Initial commit.

This code based on mana client http://www.gitorious.org/mana/mana
and my private repository.

18 files changed, 2237 insertions, 0 deletions

diff --git a/src/utils/base64.cpp b/src/utils/base64.cpp
new file mode 100644
index 000000000..1221a7c7f
--- /dev/null
+++ b/src/utils/base64.cpp
@@ -0,0 +1,170 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP HTML Embedded Scripting Language Version 3.0                     |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1997-2000 PHP Development Team (See Credits file)      |
+   +----------------------------------------------------------------------+
+   | This program is free software; you can redistribute it and/or modify |
+   | it under the terms of one of the following licenses:                 |
+   |                                                                      |
+   |  A) the GNU General Public License as published by the Free Software |
+   |     Foundation; either version 2 of the License, or (at your option) |
+   |     any later version.                                               |
+   |                                                                      |
+   |  B) the PHP License as published by the PHP Development Team and     |
+   |     included in the distribution in the file: LICENSE                |
+   |                                                                      |
+   | 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 both licenses referred to here.   |
+   | If you did not, or have any questions about PHP licensing, please    |
+   | contact core@php.net.                                                |
+   +----------------------------------------------------------------------+
+   | Author: Jim Winstead (jimw@php.net)                                  |
+   +----------------------------------------------------------------------+
+   */
+
+#include "utils/base64.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+static char base64_table[] =
+{
+    'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
+    'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
+    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
+    'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
+    '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/', '\0'
+};
+static char base64_pad = '=';
+
+unsigned char *php3_base64_encode(const unsigned char *string,
+                                  int length, int *ret_length)
+{
+    const unsigned char *current = string;
+    int i = 0;
+    unsigned char *result = (unsigned char *)malloc(
+        ((length + 3 - length % 3) * 4 / 3 + 1) * sizeof(char));
+
+    while (length > 2)
+    { /* keep going until we have less than 24 bits */
+        result[i++] = base64_table[current[0] >> 2];
+        result[i++] = base64_table[((current[0] & 0x03)
+                      << 4) + (current[1] >> 4)];
+        result[i++] = base64_table[((current[1] & 0x0f)
+                      << 2) + (current[2] >> 6)];
+        result[i++] = base64_table[current[2] & 0x3f];
+
+        current += 3;
+        length -= 3; /* we just handle 3 octets of data */
+    }
+
+    /* now deal with the tail end of things */
+    if (length != 0)
+    {
+        result[i++] = base64_table[current[0] >> 2];
+        if (length > 1)
+        {
+            result[i++] = base64_table[((current[0] & 0x03) << 4)
+                          + (current[1] >> 4)];
+            result[i++] = base64_table[(current[1] & 0x0f) << 2];
+            result[i++] = base64_pad;
+        }
+        else
+        {
+            result[i++] = base64_table[(current[0] & 0x03) << 4];
+            result[i++] = base64_pad;
+            result[i++] = base64_pad;
+        }
+    }
+    if (ret_length)
+    {
+        *ret_length = i;
+    }
+    result[i] = '\0';
+    return result;
+}
+
+/* as above, but backwards. :) */
+unsigned char *php3_base64_decode(const unsigned char *string,
+                                  int length, int *ret_length)
+{
+    const unsigned char *current = string;
+    int ch, i = 0, j = 0, k;
+    char *chp;
+
+    unsigned char *result = (unsigned char *)malloc(length + 1);
+
+    if (result == NULL)
+        return NULL;
+
+    /* run through the whole string, converting as we go */
+    while ((ch = *current++) != '\0')
+    {
+        if (ch == base64_pad) break;
+
+        /* When Base64 gets POSTed, all pluses are interpreted as spaces.
+           This line changes them back.  It's not exactly the Base64 spec,
+           but it is completely compatible with it (the spec says that
+           spaces are invalid).  This will also save many people considerable
+           headache.  - Turadg Aleahmad <turadg@wise.berkeley.edu>
+           */
+
+        if (ch == ' ') ch = '+';
+
+        chp = strchr(base64_table, ch);
+        if (!chp)
+            continue;
+        ch = chp - base64_table;
+
+        switch(i % 4)
+        {
+            case 0:
+                result[j] = ch << 2;
+                break;
+            case 1:
+                result[j++] |= ch >> 4;
+                result[j] = (ch & 0x0f) << 4;
+                break;
+            case 2:
+                result[j++] |= ch >>2;
+                result[j] = (ch & 0x03) << 6;
+                break;
+            case 3:
+                result[j++] |= ch;
+                break;
+            default:
+                break;
+        }
+        i++;
+    }
+
+    k = j;
+    /* mop things up if we ended on a boundary */
+    if (ch == base64_pad)
+    {
+        switch(i % 4)
+        {
+            case 0:
+            case 1:
+                free(result);
+                return 0;
+            case 2:
+                k++;
+            case 3:
+                result[k++] = 0;
+            default:
+                break;
+        }
+    }
+    if (ret_length)
+    {
+        *ret_length = j;
+    }
+    result[k] = '\0';
+    return result;
+}
diff --git a/src/utils/base64.h b/src/utils/base64.h
new file mode 100644
index 000000000..92c230169
--- /dev/null
+++ b/src/utils/base64.h
@@ -0,0 +1,36 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP HTML Embedded Scripting Language Version 3.0                     |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1997,1998 PHP Development Team (See Credits file)      |
+   +----------------------------------------------------------------------+
+   | This program is free software; you can redistribute it and/or modify |
+   | it under the terms of one of the following licenses:                 |
+   |                                                                      |
+   |  A) the GNU General Public License as published by the Free Software |
+   |     Foundation; either version 2 of the License, or (at your option) |
+   |     any later version.                                               |
+   |                                                                      |
+   |  B) the PHP License as published by the PHP Development Team and     |
+   |     included in the distribution in the file: LICENSE                |
+   |                                                                      |
+   | 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 both licenses referred to here.   |
+   | If you did not, or have any questions about PHP licensing, please    |
+   | contact core@php.net.                                                |
+   +----------------------------------------------------------------------+
+   | Author: Jim Winstead (jimw@php.net)                                  |
+   +----------------------------------------------------------------------+
+ */
+
+#ifndef BASE64_H
+#define BASE64_H
+
+extern unsigned char *php3_base64_encode(const unsigned char *, int, int *);
+extern unsigned char *php3_base64_decode(const unsigned char *, int, int *);
+
+#endif /* BASE64_H */
diff --git a/src/utils/copynpaste.cpp b/src/utils/copynpaste.cpp
new file mode 100644
index 000000000..498c012b5
--- /dev/null
+++ b/src/utils/copynpaste.cpp
@@ -0,0 +1,324 @@
+/*
+ *  Retrieve string pasted depending on OS mechanisms.
+ *  Copyright (C) 2001-2010  Wormux Team
+ *
+ *  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/>.
+ */
+
+/*
+ *  IMPORTANT!
+ *
+ *  This code was taken from Wormux svn trunk at Feb 25 2010. Please don't
+ *  make any unnecessary modifications, and try to sync up modifications
+ *  when possible.
