1 files changed, 107 insertions, 0 deletions
diff --git a/src/net/messageout.h b/src/net/messageout.h
new file mode 100644
index 00000000..cf3e0c73
--- /dev/null
+++ b/src/net/messageout.h
@@ -0,0 +1,107 @@
+/*
+ *  The Mana Server
+ *  Copyright (C) 2004-2010  The Mana World Development Team
+ *
+ *  This file is part of The Mana Server.
+ *
+ *  The Mana Server 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.
+ *
+ *  The Mana Server 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 The Mana Server.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MESSAGEOUT_H
+#define MESSAGEOUT_H
+
+#include <iosfwd>
+
+/**
+ * Used for building an outgoing message.
+ */
+class MessageOut
+{
+    public:
+        /**
+         * Constructor.
+         */
+        MessageOut();
+
+        /**
+         * Constructor that takes a message ID.
+         */
+        MessageOut(int id);
+
+        /**
+         * Destructor.
+         */
+        ~MessageOut();
+
+        /**
+         * Clears current message.
+         */
+        void clear();
+
+        void writeInt8(int value);     /**< Writes an integer on one byte. */
+
+        void writeInt16(int value);    /**< Writes an integer on two bytes. */
+
+        void writeInt32(int value);    /**< Writes an integer on four bytes. */
+
+        /**
+         * Writes a double. HACKY and should *not* be used for client
+         * communication!
+         */
+        void writeDouble(double value);
+
+        /**
+         * Writes a 3-byte block containing tile-based coordinates.
+         */
+        void writeCoordinates(int x, int y);
+
+        /**
+         * Writes a string. If a fixed length is not given (-1), it is stored
+         * as a short at the start of the string.
+         */
+        void
+        writeString(const std::string &string, int length = -1);
+
+        /**
+         * Returns the content of the message.
+         */
+        char*
+        getData() const { return mData; }
+
+        /**
+         * Returns the length of the data.
+         */
+        unsigned int
+        getLength() const { return mPos; }
+
+    private:
+        /**
+         * Ensures the capacity of the data buffer is large enough to hold the
+         * given amount of bytes.
+         */
+        void
+        expand(size_t size);
+
+        char *mData;                         /**< Data building up. */
+        unsigned int mPos;                   /**< Position in the data. */
+        unsigned int mDataSize;              /**< Allocated datasize. */
+
+        /**
+         * Streams message ID and length to the given output stream.
+         */
+        friend std::ostream& operator <<(std::ostream &os,
+                                         const MessageOut &msg);
+};
+
+#endif //MESSAGEOUT_H