From 259418f8275371fc2f0bab6892caa4ef66b84240 Mon Sep 17 00:00:00 2001
From: Juan Linietsky <reduzio@gmail.com>
Date: Fri, 5 Aug 2016 22:46:45 -0300
Subject: [PATCH] VisualScript can now execute visual scripts, but there is no
 debugger or profiler yet.

---
 core/script_language.h                        |   2 +-
 methods.py                                    |   4 +-
 modules/gdscript/gd_editor.cpp                |  11 +-
 modules/gdscript/gd_script.h                  |   2 +-
 modules/visual_script/register_types.cpp      |   4 +-
 modules/visual_script/visual_script.cpp       | 870 +++++++++++++++++-
 modules/visual_script/visual_script.h         | 162 +++-
 .../visual_script_builtin_funcs.cpp           | 660 +++++++++++--
 .../visual_script_builtin_funcs.h             |   3 +-
 .../visual_script/visual_script_editor.cpp    |  35 +-
 .../visual_script_flow_control.cpp            | 209 ++++-
 .../visual_script_flow_control.h              |  15 +-
 .../visual_script_func_nodes.cpp              | 533 ++++++++++-
 .../visual_script/visual_script_func_nodes.h  |  19 +-
 modules/visual_script/visual_script_nodes.cpp | 762 +++++++++++++--
 modules/visual_script/visual_script_nodes.h   | 131 ++-
 scene/gui/container.cpp                       |   8 +
 scene/gui/control.cpp                         |  40 +-
 scene/gui/control.h                           |   4 +
 scene/gui/graph_edit.cpp                      |   6 +
 scene/gui/graph_node.cpp                      |  18 +
 scene/gui/graph_node.h                        |   5 +
 scene/gui/tab_container.cpp                   |   3 +
 scene/resources/style_box.cpp                 |  21 +-
 scene/resources/style_box.h                   |   4 +
 tools/editor/editor_settings.cpp              |   7 +
 tools/editor/script_create_dialog.cpp         |  16 +-
 27 files changed, 3333 insertions(+), 221 deletions(-)

diff --git a/core/script_language.h b/core/script_language.h
index 499dbe14a7d..d1f82eff062 100644
--- a/core/script_language.h
+++ b/core/script_language.h
@@ -178,7 +178,7 @@ public:
 	virtual void get_reserved_words(List<String> *p_words) const=0;
 	virtual void get_comment_delimiters(List<String> *p_delimiters) const=0;
 	virtual void get_string_delimiters(List<String> *p_delimiters) const=0;
-	virtual String get_template(const String& p_class_name, const String& p_base_class_name) const=0;
+	virtual Ref<Script> get_template(const String& p_class_name, const String& p_base_class_name) const=0;
 	virtual bool validate(const String& p_script, int &r_line_error,int &r_col_error,String& r_test_error, const String& p_path="",List<String> *r_functions=NULL) const=0;
 	virtual Script *create_script() const=0;
 	virtual bool has_named_classes() const=0;
diff --git a/methods.py b/methods.py
index 74c282b8cf6..e29fd760ba9 100755
--- a/methods.py
+++ b/methods.py
@@ -1213,7 +1213,9 @@ def detect_modules():
 	register_cpp=""
 	unregister_cpp=""
 
-	for x in glob.glob("modules/*"):
+	files = glob.glob("modules/*")
+	files.sort() #so register_module_types does not change that often, and also plugins are registered in alphabetic order
+	for x in files:
 		if (not os.path.isdir(x)):
 			continue
 		x=x.replace("modules/","") # rest of world
diff --git a/modules/gdscript/gd_editor.cpp b/modules/gdscript/gd_editor.cpp
index b02e55cf9d5..b3ab75b07c5 100644
--- a/modules/gdscript/gd_editor.cpp
+++ b/modules/gdscript/gd_editor.cpp
@@ -44,7 +44,7 @@ void GDScriptLanguage::get_string_delimiters(List<String> *p_delimiters) const {
 
 
 }
-String GDScriptLanguage::get_template(const String& p_class_name, const String& p_base_class_name) const {
+Ref<Script> GDScriptLanguage::get_template(const String& p_class_name, const String& p_base_class_name) const {
 
 	String _template = String()+
 	"\nextends %BASE%\n\n"+
@@ -58,7 +58,14 @@ String GDScriptLanguage::get_template(const String& p_class_name, const String&
 	"\n"+
 	"\n";
 
-	return _template.replace("%BASE%",p_base_class_name);
+	_template = _template.replace("%BASE%",p_base_class_name);
+
+	Ref<GDScript> script;
+	script.instance();
+	script->set_source_code(_template);
+
+	return script;
+
 }
 
 
diff --git a/modules/gdscript/gd_script.h b/modules/gdscript/gd_script.h
index 41c5c32e499..3634eb796eb 100644
--- a/modules/gdscript/gd_script.h
+++ b/modules/gdscript/gd_script.h
@@ -375,7 +375,7 @@ public:
 	virtual void get_reserved_words(List<String> *p_words) const;
 	virtual void get_comment_delimiters(List<String> *p_delimiters) const;
 	virtual void get_string_delimiters(List<String> *p_delimiters) const;
-	virtual String get_template(const String& p_class_name, const String& p_base_class_name) const;
+	virtual Ref<Script> get_template(const String& p_class_name, const String& p_base_class_name) const;
 	virtual bool validate(const String& p_script,int &r_line_error,int &r_col_error,String& r_test_error, const String& p_path="",List<String> *r_functions=NULL) const;
 	virtual Script *create_script() const;
 	virtual bool has_named_classes() const;
diff --git a/modules/visual_script/register_types.cpp b/modules/visual_script/register_types.cpp
index da767c84471..08b0280ac42 100644
--- a/modules/visual_script/register_types.cpp
+++ b/modules/visual_script/register_types.cpp
@@ -46,7 +46,8 @@ void register_visual_script_types() {
 	ObjectTypeDB::register_virtual_type<VisualScriptNode>();
 	ObjectTypeDB::register_type<VisualScriptFunction>();
 	ObjectTypeDB::register_type<VisualScriptOperator>();
-	ObjectTypeDB::register_type<VisualScriptVariable>();
+	ObjectTypeDB::register_type<VisualScriptVariableSet>();
+	ObjectTypeDB::register_type<VisualScriptVariableGet>();
 	ObjectTypeDB::register_type<VisualScriptConstant>();
 	ObjectTypeDB::register_type<VisualScriptIndexGet>();
 	ObjectTypeDB::register_type<VisualScriptIndexSet>();
@@ -56,6 +57,7 @@ void register_visual_script_types() {
 	ObjectTypeDB::register_type<VisualScriptSceneNode>();
 	ObjectTypeDB::register_type<VisualScriptSceneTree>();
 	ObjectTypeDB::register_type<VisualScriptResourcePath>();
+	ObjectTypeDB::register_type<VisualScriptSelf>();
 
 	ObjectTypeDB::register_type<VisualScriptFunctionCall>();
 	ObjectTypeDB::register_type<VisualScriptPropertySet>();
diff --git a/modules/visual_script/visual_script.cpp b/modules/visual_script/visual_script.cpp
index 6f18bcfaee9..5fc5e8a9fcd 100644
--- a/modules/visual_script/visual_script.cpp
+++ b/modules/visual_script/visual_script.cpp
@@ -1,6 +1,7 @@
 #include "visual_script.h"
 #include "visual_script_nodes.h"
 
+#define SCRIPT_VARIABLES_PREFIX "script_variables/"
 
 void VisualScriptNode::_notification(int p_what) {
 
@@ -99,12 +100,31 @@ Ref<VisualScript> VisualScriptNode::get_visual_script() const {
 
 /////////////////////
 
+VisualScriptNodeInstance::VisualScriptNodeInstance() {
+
+	sequence_outputs=NULL;
+	input_ports=NULL;
+}
+
 VisualScriptNodeInstance::~VisualScriptNodeInstance() {
 
+	if (sequence_outputs) {
+		memdelete(sequence_outputs);
+	}
+
+	if (input_ports) {
+		memdelete(input_ports);
+	}
+
+	if (output_ports) {
+		memdelete(output_ports);
+	}
+
 }
 
 void VisualScript::add_function(const StringName& p_name) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!String(p_name).is_valid_identifier());
 	ERR_FAIL_COND(functions.has(p_name));
 
@@ -118,6 +138,7 @@ bool VisualScript::has_function(const StringName& p_name) const {
 }
 void VisualScript::remove_function(const StringName& p_name) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!functions.has(p_name));
 
 	for (Map<int,Function::NodeData>::Element *E=functions[p_name].nodes.front();E;E=E->next()) {
@@ -132,6 +153,7 @@ void VisualScript::remove_function(const StringName& p_name) {
 
 void VisualScript::rename_function(const StringName& p_name,const StringName& p_new_name) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!functions.has(p_name));
 	if (p_new_name==p_name)
 		return;
@@ -231,6 +253,7 @@ void VisualScript::_node_ports_changed(int p_id) {
 
 void VisualScript::add_node(const StringName& p_func,int p_id, const Ref<VisualScriptNode>& p_node, const Point2 &p_pos) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!functions.has(p_func));
 
 
@@ -265,6 +288,7 @@ void VisualScript::add_node(const StringName& p_func,int p_id, const Ref<VisualS
 
 void VisualScript::remove_node(const StringName& p_func,int p_id){
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!functions.has(p_func));
 	Function &func = functions[p_func];
 
@@ -327,6 +351,7 @@ Ref<VisualScriptNode> VisualScript::get_node(const StringName& p_func,int p_id)
 
 void VisualScript::set_node_pos(const StringName& p_func,int p_id,const Point2& p_pos) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!functions.has(p_func));
 	Function &func = functions[p_func];
 
@@ -358,6 +383,7 @@ void VisualScript::get_node_list(const StringName& p_func,List<int> *r_nodes) co
 
 void VisualScript::sequence_connect(const StringName& p_func,int p_from_node,int p_from_output,int p_to_node){
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!functions.has(p_func));
 	Function &func = functions[p_func];
 
@@ -413,6 +439,7 @@ void VisualScript::get_sequence_connection_list(const StringName& p_func,List<Se
 
 void VisualScript::data_connect(const StringName& p_func,int p_from_node,int p_from_port,int p_to_node,int p_to_port) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!functions.has(p_func));
 	Function &func = functions[p_func];
 
@@ -484,6 +511,7 @@ void VisualScript::get_data_connection_list(const StringName& p_func,List<DataCo
 
 void VisualScript::add_variable(const StringName& p_name,const Variant& p_default_value) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!String(p_name).is_valid_identifier());
 	ERR_FAIL_COND(variables.has(p_name));
 
@@ -494,6 +522,12 @@ void VisualScript::add_variable(const StringName& p_name,const Variant& p_defaul
 	v.info.hint=PROPERTY_HINT_NONE;
 
 	variables[p_name]=v;
+	script_variable_remap[SCRIPT_VARIABLES_PREFIX+String(p_name)]=p_name;
+
+
+#ifdef TOOLS_ENABLED
+	_update_placeholders();
+#endif
 
 }
 
@@ -506,6 +540,11 @@ void VisualScript::remove_variable(const StringName& p_name) {
 
 	ERR_FAIL_COND(!variables.has(p_name));
 	variables.erase(p_name);
+	script_variable_remap.erase(SCRIPT_VARIABLES_PREFIX+String(p_name));
+
+#ifdef TOOLS_ENABLED
+	_update_placeholders();
+#endif
 }
 
 void VisualScript::set_variable_default_value(const StringName& p_name,const Variant& p_value){
@@ -514,6 +553,10 @@ void VisualScript::set_variable_default_value(const StringName& p_name,const Var
 
 	variables[p_name].default_value=p_value;
 
+#ifdef TOOLS_ENABLED
+	_update_placeholders();
+#endif
+
 }
 Variant VisualScript::get_variable_default_value(const StringName& p_name) const{
 
@@ -523,10 +566,15 @@ Variant VisualScript::get_variable_default_value(const StringName& p_name) const
 }
 void VisualScript::set_variable_info(const StringName& p_name,const PropertyInfo& p_info){
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!variables.has(p_name));
 	variables[p_name].info=p_info;
 	variables[p_name].info.name=p_name;
 
+#ifdef TOOLS_ENABLED
+	_update_placeholders();
+#endif
+
 
 }
 PropertyInfo VisualScript::get_variable_info(const StringName& p_name) const{
@@ -578,12 +626,14 @@ void VisualScript::get_variable_list(List<StringName> *r_variables){
 
 void VisualScript::set_instance_base_type(const StringName& p_type) {
 
+	ERR_FAIL_COND( instances.size() );
 	base_type=p_type;
 }
 
 
 void VisualScript::rename_variable(const StringName& p_name,const StringName& p_new_name) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!variables.has(p_name));
 	if (p_new_name==p_name)
 		return;
@@ -601,6 +651,7 @@ void VisualScript::rename_variable(const StringName& p_name,const StringName& p_
 
 void VisualScript::add_custom_signal(const StringName& p_name) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!String(p_name).is_valid_identifier());
 	ERR_FAIL_COND(custom_signals.has(p_name));
 
@@ -614,6 +665,7 @@ bool VisualScript::has_custom_signal(const StringName& p_name) const {
 }
 void VisualScript::custom_signal_add_argument(const StringName& p_func,Variant::Type p_type,const String& p_name,int p_index) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!custom_signals.has(p_func));
 	Argument arg;
 	arg.type=p_type;
@@ -626,6 +678,7 @@ void VisualScript::custom_signal_add_argument(const StringName& p_func,Variant::
 }
 void VisualScript::custom_signal_set_argument_type(const StringName& p_func,int p_argidx,Variant::Type p_type) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!custom_signals.has(p_func));
 	ERR_FAIL_INDEX(p_argidx,custom_signals[p_func].size());
 	custom_signals[p_func][p_argidx].type=p_type;
@@ -637,6 +690,7 @@ Variant::Type VisualScript::custom_signal_get_argument_type(const StringName& p_
 	return custom_signals[p_func][p_argidx].type;
 }
 void VisualScript::custom_signal_set_argument_name(const StringName& p_func,int p_argidx,const String& p_name) {
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!custom_signals.has(p_func));
 	ERR_FAIL_INDEX(p_argidx,custom_signals[p_func].size());
 	custom_signals[p_func][p_argidx].name=p_name;
@@ -651,6 +705,7 @@ String VisualScript::custom_signal_get_argument_name(const StringName& p_func,in
 }
 void VisualScript::custom_signal_remove_argument(const StringName& p_func,int p_argidx) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!custom_signals.has(p_func));
 	ERR_FAIL_INDEX(p_argidx,custom_signals[p_func].size());
 	custom_signals[p_func].remove(p_argidx);
@@ -665,6 +720,7 @@ int VisualScript::custom_signal_get_argument_count(const StringName& p_func) con
 }
 void VisualScript::custom_signal_swap_argument(const StringName& p_func,int p_argidx,int p_with_argidx) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!custom_signals.has(p_func));
 	ERR_FAIL_INDEX(p_argidx,custom_signals[p_func].size());
 	ERR_FAIL_INDEX(p_with_argidx,custom_signals[p_func].size());
@@ -674,6 +730,7 @@ void VisualScript::custom_signal_swap_argument(const StringName& p_func,int p_ar
 }
 void VisualScript::remove_custom_signal(const StringName& p_name) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!custom_signals.has(p_name));
 	custom_signals.erase(p_name);
 
@@ -681,6 +738,7 @@ void VisualScript::remove_custom_signal(const StringName& p_name) {
 
 void VisualScript::rename_custom_signal(const StringName& p_name,const StringName& p_new_name) {
 
+	ERR_FAIL_COND( instances.size() );
 	ERR_FAIL_COND(!custom_signals.has(p_name));
 	if (p_new_name==p_name)
 		return;
@@ -725,7 +783,7 @@ int VisualScript::get_available_id() const {
 
 bool VisualScript::can_instance() const {
 
-	return ScriptServer::is_scripting_enabled();
+	return true;//ScriptServer::is_scripting_enabled();
 
 }
 
@@ -735,14 +793,88 @@ StringName VisualScript::get_instance_base_type() const {
 	return base_type;
 }
 
+
+#ifdef TOOLS_ENABLED
+void VisualScript::_placeholder_erased(PlaceHolderScriptInstance *p_placeholder) {
+
+
+	placeholders.erase(p_placeholder);
+}
+
+
+void VisualScript::_update_placeholders() {
+
+	if (placeholders.size()==0)
+		return; //no bother if no placeholders
+	List<PropertyInfo> pinfo;
+	Map<StringName,Variant> values;
+
+	for (Map<StringName,Variable>::Element *E=variables.front();E;E=E->next()) {
+
+		PropertyInfo p = E->get().info;
+		p.name=SCRIPT_VARIABLES_PREFIX+String(E->key());
+		pinfo.push_back(p);
+		values[p.name]=E->get().default_value;
+	}
+
+	for (Set<PlaceHolderScriptInstance*>::Element *E=placeholders.front();E;E=E->next()) {
+
+		E->get()->update(pinfo,values);
+	}
+
+}
+
+#endif
+
+
 ScriptInstance* VisualScript::instance_create(Object *p_this) {
 
-	return NULL;
+
+
+#ifdef TOOLS_ENABLED
+
+	if (!ScriptServer::is_scripting_enabled()) {
+
+
+		PlaceHolderScriptInstance *sins = memnew( PlaceHolderScriptInstance(VisualScriptLanguage::singleton,Ref<Script>((Script*)this),p_this));
+		placeholders.insert(sins);
+
+		List<PropertyInfo> pinfo;
+		Map<StringName,Variant> values;
+
+		for (Map<StringName,Variable>::Element *E=variables.front();E;E=E->next()) {
+
+			PropertyInfo p = E->get().info;
+			p.name=SCRIPT_VARIABLES_PREFIX+String(E->key());
+			pinfo.push_back(p);
+			values[p.name]=E->get().default_value;
+		}
+
+		sins->update(pinfo,values);
+
+		return sins;
+	}
+#endif
+
+
+	VisualScriptInstance *instance=memnew(  VisualScriptInstance );
+	instance->create(Ref<VisualScript>(this),p_this);
+
+
+	if (VisualScriptLanguage::singleton->lock)
+		VisualScriptLanguage::singleton->lock->lock();
+
+	instances[p_this]=instance;
+
+	if (VisualScriptLanguage::singleton->lock)
+		VisualScriptLanguage::singleton->lock->unlock();
+
+	return instance;
 }
 
 bool VisualScript::instance_has(const Object *p_this) const {
 
-	return false;
+	return instances.has((Object*)p_this);
 }
 
 bool VisualScript::has_source_code() const {
@@ -785,17 +917,37 @@ ScriptLanguage *VisualScript::get_language() const {
 
 bool VisualScript::has_script_signal(const StringName& p_signal) const {
 
-	return false;
+	return custom_signals.has(p_signal);
 }
 
 void VisualScript::get_script_signal_list(List<MethodInfo> *r_signals) const {
 
+	for (const Map<StringName,Vector<Argument> >::Element *E=custom_signals.front();E;E=E->next()) {
+
+		MethodInfo mi;
+		mi.name=E->key();
+		for(int i=0;i<E->get().size();i++) {
+			PropertyInfo arg;
+			arg.type=E->get()[i].type;
+			arg.name=E->get()[i].name;
+			mi.arguments.push_back(arg);
+		}
+
+
+		r_signals->push_back(mi);
+	}
+
+
 }
 
 
 bool VisualScript::get_property_default_value(const StringName& p_property,Variant& r_value) const {
 
