From: Pasi Kallinen <paxed@alt.org>
Date: Sun, 8 Mar 2020 18:01:39 +0000 (+0200)
Subject: Fix flipping some monsters
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9ea2fb742251aeeb4934765bea324b295a46e1a2;p=nethack

Fix flipping some monsters

Don't flip the guard waiting to be disposed of.
Don't flip the occasional monster (usually an earth elemental)
outside the level bounds.
---

diff --git a/src/sp_lev.c b/src/sp_lev.c
index 01f71001b..c0f5259e1 100755
--- a/src/sp_lev.c
+++ b/src/sp_lev.c
@@ -527,6 +527,12 @@ boolean extras;
 
     /* monsters */
     for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
+        if (mtmp->isgd && mtmp->mx == 0)
+            continue;
+        /* skip the occasional earth elemental outside the flip area */
+        if (mtmp->mx < minx || mtmp->mx > maxx
+            || mtmp->my < miny || mtmp->my > maxy)
+            continue;
 	if (flp & 1) {
 	    mtmp->my = FlipY(mtmp->my);
 	    if (mtmp->ispriest)