/*************************************************************************/
/*  spatial_editor_plugin.cpp                                            */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/
#include "spatial_editor_plugin.h"
#include "print_string.h"

#include "os/keyboard.h"
#include "scene/3d/visual_instance.h"
#include "scene/3d/camera.h"
#include "camera_matrix.h"
#include "sort.h"
#include "tools/editor/editor_node.h"
#include "tools/editor/editor_settings.h"
#include "scene/resources/surface_tool.h"
#include "tools/editor/spatial_editor_gizmos.h"

#define DISTANCE_DEFAULT 4


#define GIZMO_ARROW_SIZE 0.3
#define GIZMO_RING_HALF_WIDTH 0.1
//#define GIZMO_SCALE_DEFAULT 0.28
#define GIZMO_SCALE_DEFAULT 0.15


//void SpatialEditorViewport::_update_camera();

String SpatialEditorGizmo::get_handle_name(int p_idx) const {

	return "";
}

Variant SpatialEditorGizmo::get_handle_value(int p_idx) const{

	return Variant();
}

void SpatialEditorGizmo::set_handle(int p_idx,Camera *p_camera, const Point2& p_point) {

}

void SpatialEditorGizmo::commit_handle(int p_idx,const Variant& p_restore,bool p_cancel){


}

bool SpatialEditorGizmo::intersect_frustum(const Camera *p_camera,const Vector<Plane> &p_frustum) {

	return false;
}

bool SpatialEditorGizmo::intersect_ray(const Camera *p_camera, const Point2 &p_point, Vector3& r_pos, Vector3& r_normal,int *r_gizmo_handle,bool p_sec_first) {

	return false;
}

SpatialEditorGizmo::SpatialEditorGizmo(){


}



int SpatialEditorViewport::get_selected_count() const {


	Map<Node*,Object*> &selection = editor_selection->get_selection();

	int count=0;

	for(Map<Node*,Object*>::Element *E=selection.front();E;E=E->next()) {

		Spatial *sp = E->key()->cast_to<Spatial>();
		if (!sp)
			continue;

		SpatialEditorSelectedItem *se=editor_selection->get_node_editor_data<SpatialEditorSelectedItem>(sp);
		if (!se)
			continue;

		count++;
	}

	return count;
}



float SpatialEditorViewport::get_znear() const {

	float val = spatial_editor->get_znear();
	if (val<0.001)
		val=0.001;
	return val;
}
float SpatialEditorViewport::get_zfar() const{

	float val = spatial_editor->get_zfar();
	if (val<0.001)
		val=0.001;
	return val;

}
float SpatialEditorViewport::get_fov() const{

	float val = spatial_editor->get_fov();
	if (val<0.001)
		val=0.001;
	if (val>89)
		val=89;
	return val;

}



Transform SpatialEditorViewport::_get_camera_transform() const {

	return camera->get_global_transform();
}

Vector3 SpatialEditorViewport::_get_camera_pos() const {

	return _get_camera_transform().origin;
}

Point2 SpatialEditorViewport::_point_to_screen(const Vector3& p_point) {

	return camera->unproject_position(p_point);

}

Vector3 SpatialEditorViewport::_get_ray_pos(const Vector2& p_pos) const {

	return camera->project_ray_origin(p_pos);
}


Vector3 SpatialEditorViewport::_get_camera_normal() const {

	return -_get_camera_transform().basis.get_axis(2);
}

Vector3 SpatialEditorViewport::_get_ray(const Vector2& p_pos) {


	return camera->project_ray_normal(p_pos);


}
/*
void SpatialEditorViewport::_clear_id(Spatial *p_node) {


	editor_selection->remove_node(p_node);


}
*/
void SpatialEditorViewport::_clear_selected() {

	editor_selection->clear();
}



void SpatialEditorViewport::_select_clicked(bool p_append,bool p_single) {

	if (!clicked)
		return;

	Object *obj = ObjectDB::get_instance(clicked);
	if (!obj)
		return;


	Spatial *sp = obj->cast_to<Spatial>();
	if (!sp)
		return;

	_select(sp, clicked_wants_append,true);
}



void SpatialEditorViewport::_select(Spatial *p_node, bool p_append,bool p_single) {


	if (!p_append) {

		// should not modify the selection..

		editor_selection->clear();
		editor_selection->add_node(p_node);

	} else {

		if (editor_selection->is_selected(p_node) && p_single) {
			//erase
			editor_selection->remove_node(p_node);
		} else {

			editor_selection->add_node(p_node);
		}

	}

}


struct _RayResult {

	Spatial* item;
	float depth;
	int handle;
	_FORCE_INLINE_ bool operator<(const _RayResult& p_rr) const { return depth<p_rr.depth; }
};

ObjectID SpatialEditorViewport::_select_ray(const Point2& p_pos, bool p_append,bool &r_includes_current,int *r_gizmo_handle,bool p_alt_select) {

	if (r_gizmo_handle)
		*r_gizmo_handle=-1;

	Vector3 ray=_get_ray(p_pos);
	Vector3 pos=_get_ray_pos(p_pos);

	Vector<RID> instances=VisualServer::get_singleton()->instances_cull_ray(pos,ray,get_scene()->get_root()->get_world()->get_scenario() );
	Set<Ref<SpatialEditorGizmo> > found_gizmos;

	//uint32_t closest=0;
//	float closest_dist=0;

	r_includes_current=false;

	List<_RayResult> results;
	Vector3 cn=_get_camera_normal();
	Plane cplane(pos,cn.normalized());

	float min_d=1e20;

	for (int i=0;i<instances.size();i++) {

		uint32_t id=VisualServer::get_singleton()->instance_get_object_instance_ID(instances[i]);
		Object *obj=ObjectDB::get_instance(id);
		if (!obj)
			continue;

		Spatial *spat=obj->cast_to<Spatial>();

		if (!spat)
			continue;

		Ref<SpatialEditorGizmo> seg = spat->get_gizmo();

		if (!seg.is_valid())
			continue;

		if (found_gizmos.has(seg))
			continue;

		found_gizmos.insert(seg);
		Vector3 point;
		Vector3 normal;

		int handle=-1;
		bool inters = seg->intersect_ray(camera,p_pos,point,normal,&handle,p_alt_select);

		if (!inters)
			continue;

		float dist = pos.distance_to(point);

		if (dist<0)
			continue;



		if (editor_selection->is_selected(spat))
			r_includes_current=true;

		_RayResult res;
		res.item=spat;
		res.depth=dist;
		res.handle=handle;
		results.push_back(res);
	}


	if (results.empty())
		return 0;

	results.sort();
	Spatial *s=NULL;


	if (!r_includes_current || results.size()==1 || (r_gizmo_handle && results.front()->get().handle>=0)) {

		//return the nearest one
		s = results.front()->get().item;
		if (r_gizmo_handle)
			*r_gizmo_handle=results.front()->get().handle;

	} else {

		//returns the next one from a curent selection
		List<_RayResult>::Element *E=results.front();
		List<_RayResult>::Element *S=NULL;


		while(true) {

			//very strange loop algorithm that complies with object selection standards (tm).

			if (S==E) {
				//went all around and anothing was found
				//since can't rotate the selection
				//just return the first one

				s=results.front()->get().item;
				break;

			}

			if (!S && editor_selection->is_selected(E->get().item)) {
				//found an item currently in the selection,
				//so start from this one
				S=E;
			}

			if (S && !editor_selection->is_selected(E->get().item)) {
				// free item after a selected item, this one is desired.
				s=E->get().item;
				break;
			}

			E=E->next();
			if (!E) {

				if (!S) {
					//did a loop but nothing was selected, select first
					s=results.front()->get().item;
					break;

				}
				E=results.front();
			}
		}
	}

	if (!s)
		return 0;

	return s->get_instance_ID();

}


Vector3 SpatialEditorViewport::_get_screen_to_space(const Vector3& p_pos) {


	CameraMatrix cm;
	cm.set_perspective(get_fov(),get_size().get_aspect(),get_znear(),get_zfar());
	float screen_w,screen_h;
	cm.get_viewport_size(screen_w,screen_h);

	Transform camera_transform;
	camera_transform.translate( cursor.pos );
	camera_transform.basis.rotate(Vector3(0,1,0),cursor.y_rot);
	camera_transform.basis.rotate(Vector3(1,0,0),cursor.x_rot);
	camera_transform.translate(0,0,cursor.distance);

	return camera_transform.xform(Vector3( ((p_pos.x/get_size().width)*2.0-1.0)*screen_w, ((1.0-(p_pos.y/get_size().height))*2.0-1.0)*screen_h,-get_znear()));

}


void SpatialEditorViewport::_select_region() {

	if (cursor.region_begin==cursor.region_end)
		return; //nothing really

	Vector3 box[4]={
		Vector3(
			MIN( cursor.region_begin.x, cursor.region_end.x),
			MIN( cursor.region_begin.y, cursor.region_end.y),
			0
			),
		Vector3(
			MAX( cursor.region_begin.x, cursor.region_end.x),
			MIN( cursor.region_begin.y, cursor.region_end.y),
			0
			),
		Vector3(
			MAX( cursor.region_begin.x, cursor.region_end.x),
			MAX( cursor.region_begin.y, cursor.region_end.y),
			0
			),
		Vector3(
			MIN( cursor.region_begin.x, cursor.region_end.x),
			MAX( cursor.region_begin.y, cursor.region_end.y),
			0
			)
	};

	Vector<Plane> frustum;

	Vector3 cam_pos=_get_camera_pos();
	Set<Ref<SpatialEditorGizmo> > found_gizmos;

	for(int i=0;i<4;i++) {

		Vector3 a=_get_screen_to_space(box[i]);
		Vector3 b=_get_screen_to_space(box[(i+1)%4]);
		frustum.push_back( Plane(a,b,cam_pos) );
	}

	Plane near(  cam_pos, -_get_camera_normal() );
	near.d-=get_znear();

	frustum.push_back( near );

	Plane far=-near;
	far.d+=500.0;

	frustum.push_back( far );

	Vector<RID> instances=VisualServer::get_singleton()->instances_cull_convex(frustum,get_scene()->get_root()->get_world()->get_scenario());


	for (int i=0;i<instances.size();i++) {

		uint32_t id=VisualServer::get_singleton()->instance_get_object_instance_ID(instances[i]);

		Object *obj=ObjectDB::get_instance(id);
		if (!obj)
			continue;
		Spatial *sp = obj->cast_to<Spatial>();
		if (!sp)
			continue;

		Ref<SpatialEditorGizmo> seg = sp->get_gizmo();

		if (!seg.is_valid())
			continue;

		if (found_gizmos.has(seg))
			continue;

		if (seg->intersect_frustum(camera,frustum))
			_select(sp,true,false);
	}

}


void SpatialEditorViewport::_compute_edit(const Point2& p_point) {

	_edit.click_ray=_get_ray( Vector2( p_point.x, p_point.y ) );
	_edit.click_ray_pos=_get_ray_pos( Vector2( p_point.x, p_point.y ) );
	_edit.plane=TRANSFORM_VIEW;
	spatial_editor->update_transform_gizmo();
	_edit.center=spatial_editor->get_gizmo_transform().origin;

	List<Node*> &selection = editor_selection->get_selected_node_list();

//	Vector3 center;
//	int nc=0;
	for(List<Node*>::Element *E=selection.front();E;E=E->next()) {

		Spatial *sp = E->get()->cast_to<Spatial>();
		if (!sp)
			continue;

		SpatialEditorSelectedItem *se=editor_selection->get_node_editor_data<SpatialEditorSelectedItem>(sp);
		if (!se)
			continue;

		se->original=se->sp->get_global_transform();
//		center+=se->original.origin;
//		nc++;
	}


//	if (nc)
//		_edit.center=center/float(nc);



}

static int _get_key_modifier(const String& p_property) {

	switch(EditorSettings::get_singleton()->get(p_property).operator int()) {

		case 0: return 0;
		case 1: return KEY_SHIFT;
		case 2: return KEY_ALT;
		case 3: return KEY_META;
		case 4: return KEY_CONTROL;
	}
	return 0;
}

SpatialEditorViewport::NavigationScheme SpatialEditorViewport::_get_navigation_schema(const String& p_property) {
	switch(EditorSettings::get_singleton()->get(p_property).operator int()) {
		case 0: return NAVIGATION_GODOT;
		case 1: return NAVIGATION_MAYA;
		case 2: return NAVIGATION_MODO;
	}
	return NAVIGATION_GODOT;
}

bool SpatialEditorViewport::_gizmo_select(const Vector2& p_screenpos,bool p_hilite_only) {

	if (!spatial_editor->is_gizmo_visible())
		return false;
	if (get_selected_count()==0) {
		if (p_hilite_only)
			spatial_editor->select_gizmo_hilight_axis(-1);
		return false;
	}


	Vector3 ray_pos=_get_ray_pos( Vector2( p_screenpos.x, p_screenpos.y ) );
	Vector3 ray=_get_ray( Vector2( p_screenpos.x, p_screenpos.y ) );

	Vector3 cn=_get_camera_normal();
	Plane cplane(ray_pos,cn.normalized());

	Transform gt = spatial_editor->get_gizmo_transform();
	float gs=0;
	if (orthogonal) {
		gs= cursor.distance/surface->get_size().get_aspect();

