From 44a3e9400319849c083ad6a0c24d9460b24937c9 Mon Sep 17 00:00:00 2001
From: Randy Heit <rheit@zdoom.fake>
Date: Sun, 8 May 2011 16:58:53 +0000
Subject: [PATCH] - Fixed: P_CheckPosition() should checks all lines contacted
 by the actor. Stopping once it finds   one blocking line will prevent any
 further lines with specials from activating their specials.

SVN r3198 (trunk)
---
 src/p_map.cpp | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/p_map.cpp b/src/p_map.cpp
index cab74417bc..6788ccfb22 100644
--- a/src/p_map.cpp
+++ b/src/p_map.cpp
@@ -1401,15 +1401,20 @@ bool P_CheckPosition (AActor *thing, fixed_t x, fixed_t y, FCheckPosition &tm)
 	//bool onthing = (thingdropoffz != tmdropoffz);
 	tm.floorz = tm.dropoffz;
 
+	bool good = true;
+
 	while ((ld = it.Next()))
 	{
-		if (!PIT_CheckLine(ld, box, tm))
-			return false;
+		good &= PIT_CheckLine(ld, box, tm);
 	}
-
-	if (tm.ceilingz - tm.floorz < thing->height)
+	if (!good)
+	{
 		return false;
-
+	}
+	if (tm.ceilingz - tm.floorz < thing->height)
+	{
+		return false;
+	}
 	if (tm.touchmidtex)
 	{
 		tm.dropoffz = tm.floorz;