#include "core_bind.h"
#include "os/os.h"
#include "geometry.h"
#include "io/marshalls.h"
#include "io/base64.h"
#include "core/globals.h"
#include "io/file_access_encrypted.h"

_ResourceLoader *_ResourceLoader::singleton=NULL;

Ref<ResourceInteractiveLoader> _ResourceLoader::load_interactive(const String& p_path,const String& p_type_hint) {
	return ResourceLoader::load_interactive(p_path,p_type_hint);
}

RES _ResourceLoader::load(const String &p_path,const String& p_type_hint) {

	RES ret =  ResourceLoader::load(p_path,p_type_hint);
	return ret;
}

DVector<String> _ResourceLoader::get_recognized_extensions_for_type(const String& p_type) {

	List<String> exts;
	ResourceLoader::get_recognized_extensions_for_type(p_type,&exts);
	DVector<String> ret;
	for(List<String>::Element *E=exts.front();E;E=E->next()) {

		ret.push_back(E->get());
	}

	return ret;
}

void _ResourceLoader::set_abort_on_missing_resources(bool p_abort) {

	ResourceLoader::set_abort_on_missing_resources(p_abort);
}

StringArray _ResourceLoader::get_dependencies(const String& p_path) {

	List<String> deps;
	ResourceLoader::get_dependencies(p_path, &deps);

	StringArray ret;
	for(List<String>::Element *E=deps.front();E;E=E->next()) {
		ret.push_back(E->get());
	}

	return ret;
};

bool _ResourceLoader::has(const String &p_path) {

	String local_path = Globals::get_singleton()->localize_path(p_path);
	return ResourceCache::has(local_path);
};

void _ResourceLoader::_bind_methods() {


	ObjectTypeDB::bind_method(_MD("load_interactive:ResourceInteractiveLoader","path","type_hint"),&_ResourceLoader::load_interactive,DEFVAL(""));
	ObjectTypeDB::bind_method(_MD("load:Resource","path","type_hint"),&_ResourceLoader::load,DEFVAL(""));
	ObjectTypeDB::bind_method(_MD("get_recognized_extensions_for_type","type"),&_ResourceLoader::get_recognized_extensions_for_type);
	ObjectTypeDB::bind_method(_MD("set_abort_on_missing_resources","abort"),&_ResourceLoader::set_abort_on_missing_resources);
	ObjectTypeDB::bind_method(_MD("get_dependencies"),&_ResourceLoader::get_dependencies);
	ObjectTypeDB::bind_method(_MD("has"),&_ResourceLoader::has);
}

_ResourceLoader::_ResourceLoader() {

	singleton=this;
}


Error _ResourceSaver::save(const String &p_path,const RES& p_resource, uint32_t p_flags) {

	ERR_FAIL_COND_V(p_resource.is_null(),ERR_INVALID_PARAMETER);
	return ResourceSaver::save(p_path,p_resource, p_flags);
}

DVector<String> _ResourceSaver::get_recognized_extensions(const RES& p_resource) {

	ERR_FAIL_COND_V(p_resource.is_null(),DVector<String>());
	List<String> exts;
	ResourceSaver::get_recognized_extensions(p_resource,&exts);
	DVector<String> ret;
	for(List<String>::Element *E=exts.front();E;E=E->next()) {

		ret.push_back(E->get());
	}
	return ret;
}

_ResourceSaver *_ResourceSaver::singleton=NULL;


void _ResourceSaver::_bind_methods() {

	ObjectTypeDB::bind_method(_MD("save","path","resource:Resource"),&_ResourceSaver::save, DEFVAL(0));
	ObjectTypeDB::bind_method(_MD("get_recognized_extensions","type"),&_ResourceSaver::get_recognized_extensions);

	BIND_CONSTANT(FLAG_RELATIVE_PATHS);
	BIND_CONSTANT(FLAG_BUNDLE_RESOURCES);
	BIND_CONSTANT(FLAG_CHANGE_PATH);
	BIND_CONSTANT(FLAG_OMIT_EDITOR_PROPERTIES);
	BIND_CONSTANT(FLAG_SAVE_BIG_ENDIAN);
	BIND_CONSTANT(FLAG_COMPRESS);
}

_ResourceSaver::_ResourceSaver() {

	singleton=this;
}


/////////////////OS


Point2 _OS::get_mouse_pos() const {

	return OS::get_singleton()->get_mouse_pos();
}
void _OS::set_window_title(const String& p_title) {

	OS::get_singleton()->set_window_title(p_title);

}

int _OS::get_mouse_button_state() const {

	return OS::get_singleton()->get_mouse_button_state();
}

String _OS::get_unique_ID() const {
	return OS::get_singleton()->get_unique_ID();
}
bool _OS::has_touchscreen_ui_hint() const {

	return OS::get_singleton()->has_touchscreen_ui_hint();
}

void _OS::set_clipboard(const String& p_text) {


	OS::get_singleton()->set_clipboard(p_text);
}
String _OS::get_clipboard() const {

	return OS::get_singleton()->get_clipboard();

}

void _OS::set_video_mode(const Size2& p_size, bool p_fullscreen,bool p_resizeable,int p_screen) {

	OS::VideoMode vm;
	vm.width=p_size.width;
	vm.height=p_size.height;
	vm.fullscreen=p_fullscreen;
	vm.resizable=p_resizeable;
	OS::get_singleton()->set_video_mode( vm,p_screen);


}
Size2 _OS::get_video_mode(int p_screen) const {

	OS::VideoMode vm;
	vm = OS::get_singleton()->get_video_mode(p_screen);
	return Size2(vm.width,vm.height);

}
bool _OS::is_video_mode_fullscreen(int p_screen) const {

	OS::VideoMode vm;
	vm = OS::get_singleton()->get_video_mode(p_screen);
	return vm.fullscreen;

}

bool _OS::is_video_mode_resizable(int p_screen) const {

	OS::VideoMode vm;
	vm = OS::get_singleton()->get_video_mode(p_screen);
	return vm.resizable;

}

Array _OS::get_fullscreen_mode_list(int p_screen) const {

	List<OS::VideoMode> vmlist;
	OS::get_singleton()->get_fullscreen_mode_list(&vmlist,p_screen);
	Array vmarr;
	for(List<OS::VideoMode>::Element *E=vmlist.front();E;E=E->next() ){

		vmarr.push_back(Size2(E->get().width,E->get().height));
	}

	return vmarr;
}

void _OS::set_iterations_per_second(int p_ips) {

	OS::get_singleton()->set_iterations_per_second(p_ips);
}
int _OS::get_iterations_per_second() const {

	return OS::get_singleton()->get_iterations_per_second();

