Add unpacktool

unpacktool/IDecompressor.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <stdint.h>
+
+struct CSInputBuffer;
+
+class IDecompressor
+{
+public:
+	virtual ~IDecompressor() { }
+	virtual bool Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize) = 0;
+	virtual bool ReadBytes(void *dest, size_t numBytes) = 0;
+};