godot/modules/visual_script/visual_script_func_nodes.cpp

#include "visual_script_func_nodes.h"
#include "scene/main/scene_main_loop.h"
#include "os/os.h"
#include "scene/main/node.h"
#include "visual_script_nodes.h"
#include "io/resource_loader.h"
#include "globals.h"

//////////////////////////////////////////
////////////////CALL//////////////////////
//////////////////////////////////////////

int VisualScriptFunctionCall::get_output_sequence_port_count() const {

	if (method_cache.flags&METHOD_FLAG_CONST || call_mode==CALL_MODE_BASIC_TYPE)
		return 0;
	else
		return 1;
}

bool VisualScriptFunctionCall::has_input_sequence_port() const{

	if (method_cache.flags&METHOD_FLAG_CONST || call_mode==CALL_MODE_BASIC_TYPE)
		return false;
	else
		return true;
}
#ifdef TOOLS_ENABLED

static Node* _find_script_node(Node* p_edited_scene,Node* p_current_node,const Ref<Script> &script) {

	if (p_edited_scene!=p_current_node && p_current_node->get_owner()!=p_edited_scene)
		return NULL;

	Ref<Script> scr = p_current_node->get_script();

	if (scr.is_valid() && scr==script)
		return p_current_node;

	for(int i=0;i<p_current_node->get_child_count();i++) {
		Node *n = _find_script_node(p_edited_scene,p_current_node->get_child(i),script);
		if (n)
			return n;
	}

	return NULL;
}

#endif
Node *VisualScriptFunctionCall::_get_base_node() const {

#ifdef TOOLS_ENABLED
	Ref<Script> script = get_visual_script();
	if (!script.is_valid())
		return NULL;

	MainLoop * main_loop = OS::get_singleton()->get_main_loop();
	if (!main_loop)
		return NULL;

	SceneTree *scene_tree = main_loop->cast_to<SceneTree>();

	if (!scene_tree)
		return NULL;

	Node *edited_scene = scene_tree->get_edited_scene_root();

	if (!edited_scene)
		return NULL;

	Node* script_node = _find_script_node(edited_scene,edited_scene,script);

	if (!script_node)
		return NULL;

	if (!script_node->has_node(base_path))
		return NULL;

	Node *path_to = script_node->get_node(base_path);

	return path_to;
#else

	return NULL;
#endif
}

StringName VisualScriptFunctionCall::_get_base_type() const {

	if (call_mode==CALL_MODE_SELF && get_visual_script().is_valid())
		return get_visual_script()->get_instance_base_type();
	else if (call_mode==CALL_MODE_NODE_PATH && get_visual_script().is_valid()) {
		Node *path = _get_base_node();
		if (path)
			return path->get_class();

	}

	return base_type;
}


int VisualScriptFunctionCall::get_input_value_port_count() const{

	if (call_mode==CALL_MODE_BASIC_TYPE) {


		Vector<StringName> names = Variant::get_method_argument_names(basic_type,function);
		return names.size() + (rpc_call_mode>=RPC_RELIABLE_TO_ID?1:0) + 1;

	} else {

		MethodBind *mb = ClassDB::get_method(_get_base_type(),function);
		if (mb) {
			return mb->get_argument_count() + (call_mode==CALL_MODE_INSTANCE?1:0) + (rpc_call_mode>=RPC_RELIABLE_TO_ID?1:0) - use_default_args;
		}

		return method_cache.arguments.size() + (call_mode==CALL_MODE_INSTANCE?1:0) + (rpc_call_mode>=RPC_RELIABLE_TO_ID?1:0) - use_default_args;
	}

}
int VisualScriptFunctionCall::get_output_value_port_count() const{

	if (call_mode==CALL_MODE_BASIC_TYPE) {

		bool returns=false;
		Variant::get_method_return_type(basic_type,function,&returns);
		return returns?1:0;

	} else {
		int ret;
		MethodBind *mb = ClassDB::get_method(_get_base_type(),function);
		if (mb) {
			ret = mb->has_return() ? 1 : 0;
		} else
			ret = 1; //it is assumed that script always returns something

		if (call_mode==CALL_MODE_INSTANCE) {
			ret++;
		}

		return ret;
	}
}

String VisualScriptFunctionCall::get_output_sequence_port_text(int p_port) const {

	return String();
}

PropertyInfo VisualScriptFunctionCall::get_input_value_port_info(int p_idx) const{

	if (call_mode==CALL_MODE_INSTANCE || call_mode==CALL_MODE_BASIC_TYPE) {
		if (p_idx==0) {
			PropertyInfo pi;
			pi.type=(call_mode==CALL_MODE_INSTANCE?Variant::OBJECT:basic_type);
			pi.name=(call_mode==CALL_MODE_INSTANCE?String("instance"):Variant::get_type_name(basic_type).to_lower());
			return pi;
		} else {
			p_idx--;
		}
	}

	if (rpc_call_mode>=RPC_RELIABLE_TO_ID) {

		if (p_idx==0)  {
			return PropertyInfo(Variant::INT,"peer_id");
		} else {
			p_idx--;
		}

	}

#ifdef DEBUG_METHODS_ENABLED

	if (call_mode==CALL_MODE_BASIC_TYPE) {


		Vector<StringName> names = Variant::get_method_argument_names(basic_type,function);
		Vector<Variant::Type> types = Variant::get_method_argument_types(basic_type,function);
		return PropertyInfo(types[p_idx],names[p_idx]);

	} else {

		MethodBind *mb = ClassDB::get_method(_get_base_type(),function);
		if (mb) {
			return mb->get_argument_info(p_idx);
		}

		if (p_idx>=0 && p_idx < method_cache.arguments.size()) {
			return method_cache.arguments[p_idx];
		}

		return PropertyInfo();
	}
#else
	return PropertyInfo();
#endif

}

PropertyInfo VisualScriptFunctionCall::get_output_value_port_info(int p_idx) const{


#ifdef DEBUG_METHODS_ENABLED

	if (call_mode==CALL_MODE_BASIC_TYPE) {


		return PropertyInfo(Variant::get_method_return_type(basic_type,function),"");
	} else {

		if (call_mode==CALL_MODE_INSTANCE) {
			if (p_idx==0) {
				return PropertyInfo(Variant::OBJECT,"pass");
			} else {
				p_idx--;
			}
		}

		PropertyInfo ret;

		/*MethodBind *mb = ClassDB::get_method(_get_base_type(),function);
		if (mb) {

			ret = mb->get_argument_info(-1);
		} else {*/

		ret = method_cache.return_val;

		//}

		if (call_mode==CALL_MODE_INSTANCE) {
			ret.name="return";
		} else {
			ret.name="";
		}
		return ret;


	}
#else
	return PropertyInfo();
#endif
}


String VisualScriptFunctionCall::get_caption() const {

	static const char*cname[5]= {
		"CallSelf",
		"CallNode",
		"CallInstance",
		"CallBasic",
		"CallSingleton"
	};

	String caption = cname[call_mode];

	if (rpc_call_mode) {
		caption+=" (RPC)";
	}

	return caption;
}

String VisualScriptFunctionCall::get_text() const {

	if (call_mode==CALL_MODE_SELF)
		return "  "+String(function)+"()";
	if (call_mode==CALL_MODE_SINGLETON)
		return String(singleton)+":"+String(function)+"()";
	else if (call_mode==CALL_MODE_BASIC_TYPE)
		return Variant::get_type_name(basic_type)+"."+String(function)+"()";
	else if (call_mode==CALL_MODE_NODE_PATH)
		return " ["+String(base_path.simplified())+"]."+String(function)+"()";
	else
		return "  "+base_type+"."+String(function)+"()";

}


void VisualScriptFunctionCall::set_basic_type(Variant::Type p_type) {

	if (basic_type==p_type)
		return;
	basic_type=p_type;


	_change_notify();
	ports_changed_notify();
}

Variant::Type VisualScriptFunctionCall::get_basic_type() const{

	return basic_type;
}

void VisualScriptFunctionCall::set_base_type(const StringName& p_type) {

	if (base_type==p_type)
		return;

	base_type=p_type;
	_change_notify();
	ports_changed_notify();
}

StringName VisualScriptFunctionCall::get_base_type() const{

	return base_type;
}

void VisualScriptFunctionCall::set_base_script(const String& p_path) {

	if (base_script==p_path)
		return;

	base_script=p_path;
	_change_notify();
	ports_changed_notify();
}

String VisualScriptFunctionCall::get_base_script() const {

	return base_script;
}

void VisualScriptFunctionCall::set_singleton(const StringName& p_path) {

	if (singleton==p_path)
		return;

	singleton=p_path;
	Object *obj = GlobalConfig::get_singleton()->get_singleton_object(singleton);
	if (obj) {
		base_type=obj->get_class();
	}