}

void _OS::set_target_fps(int p_fps) {
	OS::get_singleton()->set_target_fps(p_fps);
}

float _OS::get_target_fps() const {
	return OS::get_singleton()->get_target_fps();
}

void _OS::set_low_processor_usage_mode(bool p_enabled) {

	OS::get_singleton()->set_low_processor_usage_mode(p_enabled);
}
bool _OS::is_in_low_processor_usage_mode() const {

	return OS::get_singleton()->is_in_low_processor_usage_mode();
}

String _OS::get_executable_path() const {

	return OS::get_singleton()->get_executable_path();
}

Error _OS::shell_open(String p_uri) {

	return OS::get_singleton()->shell_open(p_uri);
};


int _OS::execute(const String& p_path, const Vector<String> & p_arguments, bool p_blocking, Array p_output) {

	OS::ProcessID pid;
	List<String> args;
	for(int i=0;i<p_arguments.size();i++)
		args.push_back(p_arguments[i]);
	String pipe;
	Error err = OS::get_singleton()->execute(p_path,args,p_blocking,&pid, &pipe);
	p_output.clear();
	p_output.push_back(pipe);
	if (err != OK)
		return -1;
	else
		return pid;

}
Error _OS::kill(int p_pid) {

	return OS::get_singleton()->kill(p_pid);
}

int _OS::get_process_ID() const {

	return OS::get_singleton()->get_process_ID();
};


bool _OS::has_environment(const String& p_var) const {

	return OS::get_singleton()->has_environment(p_var);
}
String _OS::get_environment(const String& p_var) const {

	return OS::get_singleton()->get_environment(p_var);
}

String _OS::get_name() const {

	return OS::get_singleton()->get_name();
}
Vector<String> _OS::get_cmdline_args() {

	List<String> cmdline = OS::get_singleton()->get_cmdline_args();
	Vector<String> cmdlinev;
	for(List<String>::Element *E=cmdline.front();E;E=E->next()) {

		cmdlinev.push_back(E->get());
	}

	return cmdlinev;
}

String _OS::get_locale() const {

	return OS::get_singleton()->get_locale();
}

String _OS::get_model_name() const {

    return OS::get_singleton()->get_model_name();
}

MainLoop *_OS::get_main_loop() const {

	return OS::get_singleton()->get_main_loop();
}
/*
enum Weekday {
	DAY_SUNDAY,
	DAY_MONDAY,
	DAY_TUESDAY,
	DAY_WEDNESDAY,
	DAY_THURSDAY,
	DAY_FRIDAY,
	DAY_SATURDAY
};

enum Month {
	MONTH_JANUARY,
	MONTH_FEBRUARY,
	MONTH_MARCH,
	MONTH_APRIL,
	MONTH_MAY,
	MONTH_JUNE,
	MONTH_JULY,
	MONTH_AUGUST,
	MONTH_SEPTEMBER,
	MONTH_OCTOBER,
	MONTH_NOVEMBER,
	MONTH_DECEMBER
};
*/
/*
struct Date {

	int year;
	Month month;
	int day;
	Weekday weekday;
	bool dst;
};

struct Time {

	int hour;
	int min;
	int sec;
};
*/

int _OS::get_static_memory_usage() const {

	return OS::get_singleton()->get_static_memory_usage();

}

int _OS::get_static_memory_peak_usage() const {

	return OS::get_singleton()->get_static_memory_peak_usage();

}

int _OS::get_dynamic_memory_usage() const{

	return OS::get_singleton()->get_dynamic_memory_usage();
}


void _OS::set_icon(const Image& p_icon) {

	OS::get_singleton()->set_icon(p_icon);
}

Dictionary _OS::get_date() const {

	OS::Date date = OS::get_singleton()->get_date();
	Dictionary dated;
	dated["year"]=date.year;
	dated["month"]=date.month;
	dated["day"]=date.day;
	dated["weekday"]=date.weekday;
	dated["dst"]=date.dst;
	return dated;


}
Dictionary _OS::get_time() const {

	OS::Time time = OS::get_singleton()->get_time();
	Dictionary timed;
	timed["hour"]=time.hour;
	timed["minute"]=time.min;
	timed["second"]=time.sec;
	return timed;

}
uint64_t _OS::get_unix_time() const {

	return OS::get_singleton()->get_unix_time();
};

void _OS::delay_usec(uint32_t p_usec) const {

	OS::get_singleton()->delay_usec(p_usec);
}

void _OS::delay_msec(uint32_t p_msec) const {

	OS::get_singleton()->delay_usec(int64_t(p_msec)*1000);
}

uint32_t _OS::get_ticks_msec() const {

	return OS::get_singleton()->get_ticks_msec();
}


bool _OS::can_use_threads() const {

	return OS::get_singleton()->can_use_threads();
}

bool _OS::can_draw() const {

	return OS::get_singleton()->can_draw();
}

int  _OS::get_frames_drawn() {

	return OS::get_singleton()->get_frames_drawn();
}

int _OS::get_processor_count() const {

	return OS::get_singleton()->get_processor_count();
}

bool _OS::is_stdout_verbose() const {

	return OS::get_singleton()->is_stdout_verbose();

}

void _OS::dump_memory_to_file(const String& p_file) {

	OS::get_singleton()->dump_memory_to_file(p_file.utf8().get_data());
}

struct _OSCoreBindImg {

	String path;
	Size2 size;
	int fmt;
	ObjectID id;
	int vram;
	bool operator<(const _OSCoreBindImg& p_img) const { return vram==p_img.vram ? id<p_img.id : vram > p_img.vram; }
};

void _OS::print_all_textures_by_size() {


	List<_OSCoreBindImg> imgs;
	int total=0;
	{
		List<Ref<Resource> > rsrc;
		ResourceCache::get_cached_resources(&rsrc);

		for (List<Ref<Resource> >::Element *E=rsrc.front();E;E=E->next()) {

			if (!E->get()->is_type("ImageTexture"))
				continue;

			Size2 size = E->get()->call("get_size");
			int fmt = E->get()->call("get_format");

			_OSCoreBindImg img;
			img.size=size;
			img.fmt=fmt;
			img.path=E->get()->get_path();
			img.vram=Image::get_image_data_size(img.size.width,img.size.height,Image::Format(img.fmt));
			img.id=E->get()->get_instance_ID();
			total+=img.vram;
			imgs.push_back(img);
		}
	}

	imgs.sort();

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

		print_line(E->get().path+" - "+String::humanize_size(E->get().vram)+"  ("+E->get().size+") - total:"+String::humanize_size(total) );
		total-=E->get().vram;
	}
}

void _OS::print_resources_by_type(const Vector<String>& p_types) {

	Map<String,int> type_count;

