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godot/editor/plugins/mesh_library_editor_plugin.cpp

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/*************************************************************************/
/* mesh_library_editor_plugin.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 "mesh_library_editor_plugin.h"
#include "editor/editor_node.h"
#include "editor/editor_settings.h"
#include "main/main.h"
#include "scene/3d/mesh_instance.h"
#include "scene/3d/navigation_mesh_instance.h"
#include "scene/3d/physics_body.h"
#include "scene/main/viewport.h"
#include "scene/resources/packed_scene.h"
#include "spatial_editor_plugin.h"
void MeshLibraryEditor::edit(const Ref<MeshLibrary> &p_mesh_library) {
mesh_library = p_mesh_library;
if (mesh_library.is_valid()) {
menu->get_popup()->set_item_disabled(menu->get_popup()->get_item_index(MENU_OPTION_UPDATE_FROM_SCENE), !mesh_library->has_meta("_editor_source_scene"));
}
}
void MeshLibraryEditor::_menu_remove_confirm() {
switch (option) {
case MENU_OPTION_REMOVE_ITEM: {
mesh_library->remove_item(to_erase);
} break;
default: {
};
}
}
void MeshLibraryEditor::_menu_update_confirm(bool p_apply_xforms) {
cd_update->hide();
apply_xforms = p_apply_xforms;
String existing = mesh_library->get_meta("_editor_source_scene");
ERR_FAIL_COND(existing == "");
_import_scene_cbk(existing);
}
void MeshLibraryEditor::_import_scene(Node *p_scene, Ref<MeshLibrary> p_library, bool p_merge, bool p_apply_xforms) {
if (!p_merge) {
p_library->clear();
}
Map<int, MeshInstance *> mesh_instances;
for (int i = 0; i < p_scene->get_child_count(); i++) {
Node *child = p_scene->get_child(i);
if (!Object::cast_to<MeshInstance>(child)) {
if (child->get_child_count() > 0) {
child = child->get_child(0);
if (!Object::cast_to<MeshInstance>(child)) {
continue;
}
} else {
continue;
}
}
MeshInstance *mi = Object::cast_to<MeshInstance>(child);
Ref<Mesh> mesh = mi->get_mesh();
if (mesh.is_null()) {
continue;
}
mesh = mesh->duplicate();
for (int j = 0; j < mesh->get_surface_count(); ++j) {
Ref<Material> mat = mi->get_surface_material(j);
if (mat.is_valid()) {
mesh->surface_set_material(j, mat);
}
}
int id = p_library->find_item_by_name(mi->get_name());
if (id < 0) {
id = p_library->get_last_unused_item_id();
p_library->create_item(id);
p_library->set_item_name(id, mi->get_name());
}
p_library->set_item_mesh(id, mesh);
if (p_apply_xforms) {
p_library->set_item_mesh_transform(id, mi->get_transform());
} else {
p_library->set_item_mesh_transform(id, Transform());
}
mesh_instances[id] = mi;
Vector<MeshLibrary::ShapeData> collisions;
for (int j = 0; j < mi->get_child_count(); j++) {
Node *child2 = mi->get_child(j);
if (!Object::cast_to<StaticBody>(child2)) {
continue;
}
StaticBody *sb = Object::cast_to<StaticBody>(child2);
List<uint32_t> shapes;
sb->get_shape_owners(&shapes);
for (List<uint32_t>::Element *E = shapes.front(); E; E = E->next()) {
if (sb->is_shape_owner_disabled(E->get())) {
continue;
}
Transform shape_transform;
if (p_apply_xforms) {
shape_transform = mi->get_transform();
}
shape_transform *= sb->get_transform() * sb->shape_owner_get_transform(E->get());
for (int k = 0; k < sb->shape_owner_get_shape_count(E->get()); k++) {
Ref<Shape> collision = sb->shape_owner_get_shape(E->get(), k);
if (!collision.is_valid()) {
continue;
}
MeshLibrary::ShapeData shape_data;
shape_data.shape = collision;
shape_data.local_transform = shape_transform;
collisions.push_back(shape_data);
}
}
}
p_library->set_item_shapes(id, collisions);
Ref<NavigationMesh> navmesh;
Transform navmesh_transform;
for (int j = 0; j < mi->get_child_count(); j++) {
Node *child2 = mi->get_child(j);
if (!Object::cast_to<NavigationMeshInstance>(child2)) {
continue;
}
NavigationMeshInstance *sb = Object::cast_to<NavigationMeshInstance>(child2);
navmesh = sb->get_navigation_mesh();
navmesh_transform = sb->get_transform();
if (!navmesh.is_null()) {
break;
}
}
if (!navmesh.is_null()) {
p_library->set_item_navmesh(id, navmesh);
p_library->set_item_navmesh_transform(id, navmesh_transform);
}
}
//generate previews!
