88 files changed, 953 insertions, 952 deletions
diff --git a/scene/2d/area_2d.cpp b/scene/2d/area_2d.cpp
index ad228662e4..48fa74cc6d 100644
--- a/scene/2d/area_2d.cpp
+++ b/scene/2d/area_2d.cpp
@@ -94,7 +94,7 @@ real_t Area2D::get_priority() const{
 }
 
 
-void Area2D::_body_enter_scene(ObjectID p_id) {
+void Area2D::_body_enter_tree(ObjectID p_id) {
 
 	Object *obj = ObjectDB::get_instance(p_id);
 	Node *node = obj ? obj->cast_to<Node>() : NULL;
@@ -102,9 +102,9 @@ void Area2D::_body_enter_scene(ObjectID p_id) {
 
 	Map<ObjectID,BodyState>::Element *E=body_map.find(p_id);
 	ERR_FAIL_COND(!E);
-	ERR_FAIL_COND(E->get().in_scene);
+	ERR_FAIL_COND(E->get().in_tree);
 
-	E->get().in_scene=true;
+	E->get().in_tree=true;
 	emit_signal(SceneStringNames::get_singleton()->body_enter,node);
 	for(int i=0;i<E->get().shapes.size();i++) {
 
@@ -113,15 +113,15 @@ void Area2D::_body_enter_scene(ObjectID p_id) {
 
 }
 
-void Area2D::_body_exit_scene(ObjectID p_id) {
+void Area2D::_body_exit_tree(ObjectID p_id) {
 
 	Object *obj = ObjectDB::get_instance(p_id);
 	Node *node = obj ? obj->cast_to<Node>() : NULL;
 	ERR_FAIL_COND(!node);
 	Map<ObjectID,BodyState>::Element *E=body_map.find(p_id);
 	ERR_FAIL_COND(!E);
-	ERR_FAIL_COND(!E->get().in_scene);
-	E->get().in_scene=false;
+	ERR_FAIL_COND(!E->get().in_tree);
+	E->get().in_tree=false;
 	emit_signal(SceneStringNames::get_singleton()->body_exit,node);
 	for(int i=0;i<E->get().shapes.size();i++) {
 
@@ -147,11 +147,11 @@ void Area2D::_body_inout(int p_status,const RID& p_body, int p_instance, int p_b
 
 			E = body_map.insert(objid,BodyState());
 			E->get().rc=0;
-			E->get().in_scene=node && node->is_inside_scene();
+			E->get().in_tree=node && node->is_inside_tree();
 			if (node) {
-				node->connect(SceneStringNames::get_singleton()->enter_scene,this,SceneStringNames::get_singleton()->_body_enter_scene,make_binds(objid));
-				node->connect(SceneStringNames::get_singleton()->exit_scene,this,SceneStringNames::get_singleton()->_body_exit_scene,make_binds(objid));
-				if (E->get().in_scene) {
+				node->connect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_body_enter_tree,make_binds(objid));
+				node->connect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_body_exit_tree,make_binds(objid));
+				if (E->get().in_tree) {
 					emit_signal(SceneStringNames::get_singleton()->body_enter,node);
 				}
 			}
@@ -162,7 +162,7 @@ void Area2D::_body_inout(int p_status,const RID& p_body, int p_instance, int p_b
 			E->get().shapes.insert(ShapePair(p_body_shape,p_area_shape));
 
 
-		if (E->get().in_scene) {
+		if (E->get().in_tree) {
 			emit_signal(SceneStringNames::get_singleton()->body_enter_shape,objid,node,p_body_shape,p_area_shape);
 		}
 
@@ -178,9 +178,9 @@ void Area2D::_body_inout(int p_status,const RID& p_body, int p_instance, int p_b
 		if (E->get().rc==0) {
 
 			if (node) {
-				node->disconnect(SceneStringNames::get_singleton()->enter_scene,this,SceneStringNames::get_singleton()->_body_enter_scene);
-				node->disconnect(SceneStringNames::get_singleton()->exit_scene,this,SceneStringNames::get_singleton()->_body_exit_scene);
-				if (E->get().in_scene)
+				node->disconnect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_body_enter_tree);
+				node->disconnect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_body_exit_tree);
+				if (E->get().in_tree)
 					emit_signal(SceneStringNames::get_singleton()->body_exit,obj);
 
 			}
@@ -188,7 +188,7 @@ void Area2D::_body_inout(int p_status,const RID& p_body, int p_instance, int p_b
 			eraseit=true;
 
 		}
-		if (node && E->get().in_scene) {
+		if (node && E->get().in_tree) {
 			emit_signal(SceneStringNames::get_singleton()->body_exit_shape,objid,obj,p_body_shape,p_area_shape);
 		}
 
@@ -212,7 +212,7 @@ void Area2D::_clear_monitoring() {
 		Object *obj = ObjectDB::get_instance(E->key());
 		Node *node = obj ? obj->cast_to<Node>() : NULL;
 		ERR_CONTINUE(!node);
-		if (!E->get().in_scene)
+		if (!E->get().in_tree)
 			continue;
 
 		for(int i=0;i<E->get().shapes.size();i++) {
@@ -222,8 +222,8 @@ void Area2D::_clear_monitoring() {
 
 		emit_signal(SceneStringNames::get_singleton()->body_exit,obj);
 
-		node->disconnect(SceneStringNames::get_singleton()->enter_scene,this,SceneStringNames::get_singleton()->_body_enter_scene);
-		node->disconnect(SceneStringNames::get_singleton()->exit_scene,this,SceneStringNames::get_singleton()->_body_exit_scene);
+		node->disconnect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_body_enter_tree);
+		node->disconnect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_body_exit_tree);
 	}
 
 }
@@ -232,7 +232,7 @@ void Area2D::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			_clear_monitoring();
 		} break;
@@ -266,8 +266,8 @@ bool Area2D::is_monitoring_enabled() const {
 
 void Area2D::_bind_methods() {
 
-	ObjectTypeDB::bind_method(_MD("_body_enter_scene","id"),&Area2D::_body_enter_scene);
-	ObjectTypeDB::bind_method(_MD("_body_exit_scene","id"),&Area2D::_body_exit_scene);
+	ObjectTypeDB::bind_method(_MD("_body_enter_tree","id"),&Area2D::_body_enter_tree);
+	ObjectTypeDB::bind_method(_MD("_body_exit_tree","id"),&Area2D::_body_exit_tree);
 
 	ObjectTypeDB::bind_method(_MD("set_space_override_mode","enable"),&Area2D::set_space_override_mode);
 	ObjectTypeDB::bind_method(_MD("get_space_override_mode"),&Area2D::get_space_override_mode);
diff --git a/scene/2d/area_2d.h b/scene/2d/area_2d.h
index b4c8edf138..85f2b91582 100644
--- a/scene/2d/area_2d.h
+++ b/scene/2d/area_2d.h
@@ -55,8 +55,8 @@ private:
 
 	void _body_inout(int p_status,const RID& p_body, int p_instance, int p_body_shape,int p_area_shape);
 
-	void _body_enter_scene(ObjectID p_id);
-	void _body_exit_scene(ObjectID p_id);
+	void _body_enter_tree(ObjectID p_id);
+	void _body_exit_tree(ObjectID p_id);
 
 	struct ShapePair {
 
@@ -76,7 +76,7 @@ private:
 	struct BodyState {
 
 		int rc;
-		bool in_scene;
+		bool in_tree;
 		VSet<ShapePair> shapes;
 	};
 
diff --git a/scene/2d/camera_2d.cpp b/scene/2d/camera_2d.cpp
index fe6c9637e0..b3897010bf 100644
--- a/scene/2d/camera_2d.cpp
+++ b/scene/2d/camera_2d.cpp
@@ -33,10 +33,10 @@
 void Camera2D::_update_scroll() {
 
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
-	if (get_scene()->is_editor_hint()) {
+	if (get_tree()->is_editor_hint()) {
 		update(); //will just be drawn
 		return;
 	}
@@ -48,7 +48,7 @@ void Camera2D::_update_scroll() {
 		if (viewport) {
 		       viewport->set_canvas_transform( xform );
 		}
-		get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,group_name,"_camera_moved",xform);
+		get_tree()->call_group(SceneTree::GROUP_CALL_REALTIME,group_name,"_camera_moved",xform);
 	};
 
 }
@@ -67,7 +67,7 @@ Vector2 Camera2D::get_zoom() const {
 
 Matrix32 Camera2D::get_camera_transform()  {
 
-	if (!get_scene())
+	if (!get_tree())
 		return Matrix32();
 
 	Size2 screen_size = get_viewport_rect().size;
@@ -213,7 +213,7 @@ void Camera2D::_notification(int p_what) {
 				_update_scroll();
 
 		} break;
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			viewport = NULL;
 			Node *n=this;
@@ -239,7 +239,7 @@ void Camera2D::_notification(int p_what) {
 
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			if (is_current()) {
 				if (viewport) {
@@ -316,10 +316,10 @@ bool Camera2D::is_current() const {
 
 void Camera2D::make_current() {
 
-	if (!is_inside_scene()) {
+	if (!is_inside_tree()) {
 		current=true;
 	} else {
-		get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,group_name,"_make_current",this);
+		get_tree()->call_group(SceneTree::GROUP_CALL_REALTIME,group_name,"_make_current",this);
 	}
 }
 
diff --git a/scene/2d/canvas_item.cpp b/scene/2d/canvas_item.cpp
index d66f100b3f..f90da51eea 100644
--- a/scene/2d/canvas_item.cpp
+++ b/scene/2d/canvas_item.cpp
@@ -38,7 +38,7 @@
 
 bool CanvasItem::is_visible() const {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return false;
 
 	const CanvasItem *p=this;
@@ -92,7 +92,7 @@ void CanvasItem::show() {
 	hidden=false;
 	VisualServer::get_singleton()->canvas_item_set_visible(canvas_item,true);
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	if (is_visible()) {
@@ -106,11 +106,11 @@ void CanvasItem::hide() {
 	if (hidden)
 		return;
 
-	bool propagate=is_inside_scene() && is_visible();
+	bool propagate=is_inside_tree() && is_visible();
 	hidden=true;
 	VisualServer::get_singleton()->canvas_item_set_visible(canvas_item,false);
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 	if (propagate)
 		_propagate_visibility_changed(false);
@@ -147,7 +147,7 @@ void CanvasItem::_update_callback() {
 
 
 
-	if (!is_inside_scene()) {
+	if (!is_inside_tree()) {
 		pending_update=false;
 		return;
 	}
@@ -225,7 +225,7 @@ void CanvasItem::_sort_children() {
 
 	pending_children_sort=false;
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	for(int i=0;i<get_child_count();i++) {
@@ -243,7 +243,7 @@ void CanvasItem::_sort_children() {
 
 void CanvasItem::_raise_self() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	VisualServer::get_singleton()->canvas_item_raise(canvas_item);
@@ -283,7 +283,7 @@ void CanvasItem::_enter_canvas() {
 		group = "root_canvas"+itos(canvas.get_id());
 
 		add_to_group(group);
-		get_scene()->call_group(SceneMainLoop::GROUP_CALL_UNIQUE,group,"_raise_self");
+		get_tree()->call_group(SceneTree::GROUP_CALL_UNIQUE,group,"_raise_self");
 
 	} else {
 
@@ -313,7 +313,7 @@ void CanvasItem::_notification(int p_what) {
 
 
 	switch(p_what) {
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			first_draw=true;
 			pending_children_sort=false;
@@ -324,14 +324,14 @@ void CanvasItem::_notification(int p_what) {
 			}
 			_enter_canvas();
 			if (!block_transform_notify && !xform_change.in_list()) {
-				get_scene()->xform_change_list.add(&xform_change);
+				get_tree()->xform_change_list.add(&xform_change);
 			}
 		} break;
 		case NOTIFICATION_MOVED_IN_PARENT: {
 
 
 			if (group!="") {
-				get_scene()->call_group(SceneMainLoop::GROUP_CALL_UNIQUE,group,"_raise_self");
+				get_tree()->call_group(SceneTree::GROUP_CALL_UNIQUE,group,"_raise_self");
 			} else {
 				CanvasItem *p = get_parent_item();
 				ERR_FAIL_COND(!p);
@@ -340,9 +340,9 @@ void CanvasItem::_notification(int p_what) {
 
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 			if (xform_change.in_list())
-				get_scene()->xform_change_list.remove(&xform_change);
+				get_tree()->xform_change_list.remove(&xform_change);
 			_exit_canvas();
 			if (C) {
 				get_parent()->cast_to<CanvasItem>()->children_items.erase(C);
@@ -379,7 +379,7 @@ bool CanvasItem::_is_visible_() const {
 
 void CanvasItem::update() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 	if (pending_update)
 		return;
@@ -406,7 +406,7 @@ void CanvasItem::set_as_toplevel(bool p_toplevel) {
 	if (toplevel==p_toplevel)
 		return;
 
-	if (!is_inside_scene()) {
+	if (!is_inside_tree()) {
 		toplevel=p_toplevel;
 		return;
 	}
@@ -630,8 +630,8 @@ void CanvasItem::_notify_transform(CanvasItem *p_node) {
 
 	if (!p_node->xform_change.in_list()) {
 		if (!p_node->block_transform_notify) {
-			if (p_node->is_inside_scene())
-				get_scene()->xform_change_list.add(&p_node->xform_change);
+			if (p_node->is_inside_tree())
+				get_tree()->xform_change_list.add(&p_node->xform_change);
 		}
 	}
 
@@ -648,13 +648,13 @@ void CanvasItem::_notify_transform(CanvasItem *p_node) {
 
 Rect2 CanvasItem::get_viewport_rect() const {
 
-	ERR_FAIL_COND_V(!is_inside_scene(),Rect2());
+	ERR_FAIL_COND_V(!is_inside_tree(),Rect2());
 	return get_viewport()->get_visible_rect();
 }
 
 RID CanvasItem::get_canvas() const {
 
-	ERR_FAIL_COND_V(!is_inside_scene(),RID());
+	ERR_FAIL_COND_V(!is_inside_tree(),RID());
 
 	if (canvas_layer)
 		return canvas_layer->get_world_2d()->get_canvas();
@@ -677,7 +677,7 @@ CanvasItem *CanvasItem::get_toplevel() const {
 
 Ref<World2D> CanvasItem::get_world_2d() const {
 
-	ERR_FAIL_COND_V(!is_inside_scene(),Ref<World2D>());
+	ERR_FAIL_COND_V(!is_inside_tree(),Ref<World2D>());
 
 	CanvasItem *tl=get_toplevel();
 
@@ -693,7 +693,7 @@ Ref<World2D> CanvasItem::get_world_2d() const {
 
 RID CanvasItem::get_viewport_rid() const {
 
-	ERR_FAIL_COND_V(!is_inside_scene(),RID());
+	ERR_FAIL_COND_V(!is_inside_tree(),RID());
 	return get_viewport()->get_viewport();
 }
 
@@ -824,7 +824,7 @@ void CanvasItem::_bind_methods() {
 
 Matrix32 CanvasItem::get_canvas_transform() const {
 
-	ERR_FAIL_COND_V(!is_inside_scene(),Matrix32());
+	ERR_FAIL_COND_V(!is_inside_tree(),Matrix32());
 
 	if (canvas_layer)
 		return canvas_layer->get_transform();
@@ -835,7 +835,7 @@ Matrix32 CanvasItem::get_canvas_transform() const {
 
 Matrix32 CanvasItem::get_viewport_transform() const {
 
-	ERR_FAIL_COND_V(!is_inside_scene(),Matrix32());
+	ERR_FAIL_COND_V(!is_inside_tree(),Matrix32());
 
 	if (canvas_layer) {
 
diff --git a/scene/2d/canvas_item.h b/scene/2d/canvas_item.h
index 604eef0527..dbf8fd79e9 100644
--- a/scene/2d/canvas_item.h
+++ b/scene/2d/canvas_item.h
@@ -110,7 +110,7 @@ protected:
 
 
 
-	_FORCE_INLINE_ void _notify_transform() { if (!is_inside_scene()) return; _notify_transform(this); if (!block_transform_notify) notification(NOTIFICATION_LOCAL_TRANSFORM_CHANGED); }
+	_FORCE_INLINE_ void _notify_transform() { if (!is_inside_tree()) return; _notify_transform(this); if (!block_transform_notify) notification(NOTIFICATION_LOCAL_TRANSFORM_CHANGED); }
 
 	void item_rect_changed();
 
@@ -120,7 +120,7 @@ public:
 
 
 	enum {
-		NOTIFICATION_TRANSFORM_CHANGED=SceneMainLoop::NOTIFICATION_TRANSFORM_CHANGED, //unique
+		NOTIFICATION_TRANSFORM_CHANGED=SceneTree::NOTIFICATION_TRANSFORM_CHANGED, //unique
 		NOTIFICATION_DRAW=30,
 		NOTIFICATION_VISIBILITY_CHANGED=31,
 		NOTIFICATION_ENTER_CANVAS=32,
diff --git a/scene/2d/collision_object_2d.cpp b/scene/2d/collision_object_2d.cpp
index 56359e6015..3b859d9366 100644
--- a/scene/2d/collision_object_2d.cpp
+++ b/scene/2d/collision_object_2d.cpp
@@ -45,7 +45,7 @@ void CollisionObject2D::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			if (area)
 				Physics2DServer::get_singleton()->area_set_transform(rid,get_global_transform());
@@ -69,7 +69,7 @@ void CollisionObject2D::_notification(int p_what) {
 				Physics2DServer::get_singleton()->body_set_state(rid,Physics2DServer::BODY_STATE_TRANSFORM,get_global_transform());
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			if (area) {
 				Physics2DServer::get_singleton()->area_set_space(rid,RID());
diff --git a/scene/2d/collision_polygon_2d.cpp b/scene/2d/collision_polygon_2d.cpp
index ef63286697..57495b5cb0 100644
--- a/scene/2d/collision_polygon_2d.cpp
+++ b/scene/2d/collision_polygon_2d.cpp
@@ -95,7 +95,7 @@ void CollisionPolygon2D::_notification(int p_what) {
 	switch(p_what) {
 		case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: {
 
-			if (!is_inside_scene())
+			if (!is_inside_tree())
 				break;
 			_update_parent();
 
diff --git a/scene/2d/collision_shape_2d.cpp b/scene/2d/collision_shape_2d.cpp
index 3f068f4ccc..9f35ade322 100644
--- a/scene/2d/collision_shape_2d.cpp
+++ b/scene/2d/collision_shape_2d.cpp
@@ -72,12 +72,12 @@ void CollisionShape2D::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 			unparenting=false;
 		} break;
 		case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: {
 
-			if (!is_inside_scene())
+			if (!is_inside_tree())
 				break;
 			_update_parent();
 
diff --git a/scene/2d/joints_2d.cpp b/scene/2d/joints_2d.cpp
index 0e673ff791..e706ad658a 100644
--- a/scene/2d/joints_2d.cpp
+++ b/scene/2d/joints_2d.cpp
@@ -32,7 +32,7 @@
 
 void Joint2D::_update_joint() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	if (joint.is_valid()) {
@@ -86,7 +86,7 @@ void Joint2D::_notification(int p_what) {
 		case NOTIFICATION_READY: {
 			_update_joint();
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 			if (joint.is_valid()) {
 
 				Physics2DServer::get_singleton()->free(joint);
@@ -145,7 +145,7 @@ void PinJoint2D::_notification(int p_what) {
 
 	switch(p_what) {
 		case NOTIFICATION_DRAW: {
-			if (is_inside_scene() && get_scene()->is_editor_hint()) {
+			if (is_inside_tree() && get_tree()->is_editor_hint()) {
 
 				draw_line(Point2(-10,0),Point2(+10,0),Color(0.7,0.6,0.0,0.5),3);
 				draw_line(Point2(0,-10),Point2(0,+10),Color(0.7,0.6,0.0,0.5),3);
@@ -197,7 +197,7 @@ void GrooveJoint2D::_notification(int p_what) {
 
 	switch(p_what) {
 		case NOTIFICATION_DRAW: {
-			if (is_inside_scene() && get_scene()->is_editor_hint()) {
+			if (is_inside_tree() && get_tree()->is_editor_hint()) {
 
 				draw_line(Point2(-10,0),Point2(+10,0),Color(0.7,0.6,0.0,0.5),3);
 				draw_line(Point2(-10,length),Point2(+10,length),Color(0.7,0.6,0.0,0.5),3);
@@ -291,7 +291,7 @@ void DampedSpringJoint2D::_notification(int p_what) {
 
 	switch(p_what) {
 		case NOTIFICATION_DRAW: {
-			if (is_inside_scene() && get_scene()->is_editor_hint()) {
+			if (is_inside_tree() && get_tree()->is_editor_hint()) {
 
 				draw_line(Point2(-10,0),Point2(+10,0),Color(0.7,0.6,0.0,0.5),3);
 				draw_line(Point2(-10,length),Point2(+10,length),Color(0.7,0.6,0.0,0.5),3);
diff --git a/scene/2d/node_2d.cpp b/scene/2d/node_2d.cpp
index 4c00db2429..6dcee3458f 100644
--- a/scene/2d/node_2d.cpp
+++ b/scene/2d/node_2d.cpp
@@ -130,7 +130,7 @@ void Node2D::_update_transform() {
 
 	VisualServer::get_singleton()->canvas_item_set_transform(get_canvas_item(),_mat);
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 
@@ -272,7 +272,7 @@ void Node2D::set_transform(const Matrix32& p_transform) {
 
 	VisualServer::get_singleton()->canvas_item_set_transform(get_canvas_item(),_mat);
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	_notify_transform();
diff --git a/scene/2d/parallax_background.cpp b/scene/2d/parallax_background.cpp
index 55607bd4eb..df37285f9d 100644
--- a/scene/2d/parallax_background.cpp
+++ b/scene/2d/parallax_background.cpp
@@ -36,13 +36,13 @@ void ParallaxBackground::_notification(int p_what) {
 	switch(p_what) {
 
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			group_name = "__cameras_"+itos(get_viewport().get_id());
 			add_to_group(group_name);
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			remove_from_group(group_name);
 		} break;
@@ -78,7 +78,7 @@ void ParallaxBackground::set_scroll_offset(const Point2& p_ofs) {
 
 void ParallaxBackground::_update_scroll() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	Vector2 ofs = base_offset+offset*base_scale;
diff --git a/scene/2d/parallax_layer.cpp b/scene/2d/parallax_layer.cpp
index 2cda51dccb..a0913ab50c 100644
--- a/scene/2d/parallax_layer.cpp
+++ b/scene/2d/parallax_layer.cpp
@@ -74,7 +74,7 @@ void ParallaxLayer::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			orig_offset=get_pos();
 			orig_scale=get_scale();
@@ -85,9 +85,9 @@ void ParallaxLayer::_notification(int p_what) {
 
 void ParallaxLayer::set_base_offset_and_scale(const Point2& p_offset,float p_scale) {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
-	if (get_scene()->is_editor_hint())
+	if (get_tree()->is_editor_hint())
 		return;
 	Point2 new_ofs = ((orig_offset+p_offset)*motion_scale)*p_scale;
 
diff --git a/scene/2d/particles_2d.cpp b/scene/2d/particles_2d.cpp
index 819b06e095..7f492e743c 100644
--- a/scene/2d/particles_2d.cpp
+++ b/scene/2d/particles_2d.cpp
@@ -34,14 +34,14 @@ void ParticleAttractor2D::_notification(int p_what) {
 
 	switch(p_what)	 {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			_update_owner();
 
 		} break;
 		case NOTIFICATION_DRAW: {
 
-			if (!get_scene()->is_editor_hint())
+			if (!get_tree()->is_editor_hint())
 				return;
 
 			Vector2 pv;
@@ -58,7 +58,7 @@ void ParticleAttractor2D::_notification(int p_what) {
 			}
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 			if (owner) {
 				_set_owner(NULL);
 			}
@@ -76,7 +76,7 @@ void ParticleAttractor2D::_owner_exited() {
 
 void ParticleAttractor2D::_update_owner() {
 
-	if (!is_inside_scene() || !has_node(path)) {
+	if (!is_inside_tree() || !has_node(path)) {
 		_set_owner(NULL);
 		return;
 	}
@@ -98,7 +98,7 @@ void ParticleAttractor2D::_set_owner(Particles2D* p_owner) {
 		return;
 
 	if (owner) {
-		owner->disconnect("exit_scene",this,"_owner_exited");
+		owner->disconnect("exit_tree",this,"_owner_exited");
 		owner->attractors.erase(this);
 		owner=NULL;
 	}
@@ -106,7 +106,7 @@ void ParticleAttractor2D::_set_owner(Particles2D* p_owner) {
 
 	if (owner) {
 
-		owner->connect("exit_scene",this,"_owner_exited",varray(),CONNECT_ONESHOT);
+		owner->connect("exit_tree",this,"_owner_exited",varray(),CONNECT_ONESHOT);
 		owner->attractors.insert(this);
 	}
 }
@@ -457,7 +457,7 @@ void Particles2D::_notification(int p_what) {
 			_process_particles( get_process_delta_time() );
 		} break;
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			float ppt=preprocess;
 			while(ppt>0) {
diff --git a/scene/2d/path_2d.cpp b/scene/2d/path_2d.cpp
index febec54124..5560274c98 100644
--- a/scene/2d/path_2d.cpp
+++ b/scene/2d/path_2d.cpp
@@ -31,7 +31,7 @@
 
 void Path2D::_notification(int p_what) {
 
-	if (p_what==NOTIFICATION_DRAW && curve.is_valid() && is_inside_scene() && get_scene()->is_editor_hint()) {
+	if (p_what==NOTIFICATION_DRAW && curve.is_valid() && is_inside_tree() && get_tree()->is_editor_hint()) {
 		//draw the curve!!
 
