Merge branch 'master' of github.com:okamstudio/godot

1 files changed, 1182 insertions, 203 deletions

diff --git a/tools/editor/editor_node.cpp b/tools/editor/editor_node.cpp
index 41545b887a..7789008c62 100644
--- a/tools/editor/editor_node.cpp
+++ b/tools/editor/editor_node.cpp
@@ -5,7 +5,7 @@
 /*                           GODOT ENGINE                                */
 /*                    http://www.godotengine.org                         */
 /*************************************************************************/
-/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2007-2015 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       */
@@ -54,7 +54,7 @@
 #include "register_exporters.h"
 #include "bind/core_bind.h"
 #include "io/zip_io.h"
-
+#include "io/config_file.h"
 
 // plugins
 #include "plugins/sprite_frames_editor_plugin.h"
@@ -91,6 +91,8 @@
 #include "plugins/polygon_2d_editor_plugin.h"
 #include "plugins/navigation_polygon_editor_plugin.h"
 #include "plugins/light_occluder_2d_editor_plugin.h"
+#include "plugins/color_ramp_editor_plugin.h"
+#include "plugins/collision_shape_2d_editor_plugin.h"
 // end
 #include "tools/editor/io_plugins/editor_texture_import_plugin.h"
 #include "tools/editor/io_plugins/editor_scene_import_plugin.h"
@@ -99,15 +101,50 @@
 #include "tools/editor/io_plugins/editor_translation_import_plugin.h"
 #include "tools/editor/io_plugins/editor_mesh_import_plugin.h"
 
+#include "plugins/editor_preview_plugins.h"
 
 
 EditorNode *EditorNode::singleton=NULL;
 
+void EditorNode::_update_scene_tabs() {
+
+	scene_tabs->clear_tabs();
+	Ref<Texture> script_icon = gui_base->get_icon("Script","EditorIcons");
+	for(int i=0;i<editor_data.get_edited_scene_count();i++) {
+
+		String type=editor_data.get_scene_type(i);
+		Ref<Texture> icon;
+		if (type!=String()) {
+
+			if (!gui_base->has_icon(type,"EditorIcons")) {
+				type="Node";
+			}
+
+			icon=gui_base->get_icon(type,"EditorIcons");
+
+		}
+
+
+
+		int current = editor_data.get_edited_scene();
+		bool unsaved = (i==current)?saved_version!=editor_data.get_undo_redo().get_version():editor_data.get_scene_version(i)!=0;
+		scene_tabs->add_tab(editor_data.get_scene_title(i)+(unsaved?"(*)":""),icon);
+
+		if (editor_data.get_scene_root_script(i).is_valid()) {
+			scene_tabs->set_tab_right_button(i,script_icon);
+		}
+
+	}
+
+	scene_tabs->set_current_tab(editor_data.get_edited_scene());
+
+}
+
 void EditorNode::_update_title() {
 
 	String appname = Globals::get_singleton()->get("application/name");
 	String title = appname.empty()?String(VERSION_FULL_NAME):String(_MKSTR(VERSION_NAME) + String(" - ") + appname);
-	String edited = edited_scene?edited_scene->get_filename():String();
+	String edited = editor_data.get_edited_scene_root()?editor_data.get_edited_scene_root()->get_filename():String();
 	if (!edited.empty())
 		title+=" - " + String(edited.get_file());
 	if (unsaved_cache)
@@ -144,6 +181,7 @@ void EditorNode::_unhandled_input(const InputEvent& p_event) {
 void EditorNode::_notification(int p_what) {
 
 	if (p_what==NOTIFICATION_EXIT_TREE) {
+
 		editor_data.save_editor_external_data();
 
 		log->deinit(); // do not get messages anymore
@@ -171,6 +209,11 @@ void EditorNode::_notification(int p_what) {
 			_update_title();
 		}
 
+		if (last_checked_version!=editor_data.get_undo_redo().get_version()) {
+			_update_scene_tabs();
+			last_checked_version=editor_data.get_undo_redo().get_version();
+		}
+
 		//get_root_node()->set_rect(viewport->get_global_rect());
 
 		//update the circle
@@ -184,7 +227,7 @@ void EditorNode::_notification(int p_what) {
 				circle_step=0;
 
 			circle_step_msec=tick;
-			circle_step_frame=frame+1;
+		circle_step_frame=frame+1;
 
 			update_menu->set_icon(gui_base->get_icon("Progress"+itos(circle_step+1),"EditorIcons"));
 
@@ -228,6 +271,13 @@ void EditorNode::_notification(int p_what) {
 
 		//import_monitor->scan_changes();
 	}
+
+	if (p_what==NOTIFICATION_EXIT_TREE) {
+
+
+		editor_data.clear_edited_scenes();
+
+	}
 	if (p_what==NOTIFICATION_READY) {
 
 		VisualServer::get_singleton()->viewport_set_hide_scenario(get_scene_root()->get_viewport(),true);
@@ -319,6 +369,11 @@ void EditorNode::_fs_changed() {
 
 		E->get()->invalidate();
 	}
+
+	for(Set<EditorFileDialog*>::Element *E=editor_file_dialogs.front();E;E=E->next()) {
+
+		E->get()->invalidate();
+	}
 }
 
 void EditorNode::_sources_changed(bool p_exist) {
@@ -385,7 +440,7 @@ void EditorNode::edit_node(Node *p_node) {
 void EditorNode::open_resource(const String& p_type) {
 
 
-	file->set_mode(FileDialog::MODE_OPEN_FILE);
+	file->set_mode(EditorFileDialog::MODE_OPEN_FILE);
 
 	List<String> extensions;
 	ResourceLoader::get_recognized_extensions_for_type(p_type,&extensions);
@@ -453,14 +508,14 @@ void EditorNode::_dialog_display_file_error(String p_file,Error p_error) {
 			}break;
 		}
 					
-		accept->popup_centered(Size2(300,70));;
+		accept->popup_centered_minsize();
 	}
 
 }
 
 void EditorNode::_get_scene_metadata() {
 
-	Node *scene = edited_scene;
+	Node *scene = editor_data.get_edited_scene_root();
 
 	if (!scene)
 		return;
@@ -487,7 +542,7 @@ void EditorNode::_get_scene_metadata() {
 
 void EditorNode::_set_scene_metadata() {
 
-	Node *scene = edited_scene;
+	Node *scene = editor_data.get_edited_scene_root();
 
 	if (!scene)
 		return;
@@ -609,7 +664,42 @@ static Error _fix_imported_scene_paths(Node* node, Node* root, String save_path)
 };
 
 
-bool EditorNode::_find_and_save_edited_subresources(Object *obj,Set<RES>& processed,int32_t flags) {
+bool EditorNode::_find_and_save_resource(RES res,Map<RES,bool>& processed,int32_t flags) {
+
+	if (res.is_null())
+		return false;
+
+	 if (processed.has(res)) {
+
+		 return processed[res];
+	 }
+
+
+	bool changed = res->is_edited();
+	res->set_edited(false);
+
+	bool subchanged = _find_and_save_edited_subresources(res.ptr(),processed,flags);
+
+//	print_line("checking if edited: "+res->get_type()+" :: "+res->get_name()+" :: "+res->get_path()+" :: "+itos(changed)+" :: SR "+itos(subchanged));
+
+	if (res->get_path().is_resource_file()) {
+		if (changed || subchanged) {
+			//save
+			print_line("Also saving modified external resource: "+res->get_path());
+			Error err = ResourceSaver::save(res->get_path(),res,flags);
+
+		}
+		processed[res]=false; //because it's a file
+		return false;
+	} else {
+
+
+		processed[res]=changed;
+		return changed;
+	}
+}
+
+bool EditorNode::_find_and_save_edited_subresources(Object *obj,Map<RES,bool>& processed,int32_t flags) {
 
 	bool ret_changed=false;
 	List<PropertyInfo> pi;
@@ -619,57 +709,45 @@ bool EditorNode::_find_and_save_edited_subresources(Object *obj,Set<RES>& proces
 		if (!(E->get().usage&PROPERTY_USAGE_STORAGE))
 			continue;
 
+
+
 		switch(E->get().type) {
 			case Variant::OBJECT: {
 
 				RES res = obj->get(E->get().name);
 
-				if (res.is_null() || processed.has(res))
-					break;
-
-				processed.insert(res);
-
-				bool changed = res->is_edited();
-				res->set_edited(false);
-
-				bool subchanged = _find_and_save_edited_subresources(res.ptr(),processed,flags);
-
-				if (res->get_path().is_resource_file()) {
-					if (changed || subchanged) {
-						//save
-						print_line("Also saving modified external resource: "+res->get_path());
-						Error err = ResourceSaver::save(res->get_path(),res,flags);
-
-					}
-				} else {
-
+				if (_find_and_save_resource(res,processed,flags))
 					ret_changed=true;
-				}
-
 
 			} break;
 			case Variant::ARRAY: {
 
-				/*Array varray=p_variant;
+				Array varray= obj->get(E->get().name);
 				int len=varray.size();
 				for(int i=0;i<len;i++) {
 
 					Variant v=varray.get(i);
-					_find_resources(v);
-				}*/
+					RES res=v;
+					if (_find_and_save_resource(res,processed,flags))
+						ret_changed=true;
+
+					//_find_resources(v);
+				}
 
 			} break;
 			case Variant::DICTIONARY: {
 
-				/*
-				Dictionary d=p_variant;
+
+				Dictionary d=obj->get(E->get().name);;
 				List<Variant> keys;
 				d.get_key_list(&keys);
 				for(List<Variant>::Element *E=keys.front();E;E=E->next()) {
 
 					Variant v = d[E->get()];
-					_find_resources(v);
-				} */
+					RES res=v;
+					if (_find_and_save_resource(res,processed,flags))
+						ret_changed=true;
+				}
 			} break;
 			default: {}
 		}
@@ -680,23 +758,113 @@ bool EditorNode::_find_and_save_edited_subresources(Object *obj,Set<RES>& proces
 
 }
 
-void EditorNode::_save_edited_subresources(Node* scene,Set<RES>& processed,int32_t flags) {
+void EditorNode::_save_edited_subresources(Node* scene,Map<RES,bool>& processed,int32_t flags) {
 
 	_find_and_save_edited_subresources(scene,processed,flags);
 
 	for(int i=0;i<scene->get_child_count();i++) {
 
 		Node *n = scene->get_child(i);
-		if (n->get_owner()!=edited_scene)
+		if (n->get_owner()!=editor_data.get_edited_scene_root())
 			continue;
 		_save_edited_subresources(n,processed,flags);
 	}
 