	_change_notify();
	ports_changed_notify();
}

StringName VisualScriptFunctionCall::get_singleton() const {

	return singleton;
}



void VisualScriptFunctionCall::_update_method_cache() {
	StringName type;
	Ref<Script> script;

	if (call_mode==CALL_MODE_NODE_PATH) {

		Node* node=_get_base_node();
		if (node) {
			type=node->get_class();
			base_type=type; //cache, too
			script = node->get_script();
		}
	} else if (call_mode==CALL_MODE_SELF) {

		if (get_visual_script().is_valid()) {
			type=get_visual_script()->get_instance_base_type();
			base_type=type; //cache, too
			script=get_visual_script();
		}

	} else if (call_mode==CALL_MODE_SINGLETON) {

		Object *obj = GlobalConfig::get_singleton()->get_singleton_object(singleton);
		if (obj) {
			type=obj->get_class();
			script=obj->get_script();
		}

	} else if (call_mode==CALL_MODE_INSTANCE) {

		type=base_type;
		if (base_script!=String()) {

			if (!ResourceCache::has(base_script) && ScriptServer::edit_request_func) {

				ScriptServer::edit_request_func(base_script); //make sure it's loaded
			}

			if (ResourceCache::has(base_script)) {

				script = Ref<Resource>( ResourceCache::get(base_script) );
			} else {
				return;
			}
		}
	}


//		print_line("BASE: "+String(type)+" FUNC: "+String(function));
	MethodBind *mb = ClassDB::get_method(type,function);
	if (mb) {
		use_default_args=mb->get_default_argument_count();
		method_cache = MethodInfo();
		for(int i=0;i<mb->get_argument_count();i++) {
#ifdef DEBUG_METHODS_ENABLED
			method_cache.arguments.push_back(mb->get_argument_info(i));
#else
			method_cache.arguments.push_back(PropertyInfo());
#endif
		}

		if (mb->is_const()) {
			method_cache.flags|=METHOD_FLAG_CONST;
		}

#ifdef DEBUG_METHODS_ENABLED

		method_cache.return_val = mb->get_argument_info(-1);
#endif

		if (mb->is_vararg()) {
			//for vararg just give it 10 arguments (should be enough for most use cases)
			for(int i=0;i<10;i++) {
				method_cache.arguments.push_back(PropertyInfo(Variant::NIL,"arg"+itos(i)));
				use_default_args++;
			}
		}
	} else if (script.is_valid() && script->has_method(function)) {

		method_cache = script->get_method_info(function);
		use_default_args=method_cache.default_arguments.size();
	}
}

void VisualScriptFunctionCall::set_function(const StringName& p_type){

	if (function==p_type)
		return;

	function=p_type;

	if (call_mode==CALL_MODE_BASIC_TYPE) {
		use_default_args = Variant::get_method_default_arguments(basic_type,function).size();
	} else {
		//update all caches

		_update_method_cache();

	}


	_change_notify();
	ports_changed_notify();
}
StringName VisualScriptFunctionCall::get_function() const {


	return function;
}

void VisualScriptFunctionCall::set_base_path(const NodePath& p_type) {

	if (base_path==p_type)
		return;

	base_path=p_type;	
	_change_notify();
	ports_changed_notify();
}

NodePath VisualScriptFunctionCall::get_base_path() const {

	return base_path;
}


void VisualScriptFunctionCall::set_call_mode(CallMode p_mode) {

	if (call_mode==p_mode)
		return;

	call_mode=p_mode;
	_change_notify();
	ports_changed_notify();

}
VisualScriptFunctionCall::CallMode VisualScriptFunctionCall::get_call_mode() const {

	return call_mode;
}

void VisualScriptFunctionCall::set_use_default_args(int p_amount) {

	if (use_default_args==p_amount)
		return;

	use_default_args=p_amount;
	ports_changed_notify();


}

void VisualScriptFunctionCall::set_rpc_call_mode(VisualScriptFunctionCall::RPCCallMode p_mode) {

	if (rpc_call_mode==p_mode)
		return;
	rpc_call_mode=p_mode;
	ports_changed_notify();
	_change_notify();
}

VisualScriptFunctionCall::RPCCallMode VisualScriptFunctionCall::get_rpc_call_mode() const{

	return rpc_call_mode;
}


int VisualScriptFunctionCall::get_use_default_args() const{

	return use_default_args;
}


void VisualScriptFunctionCall::set_validate(bool p_amount) {

	validate=p_amount;
}

bool VisualScriptFunctionCall::get_validate() const {

	return validate;
}


void VisualScriptFunctionCall::_set_argument_cache(const Dictionary& p_cache) {
	//so everything works in case all else fails
	method_cache=MethodInfo::from_dict(p_cache);

}

Dictionary VisualScriptFunctionCall::_get_argument_cache() const {

	return method_cache;
}

void VisualScriptFunctionCall::_validate_property(PropertyInfo& property) const {

	if (property.name=="function/base_type") {
		if (call_mode!=CALL_MODE_INSTANCE) {
			property.usage=PROPERTY_USAGE_NOEDITOR;
		}
	}

	if (property.name=="function/base_script") {
		if (call_mode!=CALL_MODE_INSTANCE) {
			property.usage=0;
		}
	}

	if (property.name=="function/basic_type") {
		if (call_mode!=CALL_MODE_BASIC_TYPE) {
			property.usage=0;
		}
	}

	if (property.name=="function/singleton") {
		if (call_mode!=CALL_MODE_SINGLETON) {
			property.usage=0;
		} else {
			List<GlobalConfig::Singleton> names;
			GlobalConfig::get_singleton()->get_singletons(&names);
			property.hint=PROPERTY_HINT_ENUM;
			String sl;
			for (List<GlobalConfig::Singleton>::Element *E=names.front();E;E=E->next()) {
				if (sl!=String())
					sl+=",";
				sl+=E->get().name;
			}
			property.hint_string=sl;

		}
	}

	if (property.name=="function/node_path") {
		if (call_mode!=CALL_MODE_NODE_PATH) {
			property.usage=0;
		} else {

			Node *bnode = _get_base_node();
			if (bnode) {
				property.hint_string=bnode->get_path(); //convert to loong string
			} else {

			}
		}
	}

	if (property.name=="function/function") {

		if (call_mode==CALL_MODE_BASIC_TYPE) {

			property.hint=PROPERTY_HINT_METHOD_OF_VARIANT_TYPE;
			property.hint_string=Variant::get_type_name(basic_type);

		} else if (call_mode==CALL_MODE_SELF && get_visual_script().is_valid()) {
			property.hint=PROPERTY_HINT_METHOD_OF_SCRIPT;
			property.hint_string=itos(get_visual_script()->get_instance_ID());
		} else if (call_mode==CALL_MODE_SINGLETON) {

			Object *obj = GlobalConfig::get_singleton()->get_singleton_object(singleton);
			if (obj) {
				property.hint=PROPERTY_HINT_METHOD_OF_INSTANCE;
				property.hint_string=itos(obj->get_instance_ID());
			} else {

				property.hint=PROPERTY_HINT_METHOD_OF_BASE_TYPE;
				property.hint_string=base_type;//should be cached
			}
		} else if (call_mode==CALL_MODE_INSTANCE) {
			property.hint=PROPERTY_HINT_METHOD_OF_BASE_TYPE;
			property.hint_string=base_type;

			if (base_script!=String()) {
				if (!ResourceCache::has(base_script) && ScriptServer::edit_request_func) {

					ScriptServer::edit_request_func(base_script); //make sure it's loaded
				}

				if (ResourceCache::has(base_script)) {

					Ref<Script> script = Ref<Resource>( ResourceCache::get(base_script) );
					if (script.is_valid()) {

						property.hint=PROPERTY_HINT_METHOD_OF_SCRIPT;
						property.hint_string=itos(script->get_instance_ID());
					}
				}
			}

