6455810db8
Adds API to bake a CSG root node operation to either a static ArrayMesh or a ConcavePolygonShape3D physics collision shape. Adds menu options to the editor plugin when selecting a CSG root node to add baked sibling nodes.
547 lines
17 KiB
C++
547 lines
17 KiB
C++
/**************************************************************************/
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/* csg_gizmos.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "csg_gizmos.h"
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#ifdef TOOLS_ENABLED
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#include "editor/editor_node.h"
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#include "editor/editor_settings.h"
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#include "editor/editor_undo_redo_manager.h"
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#include "editor/plugins/gizmos/gizmo_3d_helper.h"
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#include "editor/plugins/node_3d_editor_plugin.h"
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#include "scene/3d/camera_3d.h"
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#include "scene/3d/mesh_instance_3d.h"
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#include "scene/3d/physics/collision_shape_3d.h"
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#include "scene/3d/physics/static_body_3d.h"
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#include "scene/gui/dialogs.h"
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#include "scene/gui/menu_button.h"
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void CSGShapeEditor::_node_removed(Node *p_node) {
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if (p_node == node) {
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node = nullptr;
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options->hide();
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}
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}
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void CSGShapeEditor::edit(CSGShape3D *p_csg_shape) {
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node = p_csg_shape;
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if (node) {
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options->show();
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} else {
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options->hide();
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}
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}
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void CSGShapeEditor::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_THEME_CHANGED: {
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options->set_icon(get_editor_theme_icon(SNAME("CSGCombiner3D")));
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} break;
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}
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}
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void CSGShapeEditor::_menu_option(int p_option) {
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Array meshes = node->get_meshes();
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if (meshes.is_empty()) {
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err_dialog->set_text(TTR("CSG operation returned an empty array."));
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err_dialog->popup_centered();
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return;
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}
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switch (p_option) {
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case MENU_OPTION_BAKE_MESH_INSTANCE: {
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_create_baked_mesh_instance();
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} break;
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case MENU_OPTION_BAKE_COLLISION_SHAPE: {
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_create_baked_collision_shape();
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} break;
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}
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}
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void CSGShapeEditor::_create_baked_mesh_instance() {
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if (node == get_tree()->get_edited_scene_root()) {
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err_dialog->set_text(TTR("Can not add a baked mesh as sibling for the scene root.\nMove the CSG root node below a parent node."));
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err_dialog->popup_centered();
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return;
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}
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Ref<ArrayMesh> mesh = node->bake_static_mesh();
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if (mesh.is_null()) {
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err_dialog->set_text(TTR("CSG operation returned an empty mesh."));
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err_dialog->popup_centered();
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return;
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}
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EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
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ur->create_action(TTR("Create baked CSGShape3D Mesh Instance"));
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Node *owner = get_tree()->get_edited_scene_root();
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MeshInstance3D *mi = memnew(MeshInstance3D);
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mi->set_mesh(mesh);
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mi->set_name("CSGBakedMeshInstance3D");
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mi->set_transform(node->get_transform());
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ur->add_do_method(node, "add_sibling", mi, true);
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ur->add_do_method(mi, "set_owner", owner);
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ur->add_do_method(Node3DEditor::get_singleton(), SceneStringName(_request_gizmo), mi);
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ur->add_do_reference(mi);
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ur->add_undo_method(node->get_parent(), "remove_child", mi);
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ur->commit_action();
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}
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void CSGShapeEditor::_create_baked_collision_shape() {
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if (node == get_tree()->get_edited_scene_root()) {
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err_dialog->set_text(TTR("Can not add a baked collision shape as sibling for the scene root.\nMove the CSG root node below a parent node."));
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err_dialog->popup_centered();
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return;
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}
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Ref<Shape3D> shape = node->bake_collision_shape();
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if (shape.is_null()) {
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err_dialog->set_text(TTR("CSG operation returned an empty shape."));
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err_dialog->popup_centered();
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return;
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}
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EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
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ur->create_action(TTR("Create baked CSGShape3D Collision Shape"));
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Node *owner = get_tree()->get_edited_scene_root();
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CollisionShape3D *cshape = memnew(CollisionShape3D);
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cshape->set_shape(shape);
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cshape->set_name("CSGBakedCollisionShape3D");
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cshape->set_transform(node->get_transform());
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ur->add_do_method(node, "add_sibling", cshape, true);
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ur->add_do_method(cshape, "set_owner", owner);
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ur->add_do_method(Node3DEditor::get_singleton(), SceneStringName(_request_gizmo), cshape);
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ur->add_do_reference(cshape);
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ur->add_undo_method(node->get_parent(), "remove_child", cshape);
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ur->commit_action();
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}
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CSGShapeEditor::CSGShapeEditor() {
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options = memnew(MenuButton);
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options->hide();
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options->set_text(TTR("CSG"));
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options->set_switch_on_hover(true);
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Node3DEditor::get_singleton()->add_control_to_menu_panel(options);
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options->get_popup()->add_item(TTR("Bake Mesh Instance"), MENU_OPTION_BAKE_MESH_INSTANCE);
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options->get_popup()->add_item(TTR("Bake Collision Shape"), MENU_OPTION_BAKE_COLLISION_SHAPE);
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options->get_popup()->connect(SceneStringName(id_pressed), callable_mp(this, &CSGShapeEditor::_menu_option));
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err_dialog = memnew(AcceptDialog);