 }
 
+void EditorNode::_find_node_types(Node* p_node, int&count_2d, int&count_3d) {
+
+	if (p_node->is_type("Viewport") || (p_node!=editor_data.get_edited_scene_root() && p_node->get_owner()!=editor_data.get_edited_scene_root()))
+		return;
+
+	if (p_node->is_type("CanvasItem"))
+		count_2d++;
+	else if (p_node->is_type("Spatial"))
+		count_3d++;
+
+	for(int i=0;i<p_node->get_child_count();i++)
+		_find_node_types(p_node->get_child(i),count_2d,count_3d);
+
+}
+
+
+void EditorNode::_save_scene_with_preview(String p_file) {
+
+	int c2d=0;
+	int c3d=0;
+
+	EditorProgress save("save","Saving Scene",4);
+	save.step("Analyzing",0);
+	_find_node_types(editor_data.get_edited_scene_root(),c2d,c3d);
+
+	RID viewport;
+	bool is2d;
+	if (c3d<c2d) {
+		viewport=scene_root->get_viewport();
+		is2d=true;
+	} else {
+		viewport=SpatialEditor::get_singleton()->get_editor_viewport(0)->get_viewport_node()->get_viewport();
+		is2d=false;
+
+	}
+	save.step("Creating Thumbnail",1);
+	//current view?
+	int screen =-1;
+	for(int i=0;i<editor_table.size();i++) {
+		if (editor_plugin_screen==editor_table[i]) {
+			screen=i;
+			break;
+		}
+	}
+
+	_editor_select(is2d?0:1);
+
+	VS::get_singleton()->viewport_queue_screen_capture(viewport);
+	save.step("Creating Thumbnail",2);
+	save.step("Creating Thumbnail",3);
+	Image img = VS::get_singleton()->viewport_get_screen_capture(viewport);
+	int preview_size = EditorSettings::get_singleton()->get("file_dialog/thumbnail_size");;
+	int width,height;
+	if (img.get_width() > preview_size && img.get_width() >= img.get_height()) {
+
+		width=preview_size;
+		height = img.get_height() * preview_size / img.get_width();
+	} else if (img.get_height() > preview_size &&  img.get_height() >= img.get_width()) {
+
+		height=preview_size;
+		width = img.get_width() * preview_size / img.get_height();
+	}  else {
+
+		width=img.get_width();
+		height=img.get_height();
+	}
+
+	img.convert(Image::FORMAT_RGB);
+	img.resize(width,height);
+
+	String pfile = EditorSettings::get_singleton()->get_settings_path().plus_file("tmp/last_scene_preview.png");
+	img.save_png(pfile);
+	Vector<uint8_t> imgdata = FileAccess::get_file_as_array(pfile);
+
+	//print_line("img data is "+itos(imgdata.size()));
+
+	if (editor_data.get_edited_scene_import_metadata().is_null())
+		editor_data.set_edited_scene_import_metadata(Ref<ResourceImportMetadata>( memnew( ResourceImportMetadata ) ) );
+	editor_data.get_edited_scene_import_metadata()->set_option("thumbnail",imgdata);
+
+	//tamanio tel thumbnail
+	if (screen!=-1) {
+		_editor_select(screen);
+	}
+	save.step("Saving Scene",4);
+	_save_scene(p_file);
+
+}
+
+
 void EditorNode::_save_scene(String p_file) {
 
-	Node *scene = edited_scene;
+	Node *scene = editor_data.get_edited_scene_root();
 
 	if (!scene) {
 
@@ -704,7 +872,7 @@ void EditorNode::_save_scene(String p_file) {
 		//accept->get_cancel()->hide();
 		accept->get_ok()->set_text("I see..");
 		accept->set_text("This operation can't be done without a tree root.");
-		accept->popup_centered(Size2(300,70));;
+		accept->popup_centered_minsize();
 		return;
 	}
 
@@ -726,11 +894,11 @@ void EditorNode::_save_scene(String p_file) {
 		//accept->get_cancel()->hide();
 		accept->get_ok()->set_text("I see..");
 		accept->set_text("Couldn't save scene. Likely dependencies (instances) couldn't be satisfied.");
-		accept->popup_centered(Size2(300,70));;
+		accept->popup_centered_minsize();
 		return;
 	}
 
-	sdata->set_import_metadata(scene_import_metadata);
+	sdata->set_import_metadata(editor_data.get_edited_scene_import_metadata());
 	int flg=0;
 	if (EditorSettings::get_singleton()->get("on_save/compress_binary_resources"))
 		flg|=ResourceSaver::FLAG_COMPRESS;
@@ -740,13 +908,13 @@ void EditorNode::_save_scene(String p_file) {
 
 
 	err = ResourceSaver::save(p_file,sdata,flg);
-	Set<RES> processed;
+	Map<RES,bool> processed;
 	_save_edited_subresources(scene,processed,flg);
 	editor_data.save_editor_external_data();
 	if (err==OK) {
 		scene->set_filename( Globals::get_singleton()->localize_path(p_file) );
 		//EditorFileSystem::get_singleton()->update_file(p_file,sdata->get_type());
-		saved_version=editor_data.get_undo_redo().get_version();
+		set_current_version(editor_data.get_undo_redo().get_version());
 		_update_title();
 	} else {
 
@@ -927,14 +1095,14 @@ void EditorNode::_dialog_action(String p_file) {
 				//confirmation->get_cancel()->hide();
 				accept->get_ok()->set_text("I see..");
 				accept->set_text("This operation requieres a single selected node.");
-				accept->popup_centered(Size2(300,70));;
+				accept->popup_centered_minsize();
 				break;
 			}
 
 			Node *base = selection.front()->get();
 
 			Map<Node*,Node*> reown;
-			reown[get_edited_scene()]=base;
+			reown[editor_data.get_edited_scene_root()]=base;
 			Node *copy = base->duplicate_and_reown(reown);
 			if (copy) {
 
@@ -949,7 +1117,7 @@ void EditorNode::_dialog_action(String p_file) {
 					//accept->get_cancel()->hide();
 					accept->get_ok()->set_text("I see..");
 					accept->set_text("Couldn't save subscene. Likely dependencies (instances) couldn't be satisfied.");
-					accept->popup_centered(Size2(300,70));;
+					accept->popup_centered_minsize();
 					return;
 				}
 
@@ -967,7 +1135,7 @@ void EditorNode::_dialog_action(String p_file) {
 					//confirmation->get_cancel()->hide();
 					accept->get_ok()->set_text("I see..");
 					accept->set_text("Error saving scene.");
-					accept->popup_centered(Size2(300,70));;
+					accept->popup_centered_minsize();
 					break;
 				}
 		//EditorFileSystem::get_singleton()->update_file(p_file,sdata->get_type());
@@ -978,7 +1146,7 @@ void EditorNode::_dialog_action(String p_file) {
 				//confirmation->get_cancel()->hide();
 				accept->get_ok()->set_text("I see..");
 				accept->set_text("Error duplicating scene to save it.");
-				accept->popup_centered(Size2(300,70));;
+				accept->popup_centered_minsize();
 				break;
 
 			}
@@ -992,7 +1160,9 @@ void EditorNode::_dialog_action(String p_file) {
 
 			if (file->get_mode()==FileDialog::MODE_SAVE_FILE) {
 
-				_save_scene(p_file);
+				//_save_scene(p_file);
+				_save_scene_with_preview(p_file);
+
 			}
 
 		} break;
@@ -1000,7 +1170,8 @@ void EditorNode::_dialog_action(String p_file) {
 		case FILE_SAVE_AND_RUN: {
 			if (file->get_mode()==FileDialog::MODE_SAVE_FILE) {
 
-				_save_scene(p_file);
+				//_save_scene(p_file);
+				_save_scene_with_preview(p_file);
 				_run(false);
 			}
 		} break;
@@ -1016,7 +1187,7 @@ void EditorNode::_dialog_action(String p_file) {
 					//accept->get_cancel()->hide();
 					accept->get_ok()->set_text("I see..");
 					accept->set_text("Can't load MeshLibrary for merging!.");
-					accept->popup_centered(Size2(300,70));;
+					accept->popup_centered_minsize();
 					return;
 				}
 
@@ -1026,14 +1197,14 @@ void EditorNode::_dialog_action(String p_file) {
 				ml = Ref<MeshLibrary>( memnew( MeshLibrary ));
 			}
 
-			MeshLibraryEditor::update_library_file(edited_scene,ml,true);
+			MeshLibraryEditor::update_library_file(editor_data.get_edited_scene_root(),ml,true);
 
 			Error err = ResourceSaver::save(p_file,ml);
 			if (err) {
 
 				accept->get_ok()->set_text("I see..");
 				accept->set_text("Error saving MeshLibrary!.");
-				accept->popup_centered(Size2(300,70));;
+				accept->popup_centered_minsize();
 				return;
 			}
 
@@ -1050,7 +1221,7 @@ void EditorNode::_dialog_action(String p_file) {
 					//accept->get_cancel()->hide();
 					accept->get_ok()->set_text("I see..");
 					accept->set_text("Can't load TileSet for merging!.");
-					accept->popup_centered(Size2(300,70));;
+					accept->popup_centered_minsize();
 					return;
 				}
 
@@ -1060,14 +1231,14 @@ void EditorNode::_dialog_action(String p_file) {
 				ml = Ref<TileSet>( memnew( TileSet ));
 			}
 
-			TileSetEditor::update_library_file(edited_scene,ml,true);
+			TileSetEditor::update_library_file(editor_data.get_edited_scene_root(),ml,true);
 
 			Error err = ResourceSaver::save(p_file,ml);
 			if (err) {
 
 				accept->get_ok()->set_text("I see..");
 				accept->set_text("Error saving TileSet!.");
-				accept->popup_centered(Size2(300,70));;
+				accept->popup_centered_minsize();
 				return;
 			}
 		} break;
@@ -1084,7 +1255,7 @@ void EditorNode::_dialog_action(String p_file) {
 				//confirmation->get_cancel()->hide();
 				accept->get_ok()->set_text("I see..");
 				accept->set_text("Can't open export templates zip.");
-				accept->popup_centered(Size2(300,70));;
+				accept->popup_centered_minsize();
 				return;
 
 			}
@@ -1153,7 +1324,8 @@ void EditorNode::_dialog_action(String p_file) {
 			
 			if (file->get_mode()==FileDialog::MODE_SAVE_FILE) {
 
-				_save_scene(p_file);
+				//_save_scene(p_file);
+				_save_scene_with_preview(p_file);
 			}
 			
 		} break;
@@ -1200,15 +1372,15 @@ void EditorNode::_property_editor_back() {
 
 void EditorNode::_imported(Node *p_node) {
 
-	Node *scene = edited_scene;
-	set_edited_scene(p_node);
-
+	Node *scene = editor_data.get_edited_scene_root();
+//	add_edited_scene(p_node);
+/*
 	if (scene) {
 		String path = scene->get_filename();
 		p_node->set_filename(path);
 		memdelete(scene);
 	}
-
+*/
 
 
 }
@@ -1252,7 +1424,7 @@ void EditorNode::_edit_current() {
 		object_menu->set_disabled(false);
 
 		resources_dock->add_resource(Ref<Resource>(current_res));
-		top_pallete->set_current_tab(1);
+		//top_pallete->set_current_tab(1);
 	}
 
 
@@ -1269,7 +1441,7 @@ void EditorNode::_edit_current() {
 		scene_tree_dock->set_selected(current_node);
 		object_menu->get_popup()->clear();
 
-		top_pallete->set_current_tab(0);
+		//top_pallete->set_current_tab(0);
 
 	}
 
@@ -1283,17 +1455,22 @@ void EditorNode::_edit_current() {
 		if (main_plugin!=editor_plugin_screen) {
 
 			// update screen main_plugin
-			if (editor_plugin_screen)
-				editor_plugin_screen->make_visible(false);
-			editor_plugin_screen=main_plugin;
-			editor_plugin_screen->edit(current_obj);
-			editor_plugin_screen->make_visible(true);
 
+			if (!changing_scene) {
 
-			for(int i=0;i<editor_table.size();i++) {
-				if (editor_table[i]==main_plugin) {
-					main_editor_tabs->set_current_tab(i);
-					break;
+				if (editor_plugin_screen)
+					editor_plugin_screen->make_visible(false);
+				editor_plugin_screen=main_plugin;
+				editor_plugin_screen->edit(current_obj);
+
+				editor_plugin_screen->make_visible(true);
+
+
+				for(int i=0;i<editor_table.size();i++) {
+					if (editor_table[i]==main_plugin) {
+						main_editor_tabs->set_current_tab(i);
+						break;
+					}
 				}
 			}
 
@@ -1393,7 +1570,7 @@ void EditorNode::_run(bool p_current,const String& p_custom) {
 	}
 
 	play_button->set_pressed(false);
-	pause_button->set_pressed(false);
+	//pause_button->set_pressed(false);
 	play_scene_button->set_pressed(false);
 
 	String current_filename;
@@ -1402,10 +1579,10 @@ void EditorNode::_run(bool p_current,const String& p_custom) {
 
 
 
-	if (p_current || (edited_scene && p_custom==edited_scene->get_filename())) {
+	if (p_current || (editor_data.get_edited_scene_root() && p_custom==editor_data.get_edited_scene_root()->get_filename())) {
 
