From 1e4bec25c530f197baa730046bb3e6a536bcaf4e Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <c.oelckers@zdoom.fake>
Date: Wed, 15 Jul 2015 10:15:12 +0200
Subject: [PATCH] - fixed the distance check for unblocking overlapping
 monsters. It tested for half the radius as distance threshold when it should
 have used the full radius

---
 src/p_map.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/p_map.cpp b/src/p_map.cpp
index d5745523c2..fca43c120f 100644
--- a/src/p_map.cpp
+++ b/src/p_map.cpp
@@ -1064,8 +1064,8 @@ bool PIT_CheckThing(AActor *thing, FCheckPosition &tm)
 		{
 			unblocking = true;
 		}
-		else if (abs(thing->x - tm.thing->x) < (thing->radius+tm.thing->radius)/2 &&
-				 abs(thing->y - tm.thing->y) < (thing->radius+tm.thing->radius)/2)
+		else if (abs(thing->x - tm.thing->x) < (thing->radius+tm.thing->radius) &&
+				 abs(thing->y - tm.thing->y) < (thing->radius+tm.thing->radius))
 
 		{
 			fixed_t newdist = P_AproxDistance(thing->x - tm.x, thing->y - tm.y);