Modules: Don't build editor-specific classes in templates

They're moved to an `editor` subfolder so that we can easily handle them
separately.

2 files changed, 498 insertions, 0 deletions

diff --git a/modules/csg/editor/csg_gizmos.cpp b/modules/csg/editor/csg_gizmos.cpp
new file mode 100644
index 0000000000..be29810252
--- /dev/null
+++ b/modules/csg/editor/csg_gizmos.cpp
@@ -0,0 +1,431 @@
+/*************************************************************************/
+/*  csg_gizmos.cpp                                                       */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "csg_gizmos.h"
+
+#ifdef TOOLS_ENABLED
+
+#include "editor/editor_settings.h"
+#include "editor/plugins/node_3d_editor_plugin.h"
+#include "scene/3d/camera_3d.h"
+
+///////////
+
+CSGShape3DGizmoPlugin::CSGShape3DGizmoPlugin() {
+	Color gizmo_color = EDITOR_DEF("editors/3d_gizmos/gizmo_colors/csg", Color(0.0, 0.4, 1, 0.15));
+	create_material("shape_union_material", gizmo_color);
+	create_material("shape_union_solid_material", gizmo_color);
+	gizmo_color.invert();
+	create_material("shape_subtraction_material", gizmo_color);
+	create_material("shape_subtraction_solid_material", gizmo_color);
+	gizmo_color.r = 0.95;
+	gizmo_color.g = 0.95;
+	gizmo_color.b = 0.95;
+	create_material("shape_intersection_material", gizmo_color);
+	create_material("shape_intersection_solid_material", gizmo_color);
+
+	create_handle_material("handles");
+}
+
+String CSGShape3DGizmoPlugin::get_handle_name(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const {
+	CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
+
+	if (Object::cast_to<CSGSphere3D>(cs)) {
+		return "Radius";
+	}
+
+	if (Object::cast_to<CSGBox3D>(cs)) {
+		return "Size";
+	}
+
+	if (Object::cast_to<CSGCylinder3D>(cs)) {
+		return p_id == 0 ? "Radius" : "Height";
+	}
+
+	if (Object::cast_to<CSGTorus3D>(cs)) {
+		return p_id == 0 ? "InnerRadius" : "OuterRadius";
+	}
+
+	return "";
+}
+
+Variant CSGShape3DGizmoPlugin::get_handle_value(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const {
+	CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
+
+	if (Object::cast_to<CSGSphere3D>(cs)) {
+		CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
+		return s->get_radius();
+	}
+
+	if (Object::cast_to<CSGBox3D>(cs)) {
+		CSGBox3D *s = Object::cast_to<CSGBox3D>(cs);
+		return s->get_size();
+	}
+
+	if (Object::cast_to<CSGCylinder3D>(cs)) {
+		CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
+		return p_id == 0 ? s->get_radius() : s->get_height();
+	}
+
+	if (Object::cast_to<CSGTorus3D>(cs)) {
+		CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
+		return p_id == 0 ? s->get_inner_radius() : s->get_outer_radius();
+	}
+
+	return Variant();
+}
+
+void CSGShape3DGizmoPlugin::set_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, Camera3D *p_camera, const Point2 &p_point) {
+	CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
+
+	Transform3D gt = cs->get_global_transform();
+	//gt.orthonormalize();
+	Transform3D gi = gt.affine_inverse();
+
+	Vector3 ray_from = p_camera->project_ray_origin(p_point);
+	Vector3 ray_dir = p_camera->project_ray_normal(p_point);
+
+	Vector3 sg[2] = { gi.xform(ray_from), gi.xform(ray_from + ray_dir * 16384) };
+
+	if (Object::cast_to<CSGSphere3D>(cs)) {
+		CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
+
+		Vector3 ra, rb;
+		Geometry3D::get_closest_points_between_segments(Vector3(), Vector3(4096, 0, 0), sg[0], sg[1], ra, rb);
+		float d = ra.x;
+		if (Node3DEditor::get_singleton()->is_snap_enabled()) {
+			d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
+		}
+
+		if (d < 0.001) {
+			d = 0.001;
+		}
+
+		s->set_radius(d);
+	}
+
+	if (Object::cast_to<CSGBox3D>(cs)) {
+		CSGBox3D *s = Object::cast_to<CSGBox3D>(cs);
+
+		Vector3 axis;
+		axis[p_id] = 1.0;
+		Vector3 ra, rb;
+		Geometry3D::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
+		float d = ra[p_id];
+
+		if (Math::is_nan(d)) {
+			// The handle is perpendicular to the camera.