 		for(int i=0;i<curve->get_point_count();i++) {
@@ -52,7 +52,7 @@ void Path2D::_notification(int p_what) {
 void Path2D::_curve_changed() {
 
 
-	if (is_inside_scene() && get_scene()->is_editor_hint())
+	if (is_inside_tree() && get_tree()->is_editor_hint())
 		update();
 
 }
@@ -135,7 +135,7 @@ void PathFollow2D::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			Node *parent=get_parent();
 			if (parent) {
@@ -147,7 +147,7 @@ void PathFollow2D::_notification(int p_what) {
 			}
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 
 			path=NULL;
diff --git a/scene/2d/physics_body_2d.cpp b/scene/2d/physics_body_2d.cpp
index 308aa8402f..f2f7a15e91 100644
--- a/scene/2d/physics_body_2d.cpp
+++ b/scene/2d/physics_body_2d.cpp
@@ -198,7 +198,7 @@ StaticBody2D::~StaticBody2D() {
 
 
 
-void RigidBody2D::_body_enter_scene(ObjectID p_id) {
+void RigidBody2D::_body_enter_tree(ObjectID p_id) {
 
 	Object *obj = ObjectDB::get_instance(p_id);
 	Node *node = obj ? obj->cast_to<Node>() : NULL;
@@ -218,7 +218,7 @@ void RigidBody2D::_body_enter_scene(ObjectID p_id) {
 
 }
 
-void RigidBody2D::_body_exit_scene(ObjectID p_id) {
+void RigidBody2D::_body_exit_tree(ObjectID p_id) {
 
 	Object *obj = ObjectDB::get_instance(p_id);
 	Node *node = obj ? obj->cast_to<Node>() : NULL;
@@ -251,10 +251,10 @@ void RigidBody2D::_body_inout(int p_status, ObjectID p_instance, int p_body_shap
 
 			E = contact_monitor->body_map.insert(objid,BodyState());
 //			E->get().rc=0;
-			E->get().in_scene=node && node->is_inside_scene();
+			E->get().in_scene=node && node->is_inside_tree();
 			if (node) {
-				node->connect(SceneStringNames::get_singleton()->enter_scene,this,SceneStringNames::get_singleton()->_body_enter_scene,make_binds(objid));
-				node->connect(SceneStringNames::get_singleton()->exit_scene,this,SceneStringNames::get_singleton()->_body_exit_scene,make_binds(objid));
+				node->connect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_body_enter_tree,make_binds(objid));
+				node->connect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_body_exit_tree,make_binds(objid));
 				if (E->get().in_scene) {
 					emit_signal(SceneStringNames::get_singleton()->body_enter,node);
 				}
@@ -283,8 +283,8 @@ void RigidBody2D::_body_inout(int p_status, ObjectID p_instance, int p_body_shap
 		if (E->get().shapes.empty()) {
 
 			if (node) {
-				node->disconnect(SceneStringNames::get_singleton()->enter_scene,this,SceneStringNames::get_singleton()->_body_enter_scene);
-				node->disconnect(SceneStringNames::get_singleton()->exit_scene,this,SceneStringNames::get_singleton()->_body_exit_scene);
+				node->disconnect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_body_enter_tree);
+				node->disconnect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_body_exit_tree);
 				if (in_scene)
 					emit_signal(SceneStringNames::get_singleton()->body_exit,obj);
 
@@ -694,8 +694,8 @@ void RigidBody2D::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("is_able_to_sleep"),&RigidBody2D::is_able_to_sleep);
 
 	ObjectTypeDB::bind_method(_MD("_direct_state_changed"),&RigidBody2D::_direct_state_changed);
-	ObjectTypeDB::bind_method(_MD("_body_enter_scene"),&RigidBody2D::_body_enter_scene);
-	ObjectTypeDB::bind_method(_MD("_body_exit_scene"),&RigidBody2D::_body_exit_scene);
+	ObjectTypeDB::bind_method(_MD("_body_enter_tree"),&RigidBody2D::_body_enter_tree);
+	ObjectTypeDB::bind_method(_MD("_body_exit_tree"),&RigidBody2D::_body_exit_tree);
 
 	BIND_VMETHOD(MethodInfo("_integrate_forces",PropertyInfo(Variant::OBJECT,"state:Physics2DDirectBodyState")));
 
@@ -803,7 +803,7 @@ Vector2 KinematicBody2D::move(const Vector2& p_motion) {
 
 
 	colliding=false;
-	ERR_FAIL_COND_V(!is_inside_scene(),Vector2());
+	ERR_FAIL_COND_V(!is_inside_tree(),Vector2());
 	Physics2DDirectSpaceState *dss = Physics2DServer::get_singleton()->space_get_direct_state(get_world_2d()->get_space());
 	ERR_FAIL_COND_V(!dss,Vector2());
 	const int max_shapes=32;
@@ -947,7 +947,7 @@ Vector2 KinematicBody2D::move_to(const Vector2& p_position) {
 
 bool KinematicBody2D::can_move_to(const Vector2& p_position, bool p_discrete) {
 
-	ERR_FAIL_COND_V(!is_inside_scene(),false);
+	ERR_FAIL_COND_V(!is_inside_tree(),false);
 	Physics2DDirectSpaceState *dss = Physics2DServer::get_singleton()->space_get_direct_state(get_world_2d()->get_space());
 	ERR_FAIL_COND_V(!dss,false);
 
@@ -987,7 +987,7 @@ bool KinematicBody2D::can_move_to(const Vector2& p_position, bool p_discrete) {
 
 bool KinematicBody2D::is_colliding() const {
 
-	ERR_FAIL_COND_V(!is_inside_scene(),false);
+	ERR_FAIL_COND_V(!is_inside_tree(),false);
 
 	return colliding;
 }
diff --git a/scene/2d/physics_body_2d.h b/scene/2d/physics_body_2d.h
index e429ca1432..77e909f105 100644
--- a/scene/2d/physics_body_2d.h
+++ b/scene/2d/physics_body_2d.h
@@ -170,8 +170,8 @@ private:
 
 
 	ContactMonitor *contact_monitor;
-	void _body_enter_scene(ObjectID p_id);
-	void _body_exit_scene(ObjectID p_id);
+	void _body_enter_tree(ObjectID p_id);
+	void _body_exit_tree(ObjectID p_id);
 
 
 	void _body_inout(int p_status, ObjectID p_instance, int p_body_shape,int p_local_shape);
diff --git a/scene/2d/position_2d.cpp b/scene/2d/position_2d.cpp
index ca3be9aa8f..2db2be123b 100644
--- a/scene/2d/position_2d.cpp
+++ b/scene/2d/position_2d.cpp
@@ -45,14 +45,14 @@ void Position2D::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			update();
 		} break;
 		case NOTIFICATION_DRAW: {
-			if (!is_inside_scene())
+			if (!is_inside_tree())
 				break;
-			if (get_scene()->is_editor_hint())
+			if (get_tree()->is_editor_hint())
 				_draw_cross();
 
 		} break;
diff --git a/scene/2d/ray_cast_2d.cpp b/scene/2d/ray_cast_2d.cpp
index 8479338521..e352ac64f5 100644
--- a/scene/2d/ray_cast_2d.cpp
+++ b/scene/2d/ray_cast_2d.cpp
@@ -33,7 +33,7 @@
 void RayCast2D::set_cast_to(const Vector2& p_point) {
 
 	cast_to=p_point;
-	if (is_inside_scene() && get_scene()->is_editor_hint())
+	if (is_inside_tree() && get_tree()->is_editor_hint())
 		update();
 
 }
@@ -82,7 +82,7 @@ Vector2 RayCast2D::get_collision_normal() const{
 void RayCast2D::set_enabled(bool p_enabled) {
 
 	enabled=p_enabled;
-	if (is_inside_scene() && !get_scene()->is_editor_hint())
+	if (is_inside_tree() && !get_tree()->is_editor_hint())
 		set_fixed_process(p_enabled);
 	if (!p_enabled)
 		collided=false;
@@ -101,15 +101,15 @@ void RayCast2D::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
-			if (enabled && !get_scene()->is_editor_hint())
+			if (enabled && !get_tree()->is_editor_hint())
 				set_fixed_process(true);
 			else
 				set_fixed_process(false);
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			if (enabled)
 				set_fixed_process(false);
@@ -118,7 +118,7 @@ void RayCast2D::_notification(int p_what) {
 #ifdef TOOLS_ENABLED
 		case NOTIFICATION_DRAW: {
 
-			if (!get_scene()->is_editor_hint())
+			if (!get_tree()->is_editor_hint())
 				break;
 			Matrix32 xf;
 			xf.rotate(cast_to.atan2());
diff --git a/scene/2d/remote_transform_2d.cpp b/scene/2d/remote_transform_2d.cpp
index 80d038f6f8..b170986017 100644
--- a/scene/2d/remote_transform_2d.cpp
+++ b/scene/2d/remote_transform_2d.cpp
@@ -45,7 +45,7 @@ void RemoteTransform2D::_update_cache() {
 void RemoteTransform2D::_update_remote() {
 
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	if (!cache)
@@ -59,7 +59,7 @@ void RemoteTransform2D::_update_remote() {
 	if (!n)
 		return;
 
-	if (!n->is_inside_scene())
+	if (!n->is_inside_tree())
 		return;
 
 					//todo make faster
@@ -77,7 +77,7 @@ void RemoteTransform2D::_notification(int p_what) {
 
 		} break;
 		case NOTIFICATION_TRANSFORM_CHANGED: {
-			if (!is_inside_scene())
+			if (!is_inside_tree())
 				break;
 
 			if (cache) {
@@ -95,7 +95,7 @@ void RemoteTransform2D::_notification(int p_what) {
 void RemoteTransform2D::set_remote_node(const NodePath& p_remote_node) {
 
 	remote_node=p_remote_node;
-	if (is_inside_scene())
+	if (is_inside_tree())
 		_update_cache();
 }
 
diff --git a/scene/2d/remote_transform_2d.h b/scene/2d/remote_transform_2d.h
index 9561e72255..05a9b20f6e 100644
--- a/scene/2d/remote_transform_2d.h
+++ b/scene/2d/remote_transform_2d.h
@@ -38,7 +38,7 @@ class RemoteTransform2D : public Node2D {
 
 	void _update_remote();
 	void _update_cache();
-	void _node_exited_scene();
+	//void _node_exited_scene();
 protected:
 
 	static void _bind_methods();
diff --git a/scene/2d/sample_player_2d.cpp b/scene/2d/sample_player_2d.cpp
index bc1734ec06..99dfa67c27 100644
--- a/scene/2d/sample_player_2d.cpp
+++ b/scene/2d/sample_player_2d.cpp
@@ -89,7 +89,7 @@ void SamplePlayer2D::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			SpatialSound2DServer::get_singleton()->source_set_polyphony(get_source_rid(),polyphony);
 
diff --git a/scene/2d/screen_button.cpp b/scene/2d/screen_button.cpp
index b606634819..2ac3c06031 100644
--- a/scene/2d/screen_button.cpp
+++ b/scene/2d/screen_button.cpp
@@ -69,9 +69,9 @@ void TouchScreenButton::_notification(int p_what) {
 
 		case NOTIFICATION_DRAW: {
 
-			if (!is_inside_scene())
+			if (!is_inside_tree())
 				return;
-			if (!get_scene()->is_editor_hint() && !OS::get_singleton()->has_touchscreen_ui_hint() && visibility==VISIBILITY_TOUCHSCREEN_ONLY)
+			if (!get_tree()->is_editor_hint() && !OS::get_singleton()->has_touchscreen_ui_hint() && visibility==VISIBILITY_TOUCHSCREEN_ONLY)
 				return;
 
 			if (finger_pressed!=-1) {
@@ -87,13 +87,13 @@ void TouchScreenButton::_notification(int p_what) {
 			}
 
 		} break;
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
-			if (!get_scene()->is_editor_hint() && !OS::get_singleton()->has_touchscreen_ui_hint() && visibility==VISIBILITY_TOUCHSCREEN_ONLY)
+			if (!get_tree()->is_editor_hint() && !OS::get_singleton()->has_touchscreen_ui_hint() && visibility==VISIBILITY_TOUCHSCREEN_ONLY)
 				return;
 			update();
 
-			if (!get_scene()->is_editor_hint())
+			if (!get_tree()->is_editor_hint())
 				set_process_input(true);
 
 			if (action.operator String()!="" && InputMap::get_singleton()->has_action(action)) {
@@ -129,7 +129,7 @@ String TouchScreenButton::get_action() const {
 
 void TouchScreenButton::_input(const InputEvent& p_event) {
 
-	if (!get_scene())
+	if (!get_tree())
 		return;
 
 	if (p_event.device != 0)
@@ -149,7 +149,7 @@ void TouchScreenButton::_input(const InputEvent& p_event) {
 				ie.ID=0;
 				ie.action.action=action_id;
 				ie.action.pressed=false;
-				get_scene()->input_event(ie);
+				get_tree()->input_event(ie);
 			}
 			finger_pressed=-1;
 
@@ -193,7 +193,7 @@ void TouchScreenButton::_input(const InputEvent& p_event) {
 							ie.ID=0;
 							ie.action.action=action_id;
 							ie.action.pressed=true;
-							get_scene()->input_event(ie);
+							get_tree()->input_event(ie);
 						}
 
 						update();
@@ -213,7 +213,7 @@ void TouchScreenButton::_input(const InputEvent& p_event) {
 							ie.ID=0;
 							ie.action.action=action_id;
 							ie.action.pressed=false;
-							get_scene()->input_event(ie);
+							get_tree()->input_event(ie);
 						}
 						finger_pressed=-1;
 
@@ -268,7 +268,7 @@ void TouchScreenButton::_input(const InputEvent& p_event) {
 						ie.ID=0;
 						ie.action.action=action_id;
 						ie.action.pressed=true;
-						get_scene()->input_event(ie);
+						get_tree()->input_event(ie);
 					}
 					update();
 
@@ -289,7 +289,7 @@ void TouchScreenButton::_input(const InputEvent& p_event) {
 						ie.ID=0;
 						ie.action.action=action_id;
 						ie.action.pressed=false;
-						get_scene()->input_event(ie);
+						get_tree()->input_event(ie);
 					}
 					finger_pressed=-1;
 					update();
diff --git a/scene/2d/sound_player_2d.cpp b/scene/2d/sound_player_2d.cpp
index 2fffef4e51..ef51295476 100644
--- a/scene/2d/sound_player_2d.cpp
+++ b/scene/2d/sound_player_2d.cpp
@@ -39,7 +39,7 @@ void SoundPlayer2D::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 			//find the sound space
 
 			source_rid = SpatialSound2DServer::get_singleton()->source_create(get_world_2d()->get_sound_space());
@@ -56,7 +56,7 @@ void SoundPlayer2D::_notification(int p_what) {
 			SpatialSound2DServer::get_singleton()->source_set_transform(source_rid,get_global_transform());
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			if (source_rid.is_valid())
 				SpatialSound2DServer::get_singleton()->free(source_rid);
diff --git a/scene/2d/sprite.cpp b/scene/2d/sprite.cpp
index 8c3bbfdfc9..9f789a7a1f 100644
--- a/scene/2d/sprite.cpp
+++ b/scene/2d/sprite.cpp
@@ -365,7 +365,7 @@ void ViewportSprite::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			if (!viewport_path.is_empty()) {
 
@@ -380,7 +380,7 @@ void ViewportSprite::_notification(int p_what) {
 				item_rect_changed();
 			}
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			if (texture.is_valid()) {
 
@@ -422,7 +422,7 @@ void ViewportSprite::set_viewport_path(const NodePath& p_viewport) {
 
 	viewport_path=p_viewport;
 	update();
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	if (texture.is_valid()) {
diff --git a/scene/2d/tile_map.cpp b/scene/2d/tile_map.cpp
index eb04ca924f..9fcf34cee6 100644
--- a/scene/2d/tile_map.cpp
+++ b/scene/2d/tile_map.cpp
@@ -33,7 +33,7 @@ void TileMap::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			pending_update=true;
 			_update_dirty_quadrants();
@@ -43,7 +43,7 @@ void TileMap::_notification(int p_what) {
 
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			_update_quadrant_space(RID());
 
@@ -68,7 +68,7 @@ void TileMap::_update_quadrant_space(const RID& p_space) {
 
 void TileMap::_update_quadrant_transform() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	Matrix32 global_transform = get_global_transform();
@@ -164,7 +164,7 @@ void TileMap::_update_dirty_quadrants() {
 
 	if (!pending_update)
 		return;
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 	if (!tile_set.is_valid())
 		return;
@@ -345,7 +345,7 @@ Map<TileMap::PosKey,TileMap::Quadrant>::Element *TileMap::_create_quadrant(const
 	Physics2DServer::get_singleton()->body_set_param(q.static_body,Physics2DServer::BODY_PARAM_FRICTION,friction);
 	Physics2DServer::get_singleton()->body_set_param(q.static_body,Physics2DServer::BODY_PARAM_BOUNCE,bounce);
 
-	if (is_inside_scene()) {
+	if (is_inside_tree()) {
 		xform = get_global_transform() * xform;
 		RID space = get_world_2d()->get_space();
 		Physics2DServer::get_singleton()->body_set_space(q.static_body,space);
@@ -379,7 +379,7 @@ void TileMap::_make_quadrant_dirty(Map<PosKey,Quadrant>::Element *Q) {
 	if (pending_update)
 		return;
 	pending_update=true;
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 	call_deferred("_update_dirty_quadrants");
 }
diff --git a/scene/2d/visibility_notifier_2d.cpp b/scene/2d/visibility_notifier_2d.cpp
index e5eb193f6f..22534eeb0e 100644
--- a/scene/2d/visibility_notifier_2d.cpp
+++ b/scene/2d/visibility_notifier_2d.cpp
@@ -64,7 +64,7 @@ void VisibilityNotifier2D::_exit_viewport(Viewport* p_viewport){
 void VisibilityNotifier2D::set_rect(const Rect2& p_rect){
 
 	rect=p_rect;
-	if (is_inside_scene())
+	if (is_inside_tree())
 		get_world_2d()->_update_notifier(this,get_global_transform().xform(rect));
 
 	_change_notify("rect");
@@ -85,7 +85,7 @@ void VisibilityNotifier2D::_notification(int p_what) {
 
 
 	switch(p_what) {
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			//get_world_2d()->
 			get_world_2d()->_register_notifier(this,get_global_transform().xform(rect));
@@ -97,12 +97,12 @@ void VisibilityNotifier2D::_notification(int p_what) {
 		} break;
 		case NOTIFICATION_DRAW: {
 
-			if (get_scene()->is_editor_hint()) {
+			if (get_tree()->is_editor_hint()) {
 
 				draw_rect(rect,Color(1,0.5,1,0.2));
 			}
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			get_world_2d()->_remove_notifier(this);
 		} break;
@@ -190,7 +190,7 @@ void VisibilityEnabler2D::_find_nodes(Node* p_node) {
 
 	if (add) {
 
-		p_node->connect(SceneStringNames::get_singleton()->exit_scene,this,"_node_removed",varray(p_node),CONNECT_ONESHOT);
+		p_node->connect(SceneStringNames::get_singleton()->exit_tree,this,"_node_removed",varray(p_node),CONNECT_ONESHOT);
 		nodes[p_node]=meta;
 		_change_node_state(p_node,false);
 	}
@@ -207,9 +207,9 @@ void VisibilityEnabler2D::_find_nodes(Node* p_node) {
 
 void VisibilityEnabler2D::_notification(int p_what){
 
-	if (p_what==NOTIFICATION_ENTER_SCENE) {
+	if (p_what==NOTIFICATION_ENTER_TREE) {
 
-		if (get_scene()->is_editor_hint())
+		if (get_tree()->is_editor_hint())
 			return;
 
 
@@ -222,9 +222,9 @@ void VisibilityEnabler2D::_notification(int p_what){
 
 	}
 
-	if (p_what==NOTIFICATION_EXIT_SCENE) {
+	if (p_what==NOTIFICATION_EXIT_TREE) {
 
-		if (get_scene()->is_editor_hint())
+		if (get_tree()->is_editor_hint())
 			return;
 
 
@@ -235,7 +235,7 @@ void VisibilityEnabler2D::_notification(int p_what){
 
 			if (!visible)
 				_change_node_state(E->key(),true);
-			E->key()->disconnect(SceneStringNames::get_singleton()->exit_scene,this,"_node_removed");
+			E->key()->disconnect(SceneStringNames::get_singleton()->exit_tree,this,"_node_removed");
 		}
 
 		nodes.clear();
diff --git a/scene/3d/area.cpp b/scene/3d/area.cpp
index 7370c36eb7..407747fc0d 100644
--- a/scene/3d/area.cpp
+++ b/scene/3d/area.cpp
@@ -94,7 +94,7 @@ real_t Area::get_priority() const{
 }
 
 
-void Area::_body_enter_scene(ObjectID p_id) {
+void Area::_body_enter_tree(ObjectID p_id) {
 
 	Object *obj = ObjectDB::get_instance(p_id);
 	Node *node = obj ? obj->cast_to<Node>() : NULL;
@@ -102,9 +102,9 @@ void Area::_body_enter_scene(ObjectID p_id) {
 
 	Map<ObjectID,BodyState>::Element *E=body_map.find(p_id);
 	ERR_FAIL_COND(!E);
-	ERR_FAIL_COND(E->get().in_scene);
+	ERR_FAIL_COND(E->get().in_tree);
 
-	E->get().in_scene=true;
+	E->get().in_tree=true;
 	emit_signal(SceneStringNames::get_singleton()->body_enter,node);
 	for(int i=0;i<E->get().shapes.size();i++) {
 
@@ -113,15 +113,15 @@ void Area::_body_enter_scene(ObjectID p_id) {
 
 }
 
-void Area::_body_exit_scene(ObjectID p_id) {
+void Area::_body_exit_tree(ObjectID p_id) {
 
 	Object *obj = ObjectDB::get_instance(p_id);
 	Node *node = obj ? obj->cast_to<Node>() : NULL;
 	ERR_FAIL_COND(!node);
 	Map<ObjectID,BodyState>::Element *E=body_map.find(p_id);
 	ERR_FAIL_COND(!E);
-	ERR_FAIL_COND(!E->get().in_scene);
-	E->get().in_scene=false;
+	ERR_FAIL_COND(!E->get().in_tree);
+	E->get().in_tree=false;
 	emit_signal(SceneStringNames::get_singleton()->body_exit,node);
 	for(int i=0;i<E->get().shapes.size();i++) {
 
@@ -147,11 +147,11 @@ void Area::_body_inout(int p_status,const RID& p_body, int p_instance, int p_bod
 
 			E = body_map.insert(objid,BodyState());
 			E->get().rc=0;
-			E->get().in_scene=node && node->is_inside_scene();
+			E->get().in_tree=node && node->is_inside_tree();
 			if (node) {
-				node->connect(SceneStringNames::get_singleton()->enter_scene,this,SceneStringNames::get_singleton()->_body_enter_scene,make_binds(objid));
-				node->connect(SceneStringNames::get_singleton()->exit_scene,this,SceneStringNames::get_singleton()->_body_exit_scene,make_binds(objid));
-				if (E->get().in_scene) {
+				node->connect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_body_enter_tree,make_binds(objid));
+				node->connect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_body_exit_tree,make_binds(objid));
+				if (E->get().in_tree) {
 					emit_signal(SceneStringNames::get_singleton()->body_enter,node);
 				}
 			}
@@ -162,7 +162,7 @@ void Area::_body_inout(int p_status,const RID& p_body, int p_instance, int p_bod
 			E->get().shapes.insert(ShapePair(p_body_shape,p_area_shape));
 
 
-		if (E->get().in_scene) {
+		if (E->get().in_tree) {
 			emit_signal(SceneStringNames::get_singleton()->body_enter_shape,objid,node,p_body_shape,p_area_shape);
 		}
 
@@ -178,9 +178,9 @@ void Area::_body_inout(int p_status,const RID& p_body, int p_instance, int p_bod
 		if (E->get().rc==0) {
 
 			if (node) {
-				node->disconnect(SceneStringNames::get_singleton()->enter_scene,this,SceneStringNames::get_singleton()->_body_enter_scene);
-				node->disconnect(SceneStringNames::get_singleton()->exit_scene,this,SceneStringNames::get_singleton()->_body_exit_scene);
-				if (E->get().in_scene)
+				node->disconnect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_body_enter_tree);
+				node->disconnect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_body_exit_tree);
+				if (E->get().in_tree)
 					emit_signal(SceneStringNames::get_singleton()->body_exit,obj);
 
 			}
@@ -188,7 +188,7 @@ void Area::_body_inout(int p_status,const RID& p_body, int p_instance, int p_bod
 			eraseit=true;
 
 		}
-		if (node && E->get().in_scene) {
+		if (node && E->get().in_tree) {
 			emit_signal(SceneStringNames::get_singleton()->body_exit_shape,objid,obj,p_body_shape,p_area_shape);
 		}
 
