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fix: NPCs disappearing when targets enter different map instances #2798

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fix: NPCs disappearing when targets enter different map instances #2798

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18 changes: 18 additions & 0 deletions Intersect.Server.Core/Entities/Npc.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -837,6 +837,24 @@ public override void Update(long timeMs)
var targetY = 0;
var targetZ = 0;

// If target is on a different instance, clear it immediately
if (tempTarget != null && tempTarget.MapInstanceId != MapInstanceId)
{
RemoveTarget();
tempTarget = null;

// Also clear aggro center since target is unreachable
if (AggroCenterMap != null)
{
AggroCenterMap = null;
AggroCenterX = 0;
AggroCenterY = 0;
AggroCenterZ = 0;
mPathFinder?.SetTarget(null);
mResetting = false;
}
}

if (tempTarget != null && (tempTarget.IsDead || !InRangeOf(tempTarget, Options.Instance.Map.MapWidth * 2) || !CanTarget(tempTarget)))
{
_ = TryFindNewTarget(Timing.Global.Milliseconds, tempTarget.Id, !CanTarget(tempTarget));
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