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

9 files changed, 381 insertions, 36 deletions

diff --git a/scene/3d/body_shape.cpp b/scene/3d/body_shape.cpp
index c49d1b028c..b54cbfe0f9 100644
--- a/scene/3d/body_shape.cpp
+++ b/scene/3d/body_shape.cpp
@@ -43,7 +43,10 @@
 
 void CollisionShape::_update_body() {
 
-
+	if (!is_inside_tree() || !can_update_body)
+		return;
+	if (!get_tree()->is_editor_hint())
+		return;
 	if (get_parent() && get_parent()->cast_to<CollisionObject>())
 		get_parent()->cast_to<CollisionObject>()->_update_shapes_from_children();
 
@@ -310,10 +313,13 @@ void CollisionShape::_add_to_collision_object(Object* p_cshape) {
 
 	if (shape.is_valid()) {
 
+		update_shape_index=co->get_shape_count();
 		co->add_shape(shape,get_transform());
-        if (trigger)
-            co->set_shape_as_trigger( co->get_shape_count() -1, true );
-    }
+		if (trigger)
+			co->set_shape_as_trigger( co->get_shape_count() -1, true );
+	} else {
+		update_shape_index=-1;
+	}
 }
 
 void CollisionShape::_notification(int p_what) {
@@ -322,12 +328,18 @@ void CollisionShape::_notification(int p_what) {
 
 		case NOTIFICATION_ENTER_TREE: {
 			unparenting=false;
+			can_update_body=get_tree()->is_editor_hint();
+			set_notify_local_transform(!can_update_body);
+
+			if (get_tree()->is_debugging_collisions_hint()) {
+				_create_debug_shape();
+			}
 
 			//indicator_instance = VisualServer::get_singleton()->instance_create2(indicator,get_world()->get_scenario());
 		} break;
 		case NOTIFICATION_TRANSFORM_CHANGED: {
 		//	VisualServer::get_singleton()->instance_set_transform(indicator_instance,get_global_transform());
-			if (updating_body) {
+			if (can_update_body && updating_body) {
 				_update_body();
 			}
 		} break;
@@ -336,16 +348,34 @@ void CollisionShape::_notification(int p_what) {
 				VisualServer::get_singleton()->free(indicator_instance);
 				indicator_instance=RID();
 			}*/
+			can_update_body=false;
+			set_notify_local_transform(false);
+			if (debug_shape) {
+				debug_shape->queue_delete();
+				debug_shape=NULL;
+			}
 		} break;
 		case NOTIFICATION_UNPARENTED: {
 			unparenting=true;
-			if (updating_body)
+			if (can_update_body && updating_body)
 				_update_body();
 		} break;
 		case NOTIFICATION_PARENTED: {
-			if (updating_body)
+			if (can_update_body && updating_body)
 				_update_body();
 		} break;
+		case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: {
+
+			if (!can_update_body && update_shape_index>=0) {
+
+				CollisionObject *co = get_parent()->cast_to<CollisionObject>();
+				if (co) {
+					co->set_shape_transform(update_shape_index,get_transform());
+				}
+			}
+
+		} break;
+
 	}
 }
 
@@ -357,6 +387,18 @@ void CollisionShape::resource_changed(RES res) {
 
 }
 
+void CollisionShape::_set_update_shape_index(int p_index) {
+
+
+	update_shape_index=p_index;
+}
+
+int CollisionShape::_get_update_shape_index() const{
+
+	return update_shape_index;
+}
+
+
 void CollisionShape::_bind_methods() {
 