		} else if (call_mode==CALL_MODE_NODE_PATH) {
			Node *node = _get_base_node();
			if (node) {
				property.hint=PROPERTY_HINT_METHOD_OF_INSTANCE;
				property.hint_string=itos(node->get_instance_ID());
			} else {
				property.hint=PROPERTY_HINT_METHOD_OF_BASE_TYPE;
				property.hint_string=get_base_type();
			}

		}

	}

	if (property.name=="function/use_default_args") {

		property.hint=PROPERTY_HINT_RANGE;

		int mc=0;

		if (call_mode==CALL_MODE_BASIC_TYPE) {

			mc = Variant::get_method_default_arguments(basic_type,function).size();
		} else {
			MethodBind *mb = ClassDB::get_method(_get_base_type(),function);
			if (mb) {

				mc=mb->get_default_argument_count();
			}
		}

		if (mc==0) {
			property.usage=0; //do not show
		} else {

			property.hint_string="0,"+itos(mc)+",1";
		}
	}

	if (property.name=="rpc/call_mode") {
		if (call_mode==CALL_MODE_BASIC_TYPE) {
			property.usage=0;
		}
	}

}


void VisualScriptFunctionCall::_bind_methods() {

	ClassDB::bind_method(_MD("set_base_type","base_type"),&VisualScriptFunctionCall::set_base_type);
	ClassDB::bind_method(_MD("get_base_type"),&VisualScriptFunctionCall::get_base_type);

	ClassDB::bind_method(_MD("set_base_script","base_script"),&VisualScriptFunctionCall::set_base_script);
	ClassDB::bind_method(_MD("get_base_script"),&VisualScriptFunctionCall::get_base_script);

	ClassDB::bind_method(_MD("set_basic_type","basic_type"),&VisualScriptFunctionCall::set_basic_type);
	ClassDB::bind_method(_MD("get_basic_type"),&VisualScriptFunctionCall::get_basic_type);

	ClassDB::bind_method(_MD("set_singleton","singleton"),&VisualScriptFunctionCall::set_singleton);
	ClassDB::bind_method(_MD("get_singleton"),&VisualScriptFunctionCall::get_singleton);

	ClassDB::bind_method(_MD("set_function","function"),&VisualScriptFunctionCall::set_function);
	ClassDB::bind_method(_MD("get_function"),&VisualScriptFunctionCall::get_function);

	ClassDB::bind_method(_MD("set_call_mode","mode"),&VisualScriptFunctionCall::set_call_mode);
	ClassDB::bind_method(_MD("get_call_mode"),&VisualScriptFunctionCall::get_call_mode);

	ClassDB::bind_method(_MD("set_base_path","base_path"),&VisualScriptFunctionCall::set_base_path);
	ClassDB::bind_method(_MD("get_base_path"),&VisualScriptFunctionCall::get_base_path);

	ClassDB::bind_method(_MD("set_use_default_args","amount"),&VisualScriptFunctionCall::set_use_default_args);
	ClassDB::bind_method(_MD("get_use_default_args"),&VisualScriptFunctionCall::get_use_default_args);

	ClassDB::bind_method(_MD("_set_argument_cache","argument_cache"),&VisualScriptFunctionCall::_set_argument_cache);
	ClassDB::bind_method(_MD("_get_argument_cache"),&VisualScriptFunctionCall::_get_argument_cache);

	ClassDB::bind_method(_MD("set_rpc_call_mode","mode"),&VisualScriptFunctionCall::set_rpc_call_mode);
	ClassDB::bind_method(_MD("get_rpc_call_mode"),&VisualScriptFunctionCall::get_rpc_call_mode);

	ClassDB::bind_method(_MD("set_validate","enable"),&VisualScriptFunctionCall::set_validate);
	ClassDB::bind_method(_MD("get_validate"),&VisualScriptFunctionCall::get_validate);

	String bt;
	for(int i=0;i<Variant::VARIANT_MAX;i++) {
		if (i>0)
			bt+=",";

		bt+=Variant::get_type_name(Variant::Type(i));
	}


	List<String> script_extensions;
	for(int i=0;i<ScriptServer::get_language_count();i++) {
		ScriptServer::get_language(i)->get_recognized_extensions(&script_extensions);
	}

	String script_ext_hint;
	for (List<String>::Element *E=script_extensions.front();E;E=E->next()) {
		if (script_ext_hint!=String())
			script_ext_hint+=",";
		script_ext_hint+="*."+E->get();
	}



	ADD_PROPERTY(PropertyInfo(Variant::INT,"function/call_mode",PROPERTY_HINT_ENUM,"Self,Node Path,Instance,Basic Type,Singleton"),_SCS("set_call_mode"),_SCS("get_call_mode"));
	ADD_PROPERTY(PropertyInfo(Variant::STRING,"function/base_type",PROPERTY_HINT_TYPE_STRING,"Object"),_SCS("set_base_type"),_SCS("get_base_type"));
	ADD_PROPERTY(PropertyInfo(Variant::STRING,"function/base_script",PROPERTY_HINT_FILE,script_ext_hint),_SCS("set_base_script"),_SCS("get_base_script"));
	ADD_PROPERTY(PropertyInfo(Variant::STRING,"function/singleton"),_SCS("set_singleton"),_SCS("get_singleton"));
	ADD_PROPERTY(PropertyInfo(Variant::INT,"function/basic_type",PROPERTY_HINT_ENUM,bt),_SCS("set_basic_type"),_SCS("get_basic_type"));
	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::DICTIONARY,"function/argument_cache",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("_set_argument_cache"),_SCS("_get_argument_cache"));
	ADD_PROPERTY(PropertyInfo(Variant::STRING,"function/function"),_SCS("set_function"),_SCS("get_function")); //when set, if loaded properly, will override argument count.
	ADD_PROPERTY(PropertyInfo(Variant::INT,"function/use_default_args"),_SCS("set_use_default_args"),_SCS("get_use_default_args"));
	ADD_PROPERTY(PropertyInfo(Variant::BOOL,"function/validate"),_SCS("set_validate"),_SCS("get_validate"));
	ADD_PROPERTY(PropertyInfo(Variant::INT,"rpc/call_mode",PROPERTY_HINT_ENUM,"Disabled,Reliable,Unreliable,ReliableToID,UnreliableToID"),_SCS("set_rpc_call_mode"),_SCS("get_rpc_call_mode")); //when set, if loaded properly, will override argument count.

	BIND_CONSTANT( CALL_MODE_SELF );
	BIND_CONSTANT( CALL_MODE_NODE_PATH);
	BIND_CONSTANT( CALL_MODE_INSTANCE);
	BIND_CONSTANT( CALL_MODE_BASIC_TYPE );
}

class VisualScriptNodeInstanceFunctionCall : public VisualScriptNodeInstance {
public:


	VisualScriptFunctionCall::CallMode call_mode;
	NodePath node_path;
	int input_args;
	bool validate;
	bool returns;
	VisualScriptFunctionCall::RPCCallMode rpc_mode;
	StringName function;
	StringName singleton;

	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; }


	_FORCE_INLINE_ bool call_rpc(Object* p_base,const Variant** p_args,int p_argcount) {

		if (!p_base)
			return false;

		Node * node = p_base->cast_to<Node>();
		if (!node)
			return false;

		int to_id=0;
		bool reliable=true;

		if (rpc_mode>=VisualScriptFunctionCall::RPC_RELIABLE_TO_ID) {
			to_id = *p_args[0];
			p_args+=1;
			p_argcount-=1;
			if (rpc_mode==VisualScriptFunctionCall::RPC_UNRELIABLE_TO_ID) {
				reliable=false;
			}
		} else if (rpc_mode==VisualScriptFunctionCall::RPC_UNRELIABLE) {
			reliable=false;
		}

		node->rpcp(to_id,!reliable,function,p_args,p_argcount);

		return true;
	}

	virtual int step(const Variant** p_inputs,Variant** p_outputs,StartMode p_start_mode,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 (rpc_mode) {
					call_rpc(object,p_inputs,input_args);
				} else 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 (rpc_mode) {
					call_rpc(node,p_inputs,input_args);
				} else 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];

				if (rpc_mode) {
					Object *obj = v;
					if (obj) {
						call_rpc(obj,p_inputs+1,input_args-1);
					}
				} else if (returns) {
					if (call_mode==VisualScriptFunctionCall::CALL_MODE_INSTANCE) {
						*p_outputs[1] = v.call(function,p_inputs+1,input_args,r_error);
					} else {
						*p_outputs[0] = v.call(function,p_inputs+1,input_args,r_error);
					}
				} else {
					v.call(function,p_inputs+1,input_args,r_error);
				}

				if (call_mode==VisualScriptFunctionCall::CALL_MODE_INSTANCE) {
					*p_outputs[0]=*p_inputs[0];
				}

