121 lines
3.2 KiB
Ucode
121 lines
3.2 KiB
Ucode
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/**
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* Base class for Camera Lens Effects. Needed so we can have AnimNotifies be able to show camera effects
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* in a nice drop down
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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 EmitterCameraLensEffectBase extends Emitter
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abstract
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dependson(Emitter)
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native(Particle);
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/** Particle System to use */
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var protected ParticleSystem PS_CameraEffect;
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/** The effect to use for non extreme content */
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var protected ParticleSystem PS_CameraEffectNonExtremeContent;
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/** In order to get the particle effect looking correct we need to have a base FOV which we just to move the particle closer/further from the camera **/
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var float BaseFOV;
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/**
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* How far in front of the camera this emitter should live, assuming an FOV of 80 degrees.
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* Note that the actual distance will be automatically adjusted to account for the actual FOV.
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*/
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var() protected const float DistFromCamera;
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/** TRUE if multiple instances of this emitter can exist simultaneously, FALSE otherwise. */
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var() protectedwrite const bool bAllowMultipleInstances;
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/**
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* If an emitter class in this array is currently playing, do not play this effect.
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* Useful for preventing multiple similar or expensive camera effects from playing simultaneously.
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*/
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var array<class<EmitterCameraLensEffectBase> > EmittersToTreatAsSame;
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/** Camera this emitter is attached to, will be notified when emitter is destroyed */
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var protected transient Camera BaseCamera;
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function Destroyed()
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{
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if (BaseCamera != None)
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{
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BaseCamera.RemoveCameraLensEffect(self);
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}
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super.Destroyed();
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}
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/** Tell the emitter what camera it is attached to. */
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function RegisterCamera(Camera C)
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{
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BaseCamera = C;
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}
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/** Called when this emitter is re-triggered, for bAllowMultipleInstances=FALSE emitters. */
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function NotifyRetriggered();
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simulated function PostBeginPlay()
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{
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ParticleSystemComponent.SetDepthPriorityGroup(SDPG_Foreground);
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Super.PostBeginPlay();
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ActivateLensEffect();
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}
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/** This will actually activate the lens Effect. We want this separated from PostBeginPlay so we can cache these emitters **/
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simulated function ActivateLensEffect()
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{
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local ParticleSystem PSToActuallySpawn;
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// only play the camera effect on clients
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if( WorldInfo.NetMode != NM_DedicatedServer )
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{
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if( WorldInfo.GRI.ShouldShowGore() )
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{
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PSToActuallySpawn = PS_CameraEffect;
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}
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else
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{
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PSToActuallySpawn = PS_CameraEffectNonExtremeContent;
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}
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if( PSToActuallySpawn != None )
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{
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SetTemplate( PS_CameraEffect, bDestroyOnSystemFinish );
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}
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}
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}
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/** Given updated camera information, adjust this effect to display appropriately. */
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simulated native function UpdateLocation(const out vector CamLoc, const out rotator CamRot, float CamFOVDeg);
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DefaultProperties
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{
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DistFromCamera=90
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LifeSpan=10.0f
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BaseFOV=80.0f
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// makes sure I tick after the camera
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TickGroup=TG_PostAsyncWork
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bDestroyOnSystemFinish=TRUE
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bNetInitialRotation=TRUE
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bNoDelete=FALSE
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Begin Object Name=ParticleSystemComponent0
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bOnlyOwnerSee=TRUE
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SecondsBeforeInactive=0.0
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End Object
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Components.Remove(ArrowComponent0)
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Components.Remove(Sprite)
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}
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