 	//not sure if this should do anything
@@ -368,10 +410,14 @@ void CollisionShape::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("is_trigger"),&CollisionShape::is_trigger);
 	ObjectTypeDB::bind_method(_MD("make_convex_from_brothers"),&CollisionShape::make_convex_from_brothers);
 	ObjectTypeDB::set_method_flags("CollisionShape","make_convex_from_brothers",METHOD_FLAGS_DEFAULT|METHOD_FLAG_EDITOR);
+	ObjectTypeDB::bind_method(_MD("_set_update_shape_index","index"),&CollisionShape::_set_update_shape_index);
+	ObjectTypeDB::bind_method(_MD("_get_update_shape_index"),&CollisionShape::_get_update_shape_index);
 
+	ObjectTypeDB::bind_method(_MD("get_collision_object_shape_index"),&CollisionShape::get_collision_object_shape_index);
 
 	ADD_PROPERTY( PropertyInfo( Variant::OBJECT, "shape", PROPERTY_HINT_RESOURCE_TYPE, "Shape"), _SCS("set_shape"), _SCS("get_shape"));
-    ADD_PROPERTY(PropertyInfo(Variant::BOOL,"trigger"),_SCS("set_trigger"),_SCS("is_trigger"));
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL,"trigger"),_SCS("set_trigger"),_SCS("is_trigger"));
+	ADD_PROPERTY( PropertyInfo( Variant::INT, "_update_shape_index", PROPERTY_HINT_NONE, "",PROPERTY_USAGE_NOEDITOR), _SCS("_set_update_shape_index"), _SCS("_get_update_shape_index"));
 }
 
 
@@ -383,8 +429,15 @@ void CollisionShape::set_shape(const Ref<Shape> &p_shape) {
 	if (!shape.is_null())
 		shape->register_owner(this);
 	update_gizmo();
-	if (updating_body)
+	if (updating_body) {
 		_update_body();
+	} else if (can_update_body && update_shape_index>=0 && is_inside_tree()){
+		CollisionObject *co = get_parent()->cast_to<CollisionObject>();
+		if (co) {
+			co->set_shape(update_shape_index,p_shape);
+		}
+
+	}
 }
 
 Ref<Shape> CollisionShape::get_shape() const {
@@ -405,8 +458,14 @@ bool CollisionShape::is_updating_body() const {
 void CollisionShape::set_trigger(bool p_trigger) {
 
     trigger=p_trigger;
-    if (updating_body)
+    if (updating_body) {
         _update_body();
+    } else if (can_update_body && update_shape_index>=0 && is_inside_tree()){
+	    CollisionObject *co = get_parent()->cast_to<CollisionObject>();
+	    if (co) {
+		    co->set_shape_as_trigger(update_shape_index,p_trigger);
+	    }
+    }
 }
 
 bool CollisionShape::is_trigger() const{
@@ -419,7 +478,10 @@ CollisionShape::CollisionShape() {
 	//indicator = VisualServer::get_singleton()->mesh_create();
 	updating_body=true;
 	unparenting=false;
-    trigger=false;
+	update_shape_index=-1;
+	trigger=false;
+	can_update_body=false;
+	debug_shape=NULL;
 }
 
 CollisionShape::~CollisionShape() {
@@ -428,6 +490,30 @@ CollisionShape::~CollisionShape() {
 	//VisualServer::get_singleton()->free(indicator);
 }
 
+void CollisionShape::_create_debug_shape() {
+
+
+	if (debug_shape) {
+		debug_shape->queue_delete();;
+		debug_shape=NULL;
+	}
+
+	Ref<Shape> s = get_shape();
+
+	if (s.is_null())
+		return;
+
+
+	Ref<Mesh> mesh = s->get_debug_mesh();
+
+	MeshInstance *mi = memnew( MeshInstance );
+	mi->set_mesh(mesh);
+
+	add_child(mi);
+	debug_shape=mi;
+
+}
+
 #if 0
 #include "body_volume.h"
 
diff --git a/scene/3d/body_shape.h b/scene/3d/body_shape.h
index b3c0006d79..6c0b89da56 100644
--- a/scene/3d/body_shape.h
+++ b/scene/3d/body_shape.h
@@ -50,14 +50,26 @@ class CollisionShape : public Spatial {
 	RID indicator_instance;
 	*/
 
