/**************************************************************************/ /* mesh_instance_3d_editor_plugin.cpp */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ /* */ /* 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 "mesh_instance_3d_editor_plugin.h" #include "editor/editor_node.h" #include "editor/editor_scale.h" #include "editor/editor_undo_redo_manager.h" #include "node_3d_editor_plugin.h" #include "scene/3d/collision_shape_3d.h" #include "scene/3d/navigation_region_3d.h" #include "scene/3d/physics_body_3d.h" #include "scene/gui/box_container.h" #include "scene/gui/menu_button.h" #include "scene/resources/concave_polygon_shape_3d.h" #include "scene/resources/convex_polygon_shape_3d.h" #include "scene/scene_string_names.h" void MeshInstance3DEditor::_node_removed(Node *p_node) { if (p_node == node) { node = nullptr; options->hide(); } } void MeshInstance3DEditor::edit(MeshInstance3D *p_mesh) { node = p_mesh; } void MeshInstance3DEditor::_menu_option(int p_option) { Ref mesh = node->get_mesh(); if (mesh.is_null()) { err_dialog->set_text(TTR("Mesh is empty!")); err_dialog->popup_centered(); return; } switch (p_option) { case MENU_OPTION_CREATE_STATIC_TRIMESH_BODY: { EditorSelection *editor_selection = EditorNode::get_singleton()->get_editor_selection(); EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton(); List selection = editor_selection->get_selected_node_list(); if (selection.is_empty()) { Ref shape = mesh->create_trimesh_shape(); if (shape.is_null()) { err_dialog->set_text(TTR("Couldn't create a Trimesh collision shape.")); err_dialog->popup_centered(); return; } CollisionShape3D *cshape = memnew(CollisionShape3D); cshape->set_shape(shape); StaticBody3D *body = memnew(StaticBody3D); body->add_child(cshape, true); Node *owner = get_tree()->get_edited_scene_root(); ur->create_action(TTR("Create Static Trimesh Body")); ur->add_do_method(node, "add_child", body, true); ur->add_do_method(body, "set_owner", owner); ur->add_do_method(cshape, "set_owner", owner); ur->add_do_method(Node3DEditor::get_singleton(), SceneStringNames::get_singleton()->_request_gizmo, body); ur->add_do_method(Node3DEditor::get_singleton(), SceneStringNames::get_singleton()->_request_gizmo, cshape); ur->add_do_reference(body); ur->add_undo_method(node, "remove_child", body); ur->commit_action(); return; } ur->create_action(TTR("Create Static Trimesh Body")); for (Node *E : selection) { MeshInstance3D *instance = Object::cast_to(E); if (!instance) { continue; } Ref m = instance->get_mesh(); if (m.is_null()) { continue; } Ref shape = m->create_trimesh_shape(); if (shape.is_null()) { continue; } CollisionShape3D *cshape = memnew(CollisionShape3D); cshape->set_shape(shape); StaticBody3D *body = memnew(StaticBody3D); body->add_child(cshape, true); Node *owner = get_tree()->get_edited_scene_root(); ur->add_do_method(instance, "add_child", body, true); ur->add_do_method(body, "set_owner", owner); ur->add_do_method(cshape, "set_owner", owner); ur->add_do_method(Node3DEditor::get_singleton(), SceneStringNames::get_singleton()->_request_gizmo, body); ur->add_do_method(Node3DEditor::get_singleton(), SceneStringNames::get_singleton()->_request_gizmo, cshape); ur->add_do_reference(body); ur->add_undo_method(instance, "remove_child", body); } ur->commit_action(); } break; case MENU_OPTION_CREATE_TRIMESH_COLLISION_SHAPE: { if (node == get_tree()->get_edited_scene_root()) { err_dialog->set_text(TTR("This doesn't work on scene root!")); err_dialog->popup_centered(); return; } Ref shape = mesh->create_trimesh_shape(); if (shape.is_null()) { return; } CollisionShape3D *cshape = memnew(CollisionShape3D); cshape->set_shape(shape); cshape->set_transform(node->get_transform()); Node *owner = get_tree()->get_edited_scene_root(); EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton(); ur->create_action(TTR("Create Trimesh Static Shape")); ur->add_do_method(node->get_parent(), "add_child", cshape, true); ur->add_do_method(node->get_parent(), "move_child", cshape, node->get_index() + 1); ur->add_do_method(cshape, "set_owner", owner); ur->add_do_method(Node3DEditor::get_singleton(), SceneStringNames::get_singleton()->_request_gizmo, cshape); ur->add_do_reference(cshape); ur->add_undo_method(node->get_parent(), "remove_child", cshape); ur->commit_action(); } break; case MENU_OPTION_CREATE_SINGLE_CONVEX_COLLISION_SHAPE: case MENU_OPTION_CREATE_SIMPLIFIED_CONVEX_COLLISION_SHAPE: { if (node == get_tree()->get_edited_scene_root()) { err_dialog->set_text(TTR("Can't create a single convex collision shape for the scene root.")); err_dialog->popup_centered(); return; } bool simplify = (p_option == MENU_OPTION_CREATE_SIMPLIFIED_CONVEX_COLLISION_SHAPE); Ref shape = mesh->create_convex_shape(true, simplify); if (shape.is_null()) { err_dialog->set_text(TTR("Couldn't create a single convex collision shape.")); err_dialog->popup_centered(); return; } EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton(); if (simplify) { ur->create_action(TTR("Create Simplified Convex Shape")); } else { ur->create_action(TTR("Create Single Convex Shape")); } CollisionShape3D *cshape = memnew(CollisionShape3D); cshape->set_shape(shape); cshape->set_transform(node->get_transform()); Node *owner = get_tree()->get_edited_scene_root(); ur->add_do_method(node->get_parent(), "add_child", cshape, true); ur->add_do_method(node->get_parent(), "move_child", cshape, node->get_index() + 1); ur->add_do_method(cshape, "set_owner", owner); ur->add_do_method(Node3DEditor::get_singleton(), SceneStringNames::get_singleton()->_request_gizmo, cshape); ur->add_do_reference(cshape); ur->add_undo_method(node->get_parent(), "remove_child", cshape); ur->commit_action(); } break; case MENU_OPTION_CREATE_MULTIPLE_CONVEX_COLLISION_SHAPES: { if (node == get_tree()->get_edited_scene_root()) { err_dialog->set_text(TTR("Can't create multiple convex collision shapes for the scene root.")); err_dialog->popup_centered(); return; } Ref settings = Ref(); settings.instantiate(); settings->set_max_convex_hulls(32); settings->set_max_concavity(0.001); Vector> shapes = mesh->convex_decompose(settings); if (!shapes.size()) { err_dialog->set_text(TTR("Couldn't create any collision shapes.")); err_dialog->popup_centered(); return; } EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton(); ur->create_action(TTR("Create Multiple Convex Shapes")); for (int i = 0; i < shapes.size(); i++) { CollisionShape3D *cshape = memnew(CollisionShape3D); cshape->set_name("CollisionShape3D"); cshape->set_shape(shapes[i]); cshape->set_transform(node->get_transform()); Node *owner = get_tree()->get_edited_scene_root(); ur->add_do_method(node->get_parent(), "add_child", cshape); ur->add_do_method(node->get_parent(), "move_child", cshape, node->get_index() + 1); ur->add_do_method(cshape, "set_owner", owner); ur->add_do_method(Node3DEditor::get_singleton(), SceneStringNames::get_singleton()->_request_gizmo, cshape); ur->add_do_reference(cshape); ur->add_undo_method(node->get_parent(), "remove_child", cshape); } ur->commit_action(); } break; case MENU_OPTION_CREATE_NAVMESH: { Ref nmesh = memnew(NavigationMesh); if (nmesh.is_null()) { return; } nmesh->create_from_mesh(mesh); NavigationRegion3D *nmi = memnew(NavigationRegion3D); nmi->set_navigation_mesh(nmesh); Node *owner = get_tree()->get_edited_scene_root(); EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton(); ur->create_action(TTR("Create Navigation