diff --git a/src/framework/CMakeLists.txt b/src/framework/CMakeLists.txt
index 9d9a40ec..7080c619 100644
--- a/src/framework/CMakeLists.txt
+++ b/src/framework/CMakeLists.txt
@@ -34,18 +34,29 @@ set(framework_SOURCES ${framework_SOURCES}
     ${CMAKE_CURRENT_LIST_DIR}/util/size.h
 
     # stdext
+    ${CMAKE_CURRENT_LIST_DIR}/stdext/any.h
+    ${CMAKE_CURRENT_LIST_DIR}/stdext/boolean.h
     ${CMAKE_CURRENT_LIST_DIR}/stdext/cast.h
     ${CMAKE_CURRENT_LIST_DIR}/stdext/compiler.h
+    ${CMAKE_CURRENT_LIST_DIR}/stdext/demangle.cpp
     ${CMAKE_CURRENT_LIST_DIR}/stdext/demangle.h
     ${CMAKE_CURRENT_LIST_DIR}/stdext/dumper.h
+    ${CMAKE_CURRENT_LIST_DIR}/stdext/dynamic_storage.h
     ${CMAKE_CURRENT_LIST_DIR}/stdext/exception.h
+    ${CMAKE_CURRENT_LIST_DIR}/stdext/format.h
+    ${CMAKE_CURRENT_LIST_DIR}/stdext/math.cpp
     ${CMAKE_CURRENT_LIST_DIR}/stdext/math.h
+    ${CMAKE_CURRENT_LIST_DIR}/stdext/packed_any.h
+    ${CMAKE_CURRENT_LIST_DIR}/stdext/packed_storage.h
+    ${CMAKE_CURRENT_LIST_DIR}/stdext/packed_vector.h
+    ${CMAKE_CURRENT_LIST_DIR}/stdext/shared_object.h
     ${CMAKE_CURRENT_LIST_DIR}/stdext/stdext.h
+    ${CMAKE_CURRENT_LIST_DIR}/stdext/string.cpp
     ${CMAKE_CURRENT_LIST_DIR}/stdext/string.h
+    ${CMAKE_CURRENT_LIST_DIR}/stdext/time.cpp
     ${CMAKE_CURRENT_LIST_DIR}/stdext/time.h
+    ${CMAKE_CURRENT_LIST_DIR}/stdext/traits.h
     ${CMAKE_CURRENT_LIST_DIR}/stdext/types.h
-    ${CMAKE_CURRENT_LIST_DIR}/stdext/attrib_storage.h
-    ${CMAKE_CURRENT_LIST_DIR}/stdext/shared_object.h
 
     # core
     ${CMAKE_CURRENT_LIST_DIR}/core/application.cpp
diff --git a/src/framework/core/declarations.h b/src/framework/core/declarations.h
index e9ff38f8..e6c90614 100644
--- a/src/framework/core/declarations.h
+++ b/src/framework/core/declarations.h
@@ -33,11 +33,11 @@ class ScheduledEvent;
 class FileStream;
 class BinaryTree;
 
-typedef boost::intrusive_ptr<Module> ModulePtr;
-typedef boost::intrusive_ptr<Event> EventPtr;
-typedef boost::intrusive_ptr<ScheduledEvent> ScheduledEventPtr;
-typedef boost::intrusive_ptr<FileStream> FileStreamPtr;
-typedef boost::intrusive_ptr<BinaryTree> BinaryTreePtr;
+typedef stdext::shared_object_ptr<Module> ModulePtr;
+typedef stdext::shared_object_ptr<Event> EventPtr;
+typedef stdext::shared_object_ptr<ScheduledEvent> ScheduledEventPtr;
+typedef stdext::shared_object_ptr<FileStream> FileStreamPtr;
+typedef stdext::shared_object_ptr<BinaryTree> BinaryTreePtr;
 
 typedef std::vector<BinaryTreePtr> BinaryTreeVec;
 
diff --git a/src/framework/core/eventdispatcher.h b/src/framework/core/eventdispatcher.h
index 0ff483cd..16d6209a 100644
--- a/src/framework/core/eventdispatcher.h
+++ b/src/framework/core/eventdispatcher.h
@@ -26,6 +26,8 @@
 #include "clock.h"
 #include "scheduledevent.h"
 
+#include <queue>
+
 // @bindsingleton g_dispatcher
 class EventDispatcher
 {
diff --git a/src/framework/core/filestream.h b/src/framework/core/filestream.h
index 0d219e6a..b03f8c18 100644
--- a/src/framework/core/filestream.h
+++ b/src/framework/core/filestream.h
@@ -62,7 +62,7 @@ public:
     void addString(const std::string& v);
     BinaryTreePtr makeTree();
 
-    FileStreamPtr asFileStream() { return self_cast<FileStream>(); }
+    FileStreamPtr asFileStream() { return static_self_cast<FileStream>(); }
 
 private:
     void checkWrite();
diff --git a/src/framework/core/logger.h b/src/framework/core/logger.h
index 275b7fb2..d34c7c1d 100644
--- a/src/framework/core/logger.h
+++ b/src/framework/core/logger.h
@@ -25,6 +25,8 @@
 
 #include "../global.h"
 
+#include <fstream>
+
 struct LogMessage {
     LogMessage(Fw::LogLevel level, const std::string& message, std::size_t when) : level(level), message(message), when(when) { }
     Fw::LogLevel level;
diff --git a/src/framework/core/module.h b/src/framework/core/module.h
index bf3eb866..30814f08 100644
--- a/src/framework/core/module.h
+++ b/src/framework/core/module.h
@@ -56,7 +56,7 @@ public:
     int getAutoLoadPriority() { return m_autoLoadPriority; }
 
     // @dontbind
-    ModulePtr asModule() { return self_cast<Module>(); }
+    ModulePtr asModule() { return static_self_cast<Module>(); }
 
 protected:
     void discover(const OTMLNodePtr& moduleNode);
diff --git a/src/framework/core/modulemanager.cpp b/src/framework/core/modulemanager.cpp
index 5a45b820..dc7d115b 100644
--- a/src/framework/core/modulemanager.cpp
+++ b/src/framework/core/modulemanager.cpp
@@ -43,7 +43,7 @@ void ModuleManager::discoverModules()
     for(const std::string& moduleDir : moduleDirs) {
         auto moduleFiles = g_resources.listDirectoryFiles("/" + moduleDir);
         for(const std::string& moduleFile : moduleFiles) {
-            if(boost::ends_with(moduleFile, ".otmod")) {
+            if(stdext::ends_with(moduleFile, ".otmod")) {
                 ModulePtr module = discoverModule("/" + moduleDir + "/" + moduleFile);
                 if(module && module->isAutoLoad())
                     m_autoLoadModules.insert(std::make_pair(module->getAutoLoadPriority(), module));
diff --git a/src/framework/core/resourcemanager.cpp b/src/framework/core/resourcemanager.cpp
index 2dacba5e..52adf907 100644
--- a/src/framework/core/resourcemanager.cpp
+++ b/src/framework/core/resourcemanager.cpp
@@ -125,7 +125,7 @@ void ResourceManager::searchAndAddPackages(const std::string& packagesDir, const
     auto files = listDirectoryFiles(packagesDir);
     for(auto it = files.rbegin(); it != files.rend(); ++it) {
         const std::string& file = *it;
-        if(!boost::ends_with(file, packageExt))
+        if(!stdext::ends_with(file, packageExt))
             continue;
         std::string package = getRealDir(packagesDir) + "/" + file;
         if(!addSearchPath(package, true))
@@ -262,7 +262,7 @@ std::list<std::string> ResourceManager::listDirectoryFiles(const std::string& di
 std::string ResourceManager::resolvePath(const std::string& path)
 {
     std::string fullPath;
-    if(boost::starts_with(path, "/"))
+    if(stdext::starts_with(path, "/"))
         fullPath = path;
     else {
         std::string scriptPath = "/" + g_lua.getCurrentSourcePath();
@@ -270,9 +270,9 @@ std::string ResourceManager::resolvePath(const std::string& path)
             fullPath += scriptPath + "/";
         fullPath += path;
     }
-    if(!(boost::starts_with(fullPath, "/")))
+    if(!(stdext::starts_with(fullPath, "/")))
         g_logger.traceWarning(stdext::format("the following file path is not fully resolved: %s", path));
-    boost::replace_all(fullPath, "//", "/");
+    stdext::replace_all(fullPath, "//", "/");
     return fullPath;
 }
 
diff --git a/src/framework/graphics/animatedtexture.h b/src/framework/graphics/animatedtexture.h
index aef89173..977ab4e1 100644
--- a/src/framework/graphics/animatedtexture.h
+++ b/src/framework/graphics/animatedtexture.h
@@ -34,7 +34,7 @@ public:
     void enableBilinearFilter();
     void processAnimation();
 
-    AnimatedTexturePtr asAnimatedTexture() { return self_cast<AnimatedTexture>(); }
+    AnimatedTexturePtr asAnimatedTexture() { return static_self_cast<AnimatedTexture>(); }
 
 private:
     std::vector<uint> m_framesTextureId;
diff --git a/src/framework/graphics/declarations.h b/src/framework/graphics/declarations.h
index 65b5f76a..1533faf4 100644
--- a/src/framework/graphics/declarations.h
+++ b/src/framework/graphics/declarations.h
@@ -44,21 +44,21 @@ class ParticleSystem;
 class ParticleEffect;
 class ParticleEffectType;
 
-typedef boost::intrusive_ptr<Image> ImagePtr;
-typedef boost::intrusive_ptr<Texture> TexturePtr;
-typedef boost::intrusive_ptr<AnimatedTexture> AnimatedTexturePtr;
-typedef boost::intrusive_ptr<BitmapFont> BitmapFontPtr;
-typedef boost::intrusive_ptr<CachedText> CachedTextPtr;
-typedef boost::intrusive_ptr<FrameBuffer> FrameBufferPtr;
-typedef boost::intrusive_ptr<Shader> ShaderPtr;
-typedef boost::intrusive_ptr<ShaderProgram> ShaderProgramPtr;
-typedef boost::intrusive_ptr<PainterShaderProgram> PainterShaderProgramPtr;
-typedef boost::intrusive_ptr<Particle> ParticlePtr;
-typedef boost::intrusive_ptr<ParticleEmitter> ParticleEmitterPtr;
-typedef boost::intrusive_ptr<ParticleAffector> ParticleAffectorPtr;
-typedef boost::intrusive_ptr<ParticleSystem> ParticleSystemPtr;
-typedef boost::intrusive_ptr<ParticleEffect> ParticleEffectPtr;
-typedef boost::intrusive_ptr<ParticleEffectType> ParticleEffectTypePtr;
+typedef stdext::shared_object_ptr<Image> ImagePtr;
+typedef stdext::shared_object_ptr<Texture> TexturePtr;
+typedef stdext::shared_object_ptr<AnimatedTexture> AnimatedTexturePtr;
+typedef stdext::shared_object_ptr<BitmapFont> BitmapFontPtr;
+typedef stdext::shared_object_ptr<CachedText> CachedTextPtr;
+typedef stdext::shared_object_ptr<FrameBuffer> FrameBufferPtr;
+typedef stdext::shared_object_ptr<Shader> ShaderPtr;
+typedef stdext::shared_object_ptr<ShaderProgram> ShaderProgramPtr;
+typedef stdext::shared_object_ptr<PainterShaderProgram> PainterShaderProgramPtr;
+typedef stdext::shared_object_ptr<Particle> ParticlePtr;
+typedef stdext::shared_object_ptr<ParticleEmitter> ParticleEmitterPtr;
+typedef stdext::shared_object_ptr<ParticleAffector> ParticleAffectorPtr;
+typedef stdext::shared_object_ptr<ParticleSystem> ParticleSystemPtr;
+typedef stdext::shared_object_ptr<ParticleEffect> ParticleEffectPtr;
+typedef stdext::shared_object_ptr<ParticleEffectType> ParticleEffectTypePtr;
 typedef std::vector<ShaderPtr> ShaderList;
 
 #endif
diff --git a/src/framework/graphics/fontmanager.cpp b/src/framework/graphics/fontmanager.cpp
index 15367330..0f2480d0 100644
--- a/src/framework/graphics/fontmanager.cpp
+++ b/src/framework/graphics/fontmanager.cpp
@@ -48,7 +48,7 @@ void FontManager::clearFonts()
 bool FontManager::importFont(std::string fontFile)
 {
     try {
-        if(!boost::ends_with(fontFile, ".otfont"))
+        if(!stdext::ends_with(fontFile, ".otfont"))
             fontFile += ".otfont";
 
         OTMLDocumentPtr doc = OTMLDocument::parse(fontFile);
diff --git a/src/framework/graphics/image.cpp b/src/framework/graphics/image.cpp
index dd9f3e1d..2561925e 100644
--- a/src/framework/graphics/image.cpp
+++ b/src/framework/graphics/image.cpp
@@ -40,7 +40,7 @@ ImagePtr Image::load(const std::string& file)
     ImagePtr image;
     try {
         // currently only png images are supported
-        if(!boost::ends_with(file, ".png"))
+        if(!stdext::ends_with(file, ".png"))
             stdext::throw_exception("image file format no supported");
 
         // load image file data
diff --git a/src/framework/graphics/particlesystem.cpp b/src/framework/graphics/particlesystem.cpp
index 664ea844..cd71ff4b 100644
--- a/src/framework/graphics/particlesystem.cpp
+++ b/src/framework/graphics/particlesystem.cpp
@@ -84,7 +84,7 @@ void ParticleSystem::update()
         return;
     m_lastUpdateTime = g_clock.seconds() - std::fmod(elapsedTime, delay);
 
-    auto self = self_cast<ParticleSystem>();
+    auto self = static_self_cast<ParticleSystem>();
     for(int i = 0; i < elapsedTime / delay; ++i) {
 
         // update emitters
diff --git a/src/framework/graphics/texturemanager.cpp b/src/framework/graphics/texturemanager.cpp
index 1f4ca7ea..4bc9ea00 100644
--- a/src/framework/graphics/texturemanager.cpp
+++ b/src/framework/graphics/texturemanager.cpp
@@ -63,7 +63,7 @@ TexturePtr TextureManager::getTexture(const std::string& fileName)
     if(!texture) {
         try {
             // currently only png textures are supported
-            if(!boost::ends_with(filePath, ".png"))
+            if(!stdext::ends_with(filePath, ".png"))
                 stdext::throw_exception("texture file format no supported");
 
             // load texture file data
diff --git a/src/framework/luaengine/declarations.h b/src/framework/luaengine/declarations.h
index 717b210f..f34d0204 100644
--- a/src/framework/luaengine/declarations.h
+++ b/src/framework/luaengine/declarations.h
@@ -25,11 +25,13 @@
 
 #include <framework/global.h>
 
+#include <memory>
+
 class LuaInterface;
 class LuaObject;
 
 typedef std::function<int(LuaInterface*)> LuaCppFunction;
 typedef std::unique_ptr<LuaCppFunction> LuaCppFunctionPtr;
-typedef boost::intrusive_ptr<LuaObject> LuaObjectPtr;
+typedef stdext::shared_object_ptr<LuaObject> LuaObjectPtr;
 
 #endif
diff --git a/src/framework/luaengine/luabinder.h b/src/framework/luaengine/luabinder.h
index d3df7543..0c3b9757 100644
--- a/src/framework/luaengine/luabinder.h
+++ b/src/framework/luaengine/luabinder.h
@@ -27,6 +27,9 @@
 #include "luainterface.h"
 #include "luaexception.h"
 
+#include <framework/stdext/traits.h>
+#include <tuple>
+
 /// This namespace contains some dirty metaprogamming that uses a lot of C++0x features
 /// The purpose here is to create templates that can bind any function from C++
 /// and expose in lua environment. This is done combining variadic templates,
@@ -36,12 +39,6 @@
 /// pushes the result to lua.
 namespace luabinder
 {
-    /// Removes const references, transforming 'const T&' into 'T'
-    template<typename T>
-    struct remove_const_ref {
-        typedef typename std::remove_const<typename std::remove_reference<T>::type>::type type;
-    };
-
     /// Pack arguments from lua stack into a tuple recursively
     template<int N>
     struct pack_values_into_tuple {
@@ -117,8 +114,8 @@ namespace luabinder
     /// Bind a std::function
     template<typename Ret, typename... Args>
     LuaCppFunction bind_fun(const std::function<Ret(Args...)>& f) {
-        typedef typename std::tuple<typename remove_const_ref<Args>::type...> Tuple;
-        return bind_fun_specializer<typename remove_const_ref<Ret>::type,
+        typedef typename std::tuple<typename stdext::remove_const_ref<Args>::type...> Tuple;
+        return bind_fun_specializer<typename stdext::remove_const_ref<Ret>::type,
                                     decltype(f),
                                     Tuple>(f);
     }
@@ -130,8 +127,8 @@ namespace luabinder
     template<typename Lambda, typename Ret, typename... Args>
     struct bind_lambda_fun<Ret(Lambda::*)(Args...) const> {
         static LuaCppFunction call(const Lambda& f) {
-            typedef typename std::tuple<typename remove_const_ref<Args>::type...> Tuple;
-            return bind_fun_specializer<typename remove_const_ref<Ret>::type,
+            typedef typename std::tuple<typename stdext::remove_const_ref<Args>::type...> Tuple;
+            return bind_fun_specializer<typename stdext::remove_const_ref<Ret>::type,
                                         decltype(f),
                                         Tuple>(f);
 
@@ -152,18 +149,18 @@ namespace luabinder
 
     /// Create member function lambdas
     template<typename Ret, typename C, typename... Args>
-    std::function<Ret(const boost::intrusive_ptr<C>&, const Args&...)> make_mem_func(Ret (C::* f)(Args...)) {
+    std::function<Ret(const stdext::shared_object_ptr<C>&, const Args&...)> make_mem_func(Ret (C::* f)(Args...)) {
         auto mf = std::mem_fn(f);
-        return [=](const boost::intrusive_ptr<C>& obj, const Args&... args) mutable -> Ret {
+        return [=](const stdext::shared_object_ptr<C>& obj, const Args&... args) mutable -> Ret {
             if(!obj)
                 throw LuaException("failed to call a member function because the passed object is nil");
             return mf(obj.get(), args...);
         };
     }
     template<typename C, typename... Args>
-    std::function<void(const boost::intrusive_ptr<C>&, const Args&...)> make_mem_func(void (C::* f)(Args...)) {
+    std::function<void(const stdext::shared_object_ptr<C>&, const Args&...)> make_mem_func(void (C::* f)(Args...)) {
         auto mf = std::mem_fn(f);
-        return [=](const boost::intrusive_ptr<C>& obj, const Args&... args) mutable -> void {
+        return [=](const stdext::shared_object_ptr<C>& obj, const Args&... args) mutable -> void {
             if(!obj)
                 throw LuaException("failed to call a member function because the passed object is nil");
             mf(obj.get(), args...);
@@ -186,9 +183,9 @@ namespace luabinder
     /// Bind member functions
     template<typename C, typename Ret, class FC, typename... Args>
     LuaCppFunction bind_mem_fun(Ret (FC::* f)(Args...)) {
-        typedef typename std::tuple<boost::intrusive_ptr<FC>, typename remove_const_ref<Args>::type...> Tuple;
+        typedef typename std::tuple<stdext::shared_object_ptr<FC>, typename stdext::remove_const_ref<Args>::type...> Tuple;
         auto lambda = make_mem_func<Ret,FC>(f);
-        return bind_fun_specializer<typename remove_const_ref<Ret>::type,
+        return bind_fun_specializer<typename stdext::remove_const_ref<Ret>::type,
                                     decltype(lambda),
                                     Tuple>(lambda);
     }
@@ -196,10 +193,10 @@ namespace luabinder
     /// Bind singleton member functions
     template<typename C, typename Ret, class FC, typename... Args>
     LuaCppFunction bind_singleton_mem_fun(Ret (FC::*f)(Args...), C *instance) {
-        typedef typename std::tuple<typename remove_const_ref<Args>::type...> Tuple;
+        typedef typename std::tuple<typename stdext::remove_const_ref<Args>::type...> Tuple;
         assert(instance);
         auto lambda = make_mem_func_singleton<Ret,FC>(f, static_cast<FC*>(instance));
-        return bind_fun_specializer<typename remove_const_ref<Ret>::type,
+        return bind_fun_specializer<typename stdext::remove_const_ref<Ret>::type,
                                     decltype(lambda),
                                     Tuple>(lambda);
     }
@@ -209,7 +206,7 @@ namespace luabinder
     LuaCppFunction bind_mem_fun(int (C::*f)(LuaInterface*)) {
         auto mf = std::mem_fn(f);
         return [=](LuaInterface* lua) -> int {
-            auto obj = lua->castValue<boost::intrusive_ptr<C>>(1);
+            auto obj = lua->castValue<stdext::shared_object_ptr<C>>(1);
             lua->remove(1);
             return mf(obj, lua);
         };
diff --git a/src/framework/luaengine/luainterface.cpp b/src/framework/luaengine/luainterface.cpp
index 6b7725b7..fc7a7ce0 100644
--- a/src/framework/luaengine/luainterface.cpp
+++ b/src/framework/luaengine/luainterface.cpp
@@ -325,7 +325,7 @@ void LuaInterface::loadScript(const std::string& fileName)
 {
     // resolve file full path
     std::string filePath = fileName;
-    if(!boost::starts_with(fileName, "/"))
+    if(!stdext::starts_with(fileName, "/"))
         filePath = getCurrentSourcePath() + "/" + filePath;
 
     std::string buffer = g_resources.loadFile(fileName);
@@ -341,7 +341,7 @@ void LuaInterface::loadFunction(const std::string& buffer, const std::string& so
     }
 
     std::string buf;
-    if(boost::starts_with(buffer, "function"))
+    if(stdext::starts_with(buffer, "function"))
         buf = stdext::format("__func = %s", buffer);
     else
         buf = stdext::format("__func = function(self)\n%s\nend", buffer);
@@ -553,7 +553,7 @@ int LuaInterface::luaScriptLoader(lua_State* L)
         g_lua.loadScript(fileName);
         return 1;
     } catch(stdext::exception& e) {
-        g_lua.pushString(stdext::mkstr("\n\t", e.what()));
+        g_lua.pushString(std::string("\n\t") + e.what());
         return 1;
     }
 }
@@ -561,7 +561,7 @@ int LuaInterface::luaScriptLoader(lua_State* L)
 int LuaInterface::lua_dofile(lua_State* L)
 {
     std::string fileName = g_lua.popString();
-    if(!boost::ends_with(fileName, ".lua"))
+    if(!stdext::ends_with(fileName, ".lua"))
         fileName += ".lua";
 
     try {
@@ -580,7 +580,7 @@ int LuaInterface::lua_dofiles(lua_State* L)
     std::string directory = g_lua.popString();
 
     for(const std::string& fileName : g_resources.listDirectoryFiles(directory)) {
-        if(!boost::ends_with(fileName, ".lua"))
+        if(!stdext::ends_with(fileName, ".lua"))
             continue;
 
         try {
@@ -597,7 +597,7 @@ int LuaInterface::lua_dofiles(lua_State* L)
 int LuaInterface::lua_loadfile(lua_State* L)
 {
     std::string fileName = g_lua.popString();
-    if(!boost::ends_with(fileName, ".lua"))
+    if(!stdext::ends_with(fileName, ".lua"))
         fileName += ".lua";
 
     try {
diff --git a/src/framework/luaengine/luainterface.h b/src/framework/luaengine/luainterface.h
index eb2ce366..2a223899 100644
--- a/src/framework/luaengine/luainterface.h
+++ b/src/framework/luaengine/luainterface.h
@@ -320,7 +320,7 @@ public:
 
     /// Pushes any type onto the stack
     template<typename T, typename... Args>
-    int polymorphicPush(T v, Args... args);
+    int polymorphicPush(const T& v, const Args&... args);
     int polymorphicPush() { return 0; }
 