+			return;
+		}
+
+		if (Node3DEditor::get_singleton()->is_snap_enabled()) {
+			d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
+		}
+
+		if (d < 0.001) {
+			d = 0.001;
+		}
+
+		Vector3 h = s->get_size();
+		h[p_id] = d * 2;
+		s->set_size(h);
+	}
+
+	if (Object::cast_to<CSGCylinder3D>(cs)) {
+		CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
+
+		Vector3 axis;
+		axis[p_id == 0 ? 0 : 1] = 1.0;
+		Vector3 ra, rb;
+		Geometry3D::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
+		float d = axis.dot(ra);
+		if (Node3DEditor::get_singleton()->is_snap_enabled()) {
+			d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
+		}
+
+		if (d < 0.001) {
+			d = 0.001;
+		}
+
+		if (p_id == 0) {
+			s->set_radius(d);
+		} else if (p_id == 1) {
+			s->set_height(d * 2.0);
+		}
+	}
+
+	if (Object::cast_to<CSGTorus3D>(cs)) {
+		CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
+
+		Vector3 axis;
+		axis[0] = 1.0;
+		Vector3 ra, rb;
+		Geometry3D::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
+		float d = axis.dot(ra);
+		if (Node3DEditor::get_singleton()->is_snap_enabled()) {
+			d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
+		}
+
+		if (d < 0.001) {
+			d = 0.001;
+		}
+
+		if (p_id == 0) {
+			s->set_inner_radius(d);
+		} else if (p_id == 1) {
+			s->set_outer_radius(d);
+		}
+	}
+}
+
+void CSGShape3DGizmoPlugin::commit_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, const Variant &p_restore, bool p_cancel) {
+	CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
+
+	if (Object::cast_to<CSGSphere3D>(cs)) {
+		CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
+		if (p_cancel) {
+			s->set_radius(p_restore);
+			return;
+		}
+
+		UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
+		ur->create_action(TTR("Change Sphere Shape Radius"));
+		ur->add_do_method(s, "set_radius", s->get_radius());
+		ur->add_undo_method(s, "set_radius", p_restore);
+		ur->commit_action();
+	}
+
+	if (Object::cast_to<CSGBox3D>(cs)) {
+		CSGBox3D *s = Object::cast_to<CSGBox3D>(cs);
+		if (p_cancel) {
+			s->set_size(p_restore);
+			return;
+		}
+
+		UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
+		ur->create_action(TTR("Change Box Shape Size"));
+		ur->add_do_method(s, "set_size", s->get_size());
+		ur->add_undo_method(s, "set_size", p_restore);
+		ur->commit_action();
+	}
+
+	if (Object::cast_to<CSGCylinder3D>(cs)) {
+		CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
+		if (p_cancel) {
+			if (p_id == 0) {
+				s->set_radius(p_restore);
+			} else {
+				s->set_height(p_restore);
+			}
+			return;
+		}
+
+		UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
+		if (p_id == 0) {
+			ur->create_action(TTR("Change Cylinder Radius"));
+			ur->add_do_method(s, "set_radius", s->get_radius());
+			ur->add_undo_method(s, "set_radius", p_restore);
+		} else {
+			ur->create_action(TTR("Change Cylinder Height"));
+			ur->add_do_method(s, "set_height", s->get_height());
+			ur->add_undo_method(s, "set_height", p_restore);
+		}
+
+		ur->commit_action();
+	}
+
+	if (Object::cast_to<CSGTorus3D>(cs)) {
+		CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
+		if (p_cancel) {
+			if (p_id == 0) {
+				s->set_inner_radius(p_restore);
