diff --git a/modules/client_entergame/entergame.lua b/modules/client_entergame/entergame.lua
index 9015f198..9b64ddfe 100644
--- a/modules/client_entergame/entergame.lua
+++ b/modules/client_entergame/entergame.lua
@@ -35,7 +35,7 @@ end
 
 local function onCharacterList(protocol, characters, account, otui)
   -- Try add server to the server list
-  ServerList.add(G.host, G.port, g_game.getProtocolVersion())
+  ServerList.add(G.host, G.port, g_game.getClientVersion())
 
   if enterGame:getChildById('rememberPasswordBox'):isChecked() then
     local account = g_crypt.encrypt(G.account)
@@ -82,7 +82,7 @@ local function onUpdateNeeded(protocol, signature)
     local cancelFunc = EnterGame.show
     EnterGame.updateFunc(signature, continueFunc, cancelFunc)
   else
-    local errorBox = displayErrorBox(tr('Update needed'), tr('Your client needs update, try redownloading it.'))
+    local errorBox = displayErrorBox(tr('Update needed'), tr('Your client needs updating, try redownloading it.'))
     connect(errorBox, { onOk = EnterGame.show })
   end
 end
@@ -242,7 +242,7 @@ function EnterGame.doLogin()
 
   g_game.chooseRsa(G.host)
   g_game.setClientVersion(clientVersion)
-  g_game.setProtocolVersion(g_game.getProtocolVersionForClient(clientVersion))
+  g_game.setProtocolVersion(g_game.getClientProtocolVersion(clientVersion))
 
   if modules.game_things.isLoaded() then
     protocolLogin:login(G.host, G.port, G.account, G.password)
diff --git a/modules/game_console/console.lua b/modules/game_console/console.lua
index 924c4bf5..63768b96 100644
--- a/modules/game_console/console.lua
+++ b/modules/game_console/console.lua
@@ -324,7 +324,7 @@ end
 
 function openHelp()
   local helpChannel = 9
-  if g_game.getProtocolVersion() <= 810 then
+  if g_game.getClientVersion() <= 810 then
     helpChannel = 8
   end
   g_game.joinChannel(helpChannel)
@@ -1236,7 +1236,7 @@ function online()
   defaultTab = addTab(tr('Default'), true)
   serverTab = addTab(tr('Server Log'), false)
 
-  if g_game.getProtocolVersion() < 862 then
+  if g_game.getClientVersion() < 862 then
     g_keyboard.bindKeyDown('Ctrl+R', openPlayerReportRuleViolationWindow)
   end
   -- open last channels
@@ -1259,7 +1259,7 @@ function online()
 end
 
 function offline()
-  if g_game.getProtocolVersion() < 862 then
+  if g_game.getClientVersion() < 862 then
     g_keyboard.unbindKeyDown('Ctrl+R')
   end
   clear()
diff --git a/modules/game_hotkeys/hotkeys_manager.lua b/modules/game_hotkeys/hotkeys_manager.lua
index e1effdc0..7ffa86a7 100644
--- a/modules/game_hotkeys/hotkeys_manager.lua
+++ b/modules/game_hotkeys/hotkeys_manager.lua
@@ -382,7 +382,7 @@ function doKeyCombo(keyCombo)
       modules.game_console.setTextEditText(hotKey.value)
     end
   elseif hotKey.useType == HOTKEY_MANAGER_USE then
-    if g_game.getProtocolVersion() < 780 or hotKey.subType then
+    if g_game.getClientVersion() < 780 or hotKey.subType then
       local item = g_game.findPlayerItem(hotKey.itemId, hotKey.subType or -1)
       if item then
         g_game.use(item)
@@ -391,7 +391,7 @@ function doKeyCombo(keyCombo)
       g_game.useInventoryItem(hotKey.itemId)
     end
   elseif hotKey.useType == HOTKEY_MANAGER_USEONSELF then
-    if g_game.getProtocolVersion() < 780 or hotKey.subType then
+    if g_game.getClientVersion() < 780 or hotKey.subType then
       local item = g_game.findPlayerItem(hotKey.itemId, hotKey.subType or -1)
       if item then
         g_game.useWith(item, g_game.getLocalPlayer())
@@ -403,7 +403,7 @@ function doKeyCombo(keyCombo)
     local attackingCreature = g_game.getAttackingCreature()
     if not attackingCreature then
       local item = Item.create(hotKey.itemId)
-      if g_game.getProtocolVersion() < 780 or hotKey.subType then
+      if g_game.getClientVersion() < 780 or hotKey.subType then
         local tmpItem = g_game.findPlayerItem(hotKey.itemId, hotKey.subType or -1)
         if not tmpItem then return end
         item = tmpItem
@@ -414,7 +414,7 @@ function doKeyCombo(keyCombo)
     end
 
     if not attackingCreature:getTile() then return end
-    if g_game.getProtocolVersion() < 780 or hotKey.subType then
+    if g_game.getClientVersion() < 780 or hotKey.subType then
       local item = g_game.findPlayerItem(hotKey.itemId, hotKey.subType or -1)
       if item then
         g_game.useWith(item, attackingCreature)
@@ -424,7 +424,7 @@ function doKeyCombo(keyCombo)
     end
   elseif hotKey.useType == HOTKEY_MANAGER_USEWITH then
     local item = Item.create(hotKey.itemId)
-    if g_game.getProtocolVersion() < 780 or hotKey.subType then
+    if g_game.getClientVersion() < 780 or hotKey.subType then
       local tmpItem = g_game.findPlayerItem(hotKey.itemId, hotKey.subType or -1)
       if not tmpItem then return true end
       item = tmpItem
diff --git a/modules/game_market/marketprotocol.lua b/modules/game_market/marketprotocol.lua
index 1caac3c7..5dd28129 100644
--- a/modules/game_market/marketprotocol.lua
+++ b/modules/game_market/marketprotocol.lua
@@ -39,14 +39,14 @@ end
 -- parsing protocols
 local function parseMarketEnter(protocol, msg)
   local balance
-  if g_game.getProtocolVersion() >= 973 then
+  if g_game.getClientVersion() >= 981 then
     balance = msg:getU64()
   else
     balance = msg:getU32()
   end
 
   local vocation = -1
-  if g_game.getProtocolVersion() < 950 then
+  if g_game.getClientVersion() < 950 then
     vocation = msg:getU8() -- get vocation id
   end
   local offers = msg:getU8()
diff --git a/modules/game_minimap/minimap.lua b/modules/game_minimap/minimap.lua
index ecdd7904..86665903 100644
--- a/modules/game_minimap/minimap.lua
+++ b/modules/game_minimap/minimap.lua
@@ -8,7 +8,8 @@ oldZoom = nil
 oldPos = nil
 