	List<Ref<Resource> > resources;
	ResourceCache::get_cached_resources(&resources);

	List<Ref<Resource> > rsrc;
	ResourceCache::get_cached_resources(&rsrc);

	for (List<Ref<Resource> >::Element *E=rsrc.front();E;E=E->next()) {

		Ref<Resource> r = E->get();

		bool found = false;

		for (int i=0; i<p_types.size(); i++) {
			if (r->is_type(p_types[i]))
				found = true;
		}
		if (!found)
			continue;

		if (!type_count.has(r->get_type())) {
			type_count[r->get_type()]=0;
		}


		type_count[r->get_type()]++;

		print_line(r->get_type()+": "+r->get_path());

		List<String> metas;
		r->get_meta_list(&metas);
		for (List<String>::Element* me = metas.front(); me; me = me->next()) {
			print_line(" "+String(me->get()) + ": " + r->get_meta(me->get()));
		};
	}

	for(Map<String,int>::Element *E=type_count.front();E;E=E->next()) {

		print_line(E->key()+" count: "+itos(E->get()));
	}

};


void _OS::print_all_resources(const String& p_to_file ) {

	OS::get_singleton()->print_all_resources(p_to_file);
}

void _OS::print_resources_in_use(bool p_short) {

	OS::get_singleton()->print_resources_in_use(p_short);
}

void _OS::dump_resources_to_file(const String& p_file) {

	OS::get_singleton()->dump_resources_to_file(p_file.utf8().get_data());
}

String _OS::get_data_dir() const {

	return OS::get_singleton()->get_data_dir();
};

float _OS::get_frames_per_second() const {

	return OS::get_singleton()->get_frames_per_second();
}

Error _OS::native_video_play(String p_path, float p_volume) {

	return OS::get_singleton()->native_video_play(p_path, p_volume);
};

bool _OS::native_video_is_playing() {

	return OS::get_singleton()->native_video_is_playing();
};

void _OS::native_video_pause() {

	OS::get_singleton()->native_video_pause();
};

void _OS::native_video_stop() {

	OS::get_singleton()->native_video_stop();
};


String _OS::get_custom_level() const {

	return OS::get_singleton()->get_custom_level();
}
_OS *_OS::singleton=NULL;

void _OS::_bind_methods() {

	//ObjectTypeDB::bind_method(_MD("get_mouse_pos"),&_OS::get_mouse_pos);
	//ObjectTypeDB::bind_method(_MD("is_mouse_grab_enabled"),&_OS::is_mouse_grab_enabled);

	ObjectTypeDB::bind_method(_MD("set_clipboard","clipboard"),&_OS::set_clipboard);
	ObjectTypeDB::bind_method(_MD("get_clipboard"),&_OS::get_clipboard);

	ObjectTypeDB::bind_method(_MD("set_video_mode","size","fullscreen","resizable","screen"),&_OS::set_video_mode,DEFVAL(0));
	ObjectTypeDB::bind_method(_MD("get_video_mode_size","screen"),&_OS::get_video_mode,DEFVAL(0));
	ObjectTypeDB::bind_method(_MD("is_video_mode_fullscreen","screen"),&_OS::is_video_mode_fullscreen,DEFVAL(0));
	ObjectTypeDB::bind_method(_MD("is_video_mode_resizable","screen"),&_OS::is_video_mode_resizable,DEFVAL(0));
	ObjectTypeDB::bind_method(_MD("get_fullscreen_mode_list","screen"),&_OS::get_fullscreen_mode_list,DEFVAL(0));

	ObjectTypeDB::bind_method(_MD("set_iterations_per_second","iterations_per_second"),&_OS::set_iterations_per_second);
	ObjectTypeDB::bind_method(_MD("get_iterations_per_second"),&_OS::get_iterations_per_second);
	ObjectTypeDB::bind_method(_MD("set_target_fps","target_fps"),&_OS::set_target_fps);
	ObjectTypeDB::bind_method(_MD("get_target_fps"),&_OS::get_target_fps);

	ObjectTypeDB::bind_method(_MD("has_touchscreen_ui_hint"),&_OS::has_touchscreen_ui_hint);



	ObjectTypeDB::bind_method(_MD("set_low_processor_usage_mode","enable"),&_OS::set_low_processor_usage_mode);
	ObjectTypeDB::bind_method(_MD("is_in_low_processor_usage_mode"),&_OS::is_in_low_processor_usage_mode);

	ObjectTypeDB::bind_method(_MD("get_processor_count"),&_OS::get_processor_count);

	ObjectTypeDB::bind_method(_MD("get_executable_path"),&_OS::get_executable_path);
	ObjectTypeDB::bind_method(_MD("execute","path","arguments","blocking","output"),&_OS::execute,DEFVAL(Array()));
	ObjectTypeDB::bind_method(_MD("kill","pid"),&_OS::kill);
	ObjectTypeDB::bind_method(_MD("shell_open","uri"),&_OS::shell_open);
	ObjectTypeDB::bind_method(_MD("get_process_ID"),&_OS::get_process_ID);

	ObjectTypeDB::bind_method(_MD("get_environment","environment"),&_OS::get_environment);
	ObjectTypeDB::bind_method(_MD("has_environment","environment"),&_OS::has_environment);

	ObjectTypeDB::bind_method(_MD("get_name"),&_OS::get_name);
	ObjectTypeDB::bind_method(_MD("get_cmdline_args"),&_OS::get_cmdline_args);
	ObjectTypeDB::bind_method(_MD("get_main_loop"),&_OS::get_main_loop);

	ObjectTypeDB::bind_method(_MD("get_date"),&_OS::get_date);
	ObjectTypeDB::bind_method(_MD("get_time"),&_OS::get_time);
	ObjectTypeDB::bind_method(_MD("get_unix_time"),&_OS::get_unix_time);

	ObjectTypeDB::bind_method(_MD("set_icon"),&_OS::set_icon);

	ObjectTypeDB::bind_method(_MD("delay_usec","usec"),&_OS::delay_usec);
	ObjectTypeDB::bind_method(_MD("delay_msec","msec"),&_OS::delay_msec);
	ObjectTypeDB::bind_method(_MD("get_ticks_msec"),&_OS::get_ticks_msec);
	ObjectTypeDB::bind_method(_MD("get_locale"),&_OS::get_locale);
	ObjectTypeDB::bind_method(_MD("get_model_name"),&_OS::get_model_name);

	ObjectTypeDB::bind_method(_MD("get_custom_level"),&_OS::get_custom_level);