@@ -211,7 +211,7 @@ void Area::_clear_monitoring() {
 		Object *obj = ObjectDB::get_instance(E->key());
 		Node *node = obj ? obj->cast_to<Node>() : NULL;
 		ERR_CONTINUE(!node);
-		if (!E->get().in_scene)
+		if (!E->get().in_tree)
 			continue;
 
 		for(int i=0;i<E->get().shapes.size();i++) {
@@ -221,14 +221,14 @@ void Area::_clear_monitoring() {
 
 		emit_signal(SceneStringNames::get_singleton()->body_exit,obj);
 
-		node->disconnect(SceneStringNames::get_singleton()->enter_scene,this,SceneStringNames::get_singleton()->_body_enter_scene);
-		node->disconnect(SceneStringNames::get_singleton()->exit_scene,this,SceneStringNames::get_singleton()->_body_exit_scene);
+		node->disconnect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_body_enter_tree);
+		node->disconnect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_body_exit_tree);
 	}
 
 }
 void Area::_notification(int p_what) {
 
-	if (p_what==NOTIFICATION_EXIT_SCENE) {
+	if (p_what==NOTIFICATION_EXIT_TREE) {
 		_clear_monitoring();
 	}
 }
@@ -258,8 +258,8 @@ bool Area::is_monitoring_enabled() const {
 
 void Area::_bind_methods() {
 
-	ObjectTypeDB::bind_method(_MD("_body_enter_scene","id"),&Area::_body_enter_scene);
-	ObjectTypeDB::bind_method(_MD("_body_exit_scene","id"),&Area::_body_exit_scene);
+	ObjectTypeDB::bind_method(_MD("_body_enter_tree","id"),&Area::_body_enter_tree);
+	ObjectTypeDB::bind_method(_MD("_body_exit_tree","id"),&Area::_body_exit_tree);
 
 	ObjectTypeDB::bind_method(_MD("set_space_override_mode","enable"),&Area::set_space_override_mode);
 	ObjectTypeDB::bind_method(_MD("get_space_override_mode"),&Area::get_space_override_mode);
diff --git a/scene/3d/area.h b/scene/3d/area.h
index 5558e2c719..96b8585338 100644
--- a/scene/3d/area.h
+++ b/scene/3d/area.h
@@ -56,8 +56,8 @@ private:
 
 	void _body_inout(int p_status,const RID& p_body, int p_instance, int p_body_shape,int p_area_shape);
 
-	void _body_enter_scene(ObjectID p_id);
-	void _body_exit_scene(ObjectID p_id);
+	void _body_enter_tree(ObjectID p_id);
+	void _body_exit_tree(ObjectID p_id);
 
 	struct ShapePair {
 
@@ -77,7 +77,7 @@ private:
 	struct BodyState {
 
 		int rc;
-		bool in_scene;
+		bool in_tree;
 		VSet<ShapePair> shapes;
 	};
 
diff --git a/scene/3d/body_shape.cpp b/scene/3d/body_shape.cpp
index 947acc6549..287515dce7 100644
--- a/scene/3d/body_shape.cpp
+++ b/scene/3d/body_shape.cpp
@@ -320,7 +320,7 @@ void CollisionShape::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 			unparenting=false;
 
 			//indicator_instance = VisualServer::get_singleton()->instance_create2(indicator,get_world()->get_scenario());
@@ -331,7 +331,7 @@ void CollisionShape::_notification(int p_what) {
 				_update_body();
 			}
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 		/*	if (indicator_instance.is_valid()) {
 				VisualServer::get_singleton()->free(indicator_instance);
 				indicator_instance=RID();
diff --git a/scene/3d/bone_attachment.cpp b/scene/3d/bone_attachment.cpp
index cbc4abb7a9..6bbb957d25 100644
--- a/scene/3d/bone_attachment.cpp
+++ b/scene/3d/bone_attachment.cpp
@@ -102,12 +102,12 @@ void BoneAttachment::_check_unbind() {
 
 void BoneAttachment::set_bone_name(const String& p_name) {
 
-	if (is_inside_scene())
+	if (is_inside_tree())
 		_check_unbind();
 
 	bone_name=p_name;
 
-	if (is_inside_scene())
+	if (is_inside_tree())
 		_check_bind();
 }
 
@@ -120,11 +120,11 @@ void BoneAttachment::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			_check_bind();
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			_check_unbind();
 		} break;
diff --git a/scene/3d/camera.cpp b/scene/3d/camera.cpp
index ab28c0c8d4..933f270475 100644
--- a/scene/3d/camera.cpp
+++ b/scene/3d/camera.cpp
@@ -121,7 +121,7 @@ bool Camera::_get(const StringName& p_name,Variant &r_ret) const {
 		r_ret= int(keep_aspect);
 	else if (p_name=="current") {
 
-		if (is_inside_scene() && get_scene()->is_editor_hint()) {
+		if (is_inside_tree() && get_tree()->is_editor_hint()) {
 			r_ret=current;
 		} else {
 			r_ret=is_current();
@@ -182,7 +182,7 @@ void Camera::_update_camera() {
 //	if (viewport_ptr && is_inside_scene() && is_current())
 //		viewport_ptr->_camera_transform_changed_notify();
 
-	if (is_inside_scene() && is_current()) {
+	if (is_inside_tree() && is_current()) {
 		if (viewport_ptr) {
 			viewport_ptr->_camera_transform_changed_notify();
 		}
@@ -309,7 +309,7 @@ void Camera::make_current() {
 
 	current=true;
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	if (viewport_ptr) {
@@ -324,7 +324,7 @@ void Camera::_camera_make_next_current(Node *p_exclude) {
 
 	if (this==p_exclude)
 		return;
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 	if (get_viewport()->get_camera()!=NULL)
 		return;
@@ -336,14 +336,14 @@ void Camera::_camera_make_next_current(Node *p_exclude) {
 void Camera::clear_current() {
 
 	current=false;
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	if (viewport_ptr) {
 		if (viewport_ptr->get_camera()==this) {
 			viewport_ptr->_set_camera(NULL);
 			//a group is used beause this needs to be in order to be deterministic
-			get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,camera_group,"_camera_make_next_current",this);
+			get_tree()->call_group(SceneTree::GROUP_CALL_REALTIME,camera_group,"_camera_make_next_current",this);
 
 		}
 	}
@@ -352,7 +352,7 @@ void Camera::clear_current() {
 
 bool Camera::is_current() const {
 
-	if (is_inside_scene()) {
+	if (is_inside_tree()) {
 		if (viewport_ptr)
 			return viewport_ptr->get_camera()==this;
 	} else
@@ -462,9 +462,9 @@ Vector3 Camera::project_ray_normal(const Point2& p_pos) const {
 
 Vector3 Camera::project_local_ray_normal(const Point2& p_pos) const {
 
-	if (!is_inside_scene()) {
+	if (!is_inside_tree()) {
 		ERR_EXPLAIN("Camera is not inside scene.");
-		ERR_FAIL_COND_V(!is_inside_scene(),Vector3());
+		ERR_FAIL_COND_V(!is_inside_tree(),Vector3());
 	}
 
 
@@ -496,9 +496,9 @@ Vector3 Camera::project_local_ray_normal(const Point2& p_pos) const {
 
 Vector3 Camera::project_ray_origin(const Point2& p_pos) const {
 
-	if (!is_inside_scene()) {
+	if (!is_inside_tree()) {
 		ERR_EXPLAIN("Camera is not inside scene.");
-		ERR_FAIL_COND_V(!is_inside_scene(),Vector3());
+		ERR_FAIL_COND_V(!is_inside_tree(),Vector3());
 	}
 
 #if 0
@@ -540,9 +540,9 @@ Vector3 Camera::project_ray_origin(const Point2& p_pos) const {
 
 Point2 Camera::unproject_position(const Vector3& p_pos) const {
 
-	if (!is_inside_scene()) {
+	if (!is_inside_tree()) {
 		ERR_EXPLAIN("Camera is not inside scene.");
-		ERR_FAIL_COND_V(!is_inside_scene(),Vector2());
+		ERR_FAIL_COND_V(!is_inside_tree(),Vector2());
 	}
 
 	Size2 viewport_size = viewport_ptr->get_visible_rect().size;
@@ -571,9 +571,9 @@ Point2 Camera::unproject_position(const Vector3& p_pos) const {
 
 Vector3 Camera::project_position(const Point2& p_point) const {
 
-	if (!is_inside_scene()) {
+	if (!is_inside_tree()) {
 		ERR_EXPLAIN("Camera is not inside scene.");
-		ERR_FAIL_COND_V(!is_inside_scene(),Vector3());
+		ERR_FAIL_COND_V(!is_inside_tree(),Vector3());
 	}
 
 	Size2 viewport_size = viewport_ptr->get_visible_rect().size;
diff --git a/scene/3d/collision_object.cpp b/scene/3d/collision_object.cpp
index 47d29cec1c..82158405ea 100644
--- a/scene/3d/collision_object.cpp
+++ b/scene/3d/collision_object.cpp
@@ -199,9 +199,9 @@ void CollisionObject::_mouse_exit() {
 }
 
 void CollisionObject::_update_pickable() {
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
-	bool pickable = ray_pickable && is_inside_scene() && is_visible();
+	bool pickable = ray_pickable && is_inside_tree() && is_visible();
 	if (area)
 		PhysicsServer::get_singleton()->area_set_ray_pickable(rid,pickable);
 	else
diff --git a/scene/3d/collision_polygon.cpp b/scene/3d/collision_polygon.cpp
index 5a613f360a..4ab1a1a1ab 100644
--- a/scene/3d/collision_polygon.cpp
+++ b/scene/3d/collision_polygon.cpp
@@ -86,7 +86,7 @@ void CollisionPolygon::_notification(int p_what) {
 	switch(p_what) {
 		case NOTIFICATION_TRANSFORM_CHANGED: {
 
-			if (!is_inside_scene())
+			if (!is_inside_tree())
 				break;
 			_update_parent();
 
diff --git a/scene/3d/interpolated_camera.cpp b/scene/3d/interpolated_camera.cpp
index f795f935ae..2f35164f49 100644
--- a/scene/3d/interpolated_camera.cpp
+++ b/scene/3d/interpolated_camera.cpp
@@ -32,9 +32,9 @@
 void InterpolatedCamera::_notification(int p_what) {
 
 	switch(p_what) {
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
-			if (get_scene()->is_editor_hint() && enabled)
+			if (get_tree()->is_editor_hint() && enabled)
 				set_fixed_process(false);
 
 		} break;
@@ -109,7 +109,7 @@ void InterpolatedCamera::set_interpolation_enabled(bool p_enable) {
 		return;
 	enabled=p_enable;
 	if (p_enable) {
-		if (is_inside_scene() && get_scene()->is_editor_hint())
+		if (is_inside_tree() && get_tree()->is_editor_hint())
 			return;
 		set_process(true);
 	} else
diff --git a/scene/3d/light.cpp b/scene/3d/light.cpp
index e51a9764f6..9d959cb0d6 100644
--- a/scene/3d/light.cpp
+++ b/scene/3d/light.cpp
@@ -432,7 +432,7 @@ void Light::approximate_opengl_attenuation(float p_constant, float p_linear, flo
 
 void Light::_update_visibility() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 
@@ -440,10 +440,10 @@ bool editor_ok=true;
 
 #ifdef TOOLS_ENABLED
 	if (editor_only) {
-		if (!get_scene()->is_editor_hint()) {
+		if (!get_tree()->is_editor_hint()) {
 			editor_ok=false;
 		} else {
-			editor_ok = (get_scene()->get_edited_scene_root() && (this==get_scene()->get_edited_scene_root() || get_owner()==get_scene()->get_edited_scene_root()));
+			editor_ok = (get_tree()->get_edited_scene_root() && (this==get_tree()->get_edited_scene_root() || get_owner()==get_tree()->get_edited_scene_root()));
 		}
 	}
 #endif
@@ -456,7 +456,7 @@ bool editor_ok=true;
 
 void Light::_notification(int p_what) {
 
-	if (p_what==NOTIFICATION_ENTER_SCENE || p_what==NOTIFICATION_VISIBILITY_CHANGED) {
+	if (p_what==NOTIFICATION_ENTER_TREE || p_what==NOTIFICATION_VISIBILITY_CHANGED) {
 		_update_visibility();
 	}
 }
diff --git a/scene/3d/mesh_instance.cpp b/scene/3d/mesh_instance.cpp
index 72d63fa006..d7266e5df7 100644
--- a/scene/3d/mesh_instance.cpp
+++ b/scene/3d/mesh_instance.cpp
@@ -126,7 +126,7 @@ void MeshInstance::_resolve_skeleton_path(){
 void MeshInstance::set_skeleton_path(const NodePath &p_skeleton) {
 
 	skeleton_path = p_skeleton;
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 	_resolve_skeleton_path();
 }
@@ -226,7 +226,7 @@ void MeshInstance::create_convex_collision() {
 
 void MeshInstance::_notification(int p_what) {
 
-	if (p_what==NOTIFICATION_ENTER_SCENE) {
+	if (p_what==NOTIFICATION_ENTER_TREE) {
 		_resolve_skeleton_path();
 	}
 }
diff --git a/scene/3d/navigation_mesh.cpp b/scene/3d/navigation_mesh.cpp
index db416f24dd..8c52d4c35c 100644
--- a/scene/3d/navigation_mesh.cpp
+++ b/scene/3d/navigation_mesh.cpp
@@ -114,7 +114,7 @@ void NavigationMeshInstance::set_enabled(bool p_enabled) {
 		return;
 	enabled=p_enabled;
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	if (!enabled) {
@@ -152,7 +152,7 @@ void NavigationMeshInstance::_notification(int p_what) {
 
 
 	switch(p_what) {
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			Spatial *c=this;
 			while(c) {
@@ -178,7 +178,7 @@ void NavigationMeshInstance::_notification(int p_what) {
 			}
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			if (navigation) {
 
diff --git a/scene/3d/path.cpp b/scene/3d/path.cpp
index bc5cb1c4a2..8be918fc22 100644
--- a/scene/3d/path.cpp
+++ b/scene/3d/path.cpp
@@ -26,363 +26,363 @@
 /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
-#include "path.h"
-#include "scene/scene_string_names.h"
-
-void Path::_notification(int p_what) {
-#if 0
-	if (p_what==NOTIFICATION_DRAW && curve.is_valid() && is_inside_scene() && get_scene()->is_editor_hint()) {
-		//draw the curve!!
-
-		for(int i=0;i<curve->get_point_count();i++) {
-
-			Vector2 prev_p=curve->get_point_pos(i);
-
-			for(int j=1;j<=8;j++) {
-
-				real_t frac = j/8.0;
-				Vector2 p = curve->interpolate(i,frac);
-				draw_line(prev_p,p,Color(0.5,0.6,1.0,0.7),2);
-				prev_p=p;
-			}
-		}
-	}
-#endif
-}
-
-void Path::_curve_changed() {
-
-
-	if (is_inside_scene() && get_scene()->is_editor_hint())
-		update_gizmo();
-}
-
-
-void Path::set_curve(const Ref<Curve3D>& p_curve) {
-
-	if (curve.is_valid()) {
-		curve->disconnect("changed",this,"_curve_changed");
-	}
-
-	curve=p_curve;
-
-	if (curve.is_valid()) {
-		curve->connect("changed",this,"_curve_changed");
-	}
-	_curve_changed();
-
-}
-
-Ref<Curve3D> Path::get_curve() const{
-
-	return curve;
-}
-
-void Path::_bind_methods() {
-
-	ObjectTypeDB::bind_method(_MD("set_curve","curve:Curve3D"),&Path::set_curve);
-	ObjectTypeDB::bind_method(_MD("get_curve:Curve3D","curve"),&Path::get_curve);
-	ObjectTypeDB::bind_method(_MD("_curve_changed"),&Path::_curve_changed);
-
-	ADD_PROPERTY( PropertyInfo( Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve3D"), _SCS("set_curve"),_SCS("get_curve"));
-}
-
-Path::Path() {
-
-	set_curve(Ref<Curve3D>( memnew( Curve3D ))); //create one by default
-}
-
-
-//////////////
-
-
-void PathFollow::_update_transform() {
-
-
-	if (!path)
-		return;
-
-	Ref<Curve3D> c =path->get_curve();
-	if (!c.is_valid())
-		return;
-
-
-	float o = offset;
-	if (loop)
-		o=Math::fposmod(o,c->get_baked_length());
-
-	Vector3 pos = c->interpolate_baked(o,cubic);
-	Transform t=get_transform();
-
-
-	if (rotation_mode!=ROTATION_NONE) {
-
-		Vector3 n = (c->interpolate_baked(o+lookahead,cubic)-pos).normalized();
-
-		if (rotation_mode==ROTATION_Y) {
-
-			n.y=0;
-			n.normalize();
-		}
-
-		if (n.length()<CMP_EPSILON) {//nothing, use previous
-			n=-t.get_basis().get_axis(2).normalized();
-		}
-
-
-		Vector3 up = Vector3(0,1,0);
-
-		if (rotation_mode==ROTATION_XYZ) {
-
-			float tilt = c->interpolate_baked_tilt(o);
-			if (tilt!=0) {
-
-				Matrix3 rot(-n,tilt); //remember.. lookat will be znegative.. znegative!! we abide by opengl clan.
-				up=rot.xform(up);
-			}
-		}
-
-		t.set_look_at(pos,pos+n,up);
-
-	} else {
-
-		t.origin=pos;
-	}
-
-	t.origin+=t.basis.get_axis(0)*h_offset + t.basis.get_axis(1)*v_offset;
-	set_transform(t);
-
-}
-
-void PathFollow::_notification(int p_what) {
-
-
-	switch(p_what) {
-
-		case NOTIFICATION_ENTER_SCENE: {
-
-			Node *parent=get_parent();
-			if (parent) {
-
-				path=parent->cast_to<Path>();
-				if (path) {
-					_update_transform();
-				}
-			}
-
-		} break;
-		case NOTIFICATION_EXIT_SCENE: {
-
-
-			path=NULL;
-		} break;
-	}
-
-}
-
-void PathFollow::set_cubic_interpolation(bool p_enable) {
-
-	cubic=p_enable;
-}
-
-bool PathFollow::get_cubic_interpolation() const {
-
-	return cubic;
-}
-
-
-bool PathFollow::_set(const StringName& p_name, const Variant& p_value) {
-
-	if (p_name==SceneStringNames::get_singleton()->offset) {
-		set_offset(p_value);
-	} else if (p_name==SceneStringNames::get_singleton()->unit_offset) {
-		set_unit_offset(p_value);
-	} else if (p_name==SceneStringNames::get_singleton()->rotation_mode) {
-		set_rotation_mode(RotationMode(p_value.operator int()));
-	} else if (p_name==SceneStringNames::get_singleton()->v_offset) {
-		set_v_offset(p_value);
-	} else if (p_name==SceneStringNames::get_singleton()->h_offset) {
-		set_h_offset(p_value);
-	} else if (String(p_name)=="cubic_interp") {
-		set_cubic_interpolation(p_value);
-	} else if (String(p_name)=="loop") {
-		set_loop(p_value);
-	} else if (String(p_name)=="lookahead") {
-		set_lookahead(p_value);
-	} else
-		return false;
-
-	return true;
-}
-
-bool PathFollow::_get(const StringName& p_name,Variant &r_ret) const{
-
-	if (p_name==SceneStringNames::get_singleton()->offset) {
-		r_ret=get_offset();
-	} else if (p_name==SceneStringNames::get_singleton()->unit_offset) {
-		r_ret=get_unit_offset();
-	} else if (p_name==SceneStringNames::get_singleton()->rotation_mode) {
-		r_ret=get_rotation_mode();
-	} else if (p_name==SceneStringNames::get_singleton()->v_offset) {
-		r_ret=get_v_offset();
-	} else if (p_name==SceneStringNames::get_singleton()->h_offset) {
-		r_ret=get_h_offset();
-	} else if (String(p_name)=="cubic_interp") {
-		r_ret=cubic;
-	} else if (String(p_name)=="loop") {
-		r_ret=loop;
-	} else if (String(p_name)=="lookahead") {
-		r_ret=lookahead;
-	} else
-		return false;
-
-	return true;
-
-}
-void PathFollow::_get_property_list( List<PropertyInfo> *p_list) const{
-
-	float max=10000;
-	if (path && path->get_curve().is_valid())
-		max=path->get_curve()->get_baked_length();
-	p_list->push_back( PropertyInfo( Variant::REAL, "offset", PROPERTY_HINT_RANGE,"0,"+rtos(max)+",0.01"));
-	p_list->push_back( PropertyInfo( Variant::REAL, "unit_offset", PROPERTY_HINT_RANGE,"0,1,0.0001",PROPERTY_USAGE_EDITOR));
-	p_list->push_back( PropertyInfo( Variant::REAL, "h_offset") );
-	p_list->push_back( PropertyInfo( Variant::REAL, "v_offset") );
-	p_list->push_back( PropertyInfo( Variant::INT, "rotation_mode", PROPERTY_HINT_ENUM,"None,Y,XY,XYZ"));
-	p_list->push_back( PropertyInfo( Variant::BOOL, "cubic_interp"));
-	p_list->push_back( PropertyInfo( Variant::BOOL, "loop"));
-	p_list->push_back( PropertyInfo( Variant::REAL, "lookahead",PROPERTY_HINT_RANGE,"0.001,1024.0,0.001"));
-}
-
-
-void PathFollow::_bind_methods() {
-
-	ObjectTypeDB::bind_method(_MD("set_offset","offset"),&PathFollow::set_offset);
-	ObjectTypeDB::bind_method(_MD("get_offset"),&PathFollow::get_offset);
-
-	ObjectTypeDB::bind_method(_MD("set_h_offset","h_offset"),&PathFollow::set_h_offset);
-	ObjectTypeDB::bind_method(_MD("get_h_offset"),&PathFollow::get_h_offset);
-
-	ObjectTypeDB::bind_method(_MD("set_v_offset","v_offset"),&PathFollow::set_v_offset);
-	ObjectTypeDB::bind_method(_MD("get_v_offset"),&PathFollow::get_v_offset);
-
-	ObjectTypeDB::bind_method(_MD("set_unit_offset","unit_offset"),&PathFollow::set_unit_offset);
-	ObjectTypeDB::bind_method(_MD("get_unit_offset"),&PathFollow::get_unit_offset);
-
-	ObjectTypeDB::bind_method(_MD("set_rotation_mode","rotation_mode"),&PathFollow::set_rotation_mode);
-	ObjectTypeDB::bind_method(_MD("get_rotation_mode"),&PathFollow::get_rotation_mode);
-
-	ObjectTypeDB::bind_method(_MD("set_cubic_interpolation","enable"),&PathFollow::set_cubic_interpolation);
-	ObjectTypeDB::bind_method(_MD("get_cubic_interpolation"),&PathFollow::get_cubic_interpolation);
-
-	ObjectTypeDB::bind_method(_MD("set_loop","loop"),&PathFollow::set_loop);
-	ObjectTypeDB::bind_method(_MD("has_loop"),&PathFollow::has_loop);
-
-	BIND_CONSTANT( ROTATION_NONE );
-	BIND_CONSTANT( ROTATION_Y );
-	BIND_CONSTANT( ROTATION_XY );
-	BIND_CONSTANT( ROTATION_XYZ );
-
-}
-
-void PathFollow::set_offset(float p_offset) {
-
-	offset=p_offset;
-	if (path)
-		_update_transform();
-	_change_notify("offset");
-	_change_notify("unit_offset");
-
-}
-
-void PathFollow::set_h_offset(float p_h_offset) {
-
-	h_offset=p_h_offset;
-	if (path)
-		_update_transform();
-
-}
-
-float PathFollow::get_h_offset() const {
-
-	return h_offset;
-}
-
-void PathFollow::set_v_offset(float p_v_offset) {
-
-	v_offset=p_v_offset;
-	if (path)
-		_update_transform();
-
-}
-
-float PathFollow::get_v_offset() const {
-
-	return v_offset;
-}
-
-
-float PathFollow::get_offset() const{
-
-	return offset;
-}
-
-void PathFollow::set_unit_offset(float p_unit_offset) {
-
-	if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length())
-		set_offset(p_unit_offset*path->get_curve()->get_baked_length());
-
-}
-
-float PathFollow::get_unit_offset() const{
-
-	if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length())
-		return get_offset()/path->get_curve()->get_baked_length();
-	else
-		return 0;
-}
-
-void PathFollow::set_lookahead(float p_lookahead) {
-
-	lookahead=p_lookahead;
-
-}
-
-float PathFollow::get_lookahead() const{
-
-	return lookahead;
-}
-
-void PathFollow::set_rotation_mode(RotationMode p_rotation_mode) {
-
-	rotation_mode=p_rotation_mode;
-	_update_transform();
-}
-
-PathFollow::RotationMode PathFollow::get_rotation_mode() const {
-
-	return rotation_mode;
-}
-
-void PathFollow::set_loop(bool p_loop) {
-
-	loop=p_loop;
-}
-
-bool PathFollow::has_loop() const{
-
-	return loop;
-}
-
-
-PathFollow::PathFollow() {
-
-	offset=0;
-	h_offset=0;
-	v_offset=0;
-	path=NULL;
-	rotation_mode=ROTATION_XYZ;
-	cubic=true;
-	loop=true;
-	lookahead=0.1;
-}
+#include "path.h"
+#include "scene/scene_string_names.h"
+
+void Path::_notification(int p_what) {
+#if 0
+	if (p_what==NOTIFICATION_DRAW && curve.is_valid() && is_inside_scene() && get_scene()->is_editor_hint()) {
+		//draw the curve!!
+
+		for(int i=0;i<curve->get_point_count();i++) {
+
+			Vector2 prev_p=curve->get_point_pos(i);
+
+			for(int j=1;j<=8;j++) {
+
+				real_t frac = j/8.0;
+				Vector2 p = curve->interpolate(i,frac);
+				draw_line(prev_p,p,Color(0.5,0.6,1.0,0.7),2);
+				prev_p=p;
+			}
+		}
+	}
+#endif
+}
+
+void Path::_curve_changed() {
+
+
+	if (is_inside_tree() && get_tree()->is_editor_hint())
+		update_gizmo();
+}
+
+
+void Path::set_curve(const Ref<Curve3D>& p_curve) {
+
+	if (curve.is_valid()) {
+		curve->disconnect("changed",this,"_curve_changed");
+	}
+
+	curve=p_curve;
+
+	if (curve.is_valid()) {
+		curve->connect("changed",this,"_curve_changed");
+	}
+	_curve_changed();
+
+}
+
+Ref<Curve3D> Path::get_curve() const{
+
+	return curve;
+}
+
+void Path::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("set_curve","curve:Curve3D"),&Path::set_curve);
+	ObjectTypeDB::bind_method(_MD("get_curve:Curve3D","curve"),&Path::get_curve);
+	ObjectTypeDB::bind_method(_MD("_curve_changed"),&Path::_curve_changed);
+
+	ADD_PROPERTY( PropertyInfo( Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve3D"), _SCS("set_curve"),_SCS("get_curve"));
+}
+
+Path::Path() {
+
+	set_curve(Ref<Curve3D>( memnew( Curve3D ))); //create one by default
+}
+
+
+//////////////
+
+
+void PathFollow::_update_transform() {
+
+
+	if (!path)
+		return;
+
+	Ref<Curve3D> c =path->get_curve();
+	if (!c.is_valid())
+		return;
+
+
+	float o = offset;
+	if (loop)
+		o=Math::fposmod(o,c->get_baked_length());
+
+	Vector3 pos = c->interpolate_baked(o,cubic);
+	Transform t=get_transform();
+
+
+	if (rotation_mode!=ROTATION_NONE) {
+
+		Vector3 n = (c->interpolate_baked(o+lookahead,cubic)-pos).normalized();
+
+		if (rotation_mode==ROTATION_Y) {
+
+			n.y=0;
+			n.normalize();
+		}
+
+		if (n.length()<CMP_EPSILON) {//nothing, use previous
+			n=-t.get_basis().get_axis(2).normalized();
+		}
+
+
+		Vector3 up = Vector3(0,1,0);
+
+		if (rotation_mode==ROTATION_XYZ) {
+
+			float tilt = c->interpolate_baked_tilt(o);
+			if (tilt!=0) {
+
+				Matrix3 rot(-n,tilt); //remember.. lookat will be znegative.. znegative!! we abide by opengl clan.
+				up=rot.xform(up);
+			}
+		}
+
+		t.set_look_at(pos,pos+n,up);
+
+	} else {
+
+		t.origin=pos;
+	}
+
+	t.origin+=t.basis.get_axis(0)*h_offset + t.basis.get_axis(1)*v_offset;
+	set_transform(t);
+
+}
+
+void PathFollow::_notification(int p_what) {
+
+
+	switch(p_what) {
+
+		case NOTIFICATION_ENTER_TREE: {
+
+			Node *parent=get_parent();
+			if (parent) {
+
+				path=parent->cast_to<Path>();
+				if (path) {
+					_update_transform();
+				}
+			}
+
+		} break;
+		case NOTIFICATION_EXIT_TREE: {
+
+
+			path=NULL;
+		} break;
+	}
+
+}
+
+void PathFollow::set_cubic_interpolation(bool p_enable) {
+
+	cubic=p_enable;
+}
+
+bool PathFollow::get_cubic_interpolation() const {
+
+	return cubic;
+}
+
+
+bool PathFollow::_set(const StringName& p_name, const Variant& p_value) {
+
+	if (p_name==SceneStringNames::get_singleton()->offset) {
+		set_offset(p_value);
+	} else if (p_name==SceneStringNames::get_singleton()->unit_offset) {
+		set_unit_offset(p_value);
+	} else if (p_name==SceneStringNames::get_singleton()->rotation_mode) {
+		set_rotation_mode(RotationMode(p_value.operator int()));
+	} else if (p_name==SceneStringNames::get_singleton()->v_offset) {
+		set_v_offset(p_value);
+	} else if (p_name==SceneStringNames::get_singleton()->h_offset) {
+		set_h_offset(p_value);
+	} else if (String(p_name)=="cubic_interp") {
+		set_cubic_interpolation(p_value);
+	} else if (String(p_name)=="loop") {
+		set_loop(p_value);
+	} else if (String(p_name)=="lookahead") {
+		set_lookahead(p_value);
+	} else
+		return false;
+
+	return true;
+}
+
+bool PathFollow::_get(const StringName& p_name,Variant &r_ret) const{
+
+	if (p_name==SceneStringNames::get_singleton()->offset) {
+		r_ret=get_offset();
+	} else if (p_name==SceneStringNames::get_singleton()->unit_offset) {
+		r_ret=get_unit_offset();
+	} else if (p_name==SceneStringNames::get_singleton()->rotation_mode) {
+		r_ret=get_rotation_mode();
+	} else if (p_name==SceneStringNames::get_singleton()->v_offset) {
+		r_ret=get_v_offset();
+	} else if (p_name==SceneStringNames::get_singleton()->h_offset) {
+		r_ret=get_h_offset();
+	} else if (String(p_name)=="cubic_interp") {
+		r_ret=cubic;
+	} else if (String(p_name)=="loop") {
+		r_ret=loop;
+	} else if (String(p_name)=="lookahead") {
+		r_ret=lookahead;
+	} else
+		return false;
+
+	return true;
+
+}
+void PathFollow::_get_property_list( List<PropertyInfo> *p_list) const{
+
+	float max=10000;
+	if (path && path->get_curve().is_valid())
+		max=path->get_curve()->get_baked_length();
+	p_list->push_back( PropertyInfo( Variant::REAL, "offset", PROPERTY_HINT_RANGE,"0,"+rtos(max)+",0.01"));
+	p_list->push_back( PropertyInfo( Variant::REAL, "unit_offset", PROPERTY_HINT_RANGE,"0,1,0.0001",PROPERTY_USAGE_EDITOR));
+	p_list->push_back( PropertyInfo( Variant::REAL, "h_offset") );
+	p_list->push_back( PropertyInfo( Variant::REAL, "v_offset") );
+	p_list->push_back( PropertyInfo( Variant::INT, "rotation_mode", PROPERTY_HINT_ENUM,"None,Y,XY,XYZ"));
+	p_list->push_back( PropertyInfo( Variant::BOOL, "cubic_interp"));
+	p_list->push_back( PropertyInfo( Variant::BOOL, "loop"));
+	p_list->push_back( PropertyInfo( Variant::REAL, "lookahead",PROPERTY_HINT_RANGE,"0.001,1024.0,0.001"));
+}
+
+
+void PathFollow::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("set_offset","offset"),&PathFollow::set_offset);
+	ObjectTypeDB::bind_method(_MD("get_offset"),&PathFollow::get_offset);
+
+	ObjectTypeDB::bind_method(_MD("set_h_offset","h_offset"),&PathFollow::set_h_offset);
+	ObjectTypeDB::bind_method(_MD("get_h_offset"),&PathFollow::get_h_offset);
+
+	ObjectTypeDB::bind_method(_MD("set_v_offset","v_offset"),&PathFollow::set_v_offset);
+	ObjectTypeDB::bind_method(_MD("get_v_offset"),&PathFollow::get_v_offset);
+
+	ObjectTypeDB::bind_method(_MD("set_unit_offset","unit_offset"),&PathFollow::set_unit_offset);
+	ObjectTypeDB::bind_method(_MD("get_unit_offset"),&PathFollow::get_unit_offset);
+
+	ObjectTypeDB::bind_method(_MD("set_rotation_mode","rotation_mode"),&PathFollow::set_rotation_mode);
+	ObjectTypeDB::bind_method(_MD("get_rotation_mode"),&PathFollow::get_rotation_mode);
+
+	ObjectTypeDB::bind_method(_MD("set_cubic_interpolation","enable"),&PathFollow::set_cubic_interpolation);
+	ObjectTypeDB::bind_method(_MD("get_cubic_interpolation"),&PathFollow::get_cubic_interpolation);
+
+	ObjectTypeDB::bind_method(_MD("set_loop","loop"),&PathFollow::set_loop);
+	ObjectTypeDB::bind_method(_MD("has_loop"),&PathFollow::has_loop);
+
+	BIND_CONSTANT( ROTATION_NONE );
+	BIND_CONSTANT( ROTATION_Y );
+	BIND_CONSTANT( ROTATION_XY );
+	BIND_CONSTANT( ROTATION_XYZ );
+
+}
+
+void PathFollow::set_offset(float p_offset) {
+
+	offset=p_offset;
+	if (path)
+		_update_transform();
+	_change_notify("offset");
+	_change_notify("unit_offset");
+
+}
+
+void PathFollow::set_h_offset(float p_h_offset) {
+
+	h_offset=p_h_offset;
+	if (path)
+		_update_transform();
+
+}
+
+float PathFollow::get_h_offset() const {
+
+	return h_offset;
+}
+
+void PathFollow::set_v_offset(float p_v_offset) {
+
+	v_offset=p_v_offset;
+	if (path)
+		_update_transform();
+
+}
+
+float PathFollow::get_v_offset() const {
+
+	return v_offset;
+}
+
+
+float PathFollow::get_offset() const{
+
+	return offset;
+}
+
+void PathFollow::set_unit_offset(float p_unit_offset) {
+
+	if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length())
+		set_offset(p_unit_offset*path->get_curve()->get_baked_length());
+
+}
+
+float PathFollow::get_unit_offset() const{
+
+	if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length())
+		return get_offset()/path->get_curve()->get_baked_length();
+	else
+		return 0;
+}
+
+void PathFollow::set_lookahead(float p_lookahead) {
+
+	lookahead=p_lookahead;
+
+}
+
+float PathFollow::get_lookahead() const{
+
+	return lookahead;
+}
+
+void PathFollow::set_rotation_mode(RotationMode p_rotation_mode) {
+
+	rotation_mode=p_rotation_mode;
+	_update_transform();
+}
+
+PathFollow::RotationMode PathFollow::get_rotation_mode() const {
+
+	return rotation_mode;
+}
+
+void PathFollow::set_loop(bool p_loop) {
+
+	loop=p_loop;
+}
+
+bool PathFollow::has_loop() const{
+
+	return loop;
+}
+
+
+PathFollow::PathFollow() {
+
+	offset=0;
+	h_offset=0;
+	v_offset=0;
+	path=NULL;
+	rotation_mode=ROTATION_XYZ;
+	cubic=true;
+	loop=true;
+	lookahead=0.1;
+}
diff --git a/scene/3d/physics_body.cpp b/scene/3d/physics_body.cpp
index 15ec60514a..a80fdce64c 100644
--- a/scene/3d/physics_body.cpp
+++ b/scene/3d/physics_body.cpp
@@ -193,7 +193,7 @@ StaticBody::~StaticBody() {
 