 function init()
-  minimapButton = modules.client_topmenu.addRightGameToggleButton('minimapButton', tr('Minimap') .. ' (Ctrl+M)', '/images/topbuttons/minimap', toggle)
+  minimapButton = modules.client_topmenu.addRightGameToggleButton('minimapButton', 
+    tr('Minimap') .. ' (Ctrl+M)', '/images/topbuttons/minimap', toggle)
   minimapButton:setOn(true)
 
   minimapWindow = g_ui.loadUI('minimap', modules.game_interface.getRightPanel())
@@ -95,7 +96,7 @@ function offline()
 end
 
 function loadMap(clean)
-  local protocolVersion = g_game.getProtocolVersion()
+  local clientVersion = g_game.getClientVersion()
 
   if clean then
     g_minimap.clean()
@@ -107,7 +108,7 @@ function loadMap(clean)
       g_minimap.loadOtmm(minimapFile)
     end
   else
-    local minimapFile = '/minimap_' .. protocolVersion .. '.otcm'
+    local minimapFile = '/minimap_' .. clientVersion .. '.otcm'
     if g_resources.fileExists(minimapFile) then
       g_map.loadOtcm(minimapFile)
     end
@@ -116,12 +117,12 @@ function loadMap(clean)
 end
 
 function saveMap()
-  local protocolVersion = g_game.getProtocolVersion()
+  local clientVersion = g_game.getClientVersion()
   if otmm then
     local minimapFile = '/minimap.otmm'
     g_minimap.saveOtmm(minimapFile)
   else
-    local minimapFile = '/minimap_' .. protocolVersion .. '.otcm'
+    local minimapFile = '/minimap_' .. clientVersion .. '.otcm'
     g_map.saveOtcm(minimapFile)
   end
   minimapWidget:save()
diff --git a/modules/game_spelllist/spelllist.lua b/modules/game_spelllist/spelllist.lua
index dd3299fd..1db1ca34 100644
--- a/modules/game_spelllist/spelllist.lua
+++ b/modules/game_spelllist/spelllist.lua
@@ -83,7 +83,7 @@ function online()
   end
 
   -- Vocation is only send in newer clients
-  if g_game.getProtocolVersion() >= 950 then
+  if g_game.getClientVersion() >= 950 then
     spelllistWindow:getChildById('buttonFilterVocation'):setVisible(true)
   else
     spelllistWindow:getChildById('buttonFilterVocation'):setVisible(false)
diff --git a/modules/game_things/things.lua b/modules/game_things/things.lua
index 3d3e8e7d..35c29903 100644
--- a/modules/game_things/things.lua
+++ b/modules/game_things/things.lua
@@ -2,11 +2,11 @@ filename =  nil
 loaded = false
 
 function init()
-  connect(g_game, { onProtocolVersionChange = load })
+  connect(g_game, { onClientVersionChange = load })
 end
 
 function terminate()
-  disconnect(g_game, { onProtocolVersionChange = load })
+  disconnect(g_game, { onClientVersionChange = load })
 end
 
 function setFileName(name)
@@ -43,8 +43,9 @@ function load()
     local messageBox = displayErrorBox(tr('Error'), errorMessage)
     addEvent(function() messageBox:raise() messageBox:focus() end)
 
-    disconnect(g_game, { onProtocolVersionChange = load })
+    disconnect(g_game, { onClientVersionChange = load })
+    g_game.setClientVersion(0)
     g_game.setProtocolVersion(0)
-    connect(g_game, { onProtocolVersionChange = load })
+    connect(g_game, { onClientVersionChange = load })
   end
 end
diff --git a/modules/gamelib/game.lua b/modules/gamelib/game.lua
index eb0188f6..23083f41 100644
--- a/modules/gamelib/game.lua
+++ b/modules/gamelib/game.lua
@@ -66,21 +66,40 @@ function g_game.getSupportedClients()
     1012, 1013, 1020, 1021, 1022, 
     1030, 1031, 1032, 1033, 1034, 
     1035, 1036, 1037, 1038, 1039, 
-    1040, 1041
+    1040, 1041, 1050, 1051
   }
 end
 
-function g_game.getProtocolVersionForClient(client)
-  clients = {
+-- The client version and protocol version where
+-- unsynchronized for some releases, not sure if this 
+-- will be the normal standard.
+
+-- Client Version: Publicly given version when 
+-- downloading Cipsoft client.
+
+-- Protocol Version: Previously was the same as 
+-- the client version, but was unsychronized in some
+-- releases, now it needs to be verified and added here
+-- if it does not match the client version.
+
+-- Reason for defining both: The server now requires a
+-- Client version and Protocol version from the client.
+
+-- Important: Use getClientVersion for specific protocol 
+-- features to ensure we are using the proper version.
+
+function g_game.getClientProtocolVersion(client)
+  local clients = {
     [980] = 971,
     [981] = 973,
     [982] = 974,
-	  [983] = 975,
-	  [984] = 976,
-	  [985] = 977,
-	  [986] = 978,
-	  [1001] = 979,
-	  [1002] = 980,
+    [983] = 975,
+    [984] = 976,
+    [985] = 977,
+    [986] = 978,
+    [1001] = 979,
+    [1002] = 980,
+    [1051] = 1000 -- no idea what protocol version is required (1051 doesn't work)
   }
   return clients[client] or client
 end
diff --git a/modules/gamelib/protocollogin.lua b/modules/gamelib/protocollogin.lua
index 69bc12b4..1aa6665d 100644
--- a/modules/gamelib/protocollogin.lua
+++ b/modules/gamelib/protocollogin.lua
@@ -32,7 +32,7 @@ function ProtocolLogin:sendLoginPacket()
 
   msg:addU16(g_game.getProtocolVersion())
 
-  if g_game.getProtocolVersion() >= 971 then
+  if g_game.getClientVersion() >= 980 then
     msg:addU32(g_game.getClientVersion())
   end
 
@@ -40,13 +40,13 @@ function ProtocolLogin:sendLoginPacket()
   msg:addU32(g_sprites.getSprSignature())
   msg:addU32(PIC_SIGNATURE)
 
-  if g_game.getProtocolVersion() >= 971 then
+  if g_game.getClientVersion() >= 980 then
     msg:addU8(0) -- clientType
   end
 
   local offset = msg:getMessageSize()
 