	ObjectTypeDB::bind_method(_MD("can_draw"),&_OS::can_draw);
	ObjectTypeDB::bind_method(_MD("get_frames_drawn"),&_OS::get_frames_drawn);
	ObjectTypeDB::bind_method(_MD("is_stdout_verbose"),&_OS::is_stdout_verbose);

	ObjectTypeDB::bind_method(_MD("can_use_threads"),&_OS::can_use_threads);

	//ObjectTypeDB::bind_method(_MD("get_mouse_button_state"),&_OS::get_mouse_button_state);

	ObjectTypeDB::bind_method(_MD("dump_memory_to_file","file"),&_OS::dump_memory_to_file);
	ObjectTypeDB::bind_method(_MD("dump_resources_to_file","file"),&_OS::dump_resources_to_file);
	ObjectTypeDB::bind_method(_MD("print_resources_in_use","short"),&_OS::print_resources_in_use,DEFVAL(false));
	ObjectTypeDB::bind_method(_MD("print_all_resources","tofile"),&_OS::print_all_resources,DEFVAL(""));

	ObjectTypeDB::bind_method(_MD("get_static_memory_usage"),&_OS::get_static_memory_usage);
	ObjectTypeDB::bind_method(_MD("get_static_memory_peak_usage"),&_OS::get_static_memory_peak_usage);
	ObjectTypeDB::bind_method(_MD("get_dynamic_memory_usage"),&_OS::get_dynamic_memory_usage);

	ObjectTypeDB::bind_method(_MD("get_data_dir"),&_OS::get_data_dir);
	ObjectTypeDB::bind_method(_MD("get_unique_ID"),&_OS::get_unique_ID);

	ObjectTypeDB::bind_method(_MD("get_frames_per_second"),&_OS::get_frames_per_second);

	ObjectTypeDB::bind_method(_MD("print_all_textures_by_size"),&_OS::print_all_textures_by_size);
	ObjectTypeDB::bind_method(_MD("print_resources_by_type"),&_OS::print_resources_by_type);

	ObjectTypeDB::bind_method(_MD("native_video_play"),&_OS::native_video_play);
	ObjectTypeDB::bind_method(_MD("native_video_is_playing"),&_OS::native_video_is_playing);
	ObjectTypeDB::bind_method(_MD("native_video_stop"),&_OS::native_video_stop);
	ObjectTypeDB::bind_method(_MD("native_video_pause"),&_OS::native_video_pause);


	BIND_CONSTANT( DAY_SUNDAY );
	BIND_CONSTANT( DAY_MONDAY );
	BIND_CONSTANT( DAY_TUESDAY );
	BIND_CONSTANT( DAY_WEDNESDAY );
	BIND_CONSTANT( DAY_THURSDAY );
	BIND_CONSTANT( DAY_FRIDAY );
	BIND_CONSTANT( DAY_SATURDAY );

	BIND_CONSTANT( MONTH_JANUARY );
	BIND_CONSTANT( MONTH_FEBRUARY );
	BIND_CONSTANT( MONTH_MARCH );
	BIND_CONSTANT( MONTH_APRIL );
	BIND_CONSTANT( MONTH_MAY );
	BIND_CONSTANT( MONTH_JUNE );
	BIND_CONSTANT( MONTH_JULY );
	BIND_CONSTANT( MONTH_AUGUST );
	BIND_CONSTANT( MONTH_SEPTEMBER );
	BIND_CONSTANT( MONTH_OCTOBER );
	BIND_CONSTANT( MONTH_NOVEMBER );
	BIND_CONSTANT( MONTH_DECEMBER );


}

_OS::_OS() {

	singleton=this;
}


///////////////////// GEOMETRY


_Geometry *_Geometry::singleton=NULL;

_Geometry *_Geometry::get_singleton() {

	return singleton;
}

DVector<Plane> _Geometry::build_box_planes(const Vector3& p_extents) {

	return Geometry::build_box_planes(p_extents);
}

DVector<Plane> _Geometry::build_cylinder_planes(float p_radius, float p_height, int p_sides, Vector3::Axis p_axis) {

	return Geometry::build_cylinder_planes(p_radius,p_height,p_sides,p_axis);
}
DVector<Plane> _Geometry::build_capsule_planes(float p_radius, float p_height, int p_sides, int p_lats, Vector3::Axis p_axis) {

	return Geometry::build_capsule_planes(p_radius,p_height,p_sides,p_lats,p_axis);
}

real_t _Geometry::segment_intersects_circle(const Vector2& p_from, const Vector2& p_to, const Vector2& p_circle_pos, real_t p_circle_radius) {

	return Geometry::segment_intersects_circle(p_from,p_to,p_circle_pos,p_circle_radius);
}

Variant _Geometry::segment_intersects_segment_2d(const Vector2& p_from_a,const Vector2& p_to_a,const Vector2& p_from_b,const Vector2& p_to_b) {

	Vector2 result;
	if (Geometry::segment_intersects_segment_2d(p_from_a, p_to_a, p_from_b, p_to_b, &result)) {

		return result;
	} else {
		return Variant();
	};
};

DVector<Vector2> _Geometry::get_closest_points_between_segments_2d( const Vector2& p1,const Vector2& q1, const Vector2& p2,const Vector2& q2) {

	Vector2 r1, r2;
	Geometry::get_closest_points_between_segments(p1,q1,p2,q2,r1,r2);
	DVector<Vector2> r;
	r.resize(2);
	r.set(0,r1);
	r.set(1,r2);
	return r;
}

DVector<Vector3> _Geometry::get_closest_points_between_segments(const Vector3& p1,const Vector3& p2,const Vector3& q1,const Vector3& q2) {

	Vector3 r1, r2;
	Geometry::get_closest_points_between_segments(p1,p2,q1,q2,r1,r2);
	DVector<Vector3> r;
	r.resize(2);
	r.set(0,r1);
	r.set(1,r2);
	return r;

}
Vector3 _Geometry::get_closest_point_to_segment(const Vector3& p_point, const Vector3& p_a,const Vector3& p_b) {

	Vector3 s[2]={p_a,p_b};
	return Geometry::get_closest_point_to_segment(p_point,s);
}
Variant _Geometry::ray_intersects_triangle( const Vector3& p_from, const Vector3& p_dir, const Vector3& p_v0,const Vector3& p_v1,const Vector3& p_v2) {

	Vector3 res;
	if (Geometry::ray_intersects_triangle(p_from,p_dir,p_v0,p_v1,p_v2,&res))
		return res;
	else
		return Variant();