 
 
-void RigidBody::_body_enter_scene(ObjectID p_id) {
+void RigidBody::_body_enter_tree(ObjectID p_id) {
 
 	Object *obj = ObjectDB::get_instance(p_id);
 	Node *node = obj ? obj->cast_to<Node>() : NULL;
@@ -201,9 +201,9 @@ void RigidBody::_body_enter_scene(ObjectID p_id) {
 
 	Map<ObjectID,BodyState>::Element *E=contact_monitor->body_map.find(p_id);
 	ERR_FAIL_COND(!E);
-	ERR_FAIL_COND(E->get().in_scene);
+	ERR_FAIL_COND(E->get().in_tree);
 
-	E->get().in_scene=true;
+	E->get().in_tree=true;
 	emit_signal(SceneStringNames::get_singleton()->body_enter,node);
 
 	for(int i=0;i<E->get().shapes.size();i++) {
@@ -213,15 +213,15 @@ void RigidBody::_body_enter_scene(ObjectID p_id) {
 
 }
 
-void RigidBody::_body_exit_scene(ObjectID p_id) {
+void RigidBody::_body_exit_tree(ObjectID p_id) {
 
 	Object *obj = ObjectDB::get_instance(p_id);
 	Node *node = obj ? obj->cast_to<Node>() : NULL;
 	ERR_FAIL_COND(!node);
 	Map<ObjectID,BodyState>::Element *E=contact_monitor->body_map.find(p_id);
 	ERR_FAIL_COND(!E);
-	ERR_FAIL_COND(!E->get().in_scene);
-	E->get().in_scene=false;
+	ERR_FAIL_COND(!E->get().in_tree);
+	E->get().in_tree=false;
 	emit_signal(SceneStringNames::get_singleton()->body_exit,node);
 	for(int i=0;i<E->get().shapes.size();i++) {
 
@@ -246,11 +246,11 @@ void RigidBody::_body_inout(int p_status, ObjectID p_instance, int p_body_shape,
 
 			E = contact_monitor->body_map.insert(objid,BodyState());
 			//E->get().rc=0;
-			E->get().in_scene=node && node->is_inside_scene();
+			E->get().in_tree=node && node->is_inside_tree();
 			if (node) {
-				node->connect(SceneStringNames::get_singleton()->enter_scene,this,SceneStringNames::get_singleton()->_body_enter_scene,make_binds(objid));
-				node->connect(SceneStringNames::get_singleton()->exit_scene,this,SceneStringNames::get_singleton()->_body_exit_scene,make_binds(objid));
-				if (E->get().in_scene) {
+				node->connect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_body_enter_tree,make_binds(objid));
+				node->connect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_body_exit_tree,make_binds(objid));
+				if (E->get().in_tree) {
 					emit_signal(SceneStringNames::get_singleton()->body_enter,node);
 				}
 			}
@@ -261,7 +261,7 @@ void RigidBody::_body_inout(int p_status, ObjectID p_instance, int p_body_shape,
 			E->get().shapes.insert(ShapePair(p_body_shape,p_local_shape));
 
 
-		if (E->get().in_scene) {
+		if (E->get().in_tree) {
 			emit_signal(SceneStringNames::get_singleton()->body_enter_shape,objid,node,p_body_shape,p_local_shape);
 		}
 
@@ -272,21 +272,21 @@ void RigidBody::_body_inout(int p_status, ObjectID p_instance, int p_body_shape,
 		if (node)
 			E->get().shapes.erase(ShapePair(p_body_shape,p_local_shape));
 
-		bool in_scene = E->get().in_scene;
+		bool in_tree = E->get().in_tree;
 
 		if (E->get().shapes.empty()) {
 
 			if (node) {
-				node->disconnect(SceneStringNames::get_singleton()->enter_scene,this,SceneStringNames::get_singleton()->_body_enter_scene);
-				node->disconnect(SceneStringNames::get_singleton()->exit_scene,this,SceneStringNames::get_singleton()->_body_exit_scene);
-				if (in_scene)
+				node->disconnect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_body_enter_tree);
+				node->disconnect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_body_exit_tree);
+				if (in_tree)
 					emit_signal(SceneStringNames::get_singleton()->body_exit,obj);
 
 			}
 
 			contact_monitor->body_map.erase(E);
 		}
-		if (node && in_scene) {
+		if (node && in_tree) {
 			emit_signal(SceneStringNames::get_singleton()->body_exit_shape,objid,obj,p_body_shape,p_local_shape);
 		}
 
@@ -682,8 +682,8 @@ void RigidBody::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("is_able_to_sleep"),&RigidBody::is_able_to_sleep);
 
 	ObjectTypeDB::bind_method(_MD("_direct_state_changed"),&RigidBody::_direct_state_changed);
-	ObjectTypeDB::bind_method(_MD("_body_enter_scene"),&RigidBody::_body_enter_scene);
-	ObjectTypeDB::bind_method(_MD("_body_exit_scene"),&RigidBody::_body_exit_scene);
+	ObjectTypeDB::bind_method(_MD("_body_enter_tree"),&RigidBody::_body_enter_tree);
+	ObjectTypeDB::bind_method(_MD("_body_exit_tree"),&RigidBody::_body_exit_tree);
 
 	ObjectTypeDB::bind_method(_MD("set_axis_lock","axis_lock"),&RigidBody::set_axis_lock);
 	ObjectTypeDB::bind_method(_MD("get_axis_lock"),&RigidBody::get_axis_lock);
@@ -792,7 +792,7 @@ Vector3 KinematicBody::move(const Vector3& p_motion) {
 
 
 	colliding=false;
-	ERR_FAIL_COND_V(!is_inside_scene(),Vector3());
+	ERR_FAIL_COND_V(!is_inside_tree(),Vector3());
 	PhysicsDirectSpaceState *dss = PhysicsServer::get_singleton()->space_get_direct_state(get_world()->get_space());
 	ERR_FAIL_COND_V(!dss,Vector3());
 	const int max_shapes=32;
@@ -989,7 +989,7 @@ Vector3 KinematicBody::move_to(const Vector3& p_position) {
 
 bool KinematicBody::can_move_to(const Vector3& p_position, bool p_discrete) {
 
-	ERR_FAIL_COND_V(!is_inside_scene(),false);
+	ERR_FAIL_COND_V(!is_inside_tree(),false);
 	PhysicsDirectSpaceState *dss = PhysicsServer::get_singleton()->space_get_direct_state(get_world()->get_space());
 	ERR_FAIL_COND_V(!dss,false);
 
@@ -1029,7 +1029,7 @@ bool KinematicBody::can_move_to(const Vector3& p_position, bool p_discrete) {
 
 bool KinematicBody::is_colliding() const {
 
-	ERR_FAIL_COND_V(!is_inside_scene(),false);
+	ERR_FAIL_COND_V(!is_inside_tree(),false);
 
 	return colliding;
 }
diff --git a/scene/3d/physics_body.h b/scene/3d/physics_body.h
index a19ad48c87..f9f028e20d 100644
--- a/scene/3d/physics_body.h
+++ b/scene/3d/physics_body.h
@@ -163,7 +163,7 @@ private:
 	struct BodyState {
 
 		//int rc;
-		bool in_scene;
+		bool in_tree;
 		VSet<ShapePair> shapes;
 	};
 
@@ -176,8 +176,8 @@ private:
 
 
 	ContactMonitor *contact_monitor;
-	void _body_enter_scene(ObjectID p_id);
-	void _body_exit_scene(ObjectID p_id);
+	void _body_enter_tree(ObjectID p_id);
+	void _body_exit_tree(ObjectID p_id);
 
 
 	void _body_inout(int p_status, ObjectID p_instance, int p_body_shape,int p_local_shape);
diff --git a/scene/3d/physics_joint.cpp b/scene/3d/physics_joint.cpp
index 8a79e17d87..8d9257a273 100644
--- a/scene/3d/physics_joint.cpp
+++ b/scene/3d/physics_joint.cpp
@@ -42,7 +42,7 @@ void Joint::_update_joint(bool p_only_free) {
 		bb=RID();
 	}
 
-	if (p_only_free || !is_inside_scene())
+	if (p_only_free || !is_inside_tree())
 		return;
 
 	Node *node_a = has_node( get_node_a() ) ? get_node( get_node_a() ) : (Node*)NULL;
@@ -131,7 +131,7 @@ void Joint::_notification(int p_what) {
 		case NOTIFICATION_READY: {
 			_update_joint();
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 			if (joint.is_valid()) {
 				_update_joint(true);
 				PhysicsServer::get_singleton()->free(joint);
diff --git a/scene/3d/proximity_group.cpp b/scene/3d/proximity_group.cpp
index b3378c7698..a30a23aa53 100644
--- a/scene/3d/proximity_group.cpp
+++ b/scene/3d/proximity_group.cpp
@@ -119,7 +119,7 @@ void ProximityGroup::_notification(int what) {
 
 	switch (what) {
 
-	case NOTIFICATION_EXIT_SCENE:
+	case NOTIFICATION_EXIT_TREE:
 		++group_version;
 		clear_groups();
 		break;
@@ -135,7 +135,7 @@ void ProximityGroup::broadcast(String p_name, Variant p_params) {
 	E = groups.front();
 	while (E) {
 
-		get_scene()->call_group(SceneMainLoop::GROUP_CALL_DEFAULT, E->key(), "_proximity_group_broadcast", p_name, p_params);
+		get_tree()->call_group(SceneTree::GROUP_CALL_DEFAULT, E->key(), "_proximity_group_broadcast", p_name, p_params);
 		E = E->next();
 	};
 
diff --git a/scene/3d/quad.cpp b/scene/3d/quad.cpp
index 78dd56141c..8ee232fef4 100644
--- a/scene/3d/quad.cpp
+++ b/scene/3d/quad.cpp
@@ -31,7 +31,7 @@
 
 void Quad::_update() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	Vector3 normal;
@@ -171,14 +171,14 @@ void Quad::_notification(int p_what) {
 
 	switch(p_what)	 {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			if (pending_update)
 				_update();
 
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			pending_update=true;
 
diff --git a/scene/3d/ray_cast.cpp b/scene/3d/ray_cast.cpp
index e36e2da14f..6bc0c677c0 100644
--- a/scene/3d/ray_cast.cpp
+++ b/scene/3d/ray_cast.cpp
@@ -33,7 +33,7 @@
 void RayCast::set_cast_to(const Vector3& p_point) {
 
 	cast_to=p_point;
-	if (is_inside_scene() && get_scene()->is_editor_hint())
+	if (is_inside_tree() && get_tree()->is_editor_hint())
 		update_gizmo();
 
 }
@@ -72,7 +72,7 @@ Vector3 RayCast::get_collision_normal() const{
 void RayCast::set_enabled(bool p_enabled) {
 
 	enabled=p_enabled;
-	if (is_inside_scene() && !get_scene()->is_editor_hint())
+	if (is_inside_tree() && !get_tree()->is_editor_hint())
 		set_fixed_process(p_enabled);
 	if (!p_enabled)
 		collided=false;
@@ -91,9 +91,9 @@ void RayCast::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
-			if (enabled && !get_scene()->is_editor_hint()) {
+			if (enabled && !get_tree()->is_editor_hint()) {
 				set_fixed_process(true);
 				Node *p = get_parent();
 				while( p && p->cast_to<Spatial>() ) {
@@ -113,7 +113,7 @@ void RayCast::_notification(int p_what) {
 
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			if (enabled) {
 				set_fixed_process(false);
diff --git a/scene/3d/room_instance.cpp b/scene/3d/room_instance.cpp
index fa1d3ecf6b..3f9e6c7f13 100644
--- a/scene/3d/room_instance.cpp
+++ b/scene/3d/room_instance.cpp
@@ -147,7 +147,7 @@ void Room::set_room( const Ref<RoomBounds>& p_room ) {
 		set_base(RID());
 	}
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 
diff --git a/scene/3d/skeleton.cpp b/scene/3d/skeleton.cpp
index 737f7d2dce..f53ee7d6bf 100644
--- a/scene/3d/skeleton.cpp
+++ b/scene/3d/skeleton.cpp
@@ -243,10 +243,10 @@ void Skeleton::set_bone_global_pose(int p_bone,const Transform& p_pose) {
 	ERR_FAIL_INDEX(p_bone,bones.size());
 	if (bones[p_bone].parent==-1) {
 
-		set_bone_pose(p_bone,bones[p_bone].rest.inverse() * p_pose);
+		set_bone_pose(p_bone,bones[p_bone].rest_global_inverse * p_pose); //fast
 	} else {
 
-		set_bone_pose(p_bone, bones[p_bone].rest.inverse() * (get_bone_global_pose(bones[p_bone].parent).affine_inverse() * p_pose));
+		set_bone_pose(p_bone, bones[p_bone].rest.affine_inverse() * (get_bone_global_pose(bones[p_bone].parent).affine_inverse() * p_pose)); //slow
 
 	}
 
@@ -404,7 +404,7 @@ void Skeleton::clear_bones() {
 void Skeleton::set_bone_pose(int p_bone, const Transform& p_pose) {
 
 	ERR_FAIL_INDEX( p_bone, bones.size() );
-	ERR_FAIL_COND( !is_inside_scene() );
+	ERR_FAIL_COND( !is_inside_tree() );
 	
 
 	bones[p_bone].pose=p_pose;
@@ -442,7 +442,7 @@ void Skeleton::_make_dirty() {
 	if (dirty)
 		return;
 		
-	if (!is_inside_scene()) {
+	if (!is_inside_tree()) {
 		dirty=true;
 		return;
 	}
diff --git a/scene/3d/spatial.cpp b/scene/3d/spatial.cpp
index d304095d33..a5b009823c 100644
--- a/scene/3d/spatial.cpp
+++ b/scene/3d/spatial.cpp
@@ -76,7 +76,7 @@ void Spatial::_notify_dirty() {
 
 	if (!data.ignore_notification && !xform_change.in_list()) {
 
-		get_scene()->xform_change_list.add(&xform_change);
+		get_tree()->xform_change_list.add(&xform_change);
 	}
 }
 
@@ -91,7 +91,7 @@ void Spatial::_update_local_transform() const {
 }
 void Spatial::_propagate_transform_changed(Spatial *p_origin) {
 