-  if g_game.getProtocolVersion() >= 770 then
+  if g_game.getClientVersion() >= 770 then
     -- first RSA byte must be 0
     msg:addU8(0)
     -- xtea key
@@ -74,7 +74,7 @@ function ProtocolLogin:sendLoginPacket()
   local paddingBytes = g_crypt.rsaGetSize() - (msg:getMessageSize() - offset)
   assert(paddingBytes >= 0)
   msg:addPaddingBytes(paddingBytes, 0)
-  if g_game.getProtocolVersion() >= 770 then
+  if g_game.getClientVersion() >= 770 then
     msg:encryptRsa()
   end
 
@@ -83,7 +83,7 @@ function ProtocolLogin:sendLoginPacket()
   end
 
   self:send(msg)
-  if g_game.getProtocolVersion() >= 770 then
+  if g_game.getClientVersion() >= 770 then
     self:enableXteaEncryption()
   end
   self:recv()
@@ -131,7 +131,7 @@ end
 function ProtocolLogin:parseCharacterList(msg)
   local characters = {}
 
-  if g_game.getProtocolVersion() > 1010 then
+  if g_game.getClientVersion() > 1010 then
     local worlds = {}
 
     local worldsCount = msg:getU8()
@@ -165,7 +165,7 @@ function ProtocolLogin:parseCharacterList(msg)
       character.worldIp = iptostring(msg:getU32())
       character.worldPort = msg:getU16()
 
-      if g_game.getProtocolVersion() >= 971 then
+      if g_game.getClientVersion() >= 980 then
         character.unknown = msg:getU8()
       end
 
diff --git a/src/client/const.h b/src/client/const.h
index 7a5dcc1f..0e822725 100644
--- a/src/client/const.h
+++ b/src/client/const.h
@@ -389,6 +389,7 @@ namespace Otc
         GameSpritesAlphaChannel = 56,
         GamePremiumExpiration = 57,
         GameBrowseField = 58,
+        GameEnhancedAnimations = 59,
 
         LastGameFeature = 101
     };
diff --git a/src/client/creature.cpp b/src/client/creature.cpp
index 5b437722..cd6eac73 100644
--- a/src/client/creature.cpp
+++ b/src/client/creature.cpp
@@ -846,11 +846,11 @@ int Creature::getStepDuration(bool ignoreDiagonal, Otc::Direction dir)
     else
         interval /= speed;
 
-    if(g_game.getProtocolVersion() >= 900)
+    if(g_game.getClientVersion() >= 900)
         interval = (interval / g_game.getServerBeat()) * g_game.getServerBeat();
 
     float factor = 3;
-    if(g_game.getProtocolVersion() <= 810)
+    if(g_game.getClientVersion() <= 810)
         factor = 2;
 
     interval = std::max<int>(interval, g_game.getServerBeat());
diff --git a/src/client/game.cpp b/src/client/game.cpp
index 87472043..20ce4aae 100644
--- a/src/client/game.cpp
+++ b/src/client/game.cpp
@@ -1475,9 +1475,27 @@ void Game::setProtocolVersion(int version)
     if(isOnline())
         stdext::throw_exception("Unable to change protocol version while online");
 
-    if(version != 0 && (version < 740 || version > 1041))
+    if(version != 0 && (version < 740 || version > 1051))
         stdext::throw_exception(stdext::format("Protocol version %d not supported", version));
 
+    m_protocolVersion = version;
+
+    Proto::buildMessageModesMap(version);
+
+    g_lua.callGlobalField("g_game", "onProtocolVersionChange", version);
+}
+
+void Game::setClientVersion(int version)
+{
+    if(m_clientVersion == version)
+        return;
+
+    if(isOnline())
+        stdext::throw_exception("Unable to change client version while online");
+
+    if(version != 0 && (version < 740 || version > 1051))
+        stdext::throw_exception(stdext::format("Client version %d not supported", version));
+
     m_features.reset();
     enableFeature(Otc::GameFormatCreatureName);
 
@@ -1585,28 +1603,14 @@ void Game::setProtocolVersion(int version)
         enableFeature(Otc::GameCreatureIcons);
         enableFeature(Otc::GameHideNpcNames);
     }
-    
+
     if(version >= 1038) {
         enableFeature(Otc::GamePremiumExpiration);
     }
 
-    m_protocolVersion = version;
-
-    Proto::buildMessageModesMap(version);
-
-    g_lua.callGlobalField("g_game", "onProtocolVersionChange", version);
-}
-
-void Game::setClientVersion(int version)
-{
-    if(m_clientVersion == version)
-        return;
-
-    if(isOnline())
-        stdext::throw_exception("Unable to change client version while online");
-
-    if(version != 0 && (version < 740 || version > 1041))
-        stdext::throw_exception(stdext::format("Client version %d not supported", version));
+    if(version >= 1050) {
+        enableFeature(Otc::GameEnhancedAnimations);
+    }
 
     m_clientVersion = version;
 
diff --git a/src/client/item.cpp b/src/client/item.cpp
index 566d872b..0e4695ed 100644
--- a/src/client/item.cpp
+++ b/src/client/item.cpp
@@ -241,7 +241,7 @@ int Item::getSubType()
 {
     if(isSplash() || isFluidContainer())
         return m_countOrSubType;
-    if(g_game.getProtocolVersion() > 862)
+    if(g_game.getClientVersion() > 862)
         return 0;
     return 1;
 }
diff --git a/src/client/itemtype.cpp b/src/client/itemtype.cpp
index d0b9aaeb..30cbe5da 100644
--- a/src/client/itemtype.cpp
+++ b/src/client/itemtype.cpp
@@ -51,7 +51,7 @@ void ItemType::unserialize(const BinaryTreePtr& node)
         switch(attr) {
             case ItemTypeAttrServerId: {
                 uint16 serverId = node->getU16();
-                if(g_game.getProtocolVersion() < 960) {
+                if(g_game.getClientVersion() < 960) {
                     if(serverId > 20000 && serverId < 20100) {
                         serverId -= 20000;
                     } else if(lastId > 99 && lastId != serverId - 1) {
diff --git a/src/client/mapio.cpp b/src/client/mapio.cpp
index ca6b34da..a1229679 100644
--- a/src/client/mapio.cpp
+++ b/src/client/mapio.cpp
@@ -491,7 +491,7 @@ void Map::saveOtcm(const std::string& fileName)
         // version 1 header
         fin->addString("OTCM 1.0"); // map description
         fin->addU32(g_things.getDatSignature());
-        fin->addU16(g_game.getProtocolVersion());
+        fin->addU16(g_game.getClientVersion());
         fin->addString(g_game.getWorldName());
 
