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implement save file decryption/encryption

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This commit is contained in:
Martin Michelsen
2023-03-31 23:56:25 -07:00
parent 06ba95ed97
commit 3b9a76eec8
39 changed files with 666 additions and 205 deletions
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src/GSLArchive.cc
+9 -7
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@@ -10,20 +10,22 @@ using namespace std;
template <typename LongT>
template <bool IsBigEndian>
struct GSLHeaderEntry {
using U32T = typename std::conditional<IsBigEndian, be_uint32_t, le_uint32_t>::type;
ptext<char, 0x20> filename;
LongT offset; // In pages, so actual offset is this * 0x800
LongT size;
U32T offset; // In pages, so actual offset is this * 0x800
U32T size;
uint64_t unused;
} __attribute__((packed));
template <typename LongT>
template <bool IsBigEndian>
void GSLArchive::load_t() {
StringReader r(*this->data);
uint64_t min_data_offset = 0xFFFFFFFFFFFFFFFF;
while (r.where() < min_data_offset) {
const auto& entry = r.get<GSLHeaderEntry<LongT>>();
const auto& entry = r.get<GSLHeaderEntry<IsBigEndian>>();
if (entry.filename.len() == 0) {
break;
}
@@ -38,9 +40,9 @@ void GSLArchive::load_t() {
GSLArchive::GSLArchive(shared_ptr<const string> data, bool big_endian)
: data(data) {
if (big_endian) {
this->load_t<be_uint32_t>();
this->load_t<true>();
} else {
this->load_t<le_uint32_t>();
this->load_t<false>();
}
}