+ */
+
+#ifdef _MSC_VER
+#  include "msvc/config.h"
+#elif defined(HAVE_CONFIG_H)
+#  include "config.h"
+#endif
+
+#include <SDL_syswm.h>
+#include "copynpaste.h"
+
+#ifdef WIN32
+bool RetrieveBuffer(std::string& text, std::string::size_type& pos)
+{
+  bool  ret = false;
+
+  if (!OpenClipboard(NULL))
+    return false;
+
+  HANDLE  h = GetClipboardData(CF_UNICODETEXT);
+  if (h)
+  {
+    LPCWSTR data = (LPCWSTR)GlobalLock(h);
+
+    if (data)
+    {
+      int len = WideCharToMultiByte(CP_UTF8, 0, data, -1, NULL, 0, NULL, NULL);
+      if (len > 0)
+      {
+        // Convert from UTF-16 to UTF-8
+        void *temp = malloc(len);
+        if (WideCharToMultiByte(CP_UTF8, 0, data, -1, (LPSTR)temp, len, NULL, NULL))
+        {
+          text.insert(pos, (char*)temp);
+          pos += len-1;
+        }
+        free(temp);
+        ret = true;
+      }
+    }
+    GlobalUnlock(h);
+  }
+  else
+  {
+    h = GetClipboardData(CF_TEXT);
+
+    if (h)
+    {
+      const char *data = (char*)GlobalLock(h);
+      if (data)
+      {
+        text.insert(pos, data);
+        pos += strlen(data);
+        ret = true;
+      }
+      GlobalUnlock(h);
+    }
+  }
+
+  CloseClipboard();
+  return ret;
+}
+#elif defined(__APPLE__)
+
+#ifdef Status
+#undef Status
+#endif
+
+#include <Carbon/Carbon.h>
+
+// Sorry for the very long code, all nicer OS X APIs are coded in Objective C and not C!
+// Also it does very thorough error handling
+bool GetDataFromPasteboard( PasteboardRef inPasteboard, char* flavorText /* out */, const int bufSize )
+{
+    OSStatus            err = noErr;
+    PasteboardSyncFlags syncFlags;
+    ItemCount           itemCount;
+
+    syncFlags = PasteboardSynchronize( inPasteboard );
+
+    //require_action( syncFlags & kPasteboardModified, PasteboardOutOfSync,
+    //               err = badPasteboardSyncErr );
+
+    err = PasteboardGetItemCount( inPasteboard, &itemCount );
+    require_noerr( err, CantGetPasteboardItemCount );
+
+    for (UInt32 itemIndex = 1; itemIndex <= itemCount; itemIndex++)
+    {
+        PasteboardItemID    itemID;
+        CFArrayRef          flavorTypeArray;
+        CFIndex             flavorCount;
+
+        err = PasteboardGetItemIdentifier( inPasteboard, itemIndex, &itemID );
+        require_noerr( err, CantGetPasteboardItemIdentifier );
+
+        err = PasteboardCopyItemFlavors( inPasteboard, itemID, &flavorTypeArray );
+        require_noerr( err, CantCopyPasteboardItemFlavors );
+
+        flavorCount = CFArrayGetCount( flavorTypeArray );
+
+        for (CFIndex flavorIndex = 0; flavorIndex < flavorCount; flavorIndex++)
+        {
+            CFStringRef             flavorType;
+            CFDataRef               flavorData;
+            CFIndex                 flavorDataSize;
+            flavorType = (CFStringRef)CFArrayGetValueAtIndex(flavorTypeArray, flavorIndex);
+
+            // we're only interested by text...
+            if (UTTypeConformsTo(flavorType, CFSTR("public.utf8-plain-text")))
+            {
+                err = PasteboardCopyItemFlavorData( inPasteboard, itemID,
+                                                   flavorType, &flavorData );
+                require_noerr( err, CantCopyFlavorData );
+                flavorDataSize = CFDataGetLength( flavorData );
+                flavorDataSize = (flavorDataSize<254) ? flavorDataSize : 254;
+
+                if (flavorDataSize+2 > bufSize)
+                {
+                    fprintf(stderr, "Cannot copy clipboard, contents is too big!\n");
+                    return false;
+                }
+
+                for (short dataIndex = 0; dataIndex <= flavorDataSize; dataIndex++)
+                {
+                    char byte = *(CFDataGetBytePtr( flavorData ) + dataIndex);
+                    flavorText[dataIndex] = byte;
+                }
+
+                flavorText[flavorDataSize] = '\0';
+                flavorText[flavorDataSize+1] = '\n';
+
+                CFRelease (flavorData);
+                return true;
+            }
+
+            continue;
+            CantCopyFlavorData:   fprintf(stderr, "Cannot copy clipboard, CantCopyFlavorData!\n");
+        }
+
+        CFRelease (flavorTypeArray);
+        continue;
+
+    CantCopyPasteboardItemFlavors:   fprintf(stderr, "Cannot copy clipboard, CantCopyPasteboardItemFlavors!\n");   continue;
+    CantGetPasteboardItemIdentifier: fprintf(stderr, "Cannot copy clipboard, CantGetPasteboardItemIdentifier!\n"); continue;
+    }
+    fprintf(stderr, "Cannot copy clipboard, found no acceptable flavour!\n");
+    return false;
+
+    CantGetPasteboardItemCount:  fprintf(stderr, "Cannot copy clipboard, CantGetPasteboardItemCount!\n"); return false;
+    //PasteboardOutOfSync:         fprintf(stderr, "Cannot copy clipboard, PasteboardOutOfSync!\n");        return false;
+}
+
+bool getClipBoard(char* text /* out */, const int bufSize )
+{
+    OSStatus err = noErr;
+
+    PasteboardRef theClipboard;
+    err = PasteboardCreate( kPasteboardClipboard, &theClipboard );
+    require_noerr( err, PasteboardCreateFailed );
+
+    if (!GetDataFromPasteboard(theClipboard, text, bufSize))
+    {
+        fprintf(stderr, "Cannot copy clipboard, GetDataFromPasteboardFailed!\n");
+        return false;
+    }
+
+    CFRelease(theClipboard);
+
+    return true;
+
+    // ---- error handling
+    PasteboardCreateFailed:       fprintf(stderr, "Cannot copy clipboard, PasteboardCreateFailed!\n");
+    CFRelease(theClipboard);
+    return false;
+}
+
+bool RetrieveBuffer(std::string& text, std::string::size_type& pos)
+{
+    const int bufSize = 512;
+    char buffer[bufSize+1];
+
+    if (getClipBoard(buffer, bufSize))
+    {
+        text = buffer;
+        pos += strlen(buffer);
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+#elif USE_X11
+static char* getSelection(Display *dpy, Window us, Atom selection)
+{
+  int    max_events = 50;
+  Window owner      = XGetSelectionOwner (dpy, selection);
+  int    ret;
+
+  //printf("XConvertSelection on %s\n", XGetAtomName(dpy, selection));
+  if (owner == None)
+  {
+    //printf("No owner\n");
+    return NULL;
+  }
+  XConvertSelection(dpy, selection, XA_STRING, XA_PRIMARY, us, CurrentTime);
+  XFlush(dpy);
+
+  while (max_events--)
+  {
+    XEvent        e;
+
+    XNextEvent(dpy, &e);
+    if(e.type == SelectionNotify)
+    {
+      //printf("Received %s\n", XGetAtomName(dpy, e.xselection.selection));
+      if(e.xselection.property == None)
+      {
+        //printf("Couldn't convert\n");
+        return NULL;
+      }
+
+      long unsigned len, left, dummy;
+      int           format;
+      Atom          type;
+      unsigned char *data = NULL;
+
+      ret = XGetWindowProperty(dpy, us, e.xselection.property, 0, 0, False,
+                               AnyPropertyType, &type, &format, &len, &left,
+                               &data);
+      if (left < 1)
