369 lines
9.0 KiB
Ucode
369 lines
9.0 KiB
Ucode
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//=============================================================================
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// KFSM_DAR_EMPAttack
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//=============================================================================
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//
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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 KFSM_DAR_EMPAttack extends KFSM_RangedAttack;
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struct EMPBlastHitInfo
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{
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var Actor HitActor;
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var vector HitLocation;
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var TraceHitInfo HitInfo;
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};
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/** Template for the EMP */
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var const ParticleSystem EMPPSCTemplate;
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/** PSC generated from the EMP template. Gets recycled in and out of the emitter pool as needed. */
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var ParticleSystemComponent EMPPSC;
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/** Template for EMP hit location FX */
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var const ParticleSystem EMPHitPSCTemplate;
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/** PSC for the hit location. On when the EMP is hitting anything, off when missing everything */
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var ParticleSystemComponent EMPHitPSC;
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/** AK Event for start of EMP charge */
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var AkEvent EMPStartSFX;
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/** AK Event for end of special move */
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var AkEvent EMPEndSFX;
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/** Looping sound for EMP hit */
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var AkEvent EMPHitSFX;
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var AkEvent EMPHitStopSFX;
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/** Camera shake impact */
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var CameraShake EMPHitShake;
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/** Socket to attach origin of EMP */
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var const name EMPSocketName;
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/** Damagetype used for beam attack */
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var const class<KFDamageType> EMPDamageType;
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/** The maximum length the beam can be (used both for FX and damage) */
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var const float MaxEMPLength;
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/** The width, height, and depth of the beam, used for damage traces */
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var const vector EMPExtent;
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/** The total amount of damage an EMP blast will do. */
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var int EMPDamage;
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/** Cached list of all pawns hit by the EMP Blast. */
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var array<EMPBlastHitInfo> Victims;
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/** The amount of time after the beam is created before we apply damage. */
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var float ApplyDamageDelay;
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/** Draws a debug line between the beam's start and end points */
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var const bool bDrawDebugEMP;
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/** How long will a victim be grappled. */
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var float GrappleTime;
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function SpecialMoveStarted(bool bForced, name PrevMove)
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{
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super(KFSM_PlaySingleAnim).SpecialMoveStarted(bForced, PrevMove);
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KFPOwner.UpdateGameplayMICParams();
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KFPOwner.SetWeaponAmbientSound(EMPStartSFX);
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Victims.length = 0;
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}
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function SpecialMoveEnded(name PrevMove, name NextMove)
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{
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super.SpecialMoveEnded(PrevMove, NextMove);
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DisableEMP();
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if (KFPOwner != none && KFPOwner.IsAliveAndWell())
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{
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KFPOwner.UpdateGameplayMICParams();
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if( KFPOwner.IsWeaponAmbientSoundPlaying(EMPStartSFX) )
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{
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KFPOwner.SetWeaponAmbientSound(EMPEndSFX);
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}
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}
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KFPOwner.FlushPersistentDebugLines();
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}
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function ToggleEMP(bool bEnabled)
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{
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local ParticleSysParam SourceParam;
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local vector EMPEnd;
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local int bHitTarget;
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if (bEnabled)
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{
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DoEMPHit(EMPEnd, bHitTarget);
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if (KFPOwner.WorldInfo.NetMode != NM_DedicatedServer)
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{
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if (EMPPSCTemplate != none)
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{
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EMPPSC = KFPOwner.WorldInfo.MyEmitterPool.SpawnEmitterMeshAttachment(EMPPSCTemplate, KFPOwner.Mesh, EMPSocketName, true);
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if (EMPPSC != none)
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{
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SourceParam.Name = 'SourceActor';
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SourceParam.ParamType = PSPT_Actor;
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SourceParam.Actor = KFPOwner;
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EMPPSC.InstanceParameters.Length = 0;
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EMPPSC.InstanceParameters.AddItem(SourceParam);
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DoEMPEffects(EMPEnd, bool(bHitTarget));
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}
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}
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}
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}