}
Variant _Geometry::segment_intersects_triangle( const Vector3& p_from, const Vector3& p_to, const Vector3& p_v0,const Vector3& p_v1,const Vector3& p_v2) {

	Vector3 res;
	if (Geometry::segment_intersects_triangle(p_from,p_to,p_v0,p_v1,p_v2,&res))
		return res;
	else
		return Variant();

}
DVector<Vector3> _Geometry::segment_intersects_sphere( const Vector3& p_from, const Vector3& p_to, const Vector3& p_sphere_pos,real_t p_sphere_radius) {

	DVector<Vector3> r;
	Vector3 res,norm;
	if (!Geometry::segment_intersects_sphere(p_from,p_to,p_sphere_pos,p_sphere_radius,&res,&norm))
		return r;

	r.resize(2);
	r.set(0,res);
	r.set(1,norm);
	return r;
}
DVector<Vector3> _Geometry::segment_intersects_cylinder( const Vector3& p_from, const Vector3& p_to, float p_height,float p_radius) {

	DVector<Vector3> r;
	Vector3 res,norm;
	if (!Geometry::segment_intersects_cylinder(p_from,p_to,p_height,p_radius,&res,&norm))
		return r;

	r.resize(2);
	r.set(0,res);
	r.set(1,norm);
	return r;

}
DVector<Vector3> _Geometry::segment_intersects_convex(const Vector3& p_from, const Vector3& p_to,const Vector<Plane>& p_planes) {

	DVector<Vector3> r;
	Vector3 res,norm;
	if (!Geometry::segment_intersects_convex(p_from,p_to,p_planes.ptr(),p_planes.size(),&res,&norm))
		return r;

	r.resize(2);
	r.set(0,res);
	r.set(1,norm);
	return r;
}

Vector<int> _Geometry::triangulate_polygon(const Vector<Vector2>& p_polygon) {

	return Geometry::triangulate_polygon(p_polygon);
}

void _Geometry::_bind_methods() {


	ObjectTypeDB::bind_method(_MD("build_box_planes","extents"),&_Geometry::build_box_planes);
	ObjectTypeDB::bind_method(_MD("build_cylinder_planes","radius","height","sides","axis"),&_Geometry::build_cylinder_planes,DEFVAL(Vector3::AXIS_Z));
	ObjectTypeDB::bind_method(_MD("build_capsule_planes","radius","height","sides","lats","axis"),&_Geometry::build_capsule_planes,DEFVAL(Vector3::AXIS_Z));
	ObjectTypeDB::bind_method(_MD("segment_intersects_circle","segment_from","segment_to","circle_pos","circle_radius"),&_Geometry::segment_intersects_circle);
	ObjectTypeDB::bind_method(_MD("segment_intersects_segment_2d","from_a","to_a","from_b","to_b"),&_Geometry::segment_intersects_segment_2d);

	ObjectTypeDB::bind_method(_MD("get_closest_points_between_segments_2d","p1","q1","p2","q2"),&_Geometry::get_closest_points_between_segments_2d);
	ObjectTypeDB::bind_method(_MD("get_closest_points_between_segments","p1","p2","q1","q2"),&_Geometry::get_closest_points_between_segments);

	ObjectTypeDB::bind_method(_MD("get_closest_point_to_segment","point","s1","s2"),&_Geometry::get_closest_point_to_segment);

	ObjectTypeDB::bind_method(_MD("ray_intersects_triangle","from","dir","a","b","c"),&_Geometry::ray_intersects_triangle);
	ObjectTypeDB::bind_method(_MD("segment_intersects_triangle","from","to","a","b","c"),&_Geometry::segment_intersects_triangle);
	ObjectTypeDB::bind_method(_MD("segment_intersects_sphere","from","to","spos","sradius"),&_Geometry::segment_intersects_sphere);
	ObjectTypeDB::bind_method(_MD("segment_intersects_cylinder","from","to","height","radius"),&_Geometry::segment_intersects_cylinder);
	ObjectTypeDB::bind_method(_MD("segment_intersects_convex","from","to","planes"),&_Geometry::segment_intersects_convex);

	ObjectTypeDB::bind_method(_MD("triangulate_polygon","polygon"),&_Geometry::triangulate_polygon);

}


_Geometry::_Geometry() {
	singleton=this;
}


///////////////////////// FILE



Error _File::open_encrypted(const String& p_path, int p_mode_flags,const Vector<uint8_t>& p_key) {

	Error err = open(p_path,p_mode_flags);
	if (err)
		return err;

	FileAccessEncrypted *fae = memnew( FileAccessEncrypted );
	err = fae->open_and_parse(f,p_key,(p_mode_flags==WRITE)?FileAccessEncrypted::MODE_WRITE_AES256:FileAccessEncrypted::MODE_READ);
	if (err) {
		memdelete(fae);
		close();
		return err;
	}
	f=fae;
	return OK;
}

Error _File::open_encrypted_pass(const String& p_path, int p_mode_flags,const String& p_pass) {

	Error err = open(p_path,p_mode_flags);
	if (err)
		return err;

	FileAccessEncrypted *fae = memnew( FileAccessEncrypted );
	err = fae->open_and_parse_password(f,p_pass,(p_mode_flags==WRITE)?FileAccessEncrypted::MODE_WRITE_AES256:FileAccessEncrypted::MODE_READ);
	if (err) {
		memdelete(fae);
		close();
		return err;
	}

	f=fae;
	return OK;

}


Error _File::open(const String& p_path, int p_mode_flags) {

	close();
	Error err;
	f = FileAccess::open(p_path,p_mode_flags,&err);
	if (f)
		f->set_endian_swap(eswap);
	return err;

}

void _File::close(){

	if (f)
		memdelete(f);
	f=NULL;
}
bool _File::is_open() const{


	return f!=NULL;
}

void _File::seek(int64_t p_position){

	ERR_FAIL_COND(!f);
	f->seek(p_position);

}
void _File::seek_end(int64_t p_position){


	ERR_FAIL_COND(!f);
	f->seek_end(p_position);
}
int64_t _File::get_pos() const{


	ERR_FAIL_COND_V(!f,0);
	return f->get_pos();
}

int64_t _File::get_len() const{

	ERR_FAIL_COND_V(!f,0);
	return f->get_len();
}

bool _File::eof_reached() const{

	ERR_FAIL_COND_V(!f,false);
	return f->eof_reached();
}

uint8_t _File::get_8() const{

	ERR_FAIL_COND_V(!f,0);
	return f->get_8();

}
uint16_t _File::get_16() const{

	ERR_FAIL_COND_V(!f,0);
	return f->get_16();