 
-		Node *scene = edited_scene;
+		Node *scene = editor_data.get_edited_scene_root();
 
 		if (!scene) {
 
@@ -1413,7 +1590,7 @@ void EditorNode::_run(bool p_current,const String& p_custom) {
 			//accept->get_cancel()->hide();
 			accept->get_ok()->set_text("I see..");
 			accept->set_text("No scene to run exists.");
-			accept->popup_centered(Size2(300,70));;
+			accept->popup_centered_minsize();
 			return;
 		}
 
@@ -1456,7 +1633,7 @@ void EditorNode::_run(bool p_current,const String& p_custom) {
 			//accept->get_cancel()->hide();
 			accept->get_ok()->set_text("I see..");
 			accept->set_text("No main scene has ever been defined.\nSelect one from \"Project Settings\" under the 'application' category.");
-			accept->popup_centered(Size2(300,100));;
+			accept->popup_centered_minsize();
 			return;
 		}
 
@@ -1467,7 +1644,7 @@ void EditorNode::_run(bool p_current,const String& p_custom) {
 
 		if (unsaved_cache) {
 
-			Node *scene = edited_scene;
+			Node *scene = editor_data.get_edited_scene_root();
 
 			if (scene) { //only autosave if there is a scene obviously
 
@@ -1477,11 +1654,12 @@ void EditorNode::_run(bool p_current,const String& p_custom) {
 					//accept->get_cancel()->hide();
 					accept->get_ok()->set_text("I see..");
 					accept->set_text("Current scene was never saved, please save scene before running.");
-					accept->popup_centered(Size2(300,70));;
+					accept->popup_centered_minsize();
 					return;
 				}
 
-				_save_scene(scene->get_filename());
+				//_save_scene(scene->get_filename());
+				_save_scene_with_preview(scene->get_filename());
 			}
 		}
 
@@ -1500,7 +1678,7 @@ void EditorNode::_run(bool p_current,const String& p_custom) {
 		//confirmation->get_cancel()->hide();
 		accept->get_ok()->set_text("I see..");
 		accept->set_text("Could not start subprocess!");
-		accept->popup_centered(Size2(300,70));;
+		accept->popup_centered_minsize();
 		return;
 
 	}
@@ -1518,8 +1696,8 @@ void EditorNode::_run(bool p_current,const String& p_custom) {
 
 void EditorNode::_cleanup_scene() {
 
-
-	Node *scene = edited_scene;
+#if 0
+	Node *scene = editor_data.get_edited_scene_root();
 	editor_selection->clear();
 	editor_data.clear_editor_states();
 	editor_history.clear();
@@ -1528,7 +1706,7 @@ void EditorNode::_cleanup_scene() {
 	property_editor->edit(NULL);
 	resources_dock->cleanup();
 	scene_import_metadata.unref();
-	set_edited_scene(NULL);
+	//set_edited_scene(NULL);
 	if (scene) {
 		if (scene->get_filename()!="") {
 			previous_scenes.push_back(scene->get_filename());
@@ -1554,27 +1732,33 @@ void EditorNode::_cleanup_scene() {
 	}
 	
 	_update_title();
-
+#endif
 }
 
 void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 	
-	current_option=(MenuOptions)p_option;
+	//print_line("option "+itos(p_option)+" confirm "+itos(p_confirmed));
+	if (!p_confirmed) //this may be a hack..
+		current_option=(MenuOptions)p_option;
 
 
 	switch( p_option ) {
 		case FILE_NEW_SCENE: {
 
+			/*
 			if (!p_confirmed) {
 				confirmation->get_ok()->set_text("Yes");
 				//confirmation->get_cancel()->show();
 				confirmation->set_text("Start a New Scene? (Current will be lost)");
-				confirmation->popup_centered(Size2(300,70));
+				confirmation->popup_centered_minsize();
 				break;
-			}
+			}*/
+
 
+			int idx = editor_data.add_edited_scene(-1);
+			_scene_tab_changed(idx);
 
-			_cleanup_scene();
+			//_cleanup_scene();
 
 			
 		} break;
@@ -1582,7 +1766,7 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 			
 			
 			//print_tree();
-			file->set_mode(FileDialog::MODE_OPEN_FILE);
+			file->set_mode(EditorFileDialog::MODE_OPEN_FILE);
 			//not for now?
 			List<String> extensions;
 			ResourceLoader::get_recognized_extensions_for_type("PackedScene",&extensions);
@@ -1594,7 +1778,7 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 			
 
 			//file->set_current_path(current_path);
-			Node *scene = edited_scene;
+			Node *scene = editor_data.get_edited_scene_root();
 			if (scene) {
 				file->set_current_path(scene->get_filename());
 			};
@@ -1627,20 +1811,36 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 			open_request(previous_scenes.back()->get());
 
 		} break;
+		case FILE_CLOSE: {
+
+			if (!p_confirmed) {
+				confirmation->get_ok()->set_text("Yes");
+				//confirmation->get_cancel()->show();
+				confirmation->set_text("Close scene? (Unsaved changes will be lost)");
+				confirmation->popup_centered_minsize();
+				break;
+			}
+
+			_remove_edited_scene();
+
+
+
+		} break;
 		case FILE_SAVE_SCENE: {
 
 
-			Node *scene = edited_scene;
+			Node *scene = editor_data.get_edited_scene_root();
 			if (scene && scene->get_filename()!="") {
 
-				_save_scene(scene->get_filename());
+				//_save_scene(scene->get_filename());
+				_save_scene_with_preview(scene->get_filename());
 				return;
 			};
 			// fallthrough to save_as
 		};
 		case FILE_SAVE_AS_SCENE: {
 			
-			Node *scene = edited_scene;
+			Node *scene = editor_data.get_edited_scene_root();
 			
 			if (!scene) {
 				
@@ -1648,11 +1848,11 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 				//confirmation->get_cancel()->hide();
 				accept->get_ok()->set_text("I see..");
 				accept->set_text("This operation can't be done without a tree root.");
-				accept->popup_centered(Size2(300,70));;
+				accept->popup_centered_minsize();
 				break;				
 			}
 			
-			file->set_mode(FileDialog::MODE_SAVE_FILE);
+			file->set_mode(EditorFileDialog::MODE_SAVE_FILE);
 			bool relpaths = (scene->has_meta("__editor_relpaths__") && scene->get_meta("__editor_relpaths__").operator bool());
 
 
@@ -1692,7 +1892,7 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 			if (!p_confirmed) {
 				accept->get_ok()->set_text("Yes");
 				accept->set_text("This scene has never been saved. Save before running?");
-				accept->popup_centered(Size2(300, 70));
+				accept->popup_centered_minsize();
 				break;
 			}
 
@@ -1702,7 +1902,7 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 
 		case FILE_DUMP_STRINGS: {
 
-			Node *scene = edited_scene;
+			Node *scene = editor_data.get_edited_scene_root();
 
 			if (!scene) {
 
@@ -1710,7 +1910,7 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 				//confirmation->get_cancel()->hide();
 				accept->get_ok()->set_text("I see..");
 				accept->set_text("This operation can't be done without a tree root.");
-				accept->popup_centered(Size2(300,70));;
+				accept->popup_centered_minsize();
 				break;
 			}
 
@@ -1728,14 +1928,14 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 				//confirmation->get_cancel()->hide();
 				accept->get_ok()->set_text("I see..");
 				accept->set_text("Please save the scene first.");
-				accept->popup_centered(Size2(300,70));;
+				accept->popup_centered_minsize();
 				break;
 
 			}
 
 			bool relpaths = (scene->has_meta("__editor_relpaths__") && scene->get_meta("__editor_relpaths__").operator bool());
 
-			file->set_mode(FileDialog::MODE_SAVE_FILE);
+			file->set_mode(EditorFileDialog::MODE_SAVE_FILE);
 
 			file->set_current_path(cpath);
 			file->set_title("Save Translatable Strings");
@@ -1746,7 +1946,7 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 
 		case FILE_SAVE_SUBSCENE: {
 
-			Node *scene = edited_scene;
+			Node *scene = editor_data.get_edited_scene_root();
 
 			if (!scene) {
 
@@ -1754,7 +1954,7 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 				//confirmation->get_cancel()->hide();
 				accept->get_ok()->set_text("I see..");
 				accept->set_text("This operation can't be done without a scene.");
-				accept->popup_centered(Size2(300,70));;
+				accept->popup_centered_minsize();
 				break;
 			}
 
@@ -1767,24 +1967,24 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 				//confirmation->get_cancel()->hide();
 				accept->get_ok()->set_text("I see..");
 				accept->set_text("This operation requieres a single selected node.");
-				accept->popup_centered(Size2(300,70));;
+				accept->popup_centered_minsize();
 				break;
 			}
 
 			Node *tocopy = selection.front()->get();
 
-			if (tocopy!=edited_scene && tocopy->get_filename()!="") {
+			if (tocopy!=editor_data.get_edited_scene_root() && tocopy->get_filename()!="") {
 
 
 				current_option=-1;
 				//confirmation->get_cancel()->hide();
 				accept->get_ok()->set_text("I see..");
 				accept->set_text("This operation can't be done on instanced scenes.");
-				accept->popup_centered(Size2(300,70));;
+				accept->popup_centered_minsize();
 				break;
 			}
 
-			file->set_mode(FileDialog::MODE_SAVE_FILE);
+			file->set_mode(EditorFileDialog::MODE_SAVE_FILE);
 
 			List<String> extensions;
 			Ref<PackedScene> sd = memnew( PackedScene );
@@ -1807,7 +2007,7 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 			file->set_title("Save Sub-Scene As..");
 		} break;
 		case FILE_SAVE_OPTIMIZED: {
-			Node *scene = edited_scene;
+			Node *scene = editor_data.get_edited_scene_root();
 #if 0
 			if (!scene) {
 
@@ -1869,13 +2069,13 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 
 		case FILE_EXPORT_MESH_LIBRARY: {
 
-			if (!edited_scene) {
+			if (!editor_data.get_edited_scene_root()) {
 
 				current_option=-1;
 				//confirmation->get_cancel()->hide();
 				accept->get_ok()->set_text("I see..");
 				accept->set_text("This operation can't be done without a scene.");
-				accept->popup_centered(Size2(300,70));;
+				accept->popup_centered_minsize();
 				break;
 			}
 
@@ -1914,13 +2114,13 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 
 			//import_subscene->popup_centered_ratio();
 
-			if (!edited_scene) {
+			if (!editor_data.get_edited_scene_root()) {
 
 				current_option=-1;
 				//accept->get_cancel()->hide();
 				accept->get_ok()->set_text("I see..");
 				accept->set_text("This operation can't be done without a selected node.");
-				accept->popup_centered(Size2(300,70));;
+				accept->popup_centered_minsize();
 				break;
 			}
 
@@ -1930,14 +2130,17 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 
 		case FILE_QUIT: {
 			
+
 			if (!p_confirmed) {
+
 				confirmation->get_ok()->set_text("Quit");
 				//confirmation->get_cancel()->show();
 				confirmation->set_text("Exit the Editor?");
-				confirmation->popup_centered(Size2(300,70));
+				confirmation->popup_centered(Size2(180,70));
 				break;
 			}
 
+
 			_menu_option_confirm(RUN_STOP,true);
 			get_tree()->quit();
 				
@@ -1949,7 +2152,7 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 				confirmation->get_ok()->set_text("Open");
 				//confirmation->get_cancel()->show();
 				confirmation->set_text("Current scene not saved. Open anyway?");
-				confirmation->popup_centered(Size2(300,70));
+				confirmation->popup_centered_minsize();
 				break;
 
 			}
@@ -1996,7 +2199,7 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 			if (unsaved_cache && !p_confirmed) {
 				confirmation->get_ok()->set_text("Revert");
 				confirmation->set_text("This action cannot be undone. Revert anyway?");
-				confirmation->popup_centered(Size2(300,70));
+				confirmation->popup_centered_minsize();
 				break;
 			}
 