+      {
+        if (ret == Success)
+          XFree(data);
+        return NULL;
+      }
+
+      ret = XGetWindowProperty(dpy, us, e.xselection.property, 0, left, False,
+                               AnyPropertyType, &type, &format, &len, &dummy,
+                               &data);
+      if (ret != Success)
+      {
+        //printf("Failed to get property: %p on %lu\n", data, len);
+        return NULL;
+      }
+
+      //printf(">>>  Got %s: len=%lu left=%lu (event %i)\n", data, len, left, 50-max_events);
+      return (char*)data;
+    }
+  }
+  return NULL;
+}
+
+bool RetrieveBuffer(std::string& text, std::string::size_type& pos)
+{
+  SDL_SysWMinfo info;
+
+  //printf("Retrieving buffer...\n");
+  SDL_VERSION(&info.version);
+  if ( SDL_GetWMInfo(&info) )
+  {
+    Display *dpy  = info.info.x11.display;
+    Window  us    = info.info.x11.window;
+    char    *data = NULL;
+
+    if (!data)
+    {
+      data = getSelection(dpy, us, XA_PRIMARY);
+    }
+    if (!data)
+    {
+      data = getSelection(dpy, us, XA_SECONDARY);
+    }
+    if (!data)
+    {
+      Atom XA_CLIPBOARD = XInternAtom(dpy, "CLIPBOARD", 0);
+      data = getSelection(dpy, us, XA_CLIPBOARD);
+    }
+    if (data)
+    {
+      // check cursor position
+      if (pos > text.size()) {
+        pos = text.size();
+      }
+
+      text.insert(pos, data);
+      pos += strlen(data);
+      XFree(data);
+
+      return true;
+    }
+  }
+  return false;
+}
+#else
+bool RetrieveBuffer(std::string&, std::string::size_type&) { return false; }
+#endif
diff --git a/src/utils/copynpaste.h b/src/utils/copynpaste.h
new file mode 100644
index 000000000..1a7c81d05
--- /dev/null
+++ b/src/utils/copynpaste.h
@@ -0,0 +1,33 @@
+/*
+ *  Retrieve string pasted depending on OS mechanisms.
+ *  Copyright (C) 2001-2010  Wormux Team
+ *
+ *  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 <string>
+
+/**
+ * Attempts to retrieve text from the clipboard buffer and inserts it in
+ * \a text at position \pos. The characters are encoded in utf-8.
+ *
+ * Implemented for Windows, X11 and Mac OS X.
+ *
+ * @return <code>true</code> when successful or <code>false</code> when there
+ *         was a problem retrieving the clipboard buffer.
+ */
+bool RetrieveBuffer(std::string& text, std::string::size_type& pos);
+
diff --git a/src/utils/dtor.h b/src/utils/dtor.h
new file mode 100644
index 000000000..a50189c4e
--- /dev/null
+++ b/src/utils/dtor.h
@@ -0,0 +1,54 @@
+/*
+ *  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 UTILS_DTOR_H
+#define UTILS_DTOR_H
+
+#include <algorithm>
+#include <functional>
+#include <utility>
+
+template<typename T>
+struct dtor : public std::unary_function <T, void>
+{
+    void operator()(T &ptr) { delete ptr; }
+};
+
+template<typename T1, typename T2>
+struct dtor<std::pair<T1, T2> > :
+public std::unary_function <std::pair<T1, T2>, void>
+{
+    void operator()(std::pair<T1, T2> &pair) { delete pair.second; }
+};
+
+template<class Cont>
+inline dtor<typename Cont::value_type> make_dtor(Cont const&)
+{
+    return dtor<typename Cont::value_type>();
+}
+
+template<typename Container>
+inline void delete_all(Container &c)
+{
+    std::for_each(c.begin(), c.end(), make_dtor(c));
+}
+
+#endif
diff --git a/src/utils/gettext.h b/src/utils/gettext.h
new file mode 100644
index 000000000..feeb6595b
--- /dev/null
+++ b/src/utils/gettext.h
@@ -0,0 +1,44 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 2007-2009  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 UTILS_GETTEXT_H
+#define UTILS_GETTEXT_H
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <libintl.h>
+
+#if ENABLE_NLS
+
+#define _(s) (const_cast <char*>(gettext(s)))
+#define N_(s) (const_cast <char*>(s))
+
+#else
+
+#define gettext(s) (const_cast <char*>(s))
+#define _(s) (const_cast <char*>(s))
+#define N_(s) (const_cast <char*>(s))
+
+#endif
+
+#endif // UTILS_GETTEXT_H
diff --git a/src/utils/mathutils.h b/src/utils/mathutils.h
new file mode 100644
index 000000000..4917b5566
--- /dev/null
+++ b/src/utils/mathutils.h
@@ -0,0 +1,114 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 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 UTILS_MATHUTILS_H
+#define UTILS_MATHUTILS_H
+
+#include <stdint.h>
+
+static uint16_t crc_table[256] =
+{
+    0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
+    0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
+    0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
+    0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
+    0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
+    0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
+    0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
+    0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
+    0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
+    0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
+    0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
+    0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
+    0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
+    0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
+    0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
+    0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
+    0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
+    0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
+    0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
+    0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
+    0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
+    0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
+    0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
+    0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
+    0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
+    0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
+    0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
+    0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
+    0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
+    0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
+    0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
+    0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
+};
+
+inline uint16_t getCrc16(const std::string &str)
+{
+    size_t f = str.size();
+    uint16_t crc16 = 0xffff;
+
+    while (f != 0)
+    {
+        f --;
+        crc16 = static_cast<uint16_t>(
+            crc_table[(crc16 ^ (str[f])) & 0xff] ^ (crc16 >> 8));
+    }
+
+    return crc16;
+}
+
+/* A very fast function to calculate the approximate inverse square root of a
+ * floating point value and a helper function that uses it for getting the
+ * normal squareroot. For an explanation of the inverse squareroot function
+ * read:
+ * http://www.math.purdue.edu/~clomont/Math/Papers/2003/InvSqrt.pdf
+ *
+ * Unfortunately the original creator of this function seems to be unknown.