}
uint32_t _File::get_32() const{

	ERR_FAIL_COND_V(!f,0);
	return f->get_32();

}
uint64_t _File::get_64() const{

	ERR_FAIL_COND_V(!f,0);
	return f->get_64();

}

float _File::get_float() const{

	ERR_FAIL_COND_V(!f,0);
	return f->get_float();

}
double _File::get_double() const{


	ERR_FAIL_COND_V(!f,0);
	return f->get_double();
}
real_t _File::get_real() const{


	ERR_FAIL_COND_V(!f,0);
	return f->get_real();
}

DVector<uint8_t> _File::get_buffer(int p_length) const{

	DVector<uint8_t> data;
	ERR_FAIL_COND_V(!f,data);

	ERR_FAIL_COND_V(p_length<0,data);
	if (p_length==0)
		return data;
	Error err = data.resize(p_length);
	ERR_FAIL_COND_V(err!=OK,data);
	DVector<uint8_t>::Write w = data.write();
	int len = f->get_buffer(&w[0],p_length);
	ERR_FAIL_COND_V( len < 0 , DVector<uint8_t>());

	w = DVector<uint8_t>::Write();

	if (len < p_length)
		data.resize(p_length);

	return data;

}


String _File::get_as_text() const {

	String text;
	String l = get_line();
	while(!eof_reached()) {
		text+=l+"\n";
		l = get_line();
	}

	return text;


}
String _File::get_line() const{

	ERR_FAIL_COND_V(!f,String());
	return f->get_line();

}

Vector<String> _File::get_csv_line() const {
	ERR_FAIL_COND_V(!f,Vector<String>());
	return f->get_csv_line();
}

/**< use this for files WRITTEN in _big_ endian machines (ie, amiga/mac)
 * It's not about the current CPU type but file formats.
 * this flags get reset to false (little endian) on each open
 */

void _File::set_endian_swap(bool p_swap){


	eswap=p_swap;
	if (f)
		f->set_endian_swap(p_swap);

}
bool _File::get_endian_swap(){


	return eswap;
}

Error _File::get_error() const{

	if (!f)
		return ERR_UNCONFIGURED;
	return f->get_error();
}

void _File::store_8(uint8_t p_dest){

	ERR_FAIL_COND(!f);

	f->store_8(p_dest);
}
void _File::store_16(uint16_t p_dest){

	ERR_FAIL_COND(!f);

	f->store_16(p_dest);
}
void _File::store_32(uint32_t p_dest){

	ERR_FAIL_COND(!f);

	f->store_32(p_dest);
}
void _File::store_64(uint64_t p_dest){

	ERR_FAIL_COND(!f);

	f->store_64(p_dest);
}

void _File::store_float(float p_dest){

	ERR_FAIL_COND(!f);

	f->store_float(p_dest);
}
void _File::store_double(double p_dest){

	ERR_FAIL_COND(!f);

	f->store_double(p_dest);
}
void _File::store_real(real_t p_real){

	ERR_FAIL_COND(!f);

	f->store_real(p_real);
}

void _File::store_string(const String& p_string){

	ERR_FAIL_COND(!f);

	f->store_string(p_string);
}

void _File::store_pascal_string(const String& p_string) {

	ERR_FAIL_COND(!f);

	f->store_pascal_string(p_string);
};

String _File::get_pascal_string() {

	ERR_FAIL_COND_V(!f, "");

	return f->get_pascal_string();
};

void _File::store_line(const String& p_string){

	ERR_FAIL_COND(!f);
	f->store_line(p_string);
}

void _File::store_buffer(const DVector<uint8_t>& p_buffer){

	ERR_FAIL_COND(!f);

	int len = p_buffer.size();
	if (len==0)
		return;

	DVector<uint8_t>::Read r = p_buffer.read();

	f->store_buffer(&r[0],len);
}

bool _File::file_exists(const String& p_name) const{

	return FileAccess::exists(p_name);


}

void _File::store_var(const Variant& p_var) {

	ERR_FAIL_COND(!f);
	int len;
	Error err = encode_variant(p_var,NULL,len);
	ERR_FAIL_COND( err != OK );

	DVector<uint8_t> buff;
	buff.resize(len);
	DVector<uint8_t>::Write w = buff.write();

	err = encode_variant(p_var,&w[0],len);
	ERR_FAIL_COND( err != OK );
	w=DVector<uint8_t>::Write();

	store_32(len);
	store_buffer(buff);
}

Variant _File::get_var() const {

	ERR_FAIL_COND_V(!f,Variant());
	uint32_t len = get_32();
	DVector<uint8_t> buff = get_buffer(len);
	ERR_FAIL_COND_V(buff.size() != len, Variant());

	DVector<uint8_t>::Read r = buff.read();

	Variant v;
	Error err = decode_variant(v,&r[0],len);
	ERR_FAIL_COND_V( err!=OK, Variant() );

	return v;
}

void _File::_bind_methods() {


	ObjectTypeDB::bind_method(_MD("open_encrypted","path","mode_flags","key"),&_File::open_encrypted);
	ObjectTypeDB::bind_method(_MD("open_encrypted_with_pass","path","mode_flags","pass"),&_File::open_encrypted_pass);

	ObjectTypeDB::bind_method(_MD("open","path","flags"),&_File::open);
	ObjectTypeDB::bind_method(_MD("close"),&_File::close);
	ObjectTypeDB::bind_method(_MD("is_open"),&_File::is_open);
	ObjectTypeDB::bind_method(_MD("seek","pos"),&_File::seek);
	ObjectTypeDB::bind_method(_MD("seek_end","pos"),&_File::seek_end,DEFVAL(0));
	ObjectTypeDB::bind_method(_MD("get_pos"),&_File::get_pos);
	ObjectTypeDB::bind_method(_MD("get_len"),&_File::get_len);
	ObjectTypeDB::bind_method(_MD("eof_reached"),&_File::eof_reached);
	ObjectTypeDB::bind_method(_MD("get_8"),&_File::get_8);
	ObjectTypeDB::bind_method(_MD("get_16"),&_File::get_16);
	ObjectTypeDB::bind_method(_MD("get_32"),&_File::get_32);
	ObjectTypeDB::bind_method(_MD("get_64"),&_File::get_64);
	ObjectTypeDB::bind_method(_MD("get_float"),&_File::get_float);
	ObjectTypeDB::bind_method(_MD("get_double"),&_File::get_double);
	ObjectTypeDB::bind_method(_MD("get_real"),&_File::get_real);
	ObjectTypeDB::bind_method(_MD("get_buffer","len"),&_File::get_buffer);
	ObjectTypeDB::bind_method(_MD("get_line"),&_File::get_line);
	ObjectTypeDB::bind_method(_MD("get_as_text"),&_File::get_as_text);
	ObjectTypeDB::bind_method(_MD("get_endian_swap"),&_File::get_endian_swap);
	ObjectTypeDB::bind_method(_MD("set_endian_swap","enable"),&_File::set_endian_swap);
	ObjectTypeDB::bind_method(_MD("get_error:Error"),&_File::get_error);
	ObjectTypeDB::bind_method(_MD("get_var"),&_File::get_var);
	ObjectTypeDB::bind_method(_MD("get_csv_line"),&_File::get_csv_line);

