fix next item ID set incorrectly when joining a persistent game

src/Lobby.cc

@@ -480,11 +480,7 @@ void Lobby::add_client(shared_ptr<Client> c, ssize_t required_client_id) {
         this->next_game_item_id = m.reassign_all_item_ids(this->next_game_item_id);
       }
     }
-    // On DC NTE and 11/2000, the game assigns item IDs immediately when a
-    // player joins a game, then assigns them again after the 6x6D equivalent is
-    // received. For this reason, we consume item IDs here only if the client is
-    // NTE or 11/2000.
-    this->assign_inventory_and_bank_item_ids(c, is_pre_v1(c->version()));
+    this->assign_inventory_and_bank_item_ids(c);
     // On BB, we send artificial flag state to fix an Episode 2 bug where the
     // CCA door lock state is overwritten by quests.
     if (c->version() == Version::BB_V4) {
@@ -711,16 +707,12 @@ void Lobby::on_item_id_generated_externally(uint32_t item_id) {
   }
 }
 
-void Lobby::assign_inventory_and_bank_item_ids(shared_ptr<Client> c, bool consume_ids) {
+void Lobby::assign_inventory_and_bank_item_ids(shared_ptr<Client> c) {
   auto p = c->character();
-  uint32_t start_item_id = this->next_item_id_for_client[c->lobby_client_id];
   for (size_t z = 0; z < p->inventory.num_items; z++) {
     p->inventory.items[z].data.id = this->generate_item_id(c->lobby_client_id);
   }
-  if (!consume_ids) {
-    this->next_item_id_for_client[c->lobby_client_id] = start_item_id;
-  }
-  if (c->log.info("Assigned inventory item IDs%s", consume_ids ? "" : " but did not mark IDs as used")) {
+  if (c->log.info("Assigned inventory item IDs")) {
     p->print_inventory(stderr, c->version(), c->require_server_state()->item_name_index);
     if (p->bank.num_items) {
       p->bank.assign_ids(0x99000000 + (c->lobby_client_id << 20));

src/Lobby.hh

@@ -233,7 +233,7 @@ struct Lobby : public std::enable_shared_from_this<Lobby> {
 
   uint32_t generate_item_id(uint8_t client_id);
   void on_item_id_generated_externally(uint32_t item_id);
-  void assign_inventory_and_bank_item_ids(std::shared_ptr<Client> c, bool consume_ids);
+  void assign_inventory_and_bank_item_ids(std::shared_ptr<Client> c);
 
   QuestIndex::IncludeCondition quest_include_condition() const;
 

src/ReceiveCommands.cc

@@ -1957,7 +1957,7 @@ static void on_quest_loaded(shared_ptr<Lobby> l) {
         lc->use_default_bank();
         lc->create_challenge_overlay(lc->version(), l->quest->challenge_template_index, s->level_table);
         lc->log.info("Created challenge overlay");
-        l->assign_inventory_and_bank_item_ids(lc, true);
+        l->assign_inventory_and_bank_item_ids(lc);
       }
     }
   }
@@ -3536,7 +3536,7 @@ static void on_DF_BB(shared_ptr<Client> c, uint16_t command, uint32_t, string& d
           lc->use_default_bank();
           lc->create_challenge_overlay(lc->version(), l->quest->challenge_template_index, s->level_table);
           lc->log.info("Created challenge overlay");
-          l->assign_inventory_and_bank_item_ids(lc, true);
+          l->assign_inventory_and_bank_item_ids(lc);
         }
       }
 
@@ -4270,10 +4270,6 @@ static void on_6F(shared_ptr<Client> c, uint16_t command, uint32_t, string& data
   }
   c->config.clear_flag(Client::Flag::LOADING);
 
-  if (command == 0x006F) {
-    l->assign_inventory_and_bank_item_ids(c, true);
-  }
-
   send_server_time(c);
   if (l->base_version == Version::BB_V4) {
     send_set_exp_multiplier(l);

src/ReceiveSubcommands.cc

@@ -904,12 +904,13 @@ static void on_set_player_visible(shared_ptr<Client> c, uint8_t command, uint8_t
 static void on_change_floor_6x1F(shared_ptr<Client> c, uint8_t command, uint8_t flag, void* data, size_t size) {
   if (is_pre_v1(c->version())) {
     check_size_t<G_SetPlayerFloor_DCNTE_6x1F>(data, size);
-    // DC NTE and 11/2000 don't send 6F when they're done loading, so we do the
-    // relevant things 6F would do here instead.
+    // DC NTE and 11/2000 don't send 6F when they're done loading, so we clear
+    // the loading flag here instead. On these versions, it also seems to be
+    // necessary to assign item IDs again here.
     if (c->config.check_flag(Client::Flag::LOADING)) {
       c->config.clear_flag(Client::Flag::LOADING);
       auto l = c->require_lobby();
-      l->assign_inventory_and_bank_item_ids(c, true);
+      l->assign_inventory_and_bank_item_ids(c);
     }
 
   } else {