centralize command formats; fix a few range bugs

src/Client.hh

@@ -61,20 +61,21 @@ struct Client {
   uint32_t proxy_destination_address;
   uint16_t proxy_destination_port;
 
-  // timing & menus
+  // Timing & menus
   uint64_t play_time_begin; // time of connection (used for incrementing play time on BB)
   uint64_t last_recv_time; // time of last data received
   uint64_t last_send_time; // time of last data sent
 
-  // lobby/positioning
+  // Lobby/positioning
   uint32_t area; // which area is the client in?
   uint32_t lobby_id; // which lobby is this person in?
   uint8_t lobby_client_id; // which client number is this person?
   uint8_t lobby_arrow_color; // lobby arrow color ID
   Player player;
 
-  // miscellaneous (used by chat commands)
+  // Miscellaneous (used by chat commands)
   uint32_t next_exp_value; // next EXP value to give
+  int16_t override_section_id; // valid if >= 0
   bool infinite_hp; // cheats enabled
   bool infinite_tp; // cheats enabled
   bool can_chat;