     /// Casts a value from stack to any type
@@ -349,7 +349,7 @@ extern LuaInterface g_lua;
 #include "luavaluecasts.h"
 
 template<typename T, typename... Args>
-int LuaInterface::polymorphicPush(T v, Args... args) {
+int LuaInterface::polymorphicPush(const T& v, const Args&... args) {
     int r = push_luavalue(v);
     return r + polymorphicPush(args...);
 }
diff --git a/src/framework/luaengine/luaobject.h b/src/framework/luaengine/luaobject.h
index 242044b5..b2e61571 100644
--- a/src/framework/luaengine/luaobject.h
+++ b/src/framework/luaengine/luaobject.h
@@ -24,6 +24,7 @@
 #define LUAOBJECT_H
 
 #include "declarations.h"
+#include <typeinfo>
 
 /// LuaObject, all script-able classes have it as base
 // @bindclass
@@ -80,7 +81,7 @@ public:
         return stdext::demangle_name(typeid(*this).name());
     }
 
-    LuaObjectPtr asLuaObject() { return self_cast<LuaObject>(); }
+    LuaObjectPtr asLuaObject() { return static_self_cast<LuaObject>(); }
 
     void operator=(const LuaObject& other) { }
 
diff --git a/src/framework/luaengine/luavaluecasts.h b/src/framework/luaengine/luavaluecasts.h
index d7e98ae4..d93361b8 100644
--- a/src/framework/luaengine/luavaluecasts.h
+++ b/src/framework/luaengine/luavaluecasts.h
@@ -111,7 +111,7 @@ bool luavalue_cast(int index, LuaObjectPtr& obj);
 
 template<class T>
 typename std::enable_if<std::is_base_of<LuaObject, T>::value, bool>::type
-luavalue_cast(int index, boost::intrusive_ptr<T>& ptr);
+luavalue_cast(int index, stdext::shared_object_ptr<T>& ptr);
 
 // std::function
 template<typename Ret, typename... Args>
@@ -186,7 +186,7 @@ push_luavalue(const T& obj) {
 
 template<class T>
 typename std::enable_if<std::is_base_of<LuaObject, T>::value, bool>::type
-luavalue_cast(int index, boost::intrusive_ptr<T>& ptr) {
+luavalue_cast(int index, stdext::shared_object_ptr<T>& ptr) {
     LuaObjectPtr obj;
     if(!luavalue_cast(index, obj))
         return false;
diff --git a/src/framework/net/connection.cpp b/src/framework/net/connection.cpp
index d02397b1..d907a4e8 100644
--- a/src/framework/net/connection.cpp
+++ b/src/framework/net/connection.cpp
@@ -69,7 +69,7 @@ void Connection::connect(const std::string& host, uint16 port, const std::functi
 
     auto self = asConnection();
     m_resolver.async_resolve(query, [=](const boost::system::error_code& error, asio::ip::tcp::resolver::iterator endpointIterator) {
-        if(self->is_unique_ref())
+        if(self.is_unique())
             return;
         m_readTimer.cancel();
 
@@ -130,7 +130,7 @@ void Connection::write(uint8* buffer, uint16 size)
 
         // wait 1 ms to do the real send
         m_sendEvent = g_dispatcher.scheduleEvent([=] {
-            if(self->is_unique_ref())
+            if(self.is_unique())
                 return;
             //m_writeTimer.cancel();
 
diff --git a/src/framework/net/connection.h b/src/framework/net/connection.h
index 8ebfbabf..32270685 100644
--- a/src/framework/net/connection.h
+++ b/src/framework/net/connection.h
@@ -62,7 +62,7 @@ public:
     bool isConnecting() { return m_connecting; }
     bool isConnected() { return m_connected; }
 
-    ConnectionPtr asConnection() { return self_cast<Connection>(); }
+    ConnectionPtr asConnection() { return static_self_cast<Connection>(); }
 protected:
     void onConnect(const boost::system::error_code& error);
     void onWrite(const boost::system::error_code& error, size_t);
diff --git a/src/framework/net/declarations.h b/src/framework/net/declarations.h
index d4bbef67..e1c189ff 100644
--- a/src/framework/net/declarations.h
+++ b/src/framework/net/declarations.h
@@ -34,10 +34,10 @@ class Connection;
 class Protocol;
 class Server;
 
-typedef boost::intrusive_ptr<InputMessage> InputMessagePtr;
-typedef boost::intrusive_ptr<OutputMessage> OutputMessagePtr;
-typedef boost::intrusive_ptr<Connection> ConnectionPtr;
-typedef boost::intrusive_ptr<Protocol> ProtocolPtr;
-typedef boost::intrusive_ptr<Server> ServerPtr;
+typedef stdext::shared_object_ptr<InputMessage> InputMessagePtr;
+typedef stdext::shared_object_ptr<OutputMessage> OutputMessagePtr;
+typedef stdext::shared_object_ptr<Connection> ConnectionPtr;
+typedef stdext::shared_object_ptr<Protocol> ProtocolPtr;
+typedef stdext::shared_object_ptr<Server> ServerPtr;
 
 #endif
diff --git a/src/framework/net/protocol.h b/src/framework/net/protocol.h
index 7bc75c04..468f8cef 100644
--- a/src/framework/net/protocol.h
+++ b/src/framework/net/protocol.h
@@ -54,7 +54,7 @@ public:
     virtual void send(const OutputMessagePtr& outputMessage);
     void recv();
 
-    ProtocolPtr asProtocol() { return self_cast<Protocol>(); }
+    ProtocolPtr asProtocol() { return static_self_cast<Protocol>(); }
 
 protected:
     virtual void onConnect();
diff --git a/src/framework/otml/declarations.h b/src/framework/otml/declarations.h
index 141680e9..35de3b56 100644
--- a/src/framework/otml/declarations.h
+++ b/src/framework/otml/declarations.h
@@ -30,8 +30,8 @@ class OTMLDocument;
 class OTMLParser;
 class OTMLEmitter;
 
-typedef boost::intrusive_ptr<OTMLNode> OTMLNodePtr;
-typedef boost::intrusive_ptr<OTMLDocument> OTMLDocumentPtr;
+typedef stdext::shared_object_ptr<OTMLNode> OTMLNodePtr;
+typedef stdext::shared_object_ptr<OTMLDocument> OTMLDocumentPtr;
 typedef std::vector<OTMLNodePtr> OTMLNodeList;
 
 #endif
diff --git a/src/framework/otml/otmlnode.cpp b/src/framework/otml/otmlnode.cpp
index d6afd9dc..9c873cf4 100644
--- a/src/framework/otml/otmlnode.cpp
+++ b/src/framework/otml/otmlnode.cpp
@@ -84,7 +84,7 @@ OTMLNodePtr OTMLNode::at(const std::string& childTag)
 OTMLNodePtr OTMLNode::atIndex(int childIndex)
 {
     if(childIndex >= size() || childIndex < 0)
-        throw OTMLException(asOTMLNode(), stdext::mkstr("child node with index '%d' not found", childIndex));
+        throw OTMLException(asOTMLNode(), stdext::format("child node with index '%d' not found", childIndex));
     return m_children[childIndex];
 }
 
diff --git a/src/framework/otml/otmlnode.h b/src/framework/otml/otmlnode.h
index 6e9fac2a..6f732b6f 100644
--- a/src/framework/otml/otmlnode.h
+++ b/src/framework/otml/otmlnode.h
@@ -89,7 +89,7 @@ public:
 
     virtual std::string emit();
 
-    OTMLNodePtr asOTMLNode() { return self_cast<OTMLNode>(); }
+    OTMLNodePtr asOTMLNode() { return static_self_cast<OTMLNode>(); }
 
 protected:
     OTMLNode() : m_unique(false), m_null(false) { }
@@ -107,13 +107,13 @@ protected:
 template<>
 inline std::string OTMLNode::value<std::string>() {
     std::string value = m_value;
-    if(boost::starts_with(value, "\"") && boost::ends_with(value, "\"")) {
+    if(stdext::starts_with(value, "\"") && stdext::ends_with(value, "\"")) {
         value = value.substr(1, value.length()-2);
-        boost::replace_all(value, "\\\\", "\\");
-        boost::replace_all(value, "\\\"", "\"");
-        boost::replace_all(value, "\\t",  "\t");
-        boost::replace_all(value, "\\n",  "\n");
-        boost::replace_all(value, "\\'",  "\'");
+        stdext::replace_all(value, "\\\\", "\\");
+        stdext::replace_all(value, "\\\"", "\"");
+        stdext::replace_all(value, "\\t",  "\t");
+        stdext::replace_all(value, "\\n",  "\n");
+        stdext::replace_all(value, "\\'",  "\'");
     }
     return value;
 }
diff --git a/src/framework/otml/otmlparser.cpp b/src/framework/otml/otmlparser.cpp
index cfc2c3e9..cda76338 100644
--- a/src/framework/otml/otmlparser.cpp
+++ b/src/framework/otml/otmlparser.cpp
@@ -80,14 +80,14 @@ void OTMLParser::parseLine(std::string line)
         return;
 
     // remove line sides spaces
-    boost::trim(line);
+    stdext::trim(line);
 
     // skip empty lines
     if(line.empty())
         return;
 
     // skip comments
-    if(boost::starts_with(line, "//"))
+    if(stdext::starts_with(line, "//"))
         return;
 
     // a depth above, change current parent to the previous added node
@@ -119,7 +119,7 @@ void OTMLParser::parseNode(const std::string& data)
     // node that has no tag and may have a value
     if(!data.empty() && data[0] == '-') {
         value = data.substr(1);
-        boost::trim(value);
+        stdext::trim(value);
     // node that has tag and possible a value
     } else if(dotsPos != std::string::npos) {
         tag = data.substr(0, dotsPos);
@@ -130,8 +130,8 @@ void OTMLParser::parseNode(const std::string& data)
         tag = data;
     }
 
-    boost::trim(tag);
-    boost::trim(value);
+    stdext::trim(tag);
+    stdext::trim(value);
 
     // process multitine values
     if(value == "|" || value == "|-" || value == "|+") {
@@ -148,7 +148,7 @@ void OTMLParser::parseNode(const std::string& data)
             // it has contents below the current depth
             } else {
                 // if not empty, its a node
-                boost::trim(line);
+                stdext::trim(line);
                 if(!line.empty()) {
                     // rewind and break
                     in.seekg(lastPos, std::ios::beg);
@@ -188,11 +188,13 @@ void OTMLParser::parseNode(const std::string& data)
     if(value == "~")
         node->setNull(true);
     else {
-        if(boost::starts_with(value, "[") && boost::ends_with(value, "]")) {
+        if(stdext::starts_with(value, "[") && stdext::ends_with(value, "]")) {
             std::string tmp = value.substr(1, value.length()-2);
             boost::tokenizer<boost::escaped_list_separator<char>> tokens(tmp);
-            for(std::string v : tokens)
-                node->writeIn(stdext::trim(v));
+            for(std::string v : tokens) {
+                stdext::trim(v);
+                node->writeIn(v);
+            }
         } else
             node->setValue(value);
     }
diff --git a/src/framework/pch.h b/src/framework/pch.h
index 3c408a6b..de9da521 100644
--- a/src/framework/pch.h
+++ b/src/framework/pch.h
@@ -28,40 +28,19 @@
 #include <cstdlib>
 #include <cstring>
 #include <cassert>
-#include <ctime>
 #include <cmath>
-#include <csignal>
 
 // common STL headers
 #include <iostream>
 #include <sstream>
-#include <fstream>
 #include <string>
 #include <vector>
 #include <list>
-#include <bitset>
-#include <queue>
 #include <deque>
-#include <stack>
 #include <map>
 #include <algorithm>
-#include <exception>
-#include <memory>
-#include <type_traits>
-#include <tuple>
 #include <functional>
-#include <typeinfo>
 #include <array>
-#include <iomanip>
 #include <unordered_map>
-#include <random>
-#include <chrono>
-#include <thread>
-#include <mutex>
-#include <atomic>
-#include <thread>
-
-// boost utilities
-#include <boost/algorithm/string.hpp>
 
 #endif
diff --git a/src/framework/platform/win32window.cpp b/src/framework/platform/win32window.cpp
index 970b8f86..93c6b1d9 100644
--- a/src/framework/platform/win32window.cpp
+++ b/src/framework/platform/win32window.cpp
@@ -948,7 +948,7 @@ std::string WIN32Window::getClipboardText()
     if(hglb) {
         LPTSTR lptstr = (LPTSTR)GlobalLock(hglb);
         if(lptstr) {
-            text = stdext::utf8StringToLatin1((uchar*)lptstr);
+            text = stdext::utf8_to_latin1((uchar*)lptstr);
             GlobalUnlock(hglb);
         }
     }
diff --git a/src/framework/platform/x11window.cpp b/src/framework/platform/x11window.cpp
index 546d8b80..aa978eb2 100644
--- a/src/framework/platform/x11window.cpp
+++ b/src/framework/platform/x11window.cpp
@@ -1037,7 +1037,7 @@ std::string X11Window::getClipboardText()
 
         // hack to wait SelectioNotify event, otherwise we will get wrong clipboard pastes
         // TODO: fix this in a correct way
-        usleep(100 * 1000);
+        stdext::millisleep(100);
 
         // check for data
         Atom type;
@@ -1052,7 +1052,7 @@ std::string X11Window::getClipboardText()
                             &bytesLeft,
                             &data);
         if(len > 0) {
-            clipboardText = stdext::utf8StringToLatin1(data);
+            clipboardText = stdext::utf8_to_latin1(data);
         }
     }
 
diff --git a/src/framework/sound/declarations.h b/src/framework/sound/declarations.h
index f91cb2dd..251d7790 100644
--- a/src/framework/sound/declarations.h
+++ b/src/framework/sound/declarations.h
@@ -38,11 +38,11 @@ class StreamSoundSource;
 class CombinedSoundSource;
 class OggSoundFile;
 
-typedef boost::intrusive_ptr<SoundSource> SoundSourcePtr;
-typedef boost::intrusive_ptr<SoundFile> SoundFilePtr;
-typedef boost::intrusive_ptr<SoundBuffer> SoundBufferPtr;
-typedef boost::intrusive_ptr<StreamSoundSource> StreamSoundSourcePtr;
-typedef boost::intrusive_ptr<CombinedSoundSource> CombinedSoundSourcePtr;
-typedef boost::intrusive_ptr<OggSoundFile> OggSoundFilePtr;
+typedef stdext::shared_object_ptr<SoundSource> SoundSourcePtr;
+typedef stdext::shared_object_ptr<SoundFile> SoundFilePtr;
+typedef stdext::shared_object_ptr<SoundBuffer> SoundBufferPtr;
+typedef stdext::shared_object_ptr<StreamSoundSource> StreamSoundSourcePtr;
+typedef stdext::shared_object_ptr<CombinedSoundSource> CombinedSoundSourcePtr;
+typedef stdext::shared_object_ptr<OggSoundFile> OggSoundFilePtr;
 
 #endif
diff --git a/src/framework/stdext/any.h b/src/framework/stdext/any.h
new file mode 100644
index 00000000..47f979b7
--- /dev/null
+++ b/src/framework/stdext/any.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef STDEXT_ANY_H
+#define STDEXT_ANY_H
+
+#include <algorithm>
+#include <cassert>
+#include <typeinfo>
+
+namespace stdext {
+
+class any {
+public:
+    struct placeholder {
+        virtual ~placeholder()  { }
+        virtual const std::type_info& type() const = 0;
+        virtual placeholder* clone() const = 0;
+    };
+
+    template<typename T>
+    struct holder : public placeholder {
+        holder(const T& value) : held(value) { }
+        const std::type_info& type() const { return typeid(T); }
+        placeholder* clone() const { return new holder(held); }
+        T held;
+    private:
+        holder& operator=(const holder &);
+    };
+
+    placeholder* content;
+
+    any() : content(nullptr) { }
+    any(const any& other) : content(other.content ? other.content->clone() : nullptr) { }
+    template<typename T> any(const T& value) : content(new holder<T>(value)) { }
+    ~any() { if(content) delete content; }
+
+    any& swap(any& rhs) { std::swap(content, rhs.content); return *this; }
+
+    template<typename T> any& operator=(const T& rhs) { any(rhs).swap(*this); return *this; }
+    any& operator=(any rhs) { rhs.swap(*this); return *this; }
+
+    bool empty() const { return !content; }
+    template<typename T> const T& cast() const;
+    const std::type_info & type() const { return content ? content->type() : typeid(void); }
+};
+
+template<typename T>
+const T& any_cast(const any& operand) {
+    assert(operand.type() == typeid(T));
+    return static_cast<any::holder<T>*>(operand.content)->held;
+}
+
+template<typename T> const T& any::cast() const { return any_cast<T>(*this); }
+
+}
+
+#endif
diff --git a/src/framework/stdext/cast.h b/src/framework/stdext/cast.h
index 2126af22..26337d76 100644
--- a/src/framework/stdext/cast.h
+++ b/src/framework/stdext/cast.h
@@ -23,15 +23,13 @@
 #ifndef STDEXT_CAST_H
 #define STDEXT_CAST_H
 
-namespace stdext {
-template<typename R, typename T> R safe_cast(const T& t);
-template<typename R, typename T> R unsafe_cast(const T& t, R def = R());
-}
-
-#include "string.h"
 #include "exception.h"
 #include "demangle.h"
 
+#include <sstream>
+#include <iostream>
+#include <cstdlib>
+
 namespace stdext {
 
 // cast a type to another type
@@ -142,7 +140,9 @@ public:
     virtual ~cast_exception() throw() { }
     template<class T, class R>
     void update_what() {
-        m_what = format("failed to cast value of type '%s' to type '%s'", demangle_type<T>(), demangle_type<R>());
+        std::stringstream ss;
+        ss << "failed to cast value of type '" << demangle_type<T>() << "' to type '" << demangle_type<R>() << "'";
+        m_what = ss.str();
     }
     virtual const char* what() const throw() { return m_what.c_str(); }
 private:
@@ -163,14 +163,15 @@ R safe_cast(const T& t) {
 
 // cast a type to another type, cast errors are ignored
 template<typename R, typename T>
-R unsafe_cast(const T& t, R def) {
+R unsafe_cast(const T& t, R def = R()) {
     try {
         return safe_cast<R,T>(t);
     } catch(cast_exception& e) {
-        std::cout << "CAST ERROR: " << e.what() << std::endl;
+        std::cerr << "CAST ERROR: " << e.what() << std::endl;
         return def;
     }
 }
+
 }
 
 #endif
diff --git a/src/framework/stdext/compiler.h b/src/framework/stdext/compiler.h
index 061dcf7a..555bff2e 100644
--- a/src/framework/stdext/compiler.h
+++ b/src/framework/stdext/compiler.h
@@ -25,7 +25,6 @@
 
 #ifdef __clang__
     // clang is supported
-    #undef _GLIBCXX_USE_FLOAT128
 #elif defined(__GNUC__)
     #if !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
     #error "Sorry, you need gcc 4.6 or greater to compile."
diff --git a/src/framework/stdext/demangle.cpp b/src/framework/stdext/demangle.cpp
new file mode 100644
index 00000000..9ba35f21
--- /dev/null
+++ b/src/framework/stdext/demangle.cpp
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "demangle.h"
+
+#include <cxxabi.h>
+#include <cstring>
+#include <cstdlib>
+
+namespace stdext {
+
+const char* demangle_name(const char* name)
+{
+    size_t len;
+    int status;
+    static char buffer[1024];
+    char* demangled = abi::__cxa_demangle(name, 0, &len, &status);
+    if(demangled) {
+        strcpy(buffer, demangled);
+        free(demangled);
+    }
+    return buffer;
+}
+
+}
diff --git a/src/framework/stdext/demangle.h b/src/framework/stdext/demangle.h
index 01fcf872..b834ef53 100644
--- a/src/framework/stdext/demangle.h
+++ b/src/framework/stdext/demangle.h
@@ -23,29 +23,16 @@
 #ifndef STDEXT_DEMANGLE_H
 #define STDEXT_DEMANGLE_H
 
-#include <cxxabi.h>
+#include <typeinfo>
 #include <string>
 
 namespace stdext {
 
 /// Demangle names for GNU g++ compiler
-inline std::string demangle_name(const char* name) {
-    size_t len;
-    int status;
-    std::string ret;
-    char* demangled = abi::__cxa_demangle(name, 0, &len, &status);
-    if(demangled) {
-        ret = demangled;
-        free(demangled);
-    }
-    return ret;
-}
+const char* demangle_name(const char* name);
 
 /// Returns the name of a type
-template<typename T>
-std::string demangle_type() {
-    return demangle_name(typeid(T).name());
-}
+template<typename T> std::string demangle_type() { return demangle_name(typeid(T).name()); }
 
 }
 
diff --git a/src/framework/stdext/dumper.h b/src/framework/stdext/dumper.h
index a0147d3f..3a5bb957 100644
--- a/src/framework/stdext/dumper.h
+++ b/src/framework/stdext/dumper.h
@@ -27,30 +27,13 @@
 
 namespace stdext {
 
-namespace dumper {
-
-struct dumper_dummy {
-    ~dumper_dummy() { std::cout << std::endl; }
-    template<class T>
-    dumper_dummy& operator<<(const T& v) {
-        std::cout << v << " ";
-        return *this;
-    }
-};
-
-struct dumper_util {
-    dumper_util() { }
-    template<class T>
-    dumper_dummy operator<<(const T& v) const {
-        dumper_dummy d;
-        d << v;
-        return d;
-    }
-};
-
-}
-
-const static dumper::dumper_util dump;
+static struct {
+    struct dumper_dummy {
+        ~dumper_dummy() { std::cout << std::endl; }
+        template<class T> dumper_dummy& operator<<(const T& v) { std::cout << v << " "; return *this; }
+    };
+    template<class T> dumper_dummy operator<<(const T& v) const { dumper_dummy d; d << v; return d; }
+} dump;
 