-	return false;
+	if (!script_variable_remap.has(p_property))
+		return false;
+
+	r_value=variables[ script_variable_remap[p_property] ].default_value;
+	return true;
 }
 void VisualScript::get_method_list(List<MethodInfo> *p_list) const {
 
@@ -832,8 +984,11 @@ void VisualScript::_set_data(const Dictionary& p_data) {
 	for (int i=0;i<vars.size();i++) {
 
 		Dictionary v=vars[i];
-		add_variable(v["name"],v["default_value"]);
-		_set_variable_info(v["name"],v);
+		StringName name = v["name"];
+		add_variable(name);
+		_set_variable_info(name,v);
+		set_variable_default_value(name,v["default_value"]);
+
 	}
 
 
@@ -1058,6 +1213,690 @@ VisualScript::~VisualScript() {
 ////////////////////////////////////////////
 
 
+
+bool VisualScriptInstance::set(const StringName& p_name, const Variant& p_value) {
+
+	const Map<StringName,StringName>::Element *remap = script->script_variable_remap.find(p_name);
+	if (!remap)
+		return false;
+
+	Map<StringName,Variant>::Element *E=variables.find(remap->get());
+	ERR_FAIL_COND_V(!E,false);
+
+	E->get()=p_value;
+
+	return true;
+}
+
+
+bool VisualScriptInstance::get(const StringName& p_name, Variant &r_ret) const {
+
+	const Map<StringName,StringName>::Element *remap = script->script_variable_remap.find(p_name);
+	if (!remap)
+		return false;
+
+	const Map<StringName,Variant>::Element *E=variables.find(remap->get());
+	ERR_FAIL_COND_V(!E,false);
+
+	return E->get();
+}
+void VisualScriptInstance::get_property_list(List<PropertyInfo> *p_properties) const{
+
+	for (const Map<StringName,VisualScript::Variable>::Element *E=script->variables.front();E;E=E->next()) {
+
+		PropertyInfo p = E->get().info;
+		p.name=SCRIPT_VARIABLES_PREFIX+String(E->key());
+		p_properties->push_back(p);
+
+	}
+}
+Variant::Type VisualScriptInstance::get_property_type(const StringName& p_name,bool *r_is_valid) const{
+
+	const Map<StringName,StringName>::Element *remap = script->script_variable_remap.find(p_name);
+	if (!remap) {
+		if (r_is_valid)
+			*r_is_valid=false;
+		return Variant::NIL;
+	}
+
+	const Map<StringName,VisualScript::Variable>::Element *E=script->variables.find(remap->get());
+	if (!E) {
+		if (r_is_valid)
+			*r_is_valid=false;
+		ERR_FAIL_V(Variant::NIL);
+	}
+
+	if (r_is_valid)
+		*r_is_valid=true;
+
+	return E->get().info.type;
+
+}
+
+void VisualScriptInstance::get_method_list(List<MethodInfo> *p_list) const{
+
+	for (const Map<StringName,VisualScript::Function>::Element *E=script->functions.front();E;E=E->next()) {
+
+		MethodInfo mi;
+		mi.name=E->key();
+		if (E->get().function_id>=0 && E->get().nodes.has(E->get().function_id)) {
+
+			Ref<VisualScriptFunction> vsf = E->get().nodes[E->get().function_id].node;
+			if (vsf.is_valid()) {
+
+				for(int i=0;i<vsf->get_argument_count();i++) {
+					PropertyInfo arg;
+					arg.name=vsf->get_argument_name(i);
+					arg.type=vsf->get_argument_type(i);
+
+					mi.arguments.push_back(arg);
+				}
+
+				//vsf->Get_ for now at least it does not return..
+			}
+		}
+
+		p_list->push_back(mi);
+	}
+
+}
+bool VisualScriptInstance::has_method(const StringName& p_method) const{
+
+	return script->functions.has(p_method);
+}
+
+
+//#define VSDEBUG(m_text) print_line(m_text)
+#define VSDEBUG(m_text)
+
+Variant VisualScriptInstance::call(const StringName& p_method,const Variant** p_args,int p_argcount,Variant::CallError &r_error){
+
+	r_error.error=Variant::CallError::CALL_OK; //ok by default
+
+	Map<StringName,Function>::Element *F = functions.find(p_method);
+	if (!F) {
+		r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+		return Variant();
+	}
+
+	VSDEBUG("CALLING: "+String(p_method));
+
+	Function *f=&F->get();
+
+	int total_stack_size=0;
+
+	total_stack_size+=f->max_stack*sizeof(Variant); //variants
+	total_stack_size+=f->node_count*sizeof(bool);
+	total_stack_size+=(max_input_args+max_output_args)*sizeof(Variant*); //arguments
+	total_stack_size+=f->flow_stack_size*sizeof(int); //flow
+
+	VSDEBUG("STACK SIZE: "+itos(total_stack_size));
+	VSDEBUG("STACK VARIANTS: : "+itos(f->max_stack));
+	VSDEBUG("SEQBITS: : "+itos(f->node_count));
+	VSDEBUG("MAX INPUT: "+itos(max_input_args));
+	VSDEBUG("MAX OUTPUT: "+itos(max_output_args));
+	VSDEBUG("FLOW STACK SIZE: "+itos(f->flow_stack_size));
+
+	void *stack = alloca(total_stack_size);
+
+	Variant *variant_stack=(Variant*)stack;
+	bool *sequence_bits = (bool*)(variant_stack + f->max_stack);
+	const Variant **input_args=(const Variant**)(sequence_bits+f->node_count);
+	Variant **output_args=(Variant**)(input_args + max_input_args);
+	int flow_max = f->flow_stack_size;
+	int* flow_stack = flow_max? (int*)(output_args + max_output_args) : (int*)NULL;
+
+	for(int i=0;i<f->node_count;i++) {
+		sequence_bits[i]=false; //all starts as false
+	}
+
+
+	Map<int,VisualScriptNodeInstance*>::Element *E = instances.find(f->node);
+	if (!E) {
+		r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+
+		ERR_EXPLAIN("No VisualScriptFunction node in function!");
+		ERR_FAIL_V(Variant());
+	}
+
+	VisualScriptNodeInstance *node = E->get();
+
+	int flow_stack_pos=0;
+	if (flow_stack)	{
+		flow_stack[0]=node->get_id();
+	}
+
+	VSDEBUG("ARGUMENTS: "+itos(f->argument_count)=" RECEIVED: "+itos(p_argcount));
+
+	if (p_argcount<f->argument_count) {
+		r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
+		r_error.argument=node->get_input_port_count();
+
+		return Variant();
+	}
+
+	if (p_argcount>f->argument_count) {
+		r_error.error=Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
+		r_error.argument=node->get_input_port_count();
+
+		return Variant();
+	}
+
+	//allocate variant stack
+	for(int i=0;i<f->max_stack;i++) {
+		memnew_placement(&variant_stack[i],Variant);
+	}
+
+	//allocate function arguments (must be copied for yield to work properly)
+	for(int i=0;i<p_argcount;i++) {
+		variant_stack[i]=*p_args[i];
+	}
+
+	String error_str;
+
+	bool error=false;
+	int current_node_id;
+	Variant return_value;
+
+
+	while(true) {
+
+		current_node_id=node->get_id();
+
+		VSDEBUG("==========AT NODE: "+itos(current_node_id)+" base: "+node->get_base_node()->get_type());
+		VSDEBUG("AT STACK POS: "+itos(flow_stack_pos));
+
+
+		//setup working mem
+		Variant *working_mem=node->working_mem_idx>=0 ? &variant_stack[node->working_mem_idx] : (Variant*)NULL;
+
+		VSDEBUG("WORKING MEM: "+itos(node->working_mem_idx));
+
+		if (current_node_id==f->node) {
+			//if function node, set up function arguments from begining of stack
+
+			for(int i=0;i<f->argument_count;i++) {
+				input_args[i]=&variant_stack[i];
+			}
+		} else {
+			//setup input pointers normally
+			VSDEBUG("INPUT PORTS: "+itos(node->input_port_count));
+
+			for(int i=0 ; i<node->input_port_count ; i++) {
+
+
+				int index = node->input_ports[i] & VisualScriptNodeInstance::INPUT_MASK;
+
+				if (node->input_ports[i] & VisualScriptNodeInstance::INPUT_DEFAULT_VALUE_BIT) {
+					//is a default value (unassigned input port)
+					input_args[i]=&default_values[index];
+					VSDEBUG("\tPORT "+itos(i)+" DEFAULT VAL");
+				} else if (node->input_ports[i] & VisualScriptNodeInstance::INPUT_UNSEQUENCED_READ_BIT) {
+					//from a node that requires read
+					Function::UnsequencedGet *ug = &f->unsequenced_gets[index];
+
+					bool ok = ug->from->get_output_port_unsequenced(i,&variant_stack[ug->to_stack],working_mem,error_str);
+					if (!ok) {
+						r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+						current_node_id=ug->from->get_id();
+						error=true;
+						break;
+					}
+
+					VSDEBUG("\tPORT "+itos(i)+" UNSEQ READ TO STACK: " + itos(ug->to_stack));
+					input_args[i]=&variant_stack[ug->to_stack];
+				} else {
+					//regular temporary in stack
+					input_args[i]=&variant_stack[index];
+					VSDEBUG("PORT "+itos(i)+" AT STACK "+itos(index));
+
+				}
+			}
+		}
+
+		if (error)
+			break;
+
+		//setup output pointers
+
+		VSDEBUG("OUTPUT PORTS: "+itos(node->output_port_count));
+		for(int i=0 ; i<node->output_port_count ; i++) {
+			output_args[i] = &variant_stack[ node->output_ports[i] ];
+			VSDEBUG("PORT "+itos(i)+" AT STACK "+itos(node->output_ports[i]));
+		}
+
+		//do step
+
+		bool start_sequence = flow_stack && !(flow_stack[flow_stack_pos] & VisualScriptNodeInstance::FLOW_STACK_PUSHED_BIT); //if there is a push bit, it means we are continuing a sequence
+
+		VSDEBUG("STEP - STARTSEQ: "+itos(start_sequence));
+
+		int ret = node->step(input_args,output_args,start_sequence,working_mem,r_error,error_str);
+
+		if (r_error.error!=Variant::CallError::CALL_OK) {
+			//use error from step
+			error=true;
+			break;
+		}
+
+		int output = ret & VisualScriptNodeInstance::STEP_MASK;
+
+		VSDEBUG("STEP RETURN: "+itos(ret));
+
+		if (ret & VisualScriptNodeInstance::STEP_EXIT_FUNCTION_BIT) {
+			if (node->get_working_memory_size()==0) {
+
+				r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+				error_str=RTR("Return value must be assigned to first element of node working memory! Fix your node please.");
+				error=true;
+			} else {
+				//assign from working memory, first element
+				return_value=*working_mem;
+			}
+
+			VSDEBUG("EXITING FUNCTION - VALUE "+String(return_value));
+			break; //exit function requested, bye
+		}
+
+		VisualScriptNodeInstance *next=NULL; //next node
+
+		if ( (ret==output || ret&VisualScriptNodeInstance::STEP_FLAG_PUSH_STACK_BIT) && node->sequence_output_count) {
+			//if no exit bit was set, and has sequence outputs, guess next node
+			if (output<0 || output>=node->sequence_output_count) {
+				r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+				error_str=RTR("Node returned an invalid sequence output: ")+itos(output);
+				error=true;
+				break;
+			}
+
+			next = node->sequence_outputs[output];
+			if (next)
+				VSDEBUG("GOT NEXT NODE - "+itos(next->get_id()));
+			else
+				VSDEBUG("GOT NEXT NODE - NULL");
+		}
+
+		if (flow_stack) {
+
+			//update flow stack pos (may have changed)
+			flow_stack[flow_stack_pos] = current_node_id;
+
+			//add stack push bit if requested
+			if (ret & VisualScriptNodeInstance::STEP_FLAG_PUSH_STACK_BIT) {
+
+				flow_stack[flow_stack_pos] |= VisualScriptNodeInstance::FLOW_STACK_PUSHED_BIT;
+				sequence_bits[ node ->sequence_index ]=true; //remember sequence bit
+				VSDEBUG("NEXT SEQ - FLAG BIT");
+			} else {
+				sequence_bits[ node ->sequence_index ]=false; //forget sequence bit
+				VSDEBUG("NEXT SEQ - NORMAL");
+			}
+
+
+			if (ret & VisualScriptNodeInstance::STEP_FLAG_GO_BACK_BIT) {
+				//go back request
+
+				if (flow_stack_pos>0) {
+					flow_stack_pos--;
+					node = instances[ flow_stack[flow_stack_pos] & VisualScriptNodeInstance::FLOW_STACK_MASK ];
+					VSDEBUG("NEXT IS GO BACK");
+				} else {
+					VSDEBUG("NEXT IS GO BACK, BUT NO NEXT SO EXIT");
+					break; //simply exit without value or error
+				}
+			} else if (next) {
+
+
+				if (sequence_bits[next->sequence_index]) {
+					// what happened here is that we are entering a node that is in the middle of doing a sequence (pushed stack) from the front
+					// because each node has a working memory, we can't really do a sub-sequence
+					// as a result, the sequence will be restarted and the stack will roll back to find where this node
+					// started the sequence
+
+					bool found = false;
+
+					for(int i=flow_stack_pos;i>=0;i--) {
+
+
+						if ( (flow_stack[i] & VisualScriptNodeInstance::FLOW_STACK_MASK ) == next->get_id() ) {
+							flow_stack_pos=i; //roll back and remove bit
+							flow_stack[i]=next->get_id();
+							sequence_bits[next->sequence_index]=false;
+							found=true;
+						}
+					}
+
+					if (!found) {
+						r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+						error_str=RTR("Found sequence bit but not the node in the stack, report bug!");
+						error=true;
+						break;
+					}
+
+					VSDEBUG("RE-ENTERED A LOOP, RETURNED STACK POS TO - "+itos(flow_stack_pos));
+
+				} else {
+					// check for stack overflow
+					if (flow_stack_pos+1 >= flow_max) {
+						r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+						error_str=RTR("Stack overflow with stack depth: ")+itos(output);
+						error=true;
+						break;
+					}
+
+					node = next;
+
+					flow_stack_pos++;
+					flow_stack[flow_stack_pos]=node->get_id();
+
+					VSDEBUG("INCREASE FLOW STACK");
+
+				}
+
+			} else {
+				//no next node, try to go back in stack to pushed bit
+
+				bool found = false;
+
+				for(int i=flow_stack_pos;i>=0;i--) {
+
+					VSDEBUG("FS "+itos(i)+" - "+itos(flow_stack[i]));
+					if (flow_stack[i] & VisualScriptNodeInstance::FLOW_STACK_PUSHED_BIT) {
+
+						node = instances[ flow_stack[i] & VisualScriptNodeInstance::FLOW_STACK_MASK ];
+						flow_stack_pos=i;
+						found=true;
+					}
+				}
+
+				if (!found) {
+					VSDEBUG("NO NEXT NODE, NO GO BACK, EXITING");
+					break; //done, couldn't find a push stack bit
+				}
+
+				VSDEBUG("NO NEXT NODE, GO BACK TO: "+itos(flow_stack_pos));
+
+			}
+		} else {
+
+			node=next; //stackless mode, simply assign next node
+		}
+
+	}
+
+
+
+	if (error) {
+
+		//error
+		// function, file, line, error, explanation
+		String err_file = script->get_path();
+		String err_func = p_method;
+		int err_line=current_node_id; //not a line but it works as one
+
+
+		//if (!GDScriptLanguage::get_singleton()->debug_break(err_text,false)) {
+			// debugger break did not happen
+
+		VSDEBUG("ERRSTR: "+error_str);
+		_err_print_error(err_func.utf8().get_data(),err_file.utf8().get_data(),err_line,error_str.utf8().get_data(),ERR_HANDLER_SCRIPT);
+
+		//}
+	} else {
+
+
+		//return_value=
+	}
+
+
+	//clean up variant stack
+	for(int i=0;i<f->max_stack;i++) {
+		variant_stack[i].~Variant();
+	}
+
+
+	return return_value;
+}
+
+void VisualScriptInstance::notification(int p_notification){
+
+	//do nothing as this is called using virtual
+
+	Variant what=p_notification;
+	const Variant*whatp=&what;
+	Variant::CallError ce;
+	call(VisualScriptLanguage::singleton->notification,&whatp,1,ce); //do as call
+
+}
+
+Ref<Script> VisualScriptInstance::get_script() const{
+
+	return script;
+}
+
+
+void VisualScriptInstance::create(const Ref<VisualScript>& p_script,Object *p_owner) {
+
+	script=p_script;
+	owner=p_owner;
+
+	max_input_args = 0;
+	max_output_args = 0;
+
+	for(const Map<StringName,VisualScript::Variable>::Element *E=script->variables.front();E;E=E->next()) {
+		variables[E->key()]=E->get().default_value;
+	}
+
+
+	for(const Map<StringName,VisualScript::Function>::Element *E=script->functions.front();E;E=E->next()) {
+
+		Function function;
+		function.node=E->get().function_id;
+		function.max_stack=0;
+		function.flow_stack_size=0;
+		function.node_count=0;
+
+		if (function.node<0) {
+			//@todo break debugger
+
+			ERR_CONTINUE( function.node < 0 );
+		}
+
+		{
+			Ref<VisualScriptFunction> func_node = script->get_node(E->key(),E->get().function_id);
+
+			//@todo break debugger
+			ERR_CONTINUE( !func_node.is_valid() );
+
+			function.argument_count=func_node->get_argument_count();
+			function.max_stack+=function.argument_count;
+			function.flow_stack_size= func_node->is_stack_less() ? 0 : func_node->get_stack_size();
+
+		}
+
+		//multiple passes are required to set up this complex thing..
+
+
+
+
+		//first create the nodes
+		for (const Map<int,VisualScript::Function::NodeData>::Element *F=E->get().nodes.front();F;F=F->next()) {
+
+			Ref<VisualScriptNode> node = F->get().node;
+			VisualScriptNodeInstance *instance = node->instance(this); //create instance
+			ERR_FAIL_COND(!instance);
+
+			instance->base=node.ptr();
+
+			instance->id=F->key();
+			instance->input_port_count = node->get_input_value_port_count();
+			instance->output_port_count = node->get_output_value_port_count();
+			instance->sequence_output_count = node->get_output_sequence_port_count();
+			instance->sequence_index=function.node_count++;
+
+			if (instance->input_port_count) {
+				instance->input_ports = memnew_arr(int,instance->input_port_count);
+				for(int i=0;i<instance->input_port_count;i++) {
+					instance->input_ports[i]=-1; //if not assigned, will become default value
+				}
+			}
+
+			if (instance->output_port_count) {
+				instance->output_ports = memnew_arr(int,instance->output_port_count);
+				for(int i=0;i<instance->output_port_count;i++) {
+					instance->output_ports[i]=-1; //if not assigned, will output to trash
+				}
+			}
+
+			if (instance->sequence_output_count) {
+				instance->sequence_outputs = memnew_arr(VisualScriptNodeInstance*,instance->sequence_output_count);
+				for(int i=0;i<instance->sequence_output_count;i++) {
+					instance->sequence_outputs[i]=NULL; //if it remains null, flow ends here
+				}
+			}
+
+			if (instance->get_working_memory_size()) {
+				instance->working_mem_idx = function.max_stack;
+				function.max_stack+=instance->get_working_memory_size();
+			} else {
+				instance->working_mem_idx=-1; //no working mem
+			}
+
+			max_input_args = MAX( max_input_args, instance->input_port_count );
+			max_output_args = MAX( max_output_args, instance->output_port_count );
+
+			instances[F->key()]=instance;
+
+
+		}
+
+		function.trash_pos = function.max_stack++; //create pos for trash
+
+		//second pass, do data connections
+
+		for(const Set<VisualScript::DataConnection>::Element *F=E->get().data_connections.front();F;F=F->next()) {
+
+			VisualScript::DataConnection dc = F->get();
+			ERR_CONTINUE(!instances.has(dc.from_node));
+			VisualScriptNodeInstance *from = instances[dc.from_node];
+			ERR_CONTINUE(!instances.has(dc.to_node));
+			VisualScriptNodeInstance *to = instances[dc.to_node];
+			ERR_CONTINUE(dc.from_port >= from->output_port_count);
+			ERR_CONTINUE(dc.to_port >= to->input_port_count);
+
+			if (from->output_ports[dc.from_port]==-1) {
+
+				int stack_pos = function.max_stack++;
+				from->output_ports[dc.from_port] = stack_pos;
+			}
+
+
+			if (from->is_output_port_unsequenced(dc.from_node)) {
+
+				//prepare an unsequenced read (must actually get the value from the output)
+				int stack_pos = function.max_stack++;
+
+				Function::UnsequencedGet uget;
+				uget.from=from;
+				uget.from_port=dc.from_port;
+				uget.to_stack=stack_pos;
+
+				to->input_ports[dc.to_port] = function.unsequenced_gets.size() | VisualScriptNodeInstance::INPUT_UNSEQUENCED_READ_BIT;
+				function.unsequenced_gets.push_back(uget);
+
+			} else {
+
+				to->input_ports[dc.to_port] = from->output_ports[dc.from_port]; //read from wherever the stack is
+			}
+
+		}
+
+		//third pass, do sequence connections
+
+		for(const Set<VisualScript::SequenceConnection>::Element *F=E->get().sequence_connections.front();F;F=F->next()) {
+
+			VisualScript::SequenceConnection sc = F->get();
+			ERR_CONTINUE(!instances.has(sc.from_node));
+			VisualScriptNodeInstance *from = instances[sc.from_node];
+			ERR_CONTINUE(!instances.has(sc.to_node));
+			VisualScriptNodeInstance *to = instances[sc.to_node];
+			ERR_CONTINUE(sc.from_output >= from->sequence_output_count);
+
+			from->sequence_outputs[sc.from_output]=to;
+
+		}
+
+		//fourth pass:
+		// 1) unassigned input ports to default values
+		// 2) connect unassigned output ports to trash
+
+
+		for (const Map<int,VisualScript::Function::NodeData>::Element *F=E->get().nodes.front();F;F=F->next()) {
+
+			ERR_CONTINUE(!instances.has(F->key()));
+
+			Ref<VisualScriptNode> node = F->get().node;
+			VisualScriptNodeInstance *instance = instances[F->key()];
+
+			// conect to default values
+			for(int i=0;i<instance->input_port_count;i++) {
+				if (instance->input_ports[i]==-1) {
+
+					//unassigned, connect to default val
+					instance->input_ports[i] = default_values.size() | VisualScriptNodeInstance::INPUT_DEFAULT_VALUE_BIT;
+					default_values.push_back( node->get_default_input_value(i) );
+				}
+			}
+
+			// conect to trash
+			for(int i=0;i<instance->output_port_count;i++) {
+				if (instance->output_ports[i]==-1) {
+					instance->output_ports[i] = function.trash_pos; //trash is same for all
+				}
+			}
+		}
+
+
+		functions[E->key()]=function;
+	}
+}
+
+ScriptLanguage *VisualScriptInstance::get_language(){
+
+	return VisualScriptLanguage::singleton;
+}
+
+
+VisualScriptInstance::VisualScriptInstance() {
+
+
+}
+
+VisualScriptInstance::~VisualScriptInstance() {
+
+	if (VisualScriptLanguage::singleton->lock)
+		VisualScriptLanguage::singleton->lock->lock();
+
+	script->instances.erase(owner);
+
+	if (VisualScriptLanguage::singleton->lock)
+		VisualScriptLanguage::singleton->lock->unlock();
+
+	for (Map<int,VisualScriptNodeInstance*>::Element *E=instances.front();E;E=E->next()) {
+		memdelete(E->get());
+	}
+}
+
+
+
+
+
+
+
+
+
+///////////////////////////////////////////////
+
 String VisualScriptLanguage::get_name() const {
 