+	Node* debug_shape;
+
 	void resource_changed(RES res);
 
 	bool updating_body;
 	bool unparenting;
 	bool trigger;
 
+	bool can_update_body;
+
+	int update_shape_index;
+
 	void _update_body();
 	void _add_to_collision_object(Object* p_cshape);
+
+	void _set_update_shape_index(int p_index);
+	int _get_update_shape_index() const;
+
+	void _create_debug_shape();
+
 protected:
 
 	void _notification(int p_what);
@@ -73,8 +85,10 @@ public:
 	void set_updating_body(bool p_update);
 	bool is_updating_body() const;
 
-    void set_trigger(bool p_trigger);
-    bool is_trigger() const;
+	void set_trigger(bool p_trigger);
+	bool is_trigger() const;
+
+	int get_collision_object_shape_index() const { return _get_update_shape_index(); }
 
 	CollisionShape();
 	~CollisionShape();
diff --git a/scene/3d/collision_polygon.cpp b/scene/3d/collision_polygon.cpp
index 4ab1a1a1ab..c857b4851a 100644
--- a/scene/3d/collision_polygon.cpp
+++ b/scene/3d/collision_polygon.cpp
@@ -6,6 +6,8 @@
 
 void CollisionPolygon::_add_to_collision_object(Object *p_obj) {
 
+	if (!can_update_body)
+		return;
 
 	CollisionObject *co = p_obj->cast_to<CollisionObject>();
 	ERR_FAIL_COND(!co);
@@ -23,6 +25,7 @@ void CollisionPolygon::_add_to_collision_object(Object *p_obj) {
 
 		//here comes the sun, lalalala
 		//decompose concave into multiple convex polygons and add them
+		shape_from=co->get_shape_count();
 		for(int i=0;i<decomp.size();i++) {
 			Ref<ConvexPolygonShape> convex = memnew( ConvexPolygonShape );
 			DVector<Vector3> cp;
@@ -43,6 +46,11 @@ void CollisionPolygon::_add_to_collision_object(Object *p_obj) {
 			co->add_shape(convex,get_transform());
 
 		}
+		shape_to=co->get_shape_count()-1;
+		if (shape_to<shape_from) {
+			shape_from=-1;
+			shape_to=-1;
+		}
 
 	} else {
 #if 0
@@ -71,6 +79,9 @@ void CollisionPolygon::_add_to_collision_object(Object *p_obj) {
 
 void CollisionPolygon::_update_parent() {
 
+	if (!can_update_body)
+		return;
+
 	Node *parent = get_parent();
 	if (!parent)
 		return;
@@ -80,15 +91,50 @@ void CollisionPolygon::_update_parent() {
 	co->_update_shapes_from_children();
 }
 
+void CollisionPolygon::_set_shape_range(const Vector2& p_range) {
+
+	shape_from=p_range.x;
+	shape_to=p_range.y;
+}
+
+Vector2 CollisionPolygon::_get_shape_range() const {
+
+	return Vector2(shape_from,shape_to);
+}
+
 void CollisionPolygon::_notification(int p_what) {
 
 
 	switch(p_what) {
+		case NOTIFICATION_ENTER_TREE: {
+			can_update_body=get_tree()->is_editor_hint();
+			set_notify_local_transform(!can_update_body);
+
+			//indicator_instance = VisualServer::get_singleton()->instance_create2(indicator,get_world()->get_scenario());
+		} break;
+		case NOTIFICATION_EXIT_TREE: {
+			can_update_body=false;
+			set_notify_local_transform(false);
+		} break;
 		case NOTIFICATION_TRANSFORM_CHANGED: {
 
 			if (!is_inside_tree())
 				break;
-			_update_parent();
+			if (can_update_body) {
+				_update_parent();
+			}
+
+		} break;
+		case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: {
+			if (!can_update_body && shape_from>=0 && shape_from>=0) {
+
+				CollisionObject *co = get_parent()->cast_to<CollisionObject>();
+				if (co) {
+					for(int i=shape_from;i<=shape_to;i++) {
+						co->set_shape_transform(i,get_transform());
+					}
+				}
+			}
 
