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authorAndrei Karas <akaras@inbox.ru>2011-01-02 01:48:38 +0200
committerAndrei Karas <akaras@inbox.ru>2011-01-02 02:41:24 +0200
commit3eeae12c498d1a4dbe969462d2ba841f77ee3ccb (patch)
treeff8eab35e732bc0749fc11677c8873a7b3a58704 /src/net/tmwa/messagein.cpp
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Initial commit.
This code based on mana client http://www.gitorious.org/mana/mana and my private repository.
Diffstat (limited to 'src/net/tmwa/messagein.cpp')
-rw-r--r--src/net/tmwa/messagein.cpp85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/net/tmwa/messagein.cpp b/src/net/tmwa/messagein.cpp
new file mode 100644
index 000000000..23f5e09c1
--- /dev/null
+++ b/src/net/tmwa/messagein.cpp
@@ -0,0 +1,85 @@
+/*
+ * 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 "net/packetcounters.h"
+
+#include "log.h"
+
+#include "utils/stringutils.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();
+}
+
+Sint16 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;
+ PacketCounters::incInBytes(2);
+ DEBUGLOG("readInt16: " + toString((int)value));
+ 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;
+ PacketCounters::incInBytes(4);
+ DEBUGLOG(strprintf("readInt32: %u", value));
+ return value;
+}
+
+} // namespace TmwAthena