 	return "VisualScript";
@@ -1098,9 +1937,12 @@ void VisualScriptLanguage::get_string_delimiters(List<String> *p_delimiters) con
 
 
 }
-String VisualScriptLanguage::get_template(const String& p_class_name, const String& p_base_class_name) const {
+Ref<Script> VisualScriptLanguage::get_template(const String& p_class_name, const String& p_base_class_name) const {
 
-	return String();
+	Ref<VisualScript> script;
+	script.instance();
+	script->set_instance_base_type(p_base_class_name);
+	return script;
 }
 bool VisualScriptLanguage::validate(const String& p_script, int &r_line_error,int &r_col_error,String& r_test_error, const String& p_path,List<String> *r_functions) const {
 
@@ -1243,5 +2085,15 @@ void VisualScriptLanguage::get_registered_node_names(List<String> *r_names) {
 
 VisualScriptLanguage::VisualScriptLanguage() {
 
+	notification="_notification";
 	singleton=this;
+#ifndef NO_THREADS
+	lock = Mutex::create();
+#endif
+}
+
+VisualScriptLanguage::~VisualScriptLanguage() {
+
+	if (lock)
+		memdelete(lock);
 }
diff --git a/modules/visual_script/visual_script.h b/modules/visual_script/visual_script.h
index 26daddbba68..c6066046493 100644
--- a/modules/visual_script/visual_script.h
+++ b/modules/visual_script/visual_script.h
@@ -4,7 +4,7 @@
 #include "script_language.h"
 
 
-class VScriptInstance;
+class VisualScriptInstance;
 class VisualScriptNodeInstance;
 class VisualScript;
 
@@ -45,22 +45,69 @@ public:
 
 	virtual String get_caption() const=0;
 	virtual String get_text() const=0;
+	virtual String get_category() const=0;
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance)=0;
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance)=0;
 
 };
 
 
 class VisualScriptNodeInstance {
+friend class VisualScriptInstance;
+
+
+
+	enum { //input argument addressing
+		INPUT_SHIFT=1<<24,
+		INPUT_MASK=INPUT_SHIFT-1,
+		INPUT_DEFAULT_VALUE_BIT=INPUT_SHIFT, // from unassigned input port, using default value (edited by user)
+		INPUT_UNSEQUENCED_READ_BIT=INPUT_SHIFT<<1, //from unsequenced read (requires calling a function, used for constants, variales, etc).
+	};
+
+
+	int id;
+	int sequence_index;
+	VisualScriptNodeInstance **sequence_outputs;
+	int sequence_output_count;
+	int *input_ports;
+	int input_port_count;
+	int *output_ports;
+	int output_port_count;
+	int working_mem_idx;
+
+	VisualScriptNode *base;
+
 public:
 
-	virtual int step()=0; //do a step, return which sequence port to go out
+	enum {
+		STEP_SHIFT=1<<24,
+		STEP_MASK=STEP_SHIFT-1,
+		STEP_FLAG_PUSH_STACK_BIT=STEP_SHIFT, //push bit to stack
+		STEP_FLAG_GO_BACK_BIT=STEP_SHIFT<<1, //go back to previous node
+		STEP_EXIT_FUNCTION_BIT=STEP_SHIFT<<2, //return from function
 
-	virtual Variant get_input_value(int p_idx)=0;
-	virtual Variant get_output_value(int p_idx)=0;
+		FLOW_STACK_PUSHED_BIT=1<<30, //in flow stack, means bit was pushed (must go back here if end of sequence)
+		FLOW_STACK_MASK=FLOW_STACK_PUSHED_BIT-1
 
-	virtual VisualScriptNode* get_node()=0;
+	};
 
+	_FORCE_INLINE_ int  get_input_port_count() const { return input_port_count; }
+	_FORCE_INLINE_ int  get_output_port_count() const { return output_port_count; }
+	_FORCE_INLINE_ int  get_sequence_output_count() const { return sequence_output_count; }
+
+	_FORCE_INLINE_ int  get_id() const { return id; }
+
+	virtual int get_working_memory_size() const { return 0; }
+
+	//unsequenced ports are those that can return a value even if no sequence happened through them, used for constants, variables, etc.
+	virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
+	virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str)=0; //do a step, return which sequence port to go out
+
+	Ref<VisualScriptNode> get_base_node() { return Ref<VisualScriptNode>( base ); }
+
+	VisualScriptNodeInstance();
 	virtual ~VisualScriptNodeInstance();
 };
 
@@ -112,6 +159,7 @@ public:
 
 
 private:
+friend class VisualScriptInstance;
 
 	StringName base_type;
 	struct Argument {
@@ -133,6 +181,7 @@ private:
 
 		int function_id;
 
+
 		Function() { function_id=-1; }
 
 	};
@@ -146,8 +195,18 @@ private:
 
 	Map<StringName,Function> functions;
 	Map<StringName,Variable> variables;
+	Map<StringName,StringName> script_variable_remap;
 	Map<StringName,Vector<Argument> > custom_signals;
 
+	Map<Object*,VisualScriptInstance*> instances;
+
+#ifdef TOOLS_ENABLED
+	Set<PlaceHolderScriptInstance*> placeholders;
+	//void _update_placeholder(PlaceHolderScriptInstance *p_placeholder);
+	virtual void _placeholder_erased(PlaceHolderScriptInstance *p_placeholder);
+	void _update_placeholders();
+#endif
+
 	void _set_variable_info(const StringName& p_name,const Dictionary& p_info);
 	Dictionary _get_variable_info(const StringName& p_name) const;
 
@@ -248,15 +307,103 @@ public:
 };
 
 
+class VisualScriptInstance : public ScriptInstance {
+
+	Object *owner;
+	Ref<VisualScript> script;
+
+	Map<StringName,Variant> variables; //using variable path, not script
+	Map<int,VisualScriptNodeInstance*> instances;
+
+	struct Function {
+		int node;
+		int max_stack;
+		int trash_pos;
+		int return_pos;
+		int flow_stack_size;
+		int node_count;
+		int argument_count;
+		bool valid;
+
+		struct UnsequencedGet {
+			VisualScriptNodeInstance* from;
+			int from_port;
+			int to_stack;
+		};
+
+		Vector<UnsequencedGet> unsequenced_gets;
+
+	};
+
+	Map<StringName,Function> functions;
+
+	Vector<Variant> default_values;
+	int max_input_args,max_output_args;
+
+
+	//Map<StringName,Function> functions;
+
+public:
+	virtual bool set(const StringName& p_name, const Variant& p_value);
+	virtual bool get(const StringName& p_name, Variant &r_ret) const;
+	virtual void get_property_list(List<PropertyInfo> *p_properties) const;
+	virtual Variant::Type get_property_type(const StringName& p_name,bool *r_is_valid=NULL) const;
+
+	virtual void get_method_list(List<MethodInfo> *p_list) const;
+	virtual bool has_method(const StringName& p_method) const;
+	virtual Variant call(const StringName& p_method,const Variant** p_args,int p_argcount,Variant::CallError &r_error);
+	virtual void notification(int p_notification);
+
+	bool set_variable(const StringName& p_variable,const Variant& p_value) {
+
+		Map<StringName,Variant>::Element *E=variables.find(p_variable);
+		if (!E)
+			return false;
+
+		E->get()=p_value;
+		return true;
+	}
+
+	bool get_variable(const StringName& p_variable,Variant* r_variable) const {
+
+		const Map<StringName,Variant>::Element *E=variables.find(p_variable);
+		if (!E)
+			return false;
+
+		*r_variable=E->get();
+		return true;
+
+	}
+
+	virtual Ref<Script> get_script() const;
+
+	_FORCE_INLINE_ VisualScript *get_script_ptr() { return script.ptr(); }
+	_FORCE_INLINE_ Object *get_owner_ptr() { return owner; }
+
+	void create(const Ref<VisualScript>& p_script,Object *p_owner);
+
+	virtual ScriptLanguage *get_language();
+
+	VisualScriptInstance();
+	~VisualScriptInstance();
+};
+
+
+
 typedef Ref<VisualScriptNode> (*VisualScriptNodeRegisterFunc)(const String& p_type);
 
 class VisualScriptLanguage : public ScriptLanguage {
 
 	Map<String,VisualScriptNodeRegisterFunc> register_funcs;
+
+
 public:
+	StringName notification;
 
 	static VisualScriptLanguage* singleton;
 
+	Mutex *lock;
+
 	virtual String get_name() const;
 
 	/* LANGUAGE FUNCTIONS */
@@ -270,7 +417,7 @@ public:
 	virtual void get_reserved_words(List<String> *p_words) const;
 	virtual void get_comment_delimiters(List<String> *p_delimiters) const;
 	virtual void get_string_delimiters(List<String> *p_delimiters) const;
-	virtual String get_template(const String& p_class_name, const String& p_base_class_name) const;
+	virtual Ref<Script> get_template(const String& p_class_name, const String& p_base_class_name) const;
 	virtual bool validate(const String& p_script, int &r_line_error,int &r_col_error,String& r_test_error, const String& p_path="",List<String> *r_functions=NULL) const;
 	virtual Script *create_script() const;
 	virtual bool has_named_classes() const;
@@ -313,6 +460,7 @@ public:
 
 
 	VisualScriptLanguage();
+	~VisualScriptLanguage();
 
 };
 
diff --git a/modules/visual_script/visual_script_builtin_funcs.cpp b/modules/visual_script/visual_script_builtin_funcs.cpp
index 58edafd9639..247cbeb2c91 100644
--- a/modules/visual_script/visual_script_builtin_funcs.cpp
+++ b/modules/visual_script/visual_script_builtin_funcs.cpp
@@ -1,5 +1,11 @@
 #include "visual_script_builtin_funcs.h"
-
+#include "math_funcs.h"
+#include "object_type_db.h"
+#include "reference.h"
+#include "func_ref.h"
+#include "os/os.h"
+#include "variant_parser.h"
+#include "io/marshalls.h"
 
 const char* VisualScriptBuiltinFunc::func_name[VisualScriptBuiltinFunc::FUNC_MAX]={
 	"sin",
@@ -538,12 +544,550 @@ VisualScriptBuiltinFunc::BuiltinFunc VisualScriptBuiltinFunc::get_func() {
 }
 
 
+#define VALIDATE_ARG_NUM(m_arg) \
+	if (!p_inputs[m_arg]->is_num()) {\
+		r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;\
+		r_error.argument=m_arg;\
+		r_error.expected=Variant::REAL;\
+		return 0;\
+	}
 