-	if (!is_inside_scene()) {
+	if (!is_inside_tree()) {
 		return;
 	}
 
@@ -110,7 +110,7 @@ void Spatial::_propagate_transform_changed(Spatial *p_origin) {
 
 	if (!data.ignore_notification && !xform_change.in_list()) {
 
-		get_scene()->xform_change_list.add(&xform_change);
+		get_tree()->xform_change_list.add(&xform_change);
 
 	}
 	data.dirty|=DIRTY_GLOBAL;
@@ -121,7 +121,7 @@ void Spatial::_propagate_transform_changed(Spatial *p_origin) {
 void Spatial::_notification(int p_what) {
 
 	switch(p_what) {
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			Node *p = get_parent();
 			if (p)
@@ -132,7 +132,7 @@ void Spatial::_notification(int p_what) {
 			else
 				data.C=NULL;
 
-			if (data.toplevel && !get_scene()->is_editor_hint()) {
+			if (data.toplevel && !get_tree()->is_editor_hint()) {
 
 				if (data.parent) {
 					data.local_transform = data.parent->get_global_transform() * get_transform();
@@ -147,11 +147,11 @@ void Spatial::_notification(int p_what) {
 			notification(NOTIFICATION_ENTER_WORLD);
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			notification(NOTIFICATION_EXIT_WORLD,true);
 			if (xform_change.in_list())
-				get_scene()->xform_change_list.remove(&xform_change);
+				get_tree()->xform_change_list.remove(&xform_change);
 			if (data.C)
 				data.parent->data.children.erase(data.C);
 			data.parent=NULL;
@@ -177,10 +177,10 @@ void Spatial::_notification(int p_what) {
 				get_script_instance()->call_multilevel(SceneStringNames::get_singleton()->_enter_world,NULL,0);
 			}
 #ifdef TOOLS_ENABLED
-			if (get_scene()->is_editor_hint()) {
+			if (get_tree()->is_editor_hint()) {
 
 //				get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,SceneStringNames::get_singleton()->_spatial_editor_group,SceneStringNames::get_singleton()->_request_gizmo,this);
-				get_scene()->call_group(0,SceneStringNames::get_singleton()->_spatial_editor_group,SceneStringNames::get_singleton()->_request_gizmo,this);
+				get_tree()->call_group(0,SceneStringNames::get_singleton()->_spatial_editor_group,SceneStringNames::get_singleton()->_request_gizmo,this);
 				if (!data.gizmo_disabled) {
 
 					if (data.gizmo.is_valid())
@@ -257,7 +257,7 @@ Transform Spatial::get_transform() const {
 }
 Transform Spatial::get_global_transform() const {
 
-	ERR_FAIL_COND_V(!is_inside_scene(), Transform());
+	ERR_FAIL_COND_V(!is_inside_tree(), Transform());
 
 	if (data.dirty & DIRTY_GLOBAL) {
 
@@ -460,7 +460,7 @@ void Spatial::set_as_toplevel(bool p_enabled) {
 
 	if (data.toplevel==p_enabled)
 		return;
-	if (is_inside_scene() && !get_scene()->is_editor_hint()) {
+	if (is_inside_tree() && !get_tree()->is_editor_hint()) {
 
 		if (p_enabled)
 			set_transform(get_global_transform());
@@ -537,7 +537,7 @@ void Spatial::show() {
 
 	data.visible=true;
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	if (!data.parent || is_visible()) {
diff --git a/scene/3d/spatial.h b/scene/3d/spatial.h
index 7036ef63ca..49ecf5779b 100644
--- a/scene/3d/spatial.h
+++ b/scene/3d/spatial.h
@@ -130,7 +130,7 @@ public:
 
 	enum {
 	
-		NOTIFICATION_TRANSFORM_CHANGED=SceneMainLoop::NOTIFICATION_TRANSFORM_CHANGED,
+		NOTIFICATION_TRANSFORM_CHANGED=SceneTree::NOTIFICATION_TRANSFORM_CHANGED,
 		NOTIFICATION_ENTER_WORLD=41,
 		NOTIFICATION_EXIT_WORLD=42,
 		NOTIFICATION_VISIBILITY_CHANGED=43,
diff --git a/scene/3d/spatial_stream_player.cpp b/scene/3d/spatial_stream_player.cpp
index 25448498cb..51009662d6 100644
--- a/scene/3d/spatial_stream_player.cpp
+++ b/scene/3d/spatial_stream_player.cpp
@@ -74,7 +74,7 @@ Ref<AudioStream> SpatialStreamPlayer::get_stream() const {
 
 void SpatialStreamPlayer::play() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 	if (stream.is_null())
 		return;
@@ -89,7 +89,7 @@ void SpatialStreamPlayer::play() {
 
 void SpatialStreamPlayer::stop() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 	if (stream.is_null())
 		return;
diff --git a/scene/3d/sprite_3d.cpp b/scene/3d/sprite_3d.cpp
index 334a15e724..a6a8919d13 100644
--- a/scene/3d/sprite_3d.cpp
+++ b/scene/3d/sprite_3d.cpp
@@ -37,7 +37,7 @@ void SpriteBase3D::_propagate_color_changed() {
 
 void SpriteBase3D::_notification(int p_what) {
 
-	if (p_what==NOTIFICATION_ENTER_SCENE) {
+	if (p_what==NOTIFICATION_ENTER_TREE) {
 
 		if (!pending_update)
 			_im_update();
@@ -52,7 +52,7 @@ void SpriteBase3D::_notification(int p_what) {
 		}
 	}
 
-	if (p_what==NOTIFICATION_EXIT_SCENE) {
+	if (p_what==NOTIFICATION_EXIT_TREE) {
 
 
 		if (parent_sprite) {
diff --git a/scene/3d/vehicle_body.cpp b/scene/3d/vehicle_body.cpp
index 4cf905e4ee..ba30c118f0 100644
--- a/scene/3d/vehicle_body.cpp
+++ b/scene/3d/vehicle_body.cpp
@@ -57,7 +57,7 @@ public:
 void VehicleWheel::_notification(int p_what) {
 
 
-	if (p_what==NOTIFICATION_ENTER_SCENE) {
+	if (p_what==NOTIFICATION_ENTER_TREE) {
 
 		if (!get_parent())
 			return;
@@ -73,7 +73,7 @@ void VehicleWheel::_notification(int p_what) {
 		m_wheelAxleCS = get_transform().basis.get_axis(Vector3::AXIS_X).normalized();
 
 	}
-	if (p_what==NOTIFICATION_EXIT_SCENE) {
+	if (p_what==NOTIFICATION_EXIT_TREE) {
 
 		if (!get_parent())
 			return;
diff --git a/scene/3d/visibility_notifier.cpp b/scene/3d/visibility_notifier.cpp
index 60e311cefe..d4ef2931e9 100644
--- a/scene/3d/visibility_notifier.cpp
+++ b/scene/3d/visibility_notifier.cpp
@@ -183,7 +183,7 @@ void VisibilityEnabler::_find_nodes(Node* p_node) {
 
 	if (add) {
 
-		p_node->connect(SceneStringNames::get_singleton()->exit_scene,this,"_node_removed",varray(p_node),CONNECT_ONESHOT);
+		p_node->connect(SceneStringNames::get_singleton()->exit_tree,this,"_node_removed",varray(p_node),CONNECT_ONESHOT);
 		nodes[p_node]=meta;
 		_change_node_state(p_node,false);
 	}
@@ -200,9 +200,9 @@ void VisibilityEnabler::_find_nodes(Node* p_node) {
 
 void VisibilityEnabler::_notification(int p_what){
 
-	if (p_what==NOTIFICATION_ENTER_SCENE) {
+	if (p_what==NOTIFICATION_ENTER_TREE) {
 
-		if (get_scene()->is_editor_hint())
+		if (get_tree()->is_editor_hint())
 			return;
 
 
@@ -215,9 +215,9 @@ void VisibilityEnabler::_notification(int p_what){
 
 	}
 
-	if (p_what==NOTIFICATION_EXIT_SCENE) {
+	if (p_what==NOTIFICATION_EXIT_TREE) {
 
-		if (get_scene()->is_editor_hint())
+		if (get_tree()->is_editor_hint())
 			return;
 
 
@@ -228,7 +228,7 @@ void VisibilityEnabler::_notification(int p_what){
 
 			if (!visible)
 				_change_node_state(E->key(),true);
-			E->key()->disconnect(SceneStringNames::get_singleton()->exit_scene,this,"_node_removed");
+			E->key()->disconnect(SceneStringNames::get_singleton()->exit_tree,this,"_node_removed");
 		}
 
 		nodes.clear();
@@ -271,7 +271,7 @@ void VisibilityEnabler::_node_removed(Node* p_node) {
 
 	if (!visible)
 		_change_node_state(p_node,true);
-	p_node->disconnect(SceneStringNames::get_singleton()->exit_scene,this,"_node_removed");
+	p_node->disconnect(SceneStringNames::get_singleton()->exit_tree,this,"_node_removed");
 	nodes.erase(p_node);
 
 }
diff --git a/scene/3d/visual_instance.cpp b/scene/3d/visual_instance.cpp
index 398fbdea82..5b40a4d7e5 100644
--- a/scene/3d/visual_instance.cpp
+++ b/scene/3d/visual_instance.cpp
@@ -257,7 +257,7 @@ void GeometryInstance::_find_baked_light() {
 
 void GeometryInstance::_update_visibility() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	_change_notify("geometry/visible");
diff --git a/scene/animation/animation_cache.cpp b/scene/animation/animation_cache.cpp
index 38cfe0d8a9..46eb8d7e88 100644
--- a/scene/animation/animation_cache.cpp
+++ b/scene/animation/animation_cache.cpp
@@ -30,7 +30,7 @@
 
 
 
-void AnimationCache::_node_exit_scene(Node *p_node) {
+void AnimationCache::_node_exit_tree(Node *p_node) {
 
 	//it is one shot, so it disconnects upon arrival
 
@@ -59,7 +59,7 @@ void AnimationCache::_clear_cache() {
 
 	while(connected_nodes.size()) {
 
-		connected_nodes.front()->get()->disconnect("exit_scene",this,"_node_exit_scene");
+		connected_nodes.front()->get()->disconnect("exit_tree",this,"_node_exit_tree");
 		connected_nodes.erase(connected_nodes.front());
 	}
 	path_cache.clear();;
@@ -73,7 +73,7 @@ void AnimationCache::_update_cache() {
 	cache_valid=false;
 
 	ERR_FAIL_COND(!root);
-	ERR_FAIL_COND(!root->is_inside_scene());
+	ERR_FAIL_COND(!root->is_inside_tree());
 	ERR_FAIL_COND(animation.is_null());
 
 	for(int i=0;i<animation->get_track_count();i++) {
@@ -206,7 +206,7 @@ void AnimationCache::_update_cache() {
 
 		if (!connected_nodes.has(path.node)) {
 			connected_nodes.insert(path.node);
-			path.node->connect("exit_scene",this,"_node_exit_scene",Node::make_binds(path.node),CONNECT_ONESHOT);
+			path.node->connect("exit_tree",this,"_node_exit_tree",Node::make_binds(path.node),CONNECT_ONESHOT);
 		}
 
 
@@ -368,7 +368,7 @@ void AnimationCache::set_animation(const Ref<Animation>& p_animation) {
 
 void AnimationCache::_bind_methods() {
 
-	ObjectTypeDB::bind_method(_MD("_node_exit_scene"),&AnimationCache::_node_exit_scene);
+	ObjectTypeDB::bind_method(_MD("_node_exit_tree"),&AnimationCache::_node_exit_tree);
 	ObjectTypeDB::bind_method(_MD("_animation_changed"),&AnimationCache::_animation_changed);
 }
 
diff --git a/scene/animation/animation_cache.h b/scene/animation/animation_cache.h
index 72ee8f1860..d00b122faa 100644
--- a/scene/animation/animation_cache.h
+++ b/scene/animation/animation_cache.h
@@ -58,7 +58,7 @@ class AnimationCache : public Object {
 	bool cache_dirty;
 	bool cache_valid;
 
-	void _node_exit_scene(Node *p_node);
+	void _node_exit_tree(Node *p_node);
 
 	void _clear_cache();
 	void _update_cache();
diff --git a/scene/animation/animation_player.cpp b/scene/animation/animation_player.cpp
index 9a3c7e71ec..2fbbd54d9f 100644
--- a/scene/animation/animation_player.cpp
+++ b/scene/animation/animation_player.cpp
@@ -189,7 +189,7 @@ void AnimationPlayer::_notification(int p_what) {
 
 	switch(p_what) {
 	
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			if (!processing) {
 				//make sure that a previous process state was not saved
@@ -202,7 +202,7 @@ void AnimationPlayer::_notification(int p_what) {
 		} break;
 		case NOTIFICATION_READY: {
 
-			if (!get_scene()->is_editor_hint() && animation_set.has(autoplay)) {
+			if (!get_tree()->is_editor_hint() && animation_set.has(autoplay)) {
 				play(autoplay);
 			}
 		} break;
@@ -221,7 +221,7 @@ void AnimationPlayer::_notification(int p_what) {
 			if (processing)
 				_animation_process( get_fixed_process_delta_time() );
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 		
 			stop_all();
 			clear_caches();
@@ -261,8 +261,8 @@ void AnimationPlayer::_generate_node_caches(AnimationData* p_anim) {
 		}
 		
 		{
-			if (!child->is_connected("exit_scene",this,"_node_removed"))
-				child->connect("exit_scene",this,"_node_removed",make_binds(child),CONNECT_ONESHOT);
+			if (!child->is_connected("exit_tree",this,"_node_removed"))
+				child->connect("exit_tree",this,"_node_removed",make_binds(child),CONNECT_ONESHOT);
 		}
 
 		TrackNodeCacheKey key;
@@ -348,7 +348,7 @@ void AnimationPlayer::_animation_process_animation(AnimationData* p_anim,float p
 	
 
 	Animation *a=p_anim->animation.operator->();
-	bool can_call = is_inside_scene() && !get_scene()->is_editor_hint();
+	bool can_call = is_inside_tree() && !get_tree()->is_editor_hint();
 	
 	for (int i=0;i<a->get_track_count();i++) {
 	
@@ -922,7 +922,7 @@ void AnimationPlayer::play(const StringName& p_name, float p_custom_blend, float
 	_set_process(true); // always process when starting an animation
 	playing = true;
 
-	if (is_inside_scene() &&  get_scene()->is_editor_hint())
+	if (is_inside_tree() &&  get_tree()->is_editor_hint())
 		return; // no next in this case
 
 
diff --git a/scene/animation/animation_tree_player.cpp b/scene/animation/animation_tree_player.cpp
index 2d1821bc5c..b55cc0d1a3 100644
--- a/scene/animation/animation_tree_player.cpp
+++ b/scene/animation/animation_tree_player.cpp
@@ -1586,7 +1586,7 @@ void AnimationTreePlayer::_update_sources() {
 
 	if (master==NodePath())
 		return;
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	Node *m = get_node(master);
diff --git a/scene/animation/tween.cpp b/scene/animation/tween.cpp
index 7e7d57c3c2..59793815f5 100644
--- a/scene/animation/tween.cpp
+++ b/scene/animation/tween.cpp
@@ -75,7 +75,7 @@ void Tween::_notification(int p_what) {
 
 	switch(p_what) {
 	
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			if (!processing) {
 				//make sure that a previous process state was not saved
@@ -102,7 +102,7 @@ void Tween::_notification(int p_what) {
 			if (processing)
 				_tween_process( get_fixed_process_delta_time() );
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 		
 			stop_all();
 		} break;
diff --git a/scene/audio/event_player.cpp b/scene/audio/event_player.cpp
index e5b2be53ca..dc46f4711c 100644
--- a/scene/audio/event_player.cpp
+++ b/scene/audio/event_player.cpp
@@ -33,13 +33,13 @@ void EventPlayer::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			//set_idle_process(false); //don't annoy
-			if (playback.is_valid() && autoplay && !get_scene()->is_editor_hint())
+			if (playback.is_valid() && autoplay && !get_tree()->is_editor_hint())
 				play();
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			stop(); //wathever it may be doing, stop
 		} break;
@@ -75,7 +75,7 @@ Ref<EventStream> EventPlayer::get_stream() const {
 
 void EventPlayer::play() {
 
-	ERR_FAIL_COND(!is_inside_scene());
+	ERR_FAIL_COND(!is_inside_tree());
 	if (playback.is_null()) {
 		return;
 	}
@@ -93,7 +93,7 @@ void EventPlayer::play() {
 
 void EventPlayer::stop() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 	if (playback.is_null())
 		return;
@@ -241,7 +241,7 @@ bool EventPlayer::is_paused() const {
 void EventPlayer::_set_play(bool p_play) {
 
 	_play=p_play;
-	if (is_inside_scene()) {
+	if (is_inside_tree()) {
 		if(_play)
 			play();
 		else
diff --git a/scene/audio/sound_room_params.cpp b/scene/audio/sound_room_params.cpp
index 3e0a64b3f1..01d373ebff 100644
--- a/scene/audio/sound_room_params.cpp
+++ b/scene/audio/sound_room_params.cpp
@@ -53,7 +53,7 @@ void SoundRoomParams::_notification(int p_what) {
 	switch(p_what) {
 
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 #if 0
 			Node *n=this;
 			Room *room_instance=NULL;
@@ -81,7 +81,7 @@ void SoundRoomParams::_notification(int p_what) {
 #endif
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			room=RID();
 
diff --git a/scene/audio/stream_player.cpp b/scene/audio/stream_player.cpp
index 5084c1295b..73025fb52c 100644
--- a/scene/audio/stream_player.cpp
+++ b/scene/audio/stream_player.cpp
@@ -33,13 +33,13 @@ void StreamPlayer::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			//set_idle_process(false); //don't annoy
-			if (stream.is_valid() && autoplay && !get_scene()->is_editor_hint())
+			if (stream.is_valid() && autoplay && !get_tree()->is_editor_hint())
 				play();
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			stop(); //wathever it may be doing, stop
 		} break;
@@ -75,7 +75,7 @@ Ref<AudioStream> StreamPlayer::get_stream() const {
 
 void StreamPlayer::play() {
 
-	ERR_FAIL_COND(!is_inside_scene());
+	ERR_FAIL_COND(!is_inside_tree());
 	if (stream.is_null())
 		return;
 	if (stream->is_playing())
@@ -91,7 +91,7 @@ void StreamPlayer::play() {
 
 void StreamPlayer::stop() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 	if (stream.is_null())
 		return;
@@ -214,7 +214,7 @@ bool StreamPlayer::is_paused() const {
 void StreamPlayer::_set_play(bool p_play) {
 
 	_play=p_play;
-	if (is_inside_scene()) {
+	if (is_inside_tree()) {
 		if(_play)
 			play();
 		else
diff --git a/scene/gui/base_button.cpp b/scene/gui/base_button.cpp
index cf9fcfa72a..442fd286dd 100644
--- a/scene/gui/base_button.cpp
+++ b/scene/gui/base_button.cpp
@@ -211,7 +211,7 @@ void BaseButton::_notification(int p_what) {
 		}
 	}
 
-	if (p_what==NOTIFICATION_ENTER_SCENE) {
+	if (p_what==NOTIFICATION_ENTER_TREE) {
 
 		CanvasItem *ci=this;
 		while(ci) {
@@ -227,7 +227,7 @@ void BaseButton::_notification(int p_what) {
 		}
 	}
 
-	if (p_what==NOTIFICATION_EXIT_SCENE) {
+	if (p_what==NOTIFICATION_EXIT_TREE) {
 
 		if (group)
 			group->_remove_button(this);
diff --git a/scene/gui/button_group.cpp b/scene/gui/button_group.cpp
index 58b323c24d..94cc0a8d51 100644
--- a/scene/gui/button_group.cpp
+++ b/scene/gui/button_group.cpp
@@ -117,7 +117,7 @@ BaseButton *ButtonGroup::get_focused_button() const{
 int ButtonGroup::get_pressed_button_index() const {
 	//in tree order, this is bizarre
 
-	ERR_FAIL_COND_V(!is_inside_scene(),0);
+	ERR_FAIL_COND_V(!is_inside_tree(),0);
 
 	BaseButton *pressed = get_pressed_button();
 	if (!pressed)
diff --git a/scene/gui/container.cpp b/scene/gui/container.cpp
index 6543a0388d..bb61723acf 100644
--- a/scene/gui/container.cpp
+++ b/scene/gui/container.cpp
@@ -67,7 +67,7 @@ void Container::remove_child_notify(Node *p_child) {
 
 void Container::_sort_children() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	notification(NOTIFICATION_SORT_CHILDREN);
@@ -101,7 +101,7 @@ void Container::fit_child_in_rect(Control *p_child,const Rect2& p_rect) {
 
 void Container::queue_sort() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	if (pending_sort)
@@ -115,7 +115,7 @@ void Container::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 			pending_sort=false;
 			queue_sort();
 		} break;
diff --git a/scene/gui/control.cpp b/scene/gui/control.cpp
index fc24294a70..aea0aacf42 100644
--- a/scene/gui/control.cpp
+++ b/scene/gui/control.cpp
@@ -183,7 +183,7 @@ bool Control::_set(const StringName& p_name, const Variant& p_value) {
 
 void Control::_update_minimum_size() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	data.pending_min_size_update=false;
@@ -341,7 +341,7 @@ void Control::_notification(int p_notification) {
 
 	switch(p_notification) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			if (data.window==this) {
 
@@ -365,7 +365,7 @@ void Control::_notification(int p_notification) {
 				window->drag_attempted=false;
 				window->drag_preview=NULL;
 
-				if (get_scene()->is_editor_hint()) {
+				if (get_tree()->is_editor_hint()) {
 
 					Node *n = this;
 					while(n) {
@@ -385,7 +385,7 @@ void Control::_notification(int p_notification) {
 			_size_changed();
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			if (data.window) {
 
@@ -630,7 +630,7 @@ void Control::_notification(int p_notification) {
 			}
 
 		} break;
-		case SceneMainLoop::NOTIFICATION_WM_UNFOCUS_REQUEST: {
+		case SceneTree::NOTIFICATION_WM_UNFOCUS_REQUEST: {
 
 			if (!window)
 				return;
@@ -710,7 +710,7 @@ void Control::drop_data(const Point2& p_point,const Variant& p_data){
 
 void Control::force_drag(const Variant& p_data,Control *p_control) {
 
-	ERR_FAIL_COND(!is_inside_scene());
+	ERR_FAIL_COND(!is_inside_tree());
 	ERR_FAIL_COND(!data.window);
 	ERR_FAIL_COND(p_data.get_type()==Variant::NIL);
 
@@ -728,8 +728,8 @@ void Control::set_drag_preview(Control *p_control) {
 
 	ERR_FAIL_NULL(p_control);
 	ERR_FAIL_COND( !((Object*)p_control)->cast_to<Control>());
-	ERR_FAIL_COND(!is_inside_scene() || !data.window);
-	ERR_FAIL_COND(p_control->is_inside_scene());
+	ERR_FAIL_COND(!is_inside_tree() || !data.window);
+	ERR_FAIL_COND(p_control->is_inside_tree());
 	ERR_FAIL_COND(p_control->get_parent()!=NULL);
 
 	if (data.window->window->drag_preview) {
@@ -963,8 +963,8 @@ void Control::_window_input_event(InputEvent p_event) {
 
 						if (top->data.modal_exclusive) {
 							//cancel event, sorry, modal exclusive EATS UP ALL
-							get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,"windows","_cancel_input_ID",p_event.ID);
-							get_scene()->set_input_as_handled();
+							get_tree()->call_group(SceneTree::GROUP_CALL_REALTIME,"windows","_cancel_input_ID",p_event.ID);
+							get_tree()->set_input_as_handled();
 							return; // no one gets the event if exclusive NO ONE
 						}
 
@@ -1034,8 +1034,8 @@ void Control::_window_input_event(InputEvent p_event) {
 					_window_call_input(window->mouse_focus,p_event);
 				}
 				
-				get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,"windows","_cancel_input_ID",p_event.ID);
-				get_scene()->set_input_as_handled();
+				get_tree()->call_group(SceneTree::GROUP_CALL_REALTIME,"windows","_cancel_input_ID",p_event.ID);
+				get_tree()->set_input_as_handled();
 
 			} else {
 
@@ -1079,8 +1079,8 @@ void Control::_window_input_event(InputEvent p_event) {
 				}
 
 
-				get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,"windows","_cancel_input_ID",p_event.ID);
-				get_scene()->set_input_as_handled();
+				get_tree()->call_group(SceneTree::GROUP_CALL_REALTIME,"windows","_cancel_input_ID",p_event.ID);
+				get_tree()->set_input_as_handled();
 
 			}
 		} break;
@@ -1147,7 +1147,7 @@ void Control::_window_input_event(InputEvent p_event) {
 			
 			window->mouse_over=over;
 
-			get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,"windows","_cancel_tooltip");
+			get_tree()->call_group(SceneTree::GROUP_CALL_REALTIME,"windows","_cancel_tooltip");
 
 			if (window->drag_preview) {
 				window->drag_preview->set_pos(pos);
@@ -1203,8 +1203,8 @@ void Control::_window_input_event(InputEvent p_event) {
 
 
 			