if (true) {
Vector<Ref<Mesh>> meshes;
Vector<Transform> transforms;
Vector<int> ids = p_library->get_item_list();
for (int i = 0; i < ids.size(); i++) {
if (mesh_instances.find(ids[i])) {
meshes.push_back(p_library->get_item_mesh(ids[i]));
transforms.push_back(mesh_instances[ids[i]]->get_transform());
}
}
Vector<Ref<Texture>> textures = EditorInterface::get_singleton()->make_mesh_previews(meshes, &transforms, EditorSettings::get_singleton()->get("editors/grid_map/preview_size"));
int j = 0;
for (int i = 0; i < ids.size(); i++) {
if (mesh_instances.find(ids[i])) {
p_library->set_item_preview(ids[i], textures[j]);
j++;
}
}
}
}
void MeshLibraryEditor::_import_scene_cbk(const String &p_str) {
Ref<PackedScene> ps = ResourceLoader::load(p_str, "PackedScene");
ERR_FAIL_COND(ps.is_null());
Node *scene = ps->instance();
ERR_FAIL_COND_MSG(!scene, "Cannot create an instance from PackedScene '" + p_str + "'.");
_import_scene(scene, mesh_library, option == MENU_OPTION_UPDATE_FROM_SCENE, apply_xforms);
memdelete(scene);
mesh_library->set_meta("_editor_source_scene", p_str);
menu->get_popup()->set_item_disabled(menu->get_popup()->get_item_index(MENU_OPTION_UPDATE_FROM_SCENE), false);
}
Error MeshLibraryEditor::update_library_file(Node *p_base_scene, Ref<MeshLibrary> ml, bool p_merge, bool p_apply_xforms) {
_import_scene(p_base_scene, ml, p_merge, p_apply_xforms);
return OK;
}
void MeshLibraryEditor::_menu_cbk(int p_option) {
option = p_option;
switch (p_option) {
case MENU_OPTION_ADD_ITEM: {
mesh_library->create_item(mesh_library->get_last_unused_item_id());
} break;
case MENU_OPTION_REMOVE_ITEM: {
String p = editor->get_inspector()->get_selected_path();
if (p.begins_with("/MeshLibrary/item") && p.get_slice_count("/") >= 3) {
to_erase = p.get_slice("/", 3).to_int();
cd_remove->set_text(vformat(TTR("Remove item %d?"), to_erase));
cd_remove->popup_centered(Size2(300, 60));
}
} break;
case MENU_OPTION_IMPORT_FROM_SCENE: {
apply_xforms = false;
file->popup_centered_ratio();
} break;
case MENU_OPTION_IMPORT_FROM_SCENE_APPLY_XFORMS: {
apply_xforms = true;
file->popup_centered_ratio();
} break;
case MENU_OPTION_UPDATE_FROM_SCENE: {
cd_update->set_text(vformat(TTR("Update from existing scene?:\n%s"), String(mesh_library->get_meta("_editor_source_scene"))));
cd_update->popup_centered(Size2(500, 60));
} break;
}
}
void MeshLibraryEditor::_bind_methods() {
ClassDB::bind_method("_menu_cbk", &MeshLibraryEditor::_menu_cbk);
ClassDB::bind_method("_menu_remove_confirm", &MeshLibraryEditor::_menu_remove_confirm);
ClassDB::bind_method("_menu_update_confirm", &MeshLibraryEditor::_menu_update_confirm);
ClassDB::bind_method("_import_scene_cbk", &MeshLibraryEditor::_import_scene_cbk);
}
MeshLibraryEditor::MeshLibraryEditor(EditorNode *p_editor) {
file = memnew(EditorFileDialog);
file->set_mode(EditorFileDialog::MODE_OPEN_FILE);
//not for now?
