Restore RayShape as a regular shape type

Partial revert from previously removing ray shapes completely, added
back as a shape type but without the specific character controller code.

6 files changed, 103 insertions, 0 deletions

diff --git a/editor/icons/RayShape2D.svg b/editor/icons/RayShape2D.svg
new file mode 100644
index 0000000000..aa8cee1210
--- /dev/null
+++ b/editor/icons/RayShape2D.svg
@@ -0,0 +1 @@
+<svg height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg"><path d="m8 1a1 1 0 0 0 -1 1v9.5859l-1.293-1.293a1 1 0 0 0 -.7207-.29102 1 1 0 0 0 -.69336.29102 1 1 0 0 0 0 1.4141l3 3a1.0001 1.0001 0 0 0 .0039062.003907 1 1 0 0 0 .050781.044921 1.0001 1.0001 0 0 0 .03125.027344 1 1 0 0 0 .048828.035156 1.0001 1.0001 0 0 0 .023438.015625 1 1 0 0 0 .076172.044922 1.0001 1.0001 0 0 0 .0058593.003906 1 1 0 0 0 .013672.007813 1.0001 1.0001 0 0 0 .078125.035156 1 1 0 0 0 .074219.025391 1.0001 1.0001 0 0 0 .025391.009766 1 1 0 0 0 .039062.009765 1.0001 1.0001 0 0 0 .068359.013672 1.0001 1.0001 0 0 0 .097656.011719 1.0001 1.0001 0 0 0 .0078125 0 1 1 0 0 0 .0625.003906 1 1 0 0 0 .015625-.001953 1.0001 1.0001 0 0 0 .083984-.003906 1 1 0 0 0 .015625-.001953 1.0001 1.0001 0 0 0 .083984-.013672 1.0001 1.0001 0 0 0 .052734-.013672 1 1 0 0 0 .058594-.015625 1.0001 1.0001 0 0 0 .078125-.029297 1 1 0 0 0 .013672-.00586 1.0001 1.0001 0 0 0 .076172-.037109 1 1 0 0 0 .013672-.007812 1.0001 1.0001 0 0 0 .072266-.044922 1 1 0 0 0 .011719-.007813 1.0001 1.0001 0 0 0 .068359-.052734 1 1 0 0 0 .011719-.009766 1.0001 1.0001 0 0 0 .050781-.046875l.0097657-.011719 2.9902-2.9883a1 1 0 0 0 0-1.4141 1 1 0 0 0 -1.4141 0l-1.293 1.293v-9.5859a1 1 0 0 0 -1-1z" fill="#68b6ff" fill-rule="evenodd"/></svg>
diff --git a/editor/icons/RayShape3D.svg b/editor/icons/RayShape3D.svg
new file mode 100644
index 0000000000..44d32fe83b
--- /dev/null
+++ b/editor/icons/RayShape3D.svg
@@ -0,0 +1 @@
+<svg height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg"><g fill-rule="evenodd"><path d="m8 1-6 5 4 2.666v4.334l2 2v-5-2z" fill="#a2d2ff"/><path d="m8 1v7 2l-2-1.334v1.334l2 1.5v3.5l2-2v-4.334l4-2.666z" fill="#2998ff"/></g></svg>
diff --git a/editor/import/resource_importer_scene.cpp b/editor/import/resource_importer_scene.cpp
index 2b03ad928c..ef5e124ad9 100644
--- a/editor/import/resource_importer_scene.cpp
+++ b/editor/import/resource_importer_scene.cpp
@@ -45,6 +45,7 @@
 #include "scene/resources/animation.h"
 #include "scene/resources/box_shape_3d.h"
 #include "scene/resources/packed_scene.h"
+#include "scene/resources/ray_shape_3d.h"
 #include "scene/resources/resource_format_text.h"
 #include "scene/resources/sphere_shape_3d.h"
 #include "scene/resources/surface_tool.h"
@@ -379,6 +380,11 @@ Node *ResourceImporterScene::_pre_fix_node(Node *p_node, Node *p_root, Map<Ref<E
 				BoxShape3D *boxShape = memnew(BoxShape3D);
 				boxShape->set_size(Vector3(2, 2, 2));
 				colshape->set_shape(boxShape);
+			} else if (empty_draw_type == "SINGLE_ARROW") {
+				RayShape3D *rayShape = memnew(RayShape3D);
+				rayShape->set_length(1);
+				colshape->set_shape(rayShape);
+				Object::cast_to<Node3D>(sb)->rotate_x(Math_PI / 2);
 			} else if (empty_draw_type == "IMAGE") {
 				WorldMarginShape3D *world_margin_shape = memnew(WorldMarginShape3D);
 				colshape->set_shape(world_margin_shape);
diff --git a/editor/plugins/collision_shape_2d_editor_plugin.cpp b/editor/plugins/collision_shape_2d_editor_plugin.cpp
index c2684305ef..bfb7a68c35 100644
--- a/editor/plugins/collision_shape_2d_editor_plugin.cpp
+++ b/editor/plugins/collision_shape_2d_editor_plugin.cpp
@@ -36,6 +36,7 @@
 #include "scene/resources/circle_shape_2d.h"
 #include "scene/resources/concave_polygon_shape_2d.h"
 #include "scene/resources/convex_polygon_shape_2d.h"
+#include "scene/resources/ray_shape_2d.h"
 #include "scene/resources/rectangle_shape_2d.h"
 #include "scene/resources/segment_shape_2d.h"
 #include "scene/resources/world_margin_shape_2d.h"
@@ -80,6 +81,15 @@ Variant CollisionShape2DEditor::get_handle_value(int idx) const {
 