 		} break;
 #if 0
@@ -119,29 +165,31 @@ void CollisionPolygon::_notification(int p_what) {
 void CollisionPolygon::set_polygon(const Vector<Point2>& p_polygon) {
 
 	polygon=p_polygon;
+	if (can_update_body) {
 
-	for(int i=0;i<polygon.size();i++) {
+		for(int i=0;i<polygon.size();i++) {
 
-		Vector3 p1(polygon[i].x,polygon[i].y,depth*0.5);
+			Vector3 p1(polygon[i].x,polygon[i].y,depth*0.5);
 
-		if (i==0)
-			aabb=AABB(p1,Vector3());
-		else
-			aabb.expand_to(p1);
+			if (i==0)
+				aabb=AABB(p1,Vector3());
+			else
+				aabb.expand_to(p1);
 
-		Vector3 p2(polygon[i].x,polygon[i].y,-depth*0.5);
-		aabb.expand_to(p2);
+			Vector3 p2(polygon[i].x,polygon[i].y,-depth*0.5);
+			aabb.expand_to(p2);
 
 
-	}
-	if (aabb==AABB()) {
+		}
+		if (aabb==AABB()) {
 
-		aabb=AABB(Vector3(-1,-1,-1),Vector3(2,2,2));
-	} else {
-		aabb.pos-=aabb.size*0.3;
-		aabb.size+=aabb.size*0.6;
+			aabb=AABB(Vector3(-1,-1,-1),Vector3(2,2,2));
+		} else {
+			aabb.pos-=aabb.size*0.3;
+			aabb.size+=aabb.size*0.6;
+		}
+		_update_parent();
 	}
-	_update_parent();
 	update_gizmo();
 }
 
@@ -154,6 +202,8 @@ void CollisionPolygon::set_build_mode(BuildMode p_mode) {
 
 	ERR_FAIL_INDEX(p_mode,2);
 	build_mode=p_mode;
+	if (!can_update_body)
+		return;
 	_update_parent();
 }
 
@@ -170,6 +220,8 @@ AABB CollisionPolygon::get_item_rect() const {
 void CollisionPolygon::set_depth(float p_depth) {
 
 	depth=p_depth;
+	if (!can_update_body)
+		return;
 	_update_parent();
 	update_gizmo();
 }
@@ -183,22 +235,34 @@ float CollisionPolygon::get_depth() const {
 void CollisionPolygon::_bind_methods() {
 
 	ObjectTypeDB::bind_method(_MD("_add_to_collision_object"),&CollisionPolygon::_add_to_collision_object);
-	ObjectTypeDB::bind_method(_MD("set_polygon","polygon"),&CollisionPolygon::set_polygon);
-	ObjectTypeDB::bind_method(_MD("get_polygon"),&CollisionPolygon::get_polygon);
+
+	ObjectTypeDB::bind_method(_MD("set_build_mode"),&CollisionPolygon::set_build_mode);
+	ObjectTypeDB::bind_method(_MD("get_build_mode"),&CollisionPolygon::get_build_mode);
 
 	ObjectTypeDB::bind_method(_MD("set_depth","depth"),&CollisionPolygon::set_depth);
 	ObjectTypeDB::bind_method(_MD("get_depth"),&CollisionPolygon::get_depth);
 