         // go back and rewrite where the map data starts
diff --git a/src/client/protocolgame.cpp b/src/client/protocolgame.cpp
index 0e5fd61e..c9d194af 100644
--- a/src/client/protocolgame.cpp
+++ b/src/client/protocolgame.cpp
@@ -56,7 +56,7 @@ void ProtocolGame::onRecv(const InputMessagePtr& inputMessage)
     if(m_firstRecv) {
         m_firstRecv = false;
 
-        if(g_game.getProtocolVersion() >= 841) { // not sure since which version this is, but it seems to be after 8.40
+        if(g_game.getClientVersion() >= 841) { // not sure since which version this is, but it seems to be after 8.40
             int size = inputMessage->getU16();
             if(size != inputMessage->getUnreadSize()) {
                 g_logger.traceError("invalid message size");
diff --git a/src/client/protocolgameparse.cpp b/src/client/protocolgameparse.cpp
index 51b99735..2ab2a9be 100644
--- a/src/client/protocolgameparse.cpp
+++ b/src/client/protocolgameparse.cpp
@@ -410,9 +410,9 @@ void ProtocolGame::parseGMActions(const InputMessagePtr& msg)
 
     int numViolationReasons;
 
-    if(g_game.getProtocolVersion() >= 850)
+    if(g_game.getClientVersion() >= 850)
         numViolationReasons = 20;
-    else if(g_game.getProtocolVersion() >= 840)
+    else if(g_game.getClientVersion() >= 840)
         numViolationReasons = 23;
     else
         numViolationReasons = 32;
@@ -562,7 +562,7 @@ void ProtocolGame::parseTileAddThing(const InputMessagePtr& msg)
     Position pos = getPosition(msg);
     int stackPos = -1;
 
-    if(g_game.getProtocolVersion() >= 841)
+    if(g_game.getClientVersion() >= 841)
         stackPos = msg->getU8();
 
     ThingPtr thing = getThing(msg);
@@ -722,7 +722,7 @@ void ProtocolGame::parseOpenNpcTrade(const InputMessagePtr& msg)
 
     int listCount;
 
-    if(g_game.getProtocolVersion() >= 900)
+    if(g_game.getClientVersion() >= 900)
         listCount = msg->getU16();
     else
         listCount = msg->getU8();
@@ -749,7 +749,7 @@ void ProtocolGame::parsePlayerGoods(const InputMessagePtr& msg)
     std::vector<std::tuple<ItemPtr, int>> goods;
 
     int money;
-    if(g_game.getProtocolVersion() >= 973)
+    if(g_game.getClientVersion() >= 973)
         money = msg->getU64();
     else
         money = msg->getU32();
@@ -992,7 +992,7 @@ void ProtocolGame::parseEditText(const InputMessagePtr& msg)
     uint id = msg->getU32();
 
     int itemId;
-    if(g_game.getProtocolVersion() >= 1010) {
+    if(g_game.getClientVersion() >= 1010) {
         // TODO: processEditText with ItemPtr as parameter
         ItemPtr item = getItem(msg);
         itemId = item->getId();
@@ -1640,7 +1640,7 @@ void ProtocolGame::parseModalDialog(const InputMessagePtr& msg)
     }
 
     int enterButton, escapeButton;
-    if(g_game.getProtocolVersion() > 970) {
+    if(g_game.getClientVersion() > 970) {
         escapeButton = msg->getU8();
         enterButton = msg->getU8();
     }
@@ -1685,7 +1685,7 @@ void ProtocolGame::parseChangeMapAwareRange(const InputMessagePtr& msg)
 void ProtocolGame::parseCreaturesMark(const InputMessagePtr& msg)
 {
     int len;
-    if (g_game.getProtocolVersion() >= 1035) {
+    if (g_game.getClientVersion() >= 1035) {
         len = 1;
     } else {
         len = msg->getU8();
@@ -1895,7 +1895,7 @@ CreaturePtr ProtocolGame::getCreature(const InputMessagePtr& msg, int type)
             uint id = msg->getU32();
 
             int creatureType;
-            if(g_game.getProtocolVersion() >= 910)
+            if(g_game.getClientVersion() >= 910)
                 creatureType = msg->getU8();
             else {
                 if(id >= Proto::PlayerStartId && id < Proto::PlayerEndId)
@@ -1973,7 +1973,7 @@ CreaturePtr ProtocolGame::getCreature(const InputMessagePtr& msg, int type)
             }
         }
 
-        if(g_game.getProtocolVersion() >= 854)
+        if(g_game.getClientVersion() >= 854)
             unpass = msg->getU8();
 
         if(creature) {
@@ -2004,7 +2004,7 @@ CreaturePtr ProtocolGame::getCreature(const InputMessagePtr& msg, int type)
         if(creature)
             creature->turn(direction);
 
-        if(g_game.getProtocolVersion() >= 953) {
+        if(g_game.getClientVersion() >= 953) {
             bool unpass = msg->getU8();
 
             if(creature)
diff --git a/src/client/protocolgamesend.cpp b/src/client/protocolgamesend.cpp
index 15487b09..03c40602 100644
--- a/src/client/protocolgamesend.cpp
+++ b/src/client/protocolgamesend.cpp
@@ -65,7 +65,7 @@ void ProtocolGame::sendLoginPacket(uint challengeTimestamp, uint8 challengeRando
 
     msg->addU8(0); // first RSA byte must be 0
 
-    if(g_game.getProtocolVersion() >= 770)
+    if(g_game.getClientVersion() >= 770)
     {
         // xtea key
         generateXteaKey();
@@ -99,7 +99,7 @@ void ProtocolGame::sendLoginPacket(uint challengeTimestamp, uint8 challengeRando
     msg->addPaddingBytes(paddingBytes);
 
     // encrypt with RSA
-    if(g_game.getProtocolVersion() >= 770)
+    if(g_game.getClientVersion() >= 770)
         msg->encryptRsa();
 
     if(g_game.getFeature(Otc::GameProtocolChecksum))
@@ -107,7 +107,7 @@ void ProtocolGame::sendLoginPacket(uint challengeTimestamp, uint8 challengeRando
 
     send(msg);
 
-    if(g_game.getProtocolVersion() >= 770)
+    if(g_game.getClientVersion() >= 770)
         enableXteaEncryption();
 }
 
@@ -642,7 +642,7 @@ void ProtocolGame::sendShareExperience(bool active)
     msg->addU8(Proto::ClientShareExperience);
     msg->addU8(active ? 0x01 : 0x00);
 