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add_child(err_dialog);
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}
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///////////
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CSGShape3DGizmoPlugin::CSGShape3DGizmoPlugin() {
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helper.instantiate();
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Color gizmo_color = EDITOR_DEF_RST("editors/3d_gizmos/gizmo_colors/csg", Color(0.0, 0.4, 1, 0.15));
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create_material("shape_union_material", gizmo_color);
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create_material("shape_union_solid_material", gizmo_color);
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gizmo_color.invert();
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create_material("shape_subtraction_material", gizmo_color);
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create_material("shape_subtraction_solid_material", gizmo_color);
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gizmo_color.r = 0.95;
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gizmo_color.g = 0.95;
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gizmo_color.b = 0.95;
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create_material("shape_intersection_material", gizmo_color);
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create_material("shape_intersection_solid_material", gizmo_color);
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create_handle_material("handles");
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}
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CSGShape3DGizmoPlugin::~CSGShape3DGizmoPlugin() {
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}
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String CSGShape3DGizmoPlugin::get_handle_name(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const {
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CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_node_3d());
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if (Object::cast_to<CSGSphere3D>(cs)) {
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return "Radius";
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}
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if (Object::cast_to<CSGBox3D>(cs)) {
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return helper->box_get_handle_name(p_id);
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}
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if (Object::cast_to<CSGCylinder3D>(cs)) {
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return p_id == 0 ? "Radius" : "Height";
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}
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if (Object::cast_to<CSGTorus3D>(cs)) {
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return p_id == 0 ? "InnerRadius" : "OuterRadius";
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}
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return "";
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}
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Variant CSGShape3DGizmoPlugin::get_handle_value(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const {
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CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_node_3d());
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if (Object::cast_to<CSGSphere3D>(cs)) {
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CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
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return s->get_radius();
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}
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if (Object::cast_to<CSGBox3D>(cs)) {
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CSGBox3D *s = Object::cast_to<CSGBox3D>(cs);
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return s->get_size();
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}
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if (Object::cast_to<CSGCylinder3D>(cs)) {
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CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
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return p_id == 0 ? s->get_radius() : s->get_height();
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}
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if (Object::cast_to<CSGTorus3D>(cs)) {
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CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
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return p_id == 0 ? s->get_inner_radius() : s->get_outer_radius();
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}
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return Variant();
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}
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void CSGShape3DGizmoPlugin::begin_handle_action(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) {
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helper->initialize_handle_action(get_handle_value(p_gizmo, p_id, p_secondary), p_gizmo->get_node_3d()->get_global_transform());
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}
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void CSGShape3DGizmoPlugin::set_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, Camera3D *p_camera, const Point2 &p_point) {
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CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_node_3d());
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Vector3 sg[2];
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helper->get_segment(p_camera, p_point, sg);
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if (Object::cast_to<CSGSphere3D>(cs)) {
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CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
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Vector3 ra, rb;
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Geometry3D::get_closest_points_between_segments(Vector3(), Vector3(4096, 0, 0), sg[0], sg[1], ra, rb);
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float d = ra.x;
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if (Node3DEditor::get_singleton()->is_snap_enabled()) {
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d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
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}
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if (d < 0.001) {
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d = 0.001;
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}
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s->set_radius(d);
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}
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if (Object::cast_to<CSGBox3D>(cs)) {
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CSGBox3D *s = Object::cast_to<CSGBox3D>(cs);
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Vector3 size = s->get_size();
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Vector3 position;
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helper->box_set_handle(sg, p_id, size, position);
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s->set_size(size);
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s->set_global_position(position);
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}
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if (Object::cast_to<CSGCylinder3D>(cs)) {
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CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
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Vector3 axis;
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axis[p_id == 0 ? 0 : 1] = 1.0;
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Vector3 ra, rb;
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Geometry3D::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
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float d = axis.dot(ra);
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if (Node3DEditor::get_singleton()->is_snap_enabled()) {
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d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
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}
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if (d < 0.001) {
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d = 0.001;
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}
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if (p_id == 0) {
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s->set_radius(d);
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} else if (p_id == 1) {
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s->set_height(d * 2.0);
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}
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}
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if (Object::cast_to<CSGTorus3D>(cs)) {
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CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
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Vector3 axis;
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axis[0] = 1.0;
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Vector3 ra, rb;
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Geometry3D::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
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float d = axis.dot(ra);
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if (Node3DEditor::get_singleton()->is_snap_enabled()) {
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d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
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}
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if (d < 0.001) {
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d = 0.001;
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}
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if (p_id == 0) {