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else
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{
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DisableEMP();
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KFPOwner.SetWeaponAmbientSound(EMPEndSFX);
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}
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}
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function DisableEMP()
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{
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ReleaseVictims();
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DeactivatePSC();
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DeactivateHitPSC();
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}
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function bool IsValidTarget(Actor HitActor)
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{
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return (Pawn(HitActor) != none || (StaticMeshActor(HitActor) != none && !StaticMeshActor(HitActor).bResetCapable) || SkeletalMeshActor(HitActor) != none) && WithinRange(HitActor);
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}
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function bool WithinRange(Actor HitActor)
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{
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return VSizeSq(HitActor.Location - KFPOwner.Location) <= Square(MaxEMPLength);
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}
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function DoEMPHit(out vector out_EMPEnd, out int out_bHitTarget)
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{
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local vector SocketLocation;
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local EMPBlastHitInfo BlastHitInfo;
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local rotator SocketRot;
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local array<EMPBlastHitInfo> HitList;
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local vector HitLoc, HitNrm;
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local Actor HitActor;
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KFPOwner.Mesh.GetSocketWorldLocationAndRotation(EMPSocketName, SocketLocation, SocketRot);
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out_bHitTarget = int(false);
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out_EMPEnd = SocketLocation + vector(SocketRot) * MaxEMPLength;
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// We set the InteractionPawn for this move specifically, by implementing GetInteractionPawn() in
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// AICommand_DAR_EMPAttack:Command_SpecialMove
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if (KFPOwner.InteractionPawn != none)
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{
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if (IsValidTarget(KFPOwner.InteractionPawn))
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{
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BlastHitInfo.HitActor = KFPOwner.InteractionPawn;
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BlastHitInfo.HitLocation = KFPOwner.InteractionPawn.Location;
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HitList.AddItem(BlastHitInfo);
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}
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}
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else
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{
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GetEnemyByTrace(HitList, SocketLocation, out_EMPEnd);
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}
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foreach HitList(BlastHitInfo)
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{
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if (IsValidTarget(BlastHitInfo.HitActor))
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{
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HitActor = KFPOwner.Trace(HitLoc, HitNrm, BlastHitInfo.HitLocation, SocketLocation);
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if (HitActor != BlastHitInfo.HitActor)
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{
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BlastHitInfo.HitLocation = HitLoc;
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}
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else
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{
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out_bHitTarget = int(true);
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Victims.AddItem(BlastHitInfo);
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}
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}
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}
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if (HitList.length == 1)
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{
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out_EMPEnd = HitList[0].HitLocation - vect(0, 0, 64);
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}
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if (KFPOwner.Role == ROLE_Authority)
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{
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if (Victims.length > 0)
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{
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if (ApplyDamageDelay > 0)
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{
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KFPOwner.SetTimer(ApplyDamageDelay, false, 'ApplyDamage', self);
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}
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else
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{
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ApplyDamage();
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}
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}
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}
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}
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function GetEnemyByTrace(out array<EMPBlastHitInfo> out_EMPBlastHitInfo, vector StartLocation, vector EndLocation)
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{
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local vector HitLocation, HitNormal;
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local Actor HitActor;
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local TraceHitInfo HitInfo;
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local EMPBlastHitInfo BlastHitInfo;
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out_EMPBlastHitInfo.length = 0;
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HitActor = KFPOwner.Trace(HitLocation, HitNormal, EndLocation, StartLocation, , EMPExtent, HitInfo, KFPOwner.TRACEFLAG_Bullet);
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if (HitActor != none)
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{
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if (IsValidTarget(HitActor))
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{
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BlastHitInfo.HitActor = HitActor;
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BlastHitInfo.HitLocation = HitLocation;
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BlastHitInfo.HitInfo = HitInfo;
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out_EMPBlastHitInfo.AddItem(BlastHitInfo);
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}
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}
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}
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function ApplyDamage()
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{
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local EMPBlastHitInfo BlastHitInfo;