 }
 
diff --git a/src/framework/stdext/dynamic_storage.h b/src/framework/stdext/dynamic_storage.h
new file mode 100644
index 00000000..9d8f230e
--- /dev/null
+++ b/src/framework/stdext/dynamic_storage.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef STDEXT_DYNAMICSTORAGE_H
+#define STDEXT_DYNAMICSTORAGE_H
+
+#include "types.h"
+#include "any.h"
+#include <unordered_map>
+
+namespace stdext {
+
+template<typename Key>
+class dynamic_storage {
+public:
+    template<typename T> void set(const Key& k, const T& value) { m_map[k] = value; }
+    template<typename T> T get(const Key& k) const {
+        auto it = m_map.find(k);
+        if(it != m_map.end())
+            return any_cast<T>(it->second);
+        return T();
+    }
+    bool has(const Key& k) const { return m_map.find(k) != m_map.end(); }
+
+    std::size_t size() const { return m_map.size(); }
+    void clear() { m_map.clear(); }
+
+private:
+    std::unordered_map<Key, any> m_map;
+};
+
+}
+
+#endif
diff --git a/src/framework/stdext/exception.h b/src/framework/stdext/exception.h
index cc795aa9..e717884a 100644
--- a/src/framework/stdext/exception.h
+++ b/src/framework/stdext/exception.h
@@ -34,9 +34,7 @@ public:
     exception() { }
     exception(const std::string& what) : m_what(what) { }
     virtual ~exception() throw() { };
-
     virtual const char* what() const throw() { return m_what.c_str(); }
-
 protected:
     std::string m_what;
 };
diff --git a/src/framework/stdext/format.h b/src/framework/stdext/format.h
new file mode 100644
index 00000000..2b47464a
--- /dev/null
+++ b/src/framework/stdext/format.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef STDEXT_FORMAT_H
+#define STDEXT_FORMAT_H
+
+#include "traits.h"
+
+#include <string>
+#include <cstdio>
+#include <cassert>
+#include <tuple>
+#include <iostream>
+#include <sstream>
+#include <iomanip>
+
+namespace stdext {
+
+template<class T> void print_ostream(std::ostringstream& stream, const T& last) { stream << last; }
+template<class T, class... Args>
+void print_ostream(std::ostringstream& stream, const T& first, const Args&... rest) { stream << "\t" << first; print_ostream(stream, rest...); }
+template<class... T>
+
+/// Utility for printing variables just like lua
+void print(const T&... args) { std::ostringstream buf; print_ostream(buf, args...); std::cout << buf.str() << std::endl; }
+
+template<typename T>
+typename std::enable_if<std::is_integral<T>::value ||
+                        std::is_pointer<T>::value ||
+                        std::is_floating_point<T>::value ||
+                        std::is_enum<T>::value, T>::type sprintf_cast(const T& t) { return t; }
+inline const char *sprintf_cast(const std::string& s) { return s.c_str(); }
+
+template<int N> struct expand_snprintf {
+    template<typename Tuple, typename... Args> static int call(char *s, size_t maxlen, const char *format, const Tuple& tuple, const Args&... args) {
+        return expand_snprintf<N-1>::call(s, maxlen, format, tuple, sprintf_cast(std::get<N-1>(tuple)), args...); }};
+template<> struct expand_snprintf<0> {
+    template<typename Tuple, typename... Args> static int call(char *s, size_t maxlen, const char *format, const Tuple& tuple, const Args&... args) {
+        return snprintf(s, maxlen, format, args...); }};
+
+/// Improved snprintf that accepts std::string and other types
+template<typename... Args>
+int snprintf(char *s, size_t maxlen, const char *format, const Args&... args) {
+    std::tuple<typename replace_extent<Args>::type...> tuple(args...);
+    return expand_snprintf<std::tuple_size<decltype(tuple)>::value>::call(s, maxlen, format, tuple);
+}
+
+/// Format strings with the sprintf style, accepting std::string and string convertible types for %s
+template<typename... Args>
+std::string format(const std::string& format, const Args&... args) {
+    int n, size = 1024;
+    std::string str;
+    while(true) {
+        str.resize(size);
+        n = snprintf(&str[0], size, format.c_str(), args...);
+        assert(n != -1);
+        if(n < size) {
+            str.resize(n);
+            return str;
+        }
+        size *= 2;
+    }
+}
+
+}
+
+#endif
diff --git a/src/framework/stdext/math.cpp b/src/framework/stdext/math.cpp
new file mode 100644
index 00000000..ad92e556
--- /dev/null
+++ b/src/framework/stdext/math.cpp
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "math.h"
+#include <random>
+
+namespace stdext {
+
+uint32_t adler32(const uint8_t *buffer, size_t size) {
+    register size_t a = 1, b = 0, tlen;
+    while(size > 0) {
+        tlen = size > 5552 ? 5552 : size;
+        size -= tlen;
+        do {
+            a += *buffer++;
+            b += a;
+        } while (--tlen);
+
+        a %= 65521;
+        b %= 65521;
+    }
+    return (b << 16) | a;
+}
+
+long random_range(long min, long max)
+{
+    static std::random_device rd;
+    static std::mt19937 gen(rd());
+    static std::uniform_int_distribution<long> dis(0, 2147483647);
+    return min + (dis(gen) % (max - min + 1));
+}
+
+float random_range(float min, float max)
+{
+    static std::random_device rd;
+    static std::mt19937 gen(rd());
+    static std::uniform_real_distribution<float> dis(0.0, 1.0);
+    return min + (max - min)*dis(gen);
+}
+
+}
\ No newline at end of file
diff --git a/src/framework/stdext/math.h b/src/framework/stdext/math.h
index 86370c53..c5bbeecf 100644
--- a/src/framework/stdext/math.h
+++ b/src/framework/stdext/math.h
@@ -24,65 +24,24 @@
 #define STDEXT_MATH_H
 
 #include "types.h"
-#include <random>
 
 namespace stdext {
 
-inline uint32 adler32(const uint8 *buffer, uint16 size) {
-    register uint32 a = 1, b = 0, tlen;
-    while(size > 0) {
-        tlen = size > 5552 ? 5552 : size;
-        size -= tlen;
-        do {
-            a += *buffer++;
-            b += a;
-        } while (--tlen);
+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; }
 
-        a %= 65521;
-        b %= 65521;
-    }
-    return (b << 16) | a;
-}
-
-inline bool is_power_of_two(uint32 v) {
-    return ((v != 0) && !(v & (v - 1)));
-}
-
-inline uint32 to_power_of_two(uint32 v) {
-    if(v == 0)
-        return 0;
-    uint32 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 readLE16(const uchar *addr) { return (uint16)addr[1] << 8 | addr[0]; }
-inline uint32 readLE32(const uchar *addr) { return (uint32)readLE16(addr + 2) << 16 | readLE16(addr); }
-inline uint64 readLE64(const uchar *addr) { return (uint64)readLE32(addr + 4) << 32 | readLE32(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 writeLE16(uchar *addr, uint16 value) { addr[1] = value >> 8; addr[0] = (uint8)value; }
-inline void writeLE32(uchar *addr, uint32 value) { writeLE16(addr + 2, value >> 16); writeLE16(addr, (uint16)value); }
-inline void writeLE64(uchar *addr, uint64 value) { writeLE32(addr + 4, value >> 32); writeLE32(addr, (uint32)value); }
+uint32_t adler32(const uint8_t *buffer, size_t size);
 
-template<typename T>
-T random_range(T min, T max);
-
-template<>
-inline int random_range<int>(int min, int max) {
-    static std::random_device rd;
-    static std::mt19937 gen(rd());
-    static std::uniform_int_distribution<int> dis(0, 2147483647);
-    return min + (dis(gen) % (max - min + 1));
-}
-
-template<>
-inline float random_range<float>(float min, float max) {
-    static std::random_device rd;
-    static std::mt19937 gen(rd());
-    static std::uniform_real_distribution<float> dis(0.0, 1.0);
-    return min + (max - min)*dis(gen);
-}
+long random_range(long min, long max);
+float random_range(float min, float max);
 
 }
 
diff --git a/src/framework/stdext/packed_any.h b/src/framework/stdext/packed_any.h
new file mode 100644
index 00000000..02ca7ace
--- /dev/null
+++ b/src/framework/stdext/packed_any.h
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef STDEXT_PACKEDANY_H
+#define STDEXT_PACKEDANY_H
+
+#include <algorithm>
+#include <cassert>
+#include <type_traits>
+#include <typeinfo>
+
+namespace stdext {
+
+// disable memory alignment
+#pragma pack(push,1)
+
+template<typename T>
+struct can_pack_in_any : std::integral_constant<bool,
+    (sizeof(T) <= sizeof(void*) && std::is_trivial<T>::value)> {};
+
+// improved to use less memory
+class packed_any {
+public:
+    struct placeholder {
+        virtual ~placeholder()  { }
+        virtual const std::type_info& type() const = 0;
+        virtual placeholder* clone() const = 0;
+    };
+
+    template<typename T>
+    struct holder : public placeholder {
+        holder(const T& value) : held(value) { }
+        const std::type_info& type() const { return typeid(T); }
+        placeholder* clone() const { return new holder(held); }
+        T held;
+    private:
+        holder& operator=(const holder &);
+    };
+
+    placeholder* content;
+    bool scalar;
+
+    packed_any() :
+        content(nullptr), scalar(false) { }
+    packed_any(const packed_any& other) :
+        content(!other.scalar && other.content ? other.content->clone() : other.content),
+        scalar(other.scalar) { }
+    template<typename T>
+    packed_any(const T& value, typename std::enable_if<(can_pack_in_any<T>::value)>::type* = nullptr) :
+        content(reinterpret_cast<placeholder*>(static_cast<std::size_t>(value))), scalar(true) { }
+    template<typename T>
+    packed_any(const T& value, typename std::enable_if<!(can_pack_in_any<T>::value)>::type* = nullptr) :
+        content(new holder<T>(value)), scalar(false) { }
+    ~packed_any()
+        { if(!scalar && content) delete content; }
+
+    packed_any& swap(packed_any& rhs) { std::swap(content, rhs.content); std::swap(scalar, rhs.scalar); return *this; }
+
+    template<typename T> packed_any& operator=(const T& rhs) { packed_any(rhs).swap(*this); return *this; }
+    packed_any& operator=(packed_any rhs) { rhs.swap(*this); return *this; }
+
+    bool empty() const { return !scalar && !content; }
+    template<typename T> T cast() const;
+    const std::type_info& type() const {
+        if(scalar)
+            return content ? content->type() : typeid(void);
+        else
+            return typeid(std::size_t);
+    }
+};
+
+template<typename T>
+T packed_any_cast(const packed_any& operand) {
+    if(operand.scalar) {
+        union {
+            T v;
+            packed_any::placeholder* content;
+        };
+        content = operand.content;
+        return v;
+    } else {
+        assert(operand.type() == typeid(T));
+        return static_cast<packed_any::holder<T>*>(operand.content)->held;
+    }
+}
+
+template<typename T> T packed_any::cast() const { return packed_any_cast<T>(*this); }
+
+// restore memory alignment
+#pragma pack(pop)
+
+}
+
+#endif
diff --git a/src/framework/stdext/attrib_storage.h b/src/framework/stdext/packed_storage.h
similarity index 55%
rename from src/framework/stdext/attrib_storage.h
rename to src/framework/stdext/packed_storage.h
index d203573c..840ca2ee 100644
--- a/src/framework/stdext/attrib_storage.h
+++ b/src/framework/stdext/packed_storage.h
@@ -20,63 +20,73 @@
  * THE SOFTWARE.
  */
 
-#ifndef STDEXT_ATTRIBSTORAGE_H
-#define STDEXT_ATTRIBSTORAGE_H
+#ifndef STDEXT_PACKEDSTORAGE_H
+#define STDEXT_PACKEDSTORAGE_H
 
 #include "types.h"
-#include <tuple>
-#include <boost/any.hpp>
+#include "packed_any.h"
+
+namespace stdext {
 
 // disable memory alignment
 #pragma pack(push,1)
 
 // this class was designed to use less memory as possible
-namespace stdext {
-class attrib_storage {
+template<typename Key, typename SizeType = uint8>
+class packed_storage {
+    struct value_pair {
+        Key id;
+        packed_any value;
+    };
+
 public:
-    attrib_storage() : m_attribs(nullptr), m_size(0) { }
-    ~attrib_storage() { if(m_attribs) delete[] m_attribs; }
+    packed_storage() : m_values(nullptr), m_size(0) { }
+    ~packed_storage() { if(m_values) delete[] m_values; }
 
     template<typename T>
-    void set(uint8 id, T value) {
-        bool done = false;
-        for(int i=0;i<m_size;++i) {
-            if(std::get<0>(m_attribs[i]) == id) {
-                std::get<1>(m_attribs[i]) = value;
-                done = true;
-                break;
+    void set(Key id, T value) {
+        for(SizeType i=0;i<m_size;++i) {
+            if(m_values[i].id == id) {
+                m_values[i].value = value;
+                return;
             }
         }
-        if(!done) {
-            auto attribs = new std::tuple<uint8, boost::any>[m_size+1];
-            if(m_size > 0) {
-                for(int i=0;i<m_size;++i)
-                    attribs[i] = m_attribs[i];
-                delete[] m_attribs;
-            }
-            m_attribs = attribs;
-            m_attribs[m_size++] = std::make_tuple(id, value);
+        auto tmp = new value_pair[m_size+1];
+        if(m_size > 0) {
+            std::copy(m_values, m_values + m_size, tmp);
+            delete[] m_values;
         }
+        m_values = tmp;
+        m_values[m_size++] = { id, packed_any(value) };
     }
 
     template<typename T>
-    T get(uint8 id) const {
-        for(int i=0;i<m_size;++i)
-            if(std::get<0>(m_attribs[i]) == id)
-                return boost::any_cast<T>(std::get<1>(m_attribs[i]));
+    T get(Key id) const {
+        for(SizeType i=0;i<m_size;++i)
+            if(m_values[i].id == id)
+                return packed_any_cast<T>(m_values[i].value);
         return T();
     }
 
-    bool has(uint8 id) const {
-        for(int i=0;i<m_size;++i)
-            if(std::get<0>(m_attribs[i]) == id)
+    bool has(Key id) const {
+        for(SizeType i=0;i<m_size;++i)
+            if(m_values[i].id == id)
                 return true;
         return false;
     }
 
+    void clear() {
+        if(m_values)
+            delete [] m_values;
+        m_values = nullptr;
+        m_size = 0;
+    }
+
+    std::size_t size() { return m_size; }
+
 private:
-    std::tuple<uint8, boost::any>* m_attribs;
-    uint8 m_size;
+    value_pair *m_values;
+    SizeType m_size;
 };
 
 // restore memory alignment
diff --git a/src/framework/stdext/packed_vector.h b/src/framework/stdext/packed_vector.h
new file mode 100644
index 00000000..6ac1a0fd
--- /dev/null
+++ b/src/framework/stdext/packed_vector.h
@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef STDEXT_PACKEDVECTOR_H
+#define STDEXT_PACKEDVECTOR_H
+
+#include <algorithm>
+
+namespace stdext {
+
+// disable memory alignment
+#pragma pack(push,1)
+
+template<class T, class U = uint8_t>
+class packed_vector
+{
+public:
+    typedef U                                        size_type;
+    typedef T*                                       iterator;
+    typedef const T*                                 const_iterator;
+    typedef std::reverse_iterator<iterator>          reverse_iterator;
+    typedef std::reverse_iterator<const_iterator>    const_reverse_iterator;
+
+    packed_vector() : m_size(0), m_data(nullptr) { }
+    packed_vector(size_type size) : m_size(size), m_data(new T[size]) { }
+    packed_vector(size_type size, const T& value) : m_size(size), m_data(new T[size](value)) { }
+    template <class InputIterator>
+    packed_vector(InputIterator first, InputIterator last) : m_size(last - first), m_data(new T[m_size]) { std::copy(first, last, m_data); }
+    packed_vector(const packed_vector<T>& other) : m_size(other.m_size), m_data(new T[other.m_size]) { std::copy(other.begin(), other.end(), m_data); }
+    ~packed_vector() { if(m_data) delete[] m_data; }
+
+    packed_vector<T,U>& operator=(packed_vector<T,U> other) { other.swap(*this); return *this; }
+
+    iterator begin() { return m_data; }
+    const_iterator begin() const { return m_data; }
+    const_iterator cbegin() const { return m_data; }
+    iterator end() { return m_data + m_size; }
+    const_iterator end() const { return m_data + m_size; }
+    const_iterator cend() const { return m_data + m_size; }
+
+    reverse_iterator rbegin() { return reverse_iterator(end()); }
+    const_reverse_iterator rbegin() const { return reverse_iterator(end()); }
+    const_reverse_iterator crbegin() const { return const_reverse_iterator(end()); }
+    reverse_iterator rend() { return reverse_iterator(begin()); }
+    const_reverse_iterator rend() const { return reverse_iterator(begin()); }
+    const_reverse_iterator crend() const { return const_reverse_iterator(begin()); }
+
+    size_type size() const { return m_size; }
+    bool empty() const { return m_size == 0; }
+
+    T& operator[](size_type i) { return m_data[i]; }
+    const T& operator[](size_type i) const { return m_data[i]; }
+    T& at(size_type i) { return m_data[i]; }
+    const T& at(size_type i) const { return m_data[i]; }
+
+    T& front() { return m_data[0]; }
+    const T& front() const { return m_data[0]; }
+    T& back() { return m_data[m_size-1]; }
+    const T& back() const { return m_data[m_size-1]; }
+
+    T *data() { return m_data; }
+    const T *data() const { return m_data; }
+
+    void clear() {
+        if(m_data) {
+            delete[] m_data;
+            m_data = nullptr;
+        }
+        m_size = 0;
+    }
+
+    void resize(size_type size) {
+        clear();
+        if(size > 0) {
+            m_data = new T[size];
+            m_size = size;
+        }
+    }
+
+    void push_back(const T& x) {
+        T *tmp = new T[m_size+1];
+        std::copy(m_data, m_data + m_size, tmp);
+        tmp[m_size] = x;
+        delete[] m_data;
+        m_data = tmp;
+        m_size++;
+    }
+
+    void pop_back() {
+        T *tmp = new T[m_size-1];
+        std::copy(m_data, m_data + m_size - 1, tmp);
+        delete[] m_data;
+        m_data = tmp;
+        m_size--;
+    }
+
+    iterator insert(const_iterator position, const T& x) {
+        T *tmp = new T[m_size+1];
+        size_type i = position - m_data;
+        std::copy(m_data, m_data + i, tmp);
+        tmp[i] = x;
+        std::copy(m_data + i, m_data + m_size, tmp + i + 1);
+        delete[] m_data;
+        m_data = tmp;
+        m_size++;
+        return tmp + i;
+    }
+
+    iterator erase(const_iterator position) {
+        T *tmp = new T[m_size-1];
+        size_type i = position - m_data;
+        std::copy(m_data, m_data + i, tmp);
+        std::copy(m_data + i + 1, m_data + m_size, tmp + i);
+        delete[] m_data;
+        m_data = tmp;
+        m_size--;
+        return tmp + i;
+    }
+
+    void swap(packed_vector<T,U>& other) { std::swap(m_size, other.m_size); std::swap(m_data, other.m_data); return *this; }
+
+    operator std::vector<T>() const { return std::vector<T>(begin(), end()); }
+
+private:
+    size_type m_size;
+    T* m_data;
+};
+
+// restore memory alignment
+#pragma pack(pop)
+
+namespace std {
+template<class T, class U> void swap(stdext::packed_vector<T,U>& lhs, stdext::packed_vector<T,U>& rhs) { lhs.swap(rhs); }
+}
+
+}
+
+#endif
diff --git a/src/framework/stdext/shared_object.h b/src/framework/stdext/shared_object.h
index a18c0857..730f966a 100644
--- a/src/framework/stdext/shared_object.h
+++ b/src/framework/stdext/shared_object.h
@@ -23,55 +23,107 @@
 #ifndef STDEXT_SHARED_OBJECT_H
 #define STDEXT_SHARED_OBJECT_H
 
-#include <boost/checked_delete.hpp>
-#include <boost/intrusive_ptr.hpp>
+#include <type_traits>
+#include <functional>
+#include <cassert>
+#include <ostream>
 
 namespace stdext {
 
+template<class T>
+class shared_object_ptr;
+
+typedef unsigned int refcount_t;
+
 class shared_object
 {
 public:
     shared_object() : m_refs(0) { }
     virtual ~shared_object() { }
     void add_ref() { ++m_refs; assert(m_refs != 0xffffffff); }
-    void dec_ref() {
-        if(--m_refs == 0)
-            boost::checked_delete(this);
-    }
-    bool is_unique_ref() { return m_refs == 1; }
-    unsigned long ref_count() { return m_refs; }
-    template<typename T>
-    boost::intrusive_ptr<T> self_cast() { return boost::intrusive_ptr<T>(static_cast<T*>(this)); }
-    template<typename T>
-    boost::intrusive_ptr<T> dynamic_self_cast() { return boost::intrusive_ptr<T>(dynamic_cast<T*>(this)); }
+    void dec_ref() { if(--m_refs == 0) delete this; }
+    refcount_t ref_count() { return m_refs; }
+
+    template<typename T> stdext::shared_object_ptr<T> static_self_cast() { return stdext::shared_object_ptr<T>(static_cast<T*>(this)); }
+    template<typename T> stdext::shared_object_ptr<T> dynamic_self_cast() { return stdext::shared_object_ptr<T>(dynamic_cast<T*>(this)); }
+    template<typename T> stdext::shared_object_ptr<T> const_self_cast() { return stdext::shared_object_ptr<T>(const_cast<T*>(this)); }
 
 private:
-    unsigned int m_refs;
+    refcount_t m_refs;
 };
 
-template<class T, typename... Args>
-boost::intrusive_ptr<T> make_shared_object(Args... args) { return boost::intrusive_ptr<T>(new T(args...)); }
+template<class T>
+class shared_object_ptr
+{
+public:
+    typedef T element_type;
 
-}
+    shared_object_ptr(): px(nullptr) { }
+    shared_object_ptr(T* p, bool add_ref = true) : px(p) {  if(px != nullptr && add_ref) this->add_ref(); }
+    shared_object_ptr(shared_object_ptr const& rhs): px(rhs.px) { if(px != nullptr) add_ref(); }
+    template<class U>
+    shared_object_ptr(shared_object_ptr<U> const& rhs, typename std::is_convertible<U,T>::type* = nullptr) : px(rhs.get()) { if(px != nullptr) add_ref(); }
+    ~shared_object_ptr() { if(px != nullptr) dec_ref(); }
 
-namespace std {
-template<typename T>
-struct hash<boost::intrusive_ptr<T>> : public __hash_base<size_t, boost::intrusive_ptr<T>> {
-    size_t operator()(const boost::intrusive_ptr<T>& p) const noexcept { return std::hash<T*>()(p.get()); }
-};
-}
+    void reset() { shared_object_ptr().swap(*this); }
+    void reset(T* rhs) { shared_object_ptr( rhs ).swap(*this); }
+    void swap(shared_object_ptr& rhs) { std::swap(px, rhs.px); }
+    T* get() const { return px; }
+
+    refcount_t use_count() const { return ((shared_object*)px)->ref_count(); }
+    bool is_unique() const { return use_count() == 1; }
+
+    template<class U> shared_object_ptr& operator=(shared_object_ptr<U> const& rhs) { shared_object_ptr(rhs).swap(*this); return *this; }
+
+    T& operator*() const { assert(px != nullptr); return *px; }
+    T* operator->() const { assert(px != nullptr); return px; }
+
+    shared_object_ptr& operator=(shared_object_ptr const& rhs) { shared_object_ptr(rhs).swap(*this); return *this; }
+    shared_object_ptr& operator=(T* rhs) { shared_object_ptr(rhs).swap(*this); return *this; }
 
-template<typename T>
-struct remove_const_ref {
-    typedef typename std::remove_const<typename std::remove_reference<T>::type>::type type;
+    // implicit conversion to bool
+    typedef T* shared_object_ptr::*unspecified_bool_type;
+    operator unspecified_bool_type() const { return px == nullptr ? nullptr : &shared_object_ptr::px; }
+    bool operator!() const { return px == nullptr; }
+
+    // std::move support
+    shared_object_ptr(shared_object_ptr&& rhs): px(rhs.px) { rhs.px = nullptr; }
+    shared_object_ptr& operator=(shared_object_ptr&& rhs) { shared_object_ptr(static_cast<shared_object_ptr&&>(rhs)).swap(*this); return *this; }
+
+private:
+    void add_ref() { ((shared_object*)px)->add_ref(); }
+    void dec_ref() { ((shared_object*)px)->dec_ref(); }
+
+    T* px;
 };
 
-template<typename T>
-void intrusive_ptr_add_ref(T* p) { (static_cast<stdext::shared_object*>(p))->add_ref(); }
+template<class T, class U> bool operator==(shared_object_ptr<T> const& a, shared_object_ptr<U> const& b) { return a.get() == b.get(); }
+template<class T, class U> bool operator!=(shared_object_ptr<T> const& a, shared_object_ptr<U> const& b) { return a.get() != b.get(); }
+template<class T, class U> bool operator==(shared_object_ptr<T> const& a, U* b) { return a.get() == b; }
+template<class T, class U> bool operator!=(shared_object_ptr<T> const& a, U* b) { return a.get() != b; }
+template<class T, class U> bool operator==(T * a, shared_object_ptr<U> const& b) { return a == b.get(); }
+template<class T, class U> bool operator!=(T * a, shared_object_ptr<U> const& b) { return a != b.get(); }
+template<class T> bool operator<(shared_object_ptr<T> const& a, shared_object_ptr<T> const& b) { return std::less<T*>()(a.get(), b.get()); }
 