			} break;
			case VisualScriptFunctionCall::CALL_MODE_SINGLETON: {

				Object *object=GlobalConfig::get_singleton()->get_singleton_object(singleton);
				if (!object) {
					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
					r_error_str="Invalid singleton name: '"+String(singleton)+"'";
					return 0;
				}

				if (rpc_mode) {
					call_rpc(object,p_inputs,input_args);
				} else 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;

		}

		if (!validate) {

			//ignore call errors if validation is disabled
			r_error.error=Variant::CallError::CALL_OK;
			r_error_str=String();
		}

		return 0;

	}


};

VisualScriptNodeInstance* VisualScriptFunctionCall::instance(VisualScriptInstance* p_instance) {

	VisualScriptNodeInstanceFunctionCall * instance = memnew(VisualScriptNodeInstanceFunctionCall );
	instance->node=this;
	instance->instance=p_instance;
	instance->singleton=singleton;
	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 );
	instance->rpc_mode=rpc_call_mode;
	instance->validate=validate;
	return instance;
}


VisualScriptFunctionCall::TypeGuess VisualScriptFunctionCall::guess_output_type(TypeGuess* p_inputs, int p_output) const {

	if (p_output==0 && call_mode==CALL_MODE_INSTANCE) {
		return p_inputs[0];
	}

	return VisualScriptNode::guess_output_type(p_inputs,p_output);

}

VisualScriptFunctionCall::VisualScriptFunctionCall() {

	validate=true;
	call_mode=CALL_MODE_SELF;
	basic_type=Variant::NIL;
	use_default_args=0;
	base_type="Object";
	rpc_call_mode=RPC_DISABLED;


}

template<VisualScriptFunctionCall::CallMode cmode>
static Ref<VisualScriptNode> create_function_call_node(const String& p_name) {

	Ref<VisualScriptFunctionCall> node;
	node.instance();
	node->set_call_mode(cmode);
	return node;
}


//////////////////////////////////////////
////////////////SET//////////////////////
//////////////////////////////////////////

static const char* event_type_names[InputEvent::TYPE_MAX]={
	"None",
	"Key",
	"MouseMotion",
	"MouseButton",
	"JoystickMotion",
	"JoystickButton",
	"ScreenTouch",
	"ScreenDrag",
	"Action"
};


int VisualScriptPropertySet::get_output_sequence_port_count() const {

	return call_mode!=CALL_MODE_BASIC_TYPE ? 1 : 0;
}

bool VisualScriptPropertySet::has_input_sequence_port() const{

	return call_mode!=CALL_MODE_BASIC_TYPE ? true : false;
}

Node *VisualScriptPropertySet::_get_base_node() const {

#ifdef TOOLS_ENABLED
	Ref<Script> script = get_visual_script();
	if (!script.is_valid())
		return NULL;

	MainLoop * main_loop = OS::get_singleton()->get_main_loop();
	if (!main_loop)
		return NULL;

	SceneTree *scene_tree = main_loop->cast_to<SceneTree>();

	if (!scene_tree)
		return NULL;

	Node *edited_scene = scene_tree->get_edited_scene_root();

	if (!edited_scene)
		return NULL;

	Node* script_node = _find_script_node(edited_scene,edited_scene,script);

	if (!script_node)
		return NULL;

	if (!script_node->has_node(base_path))
		return NULL;

	Node *path_to = script_node->get_node(base_path);

	return path_to;
#else

	return NULL;
#endif
}

StringName VisualScriptPropertySet::_get_base_type() const {

	if (call_mode==CALL_MODE_SELF && get_visual_script().is_valid())
		return get_visual_script()->get_instance_base_type();
	else if (call_mode==CALL_MODE_NODE_PATH && get_visual_script().is_valid()) {
		Node *path = _get_base_node();
		if (path)
			return path->get_class();

	}

	return base_type;
}

int VisualScriptPropertySet::get_input_value_port_count() const{

	int pc = (call_mode==CALL_MODE_BASIC_TYPE || call_mode==CALL_MODE_INSTANCE)?2:1;

	return pc;
}
int VisualScriptPropertySet::get_output_value_port_count() const{

	return (call_mode==CALL_MODE_BASIC_TYPE || call_mode==CALL_MODE_INSTANCE) ? 1 : 0;
}

String VisualScriptPropertySet::get_output_sequence_port_text(int p_port) const {

	return String();
}

PropertyInfo VisualScriptPropertySet::get_input_value_port_info(int p_idx) const{

	if (call_mode==CALL_MODE_INSTANCE || call_mode==CALL_MODE_BASIC_TYPE) {
		if (p_idx==0) {
			PropertyInfo pi;
			pi.type=(call_mode==CALL_MODE_INSTANCE?Variant::OBJECT:basic_type);
			pi.name=(call_mode==CALL_MODE_INSTANCE?String("instance"):Variant::get_type_name(basic_type).to_lower());
			return pi;
		} else {
			p_idx--;
		}
	}

	PropertyInfo pinfo=type_cache;
	pinfo.name="value";
	return pinfo;
}

PropertyInfo VisualScriptPropertySet::get_output_value_port_info(int p_idx) const{
	if (call_mode==CALL_MODE_BASIC_TYPE) {
		return PropertyInfo(basic_type,"out");
	} else if (call_mode==CALL_MODE_INSTANCE) {
		return PropertyInfo(Variant::OBJECT,"pass");
	} else {
		return PropertyInfo();
	}

}


String VisualScriptPropertySet::get_caption() const {

	static const char*cname[4]= {
		"SelfSet",
		"NodeSet",
		"InstanceSet",
		"BasicSet"
	};

	return cname[call_mode];
}

String VisualScriptPropertySet::get_text() const {

	String prop;

	if (call_mode==CALL_MODE_BASIC_TYPE)
		prop=Variant::get_type_name(basic_type)+"."+property;
	else if (call_mode==CALL_MODE_NODE_PATH)
		prop=String(base_path)+":"+property;
	else if (call_mode==CALL_MODE_SELF)
		prop=property;
	else if (call_mode==CALL_MODE_INSTANCE)
		prop=String(base_type)+":"+property;

	return prop;

}

void VisualScriptPropertySet::_update_base_type() {
	//cache it because this information may not be available on load
	if (call_mode==CALL_MODE_NODE_PATH) {

		Node* node=_get_base_node();
		if (node) {
			base_type=node->get_class();
		}
	} else if (call_mode==CALL_MODE_SELF) {

		if (get_visual_script().is_valid()) {
			base_type=get_visual_script()->get_instance_base_type();
		}
	}

}
void VisualScriptPropertySet::set_basic_type(Variant::Type p_type) {

	if (basic_type==p_type)
		return;
	basic_type=p_type;


	_change_notify();
	_update_base_type();
	ports_changed_notify();
}

Variant::Type VisualScriptPropertySet::get_basic_type() const{

	return basic_type;
}

void VisualScriptPropertySet::set_event_type(InputEvent::Type p_type) {

	if (event_type==p_type)
		return;
	event_type=p_type;
	if (call_mode==CALL_MODE_BASIC_TYPE) {
		_update_cache();
	}
	_change_notify();
	_update_base_type();
	ports_changed_notify();
}

InputEvent::Type VisualScriptPropertySet::get_event_type() const{

	return event_type;
}


void VisualScriptPropertySet::set_base_type(const StringName& p_type) {

	if (base_type==p_type)
		return;

	base_type=p_type;
	_change_notify();	
	ports_changed_notify();
}

StringName VisualScriptPropertySet::get_base_type() const{

	return base_type;
}


void VisualScriptPropertySet::set_base_script(const String& p_path) {

	if (base_script==p_path)
		return;

	base_script=p_path;
	_change_notify();
	ports_changed_notify();
}

String VisualScriptPropertySet::get_base_script() const {

	return base_script;
}


void VisualScriptPropertySet::_update_cache() {


	if (!OS::get_singleton()->get_main_loop())
		return;
	if (!OS::get_singleton()->get_main_loop()->cast_to<SceneTree>())
		return;

	if (!OS::get_singleton()->get_main_loop()->cast_to<SceneTree>()->is_editor_hint()) //only update cache if editor exists, it's pointless otherwise
		return;

	if (call_mode==CALL_MODE_BASIC_TYPE) {

		//not super efficient..