-    if(g_game.getProtocolVersion() < 910)
+    if(g_game.getClientVersion() < 910)
         msg->addU8(0);
 
     send(msg);
diff --git a/src/client/thingtype.cpp b/src/client/thingtype.cpp
index 236f38b9..7e5f5de3 100644
--- a/src/client/thingtype.cpp
+++ b/src/client/thingtype.cpp
@@ -53,12 +53,12 @@ void ThingType::serialize(const FileStreamPtr& fin)
             continue;
 
         int attr = i;
-        if(g_game.getProtocolVersion() >= 780) {
+        if(g_game.getClientVersion() >= 780) {
             if(attr == ThingAttrChargeable)
                 attr = ThingAttrWritable;
             else if(attr >= ThingAttrWritable)
                 attr += 1;
-        } else if(g_game.getProtocolVersion() >= 1010) {
+        } else if(g_game.getClientVersion() >= 1010) {
             if(attr == ThingAttrNoMoveAnimation)
                 attr = 16;
             else if(attr >= ThingAttrPickupable)
@@ -116,6 +116,19 @@ void ThingType::serialize(const FileStreamPtr& fin)
     fin->addU8(m_numPatternZ);
     fin->addU8(m_animationPhases);
 
+    if(g_game.getFeature(Otc::GameEnhancedAnimations)) {
+        if(m_animationPhases > 1) {
+            fin->addU8(m_animation.async ? 0 : 1);
+            fin->add32(m_animation.loopCount);
+            fin->addU8(m_animation.startIndex);
+
+            for(std::tuple<int, int> frame : m_animation.frames) {
+                fin->addU32(std::get<0>(frame));
+                fin->addU32(std::get<1>(frame));
+            }
+        }
+    }
+
     for(uint i = 0; i < m_spritesIndex.size(); i++) {
         if(g_game.getFeature(Otc::GameSpritesU32))
             fin->addU32(m_spritesIndex[i]);
@@ -130,15 +143,17 @@ void ThingType::unserialize(uint16 clientId, ThingCategory category, const FileS
     m_id = clientId;
     m_category = category;
 
+    int count = 0, attr = -1;
     bool done = false;
     for(int i = 0 ; i < ThingLastAttr;++i) {
-        int attr = fin->getU8();
+        count++;
+        attr = fin->getU8();
         if(attr == ThingLastAttr) {
             done = true;
             break;
         }
 
-        if(g_game.getProtocolVersion() >= 1010) {
+        if(g_game.getClientVersion() >= 1010) {
             /* In 10.10+ all attributes from 16 and up were
              * incremented by 1 to make space for 16 as
              * "No Movement Animation" flag.
@@ -147,12 +162,12 @@ void ThingType::unserialize(uint16 clientId, ThingCategory category, const FileS
                 attr = ThingAttrNoMoveAnimation;
             else if(attr > 16)
                 attr -= 1;
-        } else if(g_game.getProtocolVersion() >= 860) {
+        } else if(g_game.getClientVersion() >= 860) {
             /* Default attribute values follow
              * the format of 8.6-9.86.
              * Therefore no changes here.
              */
-        } else if(g_game.getProtocolVersion() >= 780) {
+        } else if(g_game.getClientVersion() >= 780) {
             /* In 7.80-8.54 all attributes from 8 and higher were
              * incremented by 1 to make space for 8 as
              * "Item Charges" flag.
@@ -162,11 +177,11 @@ void ThingType::unserialize(uint16 clientId, ThingCategory category, const FileS
                 continue;
             } else if(attr > 8)
                 attr -= 1;
-        } else if(g_game.getProtocolVersion() >= 755) {
+        } else if(g_game.getClientVersion() >= 755) {
             /* In 7.55-7.72 attributes 23 is "Floor Change". */
             if(attr == 23)
                 attr = ThingAttrFloorChange;
-        } else if(g_game.getProtocolVersion() >= 740) {
+        } else if(g_game.getClientVersion() >= 740) {
             /* In 7.4-7.5 attribute "Ground Border" did not exist
              * attributes 1-15 have to be adjusted.
              * Several other changes in the format.
@@ -207,7 +222,7 @@ void ThingType::unserialize(uint16 clientId, ThingCategory category, const FileS
 
         switch(attr) {
             case ThingAttrDisplacement: {
-                if(g_game.getProtocolVersion() >= 755) {
+                if(g_game.getClientVersion() >= 755) {
                     m_displacement.x = fin->getU16();
                     m_displacement.y = fin->getU16();
                 } else {
@@ -256,7 +271,8 @@ void ThingType::unserialize(uint16 clientId, ThingCategory category, const FileS
     }
 
     if(!done)
-        stdext::throw_exception("corrupt data");
+        stdext::throw_exception(stdext::format("corrupt data (id: %d, category: %d, count: %d, lastAttr: %d)",
+            m_id, m_category, count, attr));
 
     uint8 width = fin->getU8();
     uint8 height = fin->getU8();
@@ -271,12 +287,27 @@ void ThingType::unserialize(uint16 clientId, ThingCategory category, const FileS
     m_layers = fin->getU8();
     m_numPatternX = fin->getU8();
     m_numPatternY = fin->getU8();
-    if(g_game.getProtocolVersion() >= 755)
+    if(g_game.getClientVersion() >= 755)
         m_numPatternZ = fin->getU8();
     else
         m_numPatternZ = 1;
     m_animationPhases = fin->getU8();
 
+    if(g_game.getFeature(Otc::GameEnhancedAnimations)) {
+        if(m_animationPhases > 1) {
+            m_animation.async = fin->getU8() == 0;
+            m_animation.loopCount = fin->get32();
+            m_animation.startIndex = fin->getU8();
+
+            for(int i = 0; i < m_animationPhases; i++) {
+                int minDuration = fin->getU32();
+                int maxDuration = fin->getU32();
+
+                m_animation.frames.push_back(std::make_tuple(minDuration, maxDuration));
+            }
+        }
+    }
+
     int totalSprites = m_size.area() * m_layers * m_numPatternX * m_numPatternY * m_numPatternZ * m_animationPhases;
 
     // if(totalSprites == 0)
diff --git a/src/client/thingtype.h b/src/client/thingtype.h
index 446c9230..e5e0120d 100644
--- a/src/client/thingtype.h
+++ b/src/client/thingtype.h
@@ -110,6 +110,15 @@ struct Light {
     uint8 color;
 };
 
+struct Animation {
+    Animation() { startIndex = 0; loopCount = 0; async = false; }
+
+    int startIndex;
+    int loopCount;
+    bool async;
+    std::vector<std::tuple<int, int> > frames;
+};
+
 class ThingType : public LuaObject
 {
 public:
@@ -138,6 +147,7 @@ public:
     int getNumPatternY() { return m_numPatternY; }
     int getNumPatternZ() { return m_numPatternZ; }
     int getAnimationPhases() { return m_animationPhases; }
+    Animation getAnimation() { return m_animation; }
     Point getDisplacement() { return m_displacement; }
     int getDisplacementX() { return getDisplacement().x; }
     int getDisplacementY() { return getDisplacement().y; }
@@ -204,10 +214,11 @@ private:
 