-			get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,"windows","_cancel_input_ID",p_event.ID);
-			get_scene()->set_input_as_handled();
+			get_tree()->call_group(SceneTree::GROUP_CALL_REALTIME,"windows","_cancel_input_ID",p_event.ID);
+			get_tree()->set_input_as_handled();
 
 
 			if (window->drag_data.get_type()!=Variant::NIL && p_event.mouse_motion.button_mask&BUTTON_MASK_LEFT) {
@@ -1230,7 +1230,7 @@ void Control::_window_input_event(InputEvent p_event) {
 
 				if (window->key_event_accepted) {
 
-					get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,"windows","_cancel_input_ID",p_event.ID);
+					get_tree()->call_group(SceneTree::GROUP_CALL_REALTIME,"windows","_cancel_input_ID",p_event.ID);
 					break;
 				}
 			}
@@ -1290,7 +1290,7 @@ void Control::_window_input_event(InputEvent p_event) {
 
 				if (next) {
 					next->grab_focus();
-					get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,"windows","_cancel_input_ID",p_event.ID);
+					get_tree()->call_group(SceneTree::GROUP_CALL_REALTIME,"windows","_cancel_input_ID",p_event.ID);
 				}
 			}
 
@@ -1305,7 +1305,7 @@ Control *Control::get_window() const {
 
 bool Control::is_window() const {
 
-	return (is_inside_scene() && window);
+	return (is_inside_tree() && window);
 }
 
 
@@ -1607,7 +1607,7 @@ bool Control::has_constant(const StringName& p_name,const StringName& p_type) co
 
 Size2 Control::get_parent_area_size() const {
 
-	ERR_FAIL_COND_V(!is_inside_scene(),Size2());
+	ERR_FAIL_COND_V(!is_inside_tree(),Size2());
 
 	Size2 parent_size;
 
@@ -1624,7 +1624,7 @@ Size2 Control::get_parent_area_size() const {
 
 void Control::_size_changed() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	Size2 parent_size = get_parent_area_size();
@@ -1677,7 +1677,7 @@ void Control::_size_changed() {
 
 float Control::_get_parent_range(int p_idx) const {
 	
-	if (!is_inside_scene()) {
+	if (!is_inside_tree()) {
 	
 		return 1.0;
 		
@@ -1748,7 +1748,7 @@ float Control::_a2s(float p_val, AnchorType p_anchor,float p_range) const {
 
 void Control::set_anchor(Margin p_margin,AnchorType p_anchor) {
 	
-	if (!is_inside_scene()) {
+	if (!is_inside_tree()) {
 		
 		data.anchor[p_margin]=p_anchor;
 	} else {
@@ -1980,7 +1980,7 @@ void Control::add_constant_override(const StringName& p_name, int p_constant) {
 
 void Control::set_focus_mode(FocusMode p_focus_mode) {
 
-	if (is_inside_scene() && p_focus_mode == FOCUS_NONE && data.focus_mode!=FOCUS_NONE && has_focus())
+	if (is_inside_tree() && p_focus_mode == FOCUS_NONE && data.focus_mode!=FOCUS_NONE && has_focus())
 		release_focus();
 
 	data.focus_mode=p_focus_mode;
@@ -2178,7 +2178,7 @@ bool Control::has_focus() const {
 
 void Control::grab_focus() {
 
-	ERR_FAIL_COND(!is_inside_scene());
+	ERR_FAIL_COND(!is_inside_tree());
 	ERR_FAIL_COND(!data.window);
 	
 	if (data.focus_mode==FOCUS_NONE)
@@ -2188,7 +2188,7 @@ void Control::grab_focus() {
 	if (data.window->window->key_focus && data.window->window->key_focus==this)
 		return;
 		
-	get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,"windows","_window_remove_focus");	
+	get_tree()->call_group(SceneTree::GROUP_CALL_REALTIME,"windows","_window_remove_focus");	
 	data.window->window->key_focus=this;
 	notification(NOTIFICATION_FOCUS_ENTER);
 #ifdef DEBUG_ENABLED
@@ -2202,13 +2202,13 @@ void Control::grab_focus() {
 
 void Control::release_focus() {
 
-	ERR_FAIL_COND(!is_inside_scene());
+	ERR_FAIL_COND(!is_inside_tree());
 	ERR_FAIL_COND(!data.window);
 
 	if (!has_focus())
 		return;
 
-	get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,"windows","_window_remove_focus");
+	get_tree()->call_group(SceneTree::GROUP_CALL_REALTIME,"windows","_window_remove_focus");
 	//data.window->window->key_focus=this;
 	//notification(NOTIFICATION_FOCUS_ENTER);
 	update();
@@ -2217,12 +2217,12 @@ void Control::release_focus() {
 
 bool Control::is_toplevel_control() const {
 
-	return is_inside_scene() && (!data.parent_canvas_item && !window && is_set_as_toplevel());
+	return is_inside_tree() && (!data.parent_canvas_item && !window && is_set_as_toplevel());
 }
 
 void Control::show_modal(bool p_exclusive) {
 	
-	ERR_FAIL_COND(!is_inside_scene());
+	ERR_FAIL_COND(!is_inside_tree());
 	ERR_FAIL_COND(!data.SI && data.window!=this);
 	ERR_FAIL_COND(!data.window);
 
@@ -2282,7 +2282,7 @@ void Control::_modal_stack_remove() {
 			if (!pfoc)
 				return;
 
-			if (!pfoc->is_inside_scene() || !pfoc->is_visible())
+			if (!pfoc->is_inside_tree() || !pfoc->is_visible())
 				return;
 			pfoc->grab_focus();
 		} else {
@@ -2332,13 +2332,13 @@ void Control::set_theme(const Ref<Theme>& p_theme) {
 void Control::_window_accept_event() {
 
 	window->key_event_accepted=true;
-	if (is_inside_scene())
-		get_scene()->set_input_as_handled();
+	if (is_inside_tree())
+		get_tree()->set_input_as_handled();
 
 }
 void Control::accept_event() {
 
-	if (is_inside_scene() && get_window())
+	if (is_inside_tree() && get_window())
 		get_window()->_window_accept_event();
 
 }
@@ -2585,7 +2585,7 @@ float Control::get_stretch_ratio() const {
 
 void Control::grab_click_focus() {
 
-	ERR_FAIL_COND(!is_inside_scene());
+	ERR_FAIL_COND(!is_inside_tree());
 
 	if (data.window && data.window->window->mouse_focus) {
 
@@ -2620,7 +2620,7 @@ void Control::grab_click_focus() {
 
 void Control::minimum_size_changed() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	if (data.pending_min_size_update)
@@ -2663,7 +2663,7 @@ bool Control::is_stopping_mouse() const {
 
 Control *Control::get_focus_owner() const {
 
-	ERR_FAIL_COND_V(!is_inside_scene(),NULL);
+	ERR_FAIL_COND_V(!is_inside_tree(),NULL);
 	ERR_FAIL_COND_V(!window,NULL);
 	return window->key_focus;
 }
diff --git a/scene/gui/dialogs.cpp b/scene/gui/dialogs.cpp
index 90393a1296..a82cfc7ea6 100644
--- a/scene/gui/dialogs.cpp
+++ b/scene/gui/dialogs.cpp
@@ -93,7 +93,7 @@ void WindowDialog::_notification(int p_what) {
 
 		} break;
 		case NOTIFICATION_THEME_CHANGED:
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			close_button->set_normal_texture( get_icon("close","WindowDialog"));
 			close_button->set_pressed_texture( get_icon("close","WindowDialog"));
diff --git a/scene/gui/label.cpp b/scene/gui/label.cpp
index 36940655d4..d2e1e7f0b9 100644
--- a/scene/gui/label.cpp
+++ b/scene/gui/label.cpp
@@ -339,7 +339,7 @@ int Label::get_longest_line_width() const {
 
 int Label::get_line_count() const {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return 1;
 	if (word_cache_dirty)
 		const_cast<Label*>(this)->regenerate_word_cache();
diff --git a/scene/gui/line_edit.cpp b/scene/gui/line_edit.cpp
index a77a40327f..68c990033a 100644
--- a/scene/gui/line_edit.cpp
+++ b/scene/gui/line_edit.cpp
@@ -572,7 +572,7 @@ void LineEdit::set_cursor_pos(int p_pos) {
 //	set_window_pos(cursor_pos-get_window_lengt//h());
 //	}
 	
-	if (!is_inside_scene()) {
+	if (!is_inside_tree()) {
 		
 		window_pos=cursor_pos;
 		return;
diff --git a/scene/gui/option_button.cpp b/scene/gui/option_button.cpp
index fa4a313115..78cc1bcdef 100644
--- a/scene/gui/option_button.cpp
+++ b/scene/gui/option_button.cpp
@@ -192,7 +192,7 @@ void OptionButton::_select(int p_idx,bool p_emit) {
 	set_text( popup->get_item_text( current ) );
 	set_icon( popup->get_item_icon( current ) );
 
-	if (is_inside_scene() && p_emit)
+	if (is_inside_tree() && p_emit)
 		emit_signal("item_selected",current);
 }
 
diff --git a/scene/gui/range.cpp b/scene/gui/range.cpp
index bc0fa9675e..4d0b678925 100644
--- a/scene/gui/range.cpp
+++ b/scene/gui/range.cpp
@@ -42,7 +42,7 @@ void Range::Shared::emit_value_changed() {
 
 	for (Set<Range*>::Element *E=owners.front();E;E=E->next()) {
 		Range *r=E->get();
-		if (!r->is_inside_scene())
+		if (!r->is_inside_tree())
 			continue;
 		r->_value_changed_notify();
 	}
@@ -59,7 +59,7 @@ void Range::Shared::emit_changed() {
 
 	for (Set<Range*>::Element *E=owners.front();E;E=E->next()) {
 		Range *r=E->get();
-		if (!r->is_inside_scene())
+		if (!r->is_inside_tree())
 			continue;
 		r->_changed_notify();
 	}
diff --git a/scene/gui/reference_frame.cpp b/scene/gui/reference_frame.cpp
index 679c2cc1e2..44ba3a8972 100644
--- a/scene/gui/reference_frame.cpp
+++ b/scene/gui/reference_frame.cpp
@@ -32,9 +32,9 @@ void ReferenceFrame::_notification(int p_what) {
 
 	if (p_what==NOTIFICATION_DRAW) {
 
-		if (!is_inside_scene())
+		if (!is_inside_tree())
 			return;
-		if (get_scene()->is_editor_hint())
+		if (get_tree()->is_editor_hint())
 			draw_style_box(get_stylebox("border"),Rect2(Point2(),get_size())) ;
 	}
 }
diff --git a/scene/gui/scroll_bar.cpp b/scene/gui/scroll_bar.cpp
index c661a804b3..aaf96114c6 100644
--- a/scene/gui/scroll_bar.cpp
+++ b/scene/gui/scroll_bar.cpp
@@ -293,7 +293,7 @@ void ScrollBar::_notification(int p_what) {
 		
 	}
 	
-	if (p_what==NOTIFICATION_ENTER_SCENE) {
+	if (p_what==NOTIFICATION_ENTER_TREE) {
 
 
 		if (has_node(drag_slave_path)) {
@@ -303,16 +303,16 @@ void ScrollBar::_notification(int p_what) {
 
 		if (drag_slave) {
 			drag_slave->connect("input_event",this,"_drag_slave_input");
-			drag_slave->connect("exit_scene",this,"_drag_slave_exit",varray(),CONNECT_ONESHOT);
+			drag_slave->connect("exit_tree",this,"_drag_slave_exit",varray(),CONNECT_ONESHOT);
 		}
 
 
 	}
-	if (p_what==NOTIFICATION_EXIT_SCENE) {
+	if (p_what==NOTIFICATION_EXIT_TREE) {
 
 		if (drag_slave) {
 			drag_slave->disconnect("input_event",this,"_drag_slave_input");
-			drag_slave->disconnect("exit_scene",this,"_drag_slave_exit");
+			drag_slave->disconnect("exit_tree",this,"_drag_slave_exit");
 		}
 
 		drag_slave=NULL;
@@ -635,18 +635,18 @@ void ScrollBar::_drag_slave_input(const InputEvent& p_input) {
 
 void ScrollBar::set_drag_slave(const NodePath& p_path) {
 
-	if (is_inside_scene()) {
+	if (is_inside_tree()) {
 
 		if (drag_slave) {
 			drag_slave->disconnect("input_event",this,"_drag_slave_input");
-			drag_slave->disconnect("exit_scene",this,"_drag_slave_exit");
+			drag_slave->disconnect("exit_tree",this,"_drag_slave_exit");
 		}
 	}
 
 	drag_slave=NULL;
 	drag_slave_path=p_path;
 
-	if (is_inside_scene()) {
+	if (is_inside_tree()) {
 
 		if (has_node(p_path)) {
 			Node *n = get_node(p_path);
@@ -655,7 +655,7 @@ void ScrollBar::set_drag_slave(const NodePath& p_path) {
 
 		if (drag_slave) {
 			drag_slave->connect("input_event",this,"_drag_slave_input");
-			drag_slave->connect("exit_scene",this,"_drag_slave_exit",varray(),CONNECT_ONESHOT);
+			drag_slave->connect("exit_tree",this,"_drag_slave_exit",varray(),CONNECT_ONESHOT);
 		}
 	}
 }
diff --git a/scene/gui/scroll_container.cpp b/scene/gui/scroll_container.cpp
index c8f9ed16b5..95354df519 100644
--- a/scene/gui/scroll_container.cpp
+++ b/scene/gui/scroll_container.cpp
@@ -169,7 +169,7 @@ void ScrollContainer::_update_scrollbar_pos() {
 
 void ScrollContainer::_notification(int p_what) {
 
-	if (p_what == NOTIFICATION_ENTER_SCENE || p_what == NOTIFICATION_THEME_CHANGED) {
+	if (p_what == NOTIFICATION_ENTER_TREE || p_what == NOTIFICATION_THEME_CHANGED) {
 
 		call_deferred("_update_scrollbar_pos");
 	};
diff --git a/scene/gui/spin_box.cpp b/scene/gui/spin_box.cpp
index 59f4386996..9ac67e92f5 100644
--- a/scene/gui/spin_box.cpp
+++ b/scene/gui/spin_box.cpp
@@ -122,7 +122,7 @@ void SpinBox::_notification(int p_what) {
 
 
 		//_value_changed(0);
-	} else if (p_what==NOTIFICATION_ENTER_SCENE) {
+	} else if (p_what==NOTIFICATION_ENTER_TREE) {
 
 		_value_changed(0);
 	}
diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 6aabfa35a8..4a0a77e6db 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -360,7 +360,7 @@ void TextEdit::_update_scrollbars() {
 void TextEdit::_notification(int p_what) {
 
 	switch(p_what) {
-		 case NOTIFICATION_ENTER_SCENE: {
+		 case NOTIFICATION_ENTER_TREE: {
 
 			_update_caches();
 			if (cursor_changed_dirty)
@@ -1868,7 +1868,7 @@ void TextEdit::_base_insert_text(int p_line, int p_char,const String& p_text,int
 
 	if (!text_changed_dirty && !setting_text) {
 
-		if (is_inside_scene())
+		if (is_inside_tree())
 			MessageQueue::get_singleton()->push_call(this,"_text_changed_emit");
 		text_changed_dirty=true;
 	}
@@ -1921,7 +1921,7 @@ void TextEdit::_base_remove_text(int p_from_line, int p_from_column,int p_to_lin
 
 	if (!text_changed_dirty && !setting_text) {
 
-		if (is_inside_scene())
+		if (is_inside_tree())
 			MessageQueue::get_singleton()->push_call(this,"_text_changed_emit");
 		text_changed_dirty=true;
 	}
@@ -2133,7 +2133,7 @@ void TextEdit::cursor_set_column(int p_col) {
 
 	if (!cursor_changed_dirty) {
 
-		if (is_inside_scene())
+		if (is_inside_tree())
 			MessageQueue::get_singleton()->push_call(this,"_cursor_changed_emit");
 		cursor_changed_dirty=true;
 	}
@@ -2165,7 +2165,7 @@ void TextEdit::cursor_set_line(int p_row) {
 
 	if (!cursor_changed_dirty) {
 
-		if (is_inside_scene())
+		if (is_inside_tree())
 			MessageQueue::get_singleton()->push_call(this,"_cursor_changed_emit");
 		cursor_changed_dirty=true;
 	}
diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp
index a39c61ecac..db9142cb99 100644
--- a/scene/gui/tree.cpp
+++ b/scene/gui/tree.cpp
@@ -1499,7 +1499,7 @@ int Tree::propagate_mouse_event(const Point2i &p_pos,int x_ofs,int y_ofs,bool p_
 			case TreeItem::CELL_MODE_STRING: {
 				//nothing in particular
 
-				if (select_mode==SELECT_MULTI && (get_scene()->get_last_event_id() == focus_in_id || !already_cursor)) {
+				if (select_mode==SELECT_MULTI && (get_tree()->get_last_event_id() == focus_in_id || !already_cursor)) {
 					bring_up_editor=false;
 				}
 
@@ -1575,7 +1575,7 @@ int Tree::propagate_mouse_event(const Point2i &p_pos,int x_ofs,int y_ofs,bool p_
 
 						editor_text=String::num( p_item->cells[col].val, Math::decimals( p_item->cells[col].step ) );
 						bring_up_value_editor=false;
-						if (select_mode==SELECT_MULTI && get_scene()->get_last_event_id() == focus_in_id)
+						if (select_mode==SELECT_MULTI && get_tree()->get_last_event_id() == focus_in_id)
 							bring_up_editor=false;
 
 					}	
@@ -2343,7 +2343,7 @@ void Tree::_notification(int p_what) {
 
 	if (p_what==NOTIFICATION_FOCUS_ENTER) {
 
-		focus_in_id=get_scene()->get_last_event_id();
+		focus_in_id=get_tree()->get_last_event_id();
 	}
 	if (p_what==NOTIFICATION_MOUSE_EXIT) {
 
@@ -2353,7 +2353,7 @@ void Tree::_notification(int p_what) {
 		}
 	}
 
-	if (p_what==NOTIFICATION_ENTER_SCENE) {
+	if (p_what==NOTIFICATION_ENTER_TREE) {
 
 		update_cache();;
 	}
@@ -2811,7 +2811,7 @@ int Tree::get_item_offset(TreeItem *p_item) const {
 
 void Tree::ensure_cursor_is_visible() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	TreeItem *selected = get_selected();
diff --git a/scene/gui/video_player.cpp b/scene/gui/video_player.cpp
index 0d77560d7b..857ea25d0f 100644
--- a/scene/gui/video_player.cpp
+++ b/scene/gui/video_player.cpp
@@ -32,10 +32,10 @@ void VideoPlayer::_notification(int p_notification) {
 
 	switch (p_notification) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			//set_idle_process(false); //don't annoy
-			if (stream.is_valid() && autoplay && !get_scene()->is_editor_hint())
+			if (stream.is_valid() && autoplay && !get_tree()->is_editor_hint())
 				play();
 		} break;
 
@@ -48,7 +48,7 @@ void VideoPlayer::_notification(int p_notification) {
 			if (!stream->is_playing())
 				return;
 
-			stream->update(get_scene()->get_idle_process_time());
+			stream->update(get_tree()->get_idle_process_time());
 			int prev_width = texture->get_width();
 			stream->pop_frame(texture);
 			if (prev_width == 0) {
@@ -118,7 +118,7 @@ Ref<VideoStream> VideoPlayer::get_stream() const {
 
 void VideoPlayer::play() {
 
-	ERR_FAIL_COND(!is_inside_scene());
+	ERR_FAIL_COND(!is_inside_tree());
 	if (stream.is_null())
 		return;
 	stream->play();
@@ -127,7 +127,7 @@ void VideoPlayer::play() {
 
 void VideoPlayer::stop() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 	if (stream.is_null())
 		return;
diff --git a/scene/main/canvas_layer.cpp b/scene/main/canvas_layer.cpp
index 5006f55daf..ae842577a9 100644
--- a/scene/main/canvas_layer.cpp
+++ b/scene/main/canvas_layer.cpp
@@ -144,7 +144,7 @@ void CanvasLayer::_notification(int p_what) {
 
 	switch(p_what) {
 
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			Node *n = this;
 			vp=NULL;
@@ -169,7 +169,7 @@ void CanvasLayer::_notification(int p_what) {
 
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 			VisualServer::get_singleton()->viewport_remove_canvas(viewport,canvas->get_canvas());
 			viewport=RID();
@@ -180,7 +180,7 @@ void CanvasLayer::_notification(int p_what) {
 
 Size2 CanvasLayer::get_viewport_size() const {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return Size2(1,1);
 
 	Rect2 r = vp->get_visible_rect();
diff --git a/scene/main/node.cpp b/scene/main/node.cpp
index 667b4639a9..292e4d1a7b 100644
--- a/scene/main/node.cpp
+++ b/scene/main/node.cpp
@@ -64,7 +64,7 @@ void Node::_notification(int p_notification) {
 			}
 
 		} break;
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 			if (data.pause_mode==PAUSE_MODE_INHERIT) {
 
@@ -83,12 +83,12 @@ void Node::_notification(int p_notification) {
 			if (data.unhandled_key_input)
 				add_to_group("_vp_unhandled_key_input"+itos(get_viewport()->get_instance_ID()));
 
-			get_scene()->node_count++;
+			get_tree()->node_count++;
 
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
-			get_scene()->node_count--;
+			get_tree()->node_count--;
 			if (data.input)
 				remove_from_group("_vp_input"+itos(get_viewport()->get_instance_ID()));
 			if (data.unhandled_input)
@@ -104,7 +104,7 @@ void Node::_notification(int p_notification) {
 				Variant::CallError err;
 				get_script_instance()->call_multilevel_reversed(SceneStringNames::get_singleton()->_ready,NULL,0);
 			}
-			//emit_signal(SceneStringNames::get_singleton()->enter_scene);
+			//emit_signal(SceneStringNames::get_singleton()->enter_tree);
 
 		} break;
 		case NOTIFICATION_POSTINITIALIZE: {
@@ -150,11 +150,11 @@ void Node::_propagate_ready() {
 }
 
 
-void Node::_propagate_enter_scene() {
-	// this needs to happen to all childs before any ENTER_SCENE
+void Node::_propagate_enter_tree() {
+	// this needs to happen to all childs before any enter_tree
 
 	if (data.parent) {
-		data.scene=data.parent->data.scene;
+		data.tree=data.parent->data.tree;
 		data.depth=data.parent->data.depth+1;
 	} else {
 
@@ -165,25 +165,25 @@ void Node::_propagate_enter_scene() {
 	if (!data.viewport)
 		data.viewport = data.parent->data.viewport;
 
-	data.inside_scene=true;
+	data.inside_tree=true;
 
 	const StringName *K=NULL;
 
 	while ((K=data.grouped.next(K))) {
 
-		data.scene->add_to_group(*K,this);
+		data.tree->add_to_group(*K,this);
 	}
 
 
-	notification(NOTIFICATION_ENTER_SCENE);
+	notification(NOTIFICATION_ENTER_TREE);
 
 	if (get_script_instance()) {
 
 		Variant::CallError err;
-		get_script_instance()->call_multilevel_reversed(SceneStringNames::get_singleton()->_enter_scene,NULL,0);
+		get_script_instance()->call_multilevel_reversed(SceneStringNames::get_singleton()->_enter_tree,NULL,0);
 	}
 
-	emit_signal(SceneStringNames::get_singleton()->enter_scene);
+	emit_signal(SceneStringNames::get_singleton()->enter_tree);
 
 
 	data.blocked++;
@@ -191,8 +191,8 @@ void Node::_propagate_enter_scene() {
 
 	for (int i=0;i<data.children.size();i++) {
 		
-		if (!data.children[i]->is_inside_scene()) // could have been added in ENTER_SCENE
-			data.children[i]->_propagate_enter_scene();
+		if (!data.children[i]->is_inside_tree()) // could have been added in enter_tree
+			data.children[i]->_propagate_enter_tree();
 	}	
 
 	data.blocked--;
@@ -201,7 +201,7 @@ void Node::_propagate_enter_scene() {
 
 
 
-void Node::_propagate_exit_scene() {
+void Node::_propagate_exit_tree() {
 
 	//block while removing children
 
@@ -209,7 +209,7 @@ void Node::_propagate_exit_scene() {
 
 	for (int i=data.children.size()-1;i>=0;i--) {
 
-		data.children[i]->_propagate_exit_scene();
+		data.children[i]->_propagate_exit_tree();
 	}
 
 	data.blocked--;
@@ -217,29 +217,29 @@ void Node::_propagate_exit_scene() {
 	if (get_script_instance()) {
 
 		Variant::CallError err;
-		get_script_instance()->call_multilevel(SceneStringNames::get_singleton()->_exit_scene,NULL,0);
+		get_script_instance()->call_multilevel(SceneStringNames::get_singleton()->_exit_tree,NULL,0);
 	}
-	emit_signal(SceneStringNames::get_singleton()->exit_scene);
+	emit_signal(SceneStringNames::get_singleton()->exit_tree);
 
-	notification(NOTIFICATION_EXIT_SCENE,true);
-	if (data.scene)
-		data.scene->node_removed(this);
+	notification(NOTIFICATION_EXIT_TREE,true);
+	if (data.tree)
+		data.tree->node_removed(this);
 