@@ -2116,7 +2319,7 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 			}
 
 			editor_data.get_undo_redo().clear_history();
-			if (editor_plugin_screen) { //reload editor plugin
+			if (editor_plugin_over) { //reload editor plugin
 				editor_plugin_over->edit(NULL);
 				editor_plugin_over->edit(current);
 			}
@@ -2152,7 +2355,7 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 			editor_run.stop();
 			play_button->set_pressed(false);
 			play_scene_button->set_pressed(false);
-			pause_button->set_pressed(false);
+			//pause_button->set_pressed(false);
 			emit_signal("stop_pressed");
 
 		} break;
@@ -2174,7 +2377,7 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 			if (!p_confirmed) {
 				confirmation->get_ok()->set_text("Yes");
 				confirmation->set_text("Open Project Manager? \n(Unsaved changes will be lost)");
-				confirmation->popup_centered(Size2(300,70));
+				confirmation->popup_centered_minsize();
 				break;
 			}
 
@@ -2437,30 +2640,54 @@ void EditorNode::remove_editor_import_plugin(const Ref<EditorImportPlugin>& p_ed
 	_rebuild_import_menu();
 }
 
+void EditorNode::_remove_edited_scene() {
+	int new_index = editor_data.get_edited_scene();
+	int old_index=new_index;
 
+	if (new_index>0) {
+		new_index=new_index-1;
+	} else if (editor_data.get_edited_scene_count()>1) {
+		new_index=1;
+	} else {
+		editor_data.add_edited_scene(-1);
+		new_index=1;
+	}
+
+	_scene_tab_changed(new_index);
+	editor_data.remove_scene(old_index);
+	editor_data.get_undo_redo().clear_history();
+	_update_title();
+	_update_scene_tabs();
+
+	if (editor_data.get_edited_scene_count()==1) {
+		//make new scene appear saved
+		set_current_version(editor_data.get_undo_redo().get_version());
+		unsaved_cache=false;
+	}
+}
 void EditorNode::set_edited_scene(Node *p_scene) {
 
-	if (edited_scene) {
-		if (edited_scene->get_parent()==scene_root)
-			scene_root->remove_child(edited_scene);
+	if (get_editor_data().get_edited_scene_root()) {
+		if (get_editor_data().get_edited_scene_root()->get_parent()==scene_root)
+			scene_root->remove_child(get_editor_data().get_edited_scene_root());
 		animation_editor->set_root(NULL);
 	}	
-	edited_scene=p_scene;
-	if (edited_scene && edited_scene->cast_to<Popup>())
-		edited_scene->cast_to<Popup>()->show(); //show popups
-	scene_tree_dock->set_edited_scene(edited_scene);
+	get_editor_data().set_edited_scene_root(p_scene);
+	
+	if (p_scene && p_scene->cast_to<Popup>())
+		p_scene->cast_to<Popup>()->show(); //show popups
+	scene_tree_dock->set_edited_scene(p_scene);
 	if (get_tree())
-		get_tree()->set_edited_scene_root(edited_scene);
+		get_tree()->set_edited_scene_root(p_scene);
 
-	if (edited_scene) {
+	if (p_scene) {
 		if (p_scene->get_parent()!=scene_root)
 			scene_root->add_child(p_scene);
 		animation_editor->set_root(p_scene);
 	}
-
-
 }
 
+
 void EditorNode::_fetch_translatable_strings(const Object *p_object,Set<StringName>& strings) {
 
 
@@ -2512,7 +2739,7 @@ Error EditorNode::save_translatable_strings(const String& p_to_file) {
 	OS::Time time = OS::get_singleton()->get_time();
 	f->store_line("# Translation Strings Dump.");
 	f->store_line("# Created By.");
-	f->store_line("# \t"VERSION_FULL_NAME" (c) 2008-2014 Juan Linietsky, Ariel Manzur.");
+	f->store_line("# \t"VERSION_FULL_NAME" (c) 2008-2015 Juan Linietsky, Ariel Manzur.");
 	f->store_line("# From Scene: ");
 	f->store_line("# \t"+get_edited_scene()->get_filename());
 	f->store_line("");
@@ -2627,7 +2854,7 @@ Error EditorNode::save_optimized_copy(const String& p_scene,const String& p_pres
 		}
 	}
 
-	ERR_EXPLAIN("Preset '"+p_preset+"' references unexisting saver: "+type);
+	ERR_EXPLAIN("Preset '"+p_preset+"' references nonexistent saver: "+type);
 	ERR_FAIL_COND_V(saver.is_null(),ERR_INVALID_DATA);
 
 	List<Variant> keys;
@@ -2686,6 +2913,115 @@ Error EditorNode::save_optimized_copy(const String& p_scene,const String& p_pres
 	return OK;
 }
 
+
+Dictionary EditorNode::_get_main_scene_state() {
+
+	Dictionary state;
+	state["main_tab"]=main_editor_tabs->get_current_tab();
+	state["scene_tree_offset"]=scene_tree_dock->get_tree_editor()->get_scene_tree()->get_vscroll_bar()->get_val();
+	state["property_edit_offset"]=get_property_editor()->get_scene_tree()->get_vscroll_bar()->get_val();
+	state["saved_version"]=saved_version;
+	//print_line(" getting main tab: "+itos(state["main_tab"]));
+	return state;
+}
+
+void EditorNode::_set_main_scene_state(Dictionary p_state) {
+
+	//print_line("set current 7 ");
+
+	if (p_state.has("main_tab")) {
+		int idx = p_state["main_tab"];
+		int current=-1;
+		for(int i=0;i<editor_table.size();i++) {
+			if (editor_plugin_screen==editor_table[i]) {
+				current=i;
+				break;
+			}
+		}
+
+		if (idx<2 && current<2) {
+			//only set tab for 2D and 3D
+			_editor_select(p_state["main_tab"]);
+			//print_line(" setting main tab: "+itos(p_state["main_tab"]));
+		}
+	}
+
+	if (p_state.has("scene_tree_offset"))
+		scene_tree_dock->get_tree_editor()->get_scene_tree()->get_vscroll_bar()->set_val(p_state["scene_tree_offset"]);
+	if (p_state.has("property_edit_offset"))
+		get_property_editor()->get_scene_tree()->get_vscroll_bar()->set_val(p_state["property_edit_offset"]);
+
+	//print_line("set current 8 ");
+
+
+}
+
+void EditorNode::set_current_version(uint64_t p_version) {
+
+	saved_version=p_version;
+	editor_data.set_edited_scene_version(p_version);
+}
+
+bool EditorNode::is_changing_scene() const {
+	return changing_scene;
+}
+void EditorNode::set_current_scene(int p_idx) {
+
+	changing_scene=true;
+	editor_data.save_edited_scene_state(editor_selection,&editor_history,_get_main_scene_state());
+
+	if (get_editor_data().get_edited_scene_root()) {
+		if (get_editor_data().get_edited_scene_root()->get_parent()==scene_root)
+			scene_root->remove_child(get_editor_data().get_edited_scene_root());
+		animation_editor->set_root(NULL);
+	}
+
+	//print_line("set current 2 ");
+
+	editor_selection->clear();
+	editor_data.set_edited_scene(p_idx);
+
+	Node* new_scene = editor_data.get_edited_scene_root();
+
+	if (new_scene && new_scene->cast_to<Popup>())
+		new_scene->cast_to<Popup>()->show(); //show popups
+
+	//print_line("set current 3 ");
+
+	scene_tree_dock->set_edited_scene(new_scene);
+	if (get_tree())
+		get_tree()->set_edited_scene_root(new_scene);
+
+	if (new_scene) {
+		if (new_scene->get_parent()!=scene_root)
+			scene_root->add_child(new_scene);
+		animation_editor->set_root(new_scene);
+	}
+	//print_line("set current 4 ");
+
+
+	Dictionary state = editor_data.restore_edited_scene_state(editor_selection,&editor_history);
+	_edit_current();
+
+	/*if (!unsaved) {
+		saved_version=editor_data.get_undo_redo().get_version();
+		if (p_backwards)
+			saved_version--;
+		else
+			saved_version++;
+		print_line("was saved, updating version");
+	} else {
+		saved_version=state["saved_version"];
+	}*/
+	//_set_main_scene_state(state);
+
+	call_deferred("_set_main_scene_state",state); //do after everything else is done setting up
+	//print_line("set current 6 ");
+	changing_scene=false;
+
+
+}
+
 Error EditorNode::load_scene(const String& p_scene) {
 
 	if (!is_inside_tree()) {
@@ -2694,6 +3030,14 @@ Error EditorNode::load_scene(const String& p_scene) {
 	}
 
 
+	for(int i=0;i<editor_data.get_edited_scene_count();i++) {
+
+		if (editor_data.get_scene_path(i)==p_scene) {
+			_scene_tab_changed(i);
+			return OK;
+		}
+	}
+
 
 	load_errors->clear();
 	String lpath = Globals::get_singleton()->localize_path(p_scene);
@@ -2704,38 +3048,66 @@ Error EditorNode::load_scene(const String& p_scene) {
 		//accept->get_cancel()->hide();
 		accept->get_ok()->set_text("Ugh");
 		accept->set_text("Error loading scene, it must be inside the project path. Use 'Import' to open the scene, then save it inside the project path.");
-		accept->popup_centered(Size2(300,120));
+		accept->popup_centered_minsize();
 		opening_prev=false;
 		return ERR_FILE_NOT_FOUND;
 	}
 
-	_cleanup_scene(); // i'm sorry but this MUST happen to avoid modified resources to not be reloaded.
+	int prev = editor_data.get_edited_scene();
+	int idx = editor_data.add_edited_scene(-1);
+	//print_line("load scene callback");
+	//set_current_scene(idx);
+
+	if (!editor_data.get_edited_scene_root() && editor_data.get_edited_scene_count()==2) {
+		_remove_edited_scene();
+	} else {
+		_scene_tab_changed(idx);
+	}
+
+
 
-	Ref<PackedScene> sdata = ResourceLoader::load(lpath);
+	//_cleanup_scene(); // i'm sorry but this MUST happen to avoid modified resources to not be reloaded.
+
+	Ref<PackedScene> sdata = ResourceLoader::load(lpath,"",true);
 	if (!sdata.is_valid()) {
 
 		current_option=-1;
 		//accept->get_cancel()->hide();
 		accept->get_ok()->set_text("Ugh");
 		accept->set_text("Error loading scene.");
-		accept->popup_centered(Size2(300,70));;
+		accept->popup_centered_minsize();
 		opening_prev=false;
+
+		if (prev!=-1) {
+			set_current_scene(prev);
+			editor_data.remove_scene(idx);
+		}
 		return ERR_FILE_NOT_FOUND;
 	}
 
+	sdata->set_path(lpath,true); //take over path
+
 	Node*new_scene=sdata->instance(true);
 
 	if (!new_scene) {
 
+		sdata.unref();
 		current_option=-1;
 		//accept->get_cancel()->hide();
 		accept->get_ok()->set_text("Ugh");
 		accept->set_text("Error loading scene.");
-		accept->popup_centered(Size2(300,70));;
+		accept->popup_centered_minsize();
 		opening_prev=false;
+		if (prev!=-1) {
+			set_current_scene(prev);
+			editor_data.remove_scene(idx);
+		}
 		return ERR_FILE_NOT_FOUND;
 	}
 
+	//guess not needed in the end?
+	//new_scene->clear_internal_tree_resource_paths(); //make sure no internal tree paths to internal resources exist
+
 	/*
 	Node *old_scene = edited_scene;
 	_hide_top_editors();
@@ -2748,16 +3120,23 @@ Error EditorNode::load_scene(const String& p_scene) {
 		memdelete(old_scene);
 	}
 */
+
 	set_edited_scene(new_scene);
 	_get_scene_metadata();
+	/*
+	editor_data.set_edited_scene_root(new_scene);
+
 	scene_tree_dock->set_selected(new_scene, true);
 	property_editor->edit(new_scene);
-	scene_import_metadata = sdata->get_import_metadata();
+	editor_data.set_edited_scene_root(new_scene);
+*/
+	editor_data.set_edited_scene_import_metadata( sdata->get_import_metadata() );
 