-template<typename T>
-void intrusive_ptr_release(T* p) { (static_cast<stdext::shared_object*>(p))->dec_ref(); }
+template<class T> T* get_pointer(shared_object_ptr<T> const& p) { return p.get(); }
+template<class T, class U> shared_object_ptr<T> static_pointer_cast(shared_object_ptr<U> const& p) { return static_cast<T*>(p.get()); }
+template<class T, class U> shared_object_ptr<T> const_pointer_cast(shared_object_ptr<U> const& p) { return const_cast<T*>(p.get()); }
+template<class T, class U> shared_object_ptr<T> dynamic_pointer_cast(shared_object_ptr<U> const& p) { return dynamic_cast<T*>(p.get()); }
+template<class T, typename... Args> stdext::shared_object_ptr<T> make_shared_object(Args... args) { return stdext::shared_object_ptr<T>(new T(args...)); }
 
-#endif
+// operator<< support
+template<class E, class T, class Y> std::basic_ostream<E, T>& operator<<(std::basic_ostream<E, T>& os, shared_object_ptr<Y> const& p) { os << p.get(); return os; }
 
+}
 
+namespace std {
+
+// hash, for unordered_map support
+template<typename T> struct hash<stdext::shared_object_ptr<T>> { size_t operator()(const stdext::shared_object_ptr<T>& p) const { return std::hash<T*>()(p.get()); } };
+
+// swap support
+template<class T> void swap(stdext::shared_object_ptr<T>& lhs, stdext::shared_object_ptr<T>& rhs) { lhs.swap(rhs); }
+
+}
+
+#endif
diff --git a/src/framework/stdext/stdext.h b/src/framework/stdext/stdext.h
index 87e02fc6..01213698 100644
--- a/src/framework/stdext/stdext.h
+++ b/src/framework/stdext/stdext.h
@@ -24,16 +24,21 @@
 #define STDEXT_H
 
 #include "compiler.h"
+#include "dumper.h"
 #include "types.h"
 #include "exception.h"
 #include "demangle.h"
 #include "cast.h"
 #include "math.h"
 #include "string.h"
-#include "dumper.h"
 #include "time.h"
-#include "shared_object.h"
-#include "attrib_storage.h"
 #include "boolean.h"
+#include "shared_object.h"
+#include "any.h"
+#include "packed_any.h"
+#include "dynamic_storage.h"
+#include "packed_storage.h"
+#include "format.h"
+#include "packed_vector.h"
 
 #endif
diff --git a/src/framework/stdext/string.cpp b/src/framework/stdext/string.cpp
new file mode 100644
index 00000000..eccb32e0
--- /dev/null
+++ b/src/framework/stdext/string.cpp
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "string.h"
+#include "format.h"
+#include <boost/algorithm/string.hpp>
+
+namespace stdext {
+
+std::string resolve_path(const std::string& filePath, std::string sourcePath)
+{
+    if(stdext::starts_with(filePath, "/"))
+        return filePath;
+    if(!stdext::ends_with(sourcePath, "/")) {
+        std::size_t slashPos = sourcePath.find_last_of("/");
+        if(slashPos == std::string::npos)
+            throw_exception(format("invalid source path '%s', for file '%s'", sourcePath, filePath));
+        sourcePath = sourcePath.substr(0, slashPos + 1);
+    }
+    return sourcePath + filePath;
+}
+
+std::string date_time_string()
+{
+    char date[32];
+    std::time_t tnow;
+    std::time(&tnow);
+    std::tm *ts = std::localtime(&tnow);
+    std::strftime(date, 32, "%b %d %Y %H:%M:%S", ts);
+    return std::string(date);
+}
+
+std::string dec_to_hex(uint64_t num)
+{
+    std::string str;
+    std::ostringstream o;
+    o << std::hex << num;
+    str = o.str();
+    return str;
+}
+
+uint64_t hex_to_dec(const std::string& str)
+{
+    uint64_t num;
+    std::istringstream i(str);
+    i >> std::hex >> num;
+    return num;
+}
+
+std::string ip_to_string(uint32_t ip)
+{
+    char host[16];
+    sprintf(host, "%d.%d.%d.%d", (uint8_t)ip, (uint8_t)(ip >> 8), (uint8_t)(ip >> 16), (uint8_t)(ip >> 24));
+    return std::string(host);
+}
+
+std::string utf8_to_latin1(uchar *utf8)
+{
+    auto utf8CharToLatin1 = [](uchar *utf8, int *read) -> char {
+        char c = '?';
+        uchar opt1 = utf8[0];
+        *read = 1;
+        if(opt1 == 0xc3) {
+            *read = 2;
+            uchar opt2 = utf8[1];
+            c = 64 + opt2;
+        } else if(opt1 == 0xc2) {
+            *read = 2;
+            uchar opt2 = utf8[1];
+            if(opt2 > 0xa1 && opt2 < 0xbb)
+                c = opt2;
+        } else if(opt1 < 0xc2) {
+            c = opt1;
+        }
+        return c;
+    };
+
+    std::string out;
+    int len = strlen((char*)utf8);
+    for(int i=0; i<len;) {
+        int read = 0;
+        uchar *utf8char = &utf8[i];
+        out += utf8CharToLatin1(utf8char, &read);
+        i += read;
+    }
+    return out;
+}
+
+void tolower(std::string& str)
+{
+    boost::to_lower(str);
+}
+
+void toupper(std::string& str)
+{
+    boost::to_upper(str);
+}
+
+void trim(std::string& str)
+{
+    boost::trim(str);
+}
+
+bool ends_with(const std::string& str, const std::string& test)
+{
+    return boost::ends_with(str, test);
+}
+
+bool starts_with(const std::string& str, const std::string& test)
+{
+    return boost::starts_with(str, test);
+}
+
+void replace_all(std::string& str, const std::string& search, const std::string& replacement)
+{
+    return boost::replace_all(str, search, replacement);
+}
+
+std::vector<std::string> split(const std::string& str, const std::string& separators)
+{
+    std::vector<std::string> splitted;
+    boost::split(splitted, str, boost::is_any_of(std::string(separators)));
+    return splitted;
+}
+
+}
\ No newline at end of file
diff --git a/src/framework/stdext/string.h b/src/framework/stdext/string.h
index bac7b72d..eb6ab4f7 100644
--- a/src/framework/stdext/string.h
+++ b/src/framework/stdext/string.h
@@ -25,234 +25,41 @@
 
 #include <string>
 #include <cstring>
-#include <iostream>
-#include <sstream>
-#include <iomanip>
 #include <vector>
-#include <boost/algorithm/string.hpp>
 
 #include "types.h"
 #include "cast.h"
-#include "exception.h"
 
 namespace stdext {
 
-/// Convert any type to std::string
-template<typename T>
-std::string to_string(const T& t) { return unsafe_cast<std::string, T>(t); }
+template<typename T> std::string to_string(const T& t) { return unsafe_cast<std::string, T>(t); }
+template<typename T> T from_string(const std::string& str, T def = T()) { return unsafe_cast<T, std::string>(str, def); }
 
-/// Convert any type from std::string
-template<typename T>
-T from_string(const std::string& str, T def = T()) { return unsafe_cast<T, std::string>(str, def); }
-
-/// Cast non-class types like int, char, float, double and pointers
-template<typename T>
-typename std::enable_if<std::is_integral<T>::value ||
-                        std::is_pointer<T>::value ||
-                        std::is_floating_point<T>::value ||
-                        std::is_enum<T>::value, T>::type sprintf_cast(const T& t) { return t; }
-
-/// Cast std::string
-inline const char *sprintf_cast(const std::string& s) { return s.c_str(); }
-
-template<int N>
-struct expand_snprintf{
-    template<typename Tuple, typename... Args>
-    static int call(char *s, size_t maxlen, const char *format, const Tuple& tuple, const Args&... args) {
-        return expand_snprintf<N-1>::call(s, maxlen, format, tuple, sprintf_cast(std::get<N-1>(tuple)), args...);
-    }
-};
-template<>
-struct expand_snprintf<0> {
-    template<typename Tuple, typename... Args>
-    static int call(char *s, size_t maxlen, const char *format, const Tuple& tuple, const Args&... args) {
-        return snprintf(s, maxlen, format, args...);
-    }
-};
-
-template<class T>
-struct replace_extent { typedef T type; };
-
-template<class T>
-struct replace_extent<T[]> { typedef const T* type; };
-
-template<class T, std::size_t N>
-struct replace_extent<T[N]> { typedef const T* type;};
-
-/// Improved sprintf that accepts std::string and other types
-template<typename... Args>
-int snprintf(char *s, size_t maxlen, const char *format, const Args&... args) {
-    typedef typename std::tuple<typename replace_extent<Args>::type...> Tuple;
-    enum { N = std::tuple_size<Tuple>::value };
-    Tuple tuple(args...);
-    return expand_snprintf<N>::call(s, maxlen, format, tuple);
-}
-
-/// Format strings with the sprintf style, accepting std::string and string convertible types for %s
-template<typename... Args>
-std::string format(const std::string& format, const Args&... args) {
-    int n, size = 1024;
-    std::string str;
-    while(true) {
-        str.resize(size);
-        n = snprintf(&str[0], size, format.c_str(), args...);
-        assert(n != -1);
-        if(n < size) {
-            str.resize(n);
-            return str;
-        }
-        size *= 2;
-    }
-}
-
-inline void fill_ostream(std::ostringstream&) { }
-
-/// Fills an ostream by concatenating args
-template<class T, class... Args>
-void fill_ostream(std::ostringstream& stream, const T& first, const Args&... rest) {
-    stream << first;
-    fill_ostream(stream, rest...);
-}
-
-/// Makes a std::string by concatenating args
-template<class... T>
-std::string mkstr(const T&... args) {
-    std::ostringstream buf;
-    fill_ostream(buf, args...);
-    return buf.str();
-}
-
-/// Easy of use split
-template<typename T = std::string>
-std::vector<T> split(const std::string& str, const std::string& separators = " ") {
-    std::vector<std::string> splitted;
-    boost::split(splitted, str, boost::is_any_of(std::string(separators)));
+/// Resolve a file path by combining sourcePath with filePath
+std::string resolve_path(const std::string& filePath, std::string sourcePath);
+/// Get current date and time in a std::string
+std::string date_time_string();
+
+std::string dec_to_hex(uint64_t num);
+uint64_t hex_to_dec(const std::string& str);
+std::string ip_to_string(uint32_t ip);
+std::string utf8_to_latin1(uchar *utf8);
+void tolower(std::string& str);
+void toupper(std::string& str);
+void trim(std::string& str);
+bool ends_with(const std::string& str, const std::string& test);
+bool starts_with(const std::string& str, const std::string& test);
+void replace_all(std::string& str, const std::string& search, const std::string& replacement);
+
+std::vector<std::string> split(const std::string& str, const std::string& separators = " ");
+template<typename T> std::vector<T> split(const std::string& str, const std::string& separators = " ") {
+    std::vector<std::string> splitted = split(str, separators);
     std::vector<T> results(splitted.size());
     for(uint i=0;i<splitted.size();++i)
         results[i] = safe_cast<T>(splitted[i]);
     return results;
 }
 
-/// Resolve a file path by combining sourcePath with filePath
-inline std::string resolve_path(const std::string& filePath, std::string sourcePath) {
-    if(boost::starts_with(filePath, "/"))
-        return filePath;
-    if(!boost::ends_with(sourcePath, "/")) {
-        std::size_t slashPos = sourcePath.find_last_of("/");
-        if(slashPos == std::string::npos)
-            throw_exception(format("invalid source path '%s', for file '%s'", sourcePath, filePath));
-        sourcePath = sourcePath.substr(0, slashPos + 1);
-    }
-    return sourcePath + filePath;
-}
-
-/// Get current date and time in a std::string
-inline std::string date_time_string() {
-    char date[32];
-    std::time_t tnow;
-    std::time(&tnow);
-    std::tm *ts = std::localtime(&tnow);
-    std::strftime(date, 32, "%b %d %Y %H:%M:%S", ts);
-    return std::string(date);
-}
-
-/// Convert decimal to hexadecimal
-inline std::string dec_to_hex(uint64 num) {
-    std::string str;
-    std::ostringstream o;
-    o << std::hex << num;
-    str = o.str();
-    return str;
-}
-
-/// Convert hexadecimal to decimal
-inline uint64 hex_to_dec(const std::string& str) {
-    uint64 num;
-    std::istringstream i(str);
-    i >> std::hex >> num;
-    return num;
-}
-
-/// Convert ip to string
-inline std::string ip_to_string(uint32 ip) {
-    char host[16];
-    sprintf(host, "%d.%d.%d.%d", (uint8)ip, (uint8)(ip >> 8), (uint8)(ip >> 16), (uint8)(ip >> 24));
-    return std::string(host);
-}
-
-/// Convert utf8 characters to latin1
-inline char utf8CharToLatin1(uchar *utf8, int *read) {
-    char c = '?';
-    uchar opt1 = utf8[0];
-    *read = 1;
-    if(opt1 == 0xc3) {
-        *read = 2;
-        uchar opt2 = utf8[1];
-        c = 64 + opt2;
-    } else if(opt1 == 0xc2) {
-        *read = 2;
-        uchar opt2 = utf8[1];
-        if(opt2 > 0xa1 && opt2 < 0xbb)
-            c = opt2;
-    } else if(opt1 < 0xc2) {
-        c = opt1;
-    }
-    return c;
-}
-
-/// Convert utf8 strings to latin1
-inline std::string utf8StringToLatin1(uchar *utf8) {
-    std::string out;
-    int len = strlen((char*)utf8);
-    for(int i=0; i<len;) {
-        int read = 0;
-        uchar *utf8char = &utf8[i];
-        out += utf8CharToLatin1(utf8char, &read);
-        i += read;
-    }
-    return out;
 }
 
-// Convert string to lower case
-inline std::string tolower(const std::string& str)
-{
-    std::string cpy = str;
-    boost::algorithm::to_lower(cpy);
-    return cpy;
-}
-
-// Convert string to upper case
-inline std::string toupper(const std::string& str)
-{
-    std::string cpy = str;
-    boost::algorithm::to_upper(cpy);
-    return cpy;
-}
-
-// Trim string
-inline std::string trim(const std::string& str)
-{
-    std::string cpy = str;
-    boost::algorithm::trim(cpy);
-    return cpy;
-}
-
-// utility for printing messages into stdout
-template<class... T>
-void print(const T&... args) {
-    std::ostringstream buf;
-    fill_ostream(buf, args...);
-    std::cout << buf.str();
-}
-
-template<class... T>
-void println(const T&... args) {
-    print(args...);
-    std::cout << std::endl;
-}
-
-}
-
-#include "cast.h"
-
 #endif
diff --git a/src/framework/stdext/time.cpp b/src/framework/stdext/time.cpp
new file mode 100644
index 00000000..7b72671b
--- /dev/null
+++ b/src/framework/stdext/time.cpp
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "time.h"
+#include <chrono>
+#include <unistd.h>
+
+namespace stdext {
+
+const static auto startup_time = std::chrono::high_resolution_clock::now();
+
+ticks_t millis()
+{
+    return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now() - startup_time).count();
+}
+ticks_t micros() {
+    return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::high_resolution_clock::now() - startup_time).count();
+}
+
+void millisleep(size_t ms)
+{
+    usleep(ms * 1000);
+};
+
+void microsleep(size_t us)
+{
+    usleep(us);
+};
+
+}
diff --git a/src/framework/stdext/time.h b/src/framework/stdext/time.h
index e647f9f5..c71e77a0 100644
--- a/src/framework/stdext/time.h
+++ b/src/framework/stdext/time.h
@@ -24,16 +24,13 @@
 #define STDEXT_TIME_H
 
 #include "types.h"
-#include <chrono>
-#include <unistd.h>
 
 namespace stdext {
 
-const static auto startup_time = std::chrono::high_resolution_clock::now();
-inline ticks_t millis() { return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now() - startup_time).count(); }
-inline ticks_t micros() { return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::high_resolution_clock::now() - startup_time).count(); }
-inline void millisleep(uint32 ms) { usleep(ms * 1000); };
-inline void microsleep(uint32 us) { usleep(us); };
+ticks_t millis();
+ticks_t micros();
+void millisleep(size_t ms);
+void microsleep(size_t us);
 
 struct timer {
 public:
diff --git a/src/framework/stdext/traits.h b/src/framework/stdext/traits.h
new file mode 100644
index 00000000..f4685ea3
--- /dev/null
+++ b/src/framework/stdext/traits.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef STDEXT_TRAITS_H
+#define STDEXT_TRAITS_H
+
+#include <type_traits>
+
+namespace stdext {
+
+template<class T> struct replace_extent { typedef T type; };
+template<class T> struct replace_extent<T[]> { typedef const T* type; };
+template<class T, unsigned long N> struct replace_extent<T[N]> { typedef const T* type;};
+template<typename T> struct remove_const_ref { typedef typename std::remove_const<typename std::remove_reference<T>::type>::type type; };
+
+};
+
+#endif
diff --git a/src/framework/stdext/types.h b/src/framework/stdext/types.h
index b169cdf3..f3aa528b 100644
--- a/src/framework/stdext/types.h
+++ b/src/framework/stdext/types.h
@@ -23,13 +23,13 @@
 #ifndef STDEXT_TYPES_H
 #define STDEXT_TYPES_H
 
-#include <stdint.h>
+#include <cstdint>
 
-// easy handwriting types
 typedef unsigned char uchar;
 typedef unsigned short ushort;
 typedef unsigned int uint;
 typedef unsigned long ulong;
+
 typedef uint64_t uint64;
 typedef uint32_t uint32;
 typedef uint16_t uint16;
@@ -39,19 +39,9 @@ typedef int32_t int32;
 typedef int16_t int16;
 typedef int8_t int8;
 
-typedef unsigned char fast_uchar;
-typedef unsigned long fast_ushort;
-typedef unsigned long fast_uint;
-typedef unsigned long fast_ulong;
-typedef uint_fast64_t fast_uint64;
-typedef uint_fast32_t fast_uint32;
-typedef uint_fast16_t fast_uint16;
-typedef uint_fast8_t fast_uint8;
-typedef int_fast64_t fast_int64;
-typedef int_fast32_t fast_int32;
-typedef int_fast16_t fast_int16;
-typedef int_fast8_t fast_int8;
+typedef int64 ticks_t;
 
-typedef int64_t ticks_t;
+using std::size_t;
+using std::ptrdiff_t;
 
 #endif
diff --git a/src/framework/ui/declarations.h b/src/framework/ui/declarations.h
index 012a853a..5fc04ef5 100644
--- a/src/framework/ui/declarations.h
+++ b/src/framework/ui/declarations.h
@@ -36,15 +36,15 @@ class UIGridLayout;
 class UIAnchorLayout;
 class UIParticles;
 
-typedef boost::intrusive_ptr<UIWidget> UIWidgetPtr;
-typedef boost::intrusive_ptr<UIParticles> UIParticlesPtr;
-typedef boost::intrusive_ptr<UITextEdit> UITextEditPtr;
-typedef boost::intrusive_ptr<UILayout> UILayoutPtr;
-typedef boost::intrusive_ptr<UIBoxLayout> UIBoxLayoutPtr;
-typedef boost::intrusive_ptr<UIHorizontalLayout> UIHorizontalLayoutPtr;
-typedef boost::intrusive_ptr<UIVerticalLayout> UIVerticalLayoutPtr;
-typedef boost::intrusive_ptr<UIGridLayout> UIGridLayoutPtr;
-typedef boost::intrusive_ptr<UIAnchorLayout> UIAnchorLayoutPtr;
+typedef stdext::shared_object_ptr<UIWidget> UIWidgetPtr;
+typedef stdext::shared_object_ptr<UIParticles> UIParticlesPtr;
+typedef stdext::shared_object_ptr<UITextEdit> UITextEditPtr;
+typedef stdext::shared_object_ptr<UILayout> UILayoutPtr;
+typedef stdext::shared_object_ptr<UIBoxLayout> UIBoxLayoutPtr;
+typedef stdext::shared_object_ptr<UIHorizontalLayout> UIHorizontalLayoutPtr;
+typedef stdext::shared_object_ptr<UIVerticalLayout> UIVerticalLayoutPtr;
+typedef stdext::shared_object_ptr<UIGridLayout> UIGridLayoutPtr;
+typedef stdext::shared_object_ptr<UIAnchorLayout> UIAnchorLayoutPtr;
 
 typedef std::deque<UIWidgetPtr> UIWidgetList;
 
diff --git a/src/framework/ui/uilayout.cpp b/src/framework/ui/uilayout.cpp
index 3efdcd92..6f17c28e 100644
--- a/src/framework/ui/uilayout.cpp
+++ b/src/framework/ui/uilayout.cpp
@@ -63,7 +63,7 @@ void UILayout::updateLater()
     if(!getParentWidget())
         return;
 
-    auto self = self_cast<UILayout>();
+    auto self = static_self_cast<UILayout>();
     g_dispatcher.addEvent([self] {
         self->m_updateScheduled = false;
         self->update();
diff --git a/src/framework/ui/uimanager.cpp b/src/framework/ui/uimanager.cpp
index 2143f969..5ea30b18 100644
--- a/src/framework/ui/uimanager.cpp
+++ b/src/framework/ui/uimanager.cpp
@@ -321,8 +321,7 @@ bool UIManager::importStyle(const std::string& file)
 void UIManager::importStyleFromOTML(const OTMLNodePtr& styleNode)
 {
     std::string tag = styleNode->tag();
-    std::vector<std::string> split;
-    boost::split(split, tag, boost::is_any_of(std::string("<")));
+    std::vector<std::string> split = stdext::split(tag, "<");
     if(split.size() != 2)
         throw OTMLException(styleNode, "not a valid style declaration");
 
@@ -330,8 +329,8 @@ void UIManager::importStyleFromOTML(const OTMLNodePtr& styleNode)
     std::string base = split[1];
     bool unique = false;
 
-    boost::trim(name);
-    boost::trim(base);
+    stdext::trim(name);
+    stdext::trim(base);
 
     if(name[0] == '#') {
         name = name.substr(1);
@@ -367,7 +366,7 @@ OTMLNodePtr UIManager::getStyle(const std::string& styleName)
         return m_styles[styleName];
 
     // styles starting with UI are automatically defined
-    if(boost::starts_with(styleName, "UI")) {
+    if(stdext::starts_with(styleName, "UI")) {
         OTMLNodePtr node = OTMLNode::create(styleName);
         node->writeAt("__class", styleName);
         m_styles[styleName] = node;
diff --git a/src/framework/ui/uitextedit.cpp b/src/framework/ui/uitextedit.cpp
index 9fd82ee2..f20d8004 100644
--- a/src/framework/ui/uitextedit.cpp
+++ b/src/framework/ui/uitextedit.cpp
@@ -278,8 +278,8 @@ void UITextEdit::appendText(std::string text)
     if(m_cursorPos >= 0) {
         // replace characters that are now allowed
         if(!m_multiline)
-            boost::replace_all(text, "\n", "");
-        boost::replace_all(text, "\r", "    ");
+            stdext::replace_all(text, "\n", "");
+        stdext::replace_all(text, "\r", "    ");
 
         if(text.length() > 0) {
             // only add text if textedit can add it
diff --git a/src/framework/ui/uitranslator.cpp b/src/framework/ui/uitranslator.cpp
index c6c01a39..c9fddd15 100644
--- a/src/framework/ui/uitranslator.cpp
+++ b/src/framework/ui/uitranslator.cpp
@@ -21,6 +21,7 @@
  */
 
 #include "uitranslator.h"
+#include <framework/stdext/string.h>
 #include <boost/algorithm/string.hpp>
 
 Fw::AlignmentFlag Fw::translateAlignment(std::string aligment)
diff --git a/src/framework/ui/uiwidget.cpp b/src/framework/ui/uiwidget.cpp
index 7ae8d151..d4348828 100644
--- a/src/framework/ui/uiwidget.cpp
+++ b/src/framework/ui/uiwidget.cpp
@@ -141,11 +141,11 @@ void UIWidget::addChild(const UIWidgetPtr& child)
     UIWidgetPtr oldLastChild = getLastChild();
 
     m_children.push_back(child);
-    child->setParent(self_cast<UIWidget>());
+    child->setParent(static_self_cast<UIWidget>());
 
