5 files changed, 70 insertions, 13 deletions

diff --git a/scene/resources/concave_polygon_shape_3d.cpp b/scene/resources/concave_polygon_shape_3d.cpp
index f067695d7d..3fed700383 100644
--- a/scene/resources/concave_polygon_shape_3d.cpp
+++ b/scene/resources/concave_polygon_shape_3d.cpp
@@ -35,13 +35,12 @@
 Vector<Vector3> ConcavePolygonShape3D::get_debug_mesh_lines() const {
 	Set<DrawEdge> edges;
 
-	Vector<Vector3> data = get_faces();
-	int datalen = data.size();
-	ERR_FAIL_COND_V((datalen % 3) != 0, Vector<Vector3>());
+	int index_count = faces.size();
+	ERR_FAIL_COND_V((index_count % 3) != 0, Vector<Vector3>());
 
-	const Vector3 *r = data.ptr();
+	const Vector3 *r = faces.ptr();
 
-	for (int i = 0; i < datalen; i += 3) {
+	for (int i = 0; i < index_count; i += 3) {
 		for (int j = 0; j < 3; j++) {
 			DrawEdge de(r[i + j], r[i + ((j + 1) % 3)]);
 			edges.insert(de);
@@ -71,22 +70,46 @@ real_t ConcavePolygonShape3D::get_enclosing_radius() const {
 }
 
 void ConcavePolygonShape3D::_update_shape() {
+	Dictionary d;
+	d["faces"] = faces;
+	d["backface_collision"] = backface_collision;
+	PhysicsServer3D::get_singleton()->shape_set_data(get_shape(), d);
+
 	Shape3D::_update_shape();
 }
 
 void ConcavePolygonShape3D::set_faces(const Vector<Vector3> &p_faces) {
-	PhysicsServer3D::get_singleton()->shape_set_data(get_shape(), p_faces);
+	faces = p_faces;
+	_update_shape();
 	notify_change_to_owners();
 }
 
 Vector<Vector3> ConcavePolygonShape3D::get_faces() const {
-	return PhysicsServer3D::get_singleton()->shape_get_data(get_shape());
+	return faces;
+}
+
+void ConcavePolygonShape3D::set_backface_collision_enabled(bool p_enabled) {
+	backface_collision = p_enabled;
+
+	if (!faces.is_empty()) {
+		_update_shape();
+		notify_change_to_owners();
+	}
+}
+
+bool ConcavePolygonShape3D::is_backface_collision_enabled() const {
+	return backface_collision;
 }
 
 void ConcavePolygonShape3D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_faces", "faces"), &ConcavePolygonShape3D::set_faces);
 	ClassDB::bind_method(D_METHOD("get_faces"), &ConcavePolygonShape3D::get_faces);
+
+	ClassDB::bind_method(D_METHOD("set_backface_collision_enabled", "enabled"), &ConcavePolygonShape3D::set_backface_collision_enabled);
+	ClassDB::bind_method(D_METHOD("is_backface_collision_enabled"), &ConcavePolygonShape3D::is_backface_collision_enabled);
+
 	ADD_PROPERTY(PropertyInfo(Variant::PACKED_VECTOR3_ARRAY, "data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "set_faces", "get_faces");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "backface_collision"), "set_backface_collision_enabled", "is_backface_collision_enabled");
 }
 
 ConcavePolygonShape3D::ConcavePolygonShape3D() :
diff --git a/scene/resources/concave_polygon_shape_3d.h b/scene/resources/concave_polygon_shape_3d.h
index 391459a3d7..bb28359dcc 100644
--- a/scene/resources/concave_polygon_shape_3d.h
+++ b/scene/resources/concave_polygon_shape_3d.h
@@ -36,6 +36,9 @@
 class ConcavePolygonShape3D : public Shape3D {
 	GDCLASS(ConcavePolygonShape3D, Shape3D);
 
+	Vector<Vector3> faces;
+	bool backface_collision = false;
+
 	struct DrawEdge {
 		Vector3 a;
 		Vector3 b;
@@ -65,6 +68,9 @@ public:
 	void set_faces(const Vector<Vector3> &p_faces);
 	Vector<Vector3> get_faces() const;
 