+ */
+
+inline float fastInvSqrt(float x)
+{
+    union { int i; float x; } tmp;
+    float xhalf = 0.5f * x;
+    tmp.x = x;
+    tmp.i = 0x5f375a86 - (tmp.i >> 1);
+    x = tmp.x;
+    x = x * (1.5f - xhalf * x * x);
+    return x;
+}
+
+inline float fastSqrt(float x)
+{
+    return 1.0f / fastInvSqrt(x);
+}
+
+inline float weightedAverage(float n1, float n2, float w)
+{
+    if (w < 0.0f)
+        return n1;
+
+    if (w > 1.0f)
+        return n2;
+
+    return w * n2 + (1.0f - w) * n1;
+}
+
+#endif // UTILS_MATHUTILS_H
diff --git a/src/utils/mkdir.cpp b/src/utils/mkdir.cpp
new file mode 100644
index 000000000..e7b126ae7
--- /dev/null
+++ b/src/utils/mkdir.cpp
@@ -0,0 +1,118 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 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 <climits>
+#include <cstring>
+#include <cerrno>
+
+#if defined WIN32
+#include <windows.h>
+#endif
+
+#include <sys/stat.h>
+
+#ifdef _MKDIR_TEST_
+// compile with -D_MKDIR_TEST_ to get a standalone binary
+#include <cstdio>
+#include <cstdlib>
+#endif
+
+#include "mkdir.h"
+
+int mkdir_r(const char *pathname)
+{
+    char tmp[PATH_MAX];
+    char *p;
+
+    if (strlen(pathname) >= PATH_MAX - 2)
+        return -1;
+
+    strncpy(tmp, pathname, sizeof(tmp) - 1);
+    tmp[PATH_MAX - 1] = '\0';
+
+    int len = strlen(tmp);
+
+    // terminate the pathname with '/'
+    if (tmp[len - 1] != '/')
+    {
+        tmp[len] = '/';
+        tmp[len + 1] = '\0';
+    }
+
+    for (p = tmp; *p; p++)
+    {
+#if defined WIN32
+        if (*p == '/' || *p == '\\')
+#else
+        if (*p == '/')
+#endif
+        {
+            *p = '\0';
+            // ignore a slash at the beginning of a path
+            if (strlen(tmp) == 0)
+            {
+                *p = '/';
+                continue;
+            }
+
+            // check if the name already exists, but not as directory
+            struct stat statbuf;
+            if (!stat(tmp, &statbuf))
+            {
+                if (S_ISDIR(statbuf.st_mode))
+                {
+                    *p = '/';
+                    continue;
+                }
+                else
+                    return -1;
+            }
+
+#if defined WIN32
+            if (!CreateDirectory(tmp, 0))
+#else
+            if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH))
+#endif
+            {
+#if defined WIN32
+                // hack, hack. just assume that x: might be a drive
+                // letter, and try again
+                if (!(strlen(tmp) == 2 &&
+                    !strcmp(tmp + 1, ":")))
+#endif
+                return -1;
+            }
+
+#ifdef _MKDIR_TEST_
+            printf("%s\n", tmp);
+#endif
+            *p = '/';
+        }
+    }
+    return 0;
+}
+
+#ifdef _MKDIR_TEST_
+int main(int argc, char** argv)
+{
+    if (argc < 2) exit(1);
+    mkdir_r(argv[1]);
+}
+#endif
diff --git a/src/utils/mkdir.h b/src/utils/mkdir.h
new file mode 100644
index 000000000..9369b4e7b
--- /dev/null
+++ b/src/utils/mkdir.h
@@ -0,0 +1,26 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 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 _MKDIR_H
+#define _MKDIR_H
+
+int mkdir_r(const char *pathname);
+
+#endif
diff --git a/src/utils/mutex.h b/src/utils/mutex.h
new file mode 100644
index 000000000..f98bcdfec
--- /dev/null
+++ b/src/utils/mutex.h
@@ -0,0 +1,97 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 2008-2009  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 MUTEX_H
+#define MUTEX_H
+
+#include "log.h"
+
+#include <SDL_thread.h>
+
+/**
+ * A mutex provides mutual exclusion of access to certain data that is
+ * accessed by multiple threads.
+ */
+class Mutex
+{
+public:
+    Mutex();
+    ~Mutex();
+
+    void lock();
+    void unlock();
+
+private:
+    Mutex(const Mutex&);  // prevent copying
+    Mutex& operator=(const Mutex&);
+
+    SDL_mutex *mMutex;
+};
+
+/**
+ * A convenience class for locking a mutex.
+ */
+class MutexLocker
+{
+public:
+    MutexLocker(Mutex *mutex);
+    ~MutexLocker();
+
+private:
+    Mutex *mMutex;
+};
+
+
+inline Mutex::Mutex()
+{
+    mMutex = SDL_CreateMutex();
+}
+
+inline Mutex::~Mutex()
+{
+    SDL_DestroyMutex(mMutex);
+}
+
+inline void Mutex::lock()
+{
+    if (SDL_mutexP(mMutex) == -1)
+        logger->log("Mutex locking failed: %s", SDL_GetError());
+}
+
+inline void Mutex::unlock()
+{
+    if (SDL_mutexV(mMutex) == -1)
+        logger->log("Mutex unlocking failed: %s", SDL_GetError());
+}
+
+
+inline MutexLocker::MutexLocker(Mutex *mutex):
+    mMutex(mutex)
+{
+    mMutex->lock();
+}
+
+inline MutexLocker::~MutexLocker()
+{
+    mMutex->unlock();
+}
+
+#endif // MUTEX_H
diff --git a/src/utils/sha256.cpp b/src/utils/sha256.cpp
new file mode 100644
index 000000000..29bbed29f
--- /dev/null
+++ b/src/utils/sha256.cpp
@@ -0,0 +1,294 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 2008-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *
+ *  This file has been slighly modified as 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/>.
+ */
+
+/*       +------------------------------------+
+ *       | Inspire Internet Relay Chat Daemon |
+ *       +------------------------------------+
+ *
+ *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
+ * This program is free but copyrighted software; see
+ *            the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+/* m_sha256 - Based on m_opersha256 written by Special <john@yarbbles.com>
+ * Modified and improved by Craig Edwards, December 2006.
