111 lines
2.9 KiB
Ucode
111 lines
2.9 KiB
Ucode
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//=============================================================================
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// KFBloodRainVolume
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//=============================================================================
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// Volume that is used to simulate drops of blood rain hitting the ground
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// (via the blood splatter map system)
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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 KFBloodRainVolume extends Volume
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placeable;
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// How many seconds should pass between blood splats
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var() float Frequency<ClampMin=0.05>;
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// How many blood splats to apply per frequency interval (limited by config: [KFGame.KFGoreManager] MaxPersistentSplatsPerFrame)
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var() int SplatsPerInterval<ClampMin=1>;
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// How much to scale the default blood splat size
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var() float Scale<ClampMin=0.01>;
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// How far below the volume to check for surfaces to splatter
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var() float TraceLength<ClampMin=100>;
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var transient box AABB;
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var transient KFGoreManager GoreMan;
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simulated event PostBeginPlay()
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{
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// cache bounding box and goremanager
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if (BrushComponent != none)
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{
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AABB.Min = BrushComponent.Bounds.Origin - BrushComponent.Bounds.BoxExtent;
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AABB.Max = BrushComponent.Bounds.Origin + BrushComponent.Bounds.BoxExtent;
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GoreMan = KFGoreManager(WorldInfo.MyGoreEffectManager);
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}
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}
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simulated function AddSplatter()
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{
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local vector V, D;
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local int SplatCount;
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D = AABB.Max - AABB.Min;
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V.Z = AABB.Min.Z + (D.Z / 2.0); // mid-z is safe
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while (SplatCount < SplatsPerInterval)
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{
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V.X = AABB.Min.X + D.X * FRand();
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V.Y = AABB.Min.Y + D.Y * FRand();
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while (!EncompassesPoint(V))
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{
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V.X = AABB.Min.X + D.X * FRand();
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V.Y = AABB.Min.Y + D.Y * FRand();
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}
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GoreMan.LeaveAPersistentBloodSplat(V, vect(0,0,-1), Scale,,, TraceLength);
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SplatCount++;
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}
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}
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simulated function SetActive(bool bActive)
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{
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if (GoreMan == none)
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{
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`warn("Cannot set "$self$" active - incomplete initialization");
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return;
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}
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if (bActive)
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{
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// allow volumes activated on the same frame to spread out their cadences
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`TimerHelper.SetTimer(FRand() * 2.f, false, nameof(Timer_SetActive), self);
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}
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else
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{
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`TimerHelper.ClearTimer(nameof(AddSplatter), self);
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}
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}
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protected simulated function Timer_SetActive()
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{
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`TimerHelper.SetTimer(Frequency, true, nameof(AddSplatter), self);
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}
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defaultproperties
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{
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Frequency=1.0
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SplatsPerInterval=1
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Scale=1.0
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TraceLength=10000.0
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Begin Object Name=BrushComponent0
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CollideActors=false
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bAcceptsLights=false
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BlockActors=false
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BlockZeroExtent=false
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BlockNonZeroExtent=false
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BlockRigidBody=false
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AlwaysLoadOnClient=true
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AlwaysLoadOnServer=false
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bDisableAllRigidBody=true
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End Object
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bCollideActors=false
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bMovable=false
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bReplicateMovement=false
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bPushedByEncroachers=false
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bCanStepUpOn=false
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CollisionType=COLLIDE_NoCollision
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}
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