-	editor_data.get_undo_redo().clear_history();
+
+//	editor_data.get_undo_redo().clear_history();
 	saved_version=editor_data.get_undo_redo().get_version();
 	_update_title();
-
+	_update_scene_tabs();
 	_add_to_recent_scenes(lpath);
 
 	if (new_scene->has_meta("__editor_plugin_screen__")) {
@@ -2776,7 +3155,7 @@ Error EditorNode::load_scene(const String& p_scene) {
 	prev_scene->set_disabled(previous_scenes.size()==0);
 	opening_prev=false;
 
-	top_pallete->set_current_tab(0); //always go to scene
+	//top_pallete->set_current_tab(0); //always go to scene
 
 	push_item(new_scene);
 
@@ -2787,8 +3166,9 @@ Error EditorNode::load_scene(const String& p_scene) {
 
 void EditorNode::open_request(const String& p_path) {
 
-	external_file=p_path;
-	_menu_option_confirm(FILE_EXTERNAL_OPEN_SCENE,false);
+	load_scene(p_path); // as it will be opened in separate tab
+	//external_file=p_path;
+	//_menu_option_confirm(FILE_EXTERNAL_OPEN_SCENE,false);
 }
 
 
@@ -2809,9 +3189,9 @@ void EditorNode::_instance_request(const String& p_path){
 	request_instance_scene(p_path);
 }
 
-void EditorNode::_property_keyed(const String& p_keyed,const Variant& p_value) {
+void EditorNode::_property_keyed(const String& p_keyed,const Variant& p_value,bool p_advance) {
 
-	animation_editor->insert_value_key(p_keyed,p_value);
+	animation_editor->insert_value_key(p_keyed,p_value,p_advance);
 }
 
 void EditorNode::_transform_keyed(Object *sp,const String& p_sub,const Transform& p_key) {
@@ -2849,15 +3229,15 @@ void EditorNode::_update_keying() {
 void EditorNode::_close_messages() {
 
 //	left_split->set_dragger_visible(false);
-	old_split_ofs = left_split->get_split_offset();
-	left_split->set_split_offset(0);
+	old_split_ofs = center_split->get_split_offset();
+	center_split->set_split_offset(0);
 //	scene_root_parent->set_anchor_and_margin(MARGIN_BOTTOM,Control::ANCHOR_END,0);
 }
 
 void EditorNode::_show_messages() {
 
 //	left_split->set_dragger_visible(true);
-	left_split->set_split_offset(old_split_ofs);
+	center_split->set_split_offset(old_split_ofs);
 //	scene_root_parent->set_anchor_and_margin(MARGIN_BOTTOM,Control::ANCHOR_END,log->get_margin(MARGIN_TOP));
 
 }
@@ -2926,15 +3306,16 @@ void EditorNode::_open_recent_scene(int p_idx) {
 
 	String path = "res://"+rc[p_idx];
 
-	if (unsaved_cache) {
+
+	/*if (unsaved_cache) {
 		_recent_scene=rc[p_idx];
 		open_recent_confirmation->set_text("Discard current scene and open:\n'"+rc[p_idx]+"'");
 		open_recent_confirmation->get_label()->set_align(Label::ALIGN_CENTER);
 		open_recent_confirmation->popup_centered(Size2(400,100));
 		return;
-	}
+	}*/
 
-	load_scene(rc[p_idx]);
+	load_scene(path);
 
 
 }
@@ -2978,12 +3359,6 @@ void EditorNode::_save_optimized() {
 #endif
 }
 
-void EditorNode::_open_recent_scene_confirm() {
-
-	load_scene(_recent_scene);
-
-}
-
 void EditorNode::_update_recent_scenes() {
 
 	String base="_"+Globals::get_singleton()->get_resource_path().replace("\\","::").replace("/","::");
@@ -3023,7 +3398,7 @@ void EditorNode::notify_child_process_exited() {
 
 	play_button->set_pressed(false);
 	play_scene_button->set_pressed(false);
-	pause_button->set_pressed(false);
+	//pause_button->set_pressed(false);
 	stop_button->set_pressed(false);
 	editor_run.stop();
 
@@ -3103,6 +3478,8 @@ void EditorNode::register_editor_types() {
 	ObjectTypeDB::register_type<EditorImportPlugin>();
 	ObjectTypeDB::register_type<EditorScenePostImport>();
 	ObjectTypeDB::register_type<EditorScript>();
+	ObjectTypeDB::register_type<EditorFileDialog>();
+	ObjectTypeDB::register_type<UndoRedo>();
 
 
 	//ObjectTypeDB::register_type<EditorImporter>();
@@ -3192,7 +3569,7 @@ void EditorNode::_bind_methods() {
 	//ObjectTypeDB::bind_method("_import",&EditorNode::_import);
 //	ObjectTypeDB::bind_method("_import_conflicts_solved",&EditorNode::_import_conflicts_solved);
 	ObjectTypeDB::bind_method("_open_recent_scene",&EditorNode::_open_recent_scene);
-	ObjectTypeDB::bind_method("_open_recent_scene_confirm",&EditorNode::_open_recent_scene_confirm);
+//	ObjectTypeDB::bind_method("_open_recent_scene_confirm",&EditorNode::_open_recent_scene_confirm);
 
 	ObjectTypeDB::bind_method("_save_optimized",&EditorNode::_save_optimized);
 	ObjectTypeDB::bind_method(_MD("animation_panel_make_visible","enable"),&EditorNode::animation_panel_make_visible);
@@ -3201,6 +3578,23 @@ void EditorNode::_bind_methods() {
 
 	ObjectTypeDB::bind_method("_sources_changed",&EditorNode::_sources_changed);
 	ObjectTypeDB::bind_method("_fs_changed",&EditorNode::_fs_changed);
+	ObjectTypeDB::bind_method("_dock_select_draw",&EditorNode::_dock_select_draw);
+	ObjectTypeDB::bind_method("_dock_select_input",&EditorNode::_dock_select_input);
+	ObjectTypeDB::bind_method("_dock_pre_popup",&EditorNode::_dock_pre_popup);
+	ObjectTypeDB::bind_method("_dock_split_dragged",&EditorNode::_dock_split_dragged);
+	ObjectTypeDB::bind_method("_save_docks",&EditorNode::_save_docks);
+	ObjectTypeDB::bind_method("_dock_popup_exit",&EditorNode::_dock_popup_exit);
+	ObjectTypeDB::bind_method("_dock_move_left",&EditorNode::_dock_move_left);
+	ObjectTypeDB::bind_method("_dock_move_right",&EditorNode::_dock_move_right);
+
+	ObjectTypeDB::bind_method("set_current_scene",&EditorNode::set_current_scene);
+	ObjectTypeDB::bind_method("set_current_version",&EditorNode::set_current_version);
+	ObjectTypeDB::bind_method("_scene_tab_changed",&EditorNode::_scene_tab_changed);
+	ObjectTypeDB::bind_method("_scene_tab_script_edited",&EditorNode::_scene_tab_script_edited);
+	ObjectTypeDB::bind_method("_set_main_scene_state",&EditorNode::_set_main_scene_state);
+	ObjectTypeDB::bind_method("_update_scene_tabs",&EditorNode::_update_scene_tabs);
+
+
 
 	ObjectTypeDB::bind_method(_MD("add_editor_import_plugin", "plugin"), &EditorNode::add_editor_import_plugin);
 	ObjectTypeDB::bind_method(_MD("remove_editor_import_plugin", "plugin"), &EditorNode::remove_editor_import_plugin);
@@ -3253,6 +3647,16 @@ void EditorNode::_file_dialog_unregister(FileDialog *p_dialog){
 	singleton->file_dialogs.erase(p_dialog);
 }
 
+void EditorNode::_editor_file_dialog_register(EditorFileDialog *p_dialog) {
+
+	singleton->editor_file_dialogs.insert(p_dialog);
+}
+
+void EditorNode::_editor_file_dialog_unregister(EditorFileDialog *p_dialog){
+
+	singleton->editor_file_dialogs.erase(p_dialog);
+}
+
 Vector<EditorNodeInitCallback> EditorNode::_init_callbacks;
 
 Error EditorNode::export_platform(const String& p_platform, const String& p_path, bool p_debug,const String& p_password,bool p_quit_after) {
@@ -3271,12 +3675,409 @@ void EditorNode::show_warning(const String& p_text) {
 	warning->popup_centered_minsize();
 }
 
