71 lines
1.9 KiB
Ucode
71 lines
1.9 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 Trigger_LOS extends Trigger;
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var array<PlayerController> PCsWithLOS;
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/**
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* Overridden to check for any players looking at this
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* trigger.
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*/
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simulated event Tick(float DeltaTime)
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{
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local array<SequenceEvent> losEvents;
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local SeqEvent_LOS evt;
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local PlayerController Player;
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local int idx;
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local vector cameraLoc;
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local rotator cameraRot;
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local float cameraDist;
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local array<int> ActivateIndices;
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// if any valid los events are attached,
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if (FindEventsOfClass(class'SeqEvent_LOS',losEvents))
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{
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// look through each player
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foreach WorldInfo.AllControllers(class'PlayerController', Player)
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{
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if (Player.Pawn != None)
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{
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player.GetPlayerViewPoint(cameraLoc, cameraRot);
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cameraDist = PointDistToLine(Location,vector(cameraRot),cameraLoc);
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// iterate through each event and see if this meets the activation requirements
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for (idx = 0; idx < losEvents.Length; idx++)
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{
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evt = SeqEvent_LOS(losEvents[idx]);
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if ( cameraDist <= evt.ScreenCenterDistance &&
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VSize(player.Pawn.Location-Location) <= evt.TriggerDistance &&
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Normal(Location - cameraLoc) dot vector(cameraRot) > 0.f &&
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(!evt.bCheckForObstructions || Player.LineOfSightTo(self, cameraLoc)) )
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{
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// attempt to activate the event
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ActivateIndices[0] = 0;
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if ( PCsWithLOS.Find(Player) == INDEX_NONE &&
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losEvents[idx].CheckActivate(self, Player.Pawn, false, ActivateIndices) )
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{
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PCsWithLOS.AddItem(Player);
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}
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}
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else if (PCsWithLOS.Find(Player) != INDEX_NONE)
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{
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ActivateIndices[0] = 1;
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if (losEvents[idx].CheckActivate(self, Player.Pawn, false, ActivateIndices))
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{
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PCsWithLOS.RemoveItem(Player);
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}
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}
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}
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}
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}
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}
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}
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defaultproperties
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{
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bStatic=false
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SupportedEvents.Empty
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SupportedEvents.Add(class'SeqEvent_LOS')
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}
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