copied refactor to trunk

1 files changed, 42 insertions, 0 deletions

diff --git a/src/engine/shared/packer.h b/src/engine/shared/packer.h
new file mode 100644
index 00000000..7a98501a
--- /dev/null
+++ b/src/engine/shared/packer.h
@@ -0,0 +1,42 @@
+#ifndef ENGINE_SHARED_PACKER_H
+#define ENGINE_SHARED_PACKER_H
+
+
+
+class CPacker
+{
+	enum
+	{
+		PACKER_BUFFER_SIZE=1024*2
+	};
+
+	unsigned char m_aBuffer[PACKER_BUFFER_SIZE];
+	unsigned char *m_pCurrent;
+	unsigned char *m_pEnd;
+	int m_Error;
+public:
+	void Reset();
+	void AddInt(int i);
+	void AddString(const char *pStr, int Limit);
+	void AddRaw(const void *pData, int Size);
+	
+	int Size() const { return (int)(m_pCurrent-m_aBuffer); }
+	const unsigned char *Data() const { return m_aBuffer; }
+	bool Error() const { return m_Error; }
+};
+
+class CUnpacker
+{
+	const unsigned char *m_pStart;
+	const unsigned char *m_pCurrent;
+	const unsigned char *m_pEnd;
+	int m_Error;
+public:
+	void Reset(const void *pData, int Size);
+	int GetInt();
+	const char *GetString();
+	const unsigned char *GetRaw(int Size);
+	bool Error() const { return m_Error; }
+};
+
+#endif