Fix infinite loop in mine gen (cataclysmbnteam#3379)

chaosvolt · Oct 6, 2023 · 2c31bfa · 2c31bfa
1 parent 42d0b2f
commit 2c31bfa
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/overmap.cpp b/src/overmap.cpp
@@ -3696,12 +3696,17 @@ void overmap::build_mine( const tripoint_om_omt &origin, int s )
     }
     tripoint_om_omt p = origin;
     // Don't overwrite existing mapgen
-    while( ter( p ) != empty_rock ) {
+    int attempts_left = 100;
+    while( ter( p ) != empty_rock && attempts_left > 0 ) {
         if( one_in( 2 ) ) {
             p.x() += rng( 0, 1 ) * 2 - 1;
         } else {
             p.y() += rng( 0, 1 ) * 2 - 1;
         }
+        attempts_left -= 1;
+    }
+    if( !inbounds( p ) ) {
+        return;
     }
     while( built < s ) {
         ter_set( p, mine );