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editor_resource_picker.cpp
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/*************************************************************************/
/* editor_resource_picker.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 "editor_resource_picker.h"
#include "editor/audio_stream_preview.h"
#include "editor/editor_file_dialog.h"
#include "editor/editor_node.h"
#include "editor/editor_quick_open.h"
#include "editor/editor_resource_preview.h"
#include "editor/editor_scale.h"
#include "editor/editor_settings.h"
#include "editor/filesystem_dock.h"
#include "editor/plugins/editor_resource_conversion_plugin.h"
#include "editor/plugins/script_editor_plugin.h"
#include "editor/scene_tree_dock.h"
HashMap<StringName, List<StringName>> EditorResourcePicker::allowed_types_cache;
void EditorResourcePicker::clear_caches() {
allowed_types_cache.clear();
}
void EditorResourcePicker::_update_resource() {
String resource_path;
if (edited_resource.is_valid() && edited_resource->get_path().is_resource_file()) {
resource_path = edited_resource->get_path() + "\n";
}
String class_name = _get_resource_type(edited_resource);
if (preview_rect) {
preview_rect->set_texture(Ref<Texture2D>());
assign_button->set_custom_minimum_size(assign_button_min_size);
if (edited_resource == Ref<Resource>()) {
assign_button->set_icon(Ref<Texture2D>());
assign_button->set_text(TTR("<empty>"));
assign_button->set_tooltip_text("");
} else {
assign_button->set_icon(EditorNode::get_singleton()->get_object_icon(edited_resource.operator->(), SNAME("Object")));
if (!edited_resource->get_name().is_empty()) {
assign_button->set_text(edited_resource->get_name());
} else if (edited_resource->get_path().is_resource_file()) {
assign_button->set_text(edited_resource->get_path().get_file());
} else {
assign_button->set_text(class_name);
}
if (edited_resource->get_path().is_resource_file()) {
resource_path = edited_resource->get_path() + "\n";
}
assign_button->set_tooltip_text(resource_path + TTR("Type:") + " " + class_name);
// Preview will override the above, so called at the end.
EditorResourcePreview::get_singleton()->queue_edited_resource_preview(edited_resource, this, "_update_resource_preview", edited_resource->get_instance_id());
}
} else if (edited_resource.is_valid()) {
assign_button->set_tooltip_text(resource_path + TTR("Type:") + " " + edited_resource->get_class());
}
assign_button->set_disabled(!editable && !edited_resource.is_valid());
}
void EditorResourcePicker::_update_resource_preview(const String &p_path, const Ref<Texture2D> &p_preview, const Ref<Texture2D> &p_small_preview, ObjectID p_obj) {
if (!edited_resource.is_valid() || edited_resource->get_instance_id() != p_obj) {
return;
}
if (preview_rect) {
Ref<Script> scr = edited_resource;
if (scr.is_valid()) {
assign_button->set_text(scr->get_path().get_file());
return;
}
if (p_preview.is_valid()) {
preview_rect->set_offset(SIDE_LEFT, assign_button->get_icon()->get_width() + assign_button->get_theme_stylebox(SNAME("normal"))->get_default_margin(SIDE_LEFT) + get_theme_constant(SNAME("h_separation"), SNAME("Button")));
// Resource-specific stretching.