 	// exit groups
 	const StringName *K=NULL;
 
 	while ((K=data.grouped.next(K))) {
 
-		data.scene->remove_from_group(*K,this);
+		data.tree->remove_from_group(*K,this);
 	}
 
 	data.viewport = NULL;
 
-	if (data.scene)
-		data.scene->tree_changed();
+	if (data.tree)
+		data.tree->tree_changed();
 
-	data.inside_scene=false;
-	data.scene=NULL;
+	data.inside_tree=false;
+	data.tree=NULL;
 	data.depth=-1;
 
 }
@@ -260,8 +260,8 @@ void Node::move_child(Node *p_child,int p_pos) {
 	data.children.remove( p_child->data.pos );
 	data.children.insert( p_pos, p_child );
 
-	if (data.scene) {
-		data.scene->tree_changed();
+	if (data.tree) {
+		data.tree->tree_changed();
 	}
 
 	data.blocked++;
@@ -333,7 +333,7 @@ void Node::set_pause_mode(PauseMode p_mode) {
 
 	bool prev_inherits=data.pause_mode==PAUSE_MODE_INHERIT;
 	data.pause_mode=p_mode;
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return; //pointless
 	if ((data.pause_mode==PAUSE_MODE_INHERIT) == prev_inherits)
 		return; ///nothing changed
@@ -372,9 +372,9 @@ void Node::_propagate_pause_owner(Node*p_owner) {
 
 bool Node::can_process() const {
 
-	ERR_FAIL_COND_V( !is_inside_scene(), false );
+	ERR_FAIL_COND_V( !is_inside_tree(), false );
 
-	if (get_scene()->is_paused()) {
+	if (get_tree()->is_paused()) {
 
 		if (data.pause_mode==PAUSE_MODE_PROCESS)
 			return true;
@@ -395,8 +395,8 @@ bool Node::can_process() const {
 
 float Node::get_fixed_process_delta_time() const {
 	
-	if (data.scene)
-		return data.scene->get_fixed_process_time();
+	if (data.tree)
+		return data.tree->get_fixed_process_time();
 	else
 		return 0;
 }
@@ -419,8 +419,8 @@ void Node::set_process(bool p_idle_process) {
 
 float Node::get_process_delta_time() const {
 
-	if (data.scene)
-		return data.scene->get_idle_process_time();
+	if (data.tree)
+		return data.tree->get_idle_process_time();
 	else
 		return 0;
 }
@@ -442,7 +442,7 @@ void Node::set_process_input(bool p_enable) {
 		return;
 
 	data.input=p_enable;
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	if (p_enable)
@@ -462,7 +462,7 @@ void Node::set_process_unhandled_input(bool p_enable) {
 	if (p_enable==data.unhandled_input)
 		return;
 	data.unhandled_input=p_enable;
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	if (p_enable)
@@ -482,7 +482,7 @@ void Node::set_process_unhandled_key_input(bool p_enable) {
 	if (p_enable==data.unhandled_key_input)
 		return;
 	data.unhandled_key_input=p_enable;
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	if (p_enable)
@@ -520,10 +520,10 @@ void Node::set_name(const String& p_name) {
 		data.parent->_validate_child_name(this);
 	}
 
-	if (is_inside_scene()) {
+	if (is_inside_tree()) {
 
 		emit_signal("renamed");
-		get_scene()->tree_changed();
+		get_tree()->tree_changed();
 	}
 }
 
@@ -630,8 +630,8 @@ void Node::_add_child_nocheck(Node* p_child,const StringName& p_name) {
 	data.children.push_back( p_child );
 	p_child->data.parent=this;
 
-	if (data.scene) {
-		p_child->_set_scene(data.scene);
+	if (data.tree) {
+		p_child->_set_tree(data.tree);
 	}
 
 	/* Notify */
@@ -719,7 +719,7 @@ void Node::remove_child(Node *p_child) {
 	
 	//if (data.scene) { does not matter
 		
-		p_child->_set_scene(NULL);
+		p_child->_set_tree(NULL);
 	//}
 	
 	remove_child_notify(p_child); 
@@ -755,7 +755,7 @@ Node *Node::get_child(int p_index) const {
 
 Node *Node::_get_node(const NodePath& p_path) const {
 
-	ERR_FAIL_COND_V( !data.inside_scene && p_path.is_absolute(), NULL );
+	ERR_FAIL_COND_V( !data.inside_tree && p_path.is_absolute(), NULL );
 	
 	Node *current=NULL;	
 	Node *root=NULL;
@@ -851,8 +851,8 @@ bool Node::is_a_parent_of(const Node *p_node) const {
 bool Node::is_greater_than(const Node *p_node) const {
 
 	ERR_FAIL_NULL_V(p_node,false);
-	ERR_FAIL_COND_V( !data.inside_scene, false );
-	ERR_FAIL_COND_V( !p_node->data.inside_scene, false );
+	ERR_FAIL_COND_V( !data.inside_tree, false );
+	ERR_FAIL_COND_V( !p_node->data.inside_tree, false );
 	
 	ERR_FAIL_COND_V( data.depth<0, false);
 	ERR_FAIL_COND_V( p_node->data.depth<0, false);
@@ -1023,7 +1023,7 @@ NodePath Node::get_path_to(const Node *p_node) const {
 
 NodePath Node::get_path() const {
 	
-	ERR_FAIL_COND_V(!is_inside_scene(),NodePath());
+	ERR_FAIL_COND_V(!is_inside_tree(),NodePath());
 	const Node *n = this;
 	
 	Vector<StringName> path;
@@ -1052,8 +1052,8 @@ void Node::add_to_group(const StringName& p_identifier,bool p_persistent) {
 	
 	GroupData gd;
 	
-	if (data.scene)
-		data.scene->add_to_group(p_identifier,this);
+	if (data.tree)
+		data.tree->add_to_group(p_identifier,this);
 
 	gd.persistent=p_persistent;		
 		
@@ -1070,8 +1070,8 @@ void Node::remove_from_group(const StringName& p_identifier) {
 	
 	ERR_FAIL_COND(!g);
 	
-	if (data.scene)
-		data.scene->remove_from_group(p_identifier,this);
+	if (data.tree)
+		data.tree->remove_from_group(p_identifier,this);
 
 	data.grouped.erase(p_identifier);	
 
@@ -1131,7 +1131,7 @@ void Node::_propagate_reverse_notification(int p_notification) {
 
 void Node::_propagate_deferred_notification(int p_notification, bool p_reverse) {
 
-	ERR_FAIL_COND(!is_inside_scene());
+	ERR_FAIL_COND(!is_inside_tree());
 
 	data.blocked++;
 
@@ -1624,29 +1624,29 @@ Node *Node::get_node_and_resource(const NodePath& p_path,RES& r_res) const {
 	return node;
 }
 
-void Node::_set_scene(SceneMainLoop *p_scene) {
+void Node::_set_tree(SceneTree *p_tree) {
 
-	SceneMainLoop *tree_changed_a=NULL;
-	SceneMainLoop *tree_changed_b=NULL;
+	SceneTree *tree_changed_a=NULL;
+	SceneTree *tree_changed_b=NULL;
 
 //	ERR_FAIL_COND(p_scene && data.parent && !data.parent->data.scene); //nobug if both are null
 
-	if (data.scene) {
-		_propagate_exit_scene();
+	if (data.tree) {
+		_propagate_exit_tree();
 
-		tree_changed_a=data.scene;
+		tree_changed_a=data.tree;
 	}
 
 
-	data.scene=p_scene;
+	data.tree=p_tree;
 
-	if (data.scene) {
+	if (data.tree) {
 
 
-		_propagate_enter_scene();
+		_propagate_enter_tree();
 		_propagate_ready(); //reverse_notification(NOTIFICATION_READY);
 
-		tree_changed_b=data.scene;
+		tree_changed_b=data.tree;
 
 	}
 
@@ -1664,7 +1664,7 @@ static void _Node_debug_sn(Object *p_obj) {
 	if (!n)
 		return;
 
-	if (n->is_inside_scene())
+	if (n->is_inside_tree())
 		return;
 
 	Node *p=n;
@@ -1696,8 +1696,8 @@ void Node::print_stray_nodes() {
 
 void Node::queue_delete() {
 
-	ERR_FAIL_COND( !is_inside_scene() );
-	get_scene()->queue_delete(this);
+	ERR_FAIL_COND( !is_inside_tree() );
+	get_tree()->queue_delete(this);
 }
 
 Array Node::_get_children() const {
@@ -1742,7 +1742,7 @@ void Node::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("has_node_and_resource","path"),&Node::has_node_and_resource);
 	ObjectTypeDB::bind_method(_MD("get_node_and_resource","path"),&Node::_get_node_and_resource);
 
-	ObjectTypeDB::bind_method(_MD("is_inside_scene"),&Node::is_inside_scene);
+	ObjectTypeDB::bind_method(_MD("is_inside_tree"),&Node::is_inside_tree);
 	ObjectTypeDB::bind_method(_MD("is_a_parent_of","node:Node"),&Node::is_a_parent_of);
 	ObjectTypeDB::bind_method(_MD("is_greater_than","node:Node"),&Node::is_greater_than);
 	ObjectTypeDB::bind_method(_MD("get_path"),&Node::get_path);
@@ -1779,7 +1779,7 @@ void Node::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("print_stray_nodes"),&Node::_print_stray_nodes);
 	ObjectTypeDB::bind_method(_MD("get_position_in_parent"),&Node::get_position_in_parent);
 
-	ObjectTypeDB::bind_method(_MD("get_scene:SceneMainLoop"),&Node::get_scene);
+	ObjectTypeDB::bind_method(_MD("get_tree:SceneTree"),&Node::get_tree);
 
 	ObjectTypeDB::bind_method(_MD("duplicate:Node"),&Node::duplicate);
 	ObjectTypeDB::bind_method(_MD("replace_by","node:Node","keep_data"),&Node::replace_by,DEFVAL(false));
@@ -1794,8 +1794,8 @@ void Node::_bind_methods() {
 
 #endif
 
-	BIND_CONSTANT( NOTIFICATION_ENTER_SCENE );
-	BIND_CONSTANT( NOTIFICATION_EXIT_SCENE );
+	BIND_CONSTANT( NOTIFICATION_ENTER_TREE );
+	BIND_CONSTANT( NOTIFICATION_EXIT_TREE );
 	BIND_CONSTANT( NOTIFICATION_MOVED_IN_PARENT );
 	//BIND_CONSTANT( NOTIFICATION_PARENT_DECONFIGURED );
 	BIND_CONSTANT( NOTIFICATION_READY );
@@ -1812,8 +1812,8 @@ void Node::_bind_methods() {
 	BIND_CONSTANT( PAUSE_MODE_PROCESS );
 
 	ADD_SIGNAL( MethodInfo("renamed") );
-	ADD_SIGNAL( MethodInfo("enter_scene") );
-	ADD_SIGNAL( MethodInfo("exit_scene") );
+	ADD_SIGNAL( MethodInfo("enter_tree") );
+	ADD_SIGNAL( MethodInfo("exit_tree") );
 
 //	ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "process/process" ),_SCS("set_process"),_SCS("is_processing") );
 //	ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "process/fixed_process" ), _SCS("set_fixed_process"),_SCS("is_fixed_processing") );
@@ -1823,8 +1823,8 @@ void Node::_bind_methods() {
 
 	BIND_VMETHOD( MethodInfo("_process",PropertyInfo(Variant::REAL,"delta")) );
 	BIND_VMETHOD( MethodInfo("_fixed_process",PropertyInfo(Variant::REAL,"delta")) );
-	BIND_VMETHOD( MethodInfo("_enter_scene") );
-	BIND_VMETHOD( MethodInfo("_exit_scene") );
+	BIND_VMETHOD( MethodInfo("_enter_tree") );
+	BIND_VMETHOD( MethodInfo("_exit_tree") );
 	BIND_VMETHOD( MethodInfo("_ready") );
 	BIND_VMETHOD( MethodInfo("_input",PropertyInfo(Variant::INPUT_EVENT,"event")) );
 	BIND_VMETHOD( MethodInfo("_unhandled_input",PropertyInfo(Variant::INPUT_EVENT,"event")) );
@@ -1841,10 +1841,10 @@ Node::Node() {
 	data.depth=-1;
 	data.blocked=0;
 	data.parent=NULL;
-	data.scene=NULL;
+	data.tree=NULL;
 	data.fixed_process=false;
 	data.idle_process=false;
-	data.inside_scene=false;
+	data.inside_tree=false;
 
 	data.owner=NULL;
 	data.OW=NULL;
diff --git a/scene/main/node.h b/scene/main/node.h
index f1ecf497e0..9229e2f9bb 100644
--- a/scene/main/node.h
+++ b/scene/main/node.h
@@ -80,8 +80,8 @@ private:
 		int depth;
 		int blocked; // safeguard that throws an error when attempting to modify the tree in a harmful way while being traversed.
 		StringName name;
-		SceneMainLoop *scene;
-		bool inside_scene;
+		SceneTree *tree;
+		bool inside_tree;
 #ifdef TOOLS_ENABLED
 		NodePath import_path; //path used when imported, used by scene editors to keep tracking
 #endif
@@ -118,9 +118,9 @@ private:
 
 	void _propagate_reverse_notification(int p_notification);	
 	void _propagate_deferred_notification(int p_notification, bool p_reverse);
-	void _propagate_enter_scene();
+	void _propagate_enter_tree();
 	void _propagate_ready();
-	void _propagate_exit_scene();
+	void _propagate_exit_tree();
 	void _propagate_validate_owner();
 	void _print_stray_nodes();
 	void _propagate_pause_owner(Node*p_owner);
@@ -130,9 +130,9 @@ private:
 	Array _get_children() const;
 	Array _get_groups() const;
 
-friend class SceneMainLoop;
+friend class SceneTree;
 
-	void _set_scene(SceneMainLoop *p_scene);
+	void _set_tree(SceneTree *p_tree);
 protected:
 
 	void _block() { data.blocked++; }
@@ -158,8 +158,8 @@ public:
 
 	enum {
 		// you can make your own, but don't use the same numbers as other notifications in other nodes
-		NOTIFICATION_ENTER_SCENE=10,
-		NOTIFICATION_EXIT_SCENE =11,
+		NOTIFICATION_ENTER_TREE=10,
+		NOTIFICATION_EXIT_TREE =11,
 		NOTIFICATION_MOVED_IN_PARENT =12,
 		NOTIFICATION_READY=13,
 		//NOTIFICATION_PARENT_DECONFIGURED =15, - it's confusing, it's going away
@@ -187,9 +187,9 @@ public:
 	Node *get_node_and_resource(const NodePath& p_path,RES& r_res) const;
 	
 	Node *get_parent() const;
-	_FORCE_INLINE_ SceneMainLoop *get_scene() const { ERR_FAIL_COND_V( !data.scene, NULL ); return data.scene; }
+	_FORCE_INLINE_ SceneTree *get_tree() const { ERR_FAIL_COND_V( !data.tree, NULL ); return data.tree; }
 
-	_FORCE_INLINE_ bool is_inside_scene() const { return data.inside_scene; }
+	_FORCE_INLINE_ bool is_inside_tree() const { return data.inside_tree; }
 	
 	bool is_a_parent_of(const Node *p_node) const;
 	bool is_greater_than(const Node *p_node) const;
diff --git a/scene/main/scene_main_loop.cpp b/scene/main/scene_main_loop.cpp
index c51974167d..47089638bb 100644
--- a/scene/main/scene_main_loop.cpp
+++ b/scene/main/scene_main_loop.cpp
@@ -43,13 +43,13 @@
 #include "viewport.h"
 
 
-void SceneMainLoop::tree_changed() {
+void SceneTree::tree_changed() {
 
 	tree_version++;
 	emit_signal(tree_changed_name);
 }
 
-void SceneMainLoop::node_removed(Node *p_node) {
+void SceneTree::node_removed(Node *p_node) {
 
 	emit_signal(node_removed_name,p_node);
 	if (call_lock>0)
@@ -59,7 +59,7 @@ void SceneMainLoop::node_removed(Node *p_node) {
 }
 
 
-void SceneMainLoop::add_to_group(const StringName& p_group, Node *p_node) {
+void SceneTree::add_to_group(const StringName& p_group, Node *p_node) {
 
 	Map<StringName,Group>::Element *E=group_map.find(p_group);
 	if (!E) {
@@ -74,7 +74,7 @@ void SceneMainLoop::add_to_group(const StringName& p_group, Node *p_node) {
 	E->get().last_tree_version=0;
 }
 
-void SceneMainLoop::remove_from_group(const StringName& p_group, Node *p_node) {
+void SceneTree::remove_from_group(const StringName& p_group, Node *p_node) {
 
 	Map<StringName,Group>::Element *E=group_map.find(p_group);
 	ERR_FAIL_COND(!E);
@@ -85,7 +85,7 @@ void SceneMainLoop::remove_from_group(const StringName& p_group, Node *p_node) {
 		group_map.erase(E);
 }
 
-void SceneMainLoop::_flush_transform_notifications() {
+void SceneTree::_flush_transform_notifications() {
 
 	SelfList<Node>* n = xform_change_list.first();
 	while(n) {
@@ -98,7 +98,7 @@ void SceneMainLoop::_flush_transform_notifications() {
 	}
 }
 
-void SceneMainLoop::_flush_ugc() {
+void SceneTree::_flush_ugc() {
 
 	ugc_locked=true;
 
@@ -118,7 +118,7 @@ void SceneMainLoop::_flush_ugc() {
 	ugc_locked=false;
 }
 
-void SceneMainLoop::_update_group_order(Group& g) {
+void SceneTree::_update_group_order(Group& g) {
 
 	if (g.last_tree_version==tree_version)
 		return;
@@ -134,7 +134,7 @@ void SceneMainLoop::_update_group_order(Group& g) {
 }
 
 
-void SceneMainLoop::call_group(uint32_t p_call_flags,const StringName& p_group,const StringName& p_function,VARIANT_ARG_DECLARE) {
+void SceneTree::call_group(uint32_t p_call_flags,const StringName& p_group,const StringName& p_function,VARIANT_ARG_DECLARE) {
 
 	Map<StringName,Group>::Element *E=group_map.find(p_group);
 	if (!E)
@@ -216,7 +216,7 @@ void SceneMainLoop::call_group(uint32_t p_call_flags,const StringName& p_group,c
 		call_skip.clear();
 }
 
-void SceneMainLoop::notify_group(uint32_t p_call_flags,const StringName& p_group,int p_notification) {
+void SceneTree::notify_group(uint32_t p_call_flags,const StringName& p_group,int p_notification) {
 
 	Map<StringName,Group>::Element *E=group_map.find(p_group);
 	if (!E)
@@ -266,7 +266,7 @@ void SceneMainLoop::notify_group(uint32_t p_call_flags,const StringName& p_group
 		call_skip.clear();
 }
 
-void SceneMainLoop::set_group(uint32_t p_call_flags,const StringName& p_group,const String& p_name,const Variant& p_value) {
+void SceneTree::set_group(uint32_t p_call_flags,const StringName& p_group,const String& p_name,const Variant& p_value) {
 
 	Map<StringName,Group>::Element *E=group_map.find(p_group);
 	if (!E)
@@ -316,12 +316,12 @@ void SceneMainLoop::set_group(uint32_t p_call_flags,const StringName& p_group,co
 		call_skip.clear();
 }
 
-void SceneMainLoop::set_input_as_handled() {
+void SceneTree::set_input_as_handled() {
 
 	input_handled=true;
 }
 
-void SceneMainLoop::input_text( const String& p_text ) {
+void SceneTree::input_text( const String& p_text ) {
 
 	root_lock++;
 
@@ -330,16 +330,17 @@ void SceneMainLoop::input_text( const String& p_text ) {
 
 }
 
-void SceneMainLoop::input_event( const InputEvent& p_event ) {
+void SceneTree::input_event( const InputEvent& p_event ) {
 
 
 	root_lock++;
-	last_id=p_event.ID;
+	//last_id=p_event.ID;
 
 	input_handled=false;
 
 
 	InputEvent ev = p_event;
+	ev.ID=++last_id; //this should work better
 #if 0
 	switch(ev.type) {
 
@@ -393,7 +394,7 @@ void SceneMainLoop::input_event( const InputEvent& p_event ) {
 
 #endif
 
-	MainLoop::input_event(p_event);
+	MainLoop::input_event(ev);
 #if 0
 	_call_input_pause("input","_input",ev);
 
@@ -415,7 +416,7 @@ void SceneMainLoop::input_event( const InputEvent& p_event ) {
 	//transform for the rest
 #else
 
-	call_group(GROUP_CALL_REALTIME,"_viewports","_vp_input",p_event); //special one for GUI, as controls use their own process check
+	call_group(GROUP_CALL_REALTIME,"_viewports","_vp_input",ev); //special one for GUI, as controls use their own process check
 
 #endif
 	if (ScriptDebugger::get_singleton() && ScriptDebugger::get_singleton()->is_remote() && ev.type==InputEvent::KEY && ev.key.pressed && !ev.key.echo && ev.key.scancode==KEY_F8) {
@@ -440,7 +441,7 @@ void SceneMainLoop::input_event( const InputEvent& p_event ) {
 		}
 #else
 
-		call_group(GROUP_CALL_REALTIME,"_viewports","_vp_unhandled_input",p_event); //special one for GUI, as controls use their own process check
+		call_group(GROUP_CALL_REALTIME,"_viewports","_vp_unhandled_input",ev); //special one for GUI, as controls use their own process check
 
 #endif
 		input_handled=true;
@@ -455,7 +456,7 @@ void SceneMainLoop::input_event( const InputEvent& p_event ) {
 
 }
 
-void SceneMainLoop::init() {
+void SceneTree::init() {
 
 	//_quit=false;
 	accept_quit=true;
@@ -466,12 +467,12 @@ void SceneMainLoop::init() {
 	editor_hint=false;
 	pause=false;
 
-	root->_set_scene(this);
+	root->_set_tree(this);
 	MainLoop::init();
 
 }
 
-bool SceneMainLoop::iteration(float p_time) {
+bool SceneTree::iteration(float p_time) {
 
 
 	root_lock++;
@@ -496,7 +497,7 @@ bool SceneMainLoop::iteration(float p_time) {
 	return _quit;
 }
 
-bool SceneMainLoop::idle(float p_time){
+bool SceneTree::idle(float p_time){
 
 
 //	print_line("ram: "+itos(OS::get_singleton()->get_static_memory_usage())+" sram: "+itos(OS::get_singleton()->get_dynamic_memory_usage()));
@@ -538,7 +539,7 @@ bool SceneMainLoop::idle(float p_time){
 	return _quit;
 }
 
-void SceneMainLoop::finish() {
+void SceneTree::finish() {
 
 	_flush_delete_queue();
 
@@ -549,7 +550,7 @@ void SceneMainLoop::finish() {
 	MainLoop::finish();
 
 	if (root) {
-		root->_set_scene(NULL);
+		root->_set_tree(NULL);
 		memdelete(root); //delete root
 	}
 
@@ -564,12 +565,12 @@ void SceneMainLoop::finish() {
 }
 
 
-void SceneMainLoop::quit() {
+void SceneTree::quit() {
 
 	_quit=true;
 }
 
-void SceneMainLoop::_notification(int p_notification) {
+void SceneTree::_notification(int p_notification) {
 
 
 
@@ -602,22 +603,22 @@ void SceneMainLoop::_notification(int p_notification) {
 };
 
 
-void SceneMainLoop::set_auto_accept_quit(bool p_enable) {
+void SceneTree::set_auto_accept_quit(bool p_enable) {
 
 	accept_quit=p_enable;
 }
 
-void SceneMainLoop::set_editor_hint(bool p_enabled) {
+void SceneTree::set_editor_hint(bool p_enabled) {
 
 	editor_hint=p_enabled;
 }
 
-bool SceneMainLoop::is_editor_hint() const {
+bool SceneTree::is_editor_hint() const {
 
 	return editor_hint;
 }
 
-void SceneMainLoop::set_pause(bool p_enabled) {
+void SceneTree::set_pause(bool p_enabled) {
 
 	if (p_enabled==pause)
 		return;
@@ -628,12 +629,12 @@ void SceneMainLoop::set_pause(bool p_enabled) {
 		get_root()->propagate_notification(p_enabled ? Node::NOTIFICATION_PAUSED : Node::NOTIFICATION_UNPAUSED);
 }
 
-bool SceneMainLoop::is_paused() const {
+bool SceneTree::is_paused() const {
 
 	return pause;
 }
 
-void SceneMainLoop::_call_input_pause(const StringName& p_group,const StringName& p_method,const InputEvent& p_input) {
+void SceneTree::_call_input_pause(const StringName& p_group,const StringName& p_method,const InputEvent& p_input) {
 
 	Map<StringName,Group>::Element *E=group_map.find(p_group);
 	if (!E)
@@ -678,7 +679,7 @@ void SceneMainLoop::_call_input_pause(const StringName& p_group,const StringName
 		call_skip.clear();
 }
 
-void SceneMainLoop::_notify_group_pause(const StringName& p_group,int p_notification) {
+void SceneTree::_notify_group_pause(const StringName& p_group,int p_notification) {
 
 	Map<StringName,Group>::Element *E=group_map.find(p_group);
 	if (!E)
@@ -728,13 +729,13 @@ void SceneMainLoop::_update_listener_2d() {
 }
 */
 