+ *
+ *
+ * FIPS 180-2 SHA-224/256/384/512 implementation
+ * Last update: 05/23/2005
+ * Issue date:  04/30/2005
+ *
+ * Copyright (C) 2005 Olivier Gay <olivier.gay@a3.epfl.ch>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "utils/sha256.h"
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <memory.h>
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#else
+typedef unsigned char uint8_t;
+typedef unsigned int uint32_t;
+#endif
+
+#define SHA256_BLOCK_SIZE  (512 / 8)
+
+/** An sha 256 context, used by original m_opersha256 */
+class SHA256Context
+{
+    public:
+        unsigned int tot_len;
+        unsigned int len;
+        unsigned char block[2 * SHA256_BLOCK_SIZE];
+        uint32_t h[8];
+};
+
+#define SHA256_DIGEST_SIZE (256 / 8)
+
+#define SHFR(x, n)    (x >> n)
+#define ROTR(x, n)   ((x >> n) | (x << ((sizeof(x) << 3) - n)))
+#define ROTL(x, n)   ((x << n) | (x >> ((sizeof(x) << 3) - n)))
+#define CH(x, y, z)  ((x & y) ^ (~x & z))
+#define MAJ(x, y, z) ((x & y) ^ (x & z) ^ (y & z))
+
+#define SHA256_F1(x) (ROTR(x,  2) ^ ROTR(x, 13) ^ ROTR(x, 22))
+#define SHA256_F2(x) (ROTR(x,  6) ^ ROTR(x, 11) ^ ROTR(x, 25))
+#define SHA256_F3(x) (ROTR(x,  7) ^ ROTR(x, 18) ^ SHFR(x,  3))
+#define SHA256_F4(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHFR(x, 10))
+
+#define UNPACK32(x, str)               \
+{                     \
+    *((str) + 3) = (uint8_t) ((x)      );      \
+    *((str) + 2) = (uint8_t) ((x) >>  8);      \
+    *((str) + 1) = (uint8_t) ((x) >> 16);      \
+    *((str) + 0) = (uint8_t) ((x) >> 24);      \
+}
+
+#define PACK32(str, x)           \
+{                         \
+    *(x) = ((uint32_t) *((str) + 3)      )     \
+    | ((uint32_t) *((str) + 2) <<  8)     \
+    | ((uint32_t) *((str) + 1) << 16)     \
+    | ((uint32_t) *((str) + 0) << 24);    \
+}
+
+/* Macros used for loops unrolling */
+
+#define SHA256_SCR(i)         \
+{                         \
+    w[i] =  SHA256_F4(w[i - 2]) + w[i - 7]     \
+    + SHA256_F3(w[i - 15]) + w[i - 16];  \
+}
+
+const unsigned int sha256_h0[8] =
+{
+    0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
+    0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
+};
+
+uint32_t sha256_k[64] =
+{
+    0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
+    0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+    0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
+    0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+    0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
+    0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+    0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
+    0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+    0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
+    0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+    0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
+    0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+    0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
+    0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+    0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
+    0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
+};
+
+void SHA256Init(SHA256Context *ctx);
+
+void SHA256Transform(SHA256Context *ctx,
+                     unsigned char *message,
+                     unsigned int block_nb);
+
+void SHA256Update(SHA256Context *ctx,
+                  unsigned char *message,
+                  unsigned int len);
+
+void SHA256Final(SHA256Context *ctx, unsigned char *digest);
+
+std::string SHA256Hash(const char *src, int len);
+
+void SHA256Init(SHA256Context *ctx)
+{
+    for (int i = 0; i < 8; i++)
+        ctx->h[i] = sha256_h0[i];
+    ctx->len = 0;
+    ctx->tot_len = 0;
+}
+
+void SHA256Transform(SHA256Context *ctx,
+                     unsigned char *message,
+                     unsigned int block_nb)
+{
+    uint32_t w[64];
+    uint32_t wv[8];
+    unsigned char *sub_block;
+    for (unsigned int i = 1; i <= block_nb; i++)
+    {
+        int j;
+        sub_block = message + ((i - 1) << 6);
+
+        for (j = 0; j < 16; j++)
+            PACK32(&sub_block[j << 2], &w[j]);
+        for (j = 16; j < 64; j++)
+            SHA256_SCR(j);
+        for (j = 0; j < 8; j++)
+            wv[j] = ctx->h[j];
+        for (j = 0; j < 64; j++)
+        {
+            uint32_t t1 = wv[7] + SHA256_F2(wv[4]) + CH(wv[4], wv[5], wv[6]) + sha256_k[j] + w[j];
+            uint32_t t2 = SHA256_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]);
+            wv[7] = wv[6];
+            wv[6] = wv[5];
+            wv[5] = wv[4];
+            wv[4] = wv[3] + t1;
+            wv[3] = wv[2];
+            wv[2] = wv[1];
+            wv[1] = wv[0];
+            wv[0] = t1 + t2;
+        }
+        for (j = 0; j < 8; j++)
+            ctx->h[j] += wv[j];
+    }
+}
+
+void SHA256Update(SHA256Context *ctx,
+                  unsigned char *message,
+                  unsigned int len)
+{
+    /*
+    * XXX here be dragons!
+    * After many hours of pouring over this, I think I've found the problem.
+    * When Special created our module from the reference one, he used:
+    *
+    *     unsigned int rem_len = SHA256_BLOCK_SIZE - ctx->len;
+    *
+    * instead of the reference's version of:
+    *
+    *     unsigned int tmp_len = SHA256_BLOCK_SIZE - ctx->len;
+    *     unsigned int rem_len = len < tmp_len ? len : tmp_len;
+    *
+    * I've changed back to the reference version of this code, and it seems to work with no errors.
+    * So I'm inclined to believe this was the problem..
+    *             -- w00t (January 06, 2008)
+    */
+    unsigned int tmp_len = SHA256_BLOCK_SIZE - ctx->len;
+    unsigned int rem_len = len < tmp_len ? len : tmp_len;
+
+    memcpy(&ctx->block[ctx->len], message, rem_len);
+    if (ctx->len + len < SHA256_BLOCK_SIZE)
+    {
+        ctx->len += len;
+        return;
+    }
+    unsigned int new_len = len - rem_len;
+    unsigned int block_nb = new_len / SHA256_BLOCK_SIZE;
+    unsigned char *shifted_message = message + rem_len;
+    SHA256Transform(ctx, ctx->block, 1);
+    SHA256Transform(ctx, shifted_message, block_nb);
+    rem_len = new_len % SHA256_BLOCK_SIZE;
+    memcpy(ctx->block, &shifted_message[block_nb << 6],rem_len);
+    ctx->len = rem_len;
+    ctx->tot_len += (block_nb + 1) << 6;
+}
+
+void SHA256Final(SHA256Context *ctx, unsigned char *digest)
+{
+    unsigned int block_nb = (1 + ((SHA256_BLOCK_SIZE - 9) < (ctx->len % SHA256_BLOCK_SIZE)));
+    unsigned int len_b = (ctx->tot_len + ctx->len) << 3;
+    unsigned int pm_len = block_nb << 6;
+    memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
+    ctx->block[ctx->len] = 0x80;
+    UNPACK32(len_b, ctx->block + pm_len - 4);
+    SHA256Transform(ctx, ctx->block, block_nb);
+    for (int i = 0 ; i < 8; i++)
+        UNPACK32(ctx->h[i], &digest[i << 2]);
+}
+
+std::string SHA256Hash(const char *src, int len)
+{
+    // Generate the hash
+    unsigned char bytehash[SHA256_DIGEST_SIZE];
+    SHA256Context ctx;
+    SHA256Init(&ctx);
+    SHA256Update(&ctx, (unsigned char *)src, (unsigned int)len);
+    SHA256Final(&ctx, bytehash);
+    // Convert it to hex
+    const char* hxc = "0123456789abcdef";
+    std::string hash = "";
+    for (int i = 0; i < SHA256_DIGEST_SIZE; i++)
+    {
+        hash += hxc[bytehash[i] / 16];
+        hash += hxc[bytehash[i] % 16];
+    }
+    return hash;
+}
+
+std::string sha256(const std::string &string)
+{
+    return SHA256Hash(string.c_str(), string.length());
+}
diff --git a/src/utils/sha256.h b/src/utils/sha256.h
new file mode 100644
index 000000000..1248e8ddd
--- /dev/null
+++ b/src/utils/sha256.h
@@ -0,0 +1,35 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 2007-2009  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 UTILS_SHA256_H
+#define UTILS_SHA256_H
+
+#include <string>
+
+/**
+ * Returns the SHA-256 hash for the given string.
+ *
+ * @param string the string to create the SHA-256 hash for
+ * @return the SHA-256 hash for the given string.
+ */
+std::string sha256(const std::string &string);
+
+#endif // UTILS_SHA256_H
diff --git a/src/utils/specialfolder.cpp b/src/utils/specialfolder.cpp
new file mode 100644
index 000000000..646077161
--- /dev/null
+++ b/src/utils/specialfolder.cpp
@@ -0,0 +1,78 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 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/>.
