Add unpacktool

unpacktool/CompactProLZHRLEDecompressor.cpp

@@ -0,0 +1,53 @@
+#include "CompactProLZHRLEDecompressor.h"
+#include "CompactProRLEDecompressor.h"
+#include "CompactProLZHDecompressor.h"
+#include "DecompressorProxyReader.h"
+
+CompactProLZHRLEDecompressor::CompactProLZHRLEDecompressor(int blockSize)
+	: m_proxyReader(nullptr)
+	, m_proxyInput(nullptr)
+	, m_lzhDecompressor(nullptr)
+	, m_rleDecompressor(nullptr)
+	, m_blockSize(blockSize)
+{
+}
+
+CompactProLZHRLEDecompressor::~CompactProLZHRLEDecompressor()
+{
+	delete m_rleDecompressor;
+	delete m_lzhDecompressor;
+	delete m_proxyReader;
+	CSInputBufferFree(m_proxyInput);
+}
+
+bool CompactProLZHRLEDecompressor::Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize)
+{
+	delete m_rleDecompressor;
+	delete m_lzhDecompressor;
+	delete m_proxyReader;
+	CSInputBufferFree(m_proxyInput);
+	m_rleDecompressor = nullptr;
+	m_lzhDecompressor = nullptr;
+	m_proxyReader = nullptr;
+	m_proxyInput = nullptr;
+
+	m_lzhDecompressor = nullptr;
+	m_proxyReader = nullptr;
+	m_lzhDecompressor = new CompactProLZHDecompressor(m_blockSize);
+	m_proxyReader = new DecompressorProxyReader(m_lzhDecompressor);
+	// FIXME maybe: This is a really stupid workaround to compensate for the decompressor not actually supporting EOFs, and the fact that we don't know the intermediate size
+	m_proxyInput = CSInputBufferAlloc(m_proxyReader, 1);
+	m_rleDecompressor = new CompactProRLEDecompressor();
+
+	if (!m_lzhDecompressor->Reset(input, compressedSize, 0))
+		return false;
+	if (!m_rleDecompressor->Reset(m_proxyInput, 0, decompressedSize))
+		return false;
+
+	return true;
+}
+
+bool CompactProLZHRLEDecompressor::ReadBytes(void *dest, size_t numBytes)
+{
+	return m_rleDecompressor->ReadBytes(dest, numBytes);
+}