+void EditorNode::_dock_select_input(const InputEvent& p_input) {
+
+	if (p_input.type==InputEvent::MOUSE_BUTTON || p_input.type==InputEvent::MOUSE_MOTION) {
+
+		Vector2 point(p_input.mouse_motion.x,p_input.mouse_motion.y);
+
+		int nrect = -1;
+		for(int i=0;i<DOCK_SLOT_MAX;i++) {
+			if (dock_select_rect[i].has_point(point)) {
+				nrect=i;
+				break;
+			}
+		}
+
+
+		if (nrect!=dock_select_rect_over) {
+			dock_select->update();
+			dock_select_rect_over=nrect;
+
+		}
+
+
+		if (nrect==-1)
+			return;
+
+		if (p_input.type==InputEvent::MOUSE_BUTTON && p_input.mouse_button.button_index==1 && p_input.mouse_button.pressed && dock_popup_selected!=nrect) {
+			Control *dock = dock_slot[dock_popup_selected]->get_current_tab_control();
+			if (dock) {
+				dock_slot[dock_popup_selected]->remove_child(dock);
+			}
+			if (dock_slot[dock_popup_selected]->get_tab_count()==0) {
+				dock_slot[dock_popup_selected]->hide();
+
+			} else  {
+
+				dock_slot[dock_popup_selected]->set_current_tab(0);
+			}
+
+			print_line("performing reparent");
+			dock_slot[nrect]->add_child(dock);
+			dock_popup_selected=nrect;
+			dock_slot[nrect]->set_current_tab(dock_slot[nrect]->get_tab_count()-1);
+			dock_slot[nrect]->show();
+			dock_select->update();
+
+			VSplitContainer*splits[DOCK_SLOT_MAX/2]={
+				left_l_vsplit,
+				left_r_vsplit,
+				right_l_vsplit,
+				right_r_vsplit,
+			};
+
+			for(int i=0;i<4;i++) {
+				bool in_use = dock_slot[i*2+0]->get_tab_count() || dock_slot[i*2+1]->get_tab_count();
+				if (in_use)
+					splits[i]->show();
+				else
+					splits[i]->hide();
+			}
+
+			_save_docks();
+		}
+	}
+}
+
+void EditorNode::_dock_popup_exit() {
+
+	dock_select_rect_over=-1;
+	dock_select->update();
+}
+
+void EditorNode::_dock_pre_popup(int p_which) {
+	
+
+	dock_popup_selected=p_which;
+}
+
+void EditorNode::_dock_move_left() {
+
+	if (dock_popup_selected<0 || dock_popup_selected>=DOCK_SLOT_MAX)
+		return;
+	Control *current = dock_slot[dock_popup_selected]->get_tab_control( dock_slot[dock_popup_selected]->get_current_tab() );
+	Control *prev = dock_slot[dock_popup_selected]->get_tab_control( dock_slot[dock_popup_selected]->get_current_tab()-1 );
+	if (!current || !prev)
+		return;
+	dock_slot[dock_popup_selected]->move_child(current,prev->get_index());
+	dock_slot[dock_popup_selected]->set_current_tab( dock_slot[dock_popup_selected]->get_current_tab()-1 );
+	dock_select->update();
+	_save_docks();
+
+
+}
+
+void EditorNode::_dock_move_right() {
+
+	Control *current = dock_slot[dock_popup_selected]->get_tab_control( dock_slot[dock_popup_selected]->get_current_tab() );
+	Control *next = dock_slot[dock_popup_selected]->get_tab_control( dock_slot[dock_popup_selected]->get_current_tab()+1 );
+	if (!current || !next)
+		return;
+	dock_slot[dock_popup_selected]->move_child(next,current->get_index());
+	dock_slot[dock_popup_selected]->set_current_tab( dock_slot[dock_popup_selected]->get_current_tab()+1 );
+	dock_select->update();
+	_save_docks();
+}
+
+void EditorNode::_dock_select_draw(){
+	Size2 s = dock_select->get_size();
+	s.y/=2.0;
+	s.x/=6.0;
+
+	Color used=Color(0.6,0.6,0.6,0.8);
+	Color used_selected=Color(0.8,0.8,0.8,0.8);
+	Color tab_selected=Color(1,1,1,1);
+	Color unused=used;
+	unused.a=0.4;
+	Color unusable=unused;
+	unusable.a=0.1;
+
+	Rect2 unr(s.x*2,0,s.x*2,s.y*2);
+	unr.pos+=Vector2(2,5);
+	unr.size-=Vector2(4,7);
+
+	dock_select->draw_rect(unr,unusable);
+
+	dock_tab_move_left->set_disabled(true);
+	dock_tab_move_right->set_disabled(true);
+
+	if (dock_popup_selected!=-1 && dock_slot[dock_popup_selected]->get_tab_count()) {
+
+		dock_tab_move_left->set_disabled(dock_slot[dock_popup_selected]->get_current_tab()==0);
+		dock_tab_move_right->set_disabled(dock_slot[dock_popup_selected]->get_current_tab()>=dock_slot[dock_popup_selected]->get_tab_count()-1);
+	}
+
+	for(int i=0;i<DOCK_SLOT_MAX;i++) {
+
+		Vector2 ofs;
+
+		switch(i) {
+			case DOCK_SLOT_LEFT_UL: {
+
+			} break;
+			case DOCK_SLOT_LEFT_BL: {
+				ofs.y+=s.y;
+			} break;
+			case DOCK_SLOT_LEFT_UR: {
+				ofs.x+=s.x;
+			} break;
+			case DOCK_SLOT_LEFT_BR: {
+				ofs+=s;
+			} break;
+			case DOCK_SLOT_RIGHT_UL: {
+				ofs.x+=s.x*4;
+			} break;
+			case DOCK_SLOT_RIGHT_BL: {
+				ofs.x+=s.x*4;
+				ofs.y+=s.y;
+
+			} break;
+			case DOCK_SLOT_RIGHT_UR: {
+				ofs.x+=s.x*4;
+				ofs.x+=s.x;
+
+			} break;
+			case DOCK_SLOT_RIGHT_BR: {
+				ofs.x+=s.x*4;
+				ofs+=s;
+
+			} break;
+		}
+
+		Rect2 r(ofs,s);
+		dock_select_rect[i]=r;
+		r.pos+=Vector2(2,5);
+		r.size-=Vector2(4,7);
+
+
+		if (i==dock_select_rect_over) {
+			dock_select->draw_rect(r,used_selected);
+		} else if (dock_slot[i]->get_child_count()==0) {
+			dock_select->draw_rect(r,unused);
+		} else {
+
+			dock_select->draw_rect(r,used);
+		}
+
+		for(int j=0;j<MIN(3,dock_slot[i]->get_child_count());j++) {
+			int xofs = (r.size.width/3)*j;
+			Color c = used;
+			if (i==dock_popup_selected && (dock_slot[i]->get_current_tab()>3 || dock_slot[i]->get_current_tab()==j))
+				c=tab_selected;
+			dock_select->draw_rect(Rect2(2+ofs.x+xofs,ofs.y,r.size.width/3-1,3),c);
+		}
+
+	}
+}
+
+void EditorNode::_save_docks() {
+
+	Ref<ConfigFile> config;
+	config.instance();
+
+	for(int i=0;i<DOCK_SLOT_MAX;i++) {
+		String names;
+		for(int j=0;j<dock_slot[i]->get_tab_count();j++) {
+			String name = dock_slot[i]->get_tab_control(j)->get_name();
+			if (names!="")
+				names+=",";
+			names+=name;
+		}
+
+		if (names!="") {
+			config->set_value("docks","dock_"+itos(i+1),names);
+		}
+	}
+
+	VSplitContainer*splits[DOCK_SLOT_MAX/2]={
+		left_l_vsplit,
+		left_r_vsplit,
+		right_l_vsplit,
+		right_r_vsplit,
+	};
+
+	for(int i=0;i<DOCK_SLOT_MAX/2;i++) {
+
+		if (splits[i]->is_visible()) {
+			config->set_value("docks","dock_split_"+itos(i+1),splits[i]->get_split_offset());
+		}
+	}
+
+
+	HSplitContainer *h_splits[4]={
+		left_l_hsplit,
+		left_r_hsplit,
+		main_hsplit,
+		right_hsplit,
+	};
+
+	for(int i=0;i<4;i++) {
+
+		config->set_value("docks","dock_hsplit_"+itos(i+1),h_splits[i]->get_split_offset());
+	}
+
+	editor_data.get_plugin_window_layout(config);
+
+	config->save(EditorSettings::get_singleton()->get_project_settings_path().plus_file("editor_layout.cfg"));
+
+}
+
+void EditorNode::save_layout() {
+
+	dock_drag_timer->start();
+}
+
+void EditorNode::_dock_split_dragged(int ofs) {
+
+	dock_drag_timer->start();
+}
+
+void EditorNode::_load_docks() {
+
+	Ref<ConfigFile> config;
+	config.instance();
+	Error err = config->load(EditorSettings::get_singleton()->get_project_settings_path().plus_file("editor_layout.cfg"));
+	if (err!=OK) {
+		return; //no config
+	}
+
+	for(int i=0;i<DOCK_SLOT_MAX;i++) {
+
+		if (!config->has_section_key("docks","dock_"+itos(i+1)))
+			continue;
+
+		Vector<String> names = String(config->get_value("docks","dock_"+itos(i+1))).split(",");
+
+		for(int j=0;j<names.size();j++) {
+
+			String name=names[j];
+			//find it, in a horribly inefficient way
+			int atidx=-1;
+			Control *node=NULL;
+			for(int k=0;k<DOCK_SLOT_MAX;k++) {
+				if (!dock_slot[k]->has_node(name))
+					continue;
+				node=dock_slot[k]->get_node(name)->cast_to<Control>();
+				if (!node)
+					continue;
+				atidx=k;
+				break;
+			}
+			if (atidx==-1) //well, it's not anywhere
+				continue;
+
+			if (atidx==j) {
+				node->raise();
+				continue;
+			}
+
+
+			dock_slot[atidx]->remove_child(node);
+
+			if (dock_slot[atidx]->get_tab_count()==0) {
+				dock_slot[atidx]->hide();
+
+			}
+			dock_slot[i]->add_child(node);
+			dock_slot[i]->show();
+		}
+
+	}
+
+	VSplitContainer*splits[DOCK_SLOT_MAX/2]={
+		left_l_vsplit,
+		left_r_vsplit,
+		right_l_vsplit,
+		right_r_vsplit,
+	};
+
+	for(int i=0;i<DOCK_SLOT_MAX/2;i++) {
+
+		if (!config->has_section_key("docks","dock_split_"+itos(i+1)))
+			continue;
+
+		int ofs = config->get_value("docks","dock_split_"+itos(i+1));
+		splits[i]->set_split_offset(ofs);
+	}
+
+	HSplitContainer *h_splits[4]={
+		left_l_hsplit,
+		left_r_hsplit,
+		main_hsplit,
+		right_hsplit,
+	};
+
+	for(int i=0;i<4;i++) {
+		if (!config->has_section_key("docks","dock_hsplit_"+itos(i+1)))
+			continue;
+		int ofs = config->get_value("docks","dock_hsplit_"+itos(i+1));
+		h_splits[i]->set_split_offset(ofs);
+	}
+
+	for(int i=0;i<DOCK_SLOT_MAX/2;i++) {
+		bool in_use = dock_slot[i*2+0]->get_tab_count() || dock_slot[i*2+1]->get_tab_count();
+		if (in_use)
+			splits[i]->show();
+		else
+			splits[i]->hide();
+	}
+
+	for(int i=0;i<DOCK_SLOT_MAX;i++) {
+
+		if (!dock_slot[i]->is_hidden() && dock_slot[i]->get_tab_count()) {
+			dock_slot[i]->set_current_tab(0);
+		}
+	}
+
+	editor_data.set_plugin_window_layout(config);
+
+}
+
+
+void EditorNode::_scene_tab_script_edited(int p_tab) {
+
+	Ref<Script> script  = editor_data.get_scene_root_script(p_tab);
+	if (script.is_valid())
+		edit_resource(script);
+}
+
+void EditorNode::_scene_tab_changed(int p_tab) {
+
+
+	//print_line("set current 1 ");
+	bool unsaved = (saved_version!=editor_data.get_undo_redo().get_version());
+	//print_line("version: "+itos(editor_data.get_undo_redo().get_version())+", saved "+itos(saved_version));
+
+	if (p_tab==editor_data.get_edited_scene())
+		return; //pointless
+
+	uint64_t next_scene_version = editor_data.get_scene_version(p_tab);
+
+
+
+	//print_line("scene tab changed???");
+	editor_data.get_undo_redo().create_action("Switch Scene Tab");
+	editor_data.get_undo_redo().add_do_method(this,"set_current_version",unsaved?saved_version:0);
+	editor_data.get_undo_redo().add_do_method(this,"set_current_scene",p_tab);
+	editor_data.get_undo_redo().add_do_method(scene_tabs,"set_current_tab",p_tab);
+	editor_data.get_undo_redo().add_do_method(this,"set_current_version",next_scene_version==0?editor_data.get_undo_redo().get_version()+1:next_scene_version);
+
+	editor_data.get_undo_redo().add_undo_method(this,"set_current_version",next_scene_version);
+	editor_data.get_undo_redo().add_undo_method(this,"set_current_scene",editor_data.get_edited_scene());
+	editor_data.get_undo_redo().add_undo_method(scene_tabs,"set_current_tab",editor_data.get_edited_scene());
+	editor_data.get_undo_redo().add_undo_method(this,"set_current_version",saved_version);
+	editor_data.get_undo_redo().commit_action();
+
+}
 
 EditorNode::EditorNode() {
 
 	EditorHelp::generate_doc(); //before any editor classes are crated
 
 	singleton=this;
+	last_checked_version=0;
+	changing_scene=false;
 
 	FileAccess::set_backup_save(true);
 
@@ -3305,7 +4106,13 @@ EditorNode::EditorNode() {
 	FileDialog::register_func=_file_dialog_register;
 	FileDialog::unregister_func=_file_dialog_unregister;
 
+	EditorFileDialog::get_icon_func=_file_dialog_get_icon;
+	EditorFileDialog::register_func=_editor_file_dialog_register;
+	EditorFileDialog::unregister_func=_editor_file_dialog_unregister;
+
+
 	editor_import_export = memnew( EditorImportExport );
+	add_child(editor_import_export);
 
 	register_exporters();
 
@@ -3328,6 +4135,9 @@ EditorNode::EditorNode() {
 	editor_register_icons(theme);
 	editor_register_fonts(theme);
 
+	//theme->set_icon("folder","EditorFileDialog",Theme::get_default()->get_icon("folder","EditorFileDialog"));
+	//theme->set_color("files_disabled","EditorFileDialog",Color(0,0,0,0.7));
+
 	String global_font = EditorSettings::get_singleton()->get("global/font");
 	if (global_font!="") {
 		Ref<Font> fnt = ResourceLoader::load(global_font);
@@ -3346,6 +4156,8 @@ EditorNode::EditorNode() {
 	theme->set_stylebox("EditorFocus","EditorStyles",focus_sbt);
 
 
+	resource_preview = memnew( EditorResourcePreview );
+	add_child(resource_preview);
 	progress_dialog = memnew( ProgressDialog );
 	gui_base->add_child(progress_dialog);
 