Mesh")); ur->add_do_method(node, "add_child", nmi, true); ur->add_do_method(nmi, "set_owner", owner); ur->add_do_method(Node3DEditor::get_singleton(), SceneStringNames::get_singleton()->_request_gizmo, nmi); ur->add_do_reference(nmi); ur->add_undo_method(node, "remove_child", nmi); ur->commit_action(); } break; case MENU_OPTION_CREATE_OUTLINE_MESH: { outline_dialog->popup_centered(Vector2(200, 90)); } break; case MENU_OPTION_CREATE_DEBUG_TANGENTS: { EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton(); ur->create_action(TTR("Create Debug Tangents")); MeshInstance3D *tangents = node->create_debug_tangents_node(); if (tangents) { Node *owner = get_tree()->get_edited_scene_root(); ur->add_do_reference(tangents); ur->add_do_method(node, "add_child", tangents, true); ur->add_do_method(tangents, "set_owner", owner); ur->add_undo_method(node, "remove_child", tangents); } ur->commit_action(); } break; case MENU_OPTION_CREATE_UV2: { Ref mesh2 = node->get_mesh(); if (!mesh2.is_valid()) { err_dialog->set_text(TTR("Contained Mesh is not of type ArrayMesh.")); err_dialog->popup_centered(); return; } String path = mesh2->get_path(); int srpos = path.find("::"); if (srpos != -1) { String base = path.substr(0, srpos); if (ResourceLoader::get_resource_type(base) == "PackedScene") { if (!get_tree()->get_edited_scene_root() || get_tree()->get_edited_scene_root()->get_scene_file_path() != base) { err_dialog->set_text(TTR("Mesh cannot unwrap UVs because it does not belong to the edited scene. Make it unique first.")); err_dialog->popup_centered(); return; } } else { if (FileAccess::exists(path + ".import")) { err_dialog->set_text(TTR("Mesh cannot unwrap UVs because it belongs to another resource which was imported from another file type. Make it unique first.")); err_dialog->popup_centered(); return; } } } else { if (FileAccess::exists(path + ".import")) { err_dialog->set_text(TTR("Mesh cannot unwrap UVs because it was imported from another file type. Make it unique first.")); err_dialog->popup_centered(); return; } } Ref unwrapped_mesh = mesh2->duplicate(false); Error err = unwrapped_mesh->lightmap_unwrap(node->get_global_transform()); if (err != OK) { err_dialog->set_text(TTR("UV Unwrap failed, mesh may not be manifold?")); err_dialog->popup_centered(); return; } EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton(); ur->create_action(TTR("Unwrap UV2")); ur->add_do_method(node, "set_mesh", unwrapped_mesh); ur->add_do_reference(node); ur->add_do_reference(mesh2.ptr()); ur->add_undo_method(node, "set_mesh", mesh2); ur->add_undo_reference(unwrapped_mesh.ptr()); ur->commit_action(); } break; case MENU_OPTION_DEBUG_UV1: { Ref mesh2 = node->get_mesh(); if (!mesh2.is_valid()) { err_dialog->set_text(TTR("No mesh to debug.")); err_dialog->popup_centered(); return; } _create_uv_lines(0); } break; case MENU_OPTION_DEBUG_UV2: { Ref mesh2 = node->get_mesh(); if (!mesh2.is_valid()) { err_dialog->set_text(TTR("No mesh to debug.")); err_dialog->popup_centered(); return; } _create_uv_lines(1); } break; } } struct MeshInstance3DEditorEdgeSort { Vector2 a; Vector2 b; static uint32_t hash(const MeshInstance3DEditorEdgeSort &p_edge) { uint32_t h = hash_murmur3_one_32(HashMapHasherDefault::hash(p_edge.a)); return hash_fmix32(hash_murmur3_one_32(HashMapHasherDefault::hash(p_edge.b), h)); } bool operator==(const MeshInstance3DEditorEdgeSort &p_b) const { return a == p_b.a && b == p_b.b; } MeshInstance3DEditorEdgeSort() {} MeshInstance3DEditorEdgeSort(const Vector2 &p_a, const Vector2 &p_b) { if (p_a < p_b) { a = p_a; b = p_b; } else { b = p_a; a = p_b; } } }; void MeshInstance3DEditor::_create_uv_lines(int p_layer) { Ref mesh = node->get_mesh(); ERR_FAIL_COND(!mesh.is_valid()); HashSet edges; uv_lines.clear(); for (int i = 0; i < mesh->get_surface_count(); i++) { if (mesh->surface_get_primitive_type(i) != Mesh::PRIMITIVE_TRIANGLES) { continue; } Array a = mesh->surface_get_arrays(i); Vector uv = a[p_layer == 0 ? Mesh::ARRAY_TEX_UV : Mesh::ARRAY_TEX_UV2]; if (uv.size() == 0) { err_dialog->set_text(vformat(TTR("Mesh has no UV in layer %d."), p_layer + 1)); err_dialog->popup_centered(); return; } const Vector2 *r = uv.ptr(); Vector indices = a[Mesh::ARRAY_INDEX]; const int *ri = nullptr; int ic; if (indices.size()) { ic = indices.size(); ri = indices.ptr(); } else { ic = uv.size(); } for (int j = 0; j < ic; j += 3) { for (int k = 0; k < 3; k++) { MeshInstance3DEditorEdgeSort edge; if (ri) { edge.a = r[ri[j + k]]; edge.b = r[ri[j + ((k + 1) % 3)]]; } else { edge.a = r[j + k]; edge.b = r[j + ((k + 1) % 3)]; } if (edges.has(edge)) { continue; } uv_lines.push_back(edge.a); uv_lines.push_back(edge.b); edges.insert(edge); } } } debug_uv_dialog->popup_centered(); } void MeshInstance3DEditor::_debug_uv_draw() { if (uv_lines.size() == 0) { return; } debug_uv->set_clip_contents(true); debug_uv->draw_rect(Rect2(Vector2(), debug_uv->get_size()), get_theme_color(SNAME("dark_color_3"), SNAME("Editor"))); debug_uv->draw_set_transform(Vector2(), 0, debug_uv->get_size()); // Use a translucent color to allow overlapping triangles to be visible. debug_uv->draw_multiline(uv_lines, get_theme_color(SNAME("mono_color"), SNAME("Editor")) * Color(1, 1, 1, 0.5)); } void MeshInstance3DEditor::_create_outline_mesh() { Ref mesh = node->get_mesh(); if (mesh.is_null()) { err_dialog->set_text(TTR("MeshInstance3D lacks a Mesh.")); err_dialog->popup_centered(); return; } if (mesh->get_surface_count() == 0) { err_dialog->set_text(TTR("Mesh has no surface to create outlines from.")); err_dialog->popup_centered(); return; } else if (mesh->get_surface_count() == 1 && mesh->surface_get_primitive_type(0) != Mesh::PRIMITIVE_TRIANGLES) { err_dialog->set_text(TTR("Mesh primitive type is not PRIMITIVE_TRIANGLES.")); err_dialog->popup_centered(); return; } Ref mesho = mesh->create_outline(outline_size->get_value()); if (mesho.is_null()) { err_dialog->set_text(TTR("Could not create outline.")); err_dialog->popup_centered(); return; } MeshInstance3D *mi = memnew(MeshInstance3D); mi->set_mesh(mesho); Node *owner = get_tree()->get_edited_scene_root(); EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton(); ur->create_action(TTR("Create Outline")); ur->add_do_method(node, "add_child", mi, true); ur->add_do_method(mi, "set_owner", owner); ur->add_do_method(Node3DEditor::get_singleton(), SceneStringNames::get_singleton()->_request_gizmo, mi); ur->add_do_reference(mi); ur->add_undo_method(node, "remove_child", mi); ur->commit_action(); } void MeshInstance3DEditor::_bind_methods() { } MeshInstance3DEditor::MeshInstance3DEditor() { options = memnew(MenuButton); options->set_switch_on_hover(true); Node3DEditor::get_singleton()->add_control_to_menu_panel(options); options->set_text(TTR("Mesh")); options->set_icon(EditorNode::get_singleton()->get_gui_base()->get_theme_icon(SNAME("MeshInstance3D"), SNAME("EditorIcons"))); options->get_popup()->add_item(TTR("Create Trimesh Static Body"), MENU_OPTION_CREATE_STATIC_TRIMESH_BODY); options->get_popup()->set_item_tooltip(-1, TTR("Creates a StaticBody3D and assigns a polygon-based collision shape to it automatically.\nThis is the most accurate (but slowest) option for collision detection.")); options->get_popup()->add_separator(); options->get_popup()->add_item(TTR("Create Trimesh Collision Sibling"), MENU_OPTION_CREATE_TRIMESH_COLLISION_SHAPE); options->get_popup()->set_item_tooltip(-1, TTR("Creates a polygon-based collision shape.