	} else {
		gs = cplane.distance_to(gt.origin);
	}

	gs*=GIZMO_SCALE_DEFAULT;


	if (spatial_editor->get_tool_mode()==SpatialEditor::TOOL_MODE_SELECT || spatial_editor->get_tool_mode()==SpatialEditor::TOOL_MODE_MOVE) {

		int col_axis=-1;
		float col_d=1e20;

		for(int i=0;i<3;i++)  {

			Vector3 grabber_pos = gt.origin+gt.basis.get_axis(i)*gs;
			float grabber_radius = gs*GIZMO_ARROW_SIZE;

			Vector3 r;
			if (Geometry::segment_intersects_sphere(ray_pos,ray_pos+ray*10000.0,grabber_pos,grabber_radius,&r)) {
				float d = r.distance_to(ray_pos);
				if (d<col_d) {
					col_d=d;
					col_axis=i;
				}
			}
		}

		if (col_axis!=-1) {


			if (p_hilite_only) {

				spatial_editor->select_gizmo_hilight_axis(col_axis);


			} else {
				//handle rotate
				_edit.mode=TRANSFORM_TRANSLATE;
				_compute_edit(Point2(p_screenpos.x,p_screenpos.y));
				_edit.plane=TransformPlane(TRANSFORM_X_AXIS+col_axis);
			}
			return true;


		}

	}


	if (spatial_editor->get_tool_mode()==SpatialEditor::TOOL_MODE_SELECT || spatial_editor->get_tool_mode()==SpatialEditor::TOOL_MODE_ROTATE) {

		int col_axis=-1;
		float col_d=1e20;

		for(int i=0;i<3;i++)  {

			Plane plane(gt.origin,gt.basis.get_axis(i).normalized());
			Vector3 r;
			if (!plane.intersects_ray(ray_pos,ray,&r))
				continue;

			float dist = r.distance_to(gt.origin);



			if (dist > gs*(1-GIZMO_RING_HALF_WIDTH) && dist < gs *(1+GIZMO_RING_HALF_WIDTH)) {

				float d = ray_pos.distance_to(r);
				if (d<col_d) {
					col_d=d;
					col_axis=i;
				}
			}
		}

		if (col_axis!=-1) {

			if (p_hilite_only) {

				spatial_editor->select_gizmo_hilight_axis(col_axis+3);
			} else {
				//handle rotate
				_edit.mode=TRANSFORM_ROTATE;
				_compute_edit(Point2(p_screenpos.x,p_screenpos.y));
				_edit.plane=TransformPlane(TRANSFORM_X_AXIS+col_axis);
			}
			return true;
		}
	}


	if (p_hilite_only)
		spatial_editor->select_gizmo_hilight_axis(-1);

	return false;

}


void SpatialEditorViewport::_smouseenter() {

	surface->grab_focus();
}

void SpatialEditorViewport::_sinput(const InputEvent &p_event) {

	if (previewing)
		return; //do NONE


	{

		EditorNode *en = editor;
		EditorPlugin *over_plugin = en->get_editor_plugin_over();

		if (over_plugin) {
			bool discard = over_plugin->forward_spatial_input_event(camera,p_event);
			if (discard)
				return;
		}
	}


	switch(p_event.type) {
		case InputEvent::MOUSE_BUTTON: {

			const InputEventMouseButton &b=p_event.mouse_button;

			switch(b.button_index) {

				case BUTTON_WHEEL_UP: {

					cursor.distance/=1.08;
				} break;
				case BUTTON_WHEEL_DOWN: {

					cursor.distance*=1.08;

				} break;
				case BUTTON_RIGHT: {


					if (b.pressed && _edit.gizmo.is_valid()) {
						//restore
						_edit.gizmo->commit_handle(_edit.gizmo_handle,_edit.gizmo_initial_value,true);
						_edit.gizmo=Ref<SpatialEditorGizmo>();
					}

					if (_edit.mode==TRANSFORM_NONE && b.pressed) {

						Plane cursor_plane(cursor.cursor_pos,_get_camera_normal());

						Vector3 ray_origin = _get_ray_pos(Vector2(b.x,b.y));
						Vector3 ray_dir = _get_ray(Vector2(b.x,b.y));


						//gizmo modify

						if (b.mod.control) {

							Vector<RID> instances=VisualServer::get_singleton()->instances_cull_ray(ray_origin,ray_dir,get_scene()->get_root()->get_world()->get_scenario() );

							Plane p(ray_origin,_get_camera_normal());

							float min_d=1e10;
							bool found=false;

							for (int i=0;i<instances.size();i++) {

								uint32_t id=VisualServer::get_singleton()->instance_get_object_instance_ID(instances[i]);
								Object *obj=ObjectDB::get_instance(id);
								if (!obj)
									continue;

								VisualInstance *vi=obj->cast_to<VisualInstance>();
								if (!vi)
									continue;

								//optimize by checking AABB (although should pre sort by distance)
								AABB aabb =  vi->get_global_transform().xform(vi->get_aabb());
								if (p.distance_to(aabb.get_support(-ray_dir))>min_d)
									continue;

								DVector<Face3> faces = vi->get_faces(VisualInstance::FACES_SOLID);
								int c = faces.size();
								if (c>0) {
									DVector<Face3>::Read r = faces.read();

									for(int j=0;j<c;j++) {

										Vector3 inters;
										if (r[j].intersects_ray(ray_origin,ray_dir,&inters)) {

											float d = p.distance_to(inters);
											if (d<0)
												continue;

											if (d<min_d) {
												min_d=d;
												found=true;
											}
										}

									}
								}

							}

							if (found) {

								//cursor.cursor_pos=ray_origin+ray_dir*min_d;
								//VisualServer::get_singleton()->instance_set_transform(cursor_instance,Transform(Matrix3(),cursor.cursor_pos));

							}

						} else {
							Vector3 new_pos;
							if (cursor_plane.intersects_ray(ray_origin,ray_dir,&new_pos)) {

								//cursor.cursor_pos=new_pos;
								//VisualServer::get_singleton()->instance_set_transform(cursor_instance,Transform(Matrix3(),cursor.cursor_pos));
							}
						}
					}

					if (_edit.mode!=TRANSFORM_NONE && b.pressed) {
						//cancel motion
						_edit.mode=TRANSFORM_NONE;
						//_validate_selection();

						List<Node*> &selection = editor_selection->get_selected_node_list();

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

							Spatial *sp = E->get()->cast_to<Spatial>();
							if (!sp)
								continue;

							SpatialEditorSelectedItem *se=editor_selection->get_node_editor_data<SpatialEditorSelectedItem>(sp);
							if (!se)
								continue;

							sp->set_global_transform( se->original );

						}
						surface->update();
						//VisualServer::get_singleton()->poly_clear(indicators);
						set_message("Transform Aborted.",3);
					}
				} break;
				case BUTTON_MIDDLE: {

					if (b.pressed && _edit.mode!=TRANSFORM_NONE) {

						switch(_edit.plane ) {

							case TRANSFORM_VIEW: {

								_edit.plane=TRANSFORM_X_AXIS;
								set_message("View Plane Transform.",2);
							} break;
							case TRANSFORM_X_AXIS: {

								_edit.plane=TRANSFORM_Y_AXIS;
								set_message("X-Axis Transform.",2);

							} break;
							case TRANSFORM_Y_AXIS: {

								_edit.plane=TRANSFORM_Z_AXIS;
								set_message("Y-Axis Transform.",2);

							} break;
							case TRANSFORM_Z_AXIS: {

								_edit.plane=TRANSFORM_VIEW;
								set_message("Z-Axis Transform.",2);

							} break;
						}

					}
				} break;
				case BUTTON_LEFT: {

					if (b.pressed) {

						NavigationScheme nav_scheme = _get_navigation_schema("3d_editor/navigation_scheme");
						if ( (nav_scheme==NAVIGATION_MAYA || nav_scheme==NAVIGATION_MODO) && b.mod.alt) {
							break;
						}

						_edit.mouse_pos=Point2(b.x,b.y);
						_edit.snap=false;
						_edit.mode=TRANSFORM_NONE;

						//gizmo has priority over everything

						if (_gizmo_select(_edit.mouse_pos))
							break;

						clicked=0;
						clicked_includes_current=false;


						if ((spatial_editor->get_tool_mode()==SpatialEditor::TOOL_MODE_SELECT && b.mod.control) || spatial_editor->get_tool_mode()==SpatialEditor::TOOL_MODE_ROTATE) {

							/* HANDLE ROTATION */
							if (get_selected_count()==0)
								break; //bye
							//handle rotate
							_edit.mode=TRANSFORM_ROTATE;
							_compute_edit(Point2(b.x,b.y));
							break;

						}

						if (spatial_editor->get_tool_mode()==SpatialEditor::TOOL_MODE_MOVE) {

							if (get_selected_count()==0)
								break; //bye
							//handle rotate
							_edit.mode=TRANSFORM_TRANSLATE;
							_compute_edit(Point2(b.x,b.y));
							break;


						}


						if (spatial_editor->get_tool_mode()==SpatialEditor::TOOL_MODE_SCALE) {

							if (get_selected_count()==0)
								break; //bye
							//handle rotate
							_edit.mode=TRANSFORM_SCALE;
							_compute_edit(Point2(b.x,b.y));
							break;


						}



						// todo scale

						int gizmo_handle=-1;

						clicked=_select_ray(Vector2( b.x, b.y ),b.mod.shift,clicked_includes_current,&gizmo_handle,b.mod.shift);

						//clicking is always deferred to either move or release

						clicked_wants_append=b.mod.shift;

						if (!clicked) {

							if (!clicked_wants_append)
								_clear_selected();

							//default to regionselect
							cursor.region_select=true;
							cursor.region_begin=Point2(b.x,b.y);
							cursor.region_end=Point2(b.x,b.y);
						}

						if (clicked && gizmo_handle>=0) {

							Object *obj=ObjectDB::get_instance(clicked);
							if (obj) {

								Spatial *spa = obj->cast_to<Spatial>();
								if (spa) {

									Ref<SpatialEditorGizmo> seg=spa->get_gizmo();
									if (seg.is_valid()) {

										_edit.gizmo=seg;
										_edit.gizmo_handle=gizmo_handle;
										//_edit.gizmo_initial_pos=seg->get_handle_pos(gizmo_handle);
										_edit.gizmo_initial_value=seg->get_handle_value(gizmo_handle);
										//print_line("GIZMO: "+itos(gizmo_handle)+" FROMPOS: "+_edit.orig_gizmo_pos);
										break;

									}
								}

							}
							//_compute_edit(Point2(b.x,b.y)); //in case a motion happens..
						}



						surface->update();
					} else {


						if (_edit.gizmo.is_valid()) {

							_edit.gizmo->commit_handle(_edit.gizmo_handle,_edit.gizmo_initial_value,false);
							_edit.gizmo=Ref<SpatialEditorGizmo>();
							break;
						}
						if (clicked) {
							_select_clicked(clicked_wants_append,true);
							//clickd processing was deferred
							clicked=0;


						}

						if (cursor.region_select) {
							_select_region();
							cursor.region_select=false;
							surface->update();
						}


						if (_edit.mode!=TRANSFORM_NONE) {


							static const char* _transform_name[4]={"None","Rotate","Translate","Scale"};
							undo_redo->create_action(_transform_name[_edit.mode]);

							List<Node*> &selection = editor_selection->get_selected_node_list();

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

								Spatial *sp = E->get()->cast_to<Spatial>();
								if (!sp)
									continue;

								SpatialEditorSelectedItem *se=editor_selection->get_node_editor_data<SpatialEditorSelectedItem>(sp);
								if (!se)
									continue;

								undo_redo->add_do_method(sp,"set_global_transform",sp->get_global_transform());
								undo_redo->add_undo_method(sp,"set_global_transform",se->original);
							}
							undo_redo->commit_action();
							_edit.mode=TRANSFORM_NONE;
							//VisualServer::get_singleton()->poly_clear(indicators);
							set_message("");
						}


						surface->update();
					}
				} break;
			}
		} break;
		case InputEvent::MOUSE_MOTION: {

			const InputEventMouseMotion &m=p_event.mouse_motion;
			_edit.mouse_pos=Point2(p_event.mouse_motion.x,p_event.mouse_motion.y);

			if (!(m.button_mask&1) && !_edit.gizmo.is_valid()) {

				_gizmo_select(_edit.mouse_pos,true);

			}

			NavigationScheme nav_scheme = _get_navigation_schema("3d_editor/navigation_scheme");
			NavigationMode nav_mode = NAVIGATION_NONE;

			if (_edit.gizmo.is_valid()) {

				Plane plane=Plane(_edit.gizmo_initial_pos,_get_camera_normal());


				Vector3 ray_pos=_get_ray_pos( Vector2( m.x, m.y ) );
				Vector3 ray=_get_ray( Vector2( m.x, m.y ) );

				//Vector3 intersection;
				//if (!plane.intersects_ray(ray_pos,ray,&intersection))
				//	break;

				_edit.gizmo->set_handle(_edit.gizmo_handle,camera,Vector2(m.x,m.y));
				Variant v = _edit.gizmo->get_handle_value(_edit.gizmo_handle);
				String n = _edit.gizmo->get_handle_name(_edit.gizmo_handle);
				set_message(n+": "+String(v));

			} else if (m.button_mask&1) {

				if (nav_scheme == NAVIGATION_MAYA && m.mod.alt) {
					nav_mode = NAVIGATION_ORBIT;				
				} else if (nav_scheme == NAVIGATION_MODO && m.mod.alt && m.mod.shift) {
					nav_mode = NAVIGATION_PAN;
				} else if (nav_scheme == NAVIGATION_MODO && m.mod.alt && m.mod.control) {
					nav_mode = NAVIGATION_ZOOM;
				} else if (nav_scheme == NAVIGATION_MODO && m.mod.alt) {
					nav_mode = NAVIGATION_ORBIT;
				} else {
					if (clicked) {

						if (!clicked_includes_current) {

							_select_clicked(clicked_wants_append,true);
							//clickd processing was deferred
						}