 		} break;
 
+		case RAY_SHAPE: {
+			Ref<RayShape2D> ray = node->get_shape();
+
+			if (idx == 0) {
+				return ray->get_length();
+			}
+
+		} break;
+
 		case RECTANGLE_SHAPE: {
 			Ref<RectangleShape2D> rect = node->get_shape();
 
@@ -152,6 +162,15 @@ void CollisionShape2DEditor::set_handle(int idx, Point2 &p_point) {
 
 		} break;
 
+		case RAY_SHAPE: {
+			Ref<RayShape2D> ray = node->get_shape();
+
+			ray->set_length(Math::abs(p_point.y));
+
+			canvas_item_editor->update_viewport();
+
+		} break;
+
 		case RECTANGLE_SHAPE: {
 			if (idx < 8) {
 				Ref<RectangleShape2D> rect = node->get_shape();
@@ -253,6 +272,16 @@ void CollisionShape2DEditor::commit_handle(int idx, Variant &p_org) {
 
 		} break;
 
+		case RAY_SHAPE: {
+			Ref<RayShape2D> ray = node->get_shape();
+
+			undo_redo->add_do_method(ray.ptr(), "set_length", ray->get_length());
+			undo_redo->add_do_method(canvas_item_editor, "update_viewport");
+			undo_redo->add_undo_method(ray.ptr(), "set_length", p_org);
+			undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
+
+		} break;
+
 		case RECTANGLE_SHAPE: {
 			Ref<RectangleShape2D> rect = node->get_shape();
 
@@ -394,6 +423,8 @@ void CollisionShape2DEditor::_get_current_shape_type() {
 		shape_type = CONVEX_POLYGON_SHAPE;
 	} else if (Object::cast_to<WorldMarginShape2D>(*s)) {
 		shape_type = WORLD_MARGIN_SHAPE;
+	} else if (Object::cast_to<RayShape2D>(*s)) {
+		shape_type = RAY_SHAPE;
 	} else if (Object::cast_to<RectangleShape2D>(*s)) {
 		shape_type = RECTANGLE_SHAPE;
 	} else if (Object::cast_to<SegmentShape2D>(*s)) {
@@ -471,6 +502,16 @@ void CollisionShape2DEditor::forward_canvas_draw_over_viewport(Control *p_overla
 
 		} break;
 
+		case RAY_SHAPE: {
+			Ref<RayShape2D> shape = node->get_shape();
+
+			handles.resize(1);
+			handles.write[0] = Point2(0, shape->get_length());
+
+			p_overlay->draw_texture(h, gt.xform(handles[0]) - size);
+
+		} break;
+
 		case RECTANGLE_SHAPE: {
 			Ref<RectangleShape2D> shape = node->get_shape();
 
