102 lines
2.7 KiB
Ucode
102 lines
2.7 KiB
Ucode
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//=============================================================================
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// KFDominantDirectionalLightning
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//=============================================================================
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// A dominant directional light that represents lightning,
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// whose animation can be triggered
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//=============================================================================
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// Killing Floor 2
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// Copyright (C) 2018 Tripwire Interactive LLC
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//=============================================================================
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class KFDominantDirectionalLightning extends DominantDirectionalLight
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ClassGroup(Lights,DirectionalLights)
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placeable;
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var repnotify int TriggerCount;
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replication
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{
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if (bNetDirty)
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TriggerCount;
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}
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event PostBeginPlay()
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{
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super.PostBeginPlay();
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if (AnimationType != LightAnim_ChaoticFlicker)
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{
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`warn(self$": forcing AnimationType to LightAnim_ChaoticFlicker!");
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}
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if (LightComponent != none)
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{
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LightComponent.AnimationType = LightAnim_None;
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LightComponent.SetLightProperties(LightComponent.MinBrightness);
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}
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}
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simulated event ReplicatedEvent(name VarName)
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{
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if (VarName == nameof(TriggerCount))
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{
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TriggerAnimation();
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}
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else
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{
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super.ReplicatedEvent(VarName);
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}
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}
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simulated function TriggerAnimation()
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{
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local float StartPct, StopPct, StartTime, StopTime, Duration, Pct, Time, DeltaTime;
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if (WorldInfo.NetMode == NM_DedicatedServer)
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{
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// replicate event
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TriggerCount++;
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}
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else
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{
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// This math is mostly pulled from LightComponent::TickLightAnimation. The idea is to set
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// LightComponent.AnimationTimeOffset such that the actual animation part of the animation
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// plays right away.
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LightComponent.AnimationType = LightAnim_ChaoticFlicker;
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Duration = 1.f/FClamp(LightComponent.AnimationFrequency, 0.01f, 20.f);
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Time = WorldInfo.TimeSeconds % Duration;
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Pct = Time / Duration;
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DeltaTime = WorldInfo.DeltaSeconds;
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StartPct = WorldInfo.ChaoticFlickerCurve.Points[1].InVal - DeltaTime * 2.f;
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StopPct = WorldInfo.ChaoticFlickerCurve.Points[WorldInfo.ChaoticFlickerCurve.Points.Length - 1].InVal + DeltaTime * 2.f;
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LightComponent.AnimationTimeOffset = (StartPct - Pct) * Duration;
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StartTime = StartPct * Duration;
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StopTime = StopPct * Duration;
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Duration = StopTime - StartTime;
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`TimerHelper.SetTimer(Duration, false, nameof(Timer_CleanupAnimation), self);
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}
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}
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function Timer_CleanupAnimation()
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{
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CleanupAnimation();
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}
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simulated function CleanupAnimation()
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{
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LightComponent.AnimationType = LightAnim_None;
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LightComponent.SetLightProperties(LightComponent.MinBrightness);
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}
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defaultproperties
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{
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RemoteRole=ROLE_SimulatedProxy
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bAlwaysRelevant=true
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AnimationType=LightAnim_ChaoticFlicker
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}
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