     Size m_size;
     Point m_displacement;
+    Animation m_animation;
+    int m_animationPhases;
     int m_exactSize;
     int m_realSize;
     int m_numPatternX, m_numPatternY, m_numPatternZ;
-    int m_animationPhases;
     int m_layers;
     int m_elevation;
     float m_opacity;
diff --git a/src/client/thingtypemanager.cpp b/src/client/thingtypemanager.cpp
index b00aa0c2..eaec7e82 100644
--- a/src/client/thingtypemanager.cpp
+++ b/src/client/thingtypemanager.cpp
@@ -276,7 +276,7 @@ void ThingTypeManager::parseItemType(uint16 serverId, TiXmlElement* elem)
     bool s;
     int d;
 
-    if(g_game.getProtocolVersion() < 960) {
+    if(g_game.getClientVersion() < 960) {
         s = serverId > 20000 && serverId < 20100;
         d = 20000;
     } else {
diff --git a/src/client/tile.cpp b/src/client/tile.cpp
index 6e4b8657..548a3335 100644
--- a/src/client/tile.cpp
+++ b/src/client/tile.cpp
@@ -217,7 +217,7 @@ void Tile::addThing(const ThingPtr& thing, int stackPos)
                 append = (priority <= 3);
 
                 // newer protocols does not store creatures in reverse order
-                if(g_game.getProtocolVersion() >= 854 && priority == 4)
+                if(g_game.getClientVersion() >= 854 && priority == 4)
                     append = !append;
             }
 
diff --git a/src/framework/core/binarytree.cpp b/src/framework/core/binarytree.cpp
index 4568c851..14f7a3f0 100644
--- a/src/framework/core/binarytree.cpp
+++ b/src/framework/core/binarytree.cpp
@@ -132,7 +132,7 @@ uint16 BinaryTree::getU16()
     unserialize();
     if(m_pos+2 > m_buffer.size())
         stdext::throw_exception("BinaryTree: getU16 failed");
-    uint16 v = stdext::readLE16(&m_buffer[m_pos]);
+    uint16 v = stdext::readULE16(&m_buffer[m_pos]);
     m_pos += 2;
     return v;
 }
@@ -142,7 +142,7 @@ uint32 BinaryTree::getU32()
     unserialize();
     if(m_pos+4 > m_buffer.size())
         stdext::throw_exception("BinaryTree: getU32 failed");
-    uint32 v = stdext::readLE32(&m_buffer[m_pos]);
+    uint32 v = stdext::readULE32(&m_buffer[m_pos]);
     m_pos += 4;
     return v;
 }
@@ -152,7 +152,7 @@ uint64 BinaryTree::getU64()
     unserialize();
     if(m_pos+8 > m_buffer.size())
         stdext::throw_exception("BinaryTree: getU64 failed");
-    uint64 v = stdext::readLE64(&m_buffer[m_pos]);
+    uint64 v = stdext::readULE64(&m_buffer[m_pos]);
     m_pos += 8;
     return v;
 }
@@ -193,14 +193,14 @@ void OutputBinaryTree::addU8(uint8 v)
 void OutputBinaryTree::addU16(uint16 v)
 {
     uint8 data[2];
-    stdext::writeLE16(data, v);
+    stdext::writeULE16(data, v);
     write(data, 2);
 }
 
 void OutputBinaryTree::addU32(uint32 v)
 {
     uint8 data[4];
-    stdext::writeLE32(data, v);
+    stdext::writeULE32(data, v);
     write(data, 4);
 }
 
diff --git a/src/framework/core/filestream.cpp b/src/framework/core/filestream.cpp
index 0de984b1..fc721e92 100644
--- a/src/framework/core/filestream.cpp
+++ b/src/framework/core/filestream.cpp
@@ -206,7 +206,7 @@ uint16 FileStream::getU16()
         if(m_pos+2 > m_data.size())
             throwError("read failed");
 
-        v = stdext::readLE16(&m_data[m_pos]);
+        v = stdext::readULE16(&m_data[m_pos]);
         m_pos += 2;
     }
     return v;
@@ -222,7 +222,7 @@ uint32 FileStream::getU32()
         if(m_pos+4 > m_data.size())
             throwError("read failed");
 