+	void set_backface_collision_enabled(bool p_enabled);
+	bool is_backface_collision_enabled() const;
+
 	virtual Vector<Vector3> get_debug_mesh_lines() const override;
 	virtual real_t get_enclosing_radius() const override;
 
diff --git a/scene/resources/ray_shape_2d.cpp b/scene/resources/ray_shape_2d.cpp
index d2125445fa..fb8f4b9985 100644
--- a/scene/resources/ray_shape_2d.cpp
+++ b/scene/resources/ray_shape_2d.cpp
@@ -42,17 +42,33 @@ void RayShape2D::_update_shape() {
 }
 
 void RayShape2D::draw(const RID &p_to_rid, const Color &p_color) {
-	Vector2 tip = Vector2(0, get_length());
-	RS::get_singleton()->canvas_item_add_line(p_to_rid, Vector2(), tip, p_color, 3);
+	const Vector2 target_position = Vector2(0, get_length());
+
+	const float max_arrow_size = 6;
+	const float line_width = 1.4;
+	bool no_line = target_position.length() < line_width;
+	float arrow_size = CLAMP(target_position.length() * 2 / 3, line_width, max_arrow_size);
+
+	if (no_line) {
+		arrow_size = target_position.length();
+	} else {
+		RS::get_singleton()->canvas_item_add_line(p_to_rid, Vector2(), target_position - target_position.normalized() * arrow_size, p_color, line_width);
+	}
+
+	Transform2D xf;
+	xf.rotate(target_position.angle());
+	xf.translate(Vector2(no_line ? 0 : target_position.length() - arrow_size, 0));
+
 	Vector<Vector2> pts;
-	float tsize = 4.0;
-	pts.push_back(tip + Vector2(0, tsize));
-	pts.push_back(tip + Vector2(Math_SQRT12 * tsize, 0));
-	pts.push_back(tip + Vector2(-Math_SQRT12 * tsize, 0));
+	pts.push_back(xf.xform(Vector2(arrow_size, 0)));
+	pts.push_back(xf.xform(Vector2(0, 0.5 * arrow_size)));
+	pts.push_back(xf.xform(Vector2(0, -0.5 * arrow_size)));
+
 	Vector<Color> cols;
 	for (int i = 0; i < 3; i++) {
 		cols.push_back(p_color);
 	}
+
 	RS::get_singleton()->canvas_item_add_primitive(p_to_rid, pts, cols, Vector<Point2>(), RID());
 }
 
diff --git a/scene/resources/surface_tool.cpp b/scene/resources/surface_tool.cpp
index 47933bd69a..3d3900ecc5 100644
--- a/scene/resources/surface_tool.cpp
+++ b/scene/resources/surface_tool.cpp
@@ -1059,6 +1059,10 @@ void SurfaceTool::set_material(const Ref<Material> &p_material) {
 	material = p_material;
 }
 
+Ref<Material> SurfaceTool::get_material() const {
+	return material;
+}
+
 void SurfaceTool::clear() {
 	begun = false;
 	primitive = Mesh::PRIMITIVE_LINES;
@@ -1088,6 +1092,10 @@ void SurfaceTool::set_custom_format(int p_index, CustomFormat p_format) {
 	ERR_FAIL_COND(begun);
 	last_custom_format[p_index] = p_format;
 }
+
+Mesh::PrimitiveType SurfaceTool::get_primitive() const {
+	return primitive;
+}
 SurfaceTool::CustomFormat SurfaceTool::get_custom_format(int p_index) const {
 	ERR_FAIL_INDEX_V(p_index, RS::ARRAY_CUSTOM_COUNT, CUSTOM_MAX);
 	return last_custom_format[p_index];
@@ -1174,6 +1182,7 @@ void SurfaceTool::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("generate_lod", "nd_threshold", "target_index_count"), &SurfaceTool::generate_lod, DEFVAL(3));
 
 	ClassDB::bind_method(D_METHOD("set_material", "material"), &SurfaceTool::set_material);
+	ClassDB::bind_method(D_METHOD("get_primitive"), &SurfaceTool::get_primitive);
 
 	ClassDB::bind_method(D_METHOD("clear"), &SurfaceTool::clear);
 
diff --git a/scene/resources/surface_tool.h b/scene/resources/surface_tool.h
index 17efdcba71..28addf2245 100644
--- a/scene/resources/surface_tool.h
+++ b/scene/resources/surface_tool.h
@@ -143,6 +143,8 @@ public:
 	void set_custom_format(int p_index, CustomFormat p_format);
 	CustomFormat get_custom_format(int p_index) const;
 
+	Mesh::PrimitiveType get_primitive() const;
+
 	void begin(Mesh::PrimitiveType p_primitive);
 
 	void set_color(Color p_color);
@@ -171,6 +173,7 @@ public:
 	Vector<int> generate_lod(float p_threshold, int p_target_index_count = 3);
 
 	void set_material(const Ref<Material> &p_material);
+	Ref<Material> get_material() const;
 
 	void clear();