List<String> extensions;
ResourceLoader::get_recognized_extensions_for_type("PackedScene", &extensions);
file->clear_filters();
file->set_title(TTR("Import Scene"));
for (int i = 0; i < extensions.size(); i++) {
file->add_filter("*." + extensions[i] + " ; " + extensions[i].to_upper());
}
add_child(file);
file->connect("file_selected", this, "_import_scene_cbk");
menu = memnew(MenuButton);
SpatialEditor::get_singleton()->add_control_to_menu_panel(menu);
menu->set_position(Point2(1, 1));
menu->set_text(TTR("Mesh Library"));
menu->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("MeshLibrary", "EditorIcons"));
menu->get_popup()->add_item(TTR("Add Item"), MENU_OPTION_ADD_ITEM);
menu->get_popup()->add_item(TTR("Remove Selected Item"), MENU_OPTION_REMOVE_ITEM);
menu->get_popup()->add_separator();
menu->get_popup()->add_item(TTR("Import from Scene (Ignore Transforms)"), MENU_OPTION_IMPORT_FROM_SCENE);
menu->get_popup()->add_item(TTR("Import from Scene (Apply Transforms)"), MENU_OPTION_IMPORT_FROM_SCENE_APPLY_XFORMS);
menu->get_popup()->add_item(TTR("Update from Scene"), MENU_OPTION_UPDATE_FROM_SCENE);
menu->get_popup()->set_item_disabled(menu->get_popup()->get_item_index(MENU_OPTION_UPDATE_FROM_SCENE), true);
menu->get_popup()->connect("id_pressed", this, "_menu_cbk");
menu->hide();
editor = p_editor;
cd_remove = memnew(ConfirmationDialog);
add_child(cd_remove);
cd_remove->get_ok()->connect("pressed", this, "_menu_remove_confirm");
cd_update = memnew(ConfirmationDialog);
add_child(cd_update);
cd_update->get_ok()->set_text(TTR("Apply without Transforms"));
cd_update->get_ok()->connect("pressed", this, "_menu_update_confirm", varray(false));
cd_update->add_button(TTR("Apply with Transforms"))->connect("pressed", this, "_menu_update_confirm", varray(true));
}
void MeshLibraryEditorPlugin::edit(Object *p_node) {
if (Object::cast_to<MeshLibrary>(p_node)) {
mesh_library_editor->edit(Object::cast_to<MeshLibrary>(p_node));
mesh_library_editor->show();
} else {
mesh_library_editor->hide();
}
}
bool MeshLibraryEditorPlugin::handles(Object *p_node) const {
return p_node->is_class("MeshLibrary");
}
void MeshLibraryEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
mesh_library_editor->show();
mesh_library_editor->get_menu_button()->show();
} else {
mesh_library_editor->hide();
mesh_library_editor->get_menu_button()->hide();
}
}
MeshLibraryEditorPlugin::MeshLibraryEditorPlugin(EditorNode *p_node) {
EDITOR_DEF("editors/grid_map/preview_size", 64);
mesh_library_editor = memnew(MeshLibraryEditor(p_node));
p_node->get_viewport()->add_child(mesh_library_editor);
mesh_library_editor->set_anchors_and_margins_preset(Control::PRESET_TOP_WIDE);
mesh_library_editor->set_end(Point2(0, 22));
mesh_library_editor->hide();
}
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