	ObjectTypeDB::bind_method(_MD("store_8","value"),&_File::store_8);
	ObjectTypeDB::bind_method(_MD("store_16","value"),&_File::store_16);
	ObjectTypeDB::bind_method(_MD("store_32","value"),&_File::store_32);
	ObjectTypeDB::bind_method(_MD("store_64","value"),&_File::store_64);
	ObjectTypeDB::bind_method(_MD("store_float","value"),&_File::store_float);
	ObjectTypeDB::bind_method(_MD("store_double","value"),&_File::store_double);
	ObjectTypeDB::bind_method(_MD("store_real","value"),&_File::store_real);
	ObjectTypeDB::bind_method(_MD("store_buffer","buffer"),&_File::store_buffer);
	ObjectTypeDB::bind_method(_MD("store_line","line"),&_File::store_line);
	ObjectTypeDB::bind_method(_MD("store_string","string"),&_File::store_string);
	ObjectTypeDB::bind_method(_MD("store_var","value"),&_File::store_var);

	ObjectTypeDB::bind_method(_MD("store_pascal_string","string"),&_File::store_pascal_string);
	ObjectTypeDB::bind_method(_MD("get_pascal_string"),&_File::get_pascal_string);

	ObjectTypeDB::bind_method(_MD("file_exists","path"),&_File::file_exists);

	BIND_CONSTANT( READ );
	BIND_CONSTANT( WRITE );
	BIND_CONSTANT( READ_WRITE );
}

_File::_File(){

	f = NULL;
	eswap=false;

}

_File::~_File(){

	if (f)
		memdelete(f);

}

///////////////////////////////////////////////////////




Error _Directory::open(const String& p_path) {
	Error err;
	DirAccess *alt=DirAccess::open(p_path,&err);

	if (!alt)
		return err;
	if (d)
		memdelete(d);
	d=alt;

	return OK;
}

bool _Directory::list_dir_begin() {

	ERR_FAIL_COND_V(!d,false);
	return d->list_dir_begin();
}

String _Directory::get_next(){

	ERR_FAIL_COND_V(!d,"");
	return d->get_next();
}
bool _Directory::current_is_dir() const{

	ERR_FAIL_COND_V(!d,false);
	return d->current_is_dir();
}

void _Directory::list_dir_end(){

	ERR_FAIL_COND(!d);
	return d->list_dir_end();
}

int _Directory::get_drive_count(){

	ERR_FAIL_COND_V(!d,0);
	return d->get_drive_count();
}
String _Directory::get_drive(int p_drive){

	ERR_FAIL_COND_V(!d,"");
	return d->get_drive(p_drive);
}

Error _Directory::change_dir(String p_dir){

	ERR_FAIL_COND_V(!d,ERR_UNCONFIGURED);
	return d->change_dir(p_dir);
}
String _Directory::get_current_dir() {

	ERR_FAIL_COND_V(!d,"");
	return d->get_current_dir();
}
Error _Directory::make_dir(String p_dir){

	ERR_FAIL_COND_V(!d,ERR_UNCONFIGURED);
	return d->make_dir(p_dir);
}
Error _Directory::make_dir_recursive(String p_dir){

	ERR_FAIL_COND_V(!d,ERR_UNCONFIGURED);
	return d->make_dir_recursive(p_dir);
}

bool _Directory::file_exists(String p_file){

	ERR_FAIL_COND_V(!d,false);
	return d->file_exists(p_file);
}

bool _Directory::dir_exists(String p_dir) {
	ERR_FAIL_COND_V(!d,false);
	return d->dir_exists(p_dir);
}

int _Directory::get_space_left(){

	ERR_FAIL_COND_V(!d,0);
	return d->get_space_left();
}

Error _Directory::copy(String p_from,String p_to){

	ERR_FAIL_COND_V(!d,ERR_UNCONFIGURED);
	return d->copy(p_from,p_to);
}
Error _Directory::rename(String p_from, String p_to){

	ERR_FAIL_COND_V(!d,ERR_UNCONFIGURED);
	return d->rename(p_from,p_to);

}
Error _Directory::remove(String p_name){

	ERR_FAIL_COND_V(!d,ERR_UNCONFIGURED);
	return d->remove(p_name);
}

void _Directory::_bind_methods() {


	ObjectTypeDB::bind_method(_MD("open:Error","path"),&_Directory::open);
	ObjectTypeDB::bind_method(_MD("list_dir_begin"),&_Directory::list_dir_begin);
	ObjectTypeDB::bind_method(_MD("get_next"),&_Directory::get_next);
	ObjectTypeDB::bind_method(_MD("current_is_dir"),&_Directory::current_is_dir);
	ObjectTypeDB::bind_method(_MD("list_dir_end"),&_Directory::list_dir_end);
	ObjectTypeDB::bind_method(_MD("get_drive_count"),&_Directory::get_drive_count);
	ObjectTypeDB::bind_method(_MD("get_drive","idx"),&_Directory::get_drive);
	ObjectTypeDB::bind_method(_MD("change_dir:Error","todir"),&_Directory::change_dir);
	ObjectTypeDB::bind_method(_MD("get_current_dir"),&_Directory::get_current_dir);
	ObjectTypeDB::bind_method(_MD("make_dir:Error","name"),&_Directory::make_dir);
	ObjectTypeDB::bind_method(_MD("make_dir_recursive:Error","name"),&_Directory::make_dir_recursive);
	ObjectTypeDB::bind_method(_MD("file_exists","name"),&_Directory::file_exists);
	ObjectTypeDB::bind_method(_MD("dir_exists","name"),&_Directory::dir_exists);
//	ObjectTypeDB::bind_method(_MD("get_modified_time","file"),&_Directory::get_modified_time);
	ObjectTypeDB::bind_method(_MD("get_space_left"),&_Directory::get_space_left);
	ObjectTypeDB::bind_method(_MD("copy:Error","from","to"),&_Directory::copy);
	ObjectTypeDB::bind_method(_MD("rename:Error","from","to"),&_Directory::rename);
	ObjectTypeDB::bind_method(_MD("remove:Error","file"),&_Directory::remove);