\nThis is the most accurate (but slowest) option for collision detection.")); options->get_popup()->add_item(TTR("Create Single Convex Collision Sibling"), MENU_OPTION_CREATE_SINGLE_CONVEX_COLLISION_SHAPE); options->get_popup()->set_item_tooltip(-1, TTR("Creates a single convex collision shape.\nThis is the fastest (but least accurate) option for collision detection.")); options->get_popup()->add_item(TTR("Create Simplified Convex Collision Sibling"), MENU_OPTION_CREATE_SIMPLIFIED_CONVEX_COLLISION_SHAPE); options->get_popup()->set_item_tooltip(-1, TTR("Creates a simplified convex collision shape.\nThis is similar to single collision shape, but can result in a simpler geometry in some cases, at the cost of accuracy.")); options->get_popup()->add_item(TTR("Create Multiple Convex Collision Siblings"), MENU_OPTION_CREATE_MULTIPLE_CONVEX_COLLISION_SHAPES); options->get_popup()->set_item_tooltip(-1, TTR("Creates a polygon-based collision shape.\nThis is a performance middle-ground between a single convex collision and a polygon-based collision.")); options->get_popup()->add_separator(); options->get_popup()->add_item(TTR("Create Navigation Mesh"), MENU_OPTION_CREATE_NAVMESH); options->get_popup()->add_separator(); options->get_popup()->add_item(TTR("Create Outline Mesh..."), MENU_OPTION_CREATE_OUTLINE_MESH); options->get_popup()->set_item_tooltip(options->get_popup()->get_item_count() - 1, TTR("Creates a static outline mesh. The outline mesh will have its normals flipped automatically.\nThis can be used instead of the StandardMaterial Grow property when using that property isn't possible.")); options->get_popup()->add_item(TTR("Create Debug Tangents"), MENU_OPTION_CREATE_DEBUG_TANGENTS); options->get_popup()->add_separator(); options->get_popup()->add_item(TTR("View UV1"), MENU_OPTION_DEBUG_UV1); options->get_popup()->add_item(TTR("View UV2"), MENU_OPTION_DEBUG_UV2); options->get_popup()->add_item(TTR("Unwrap UV2 for Lightmap/AO"), MENU_OPTION_CREATE_UV2); options->get_popup()->connect("id_pressed", callable_mp(this, &MeshInstance3DEditor::_menu_option)); outline_dialog = memnew(ConfirmationDialog); outline_dialog->set_title(TTR("Create Outline Mesh")); outline_dialog->set_ok_button_text(TTR("Create")); VBoxContainer *outline_dialog_vbc = memnew(VBoxContainer); outline_dialog->add_child(outline_dialog_vbc); //outline_dialog->set_child_rect(outline_dialog_vbc); outline_size = memnew(SpinBox); outline_size->set_min(0.001); outline_size->set_max(1024); outline_size->set_step(0.001); outline_size->set_value(0.05); outline_dialog_vbc->add_margin_child(TTR("Outline Size:"), outline_size); add_child(outline_dialog); outline_dialog->connect("confirmed", callable_mp(this, &MeshInstance3DEditor::_create_outline_mesh)); err_dialog = memnew(AcceptDialog); add_child(err_dialog); debug_uv_dialog = memnew(AcceptDialog); debug_uv_dialog->set_title(TTR("UV Channel Debug")); add_child(debug_uv_dialog); debug_uv = memnew(Control); debug_uv->set_custom_minimum_size(Size2(600, 600) * EDSCALE); debug_uv->connect("draw", callable_mp(this, &MeshInstance3DEditor::_debug_uv_draw)); debug_uv_dialog->add_child(debug_uv); } void MeshInstance3DEditorPlugin::edit(Object *p_object) { mesh_editor->edit(Object::cast_to(p_object)); } bool MeshInstance3DEditorPlugin::handles(Object *p_object) const { return p_object->is_class("MeshInstance3D"); } void MeshInstance3DEditorPlugin::make_visible(bool p_visible) { if (p_visible) { mesh_editor->options->show(); } else { mesh_editor->options->hide(); mesh_editor->edit(nullptr); } } MeshInstance3DEditorPlugin::MeshInstance3DEditorPlugin() { mesh_editor = memnew(MeshInstance3DEditor); EditorNode::get_singleton()->get_main_screen_control()->add_child(mesh_editor); mesh_editor->options->hide(); } MeshInstance3DEditorPlugin::~MeshInstance3DEditorPlugin() { }