		Variant v;
		if (basic_type==Variant::INPUT_EVENT) {
			InputEvent ev;
			ev.type=event_type;
			v=ev;
		} else {
			Variant::CallError ce;
			v = Variant::construct(basic_type,NULL,0,ce);
		}

		List<PropertyInfo> pinfo;
		v.get_property_list(&pinfo);

		for (List<PropertyInfo>::Element *E=pinfo.front();E;E=E->next()) {

			if (E->get().name==property) {

				type_cache=E->get();
			}
		}

	} else {


		StringName type;
		Ref<Script> script;
		Node *node=NULL;

		if (call_mode==CALL_MODE_NODE_PATH) {

			node=_get_base_node();
			if (node) {
				type=node->get_class();
				base_type=type; //cache, too
				script = node->get_script();
			}
		} else if (call_mode==CALL_MODE_SELF) {

			if (get_visual_script().is_valid()) {
				type=get_visual_script()->get_instance_base_type();
				base_type=type; //cache, too
				script=get_visual_script();
			}
		} else if (call_mode==CALL_MODE_INSTANCE) {

			type=base_type;
			if (base_script!=String()) {

				if (!ResourceCache::has(base_script) && ScriptServer::edit_request_func) {

					ScriptServer::edit_request_func(base_script); //make sure it's loaded
				}

				if (ResourceCache::has(base_script)) {

					script = Ref<Resource>( ResourceCache::get(base_script) );
				} else {
					return;
				}
			}
		}

		List<PropertyInfo> pinfo;


		if (node) {

			node->get_property_list(&pinfo);
		} else {
			ClassDB::get_property_list(type,&pinfo);
		}

		if (script.is_valid()) {

			script->get_script_property_list(&pinfo);
		}

		for (List<PropertyInfo>::Element *E=pinfo.front();E;E=E->next()) {

			if (E->get().name==property) {
				type_cache=E->get();
				return;
			}
		}

	}
}

void VisualScriptPropertySet::set_property(const StringName& p_type){

	if (property==p_type)
		return;

	property=p_type;
	_update_cache();
	_change_notify();	
	ports_changed_notify();
}
StringName VisualScriptPropertySet::get_property() const {


	return property;
}

void VisualScriptPropertySet::set_base_path(const NodePath& p_type) {

	if (base_path==p_type)
		return;

	base_path=p_type;
	_update_base_type();
	_change_notify();
	ports_changed_notify();
}

NodePath VisualScriptPropertySet::get_base_path() const {

	return base_path;
}


void VisualScriptPropertySet::set_call_mode(CallMode p_mode) {

	if (call_mode==p_mode)
		return;

	call_mode=p_mode;
	_update_base_type();
	_change_notify();
	ports_changed_notify();

}
VisualScriptPropertySet::CallMode VisualScriptPropertySet::get_call_mode() const {

	return call_mode;
}




void VisualScriptPropertySet::_set_type_cache(const Dictionary &p_type) {
	type_cache=PropertyInfo::from_dict(p_type);
}

Dictionary VisualScriptPropertySet::_get_type_cache() const {

	return type_cache;
}

void VisualScriptPropertySet::_validate_property(PropertyInfo& property) const {

	if (property.name=="property/base_type") {
		if (call_mode!=CALL_MODE_INSTANCE) {
			property.usage=PROPERTY_USAGE_NOEDITOR;
		}
	}

	if (property.name=="property/base_script") {
		if (call_mode!=CALL_MODE_INSTANCE) {
			property.usage=0;
		}
	}

	if (property.name=="property/basic_type") {
		if (call_mode!=CALL_MODE_BASIC_TYPE) {
			property.usage=0;
		}
	}

	if (property.name=="property/event_type") {
		if (call_mode!=CALL_MODE_BASIC_TYPE || basic_type!=Variant::INPUT_EVENT) {
			property.usage=0;
		}
	}

	if (property.name=="property/node_path") {
		if (call_mode!=CALL_MODE_NODE_PATH) {
			property.usage=0;
		} else {

			Node *bnode = _get_base_node();
			if (bnode) {
				property.hint_string=bnode->get_path(); //convert to loong string
			} else {

			}
		}
	}

	if (property.name=="property/property") {

		if (call_mode==CALL_MODE_BASIC_TYPE) {

			property.hint=PROPERTY_HINT_PROPERTY_OF_VARIANT_TYPE;
			property.hint_string=Variant::get_type_name(basic_type);

		} else if (call_mode==CALL_MODE_SELF && get_visual_script().is_valid()) {
			property.hint=PROPERTY_HINT_PROPERTY_OF_SCRIPT;
			property.hint_string=itos(get_visual_script()->get_instance_ID());
		} else if (call_mode==CALL_MODE_INSTANCE) {
			property.hint=PROPERTY_HINT_PROPERTY_OF_BASE_TYPE;
			property.hint_string=base_type;

			if (base_script!=String()) {
				if (!ResourceCache::has(base_script) && ScriptServer::edit_request_func) {

					ScriptServer::edit_request_func(base_script); //make sure it's loaded
				}

				if (ResourceCache::has(base_script)) {

					Ref<Script> script = Ref<Resource>( ResourceCache::get(base_script) );
					if (script.is_valid()) {

						property.hint=PROPERTY_HINT_PROPERTY_OF_SCRIPT;
						property.hint_string=itos(script->get_instance_ID());
					}
				}
			}

		} else if (call_mode==CALL_MODE_NODE_PATH) {
			Node *node = _get_base_node();
			if (node) {
				property.hint=PROPERTY_HINT_PROPERTY_OF_INSTANCE;
				property.hint_string=itos(node->get_instance_ID());
			} else {
				property.hint=PROPERTY_HINT_PROPERTY_OF_BASE_TYPE;
				property.hint_string=get_base_type();
			}

		}

	}

}

void VisualScriptPropertySet::_bind_methods() {

	ClassDB::bind_method(_MD("set_base_type","base_type"),&VisualScriptPropertySet::set_base_type);
	ClassDB::bind_method(_MD("get_base_type"),&VisualScriptPropertySet::get_base_type);

	ClassDB::bind_method(_MD("set_base_script","base_script"),&VisualScriptPropertySet::set_base_script);
	ClassDB::bind_method(_MD("get_base_script"),&VisualScriptPropertySet::get_base_script);

	ClassDB::bind_method(_MD("set_basic_type","basic_type"),&VisualScriptPropertySet::set_basic_type);
	ClassDB::bind_method(_MD("get_basic_type"),&VisualScriptPropertySet::get_basic_type);

	ClassDB::bind_method(_MD("_set_type_cache","type_cache"),&VisualScriptPropertySet::_set_type_cache);
	ClassDB::bind_method(_MD("_get_type_cache"),&VisualScriptPropertySet::_get_type_cache);

	ClassDB::bind_method(_MD("set_event_type","event_type"),&VisualScriptPropertySet::set_event_type);
	ClassDB::bind_method(_MD("get_event_type"),&VisualScriptPropertySet::get_event_type);

	ClassDB::bind_method(_MD("set_property","property"),&VisualScriptPropertySet::set_property);
	ClassDB::bind_method(_MD("get_property"),&VisualScriptPropertySet::get_property);

	ClassDB::bind_method(_MD("set_call_mode","mode"),&VisualScriptPropertySet::set_call_mode);
	ClassDB::bind_method(_MD("get_call_mode"),&VisualScriptPropertySet::get_call_mode);

	ClassDB::bind_method(_MD("set_base_path","base_path"),&VisualScriptPropertySet::set_base_path);
	ClassDB::bind_method(_MD("get_base_path"),&VisualScriptPropertySet::get_base_path);



	String bt;
	for(int i=0;i<Variant::VARIANT_MAX;i++) {
		if (i>0)
			bt+=",";

		bt+=Variant::get_type_name(Variant::Type(i));
	}

	String et;
	for(int i=0;i<InputEvent::TYPE_MAX;i++) {
		if (i>0)
			et+=",";

		et+=event_type_names[i];
	}

	List<String> script_extensions;
	for(int i=0;i<ScriptServer::get_language_count();i++) {
		ScriptServer::get_language(i)->get_recognized_extensions(&script_extensions);
	}

