updated nw4r stuff from ogw (not final)

include/nw4r/ut/ut_binaryFileFormat.h

@@ -0,0 +1,28 @@
+#ifndef NW4R_UT_BINARY_FILE_FORMAT_H
+#define NW4R_UT_BINARY_FILE_FORMAT_H
+#include <nw4r/types_nw4r.h>
+
+namespace nw4r {
+namespace ut {
+
+struct BinaryBlockHeader {
+    u32 magic;  // at 0x0
+    u32 length; // at 0x4
+};
+
+struct BinaryFileHeader {
+    u32 magic;      // at 0x0
+    u16 byteOrder;  // at 0x4
+    u16 version;    // at 0x6
+    u32 fileSize;   // at 0x8
+    u16 headerSize; // at 0xC
+    u16 numBlocks;  // at 0xE
+};
+
+bool IsValidBinaryFile(const BinaryFileHeader* header, u32 magic, u16 version,
+                       u16 numBlocks);
+
+} // namespace ut
+} // namespace nw4r
+
+#endif