     // create default layout
     if(!m_layout)
-        m_layout = UIAnchorLayoutPtr(new UIAnchorLayout(self_cast<UIWidget>()));
+        m_layout = UIAnchorLayoutPtr(new UIAnchorLayout(static_self_cast<UIWidget>()));
 
     // add to layout and updates it
     m_layout->addWidget(child);
@@ -184,11 +184,11 @@ void UIWidget::insertChild(int index, const UIWidgetPtr& child)
     // retrieve child by index
     auto it = m_children.begin() + index;
     m_children.insert(it, child);
-    child->setParent(self_cast<UIWidget>());
+    child->setParent(static_self_cast<UIWidget>());
 
     // create default layout if needed
     if(!m_layout)
-        m_layout = UIAnchorLayoutPtr(new UIAnchorLayout(self_cast<UIWidget>()));
+        m_layout = UIAnchorLayoutPtr(new UIAnchorLayout(static_self_cast<UIWidget>()));
 
     // add to layout and updates it
     m_layout->addWidget(child);
@@ -218,7 +218,7 @@ void UIWidget::removeChild(UIWidgetPtr child)
         m_children.erase(it);
 
         // reset child parent
-        assert(child->getParent() == self_cast<UIWidget>());
+        assert(child->getParent() == static_self_cast<UIWidget>());
         child->setParent(nullptr);
 
         m_layout->removeWidget(child);
@@ -504,7 +504,7 @@ void UIWidget::applyStyle(const OTMLNodePtr& styleNode)
         callLuaField("onStyleApply", styleNode->tag(), styleNode);
 
         if(m_firstOnStyle) {
-            auto self = self_cast<UIWidget>();
+            auto self = static_self_cast<UIWidget>();
             g_dispatcher.addEvent([self] {
                 self->callLuaField("onSetup");
             });
@@ -525,7 +525,7 @@ void UIWidget::addAnchor(Fw::AnchorEdge anchoredEdge, const std::string& hookedW
         return;
 
     if(UIAnchorLayoutPtr anchorLayout = getAnchoredLayout())
-        anchorLayout->addAnchor(self_cast<UIWidget>(), anchoredEdge, hookedWidgetId, hookedEdge);
+        anchorLayout->addAnchor(static_self_cast<UIWidget>(), anchoredEdge, hookedWidgetId, hookedEdge);
     else
         g_logger.error(stdext::format("cannot add anchors to widget '%s': the parent doesn't use anchors layout", m_id));
 }
@@ -541,8 +541,8 @@ void UIWidget::centerIn(const std::string& hookedWidgetId)
         return;
 
     if(UIAnchorLayoutPtr anchorLayout = getAnchoredLayout()) {
-        anchorLayout->addAnchor(self_cast<UIWidget>(), Fw::AnchorHorizontalCenter, hookedWidgetId, Fw::AnchorHorizontalCenter);
-        anchorLayout->addAnchor(self_cast<UIWidget>(), Fw::AnchorVerticalCenter, hookedWidgetId, Fw::AnchorVerticalCenter);
+        anchorLayout->addAnchor(static_self_cast<UIWidget>(), Fw::AnchorHorizontalCenter, hookedWidgetId, Fw::AnchorHorizontalCenter);
+        anchorLayout->addAnchor(static_self_cast<UIWidget>(), Fw::AnchorVerticalCenter, hookedWidgetId, Fw::AnchorVerticalCenter);
     } else
         g_logger.error(stdext::format("cannot add anchors to widget '%s': the parent doesn't use anchors layout", m_id));
 }
@@ -553,10 +553,10 @@ void UIWidget::fill(const std::string& hookedWidgetId)
         return;
 
     if(UIAnchorLayoutPtr anchorLayout = getAnchoredLayout()) {
-        anchorLayout->addAnchor(self_cast<UIWidget>(), Fw::AnchorLeft, hookedWidgetId, Fw::AnchorLeft);
-        anchorLayout->addAnchor(self_cast<UIWidget>(), Fw::AnchorRight, hookedWidgetId, Fw::AnchorRight);
-        anchorLayout->addAnchor(self_cast<UIWidget>(), Fw::AnchorTop, hookedWidgetId, Fw::AnchorTop);
-        anchorLayout->addAnchor(self_cast<UIWidget>(), Fw::AnchorBottom, hookedWidgetId, Fw::AnchorBottom);
+        anchorLayout->addAnchor(static_self_cast<UIWidget>(), Fw::AnchorLeft, hookedWidgetId, Fw::AnchorLeft);
+        anchorLayout->addAnchor(static_self_cast<UIWidget>(), Fw::AnchorRight, hookedWidgetId, Fw::AnchorRight);
+        anchorLayout->addAnchor(static_self_cast<UIWidget>(), Fw::AnchorTop, hookedWidgetId, Fw::AnchorTop);
+        anchorLayout->addAnchor(static_self_cast<UIWidget>(), Fw::AnchorBottom, hookedWidgetId, Fw::AnchorBottom);
     } else
         g_logger.error(stdext::format("cannot add anchors to widget '%s': the parent doesn't use anchors layout", m_id));
 }
@@ -567,7 +567,7 @@ void UIWidget::breakAnchors()
         return;
 
     if(UIAnchorLayoutPtr anchorLayout = getAnchoredLayout())
-        anchorLayout->removeAnchors(self_cast<UIWidget>());
+        anchorLayout->removeAnchors(static_self_cast<UIWidget>());
 }
 
 void UIWidget::updateParentLayout()
@@ -601,7 +601,7 @@ void UIWidget::lock()
         return;
 
     if(UIWidgetPtr parent = getParent())
-        parent->lockChild(self_cast<UIWidget>());
+        parent->lockChild(static_self_cast<UIWidget>());
 }
 
 void UIWidget::unlock()
@@ -610,7 +610,7 @@ void UIWidget::unlock()
         return;
 
     if(UIWidgetPtr parent = getParent())
-        parent->unlockChild(self_cast<UIWidget>());
+        parent->unlockChild(static_self_cast<UIWidget>());
 }
 
 void UIWidget::focus()
@@ -622,7 +622,7 @@ void UIWidget::focus()
         return;
 
     if(UIWidgetPtr parent = getParent())
-        parent->focusChild(self_cast<UIWidget>(), Fw::ActiveFocusReason);
+        parent->focusChild(static_self_cast<UIWidget>(), Fw::ActiveFocusReason);
 }
 
 void UIWidget::recursiveFocus(Fw::FocusReason reason)
@@ -632,7 +632,7 @@ void UIWidget::recursiveFocus(Fw::FocusReason reason)
 
     if(UIWidgetPtr parent = getParent()) {
         if(m_focusable)
-            parent->focusChild(self_cast<UIWidget>(), reason);
+            parent->focusChild(static_self_cast<UIWidget>(), reason);
         parent->recursiveFocus(reason);
     }
 }
@@ -644,7 +644,7 @@ void UIWidget::lower()
 
     UIWidgetPtr parent = getParent();
     if(parent)
-        parent->lowerChild(self_cast<UIWidget>());
+        parent->lowerChild(static_self_cast<UIWidget>());
 }
 
 void UIWidget::raise()
@@ -654,7 +654,7 @@ void UIWidget::raise()
 
     UIWidgetPtr parent = getParent();
     if(parent)
-        parent->raiseChild(self_cast<UIWidget>());
+        parent->raiseChild(static_self_cast<UIWidget>());
 }
 
 void UIWidget::grabMouse()
@@ -662,12 +662,12 @@ void UIWidget::grabMouse()
     if(m_destroyed)
         return;
 
-    g_ui.setMouseReceiver(self_cast<UIWidget>());
+    g_ui.setMouseReceiver(static_self_cast<UIWidget>());
 }
 
 void UIWidget::ungrabMouse()
 {
-    if(g_ui.getMouseReceiver() == self_cast<UIWidget>())
+    if(g_ui.getMouseReceiver() == static_self_cast<UIWidget>())
         g_ui.resetMouseReceiver();
 }
 
@@ -676,12 +676,12 @@ void UIWidget::grabKeyboard()
     if(m_destroyed)
         return;
 
-    g_ui.setKeyboardReceiver(self_cast<UIWidget>());
+    g_ui.setKeyboardReceiver(static_self_cast<UIWidget>());
 }
 
 void UIWidget::ungrabKeyboard()
 {
-    if(g_ui.getKeyboardReceiver() == self_cast<UIWidget>())
+    if(g_ui.getKeyboardReceiver() == static_self_cast<UIWidget>())
         g_ui.resetKeyboardReceiver();
 }
 
@@ -721,7 +721,7 @@ void UIWidget::internalDestroy()
 
     releaseLuaFieldsTable();
 
-    g_ui.onWidgetDestroy(self_cast<UIWidget>());
+    g_ui.onWidgetDestroy(static_self_cast<UIWidget>());
 }
 
 void UIWidget::destroy()
@@ -730,7 +730,7 @@ void UIWidget::destroy()
         g_logger.warning(stdext::format("attempt to destroy widget '%s' two times", m_id));
 
     // hold itself reference
-    UIWidgetPtr self = self_cast<UIWidget>();
+    UIWidgetPtr self = static_self_cast<UIWidget>();
     m_destroyed = true;
 
     // remove itself from parent
@@ -775,7 +775,7 @@ void UIWidget::setParent(const UIWidgetPtr& parent)
     if(oldParent == parent)
         return;
 
-    UIWidgetPtr self = self_cast<UIWidget>();
+    UIWidgetPtr self = static_self_cast<UIWidget>();
     if(oldParent && oldParent->hasChild(self))
         oldParent->removeChild(self);
 
@@ -797,7 +797,7 @@ void UIWidget::setLayout(const UILayoutPtr& layout)
     if(m_layout)
         m_layout->disableUpdates();
 
-    layout->setParent(self_cast<UIWidget>());
+    layout->setParent(static_self_cast<UIWidget>());
     layout->disableUpdates();
 
     for(const UIWidgetPtr& child : m_children) {
@@ -836,7 +836,7 @@ bool UIWidget::setRect(const Rect& rect)
 
     // avoid massive update events
     if(!m_updateEventScheduled) {
-        UIWidgetPtr self = self_cast<UIWidget>();
+        UIWidgetPtr self = static_self_cast<UIWidget>();
         g_dispatcher.addEvent([self, oldRect]() {
             self->m_updateEventScheduled = false;
             if(oldRect != self->getRect())
@@ -896,9 +896,9 @@ void UIWidget::setVisible(bool visible)
 
         // visibility can change the current hovered widget
         if(visible)
-            g_ui.onWidgetAppear(self_cast<UIWidget>());
+            g_ui.onWidgetAppear(static_self_cast<UIWidget>());
         else
-            g_ui.onWidgetDisappear(self_cast<UIWidget>());
+            g_ui.onWidgetDisappear(static_self_cast<UIWidget>());
 
         callLuaField("onVisibilityChange", visible);
     }
@@ -963,14 +963,14 @@ bool UIWidget::isVisible()
     else if(UIWidgetPtr parent = getParent())
         return parent->isVisible();
     else
-        return self_cast<UIWidget>() == g_ui.getRootWidget();
+        return static_self_cast<UIWidget>() == g_ui.getRootWidget();
 }
 
 bool UIWidget::isAnchored()
 {
     if(UIWidgetPtr parent = getParent())
         if(UIAnchorLayoutPtr anchorLayout = parent->getAnchoredLayout())
-            return anchorLayout->hasAnchors(self_cast<UIWidget>());
+            return anchorLayout->hasAnchors(static_self_cast<UIWidget>());
     return false;
 }
 
@@ -1046,7 +1046,7 @@ UIAnchorLayoutPtr UIWidget::getAnchoredLayout()
 
     UILayoutPtr layout = parent->getLayout();
     if(layout->isUIAnchorLayout())
-        return layout->self_cast<UIAnchorLayout>();
+        return layout->static_self_cast<UIAnchorLayout>();
     return nullptr;
 }
 
@@ -1055,7 +1055,7 @@ UIWidgetPtr UIWidget::getRootParent()
     if(UIWidgetPtr parent = getParent())
         return parent->getRootParent();
     else
-        return self_cast<UIWidget>();
+        return static_self_cast<UIWidget>();
 }
 
 UIWidgetPtr UIWidget::getChildAfter(const UIWidgetPtr& relativeChild)
@@ -1231,7 +1231,7 @@ void UIWidget::updateState(Fw::WidgetState state)
 
     switch(state) {
         case Fw::ActiveState: {
-            UIWidgetPtr widget = self_cast<UIWidget>();
+            UIWidgetPtr widget = static_self_cast<UIWidget>();
             UIWidgetPtr parent;
             do {
                 parent = widget->getParent();
@@ -1246,24 +1246,24 @@ void UIWidget::updateState(Fw::WidgetState state)
             break;
         }
         case Fw::FocusState: {
-            newStatus = (getParent() && getParent()->getFocusedChild() == self_cast<UIWidget>());
+            newStatus = (getParent() && getParent()->getFocusedChild() == static_self_cast<UIWidget>());
             break;
         }
         case Fw::HoverState: {
-            newStatus = (g_ui.getHoveredWidget() == self_cast<UIWidget>() && isEnabled());
+            newStatus = (g_ui.getHoveredWidget() == static_self_cast<UIWidget>() && isEnabled());
             break;
         }
         case Fw::PressedState: {
-            newStatus = (g_ui.getPressedWidget() == self_cast<UIWidget>());
+            newStatus = (g_ui.getPressedWidget() == static_self_cast<UIWidget>());
             break;
         }
         case Fw::DraggingState: {
-            newStatus = (g_ui.getDraggingWidget() == self_cast<UIWidget>());
+            newStatus = (g_ui.getDraggingWidget() == static_self_cast<UIWidget>());
             break;
         }
         case Fw::DisabledState: {
             bool enabled = true;
-            UIWidgetPtr widget = self_cast<UIWidget>();
+            UIWidgetPtr widget = static_self_cast<UIWidget>();
             do {
                 if(!widget->isExplicitlyEnabled()) {
                     enabled = false;
@@ -1275,19 +1275,19 @@ void UIWidget::updateState(Fw::WidgetState state)
             break;
         }
         case Fw::FirstState: {
-            newStatus = (getParent() && getParent()->getFirstChild() == self_cast<UIWidget>());
+            newStatus = (getParent() && getParent()->getFirstChild() == static_self_cast<UIWidget>());
             break;
         }
         case Fw::MiddleState: {
-            newStatus = (getParent() && getParent()->getFirstChild() != self_cast<UIWidget>() && getParent()->getLastChild() != self_cast<UIWidget>());
+            newStatus = (getParent() && getParent()->getFirstChild() != static_self_cast<UIWidget>() && getParent()->getLastChild() != static_self_cast<UIWidget>());
             break;
         }
         case Fw::LastState: {
-            newStatus = (getParent() && getParent()->getLastChild() == self_cast<UIWidget>());
+            newStatus = (getParent() && getParent()->getLastChild() == static_self_cast<UIWidget>());
             break;
         }
         case Fw::AlternateState: {
-            newStatus = (getParent() && (getParent()->getChildIndex(self_cast<UIWidget>()) % 2) == 1);
+            newStatus = (getParent() && (getParent()->getChildIndex(static_self_cast<UIWidget>()) % 2) == 1);
             break;
         }
         default:
@@ -1337,7 +1337,7 @@ void UIWidget::updateStyle()
         return;
 
     if(m_loadingStyle && !m_updateStyleScheduled) {
-        UIWidgetPtr self = self_cast<UIWidget>();
+        UIWidgetPtr self = static_self_cast<UIWidget>();
         g_dispatcher.addEvent([self] {
             self->m_updateStyleScheduled = false;
             self->updateStyle();
@@ -1361,10 +1361,9 @@ void UIWidget::updateStyle()
 
     // checks for states combination
     for(const OTMLNodePtr& style : m_style->children()) {
-        if(boost::starts_with(style->tag(), "$")) {
+        if(stdext::starts_with(style->tag(), "$")) {
             std::string statesStr = style->tag().substr(1);
-            std::vector<std::string> statesSplit;
-            boost::split(statesSplit, statesStr, boost::is_any_of(std::string(" ")));
+            std::vector<std::string> statesSplit = stdext::split(statesStr, " ");
 
             bool match = true;
             for(std::string stateStr : statesSplit) {
@@ -1642,7 +1641,7 @@ bool UIWidget::propagateOnMouseEvent(const Point& mousePos, UIWidgetList& widget
         }
     }
 
-    widgetList.push_back(self_cast<UIWidget>());
+    widgetList.push_back(static_self_cast<UIWidget>());
 
     if(!isPhantom())
         ret = true;
@@ -1657,6 +1656,6 @@ bool UIWidget::propagateOnMouseMove(const Point& mousePos, const Point& mouseMov
             child->propagateOnMouseMove(mousePos, mouseMoved, widgetList);
     }
 
-    widgetList.push_back(self_cast<UIWidget>());
+    widgetList.push_back(static_self_cast<UIWidget>());
     return true;
 }
diff --git a/src/framework/ui/uiwidgetbasestyle.cpp b/src/framework/ui/uiwidgetbasestyle.cpp
index d6b87ad8..13a53761 100644
--- a/src/framework/ui/uiwidgetbasestyle.cpp
+++ b/src/framework/ui/uiwidgetbasestyle.cpp
@@ -162,8 +162,7 @@ void UIWidget::parseBaseStyle(const OTMLNodePtr& styleNode)
             setMarginLeft(node->value<int>());
         else if(node->tag() == "margin") {
             std::string marginDesc = node->value();
-            std::vector<std::string> split;
-            boost::split(split, marginDesc, boost::is_any_of(std::string(" ")));
+            std::vector<std::string> split = stdext::split(marginDesc, " ");
             if(split.size() == 4) {
                 setMarginTop(stdext::safe_cast<int>(split[0]));
                 setMarginRight(stdext::safe_cast<int>(split[1]));
@@ -202,8 +201,7 @@ void UIWidget::parseBaseStyle(const OTMLNodePtr& styleNode)
             setPaddingLeft(node->value<int>());
         else if(node->tag() == "padding") {
             std::string paddingDesc = node->value();
-            std::vector<std::string> split;
-            boost::split(split, paddingDesc, boost::is_any_of(std::string(" ")));
+            std::vector<std::string> split = stdext::split(paddingDesc, " ");
             if(split.size() == 4) {
                 setPaddingTop(stdext::safe_cast<int>(split[0]));
                 setPaddingRight(stdext::safe_cast<int>(split[1]));
@@ -243,13 +241,13 @@ void UIWidget::parseBaseStyle(const OTMLNodePtr& styleNode)
             if(!layoutType.empty()) {
                 UILayoutPtr layout;
                 if(layoutType == "horizontalBox")
-                    layout = UIHorizontalLayoutPtr(new UIHorizontalLayout(self_cast<UIWidget>()));
+                    layout = UIHorizontalLayoutPtr(new UIHorizontalLayout(static_self_cast<UIWidget>()));
                 else if(layoutType == "verticalBox")
-                    layout = UIVerticalLayoutPtr(new UIVerticalLayout(self_cast<UIWidget>()));
+                    layout = UIVerticalLayoutPtr(new UIVerticalLayout(static_self_cast<UIWidget>()));
                 else if(layoutType == "grid")
-                    layout = UIGridLayoutPtr(new UIGridLayout(self_cast<UIWidget>()));
+                    layout = UIGridLayoutPtr(new UIGridLayout(static_self_cast<UIWidget>()));
                 else if(layoutType == "anchor")
-                    layout = UIAnchorLayoutPtr(new UIAnchorLayout(self_cast<UIWidget>()));
+                    layout = UIAnchorLayoutPtr(new UIAnchorLayout(static_self_cast<UIWidget>()));
                 else
                     throw OTMLException(node, "cannot determine layout type");
                 setLayout(layout);
@@ -259,7 +257,7 @@ void UIWidget::parseBaseStyle(const OTMLNodePtr& styleNode)
                 m_layout->applyStyle(node);
         }
         // anchors
-        else if(boost::starts_with(node->tag(), "anchors.")) {
+        else if(stdext::starts_with(node->tag(), "anchors.")) {
             UIWidgetPtr parent = getParent();
             if(!parent) {
                 if(m_firstOnStyle)
@@ -271,7 +269,7 @@ void UIWidget::parseBaseStyle(const OTMLNodePtr& styleNode)
             UILayoutPtr layout = parent->getLayout();
             UIAnchorLayoutPtr anchorLayout;
             if(layout->isUIAnchorLayout())
-                anchorLayout = layout->self_cast<UIAnchorLayout>();
+                anchorLayout = layout->static_self_cast<UIAnchorLayout>();
 
             if(!anchorLayout)
                 throw OTMLException(node, "cannot create anchor, the parent widget doesn't use anchor layout!");
@@ -304,7 +302,7 @@ void UIWidget::parseBaseStyle(const OTMLNodePtr& styleNode)
                 }
             }
         // lua functions
-        } else if(boost::starts_with(node->tag(), "@")) {
+        } else if(stdext::starts_with(node->tag(), "@")) {
             // load once
             if(m_firstOnStyle) {
                 std::string funcName = node->tag().substr(1);
@@ -313,7 +311,7 @@ void UIWidget::parseBaseStyle(const OTMLNodePtr& styleNode)
                 luaSetField(funcName);
             }
         // lua fields value
-        } else if(boost::starts_with(node->tag(), "&")) {
+        } else if(stdext::starts_with(node->tag(), "&")) {
             std::string fieldName = node->tag().substr(1);
             std::string fieldOrigin = "@" + node->source() + "[" + node->tag() + "]";
 
diff --git a/src/framework/util/color.h b/src/framework/util/color.h
index c13946b3..7e5933d0 100644
--- a/src/framework/util/color.h
+++ b/src/framework/util/color.h
@@ -25,7 +25,9 @@
 
 #include "../stdext/types.h"
 #include "../stdext/cast.h"
+#include "../stdext/string.h"
 #include "../const.h"
+#include <iomanip>
 
 class Color
 {
diff --git a/src/otclient/CMakeLists.txt b/src/otclient/CMakeLists.txt
index ff285112..713e9524 100644
--- a/src/otclient/CMakeLists.txt
+++ b/src/otclient/CMakeLists.txt
@@ -41,6 +41,7 @@ set(otclient_SOURCES ${otclient_SOURCES}
     ${CMAKE_CURRENT_LIST_DIR}/localplayer.h
     ${CMAKE_CURRENT_LIST_DIR}/map.cpp
     ${CMAKE_CURRENT_LIST_DIR}/map.h
+    ${CMAKE_CURRENT_LIST_DIR}/mapio.cpp
     ${CMAKE_CURRENT_LIST_DIR}/mapview.cpp
     ${CMAKE_CURRENT_LIST_DIR}/mapview.h
     ${CMAKE_CURRENT_LIST_DIR}/missile.cpp
diff --git a/src/otclient/animatedtext.cpp b/src/otclient/animatedtext.cpp
index e24b69c0..adcfb855 100644
--- a/src/otclient/animatedtext.cpp
+++ b/src/otclient/animatedtext.cpp
@@ -47,7 +47,7 @@ void AnimatedText::drawText(const Point& dest, const Rect& visibleRect)
     }
 }
 
-void AnimatedText::startAnimation()
+void AnimatedText::onAppear()
 {
     m_animationTimer.restart();
 
diff --git a/src/otclient/animatedtext.h b/src/otclient/animatedtext.h
index 7c34c17f..02fa6759 100644
--- a/src/otclient/animatedtext.h
+++ b/src/otclient/animatedtext.h
@@ -35,14 +35,16 @@ public:
     AnimatedText();
 
     void drawText(const Point& dest, const Rect& visibleRect);
-    void startAnimation();
 
     void setColor(int color);
     void setText(const std::string& text);
 
