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describe DC save file formats; add decrypt/encrypt actions

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This commit is contained in:
Martin Michelsen
2024-11-03 21:24:48 -08:00
parent ac20d0c7d4
commit 0522b539c4
22 changed files with 544 additions and 214 deletions
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src/SaveFileFormats.cc
+13 -3
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@@ -143,6 +143,16 @@ bool PSOVMSFileHeader::checksum_correct() const {
return (crc == this->crc);
}
void PSOVMSFileHeader::check() const {
if (!this->checksum_correct()) {
throw runtime_error("VMS file unencrypted header checksum is incorrect");
}
}
bool PSOVMSFileHeader::is_v2() const {
return !memcmp(this->short_desc.data, "PSOV2", 5);
}
bool PSOGCIFileHeader::checksum_correct() const {
uint32_t cs = phosg::crc32(&this->game_name, this->game_name.bytes());
cs = phosg::crc32(&this->embedded_seed, sizeof(this->embedded_seed), cs);
@@ -543,7 +553,7 @@ shared_ptr<PSOBBCharacterFile> PSOBBCharacterFile::create_from_preview(
guild_card_number, language, preview.visual, preview.name.decode(language), level_table);
}
shared_ptr<PSOBBCharacterFile> PSOBBCharacterFile::create_from_dc_v2(const PSODCV2CharacterFile& dc) {
shared_ptr<PSOBBCharacterFile> PSOBBCharacterFile::create_from_dc_v2(const PSODCV2CharacterFile::Character& dc) {
auto ret = make_shared<PSOBBCharacterFile>();
ret->inventory = dc.inventory;
ret->inventory.decode_from_client(Version::DC_V2);
@@ -792,10 +802,10 @@ void save_psochar(
phosg::fwritex(f.get(), empty_membership);
}
PSODCV2CharacterFile PSOBBCharacterFile::to_dc_v2() const {
PSODCV2CharacterFile::Character PSOBBCharacterFile::to_dc_v2() const {
uint8_t language = this->inventory.language;
PSODCV2CharacterFile ret;
PSODCV2CharacterFile::Character ret;
ret.inventory = this->inventory;
// We don't need to do the v1-compatible encoding (hence it is OK to pass
// nullptr here) but we do need to encode mag stats in the v2 format