+ */
+
+#ifdef WIN32
+#include "specialfolder.h"
+#include <windows.h>
+
+#ifdef _SPECIALFOLDERLOCATION_TEST_
+// compile with -D_SPECIALFOLDERLOCATION_TEST_ to get a standalone
+// binary for testing
+#include <iostream>
+#endif
+
+/*
+ * Retrieve the pathname of special folders on win32, or an empty string
+ * on error / if the folder does not exist.
+ * See http://msdn.microsoft.com/en-us/library/bb762494(VS.85).aspx for
+ * a list of folder ids
+ */
+std::string getSpecialFolderLocation(int folderId)
+{
+    std::string ret;
+    LPITEMIDLIST pItemIdList;
+    LPMALLOC pMalloc;
+    char szPath[_MAX_PATH];
+
+    // get the item ID list for folderId
+    HRESULT hr = SHGetSpecialFolderLocation(NULL, folderId, &pItemIdList);
+    if (hr != S_OK)
+        return ret;
+
+    // convert the ID list into a file system path
+    if (SHGetPathFromIDList(pItemIdList, szPath) == FALSE)
+        return ret;
+
+    // get the IMalloc pointer and free all resources we used
+    hr = SHGetMalloc(&pMalloc);
+    pMalloc->Free(pItemIdList);
+    pMalloc->Release();
+
+    ret = szPath;
+    return ret;
+}
+
+#ifdef _SPECIALFOLDERLOCATION_TEST_
+int main()
+{
+    std::cout << "APPDATA " << getSpecialFolderLocation(CSIDL_APPDATA)
+              << std::endl;
+    std::cout << "DESKTOP " << getSpecialFolderLocation(CSIDL_DESKTOP)
+              << std::endl;
+    std::cout << "LOCAL_APPDATA "
+              << getSpecialFolderLocation(CSIDL_LOCAL_APPDATA)
+              << std::endl;
+    std::cout << "MYPICTURES " << getSpecialFolderLocation(CSIDL_MYPICTURES)
+              << std::endl;
+    std::cout << "PERSONAL " << getSpecialFolderLocation(CSIDL_PERSONAL)
+              << std::endl;
+}
+#endif
+#endif
diff --git a/src/utils/specialfolder.h b/src/utils/specialfolder.h
new file mode 100644
index 000000000..c2c2e0bea
--- /dev/null
+++ b/src/utils/specialfolder.h
@@ -0,0 +1,30 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 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 _SPECIALFOLDER_H
+#define _SPECIALFOLDER_H
+
+#ifdef WIN32
+#include <shlobj.h>
+#include <string>
+std::string getSpecialFolderLocation(int folderId);
+#endif
+
+#endif
diff --git a/src/utils/stringutils.cpp b/src/utils/stringutils.cpp
new file mode 100644
index 000000000..e69b03937
--- /dev/null
+++ b/src/utils/stringutils.cpp
@@ -0,0 +1,360 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 2007-2009  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 "utils/stringutils.h"
+
+#include <string.h>
+#include <algorithm>
+#include <cstdarg>
+#include <cstdio>
+#include <list>
+
+static int UTF8_MAX_SIZE = 10;
+
+std::string &trim(std::string &str)
+{
+    std::string::size_type pos = str.find_last_not_of(' ');
+    if (pos != std::string::npos)
+    {
+        str.erase(pos + 1);
+        pos = str.find_first_not_of(' ');
+
+        if (pos != std::string::npos)
+            str.erase(0, pos);
+    }
+    else
+    {
+        // There is nothing else but whitespace in the string
+        str.clear();
+    }
+    return str;
+}
+
+std::string &toLower(std::string &str)
+{
+    std::transform(str.begin(), str.end(), str.begin(), tolower);
+    return str;
+}
+
+std::string &toUpper(std::string &str)
+{
+    std::transform(str.begin(), str.end(), str.begin(), toupper);
+    return str;
+}
+
+unsigned int atox(const std::string &str)
+{
+    unsigned int value;
+    sscanf(str.c_str(), "0x%06x", &value);
+
+    return value;
+}
+
+const char *ipToString(int address)
+{
+    static char asciiIP[18];
+
+    sprintf(asciiIP, "%i.%i.%i.%i",
+            (unsigned char)(address),
+            (unsigned char)(address >> 8),
+            (unsigned char)(address >> 16),
+            (unsigned char)(address >> 24));
+
+    return asciiIP;
+}
+
+std::string strprintf(char const *format, ...)
+{
+    char buf[257];
+    va_list(args);
+    va_start(args, format);
+    int nb = vsnprintf(buf, 256, format, args);
+    va_end(args);
+    if (nb < 256)
+        return buf;
+
+    // The static size was not big enough, try again with a dynamic allocation.
+    ++nb;
+    char *buf2 = new char[nb];
+    va_start(args, format);
+    vsnprintf(buf2, nb, format, args);
+    va_end(args);
+    std::string res(buf2);
+    delete [] buf2;
+    return res;
+}
+
+std::string &removeBadChars(std::string &str)
+{
+    std::string::size_type pos;
+    do
+    {
+        pos = str.find_first_of("@#[]");
+        if (pos != std::string::npos)
+            str.erase(pos, 1);
+    }
+    while (pos != std::string::npos);
+
+    return str;
+}
+
+std::string removeColors(std::string msg)
+{
+    for (unsigned int f = 0; f < msg.length() - 2 && msg.length() > 2; f++)
+    {
+        while (msg.length() > f + 2 && msg.at(f) == '#'
+               && msg.at(f + 1) == '#')
+        {
+            msg = msg.erase(f, 3);
+        }
+    }
+    return msg;
+}
+
+int compareStrI(const std::string &a, const std::string &b)
+{
+    std::string::const_iterator itA = a.begin();
+    std::string::const_iterator endA = a.end();
+    std::string::const_iterator itB = b.begin();
+    std::string::const_iterator endB = b.end();
+
+    for (; itA < endA, itB < endB; ++itA, ++itB)
+    {
+        int comp = tolower(*itA) - tolower(*itB);
+        if (comp)
+            return comp;
+    }
+
+    // Check string lengths
+    if (itA == endA && itB == endB)
+        return 0;
+    else if (itA == endA)
+        return -1;
+    else
+        return 1;
+}
+
+
+bool isWordSeparator(char chr)
+{
+    return (chr == ' ' || chr == ',' || chr == '.' || chr == '"');
+}
+
+const std::string findSameSubstring(const std::string &str1,
+                                    const std::string &str2)
+{
+    int minLength = str1.length() > str2.length()
+        ? static_cast<int>(str2.length()) : static_cast<int>(str1.length());
+    for (int f = 0; f < minLength; f ++)
+    {
+        if (str1.at(f) != str2.at(f))
+            return str1.substr(0, f);
+    }
+    return str1.substr(0, minLength);
+}
+
+unsigned long findI(std::string str, std::string subStr)
+{
+    str = toLower(str);
+    subStr = toLower(subStr);
+    return str.find(subStr);
+}
+
+unsigned long findI(std::string str, std::list<std::string> &list)
+{
+    str = toLower(str);
+    unsigned long idx;
+    for (std::list<std::string>::iterator i = list.begin();
+         i != list.end(); i++)
+    {
+        std::string subStr = toLower(*i);
+        idx = str.find(subStr);
+        if (idx != std::string::npos)
+            return idx;
+    }
+    return std::string::npos;
+}
+
+int base = 94;
+int start = 33;
+
+const std::string encodeStr(unsigned int value, unsigned int size)
+{
+    std::string buf;
+
+    do
+    {
+        buf += static_cast<char>(value % base + start);
+        value /= base;
+    }
+    while (value);