-    AnimatedTextPtr asAnimatedText() { return self_cast<AnimatedText>(); }
+    AnimatedTextPtr asAnimatedText() { return static_self_cast<AnimatedText>(); }
     bool isAnimatedText() { return true; }
 
+protected:
+    virtual void onAppear();
+
 private:
     Color m_color;
     Timer m_animationTimer;
diff --git a/src/otclient/creature.cpp b/src/otclient/creature.cpp
index 6d00ec12..e24d53eb 100644
--- a/src/otclient/creature.cpp
+++ b/src/otclient/creature.cpp
@@ -302,6 +302,11 @@ void Creature::stopWalk()
     terminateWalk();
 }
 
+void Creature::onMove(const Position& newPos, const Position& oldPos)
+{
+    walk(oldPos, newPos);
+}
+
 void Creature::updateWalkAnimation(int totalPixelsWalked)
 {
     // update outfit animation
@@ -353,9 +358,9 @@ void Creature::updateWalkingTile()
 
     if(newWalkingTile != m_walkingTile) {
         if(m_walkingTile)
-            m_walkingTile->removeWalkingCreature(self_cast<Creature>());
+            m_walkingTile->removeWalkingCreature(static_self_cast<Creature>());
         if(newWalkingTile)
-            newWalkingTile->addWalkingCreature(self_cast<Creature>());
+            newWalkingTile->addWalkingCreature(static_self_cast<Creature>());
         m_walkingTile = newWalkingTile;
     }
 }
@@ -371,7 +376,7 @@ void Creature::nextWalkUpdate()
 
     // schedules next update
     if(m_walking) {
-        auto self = self_cast<Creature>();
+        auto self = static_self_cast<Creature>();
         m_walkUpdateEvent = g_dispatcher.scheduleEvent([self] {
             self->m_walkUpdateEvent = nullptr;
             self->nextWalkUpdate();
@@ -409,7 +414,7 @@ void Creature::terminateWalk()
     }
 
     if(m_walkingTile) {
-        m_walkingTile->removeWalkingCreature(self_cast<Creature>());
+        m_walkingTile->removeWalkingCreature(static_self_cast<Creature>());
         m_walkingTile = nullptr;
     }
 
@@ -496,7 +501,7 @@ void Creature::setShieldTexture(const std::string& filename, bool blink)
     m_showShieldTexture = true;
 
     if(blink && !m_shieldBlink) {
-        auto self = self_cast<Creature>();
+        auto self = static_self_cast<Creature>();
         g_dispatcher.scheduleEvent([self]() {
             self->updateShield();
         }, SHIELD_BLINK_TICKS);
@@ -516,7 +521,7 @@ void Creature::addTimedSquare(uint8 color)
     m_timedSquareColor = Color::from8bit(color);
 
     // schedule removal
-    auto self = self_cast<Creature>();
+    auto self = static_self_cast<Creature>();
     g_dispatcher.scheduleEvent([self]() {
         self->removeTimedSquare();
     }, VOLATILE_SQUARE_DURATION);
@@ -527,7 +532,7 @@ void Creature::updateShield()
     m_showShieldTexture = !m_showShieldTexture;
 
     if(m_shield != Otc::ShieldNone && m_shieldBlink) {
-        auto self = self_cast<Creature>();
+        auto self = static_self_cast<Creature>();
         g_dispatcher.scheduleEvent([self]() {
             self->updateShield();
         }, SHIELD_BLINK_TICKS);
diff --git a/src/otclient/creature.h b/src/otclient/creature.h
index 42795f2d..9003ed31 100644
--- a/src/otclient/creature.h
+++ b/src/otclient/creature.h
@@ -100,6 +100,9 @@ public:
     const ThingTypePtr& getThingType();
     ThingType *rawGetThingType();
 
+protected:
+    virtual void onMove(const Position& newPos, const Position& oldPos);
+
 protected:
     virtual void updateWalkAnimation(int totalPixelsWalked);
     virtual void updateWalkOffset(int totalPixelsWalked);
diff --git a/src/otclient/creatures.cpp b/src/otclient/creatures.cpp
index 091969e6..fcb83007 100644
--- a/src/otclient/creatures.cpp
+++ b/src/otclient/creatures.cpp
@@ -80,7 +80,11 @@ void Creatures::loadCreatureBuffer(const std::string &buffer)
     if(!root || (root->ValueStr() != "monster" && root->ValueStr() != "npc"))
         stdext::throw_exception("invalid root tag name");
 
-    CreatureTypePtr newType(new CreatureType(stdext::trim(stdext::tolower(root->Attribute("name")))));
+    std::string cName = root->Attribute("name");
+    stdext::tolower(cName);
+    stdext::trim(cName);
+
+    CreatureTypePtr newType(new CreatureType(cName));
     for(TiXmlElement* attrib = root->FirstChildElement(); attrib; attrib = attrib->NextSiblingElement()) {
         if(attrib->ValueStr() != "look")
             continue;
@@ -120,9 +124,11 @@ bool Creatures::m_loadCreatureBuffer(TiXmlElement* attrib, const CreatureTypePtr
     return type >= 0;
 }
 
-CreatureTypePtr Creatures::getCreature(const std::string& name)
+CreatureTypePtr Creatures::getCreature(std::string name)
 {
+    stdext::tolower(name);
+    stdext::trim(name);
     auto it = std::find_if(m_creatures.begin(), m_creatures.end(),
-                           [=] (const CreatureTypePtr& m) -> bool { return m->getName() == stdext::trim(stdext::tolower(name)); });
+                           [=] (const CreatureTypePtr& m) -> bool { return m->getName() == name; });
     return it != m_creatures.end() ? *it : nullptr;
 }
diff --git a/src/otclient/creatures.h b/src/otclient/creatures.h
index af887b1e..de3731ac 100644
--- a/src/otclient/creatures.h
+++ b/src/otclient/creatures.h
@@ -50,7 +50,7 @@ public:
     int getSpawnTime() { return m_attribs.get<int>(CreatureAttrSpawnTime); }
 
 private:
-    stdext::attrib_storage m_attribs;
+    stdext::dynamic_storage<uint8> m_attribs;
 };
 
 class Creatures
@@ -63,7 +63,7 @@ public:
     void loadNpcs(const std::string& folder);
     void loadCreatureBuffer(const std::string& buffer);
 
-    CreatureTypePtr getCreature(const std::string& name);
+    CreatureTypePtr getCreature(std::string name);
     bool isLoaded() const { return m_loaded; }
 
 protected:
diff --git a/src/otclient/declarations.h b/src/otclient/declarations.h
index 1a922922..fa06e51f 100644
--- a/src/otclient/declarations.h
+++ b/src/otclient/declarations.h
@@ -50,25 +50,25 @@ class House;
 class Town;
 class CreatureType;
 
-typedef boost::intrusive_ptr<MapView> MapViewPtr;
-typedef boost::intrusive_ptr<Tile> TilePtr;
-typedef boost::intrusive_ptr<Thing> ThingPtr;
-typedef boost::intrusive_ptr<Item> ItemPtr;
-typedef boost::intrusive_ptr<Container> ContainerPtr;
-typedef boost::intrusive_ptr<Creature> CreaturePtr;
-typedef boost::intrusive_ptr<Monster> MonsterPtr;
-typedef boost::intrusive_ptr<Npc> NpcPtr;
-typedef boost::intrusive_ptr<Player> PlayerPtr;
-typedef boost::intrusive_ptr<LocalPlayer> LocalPlayerPtr;
-typedef boost::intrusive_ptr<Effect> EffectPtr;
-typedef boost::intrusive_ptr<Missile> MissilePtr;
-typedef boost::intrusive_ptr<AnimatedText> AnimatedTextPtr;
-typedef boost::intrusive_ptr<StaticText> StaticTextPtr;
-typedef boost::intrusive_ptr<ThingType> ThingTypePtr;
-typedef boost::intrusive_ptr<ItemType> ItemTypePtr;
-typedef boost::intrusive_ptr<House> HousePtr;
-typedef boost::intrusive_ptr<Town> TownPtr;
-typedef boost::intrusive_ptr<CreatureType> CreatureTypePtr;
+typedef stdext::shared_object_ptr<MapView> MapViewPtr;
+typedef stdext::shared_object_ptr<Tile> TilePtr;
+typedef stdext::shared_object_ptr<Thing> ThingPtr;
+typedef stdext::shared_object_ptr<Item> ItemPtr;
+typedef stdext::shared_object_ptr<Container> ContainerPtr;
+typedef stdext::shared_object_ptr<Creature> CreaturePtr;
+typedef stdext::shared_object_ptr<Monster> MonsterPtr;
+typedef stdext::shared_object_ptr<Npc> NpcPtr;
+typedef stdext::shared_object_ptr<Player> PlayerPtr;
+typedef stdext::shared_object_ptr<LocalPlayer> LocalPlayerPtr;
+typedef stdext::shared_object_ptr<Effect> EffectPtr;
+typedef stdext::shared_object_ptr<Missile> MissilePtr;
+typedef stdext::shared_object_ptr<AnimatedText> AnimatedTextPtr;
+typedef stdext::shared_object_ptr<StaticText> StaticTextPtr;
+typedef stdext::shared_object_ptr<ThingType> ThingTypePtr;
+typedef stdext::shared_object_ptr<ItemType> ItemTypePtr;
+typedef stdext::shared_object_ptr<House> HousePtr;
+typedef stdext::shared_object_ptr<Town> TownPtr;
+typedef stdext::shared_object_ptr<CreatureType> CreatureTypePtr;
 
 typedef std::vector<ThingPtr> ThingList;
 typedef std::vector<ThingTypePtr> ThingTypeList;
@@ -81,8 +81,8 @@ typedef std::unordered_map<Position, TilePtr, PositionHasher> TileMap;
 class ProtocolLogin;
 class ProtocolGame;
 
-typedef boost::intrusive_ptr<ProtocolGame> ProtocolGamePtr;
-typedef boost::intrusive_ptr<ProtocolLogin> ProtocolLoginPtr;
+typedef stdext::shared_object_ptr<ProtocolGame> ProtocolGamePtr;
+typedef stdext::shared_object_ptr<ProtocolLogin> ProtocolLoginPtr;
 
 // ui
 class UIItem;
@@ -90,9 +90,9 @@ class UICreature;
 class UIMap;
 class UIProgressRect;
 
-typedef boost::intrusive_ptr<UIItem> UIItemPtr;
-typedef boost::intrusive_ptr<UICreature> UICreaturePtr;
-typedef boost::intrusive_ptr<UIMap> UIMapPtr;
-typedef boost::intrusive_ptr<UIProgressRect> UIProgressRectPtr;
+typedef stdext::shared_object_ptr<UIItem> UIItemPtr;
+typedef stdext::shared_object_ptr<UICreature> UICreaturePtr;
+typedef stdext::shared_object_ptr<UIMap> UIMapPtr;
+typedef stdext::shared_object_ptr<UIProgressRect> UIProgressRectPtr;
 
 #endif
diff --git a/src/otclient/effect.cpp b/src/otclient/effect.cpp
index 385fbb5b..ef52c9ec 100644
--- a/src/otclient/effect.cpp
+++ b/src/otclient/effect.cpp
@@ -35,7 +35,7 @@ void Effect::draw(const Point& dest, float scaleFactor, bool animate)
     rawGetThingType()->draw(dest, scaleFactor, 0, 0, 0, 0, animationPhase);
 }
 
-void Effect::startAnimation()
+void Effect::onAppear()
 {
     m_animationTimer.restart();
     m_phaseDuration = EFFECT_TICKS_PER_FRAME;
diff --git a/src/otclient/effect.h b/src/otclient/effect.h
index 694070db..97a95a36 100644
--- a/src/otclient/effect.h
+++ b/src/otclient/effect.h
@@ -33,20 +33,22 @@ class Effect : public Thing
     enum {
         EFFECT_TICKS_PER_FRAME = 75
     };
+
 public:
     void draw(const Point& dest, float scaleFactor, bool animate);
 
     void setId(uint32 id);
-    void startAnimation();
-
     uint32 getId() { return m_id; }
 
-    EffectPtr asEffect() { return self_cast<Effect>(); }
+    EffectPtr asEffect() { return static_self_cast<Effect>(); }
     bool isEffect() { return true; }
 
     const ThingTypePtr& getThingType();
     ThingType *rawGetThingType();
 
+protected:
+    void onAppear();
+
 private:
     Timer m_animationTimer;
     uint m_phaseDuration;
diff --git a/src/otclient/game.h b/src/otclient/game.h
index a440687c..5268ea1d 100644
--- a/src/otclient/game.h
+++ b/src/otclient/game.h
@@ -34,6 +34,8 @@
 #include "outfit.h"
 #include <framework/core/timer.h>
 
+#include <bitset>
+
 typedef std::tuple<std::string, bool> Vip;
 
 //@bindsingleton g_game
diff --git a/src/otclient/houses.h b/src/otclient/houses.h
index 443c7edb..cfa82c78 100644
--- a/src/otclient/houses.h
+++ b/src/otclient/houses.h
@@ -63,7 +63,7 @@ protected:
     void save(TiXmlElement &elem) { } // TODO
 
 private:
-    stdext::attrib_storage m_attribs;
+    stdext::packed_storage<uint8> m_attribs;
     TileMap m_tiles;
     stdext::boolean<false> m_isGuildHall;
 
diff --git a/src/otclient/item.h b/src/otclient/item.h
index 991a7fa2..258d7dbb 100644
--- a/src/otclient/item.h
+++ b/src/otclient/item.h
@@ -115,7 +115,7 @@ public:
     bool isTeleport() { return m_attribs.has(ATTR_TELE_DEST); }
     bool isMoveable();
 
-    ItemPtr asItem() { return self_cast<Item>(); }
+    ItemPtr asItem() { return static_self_cast<Item>(); }
     bool isItem() { return true; }
 
     const ThingTypePtr& getThingType();
@@ -125,7 +125,7 @@ private:
     uint16 m_id;
     uint16 m_otbId;
     uint8 m_countOrSubType;
-    stdext::attrib_storage m_attribs;
+    stdext::packed_storage<uint8> m_attribs;
 };
 #pragma pack(pop)
 
diff --git a/src/otclient/itemtype.h b/src/otclient/itemtype.h
index 228c5f82..7dbd16fc 100644
--- a/src/otclient/itemtype.h
+++ b/src/otclient/itemtype.h
@@ -103,7 +103,7 @@ private:
     ItemCategory m_category;
     stdext::boolean<true> m_null;
 
-    stdext::attrib_storage m_attribs;
+    stdext::dynamic_storage<uint8> m_attribs;
 };
 
 #endif
diff --git a/src/otclient/localplayer.h b/src/otclient/localplayer.h
index 97668a90..cb00aa7a 100644
--- a/src/otclient/localplayer.h
+++ b/src/otclient/localplayer.h
@@ -77,7 +77,7 @@ public:
     bool isAutoWalking() { return m_autoWalking; }
     bool isPremium() { return m_premium; }
 
-    LocalPlayerPtr asLocalPlayer() { return self_cast<LocalPlayer>(); }
+    LocalPlayerPtr asLocalPlayer() { return static_self_cast<LocalPlayer>(); }
     bool isLocalPlayer() { return true; }
 
 protected:
diff --git a/src/otclient/map.cpp b/src/otclient/map.cpp
index 68da1704..47abee1b 100644
--- a/src/otclient/map.cpp
+++ b/src/otclient/map.cpp
@@ -27,14 +27,10 @@
 #include "item.h"
 #include "missile.h"
 #include "statictext.h"
+#include "mapview.h"
 
 #include <framework/core/eventdispatcher.h>
-#include "mapview.h"
-#include <framework/core/resourcemanager.h>
-#include <framework/core/filestream.h>
-#include <framework/core/binarytree.h>
 #include <framework/core/application.h>
-#include <framework/xml/tinyxml.h>
 
 Map g_map;
 TilePtr Map::m_nulltile;
@@ -62,513 +58,6 @@ void Map::notificateTileUpdateToMapViews(const Position& pos)
         mapView->onTileUpdate(pos);
 }
 