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s->set_inner_radius(d);
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} else if (p_id == 1) {
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s->set_outer_radius(d);
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}
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}
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}
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void CSGShape3DGizmoPlugin::commit_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, const Variant &p_restore, bool p_cancel) {
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CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_node_3d());
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if (Object::cast_to<CSGSphere3D>(cs)) {
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CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
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if (p_cancel) {
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s->set_radius(p_restore);
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return;
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}
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EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
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ur->create_action(TTR("Change Sphere Shape Radius"));
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ur->add_do_method(s, "set_radius", s->get_radius());
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ur->add_undo_method(s, "set_radius", p_restore);
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ur->commit_action();
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}
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if (Object::cast_to<CSGBox3D>(cs)) {
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helper->box_commit_handle(TTR("Change Box Shape Size"), p_cancel, cs);
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}
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if (Object::cast_to<CSGCylinder3D>(cs)) {
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CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
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if (p_cancel) {
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if (p_id == 0) {
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s->set_radius(p_restore);
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} else {
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s->set_height(p_restore);
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}
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return;
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}
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EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
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if (p_id == 0) {
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ur->create_action(TTR("Change Cylinder Radius"));
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ur->add_do_method(s, "set_radius", s->get_radius());
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ur->add_undo_method(s, "set_radius", p_restore);
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} else {
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ur->create_action(TTR("Change Cylinder Height"));
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ur->add_do_method(s, "set_height", s->get_height());
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ur->add_undo_method(s, "set_height", p_restore);
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}
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ur->commit_action();
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}
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if (Object::cast_to<CSGTorus3D>(cs)) {
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CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
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if (p_cancel) {
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if (p_id == 0) {
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s->set_inner_radius(p_restore);
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} else {
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s->set_outer_radius(p_restore);
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}
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return;
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}
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EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
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if (p_id == 0) {
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ur->create_action(TTR("Change Torus Inner Radius"));
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ur->add_do_method(s, "set_inner_radius", s->get_inner_radius());
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ur->add_undo_method(s, "set_inner_radius", p_restore);
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} else {
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ur->create_action(TTR("Change Torus Outer Radius"));
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ur->add_do_method(s, "set_outer_radius", s->get_outer_radius());
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ur->add_undo_method(s, "set_outer_radius", p_restore);
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}
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ur->commit_action();
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}
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}
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bool CSGShape3DGizmoPlugin::has_gizmo(Node3D *p_spatial) {
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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);
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}
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String CSGShape3DGizmoPlugin::get_gizmo_name() const {
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return "CSGShape3D";
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}
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int CSGShape3DGizmoPlugin::get_priority() const {
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return -1;
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}
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bool CSGShape3DGizmoPlugin::is_selectable_when_hidden() const {
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return true;
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}
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void CSGShape3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
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p_gizmo->clear();
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CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_node_3d());
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Vector<Vector3> faces = cs->get_brush_faces();
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if (faces.size() == 0) {
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return;
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}
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Vector<Vector3> lines;
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lines.resize(faces.size() * 2);
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{
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const Vector3 *r = faces.ptr();
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for (int i = 0; i < lines.size(); i += 6) {
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int f = i / 6;
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for (int j = 0; j < 3; j++) {
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int j_n = (j + 1) % 3;
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lines.write[i + j * 2 + 0] = r[f * 3 + j];
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lines.write[i + j * 2 + 1] = r[f * 3 + j_n];
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}
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}
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}
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Ref<Material> material;
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switch (cs->get_operation()) {
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case CSGShape3D::OPERATION_UNION:
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material = get_material("shape_union_material", p_gizmo);
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break;
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case CSGShape3D::OPERATION_INTERSECTION:
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material = get_material("shape_intersection_material", p_gizmo);
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break;
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case CSGShape3D::OPERATION_SUBTRACTION:
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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);
|
|
|
|
if (cs->is_root_shape()) {
|
|
Array csg_meshes = cs->get_meshes();
|
|
if (csg_meshes.size() == 2) {
|
|
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 = helper->box_get_handles(s->get_size());
|
|
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);
|
|
}
|
|
}
|
|
|
|
void EditorPluginCSG::edit(Object *p_object) {
|
|
CSGShape3D *csg_shape = Object::cast_to<CSGShape3D>(p_object);
|
|
if (csg_shape && csg_shape->is_root_shape()) {
|
|
csg_shape_editor->edit(csg_shape);
|
|
} else {
|
|
csg_shape_editor->edit(nullptr);
|
|
}
|
|
}
|
|
|
|
bool EditorPluginCSG::handles(Object *p_object) const {
|
|
CSGShape3D *csg_shape = Object::cast_to<CSGShape3D>(p_object);
|
|
return csg_shape && csg_shape->is_root_shape();
|
|
}
|
|
|
|
EditorPluginCSG::EditorPluginCSG() {
|
|
Ref<CSGShape3DGizmoPlugin> gizmo_plugin = Ref<CSGShape3DGizmoPlugin>(memnew(CSGShape3DGizmoPlugin));
|
|
Node3DEditor::get_singleton()->add_gizmo_plugin(gizmo_plugin);
|
|
|
|
csg_shape_editor = memnew(CSGShapeEditor);
|
|
EditorNode::get_singleton()->get_main_screen_control()->add_child(csg_shape_editor);
|
|
}
|
|
|
|
#endif // TOOLS_ENABLED
|