	String script_ext_hint;
	for (List<String>::Element *E=script_extensions.front();E;E=E->next()) {
		if (script_ext_hint!=String())
			script_ext_hint+=",";
		script_ext_hint+="*."+E->get();
	}

	ADD_PROPERTY(PropertyInfo(Variant::INT,"property/set_mode",PROPERTY_HINT_ENUM,"Self,Node Path,Instance,Basic Type"),_SCS("set_call_mode"),_SCS("get_call_mode"));
	ADD_PROPERTY(PropertyInfo(Variant::STRING,"property/base_type",PROPERTY_HINT_TYPE_STRING,"Object"),_SCS("set_base_type"),_SCS("get_base_type"));
	ADD_PROPERTY(PropertyInfo(Variant::STRING,"property/base_script",PROPERTY_HINT_FILE,script_ext_hint),_SCS("set_base_script"),_SCS("get_base_script"));
	ADD_PROPERTY(PropertyInfo(Variant::INT,"property/type_cache",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("_set_type_cache"),_SCS("_get_type_cache"));
	ADD_PROPERTY(PropertyInfo(Variant::INT,"property/basic_type",PROPERTY_HINT_ENUM,bt),_SCS("set_basic_type"),_SCS("get_basic_type"));
	ADD_PROPERTY(PropertyInfo(Variant::INT,"property/event_type",PROPERTY_HINT_ENUM,et),_SCS("set_event_type"),_SCS("get_event_type"));
	ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH,"property/node_path",PROPERTY_HINT_NODE_PATH_TO_EDITED_NODE),_SCS("set_base_path"),_SCS("get_base_path"));
	ADD_PROPERTY(PropertyInfo(Variant::STRING,"property/property"),_SCS("set_property"),_SCS("get_property"));

	BIND_CONSTANT( CALL_MODE_SELF );
	BIND_CONSTANT( CALL_MODE_NODE_PATH);
	BIND_CONSTANT( CALL_MODE_INSTANCE);

}

class VisualScriptNodeInstancePropertySet : public VisualScriptNodeInstance {
public:


	VisualScriptPropertySet::CallMode call_mode;
	NodePath node_path;
	StringName property;

	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,StartMode p_start_mode,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;

				object->set(property,*p_inputs[0],&valid);

				if (!valid) {
					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
					r_error_str="Invalid set value '"+String(*p_inputs[0])+"' on property '"+String(property)+"' of type "+object->get_class();
				}
			} 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;

				another->set(property,*p_inputs[0],&valid);

				if (!valid) {
					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
					r_error_str="Invalid set value '"+String(*p_inputs[0])+"' on property '"+String(property)+"' of type "+another->get_class();
				}

			} break;
			case VisualScriptPropertySet::CALL_MODE_INSTANCE:
			case VisualScriptPropertySet::CALL_MODE_BASIC_TYPE: {

				Variant v = *p_inputs[0];

				bool valid;

				v.set(property,*p_inputs[1],&valid);

				if (!valid) {
					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;					
					r_error_str="Invalid set value '"+String(*p_inputs[1])+"' ("+Variant::get_type_name(p_inputs[1]->get_type())+") on property '"+String(property)+"' of type "+Variant::get_type_name(v.get_type());
				}

				*p_outputs[0]=v;

			} 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;
	return instance;
}



VisualScriptPropertySet::TypeGuess VisualScriptPropertySet::guess_output_type(TypeGuess* p_inputs, int p_output) const {

	if (p_output==0 && call_mode==CALL_MODE_INSTANCE) {
		return p_inputs[0];
	}

	return VisualScriptNode::guess_output_type(p_inputs,p_output);

}
VisualScriptPropertySet::VisualScriptPropertySet() {

	call_mode=CALL_MODE_SELF;
	base_type="Object";
	basic_type=Variant::NIL;
	event_type=InputEvent::NONE;

}

template<VisualScriptPropertySet::CallMode cmode>
static Ref<VisualScriptNode> create_property_set_node(const String& p_name) {

	Ref<VisualScriptPropertySet> node;
	node.instance();
	node->set_call_mode(cmode);
	return node;
}


//////////////////////////////////////////
////////////////GET//////////////////////
//////////////////////////////////////////

int VisualScriptPropertyGet::get_output_sequence_port_count() const {

	return 0;// (call_mode==CALL_MODE_SELF || call_mode==CALL_MODE_NODE_PATH)?0:1;
}

bool VisualScriptPropertyGet::has_input_sequence_port() const{

	return false;//(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
	if (call_mode==CALL_MODE_NODE_PATH) {

		Node* node=_get_base_node();
		if (node) {
			base_type=node->get_class();
		}
	} else if (call_mode==CALL_MODE_SELF) {

		if (get_visual_script().is_valid()) {
			base_type=get_visual_script()->get_instance_base_type();
		}
	}

}
Node *VisualScriptPropertyGet::_get_base_node() const {

#ifdef TOOLS_ENABLED
	Ref<Script> script = get_visual_script();
	if (!script.is_valid())
		return NULL;

	MainLoop * main_loop = OS::get_singleton()->get_main_loop();
	if (!main_loop)
		return NULL;

	SceneTree *scene_tree = main_loop->cast_to<SceneTree>();

	if (!scene_tree)
		return NULL;

	Node *edited_scene = scene_tree->get_edited_scene_root();

	if (!edited_scene)
		return NULL;

	Node* script_node = _find_script_node(edited_scene,edited_scene,script);

	if (!script_node)
		return NULL;

	if (!script_node->has_node(base_path))
		return NULL;

	Node *path_to = script_node->get_node(base_path);

	return path_to;
#else

	return NULL;
#endif
}

StringName VisualScriptPropertyGet::_get_base_type() const {

	if (call_mode==CALL_MODE_SELF && get_visual_script().is_valid())
		return get_visual_script()->get_instance_base_type();
	else if (call_mode==CALL_MODE_NODE_PATH && get_visual_script().is_valid()) {
		Node *path = _get_base_node();
		if (path)
			return path->get_class();

	}

	return base_type;
}


int VisualScriptPropertyGet::get_input_value_port_count() const{

	return (call_mode==CALL_MODE_BASIC_TYPE || call_mode==CALL_MODE_INSTANCE)?1:0;

}
int VisualScriptPropertyGet::get_output_value_port_count() const{

	return 1;
}

String VisualScriptPropertyGet::get_output_sequence_port_text(int p_port) const {

	return String();
}

PropertyInfo VisualScriptPropertyGet::get_input_value_port_info(int p_idx) const{

	if (call_mode==CALL_MODE_INSTANCE || call_mode==CALL_MODE_BASIC_TYPE) {
		if (p_idx==0) {
			PropertyInfo pi;
			pi.type=(call_mode==CALL_MODE_INSTANCE?Variant::OBJECT:basic_type);
			pi.name=(call_mode==CALL_MODE_INSTANCE?String("instance"):Variant::get_type_name(basic_type).to_lower());
			return pi;
		} else {
			p_idx--;
		}
	}
	return PropertyInfo();

}

PropertyInfo VisualScriptPropertyGet::get_output_value_port_info(int p_idx) const{

	return PropertyInfo(type_cache,"value");
}


String VisualScriptPropertyGet::get_caption() const {

	static const char*cname[4]= {
		"SelfGet",
		"NodeGet",
		"InstanceGet",
		"BasicGet"
	};

	return cname[call_mode];
}

String VisualScriptPropertyGet::get_text() const {

	String prop;

	if (call_mode==CALL_MODE_BASIC_TYPE)
		prop=Variant::get_type_name(basic_type)+"."+property;
	else if (call_mode==CALL_MODE_NODE_PATH)
		prop=String(base_path)+":"+property;
	else if (call_mode==CALL_MODE_SELF)
		prop=property;
	else if (call_mode==CALL_MODE_INSTANCE)
		prop=String(base_type)+":"+property;

	return prop;
}

void VisualScriptPropertyGet::set_base_type(const StringName& p_type) {

	if (base_type==p_type)
		return;

	base_type=p_type;	
	_change_notify();
	ports_changed_notify();
}

StringName VisualScriptPropertyGet::get_base_type() const{

	return base_type;
}

void VisualScriptPropertyGet::set_base_script(const String& p_path) {

	if (base_script==p_path)
		return;

	base_script=p_path;
	_change_notify();
	ports_changed_notify();
}

String VisualScriptPropertyGet::get_base_script() const {

	return base_script;
}


void VisualScriptPropertyGet::_update_cache() {


	if (call_mode==CALL_MODE_BASIC_TYPE) {

		//not super efficient..

