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document what 96 command's value actually represents

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This commit is contained in:
Martin Michelsen
2023-04-01 22:41:43 -07:00
parent 38469119ad
commit b6f71fffbf
5 changed files with 61 additions and 19 deletions
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src/SaveFileFormats.hh
+30 -11
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@@ -71,7 +71,10 @@ struct PSOGCSystemFile {
/* 000E */ be_uint16_t surround_sound_enabled;
/* 0010 */ parray<uint8_t, 0x100> unknown_a6;
/* 0110 */ parray<uint8_t, 8> unknown_a7;
/* 0118 */ be_uint32_t creation_internet_time; // Character file round1 seed
// This timestamp is the number of seconds since 12:00AM on 1 January 2000.
// This field is also used as the round1 seed for encrypting the character and
// Guild Card files.
/* 0118 */ be_uint32_t creation_timestamp;
/* 011C */
} __attribute__((packed));
@@ -116,9 +119,9 @@ struct PSOGCCharacterFile {
/* 0000 */ PlayerInventory inventory;
/* 034C */ PlayerDispDataDCPCV3 disp;
/* 041C */ be_uint32_t unknown_a1;
/* 0420 */ be_uint32_t save_token; // Sent in 96 command
/* 0420 */ be_uint32_t creation_timestamp;
/* 0424 */ parray<be_uint32_t, 3> unknown_a2;
/* 0430 */ be_uint32_t save_count; // Sent in 96 command
/* 0430 */ be_uint32_t save_count;
/* 0434 */ parray<uint8_t, 0x230> unknown_a3;
/* 0664 */ PlayerBank bank;
/* 192C */ GuildCardV3 guild_card;
@@ -148,19 +151,25 @@ struct PSOGCEp3CharacterFile {
/* 034C */ PlayerDispDataDCPCV3 disp;
/* 041C */ be_uint32_t unknown_a1;
/* 0420 */ be_uint32_t save_token; // Sent in 96 command
/* 0424 */ parray<be_uint32_t, 3> unknown_a2;
// The signature field holds the value 0xA205B064, which is 2718281828 in
// decimal - approximately e * 10^9. It's unknown why Sega chose this value.
/* 0424 */ be_uint32_t signature;
/* 0428 */ be_uint32_t unknown_a2;
/* 042C */ be_uint32_t unknown_a3;
/* 0430 */ be_uint32_t save_count; // Sent in 96 command
/* 0434 */ parray<uint8_t, 0x498> unknown_a3;
/* 0434 */ parray<uint8_t, 0x1C> unknown_a4;
/* 0450 */ parray<uint8_t, 0x10> unknown_a5;
/* 0460 */ parray<uint8_t, 0x46C> unknown_a6;
/* 08CC */ GuildCardV3 guild_card;
/* 095C */ parray<PSOGCSaveFileSymbolChatEntry, 12> symbol_chats;
/* 0D7C */ parray<PSOGCSaveFileChatShortcutEntry, 20> chat_shortcuts;
/* 140C */ parray<uint8_t, 0xAC> unknown_a4;
/* 140C */ parray<uint8_t, 0xAC> unknown_a7;
/* 14B8 */ ptext<char, 0xAC> info_board;
/* 1564 */ parray<uint8_t, 0xF4> unknown_a5;
/* 1564 */ parray<uint8_t, 0xF4> unknown_a8;
/* 1658 */ Episode3::PlayerConfig ep3_config;
/* 39A8 */ be_uint32_t unknown_a7;
/* 39AC */ be_uint32_t unknown_a8;
/* 39B0 */ be_uint32_t unknown_a9;
/* 39A8 */ be_uint32_t unknown_a9;
/* 39AC */ be_uint32_t unknown_a10;
/* 39B0 */ be_uint32_t unknown_a11;
/* 39B4 */
} __attribute__((packed));
/* 00004 */ parray<Character, 7> characters;
@@ -201,7 +210,7 @@ struct PSOGCGuildCardFile {
} __attribute__((packed));
/* 00C4 */ parray<GuildCardEntry, 0xD2> entries;
/* D2C4 */ parray<GuildCardBE, 0x1C> blocked_senders;
/* E284 */ be_uint32_t unknown_a3;
/* E284 */ be_uint32_t creation_timestamp;
/* E288 */ be_uint32_t round2_seed;
/* E28C */
} __attribute__((packed));
@@ -285,3 +294,13 @@ std::string encrypt_gci_fixed_size_file_data_section(
return encrypt_gci_or_vms_v2_data_section<true>(
&encrypted, sizeof(StructT), round1_seed);
}
uint32_t compute_psogc_timestamp(
uint16_t year,
uint8_t month,
uint8_t day,
uint8_t hour,
uint8_t minute,
uint8_t second);