1 files changed, 91 insertions, 0 deletions
diff --git a/src/net/messageout.h b/src/net/messageout.h
new file mode 100644
index 000000000..11a9ff552
--- /dev/null
+++ b/src/net/messageout.h
@@ -0,0 +1,91 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *
+ *  This file is part of The Mana Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NET_MESSAGEOUT_H
+#define NET_MESSAGEOUT_H
+
+#include <SDL_types.h>
+
+#include <iosfwd>
+
+#ifdef __GNUC__
+#define _UNUSED_  __attribute__ ((unused))
+#else
+#define _UNUSED_
+#endif
+
+namespace Net
+{
+
+/**
+ * Used for building an outgoing message.
+ *
+ * \ingroup Network
+ */
+class MessageOut
+{
+    public:
+        virtual void writeInt8(Sint8 value);          /**< Writes a byte. */
+        virtual void writeInt16(Sint16 value) = 0;    /**< Writes a short. */
+        virtual void writeInt32(Sint32 value) = 0;    /**< Writes a long. */
+
+        /**
+         * Writes a string. If a fixed length is not given (-1), it is stored
+         * as a short at the start of the string.
+         */
+        virtual void writeString(const std::string &string, int length = -1);
+
+        /**
+         * Returns the content of the message.
+         */
+        virtual char *getData() const;
+
+        /**
+         * Returns the length of the data.
+         */
+        virtual unsigned int getDataSize() const;
+
+        virtual ~MessageOut()
+        { }
+
+    protected:
+        /**
+         * Constructor.
+         */
+        MessageOut(short id);
+
+        /**
+         * Expand the packet data to be able to hold more data.
+         *
+         * NOTE: For performance enhancements this method could allocate extra
+         * memory in advance instead of expanding size every time more data is
+         * added.
+         */
+        virtual void expand(size_t size) = 0;
+
+        char *mData;                         /**< Data building up. */
+        unsigned int mDataSize;              /**< Size of data. */
+        unsigned int mPos;                   /**< Position in the data. */
+};
+
+}
+
+#endif // NET_MESSAGEOUT_H