						_compute_edit(_edit.mouse_pos);
						clicked=0;

						_edit.mode=TRANSFORM_TRANSLATE;

					}

					if (cursor.region_select && nav_mode == NAVIGATION_NONE) {

						cursor.region_end=Point2(m.x,m.y);
						surface->update();
						return;
					}

					if (_edit.mode==TRANSFORM_NONE && nav_mode == NAVIGATION_NONE)
						break;


					Vector3 ray_pos=_get_ray_pos( Vector2( m.x, m.y ) );
					Vector3 ray=_get_ray( Vector2( m.x, m.y ) );


					switch(_edit.mode) {

						case TRANSFORM_SCALE: {


							Plane plane=Plane(_edit.center,_get_camera_normal());


							Vector3 intersection;
							if (!plane.intersects_ray(ray_pos,ray,&intersection))
								break;

							Vector3 click;
							if (!plane.intersects_ray(_edit.click_ray_pos,_edit.click_ray,&click))
								break;

							float center_click_dist = click.distance_to(_edit.center);
							float center_inters_dist = intersection.distance_to(_edit.center);
							if (center_click_dist==0)
								break;

							float scale = (center_inters_dist / center_click_dist)*100.0;

							if (_edit.snap || spatial_editor->is_snap_enabled()) {

								scale = Math::stepify(scale,spatial_editor->get_scale_snap());
							}

							set_message("Scaling to "+String::num(scale,1)+"%.");
							scale/=100.0;

							Transform r;
							r.basis.scale(Vector3(scale,scale,scale));


							List<Node*> &selection = editor_selection->get_selected_node_list();

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

								Spatial *sp = E->get()->cast_to<Spatial>();
								if (!sp)
									continue;

								SpatialEditorSelectedItem *se=editor_selection->get_node_editor_data<SpatialEditorSelectedItem>(sp);
								if (!se)
									continue;


								Transform original=se->original;

								Transform base=Transform( Matrix3(), _edit.center);
								Transform t=base * (r * (base.inverse() * original));

								sp->set_global_transform(t);
							}

							surface->update();

						} break;

						case TRANSFORM_TRANSLATE: {


							Vector3 motion_mask;
							Plane plane;

							switch( _edit.plane ) {
								case TRANSFORM_VIEW:
									motion_mask=Vector3(0,0,0);
									plane=Plane(_edit.center,_get_camera_normal());
								break;
								case TRANSFORM_X_AXIS:
									motion_mask=spatial_editor->get_gizmo_transform().basis.get_axis(0);
									plane=Plane(_edit.center,motion_mask.cross(motion_mask.cross(_get_camera_normal())).normalized());
								break;
								case TRANSFORM_Y_AXIS:
									motion_mask=spatial_editor->get_gizmo_transform().basis.get_axis(1);
									plane=Plane(_edit.center,motion_mask.cross(motion_mask.cross(_get_camera_normal())).normalized());
								break;
								case TRANSFORM_Z_AXIS:
									motion_mask=spatial_editor->get_gizmo_transform().basis.get_axis(2);
									plane=Plane(_edit.center,motion_mask.cross(motion_mask.cross(_get_camera_normal())).normalized());
								break;
							}

							Vector3 intersection;
							if (!plane.intersects_ray(ray_pos,ray,&intersection))
								break;

							Vector3 click;
							if (!plane.intersects_ray(_edit.click_ray_pos,_edit.click_ray,&click))
								break;

							//_validate_selection();
							Vector3 motion = intersection-click;
							if (motion_mask!=Vector3()) {
								motion=motion_mask.dot(motion)*motion_mask;
							}

							float snap=0;

							if (_edit.snap || spatial_editor->is_snap_enabled()) {

								snap = spatial_editor->get_translate_snap();
								motion.snap(snap);
							}

							//set_message("Translating: "+motion);

							List<Node*> &selection = editor_selection->get_selected_node_list();

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

								Spatial *sp = E->get()->cast_to<Spatial>();
								if (!sp) {
									continue;
								}

								SpatialEditorSelectedItem *se=editor_selection->get_node_editor_data<SpatialEditorSelectedItem>(sp);
								if (!se) {
									continue;
								}

								Transform t=se->original;
								t.origin+=motion;
								sp->set_global_transform(t);
							}
						} break;

						case TRANSFORM_ROTATE: {


							Plane plane;

							switch( _edit.plane ) {
								case TRANSFORM_VIEW:
									plane=Plane(_edit.center,_get_camera_normal());
								break;
								case TRANSFORM_X_AXIS:
									plane=Plane(_edit.center,spatial_editor->get_gizmo_transform().basis.get_axis(0));
								break;
								case TRANSFORM_Y_AXIS:
									plane=Plane(_edit.center,spatial_editor->get_gizmo_transform().basis.get_axis(1));
								break;
								case TRANSFORM_Z_AXIS:
									plane=Plane(_edit.center,spatial_editor->get_gizmo_transform().basis.get_axis(2));
								break;
							}

							Vector3 intersection;
							if (!plane.intersects_ray(ray_pos,ray,&intersection))
								break;

							Vector3 click;
							if (!plane.intersects_ray(_edit.click_ray_pos,_edit.click_ray,&click))
								break;


							Vector3 y_axis=(click-_edit.center).normalized();
							Vector3 x_axis=plane.normal.cross(y_axis).normalized();

							float angle=Math::atan2( x_axis.dot(intersection-_edit.center), y_axis.dot(intersection-_edit.center) );
							if (_edit.snap || spatial_editor->is_snap_enabled()) {

								float snap = spatial_editor->get_rotate_snap();

								if (snap) {
									angle=Math::rad2deg(angle)+snap*0.5; //else it wont reach +180
									angle-=Math::fmod(angle,snap);
									set_message("Rotating "+rtos(angle)+" degrees.");
									angle=Math::deg2rad(angle);
								} else
									set_message("Rotating "+rtos(Math::rad2deg(angle))+" degrees.");

							} else {
								set_message("Rotating "+rtos(Math::rad2deg(angle))+" degrees.");
							}




							Transform r;
							r.basis.rotate(plane.normal,-angle);

							List<Node*> &selection = editor_selection->get_selected_node_list();

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

								Spatial *sp = E->get()->cast_to<Spatial>();
								if (!sp)
									continue;

								SpatialEditorSelectedItem *se=editor_selection->get_node_editor_data<SpatialEditorSelectedItem>(sp);
								if (!se)
									continue;


								Transform original=se->original;

								Transform base=Transform( Matrix3(), _edit.center);
								Transform t=base * (r * (base.inverse() * original));

								sp->set_global_transform(t);
							}

							surface->update();
							/*
							VisualServer::get_singleton()->poly_clear(indicators);

							Vector<Vector3> points;
							Vector<Vector3> empty;
							Vector<Color> colors;
							points.push_back(intersection);
							points.push_back(_edit.original.origin);
							colors.push_back( Color(255,155,100) );
							colors.push_back( Color(255,155,100) );
							VisualServer::get_singleton()->poly_add_primitive(indicators,points,empty,colors,empty);
							*/
						} break;
						default:{}
					}

				}

			} else if (m.button_mask&2) {

				if (nav_scheme == NAVIGATION_MAYA && m.mod.alt) {
					nav_mode = NAVIGATION_ZOOM;
				}

			} else if (m.button_mask&4) {

				if (nav_scheme == NAVIGATION_GODOT) {

					int mod = 0;
					if (m.mod.shift)
						mod=KEY_SHIFT;
					if (m.mod.alt)
						mod=KEY_ALT;
					if (m.mod.control)
						mod=KEY_CONTROL;
					if (m.mod.meta)
						mod=KEY_META;

					if (mod == _get_key_modifier("3d_editor/pan_modifier"))
						nav_mode = NAVIGATION_PAN;
					else if (mod == _get_key_modifier("3d_editor/zoom_modifier"))
						nav_mode = NAVIGATION_ZOOM;
					else if (mod == _get_key_modifier("3d_editor/orbit_modifier"))
						nav_mode = NAVIGATION_ORBIT;

				} else if (nav_scheme == NAVIGATION_MAYA) {
					if (m.mod.alt)
						nav_mode = NAVIGATION_PAN;
				}
			}

			switch(nav_mode) {
				case NAVIGATION_PAN:{

					real_t pan_speed = 1/150.0;
					int pan_speed_modifier = 10;
					if (nav_scheme==NAVIGATION_MAYA && m.mod.shift)
						pan_speed *= pan_speed_modifier;

					Transform camera_transform;

					camera_transform.translate(cursor.pos);
					camera_transform.basis.rotate(Vector3(0,1,0),cursor.y_rot);
					camera_transform.basis.rotate(Vector3(1,0,0),cursor.x_rot);
					Vector3 translation(-m.relative_x*pan_speed,m.relative_y*pan_speed,0);
					translation*=cursor.distance/DISTANCE_DEFAULT;
					camera_transform.translate(translation);
					cursor.pos=camera_transform.origin;

				} break;

				case NAVIGATION_ZOOM: {
					real_t zoom_speed = 1/80.0;
					int zoom_speed_modifier = 10;
					if (nav_scheme==NAVIGATION_MAYA && m.mod.shift)
						zoom_speed *= zoom_speed_modifier;

					if ( m.relative_y > 0)
						cursor.distance*=1+m.relative_y*zoom_speed;
					else if (m.relative_y < 0)
						cursor.distance/=1-m.relative_y*zoom_speed;

				} break;

				case NAVIGATION_ORBIT: {
					cursor.x_rot+=m.relative_y/80.0;
					cursor.y_rot+=m.relative_x/80.0;
					if (cursor.x_rot>Math_PI/2.0)
						cursor.x_rot=Math_PI/2.0;
					if (cursor.x_rot<-Math_PI/2.0)
						cursor.x_rot=-Math_PI/2.0;
				} break;

				default: {}
			}
		} break;

		case InputEvent::KEY: {

			const InputEventKey &k = p_event.key;
			switch(k.scancode) {

				case KEY_S: {

					if (_edit.mode!=TRANSFORM_NONE) {

						_edit.snap=true;
					}
				} break;
				case KEY_KP_7: {

					cursor.y_rot=0;
					if (k.mod.shift) {
						cursor.x_rot=-Math_PI/2.0;
						set_message("Bottom View.",2);
					} else {
						cursor.x_rot=Math_PI/2.0;
						set_message("Top View.",2);
					}
				} break;
				case KEY_KP_1: {

					cursor.x_rot=0;
					if (k.mod.shift) {
						cursor.y_rot=Math_PI;
						set_message("Rear View.",2);

					} else {
						cursor.y_rot=0;
						set_message("Front View.",2);
					}

				} break;
				case KEY_KP_3: {

					cursor.x_rot=0;
					if (k.mod.shift) {
						cursor.y_rot=Math_PI/2.0;
						set_message("Left View.",2);
					} else {
						cursor.y_rot=-Math_PI/2.0;
						set_message("Right View.",2);
					}

				} break;
				case KEY_KP_5: {

					orthogonal = !orthogonal;
					_menu_option(orthogonal?VIEW_PERSPECTIVE:VIEW_ORTHOGONAL);

				} break;
				case KEY_K: {

					if (!get_selected_count() || _edit.mode!=TRANSFORM_NONE)
						break;

					if (!editor->get_animation_editor()->has_keying()) {
						set_message("Keying is disabled (no key inserted).");
						break;
					}

					List<Node*> &selection = editor_selection->get_selected_node_list();

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

						Spatial *sp = E->get()->cast_to<Spatial>();
						if (!sp)
							continue;

						emit_signal("transform_key_request",sp,"",sp->get_transform());
					}


					set_message("Animation Key Inserted.");



				} break;

				case KEY_F: {
					_menu_option(VIEW_CENTER_TO_SELECTION);
				} break;

				case KEY_SPACE: {
					if (!k.pressed)
						emit_signal("toggle_maximize_view", this);
				} break;

			}


		} break;

	}

}

void SpatialEditorViewport::set_message(String p_message,float p_time) {

	message=p_message;
	message_time=p_time;

}



void SpatialEditorViewport::_notification(int p_what) {


	if (p_what==NOTIFICATION_VISIBILITY_CHANGED) {

		bool visible=is_visible();

		set_process(visible);
	}

	if (p_what==NOTIFICATION_PROCESS) {


		//force editr camera
		/*
		current_camera=get_root_node()->get_current_camera();
		if (current_camera!=camera) {


		}
		*/

		if (orthogonal) {
			Size2 size=get_size();
			Size2 vpsize = Point2(cursor.distance*size.get_aspect(),cursor.distance/size.get_aspect());
			//camera->set_orthogonal(size.width*cursor.distance,get_znear(),get_zfar());
			camera->set_orthogonal(2*cursor.distance,0.1,8192);
		} else
			camera->set_perspective(get_fov(),get_znear(),get_zfar());

		Transform camera_transform;
		camera_transform.translate( cursor.pos );
		camera_transform.basis.rotate(Vector3(0,1,0),cursor.y_rot);
		camera_transform.basis.rotate(Vector3(1,0,0),cursor.x_rot);

		if (orthogonal)
			camera_transform.translate(0,0,4096);
		else
			camera_transform.translate(0,0,cursor.distance);

		if (camera->get_global_transform()!=camera_transform) {
			camera->set_global_transform( camera_transform );
			//_update_transform_gizmo_view();
		}