-VisualScriptNodeInstance* VisualScriptBuiltinFunc::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceBuiltinFunc : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+	VisualScriptBuiltinFunc *node;
+	VisualScriptInstance *instance;
+
+	VisualScriptBuiltinFunc::BuiltinFunc func;
+
+
+	//virtual int get_working_memory_size() const { return 0; }
+	//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
+	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		switch(func) {
+			case VisualScriptBuiltinFunc::MATH_SIN: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::sin(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_COS: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::cos(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_TAN: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::tan(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_SINH: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::sinh(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_COSH: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::cosh(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_TANH: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::tanh(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_ASIN: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::asin(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_ACOS: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::acos(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_ATAN: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::atan(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_ATAN2: {
+
+				VALIDATE_ARG_NUM(0);
+				VALIDATE_ARG_NUM(1);
+				*p_outputs[0]=Math::atan2(*p_inputs[0],*p_inputs[1]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_SQRT: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::sqrt(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_FMOD: {
+
+				VALIDATE_ARG_NUM(0);
+				VALIDATE_ARG_NUM(1);
+				*p_outputs[0]=Math::fmod(*p_inputs[0],*p_inputs[1]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_FPOSMOD: {
+
+				VALIDATE_ARG_NUM(0);
+				VALIDATE_ARG_NUM(1);
+				*p_outputs[0]=Math::fposmod(*p_inputs[0],*p_inputs[1]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_FLOOR: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::floor(*p_inputs[0]);
+			  } break;
+			case VisualScriptBuiltinFunc::MATH_CEIL: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::ceil(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_ROUND: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::round(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_ABS: {
+
+				if (p_inputs[0]->get_type()==Variant::INT) {
+
+					int64_t i = *p_inputs[0];
+					*p_outputs[0]=ABS(i);
+				} else if (p_inputs[0]->get_type()==Variant::REAL) {
+
+					real_t r = *p_inputs[0];
+					*p_outputs[0]=Math::abs(r);
+				} else {
+
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+					r_error.argument=0;
+					r_error.expected=Variant::REAL;
+
+				}
+			} break;
+			case VisualScriptBuiltinFunc::MATH_SIGN: {
+
+					if (p_inputs[0]->get_type()==Variant::INT) {
+
+						int64_t i = *p_inputs[0];
+						*p_outputs[0]= i < 0 ? -1 : ( i > 0 ? +1 : 0);
+					} else if (p_inputs[0]->get_type()==Variant::REAL) {
+
+						real_t r = *p_inputs[0];
+						*p_outputs[0]= r < 0.0 ? -1.0 : ( r > 0.0 ? +1.0 : 0.0);
+					} else {
+
+						r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+						r_error.argument=0;
+						r_error.expected=Variant::REAL;
+
+					}
+			} break;
+			case VisualScriptBuiltinFunc::MATH_POW: {
+
+				VALIDATE_ARG_NUM(0);
+				VALIDATE_ARG_NUM(1);
+				*p_outputs[0]=Math::pow(*p_inputs[0],*p_inputs[1]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_LOG: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::log(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_EXP: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::exp(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_ISNAN: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::is_nan(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_ISINF: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::is_inf(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_EASE: {
+
+				VALIDATE_ARG_NUM(0);
+				VALIDATE_ARG_NUM(1);
+				*p_outputs[0]=Math::ease(*p_inputs[0],*p_inputs[1]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_DECIMALS: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::step_decimals(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_STEPIFY: {
+
+				VALIDATE_ARG_NUM(0);
+				VALIDATE_ARG_NUM(1);
+				*p_outputs[0]=Math::stepify(*p_inputs[0],*p_inputs[1]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_LERP: {
+
+				VALIDATE_ARG_NUM(0);
+				VALIDATE_ARG_NUM(1);
+				VALIDATE_ARG_NUM(2);
+				*p_outputs[0]=Math::lerp(*p_inputs[0],*p_inputs[1],*p_inputs[2]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_DECTIME: {
+
+				VALIDATE_ARG_NUM(0);
+				VALIDATE_ARG_NUM(1);
+				VALIDATE_ARG_NUM(2);
+				*p_outputs[0]=Math::dectime(*p_inputs[0],*p_inputs[1],*p_inputs[2]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_RANDOMIZE: {
+				Math::randomize();
+
+			} break;
+			case VisualScriptBuiltinFunc::MATH_RAND: {
+				*p_outputs[0]=Math::rand();
+			} break;
+			case VisualScriptBuiltinFunc::MATH_RANDF: {
+				*p_outputs[0]=Math::randf();
+			} break;
+			case VisualScriptBuiltinFunc::MATH_RANDOM: {
+
+				VALIDATE_ARG_NUM(0);
+				VALIDATE_ARG_NUM(1);
+				*p_outputs[0]=Math::random(*p_inputs[0],*p_inputs[1]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_SEED: {
+
+				VALIDATE_ARG_NUM(0);
+				uint32_t seed=*p_inputs[0];
+				Math::seed(seed);
+
+			} break;
+			case VisualScriptBuiltinFunc::MATH_RANDSEED: {
+
+				VALIDATE_ARG_NUM(0);
+				uint32_t seed=*p_inputs[0];
+				int ret = Math::rand_from_seed(&seed);
+				Array reta;
+				reta.push_back(ret);
+				reta.push_back(seed);
+				*p_outputs[0]=reta;
+
+			} break;
+			case VisualScriptBuiltinFunc::MATH_DEG2RAD: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::deg2rad(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_RAD2DEG: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::rad2deg(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_LINEAR2DB: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::linear2db(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::MATH_DB2LINEAR: {
+
+				VALIDATE_ARG_NUM(0);
+				*p_outputs[0]=Math::db2linear(*p_inputs[0]);
+			} break;
+			case VisualScriptBuiltinFunc::LOGIC_MAX: {
+
+				if (p_inputs[0]->get_type()==Variant::INT && p_inputs[1]->get_type()==Variant::INT) {
+
+					int64_t a = *p_inputs[0];
+					int64_t b = *p_inputs[1];
+					*p_outputs[0]=MAX(a,b);
+				} else {
+					VALIDATE_ARG_NUM(0);
+					VALIDATE_ARG_NUM(1);
+
+					real_t a = *p_inputs[0];
+					real_t b = *p_inputs[1];
+
+					*p_outputs[0]=MAX(a,b);
+				}
+
+			} break;
+			case VisualScriptBuiltinFunc::LOGIC_MIN: {
+
+				if (p_inputs[0]->get_type()==Variant::INT && p_inputs[1]->get_type()==Variant::INT) {
+
+					int64_t a = *p_inputs[0];
+					int64_t b = *p_inputs[1];
+					*p_outputs[0]=MIN(a,b);
+				} else {
+					VALIDATE_ARG_NUM(0);
+					VALIDATE_ARG_NUM(1);
+
+					real_t a = *p_inputs[0];
+					real_t b = *p_inputs[1];
+
+					*p_outputs[0]=MIN(a,b);
+				}
+			} break;
+			case VisualScriptBuiltinFunc::LOGIC_CLAMP: {
+
+				if (p_inputs[0]->get_type()==Variant::INT && p_inputs[1]->get_type()==Variant::INT && p_inputs[2]->get_type()==Variant::INT) {
+
+					int64_t a = *p_inputs[0];
+					int64_t b = *p_inputs[1];
+					int64_t c = *p_inputs[2];
+					*p_outputs[0]=CLAMP(a,b,c);
+				} else {
+					VALIDATE_ARG_NUM(0);
+					VALIDATE_ARG_NUM(1);
+					VALIDATE_ARG_NUM(2);
+
+					real_t a = *p_inputs[0];
+					real_t b = *p_inputs[1];
+					real_t c = *p_inputs[2];
+
+					*p_outputs[0]=CLAMP(a,b,c);
+				}
+			} break;
+			case VisualScriptBuiltinFunc::LOGIC_NEAREST_PO2: {
+
+				VALIDATE_ARG_NUM(0);
+				int64_t num = *p_inputs[0];
+				*p_outputs[0] = nearest_power_of_2(num);
+			} break;
+			case VisualScriptBuiltinFunc::OBJ_WEAKREF: {
+
+				if (p_inputs[0]->get_type()!=Variant::OBJECT) {
+
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+					r_error.argument=0;
+					r_error.expected=Variant::OBJECT;
+
+					return 0;
+
+				}
+
+				if (p_inputs[0]->is_ref()) {
+
+					REF r = *p_inputs[0];
+					if (!r.is_valid()) {
+
+						return 0;
+					}
+
+					Ref<WeakRef> wref = memnew( WeakRef );
+					wref->set_ref(r);
+					*p_outputs[0]=wref;
+				} else {
+					Object *obj = *p_inputs[0];
+					if (!obj) {
+
+						return 0;
+					}
+					Ref<WeakRef> wref = memnew( WeakRef );
+					wref->set_obj(obj);
+					*p_outputs[0]=wref;
+				}
+
+
+
+
+			} break;
+			case VisualScriptBuiltinFunc::FUNC_FUNCREF: {
+
+				if (p_inputs[0]->get_type()!=Variant::OBJECT) {
+
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+					r_error.argument=0;
+					r_error.expected=Variant::OBJECT;
+
+					return 0;
+
+				}
+				if (p_inputs[1]->get_type()!=Variant::STRING && p_inputs[1]->get_type()!=Variant::NODE_PATH) {
+
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+					r_error.argument=1;
+					r_error.expected=Variant::STRING;
+
+					return 0;
+
+				}
+
+				Ref<FuncRef> fr = memnew( FuncRef);
+
+				fr->set_instance(*p_inputs[0]);
+				fr->set_function(*p_inputs[1]);
+
+				*p_outputs[0]=fr;
+
+			} break;
+			case VisualScriptBuiltinFunc::TYPE_CONVERT: {
+
+				VALIDATE_ARG_NUM(1);
+				int type=*p_inputs[1];
+				if (type<0 || type>=Variant::VARIANT_MAX) {
+
+					*p_outputs[0]=RTR("Invalid type argument to convert(), use TYPE_* constants.");
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+					r_error.argument=0;
+					r_error.expected=Variant::INT;
+					return 0;
+
+				} else {
+
+
+					*p_outputs[0]=Variant::construct(Variant::Type(type),p_inputs,1,r_error);
+				}
+			} break;
+			case VisualScriptBuiltinFunc::TYPE_OF: {
+
+
+				*p_outputs[0] = p_inputs[0]->get_type();
+
+			} break;
+			case VisualScriptBuiltinFunc::TYPE_EXISTS: {
+
+
+				*p_outputs[0] = ObjectTypeDB::type_exists(*p_inputs[0]);
+
+			} break;
+			case VisualScriptBuiltinFunc::TEXT_STR: {
+
+				String str = *p_inputs[0];
+
+				*p_outputs[0]=str;
+
+			} break;
+			case VisualScriptBuiltinFunc::TEXT_PRINT: {
+
+				String str = *p_inputs[0];
+				print_line(str);
+
+
+			} break;
+
+			case VisualScriptBuiltinFunc::TEXT_PRINTERR: {
+
+				String str = *p_inputs[0];
+
+				//str+="\n";
+				OS::get_singleton()->printerr("%s\n",str.utf8().get_data());
+
+
+			} break;
+			case VisualScriptBuiltinFunc::TEXT_PRINTRAW: {
+				String str = *p_inputs[0];
+
+				//str+="\n";
+				OS::get_singleton()->print("%s",str.utf8().get_data());
+
+
+			} break;
+			case VisualScriptBuiltinFunc::VAR_TO_STR: {
+
+				String vars;
+				VariantWriter::write_to_string(*p_inputs[0],vars);
+				*p_outputs[0]=vars;
+			} break;
+			case VisualScriptBuiltinFunc::STR_TO_VAR: {
+
+				if (p_inputs[0]->get_type()!=Variant::STRING) {
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+					r_error.argument=0;
+					r_error.expected=Variant::STRING;
+
+					return 0;
+				}
+
+				VariantParser::StreamString ss;
+				ss.s=*p_inputs[0];
+
+				String errs;
+				int line;
+				Error err = VariantParser::parse(&ss,*p_outputs[0],errs,line);
+
+				if (err!=OK) {
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+					r_error.argument=0;
+					r_error.expected=Variant::STRING;
+					*p_outputs[0]="Parse error at line "+itos(line)+": "+errs;
+					return 0;
+				}
+
+			} break;
+			case VisualScriptBuiltinFunc::VAR_TO_BYTES: {
+
+
+				ByteArray barr;
+				int len;
+				Error err = encode_variant(*p_inputs[0],NULL,len);
+				if (err) {
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+					r_error.argument=0;
+					r_error.expected=Variant::NIL;
+					*p_outputs[0]="Unexpected error encoding variable to bytes, likely unserializable type found (Object or RID).";
+					return 0;
+				}
+
+				barr.resize(len);
+				{
+					ByteArray::Write w = barr.write();
+					encode_variant(*p_inputs[0],w.ptr(),len);
+
+				}
+				*p_outputs[0]=barr;
+			} break;
+			case VisualScriptBuiltinFunc::BYTES_TO_VAR: {
+
+				if (p_inputs[0]->get_type()!=Variant::RAW_ARRAY) {
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+					r_error.argument=0;
+					r_error.expected=Variant::RAW_ARRAY;
+
+					return 0;
+				}
+
+				ByteArray varr=*p_inputs[0];
+				Variant ret;
+				{
+					ByteArray::Read r=varr.read();
+					Error err = decode_variant(ret,r.ptr(),varr.size(),NULL);
+					if (err!=OK) {
+						*p_outputs[0]=RTR("Not enough bytes for decoding bytes, or invalid format.");
+						r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+						r_error.argument=0;
+						r_error.expected=Variant::RAW_ARRAY;
+						return 0;
+					}
+
+				}
+
+				*p_outputs[0]=ret;
+
+			} break;
+			default: {}
+		}
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptBuiltinFunc::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceBuiltinFunc * instance = memnew(VisualScriptNodeInstanceBuiltinFunc );
+	instance->node=this;
+	instance->instance=p_instance;
+	instance->func=func;
+	return instance;
 }
 
+
 void VisualScriptBuiltinFunc::_bind_methods() {
 
 	ObjectTypeDB::bind_method(_MD("set_func","which"),&VisualScriptBuiltinFunc::set_func);
@@ -577,66 +1121,66 @@ static Ref<VisualScriptNode> create_builtin_func_node(const String& p_name) {
 void register_visual_script_builtin_func_node() {
 
 
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/sin",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_SIN>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/cos",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_COS>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/tan",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_TAN>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/sinh",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_SINH>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/cosh",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_COSH>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/tanh",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_TANH>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/sin",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_SIN>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/cos",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_COS>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/tan",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_TAN>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/sinh",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_SINH>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/cosh",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_COSH>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/tanh",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_TANH>);
 
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/asin",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ASIN>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/acos",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ACOS>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/atan",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ATAN>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/atan2",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ATAN2>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/asin",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ASIN>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/acos",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ACOS>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/atan",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ATAN>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/atan2",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ATAN2>);
 
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/sqrt",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_SQRT>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/fmod",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_FMOD>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/fposmod",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_FPOSMOD>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/floor",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_FLOOR>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/ceil",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_CEIL>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/round",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ROUND>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/abs",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ABS>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/sign",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_SIGN>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/pow",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_POW>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/log",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_LOG>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/exp",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_EXP>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/isnan",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ISNAN>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/isinf",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ISINF>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/sqrt",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_SQRT>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/fmod",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_FMOD>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/fposmod",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_FPOSMOD>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/floor",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_FLOOR>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/ceil",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_CEIL>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/round",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ROUND>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/abs",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ABS>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/sign",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_SIGN>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/pow",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_POW>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/log",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_LOG>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/exp",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_EXP>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/isnan",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ISNAN>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/isinf",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_ISINF>);
 
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/ease",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_EASE>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/decimals",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_DECIMALS>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/stepify",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_STEPIFY>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/lerp",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_LERP>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/dectime",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_DECTIME>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/randomize",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_RANDOMIZE>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/rand",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_RAND>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/randf",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_RANDF>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/random",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_RANDOM>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/ease",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_EASE>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/decimals",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_DECIMALS>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/stepify",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_STEPIFY>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/lerp",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_LERP>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/dectime",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_DECTIME>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/randomize",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_RANDOMIZE>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/rand",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_RAND>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/randf",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_RANDF>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/random",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_RANDOM>);
 
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/seed",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_SEED>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/randseed",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_RANDSEED>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/deg2rad",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_DEG2RAD>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/rad2deg",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_RAD2DEG>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/linear2db",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_LINEAR2DB>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/db2linear",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_DB2LINEAR>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/seed",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_SEED>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/randseed",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_RANDSEED>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/deg2rad",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_DEG2RAD>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/rad2deg",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_RAD2DEG>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/linear2db",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_LINEAR2DB>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/db2linear",create_builtin_func_node<VisualScriptBuiltinFunc::MATH_DB2LINEAR>);
 
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/max",create_builtin_func_node<VisualScriptBuiltinFunc::LOGIC_MAX>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/min",create_builtin_func_node<VisualScriptBuiltinFunc::LOGIC_MIN>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/clamp",create_builtin_func_node<VisualScriptBuiltinFunc::LOGIC_CLAMP>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/nearest_po2",create_builtin_func_node<VisualScriptBuiltinFunc::LOGIC_NEAREST_PO2>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/max",create_builtin_func_node<VisualScriptBuiltinFunc::LOGIC_MAX>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/min",create_builtin_func_node<VisualScriptBuiltinFunc::LOGIC_MIN>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/clamp",create_builtin_func_node<VisualScriptBuiltinFunc::LOGIC_CLAMP>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/nearest_po2",create_builtin_func_node<VisualScriptBuiltinFunc::LOGIC_NEAREST_PO2>);
 
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/weakref",create_builtin_func_node<VisualScriptBuiltinFunc::OBJ_WEAKREF>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/funcref",create_builtin_func_node<VisualScriptBuiltinFunc::FUNC_FUNCREF>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/convert",create_builtin_func_node<VisualScriptBuiltinFunc::TYPE_CONVERT>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/typeof",create_builtin_func_node<VisualScriptBuiltinFunc::TYPE_OF>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/type_exists",create_builtin_func_node<VisualScriptBuiltinFunc::TYPE_EXISTS>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/str",create_builtin_func_node<VisualScriptBuiltinFunc::TEXT_STR>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/print",create_builtin_func_node<VisualScriptBuiltinFunc::TEXT_PRINT>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/printerr",create_builtin_func_node<VisualScriptBuiltinFunc::TEXT_PRINTERR>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/printraw",create_builtin_func_node<VisualScriptBuiltinFunc::TEXT_PRINTRAW>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/var2str",create_builtin_func_node<VisualScriptBuiltinFunc::VAR_TO_STR>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/str2var",create_builtin_func_node<VisualScriptBuiltinFunc::STR_TO_VAR>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/var2bytes",create_builtin_func_node<VisualScriptBuiltinFunc::VAR_TO_BYTES>);
-	VisualScriptLanguage::singleton->add_register_func("functions/builtin/bytes2var",create_builtin_func_node<VisualScriptBuiltinFunc::BYTES_TO_VAR>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/weakref",create_builtin_func_node<VisualScriptBuiltinFunc::OBJ_WEAKREF>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/funcref",create_builtin_func_node<VisualScriptBuiltinFunc::FUNC_FUNCREF>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/convert",create_builtin_func_node<VisualScriptBuiltinFunc::TYPE_CONVERT>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/typeof",create_builtin_func_node<VisualScriptBuiltinFunc::TYPE_OF>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/type_exists",create_builtin_func_node<VisualScriptBuiltinFunc::TYPE_EXISTS>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/str",create_builtin_func_node<VisualScriptBuiltinFunc::TEXT_STR>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/print",create_builtin_func_node<VisualScriptBuiltinFunc::TEXT_PRINT>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/printerr",create_builtin_func_node<VisualScriptBuiltinFunc::TEXT_PRINTERR>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/printraw",create_builtin_func_node<VisualScriptBuiltinFunc::TEXT_PRINTRAW>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/var2str",create_builtin_func_node<VisualScriptBuiltinFunc::VAR_TO_STR>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/str2var",create_builtin_func_node<VisualScriptBuiltinFunc::STR_TO_VAR>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/var2bytes",create_builtin_func_node<VisualScriptBuiltinFunc::VAR_TO_BYTES>);
+	VisualScriptLanguage::singleton->add_register_func("functions/built_in/bytes2var",create_builtin_func_node<VisualScriptBuiltinFunc::BYTES_TO_VAR>);
 
 }
diff --git a/modules/visual_script/visual_script_builtin_funcs.h b/modules/visual_script/visual_script_builtin_funcs.h
index b4dbd4db396..ebf227a192d 100644
--- a/modules/visual_script/visual_script_builtin_funcs.h
+++ b/modules/visual_script/visual_script_builtin_funcs.h
@@ -91,11 +91,12 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "functions"; }
 
 	void set_func(BuiltinFunc p_which);
 	BuiltinFunc get_func();
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptBuiltinFunc();
 };
diff --git a/modules/visual_script/visual_script_editor.cpp b/modules/visual_script/visual_script_editor.cpp
index ad4f2be34c3..b9eb76862e0 100644
--- a/modules/visual_script/visual_script_editor.cpp
+++ b/modules/visual_script/visual_script_editor.cpp
@@ -425,6 +425,10 @@ void VisualScriptEditor::_update_graph(int p_only_id) {
 		GraphNode *gnode = memnew( GraphNode );
 		gnode->set_title(node->get_caption());
 
+		if (EditorSettings::get_singleton()->has("visual_script/color_"+node->get_category())) {
+			gnode->set_modulate(EditorSettings::get_singleton()->get("visual_script/color_"+node->get_category()));
+		}
+
 		gnode->set_meta("__vnode",node);
 		gnode->set_name(itos(E->get()));
 		gnode->connect("dragged",this,"_node_moved",varray(E->get()));
@@ -1377,6 +1381,16 @@ bool VisualScriptEditor::can_drop_data_fw(const Point2& p_point,const Variant& p
 					const_cast<VisualScriptEditor*>(this)->_show_hint("Hold Ctrl to drop a Setter, Shift+Ctrl to drop a Setter and copy the value.");
 #endif
 				}
+
+				if (String(d["type"])=="visual_script_variable_drag") {
+
+#ifdef OSX_ENABLED
+					const_cast<VisualScriptEditor*>(this)->_show_hint("Hold Meta to drop a Variable Setter.");
+#else
+					const_cast<VisualScriptEditor*>(this)->_show_hint("Hold Ctrl to drop a Variable Setter.");
+#endif
+				}
+
 				return true;
 
 		}
@@ -1448,6 +1462,11 @@ void VisualScriptEditor::drop_data_fw(const Point2& p_point,const Variant& p_dat
 
 		if (d.has("type") && String(d["type"])=="visual_script_variable_drag") {
 
+#ifdef OSX_ENABLED
+			bool use_set = Input::get_singleton()->is_key_pressed(KEY_META);
+#else
+			bool use_set = Input::get_singleton()->is_key_pressed(KEY_CONTROL);
+#endif
 			Vector2 ofs = graph->get_scroll_ofs() + p_point;
 			if (graph->is_using_snap()) {
 				int snap = graph->get_snap();
@@ -1456,9 +1475,19 @@ void VisualScriptEditor::drop_data_fw(const Point2& p_point,const Variant& p_dat
 
 			ofs/=EDSCALE;
 