@@ -3353,26 +4165,163 @@ EditorNode::EditorNode() {
 	gui_base->set_anchor( MARGIN_RIGHT, Control::ANCHOR_END );
 	gui_base->set_anchor( MARGIN_BOTTOM, Control::ANCHOR_END );
 	gui_base->set_end( Point2(0,0) );
-	
+
 	main_vbox = memnew( VBoxContainer );
 	gui_base->add_child(main_vbox);
 	main_vbox->set_area_as_parent_rect(8);
 
-	menu_hb = memnew( HBoxContainer );
-	main_vbox->add_child(menu_hb);
+	PanelContainer *top_dark_panel = memnew( PanelContainer );
+	Ref<StyleBoxTexture> top_dark_sb;
+	top_dark_sb.instance();;
+	top_dark_sb->set_texture(theme->get_icon("PanelTop","EditorIcons"));
+	for(int i=0;i<4;i++) {
+		top_dark_sb->set_margin_size(Margin(i),3);
+		top_dark_sb->set_default_margin(Margin(i),0);
+	}
+	top_dark_sb->set_expand_margin_size(MARGIN_LEFT,20);
+	top_dark_sb->set_expand_margin_size(MARGIN_RIGHT,20);
 
-	main_split = memnew( HSplitContainer );
-	main_vbox->add_child(main_split);
-	main_split->set_v_size_flags(Control::SIZE_EXPAND_FILL);
+	top_dark_panel->add_style_override("panel",top_dark_sb);
+	VBoxContainer *top_dark_vb = memnew( VBoxContainer );
+	main_vbox->add_child(top_dark_panel);
+	top_dark_panel->add_child(top_dark_vb);
 
 
-	left_split = memnew( VSplitContainer );
-	main_split->add_child(left_split);
-	left_split->set_h_size_flags(Control::SIZE_EXPAND_FILL);
-	left_split->set_collapsed(false);
+
+
+	menu_hb = memnew( HBoxContainer );
+	top_dark_vb->add_child(menu_hb);
+
+	scene_tabs=memnew( Tabs );
+	scene_tabs->add_tab("unsaved");
+	scene_tabs->set_tab_align(Tabs::ALIGN_CENTER);
+	scene_tabs->connect("tab_changed",this,"_scene_tab_changed");
+	scene_tabs->connect("right_button_pressed",this,"_scene_tab_script_edited");
+	top_dark_vb->add_child(scene_tabs);
+	//left
+	left_l_hsplit = memnew( HSplitContainer );
+	main_vbox->add_child(left_l_hsplit);
+
+	left_l_hsplit->set_v_size_flags(Control::SIZE_EXPAND_FILL);
+
+	left_l_vsplit = memnew( VSplitContainer );
+	left_l_hsplit->add_child(left_l_vsplit);
+	dock_slot[DOCK_SLOT_LEFT_UL]=memnew( TabContainer );
+	left_l_vsplit->add_child(dock_slot[DOCK_SLOT_LEFT_UL]);
+	dock_slot[DOCK_SLOT_LEFT_BL]=memnew( TabContainer );
+	left_l_vsplit->add_child(dock_slot[DOCK_SLOT_LEFT_BL]);
+	left_l_vsplit->hide();
+	dock_slot[DOCK_SLOT_LEFT_UL]->hide();
+	dock_slot[DOCK_SLOT_LEFT_BL]->hide();
+
+	left_r_hsplit = memnew( HSplitContainer );
+	left_l_hsplit->add_child(left_r_hsplit);
+	left_r_vsplit = memnew( VSplitContainer );
+	left_r_hsplit->add_child(left_r_vsplit);
+	dock_slot[DOCK_SLOT_LEFT_UR]=memnew( TabContainer );
+	left_r_vsplit->add_child(dock_slot[DOCK_SLOT_LEFT_UR]);
+	dock_slot[DOCK_SLOT_LEFT_BR]=memnew( TabContainer );
+	left_r_vsplit->add_child(dock_slot[DOCK_SLOT_LEFT_BR]);
+	//left_r_vsplit->hide();
+	//dock_slot[DOCK_SLOT_LEFT_UR]->hide();
+	//dock_slot[DOCK_SLOT_LEFT_BR]->hide();
+
+
+	main_hsplit = memnew( HSplitContainer );
+	left_r_hsplit->add_child(main_hsplit);
+	//main_split->set_v_size_flags(Control::SIZE_EXPAND_FILL);
+
+	center_split = memnew( VSplitContainer );
+	main_hsplit->add_child(center_split);
+	center_split->set_h_size_flags(Control::SIZE_EXPAND_FILL);
+	center_split->set_collapsed(false);
+
+	right_hsplit = memnew( HSplitContainer );
+	main_hsplit->add_child(right_hsplit);
+
+	right_l_vsplit = memnew( VSplitContainer );
+	right_hsplit->add_child(right_l_vsplit);
+	dock_slot[DOCK_SLOT_RIGHT_UL]=memnew( TabContainer );
+	right_l_vsplit->add_child(dock_slot[DOCK_SLOT_RIGHT_UL]);
+	dock_slot[DOCK_SLOT_RIGHT_BL]=memnew( TabContainer );
+	right_l_vsplit->add_child(dock_slot[DOCK_SLOT_RIGHT_BL]);
+
+	right_r_vsplit = memnew( VSplitContainer );
+	right_hsplit->add_child(right_r_vsplit);
+	dock_slot[DOCK_SLOT_RIGHT_UR]=memnew( TabContainer );
+	right_r_vsplit->add_child(dock_slot[DOCK_SLOT_RIGHT_UR]);
+	dock_slot[DOCK_SLOT_RIGHT_BR]=memnew( TabContainer );
+	right_r_vsplit->add_child(dock_slot[DOCK_SLOT_RIGHT_BR]);
+	right_r_vsplit->hide();
+	//dock_slot[DOCK_SLOT_RIGHT_UL]->hide();
+	//dock_slot[DOCK_SLOT_RIGHT_BL]->hide();
+
+	left_l_vsplit->connect("dragged",this,"_dock_split_dragged");
+	left_r_vsplit->connect("dragged",this,"_dock_split_dragged");
+	right_l_vsplit->connect("dragged",this,"_dock_split_dragged");
+	right_r_vsplit->connect("dragged",this,"_dock_split_dragged");
+
+	left_l_hsplit->connect("dragged",this,"_dock_split_dragged");
+	left_r_hsplit->connect("dragged",this,"_dock_split_dragged");
+	main_hsplit->connect("dragged",this,"_dock_split_dragged");
+	right_hsplit->connect("dragged",this,"_dock_split_dragged");
+
+
+
+	dock_select_popoup = memnew( PopupPanel );
+	gui_base->add_child(dock_select_popoup);
+	VBoxContainer *dock_vb = memnew( VBoxContainer );
+	dock_select_popoup->add_child(dock_vb);
+
+	HBoxContainer *dock_hb = memnew( HBoxContainer);
+	dock_tab_move_left = memnew( ToolButton );
+	dock_tab_move_left->set_icon(theme->get_icon("Back","EditorIcons"));
+	dock_tab_move_left->set_focus_mode(Control::FOCUS_NONE);
+	dock_tab_move_left->connect("pressed",this,"_dock_move_left");
+	//dock_tab_move_left->set_h_size_flags(Control::SIZE_EXPAND_FILL);
+	dock_hb->add_child(dock_tab_move_left);
+	dock_hb->add_spacer();
+	dock_tab_move_right = memnew( ToolButton );
+	dock_tab_move_right->set_icon(theme->get_icon("Forward","EditorIcons"));
+	dock_tab_move_right->set_focus_mode(Control::FOCUS_NONE);
+	dock_tab_move_right->connect("pressed",this,"_dock_move_right");
+
+	//dock_tab_move_right->set_h_size_flags(Control::SIZE_EXPAND_FILL);
+	dock_hb->add_child(dock_tab_move_right);
+	dock_vb->add_child(dock_hb);
+
+	dock_select = memnew( Control );
+	dock_select->set_custom_minimum_size(Size2(128,64));
+	dock_select->connect("input_event",this,"_dock_select_input");
+	dock_select->connect("draw",this,"_dock_select_draw");
+	dock_select->connect("mouse_exit",this,"_dock_popup_exit");
+	dock_select->set_v_size_flags(Control::SIZE_EXPAND_FILL);
+	dock_vb->add_child(dock_select);
+
+
+	dock_select_popoup->set_child_rect(dock_vb);
+	dock_select_popoup->set_as_minsize();
+	dock_select_rect_over=-1;
+	dock_popup_selected=-1;
+	//dock_select_popoup->set_(Size2(20,20));
+
+	for(int i=0;i<DOCK_SLOT_MAX;i++) {
+		dock_slot[i]->set_custom_minimum_size(Size2(230,220));
+		dock_slot[i]->set_v_size_flags(Control::SIZE_EXPAND_FILL);
+		dock_slot[i]->set_popup(dock_select_popoup);
+		dock_slot[i]->connect("pre_popup_pressed",this,"_dock_pre_popup",varray(i));
+
+		//dock_slot[i]->set_tab_align(TabContainer::ALIGN_LEFT);
+	}
+
+	dock_drag_timer = memnew( Timer );
+	add_child(dock_drag_timer);
+	dock_drag_timer->set_wait_time(0.5);
+	dock_drag_timer->set_one_shot(true);
+	dock_drag_timer->connect("timeout",this,"_save_docks");
 
 	top_split = memnew( VSplitContainer );
-	left_split->add_child(top_split);
+	center_split->add_child(top_split);
 	top_split->set_v_size_flags(Control::SIZE_EXPAND_FILL);
 	top_split->set_collapsed(true);
 
@@ -3443,6 +4392,7 @@ EditorNode::EditorNode() {
 	animation_panel=pc;
 	animation_panel->hide();
 
+
 	HBoxContainer *animation_hb = memnew( HBoxContainer);
 	animation_vb->add_child(animation_hb);
 
@@ -3491,8 +4441,9 @@ EditorNode::EditorNode() {
 	prev_scene->set_disabled(true);
 	//left_menu_hb->add_child( prev_scene );
 	prev_scene->connect("pressed",this,"_menu_option",make_binds(FILE_OPEN_PREV));
-	//gui_base->add_child(prev_scene);
+	gui_base->add_child(prev_scene);
 	prev_scene->set_pos(Point2(3,24));
+	prev_scene->hide();
 
 
 	Separator *vs=NULL;
@@ -3501,10 +4452,13 @@ EditorNode::EditorNode() {
 	p=file_menu->get_popup();
 	p->add_item("New Scene",FILE_NEW_SCENE);
 	p->add_item("Open Scene..",FILE_OPEN_SCENE,KEY_MASK_CMD+KEY_O);
+	p->add_separator();
 	p->add_item("Save Scene",FILE_SAVE_SCENE,KEY_MASK_CMD+KEY_S);
 	p->add_item("Save Scene As..",FILE_SAVE_AS_SCENE,KEY_MASK_SHIFT+KEY_MASK_CMD+KEY_S);
 	p->add_separator();
-	p->add_item("Goto Prev. Scene",FILE_OPEN_PREV,KEY_MASK_SHIFT+KEY_MASK_CMD+KEY_P);
+	p->add_item("Close Scene",FILE_CLOSE,KEY_MASK_SHIFT+KEY_MASK_CTRL+KEY_W);
+	p->add_separator();
+	p->add_item("Close Goto Prev. Scene",FILE_OPEN_PREV,KEY_MASK_SHIFT+KEY_MASK_CMD+KEY_P);
 	p->add_submenu_item("Open Recent","RecentScenes",FILE_OPEN_RECENT);
 	p->add_separator();
 	p->add_item("Quick Open Scene..",FILE_QUICK_OPEN_SCENE,KEY_MASK_SHIFT+KEY_MASK_CMD+KEY_O);
@@ -3617,14 +4571,14 @@ EditorNode::EditorNode() {
 
 
 