		Map<Node*,Object*> &selection = editor_selection->get_selection();

		bool changed=false;
		bool exist=false;

		for(Map<Node*,Object*>::Element *E=selection.front();E;E=E->next()) {

			Spatial *sp = E->key()->cast_to<Spatial>();
			if (!sp)
				continue;

			SpatialEditorSelectedItem *se=editor_selection->get_node_editor_data<SpatialEditorSelectedItem>(sp);
			if (!se)
				continue;


			/*
			  ??
			if (!se->poly_instance.is_valid())
				continue;
			if (!ObjectDB::get_instance( E->key() )) {
				VisualServer::get_singleton()->free( se->poly_instance );
				se->poly_instance=RID();
				continue;
			}
			*/
			VisualInstance *vi=sp->cast_to<VisualInstance>();


			if (se->aabb.has_no_surface()) {

				se->aabb=vi?vi->get_aabb():AABB( Vector3(-0.2,-0.2,-0.2),Vector3(0.4,0.4,0.4));
			}

			Transform t=sp->get_global_transform();
			t.translate(se->aabb.pos);
			t.basis.scale( se->aabb.size );

			exist=true;
			if (se->last_xform==t)
				continue;
			changed=true;
			se->last_xform=t;
			VisualServer::get_singleton()->instance_set_transform(se->sbox_instance,t);

		}

		if (changed || (spatial_editor->is_gizmo_visible() && !exist)) {
			spatial_editor->update_transform_gizmo();
		}

		if (message_time>0) {

			if (message!=last_message) {
				surface->update();
				last_message=message;
			}

			message_time-=get_fixed_process_delta_time();
			if (message_time<0)
				surface->update();
		}

		//grid
		Vector3 grid_cam_axis=_get_camera_normal();
		/*
		for(int i=0;i<3;i++) {


			Vector3 axis;
			axis[i]=1;

			bool should_be_visible= grid_enabled && (grid_enable[i] || (Math::abs(grid_cam_axis.dot(axis))>0.99 && orthogonal));

			if (should_be_visible!=grid_visible[i]) {

				VisualServer::get_singleton()->instance_geometry_set_flag(grid_instance[i],VS::INSTANCE_FLAG_VISIBLE,should_be_visible);
				grid_visible[i]=should_be_visible;
			}
		}

		if (last_grid_snap!=spatial_editor->get_translate_snap()) {


			last_grid_snap=spatial_editor->get_translate_snap()
			Transform gridt;
			gridt.basis.scale(Vector3(last_grid_snap,last_grid_snap,last_grid_snap));
			for(int i=0;i<3;i++)
				VisualServer::get_singleton()->instance_set_transform(grid_instance[i],gridt);

		}*/

	}

	if (p_what==NOTIFICATION_ENTER_SCENE) {

		surface->connect("draw",this,"_draw");
		surface->connect("input_event",this,"_sinput");
		surface->connect("mouse_enter",this,"_smouseenter");
		preview_camera->set_icon(get_icon("Camera","EditorIcons"));

	}

	if (p_what==NOTIFICATION_MOUSE_ENTER) {


	}


	if (p_what==NOTIFICATION_DRAW) {



	}

}

void SpatialEditorViewport::_draw() {

	if (surface->has_focus()) {
		Size2 size = surface->get_size();
		Rect2 r =Rect2(Point2(),size);
		get_stylebox("EditorFocus","EditorStyles")->draw(surface->get_canvas_item(),r);
	}


	RID ci=surface->get_canvas_item();

	if (cursor.region_select) {

		VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(cursor.region_begin,cursor.region_end-cursor.region_begin),Color(0.7,0.7,1.0,0.3));
	}

	if (message_time>0) {
		Ref<Font> font = get_font("font","Label");
		Point2 msgpos=Point2(5,get_size().y-20);
		font->draw(ci,msgpos+Point2(1,1),message,Color(0,0,0,0.8));
		font->draw(ci,msgpos+Point2(-1,-1),message,Color(0,0,0,0.8));
		font->draw(ci,msgpos,message,Color(1,1,1,1));
	}


	if (_edit.mode==TRANSFORM_ROTATE) {

		Point2 center = _point_to_screen(_edit.center);
		VisualServer::get_singleton()->canvas_item_add_line(ci,_edit.mouse_pos, center, Color(0.4,0.7,1.0,0.8));


	}

}


void SpatialEditorViewport::_menu_option(int p_option) {

	switch(p_option) {

		case VIEW_TOP: {

			cursor.x_rot=Math_PI/2.0;
			cursor.y_rot=0;
		} break;
		case VIEW_BOTTOM: {

			cursor.x_rot=-Math_PI/2.0;
			cursor.y_rot=0;

		} break;
		case VIEW_LEFT: {

			cursor.y_rot=Math_PI/2.0;
			cursor.x_rot=0;

		} break;
		case VIEW_RIGHT: {

			cursor.y_rot=-Math_PI/2.0;
			cursor.x_rot=0;

		} break;
		case VIEW_FRONT: {

			cursor.y_rot=0;
			cursor.x_rot=0;

		} break;
		case VIEW_REAR: {

			cursor.y_rot=Math_PI;
			cursor.x_rot=0;

		} break;
		case VIEW_CENTER_TO_SELECTION: {

			if (!get_selected_count())
				break;

			Vector3 center;
			int count=0;

			List<Node*> &selection = editor_selection->get_selected_node_list();

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

				Spatial *sp = E->get()->cast_to<Spatial>();
				if (!sp)
					continue;

				SpatialEditorSelectedItem *se=editor_selection->get_node_editor_data<SpatialEditorSelectedItem>(sp);
				if (!se)
					continue;

				center+=sp->get_global_transform().origin;
				count++;
			}

			center/=float(count);

			cursor.pos=center;
		} break;
		case VIEW_ENVIRONMENT: {

			int idx = view_menu->get_popup()->get_item_index(VIEW_ENVIRONMENT);
			bool current = 	view_menu->get_popup()->is_item_checked( idx );
			current=!current;
			if (current) {

				camera->set_environment(RES());
			} else {

				camera->set_environment(SpatialEditor::get_singleton()->get_viewport_environment());
			}

			view_menu->get_popup()->set_item_checked( idx, current );


		} break;
		case VIEW_PERSPECTIVE: {

			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(VIEW_PERSPECTIVE), true );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(VIEW_ORTHOGONAL), false );
			orthogonal=false;
		} break;
		case VIEW_ORTHOGONAL: {

			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(VIEW_PERSPECTIVE), false );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(VIEW_ORTHOGONAL), true );
			orthogonal=true;

		} break;

	}

}


void SpatialEditorViewport::_preview_exited_scene() {

	preview_camera->set_pressed(false);
	_toggle_camera_preview(false);
	view_menu->show();
}


void SpatialEditorViewport::_toggle_camera_preview(bool p_activate) {


	ERR_FAIL_COND(p_activate && !preview);
	ERR_FAIL_COND(!p_activate && !previewing);

	if (!p_activate) {

		previewing->disconnect("exit_scene",this,"_preview_exited_scene");
		previewing=NULL;
		VS::get_singleton()->viewport_attach_camera( viewport->get_viewport(), camera->get_camera() ); //restore
		if (!preview)
			preview_camera->hide();
		view_menu->show();

	} else {

		previewing=preview;
		previewing->connect("exit_scene",this,"_preview_exited_scene");
		VS::get_singleton()->viewport_attach_camera( viewport->get_viewport(), preview->get_camera() ); //replace
		view_menu->hide();

	}
}

void SpatialEditorViewport::set_can_preview(Camera* p_preview) {

	preview=p_preview;

	if (!preview_camera->is_pressed()) {

		if (p_preview) {
			preview_camera->show();
		} else {
			preview_camera->hide();
		}
	}
}

void SpatialEditorViewport::set_state(const Dictionary& p_state) {

	cursor.pos=p_state["pos"];
	cursor.x_rot=p_state["x_rot"];
	cursor.y_rot=p_state["y_rot"];
	cursor.distance=p_state["distance"];
	bool env = p_state["use_environment"];
	bool orth = p_state["use_orthogonal"];
	if (orth)
		_menu_option(VIEW_ORTHOGONAL);
	else
		_menu_option(VIEW_PERSPECTIVE);
	if (env != camera->get_environment().is_valid())
		_menu_option(VIEW_ENVIRONMENT);


}

Dictionary SpatialEditorViewport::get_state() const {

	Dictionary d;
	d["pos"]=cursor.pos;
	d["x_rot"]=cursor.x_rot;
	d["y_rot"]=cursor.y_rot;
	d["distance"]=cursor.distance;
	d["use_environment"]=camera->get_environment().is_valid();
	d["use_orthogonal"]=camera->get_projection()==Camera::PROJECTION_ORTHOGONAL;
	return d;
}


void SpatialEditorViewport::_bind_methods(){

	ObjectTypeDB::bind_method(_MD("_draw"),&SpatialEditorViewport::_draw);
	ObjectTypeDB::bind_method(_MD("_smouseenter"),&SpatialEditorViewport::_smouseenter);
	ObjectTypeDB::bind_method(_MD("_sinput"),&SpatialEditorViewport::_sinput);
	ObjectTypeDB::bind_method(_MD("_menu_option"),&SpatialEditorViewport::_menu_option);
	ObjectTypeDB::bind_method(_MD("_toggle_camera_preview"),&SpatialEditorViewport::_toggle_camera_preview);
	ObjectTypeDB::bind_method(_MD("_preview_exited_scene"),&SpatialEditorViewport::_preview_exited_scene);

	ADD_SIGNAL( MethodInfo("toggle_maximize_view", PropertyInfo(Variant::OBJECT, "viewport")) );
}




SpatialEditorViewport::SpatialEditorViewport(SpatialEditor *p_spatial_editor,EditorNode *p_editor) {

	editor=p_editor;
	editor_selection=editor->get_editor_selection();;
	undo_redo=editor->get_undo_redo();
	clicked=0;
	clicked_includes_current=false;
	orthogonal=false;
	message_time=0;

	spatial_editor=p_spatial_editor;
	Control *c=memnew(Control);
	add_child(c);
	c->set_area_as_parent_rect();
	viewport = memnew( Viewport );
	c->add_child(viewport);
	surface = memnew( Control );
	add_child(surface);
	surface->set_area_as_parent_rect();
	camera = memnew(Camera);
	camera->set_disable_gizmo(true);
	//camera->set_environment(SpatialEditor::get_singleton()->get_viewport_environment());
	viewport->add_child(camera);
	camera->make_current();
	surface->set_focus_mode(FOCUS_ALL);

	view_menu = memnew( MenuButton );
	surface->add_child(view_menu);
	view_menu->set_pos( Point2(4,4));
	view_menu->set_text("[view]");
	view_menu->set_self_opacity(0.5);

	view_menu->get_popup()->add_item("Top",VIEW_TOP);
	view_menu->get_popup()->add_item("Bottom",VIEW_BOTTOM);
	view_menu->get_popup()->add_item("Left",VIEW_LEFT);
	view_menu->get_popup()->add_item("Right",VIEW_RIGHT);
	view_menu->get_popup()->add_item("Front",VIEW_FRONT);
	view_menu->get_popup()->add_item("Rear",VIEW_REAR);
	view_menu->get_popup()->add_separator();
	view_menu->get_popup()->add_check_item("Perspective",VIEW_PERSPECTIVE);
	view_menu->get_popup()->add_check_item("Orthogonal",VIEW_ORTHOGONAL);
	view_menu->get_popup()->set_item_checked(view_menu->get_popup()->get_item_index(VIEW_PERSPECTIVE),true);
	view_menu->get_popup()->add_separator();
	view_menu->get_popup()->add_check_item("Environment",VIEW_ENVIRONMENT);
	view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(VIEW_ENVIRONMENT),true);
	view_menu->get_popup()->add_separator();
	view_menu->get_popup()->add_item("Selection",VIEW_CENTER_TO_SELECTION);
	view_menu->get_popup()->connect("item_pressed",this,"_menu_option");

	preview_camera = memnew( Button );
	preview_camera->set_toggle_mode(true);
	preview_camera->set_anchor_and_margin(MARGIN_LEFT,ANCHOR_END,90);
	preview_camera->set_anchor_and_margin(MARGIN_TOP,ANCHOR_BEGIN,10);
	preview_camera->set_text("preview");
	surface->add_child(preview_camera);
	preview_camera->hide();
	preview_camera->connect("toggled",this,"_toggle_camera_preview");
	previewing=NULL;
	preview=NULL;

}







SpatialEditor *SpatialEditor::singleton=NULL;

SpatialEditorSelectedItem::~SpatialEditorSelectedItem() {

	if (sbox_instance.is_valid())
		VisualServer::get_singleton()->free(sbox_instance);
}


void SpatialEditor::_update_transform_gizmo_view() {


	Transform xform = gizmo.transform;

/*
	Transform camera_xform = camera->get_transform();
	Vector3 camz = -camera_xform.get_basis().get_axis(2).normalized();
	Vector3 camy = -camera_xform.get_basis().get_axis(1).normalized();
	Plane p(camera_xform.origin,camz);
	float gizmo_d = Math::abs( p.distance_to(xform.origin ));
	float d0 = camera->unproject_position(camera_xform.origin+camz*gizmo_d).y;
	float d1 = camera->unproject_position(camera_xform.origin+camz*gizmo_d+camy).y;
	float dd = Math::abs(d0-d1);
	if (dd==0)
		dd=0.0001;

	gizmo.scale=(60.0/Math::abs(dd));
	Vector3 scale = Vector3(1,1,1) * gizmo.scale;