+			} else {
+				s->set_outer_radius(p_restore);
+			}
+			return;
+		}
+
+		UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
+		if (p_id == 0) {
+			ur->create_action(TTR("Change Torus Inner Radius"));
+			ur->add_do_method(s, "set_inner_radius", s->get_inner_radius());
+			ur->add_undo_method(s, "set_inner_radius", p_restore);
+		} else {
+			ur->create_action(TTR("Change Torus Outer Radius"));
+			ur->add_do_method(s, "set_outer_radius", s->get_outer_radius());
+			ur->add_undo_method(s, "set_outer_radius", p_restore);
+		}
+
+		ur->commit_action();
+	}
+}
+
+bool CSGShape3DGizmoPlugin::has_gizmo(Node3D *p_spatial) {
+	return Object::cast_to<CSGSphere3D>(p_spatial) || Object::cast_to<CSGBox3D>(p_spatial) || Object::cast_to<CSGCylinder3D>(p_spatial) || Object::cast_to<CSGTorus3D>(p_spatial) || Object::cast_to<CSGMesh3D>(p_spatial) || Object::cast_to<CSGPolygon3D>(p_spatial);
+}
+
+String CSGShape3DGizmoPlugin::get_gizmo_name() const {
+	return "CSGShape3D";
+}
+
+int CSGShape3DGizmoPlugin::get_priority() const {
+	return -1;
+}
+
+bool CSGShape3DGizmoPlugin::is_selectable_when_hidden() const {
+	return true;
+}
+
+void CSGShape3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
+	p_gizmo->clear();
+
+	CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
+
+	Vector<Vector3> faces = cs->get_brush_faces();
+
+	if (faces.size() == 0) {
+		return;
+	}
+
+	Vector<Vector3> lines;
+	lines.resize(faces.size() * 2);
+	{
+		const Vector3 *r = faces.ptr();
+
+		for (int i = 0; i < lines.size(); i += 6) {
+			int f = i / 6;
+			for (int j = 0; j < 3; j++) {
+				int j_n = (j + 1) % 3;
+				lines.write[i + j * 2 + 0] = r[f * 3 + j];
+				lines.write[i + j * 2 + 1] = r[f * 3 + j_n];
+			}
+		}
+	}
+
+	Ref<Material> material;
+	switch (cs->get_operation()) {
+		case CSGShape3D::OPERATION_UNION:
+			material = get_material("shape_union_material", p_gizmo);
+			break;
+		case CSGShape3D::OPERATION_INTERSECTION:
+			material = get_material("shape_intersection_material", p_gizmo);
+			break;
+		case CSGShape3D::OPERATION_SUBTRACTION:
+			material = get_material("shape_subtraction_material", p_gizmo);
+			break;
+	}
+
+	Ref<Material> handles_material = get_material("handles");
+
+	p_gizmo->add_lines(lines, material);
+	p_gizmo->add_collision_segments(lines);
+
+	Array csg_meshes = cs->get_meshes();
+	if (csg_meshes.size() != 2) {
+		return;
+	}
+
+	Ref<Mesh> csg_mesh = csg_meshes[1];
+	if (csg_mesh.is_valid()) {
+		p_gizmo->add_collision_triangles(csg_mesh->generate_triangle_mesh());
+	}
+
+	if (p_gizmo->is_selected()) {
+		// Draw a translucent representation of the CSG node
+		Ref<ArrayMesh> mesh = memnew(ArrayMesh);
+		Array array;
+		array.resize(Mesh::ARRAY_MAX);
+		array[Mesh::ARRAY_VERTEX] = faces;
+		mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, array);
+
+		Ref<Material> solid_material;
+		switch (cs->get_operation()) {
+			case CSGShape3D::OPERATION_UNION:
+				solid_material = get_material("shape_union_solid_material", p_gizmo);
+				break;
+			case CSGShape3D::OPERATION_INTERSECTION:
+				solid_material = get_material("shape_intersection_solid_material", p_gizmo);
+				break;
+			case CSGShape3D::OPERATION_SUBTRACTION:
