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update notes on DC NTE quest commands

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This commit is contained in:
Martin Michelsen
2024-06-23 15:55:36 -07:00
parent 6f056cb1bd
commit 246dfd9fe0
1 changed files with 14 additions and 9 deletions
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src/CommandFormats.hh
+14 -9
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@@ -717,16 +717,19 @@ check_struct_size(C_MenuSelection_PC_BB_10_Flag03, 0x48);
// Internal name: RcvDownLoad // Internal name: RcvDownLoad
// Used for downloading online quests. For download quests (to be saved to the // Used for downloading online quests. For download quests (to be saved to the
// memory card), use A7 instead. // memory card), use A7 instead.
// This command exists on DC NTE, but it does nothing. DC NTE does not have the
// 44 command, which would also be required for loading quests, so online
// quests canot be loaded on DC NTE.
// All chunks except the last must have 0x400 data bytes. When downloading an // All chunks except the last must have 0x400 data bytes. When downloading an
// online quest, the .bin and .dat chunks may be interleaved (although newserv // online quest, the .bin and .dat chunks may be interleaved. There is a client
// currently sends them sequentially). There is a client bug in BB (and // bug in BB (and probably all other versions) where if the quest file's size
// probably all other versions) where if the quest file's size is a multiple // is a multiple of 0x400, the last chunk will have size 0x400, and the client
// of 0x400, the last chunk will have size 0x400, and the client will never // will never consider the download complete since it only checks if the last
// consider the download complete since it only checks if the last chunk has // chunk has size < 0x400; it does not check if all expected bytes have been
// size < 0x400; it does not check if all expected bytes have been received. // received. To work around this, newserv appends an extra zero byte if the
// To work around this, newserv appends an extra zero byte if the quest file's // quest file's size is a multiple of 0x400; this byte will be ignored since
// size is a multiple of 0x400; this byte will be ignored since the PRS // the PRS decompression algorithm contains a stop command, so it will never
// decompression algorithm contains a stop command, so it will never read it. // read it.
// header.flag = file chunk index (start offset / 0x400) // header.flag = file chunk index (start offset / 0x400)
struct S_WriteFile_13_A7 { struct S_WriteFile_13_A7 {
@@ -974,6 +977,8 @@ check_struct_size(S_GuildCardSearchResult_BB_41, 0x128);
// Internal name: RcvDownLoadHead // Internal name: RcvDownLoadHead
// Used for downloading online quests. The client will react to a 44 command if // Used for downloading online quests. The client will react to a 44 command if
// the filename ends in .bin or .dat. // the filename ends in .bin or .dat.
// This command is not implemented on DC NTE, so DC NTE cannot receive online
// quest files.
// For download quests (to be saved to the memory card) and GBA games, the A6 // For download quests (to be saved to the memory card) and GBA games, the A6
// command is used instead. The client will react to A6 if the filename ends in // command is used instead. The client will react to A6 if the filename ends in
// .bin/.dat (quests), .pvr (textures), or .gba (GameBoy Advance games). // .bin/.dat (quests), .pvr (textures), or .gba (GameBoy Advance games).