	//xform.basis.scale(scale);
*/
	xform.basis.scale(GIZMO_SCALE_DEFAULT*Vector3(1,1,1));


	for(int i=0;i<3;i++) {
		VisualServer::get_singleton()->instance_set_transform(move_gizmo_instance[i], xform );
		VisualServer::get_singleton()->instance_geometry_set_flag(move_gizmo_instance[i],VS::INSTANCE_FLAG_VISIBLE,gizmo.visible && (tool_mode==TOOL_MODE_SELECT || tool_mode==TOOL_MODE_MOVE) );
		VisualServer::get_singleton()->instance_set_transform(rotate_gizmo_instance[i], xform );
		VisualServer::get_singleton()->instance_geometry_set_flag(rotate_gizmo_instance[i],VS::INSTANCE_FLAG_VISIBLE,gizmo.visible && (tool_mode==TOOL_MODE_SELECT || tool_mode==TOOL_MODE_ROTATE) );
	}

}

void SpatialEditor::select_gizmo_hilight_axis(int p_axis) {


	for(int i=0;i<3;i++) {

		move_gizmo[i]->surface_set_material(0,i==p_axis?gizmo_hl:gizmo_color[i]);
		rotate_gizmo[i]->surface_set_material(0,(i+3)==p_axis?gizmo_hl:gizmo_color[i]);
	}

}

void SpatialEditor::update_transform_gizmo() {

	List<Node*> &selection = editor_selection->get_selected_node_list();
	AABB center;
	bool first=true;

	Matrix3 gizmo_basis;
	bool local_gizmo_coords = transform_menu->get_popup()->is_item_checked( transform_menu->get_popup()->get_item_index(MENU_TRANSFORM_LOCAL_COORDS) );


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

		Spatial *sp = E->get()->cast_to<Spatial>();
		if (!sp)
			continue;

		SpatialEditorSelectedItem *se=editor_selection->get_node_editor_data<SpatialEditorSelectedItem>(sp);
		if (!se)
			continue;

		Transform xf = se->sp->get_global_transform();
		if (first) {
			center.pos=xf.origin;
			first=false;
			if (local_gizmo_coords) {
				gizmo_basis=xf.basis;
				gizmo_basis.orthonormalize();
			}
		} else {
			center.expand_to(xf.origin);
			gizmo_basis=Matrix3();
		}
//		count++;
	}

	Vector3 pcenter = center.pos+center.size*0.5;
	gizmo.visible=!first;
	gizmo.transform.origin=pcenter;
	gizmo.transform.basis=gizmo_basis;

	_update_transform_gizmo_view();

}


Object *SpatialEditor::_get_editor_data(Object *p_what) {

	Spatial *sp = p_what->cast_to<Spatial>();
	if (!sp)
		return NULL;


	SpatialEditorSelectedItem *si = memnew( SpatialEditorSelectedItem );

	si->sp=sp;
	si->sbox_instance=VisualServer::get_singleton()->instance_create2(selection_box->get_rid(),sp->get_world()->get_scenario());
	VS::get_singleton()->instance_geometry_set_flag(si->sbox_instance,VS::INSTANCE_FLAG_CAST_SHADOW,false);

	RID inst = sp->call("_get_visual_instance_rid");

//	if (inst.is_valid())
//		si->aabb = VisualServer::get_singleton()->instance_get_base_aabb(inst);


	if (get_scene()->is_editor_hint())
		editor->call("edit_node",sp);


	return si;
}

void SpatialEditor::_generate_selection_box() {

	AABB aabb( Vector3(), Vector3(1,1,1) );
	aabb.grow_by( aabb.get_longest_axis_size()/20.0 );

	Ref<SurfaceTool> st = memnew( SurfaceTool );
	
	st->begin(Mesh::PRIMITIVE_LINES);
	for (int i=0;i<12;i++) {
	
		Vector3 a,b;
		aabb.get_edge(i,a,b); 
		
		/*Vector<Vector3> points;
		Vector<Color> colors;		
		points.push_back(a);
		points.push_back(b);*/

		st->add_color( Color(1.0,1.0,0.8,0.8) );
		st->add_vertex(a);
		st->add_color( Color(1.0,1.0,0.8,0.4) );
		st->add_vertex(a.linear_interpolate(b,0.2));

		st->add_color( Color(1.0,1.0,0.8,0.4) );
		st->add_vertex(a.linear_interpolate(b,0.8));
		st->add_color( Color(1.0,1.0,0.8,0.8) );
		st->add_vertex(b);

	}

	Ref<FixedMaterial> mat = memnew( FixedMaterial );
	mat->set_flag(Material::FLAG_UNSHADED,true);
	mat->set_parameter(FixedMaterial::PARAM_DIFFUSE,Color(1,1,1));
	mat->set_fixed_flag(FixedMaterial::FLAG_USE_ALPHA,true);
	mat->set_fixed_flag(FixedMaterial::FLAG_USE_COLOR_ARRAY,true);
	st->set_material(mat);
	selection_box = st->commit();
}


Dictionary SpatialEditor::get_state() const {


	Dictionary d;


	int vc=0;
	if (view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_1_VIEWPORT) ))
		vc=1;
	else if (view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_2_VIEWPORTS) ))
		vc=2;
	else if (view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_3_VIEWPORTS) ))
		vc=3;
	else if (view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_4_VIEWPORTS) ))
		vc=4;

	d["viewport_mode"]=vc;
	Array vpdata;
	for(int i=0;i<4;i++)  {
		vpdata.push_back( viewports[i]->get_state() );
	}

	d["viewports"]=vpdata;

	d["default_light"]=view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_DEFAULT_LIGHT) );;
	d["show_grid"]=view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_GRID) );;
	d["show_origin"]=view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_ORIGIN) );;
	d["fov"]=get_fov();
	d["znear"]=get_znear();
	d["zfar"]=get_zfar();

	return d;
}
void SpatialEditor::set_state(const Dictionary& p_state) {

	Dictionary d = p_state;

	ERR_FAIL_COND(!d.has("viewport_mode"));
	ERR_FAIL_COND(!d.has("viewports"));
	ERR_FAIL_COND(!d.has("default_light"));
	ERR_FAIL_COND(!d.has("show_grid"));
	ERR_FAIL_COND(!d.has("show_origin"));
	ERR_FAIL_COND(!d.has("fov"));
	ERR_FAIL_COND(!d.has("znear"));
	ERR_FAIL_COND(!d.has("zfar"));

	int vc = d["viewport_mode"];

	if (vc==1)
		_menu_item_pressed(MENU_VIEW_USE_1_VIEWPORT);
	else if (vc==2)
		_menu_item_pressed(MENU_VIEW_USE_2_VIEWPORTS);
	else if (vc==3)
		_menu_item_pressed(MENU_VIEW_USE_3_VIEWPORTS);
	else if (vc==4)
		_menu_item_pressed(MENU_VIEW_USE_4_VIEWPORTS);

	Array vp = d["viewports"];
	ERR_FAIL_COND(vp.size()>4);

	for(int i=0;i<4;i++) {
		viewports[i]->set_state(vp[i]);
	}


	if (d.has("zfar"))
		settings_zfar->set_text(d["zfar"]);
	if (d.has("znear"))
		settings_znear->set_text(d["znear"]);
	if (d.has("fov"))
		settings_fov->set_text(d["fov"]);
	if (d.has("default_light")) {
		bool use = d["default_light"];

		bool existing = light_instance.is_valid();
		if (use!=existing) {
			if (existing) {
				VisualServer::get_singleton()->free(light_instance);
				light_instance=RID();
			} else {
				light_instance=VisualServer::get_singleton()->instance_create2(light,get_scene()->get_root()->get_world()->get_scenario());
				VisualServer::get_singleton()->instance_set_transform(light_instance,light_transform);

			}
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_DEFAULT_LIGHT), light_instance.is_valid() );
		}

	}

	if (d.has("show_grid")) {
		bool use = d["show_grid"];

		if (use!=view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_GRID))) {
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_GRID), use );
			grid_enabled=use;
		}
	}

	if (d.has("show_origin")) {
		bool use = d["show_origin"];

		if (use!=view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_ORIGIN))) {
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_ORIGIN), use );
			VisualServer::get_singleton()->instance_geometry_set_flag(origin_instance,VS::INSTANCE_FLAG_VISIBLE,use);
		}
	}



}


void SpatialEditor::edit(Spatial *p_spatial) {
	

	if (p_spatial) {
		//_validate_selection();
		//if (selected.has(p_spatial->get_instance_ID()) && selected.size()==1)
		//	return;
		//_select(p_spatial->get_instance_ID(),false,true);

		// should become the selection
	}
	
	
}

void SpatialEditor::_xform_dialog_action() {

	Transform t;
	//translation
	Vector3 scale;
	Vector3 rotate;
	Vector3 translate;

	for(int i=0;i<3;i++) {
		translate[i]=xform_translate[i]->get_text().to_double();
		rotate[i]=Math::deg2rad(xform_rotate[i]->get_text().to_double());
		scale[i]=xform_scale[i]->get_text().to_double();
	}

	t.origin=translate;
	for(int i=0;i<3;i++) {
		if (!rotate[i])
			continue;
		Vector3 axis;
		axis[i]=1.0;
		t.basis.rotate(axis,rotate[i]);
	}

	for(int i=0;i<3;i++) {
		if (scale[i]==1)
			continue;
		t.basis.set_axis(i,t.basis.get_axis(i)*scale[i]);
	}


	undo_redo->create_action("XForm Dialog");

	List<Node*> &selection = editor_selection->get_selected_node_list();

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

		Spatial *sp = E->get()->cast_to<Spatial>();
		if (!sp)
			continue;

		SpatialEditorSelectedItem *se=editor_selection->get_node_editor_data<SpatialEditorSelectedItem>(sp);
		if (!se)
			continue;

		bool post = xform_type->get_selected()>0;

		Transform tr = sp->get_global_transform();
		if (post)
			tr = tr * t;
		else {

			tr.basis = t.basis * tr.basis;
			tr.origin+=t.origin;
		}

		undo_redo->add_do_method(sp,"set_global_transform",tr);
		undo_redo->add_undo_method(sp,"set_global_transform",sp->get_global_transform());
	}
	undo_redo->commit_action();
}

void SpatialEditor::_menu_item_pressed(int p_option) {

	switch(p_option) {

		case MENU_TOOL_SELECT:
		case MENU_TOOL_MOVE:
		case MENU_TOOL_ROTATE:
		case MENU_TOOL_SCALE: {

			for(int i=0;i<4;i++)
				tool_button[i]->set_pressed(i==p_option);
			tool_mode=(ToolMode)p_option;

			static const char *_mode[]={"Selection Mode.","Translation Mode.","Rotation Mode.","Scale Mode."};
//			set_message(_mode[p_option],3);
			update_transform_gizmo();

		} break;
		case MENU_TRANSFORM_USE_SNAP: {

			bool is_checked = transform_menu->get_popup()->is_item_checked( transform_menu->get_popup()->get_item_index(p_option) );
			snap_enabled=!is_checked;
			transform_menu->get_popup()->set_item_checked( transform_menu->get_popup()->get_item_index(p_option), snap_enabled );
		} break;
		case MENU_TRANSFORM_CONFIGURE_SNAP: {

			snap_dialog->popup_centered(Size2(200,160));
		} break;
		case MENU_TRANSFORM_LOCAL_COORDS: {

			bool is_checked = transform_menu->get_popup()->is_item_checked( transform_menu->get_popup()->get_item_index(p_option) );
			transform_menu->get_popup()->set_item_checked( transform_menu->get_popup()->get_item_index(p_option), !is_checked );
			update_transform_gizmo();

		} break;
		case MENU_TRANSFORM_DIALOG: {

			for(int i=0;i<3;i++) {


				xform_translate[i]->set_text("0");
				xform_rotate[i]->set_text("0");
				xform_scale[i]->set_text("1");

			}

			xform_dialog->popup_centered(Size2(200,200));

		} break;
		case MENU_VIEW_USE_DEFAULT_LIGHT: {

			bool is_checked = view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(p_option) );

			if (is_checked) {
				VisualServer::get_singleton()->free(light_instance);
				light_instance=RID();
			} else {
				light_instance=VisualServer::get_singleton()->instance_create2(light,get_scene()->get_root()->get_world()->get_scenario());
				VisualServer::get_singleton()->instance_set_transform(light_instance,light_transform);
			}

			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(p_option), light_instance.is_valid() );

		} break;
		case MENU_VIEW_USE_1_VIEWPORT: {

			for(int i=1;i<4;i++) {

				viewports[i]->hide();
			}

			viewports[0]->set_area_as_parent_rect();

			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_1_VIEWPORT), true );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_2_VIEWPORTS), false );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_3_VIEWPORTS), false );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_4_VIEWPORTS), false );

		} break;
		case MENU_VIEW_USE_2_VIEWPORTS: {

			for(int i=1;i<4;i++) {

				if (i==1 || i==3)
					viewports[i]->hide();
				else
					viewports[i]->show();


			}
			viewports[0]->set_area_as_parent_rect();
			viewports[0]->set_anchor_and_margin(MARGIN_BOTTOM,ANCHOR_RATIO,0.5);
			viewports[2]->set_area_as_parent_rect();
			viewports[2]->set_anchor_and_margin(MARGIN_TOP,ANCHOR_RATIO,0.5);

