1 files changed, 74 insertions, 0 deletions
diff --git a/src/net/tmwa/messagein.cpp b/src/net/tmwa/messagein.cpp
new file mode 100644
index 00000000..0074cfdd
--- /dev/null
+++ b/src/net/tmwa/messagein.cpp
@@ -0,0 +1,74 @@
+/*
+ *  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/>.
+ */
+
+#include "net/tmwa/messagein.h"
+
+#include <SDL.h>
+#include <SDL_endian.h>
+
+#define MAKEWORD(low,high) \
+    ((unsigned short)(((unsigned char)(low)) | \
+    ((unsigned short)((unsigned char)(high))) << 8))
+
+namespace TmwAthena  {
+
+MessageIn::MessageIn(const char *data, unsigned int length):
+        Net::MessageIn(data, length)
+{
+    // Read the message ID
+    mId = readInt16();
+}
+
+int MessageIn::readInt16()
+{
+    Sint16 value = -1;
+    if (mPos + 2 <= mLength)
+    {
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+        Sint16 swap;
+        memcpy(&swap, mData + mPos, sizeof(Sint16));
+        value = SDL_Swap16(swap);
+#else
+        memcpy(&value, mData + mPos, sizeof(Sint16));
+#endif
+    }
+    mPos += 2;
+    return value;
+}
+
+int MessageIn::readInt32()
+{
+    Sint32 value = -1;
+    if (mPos + 4 <= mLength)
+    {
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+        Sint32 swap;
+        memcpy(&swap, mData + mPos, sizeof(Sint32));
+        value = SDL_Swap32(swap);
+#else
+        memcpy(&value, mData + mPos, sizeof(Sint32));
+#endif
+    }
+    mPos += 4;
+    return value;
+}
+
+} // namespace TmwAthena