fix some $bbchar bugs

src/ReceiveCommands.cc

@@ -2885,6 +2885,11 @@ static void on_61_98(shared_ptr<Client> c, uint16_t command, uint32_t flag, stri
       c->game_data.bb_username = c->pending_bb_save_username;
       c->game_data.bb_character_index = c->pending_bb_save_character_index;
 
+      // Update a few fields for BB
+      const auto& p = c->game_data.character();
+      uint8_t prev_version = p->disp.visual.version;
+      p->disp.visual.version = 4;
+
       bool failure = false;
       try {
         c->game_data.save_character_file();
@@ -2893,6 +2898,8 @@ static void on_61_98(shared_ptr<Client> c, uint16_t command, uint32_t flag, stri
         failure = true;
       }
 
+      p->disp.visual.version = prev_version;
+
       if (!failure) {
         send_text_message_printf(c,
             "$C6BB player data saved\nas player %hhu for user\n%s",

src/SaveFileFormats.cc

@@ -197,8 +197,13 @@ uint32_t PSOBBGuildCardFile::checksum() const {
   return crc32(this, sizeof(*this));
 }
 
-PSOBBSystemFile::PSOBBSystemFile(uint32_t guild_card_number)
-    : PSOBBSystemFile() {
+PSOBBSystemFile::PSOBBSystemFile()
+    : guild_card_number(0),
+      team_id(0),
+      team_info(0),
+      team_privilege_level(0),
+      reserved(0),
+      team_rewards(0) {
   // This field is based on 1/1/2000, not 1/1/1970, so adjust appropriately
   this->base.creation_timestamp = (now() - 946684800000000ULL) / 1000000;
   for (size_t z = 0; z < PSOBBSystemFile::DEFAULT_KEY_CONFIG.size(); z++) {
@@ -207,7 +212,6 @@ PSOBBSystemFile::PSOBBSystemFile(uint32_t guild_card_number)
   for (size_t z = 0; z < PSOBBSystemFile::DEFAULT_JOYSTICK_CONFIG.size(); z++) {
     this->joystick_config[z] = PSOBBSystemFile::DEFAULT_JOYSTICK_CONFIG[z];
   }
-  this->guild_card_number = guild_card_number;
 }
 
 shared_ptr<PSOBBCharacterFile> PSOBBCharacterFile::create_from_preview(

src/SaveFileFormats.hh

@@ -149,8 +149,7 @@ struct PSOBBSystemFile {
   static const std::array<uint8_t, 0x016C> DEFAULT_KEY_CONFIG;
   static const std::array<uint8_t, 0x0038> DEFAULT_JOYSTICK_CONFIG;
 
-  PSOBBSystemFile() = default;
-  explicit PSOBBSystemFile(uint32_t guild_card_number);
+  PSOBBSystemFile();
 } __attribute__((packed));
 
 struct PSOBBCharacterFile {
@@ -174,7 +173,7 @@ struct PSOBBCharacterFile {
   /* 034C */ PlayerDispDataBB disp;
   /* 04DC */ le_uint32_t flags = 0;
   /* 04E0 */ le_uint32_t creation_timestamp = 0;
-  /* 04E4 */ le_uint32_t signature = 0xA205B064;
+  /* 04E4 */ le_uint32_t signature = 0xC87ED5B1;
   /* 04E8 */ le_uint32_t play_time_seconds = 0;
   /* 04EC */ le_uint32_t option_flags = 0;
   /* 04F0 */ parray<uint8_t, 4> unknown_a2;