-uint32_t SceneMainLoop::get_last_event_id() const {
+uint32_t SceneTree::get_last_event_id() const {
 
 	return last_id;
 }
 
 
-Variant SceneMainLoop::_call_group(const Variant** p_args, int p_argcount, Variant::CallError& r_error) {
+Variant SceneTree::_call_group(const Variant** p_args, int p_argcount, Variant::CallError& r_error) {
 
 
 	r_error.error=Variant::CallError::CALL_OK;
@@ -759,13 +760,13 @@ Variant SceneMainLoop::_call_group(const Variant** p_args, int p_argcount, Varia
 }
 
 
-int64_t SceneMainLoop::get_frame() const {
+int64_t SceneTree::get_frame() const {
 
 	return current_frame;
 }
 
 
-Array SceneMainLoop::_get_nodes_in_group(const StringName& p_group) {
+Array SceneTree::_get_nodes_in_group(const StringName& p_group) {
 
 	Array ret;
 	Map<StringName,Group>::Element *E=group_map.find(p_group);
@@ -788,7 +789,7 @@ Array SceneMainLoop::_get_nodes_in_group(const StringName& p_group) {
 	return ret;
 }
 
-void SceneMainLoop::get_nodes_in_group(const StringName& p_group,List<Node*> *p_list) {
+void SceneTree::get_nodes_in_group(const StringName& p_group,List<Node*> *p_list) {
 
 
 	Map<StringName,Group>::Element *E=group_map.find(p_group);
@@ -818,9 +819,9 @@ static void _fill_array(Node *p_node, Array& array, int p_level) {
 	}
 }
 
-void SceneMainLoop::_debugger_request_tree(void *self) {
+void SceneTree::_debugger_request_tree(void *self) {
 
-	SceneMainLoop *sml = (SceneMainLoop *)self;
+	SceneTree *sml = (SceneTree *)self;
 
 	Array arr;
 	_fill_array(sml->root,arr,0);
@@ -828,7 +829,7 @@ void SceneMainLoop::_debugger_request_tree(void *self) {
 }
 
 
-void SceneMainLoop::_flush_delete_queue() {
+void SceneTree::_flush_delete_queue() {
 
 	_THREAD_SAFE_METHOD_
 
@@ -842,7 +843,7 @@ void SceneMainLoop::_flush_delete_queue() {
 	}
 }
 
-void SceneMainLoop::queue_delete(Object *p_object) {
+void SceneTree::queue_delete(Object *p_object) {
 
 	_THREAD_SAFE_METHOD_
 	ERR_FAIL_NULL(p_object);
@@ -850,13 +851,13 @@ void SceneMainLoop::queue_delete(Object *p_object) {
 }
 
 
-int SceneMainLoop::get_node_count() const {
+int SceneTree::get_node_count() const {
 
 	return node_count;
 }
 
 
-void SceneMainLoop::_update_root_rect() {
+void SceneTree::_update_root_rect() {
 
 
 	if (stretch_mode==STRETCH_MODE_DISABLED) {
@@ -959,7 +960,7 @@ void SceneMainLoop::_update_root_rect() {
 
 }
 
-void SceneMainLoop::set_screen_stretch(StretchMode p_mode,StretchAspect p_aspect,const Size2 p_minsize) {
+void SceneTree::set_screen_stretch(StretchMode p_mode,StretchAspect p_aspect,const Size2 p_minsize) {
 
 	stretch_mode=p_mode;
 	stretch_aspect=p_aspect;
@@ -969,50 +970,50 @@ void SceneMainLoop::set_screen_stretch(StretchMode p_mode,StretchAspect p_aspect
 
 
 #ifdef TOOLS_ENABLED
-void SceneMainLoop::set_edited_scene_root(Node *p_node) {
+void SceneTree::set_edited_scene_root(Node *p_node) {
 	edited_scene_root=p_node;
 }
 
-Node *SceneMainLoop::get_edited_scene_root() const {
+Node *SceneTree::get_edited_scene_root() const {
 
 	return edited_scene_root;
 }
 #endif
 
 
-void SceneMainLoop::_bind_methods() {
+void SceneTree::_bind_methods() {
 
 
 	//ObjectTypeDB::bind_method(_MD("call_group","call_flags","group","method","arg1","arg2"),&SceneMainLoop::_call_group,DEFVAL(Variant()),DEFVAL(Variant()));
-	ObjectTypeDB::bind_method(_MD("notify_group","call_flags","group","notification"),&SceneMainLoop::notify_group);
-	ObjectTypeDB::bind_method(_MD("set_group","call_flags","group","property","value"),&SceneMainLoop::set_group);
+	ObjectTypeDB::bind_method(_MD("notify_group","call_flags","group","notification"),&SceneTree::notify_group);
+	ObjectTypeDB::bind_method(_MD("set_group","call_flags","group","property","value"),&SceneTree::set_group);
 
-	ObjectTypeDB::bind_method(_MD("get_nodes_in_group"),&SceneMainLoop::_get_nodes_in_group);
+	ObjectTypeDB::bind_method(_MD("get_nodes_in_group"),&SceneTree::_get_nodes_in_group);
 
-	ObjectTypeDB::bind_method(_MD("get_root:Viewport"),&SceneMainLoop::get_root);
+	ObjectTypeDB::bind_method(_MD("get_root:Viewport"),&SceneTree::get_root);
 
-	ObjectTypeDB::bind_method(_MD("set_auto_accept_quit","enabled"),&SceneMainLoop::set_auto_accept_quit);
+	ObjectTypeDB::bind_method(_MD("set_auto_accept_quit","enabled"),&SceneTree::set_auto_accept_quit);
 
-	ObjectTypeDB::bind_method(_MD("set_editor_hint","enable"),&SceneMainLoop::set_editor_hint);
-	ObjectTypeDB::bind_method(_MD("is_editor_hint"),&SceneMainLoop::is_editor_hint);
+	ObjectTypeDB::bind_method(_MD("set_editor_hint","enable"),&SceneTree::set_editor_hint);
+	ObjectTypeDB::bind_method(_MD("is_editor_hint"),&SceneTree::is_editor_hint);
 #ifdef TOOLS_ENABLED
-	ObjectTypeDB::bind_method(_MD("set_edited_scene_root","scene"),&SceneMainLoop::set_edited_scene_root);
-	ObjectTypeDB::bind_method(_MD("get_edited_scene_root"),&SceneMainLoop::get_edited_scene_root);
+	ObjectTypeDB::bind_method(_MD("set_edited_scene_root","scene"),&SceneTree::set_edited_scene_root);
+	ObjectTypeDB::bind_method(_MD("get_edited_scene_root"),&SceneTree::get_edited_scene_root);
 #endif
 
-	ObjectTypeDB::bind_method(_MD("set_pause","enable"),&SceneMainLoop::set_pause);
-	ObjectTypeDB::bind_method(_MD("is_paused"),&SceneMainLoop::is_paused);
-	ObjectTypeDB::bind_method(_MD("set_input_as_handled"),&SceneMainLoop::set_input_as_handled);
+	ObjectTypeDB::bind_method(_MD("set_pause","enable"),&SceneTree::set_pause);
+	ObjectTypeDB::bind_method(_MD("is_paused"),&SceneTree::is_paused);
+	ObjectTypeDB::bind_method(_MD("set_input_as_handled"),&SceneTree::set_input_as_handled);
 
 
-	ObjectTypeDB::bind_method(_MD("get_node_count"),&SceneMainLoop::get_node_count);
-	ObjectTypeDB::bind_method(_MD("get_frame"),&SceneMainLoop::get_frame);
-	ObjectTypeDB::bind_method(_MD("quit"),&SceneMainLoop::quit);
+	ObjectTypeDB::bind_method(_MD("get_node_count"),&SceneTree::get_node_count);
+	ObjectTypeDB::bind_method(_MD("get_frame"),&SceneTree::get_frame);
+	ObjectTypeDB::bind_method(_MD("quit"),&SceneTree::quit);
 
-	ObjectTypeDB::bind_method(_MD("set_screen_stretch","mode","aspect","minsize"),&SceneMainLoop::set_screen_stretch);
+	ObjectTypeDB::bind_method(_MD("set_screen_stretch","mode","aspect","minsize"),&SceneTree::set_screen_stretch);
 
 
-	ObjectTypeDB::bind_method(_MD("queue_delete","obj"),&SceneMainLoop::queue_delete);
+	ObjectTypeDB::bind_method(_MD("queue_delete","obj"),&SceneTree::queue_delete);
 
 
 	MethodInfo mi;
@@ -1026,7 +1027,7 @@ void SceneMainLoop::_bind_methods() {
 		defargs.push_back(Variant());
 	}
 
-	ObjectTypeDB::bind_native_method(METHOD_FLAGS_DEFAULT,"call_group",&SceneMainLoop::_call_group,mi,defargs);
+	ObjectTypeDB::bind_native_method(METHOD_FLAGS_DEFAULT,"call_group",&SceneTree::_call_group,mi,defargs);
 
 	ADD_SIGNAL( MethodInfo("tree_changed") );
 	ADD_SIGNAL( MethodInfo("node_removed",PropertyInfo( Variant::OBJECT, "node") ) );
@@ -1047,14 +1048,14 @@ void SceneMainLoop::_bind_methods() {
 
 }
 
-SceneMainLoop::SceneMainLoop() {
+SceneTree::SceneTree() {
 
 	_quit=false;
 	initialized=false;
 	tree_version=1;
 	fixed_process_time=1;
 	idle_process_time=1;
-	last_id=0;
+	last_id=1;
 	root=NULL;
 	current_frame=0;
 	tree_changed_name="tree_changed";
@@ -1095,7 +1096,7 @@ SceneMainLoop::SceneMainLoop() {
 }
 
 
-SceneMainLoop::~SceneMainLoop() {
+SceneTree::~SceneTree() {
 
 
 }
diff --git a/scene/main/scene_main_loop.h b/scene/main/scene_main_loop.h
index bfa755ff7c..31a823ab1a 100644
--- a/scene/main/scene_main_loop.h
+++ b/scene/main/scene_main_loop.h
@@ -41,16 +41,16 @@
 */
 
 
-class SceneMainLoop;
+class SceneTree;
 
 class Node;
 class Viewport;
 
-class SceneMainLoop : public MainLoop {
+class SceneTree : public MainLoop {
 
 	_THREAD_SAFE_CLASS_
 
-	OBJ_TYPE( SceneMainLoop, MainLoop );	
+	OBJ_TYPE( SceneTree, MainLoop );
 public:
 
 
@@ -234,14 +234,14 @@ public:
 	Node *get_edited_scene_root() const;
 #endif
 
-	SceneMainLoop();
-	~SceneMainLoop();
+	SceneTree();
+	~SceneTree();
 
 };
 
 
-VARIANT_ENUM_CAST( SceneMainLoop::StretchMode );
-VARIANT_ENUM_CAST( SceneMainLoop::StretchAspect );
+VARIANT_ENUM_CAST( SceneTree::StretchMode );
+VARIANT_ENUM_CAST( SceneTree::StretchAspect );
 
 
 
diff --git a/scene/main/timer.cpp b/scene/main/timer.cpp
index 8e80f868c6..2ae918f3f3 100644
--- a/scene/main/timer.cpp
+++ b/scene/main/timer.cpp
@@ -38,7 +38,7 @@ void Timer::_notification(int p_what) {
 
 			if (autostart) {
 #ifdef TOOLS_ENABLED
-				if (get_scene()->is_editor_hint() && get_scene()->get_edited_scene_root() && (get_scene()->get_edited_scene_root()==this || get_scene()->get_edited_scene_root()->is_a_parent_of(this)))
+				if (get_tree()->is_editor_hint() && get_tree()->get_edited_scene_root() && (get_tree()->get_edited_scene_root()==this || get_tree()->get_edited_scene_root()->is_a_parent_of(this)))
 					break;
 #endif				start();
 			}
diff --git a/scene/main/viewport.cpp b/scene/main/viewport.cpp
index ac496cac4e..e6c787cf9e 100644
--- a/scene/main/viewport.cpp
+++ b/scene/main/viewport.cpp
@@ -113,7 +113,7 @@ void Viewport::_update_stretch_transform() {
 
 void Viewport::_update_rect() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	Node *parent = get_parent();
@@ -175,7 +175,7 @@ void Viewport::_parent_visibility_changed() {
 }
 
 
-void Viewport::_vp_enter_scene() {
+void Viewport::_vp_enter_tree() {
 
 	Node *parent = get_parent();
 		//none?
@@ -200,7 +200,7 @@ void Viewport::_vp_enter_scene() {
 
 }
 
-void Viewport::_vp_exit_scene() {
+void Viewport::_vp_exit_tree() {
 
 	Node *parent = get_parent();
 	if (parent && parent->cast_to<Control>()) {
@@ -231,14 +231,14 @@ void Viewport::_vp_exit_scene() {
 
 void Viewport::update_worlds() {
 
-	if (!is_inside_scene())
+	if (!is_inside_tree())
 		return;
 
 	Rect2 xformed_rect = (global_canvas_transform * canvas_transform).affine_inverse().xform(get_visible_rect());
 	find_world_2d()->_update_viewport(this,xformed_rect);
 	find_world_2d()->_update();
 
-	find_world()->_update(get_scene()->get_frame());
+	find_world()->_update(get_tree()->get_frame());
 }
 
 
@@ -280,11 +280,11 @@ void Viewport::_notification(int p_what) {
 
 	switch( p_what ) {
 		
-		case NOTIFICATION_ENTER_SCENE: {
+		case NOTIFICATION_ENTER_TREE: {
 
 
 			if (!render_target)
-				_vp_enter_scene();
+				_vp_enter_tree();
 
 			this->parent=NULL;
 			Node *parent=get_parent();
@@ -334,7 +334,7 @@ void Viewport::_notification(int p_what) {
 			}
 #endif
 		} break;
-		case NOTIFICATION_EXIT_SCENE: {
+		case NOTIFICATION_EXIT_TREE: {
 
 
 
@@ -342,7 +342,7 @@ void Viewport::_notification(int p_what) {
 				world_2d->_remove_viewport(this);
 
 			if (!render_target)
-				_vp_exit_scene();
+				_vp_exit_tree();
 
 			VisualServer::get_singleton()->viewport_set_scenario(viewport,RID());
 			SpatialSoundServer::get_singleton()->listener_set_space(listener,RID());
@@ -551,7 +551,7 @@ Rect2 Viewport::get_rect() const {
 
 void Viewport::_update_listener() {
 
-	if (is_inside_scene() && audio_listener && camera && (!get_parent() || (get_parent()->cast_to<Control>() && get_parent()->cast_to<Control>()->is_visible())))  {
+	if (is_inside_tree() && audio_listener && camera && (!get_parent() || (get_parent()->cast_to<Control>() && get_parent()->cast_to<Control>()->is_visible())))  {
 		SpatialSoundServer::get_singleton()->listener_set_space(listener,find_world()->get_sound_space());
 	} else {
 		SpatialSoundServer::get_singleton()->listener_set_space(listener,RID());
@@ -562,7 +562,7 @@ void Viewport::_update_listener() {
 
 void Viewport::_update_listener_2d() {
 
-	if (is_inside_scene() && audio_listener && (!get_parent() || (get_parent()->cast_to<Control>() && get_parent()->cast_to<Control>()->is_visible())))
+	if (is_inside_tree() && audio_listener && (!get_parent() || (get_parent()->cast_to<Control>() && get_parent()->cast_to<Control>()->is_visible())))
 		SpatialSound2DServer::get_singleton()->listener_set_space(listener_2d,find_world_2d()->get_sound_space());
 	else
 		SpatialSound2DServer::get_singleton()->listener_set_space(listener_2d,RID());
@@ -741,7 +741,7 @@ void Viewport::_propagate_enter_world(Node *p_node) {
 
 	if (p_node!=this) {
 
-		if (!p_node->is_inside_scene()) //may not have entered scene yet
+		if (!p_node->is_inside_tree()) //may not have entered scene yet
 			return;
 
 		Spatial *s = p_node->cast_to<Spatial>();
@@ -770,7 +770,7 @@ void Viewport::_propagate_exit_world(Node *p_node) {
 
 	if (p_node!=this) {
 
-		if (!p_node->is_inside_scene()) //may have exited scene already
+		if (!p_node->is_inside_tree()) //may have exited scene already
 			return;
 
 		Spatial *s = p_node->cast_to<Spatial>();
@@ -801,7 +801,7 @@ void Viewport::set_world(const Ref<World>& p_world) {
 	if (world==p_world)
 		return;
 
-	if (is_inside_scene())
+	if (is_inside_tree())
 		_propagate_exit_world(this);
 
 #ifndef _3D_DISABLED
@@ -811,7 +811,7 @@ void Viewport::set_world(const Ref<World>& p_world) {
 
 	world=p_world;
 
-	if (is_inside_scene())
+	if (is_inside_tree())
 		_propagate_enter_world(this);
 
 #ifndef _3D_DISABLED
@@ -821,7 +821,7 @@ void Viewport::set_world(const Ref<World>& p_world) {
 
 	//propagate exit
 
-	if (is_inside_scene()) {
+	if (is_inside_tree()) {
 		VisualServer::get_singleton()->viewport_set_scenario(viewport,find_world()->get_scenario());
 	}
 
@@ -909,12 +909,12 @@ void Viewport::set_as_render_target(bool p_enable){
 	render_target=p_enable;
 
 	VS::get_singleton()->viewport_set_as_render_target(viewport,p_enable);
-	if (is_inside_scene()) {
+	if (is_inside_tree()) {
 
 		if (p_enable)
-			_vp_exit_scene();
+			_vp_exit_tree();
 		else
-			_vp_enter_scene();
+			_vp_enter_tree();
 	}
 
 	if (p_enable) {
@@ -1102,24 +1102,24 @@ void Viewport::_vp_unhandled_input(const InputEvent& p_ev) {
 
 void Viewport::input(const InputEvent& p_event) {
 
-	ERR_FAIL_COND(!is_inside_scene());
-	get_scene()->_call_input_pause(input_group,"_input",p_event);
-	get_scene()->call_group(SceneMainLoop::GROUP_CALL_REVERSE|SceneMainLoop::GROUP_CALL_REALTIME|SceneMainLoop::GROUP_CALL_MULIILEVEL,gui_input_group,"_gui_input",p_event); //special one for GUI, as controls use their own process check
+	ERR_FAIL_COND(!is_inside_tree());
+	get_tree()->_call_input_pause(input_group,"_input",p_event);
+	get_tree()->call_group(SceneTree::GROUP_CALL_REVERSE|SceneTree::GROUP_CALL_REALTIME|SceneTree::GROUP_CALL_MULIILEVEL,gui_input_group,"_gui_input",p_event); //special one for GUI, as controls use their own process check
 }
 
 void Viewport::unhandled_input(const InputEvent& p_event) {
 
-	ERR_FAIL_COND(!is_inside_scene());
+	ERR_FAIL_COND(!is_inside_tree());
 
-	get_scene()->_call_input_pause(unhandled_input_group,"_unhandled_input",p_event);
+	get_tree()->_call_input_pause(unhandled_input_group,"_unhandled_input",p_event);
 	//call_group(GROUP_CALL_REVERSE|GROUP_CALL_REALTIME|GROUP_CALL_MULIILEVEL,"unhandled_input","_unhandled_input",ev);
-	if (!get_scene()->input_handled && p_event.type==InputEvent::KEY) {
-		get_scene()->_call_input_pause(unhandled_key_input_group,"_unhandled_key_input",p_event);
+	if (!get_tree()->input_handled && p_event.type==InputEvent::KEY) {
+		get_tree()->_call_input_pause(unhandled_key_input_group,"_unhandled_key_input",p_event);
 		//call_group(GROUP_CALL_REVERSE|GROUP_CALL_REALTIME|GROUP_CALL_MULIILEVEL,"unhandled_key_input","_unhandled_key_input",ev);
 	}
 
 
-	if (physics_object_picking && !get_scene()->input_handled) {
+	if (physics_object_picking && !get_tree()->input_handled) {
 
 		if (p_event.type==InputEvent::MOUSE_BUTTON || p_event.type==InputEvent::MOUSE_MOTION || p_event.type==InputEvent::SCREEN_DRAG || p_event.type==InputEvent::SCREEN_TOUCH) {
 			physics_picking_events.push_back(p_event);
@@ -1134,7 +1134,7 @@ void Viewport::set_use_own_world(bool p_world) {
 		return;
 
 
-	if (is_inside_scene())
+	if (is_inside_tree())
 		_propagate_exit_world(this);
 
 #ifndef _3D_DISABLED
@@ -1147,7 +1147,7 @@ void Viewport::set_use_own_world(bool p_world) {
 	else
 		own_world=Ref<World>( memnew( World ));
 
-	if (is_inside_scene())
+	if (is_inside_tree())
 		_propagate_enter_world(this);
 
 #ifndef _3D_DISABLED
@@ -1157,7 +1157,7 @@ void Viewport::set_use_own_world(bool p_world) {
 
 	//propagate exit
 
-	if (is_inside_scene()) {
+	if (is_inside_tree()) {
 		VisualServer::get_singleton()->viewport_set_scenario(viewport,find_world()->get_scenario());
 	}
 
diff --git a/scene/main/viewport.h b/scene/main/viewport.h
index 37f1b357c6..4bb5735731 100644
--- a/scene/main/viewport.h
+++ b/scene/main/viewport.h
@@ -159,8 +159,8 @@ friend class RenderTargetTexture;
 
 	_FORCE_INLINE_ Matrix32 _get_input_pre_xform() const;
 
-	void _vp_enter_scene();
-	void _vp_exit_scene();
+	void _vp_enter_tree();
+	void _vp_exit_tree();
 
 	void _vp_input(const InputEvent& p_ev);
 	void _vp_unhandled_input(const InputEvent& p_ev);
diff --git a/scene/register_scene_types.cpp b/scene/register_scene_types.cpp
index 679f474ada..741deccdbe 100644
--- a/scene/register_scene_types.cpp
+++ b/scene/register_scene_types.cpp
@@ -566,7 +566,7 @@ void register_scene_types() {
 
 	ObjectTypeDB::register_type<PackedScene>();
 
-	ObjectTypeDB::register_type<SceneMainLoop>();
+	ObjectTypeDB::register_type<SceneTree>();
 
 	OS::get_singleton()->yield(); //may take time to init
 
diff --git a/scene/scene_string_names.cpp b/scene/scene_string_names.cpp
index 1d99eb6d1f..df9b02ea3f 100644
--- a/scene/scene_string_names.cpp
+++ b/scene/scene_string_names.cpp
@@ -41,8 +41,8 @@ SceneStringNames::SceneStringNames() {
 	visibility_changed=StaticCString::create("visibility_changed");
 	input_event=StaticCString::create("input_event");
 	shader_shader=StaticCString::create("shader/shader");
-	enter_scene=StaticCString::create("enter_scene");
-	exit_scene=StaticCString::create("exit_scene");
+	enter_tree=StaticCString::create("enter_tree");
+	exit_tree=StaticCString::create("exit_tree");
 	item_rect_changed=StaticCString::create("item_rect_changed");
 	size_flags_changed=StaticCString::create("size_flags_changed");
 	minimum_size_changed=StaticCString::create("minimum_size_changed");
@@ -74,8 +74,8 @@ SceneStringNames::SceneStringNames() {
 	_fixed_process=StaticCString::create("_fixed_process");
 	_process=StaticCString::create("_process");
 
-	_enter_scene=StaticCString::create("_enter_scene");
-	_exit_scene=StaticCString::create("_exit_scene");
+	_enter_tree=StaticCString::create("_enter_tree");
+	_exit_tree=StaticCString::create("_exit_tree");
 	_enter_world=StaticCString::create("_enter_world");
 	_exit_world=StaticCString::create("_exit_world");
 	_ready=StaticCString::create("_ready");
@@ -98,8 +98,8 @@ SceneStringNames::SceneStringNames() {
 	enter_camera=StaticCString::create("enter_camera");
 	exit_camera=StaticCString::create("exit_camera");
 
-	_body_enter_scene = StaticCString::create("_body_enter_scene");
-	_body_exit_scene = StaticCString::create("_body_exit_scene");
+	_body_enter_tree = StaticCString::create("_body_enter_tree");
+	_body_exit_tree = StaticCString::create("_body_exit_tree");
 
 	_input_event=StaticCString::create("_input_event");
 
diff --git a/scene/scene_string_names.h b/scene/scene_string_names.h
index dd4f8789c2..11799b9e86 100644
--- a/scene/scene_string_names.h
+++ b/scene/scene_string_names.h
@@ -56,8 +56,8 @@ public:
 	StringName _input_event;
 	StringName item_rect_changed;
 	StringName shader_shader;
-	StringName enter_scene;
-	StringName exit_scene;
+	StringName enter_tree;
+	StringName exit_tree;
 	StringName size_flags_changed;
 	StringName minimum_size_changed;
 	StringName idle;
@@ -89,8 +89,8 @@ public:
 	StringName _process;
 	StringName _enter_world;
 	StringName _exit_world;
-	StringName _enter_scene;
-	StringName _exit_scene;
+	StringName _enter_tree;
+	StringName _exit_tree;
 	StringName _draw;
 	StringName _input;
 	StringName _ready;
@@ -116,8 +116,8 @@ public:
 	StringName enter_camera;
 	StringName exit_camera;
 
-	StringName _body_enter_scene;
-	StringName _body_exit_scene;
+	StringName _body_enter_tree;
+	StringName _body_exit_tree;
 
 	StringName changed;
 	StringName _shader_changed;