-        v = stdext::readLE32(&m_data[m_pos]);
+        v = stdext::readULE32(&m_data[m_pos]);
         m_pos += 4;
     }
     return v;
@@ -237,7 +237,70 @@ uint64 FileStream::getU64()
     } else {
         if(m_pos+8 > m_data.size())
             throwError("read failed");
-        v = stdext::readLE64(&m_data[m_pos]);
+        v = stdext::readULE64(&m_data[m_pos]);
+        m_pos += 8;
+    }
+    return v;
+}
+
+int8 FileStream::get8()
+{
+    int8 v = 0;
+    if(!m_caching) {
+        if(PHYSFS_read(m_fileHandle, &v, 1, 1) != 1)
+            throwError("read failed", true);
+    } else {
+        if(m_pos+1 > m_data.size())
+            throwError("read failed");
+
+        v = m_data[m_pos];
+        m_pos += 1;
+    }
+    return v;
+}
+
+int16 FileStream::get16()
+{
+    int16 v = 0;
+    if(!m_caching) {
+        if(PHYSFS_readSLE16(m_fileHandle, &v) == 0)
+            throwError("read failed", true);
+    } else {
+        if(m_pos+2 > m_data.size())
+            throwError("read failed");
+
+        v = stdext::readSLE16(&m_data[m_pos]);
+        m_pos += 2;
+    }
+    return v;
+}
+
+int32 FileStream::get32()
+{
+    int32 v = 0;
+    if(!m_caching) {
+        if(PHYSFS_readSLE32(m_fileHandle, &v) == 0)
+            throwError("read failed", true);
+    } else {
+        if(m_pos+4 > m_data.size())
+            throwError("read failed");
+
+        v = stdext::readSLE32(&m_data[m_pos]);
+        m_pos += 4;
+    }
+    return v;
+}
+
+int64 FileStream::get64()
+{
+    int64 v = 0;
+    if(!m_caching) {
+        if(PHYSFS_readSLE64(m_fileHandle, (PHYSFS_sint64*)&v) == 0)
+            throwError("read failed", true);
+    } else {
+        if(m_pos+8 > m_data.size())
+            throwError("read failed");
+        v = stdext::readSLE64(&m_data[m_pos]);
         m_pos += 8;
     }
     return v;
@@ -306,7 +369,7 @@ void FileStream::addU16(uint16 v)
             throwError("write failed", true);
     } else {
         m_data.grow(m_pos + 2);
-        stdext::writeLE16(&m_data[m_pos], v);
+        stdext::writeULE16(&m_data[m_pos], v);
         m_pos += 2;
     }
 }
@@ -318,7 +381,7 @@ void FileStream::addU32(uint32 v)
             throwError("write failed", true);
     } else {
         m_data.grow(m_pos + 4);
-        stdext::writeLE32(&m_data[m_pos], v);
+        stdext::writeULE32(&m_data[m_pos], v);
         m_pos += 4;
     }
 }
@@ -330,7 +393,54 @@ void FileStream::addU64(uint64 v)
             throwError("write failed", true);
     } else {
         m_data.grow(m_pos + 8);
-        stdext::writeLE64(&m_data[m_pos], v);
+        stdext::writeULE64(&m_data[m_pos], v);
+        m_pos += 8;
+    }
+}
+
+void FileStream::add8(int8 v)
+{
+    if(!m_caching) {
+        if(PHYSFS_write(m_fileHandle, &v, 1, 1) != 1)
+            throwError("write failed", true);
+    } else {
+        m_data.add(v);
+        m_pos++;
+    }
+}
+
+void FileStream::add16(int16 v)
+{
+    if(!m_caching) {
+        if(PHYSFS_writeSLE16(m_fileHandle, v) == 0)
+            throwError("write failed", true);
+    } else {
+        m_data.grow(m_pos + 2);
+        stdext::writeSLE16(&m_data[m_pos], v);
+        m_pos += 2;
+    }
+}
+
+void FileStream::add32(int32 v)
+{
+    if(!m_caching) {
+        if(PHYSFS_writeSLE32(m_fileHandle, v) == 0)
+            throwError("write failed", true);
+    } else {
+        m_data.grow(m_pos + 4);
+        stdext::writeSLE32(&m_data[m_pos], v);
+        m_pos += 4;
+    }
+}
+
+void FileStream::add64(int64 v)
+{
+    if(!m_caching) {
+        if(PHYSFS_writeSLE64(m_fileHandle, v) == 0)
+            throwError("write failed", true);
+    } else {
+        m_data.grow(m_pos + 8);
+        stdext::writeSLE64(&m_data[m_pos], v);
         m_pos += 8;
     }
 }
diff --git a/src/framework/core/filestream.h b/src/framework/core/filestream.h
index 69fe7b42..1b6c04d5 100644
--- a/src/framework/core/filestream.h
+++ b/src/framework/core/filestream.h
@@ -54,6 +54,10 @@ public:
     uint16 getU16();
     uint32 getU32();
     uint64 getU64();
+    int8 get8();
+    int16 get16();
+    int32 get32();
+    int64 get64();
     std::string getString();
     BinaryTreePtr getBinaryTree();
 
@@ -63,6 +67,10 @@ public:
     void addU16(uint16 v);
     void addU32(uint32 v);
     void addU64(uint64 v);
+    void add8(int8 v);
+    void add16(int16 v);
+    void add32(int32 v);
+    void add64(int64 v);
     void addString(const std::string& v);
     void addPos(uint16 x, uint16 y, uint8 z) { addU16(x); addU16(y); addU8(z); }
     void addPoint(const Point& p) { addU8(p.x); addU8(p.y); }
diff --git a/src/framework/luafunctions.cpp b/src/framework/luafunctions.cpp
index b7122fed..d9defa02 100644
--- a/src/framework/luafunctions.cpp
+++ b/src/framework/luafunctions.cpp
@@ -195,6 +195,7 @@ void Application::registerLuaFunctions()
     g_lua.bindSingletonFunction("g_resources", "getFileTime", &ResourceManager::getFileTime, &g_resources);
     g_lua.bindSingletonFunction("g_resources", "makeDir", &ResourceManager::makeDir, &g_resources);
     g_lua.bindSingletonFunction("g_resources", "deleteFile", &ResourceManager::deleteFile, &g_resources);
+    g_lua.bindSingletonFunction("g_resources", "resolvePath", &ResourceManager::resolvePath, &g_resources);
 
     // Config
     g_lua.registerClass<Config>();
diff --git a/src/framework/net/inputmessage.cpp b/src/framework/net/inputmessage.cpp
index e0fddc79..9389eb87 100644
--- a/src/framework/net/inputmessage.cpp
+++ b/src/framework/net/inputmessage.cpp
@@ -56,7 +56,7 @@ uint8 InputMessage::getU8()
 uint16 InputMessage::getU16()
 {
     checkRead(2);
-    uint16 v = stdext::readLE16(m_buffer + m_readPos);
+    uint16 v = stdext::readULE16(m_buffer + m_readPos);
     m_readPos += 2;
     return v;
 }
@@ -64,7 +64,7 @@ uint16 InputMessage::getU16()
 uint32 InputMessage::getU32()
 {
     checkRead(4);
-    uint32 v = stdext::readLE32(m_buffer + m_readPos);
+    uint32 v = stdext::readULE32(m_buffer + m_readPos);
     m_readPos += 4;
     return v;
 }
@@ -72,7 +72,7 @@ uint32 InputMessage::getU32()
 uint64 InputMessage::getU64()
 {
     checkRead(8);
-    uint64 v = stdext::readLE64(m_buffer + m_readPos);
+    uint64 v = stdext::readULE64(m_buffer + m_readPos);
     m_readPos += 8;
     return v;
 }
diff --git a/src/framework/net/outputmessage.cpp b/src/framework/net/outputmessage.cpp
index 6c930378..dfcef8b9 100644
--- a/src/framework/net/outputmessage.cpp
+++ b/src/framework/net/outputmessage.cpp
@@ -46,7 +46,7 @@ void OutputMessage::addU8(uint8 value)
 void OutputMessage::addU16(uint16 value)
 {
     checkWrite(2);
-    stdext::writeLE16(m_buffer + m_writePos, value);
+    stdext::writeULE16(m_buffer + m_writePos, value);
     m_writePos += 2;
     m_messageSize += 2;
 }
@@ -54,7 +54,7 @@ void OutputMessage::addU16(uint16 value)
 void OutputMessage::addU32(uint32 value)
 {
     checkWrite(4);
-    stdext::writeLE32(m_buffer + m_writePos, value);
+    stdext::writeULE32(m_buffer + m_writePos, value);
     m_writePos += 4;
     m_messageSize += 4;
 }
@@ -62,7 +62,7 @@ void OutputMessage::addU32(uint32 value)
 void OutputMessage::addU64(uint64 value)
 {
     checkWrite(8);
-    stdext::writeLE64(m_buffer + m_writePos, value);
+    stdext::writeULE64(m_buffer + m_writePos, value);
     m_writePos += 8;
     m_messageSize += 8;
 }
@@ -104,7 +104,7 @@ void OutputMessage::writeChecksum()
     uint32 checksum = stdext::adler32(m_buffer + m_headerPos, m_messageSize);
     assert(m_headerPos - 4 >= 0);
     m_headerPos -= 4;
-    stdext::writeLE32(m_buffer + m_headerPos, checksum);
+    stdext::writeULE32(m_buffer + m_headerPos, checksum);
     m_messageSize += 4;
 }
 
