Merge fix/lan-join-bots: a lobby the bots fill is open to a person on the LAN too

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

port/android/VR_ROADMAP.md

@@ -25,7 +25,7 @@ named where code is taken over.
 | Comfort | Snap or smooth turning, a comfort vignette in vehicles, VR options in the main and pause menus (Y), a page of every controller button |
 | Menus | The PC version's menus in VR (`vr.menus`), clicked with a laser; text typed on the on-screen keyboard |
 | Multiplayer | Up to date with OpenCE (network version 29, 2026-10-14): cross-play, its server browser, co-op campaign, password lobbies; join codes and the VR online list |
-| Bots | Bots in multiplayer: on foot (paths, items, objectives), in vehicles and at turrets; they make room for a joining person |
+| Bots | Bots in multiplayer: on foot (paths, items, objectives), in vehicles and at turrets; they make room for a joining person, on the LAN too (a lobby they fill is advertised open, 2026-10-18) |
 | Voice chat | Push to talk on any button (`vr.button_talk`, BUTTONS page; the free hand's grip by default, sending nothing while it reaches for the foregrip or the wheel), open mic, off (2026-10-13) |
 | Builds | The Android build's assembly conversion (`tools/android_asm_convert.py`) keeps string data as it is: strings and tables starting with "_" or holding \" lost a "_" (Opus's pulse cache among them: the Steam Frame's crashes in online games while talking), 2026-10-13 |
 | Languages | The European disc in Spanish and Italian (a maps folder for each, `maps_es` and `maps_it`, none called `maps`) imported on the Quest and the Steam Frame: the headset's language's, its language the game's and the menus' (`maps/language.txt`, unless `game.language` is set), 2026-10-17; not yet tried with that disc |

source/networking/network_server_manager.c

@@ -717,7 +717,7 @@ desktop none is ever marked, the writes live behind the Android guard) */
 static boolean network_game_server_bot_machines[MAXIMUM_NETWORK_MACHINE_COUNT];
 #ifdef HALO_ANDROID
 static short network_game_server_bot_machine_count(struct network_game_server *server);
-static boolean network_game_server_room_for_person(struct network_game_server *server);
+boolean network_game_server_room_for_person(struct network_game_server *server);
 static void network_game_server_bot_makes_room(struct network_game_server *server);
 #endif
 
@@ -4951,7 +4951,9 @@ static short network_game_server_bot_count(
 
 /* whether a person can join: a free place, or in the lobby a bot's, which
 leaves for them (network_game_server_bot_makes_room) */
-static boolean network_game_server_room_for_person(
+/* (as the server browser lists the game, its LAN advertisement and the
+join's check: network_server_message_handler.c) */
+boolean network_game_server_room_for_person(
 	struct network_game_server *server)
 {
 	struct network_player *last;

source/networking/network_server_message_handler.c

@@ -245,6 +245,7 @@ symbols in this file:
 */
 
 
+
 /* ---------- headers */
 
 #include "cseries.h"
@@ -275,6 +276,13 @@ boolean map_share_handles_message(word const *message, word size);
 void map_share_handle_message(long machine_index, word const *message, word size, boolean from_stream);
 void network_distributed_handle_stream_message(long machine_index, word const *message, word size);
 
+
+#ifdef HALO_ANDROID
+/* a slot for a person, a bot's in a lobby counting (it makes room as they
+join: network_server_manager.c) */
+boolean network_game_server_room_for_person(struct network_game_server *server);
+#endif
+
 /* ---------- constants */
 
 enum
@@ -1769,7 +1777,12 @@ static boolean network_game_server_handle_message_client_broadcast_game_search(
 			once it is over, nor in progress when no player can join it) */
 			if (network_game_server_get_state(server, NULL) == _network_game_server_state_ingame
 				? network_game_server_accepts_late_joins(server)
+#ifdef HALO_ANDROID
+				/* (a lobby the bots fill is open: one makes room) */
+				: network_game_server_game_is_open(server) && network_game_server_room_for_person(server))
+#else
 				: network_game_server_game_is_open(server) && network_game_has_free_player_slot(game))
+#endif
 			{
 				advertisement.flags |= FLAG(_game_advertisement_open_bit);
 			}
@@ -1923,7 +1936,12 @@ static boolean network_game_server_handle_message_client_join_game_request(
 			fill it) is full: a machine that joined could add none, and held
 			the countdown for ever */
 			boolean full = network_game_server_get_state(server, NULL) == _network_game_server_state_pregame &&
+#ifdef HALO_ANDROID
+				/* (a bot's slot is a person's: it makes room) */
+				!network_game_server_room_for_person(server);
+#else
 				!network_game_has_free_player_slot(network_game_server_get_game(server));
+#endif
 
 			/* port: its hardware id, as it tells it: hex only (anything else
 			left out), no more than its field; the host logs it, and refuses