-void Map::loadOtbm(const std::string& fileName)
-{
-    FileStreamPtr fin = g_resources.openFile(fileName);
-    if(!fin)
-        stdext::throw_exception(stdext::format("Unable to load map '%s'", fileName));
-
-    fin->cache();
-    if(!g_things.isOtbLoaded())
-        stdext::throw_exception("OTB isn't loaded yet to load a map.");
-
-    if(fin->getU32())
-        stdext::throw_exception("Unknown file version detected");
-
-    BinaryTreePtr root = fin->getBinaryTree();
-    if(root->getU8())
-        stdext::throw_exception("could not read root property!");
-
-    uint32 headerVersion = root->getU32();
-    if(!headerVersion || headerVersion > 3)
-        stdext::throw_exception(stdext::format("Unknown OTBM version detected: %u.", headerVersion));
-
-    setWidth(root->getU16());
-    setHeight(root->getU16());
-
-    uint32 headerMajorItems = root->getU8();
-    if(headerMajorItems < 3) {
-        stdext::throw_exception(stdext::format("This map needs to be upgraded. read %d what it's supposed to be: %u",
-                                               headerMajorItems, g_things.getOtbMajorVersion()));
-    }
-
-    if(headerMajorItems > g_things.getOtbMajorVersion()) {
-        stdext::throw_exception(stdext::format("This map was saved with different OTB version. read %d what it's supposed to be: %d",
-                                               headerMajorItems, g_things.getOtbMajorVersion()));
-    }
-
-    root->skip(3);
-    uint32 headerMinorItems =  root->getU32();
-    if(headerMinorItems > g_things.getOtbMinorVersion()) {
-        g_logger.warning(stdext::format("This map needs an updated OTB. read %d what it's supposed to be: %d or less",
-                                        headerMinorItems, g_things.getOtbMinorVersion()));
-    }
-
-    BinaryTreePtr node = root->getChildren()[0];
-    if(node->getU8() != OTBM_MAP_DATA)
-        stdext::throw_exception("Could not read root data node");
-
-    while (node->canRead()) {
-        uint8 attribute = node->getU8();
-        std::string tmp = node->getString();
-        switch (attribute) {
-        case OTBM_ATTR_DESCRIPTION:
-            setDescription(tmp);
-            break;
-        case OTBM_ATTR_SPAWN_FILE:
-            setSpawnFile(fileName.substr(0, fileName.rfind('/') + 1) + tmp);
-            break;
-        case OTBM_ATTR_HOUSE_FILE:
-            setHouseFile(fileName.substr(0, fileName.rfind('/') + 1) + tmp);
-            break;
-        default:
-            stdext::throw_exception(stdext::format("Invalid attribute '%d'", (int)attribute));
-        }
-    }
-
-    for(const BinaryTreePtr &nodeMapData : node->getChildren()) {
-        uint8 mapDataType = nodeMapData->getU8();
-        if(mapDataType == OTBM_TILE_AREA) {
-            Position basePos = nodeMapData->getPosition();
-
-            for(const BinaryTreePtr &nodeTile : nodeMapData->getChildren()) {
-                uint8 type = nodeTile->getU8();
-                if(type != OTBM_TILE && type != OTBM_HOUSETILE)
-                    stdext::throw_exception(stdext::format("invalid node tile type %d", (int)type));
-
-                HousePtr house = nullptr;
-                uint32 flags = TILESTATE_NONE;
-                Position pos = basePos + nodeTile->getPoint();
-
-                if(type ==  OTBM_HOUSETILE) {
-                    uint32 hId = nodeTile->getU32();
-                    TilePtr tile = getOrCreateTile(pos);
-                    if(!(house = m_houses.getHouse(hId))) {
-                        house = HousePtr(new House(hId));
-                        m_houses.addHouse(house);
-                    }
-                    house->setTile(tile);
-                }
-
-                while(nodeTile->canRead()) {
-                    uint8 tileAttr = nodeTile->getU8();
-                    switch (tileAttr) {
-                        case OTBM_ATTR_TILE_FLAGS: {
-                            uint32 _flags = nodeTile->getU32();
-                            if((_flags & TILESTATE_PROTECTIONZONE) == TILESTATE_PROTECTIONZONE)
-                                flags |= TILESTATE_PROTECTIONZONE;
-                            else if((_flags & TILESTATE_OPTIONALZONE) == TILESTATE_OPTIONALZONE)
-                                flags |= TILESTATE_OPTIONALZONE;
-                            else if((_flags & TILESTATE_HARDCOREZONE) == TILESTATE_HARDCOREZONE)
-                                flags |= TILESTATE_HARDCOREZONE;
-
-                            if((_flags & TILESTATE_NOLOGOUT) == TILESTATE_NOLOGOUT)
-                                flags |= TILESTATE_NOLOGOUT;
-
-                            if((_flags & TILESTATE_REFRESH) == TILESTATE_REFRESH)
-                                flags |= TILESTATE_REFRESH;
-
-                            break;
-                        }
-                        case OTBM_ATTR_ITEM: {
-                            addThing(Item::createFromOtb(nodeTile->getU16()), pos);
-                            break;
-                        }
-                        default: {
-                            stdext::throw_exception(stdext::format("invalid tile attribute %d at pos %s", (int)tileAttr, stdext::to_string(pos)));
-                        }
-                    }
-                }
-
-                for(const BinaryTreePtr &nodeItem : nodeTile->getChildren()) {
-                    if(nodeItem->getU8() != OTBM_ITEM)
-                        stdext::throw_exception("invalid item node");
-
-                    ItemPtr item = Item::createFromOtb(nodeItem->getU16());
-                    item->unserializeItem(nodeItem);
-
-                    if(item->isContainer()) {
-                        for(const BinaryTreePtr& containerItem : nodeItem->getChildren()) {
-                            if(containerItem->getU8() != OTBM_ITEM)
-                                stdext::throw_exception("invalid container item node");
-
-                            ItemPtr cItem = Item::createFromOtb(containerItem->getU16());
-                            cItem->unserializeItem(containerItem);
-                            //item->addContainerItem(cItem);
-                        }
-                    }
-
-                    if(house && item->isMoveable()) {
-                        g_logger.warning(stdext::format("Movable item found in house: %d at pos %s - escaping...", item->getId(), stdext::to_string(pos)));
-                        item.reset();
-                    }
-
-                    addThing(item, pos);
-                }
-
-                if(const TilePtr& tile = getTile(pos))
-                    tile->setFlags((tileflags_t)flags);
-            }
-        } else if(mapDataType == OTBM_TOWNS) {
-            TownPtr town = nullptr;
-            for(const BinaryTreePtr &nodeTown : nodeMapData->getChildren()) {
-                if(nodeTown->getU8() != OTBM_TOWN)
-                    stdext::throw_exception("invalid town node.");
-
-                uint32 townId = nodeTown->getU32();
-                std::string townName = nodeTown->getString();
-                Position townCoords = nodeTown->getPosition();
-                if(!(town = m_towns.getTown(townId))) {
-                    town = TownPtr(new Town(townId, townName, townCoords));
-                    m_towns.addTown(town);
-                }
-            }
-        } else if(mapDataType == OTBM_WAYPOINTS && headerVersion > 1) {
-            for(const BinaryTreePtr &nodeWaypoint : nodeMapData->getChildren()) {
-                if(nodeWaypoint->getU8() != OTBM_WAYPOINT)
-                    stdext::throw_exception("invalid waypoint node.");
-
-                std::string name = nodeWaypoint->getString();
-                Position waypointPos = nodeWaypoint->getPosition();
-                if(waypointPos.isValid() && !name.empty() && m_waypoints.find(waypointPos) == m_waypoints.end())
-                    m_waypoints.insert(std::make_pair(waypointPos, name));
-            }
-        } else
-            stdext::throw_exception(stdext::format("Unknown map data node %d", (int)mapDataType));
-    }
-
-    g_logger.debug("OTBM read successfully.");
-    fin->close();
-
-    loadSpawns(getSpawnFile());
-    m_houses.load(getHouseFile());
-}
-
-void Map::saveOtbm(const std::string &fileName)
-{
-#if 0
-    /// FIXME: Untested code
-    FileStreamPtr fin = g_resources.appendFile(fileName);
-    if(!fin)
-        stdext::throw_exception(stdext::format("failed to open file '%s' for write", fileName));
-
-    std::string dir;
-    if(fileName.find_last_of('/') == std::string::npos)
-        dir = g_resources.getWorkDir();
-    else
-        dir = fileName.substr(0, fileName.find_last_of('/'));
-
-    uint32 version = 0;
-    /// Support old versions (< 810 or 860 IIRC)
-    /// TODO: Use constants?
-    if(g_things.getOtbMajorVersion() < 10)
-        version = 1;
-    else
-        version = 2;
-
-    /// Usually when a map has empty house/spawn file it means the map is new.
-    /// TODO: Ask the user for a map name instead of those ugly uses of substr
-    std::string houseFile = getHouseFile(), spawnFile = getSpawnFile();
-    if(houseFile.empty() && version > 1)
-        houseFile = fileName.substr(fileName.find_last_of('/')) + "-houses.xml";
-    if(spawnFile.empty())
-        spawnFile = fileName.substr(fileName.find_last_of('/')) + "-spawns.xml";
-
-#if 0
-    if(version > 1)
-        m_houses->save(dir + "/" + houseFile);
-
-    saveSpawns(dir + "/" + spawnFile);
-#endif
-
-    time_t start = time(0);
-    fin->addU32(0); // file version
-    BinaryTreePtr root = fin->makeTree();
-    {
-        root->writeU32(version);
-
-        Size mapSize = getSize();
-        root->writeU16(mapSize.width());
-        root->writeU16(mapSize.height());
-
-        root->writeU32(g_things.getOtbMajorVersion());
-        root->writeU32(g_things.getOtbMinorVersion());
-
-        BinaryTreePtr mapData = root->makeChild(OTBM_MAP_DATA);
-        {
-            // own description.
-            for(const auto& desc : getDescriptions()) {
-                mapData->writeU8(OTBM_ATTR_DESCRIPTION);
-                mapData->writeString(desc);
-            }
-
-            // special one
-            mapData->writeU8(OTBM_ATTR_DESCRIPTION);
-            mapData->writeString(stdext::format("Saved with %s v%d", g_app.getName(), stdext::unsafe_cast<int>(g_app.getVersion())));
-
-            // spawn file.
-            mapData->writeU8(OTBM_ATTR_SPAWN_FILE);
-            mapData->writeString(spawnFile);
-
-            // house file.
-            if(version > 1) {
-                mapData->writeU8(OTBM_ATTR_HOUSE_FILE);
-                mapData->writeString(houseFile);
-            }
-
-            /// write tiles first
-            BinaryTreePtr tileArea = mapData->makeChild(OTBM_TILE_AREA);
-            Position base(-1, -1, -1);
-            for(const auto& pair : m_tiles) {
-                Position pos = pair.first;
-                TilePtr tile = pair.second;
-
-                /// base position
-                if(pos.x < base.x || pos.x >= base.x + 256 || pos.y < base.y|| pos.y >= base.y + 256 ||
-                        pos.z != base.z) {
-                    tileArea->writePos(base = pos & 0xFF00);
-                }
-
-                BinaryTreePtr tileNode(nullptr);
-                uint32 flags = tile->getFlags();
-                if((flags & TILESTATE_HOUSE) == TILESTATE_HOUSE)
-                    tileNode = tileArea->makeChild(OTBM_HOUSETILE);
-                else
-                    tileNode = tileArea->makeChild(OTBM_TILE);
-
-                tileNode->writePoint(Point(pos.x, pos.y));
-//                if(tileNode->getType() == OTBM_HOUSETILE)
-//                    tileNode->writeU32(tile->getHouseId());
-
-                /// Tile flags
-                if(flags != 0) {
-                    tileNode->writeU8(OTBM_ATTR_TILE_FLAGS);
-                    tileNode->writeU32(flags);
-                }
-
-                /// start writing tile items
-                for(const ItemPtr& item : tile->getItems()) {
-                    BinaryTreePtr itemNode = tileNode->makeChild(OTBM_ATTR_ITEM);
-                    item->serializeItem(itemNode);
-                }
-            }
-
-            /// write towns
-            BinaryTreePtr townNode = mapData->makeChild(OTBM_TOWNS);
-            for(const TownPtr& town : m_towns.getTowns()) {
-                BinaryTreePtr newTown = townNode->makeChild(OTBM_TOWN);
-                {
-                    newTown->writeU32(town->getId());
-                    newTown->writeString(town->getName());
-                    newTown->writePos(town->getPos());
-                }
-            }
-
-            /// write waypoints
-            if(version > 1) {
-                BinaryTreePtr waypointNode = mapData->makeChild(OTBM_WAYPOINTS);
-                for(const auto& it : m_waypoints) {
-                    BinaryTreePtr newWaypoint = waypointNode->makeChild(OTBM_WAYPOINT);
-                    {
-                        newWaypoint->writeString(it.second);
-                        newWaypoint->writePos(it.first);
-                    }
-                }
-            }
-        }
-    }
-
-    root->writeToFile();
-    g_logger.debug(stdext::format("OTBM saving took %ld", time(0) - start));
-#endif
-}
-
-void Map::loadSpawns(const std::string &fileName)
-{
-    if(!m_creatures.isLoaded())
-        stdext::throw_exception("cannot load spawns; monsters/nps aren't loaded.");
-
-    TiXmlDocument doc;
-    doc.Parse(g_resources.loadFile(fileName).c_str());
-    if(doc.Error())
-        stdext::throw_exception(stdext::format("cannot load spawns xml file '%s: '%s'", fileName, doc.ErrorDesc()));
-
-    TiXmlElement* root = doc.FirstChildElement();
-    if(!root || root->ValueStr() != "spawns")
-        stdext::throw_exception("malformed spawns file");
-
-    CreatureTypePtr cType(nullptr);
-    for(TiXmlElement* node = root->FirstChildElement(); node; node = node->NextSiblingElement()) {
-        if(node->ValueTStr() != "spawn")
-            stdext::throw_exception("invalid spawn node");
-
-        Position centerPos = node->readPos("center");
-        for(TiXmlElement* cNode = node->FirstChildElement(); cNode; cNode = cNode->NextSiblingElement()) {
-            if(cNode->ValueStr() != "monster" && cNode->ValueStr() != "npc")
-                stdext::throw_exception(stdext::format("invalid spawn-subnode %s", cNode->ValueStr()));
-
-            std::string cName = stdext::trim(stdext::tolower(cNode->Attribute("name")));
-            if (!(cType = m_creatures.getCreature(cName)))
-                continue;
-
-            cType->setSpawnTime(cNode->readType<int>("spawntime"));
-            CreaturePtr creature(new Creature);
-            creature->setOutfit(cType->getOutfit());
-            creature->setName(cType->getName());
-
-            addThing(creature, centerPos + cNode->readPoint());
-        }
-    }
-
-    doc.Clear();
-}
-
-bool Map::loadOtcm(const std::string& fileName)
-{
-    try {
-        FileStreamPtr fin = g_resources.openFile(fileName);
-        if(!fin)
-            stdext::throw_exception("unable to open file");
-
-        stdext::timer loadTimer;
-        fin->cache();
-
-        uint32 signature = fin->getU32();
-        if(signature != OTCM_SIGNATURE)
-            stdext::throw_exception("invalid otcm file");
-
-        uint16 start = fin->getU16();
-        uint16 version = fin->getU16();
-        fin->getU32(); // flags
-
-        switch(version) {
-            case 1: {
-                fin->getString(); // description
-                uint32 datSignature = fin->getU32();
-                fin->getU16(); // protocol version
-                fin->getString(); // world name
-
-                if(datSignature != g_things.getDatSignature())
-                    g_logger.warning("otcm map loaded was created with a different dat signature");
-
-                break;
-            }
-            default:
-                stdext::throw_exception("otcm version not supported");
-        }
-
-        fin->seek(start);
-
-        while(true) {
-            Position pos;
-
-            pos.x = fin->getU16();
-            pos.y = fin->getU16();
-            pos.z = fin->getU8();
-
-            // end of file
-            if(!pos.isValid())
-                break;
-
-            const TilePtr& tile = g_map.createTile(pos);
-
-            int stackPos = 0;
-            while(true) {
-                int id = fin->getU16();
-
-                // end of tile
-                if(id == 0xFFFF)
-                    break;
-
-                int countOrSubType = fin->getU8();
-
-                ItemPtr item = Item::create(id);
-                item->setCountOrSubType(countOrSubType);
-
-                if(item->isValid())
-                    tile->addThing(item, stackPos++);
-            }
-        }
-
-        fin->close();
-
-        g_logger.debug(stdext::format("Otcm load time: %.2f seconds", loadTimer.elapsed_seconds()));
-        return true;
-    } catch(stdext::exception& e) {
-        g_logger.error(stdext::format("failed to load OTCM map: %s", e.what()));
-        return false;
-    }
-}
-
-void Map::saveOtcm(const std::string& fileName)
-{
-#if 0
-    try {
-        g_clock.update();
-
-        FileStreamPtr fin = g_resources.createFile(fileName);
-        fin->cache();
-
-        //TODO: compression flag with zlib
-        uint32 flags = 0;
-
-        // header
-        fin->addU32(OTCM_SIGNATURE);
-        fin->addU16(0); // data start, will be overwritten later
-        fin->addU16(OTCM_VERSION);
-        fin->addU32(flags);
-
-        // version 1 header
-        fin->addString("OTCM 1.0"); // map description
-        fin->addU32(g_things.getDatSignature());
-        fin->addU16(g_game.getClientVersion());
-        fin->addString(g_game.getWorldName());
-
-        // go back and rewrite where the map data starts
-        uint32 start = fin->tell();
-        fin->seek(4);
-        fin->addU16(start);
-        fin->seek(start);
-
-        for(auto& pair : m_tiles) {
-            const TilePtr& tile = pair.second;
-            if(!tile || tile->isEmpty())
-                continue;
-
-            Position pos = pair.first;
-            fin->addU16(pos.x);
-            fin->addU16(pos.y);
-            fin->addU8(pos.z);
-
-            const auto& list = tile->getThings();
-            auto first = std::find_if(list.begin(), list.end(), [](const ThingPtr& thing) { return thing->isItem(); });
-            for(auto it = first, end = list.end(); it != end; ++it) {
-                const ThingPtr& thing = *it;
-                if(thing->isItem()) {
-                    ItemPtr item = thing->self_cast<Item>();
-                    fin->addU16(item->getId());
-                    fin->addU8(item->getCountOrSubType());
-                }
-            }
-
-            // end of tile
-            fin->addU16(0xFFFF);
-        }
-
-        // end of file
-        Position invalidPos;
-        fin->addU16(invalidPos.x);
-        fin->addU16(invalidPos.y);
-        fin->addU8(invalidPos.z);
-
-        fin->flush();
-        fin->close();
-    } catch(stdext::exception& e) {
-        g_logger.error(stdext::format("failed to save OTCM map: %s", e.what()));
-    }
-#endif
-}
-
 void Map::clean()
 {
     cleanDynamicThings();
@@ -617,11 +106,11 @@ void Map::addThing(const ThingPtr& thing, const Position& pos, int stackPos)
     if(thing->isItem() || thing->isCreature() || thing->isEffect()) {
         tile->addThing(thing, stackPos);
     } else if(thing->isMissile()) {
-        m_floorMissiles[pos.z].push_back(thing->self_cast<Missile>());
+        m_floorMissiles[pos.z].push_back(thing->static_self_cast<Missile>());
     } else if(thing->isAnimatedText()) {
-        m_animatedTexts.push_back(thing->self_cast<AnimatedText>());
+        m_animatedTexts.push_back(thing->static_self_cast<AnimatedText>());
     } else if(thing->isStaticText()) {
-        StaticTextPtr staticText = thing->self_cast<StaticText>();
+        StaticTextPtr staticText = thing->static_self_cast<StaticText>();
         bool mustAdd = true;
         for(auto it = m_staticTexts.begin(), end = m_staticTexts.end(); it != end; ++it) {
             StaticTextPtr cStaticText = *it;
@@ -641,11 +130,13 @@ void Map::addThing(const ThingPtr& thing, const Position& pos, int stackPos)
             m_staticTexts.push_back(staticText);
     }
 
-    thing->startAnimation();
+    if(!thing->isCreature())
+        thing->onAppear();
+
     thing->setPosition(pos);
 
     if(thing->isCreature()) {
-        CreaturePtr creature = thing->self_cast<Creature>();
+        CreaturePtr creature = thing->static_self_cast<Creature>();
         if(oldPos != pos) {
             if(oldPos.isInRange(pos,1,1))
                 g_game.processCreatureMove(creature, oldPos, pos);
@@ -672,7 +163,7 @@ bool Map::removeThing(const ThingPtr& thing)
     notificateTileUpdateToMapViews(thing->getPosition());
 
     if(thing->isMissile()) {
-        MissilePtr missile = thing->self_cast<Missile>();
+        MissilePtr missile = thing->static_self_cast<Missile>();
         int z = missile->getPosition().z;
         auto it = std::find(m_floorMissiles[z].begin(), m_floorMissiles[z].end(), missile);
         if(it != m_floorMissiles[z].end()) {
@@ -680,14 +171,14 @@ bool Map::removeThing(const ThingPtr& thing)
             return true;
         }
     } else if(thing->isAnimatedText()) {
-        AnimatedTextPtr animatedText = thing->self_cast<AnimatedText>();
+        AnimatedTextPtr animatedText = thing->static_self_cast<AnimatedText>();
         auto it = std::find(m_animatedTexts.begin(), m_animatedTexts.end(), animatedText);
         if(it != m_animatedTexts.end()) {
             m_animatedTexts.erase(it);
             return true;
         }
     } else if(thing->isStaticText()) {
-        StaticTextPtr staticText = thing->self_cast<StaticText>();
+        StaticTextPtr staticText = thing->static_self_cast<StaticText>();
         auto it = std::find(m_staticTexts.begin(), m_staticTexts.end(), staticText);
         if(it != m_staticTexts.end()) {
             m_staticTexts.erase(it);
diff --git a/src/otclient/map.h b/src/otclient/map.h
index 31d2be6c..ecbb7cb8 100644
--- a/src/otclient/map.h
+++ b/src/otclient/map.h
@@ -267,7 +267,7 @@ private:
     Position m_centralPosition;
     Rect m_tilesRect;
 