}

_Directory::_Directory() {

	d = DirAccess::create(DirAccess::ACCESS_RESOURCES);
}

_Directory::~_Directory() {

	if (d)
		memdelete(d);
}

String _Marshalls::variant_to_base64(const Variant& p_var) {

	int len;
	Error err = encode_variant(p_var,NULL,len);
	ERR_FAIL_COND_V( err != OK, "" );

	DVector<uint8_t> buff;
	buff.resize(len);
	DVector<uint8_t>::Write w = buff.write();

	err = encode_variant(p_var,&w[0],len);
	ERR_FAIL_COND_V( err != OK, "" );

	int b64len = len / 3 * 4 + 4 + 1;
	DVector<uint8_t> b64buff;
	b64buff.resize(b64len);
	DVector<uint8_t>::Write w64 = b64buff.write();

	int strlen = base64_encode((char*)(&w64[0]), (char*)(&w[0]), len);
	//OS::get_singleton()->print("len is %i, vector size is %i\n", b64len, strlen);
	w64[strlen] = 0;
	String ret = (char*)&w64[0];

	return ret;
};

Variant _Marshalls::base64_to_variant(const String& p_str) {

	int strlen = p_str.length();
	CharString cstr = p_str.ascii();

	DVector<uint8_t> buf;
	buf.resize(strlen / 4 * 3 + 1);
	DVector<uint8_t>::Write w = buf.write();

	int len = base64_decode((char*)(&w[0]), (char*)cstr.get_data(), strlen);

	Variant v;
	Error err = decode_variant(v, &w[0], len);
	ERR_FAIL_COND_V( err!=OK, Variant() );

	return v;
};


void _Marshalls::_bind_methods() {

	ObjectTypeDB::bind_method(_MD("variant_to_base64:String","variant"),&_Marshalls::variant_to_base64);
	ObjectTypeDB::bind_method(_MD("base64_to_variant:Variant","base64_str"),&_Marshalls::base64_to_variant);

};



////////////////




Error _Semaphore::wait() {

	return semaphore->wait();
}

Error _Semaphore::post() {

	return semaphore->post();
}


void _Semaphore::_bind_methods() {

	ObjectTypeDB::bind_method(_MD("wait:Error"),&_Semaphore::wait);
	ObjectTypeDB::bind_method(_MD("post:Error"),&_Semaphore::post);

}


_Semaphore::_Semaphore() {

	semaphore =Semaphore::create();
}

_Semaphore::~_Semaphore(){

	memdelete(semaphore);
}


///////////////


void _Mutex::lock() {

	mutex->lock();
}

Error _Mutex::try_lock(){

	return mutex->try_lock();
}

void _Mutex::unlock(){

	mutex->unlock();
}

void _Mutex::_bind_methods() {

	ObjectTypeDB::bind_method(_MD("lock"),&_Mutex::lock);
	ObjectTypeDB::bind_method(_MD("try_lock:Error"),&_Mutex::try_lock);
	ObjectTypeDB::bind_method(_MD("unlock"),&_Mutex::unlock);

}


_Mutex::_Mutex() {

	mutex =Mutex::create();
}

_Mutex::~_Mutex(){

	memdelete(mutex);
}


///////////////



void _Thread::_start_func(void *ud) {

	_Thread *t=(_Thread*)ud;
	Variant::CallError ce;
	const Variant* arg[1]={&t->userdata};
	t->ret=t->target_instance->call(t->target_method,arg,1,ce);
	if (ce.error!=Variant::CallError::CALL_OK) {

		String reason;
		switch(ce.error) {
			case Variant::CallError::CALL_ERROR_INVALID_ARGUMENT: {

				reason="Invalid Argument #"+itos(ce.argument);
			} break;
			case Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS: {

				reason="Too Many Arguments";
			} break;
			case Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS: {

				reason="Too Many Arguments";
			} break;
			case Variant::CallError::CALL_ERROR_INVALID_METHOD: {

				reason="Method Not Found";
			} break;
			default: {}
		}

		ERR_EXPLAIN("Could not call function '"+t->target_method.operator String()+"'' starting thread ID: "+t->get_id()+" Reason: "+reason);
		ERR_FAIL();
	}

}

Error _Thread::start(Object *p_instance,const StringName& p_method,const Variant& p_userdata,int p_priority) {

	ERR_FAIL_COND_V(active,ERR_ALREADY_IN_USE);
	ERR_FAIL_COND_V(!p_instance,ERR_INVALID_PARAMETER);
	ERR_FAIL_COND_V(p_method==StringName(),ERR_INVALID_PARAMETER);
	ERR_FAIL_INDEX_V(p_priority,3,ERR_INVALID_PARAMETER);


	ret=Variant();
	target_method=p_method;
	target_instance=p_instance;
	userdata=p_userdata;
	active=true;

	Thread::Settings s;
	s.priority=(Thread::Priority)p_priority;
	thread = Thread::create(_start_func,this,s);
	if (!thread) {
		active=false;
		target_method=StringName();
		target_instance=NULL;
		userdata=Variant();
		return ERR_CANT_CREATE;
	}

	return OK;
}

String _Thread::get_id() const {

	if (!thread)
		return String();

	return itos(thread->get_ID());
}


bool _Thread::is_active() const {

	return active;
}
Variant _Thread::wait_to_finish() {

	ERR_FAIL_COND_V(!thread,Variant());
	ERR_FAIL_COND_V(!active,Variant());
	Thread::wait_to_finish(thread);
	Variant r = ret;
	active=false;
	target_method=StringName();
	target_instance=NULL;
	userdata=Variant();
	thread=NULL;

	return r;
}

void _Thread::_bind_methods() {

	ObjectTypeDB::bind_method(_MD("start:Error","instance","method","userdata","priority"),&_Thread::start,DEFVAL(Variant()),DEFVAL(PRIORITY_NORMAL));
	ObjectTypeDB::bind_method(_MD("get_id"),&_Thread::get_id);
	ObjectTypeDB::bind_method(_MD("is_active"),&_Thread::is_active);
	ObjectTypeDB::bind_method(_MD("wait_to_finish:var"),&_Thread::wait_to_finish);

	BIND_CONSTANT( PRIORITY_LOW );
	BIND_CONSTANT( PRIORITY_NORMAL );
	BIND_CONSTANT( PRIORITY_HIGH );

}
_Thread::_Thread() {

	active=false;
	thread=NULL;
	target_instance=NULL;
}

_Thread::~_Thread() {

	ERR_FAIL_COND(active==true);
}