+				solid_material = get_material("shape_subtraction_solid_material", p_gizmo);
+				break;
+		}
+
+		p_gizmo->add_mesh(mesh, solid_material);
+	}
+
+	if (Object::cast_to<CSGSphere3D>(cs)) {
+		CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
+
+		float r = s->get_radius();
+		Vector<Vector3> handles;
+		handles.push_back(Vector3(r, 0, 0));
+		p_gizmo->add_handles(handles, handles_material);
+	}
+
+	if (Object::cast_to<CSGBox3D>(cs)) {
+		CSGBox3D *s = Object::cast_to<CSGBox3D>(cs);
+
+		Vector<Vector3> handles;
+
+		for (int i = 0; i < 3; i++) {
+			Vector3 h;
+			h[i] = s->get_size()[i] / 2;
+			handles.push_back(h);
+		}
+
+		p_gizmo->add_handles(handles, handles_material);
+	}
+
+	if (Object::cast_to<CSGCylinder3D>(cs)) {
+		CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
+
+		Vector<Vector3> handles;
+		handles.push_back(Vector3(s->get_radius(), 0, 0));
+		handles.push_back(Vector3(0, s->get_height() * 0.5, 0));
+		p_gizmo->add_handles(handles, handles_material);
+	}
+
+	if (Object::cast_to<CSGTorus3D>(cs)) {
+		CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
+
+		Vector<Vector3> handles;
+		handles.push_back(Vector3(s->get_inner_radius(), 0, 0));
+		handles.push_back(Vector3(s->get_outer_radius(), 0, 0));
+		p_gizmo->add_handles(handles, handles_material);
+	}
+}
+
+EditorPluginCSG::EditorPluginCSG() {
+	Ref<CSGShape3DGizmoPlugin> gizmo_plugin = Ref<CSGShape3DGizmoPlugin>(memnew(CSGShape3DGizmoPlugin));
+	Node3DEditor::get_singleton()->add_gizmo_plugin(gizmo_plugin);
+}
+
+#endif // TOOLS_ENABLED
diff --git a/modules/csg/editor/csg_gizmos.h b/modules/csg/editor/csg_gizmos.h
new file mode 100644
index 0000000000..fa51010f98
--- /dev/null
+++ b/modules/csg/editor/csg_gizmos.h
@@ -0,0 +1,67 @@
+/*************************************************************************/
+/*  csg_gizmos.h                                                         */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef CSG_GIZMOS_H
+#define CSG_GIZMOS_H
+
+#ifdef TOOLS_ENABLED
+
+#include "../csg_shape.h"
+#include "editor/editor_plugin.h"
+#include "editor/plugins/node_3d_editor_gizmos.h"
+
+class CSGShape3DGizmoPlugin : public EditorNode3DGizmoPlugin {
+	GDCLASS(CSGShape3DGizmoPlugin, EditorNode3DGizmoPlugin);
+
+public:
+	virtual bool has_gizmo(Node3D *p_spatial) override;
+	virtual String get_gizmo_name() const override;
+	virtual int get_priority() const override;
+	virtual bool is_selectable_when_hidden() const override;
+	virtual void redraw(EditorNode3DGizmo *p_gizmo) override;
+
+	virtual String get_handle_name(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const override;
+	virtual Variant get_handle_value(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const override;
+	virtual void set_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, Camera3D *p_camera, const Point2 &p_point) override;
+	virtual void commit_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, const Variant &p_restore, bool p_cancel) override;
+
+	CSGShape3DGizmoPlugin();
+};
+
+class EditorPluginCSG : public EditorPlugin {
+	GDCLASS(EditorPluginCSG, EditorPlugin);
+
+public:
+	EditorPluginCSG();
+};
+
+#endif // TOOLS_ENABLED
+
+#endif // CSG_GIZMOS_H