			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_1_VIEWPORT), false );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_2_VIEWPORTS), true );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_3_VIEWPORTS), false );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_4_VIEWPORTS), false );

		} break;
		case MENU_VIEW_USE_3_VIEWPORTS: {

			for(int i=1;i<4;i++) {

				if (i==1)
					viewports[i]->hide();
				else
					viewports[i]->show();
			}
			viewports[0]->set_area_as_parent_rect();
			viewports[0]->set_anchor_and_margin(MARGIN_BOTTOM,ANCHOR_RATIO,0.5);
			viewports[2]->set_area_as_parent_rect();
			viewports[2]->set_anchor_and_margin(MARGIN_RIGHT,ANCHOR_RATIO,0.5);
			viewports[2]->set_anchor_and_margin(MARGIN_TOP,ANCHOR_RATIO,0.5);
			viewports[3]->set_area_as_parent_rect();
			viewports[3]->set_anchor_and_margin(MARGIN_LEFT,ANCHOR_RATIO,0.5);
			viewports[3]->set_anchor_and_margin(MARGIN_TOP,ANCHOR_RATIO,0.5);

			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_1_VIEWPORT), false );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_2_VIEWPORTS), false );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_3_VIEWPORTS), true );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_4_VIEWPORTS), false );

		} break;
		case MENU_VIEW_USE_4_VIEWPORTS: {

			for(int i=1;i<4;i++) {

				viewports[i]->show();
			}
			viewports[0]->set_area_as_parent_rect();
			viewports[0]->set_anchor_and_margin(MARGIN_RIGHT,ANCHOR_RATIO,0.5);
			viewports[0]->set_anchor_and_margin(MARGIN_BOTTOM,ANCHOR_RATIO,0.5);
			viewports[1]->set_area_as_parent_rect();
			viewports[1]->set_anchor_and_margin(MARGIN_LEFT,ANCHOR_RATIO,0.5);
			viewports[1]->set_anchor_and_margin(MARGIN_BOTTOM,ANCHOR_RATIO,0.5);
			viewports[2]->set_area_as_parent_rect();
			viewports[2]->set_anchor_and_margin(MARGIN_RIGHT,ANCHOR_RATIO,0.5);
			viewports[2]->set_anchor_and_margin(MARGIN_TOP,ANCHOR_RATIO,0.5);
			viewports[3]->set_area_as_parent_rect();
			viewports[3]->set_anchor_and_margin(MARGIN_LEFT,ANCHOR_RATIO,0.5);
			viewports[3]->set_anchor_and_margin(MARGIN_TOP,ANCHOR_RATIO,0.5);

			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_1_VIEWPORT), false );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_2_VIEWPORTS), false );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_3_VIEWPORTS), false );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_4_VIEWPORTS), true );

		} break;
		case MENU_VIEW_DISPLAY_NORMAL: {


			VisualServer::get_singleton()->scenario_set_debug( get_scene()->get_root()->get_world()->get_scenario(), VisualServer::SCENARIO_DEBUG_DISABLED );

			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_DISPLAY_NORMAL), true );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_DISPLAY_WIREFRAME), false );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_DISPLAY_OVERDRAW), false );

		} break;
		case MENU_VIEW_DISPLAY_WIREFRAME: {

			VisualServer::get_singleton()->scenario_set_debug( get_scene()->get_root()->get_world()->get_scenario(), VisualServer::SCENARIO_DEBUG_WIREFRAME );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_DISPLAY_NORMAL), false );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_DISPLAY_WIREFRAME), true );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_DISPLAY_OVERDRAW), false );

		} break;
		case MENU_VIEW_DISPLAY_OVERDRAW: {

			VisualServer::get_singleton()->scenario_set_debug( get_scene()->get_root()->get_world()->get_scenario(), VisualServer::SCENARIO_DEBUG_OVERDRAW );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_DISPLAY_NORMAL), false );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_DISPLAY_WIREFRAME), false );
			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_DISPLAY_OVERDRAW), true );

		} break;
		case MENU_VIEW_ORIGIN: {

			bool is_checked = view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(p_option) );

			is_checked=!is_checked;
			VisualServer::get_singleton()->instance_geometry_set_flag(origin_instance,VS::INSTANCE_FLAG_VISIBLE,is_checked);

			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(p_option), is_checked);
		} break;
		case MENU_VIEW_GRID: {

			bool is_checked = view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(p_option) );

			grid_enabled=!is_checked;

			view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(p_option), grid_enabled );


		} break;
		case MENU_VIEW_CAMERA_SETTINGS: {

			settings_dialog->popup_centered(Size2(200,160));
		} break;

	}
}


void SpatialEditor::_init_indicators() {

	//make sure that the camera indicator is not selectable
	light=VisualServer::get_singleton()->light_create( VisualServer::LIGHT_DIRECTIONAL );
	//VisualServer::get_singleton()->light_set_shadow( light, true );
	light_instance=VisualServer::get_singleton()->instance_create2(light,get_scene()->get_root()->get_world()->get_scenario());


	light_transform.rotate(Vector3(1,0,0),Math_PI/5.0);
	VisualServer::get_singleton()->instance_set_transform(light_instance,light_transform);


	RID mat = VisualServer::get_singleton()->fixed_material_create();
	VisualServer::get_singleton()->fixed_material_set_flag(mat, VisualServer::FIXED_MATERIAL_FLAG_USE_ALPHA,true);
	VisualServer::get_singleton()->fixed_material_set_flag(mat, VisualServer::FIXED_MATERIAL_FLAG_USE_COLOR_ARRAY,true);


	{

		RID indicator_mat = VisualServer::get_singleton()->fixed_material_create();
		VisualServer::get_singleton()->material_set_flag( indicator_mat, VisualServer::MATERIAL_FLAG_UNSHADED, true );
		VisualServer::get_singleton()->material_set_flag( indicator_mat, VisualServer::MATERIAL_FLAG_ONTOP, false );
		VisualServer::get_singleton()->fixed_material_set_flag(indicator_mat, VisualServer::FIXED_MATERIAL_FLAG_USE_ALPHA,true);
		VisualServer::get_singleton()->fixed_material_set_flag(indicator_mat, VisualServer::FIXED_MATERIAL_FLAG_USE_COLOR_ARRAY,true);

		DVector<Color> grid_colors[3];
		DVector<Vector3> grid_points[3];
		Vector<Color> origin_colors;
		Vector<Vector3> origin_points;

		for(int i=0;i<3;i++) {
			Vector3 axis;
			axis[i]=1;
			Vector3 axis_n1;
			axis_n1[(i+1)%3]=1;
			Vector3 axis_n2;
			axis_n2[(i+2)%3]=1;

			origin_colors.push_back(Color(axis.x,axis.y,axis.z));
			origin_colors.push_back(Color(axis.x,axis.y,axis.z));
			origin_points.push_back(axis*4096);
			origin_points.push_back(axis*-4096);
#define ORIGIN_GRID_SIZE 25

			for(int j=-ORIGIN_GRID_SIZE;j<=ORIGIN_GRID_SIZE;j++) {


				grid_colors[i].push_back(Color(axis.x,axis.y,axis.z,0.2));
				grid_colors[i].push_back(Color(axis.x,axis.y,axis.z,0.2));
				grid_colors[i].push_back(Color(axis.x,axis.y,axis.z,0.2));
				grid_colors[i].push_back(Color(axis.x,axis.y,axis.z,0.2));
				grid_points[i].push_back(axis_n1*ORIGIN_GRID_SIZE+axis_n2*j);
				grid_points[i].push_back(-axis_n1*ORIGIN_GRID_SIZE+axis_n2*j);
				grid_points[i].push_back(axis_n2*ORIGIN_GRID_SIZE+axis_n1*j);
				grid_points[i].push_back(-axis_n2*ORIGIN_GRID_SIZE+axis_n1*j);

			}

			grid[i] = VisualServer::get_singleton()->mesh_create();
			Array d;
			d.resize(VS::ARRAY_MAX);
			d[VisualServer::ARRAY_VERTEX]=grid_points[i];
			d[VisualServer::ARRAY_COLOR]=grid_colors[i];
			VisualServer::get_singleton()->mesh_add_surface(grid[i],VisualServer::PRIMITIVE_LINES,d);
			VisualServer::get_singleton()->mesh_surface_set_material(grid[i],0,indicator_mat);
			grid_instance[i] = VisualServer::get_singleton()->instance_create2(grid[i],get_scene()->get_root()->get_world()->get_scenario());
			grid_visible[i]=false;
			grid_enable[i]=false;
			VisualServer::get_singleton()->instance_geometry_set_flag(grid_instance[i],VS::INSTANCE_FLAG_VISIBLE,false);
			VisualServer::get_singleton()->instance_geometry_set_flag(grid_instance[i],VS::INSTANCE_FLAG_CAST_SHADOW,false);


		}

		origin = VisualServer::get_singleton()->mesh_create();
		Array d;
		d.resize(VS::ARRAY_MAX);
		d[VisualServer::ARRAY_VERTEX]=origin_points;
		d[VisualServer::ARRAY_COLOR]=origin_colors;

		VisualServer::get_singleton()->mesh_add_surface(origin,VisualServer::PRIMITIVE_LINES,d);
		VisualServer::get_singleton()->mesh_surface_set_material(origin,0,indicator_mat,true);


//		origin = VisualServer::get_singleton()->poly_create();
//		VisualServer::get_singleton()->poly_add_primitive(origin,origin_points,Vector<Vector3>(),origin_colors,Vector<Vector3>());
//		VisualServer::get_singleton()->poly_set_material(origin,indicator_mat,true);
		origin_instance = VisualServer::get_singleton()->instance_create2(origin,get_scene()->get_root()->get_world()->get_scenario());
		VisualServer::get_singleton()->instance_geometry_set_flag(origin_instance,VS::INSTANCE_FLAG_CAST_SHADOW,false);



		VisualServer::get_singleton()->instance_geometry_set_flag(grid_instance[1],VS::INSTANCE_FLAG_VISIBLE,true);
		grid_enable[1]=true;
		grid_visible[1]=true;
		grid_enabled=true;
		last_grid_snap=1;

	}

	{
		cursor_mesh = VisualServer::get_singleton()->mesh_create();
		DVector<Vector3> cursor_points;
		float cs = 0.25;
		cursor_points.push_back(Vector3(+cs,0,0));
		cursor_points.push_back(Vector3(-cs,0,0));
		cursor_points.push_back(Vector3(0,+cs,0));
		cursor_points.push_back(Vector3(0,-cs,0));
		cursor_points.push_back(Vector3(0,0,+cs));
		cursor_points.push_back(Vector3(0,0,-cs));
		RID cmat=VisualServer::get_singleton()->fixed_material_create();
		VisualServer::get_singleton()->fixed_material_set_param(cmat,VS::FIXED_MATERIAL_PARAM_DIFFUSE,Color(0,1,1));
		VisualServer::get_singleton()->material_set_flag( cmat, VisualServer::MATERIAL_FLAG_UNSHADED, true );
		VisualServer::get_singleton()->fixed_material_set_flag(cmat, VisualServer::FIXED_MATERIAL_FLAG_USE_ALPHA,true);
		VisualServer::get_singleton()->fixed_material_set_flag(cmat, VisualServer::FIXED_MATERIAL_FLAG_USE_COLOR_ARRAY,true);

		Array d;
		d.resize(VS::ARRAY_MAX);
		d[VS::ARRAY_VERTEX]=cursor_points;
		VisualServer::get_singleton()->mesh_add_surface(cursor_mesh,VS::PRIMITIVE_LINES,d);
		VisualServer::get_singleton()->mesh_surface_set_material(cursor_mesh,0,cmat,true);

		cursor_instance = VisualServer::get_singleton()->instance_create2(cursor_mesh,get_scene()->get_root()->get_world()->get_scenario());
		VisualServer::get_singleton()->instance_geometry_set_flag(cursor_instance,VS::INSTANCE_FLAG_CAST_SHADOW,false);


	}


	{

		//move gizmo


		gizmo_hl = Ref<FixedMaterial>( memnew( FixedMaterial ) );
		gizmo_hl->set_flag(Material::FLAG_UNSHADED, true);
		gizmo_hl->set_flag(Material::FLAG_ONTOP, true);
		gizmo_hl->set_fixed_flag(FixedMaterial::FLAG_USE_ALPHA, true);
		gizmo_hl->set_parameter(FixedMaterial::PARAM_DIFFUSE,Color(1,1,1,0.4));

		for(int i=0;i<3;i++) {

			move_gizmo[i]=Ref<Mesh>( memnew( Mesh ) );
			move_gizmo_instance[i]=VS::get_singleton()->instance_create();
			VS::get_singleton()->instance_set_base(move_gizmo_instance[i],move_gizmo[i]->get_rid());
			VS::get_singleton()->instance_set_scenario(move_gizmo_instance[i],get_scene()->get_root()->get_world()->get_scenario());
			VS::get_singleton()->instance_geometry_set_flag(move_gizmo_instance[i],VS::INSTANCE_FLAG_VISIBLE,false);
			VS::get_singleton()->instance_geometry_set_flag(move_gizmo_instance[i],VS::INSTANCE_FLAG_DEPH_SCALE,true);
			VS::get_singleton()->instance_geometry_set_flag(move_gizmo_instance[i],VS::INSTANCE_FLAG_CAST_SHADOW,false);



			rotate_gizmo[i]=Ref<Mesh>( memnew( Mesh ) );
			rotate_gizmo_instance[i]=VS::get_singleton()->instance_create();
			VS::get_singleton()->instance_set_base(rotate_gizmo_instance[i],rotate_gizmo[i]->get_rid());
			VS::get_singleton()->instance_set_scenario(rotate_gizmo_instance[i],get_scene()->get_root()->get_world()->get_scenario());
			VS::get_singleton()->instance_geometry_set_flag(rotate_gizmo_instance[i],VS::INSTANCE_FLAG_VISIBLE,false);
			VS::get_singleton()->instance_geometry_set_flag(rotate_gizmo_instance[i],VS::INSTANCE_FLAG_DEPH_SCALE,true);
			VS::get_singleton()->instance_geometry_set_flag(rotate_gizmo_instance[i],VS::INSTANCE_FLAG_CAST_SHADOW,false);