-	ObjectTypeDB::bind_method(_MD("set_build_mode"),&CollisionPolygon::set_build_mode);
-	ObjectTypeDB::bind_method(_MD("get_build_mode"),&CollisionPolygon::get_build_mode);
+	ObjectTypeDB::bind_method(_MD("set_polygon","polygon"),&CollisionPolygon::set_polygon);
+	ObjectTypeDB::bind_method(_MD("get_polygon"),&CollisionPolygon::get_polygon);
+
+	ObjectTypeDB::bind_method(_MD("_set_shape_range","shape_range"),&CollisionPolygon::_set_shape_range);
+	ObjectTypeDB::bind_method(_MD("_get_shape_range"),&CollisionPolygon::_get_shape_range);
+
+	ObjectTypeDB::bind_method(_MD("get_collision_object_first_shape"),&CollisionPolygon::get_collision_object_first_shape);
+	ObjectTypeDB::bind_method(_MD("get_collision_object_last_shape"),&CollisionPolygon::get_collision_object_last_shape);
 
 	ADD_PROPERTY( PropertyInfo(Variant::INT,"build_mode",PROPERTY_HINT_ENUM,"Solids,Triangles"),_SCS("set_build_mode"),_SCS("get_build_mode"));
-	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2_ARRAY,"polygon"),_SCS("set_polygon"),_SCS("get_polygon"));
 	ADD_PROPERTY( PropertyInfo(Variant::REAL,"depth"),_SCS("set_depth"),_SCS("get_depth"));
+	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2_ARRAY,"polygon"),_SCS("set_polygon"),_SCS("get_polygon"));
+	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"shape_range",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("_set_shape_range"),_SCS("_get_shape_range"));
 }
 
 CollisionPolygon::CollisionPolygon() {
 
+	shape_from=-1;
+	shape_to=-1;
+	can_update_body=false;
+
 	aabb=AABB(Vector3(-1,-1,-1),Vector3(2,2,2));
 	build_mode=BUILD_SOLIDS;
 	depth=1.0;
diff --git a/scene/3d/collision_polygon.h b/scene/3d/collision_polygon.h
index efb3666778..9b9afea34f 100644
--- a/scene/3d/collision_polygon.h
+++ b/scene/3d/collision_polygon.h
@@ -24,9 +24,17 @@ protected:
 	BuildMode build_mode;
 	Vector<Point2> polygon;
 
+
 	void _add_to_collision_object(Object *p_obj);
 	void _update_parent();
 
+	bool can_update_body;
+	int shape_from;
+	int shape_to;
+
+	void _set_shape_range(const Vector2& p_range);
+	Vector2 _get_shape_range() const;
+
 protected:
 
 	void _notification(int p_what);
@@ -43,6 +51,10 @@ public:
 	Vector<Point2> get_polygon() const;
 
 	virtual AABB get_item_rect() const;
+
+	int get_collision_object_first_shape() const { return shape_from; }
+	int get_collision_object_last_shape() const { return shape_to; }
+
 	CollisionPolygon();
 };
 
diff --git a/scene/3d/navigation_mesh.cpp b/scene/3d/navigation_mesh.cpp
index 8c52d4c35c..a238a8ff22 100644
--- a/scene/3d/navigation_mesh.cpp
+++ b/scene/3d/navigation_mesh.cpp
@@ -1,6 +1,6 @@
 #include "navigation_mesh.h"
 #include "navigation.h"
-
+#include "mesh_instance.h"
 
