Game Mechanics: Collision Issues: non-pvp PC arrows damaging other PC

[Ele]

Issue: The recent modification to the collision system have introduced an issue for non-pvp PCs. Arrows (and I assume other projectiles) launched by non-pvp PCs can be intercepted and cause damage (including being on the receiving end of the proc) on other non-PVP PCs.

Not sure how to resolve this one. Let them fly through non-pvp PCs? Let them collide, but deal no damage?

Tested in Kael on a kromiff recruiter. Other incidents of this issue occurred in PoG and during a Dain fight.

Positioning used to test.
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Test 1: Aggroed recruiter using Andmyspear (warrior). Backed up out of melee range. Using Granger (his log below) to shoot arrows at recruiter, all of the projectiles hit the intervening non-pvp PC causing significant damage. Was not in a duel. Never targeted Andmyspear using Granger, always maintained target on recruiter.

[Sat Mar 07 15:00:16 2015] A kromrif recruiter tries to hit Andmyspear, but misses!
[Sat Mar 07 15:00:19 2015] A kromrif recruiter tries to hit Andmyspear, but misses!
[Sat Mar 07 15:00:30 2015] Your bow shot did double dmg.
[Sat Mar 07 15:00:30 2015] You hit Andmyspear for 19 points of damage.
[Sat Mar 07 15:00:36 2015] Your bow shot did double dmg.
[Sat Mar 07 15:00:36 2015] You hit Andmyspear for 83 points of damage.
[Sat Mar 07 15:01:19 2015] Your bow shot did double dmg.
[Sat Mar 07 15:01:19 2015] You hit Andmyspear for 141 points of damage.
[Sat Mar 07 15:01:27 2015] You try to hit Andmyspear, but miss!
[Sat Mar 07 15:01:33 2015] Your bow shot did double dmg.
[Sat Mar 07 15:01:33 2015] You hit Andmyspear for 97 points of damage.
[Sat Mar 07 15:01:54 2015] Your bow shot did double dmg.
[Sat Mar 07 15:01:54 2015] You hit Andmyspear for 93 points of damage.
[Sat Mar 07 15:01:58 2015] You say, 'Hail, a kromrif recruiter'
[Sat Mar 07 15:01:59 2015] Your bow shot did double dmg.
[Sat Mar 07 15:01:59 2015] You hit Andmyspear for 73 points of damage.
[Sat Mar 07 15:02:00 2015] You say, 'Hail, a kromrif recruiter'
[Sat Mar 07 15:02:03 2015] Your bow shot did double dmg.
[Sat Mar 07 15:02:03 2015] You hit Andmyspear for 105 points of damage.
[Sat Mar 07 15:02:04 2015] You say, 'Hail, a kromrif recruiter'
[Sat Mar 07 15:02:08 2015] Your bow shot did double dmg.
[Sat Mar 07 15:02:08 2015] You hit Andmyspear for 43 points of damage.
[Sat Mar 07 15:02:08 2015] Andmyspear goes into a berserker frenzy!
[Sat Mar 07 15:02:10 2015] You say, 'Hail, a kromrif recruiter'
[Sat Mar 07 15:02:12 2015] Your bow shot did double dmg.
[Sat Mar 07 15:02:12 2015] You hit Andmyspear for 165 points of damage.

Cleared aggro on Andmyspear, came back and positioned Andmyspear in same position in front of Granger and still had the recruiter targeted on Granger. Same results. Proc from ranger sky bow even hit andmyspear instead of the targeted recruiter.

[Sat Mar 07 15:07:51 2015] You say, 'non-aggro test'
[Sat Mar 07 15:08:05 2015] You say, 'Hail, a kromrif recruiter'
[Sat Mar 07 15:08:07 2015] Your target resisted the Whirlwind spell. Andmyspear was the recipient of the whirlwind proc on the sky bow and resisted it.
[Sat Mar 07 15:08:08 2015] Your bow shot did double dmg.
[Sat Mar 07 15:08:08 2015] You hit Andmyspear for 47 points of damage.
[Sat Mar 07 15:08:15 2015] Your bow shot did double dmg.
[Sat Mar 07 15:08:15 2015] You hit Andmyspear for 107 points of damage.
[Sat Mar 07 15:08:19 2015] You try to hit Andmyspear, but miss!
[Sat Mar 07 15:08:20 2015] You say, 'Hail, a kromrif recruiter'