+
+    while (buf.length() < size)
+        buf += (char)start;
+    return buf;
+}
+
+
+unsigned int decodeStr(const std::string &str)
+{
+    if (str.empty())
+        return 0;
+
+    int res = str[0] - start;
+    int mult = 1;
+    for (unsigned int f = 1; f < str.length(); f ++)
+    {
+        mult *= base;
+        res = res + (str[f] - start) * mult;
+    }
+    return res;
+}
+
+std::string extractNameFromSprite(std::string str)
+{
+    size_t pos1 = str.rfind(".");
+    if (pos1 != std::string::npos)
+    {
+        size_t pos2 = str.rfind("/");
+        size_t pos3 = str.rfind("\\");
+        if (pos3 != std::string::npos)
+        {
+            if (pos2 == std::string::npos || pos3 > pos2)
+                pos2 = pos3;
+        }
+        if (pos2 == std::string::npos)
+            pos2 = -1;
+
+        int size = static_cast<int>(pos1) - static_cast<int>(pos2) - 1;
+        if (size > 0)
+            str = str.substr(pos2 + 1, size);
+    }
+    return str;
+}
+
+std::string removeSpriteIndex(std::string str)
+{
+    size_t pos1 = str.rfind("[");
+
+    if (pos1 != std::string::npos)
+    {
+        size_t pos2 = str.rfind("/");
+        size_t pos3 = str.rfind("\\");
+        if (pos3 != std::string::npos)
+        {
+            if (pos2 == std::string::npos || pos3 > pos2)
+                pos2 = pos3;
+        }
+        if (pos2 == std::string::npos)
+            pos2 = -1;
+
+        int size = static_cast<int>(pos1) - static_cast<int>(pos2) - 1;
+        if (size > 0)
+            str = str.substr(pos2 + 1, size);
+    }
+    return str;
+}
+
+const char* getSafeUtf8String(std::string text)
+{
+    int size = static_cast<int>(text.size()) + UTF8_MAX_SIZE;
+    char* buf = new char[size];
+    memcpy(buf, text.c_str(), text.size());
+    memset(buf + text.size(), 0, UTF8_MAX_SIZE);
+    return buf;
+}
+
+void getSafeUtf8String(std::string text, char *buf)
+{
+    int size = static_cast<int>(text.size()) + UTF8_MAX_SIZE;
+    if (size > 65500)
+        text = text.substr(0, 65500);
+    memcpy(buf, text.c_str(), text.size());
+    memset(buf + text.size(), 0, UTF8_MAX_SIZE);
+    return;
+}
+
+std::string getFileName(std::string path)
+{
+    size_t pos = path.rfind("/");
+    if (pos == std::string::npos)
+        pos = path.rfind("\\");
+    if (pos == std::string::npos)
+        return path;
+    return path.substr(pos + 1);
+}
+
+std::string& replaceAll(std::string& context, const std::string& from,
+                        const std::string& to)
+{
+    size_t lookHere = 0;
+    size_t foundHere;
+    while ((foundHere = context.find(from, lookHere)) != std::string::npos)
+    {
+        context.replace(foundHere, from.size(), to);
+        lookHere = foundHere + to.size();
+    }
+    return context;
+}
+
+bool getBoolFromString(const std::string &text)
+{
+    std::string txt = text;
+    toLower(trim(txt));
+    if (txt == "true" || txt == "yes" || txt == "on" || txt == "1")
+        return true;
+    else if (txt == "false" || txt == "no" || txt == "off" || txt == "0")
+        return false;
+    else
+        return (bool) atoi(txt.c_str());
+}
+
+void replaceSpecialChars(std::string &text)
+{
+    size_t idx = 0;
+    size_t pos1 = text.find("&");
+    while (pos1 != std::string::npos)
+    {
+        idx = pos1 + 1;
+        if (idx >= text.size())
+            break;
+
+        unsigned f;
+        for (f = idx; f < text.size(); f ++)
+        {
+            if (text[f] < '0' || text[f] > '9')
+                break;
+        }
+        if (idx + 1 < f && text[f] == ';')
+        {
+            std::string str = " ";
+            str[0] = (char)atoi(text.substr(idx, f - idx).c_str());
+            text = text.substr(0, pos1) + str + text.substr(f + 1);
+            pos1 += 1;
+        }
+        else
+        {
+            pos1 = f + 1;
+        }
+
+        pos1 = text.find("&", pos1);
+    }
+}
\ No newline at end of file
diff --git a/src/utils/stringutils.h b/src/utils/stringutils.h
new file mode 100644
index 000000000..4532a5b00
--- /dev/null
+++ b/src/utils/stringutils.h
@@ -0,0 +1,159 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 2007-2009  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 UTILS_STRINGUTILS_H
+#define UTILS_STRINGUTILS_H
+
+#include <string>
+#include <sstream>
+#include <list>
+
+/**
+ * Trims spaces off the end and the beginning of the given string.
+ *
+ * @param str the string to trim spaces off
+ * @return a reference to the trimmed string
+ */
+std::string &trim(std::string &str);
+
+/**
+ * Converts the given string to lower case.
+ *
+ * @param str the string to convert to lower case
+ * @return a reference to the given string converted to lower case
+ */
+std::string &toLower(std::string &str);
+
+/**
+ * Converts the given string to upper case.
+ *
+ * @param str the string to convert to upper case
+ * @return a reference to the given string converted to upper case
+ */
+std::string &toUpper(std::string &str);
+
+
+/**
+ * Converts an ascii hexidecimal string to an integer
+ *
+ * @param str the hex string to convert to an int
+ * @return the integer representation of the hex string
+ */
+unsigned int atox(const std::string &str);
+
+/**
+ * Converts the given value to a string using std::stringstream.
+ *
+ * @param arg the value to convert to a string
+ * @return the string representation of arg
+ */
+template<typename T> std::string toString(const T &arg)
+{
+    std::stringstream ss;
+    ss << arg;
+    return ss.str();
+}
+
+/**
+ * Converts the given IP address to a string.
+ *
+ * The returned string is statically allocated, and shouldn't be freed. It is
+ * changed upon the next use of this method.
+ *
+ * @param address the address to convert to a string
+ * @return the string representation of the address
+ */
+const char *ipToString(int address);
+
+/**
+ * A safe version of sprintf that returns a std::string of the result.
+ */
+std::string strprintf(char const *, ...)
+#ifdef __GNUC__
+    /* This attribute is nice: it even works through gettext invokation. For
+       example, gcc will complain that strprintf(_("%s"), 42) is ill-formed. */
+    __attribute__((__format__(__printf__, 1, 2)))
+#endif
+;
+
+/**
+ * Removes bad characters from a string
+ *
+ * @param str the string to remove the bad chars from
+ * @return a reference to the string without bad chars
+ */
+std::string &removeBadChars(std::string &str);
+
+/**
+ * Removes colors from a string
+ *
+ * @param msg the string to remove the colors from
+ * @return string without colors
+ */
+std::string removeColors(std::string msg);
+
+bool isWordSeparator(char chr);
+
+const std::string findSameSubstring(const std::string &str1,
+                                    const std::string &str2);
+
+/**
+ * Compares the two strings case-insensitively.
