fix bb guild card save; implement comments

src/Player.hh

@@ -211,11 +211,11 @@ struct PlayerDispDataBB {
 // GC format)
 struct GuildCardV3 {
   le_uint32_t player_tag;
-  le_uint32_t serial_number;
+  le_uint32_t guild_card_number;
   ptext<char, 0x18> name;
   ptext<char, 0x6C> description;
-  uint8_t reserved1; // should be 1
-  uint8_t reserved2; // should be 1
+  uint8_t present; // should be 1
+  uint8_t present2; // should be 1
   uint8_t section_id;
   uint8_t char_class;
 
@@ -228,8 +228,8 @@ struct GuildCardBB {
   ptext<char16_t, 0x18> name;
   ptext<char16_t, 0x10> team_name;
   ptext<char16_t, 0x58> description;
-  uint8_t reserved1; // should be 1
-  uint8_t reserved2; // should be 1
+  uint8_t present; // should be 1 if guild card entry exists
+  uint8_t present2; // should be 1 if guild card entry exists
   uint8_t section_id;
   uint8_t char_class;
 
@@ -240,21 +240,16 @@ struct GuildCardBB {
 // an entry in the BB guild card file
 struct GuildCardEntryBB {
   GuildCardBB data;
-  // TODO: Almost all of this space (0x58 char16_ts) is probably the comment,
-  // but is the unknown 4 bytes at the beginning or end of this space?
-  parray<uint8_t, 0xB4> unknown_a1;
+  ptext<char16_t, 0x58> comment;
+  parray<uint8_t, 0x4> unknown_a1;
 
   void clear();
 } __attribute__((packed));
 
 // the format of the BB guild card file
 struct GuildCardFileBB {
-  parray<uint8_t, 6> unknown_a1;
-  uint8_t num_guild_cards; // TODO: This is a guess. Verify this.
-  uint8_t unknown_a2;
-  parray<uint8_t, 0x1F7C> unknown_a3;
-  GuildCardEntryBB entries[0x0068]; // that's 104 of them in decimal
-  parray<uint8_t, 0x01AC> unknown_a4;
+  parray<uint8_t, 0x1F74> unknown_a3;
+  GuildCardEntryBB entries[0x0069]; // that's 105 of them in decimal
 } __attribute__((packed));
 
 struct KeyAndTeamConfigBB {