ShuriZma
/
xenia-canary
mirror of https://github.com/xenia-canary/xenia-canary.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[XDBF] Added support for reading compressed XLast XML file 

To decompress it we need gzip and then some library for XML to read it
This commit is contained in:
Gliniak 2024-01-10 22:03:27 +01:00
parent d6c9566c69
commit 49d44600e8
2 changed files with 30 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/xenia/kernel/util/xdbf_utils.cc
View File

@ -22,6 +22,7 @@ constexpr fourcc_t kXdbfSignatureXprp = make_fourcc("XPRP");
constexpr fourcc_t kXdbfSignatureXcxt = make_fourcc("XCXT");
constexpr fourcc_t kXdbfSignatureXvc2 = make_fourcc("XVC2");
constexpr fourcc_t kXdbfSignatureXmat = make_fourcc("XMAT");
constexpr fourcc_t kXdbfSignatureXsrc = make_fourcc("XSRC");
constexpr uint64_t kXdbfIdTitle = 0x8000;
constexpr uint64_t kXdbfIdXstc = 0x58535443;
@ -30,6 +31,7 @@ constexpr uint64_t kXdbfIdXprp = 0x58505250;
constexpr uint64_t kXdbfIdXctx = 0x58435854;
constexpr uint64_t kXdbfIdXvc2 = 0x58564332;
constexpr uint64_t kXdbfIdXmat = 0x584D4154;
constexpr uint64_t kXdbfIdXsrc = 0x58535243;
XdbfWrapper::XdbfWrapper(const uint8_t* data, size_t data_size)
: data_(data), data_size_(data_size) {
@ -213,6 +215,32 @@ std::vector<XdbfViewTable> XdbfWrapper::GetStatsView() const {
return entries;
}
const uint8_t* XdbfWrapper::ReadXLast(uint32_t& compressed_size,
uint32_t& decompressed_size) const {
auto xlast_table = GetEntry(XdbfSection::kMetadata, kXdbfIdXsrc);
if (!xlast_table) {
return nullptr;
}
auto xlast_head =
reinterpret_cast<const XdbfSectionHeader*>(xlast_table.buffer);
assert_true(xlast_head->magic == kXdbfSignatureXsrc);
assert_true(xlast_head->version == 1);
const uint8_t* ptr = xlast_table.buffer + sizeof(XdbfSectionHeader);
const uint32_t filename_length = xe::byte_swap(*(uint32_t*)ptr);
ptr += sizeof(uint32_t) + filename_length;
decompressed_size = xe::byte_swap(*(uint32_t*)ptr);
ptr += sizeof(uint32_t);
compressed_size = xe::byte_swap(*(uint32_t*)ptr);
ptr += sizeof(uint32_t);
return ptr;
}
XdbfAchievementTableEntry XdbfWrapper::GetAchievement(const uint32_t id) const {
const auto achievements = GetAchievements();

2
src/xenia/kernel/util/xdbf_utils.h
View File

@ -196,6 +196,8 @@ class XdbfWrapper {
XdbfPropertyBag GetMatchCollection() const;
const uint8_t* ReadXLast(uint32_t& compressed_size, uint32_t& decompressed_size) const;
private:
const uint8_t* data_ = nullptr;
size_t data_size_ = 0;