v3.3.0: fixed very rare hangs in wandmaker spawning logic

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/npcs/Wandmaker.java

@@ -302,9 +302,15 @@ public class Wandmaker extends NPC {
 				Wandmaker npc = new Wandmaker();
 				boolean validPos;
 				//Do not spawn wandmaker on the entrance, in front of a door, or on bad terrain.
+				int tries = 0;
+				int dist = 2;
 				do {
 					validPos = true;
-					npc.pos = level.pointToCell(room.random((room.width() > 6 && room.height() > 6) ? 2 : 1));
+					if (tries > 30 && dist > 0){
+						tries = 0;
+						dist--;
+					}
+					npc.pos = level.pointToCell(room.random(dist));
 					if (npc.pos == level.entrance() || level.solid[npc.pos]){
 						validPos = false;
 					}
@@ -318,6 +324,7 @@ public class Wandmaker extends NPC {
 							|| level.map[npc.pos] == Terrain.EMPTY_SP){
 						validPos = false;
 					}
+					tries++;
 				} while (!validPos);
 				level.mobs.add( npc );