		Variant v;
		if (basic_type==Variant::INPUT_EVENT) {
			InputEvent ev;
			ev.type=event_type;
			v=ev;
		} else {
			Variant::CallError ce;
			v = Variant::construct(basic_type,NULL,0,ce);
		}

		List<PropertyInfo> pinfo;
		v.get_property_list(&pinfo);

		for (List<PropertyInfo>::Element *E=pinfo.front();E;E=E->next()) {

			if (E->get().name==property) {

				type_cache=E->get().type;
				return;
			}
		}

	} else {


		StringName type;
		Ref<Script> script;
		Node *node=NULL;

		if (call_mode==CALL_MODE_NODE_PATH) {

			node=_get_base_node();
			if (node) {
				type=node->get_class();
				base_type=type; //cache, too
				script = node->get_script();
			}
		} else if (call_mode==CALL_MODE_SELF) {

			if (get_visual_script().is_valid()) {
				type=get_visual_script()->get_instance_base_type();
				base_type=type; //cache, too
				script=get_visual_script();
			}
		} else if (call_mode==CALL_MODE_INSTANCE) {

			type=base_type;
			if (base_script!=String()) {

				if (!ResourceCache::has(base_script) && ScriptServer::edit_request_func) {

					ScriptServer::edit_request_func(base_script); //make sure it's loaded
				}

				if (ResourceCache::has(base_script)) {

					script = Ref<Resource>( ResourceCache::get(base_script) );
				} else {
					return;
				}
			}
		}


		bool valid=false;

		Variant::Type type_ret;

		type_ret=ClassDB::get_property_type(base_type,property,&valid);

		if (valid) {
			type_cache=type_ret;
			return; //all dandy
		}

		if (node) {

			Variant prop = node->get(property,&valid);
			if (valid) {
				type_cache=prop.get_type();
				return; //all dandy again
			}
		}

		if (script.is_valid()) {

			type_ret=script->get_static_property_type(property,&valid);

			if (valid) {
				type_cache=type_ret;
				return; //all dandy
			}
		}
	}
}

void VisualScriptPropertyGet::set_property(const StringName& p_type){

	if (property==p_type)
		return;

	property=p_type;


	_update_cache();
	_change_notify();
	ports_changed_notify();
}
StringName VisualScriptPropertyGet::get_property() const {


	return property;
}

void VisualScriptPropertyGet::set_base_path(const NodePath& p_type) {

	if (base_path==p_type)
		return;

	base_path=p_type;
	_change_notify();
	_update_base_type();
	ports_changed_notify();
}

NodePath VisualScriptPropertyGet::get_base_path() const {

	return base_path;
}


void VisualScriptPropertyGet::set_call_mode(CallMode p_mode) {

	if (call_mode==p_mode)
		return;

	call_mode=p_mode;
	_change_notify();
	_update_base_type();
	ports_changed_notify();

}
VisualScriptPropertyGet::CallMode VisualScriptPropertyGet::get_call_mode() const {

	return call_mode;
}



void VisualScriptPropertyGet::set_basic_type(Variant::Type p_type) {

	if (basic_type==p_type)
		return;
	basic_type=p_type;


	_change_notify();
	ports_changed_notify();
}

Variant::Type VisualScriptPropertyGet::get_basic_type() const{

	return basic_type;
}


void VisualScriptPropertyGet::set_event_type(InputEvent::Type p_type) {

	if (event_type==p_type)
		return;
	event_type=p_type;
	if(call_mode==CALL_MODE_BASIC_TYPE) {
		_update_cache();
	}
	_change_notify();
	_update_base_type();
	ports_changed_notify();
}

InputEvent::Type VisualScriptPropertyGet::get_event_type() const{

	return event_type;
}


void VisualScriptPropertyGet::_set_type_cache(Variant::Type p_type) {
	type_cache=p_type;
}

Variant::Type VisualScriptPropertyGet::_get_type_cache() const {

	return type_cache;
}


void VisualScriptPropertyGet::_validate_property(PropertyInfo& property) const {

	if (property.name=="property/base_type") {
		if (call_mode!=CALL_MODE_INSTANCE) {
			property.usage=PROPERTY_USAGE_NOEDITOR;
		}
	}

	if (property.name=="property/base_script") {
		if (call_mode!=CALL_MODE_INSTANCE) {
			property.usage=0;
		}
	}

	if (property.name=="property/basic_type") {
		if (call_mode!=CALL_MODE_BASIC_TYPE) {
			property.usage=0;
		}
	}
	if (property.name=="property/event_type") {
		if (call_mode!=CALL_MODE_BASIC_TYPE || basic_type!=Variant::INPUT_EVENT) {
			property.usage=0;
		}
	}

	if (property.name=="property/node_path") {
		if (call_mode!=CALL_MODE_NODE_PATH) {
			property.usage=0;
		} else {

			Node *bnode = _get_base_node();
			if (bnode) {
				property.hint_string=bnode->get_path(); //convert to loong string
			} else {

			}
		}
	}

	if (property.name=="property/property") {

		if (call_mode==CALL_MODE_BASIC_TYPE) {

			property.hint=PROPERTY_HINT_PROPERTY_OF_VARIANT_TYPE;
			property.hint_string=Variant::get_type_name(basic_type);

		} else if (call_mode==CALL_MODE_SELF && get_visual_script().is_valid()) {
			property.hint=PROPERTY_HINT_PROPERTY_OF_SCRIPT;
			property.hint_string=itos(get_visual_script()->get_instance_ID());
		} else if (call_mode==CALL_MODE_INSTANCE) {
			property.hint=PROPERTY_HINT_PROPERTY_OF_BASE_TYPE;
			property.hint_string=base_type;

			if (base_script!=String()) {
				if (!ResourceCache::has(base_script) && ScriptServer::edit_request_func) {

					ScriptServer::edit_request_func(base_script); //make sure it's loaded
				}

				if (ResourceCache::has(base_script)) {

					Ref<Script> script = Ref<Resource>( ResourceCache::get(base_script) );
					if (script.is_valid()) {

						property.hint=PROPERTY_HINT_PROPERTY_OF_SCRIPT;
						property.hint_string=itos(script->get_instance_ID());
					}
				}
			}
		} else if (call_mode==CALL_MODE_NODE_PATH) {
			Node *node = _get_base_node();
			if (node) {
				property.hint=PROPERTY_HINT_PROPERTY_OF_INSTANCE;
				property.hint_string=itos(node->get_instance_ID());
			} else {
				property.hint=PROPERTY_HINT_PROPERTY_OF_BASE_TYPE;
				property.hint_string=get_base_type();
			}

		}

	}

}

void VisualScriptPropertyGet::_bind_methods() {

	ClassDB::bind_method(_MD("set_base_type","base_type"),&VisualScriptPropertyGet::set_base_type);
	ClassDB::bind_method(_MD("get_base_type"),&VisualScriptPropertyGet::get_base_type);

	ClassDB::bind_method(_MD("set_base_script","base_script"),&VisualScriptPropertyGet::set_base_script);
	ClassDB::bind_method(_MD("get_base_script"),&VisualScriptPropertyGet::get_base_script);

	ClassDB::bind_method(_MD("set_basic_type","basic_type"),&VisualScriptPropertyGet::set_basic_type);
	ClassDB::bind_method(_MD("get_basic_type"),&VisualScriptPropertyGet::get_basic_type);

	ClassDB::bind_method(_MD("_set_type_cache","type_cache"),&VisualScriptPropertyGet::_set_type_cache);
	ClassDB::bind_method(_MD("_get_type_cache"),&VisualScriptPropertyGet::_get_type_cache);

	ClassDB::bind_method(_MD("set_event_type","event_type"),&VisualScriptPropertyGet::set_event_type);
	ClassDB::bind_method(_MD("get_event_type"),&VisualScriptPropertyGet::get_event_type);


