidP+t*Delta1; Vector Pnt = L0+(L1-L0)*t; // Allow an offset distance and position lerp Vector vecXYZ; Vector vecPXYZ; SetVectorFromAttribute( vecXYZ, xyz ); SetVectorFromAttribute( vecPXYZ, pxyz ); vecXYZ -= Pnt; vecPXYZ -= Pnt; float flXYZOffset = min (vecXYZ.Length(), m_fMaxDistance ); float flPXYZOffset = min (vecPXYZ.Length(), m_fMaxDistance ); VectorNormalizeFast( vecXYZ ); vecXYZ *= flXYZOffset * fl_Cohesion; VectorNormalizeFast( vecPXYZ ); vecPXYZ *= flPXYZOffset * fl_Cohesion; vecXYZ += Pnt; vecPXYZ += Pnt; xyz[0] = vecXYZ.x; xyz[4] = vecXYZ.y; xyz[8] = vecXYZ.z; pxyz[0] = vecPXYZ.x; pxyz[4] = vecPXYZ.y; pxyz[8] = vecPXYZ.z; pCtx->m_nParticleCount += pCtx->m_nCountAmount; } } //----------------------------------------------------------------------------- // Remap Dot Product to Scalar Operator //----------------------------------------------------------------------------- class C_OP_RemapDotProductToScalar : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_RemapDotProductToScalar ); uint32 GetWrittenAttributes( void ) const { return 1 << m_nFieldOutput; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK; } virtual uint64 GetReadControlPointMask() const { return ( 1ULL << m_nInputCP1 ) | ( 1ULL << m_nInputCP2 ); } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; int m_nInputCP1; int m_nInputCP2; int m_nFieldOutput; float m_flInputMin; float m_flInputMax; float m_flOutputMin; float m_flOutputMax; bool m_bUseParticleVelocity; bool m_bScaleInitialRange; bool m_bActiveRange; }; DEFINE_PARTICLE_OPERATOR( C_OP_RemapDotProductToScalar, "Remap Dot Product to Scalar", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_RemapDotProductToScalar ) DMXELEMENT_UNPACK_FIELD( "use particle velocity for first input", "0", bool, m_bUseParticleVelocity ) DMXELEMENT_UNPACK_FIELD( "first input control point", "0", int, m_nInputCP1 ) DMXELEMENT_UNPACK_FIELD( "second input control point", "0", int, m_nInputCP2 ) DMXELEMENT_UNPACK_FIELD( "input minimum (-1 to 1)","0", float, m_flInputMin ) DMXELEMENT_UNPACK_FIELD( "input maximum (-1 to 1)","1", float, m_flInputMax ) DMXELEMENT_UNPACK_FIELD_USERDATA( "output field", "3", int, m_nFieldOutput, "intchoice particlefield_scalar" ) DMXELEMENT_UNPACK_FIELD( "output minimum","0", float, m_flOutputMin ) DMXELEMENT_UNPACK_FIELD( "output maximum","1", float, m_flOutputMax ) DMXELEMENT_UNPACK_FIELD( "output is scalar of initial random range","0", bool, m_bScaleInitialRange ) DMXELEMENT_UNPACK_FIELD( "only active within specified input range","0", bool, m_bActiveRange ) END_PARTICLE_OPERATOR_UNPACK( C_OP_RemapDotProductToScalar ) void C_OP_RemapDotProductToScalar::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { // clamp the result to 0 and 1 if it's alpha float flMin=m_flOutputMin; float flMax=m_flOutputMax; if ( ATTRIBUTES_WHICH_ARE_0_TO_1 & ( 1 << m_nFieldOutput ) ) { flMin = clamp(m_flOutputMin, 0.0f, 1.0f ); flMax = clamp(m_flOutputMax, 0.0f, 1.0f ); } Vector vecInput1; Vector vecInput2; CParticleSIMDTransformation pXForm1; CParticleSIMDTransformation pXForm2; pParticles->GetControlPointTransformAtTime( m_nInputCP1, pParticles->m_flCurTime, &pXForm1 ); pParticles->GetControlPointTransformAtTime( m_nInputCP2, pParticles->m_flCurTime, &pXForm2 ); vecInput1 = pXForm1.m_v4Fwd.Vec( 0 ); vecInput2 = pXForm2.m_v4Fwd.Vec( 0 ); float flInput = DotProduct( vecInput1, vecInput2 ); // only use within start/end time frame and, if set, active input range if ( ( m_bActiveRange && !m_bUseParticleVelocity && ( flInput < m_flInputMin || flInput > m_flInputMax ) ) ) return; // FIXME: SSE-ize for ( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { if ( m_bUseParticleVelocity ) { const float *xyz = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_XYZ, i ); const float *pxyz = pParticles->GetFloatAttributePtrForWrite( PARTICLE_ATTRIBUTE_PREV_XYZ, i ); Vector vecXYZ; Vector vecPXYZ; vecXYZ.x = xyz[0]; vecXYZ.y = xyz[4]; vecXYZ.z = xyz[8]; vecPXYZ.x = pxyz[0]; vecPXYZ.y = pxyz[4]; vecPXYZ.z = pxyz[8]; vecInput1 = vecXYZ - vecPXYZ; VectorNormalizeFast( vecInput1 ); float flInputDot = DotProduct( vecInput1, vecInput2 ); // only use within start/end time frame and, if set, active input range if ( ( m_bActiveRange && (flInputDot < m_flInputMin || flInputDot > m_flInputMax ) ) ) continue; } float *pOutput = pParticles->GetFloatAttributePtrForWrite( m_nFieldOutput, i ); float flOutput = RemapValClamped( flInput, m_flInputMin, m_flInputMax, flMin, flMax ); if ( m_bScaleInitialRange ) { flOutput *= *pOutput; } if ( ATTRIBUTES_WHICH_ARE_INTS & ( 1 << m_nFieldOutput ) ) { *pOutput = int ( flOutput ); } else { *pOutput = flOutput; } } } //----------------------------------------------------------------------------- // Remap CP to Scalar Operator //----------------------------------------------------------------------------- class C_OP_RemapCPtoScalar : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_RemapCPtoScalar ); uint32 GetWrittenAttributes( void ) const { return 1 << m_nFieldOutput; } uint32 GetReadAttributes( void ) const { return 0; } virtual uint64 GetReadControlPointMask() const { return 1ULL << m_nCPInput; } virtual void InitParams( CParticleSystemDefinition *pDef, CDmxElement *pElement ) { m_nField = int (clamp (m_nField, 0, 2)); } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; int m_nCPInput; int m_nFieldOutput; int m_nField; float m_flInputMin; float m_flInputMax; float m_flOutputMin; float m_flOutputMax; float m_flStartTime; float m_flEndTime; bool m_bScaleInitialRange; }; DEFINE_PARTICLE_OPERATOR( C_OP_RemapCPtoScalar, "Remap Control Point to Scalar", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_RemapCPtoScalar ) DMXELEMENT_UNPACK_FIELD( "emitter lifetime start time (seconds)", "-1", float, m_flStartTime ) DMXELEMENT_UNPACK_FIELD( "emitter lifetime end time (seconds)", "-1", float, m_flEndTime ) DMXELEMENT_UNPACK_FIELD( "input control point number", "0", int, m_nCPInput ) DMXELEMENT_UNPACK_FIELD( "input minimum","0", float, m_flInputMin ) DMXELEMENT_UNPACK_FIELD( "input maximum","1", float, m_flInputMax ) DMXELEMENT_UNPACK_FIELD( "input field 0-2 X/Y/Z","0", int, m_nField ) DMXELEMENT_UNPACK_FIELD_USERDATA( "output field", "3", int, m_nFieldOutput, "intchoice particlefield_scalar" ) DMXELEMENT_UNPACK_FIELD( "output minimum","0", float, m_flOutputMin ) DMXELEMENT_UNPACK_FIELD( "output maximum","1", float, m_flOutputMax ) DMXELEMENT_UNPACK_FIELD( "output is scalar of initial random range","0", bool, m_bScaleInitialRange ) END_PARTICLE_OPERATOR_UNPACK( C_OP_RemapCPtoScalar ) void C_OP_RemapCPtoScalar::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { const float *pCreationTime; // clamp the result to 0 and 1 if it's alpha float flMin=m_flOutputMin; float flMax=m_flOutputMax; if ( ATTRIBUTES_WHICH_ARE_0_TO_1 & ( 1 << m_nFieldOutput ) ) { flMin = clamp(m_flOutputMin, 0.0f, 1.0f ); flMax = clamp(m_flOutputMax, 0.0f, 1.0f ); } Vector vecControlPoint = pParticles->GetControlPointAtCurrentTime( m_nCPInput ); float flInput = vecControlPoint[m_nField]; // FIXME: SSE-ize for( int i = 0; i < pParticles->m_nActiveParticles; ++i ) { pCreationTime = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_CREATION_TIME, i ); // using raw creation time to map to emitter lifespan float flLifeTime = *pCreationTime; // only use within start/end time frame if ( ( ( flLifeTime < m_flStartTime ) || ( flLifeTime >= m_flEndTime ) ) && ( ( m_flStartTime != -1.0f) && ( m_flEndTime != -1.0f) ) ) continue; float *pOutput = pParticles->GetFloatAttributePtrForWrite( m_nFieldOutput, i ); float flOutput = RemapValClamped( flInput, m_flInputMin, m_flInputMax, flMin, flMax ); if ( m_bScaleInitialRange ) { flOutput = *pOutput * flOutput; } if ( ATTRIBUTES_WHICH_ARE_INTS & ( 1 << m_nFieldOutput ) ) { *pOutput = int ( flOutput ); } else { *pOutput = flOutput; } } } //----------------------------------------------------------------------------- // Rotate Particle around axis //----------------------------------------------------------------------------- class C_OP_MovementRotateParticleAroundAxis : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_MovementRotateParticleAroundAxis ); Vector m_vecRotAxis; float m_flRotRate; int m_nCP; bool m_bLocalSpace; uint32 GetWrittenAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK ; } uint32 GetReadAttributes( void ) const { return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK ; } virtual uint64 GetReadControlPointMask() const { return 1ULL << m_nCP; } void InitParams( CParticleSystemDefinition *pDef ) { VectorNormalize( m_vecRotAxis ); } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; }; DEFINE_PARTICLE_OPERATOR( C_OP_MovementRotateParticleAroundAxis , "Movement Rotate Particle Around Axis", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_MovementRotateParticleAroundAxis ) DMXELEMENT_UNPACK_FIELD( "Rotation Axis", "0 0 1", Vector, m_vecRotAxis ) DMXELEMENT_UNPACK_FIELD( "Rotation Rate", "180", float, m_flRotRate ) DMXELEMENT_UNPACK_FIELD( "Control Point", "0", int, m_nCP ) DMXELEMENT_UNPACK_FIELD( "Use Local Space", "0", bool, m_bLocalSpace ) END_PARTICLE_OPERATOR_UNPACK( C_OP_MovementRotateParticleAroundAxis ) void C_OP_MovementRotateParticleAroundAxis::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { float flRotRate = m_flRotRate * pParticles->m_flDt; matrix3x4_t matRot; Vector vecRotAxis = m_vecRotAxis; if ( m_bLocalSpace ) { matrix3x4_t matLocalCP; pParticles->GetControlPointTransformAtCurrentTime( m_nCP, &matLocalCP ); VectorRotate( m_vecRotAxis, matLocalCP, vecRotAxis ); } MatrixBuildRotationAboutAxis ( vecRotAxis, flRotRate, matRot ); Vector vecCPPos = pParticles->GetControlPointAtCurrentTime( m_nCP ); FourVectors fvCPPos; fvCPPos.DuplicateVector( vecCPPos ); fltx4 fl4Strength = ReplicateX4( flStrength ); C4VAttributeWriteIterator pXYZ( PARTICLE_ATTRIBUTE_XYZ, pParticles ); C4VAttributeWriteIterator pPrevXYZ( PARTICLE_ATTRIBUTE_PREV_XYZ, pParticles ); int nCtr = pParticles->m_nPaddedActiveParticles; do { FourVectors fvCurPos = *pXYZ; fvCurPos -= fvCPPos; FourVectors fvPrevPos = *pPrevXYZ; fvPrevPos -= fvCPPos; fvCurPos.RotateBy( matRot ); fvPrevPos.RotateBy( matRot ); fvCurPos += fvCPPos; fvCurPos -= *pXYZ; fvCurPos *= fl4Strength; *pXYZ += fvCurPos; fvPrevPos += fvCPPos; fvPrevPos -= *pPrevXYZ; fvPrevPos *= fl4Strength; *pPrevXYZ += fvPrevPos; ++pXYZ; ++pPrevXYZ; } while ( --nCtr ); }; //----------------------------------------------------------------------------- // Remap Speed to CP Operator //----------------------------------------------------------------------------- class C_OP_RemapSpeedtoCP : public CParticleOperatorInstance { DECLARE_PARTICLE_OPERATOR( C_OP_RemapSpeedtoCP ); uint32 GetWrittenAttributes( void ) const { return 0; } uint32 GetReadAttributes( void ) const { return 0; } virtual uint64 GetReadControlPointMask() const { return ( 1ULL << m_nInControlPointNumber ) | ( 1ULL << m_nOutControlPointNumber ); } bool ShouldRunBeforeEmitters( void ) const { return true; } virtual void InitParams(CParticleSystemDefinition *pDef ) { // Safety for bogus input->output feedback loop if ( m_nInControlPointNumber == m_nOutControlPointNumber ) m_nOutControlPointNumber = -1; } virtual void Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const; int m_nInControlPointNumber; int m_nOutControlPointNumber; int m_nField; float m_flInputMin; float m_flInputMax; float m_flOutputMin; float m_flOutputMax; }; DEFINE_PARTICLE_OPERATOR( C_OP_RemapSpeedtoCP, "Remap CP Speed to CP", OPERATOR_GENERIC ); BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_RemapSpeedtoCP ) DMXELEMENT_UNPACK_FIELD( "input control point", "0", int, m_nInControlPointNumber ) DMXELEMENT_UNPACK_FIELD( "input minimum","0", float, m_flInputMin ) DMXELEMENT_UNPACK_FIELD( "input maximum","1", float, m_flInputMax ) DMXELEMENT_UNPACK_FIELD( "output control point", "-1", int, m_nOutControlPointNumber ) DMXELEMENT_UNPACK_FIELD( "Output field 0-2 X/Y/Z","0", int, m_nField ) DMXELEMENT_UNPACK_FIELD( "output minimum","0", float, m_flOutputMin ) DMXELEMENT_UNPACK_FIELD( "output maximum","1", float, m_flOutputMax ) END_PARTICLE_OPERATOR_UNPACK( C_OP_RemapSpeedtoCP ); void C_OP_RemapSpeedtoCP::Operate( CParticleCollection *pParticles, float flStrength, void *pContext ) const { if ( m_nOutControlPointNumber >= 0 ) { Vector vecPrevPos; pParticles->GetControlPointAtPrevTime( m_nInControlPointNumber, &vecPrevPos ); Vector vecDelta; vecDelta = pParticles->GetControlPointAtCurrentTime( m_nInControlPointNumber ) - vecPrevPos; float flSpeed = vecDelta.Length() / pParticles->m_flPreviousDt; float flOutput = RemapValClamped( flSpeed, m_flInputMin, m_flInputMax, m_flOutputMin, m_flOutputMax ); Vector vecControlPoint = pParticles->GetControlPointAtCurrentTime( m_nOutControlPointNumber ); vecControlPoint[m_nField] = flOutput; pParticles->SetControlPoint( m_nOutControlPointNumber, vecControlPoint ); } } void AddBuiltInParticleOperators( void ) { REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_BasicMovement ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_Decay ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_VelocityDecay ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_FadeAndKill ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_FadeIn ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_FadeOut ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_Spin ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_SpinUpdate ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_SpinYaw ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_OrientTo2dDirection ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_Orient2DRelToCP ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_InterpolateRadius ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_ColorInterpolate ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_OscillateScalar ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_OscillateVector ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_DampenToCP ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_PositionLock ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_LockToBone ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_DistanceBetweenCPs ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_DistanceToCP ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_SetControlPointToPlayer ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_SetControlPointToCenter ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_SetChildControlPoints ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_SetControlPointPositions ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_PlaneCull ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_ModelCull ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_Cull ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_ControlpointLight ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_RemapScalar ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_Noise ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_VectorNoise ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_VelocityMatchingForce ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_MaxVelocity ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_MaintainSequentialPath ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_RemapDotProductToScalar ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_RemapCPtoScalar ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_MovementRotateParticleAroundAxis ); REGISTER_PARTICLE_OPERATOR( FUNCTION_OPERATOR, C_OP_RemapSpeedtoCP ); }