87 lines
2.8 KiB
Ucode
87 lines
2.8 KiB
Ucode
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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 ParticleModuleSpawn extends ParticleModuleSpawnBase
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native(Particle)
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editinlinenew
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hidecategories(Object)
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hidecategories(ParticleModuleSpawnBase);
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/** The rate at which to spawn particles. */
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var(Spawn) rawdistributionfloat Rate;
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/** The scalar to apply to the rate. */
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var(Spawn) rawdistributionfloat RateScale;
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/** The method to utilize when burst-emitting particles. */
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var(Burst) EParticleBurstMethod ParticleBurstMethod;
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/** The array of burst entries. */
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var(Burst) export noclear array<ParticleBurst> BurstList;
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cpptext
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{
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virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent);
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/**
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* Retrieve the spawn amount this module is contributing.
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* Note that if multiple Spawn-specific modules are present, if any one
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* of them ignores the SpawnRate processing it will be ignored.
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*
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* @param Owner The particle emitter instance that is spawning.
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* @param Offset The offset into the particle payload for the module.
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* @param OldLeftover The bit of timeslice left over from the previous frame.
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* @param DeltaTime The time that has expired since the last frame.
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* @param Number The number of particles to spawn. (OUTPUT)
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* @param Rate The spawn rate of the module. (OUTPUT)
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*
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* @return UBOOL FALSE if the SpawnRate should be ignored.
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* TRUE if the SpawnRate should still be processed.
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*/
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virtual UBOOL GetSpawnAmount(FParticleEmitterInstance* Owner, INT Offset, FLOAT OldLeftover,
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FLOAT DeltaTime, INT& Number, FLOAT& Rate);
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virtual UBOOL GenerateLODModuleValues(UParticleModule* SourceModule, FLOAT Percentage, UParticleLODLevel* LODLevel);
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/**
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* Retrieve the maximum spawn rate for this module...
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* Used in estimating the number of particles that could be used.
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*
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* @return FLOAT The maximum spawn rate
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*/
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virtual FLOAT GetMaximumSpawnRate();
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/**
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* Retrieve the estimated spawn rate for this module...
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* Used in estimating the number of particles that could be used.
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*
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* @return FLOAT The maximum spawn rate
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*/
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virtual FLOAT GetEstimatedSpawnRate();
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/**
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* Retrieve the maximum number of particles this module could burst.
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* Used in estimating the number of particles that could be used.
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*
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* @return INT The maximum burst count
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*/
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virtual INT GetMaximumBurstCount();
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}
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defaultproperties
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{
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bProcessSpawnRate=true
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Begin Object Class=DistributionFloatConstant Name=RequiredDistributionSpawnRate
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Constant=20.0
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End Object
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Rate=(Distribution=RequiredDistributionSpawnRate)
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Begin Object Class=DistributionFloatConstant Name=RequiredDistributionSpawnRateScale
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Constant=1.0
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End Object
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RateScale=(Distribution=RequiredDistributionSpawnRateScale)
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LODDuplicate=false
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}
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