-			Ref<VisualScriptVariable> vnode;
-			vnode.instance();
-			vnode->set_variable(d["variable"]);
+			Ref<VisualScriptNode> vnode;
+			if (use_set) {
+				Ref<VisualScriptVariableSet> vnodes;
+				vnodes.instance();
+				vnodes->set_variable(d["variable"]);
+				vnode=vnodes;
+			} else {
+
+				Ref<VisualScriptVariableGet> vnodeg;
+				vnodeg.instance();
+				vnodeg->set_variable(d["variable"]);
+				vnode=vnodeg;
+			}
 
 			int new_id = script->get_available_id();
 
diff --git a/modules/visual_script/visual_script_flow_control.cpp b/modules/visual_script/visual_script_flow_control.cpp
index 83d975fbca5..094cb4aa1c0 100644
--- a/modules/visual_script/visual_script_flow_control.cpp
+++ b/modules/visual_script/visual_script_flow_control.cpp
@@ -93,9 +93,38 @@ void VisualScriptReturn::_bind_methods() {
 
 }
 
-VisualScriptNodeInstance* VisualScriptReturn::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceReturn : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+	VisualScriptReturn *node;
+	VisualScriptInstance *instance;
+	bool with_value;
+
+	virtual int get_working_memory_size() const { return 1; }
+	//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
+	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		if (with_value) {
+			*p_working_mem = *p_inputs[0];
+		} else {
+			*p_working_mem = Variant();
+		}
+
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptReturn::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceReturn * instance = memnew(VisualScriptNodeInstanceReturn );
+	instance->node=this;
+	instance->instance=p_instance;
+	instance->with_value=with_value;
+	return instance;
 }
 
 VisualScriptReturn::VisualScriptReturn() {
@@ -174,9 +203,33 @@ void VisualScriptCondition::_bind_methods() {
 
 }
 
-VisualScriptNodeInstance* VisualScriptCondition::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceCondition : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+	VisualScriptCondition *node;
+	VisualScriptInstance *instance;
+
+	//virtual int get_working_memory_size() const { return 1; }
+	//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
+	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		if (p_inputs[0]->operator bool())
+			return 0;
+		else
+			return 1;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptCondition::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceCondition * instance = memnew(VisualScriptNodeInstanceCondition );
+	instance->node=this;
+	instance->instance=p_instance;
+	return instance;
 }
 
 VisualScriptCondition::VisualScriptCondition() {
@@ -244,11 +297,36 @@ void VisualScriptWhile::_bind_methods() {
 
 }
 
-VisualScriptNodeInstance* VisualScriptWhile::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceWhile : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+	VisualScriptWhile *node;
+	VisualScriptInstance *instance;
+
+	//virtual int get_working_memory_size() const { return 1; }
+	//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
+	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		bool keep_going = p_inputs[0]->operator bool();
+
+		if (keep_going)
+			return 0|STEP_FLAG_PUSH_STACK_BIT;
+		else
+			return 1;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptWhile::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceWhile * instance = memnew(VisualScriptNodeInstanceWhile );
+	instance->node=this;
+	instance->instance=p_instance;
+	return instance;
 }
-
 VisualScriptWhile::VisualScriptWhile() {
 
 }
@@ -316,9 +394,79 @@ void VisualScriptIterator::_bind_methods() {
 
 }
 
-VisualScriptNodeInstance* VisualScriptIterator::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceIterator : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+	VisualScriptIterator *node;
+	VisualScriptInstance *instance;
+
+	virtual int get_working_memory_size() const { return 2; }
+	//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
+	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		if (p_start_sequence) {
+			p_working_mem[0]=*p_inputs[0];
+			bool valid;
+			bool can_iter = p_inputs[0]->iter_init(p_working_mem[1],valid);
+
+			if (!valid) {
+				r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+				r_error_str=RTR("Input type not iterable: ")+Variant::get_type_name(p_inputs[0]->get_type());
+				return 0;
+			}
+
+			if (!can_iter)
+				return 1; //nothing to iterate
+
+
+			*p_outputs[0]=p_working_mem[0].iter_get( p_working_mem[1],valid);
+
+			if (!valid) {
+				r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+				r_error_str=RTR("Iterator became invalid");
+				return 0;
+			}
+
+
+		} else {
+
+			bool valid;
+			bool can_iter = p_working_mem[0].iter_next(p_working_mem[1],valid);
+
+			if (!valid) {
+				r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+				r_error_str=RTR("Iterator became invalid: ")+Variant::get_type_name(p_inputs[0]->get_type());
+				return 0;
+			}
+
+			if (!can_iter)
+				return 1; //nothing to iterate
+
+
+			*p_outputs[0]=p_working_mem[0].iter_get( p_working_mem[1],valid);
+
+			if (!valid) {
+				r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+				r_error_str=RTR("Iterator became invalid");
+				return 0;
+			}
+
+		}
+
+		return 0|STEP_FLAG_PUSH_STACK_BIT; //go around
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptIterator::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceIterator * instance = memnew(VisualScriptNodeInstanceIterator );
+	instance->node=this;
+	instance->instance=p_instance;
+	return instance;
 }
 
 VisualScriptIterator::VisualScriptIterator() {
@@ -396,11 +544,48 @@ void VisualScriptSequence::_bind_methods() {
 
 }
 
-VisualScriptNodeInstance* VisualScriptSequence::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceSequence : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+	VisualScriptSequence *node;
+	VisualScriptInstance *instance;
+	int steps;
+
+	virtual int get_working_memory_size() const { return 1; }
+	//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
+	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		if (p_start_sequence) {
+
+			p_working_mem[0]=0;
+		}
+
+		int step = p_working_mem[0];
+
+		*p_outputs[0]=step;
+
+		if (step+1==steps)
+			return step;
+		else {
+			p_working_mem[0]=step+1;
+			return step|STEP_FLAG_PUSH_STACK_BIT;
+		}
+
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptSequence::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceSequence * instance = memnew(VisualScriptNodeInstanceSequence );
+	instance->node=this;
+	instance->instance=p_instance;
+	instance->steps=steps;
+	return instance;
 }
-
 VisualScriptSequence::VisualScriptSequence() {
 
 	steps=1;
diff --git a/modules/visual_script/visual_script_flow_control.h b/modules/visual_script/visual_script_flow_control.h
index 557654b080e..49179fd934d 100644
--- a/modules/visual_script/visual_script_flow_control.h
+++ b/modules/visual_script/visual_script_flow_control.h
@@ -31,6 +31,7 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "flow_control"; }
 
 	void set_return_type(Variant::Type);
 	Variant::Type get_return_type() const;
@@ -39,7 +40,7 @@ public:
 	bool is_return_value_enabled() const;
 
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptReturn();
 };
@@ -72,9 +73,10 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "flow_control"; }
 
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptCondition();
 };
@@ -107,9 +109,10 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "flow_control"; }
 
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptWhile();
 };
@@ -143,9 +146,10 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "flow_control"; }
 
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptIterator();
 };
@@ -180,11 +184,12 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "flow_control"; }
 
 	void set_steps(int p_steps);
 	int get_steps() const;
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptSequence();
 };
diff --git a/modules/visual_script/visual_script_func_nodes.cpp b/modules/visual_script/visual_script_func_nodes.cpp
index 750ad00a56b..c7598c0eb04 100644
--- a/modules/visual_script/visual_script_func_nodes.cpp
+++ b/modules/visual_script/visual_script_func_nodes.cpp
@@ -485,11 +485,96 @@ void VisualScriptFunctionCall::_bind_methods() {
 	BIND_CONSTANT( CALL_MODE_BASIC_TYPE );
 }
 
-VisualScriptNodeInstance* VisualScriptFunctionCall::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceFunctionCall : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+
+	VisualScriptFunctionCall::CallMode call_mode;
+	NodePath node_path;
+	int input_args;
+	bool returns;
+	StringName function;
+
+	VisualScriptFunctionCall *node;
+	VisualScriptInstance *instance;
+
+
+
+	//virtual int get_working_memory_size() const { return 0; }
+	//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
+	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+
+		switch(call_mode) {
+
+			case VisualScriptFunctionCall::CALL_MODE_SELF: {
+
+				Object *object=instance->get_owner_ptr();
+
+				if (returns) {
+					*p_outputs[0] = object->call(function,p_inputs,input_args,r_error);
+				} else {
+					object->call(function,p_inputs,input_args,r_error);
+				}
+			} break;
+			case VisualScriptFunctionCall::CALL_MODE_NODE_PATH: {
+
+				Node* node = instance->get_owner_ptr()->cast_to<Node>();
+				if (!node) {
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+					r_error_str="Base object is not a Node!";
+					return 0;
+				}
+
+				Node* another = node->get_node(node_path);
+				if (!node) {
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+					r_error_str="Path does not lead Node!";
+					return 0;
+				}
+
+				if (returns) {
+					*p_outputs[0] = another->call(function,p_inputs,input_args,r_error);
+				} else {
+					another->call(function,p_inputs,input_args,r_error);
+				}
+
+			} break;
+			case VisualScriptFunctionCall::CALL_MODE_INSTANCE:
+			case VisualScriptFunctionCall::CALL_MODE_BASIC_TYPE: {
+
+				Variant v = *p_inputs[0];
+				print_line("inputs: "+String(v));
+				if (returns) {
+					*p_outputs[0] = v.call(function,p_inputs+1,input_args,r_error);
+				} else {
+					v.call(function,p_inputs+1,input_args,r_error);
+				}
+
+			} break;
+
+		}
+		return 0;
+
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptFunctionCall::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceFunctionCall * instance = memnew(VisualScriptNodeInstanceFunctionCall );
+	instance->node=this;
+	instance->instance=p_instance;
+	instance->function=function;
+	instance->call_mode=call_mode;
+	instance->returns=get_output_value_port_count();
+	instance->node_path=base_path;
+	instance->input_args = get_input_value_port_count() - ( (call_mode==CALL_MODE_BASIC_TYPE || call_mode==CALL_MODE_INSTANCE) ? 1: 0 );
+	return instance;
 }
-
 VisualScriptFunctionCall::VisualScriptFunctionCall() {
 
 	call_mode=CALL_MODE_INSTANCE;
@@ -983,9 +1068,116 @@ void VisualScriptPropertySet::_bind_methods() {
 
 }
 
-VisualScriptNodeInstance* VisualScriptPropertySet::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstancePropertySet : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+
+	VisualScriptPropertySet::CallMode call_mode;
+	NodePath node_path;
+	StringName property;
+	bool use_builtin;
+	Variant builtin_val;
+
+	VisualScriptPropertySet *node;
+	VisualScriptInstance *instance;
+
+
+
+	//virtual int get_working_memory_size() const { return 0; }
+	//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
+	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+
+		switch(call_mode) {
+
+			case VisualScriptPropertySet::CALL_MODE_SELF: {
+
+				Object *object=instance->get_owner_ptr();
+
+				bool valid;
+
+				if (use_builtin) {
+					object->set(property,builtin_val,&valid);
+				} else {
+					object->set(property,*p_inputs[0],&valid);
+				}
+
+				if (!valid) {
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+					r_error_str="Invalid index property name.";
+				}
+			} break;
+			case VisualScriptPropertySet::CALL_MODE_NODE_PATH: {
+
+				Node* node = instance->get_owner_ptr()->cast_to<Node>();
+				if (!node) {
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+					r_error_str="Base object is not a Node!";
+					return 0;
+				}
+
+				Node* another = node->get_node(node_path);
+				if (!node) {
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+					r_error_str="Path does not lead Node!";
+					return 0;
+				}
+
+				bool valid;
+
+				if (use_builtin) {
+					another->set(property,builtin_val,&valid);
+				} else {
+					another->set(property,*p_inputs[0],&valid);
+				}
+
+				if (!valid) {
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+					r_error_str="Invalid index property name.";
+				}
+
+			} break;
+			case VisualScriptPropertySet::CALL_MODE_INSTANCE:
+			case VisualScriptPropertySet::CALL_MODE_BASIC_TYPE: {
+
+				Variant v = *p_inputs[0];
+
+				bool valid;
+
+				if (use_builtin) {
+					v.set(property,builtin_val,&valid);
+				} else {
+					v.set(property,p_inputs[1],&valid);
+				}
+
+				if (!valid) {
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+					r_error_str="Invalid index property name.";
+				}
+
+			} break;
+
+		}
+		return 0;
+
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptPropertySet::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstancePropertySet * instance = memnew(VisualScriptNodeInstancePropertySet );
+	instance->node=this;
+	instance->instance=p_instance;
+	instance->property=property;
+	instance->call_mode=call_mode;
+	instance->node_path=base_path;
+	instance->use_builtin=use_builtin_value;
+	instance->builtin_val=builtin_value;
+	return instance;
 }
 
 VisualScriptPropertySet::VisualScriptPropertySet() {
@@ -1012,12 +1204,12 @@ static Ref<VisualScriptNode> create_property_set_node(const String& p_name) {
 
 int VisualScriptPropertyGet::get_output_sequence_port_count() const {
 
-	return 1;
+	return (call_mode==CALL_MODE_SELF || call_mode==CALL_MODE_NODE_PATH)?0:1;
 }
 
 bool VisualScriptPropertyGet::has_input_sequence_port() const{
 
-	return true;
+	return (call_mode==CALL_MODE_SELF || call_mode==CALL_MODE_NODE_PATH)?false:true;
 }
 void VisualScriptPropertyGet::_update_base_type() {
 	//cache it because this information may not be available on load
@@ -1385,9 +1577,107 @@ void VisualScriptPropertyGet::_bind_methods() {
 	BIND_CONSTANT( CALL_MODE_INSTANCE);
 }
 
-VisualScriptNodeInstance* VisualScriptPropertyGet::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstancePropertyGet : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+
+	VisualScriptPropertyGet::CallMode call_mode;
+	NodePath node_path;
+	StringName property;
+
+	VisualScriptPropertyGet *node;
+	VisualScriptInstance *instance;
+
+
+
+	//virtual int get_working_memory_size() const { return 0; }
+	virtual bool is_output_port_unsequenced(int p_idx) const { return (call_mode==VisualScriptPropertyGet::CALL_MODE_SELF || call_mode==VisualScriptPropertyGet::CALL_MODE_NODE_PATH); }
+	virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const {
+
+		//these two modes can be get directly, so they use unsequenced mode
+		switch(call_mode) {
+
+			case VisualScriptPropertyGet::CALL_MODE_SELF: {
+
+				Object *object=instance->get_owner_ptr();
+
+				bool valid;
+
+				*r_value = object->get(property,&valid);
+
+				if (!valid) {
+					//r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+					r_error=RTR("Invalid index property name.");
+					return false;
+				}
+			} break;
+			case VisualScriptPropertyGet::CALL_MODE_NODE_PATH: {
+
+				Node* node = instance->get_owner_ptr()->cast_to<Node>();
+				if (!node) {
+					//r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+					r_error=RTR("Base object is not a Node!");
+					return false;
+				}
+
+				Node* another = node->get_node(node_path);
+				if (!node) {
+					//r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+					r_error=RTR("Path does not lead Node!");
+					return false;
+				}
+
+				bool valid;
+
+
+				*r_value = another->get(property,&valid);
+
+				if (!valid) {
+					//r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+					r_error=vformat(RTR("Invalid index property name '%s' in node %s."),String(property),another->get_name());
+					return false;
+				}
+
+			} break;
+			default: {};
+		}
+		return true;
+
+	}
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+
+		bool valid;
+		Variant v = *p_inputs[0];
+
+		*p_outputs[0] = v.get(property,&valid);
+
+		if (!valid) {
+			r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+			r_error_str=RTR("Invalid index property name.");
+
+		}
+
+
+		return 0;
+	}
+
+
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptPropertyGet::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstancePropertyGet * instance = memnew(VisualScriptNodeInstancePropertyGet );
+	instance->node=this;
+	instance->instance=p_instance;
+	instance->property=property;
+	instance->call_mode=call_mode;
+	instance->node_path=base_path;
+
+	return instance;
 }
 
 VisualScriptPropertyGet::VisualScriptPropertyGet() {
@@ -1463,7 +1753,9 @@ Node *VisualScriptScriptCall::_get_base_node() const {
 
 int VisualScriptScriptCall::get_input_value_port_count() const{
 
-
+#if 1
+	return argument_count;
+#else
 	if (call_mode==CALL_MODE_SELF) {
 
 		Ref<VisualScript> vs = get_visual_script();
@@ -1501,6 +1793,7 @@ int VisualScriptScriptCall::get_input_value_port_count() const{
 
 
 	return 0;
+#endif
 
 }
 int VisualScriptScriptCall::get_output_value_port_count() const{
@@ -1573,6 +1866,48 @@ String VisualScriptScriptCall::get_text() const {
 	return "  "+String(function)+"()";
 }
 
+void VisualScriptScriptCall::_update_argument_count() {
+
+	//try to remember the amount of arguments in the function, because if loaded from scratch
+	//this information will not be available
+
+	if (call_mode==CALL_MODE_SELF) {
+
+		Ref<VisualScript> vs = get_visual_script();
+		if (vs.is_valid()) {
+
+			if (!vs->has_function(function))
+				return ;
+
+			int id = vs->get_function_node_id(function);
+			if (id<0)
+				return;
+
+			Ref<VisualScriptFunction> func = vs->get_node(function,id);
+
+			argument_count=func->get_argument_count();
+		}
+	} else {
+
+		Node*base = _get_base_node();
+		if (!base)
+			return;
+
+		Ref<Script> script = base->get_script();
+		if (!script.is_valid())
+			return ;
+
+		List<MethodInfo> functions;
+		script->get_method_list(&functions);
+		for (List<MethodInfo>::Element *E=functions.front();E;E=E->next()) {
+			if (E->get().name==function) {
+				argument_count=E->get().arguments.size();
+				return;
+			}
+		}
+
+	}
+}
 
 
 void VisualScriptScriptCall::set_function(const StringName& p_type){
@@ -1581,7 +1916,7 @@ void VisualScriptScriptCall::set_function(const StringName& p_type){
 		return;
 
 	function=p_type;
-
+	_update_argument_count();
 	_change_notify();
 	ports_changed_notify();
 }
@@ -1597,7 +1932,7 @@ void VisualScriptScriptCall::set_base_path(const NodePath& p_type) {
 		return;
 
 	base_path=p_type;
-
+	_update_argument_count();
 	_change_notify();
 	ports_changed_notify();
 }
@@ -1614,11 +1949,25 @@ void VisualScriptScriptCall::set_call_mode(CallMode p_mode) {
 		return;
 
 	call_mode=p_mode;
-
+	_update_argument_count();
 	_change_notify();
 	ports_changed_notify();
 
 }
+
+void VisualScriptScriptCall::set_argument_count(int p_count) {
+
+	argument_count=p_count;
+	_change_notify();
+	ports_changed_notify();
+
+}
+
+int VisualScriptScriptCall::get_argument_count() const {
+
+	return argument_count;
+}
+
 VisualScriptScriptCall::CallMode VisualScriptScriptCall::get_call_mode() const {
 
 	return call_mode;
@@ -1703,24 +2052,95 @@ void VisualScriptScriptCall::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("set_base_path","base_path"),&VisualScriptScriptCall::set_base_path);
 	ObjectTypeDB::bind_method(_MD("get_base_path"),&VisualScriptScriptCall::get_base_path);
 
