Merge pull request #1755 from GriffinRichards/map-dynamic

Rename special map constants, treat warp ids as strings

tools/mapjson/mapjson.cpp

@@ -191,7 +191,7 @@ string generate_map_events_text(Json map_data) {
                  << warp_event["x"].int_value() << ", "
                  << warp_event["y"].int_value() << ", "
                  << warp_event["elevation"].int_value() << ", "
-                 << warp_event["dest_warp_id"].int_value() << ", "
+                 << warp_event["dest_warp_id"].string_value() << ", "
                  << warp_event["dest_map"].string_value() << "\n";
         }
         text << "\n";