-    stdext::attrib_storage m_attribs;
+    stdext::packed_storage<uint8> m_attribs;
     Houses m_houses;
     Towns m_towns;
     Creatures m_creatures;
diff --git a/src/otclient/mapio.cpp b/src/otclient/mapio.cpp
new file mode 100644
index 00000000..c9d58bb9
--- /dev/null
+++ b/src/otclient/mapio.cpp
@@ -0,0 +1,540 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "map.h"
+#include "tile.h"
+
+#include <framework/core/eventdispatcher.h>
+#include <framework/core/resourcemanager.h>
+#include <framework/core/filestream.h>
+#include <framework/core/binarytree.h>
+#include <framework/xml/tinyxml.h>
+
+void Map::loadOtbm(const std::string& fileName)
+{
+    FileStreamPtr fin = g_resources.openFile(fileName);
+    if(!fin)
+        stdext::throw_exception(stdext::format("Unable to load map '%s'", fileName));
+
+    fin->cache();
+    if(!g_things.isOtbLoaded())
+        stdext::throw_exception("OTB isn't loaded yet to load a map.");
+
+    if(fin->getU32())
+        stdext::throw_exception("Unknown file version detected");
+
+    BinaryTreePtr root = fin->getBinaryTree();
+    if(root->getU8())
+        stdext::throw_exception("could not read root property!");
+
+    uint32 headerVersion = root->getU32();
+    if(!headerVersion || headerVersion > 3)
+        stdext::throw_exception(stdext::format("Unknown OTBM version detected: %u.", headerVersion));
+
+    setWidth(root->getU16());
+    setHeight(root->getU16());
+
+    uint32 headerMajorItems = root->getU8();
+    if(headerMajorItems < 3) {
+        stdext::throw_exception(stdext::format("This map needs to be upgraded. read %d what it's supposed to be: %u",
+                                               headerMajorItems, g_things.getOtbMajorVersion()));
+    }
+
+    if(headerMajorItems > g_things.getOtbMajorVersion()) {
+        stdext::throw_exception(stdext::format("This map was saved with different OTB version. read %d what it's supposed to be: %d",
+                                               headerMajorItems, g_things.getOtbMajorVersion()));
+    }
+
+    root->skip(3);
+    uint32 headerMinorItems =  root->getU32();
+    if(headerMinorItems > g_things.getOtbMinorVersion()) {
+        g_logger.warning(stdext::format("This map needs an updated OTB. read %d what it's supposed to be: %d or less",
+                                        headerMinorItems, g_things.getOtbMinorVersion()));
+    }
+
+    BinaryTreePtr node = root->getChildren()[0];
+    if(node->getU8() != OTBM_MAP_DATA)
+        stdext::throw_exception("Could not read root data node");
+
+    while (node->canRead()) {
+        uint8 attribute = node->getU8();
+        std::string tmp = node->getString();
+        switch (attribute) {
+        case OTBM_ATTR_DESCRIPTION:
+            setDescription(tmp);
+            break;
+        case OTBM_ATTR_SPAWN_FILE:
+            setSpawnFile(fileName.substr(0, fileName.rfind('/') + 1) + tmp);
+            break;
+        case OTBM_ATTR_HOUSE_FILE:
+            setHouseFile(fileName.substr(0, fileName.rfind('/') + 1) + tmp);
+            break;
+        default:
+            stdext::throw_exception(stdext::format("Invalid attribute '%d'", (int)attribute));
+        }
+    }
+
+    for(const BinaryTreePtr &nodeMapData : node->getChildren()) {
+        uint8 mapDataType = nodeMapData->getU8();
+        if(mapDataType == OTBM_TILE_AREA) {
+            Position basePos = nodeMapData->getPosition();
+
+            for(const BinaryTreePtr &nodeTile : nodeMapData->getChildren()) {
+                uint8 type = nodeTile->getU8();
+                if(type != OTBM_TILE && type != OTBM_HOUSETILE)
+                    stdext::throw_exception(stdext::format("invalid node tile type %d", (int)type));
+
+                HousePtr house = nullptr;
+                uint32 flags = TILESTATE_NONE;
+                Position pos = basePos + nodeTile->getPoint();
+
+                if(type ==  OTBM_HOUSETILE) {
+                    uint32 hId = nodeTile->getU32();
+                    TilePtr tile = getOrCreateTile(pos);
+                    if(!(house = m_houses.getHouse(hId))) {
+                        house = HousePtr(new House(hId));
+                        m_houses.addHouse(house);
+                    }
+                    house->setTile(tile);
+                }
+
+                while(nodeTile->canRead()) {
+                    uint8 tileAttr = nodeTile->getU8();
+                    switch (tileAttr) {
+                        case OTBM_ATTR_TILE_FLAGS: {
+                            uint32 _flags = nodeTile->getU32();
+                            if((_flags & TILESTATE_PROTECTIONZONE) == TILESTATE_PROTECTIONZONE)
+                                flags |= TILESTATE_PROTECTIONZONE;
+                            else if((_flags & TILESTATE_OPTIONALZONE) == TILESTATE_OPTIONALZONE)
+                                flags |= TILESTATE_OPTIONALZONE;
+                            else if((_flags & TILESTATE_HARDCOREZONE) == TILESTATE_HARDCOREZONE)
+                                flags |= TILESTATE_HARDCOREZONE;
+
+                            if((_flags & TILESTATE_NOLOGOUT) == TILESTATE_NOLOGOUT)
+                                flags |= TILESTATE_NOLOGOUT;
+
+                            if((_flags & TILESTATE_REFRESH) == TILESTATE_REFRESH)
+                                flags |= TILESTATE_REFRESH;
+
+                            break;
+                        }
+                        case OTBM_ATTR_ITEM: {
+                            addThing(Item::createFromOtb(nodeTile->getU16()), pos);
+                            break;
+                        }
+                        default: {
+                            stdext::throw_exception(stdext::format("invalid tile attribute %d at pos %s", (int)tileAttr, stdext::to_string(pos)));
+                        }
+                    }
+                }
+
+                for(const BinaryTreePtr &nodeItem : nodeTile->getChildren()) {
+                    if(nodeItem->getU8() != OTBM_ITEM)
+                        stdext::throw_exception("invalid item node");
+
+                    ItemPtr item = Item::createFromOtb(nodeItem->getU16());
+                    item->unserializeItem(nodeItem);
+
+                    if(item->isContainer()) {
+                        for(const BinaryTreePtr& containerItem : nodeItem->getChildren()) {
+                            if(containerItem->getU8() != OTBM_ITEM)
+                                stdext::throw_exception("invalid container item node");
+
+                            ItemPtr cItem = Item::createFromOtb(containerItem->getU16());
+                            cItem->unserializeItem(containerItem);
+                            //item->addContainerItem(cItem);
+                        }
+                    }
+
+                    if(house && item->isMoveable()) {
+                        g_logger.warning(stdext::format("Movable item found in house: %d at pos %s - escaping...", item->getId(), stdext::to_string(pos)));
+                        item.reset();
+                    }
+
+                    addThing(item, pos);
+                }
+
+                if(const TilePtr& tile = getTile(pos))
+                    tile->setFlags((tileflags_t)flags);
+            }
+        } else if(mapDataType == OTBM_TOWNS) {
+            TownPtr town = nullptr;
+            for(const BinaryTreePtr &nodeTown : nodeMapData->getChildren()) {
+                if(nodeTown->getU8() != OTBM_TOWN)
+                    stdext::throw_exception("invalid town node.");
+
+                uint32 townId = nodeTown->getU32();
+                std::string townName = nodeTown->getString();
+                Position townCoords = nodeTown->getPosition();
+                if(!(town = m_towns.getTown(townId))) {
+                    town = TownPtr(new Town(townId, townName, townCoords));
+                    m_towns.addTown(town);
+                }
+            }
+        } else if(mapDataType == OTBM_WAYPOINTS && headerVersion > 1) {
+            for(const BinaryTreePtr &nodeWaypoint : nodeMapData->getChildren()) {
+                if(nodeWaypoint->getU8() != OTBM_WAYPOINT)
+                    stdext::throw_exception("invalid waypoint node.");
+
+                std::string name = nodeWaypoint->getString();
+                Position waypointPos = nodeWaypoint->getPosition();
+                if(waypointPos.isValid() && !name.empty() && m_waypoints.find(waypointPos) == m_waypoints.end())
+                    m_waypoints.insert(std::make_pair(waypointPos, name));
+            }
+        } else
+            stdext::throw_exception(stdext::format("Unknown map data node %d", (int)mapDataType));
+    }
+
+    g_logger.debug("OTBM read successfully.");
+    fin->close();
+
+    loadSpawns(getSpawnFile());
+    m_houses.load(getHouseFile());
+}
+
+void Map::saveOtbm(const std::string &fileName)
+{
+#if 0
+    /// FIXME: Untested code
+    FileStreamPtr fin = g_resources.appendFile(fileName);
+    if(!fin)
+        stdext::throw_exception(stdext::format("failed to open file '%s' for write", fileName));
+
+    std::string dir;
+    if(fileName.find_last_of('/') == std::string::npos)
+        dir = g_resources.getWorkDir();
+    else
+        dir = fileName.substr(0, fileName.find_last_of('/'));
+
+    uint32 version = 0;
+    /// Support old versions (< 810 or 860 IIRC)
+    /// TODO: Use constants?
+    if(g_things.getOtbMajorVersion() < 10)
+        version = 1;
+    else
+        version = 2;
+
+    /// Usually when a map has empty house/spawn file it means the map is new.
+    /// TODO: Ask the user for a map name instead of those ugly uses of substr
+    std::string houseFile = getHouseFile(), spawnFile = getSpawnFile();
+    if(houseFile.empty() && version > 1)
+        houseFile = fileName.substr(fileName.find_last_of('/')) + "-houses.xml";
+    if(spawnFile.empty())
+        spawnFile = fileName.substr(fileName.find_last_of('/')) + "-spawns.xml";
+
+#if 0
+    if(version > 1)
+        m_houses->save(dir + "/" + houseFile);
+
+    saveSpawns(dir + "/" + spawnFile);
+#endif
+
+    time_t start = time(0);
+    fin->addU32(0); // file version
+    BinaryTreePtr root = fin->makeTree();
+    {
+        root->writeU32(version);
+
+        Size mapSize = getSize();
+        root->writeU16(mapSize.width());
+        root->writeU16(mapSize.height());
+
+        root->writeU32(g_things.getOtbMajorVersion());
+        root->writeU32(g_things.getOtbMinorVersion());
+
+        BinaryTreePtr mapData = root->makeChild(OTBM_MAP_DATA);
+        {
+            // own description.
+            for(const auto& desc : getDescriptions()) {
+                mapData->writeU8(OTBM_ATTR_DESCRIPTION);
+                mapData->writeString(desc);
+            }
+
+            // special one
+            mapData->writeU8(OTBM_ATTR_DESCRIPTION);
+            mapData->writeString(stdext::format("Saved with %s v%d", g_app.getName(), stdext::unsafe_cast<int>(g_app.getVersion())));
+
+            // spawn file.
+            mapData->writeU8(OTBM_ATTR_SPAWN_FILE);
+            mapData->writeString(spawnFile);
+
+            // house file.
+            if(version > 1) {
+                mapData->writeU8(OTBM_ATTR_HOUSE_FILE);
+                mapData->writeString(houseFile);
+            }
+
+            /// write tiles first
+            BinaryTreePtr tileArea = mapData->makeChild(OTBM_TILE_AREA);
+            Position base(-1, -1, -1);
+            for(const auto& pair : m_tiles) {
+                Position pos = pair.first;
+                TilePtr tile = pair.second;
+
+                /// base position
+                if(pos.x < base.x || pos.x >= base.x + 256 || pos.y < base.y|| pos.y >= base.y + 256 ||
+                        pos.z != base.z) {
+                    tileArea->writePos(base = pos & 0xFF00);
+                }
+
+                BinaryTreePtr tileNode(nullptr);
+                uint32 flags = tile->getFlags();
+                if((flags & TILESTATE_HOUSE) == TILESTATE_HOUSE)
+                    tileNode = tileArea->makeChild(OTBM_HOUSETILE);
+                else
+                    tileNode = tileArea->makeChild(OTBM_TILE);
+
+                tileNode->writePoint(Point(pos.x, pos.y));
+//                if(tileNode->getType() == OTBM_HOUSETILE)
+//                    tileNode->writeU32(tile->getHouseId());
+
+                /// Tile flags
+                if(flags != 0) {
+                    tileNode->writeU8(OTBM_ATTR_TILE_FLAGS);
+                    tileNode->writeU32(flags);
+                }
+
+                /// start writing tile items
+                for(const ItemPtr& item : tile->getItems()) {
+                    BinaryTreePtr itemNode = tileNode->makeChild(OTBM_ATTR_ITEM);
+                    item->serializeItem(itemNode);
+                }
+            }
+
+            /// write towns
+            BinaryTreePtr townNode = mapData->makeChild(OTBM_TOWNS);
+            for(const TownPtr& town : m_towns.getTowns()) {
+                BinaryTreePtr newTown = townNode->makeChild(OTBM_TOWN);
+                {
+                    newTown->writeU32(town->getId());
+                    newTown->writeString(town->getName());
+                    newTown->writePos(town->getPos());
+                }
+            }
+
+            /// write waypoints
+            if(version > 1) {
+                BinaryTreePtr waypointNode = mapData->makeChild(OTBM_WAYPOINTS);
+                for(const auto& it : m_waypoints) {
+                    BinaryTreePtr newWaypoint = waypointNode->makeChild(OTBM_WAYPOINT);
+                    {
+                        newWaypoint->writeString(it.second);
+                        newWaypoint->writePos(it.first);
+                    }
+                }
+            }
+        }
+    }
+
+    root->writeToFile();
+    g_logger.debug(stdext::format("OTBM saving took %ld", time(0) - start));
+#endif
+}
+
+void Map::loadSpawns(const std::string &fileName)
+{
+    if(!m_creatures.isLoaded())
+        stdext::throw_exception("cannot load spawns; monsters/nps aren't loaded.");
+
+    TiXmlDocument doc;
+    doc.Parse(g_resources.loadFile(fileName).c_str());
+    if(doc.Error())
+        stdext::throw_exception(stdext::format("cannot load spawns xml file '%s: '%s'", fileName, doc.ErrorDesc()));
+
+    TiXmlElement* root = doc.FirstChildElement();
+    if(!root || root->ValueStr() != "spawns")
+        stdext::throw_exception("malformed spawns file");
+
+    CreatureTypePtr cType(nullptr);
+    for(TiXmlElement* node = root->FirstChildElement(); node; node = node->NextSiblingElement()) {
+        if(node->ValueTStr() != "spawn")
+            stdext::throw_exception("invalid spawn node");
+
+        Position centerPos = node->readPos("center");
+        for(TiXmlElement* cNode = node->FirstChildElement(); cNode; cNode = cNode->NextSiblingElement()) {
+            if(cNode->ValueStr() != "monster" && cNode->ValueStr() != "npc")
+                stdext::throw_exception(stdext::format("invalid spawn-subnode %s", cNode->ValueStr()));
+
+            std::string cName = cNode->Attribute("name");
+            stdext::tolower(cName);
+            stdext::trim(cName);
+
+            if (!(cType = m_creatures.getCreature(cName)))
+                continue;
+
+            cType->setSpawnTime(cNode->readType<int>("spawntime"));
+            CreaturePtr creature(new Creature);
+            creature->setOutfit(cType->getOutfit());
+            creature->setName(cType->getName());
+
+            addThing(creature, centerPos + cNode->readPoint());
+        }
+    }
+
+    doc.Clear();
+}
+
+bool Map::loadOtcm(const std::string& fileName)
+{
+    try {
+        FileStreamPtr fin = g_resources.openFile(fileName);
+        if(!fin)
+            stdext::throw_exception("unable to open file");
+
+        stdext::timer loadTimer;
+        fin->cache();
+
+        uint32 signature = fin->getU32();
+        if(signature != OTCM_SIGNATURE)
+            stdext::throw_exception("invalid otcm file");
+
+        uint16 start = fin->getU16();
+        uint16 version = fin->getU16();
+        fin->getU32(); // flags
+
+        switch(version) {
+            case 1: {
+                fin->getString(); // description
+                uint32 datSignature = fin->getU32();
+                fin->getU16(); // protocol version
+                fin->getString(); // world name
+
+                if(datSignature != g_things.getDatSignature())
+                    g_logger.warning("otcm map loaded was created with a different dat signature");
+
+                break;
+            }
+            default:
+                stdext::throw_exception("otcm version not supported");
+        }
+
+        fin->seek(start);
+
+        while(true) {
+            Position pos;
+
+            pos.x = fin->getU16();
+            pos.y = fin->getU16();
+            pos.z = fin->getU8();
+
+            // end of file
+            if(!pos.isValid())
+                break;
+
+            const TilePtr& tile = g_map.createTile(pos);
+
+            int stackPos = 0;
+            while(true) {
+                int id = fin->getU16();
+
+                // end of tile
+                if(id == 0xFFFF)
+                    break;
+
+                int countOrSubType = fin->getU8();
+
+                ItemPtr item = Item::create(id);
+                item->setCountOrSubType(countOrSubType);
+
+                if(item->isValid())
+                    tile->addThing(item, stackPos++);
+            }
+        }
+
+        fin->close();
+
+        g_logger.debug(stdext::format("Otcm load time: %.2f seconds", loadTimer.elapsed_seconds()));
+        return true;
+    } catch(stdext::exception& e) {
+        g_logger.error(stdext::format("failed to load OTCM map: %s", e.what()));
+        return false;
+    }
+}
+
+void Map::saveOtcm(const std::string& fileName)
+{
+#if 0
+    try {
+        g_clock.update();
+
+        FileStreamPtr fin = g_resources.createFile(fileName);
+        fin->cache();
+
+        //TODO: compression flag with zlib
+        uint32 flags = 0;
+
+        // header
+        fin->addU32(OTCM_SIGNATURE);
+        fin->addU16(0); // data start, will be overwritten later
+        fin->addU16(OTCM_VERSION);
+        fin->addU32(flags);
+
+        // version 1 header
+        fin->addString("OTCM 1.0"); // map description
+        fin->addU32(g_things.getDatSignature());
+        fin->addU16(g_game.getClientVersion());
+        fin->addString(g_game.getWorldName());
+
+        // go back and rewrite where the map data starts
+        uint32 start = fin->tell();
+        fin->seek(4);
+        fin->addU16(start);
+        fin->seek(start);
+
+        for(auto& pair : m_tiles) {
+            const TilePtr& tile = pair.second;
+            if(!tile || tile->isEmpty())
+                continue;
+
+            Position pos = pair.first;
+            fin->addU16(pos.x);
+            fin->addU16(pos.y);
+            fin->addU8(pos.z);
+
+            const auto& list = tile->getThings();
+            auto first = std::find_if(list.begin(), list.end(), [](const ThingPtr& thing) { return thing->isItem(); });
+            for(auto it = first, end = list.end(); it != end; ++it) {
+                const ThingPtr& thing = *it;
+                if(thing->isItem()) {
+                    ItemPtr item = thing->static_self_cast<Item>();
+                    fin->addU16(item->getId());
+                    fin->addU8(item->getCountOrSubType());
+                }
+            }
+
+            // end of tile
+            fin->addU16(0xFFFF);
+        }
+
+        // end of file
+        Position invalidPos;
+        fin->addU16(invalidPos.x);
+        fin->addU16(invalidPos.y);
+        fin->addU8(invalidPos.z);
+
+        fin->flush();
+        fin->close();
+    } catch(stdext::exception& e) {
+        g_logger.error(stdext::format("failed to save OTCM map: %s", e.what()));
+    }
+#endif
+}
\ No newline at end of file
diff --git a/src/otclient/mapview.h b/src/otclient/mapview.h
index 42fdffd2..ef72231e 100644
--- a/src/otclient/mapview.h
+++ b/src/otclient/mapview.h
@@ -103,7 +103,7 @@ public:
     // get tile
     TilePtr getTile(const Point& mousePos, const Rect& mapRect);
 
-    MapViewPtr asMapView() { return self_cast<MapView>(); }
+    MapViewPtr asMapView() { return static_self_cast<MapView>(); }
 
 private:
     int calcFirstVisibleFloor();
diff --git a/src/otclient/missile.h b/src/otclient/missile.h
index de16a60c..6dc63088 100644
--- a/src/otclient/missile.h
+++ b/src/otclient/missile.h
@@ -42,7 +42,7 @@ public:
 
     uint32 getId() { return m_id; }
 
-    MissilePtr asMissile() { return self_cast<Missile>(); }
+    MissilePtr asMissile() { return static_self_cast<Missile>(); }
     bool isMissile() { return true; }
 
     const ThingTypePtr& getThingType();
diff --git a/src/otclient/player.h b/src/otclient/player.h
index c2f58952..aa68b600 100644
--- a/src/otclient/player.h
+++ b/src/otclient/player.h
@@ -32,7 +32,7 @@ public:
     Player() { }
     virtual ~Player() { }
 
-    PlayerPtr asPlayer() { return self_cast<Player>(); }
+    PlayerPtr asPlayer() { return static_self_cast<Player>(); }
     bool isPlayer() { return true; }
 };
 
diff --git a/src/otclient/position.h b/src/otclient/position.h
index 9c49c5b1..4d140829 100644
--- a/src/otclient/position.h
+++ b/src/otclient/position.h
@@ -151,6 +151,7 @@ public:
         return Otc::InvalidDirection;
     }
 
+    bool isMapPosition() const { return (x < 65535 && y < 65535 && z <= Otc::MAX_Z); }
     bool isValid() const { return !(x == 65535 && y == 65535 && z == 255); }
     float distance(const Position& pos) const { return sqrt(pow((pos.x - x), 2) + pow((pos.y - y), 2)); }
     int manhattanDistance(const Position& pos) const { return std::abs(pos.x - x) + std::abs(pos.y - y); }
diff --git a/src/otclient/protocolgameparse.cpp b/src/otclient/protocolgameparse.cpp
index 844df6be..b69517f0 100644
--- a/src/otclient/protocolgameparse.cpp
+++ b/src/otclient/protocolgameparse.cpp
@@ -499,7 +499,6 @@ void ProtocolGame::parseCreatureMove(const InputMessagePtr& msg)
         return;
     }
 
-
     int stackPos = -2;
     // newer protocols stores creatures in reverse order
     if(!g_game.getClientVersion()  >= 854)
@@ -507,6 +506,10 @@ void ProtocolGame::parseCreatureMove(const InputMessagePtr& msg)
 
     g_map.removeThing(thing);
     g_map.addThing(thing, newPos, stackPos);
+
+    //CreaturePtr creature = thing->static_self_cast<Creature>();
+    //Position oldPos = thing->getPosition();
+    //creature->onMove(newPos, oldPos);
 }
 
 void ProtocolGame::parseOpenContainer(const InputMessagePtr& msg)
diff --git a/src/otclient/statictext.h b/src/otclient/statictext.h
index 381287bb..006e9372 100644
--- a/src/otclient/statictext.h
+++ b/src/otclient/statictext.h
@@ -43,7 +43,7 @@ public:
 
     bool addMessage(const std::string& name, Otc::MessageMode mode, const std::string& text);
 
-    StaticTextPtr asStaticText() { return self_cast<StaticText>(); }
+    StaticTextPtr asStaticText() { return static_self_cast<StaticText>(); }
     bool isStaticText() { return true; }
 
 private:
diff --git a/src/otclient/thing.cpp b/src/otclient/thing.cpp
index 0bb66220..8cf233bb 100644
--- a/src/otclient/thing.cpp
+++ b/src/otclient/thing.cpp
@@ -33,6 +33,13 @@ Thing::Thing() :
 {
 }
 
+void Thing::setPosition(const Position& position)
+{
+    Position oldPos = m_position;
+    m_position = position;
+    onPositionChange(position, oldPos);
+}
+
 int Thing::getStackPriority()
 {
     if(isGround())
@@ -68,7 +75,7 @@ int Thing::getStackpos()
     if(m_position.x == 65535 && isItem()) // is inside a container
         return m_position.z;
     else if(const TilePtr& tile = getTile())
-        return tile->getThingStackpos(self_cast<Thing>());
+        return tile->getThingStackpos(static_self_cast<Thing>());
     else {
         g_logger.traceError("got a thing with invalid stackpos");
         return -1;
diff --git a/src/otclient/thing.h b/src/otclient/thing.h
index a7f7c8dc..2373e547 100644
--- a/src/otclient/thing.h
+++ b/src/otclient/thing.h
@@ -36,11 +36,10 @@ public:
     Thing();
     virtual ~Thing() { }
 
-    virtual void startAnimation() { }
     virtual void draw(const Point& dest, float scaleFactor, bool animate) { }
 
     virtual void setId(uint32 id) { }
-    void setPosition(const Position& position) { m_position = position; }
+    void setPosition(const Position& position);
 
     virtual uint32 getId() { return 0; }
     Position getPosition() { return m_position; }
@@ -119,8 +118,13 @@ public:
     bool isMarketable() { return rawGetThingType()->isMarketable(); }
     MarketData getMarketData() { return rawGetThingType()->getMarketData(); }
 
-
 protected:
+    virtual void onPositionChange(const Position& newPos, const Position& oldPos) { }
+    virtual void onAppear() { }
+    virtual void onDisappear() { }
+
+    friend class Map;
+
     Position m_position;
     uint16 m_datId;
 };
diff --git a/src/otclient/thingtype.cpp b/src/otclient/thingtype.cpp
index 568bad1d..5fe00ec8 100644
--- a/src/otclient/thingtype.cpp
+++ b/src/otclient/thingtype.cpp
@@ -39,6 +39,7 @@ ThingType::ThingType()
     m_numPatternX = m_numPatternY = m_numPatternZ = 0;
     m_animationPhases = 0;
     m_layers = 0;
+    m_elevation = 0;
 }
 
 void ThingType::unserialize(uint16 clientId, ThingCategory category, const FileStreamPtr& fin)
@@ -88,10 +89,14 @@ void ThingType::unserialize(uint16 clientId, ThingCategory category, const FileS
                 m_attribs.set(attr, market);
                 break;
             }
+            case ThingAttrElevation: {
+                m_elevation = fin->getU16();
+                m_attribs.set(attr, m_elevation);
+                break;
+            }
             case ThingAttrGround:
             case ThingAttrWritable:
             case ThingAttrWritableOnce:
-            case ThingAttrElevation:
             case ThingAttrMinimapColor:
             case ThingAttrCloth:
             case ThingAttrLensHelp:
diff --git a/src/otclient/thingtype.h b/src/otclient/thingtype.h
index 36752419..74be2afa 100644
--- a/src/otclient/thingtype.h
+++ b/src/otclient/thingtype.h
@@ -126,6 +126,7 @@ public:
     Point getDisplacement() { return m_displacement; }
     int getDisplacementX() { return getDisplacement().x; }
     int getDisplacementY() { return getDisplacement().y; }
+    int getElevation() { return m_elevation; }
 
     int getGroundSpeed() { return m_attribs.get<uint16>(ThingAttrGround); }
     int getMaxTextLength() { return m_attribs.has(ThingAttrWritableOnce) ? m_attribs.get<uint16>(ThingAttrWritableOnce) : m_attribs.get<uint16>(ThingAttrWritable); }
@@ -133,7 +134,6 @@ public:
     int getMinimapColor() { return m_attribs.get<uint16>(ThingAttrMinimapColor); }
     int getLensHelp() { return m_attribs.get<uint16>(ThingAttrLensHelp); }
     int getClothSlot() { return m_attribs.get<uint16>(ThingAttrCloth); }
-    int getElevation() { return m_attribs.get<uint16>(ThingAttrElevation); }
     MarketData getMarketData() { return m_attribs.get<MarketData>(ThingAttrMarket); }
     bool isGround() { return m_attribs.has(ThingAttrGround); }
     bool isGroundBorder() { return m_attribs.has(ThingAttrGroundBorder); }
@@ -180,7 +180,7 @@ private:
     ThingCategory m_category;
     uint16 m_id;
     bool m_null;
-    stdext::attrib_storage m_attribs;
+    stdext::dynamic_storage<uint8> m_attribs;
 
     Size m_size;
     Point m_displacement;
@@ -188,6 +188,7 @@ private:
     int m_numPatternX, m_numPatternY, m_numPatternZ;
     int m_animationPhases;
     int m_layers;
+    int m_elevation;
 
     std::vector<int> m_spritesIndex;
     std::vector<TexturePtr> m_textures;
diff --git a/src/otclient/tile.cpp b/src/otclient/tile.cpp
index b1155f93..0048eefe 100644
--- a/src/otclient/tile.cpp
+++ b/src/otclient/tile.cpp
@@ -113,7 +113,7 @@ void Tile::draw(const Point& dest, float scaleFactor, int drawFlags)
             const ThingPtr& thing = *it;
             if(!thing->isCreature())
                 continue;
-            CreaturePtr creature = thing->self_cast<Creature>();
+            CreaturePtr creature = thing->static_self_cast<Creature>();
             if(creature && (!creature->isWalking() || !animate))
                 creature->draw(dest - m_drawElevation*scaleFactor, scaleFactor, animate);
         }
@@ -158,7 +158,7 @@ void Tile::addThing(const ThingPtr& thing, int stackPos)
         return;
 
     if(thing->isEffect()) {
-        m_effects.push_back(thing->self_cast<Effect>());
+        m_effects.push_back(thing->static_self_cast<Effect>());
         return;
     }
 
@@ -205,7 +205,7 @@ bool Tile::removeThing(ThingPtr thing)
     bool removed = false;
 
     if(thing->isEffect()) {
-        EffectPtr effect = thing->self_cast<Effect>();
+        EffectPtr effect = thing->static_self_cast<Effect>();
         auto it = std::find(m_effects.begin(), m_effects.end(), effect);
         if(it != m_effects.end()) {
             m_effects.erase(it);
@@ -267,7 +267,7 @@ std::vector<ItemPtr> Tile::getItems()
     for(const ThingPtr& thing : m_things) {
         if(!thing->isItem())
             continue;
-        ItemPtr item = thing->self_cast<Item>();
+        ItemPtr item = thing->static_self_cast<Item>();
         items.push_back(item);
     }
     return items;
@@ -278,7 +278,7 @@ std::vector<CreaturePtr> Tile::getCreatures()
     std::vector<CreaturePtr> creatures;
     for(const ThingPtr& thing : m_things) {
         if(thing->isCreature())
-            creatures.push_back(thing->self_cast<Creature>());
+            creatures.push_back(thing->static_self_cast<Creature>());
     }
     return creatures;
 }
@@ -289,7 +289,7 @@ ItemPtr Tile::getGround()
     if(!firstObject)
         return nullptr;
     if(firstObject->isGround() && firstObject->isItem())
-        return firstObject->self_cast<Item>();
+        return firstObject->static_self_cast<Item>();
     return nullptr;
 }
 
@@ -348,9 +348,9 @@ CreaturePtr Tile::getTopCreature()
     for(uint i = 0; i < m_things.size(); ++i) {
         ThingPtr thing = m_things[i];
         if(thing->isLocalPlayer()) // return local player if there is no other creature
-            creature = thing->self_cast<Creature>();
+            creature = thing->static_self_cast<Creature>();
         else if(thing->isCreature() && !thing->isLocalPlayer())
-            return thing->self_cast<Creature>();
+            return thing->static_self_cast<Creature>();
     }
     if(!creature && !m_walkingCreatures.empty())
         creature = m_walkingCreatures.back();
@@ -408,7 +408,7 @@ bool Tile::isWalkable()
             return false;
 
         if(thing->isCreature()) {
-            CreaturePtr creature = thing->self_cast<Creature>();
+            CreaturePtr creature = thing->static_self_cast<Creature>();
             if(!creature->isPassable())
                 return false;
         }
diff --git a/src/otclient/tile.h b/src/otclient/tile.h
index a45f0e79..bfcbf161 100644
--- a/src/otclient/tile.h
+++ b/src/otclient/tile.h
@@ -85,7 +85,7 @@ public:
     int getDrawElevation() { return m_drawElevation; }
     std::vector<ItemPtr> getItems();
     std::vector<CreaturePtr> getCreatures();
-    const std::vector<ThingPtr>& getThings() { return m_things; }
+    std::vector<ThingPtr> getThings() { return m_things; }
     ItemPtr getGround();
     int getGroundSpeed();
     uint8 getMinimapColorByte();
@@ -109,12 +109,12 @@ public:
     void setHouseId(uint32 hid) { if(m_flags & TILESTATE_HOUSE) m_houseId = hid; }
     uint32 getHouseId() { return m_houseId; }
 
-    TilePtr asTile() { return self_cast<Tile>(); }
+    TilePtr asTile() { return static_self_cast<Tile>(); }
 
 private:
-    std::vector<CreaturePtr> m_walkingCreatures;
-    std::vector<EffectPtr> m_effects; // leave this outside m_things because it has no stackpos.
-    std::vector<ThingPtr> m_things;
+    stdext::packed_vector<CreaturePtr> m_walkingCreatures;
+    stdext::packed_vector<EffectPtr> m_effects; // leave this outside m_things because it has no stackpos.
+    stdext::packed_vector<ThingPtr> m_things;
     Position m_position;
     uint8 m_drawElevation;
     uint32 m_flags, m_houseId;