			Ref<FixedMaterial> mat = memnew( FixedMaterial );
			mat->set_flag(Material::FLAG_UNSHADED, true);
			mat->set_flag(Material::FLAG_ONTOP, true);
			mat->set_fixed_flag(FixedMaterial::FLAG_USE_ALPHA, true);
			Color col;
			col[i]=1.0;
			col.a=0.2;
			mat->set_parameter(FixedMaterial::PARAM_DIFFUSE,col);
			gizmo_color[i]=mat;




			Vector3 ivec;
			ivec[i]=1;
			Vector3 nivec;
			nivec[(i+1)%3]=1;
			nivec[(i+2)%3]=1;
			Vector3 ivec2;
			ivec2[(i+1)%3]=1;
			Vector3 ivec3;
			ivec3[(i+2)%3]=1;


			{

				Ref<SurfaceTool> surftool = memnew( SurfaceTool );
				surftool->begin(Mesh::PRIMITIVE_TRIANGLES);

				//translate

				const int arrow_points=5;
				Vector3 arrow[5]={
					nivec*0.0+ivec*0.0,
					nivec*0.01+ivec*0.0,
					nivec*0.01+ivec*1.0,
					nivec*0.1+ivec*1.0,
					nivec*0.0+ivec*(1+GIZMO_ARROW_SIZE),
				};

				int arrow_sides=6;


				for(int i = 0; i < 7 ; i++) {


					Matrix3 ma(ivec,Math_PI*2*float(i)/arrow_sides);
					Matrix3 mb(ivec,Math_PI*2*float(i+1)/arrow_sides);


					for(int j=0;j<arrow_points-1;j++) {

						Vector3 points[4]={
							ma.xform(arrow[j]),
							mb.xform(arrow[j]),
							mb.xform(arrow[j+1]),
							ma.xform(arrow[j+1]),
						};
						surftool->add_vertex(points[0]);
						surftool->add_vertex(points[1]);
						surftool->add_vertex(points[2]);

						surftool->add_vertex(points[0]);
						surftool->add_vertex(points[2]);
						surftool->add_vertex(points[3]);
					}

				}

				surftool->set_material(mat);
				surftool->commit(move_gizmo[i]);
			}

			{


				Ref<SurfaceTool> surftool = memnew( SurfaceTool );
				surftool->begin(Mesh::PRIMITIVE_TRIANGLES);

				Vector3 circle[5]={
					ivec*0.02+ivec2*0.02+ivec2*1.0,
					ivec*-0.02+ivec2*0.02+ivec2*1.0,
					ivec*-0.02+ivec2*-0.02+ivec2*1.0,
					ivec*0.02+ivec2*-0.02+ivec2*1.0,
					ivec*0.02+ivec2*0.02+ivec2*1.0,
				};


				for(int k = 0; k < 33 ; k++) {


					Matrix3 ma(ivec,Math_PI*2*float(k)/32);
					Matrix3 mb(ivec,Math_PI*2*float(k+1)/32);


					for(int j=0;j<4;j++) {

						Vector3 points[4]={
							ma.xform(circle[j]),
							mb.xform(circle[j]),
							mb.xform(circle[j+1]),
							ma.xform(circle[j+1]),
						};
						surftool->add_vertex(points[0]);
						surftool->add_vertex(points[1]);
						surftool->add_vertex(points[2]);

						surftool->add_vertex(points[0]);
						surftool->add_vertex(points[2]);
						surftool->add_vertex(points[3]);
					}

				}

				surftool->set_material(mat);
				surftool->commit(rotate_gizmo[i]);

			}


		}
	}


	_generate_selection_box();


	//get_scene()->get_root_node()->cast_to<EditorNode>()->get_scene_root()->add_child(camera);

	//current_camera=camera;

}

void SpatialEditor::_finish_indicators() {


	VisualServer::get_singleton()->free(origin_instance);
	VisualServer::get_singleton()->free(origin);
	for(int i=0;i<3;i++) {
		VisualServer::get_singleton()->free(grid_instance[i]);
		VisualServer::get_singleton()->free(grid[i]);
	}
	VisualServer::get_singleton()->free(light_instance);
	VisualServer::get_singleton()->free(light);
	//VisualServer::get_singleton()->free(poly);
	//VisualServer::get_singleton()->free(indicators_instance);
	//VisualServer::get_singleton()->free(indicators);

	VisualServer::get_singleton()->free(cursor_instance);
	VisualServer::get_singleton()->free(cursor_mesh);
}

void SpatialEditor::_instance_scene() {
#if 0
	EditorNode *en = get_scene()->get_root_node()->cast_to<EditorNode>();
	ERR_FAIL_COND(!en);
	String path = en->get_scenes_dock()->get_selected_path();
	if (path=="") {
		set_message("No scene selected to instance!");
		return;
	}

	undo_redo->create_action("Instance at Cursor");

	Node* scene = en->request_instance_scene(path);

	if (!scene) {
		set_message("Could not instance scene!");
		undo_redo->commit_action(); //bleh
		return;
	}

	Spatial *s = scene->cast_to<Spatial>();
	if (s) {

		undo_redo->add_do_method(s,"set_global_transform",Transform(Matrix3(),cursor.cursor_pos));
	}

	undo_redo->commit_action();
#endif
}
/*
void SpatialEditor::_update_selection() {



}
*/
void SpatialEditor::_unhandled_key_input(InputEvent p_event) {

	if (!is_visible())
		return;

	 {

		EditorNode *en = editor;
		EditorPlugin *over_plugin = en->get_editor_plugin_over();

		if (over_plugin && over_plugin->forward_input_event(p_event)) {

			return; //ate the over input event
		}

	}

	switch(p_event.type) {

		case InputEvent::KEY: {


			const InputEventKey &k=p_event.key;

			if (!k.pressed)
				break;

			switch(k.scancode) {

				case KEY_Q: _menu_item_pressed(MENU_TOOL_SELECT); break;
				case KEY_W: _menu_item_pressed(MENU_TOOL_MOVE); break;
				case KEY_E: _menu_item_pressed(MENU_TOOL_ROTATE); break;
				case KEY_R: _menu_item_pressed(MENU_TOOL_SCALE); break;

#if 0
#endif
			}

		} break;
	}
}
void SpatialEditor::_notification(int p_what) {

	if (p_what==NOTIFICATION_READY) {

		tool_button[SpatialEditor::TOOL_MODE_SELECT]->set_icon( get_icon("ToolSelect","EditorIcons") );
		tool_button[SpatialEditor::TOOL_MODE_MOVE]->set_icon( get_icon("ToolMove","EditorIcons") );
		tool_button[SpatialEditor::TOOL_MODE_ROTATE]->set_icon( get_icon("ToolRotate","EditorIcons") );
		tool_button[SpatialEditor::TOOL_MODE_SCALE]->set_icon( get_icon("ToolScale","EditorIcons") );
		instance_button->set_icon( get_icon("SpatialAdd","EditorIcons") );


		view_menu->get_popup()->set_item_icon(view_menu->get_popup()->get_item_index(MENU_VIEW_USE_1_VIEWPORT),get_icon("Panels1","EditorIcons"));
		view_menu->get_popup()->set_item_icon(view_menu->get_popup()->get_item_index(MENU_VIEW_USE_2_VIEWPORTS),get_icon("Panels2","EditorIcons"));
		view_menu->get_popup()->set_item_icon(view_menu->get_popup()->get_item_index(MENU_VIEW_USE_3_VIEWPORTS),get_icon("Panels3","EditorIcons"));
		view_menu->get_popup()->set_item_icon(view_menu->get_popup()->get_item_index(MENU_VIEW_USE_4_VIEWPORTS),get_icon("Panels4","EditorIcons"));

		_menu_item_pressed(MENU_VIEW_USE_1_VIEWPORT);

		get_scene()->connect("node_removed",this,"_node_removed");
	}

	if (p_what==NOTIFICATION_ENTER_SCENE) {

		gizmos = memnew( SpatialEditorGizmos );
		_init_indicators();

	}
	if (p_what==NOTIFICATION_EXIT_SCENE) {

		_finish_indicators();
		memdelete( gizmos );

	}
}

void SpatialEditor::add_control_to_menu_panel(Control *p_control) {


	hbc_menu->add_child(p_control);
}

void SpatialEditor::set_can_preview(Camera* p_preview) {

	for(int i=0;i<4;i++) {
		viewports[i]->set_can_preview(p_preview);
	}
}

VSplitContainer *SpatialEditor::get_shader_split() {

	return shader_split;
}

HSplitContainer *SpatialEditor::get_palette_split() {

	return palette_split;
}


void SpatialEditor::_request_gizmo(Object* p_obj) {

	Spatial *sp=p_obj->cast_to<Spatial>();
	if (!sp)
		return;
	if (editor->get_edited_scene() && (sp==editor->get_edited_scene() || sp->get_owner()==editor->get_edited_scene())) {

		Ref<SpatialEditorGizmo> seg = gizmos->get_gizmo(sp);

		if (seg.is_valid())
			sp->set_gizmo(seg);

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

			if (E->get()->create_spatial_gizmo(sp))
				return;
		}
	}

}

void SpatialEditor::_toggle_maximize_view(Object* p_viewport) {
	if (!p_viewport) return;
	SpatialEditorViewport *current_viewport = p_viewport->cast_to<SpatialEditorViewport>();
	if (!current_viewport) return;

	int index=-1;
	bool maximized = false;
	for(int i=0;i<4;i++) {
		if (viewports[i]==current_viewport) {
			index=i;
			if ( current_viewport->get_global_rect() == viewport_base->get_global_rect() )
				maximized=true;
			break;
		}
	}
	if (index==-1) return;

	if (!maximized) {

		for(int i=0;i<4;i++) {
			if (i==index)
				viewports[i]->set_area_as_parent_rect();
			else
				viewports[i]->hide();
		}
	} else {

		for(int i=0;i<4;i++)
			viewports[i]->show();

		if (view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_1_VIEWPORT) ))
			_menu_item_pressed(MENU_VIEW_USE_1_VIEWPORT);
		else if (view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_2_VIEWPORTS) ))
			_menu_item_pressed(MENU_VIEW_USE_2_VIEWPORTS);
		else if (view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_3_VIEWPORTS) ))
			_menu_item_pressed(MENU_VIEW_USE_3_VIEWPORTS);
		else if (view_menu->get_popup()->is_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_4_VIEWPORTS) ))
			_menu_item_pressed(MENU_VIEW_USE_4_VIEWPORTS);
	}

}

void SpatialEditor::_bind_methods() {

//	ObjectTypeDB::bind_method("_input_event",&SpatialEditor::_input_event);
	ObjectTypeDB::bind_method("_unhandled_key_input",&SpatialEditor::_unhandled_key_input);
	//ObjectTypeDB::bind_method("_node_removed",&SpatialEditor::_node_removed);
	ObjectTypeDB::bind_method("_menu_item_pressed",&SpatialEditor::_menu_item_pressed);
	ObjectTypeDB::bind_method("_xform_dialog_action",&SpatialEditor::_xform_dialog_action);
	ObjectTypeDB::bind_method("_instance_scene",&SpatialEditor::_instance_scene);
//	ObjectTypeDB::bind_method("_update_selection",&SpatialEditor::_update_selection);
	ObjectTypeDB::bind_method("_get_editor_data",&SpatialEditor::_get_editor_data);
	ObjectTypeDB::bind_method("_request_gizmo",&SpatialEditor::_request_gizmo);

	ObjectTypeDB::bind_method("_toggle_maximize_view",&SpatialEditor::_toggle_maximize_view);

	ADD_SIGNAL( MethodInfo("transform_key_request") );


}

SpatialEditor::SpatialEditor(EditorNode *p_editor) {


	viewport_environment = Ref<Environment>( memnew( Environment ) );
	undo_redo=p_editor->get_undo_redo();
	VBoxContainer *vbc = this;

	custom_camera=NULL;
	singleton=this;
	editor=p_editor;
	editor_selection=editor->get_editor_selection();
	editor_selection->add_editor_plugin(this);
	editor_selection->connect("selection_changed",this,"_update_selection");

	snap_enabled=false;
	tool_mode = TOOL_MODE_SELECT;

	//set_focus_mode(FOCUS_ALL);

	hbc_menu = memnew( HBoxContainer );
	vbc->add_child(hbc_menu);