 void NavigationMesh::create_from_mesh(const Ref<Mesh>& p_mesh) {
 
@@ -87,6 +87,97 @@ void NavigationMesh::clear_polygons(){
 	polygons.clear();
 }
 
+Ref<Mesh> NavigationMesh::get_debug_mesh() {
+
+	if (debug_mesh.is_valid())
+		return debug_mesh;
+
+
+
+	DVector<Vector3> vertices = get_vertices();
+	DVector<Vector3>::Read vr=vertices.read();
+	List<Face3> faces;
+	for(int i=0;i<get_polygon_count();i++) {
+		Vector<int> p = get_polygon(i);
+
+		for(int j=2;j<p.size();j++) {
+			Face3 f;
+			f.vertex[0]=vr[p[0]];
+			f.vertex[1]=vr[p[j-1]];
+			f.vertex[2]=vr[p[j]];
+
+			faces.push_back(f);
+		}
+	}
+
+
+	Map<_EdgeKey,bool> edge_map;
+	DVector<Vector3> tmeshfaces;
+	tmeshfaces.resize(faces.size()*3);
+
+	{
+		DVector<Vector3>::Write tw=tmeshfaces.write();
+		int tidx=0;
+
+
+		for(List<Face3>::Element *E=faces.front();E;E=E->next()) {
+
+			const Face3 &f = E->get();
+
+			for(int j=0;j<3;j++) {
+
+				tw[tidx++]=f.vertex[j];
+				_EdgeKey ek;
+				ek.from=f.vertex[j].snapped(CMP_EPSILON);
+				ek.to=f.vertex[(j+1)%3].snapped(CMP_EPSILON);
+				if (ek.from<ek.to)
+					SWAP(ek.from,ek.to);
+
+				Map<_EdgeKey,bool>::Element *E=edge_map.find(ek);
+
+				if (E) {
+
+					E->get()=false;
+
+				} else {
+
+					edge_map[ek]=true;
+				}
+
+			}
+		}
+	}
+	List<Vector3> lines;
+
+	for(Map<_EdgeKey,bool>::Element *E=edge_map.front();E;E=E->next()) {
+
+		if (E->get()) {
+			lines.push_back(E->key().from);
+			lines.push_back(E->key().to);
+		}
+	}
+
+	DVector<Vector3> varr;
+	varr.resize(lines.size());
+	{
+		DVector<Vector3>::Write w = varr.write();
+		int idx=0;
+		for(List<Vector3>::Element *E=lines.front();E;E=E->next()) {
+			w[idx++]=E->get();
+		}
+	}
+
+	debug_mesh = Ref<Mesh>( memnew( Mesh ) );
+
+	Array arr;
+	arr.resize(Mesh::ARRAY_MAX);
+	arr[Mesh::ARRAY_VERTEX]=varr;
+
+	debug_mesh->add_surface(Mesh::PRIMITIVE_LINES,arr);
+
+	return debug_mesh;
+}
+
 void NavigationMesh::_bind_methods() {
 
 	ObjectTypeDB::bind_method(_MD("set_vertices","vertices"),&NavigationMesh::set_vertices);
@@ -135,6 +226,16 @@ void NavigationMeshInstance::set_enabled(bool p_enabled) {
 
 	}
 
+	if (debug_view) {
+		MeshInstance *dm=debug_view->cast_to<MeshInstance>();
+		if (is_enabled()) {
+			dm->set_material_override( get_tree()->get_debug_navigation_material() );
+		} else {
+			dm->set_material_override( get_tree()->get_debug_navigation_disabled_material() );
+		}
+
+	}
+
 	update_gizmo();
 }
 
@@ -170,6 +271,19 @@ void NavigationMeshInstance::_notification(int p_what) {
 				c=c->get_parent_spatial();
 			}
 
+			if (navmesh.is_valid() && get_tree()->is_debugging_navigation_hint()) {
+
+				MeshInstance *dm = memnew( MeshInstance );
+				dm->set_mesh( navmesh->get_debug_mesh() );
+				if (is_enabled()) {
+					dm->set_material_override( get_tree()->get_debug_navigation_material() );
+				} else {
+					dm->set_material_override( get_tree()->get_debug_navigation_disabled_material() );
+				}
+				add_child(dm);
+				debug_view=dm;
+			}
+
 		} break;
 		case NOTIFICATION_TRANSFORM_CHANGED: {
 
@@ -177,6 +291,8 @@ void NavigationMeshInstance::_notification(int p_what) {
 				navigation->navmesh_set_transform(nav_id,get_relative_transform(navigation));
 			}
 
