1 files changed, 67 insertions, 0 deletions
diff --git a/engines/cruise/saveload.h b/engines/cruise/saveload.h
index 276100bdb2..eca03b18bc 100644
--- a/engines/cruise/saveload.h
+++ b/engines/cruise/saveload.h
@@ -26,8 +26,75 @@
 #ifndef CRUISE_SAVELOAD_H
 #define CRUISE_SAVELOAD_H
 
+#include "common/scummsys.h"
+#include "common/savefile.h"
+
 namespace Cruise {
 
+/* TODO: This code is copied verbatim from the Tinsel engine, and in turn was derived from
+ * the SCUMM engine. As such it should probably be brought into the common codebase
+ */
+#define SYNC_AS(SUFFIX,TYPE,SIZE) \
+	template <class T> \
+	void syncAs ## SUFFIX(T &val) { \
+		if (_loadStream) \
+			val = static_cast<T>(_loadStream->read ## SUFFIX()); \
+		else { \
+			TYPE tmp = val; \
+			_saveStream->write ## SUFFIX(tmp); \
+		} \
+		_bytesSynced += SIZE; \
+	}
+
+
+class Serializer {
+public:
+	Serializer(Common::SeekableReadStream *in, Common::OutSaveFile *out)
+		: _loadStream(in), _saveStream(out), _bytesSynced(0) {
+		assert(in || out);
+	}
+
+	bool isSaving() { return (_saveStream != 0); }
+	bool isLoading() { return (_loadStream != 0); }
+
+	uint bytesSynced() const { return _bytesSynced; }
+
+	void syncBytes(byte *buf, uint16 size) {
+		if (_loadStream)
+			_loadStream->read(buf, size);
+		else
+			_saveStream->write(buf, size);
+		_bytesSynced += size;
+	}
+
+	void syncString(char *buf, uint16 size) {
+		syncBytes((byte *)buf, size);
+	}
+
+	SYNC_AS(Byte, byte, 1)
+
+	SYNC_AS(Uint16LE, uint16, 2)
+	SYNC_AS(Uint16BE, uint16, 2)
+	SYNC_AS(Sint16LE, int16, 2)
+	SYNC_AS(Sint16BE, int16, 2)
+
+	SYNC_AS(Uint32LE, uint32, 4)
+	SYNC_AS(Uint32BE, uint32, 4)
+	SYNC_AS(Sint32LE, int32, 4)
+	SYNC_AS(Sint32BE, int32, 4)
+
+protected:
+	Common::SeekableReadStream *_loadStream;
+	Common::OutSaveFile *_saveStream;
+
+	uint _bytesSynced;
+};
+
+#undef SYNC_AS
+
+
+
+
 int saveSavegameData(int saveGameIdx);
 int loadSavegameData(int saveGameIdx);