105 lines
3.5 KiB
Ucode
105 lines
3.5 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 ParticleModuleSpawnBase extends ParticleModule
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native(Particle)
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editinlinenew
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hidecategories(Object)
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abstract;
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/**
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* If TRUE, the SpawnRate of the SpawnModule of the emitter will be processed.
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* If mutliple Spawn modules are 'stacked' in an emitter, if ANY of them
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* have this set to FALSE, it will not process the SpawnModule SpawnRate.
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*/
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var(Spawn) bool bProcessSpawnRate;
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/**
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* If TRUE, the BurstList of the SpawnModule of the emitter will be processed.
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* If mutliple Spawn modules are 'stacked' in an emitter, if ANY of them
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* have this set to FALSE, it will not process the SpawnModule BurstList.
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*/
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var(Burst) bool bProcessBurstList;
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cpptext
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{
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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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{
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return bProcessSpawnRate;
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}
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/**
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* Retrieve the burst count 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 default BurstList, 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 burst. (OUTPUT)
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*
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* @return UBOOL FALSE if the default BurstList should be ignored.
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* TRUE if the default BurstList should still be processed.
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*/
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virtual UBOOL GetBurstCount(FParticleEmitterInstance* Owner, INT Offset, FLOAT OldLeftover,
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FLOAT DeltaTime, INT& Number)
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{
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Number = 0;
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return bProcessBurstList;
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}
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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() { return 0.0f; }
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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() { return 0.0f; }
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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() { return 0; }
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/**
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* Retrieve the ModuleType of this module.
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*
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* @return EModuleType The type of module this is.
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*/
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virtual EModuleType GetModuleType() const { return EPMT_Spawn; }
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}
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defaultproperties
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{
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bProcessSpawnRate=true
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bProcessBurstList=true
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}
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