	ClassDB::bind_method(_MD("set_property","property"),&VisualScriptPropertyGet::set_property);
	ClassDB::bind_method(_MD("get_property"),&VisualScriptPropertyGet::get_property);

	ClassDB::bind_method(_MD("set_call_mode","mode"),&VisualScriptPropertyGet::set_call_mode);
	ClassDB::bind_method(_MD("get_call_mode"),&VisualScriptPropertyGet::get_call_mode);

	ClassDB::bind_method(_MD("set_base_path","base_path"),&VisualScriptPropertyGet::set_base_path);
	ClassDB::bind_method(_MD("get_base_path"),&VisualScriptPropertyGet::get_base_path);

	String bt;
	for(int i=0;i<Variant::VARIANT_MAX;i++) {
		if (i>0)
			bt+=",";

		bt+=Variant::get_type_name(Variant::Type(i));
	}

	String et;
	for(int i=0;i<InputEvent::TYPE_MAX;i++) {
		if (i>0)
			et+=",";

		et+=event_type_names[i];
	}

	List<String> script_extensions;
	for(int i=0;i<ScriptServer::get_language_count();i++) {
		ScriptServer::get_language(i)->get_recognized_extensions(&script_extensions);
	}

	String script_ext_hint;
	for (List<String>::Element *E=script_extensions.front();E;E=E->next()) {
		if (script_ext_hint!=String())
			script_ext_hint+=",";
		script_ext_hint+="."+E->get();
	}

	ADD_PROPERTY(PropertyInfo(Variant::INT,"property/set_mode",PROPERTY_HINT_ENUM,"Self,Node Path,Instance,Basic Type"),_SCS("set_call_mode"),_SCS("get_call_mode"));
	ADD_PROPERTY(PropertyInfo(Variant::STRING,"property/base_type",PROPERTY_HINT_TYPE_STRING,"Object"),_SCS("set_base_type"),_SCS("get_base_type"));
	ADD_PROPERTY(PropertyInfo(Variant::STRING,"property/base_script",PROPERTY_HINT_FILE,script_ext_hint),_SCS("set_base_script"),_SCS("get_base_script"));
	ADD_PROPERTY(PropertyInfo(Variant::INT,"property/type_cache",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("_set_type_cache"),_SCS("_get_type_cache"));
	ADD_PROPERTY(PropertyInfo(Variant::INT,"property/basic_type",PROPERTY_HINT_ENUM,bt),_SCS("set_basic_type"),_SCS("get_basic_type"));
	ADD_PROPERTY(PropertyInfo(Variant::INT,"property/event_type",PROPERTY_HINT_ENUM,et),_SCS("set_event_type"),_SCS("get_event_type"));
	ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH,"property/node_path",PROPERTY_HINT_NODE_PATH_TO_EDITED_NODE),_SCS("set_base_path"),_SCS("get_base_path"));
	ADD_PROPERTY(PropertyInfo(Variant::STRING,"property/property"),_SCS("set_property"),_SCS("get_property"));

	BIND_CONSTANT( CALL_MODE_SELF );
	BIND_CONSTANT( CALL_MODE_NODE_PATH);
	BIND_CONSTANT( CALL_MODE_INSTANCE);
}

class VisualScriptNodeInstancePropertyGet : public VisualScriptNodeInstance {
public:


	VisualScriptPropertyGet::CallMode call_mode;
	NodePath node_path;
	StringName property;

	VisualScriptPropertyGet *node;
	VisualScriptInstance *instance;


	virtual int step(const Variant** p_inputs,Variant** p_outputs,StartMode p_start_mode,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {



		switch(call_mode) {

			case VisualScriptPropertyGet::CALL_MODE_SELF: {

				Object *object=instance->get_owner_ptr();

				bool valid;

				*p_outputs[0] = object->get(property,&valid);

				if (!valid) {
					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
					r_error_str=RTR("Invalid index property name.");
					return 0;
				}
			} 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_str=RTR("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=RTR("Path does not lead Node!");
					return 0;
				}

				bool valid;


				*p_outputs[0] = another->get(property,&valid);

				if (!valid) {
					r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
					r_error_str=vformat(RTR("Invalid index property name '%s' in node %s."),String(property),another->get_name());
					return 0;
				}

			} break;
			default: {

				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() {

	call_mode=CALL_MODE_SELF;
	base_type="Object";
	basic_type=Variant::NIL;
	event_type=InputEvent::NONE;
	type_cache=Variant::NIL;

}

template<VisualScriptPropertyGet::CallMode cmode>
static Ref<VisualScriptNode> create_property_get_node(const String& p_name) {

	Ref<VisualScriptPropertyGet> node;
	node.instance();
	node->set_call_mode(cmode);
	return node;
}


//////////////////////////////////////////
////////////////EMIT//////////////////////
//////////////////////////////////////////

int VisualScriptEmitSignal::get_output_sequence_port_count() const {

	return 1;
}

bool VisualScriptEmitSignal::has_input_sequence_port() const{

	return true;
}


int VisualScriptEmitSignal::get_input_value_port_count() const{

	Ref<VisualScript> vs = get_visual_script();
	if (vs.is_valid()) {

		if (!vs->has_custom_signal(name))
			return 0;

		return vs->custom_signal_get_argument_count(name);
	}

	return 0;

}
int VisualScriptEmitSignal::get_output_value_port_count() const{
	return 0;
}

String VisualScriptEmitSignal::get_output_sequence_port_text(int p_port) const {

	return String();
}

PropertyInfo VisualScriptEmitSignal::get_input_value_port_info(int p_idx) const{

	Ref<VisualScript> vs = get_visual_script();
	if (vs.is_valid()) {

		if (!vs->has_custom_signal(name))
			return PropertyInfo();

		return PropertyInfo(vs->custom_signal_get_argument_type(name,p_idx),vs->custom_signal_get_argument_name(name,p_idx));
	}

	return PropertyInfo();

}

PropertyInfo VisualScriptEmitSignal::get_output_value_port_info(int p_idx) const{

	return PropertyInfo();
}


String VisualScriptEmitSignal::get_caption() const {

	return "EmitSignal";
}

String VisualScriptEmitSignal::get_text() const {

	return "emit "+String(name);
}



void VisualScriptEmitSignal::set_signal(const StringName& p_type){

	if (name==p_type)
		return;

	name=p_type;

	_change_notify();
	ports_changed_notify();
}
StringName VisualScriptEmitSignal::get_signal() const {


	return name;
}


void VisualScriptEmitSignal::_validate_property(PropertyInfo& property) const {



	if (property.name=="signal/signal") {
		property.hint=PROPERTY_HINT_ENUM;


		List<StringName> sigs;

		Ref<VisualScript> vs = get_visual_script();
		if (vs.is_valid()) {

			vs->get_custom_signal_list(&sigs);

		}

		String ml;
		for (List<StringName>::Element *E=sigs.front();E;E=E->next()) {

			if (ml!=String())
				ml+=",";
			ml+=E->get();
		}

		property.hint_string=ml;
	}

}


void VisualScriptEmitSignal::_bind_methods() {

	ClassDB::bind_method(_MD("set_signal","name"),&VisualScriptEmitSignal::set_signal);
	ClassDB::bind_method(_MD("get_signal"),&VisualScriptEmitSignal::get_signal);


	ADD_PROPERTY(PropertyInfo(Variant::STRING,"signal/signal"),_SCS("set_signal"),_SCS("get_signal"));


}

class VisualScriptNodeInstanceEmitSignal : public VisualScriptNodeInstance {
public:

	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,StartMode p_start_mode,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",create_node_generic<VisualScriptFunctionCall>);
	VisualScriptLanguage::singleton->add_register_func("functions/set",create_node_generic<VisualScriptPropertySet>);
	VisualScriptLanguage::singleton->add_register_func("functions/get",create_node_generic<VisualScriptPropertyGet>);

	//VisualScriptLanguage::singleton->add_register_func("functions/call_script/call_self",create_script_call_node<VisualScriptScriptCall::CALL_MODE_SELF>);
//	VisualScriptLanguage::singleton->add_register_func("functions/call_script/call_node",create_script_call_node<VisualScriptScriptCall::CALL_MODE_NODE_PATH>);
	VisualScriptLanguage::singleton->add_register_func("functions/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/by_type/"+type_name+"/"+E->get().name,create_basic_type_call_node);
		}
	}
}