Initial commit

Include/ZNet/ZNetPacket.hpp

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+/*
+	ZNetPacket.hpp
+	Author: Patrick Baggett	<ptbaggett@762studios.com>
+	Created: 6/4/2013
+
+	Purpose:
+
+	ZNet packet class, represents a packet
+
+	License:
+	
+	Copyright 2013, 762 Studios
+*/
+
+#pragma once
+
+#ifndef _ZNETPACKET_HPP
+#define _ZNETPACKET_HPP
+
+#include <pstdint.h>
+
+/*
+	ZNetPacket defines a logical packet that is to be sent or has been received. The data is appended
+	at the end of the structure, so getting the address requires pointer manipulation. It does
+	not represent the wire format of what is sent, since packets may be merged.
+*/
+
+struct ZNetPacket
+{
+	uint32_t dataSize;		//< Size of the packet (logically)
+	uint32_t flags;			//< The flags. ZNET_TRANSIENT, ZNET_RELIABLE, etc.
+	int32_t refCount;		//< Reference count
+
+	uint8_t* GetData() { return (uint8_t*) ((uintptr_t)this + sizeof(ZNetPacket)); }
+	void AddReference() { refCount++; }
+	void ReleaseReference()
+	{
+		refCount--;
+		if(refCount == 0)
+			free(this);
+	}
+};
+
+#endif
+
+