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Chain Lightning and meteor swarm have inconistent line of site checks

ForeverFunForeverFun Posts: 950
in Bugs
Chain Lightning, Meteor Swarm, and possibly other area effect spells have line of site checks that are more strict/not consistent with direct spells and ranged (archery, throwing) attacks.

You'll often get "Target cannot be seen" while targeting monsters at the edges of the water in the tokuno snow/ice area, whereas using a direct spell there is no problem, nor is there a problem with arrows hitting those (often static) targets.

It's possible the area effect spells are calculating line of site on all nearby mobs.  That shouldn't cause a failure, at worst, the mobs with no LOS should simply not be hit. 

Expected result:  the area effect spells should not outright fail.   Feel free to remove the nearby mob line of site checks, to save some server CPU cycles, if this is the case.

Broadsword, feel free to PM me or reply here if you need more repro details.

Comments

  • ForeverFunForeverFun Posts: 950
    edited April 13

    This readilly reproduces at the "Rend" monster in "dungeon labyrinth".
    1. Take a pet into labyrinth, to distract rend.
    2. Walk up the stairs to where Rend usually spawns.  (problem may not reproduce easilly down below).
    3. Stand a few tiles away from Rend, while the pet is attacking Rend.
    4. Cast chain lightning or meteor swarm at Rend.  You get "target cannot be seen".  Other spells like energy bolt work fine.
    This repro also may implicate the strange behavior of stone pavers and their blocking of line of site in many situations (like in the deceit bottom crypt area).
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