+	ObjectTypeDB::bind_method(_MD("set_argument_count","argument_count"),&VisualScriptScriptCall::set_argument_count);
+	ObjectTypeDB::bind_method(_MD("get_argument_count"),&VisualScriptScriptCall::get_argument_count);
 
 	ADD_PROPERTY(PropertyInfo(Variant::INT,"function/call_mode",PROPERTY_HINT_ENUM,"Self,Node Path"),_SCS("set_call_mode"),_SCS("get_call_mode"));
 	ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH,"function/node_path",PROPERTY_HINT_NODE_PATH_TO_EDITED_NODE),_SCS("set_base_path"),_SCS("get_base_path"));
 	ADD_PROPERTY(PropertyInfo(Variant::STRING,"function/function"),_SCS("set_function"),_SCS("get_function"));
+	ADD_PROPERTY(PropertyInfo(Variant::STRING,"function/argument_count"),_SCS("set_argument_count"),_SCS("get_argument_count"));
 
 	BIND_CONSTANT( CALL_MODE_SELF );
 	BIND_CONSTANT( CALL_MODE_NODE_PATH);
 
 }
 
-VisualScriptNodeInstance* VisualScriptScriptCall::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceScriptCall : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+
+	VisualScriptScriptCall::CallMode call_mode;
+	NodePath node_path;
+	int input_args;
+	bool returns;
+	StringName function;
+
+	VisualScriptScriptCall *node;
+	VisualScriptInstance *instance;
+
+
+
+	//virtual int get_working_memory_size() const { return 0; }
+	//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
+	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+
+		switch(call_mode) {
+
+			case VisualScriptScriptCall::CALL_MODE_SELF: {
+
+				Object *object=instance->get_owner_ptr();
+
+				*p_outputs[0] = object->call(function,p_inputs,input_args,r_error);
+
+			} break;
+			case VisualScriptScriptCall::CALL_MODE_NODE_PATH: {
+
+				Node* node = instance->get_owner_ptr()->cast_to<Node>();
+				if (!node) {
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+					r_error_str="Base object is not a Node!";
+					return 0;
+				}
+
+				Node* another = node->get_node(node_path);
+				if (!node) {
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+					r_error_str="Path does not lead Node!";
+					return 0;
+				}
+
+
+				*p_outputs[0] = another->call(function,p_inputs,input_args,r_error);
+
+			} break;
+
+		}
+		return 0;
+
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptScriptCall::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceScriptCall * instance = memnew(VisualScriptNodeInstanceScriptCall );
+	instance->node=this;
+	instance->instance=p_instance;
+	instance->function=function;
+	instance->call_mode=call_mode;
+	instance->node_path=base_path;
+	instance->input_args = argument_count;
+	return instance;
 }
 
 VisualScriptScriptCall::VisualScriptScriptCall() {
 
 	call_mode=CALL_MODE_SELF;
+	argument_count=0;
 
 
 }
@@ -1736,7 +2156,7 @@ static Ref<VisualScriptNode> create_script_call_node(const String& p_name) {
 
 
 //////////////////////////////////////////
-////////////////SCRIPT CALL//////////////////////
+////////////////EMIT//////////////////////
 //////////////////////////////////////////
 
 int VisualScriptEmitSignal::get_output_sequence_port_count() const {
@@ -1865,14 +2285,78 @@ void VisualScriptEmitSignal::_bind_methods() {
 
 }
 
-VisualScriptNodeInstance* VisualScriptEmitSignal::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceEmitSignal : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+	VisualScriptEmitSignal *node;
+	VisualScriptInstance *instance;
+	int argcount;
+	StringName name;
+
+	//virtual int get_working_memory_size() const { return 0; }
+	//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
+	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+
+		Object *obj = instance->get_owner_ptr();
+
+		obj->emit_signal(name,p_inputs,argcount);
+
+
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptEmitSignal::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceEmitSignal * instance = memnew(VisualScriptNodeInstanceEmitSignal );
+	instance->node=this;
+	instance->instance=p_instance;
+	instance->name=name;
+	instance->argcount=get_input_value_port_count();
+	return instance;
 }
 
 VisualScriptEmitSignal::VisualScriptEmitSignal() {
 }
 
+
+
+static Ref<VisualScriptNode> create_basic_type_call_node(const String& p_name) {
+
+	Vector<String> path = p_name.split("/");
+	ERR_FAIL_COND_V(path.size()<4,Ref<VisualScriptNode>());
+	String base_type = path[2];
+	String method = path[3];
+
+	Ref<VisualScriptFunctionCall> node;
+	node.instance();
+
+	Variant::Type type=Variant::VARIANT_MAX;
+
+	for(int i=0;i<Variant::VARIANT_MAX;i++) {
+
+		if (Variant::get_type_name(Variant::Type(i))==base_type) {
+			type=Variant::Type(i);
+			break;
+		}
+	}
+
+	ERR_FAIL_COND_V(type==Variant::VARIANT_MAX,Ref<VisualScriptNode>());
+
+
+	node->set_call_mode(VisualScriptFunctionCall::CALL_MODE_BASIC_TYPE);
+	node->set_basic_type(type);
+	node->set_function(method);
+
+	return node;
+}
+
+
 void register_visual_script_func_nodes() {
 
 	VisualScriptLanguage::singleton->add_register_func("functions/call_method/instance_call",create_function_call_node<VisualScriptFunctionCall::CALL_MODE_INSTANCE>);
@@ -1895,4 +2379,17 @@ void register_visual_script_func_nodes() {
 	VisualScriptLanguage::singleton->add_register_func("functions/script/emit_signal",create_node_generic<VisualScriptEmitSignal>);
 
 
+	for(int i=0;i<Variant::VARIANT_MAX;i++) {
+
+		Variant::Type t = Variant::Type(i);
+		String type_name = Variant::get_type_name(t);
+		Variant::CallError ce;
+		Variant vt = Variant::construct(t,NULL,0,ce);
+		List<MethodInfo> ml;
+		vt.get_method_list(&ml);
+
+		for (List<MethodInfo>::Element *E=ml.front();E;E=E->next()) {
+			VisualScriptLanguage::singleton->add_register_func("functions/basic_types/"+type_name+"/"+E->get().name,create_basic_type_call_node);
+		}
+	}
 }
diff --git a/modules/visual_script/visual_script_func_nodes.h b/modules/visual_script/visual_script_func_nodes.h
index 940a133d634..7ba573564cd 100644
--- a/modules/visual_script/visual_script_func_nodes.h
+++ b/modules/visual_script/visual_script_func_nodes.h
@@ -50,6 +50,7 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "functions"; }
 
 	void set_basic_type(Variant::Type p_type);
 	Variant::Type get_basic_type() const;
@@ -69,7 +70,7 @@ public:
 	void set_use_default_args(int p_amount);
 	int get_use_default_args() const;
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptFunctionCall();
 };
@@ -127,6 +128,7 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "functions"; }
 
 	void set_base_type(const StringName& p_type);
 	StringName get_base_type() const;
@@ -149,7 +151,7 @@ public:
 	void set_builtin_value(const Variant &p_value);
 	Variant get_builtin_value() const;
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptPropertySet();
 };
@@ -204,6 +206,7 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "functions"; }
 
 	void set_base_type(const StringName& p_type);
 	StringName get_base_type() const;
@@ -220,7 +223,7 @@ public:
 	void set_call_mode(CallMode p_mode);
 	CallMode get_call_mode() const;
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptPropertyGet();
 };
@@ -246,11 +249,13 @@ private:
 	CallMode call_mode;
 	NodePath base_path;
 	StringName function;
+	int argument_count;
 
 
 	Node *_get_base_node() const;
 
 
+	void _update_argument_count();
 protected:
 	virtual void _validate_property(PropertyInfo& property) const;
 
@@ -274,6 +279,7 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "functions"; }
 
 	void set_function(const StringName& p_type);
 	StringName get_function() const;
@@ -284,9 +290,11 @@ public:
 	void set_call_mode(CallMode p_mode);
 	CallMode get_call_mode() const;
 
+	void set_argument_count(int p_count);
+	int get_argument_count() const;
 
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptScriptCall();
 };
@@ -328,11 +336,12 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "functions"; }
 
 	void set_signal(const StringName& p_type);
 	StringName get_signal() const;
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptEmitSignal();
 };
diff --git a/modules/visual_script/visual_script_nodes.cpp b/modules/visual_script/visual_script_nodes.cpp
index 1e898675d3b..ed7119e27a4 100644
--- a/modules/visual_script/visual_script_nodes.cpp
+++ b/modules/visual_script/visual_script_nodes.cpp
@@ -53,7 +53,15 @@ bool  VisualScriptFunction::_set(const StringName& p_name, const Variant& p_valu
 
 	}
 
+	if (p_name=="stack/stackless") {
+		set_stack_less(p_value);
+		return true;
+	}
 
+	if (p_name=="stack/size") {
+		stack_size=p_value;
+		return true;
+	}
 	return false;
 }
 
@@ -81,6 +89,16 @@ bool  VisualScriptFunction::_get(const StringName& p_name,Variant &r_ret) const
 
 	}
 
+	if (p_name=="stack/stackless") {
+		r_ret=stack_less;
+		return true;
+	}
+
+	if (p_name=="stack/size") {
+		r_ret=stack_size;
+		return true;
+	}
+
 	return false;
 }
 void  VisualScriptFunction::_get_property_list( List<PropertyInfo> *p_list) const {
@@ -96,6 +114,11 @@ void  VisualScriptFunction::_get_property_list( List<PropertyInfo> *p_list) cons
 		p_list->push_back(PropertyInfo(Variant::INT,"argument/"+itos(i+1)+"/type",PROPERTY_HINT_ENUM,argt));
 		p_list->push_back(PropertyInfo(Variant::STRING,"argument/"+itos(i+1)+"/name"));
 	}
+	if (!stack_less) {
+		p_list->push_back(PropertyInfo(Variant::INT,"stack/size",PROPERTY_HINT_RANGE,"1,100000"));
+	}
+	p_list->push_back(PropertyInfo(Variant::BOOL,"stack/stackless"));
+
 }
 
 
@@ -201,15 +224,75 @@ int VisualScriptFunction::get_argument_count() const {
 	return arguments.size();
 }
 
+class VisualScriptNodeInstanceFunction : public VisualScriptNodeInstance {
+public:
 
-VisualScriptNodeInstance* VisualScriptFunction::instance(VScriptInstance* p_instance) {
+	VisualScriptFunction *node;
+	VisualScriptInstance *instance;
 
-	return NULL;
+	//virtual int get_working_memory_size() const { return 0; }
+	//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
+	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		int ac = node->get_argument_count();
+
+		for(int i=0;i<ac;i++) {
+#ifdef DEBUG_ENABLED
+			Variant::Type expected = node->get_argument_type(i);
+			if (expected!=Variant::NIL) {
+				if (!Variant::can_convert_strict(p_inputs[i]->get_type(),expected)) {
+					r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+					r_error.expected=expected;
+					r_error.argument=i;
+					return 0;
+				}
+			}
+#endif
+
+			*p_outputs[i]=*p_inputs[i];
+		}
+
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptFunction::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceFunction * instance = memnew(VisualScriptNodeInstanceFunction );
+	instance->node=this;
+	instance->instance=p_instance;
+	return instance;
 }
 
 VisualScriptFunction::VisualScriptFunction() {
 
+	stack_size=256;
+	stack_less=false;
+}
 
+
+void VisualScriptFunction::set_stack_less(bool p_enable) {
+	stack_less=p_enable;
+	_change_notify();
+}
+
+bool VisualScriptFunction::is_stack_less() const {
+	return stack_less;
+}
+
+void VisualScriptFunction::set_stack_size(int p_size) {
+
+	ERR_FAIL_COND(p_size <1 || p_size>100000);
+	stack_size=p_size;
+}
+
+int VisualScriptFunction::get_stack_size() const {
+
+	return stack_size;
 }
 
 
@@ -425,9 +508,45 @@ void VisualScriptOperator::_bind_methods() {
 
 }
 
-VisualScriptNodeInstance* VisualScriptOperator::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceOperator : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+	bool unary;
+	Variant::Operator op;
+
+	//virtual int get_working_memory_size() const { return 0; }
+	//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
+	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		bool valid;
+		if (unary) {
+
+			Variant::evaluate(op,*p_inputs[0],Variant(),*p_outputs[0],valid);
+		} else {
+			Variant::evaluate(op,*p_inputs[0],*p_inputs[1],*p_outputs[0],valid);
+		}
+
+		if (!valid) {
+			r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+			if (p_outputs[0]->get_type()==Variant::STRING) {
+				r_error_str=*p_outputs[0];
+			}
+		}
+
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptOperator::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceOperator * instance = memnew(VisualScriptNodeInstanceOperator );
+	instance->unary=get_input_value_port_count()==1;
+	instance->op=op;
+	return instance;
 }
 
 VisualScriptOperator::VisualScriptOperator() {
@@ -447,50 +566,42 @@ static Ref<VisualScriptNode> create_op_node(const String& p_name) {
 }
 
 //////////////////////////////////////////
-////////////////VARIABLE//////////////////
+////////////////VARIABLE GET//////////////////
 //////////////////////////////////////////
 
-int VisualScriptVariable::get_output_sequence_port_count() const {
+int VisualScriptVariableGet::get_output_sequence_port_count() const {
+
+	return 0;
+}
+
+bool VisualScriptVariableGet::has_input_sequence_port() const{
+
+	return false;
+}
+
+int VisualScriptVariableGet::get_input_value_port_count() const{
+
+	return 0;
+}
+int VisualScriptVariableGet::get_output_value_port_count() const{
 
 	return 1;
 }
 
-bool VisualScriptVariable::has_input_sequence_port() const{
-
-	return true;
-}
-
-int VisualScriptVariable::get_input_value_port_count() const{
-
-	return 1;
-}
-int VisualScriptVariable::get_output_value_port_count() const{
-
-	return 1;
-}
-
-String VisualScriptVariable::get_output_sequence_port_text(int p_port) const {
+String VisualScriptVariableGet::get_output_sequence_port_text(int p_port) const {
 
 	return String();
 }
 
-PropertyInfo VisualScriptVariable::get_input_value_port_info(int p_idx) const{
+PropertyInfo VisualScriptVariableGet::get_input_value_port_info(int p_idx) const{
 
-	PropertyInfo pinfo;
-	pinfo.name="set";
-	if (get_visual_script().is_valid() && get_visual_script()->has_variable(variable)) {
-		PropertyInfo vinfo = get_visual_script()->get_variable_info(variable);
-		pinfo.type=vinfo.type;
-		pinfo.hint=vinfo.hint;
-		pinfo.hint_string=vinfo.hint_string;
-	}
-	return pinfo;
+	return PropertyInfo();
 }
 
-PropertyInfo VisualScriptVariable::get_output_value_port_info(int p_idx) const{
+PropertyInfo VisualScriptVariableGet::get_output_value_port_info(int p_idx) const{
 
 	PropertyInfo pinfo;
-	pinfo.name="get";
+	pinfo.name="value";
 	if (get_visual_script().is_valid() && get_visual_script()->has_variable(variable)) {
 		PropertyInfo vinfo = get_visual_script()->get_variable_info(variable);
 		pinfo.type=vinfo.type;
@@ -501,17 +612,17 @@ PropertyInfo VisualScriptVariable::get_output_value_port_info(int p_idx) const{
 }
 
 
-String VisualScriptVariable::get_caption() const {
+String VisualScriptVariableGet::get_caption() const {
 
 	return "Variable";
 }
 
-String VisualScriptVariable::get_text() const {
+String VisualScriptVariableGet::get_text() const {
 
 	return variable;
 }
 
-void VisualScriptVariable::set_variable(StringName p_variable) {
+void VisualScriptVariableGet::set_variable(StringName p_variable) {
 
 	if (variable==p_variable)
 		return;
@@ -520,12 +631,12 @@ void VisualScriptVariable::set_variable(StringName p_variable) {
 
 }
 
-StringName VisualScriptVariable::get_variable() const{
+StringName VisualScriptVariableGet::get_variable() const{
 
 	return variable;
 }
 
-void VisualScriptVariable::_validate_property(PropertyInfo& property) const {
+void VisualScriptVariableGet::_validate_property(PropertyInfo& property) const {
 
 	if (property.name=="variable/name" && get_visual_script().is_valid()) {
 		Ref<VisualScript> vs = get_visual_script();
@@ -545,22 +656,192 @@ void VisualScriptVariable::_validate_property(PropertyInfo& property) const {
 	}
 }
 
-void VisualScriptVariable::_bind_methods() {
+void VisualScriptVariableGet::_bind_methods() {
 
-	ObjectTypeDB::bind_method(_MD("set_variable","name"),&VisualScriptVariable::set_variable);
-	ObjectTypeDB::bind_method(_MD("get_variable"),&VisualScriptVariable::get_variable);
+	ObjectTypeDB::bind_method(_MD("set_variable","name"),&VisualScriptVariableGet::set_variable);
+	ObjectTypeDB::bind_method(_MD("get_variable"),&VisualScriptVariableGet::get_variable);
 
 
 	ADD_PROPERTY(PropertyInfo(Variant::STRING,"variable/name"),_SCS("set_variable"),_SCS("get_variable"));
 
 }
 
-VisualScriptNodeInstance* VisualScriptVariable::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceVariableGet : public VisualScriptNodeInstance {
+public:
+
+	VisualScriptVariableGet *node;
+	VisualScriptInstance *instance;
+	StringName variable;
+
+	//virtual int get_working_memory_size() const { return 0; }
+	virtual bool is_output_port_unsequenced(int p_idx) const { return true; }
+	virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const {
+
+		 if (instance->get_variable(variable,r_value)==false) {
+			 r_error=RTR("VariableGet not found in script: ")+"'"+String(variable)+"'";
+			 return false;
+		 } else {
+			 return true;
+		 }
+	}
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptVariableGet::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceVariableGet * instance = memnew(VisualScriptNodeInstanceVariableGet );
+	instance->node=this;
+	instance->instance=p_instance;
+	instance->variable=variable;
+	return instance;
+}
+VisualScriptVariableGet::VisualScriptVariableGet() {
+
 