diff --git a/editor/plugins/collision_shape_2d_editor_plugin.h b/editor/plugins/collision_shape_2d_editor_plugin.h
index 056e1b5b7d..eab80a419b 100644
--- a/editor/plugins/collision_shape_2d_editor_plugin.h
+++ b/editor/plugins/collision_shape_2d_editor_plugin.h
@@ -47,6 +47,7 @@ class CollisionShape2DEditor : public Control {
 		CONCAVE_POLYGON_SHAPE,
 		CONVEX_POLYGON_SHAPE,
 		WORLD_MARGIN_SHAPE,
+		RAY_SHAPE,
 		RECTANGLE_SHAPE,
 		SEGMENT_SHAPE
 	};
diff --git a/editor/plugins/node_3d_editor_gizmos.cpp b/editor/plugins/node_3d_editor_gizmos.cpp
index 5d1b4d8ead..a23886b9e7 100644
--- a/editor/plugins/node_3d_editor_gizmos.cpp
+++ b/editor/plugins/node_3d_editor_gizmos.cpp
@@ -66,6 +66,7 @@
 #include "scene/resources/cylinder_shape_3d.h"
 #include "scene/resources/height_map_shape_3d.h"
 #include "scene/resources/primitive_meshes.h"
+#include "scene/resources/ray_shape_3d.h"
 #include "scene/resources/sphere_shape_3d.h"
 #include "scene/resources/surface_tool.h"
 #include "scene/resources/world_margin_shape_3d.h"
@@ -4067,6 +4068,10 @@ String CollisionShape3DGizmoPlugin::get_handle_name(const EditorNode3DGizmo *p_g
 		return p_id == 0 ? "Radius" : "Height";
 	}
 
+	if (Object::cast_to<RayShape3D>(*s)) {
+		return "Length";
+	}
+
 	return "";
 }
 
@@ -4098,6 +4103,11 @@ Variant CollisionShape3DGizmoPlugin::get_handle_value(const EditorNode3DGizmo *p
 		return p_id == 0 ? cs2->get_radius() : cs2->get_height();
 	}
 
+	if (Object::cast_to<RayShape3D>(*s)) {
+		Ref<RayShape3D> cs2 = s;
+		return cs2->get_length();
+	}
+
 	return Variant();
 }
 
@@ -4133,6 +4143,22 @@ void CollisionShape3DGizmoPlugin::set_handle(const EditorNode3DGizmo *p_gizmo, i
 		ss->set_radius(d);
 	}
 
+	if (Object::cast_to<RayShape3D>(*s)) {
+		Ref<RayShape3D> rs = s;
+		Vector3 ra, rb;
+		Geometry3D::get_closest_points_between_segments(Vector3(), Vector3(0, 0, 4096), sg[0], sg[1], ra, rb);
+		float d = ra.z;
+		if (Node3DEditor::get_singleton()->is_snap_enabled()) {
+			d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
+		}
+
+		if (d < 0.001) {
+			d = 0.001;
+		}
+
+		rs->set_length(d);
+	}
+
 	if (Object::cast_to<BoxShape3D>(*s)) {
 		Vector3 axis;
 		axis[p_id] = 1.0;
@@ -4287,6 +4313,20 @@ void CollisionShape3DGizmoPlugin::commit_handle(const EditorNode3DGizmo *p_gizmo
 
 		ur->commit_action();
 	}
+
+	if (Object::cast_to<RayShape3D>(*s)) {
+		Ref<RayShape3D> ss = s;
+		if (p_cancel) {
+			ss->set_length(p_restore);
+			return;
+		}
+
+		UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
+		ur->create_action(TTR("Change Ray Shape Length"));
+		ur->add_do_method(ss.ptr(), "set_length", ss->get_length());
+		ur->add_undo_method(ss.ptr(), "set_length", p_restore);
+		ur->commit_action();
+	}
 }
 
 void CollisionShape3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
@@ -4557,6 +4597,19 @@ void CollisionShape3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
 		p_gizmo->add_collision_segments(cs2->get_debug_mesh_lines());
 	}
 
+	if (Object::cast_to<RayShape3D>(*s)) {
+		Ref<RayShape3D> rs = s;
+
+		Vector<Vector3> points;
+		points.push_back(Vector3());
+		points.push_back(Vector3(0, 0, rs->get_length()));
+		p_gizmo->add_lines(points, material);
+		p_gizmo->add_collision_segments(points);
+		Vector<Vector3> handles;
+		handles.push_back(Vector3(0, 0, rs->get_length()));
+		p_gizmo->add_handles(handles, handles_material);
+	}
+
 	if (Object::cast_to<HeightMapShape3D>(*s)) {
 		Ref<HeightMapShape3D> hms = s;