@@ -112,7 +112,7 @@ void OutputMessage::writeMessageSize()
 {
     assert(m_headerPos - 2 >= 0);
     m_headerPos -= 2;
-    stdext::writeLE16(m_buffer + m_headerPos, m_messageSize);
+    stdext::writeULE16(m_buffer + m_headerPos, m_messageSize);
     m_messageSize += 2;
 }
 
diff --git a/src/framework/platform/win32window.cpp b/src/framework/platform/win32window.cpp
index 5e5deeee..5b73c589 100644
--- a/src/framework/platform/win32window.cpp
+++ b/src/framework/platform/win32window.cpp
@@ -798,7 +798,7 @@ int WIN32Window::internalLoadMouseCursor(const ImagePtr& image, const Point& hot
     std::vector<uchar> xorMask(numbytes, 0);
 
     for(int i=0;i<numbits;++i) {
-        uint32 rgba = stdext::readLE32(image->getPixelData() + i*4);
+        uint32 rgba = stdext::readULE32(image->getPixelData() + i*4);
         if(rgba == 0xffffffff) { //white
             HSB_BIT_SET(xorMask, i);
         } else if(rgba == 0x00000000) { //alpha
diff --git a/src/framework/stdext/math.h b/src/framework/stdext/math.h
index a48205d4..dbc14539 100644
--- a/src/framework/stdext/math.h
+++ b/src/framework/stdext/math.h
@@ -31,13 +31,21 @@ namespace stdext {
 inline bool is_power_of_two(size_t v) { return ((v != 0) && !(v & (v - 1))); }
 inline size_t to_power_of_two(size_t v) { if(v == 0) return 0; size_t r = 1; while(r < v && r != 0xffffffff) r <<= 1; return r; }
 
-inline uint16_t readLE16(const uchar *addr) { return (uint16_t)addr[1] << 8 | addr[0]; }
-inline uint32_t readLE32(const uchar *addr) { return (uint32_t)readLE16(addr + 2) << 16 | readLE16(addr); }
-inline uint64_t readLE64(const uchar *addr) { return (uint64_t)readLE32(addr + 4) << 32 | readLE32(addr); }
+inline uint16_t readULE16(const uchar *addr) { return (uint16_t)addr[1] << 8 | addr[0]; }
+inline uint32_t readULE32(const uchar *addr) { return (uint32_t)readULE16(addr + 2) << 16 | readULE16(addr); }
+inline uint64_t readULE64(const uchar *addr) { return (uint64_t)readULE32(addr + 4) << 32 | readULE32(addr); }
 
-inline void writeLE16(uchar *addr, uint16_t value) { addr[1] = value >> 8; addr[0] = (uint8_t)value; }
-inline void writeLE32(uchar *addr, uint32_t value) { writeLE16(addr + 2, value >> 16); writeLE16(addr, (uint16_t)value); }
-inline void writeLE64(uchar *addr, uint64_t value) { writeLE32(addr + 4, value >> 32); writeLE32(addr, (uint32_t)value); }
+inline void writeULE16(uchar *addr, uint16_t value) { addr[1] = value >> 8; addr[0] = (uint8_t)value; }
+inline void writeULE32(uchar *addr, uint32_t value) { writeULE16(addr + 2, value >> 16); writeULE16(addr, (uint16_t)value); }
+inline void writeULE64(uchar *addr, uint64_t value) { writeULE32(addr + 4, value >> 32); writeULE32(addr, (uint32_t)value); }
+
+inline int16_t readSLE16(const uchar *addr) { return (int16_t)addr[1] << 8 | addr[0]; }
+inline int32_t readSLE32(const uchar *addr) { return (int32_t)readSLE16(addr + 2) << 16 | readSLE16(addr); }
+inline int64_t readSLE64(const uchar *addr) { return (int64_t)readSLE32(addr + 4) << 32 | readSLE32(addr); }
+
+inline void writeSLE16(uchar *addr, int16_t value) { addr[1] = value >> 8; addr[0] = (int8_t)value; }
+inline void writeSLE32(uchar *addr, int32_t value) { writeSLE16(addr + 2, value >> 16); writeSLE16(addr, (int16_t)value); }
+inline void writeSLE64(uchar *addr, int64_t value) { writeSLE32(addr + 4, value >> 32); writeSLE32(addr, (int32_t)value); }
 
 uint32_t adler32(const uint8_t *buffer, size_t size);
 
diff --git a/src/framework/util/crypt.cpp b/src/framework/util/crypt.cpp
index ce3e0a82..5f9b426f 100644
--- a/src/framework/util/crypt.cpp
+++ b/src/framework/util/crypt.cpp
@@ -201,7 +201,7 @@ std::string Crypt::_encrypt(const std::string& decrypted_string, bool useMachine
 {
     std::string tmp = "0000" + decrypted_string;
     uint32 sum = stdext::adler32((const uint8*)decrypted_string.c_str(), decrypted_string.size());
-    stdext::writeLE32((uint8*)&tmp[0], sum);
+    stdext::writeULE32((uint8*)&tmp[0], sum);
     std::string encrypted = base64Encode(xorCrypt(tmp, getCryptKey(useMachineUUID)));
     return encrypted;
 }
@@ -211,7 +211,7 @@ std::string Crypt::_decrypt(const std::string& encrypted_string, bool useMachine
     std::string decoded = base64Decode(encrypted_string);
     std::string tmp = xorCrypt(base64Decode(encrypted_string), getCryptKey(useMachineUUID));
     if(tmp.length() >= 4) {
-        uint32 readsum = stdext::readLE32((const uint8*)tmp.c_str());
+        uint32 readsum = stdext::readULE32((const uint8*)tmp.c_str());
         std::string decrypted_string = tmp.substr(4);
         uint32 sum = stdext::adler32((const uint8*)decrypted_string.c_str(), decrypted_string.size());
         if(readsum == sum)