-	return NULL;
 }
 
-VisualScriptVariable::VisualScriptVariable() {
+
+//////////////////////////////////////////
+////////////////VARIABLE GET//////////////////
+//////////////////////////////////////////
+
+int VisualScriptVariableSet::get_output_sequence_port_count() const {
+
+	return 1;
+}
+
+bool VisualScriptVariableSet::has_input_sequence_port() const{
+
+	return true;
+}
+
+int VisualScriptVariableSet::get_input_value_port_count() const{
+
+	return 1;
+}
+int VisualScriptVariableSet::get_output_value_port_count() const{
+
+	return 0;
+}
+
+String VisualScriptVariableSet::get_output_sequence_port_text(int p_port) const {
+
+	return String();
+}
+
+PropertyInfo VisualScriptVariableSet::get_input_value_port_info(int p_idx) const{
+
+	PropertyInfo pinfo;
+	pinfo.name="set";
+	if (get_visual_script().is_valid() && get_visual_script()->has_variable(variable)) {
+		PropertyInfo vinfo = get_visual_script()->get_variable_info(variable);
+		pinfo.type=vinfo.type;
+		pinfo.hint=vinfo.hint;
+		pinfo.hint_string=vinfo.hint_string;
+	}
+	return pinfo;
+}
+
+PropertyInfo VisualScriptVariableSet::get_output_value_port_info(int p_idx) const{
+
+	return PropertyInfo();
+}
+
+
+String VisualScriptVariableSet::get_caption() const {
+
+	return "VariableSet";
+}
+
+String VisualScriptVariableSet::get_text() const {
+
+	return variable;
+}
+
+void VisualScriptVariableSet::set_variable(StringName p_variable) {
+
+	if (variable==p_variable)
+		return;
+	variable=p_variable;
+	ports_changed_notify();
+
+}
+
+StringName VisualScriptVariableSet::get_variable() const{
+
+	return variable;
+}
+
+void VisualScriptVariableSet::_validate_property(PropertyInfo& property) const {
+
+	if (property.name=="variable/name" && get_visual_script().is_valid()) {
+		Ref<VisualScript> vs = get_visual_script();
+		List<StringName> vars;
+		vs->get_variable_list(&vars);
+
+		String vhint;
+		for (List<StringName>::Element *E=vars.front();E;E=E->next()) {
+			if (vhint!=String())
+				vhint+=",";
+
+			vhint+=E->get().operator String();
+		}
+
+		property.hint=PROPERTY_HINT_ENUM;
+		property.hint_string=vhint;
+	}
+}
+
+void VisualScriptVariableSet::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("set_variable","name"),&VisualScriptVariableSet::set_variable);
+	ObjectTypeDB::bind_method(_MD("get_variable"),&VisualScriptVariableSet::get_variable);
+
+
+	ADD_PROPERTY(PropertyInfo(Variant::STRING,"variable/name"),_SCS("set_variable"),_SCS("get_variable"));
+
+}
+
+class VisualScriptNodeInstanceVariableSet : public VisualScriptNodeInstance {
+public:
+
+	VisualScriptVariableSet *node;
+	VisualScriptInstance *instance;
+	StringName variable;
+
+	//virtual int get_working_memory_size() const { return 0; }
+	virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
+	virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return false; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		if (instance->set_variable(variable,*p_inputs[0])==false) {
+			r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD			;
+			r_error_str=RTR("VariableSet not found in script: ")+"'"+String(variable)+"'";
+		}
+
+
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptVariableSet::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceVariableSet * instance = memnew(VisualScriptNodeInstanceVariableSet );
+	instance->node=this;
+	instance->instance=p_instance;
+	instance->variable=variable;
+	return instance;
+}
+VisualScriptVariableSet::VisualScriptVariableSet() {
 
 
 }
@@ -679,9 +960,33 @@ void VisualScriptConstant::_bind_methods() {
 
 }
 
-VisualScriptNodeInstance* VisualScriptConstant::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceConstant : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+	Variant constant;
+	//virtual int get_working_memory_size() const { return 0; }
+	virtual bool is_output_port_unsequenced(int p_idx) const { return true; }
+	virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const {
+
+		*r_value=constant;
+
+		return true;
+
+	}
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptConstant::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceConstant * instance = memnew(VisualScriptNodeInstanceConstant );
+	instance->constant=value;
+	return instance;
 }
 
 VisualScriptConstant::VisualScriptConstant() {
@@ -747,11 +1052,34 @@ String VisualScriptIndexGet::get_text() const {
 }
 
 
-VisualScriptNodeInstance* VisualScriptIndexGet::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceIndexGet : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+
+	//virtual int get_working_memory_size() const { return 0; }
+	//virtual bool is_output_port_unsequenced(int p_idx) const { return true; }
+	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return false; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		bool valid;
+		*p_outputs[0] = p_inputs[0]->get(*p_inputs[1],&valid);
+
+		if (!valid) {
+			r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+			r_error_str="Invalid get: "+p_inputs[0]->get_construct_string();
+		}
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptIndexGet::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceIndexGet * instance = memnew(VisualScriptNodeInstanceIndexGet );
+	return instance;
 }
-
 VisualScriptIndexGet::VisualScriptIndexGet() {
 
 
@@ -816,11 +1144,35 @@ String VisualScriptIndexSet::get_text() const {
 }
 
 
-VisualScriptNodeInstance* VisualScriptIndexSet::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceIndexSet : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+
+	//virtual int get_working_memory_size() const { return 0; }
+	//virtual bool is_output_port_unsequenced(int p_idx) const { return true; }
+	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return false; }
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		bool valid;
+		*p_outputs[0]=*p_inputs[0];
+		p_outputs[0]->set(*p_inputs[1],*p_inputs[2],&valid);
+
+		if (!valid) {
+			r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
+			r_error_str="Invalid set: "+p_inputs[1]->get_construct_string();
+		}
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptIndexSet::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceIndexSet * instance = memnew(VisualScriptNodeInstanceIndexSet );
+	return instance;
 }
-
 VisualScriptIndexSet::VisualScriptIndexSet() {
 
 
@@ -889,10 +1241,33 @@ int VisualScriptGlobalConstant::get_global_constant() {
 }
 
 
+class VisualScriptNodeInstanceGlobalConstant : public VisualScriptNodeInstance {
+public:
 
-VisualScriptNodeInstance* VisualScriptGlobalConstant::instance(VScriptInstance* p_instance) {
+	int index;
+	//virtual int get_working_memory_size() const { return 0; }
+	virtual bool is_output_port_unsequenced(int p_idx) const { return true; }
+	virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const {
 
-	return NULL;
+		*r_value = GlobalConstants::get_global_constant_value(index);
+		return true;
+
+	}
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptGlobalConstant::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceGlobalConstant * instance = memnew(VisualScriptNodeInstanceGlobalConstant );
+	instance->index=index;
+	return instance;
 }
 
 void VisualScriptGlobalConstant::_bind_methods() {
@@ -931,6 +1306,17 @@ const char* VisualScriptMathConstant::const_name[MATH_CONSTANT_MAX]={
 	"E",
 	"Sqrt2",
 };
+
+double VisualScriptMathConstant::const_value[MATH_CONSTANT_MAX]={
+	1.0,
+	Math_PI,
+	Math_PI*2,
+	Math_PI*0.5,
+	2.71828182845904523536,
+	Math::sqrt(2.0)
+};
+
+
 int VisualScriptMathConstant::get_output_sequence_port_count() const {
 
 	return 0;
@@ -962,7 +1348,7 @@ PropertyInfo VisualScriptMathConstant::get_input_value_port_info(int p_idx) cons
 
 PropertyInfo VisualScriptMathConstant::get_output_value_port_info(int p_idx) const{
 
-	return PropertyInfo(Variant::INT,"value");
+	return PropertyInfo(Variant::REAL,"value");
 }
 
 
@@ -987,13 +1373,36 @@ VisualScriptMathConstant::MathConstant VisualScriptMathConstant::get_math_consta
 	return constant;
 }
 
+class VisualScriptNodeInstanceMathConstant : public VisualScriptNodeInstance {
+public:
+
+	float value;
+	//virtual int get_working_memory_size() const { return 0; }
+	virtual bool is_output_port_unsequenced(int p_idx) const { return true; }
+	virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const {
+
+		*r_value = value;
+		return true;
+
+	}
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
 
 
-VisualScriptNodeInstance* VisualScriptMathConstant::instance(VScriptInstance* p_instance) {
+		return 0;
+	}
 
-	return NULL;
+
+};
+
+VisualScriptNodeInstance* VisualScriptMathConstant::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceMathConstant * instance = memnew(VisualScriptNodeInstanceMathConstant );
+	instance->value=const_value[constant];
+	return instance;
 }
 
+
 void VisualScriptMathConstant::_bind_methods() {
 
 	ObjectTypeDB::bind_method(_MD("set_math_constant","which"),&VisualScriptMathConstant::set_math_constant);
@@ -1080,11 +1489,35 @@ String VisualScriptEngineSingleton::get_singleton() {
 
 
 
-VisualScriptNodeInstance* VisualScriptEngineSingleton::instance(VScriptInstance* p_instance) {
+class VisualScriptNodeInstanceEngineSingleton : public VisualScriptNodeInstance {
+public:
 
-	return NULL;
+	Object* singleton;
+
+	//virtual int get_working_memory_size() const { return 0; }
+	virtual bool is_output_port_unsequenced(int p_idx) const { return true; }
+	virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const {
+
+		*r_value=singleton;
+		return true;
+	}
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+
+		return 0;
+	}
+
+};
+
+VisualScriptNodeInstance* VisualScriptEngineSingleton::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceEngineSingleton * instance = memnew(VisualScriptNodeInstanceEngineSingleton );
+	instance->singleton=Globals::get_singleton()->get_singleton_object(singleton);
+	return instance;
 }
 
+
 void VisualScriptEngineSingleton::_bind_methods() {
 
 	ObjectTypeDB::bind_method(_MD("set_singleton","name"),&VisualScriptEngineSingleton::set_singleton);
@@ -1176,12 +1609,53 @@ NodePath VisualScriptSceneNode::get_node_path() {
 }
 
 
+class VisualScriptNodeInstanceSceneNode : public VisualScriptNodeInstance {
+public:
 
-VisualScriptNodeInstance* VisualScriptSceneNode::instance(VScriptInstance* p_instance) {
+	VisualScriptSceneNode *node;
+	VisualScriptInstance *instance;
+	NodePath path;
 
-	return NULL;
+	//virtual int get_working_memory_size() const { return 0; }
+	virtual bool is_output_port_unsequenced(int p_idx) const { return true; }
+	virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const {
+
+		Node* node = instance->get_owner_ptr()->cast_to<Node>();
+		if (!node) {
+			r_error="Base object is not a Node!";
+			return false;
+		}
+
+
+
+		Node* another = node->get_node(path);
+		if (!node) {
+			r_error="Path does not lead Node!";
+			return false;
+		}
+
+		*r_value=another;
+		return true;
+	}
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptSceneNode::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceSceneNode * instance = memnew(VisualScriptNodeInstanceSceneNode );
+	instance->node=this;
+	instance->instance=p_instance;
+	instance->path=path;
+	return instance;
 }
 
+
 #ifdef TOOLS_ENABLED
 
 static Node* _find_script_node(Node* p_edited_scene,Node* p_current_node,const Ref<Script> &script) {
@@ -1302,12 +1776,51 @@ String VisualScriptSceneTree::get_text() const {
 }
 
 
+class VisualScriptNodeInstanceSceneTree : public VisualScriptNodeInstance {
+public:
 
-VisualScriptNodeInstance* VisualScriptSceneTree::instance(VScriptInstance* p_instance) {
+	VisualScriptSceneTree *node;
+	VisualScriptInstance *instance;
 
-	return NULL;
+	//virtual int get_working_memory_size() const { return 0; }
+	virtual bool is_output_port_unsequenced(int p_idx) const { return true; }
+	virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const {
+
+		Node* node = instance->get_owner_ptr()->cast_to<Node>();
+		if (!node) {
+			r_error="Base object is not a Node!";
+			return false;
+		}
+
+		SceneTree* tree = node->get_tree();
+		if (!tree) {
+			r_error="Attempt to get SceneTree while node is not in the active tree.";
+			return false;
+		}
+
+		*r_value=tree;
+		return true;
+
+	}
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptSceneTree::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceSceneTree * instance = memnew(VisualScriptNodeInstanceSceneTree );
+	instance->node=this;
+	instance->instance=p_instance;
+	return instance;
 }
 
+
 void VisualScriptSceneTree::_validate_property(PropertyInfo& property) const {
 
 }
@@ -1382,10 +1895,31 @@ String VisualScriptResourcePath::get_resource_path() {
 }
 
 
+class VisualScriptNodeInstanceResourcePath : public VisualScriptNodeInstance {
+public:
 
-VisualScriptNodeInstance* VisualScriptResourcePath::instance(VScriptInstance* p_instance) {
+	String path;
 
-	return NULL;
+	//virtual int get_working_memory_size() const { return 0; }
+	virtual bool is_output_port_unsequenced(int p_idx) const { return true; }
+	virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const {
+		*r_value = path;
+		return true;
+	}
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptResourcePath::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceResourcePath * instance = memnew(VisualScriptNodeInstanceResourcePath );
+	instance->path=path;
+	return instance;
 }
 
 
@@ -1404,9 +1938,104 @@ VisualScriptResourcePath::VisualScriptResourcePath() {
 }
 
 
+
+//////////////////////////////////////////
+////////////////RESPATH///////////
+//////////////////////////////////////////
+
+int VisualScriptSelf::get_output_sequence_port_count() const {
+
+	return 0;
+}
+
+bool VisualScriptSelf::has_input_sequence_port() const{
+
+	return false;
+}
+
+int VisualScriptSelf::get_input_value_port_count() const{
+
+	return 0;
+}
+int VisualScriptSelf::get_output_value_port_count() const{
+
+	return 1;
+}
+
+String VisualScriptSelf::get_output_sequence_port_text(int p_port) const {
+
+	return String();
+}
+
+PropertyInfo VisualScriptSelf::get_input_value_port_info(int p_idx) const{
+
+	return PropertyInfo();
+}
+
+PropertyInfo VisualScriptSelf::get_output_value_port_info(int p_idx) const{
+
+	return PropertyInfo(Variant::OBJECT,"instance");
+}
+
+
+String VisualScriptSelf::get_caption() const {
+
+	return "Self";
+}
+
+String VisualScriptSelf::get_text() const {
+
+	if (get_visual_script().is_valid())
+		return get_visual_script()->get_instance_base_type();
+	else
+		return "";
+}
+
+
+class VisualScriptNodeInstanceSelf : public VisualScriptNodeInstance {
+public:
+
+	VisualScriptInstance* instance;
+
+	//virtual int get_working_memory_size() const { return 0; }
+	virtual bool is_output_port_unsequenced(int p_idx) const { return true; }
+	virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const {
+
+		*r_value = instance->get_owner_ptr();
+		return true;
+	}
+
+	virtual int step(const Variant** p_inputs,Variant** p_outputs,bool p_start_sequence,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
+
+		return 0;
+	}
+
+
+};
+
+VisualScriptNodeInstance* VisualScriptSelf::instance(VisualScriptInstance* p_instance) {
+
+	VisualScriptNodeInstanceSelf * instance = memnew(VisualScriptNodeInstanceSelf );
+	instance->instance=p_instance;
+	return instance;
+}
+
+
+
+void VisualScriptSelf::_bind_methods() {
+
+}
+
+VisualScriptSelf::VisualScriptSelf() {
+
+
+}
+
+
 void register_visual_script_nodes() {
 
-	VisualScriptLanguage::singleton->add_register_func("data/variable",create_node_generic<VisualScriptVariable>);
+	VisualScriptLanguage::singleton->add_register_func("data/set_variable",create_node_generic<VisualScriptVariableGet>);
+	VisualScriptLanguage::singleton->add_register_func("data/get_variable",create_node_generic<VisualScriptVariableSet>);
 	VisualScriptLanguage::singleton->add_register_func("data/constant",create_node_generic<VisualScriptConstant>);
 	VisualScriptLanguage::singleton->add_register_func("data/global_constant",create_node_generic<VisualScriptGlobalConstant>);
 	VisualScriptLanguage::singleton->add_register_func("data/math_constant",create_node_generic<VisualScriptMathConstant>);
@@ -1414,6 +2043,7 @@ void register_visual_script_nodes() {
 	VisualScriptLanguage::singleton->add_register_func("data/scene_node",create_node_generic<VisualScriptSceneNode>);
 	VisualScriptLanguage::singleton->add_register_func("data/scene_tree",create_node_generic<VisualScriptSceneTree>);
 	VisualScriptLanguage::singleton->add_register_func("data/resource_path",create_node_generic<VisualScriptResourcePath>);
+	VisualScriptLanguage::singleton->add_register_func("data/self",create_node_generic<VisualScriptSelf>);
 
 
 	VisualScriptLanguage::singleton->add_register_func("index/get_index",create_node_generic<VisualScriptIndexGet>);
diff --git a/modules/visual_script/visual_script_nodes.h b/modules/visual_script/visual_script_nodes.h
index 6080050d785..fe0092fd040 100644
--- a/modules/visual_script/visual_script_nodes.h
+++ b/modules/visual_script/visual_script_nodes.h
@@ -14,6 +14,10 @@ class VisualScriptFunction : public VisualScriptNode {
 	};
 
 	Vector<Argument> arguments;
+
+	bool stack_less;
+	int stack_size;
+
 protected:
 
 	bool _set(const StringName& p_name, const Variant& p_value);
@@ -38,6 +42,7 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "flow_control"; }
 
 	void add_argument(Variant::Type p_type,const String& p_name,int p_index=-1);
 	void set_argument_type(int p_argidx,Variant::Type p_type);
@@ -47,7 +52,14 @@ public:
 	void remove_argument(int p_argidx);
 	int get_argument_count() const;
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+
+	void set_stack_less(bool p_enable);
+	bool is_stack_less() const;
+
+	void set_stack_size(int p_size);
+	int get_stack_size() const;
+
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptFunction();
 };
@@ -80,19 +92,20 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "operators"; }
 
 	void set_operator(Variant::Operator p_op);
 	Variant::Operator get_operator() const;
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptOperator();
 };
 
 
-class VisualScriptVariable : public VisualScriptNode {
+class VisualScriptVariableGet : public VisualScriptNode {
 
-	OBJ_TYPE(VisualScriptVariable,VisualScriptNode)
+	OBJ_TYPE(VisualScriptVariableGet,VisualScriptNode)
 
 
 	StringName variable;
@@ -118,15 +131,56 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "data"; }
 
 	void set_variable(StringName p_var);
 	StringName get_variable() const;
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
-	VisualScriptVariable();
+	VisualScriptVariableGet();
 };
 
+
+class VisualScriptVariableSet : public VisualScriptNode {
+
+	OBJ_TYPE(VisualScriptVariableSet,VisualScriptNode)
+
+
+	StringName variable;
+protected:
+
+	virtual void _validate_property(PropertyInfo& property) const;
+	static void _bind_methods();
+public:
+
+	virtual int get_output_sequence_port_count() const;
+	virtual bool has_input_sequence_port() const;
+
+
+	virtual String get_output_sequence_port_text(int p_port) const;
+
+
+	virtual int get_input_value_port_count() const;
+	virtual int get_output_value_port_count() const;
+
+
+	virtual PropertyInfo get_input_value_port_info(int p_idx) const;
+	virtual PropertyInfo get_output_value_port_info(int p_idx) const;
+
+	virtual String get_caption() const;
+	virtual String get_text() const;
+	virtual String get_category() const { return "data"; }
+
+	void set_variable(StringName p_var);
+	StringName get_variable() const;
+
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
+
+	VisualScriptVariableSet();
+};
+
+
 class VisualScriptConstant : public VisualScriptNode {
 