+ *
+ * @param a the first string in the comparison
+ * @param b the second string in the comparison
+ * @return 0 if the strings are equal, positive if the first is greater,
+ *           negative if the second is greater
+ */
+int compareStrI(const std::string &a, const std::string &b);
+
+unsigned long findI(std::string str, std::string subStr);
+
+unsigned long findI(std::string str, std::list<std::string> &list);
+
+const std::string encodeStr(unsigned int value, unsigned int size = 0);
+
+unsigned int decodeStr(const std::string &str);
+
+std::string extractNameFromSprite(std::string str);
+
+std::string removeSpriteIndex(std::string str);
+
+const char* getSafeUtf8String(std::string text);
+
+void getSafeUtf8String(std::string text, char *buf);
+
+std::string getFileName(std::string path);
+
+std::string& replaceAll(std::string& context, const std::string& from,
+                        const std::string& to);
+
+/**
+ * Returns a bool value depending on the given string value.
+ *
+ * @param text the string used to get the bool value
+ * @return a boolean value..
+ */
+bool getBoolFromString(const std::string &text);
+
+void replaceSpecialChars(std::string &text);
+
+#endif // UTILS_STRINGUTILS_H
diff --git a/src/utils/xml.cpp b/src/utils/xml.cpp
new file mode 100644
index 000000000..9521f377d
--- /dev/null
+++ b/src/utils/xml.cpp
@@ -0,0 +1,164 @@
+/*
+ *  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 "utils/xml.h"
+
+#include "log.h"
+
+#include "resources/resourcemanager.h"
+
+#include <iostream>
+#include <fstream>
+#include <cstring>
+
+namespace XML
+{
+    Document::Document(const std::string &filename, bool useResman):
+        mDoc(0)
+    {
+        int size;
+        char *data = NULL;
+        if (useResman)
+        {
+            ResourceManager *resman = ResourceManager::getInstance();
+            data = (char*) resman->loadFile(filename.c_str(), size);
+        }
+        else
+        {
+            std::ifstream file;
+            file.open(filename.c_str(), std::ios::in);
+
+            if (file.is_open())
+            {
+                // Get length of file
+                file.seekg (0, std::ios::end);
+                size = static_cast<int>(file.tellg());
+                file.seekg(0, std::ios::beg);
+
+                data = (char*) malloc(size);
+
+                file.read(data, size);
+                file.close();
+            }
+            else
+            {
+                logger->log("Error loading XML file %s", filename.c_str());
+            }
+        }
+
+        if (data)
+        {
+            mDoc = xmlParseMemory(data, size);
+            free(data);
+
+            if (!mDoc)
+                logger->log("Error parsing XML file %s", filename.c_str());
+        }
+        else
+        {
+            logger->log("Error loading %s", filename.c_str());
+        }
+    }
+
+    Document::Document(const char *data, int size)
+    {
+        if (data)
+            mDoc = xmlParseMemory(data, size);
+        else
+            mDoc = 0;
+    }
+
+    Document::~Document()
+    {
+        if (mDoc)
+            xmlFreeDoc(mDoc);
+    }
+
+    xmlNodePtr Document::rootNode()
+    {
+        return mDoc ? xmlDocGetRootElement(mDoc) : 0;
+    }
+
+    int getProperty(xmlNodePtr node, const char* name, int def)
+    {
+        int &ret = def;
+
+        xmlChar *prop = xmlGetProp(node, BAD_CAST name);
+        if (prop)
+        {
+            ret = atoi((char*)prop);
+            xmlFree(prop);
+        }
+
+        return ret;
+    }
+
+    double getFloatProperty(xmlNodePtr node, const char* name, double def)
+    {
+        double &ret = def;
+
+        xmlChar *prop = xmlGetProp(node, BAD_CAST name);
+        if (prop)
+        {
+            ret = atof((char*)prop);
+            xmlFree(prop);
+        }
+
+        return ret;
+    }
+
+    std::string getProperty(xmlNodePtr node, const char *name,
+                            const std::string &def)
+    {
+        xmlChar *prop = xmlGetProp(node, BAD_CAST name);
+        if (prop)
+        {
+            std::string val = (char*)prop;
+            xmlFree(prop);
+            return val;
+        }
+
+        return def;
+    }
+
+    bool getBoolProperty(xmlNodePtr node, const char* name, bool def)
+    {
+        xmlChar *prop = xmlGetProp(node, BAD_CAST name);
+
+        if (xmlStrEqual(prop, BAD_CAST "true" ))
+            return true;
+        if (xmlStrEqual(prop, BAD_CAST "false"))
+            return false;
+        return def;
+    }
+
+    xmlNodePtr findFirstChildByName(xmlNodePtr parent, const char *name)
+    {
+        for_each_xml_child_node(child, parent)
+        {
+            if (xmlStrEqual(child->name, BAD_CAST name))
+                return child;
+        }
+
+        return NULL;
+    }
+
+} // namespace XML
diff --git a/src/utils/xml.h b/src/utils/xml.h
new file mode 100644
index 000000000..253c4e094
--- /dev/null
+++ b/src/utils/xml.h
@@ -0,0 +1,101 @@
+/*
+ *  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 XML_H
+#define XML_H
+
+#include <libxml/tree.h>
+
+#include <string>
+
+/**
+ * XML helper functions.
+ */
+namespace XML
+{
+    /**
+     * A helper class for parsing an XML document, which also cleans it up
+     * again (RAII).
+     */
+    class Document
+    {
+        public:
+            /**
+             * Constructor that attempts to load the given file through the
+             * resource manager. Logs errors.
+             */
+            Document(const std::string &filename, bool useResman = true);
+
+            /**
+             * Constructor that attempts to load an XML document from memory.
+             * Does not log errors.
+             *
+             * @param data the string to parse as XML
+             * @param size the length of the string in bytes
+             */
+            Document(const char *data, int size);
+
+            /**
+             * Destructor. Frees the loaded XML file.
+             */
+            ~Document();
+
+            /**
+             * Returns the root node of the document (or NULL if there was a
+             * load error).
+             */
+            xmlNodePtr rootNode();
+
+        private:
+            xmlDocPtr mDoc;
+    };
+
+    /**
+     * Gets an floating point property from an xmlNodePtr.
+     */
+    double getFloatProperty(xmlNodePtr node, const char *name, double def);
+
+    /**
+     * Gets an integer property from an xmlNodePtr.
+     */
+    int getProperty(xmlNodePtr node, const char *name, int def);
+
+    /**
+     * Gets a string property from an xmlNodePtr.
+     */
+    std::string getProperty(xmlNodePtr node, const char *name,
+                            const std::string &def);
+
+    /**
+     * Gets a boolean property from an xmlNodePtr.
+     */
+    bool getBoolProperty(xmlNodePtr node, const char *name, bool def);
+
+    /**
+     * Finds the first child node with the given name
+     */
+    xmlNodePtr findFirstChildByName(xmlNodePtr parent, const char *name);
+}
+
+#define for_each_xml_child_node(var, parent) \
+    for (xmlNodePtr var = parent->xmlChildrenNode; var; var = var->next)
+
+#endif // XML_H