+
+
 		} break;
 		case NOTIFICATION_EXIT_TREE: {
 
@@ -187,6 +303,11 @@ void NavigationMeshInstance::_notification(int p_what) {
 					nav_id=-1;
 				}
 			}
+
+			if (debug_view) {
+				debug_view->queue_delete();
+				debug_view=NULL;
+			}
 			navigation=NULL;
 		} break;
 	}
@@ -230,6 +351,7 @@ void NavigationMeshInstance::_bind_methods() {
 
 NavigationMeshInstance::NavigationMeshInstance() {
 
+	debug_view=NULL;
 	navigation=NULL;
 	nav_id=-1;
 	enabled=true;
diff --git a/scene/3d/navigation_mesh.h b/scene/3d/navigation_mesh.h
index fccf405f9d..1e53b2127a 100644
--- a/scene/3d/navigation_mesh.h
+++ b/scene/3d/navigation_mesh.h
@@ -4,6 +4,7 @@
 #include "scene/3d/spatial.h"
 #include "scene/resources/mesh.h"
 
+class Mesh;
 
 class NavigationMesh : public Resource  {
 
@@ -14,6 +15,16 @@ class NavigationMesh : public Resource  {
 		Vector<int> indices;
 	};
 	Vector<Polygon> polygons;
+	Ref<Mesh> debug_mesh;
+
+	struct _EdgeKey {
+
+		Vector3 from;
+		Vector3 to;
+
+		bool operator<(const _EdgeKey& p_with) const { return from==p_with.from ? to < p_with.to : from < p_with.from; }
+	};
+
 
 protected:
 
@@ -21,6 +32,7 @@ protected:
 
 	void _set_polygons(const Array& p_array);
 	Array _get_polygons() const;
+
 public:
 
 	void create_from_mesh(const Ref<Mesh>& p_mesh);
@@ -33,6 +45,8 @@ public:
 	Vector<int> get_polygon(int p_idx);
 	void clear_polygons();
 
+	Ref<Mesh> get_debug_mesh();
+
 	NavigationMesh();
 };
 
@@ -47,6 +61,9 @@ class NavigationMeshInstance : public Spatial {
 	int nav_id;
 	Navigation *navigation;
 	Ref<NavigationMesh> navmesh;
+
+	Node *debug_view;
+
 protected:
 
 	void _notification(int p_what);
diff --git a/scene/3d/spatial.cpp b/scene/3d/spatial.cpp
index 7117c59176..a65f68ed2c 100644
--- a/scene/3d/spatial.cpp
+++ b/scene/3d/spatial.cpp
@@ -231,6 +231,11 @@ void Spatial::set_transform(const Transform& p_transform) {
 	_change_notify("transform/rotation");
 	_change_notify("transform/scale");
 	_propagate_transform_changed(this);
+	if (data.notify_local_transform) {
+		notification(NOTIFICATION_LOCAL_TRANSFORM_CHANGED);
+	}
+
+
 
 }
 
@@ -335,6 +340,9 @@ void Spatial::set_translation(const Vector3& p_translation) {
 
 	data.local_transform.origin=p_translation;
 	_propagate_transform_changed(this);
+	if (data.notify_local_transform) {
+		notification(NOTIFICATION_LOCAL_TRANSFORM_CHANGED);
+	}
 
 }
 
@@ -348,6 +356,9 @@ void Spatial::set_rotation(const Vector3& p_euler){
 	data.rotation=p_euler;
 	data.dirty|=DIRTY_LOCAL;
 	_propagate_transform_changed(this);
+	if (data.notify_local_transform) {
+		notification(NOTIFICATION_LOCAL_TRANSFORM_CHANGED);
+	}
 