 	OBJ_TYPE(VisualScriptConstant,VisualScriptNode)
@@ -156,6 +210,7 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "data"; }
 
 	void set_constant_type(Variant::Type p_type);
 	Variant::Type get_constant_type() const;
@@ -163,7 +218,7 @@ public:
 	void set_constant_value(Variant p_value);
 	Variant get_constant_value() const;
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptConstant();
 };
@@ -192,8 +247,9 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "operators"; }
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptIndexGet();
 };
@@ -222,8 +278,9 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "operators"; }
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptIndexSet();
 };
@@ -255,11 +312,12 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "data"; }
 
 	void set_global_constant(int p_which);
 	int get_global_constant();
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptGlobalConstant();
 };
@@ -283,6 +341,7 @@ public:
 
 private:
 	static const char* const_name[MATH_CONSTANT_MAX];
+	static double const_value[MATH_CONSTANT_MAX];
 	MathConstant constant;
 protected:
 	static void _bind_methods();
@@ -304,11 +363,12 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "data"; }
 
 	void set_math_constant(MathConstant p_which);
 	MathConstant get_math_constant();
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptMathConstant();
 };
@@ -340,11 +400,12 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "data"; }
 
 	void set_singleton(const String &p_string);
 	String get_singleton();
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptEngineSingleton();
 };
@@ -378,11 +439,12 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "data"; }
 
 	void set_node_path(const NodePath &p_path);
 	NodePath get_node_path();
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptSceneNode();
 };
@@ -416,8 +478,9 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "data"; }
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptSceneTree();
 };
@@ -450,16 +513,54 @@ public:
 
 	virtual String get_caption() const;
 	virtual String get_text() const;
+	virtual String get_category() const { return "data"; }
 
 	void set_resource_path(const String &p_path);
 	String get_resource_path();
 
-	virtual VisualScriptNodeInstance* instance(VScriptInstance* p_instance);
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
 
 	VisualScriptResourcePath();
 };
 
 
+class VisualScriptSelf : public VisualScriptNode {
+
+	OBJ_TYPE(VisualScriptSelf,VisualScriptNode)
+
+
+protected:
+
+	static void _bind_methods();
+public:
+
+	virtual int get_output_sequence_port_count() const;
+	virtual bool has_input_sequence_port() const;
+
+
+	virtual String get_output_sequence_port_text(int p_port) const;
+
+
+	virtual int get_input_value_port_count() const;
+	virtual int get_output_value_port_count() const;
+
+
+	virtual PropertyInfo get_input_value_port_info(int p_idx) const;
+	virtual PropertyInfo get_output_value_port_info(int p_idx) const;
+
+	virtual String get_caption() const;
+	virtual String get_text() const;
+	virtual String get_category() const { return "data"; }
+
+	void set_resource_path(const String &p_path);
+	String get_resource_path();
+
+	virtual VisualScriptNodeInstance* instance(VisualScriptInstance* p_instance);
+
+	VisualScriptSelf();
+};
+
+
 void register_visual_script_nodes();
 
 #endif // VISUAL_SCRIPT_NODES_H
diff --git a/scene/gui/container.cpp b/scene/gui/container.cpp
index 920c6bf1e67..feaf516f42d 100644
--- a/scene/gui/container.cpp
+++ b/scene/gui/container.cpp
@@ -41,6 +41,8 @@ void Container::_child_minsize_changed() {
 
 void Container::add_child_notify(Node *p_child) {
 
+	Control::add_child_notify(p_child);
+
 	Control *control = p_child->cast_to<Control>();
 	if (!control)
 		return;
@@ -50,18 +52,24 @@ void Container::add_child_notify(Node *p_child) {
 	control->connect("visibility_changed",this,"_child_minsize_changed");
 	queue_sort();
 
+
 }
 
 void Container::move_child_notify(Node *p_child) {
 
+	Control::move_child_notify(p_child);
+
 	if (!p_child->cast_to<Control>())
 		return;
 
 	queue_sort();
+
+
 }
 
 void Container::remove_child_notify(Node *p_child) {
 
+	Control::remove_child_notify(p_child);
 
 	Control *control = p_child->cast_to<Control>();
 	if (!control)
diff --git a/scene/gui/control.cpp b/scene/gui/control.cpp
index c08e10b9ffe..71ec508c818 100644
--- a/scene/gui/control.cpp
+++ b/scene/gui/control.cpp
@@ -422,6 +422,32 @@ void Control::_resize(const Size2& p_size) {
 	_size_changed();
 }
 
+//moved theme configuration here, so controls can set up even if still not inside active scene
+
+void Control::add_child_notify(Node *p_child) {
+
+	Control *child_c=p_child->cast_to<Control>();
+	if (!child_c)
+		return;
+
+	if (child_c->data.theme.is_null() && data.theme_owner) {
+		child_c->data.theme_owner=data.theme_owner;
+		child_c->notification(NOTIFICATION_THEME_CHANGED);
+	}
+}
+
+void Control::remove_child_notify(Node *p_child) {
+
+	Control *child_c=p_child->cast_to<Control>();
+	if (!child_c)
+		return;
+
+	if (child_c->data.theme_owner && child_c->data.theme.is_null()) {
+		child_c->data.theme_owner=NULL;
+		//notification(NOTIFICATION_THEME_CHANGED);
+	}
+
+}
 
 
 void Control::_notification(int p_notification) {
@@ -512,10 +538,10 @@ void Control::_notification(int p_notification) {
 			}
 
 
-			if (data.theme.is_null() && data.parent && data.parent->data.theme_owner) {
-				data.theme_owner=data.parent->data.theme_owner;
-				notification(NOTIFICATION_THEME_CHANGED);
-			}
+			//if (data.theme.is_null() && data.parent && data.parent->data.theme_owner) {
+			//	data.theme_owner=data.parent->data.theme_owner;
+			//	notification(NOTIFICATION_THEME_CHANGED);
+			//}
 
 		} break;
 		case NOTIFICATION_EXIT_CANVAS: {
@@ -547,10 +573,10 @@ void Control::_notification(int p_notification) {
 
 			data.parent=NULL;
 			data.parent_canvas_item=NULL;
-			if (data.theme_owner && data.theme.is_null()) {
-				data.theme_owner=NULL;
+			//if (data.theme_owner && data.theme.is_null()) {
+			//	data.theme_owner=NULL;
 				//notification(NOTIFICATION_THEME_CHANGED);
-			}
+			//}
 
 		} break;
 		 case NOTIFICATION_MOVED_IN_PARENT: {
diff --git a/scene/gui/control.h b/scene/gui/control.h
index 1337cbc4b9c..b9ac53067a5 100644
--- a/scene/gui/control.h
+++ b/scene/gui/control.h
@@ -194,12 +194,16 @@ private:
 	void _font_changed();
 
 
+
 friend class Viewport;
 	void _modal_stack_remove();
 	void _modal_set_prev_focus_owner(ObjectID p_prev);
 
 protected:
 
+	virtual void add_child_notify(Node *p_child);
+	virtual void remove_child_notify(Node *p_child);
+
 	//virtual void _window_input_event(InputEvent p_event);
 
 	bool _set(const StringName& p_name, const Variant& p_value);
diff --git a/scene/gui/graph_edit.cpp b/scene/gui/graph_edit.cpp
index c488dd0d16c..888e884d874 100644
--- a/scene/gui/graph_edit.cpp
+++ b/scene/gui/graph_edit.cpp
@@ -196,6 +196,8 @@ void GraphEdit::_graph_node_moved(Node *p_gn) {
 
 void GraphEdit::add_child_notify(Node *p_child) {
 
+	Control::add_child_notify(p_child);
+
 	top_layer->call_deferred("raise"); //top layer always on top!
 	GraphNode *gn = p_child->cast_to<GraphNode>();
 	if (gn) {
@@ -205,10 +207,14 @@ void GraphEdit::add_child_notify(Node *p_child) {
 		_graph_node_moved(gn);
 		gn->set_stop_mouse(false);
 	}
+
+
 }
 
 void GraphEdit::remove_child_notify(Node *p_child) {
 
+	Control::remove_child_notify(p_child);
+
 	top_layer->call_deferred("raise"); //top layer always on top!
 	GraphNode *gn = p_child->cast_to<GraphNode>();
 	if (gn) {
diff --git a/scene/gui/graph_node.cpp b/scene/gui/graph_node.cpp
index 1efc9a1ceb8..a4776aebde7 100644
--- a/scene/gui/graph_node.cpp
+++ b/scene/gui/graph_node.cpp
@@ -189,6 +189,8 @@ void GraphNode::_notification(int p_what) {
 	if (p_what==NOTIFICATION_DRAW) {
 
 		Ref<StyleBox> sb=get_stylebox(selected ? "selectedframe" : "frame");
+		sb=sb->duplicate();
+		sb->call("set_modulate",modulate);
 		Ref<Texture> port =get_icon("port");
 		Ref<Texture> close =get_icon("close");
 		int close_offset = get_constant("close_offset");
@@ -198,6 +200,9 @@ void GraphNode::_notification(int p_what) {
 		Point2i icofs = -port->get_size()*0.5;
 		int edgeofs=get_constant("port_offset");
 		icofs.y+=sb->get_margin(MARGIN_TOP);
+
+
+
 		draw_style_box(sb,Rect2(Point2(),get_size()));
 
 		int w = get_size().width-sb->get_minimum_size().x;
@@ -590,6 +595,16 @@ void GraphNode::_input_event(const InputEvent& p_ev) {
 
 }
 
+void GraphNode::set_modulate(const Color &p_color) {
+
+	modulate=p_color;
+	update();
+}
+
+Color GraphNode::get_modulate() const{
+
+	return modulate;
+}
 
 void GraphNode::_bind_methods() {
 
@@ -620,6 +635,8 @@ void GraphNode::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("get_connection_input_type","idx"),&GraphNode::get_connection_input_type);
 	ObjectTypeDB::bind_method(_MD("get_connection_input_color","idx"),&GraphNode::get_connection_input_color);
 
+	ObjectTypeDB::bind_method(_MD("set_modulate","color"),&GraphNode::set_modulate);
+	ObjectTypeDB::bind_method(_MD("get_modulate"),&GraphNode::get_modulate);
 
 	ObjectTypeDB::bind_method(_MD("set_show_close_button","show"),&GraphNode::set_show_close_button);
 	ObjectTypeDB::bind_method(_MD("is_close_button_visible"),&GraphNode::is_close_button_visible);
@@ -637,4 +654,5 @@ GraphNode::GraphNode() {
 	show_close=false;
 	connpos_dirty=true;
 	set_stop_mouse(false);
+	modulate=Color(1,1,1,1);
 }
diff --git a/scene/gui/graph_node.h b/scene/gui/graph_node.h
index f308f30b811..3e1729440e7 100644
--- a/scene/gui/graph_node.h
+++ b/scene/gui/graph_node.h
@@ -77,6 +77,8 @@ class GraphNode : public Container {
 
 	Vector2 drag_from;
 	bool selected;
+
+	Color modulate;
 protected:
 
 
@@ -128,6 +130,9 @@ public:
 	Color get_connection_output_color(int p_idx);
 
 
+	void set_modulate(const Color& p_color);
+	Color get_modulate() const;
+
 	virtual Size2 get_minimum_size() const;
 
 	GraphNode();
diff --git a/scene/gui/tab_container.cpp b/scene/gui/tab_container.cpp
index 0e0339c4887..8557500488b 100644
--- a/scene/gui/tab_container.cpp
+++ b/scene/gui/tab_container.cpp
@@ -400,6 +400,7 @@ void TabContainer::_child_renamed_callback() {
 
 void TabContainer::add_child_notify(Node *p_child) {
 
+	Control::add_child_notify(p_child);
 
 	Control *c = p_child->cast_to<Control>();
 	if (!c)
@@ -532,6 +533,8 @@ Control* TabContainer::get_current_tab_control() const {
 
 void TabContainer::remove_child_notify(Node *p_child) {
 
+	Control::remove_child_notify(p_child);
+
 	int tc = get_tab_count();
 	if (current==tc-1) {
 		current--;
diff --git a/scene/resources/style_box.cpp b/scene/resources/style_box.cpp
index 8580ffdc5a5..59246dfabee 100644
--- a/scene/resources/style_box.cpp
+++ b/scene/resources/style_box.cpp
@@ -141,7 +141,7 @@ void StyleBoxTexture::draw(RID p_canvas_item,const Rect2& p_rect) const {
 	r.pos.y-=expand_margin[MARGIN_TOP];
 	r.size.x+=expand_margin[MARGIN_LEFT]+expand_margin[MARGIN_RIGHT];
 	r.size.y+=expand_margin[MARGIN_TOP]+expand_margin[MARGIN_BOTTOM];
-	VisualServer::get_singleton()->canvas_item_add_style_box( p_canvas_item,r,region_rect,texture->get_rid(),Vector2(margin[MARGIN_LEFT],margin[MARGIN_TOP]),Vector2(margin[MARGIN_RIGHT],margin[MARGIN_BOTTOM]),draw_center);
+	VisualServer::get_singleton()->canvas_item_add_style_box( p_canvas_item,r,region_rect,texture->get_rid(),Vector2(margin[MARGIN_LEFT],margin[MARGIN_TOP]),Vector2(margin[MARGIN_RIGHT],margin[MARGIN_BOTTOM]),draw_center,modulate);
 }
 
 void StyleBoxTexture::set_draw_center(bool p_draw) {
@@ -193,6 +193,19 @@ Rect2 StyleBoxTexture::get_region_rect() const {
 }
 
 
+void StyleBoxTexture::set_modulate(const Color& p_modulate) {
+	if (modulate==p_modulate)
+		return;
+	modulate=p_modulate;
+	emit_changed();
+}
+
+Color StyleBoxTexture::get_modulate() const {
+
+	return modulate;
+}
+
+
 void StyleBoxTexture::_bind_methods() {
 
 	ObjectTypeDB::bind_method(_MD("set_texture","texture:Texture"),&StyleBoxTexture::set_texture);
@@ -210,6 +223,10 @@ void StyleBoxTexture::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("set_draw_center","enable"),&StyleBoxTexture::set_draw_center);
 	ObjectTypeDB::bind_method(_MD("get_draw_center"),&StyleBoxTexture::get_draw_center);
 
+	ObjectTypeDB::bind_method(_MD("set_modulate","color"),&StyleBoxTexture::set_modulate);
+	ObjectTypeDB::bind_method(_MD("get_modulate"),&StyleBoxTexture::get_modulate);
+
+
 	ADD_SIGNAL(MethodInfo("texture_changed"));
 
 	ADD_PROPERTY( PropertyInfo( Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture" ), _SCS("set_texture"),_SCS("get_texture") );
@@ -222,6 +239,7 @@ void StyleBoxTexture::_bind_methods() {
 	ADD_PROPERTYI( PropertyInfo( Variant::REAL, "expand_margin/right", PROPERTY_HINT_RANGE,"0,2048,1" ), _SCS("set_expand_margin_size"),_SCS("get_expand_margin_size"), MARGIN_RIGHT );
 	ADD_PROPERTYI( PropertyInfo( Variant::REAL, "expand_margin/top", PROPERTY_HINT_RANGE,"0,2048,1" ), _SCS("set_expand_margin_size"),_SCS("get_expand_margin_size"), MARGIN_TOP );
 	ADD_PROPERTYI( PropertyInfo( Variant::REAL, "expand_margin/bottom", PROPERTY_HINT_RANGE,"0,2048,1" ), _SCS("set_expand_margin_size"),_SCS("get_expand_margin_size"), MARGIN_BOTTOM );
+	ADD_PROPERTY( PropertyInfo( Variant::COLOR, "modulate/color" ), _SCS("set_modulate"),_SCS("get_modulate"));
 	ADD_PROPERTY( PropertyInfo( Variant::BOOL, "draw_center" ) , _SCS("set_draw_center"),_SCS("get_draw_center"));
 
 }
@@ -234,6 +252,7 @@ StyleBoxTexture::StyleBoxTexture() {
 		expand_margin[i]=0;
 	}
 	draw_center=true;
+	modulate=Color(1,1,1,1);
 
 }
 StyleBoxTexture::~StyleBoxTexture() {
diff --git a/scene/resources/style_box.h b/scene/resources/style_box.h
index 98aaee754be..f667318e247 100644
--- a/scene/resources/style_box.h
+++ b/scene/resources/style_box.h
@@ -84,6 +84,7 @@ class StyleBoxTexture : public StyleBox {
 	Rect2 region_rect;
 	Ref<Texture> texture;
 	bool draw_center;
+	Color modulate;
 
 
 protected:
@@ -109,6 +110,9 @@ public:
 	bool get_draw_center() const;
 	virtual Size2 get_center_size() const;
 
+	void set_modulate(const Color& p_modulate);
+	Color get_modulate() const;
+
 
 	virtual void draw(RID p_canvas_item,const Rect2& p_rect) const;
 
diff --git a/tools/editor/editor_settings.cpp b/tools/editor/editor_settings.cpp
index 9dcf71e256c..11402c64e98 100644
--- a/tools/editor/editor_settings.cpp
+++ b/tools/editor/editor_settings.cpp
@@ -647,6 +647,11 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 
 	set("import/automatic_reimport_on_sources_changed",true);
 
+	set("visual_script/color_functions",Color(1,0.9,0.9));
+	set("visual_script/color_data",Color(0.9,1.0,0.9));
+	set("visual_script/color_operators",Color(0.9,0.9,1.0));
+	set("visual_script/color_flow_control",Color(1.0,1.0,0.8));
+
 	if (p_extra_config.is_valid()) {
 
 		if (p_extra_config->has_section("init_projects") && p_extra_config->has_section_key("init_projects", "list")) {
@@ -945,6 +950,8 @@ bool EditorSettings::_save_text_editor_theme(String p_file) {
 	cf->set_value(theme_section, "word_highlighted_color", ((Color)get("text_editor/word_highlighted_color")).to_html());
 	cf->set_value(theme_section, "search_result_color", ((Color)get("text_editor/search_result_color")).to_html());
 	cf->set_value(theme_section, "search_result_border_color", ((Color)get("text_editor/search_result_border_color")).to_html());
+
+
 	Error err = cf->save(p_file);
 
 	if (err == OK) {
diff --git a/tools/editor/script_create_dialog.cpp b/tools/editor/script_create_dialog.cpp
index e93a40efbce..749198314a5 100644
--- a/tools/editor/script_create_dialog.cpp
+++ b/tools/editor/script_create_dialog.cpp
@@ -117,20 +117,20 @@ void ScriptCreateDialog::ok_pressed() {
 
 
 
-	String text = ScriptServer::get_language( language_menu->get_selected() )->get_template(cname,parent_name->get_text());
-	Script *script = ScriptServer::get_language( language_menu->get_selected() )->create_script();
-	script->set_source_code(text);
+
+	Ref<Script> scr = ScriptServer::get_language( language_menu->get_selected() )->get_template(cname,parent_name->get_text());
+	//scr->set_source_code(text);
+
+
 	if (cname!="")
-		script->set_name(cname);
+		scr->set_name(cname);
 
 
-	Ref<Script> scr(script);
-
 	if (!internal->is_pressed()) {
 
 
 		String lpath = Globals::get_singleton()->localize_path(file_path->get_text());
-		script->set_path(lpath);
+		scr->set_path(lpath);
 		if (!path_valid) {
 
 			alert->set_text(TTR("Invalid path!"));
@@ -145,7 +145,7 @@ void ScriptCreateDialog::ok_pressed() {
 			alert->popup_centered_minsize();
 			return;
 		}
-		scr->set_path(lpath);
+		//scr->set_path(lpath);
 	//EditorFileSystem::get_singleton()->update_file(lpath,scr->get_type());