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Merge pull request #8947 from JosJuice/rvz-split-seed-read

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RVZ: Fix split seed reads
This commit is contained in:
LC
2020-07-11 11:53:47 -04:00
committed by GitHub
parent 5286fb2657 f7c32bc04e
commit 41a570c74e
1 changed files with 3 additions and 4 deletions
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7
Source/Core/DiscIO/WIACompression.cpp
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@ -350,13 +350,11 @@ bool RVZPackDecompressor::Decompress(const DecompressionBuffer& in, Decompressio
if (result) if (result)
return *result; return *result;
m_size = Common::swap32(m_decompressed.data.data() + m_decompressed_bytes_read); const u32 size = Common::swap32(m_decompressed.data.data() + m_decompressed_bytes_read);
m_junk = m_size & 0x80000000; m_junk = size & 0x80000000;
if (m_junk) if (m_junk)
{ {
m_size &= 0x7FFFFFFF;
constexpr size_t SEED_SIZE = LaggedFibonacciGenerator::SEED_SIZE * sizeof(u32); constexpr size_t SEED_SIZE = LaggedFibonacciGenerator::SEED_SIZE * sizeof(u32);
constexpr size_t BLOCK_SIZE = 0x8000; constexpr size_t BLOCK_SIZE = 0x8000;
@ -372,6 +370,7 @@ bool RVZPackDecompressor::Decompress(const DecompressionBuffer& in, Decompressio
} }
m_decompressed_bytes_read += sizeof(u32); m_decompressed_bytes_read += sizeof(u32);
m_size = size & 0x7FFFFFFF;
} }
size_t bytes_to_write = std::min<size_t>(m_size, out->data.size() - out->bytes_written); size_t bytes_to_write = std::min<size_t>(m_size, out->data.size() - out->bytes_written);