 }
 void Spatial::set_scale(const Vector3& p_scale){
@@ -360,6 +371,9 @@ void Spatial::set_scale(const Vector3& p_scale){
 	data.scale=p_scale;
 	data.dirty|=DIRTY_LOCAL;
 	_propagate_transform_changed(this);
+	if (data.notify_local_transform) {
+		notification(NOTIFICATION_LOCAL_TRANSFORM_CHANGED);
+	}
 
 }
 
@@ -685,6 +699,13 @@ void Spatial::look_at_from_pos(const Vector3& p_pos,const Vector3& p_target, con
 
 }
 
+void Spatial::set_notify_local_transform(bool p_enable) {
+	data.notify_local_transform=p_enable;
+}
+
+bool Spatial::is_local_transform_notification_enabled() const {
+	return data.notify_local_transform;
+}
 
 void Spatial::_bind_methods() {
 
@@ -725,6 +746,9 @@ void Spatial::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("_set_visible_"), &Spatial::_set_visible_);
 	ObjectTypeDB::bind_method(_MD("_is_visible_"), &Spatial::_is_visible_);
 
+	ObjectTypeDB::bind_method(_MD("set_notify_local_transform","enable"), &Spatial::set_notify_local_transform);
+	ObjectTypeDB::bind_method(_MD("is_local_transform_notification_enabled"), &Spatial::is_local_transform_notification_enabled);
+
 	void rotate(const Vector3& p_normal,float p_radians);
 	void rotate_x(float p_radians);
 	void rotate_y(float p_radians);
@@ -783,6 +807,7 @@ Spatial::Spatial() : xform_change(this)
 	data.gizmo_disabled=false;
 	data.gizmo_dirty=false;
 #endif
+	data.notify_local_transform=false;
 	data.parent=NULL;
 	data.C=NULL;
 
diff --git a/scene/3d/spatial.h b/scene/3d/spatial.h
index 8b40786fb8..7fa6099d7a 100644
--- a/scene/3d/spatial.h
+++ b/scene/3d/spatial.h
@@ -91,6 +91,7 @@ class Spatial : public Node {
 		List<Spatial*>::Element *C;
 		
 		bool ignore_notification;
+		bool notify_local_transform;
 
 		bool visible;
 
@@ -134,6 +135,7 @@ public:
 		NOTIFICATION_ENTER_WORLD=41,
 		NOTIFICATION_EXIT_WORLD=42,
 		NOTIFICATION_VISIBILITY_CHANGED=43,
+		NOTIFICATION_LOCAL_TRANSFORM_CHANGED=44,
 	};
 
 	Spatial *get_parent_spatial() const;
@@ -179,6 +181,9 @@ public:
 	void look_at(const Vector3& p_target, const Vector3& p_up_normal);
 	void look_at_from_pos(const Vector3& p_pos,const Vector3& p_target, const Vector3& p_up_normal);
 
+	void set_notify_local_transform(bool p_enable);
+	bool is_local_transform_notification_enabled() const;
+
 	void orthonormalize();
 	void set_identity();
 
diff --git a/scene/3d/spatial_stream_player.cpp b/scene/3d/spatial_stream_player.cpp
index b81d98e8bf..346e354df2 100644
--- a/scene/3d/spatial_stream_player.cpp
+++ b/scene/3d/spatial_stream_player.cpp
@@ -331,7 +331,7 @@ void SpatialStreamPlayer::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("set_stream","stream:Stream"),&SpatialStreamPlayer::set_stream);
 	ObjectTypeDB::bind_method(_MD("get_stream:Stream"),&SpatialStreamPlayer::get_stream);
 
-	ObjectTypeDB::bind_method(_MD("play"),&SpatialStreamPlayer::play);
+	ObjectTypeDB::bind_method(_MD("play"),&SpatialStreamPlayer::play,DEFVAL(0));
 	ObjectTypeDB::bind_method(_MD("stop"),&SpatialStreamPlayer::stop);
 
 	ObjectTypeDB::bind_method(_MD("is_playing"),&SpatialStreamPlayer::is_playing);