116 lines
3.7 KiB
Ucode
116 lines
3.7 KiB
Ucode
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/**
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* ParticleModuleBeamModifier
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*
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* This module implements a single modifier for a beam emitter.
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*
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class ParticleModuleBeamModifier extends ParticleModuleBeamBase
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native(Particle)
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editinlinenew
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hidecategories(Object);
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/** What to modify. */
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enum BeamModifierType
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{
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/** Modify the source of the beam. */
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PEB2MT_Source,
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/** Modify the target of the beam. */
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PEB2MT_Target
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};
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/** Whether this module modifies the Source or the Target. */
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var(Modifier) BeamModifierType ModifierType;
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struct native BeamModifierOptions
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{
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/** If TRUE, modify the value associated with this grouping. */
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var() bool bModify;
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/** If TRUE, scale the associated value by the given value. */
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var() bool bScale;
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/** If TRUE, lock the modifier to the life of the particle. */
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var() bool bLock;
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};
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/** The options associated with the position. */
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var(Position) BeamModifierOptions PositionOptions;
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/** The value to use when modifying the position. */
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var(Position) rawdistributionvector Position;
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/** The options associated with the Tangent. */
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var(Tangent) BeamModifierOptions TangentOptions;
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/** The value to use when modifying the Tangent. */
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var(Tangent) rawdistributionvector Tangent;
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/** If TRUE, don't transform the tangent modifier into the tangent basis. */
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var(Tangent) bool bAbsoluteTangent;
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/** The options associated with the Strength. */
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var(Strength) BeamModifierOptions StrengthOptions;
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/** The value to use when modifying the Strength. */
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var(Strength) rawdistributionfloat Strength;
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cpptext
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{
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virtual void Spawn(FParticleEmitterInstance* Owner, INT Offset, FLOAT SpawnTime);
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virtual void Update(FParticleEmitterInstance* Owner, INT Offset, FLOAT DeltaTime);
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virtual UINT RequiredBytes(FParticleEmitterInstance* Owner = NULL);
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virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent);
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virtual void AutoPopulateInstanceProperties(UParticleSystemComponent* PSysComp);
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/**
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* Fill an array with each Object property that fulfills the FCurveEdInterface interface.
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*
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* @param OutCurve The array that should be filled in.
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*/
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virtual void GetCurveObjects(TArray<FParticleCurvePair>& OutCurves);
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/**
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* Add all curve-editable Objects within this module to the curve editor.
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*
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* @param EdSetup The CurveEd setup to use for adding curved.
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*/
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virtual void AddModuleCurvesToEditor(UInterpCurveEdSetup* EdSetup);
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void GetDataPointers(FParticleEmitterInstance* Owner, const BYTE* ParticleBase,
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INT& CurrentOffset, FBeam2TypeDataPayload*& BeamDataPayload,
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FBeamParticleModifierPayloadData*& SourceModifierPayload,
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FBeamParticleModifierPayloadData*& TargetModifierPayload);
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void GetDataPointerOffsets(FParticleEmitterInstance* Owner, const BYTE* ParticleBase,
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INT& CurrentOffset, INT& BeamDataOffset, INT& SourceModifierOffset,
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INT& TargetModifierOffset);
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/**
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* Retrieve the ParticleSysParams associated with this module.
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*
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* @param ParticleSysParamList The list of FParticleSysParams to add to
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*/
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virtual void GetParticleSysParamsUtilized(TArray<FString>& ParticleSysParamList);
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}
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defaultproperties
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{
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ModifierType=PEB2MT_Source
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Begin Object Class=DistributionVectorConstant Name=DistributionPosition
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Constant=(X=0,Y=0,Z=0)
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End Object
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Position=(Distribution=DistributionPosition)
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Begin Object Class=DistributionVectorConstant Name=DistributionTangent
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Constant=(X=0,Y=0,Z=0)
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End Object
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Tangent=(Distribution=DistributionTangent)
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Begin Object Class=DistributionFloatConstant Name=DistributionStrength
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Constant=0.0
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End Object
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Strength=(Distribution=DistributionStrength)
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}
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