	Vector<Variant> button_binds;
	button_binds.resize(1);

	tool_button[TOOL_MODE_SELECT] = memnew( ToolButton );
	hbc_menu->add_child( tool_button[TOOL_MODE_SELECT] );
	tool_button[TOOL_MODE_SELECT]->set_toggle_mode(true);
	tool_button[TOOL_MODE_SELECT]->set_flat(true);
	tool_button[TOOL_MODE_SELECT]->set_pressed(true);
	button_binds[0]=MENU_TOOL_SELECT;
	tool_button[TOOL_MODE_SELECT]->connect("pressed", this,"_menu_item_pressed",button_binds);
	tool_button[TOOL_MODE_SELECT]->set_tooltip("Select Mode (Q)");


	tool_button[TOOL_MODE_MOVE] = memnew( ToolButton );

	hbc_menu->add_child( tool_button[TOOL_MODE_MOVE] );
	tool_button[TOOL_MODE_MOVE]->set_toggle_mode(true);
	tool_button[TOOL_MODE_MOVE]->set_flat(true);
	button_binds[0]=MENU_TOOL_MOVE;
	tool_button[TOOL_MODE_MOVE]->connect("pressed", this,"_menu_item_pressed",button_binds);
	tool_button[TOOL_MODE_MOVE]->set_tooltip("Move Mode (W)");

	tool_button[TOOL_MODE_ROTATE] = memnew( ToolButton );
	hbc_menu->add_child( tool_button[TOOL_MODE_ROTATE] );
	tool_button[TOOL_MODE_ROTATE]->set_toggle_mode(true);
	tool_button[TOOL_MODE_ROTATE]->set_flat(true);
	button_binds[0]=MENU_TOOL_ROTATE;
	tool_button[TOOL_MODE_ROTATE]->connect("pressed", this,"_menu_item_pressed",button_binds);
	tool_button[TOOL_MODE_ROTATE]->set_tooltip("Rotate Mode (E)");

	tool_button[TOOL_MODE_SCALE] = memnew( ToolButton );
	hbc_menu->add_child( tool_button[TOOL_MODE_SCALE] );
	tool_button[TOOL_MODE_SCALE]->set_toggle_mode(true);
	tool_button[TOOL_MODE_SCALE]->set_flat(true);
	button_binds[0]=MENU_TOOL_SCALE;
	tool_button[TOOL_MODE_SCALE]->connect("pressed", this,"_menu_item_pressed",button_binds);
	tool_button[TOOL_MODE_SCALE]->set_tooltip("Scale Mode (R)");

	instance_button = memnew( Button );
	hbc_menu->add_child( instance_button );
	instance_button->set_flat(true);
	instance_button->connect("pressed",this,"_instance_scene");

	VSeparator *vs = memnew( VSeparator );
	hbc_menu->add_child(vs);


	PopupMenu *p;

	transform_menu = memnew( MenuButton );
	transform_menu->set_text("Transform");
	hbc_menu->add_child( transform_menu );

	p = transform_menu->get_popup();
	p->add_check_item("Use Snap",MENU_TRANSFORM_USE_SNAP);
	p->add_item("Configure Snap..",MENU_TRANSFORM_CONFIGURE_SNAP);
	p->add_separator();
	p->add_check_item("Local Coords",MENU_TRANSFORM_LOCAL_COORDS);
	//p->set_item_checked(p->get_item_count()-1,true);
	p->add_separator();
	p->add_item("Transform Dialog..",MENU_TRANSFORM_DIALOG);

	p->connect("item_pressed", this,"_menu_item_pressed");

	view_menu = memnew( MenuButton );
	view_menu->set_text("View");
	view_menu->set_pos( Point2( 212,0) );
	hbc_menu->add_child( view_menu );

	p = view_menu->get_popup();

	p->add_check_item("Use Default Light",MENU_VIEW_USE_DEFAULT_LIGHT);
	p->add_separator();

	p->add_check_item("1 Viewport",MENU_VIEW_USE_1_VIEWPORT,KEY_MASK_ALT+KEY_1);
	p->add_check_item("2 Viewports",MENU_VIEW_USE_2_VIEWPORTS,KEY_MASK_ALT+KEY_2);
	p->add_check_item("3 Viewports",MENU_VIEW_USE_3_VIEWPORTS,KEY_MASK_ALT+KEY_3);
	p->add_check_item("4 Viewports",MENU_VIEW_USE_4_VIEWPORTS,KEY_MASK_ALT+KEY_4);
	p->add_separator();

	p->add_check_item("Display Normal",MENU_VIEW_DISPLAY_NORMAL);
	p->add_check_item("Display Wireframe",MENU_VIEW_DISPLAY_WIREFRAME);
	p->add_check_item("Display Overdraw",MENU_VIEW_DISPLAY_OVERDRAW);
	p->add_separator();
	p->add_check_item("View Origin",MENU_VIEW_ORIGIN);
	p->add_check_item("View Grid",MENU_VIEW_GRID);
	p->add_separator();
	p->add_check_item("Settings",MENU_VIEW_CAMERA_SETTINGS );


	p->set_item_checked( p->get_item_index(MENU_VIEW_USE_DEFAULT_LIGHT), true );
	p->set_item_checked( p->get_item_index(MENU_VIEW_DISPLAY_NORMAL), true );
	p->set_item_checked( p->get_item_index(MENU_VIEW_ORIGIN), true );
	p->set_item_checked( p->get_item_index(MENU_VIEW_GRID), true );


	p->connect("item_pressed", this,"_menu_item_pressed");


	/* REST OF MENU */

	palette_split = memnew( HSplitContainer);
	palette_split->set_v_size_flags(SIZE_EXPAND_FILL);
	vbc->add_child(palette_split);

	shader_split = memnew( VSplitContainer );
	shader_split->set_h_size_flags(SIZE_EXPAND_FILL);
	palette_split->add_child(shader_split);
	viewport_base = memnew( Control );
	shader_split->add_child(viewport_base);
	viewport_base->set_v_size_flags(SIZE_EXPAND_FILL);
	for(int i=0;i<4;i++) {

		viewports[i] = memnew( SpatialEditorViewport(this,editor) );
		viewports[i]->connect("toggle_maximize_view",this,"_toggle_maximize_view");
		viewport_base->add_child(viewports[i]);
	}
	//vbc->add_child(viewport_base);




	/* SNAP DIALOG */

	snap_dialog = memnew( ConfirmationDialog );
	snap_dialog->set_title("Snap Settings");
	add_child(snap_dialog);
	Label *l = memnew(Label);
	l->set_text("Translate Snap:");
	l->set_pos(Point2(5,5));
	snap_dialog->add_child(l);

	snap_translate = memnew( LineEdit );
	snap_translate->set_anchor( MARGIN_RIGHT, ANCHOR_END );
	snap_translate->set_begin( Point2(15,22) );
	snap_translate->set_end( Point2(15,35) );
	snap_translate->set_text("1");
	snap_dialog->add_child(snap_translate);

	l = memnew(Label);
	l->set_text("Rotate Snap (deg.):");
	l->set_pos(Point2(5,45));
	snap_dialog->add_child(l);

	snap_rotate = memnew( LineEdit );
	snap_rotate->set_anchor( MARGIN_RIGHT, ANCHOR_END );
	snap_rotate->set_begin( Point2(15,62) );
	snap_rotate->set_end( Point2(15,75) );
	snap_rotate->set_text("5");
	snap_dialog->add_child(snap_rotate);


	l = memnew(Label);
	l->set_text("Scale Snap (%):");
	l->set_pos(Point2(5,85));
	snap_dialog->add_child(l);

	snap_scale = memnew( LineEdit );
	snap_scale->set_anchor( MARGIN_RIGHT, ANCHOR_END );
	snap_scale->set_begin( Point2(15,102) );
	snap_scale->set_end( Point2(15,115) );
	snap_scale->set_text("5");
	snap_dialog->add_child(snap_scale);

	//snap_dialog->get_cancel()->hide();

	/* SNAP DIALOG */

	settings_dialog = memnew( ConfirmationDialog );
	settings_dialog->set_title("Viewport Settings");
	add_child(settings_dialog);
	l = memnew(Label);
	l->set_text("Perspective FOV (deg.):");
	l->set_pos(Point2(5,5));
	settings_dialog->add_child(l);

	settings_fov = memnew( LineEdit );
	settings_fov->set_anchor( MARGIN_RIGHT, ANCHOR_END );
	settings_fov->set_begin( Point2(15,22) );
	settings_fov->set_end( Point2(15,35) );
	settings_fov->set_text(EDITOR_DEF("3d_editor/default_fov",60.0));
	settings_dialog->add_child(settings_fov);

	l = memnew(Label);
	l->set_text("View Z-Near");
	l->set_pos(Point2(5,45));
	settings_dialog->add_child(l);

	settings_znear = memnew( LineEdit );
	settings_znear->set_anchor( MARGIN_RIGHT, ANCHOR_END );
	settings_znear->set_begin( Point2(15,62) );
	settings_znear->set_end( Point2(15,75) );
	settings_znear->set_text(EDITOR_DEF("3d_editor/default_z_near",0.1));
	settings_dialog->add_child(settings_znear);


	l = memnew(Label);
	l->set_text("View Z-Far");
	l->set_pos(Point2(5,85));
	settings_dialog->add_child(l);

	settings_zfar = memnew( LineEdit );
	settings_zfar->set_anchor( MARGIN_RIGHT, ANCHOR_END );
	settings_zfar->set_begin( Point2(15,102) );
	settings_zfar->set_end( Point2(15,115) );
	settings_zfar->set_text(EDITOR_DEF("3d_editor/default_z_far",500.0));
	settings_dialog->add_child(settings_zfar);

	//settings_dialog->get_cancel()->hide();
	/* XFORM DIALOG */

	xform_dialog = memnew( ConfirmationDialog );
	xform_dialog->set_title("Transform Change");
	add_child(xform_dialog);
	l = memnew(Label);
	l->set_text("Translate:");
	l->set_pos(Point2(5,5));
	xform_dialog->add_child(l);

	for(int i=0;i<3;i++) {

		xform_translate[i] = memnew( LineEdit );
		xform_translate[i]->set_pos( Point2(15+i*60,22) );
		xform_translate[i]->set_size( Size2(50,12 ) );
		xform_dialog->add_child( xform_translate[i] );
	}

	l = memnew(Label);
	l->set_text("Rotate (deg.):");
	l->set_pos(Point2(5,45));
	xform_dialog->add_child(l);

	for(int i=0;i<3;i++) {
		xform_rotate[i] = memnew( LineEdit );
		xform_rotate[i]->set_pos( Point2(15+i*60,62) );
		xform_rotate[i]->set_size( Size2(50,22 ) );
		xform_dialog->add_child(xform_rotate[i]);
	}

	l = memnew(Label);
	l->set_text("Scale (ratio):");
	l->set_pos(Point2(5,85));
	xform_dialog->add_child(l);

	for(int i=0;i<3;i++) {
		xform_scale[i] = memnew( LineEdit );
		xform_scale[i]->set_pos( Point2(15+i*60,102) );
		xform_scale[i]->set_size( Size2(50,22 ) );
		xform_dialog->add_child(xform_scale[i]);
	}

	l = memnew(Label);
	l->set_text("Transform Type");
	l->set_pos(Point2(5,125));
	xform_dialog->add_child(l);

	xform_type = memnew( OptionButton );
	xform_type->set_anchor( MARGIN_RIGHT, ANCHOR_END );
	xform_type->set_begin( Point2(15,142) );
	xform_type->set_end( Point2(15,75) );
	xform_type->add_item("Pre");
	xform_type->add_item("Post");
	xform_dialog->add_child(xform_type);

	xform_dialog->connect("confirmed", this,"_xform_dialog_action");

	scenario_debug=VisualServer::SCENARIO_DEBUG_DISABLED;


	add_to_group("unhandled_key_input");
	add_to_group("_spatial_editor_group");
}

SpatialEditor::~SpatialEditor() {


}




void SpatialEditorPlugin::make_visible(bool p_visible) {

	if (p_visible) {
	

		spatial_editor->show();
		spatial_editor->set_process(true);
		//VisualServer::get_singleton()->viewport_set_hide_scenario(editor->get_scene_root()->get_viewport(),false);
		spatial_editor->grab_focus();

	} else {
	
		spatial_editor->hide();
		spatial_editor->set_process(false);
		//VisualServer::get_singleton()->viewport_set_hide_scenario(editor->get_scene_root()->get_viewport(),true);

	}

}
void SpatialEditorPlugin::edit(Object *p_object) {
	
	spatial_editor->edit(p_object->cast_to<Spatial>());
}

bool SpatialEditorPlugin::handles(Object *p_object) const {
	
	return p_object->is_type("Spatial");
}

Dictionary SpatialEditorPlugin::get_state() const {
	return spatial_editor->get_state();
}

void SpatialEditorPlugin::set_state(const Dictionary& p_state) {

	spatial_editor->set_state(p_state);
}

void SpatialEditor::snap_cursor_to_plane(const Plane& p_plane) {

//	cursor.pos=p_plane.project(cursor.pos);
}

void SpatialEditorPlugin::_bind_methods() {

	ObjectTypeDB::bind_method("snap_cursor_to_plane",&SpatialEditorPlugin::snap_cursor_to_plane);

}

void SpatialEditorPlugin::snap_cursor_to_plane(const Plane& p_plane) {


	spatial_editor->snap_cursor_to_plane(p_plane);
}




SpatialEditorPlugin::SpatialEditorPlugin(EditorNode *p_node) {
	
	editor=p_node;
	spatial_editor = memnew( SpatialEditor(p_node) );
	editor->get_viewport()->add_child(spatial_editor);
	spatial_editor->set_area_as_parent_rect();
	spatial_editor->hide();
	spatial_editor->connect("transform_key_request",editor,"_transform_keyed");

	//spatial_editor->set_process(true);
}


SpatialEditorPlugin::~SpatialEditorPlugin() {
	
}