Sync map data macros

include/constants/global.h

@@ -115,4 +115,13 @@
 #define DIR_NORTHWEST   7
 #define DIR_NORTHEAST   8
 
+#define CONNECTION_INVALID -1
+#define CONNECTION_NONE     0
+#define CONNECTION_SOUTH    1
+#define CONNECTION_NORTH    2
+#define CONNECTION_WEST     3
+#define CONNECTION_EAST     4
+#define CONNECTION_DIVE     5
+#define CONNECTION_EMERGE   6
+
 #endif //GUARD_CONSTANTS_GLOBAL_H