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foreach Victims(BlastHitInfo)
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{
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if(BlastHitInfo.HitActor != none)
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{
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BlastHitInfo.HitActor.TakeDamage(EMPDamage, KFPOwner.Controller, BlastHitInfo.HitLocation, vector(KFPOwner.Rotation), EMPDamageType, BlastHitInfo.HitInfo, KFPOwner);
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if (KFPawn(BlastHitInfo.HitActor) != none)
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{
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KFPawn(BlastHitInfo.HitActor).DoSpecialMove(SM_DARGrappleVictim, true, PawnOwner);
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}
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}
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}
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if (Victims.length > 0)
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{
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KFPOwner.SetTimer(GrappleTime, false, 'ReleaseVictims', self);
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}
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}
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function ReleaseVictims()
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{
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local EMPBlastHitInfo BlastHitInfo;
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foreach Victims(BlastHitInfo)
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{
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if (BlastHitInfo.HitActor != none && KFPawn(BlastHitInfo.HitActor) != none)
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{
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KFPawn(BlastHitInfo.HitActor).EndSpecialMove(SM_DARGrappleVictim);
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}
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}
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Victims.length = 0;
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}
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function DoEMPEffects(vector EMPEnd, bool bHitTarget)
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{
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local vector SocketLoc;
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local rotator SocketRot;
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EMPPSC.SetBeamTargetPoint(0, EMPEnd, 0);
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KFPOwner.Mesh.GetSocketWorldLocationAndRotation(EMPSocketName, SocketLoc, SocketRot);
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if (bHitTarget)
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{
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if (EMPHitPSC == none && EMPHitPSCTemplate != none)
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{
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EMPHitPSC = KFPOwner.WorldInfo.MyEmitterPool.SpawnEmitter(EMPHitPSCTemplate, EMPEnd);
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}
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if (EMPHitPSC != none)
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{
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EMPHitPSC.SetAbsolute(true, true, false);
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EMPHitPSC.SetTranslation(EMPEnd);
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EMPHitPSC.SetRotation(Rotator(EMPEnd - SocketLoc));
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}
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}
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else
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{
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DeactivateHitPSC();
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}
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if (bDrawDebugEMP)
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{
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KFPOwner.FlushPersistentDebugLines();
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KFPOwner.DrawDebugLine(SocketLoc, EMPEnd, 100, 128, 255, true);
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}
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}
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function bool DeactivatePSC()
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{
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if (EMPPSC != none && EMPPSC.bIsActive)
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{
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EMPPSC.DeactivateSystem();
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EMPPSC = none;
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return true;
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}
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return false;
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}
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function bool DeactivateHitPSC()
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{
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if (EMPHitPSC != none && EMPHitPSC.bIsActive)
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{
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EMPHitPSC.DeactivateSystem();
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EMPHitPSC = none;
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return true;
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}
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return false;
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}
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defaultproperties
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{
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Handle=KFSM_DAR_EMPAttack
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// Animation
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AnimNames.Add(Atk_Shoot_EMP_V1)
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AnimStance=EAS_FullBody
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bDisableSteering=false
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bDisableMovement=true
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bDisableTurnInPlace=true
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bUseCustomRotationRate=true
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CustomRotationRate=(Pitch=50000, Yaw=25000, Roll=50000)
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EMPPSCTemplate=ParticleSystem'ZED_EvilDAR_EMIT.FX_EvilDar_Empblast_Beam'
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EMPHitPSCTemplate=ParticleSystem'ZED_EvilDAR_EMIT.FX_EvilDar_Empblast_Impact'
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EMPSocketName=EMP_Blast
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EMPStartSFX=AkEvent'WW_ZED_Evil_DAR.Play_ZED_EvilDAR_SFX_EMP_LP'
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EMPEndSFX=AkEvent'WW_ZED_Evil_DAR.Stop_ZED_EvilDAR_SFX_EMP_LP'
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EMPHitSFX=none
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EMPHitStopSFX=none
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EMPDamage=10;
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EMPDamageType=class'KFDT_DAR_EMPBlast'
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EMPExtent=(X=15.f, Y=15.f, Z=15.f)
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MaxEMPLength = 2500.f
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GrappleTime=2.5f //1.5
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FireOffsets(0)=(X=0.f,Y=0,Z=0)
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}
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