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Decompress every asset

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This commit is contained in:
MegaMech
2024-05-02 18:32:48 -06:00
committed by Lywx
parent e6de326810
commit 5d0a282ba4
1 changed files with 29 additions and 7 deletions
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src/utils/Decompressor.cpp
+29 -7
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@@ -18,6 +18,7 @@ DataChunk* Decompressor::Decode(const std::vector<uint8_t>& buffer, const uint32
const unsigned char* in_buf = buffer.data() + offset;
SPDLOG_INFO("Offset: 0x{:X}", offset);
switch (type) {
case CompressionType::MIO0: {
mio0_header_t head;
@@ -36,15 +37,36 @@ DataChunk* Decompressor::Decode(const std::vector<uint8_t>& buffer, const uint32
}
DecompressedData Decompressor::AutoDecode(YAML::Node& node, std::vector<uint8_t>& buffer, std::optional<size_t> manualSize) {
if(!node["offset"]){
throw std::runtime_error("Failed to find offset");
}
auto offset = node["offset"].as<uint32_t>();
auto offset = GetSafeNode<uint32_t>(node, "offset");
CompressionType type = Companion::Instance->GetCurrCompressionType();
// Extract compressed assets. Do not run if the offset is 0x0 as that is handled in the below switch statement.
if (offset != 0x0) {
auto fileOffset = TranslateAddr(offset, true);
auto assetPtr = ASSET_PTR(offset);
auto gameSize = Companion::Instance->GetRomData().size();
LUS::BinaryReader reader((char*)buffer.data(), gameSize);
reader.SetEndianness(LUS::Endianness::Big);
reader.Seek(fileOffset + assetPtr, LUS::SeekOffsetType::Start);
std::string mio0 = reader.ReadCString();
if (mio0.compare("MIO0")) {
auto fileOffset = TranslateAddr(offset, true);
offset = ASSET_PTR(offset);
auto decoded = Decode(buffer, fileOffset + offset, CompressionType::MIO0);
auto size = node["size"] ? node["size"].as<size_t>() : manualSize.value_or(decoded->size);
return {
.root = decoded,
.segment = { decoded->data, size }
};
}
}
// Extract compressed files
switch(type) {
case CompressionType::MIO0:
{
@@ -62,7 +84,7 @@ DecompressedData Decompressor::AutoDecode(YAML::Node& node, std::vector<uint8_t>
throw std::runtime_error("Found compressed yay0 segment.\nDecompression of yay0 has not been implemented yet.");
case CompressionType::YAZ0:
throw std::runtime_error("Found compressed yaz0 segment.\nDecompression of yaz0 has not been implemented yet.");
case CompressionType::None:
case CompressionType::None: // The data does not have compression
{
auto fileOffset = TranslateAddr(offset);