tweak

operations.cpp

@@ -4185,22 +4185,14 @@ int32 field::move_to_field(uint16 step, card* target, uint32 enable, uint32 ret,
 			}
 			if(ct <= 0)
 				return TRUE;
-			bool zone_selected = false;
-			uint32 seq = 0;
-			for(uint32 i = 0; i < 8; i++) {
-				if(((1 << i) & zone) > 0) {
-					if(zone_selected) {
-						zone_selected = false;
-						break;
-					}
-					zone_selected = true;
-					seq = i;
-				}
-			}
-			if(zone_selected) {
+			if((zone & zone - 1) == 0) {
+				for(uint8 seq = 0; seq < 8; seq++) {
+					if((1 << seq) & zone) {
 						returns.bvalue[2] = seq;
 						return FALSE;
 					}
+				}
+			}
 			if(move_player == playerid) {
 				if(location == LOCATION_SZONE)
 					flag = ((flag & 0xff) << 8) | 0xffff00ff;