-	pause_button = memnew( ToolButton );
+	/*pause_button = memnew( ToolButton );
 	//menu_panel->add_child(pause_button); - not needed for now?
 	pause_button->set_toggle_mode(true);
 	pause_button->set_icon(gui_base->get_icon("Pause","EditorIcons"));
 	pause_button->set_focus_mode(Control::FOCUS_NONE);
 	pause_button->connect("pressed", this,"_menu_option",make_binds(RUN_PAUSE));
 	pause_button->set_tooltip("Pause the scene (F7).");
-
+*/
 	stop_button = memnew( ToolButton );
 	play_hb->add_child(stop_button);
 	//stop_button->set_toggle_mode(true);
@@ -3641,7 +4595,7 @@ EditorNode::EditorNode() {
 	native_play_button->hide();
 	native_play_button->get_popup()->connect("item_pressed",this,"_run_in_device");
 
-	VSeparator *s1 = memnew( VSeparator );
+//	VSeparator *s1 = memnew( VSeparator );
 //	play_hb->add_child(s1);
 
 	play_scene_button = memnew( ToolButton );
@@ -3677,13 +4631,14 @@ EditorNode::EditorNode() {
 	p->set_item_tooltip(p->get_item_index(RUN_DEPLOY_DUMB_CLIENTS),"Deploy dumb clients when the File Server is active.");
 	p->connect("item_pressed",this,"_menu_option");
 
+	/*
 	run_settings_button = memnew( ToolButton );
 	//menu_hb->add_child(run_settings_button);
 	//run_settings_button->set_toggle_mode(true);
 	run_settings_button->set_focus_mode(Control::FOCUS_NONE);
 	run_settings_button->set_icon(gui_base->get_icon("Run","EditorIcons"));
 	run_settings_button->connect("pressed", this,"_menu_option",make_binds(RUN_SCENE_SETTINGS));
-
+*/
 
 	/*
 	run_settings_button = memnew( ToolButton );
@@ -3737,45 +4692,47 @@ EditorNode::EditorNode() {
 
 
 
-	editor_hsplit = memnew( HSplitContainer );
-	main_split->add_child(editor_hsplit);
-	editor_hsplit->set_v_size_flags(Control::SIZE_EXPAND_FILL);
+	//editor_hsplit = memnew( HSplitContainer );
+	//main_split->add_child(editor_hsplit);
+	//editor_hsplit->set_v_size_flags(Control::SIZE_EXPAND_FILL);
 
-	editor_vsplit = memnew( VSplitContainer );
-	editor_hsplit->add_child(editor_vsplit);
+	//editor_vsplit = memnew( VSplitContainer );
+	//editor_hsplit->add_child(editor_vsplit);
 
-	top_pallete = memnew( TabContainer );
+	//top_pallete = memnew( TabContainer );
 	scene_tree_dock = memnew( SceneTreeDock(this,scene_root,editor_selection,editor_data) );
 	scene_tree_dock->set_name("Scene");
-	top_pallete->add_child(scene_tree_dock);
+	//top_pallete->add_child(scene_tree_dock);
+	dock_slot[DOCK_SLOT_LEFT_UR]->add_child(scene_tree_dock);
 
 	resources_dock = memnew( ResourcesDock(this) );
 	resources_dock->set_name("Resources");
-	top_pallete->add_child(resources_dock);
-	top_pallete->set_v_size_flags(Control::SIZE_EXPAND_FILL);
+	//top_pallete->add_child(resources_dock);
+	dock_slot[DOCK_SLOT_RIGHT_BL]->add_child(resources_dock);
+	//top_pallete->set_v_size_flags(Control::SIZE_EXPAND_FILL);
 
-	Control *editor_spacer = memnew( Control );
+	/*Control *editor_spacer = memnew( Control );
 	editor_spacer->set_custom_minimum_size(Size2(260,200));
 	editor_spacer->set_v_size_flags(Control::SIZE_EXPAND_FILL);
 	editor_vsplit->add_child( editor_spacer );
 	editor_spacer->add_child( top_pallete );
-	top_pallete->set_area_as_parent_rect();
+	top_pallete->set_area_as_parent_rect();*/
 
 
-	prop_pallete = memnew( TabContainer );
+	//prop_pallete = memnew( TabContainer );
 
-	prop_pallete->set_v_size_flags(Control::SIZE_EXPAND_FILL);
+	//prop_pallete->set_v_size_flags(Control::SIZE_EXPAND_FILL);
 
-	editor_spacer = memnew( Control );
+	/*editor_spacer = memnew( Control );
 	editor_spacer->set_custom_minimum_size(Size2(260,200));
 	editor_spacer->set_v_size_flags(Control::SIZE_EXPAND_FILL);
 	editor_vsplit->add_child( editor_spacer );
 	editor_spacer->add_child( prop_pallete );
-	prop_pallete->set_area_as_parent_rect();
+	prop_pallete->set_area_as_parent_rect();*/
 
 	VBoxContainer *prop_editor_base = memnew( VBoxContainer );
 	prop_editor_base->set_name("Inspector"); // Properties?
-	prop_pallete->add_child(prop_editor_base);
+	dock_slot[DOCK_SLOT_RIGHT_UL]->add_child(prop_editor_base);
 
 	HBoxContainer *prop_editor_hb = memnew( HBoxContainer );
 	prop_editor_base->add_child(prop_editor_hb);
@@ -3817,14 +4774,15 @@ EditorNode::EditorNode() {
 
 	scenes_dock = memnew( ScenesDock(this) );
 	scenes_dock->set_name("FileSystem");
-	prop_pallete->add_child(scenes_dock);
+	dock_slot[DOCK_SLOT_LEFT_BR]->add_child(scenes_dock);
+	//prop_pallete->add_child(scenes_dock);
 	scenes_dock->connect("open",this,"open_request");
 	scenes_dock->connect("instance",this,"_instance_request");
 
 
 
 	log = memnew( EditorLog );
-	left_split->add_child(log);
+	center_split->add_child(log);
 	log->connect("close_request",this,"_close_messages");
 	log->connect("show_request",this,"_show_messages");
 	//left_split->set_dragger_visible(false);
@@ -3840,7 +4798,7 @@ EditorNode::EditorNode() {
 
 
 	animation_vb->add_child(animation_editor);
-	left_split->connect("resized",this,"_vp_resized");
+	center_split->connect("resized",this,"_vp_resized");
 
 
 	animation_editor->hide();
@@ -3974,7 +4932,7 @@ EditorNode::EditorNode() {
 	about->get_ok()->set_text("Thanks!");
 	about->set_hide_on_ok(true);
 	Label *about_text = memnew( Label );
-	about_text->set_text(VERSION_FULL_NAME"\n(c) 2008-2014 Juan Linietsky, Ariel Manzur.\n");
+	about_text->set_text(VERSION_FULL_NAME"\n(c) 2008-2015 Juan Linietsky, Ariel Manzur.\n");
 	about_text->set_pos(Point2(gui_base->get_icon("Logo","EditorIcons")->get_size().width+30,20));
 	gui_base->add_child(about);
 	about->add_child(about_text);
@@ -3998,7 +4956,7 @@ EditorNode::EditorNode() {
 	file_templates->add_filter("*.tpz ; Template Package");
 
 
-	file = memnew( FileDialog );
+	file = memnew( EditorFileDialog );
 	gui_base->add_child(file);
 	file->set_current_dir("res://");
 
@@ -4072,8 +5030,9 @@ EditorNode::EditorNode() {
 
 
 	editor_import_export->add_import_plugin( Ref<EditorTextureImportPlugin>( memnew(EditorTextureImportPlugin(this,EditorTextureImportPlugin::MODE_TEXTURE_2D) )));
-	editor_import_export->add_import_plugin( Ref<EditorTextureImportPlugin>( memnew(EditorTextureImportPlugin(this,EditorTextureImportPlugin::MODE_TEXTURE_3D) )));
 	editor_import_export->add_import_plugin( Ref<EditorTextureImportPlugin>( memnew(EditorTextureImportPlugin(this,EditorTextureImportPlugin::MODE_ATLAS) )));
+	editor_import_export->add_import_plugin( Ref<EditorTextureImportPlugin>( memnew(EditorTextureImportPlugin(this,EditorTextureImportPlugin::MODE_LARGE) )));
+	editor_import_export->add_import_plugin( Ref<EditorTextureImportPlugin>( memnew(EditorTextureImportPlugin(this,EditorTextureImportPlugin::MODE_TEXTURE_3D) )));
 	Ref<EditorSceneImportPlugin> _scene_import =  memnew(EditorSceneImportPlugin(this) );
 	Ref<EditorSceneImporterCollada> _collada_import = memnew( EditorSceneImporterCollada);
 	_scene_import->add_importer(_collada_import);
@@ -4111,7 +5070,7 @@ EditorNode::EditorNode() {
 	add_editor_plugin( memnew( ParticlesEditorPlugin(this) ) );
 	add_editor_plugin( memnew( ResourcePreloaderEditorPlugin(this) ) );
 	add_editor_plugin( memnew( ItemListEditorPlugin(this) ) );
-	add_editor_plugin( memnew( RichTextEditorPlugin(this) ) );
+	//add_editor_plugin( memnew( RichTextEditorPlugin(this) ) );
 	add_editor_plugin( memnew( CollisionPolygonEditorPlugin(this) ) );
 	add_editor_plugin( memnew( CollisionPolygon2DEditorPlugin(this) ) );
 	add_editor_plugin( memnew( TileSetEditorPlugin(this) ) );
@@ -4124,10 +5083,20 @@ EditorNode::EditorNode() {
 	add_editor_plugin( memnew( Polygon2DEditorPlugin(this) ) );
 	add_editor_plugin( memnew( LightOccluder2DEditorPlugin(this) ) );
 	add_editor_plugin( memnew( NavigationPolygonEditorPlugin(this) ) );
+	add_editor_plugin( memnew( ColorRampEditorPlugin(this) ) );
+	add_editor_plugin( memnew( CollisionShape2DEditorPlugin(this) ) );
 
 	for(int i=0;i<EditorPlugins::get_plugin_count();i++)
 		add_editor_plugin( EditorPlugins::create(i,this) );
 
+
+	resource_preview->add_preview_generator( Ref<EditorTexturePreviewPlugin>( memnew(EditorTexturePreviewPlugin )));
+	resource_preview->add_preview_generator( Ref<EditorPackedScenePreviewPlugin>( memnew(EditorPackedScenePreviewPlugin )));
+	resource_preview->add_preview_generator( Ref<EditorMaterialPreviewPlugin>( memnew(EditorMaterialPreviewPlugin )));
+	resource_preview->add_preview_generator( Ref<EditorScriptPreviewPlugin>( memnew(EditorScriptPreviewPlugin )));
+	resource_preview->add_preview_generator( Ref<EditorSamplePreviewPlugin>( memnew(EditorSamplePreviewPlugin )));
+	resource_preview->add_preview_generator( Ref<EditorMeshPreviewPlugin>( memnew(EditorMeshPreviewPlugin )));
+
 	circle_step_msec=OS::get_singleton()->get_ticks_msec();
 	circle_step_frame=OS::get_singleton()->get_frames_drawn();;
 	circle_step=0;
@@ -4180,8 +5149,8 @@ EditorNode::EditorNode() {
 	}
 
 
-	edited_scene=NULL;
-	saved_version=0;
+	//edited_scene=NULL;
+	saved_version=1;
 	unsaved_cache=true;
 	_last_instanced_scene=NULL;
 
@@ -4235,17 +5204,27 @@ EditorNode::EditorNode() {
 	Node::set_human_readable_collision_renaming(true);
 
 
+
+
 //	Ref<ImageTexture> it = gui_base->get_icon("logo","Icons");
 //	OS::get_singleton()->set_icon( it->get_data() );
 
 	for(int i=0;i<_init_callbacks.size();i++)
 		_init_callbacks[i]();
 
+	editor_data.add_edited_scene(-1);
+	editor_data.set_edited_scene(0);
+	_update_scene_tabs();
+
+	_load_docks();
+
+
 }
 
 
 EditorNode::~EditorNode() {	
 
+
 	memdelete(editor_selection);
 	memdelete(file_server);
 	EditorSettings::destroy();