if (Ref<GradientTexture1D>(edited_resource).is_valid() || Ref<Gradient>(edited_resource).is_valid()) {
preview_rect->set_stretch_mode(TextureRect::STRETCH_SCALE);
assign_button->set_custom_minimum_size(assign_button_min_size);
} else {
preview_rect->set_stretch_mode(TextureRect::STRETCH_KEEP_ASPECT_CENTERED);
int thumbnail_size = EDITOR_GET("filesystem/file_dialog/thumbnail_size");
thumbnail_size *= EDSCALE;
assign_button->set_custom_minimum_size(Size2(MAX(1, assign_button_min_size.x), MAX(thumbnail_size, assign_button_min_size.y)));
}
preview_rect->set_texture(p_preview);
assign_button->set_text("");
}
}
}
void EditorResourcePicker::_resource_selected() {
if (edited_resource.is_null()) {
edit_button->set_pressed(true);
_update_menu();
return;
}
emit_signal(SNAME("resource_selected"), edited_resource, false);
}
void EditorResourcePicker::_file_selected(const String &p_path) {
Ref<Resource> loaded_resource = ResourceLoader::load(p_path);
ERR_FAIL_COND_MSG(loaded_resource.is_null(), "Cannot load resource from path '" + p_path + "'.");
if (!base_type.is_empty()) {
bool any_type_matches = false;
String res_type = loaded_resource->get_class();
Ref<Script> res_script = loaded_resource->get_script();
bool is_global_class = false;
if (res_script.is_valid()) {
String script_type = EditorNode::get_editor_data().script_class_get_name(res_script->get_path());
if (!script_type.is_empty()) {
is_global_class = true;
res_type = script_type;
}
}
for (int i = 0; i < base_type.get_slice_count(","); i++) {
String base = base_type.get_slice(",", i);
any_type_matches = is_global_class ? EditorNode::get_editor_data().script_class_is_parent(res_type, base) : loaded_resource->is_class(base);
if (any_type_matches) {
break;
}
}
if (!any_type_matches) {
EditorNode::get_singleton()->show_warning(vformat(TTR("The selected resource (%s) does not match any type expected for this property (%s)."), res_type, base_type));
return;
}
}
edited_resource = loaded_resource;
emit_signal(SNAME("resource_changed"), edited_resource);
_update_resource();
}
void EditorResourcePicker::_file_quick_selected() {
_file_selected(quick_open->get_selected());
}
void EditorResourcePicker::_update_menu() {
_update_menu_items();
Rect2 gt = edit_button->get_screen_rect();
edit_menu->reset_size();
int ms = edit_menu->get_contents_minimum_size().width;
Vector2 popup_pos = gt.get_end() - Vector2(ms, 0);
edit_menu->set_position(popup_pos);
edit_menu->popup();
}
void EditorResourcePicker::_update_menu_items() {
_ensure_resource_menu();
edit_menu->clear();
// Add options for creating specific subtypes of the base resource type.
if (is_editable()) {
set_create_options(edit_menu);
// Add an option to load a resource from a file using the QuickOpen dialog.
edit_menu->add_icon_item(get_theme_icon(SNAME("Load"), SNAME("EditorIcons")), TTR("Quick Load"), OBJ_MENU_QUICKLOAD);
// Add an option to load a resource from a file using the regular file dialog.
edit_menu->add_icon_item(get_theme_icon(SNAME("Load"), SNAME("EditorIcons")), TTR("Load"), OBJ_MENU_LOAD);
}
// Add options for changing existing value of the resource.
if (edited_resource.is_valid()) {
// Determine if the edited resource is part of another scene (foreign) which was imported
bool is_edited_resource_foreign_import = EditorNode::get_singleton()->is_resource_read_only(edited_resource, true);
// If the resource is determined to be foreign and imported, change the menu entry's description to 'inspect' rather than 'edit'
// since will only be able to view its properties in read-only mode.
if (is_edited_resource_foreign_import) {
// The 'Search' icon is a magnifying glass, which seems appropriate, but maybe a bespoke icon is preferred here.
edit_menu->add_icon_item(get_theme_icon(SNAME("Search"), SNAME("EditorIcons")), TTR("Inspect"), OBJ_MENU_INSPECT);
} else {
edit_menu->add_icon_item(get_theme_icon(SNAME("Edit"), SNAME("EditorIcons")), TTR("Edit"), OBJ_MENU_INSPECT);
}
if (is_editable()) {
edit_menu->add_icon_item(get_theme_icon(SNAME("Clear"), SNAME("EditorIcons")), TTR("Clear"), OBJ_MENU_CLEAR);
edit_menu->add_icon_item(get_theme_icon(SNAME("Duplicate"), SNAME("EditorIcons")), TTR("Make Unique"), OBJ_MENU_MAKE_UNIQUE);
// Check whether the resource has subresources.
List<PropertyInfo> property_list;
edited_resource->get_property_list(&property_list);
bool has_subresources = false;
for (PropertyInfo &p : property_list) {
if ((p.type == Variant::OBJECT) && (p.hint == PROPERTY_HINT_RESOURCE_TYPE) && (p.name != "script")) {
has_subresources = true;
break;
}
}
if (has_subresources) {
edit_menu->add_icon_item(get_theme_icon(SNAME("Duplicate"), SNAME("EditorIcons")), TTR("Make Unique (Recursive)"), OBJ_MENU_MAKE_UNIQUE_RECURSIVE);
}
edit_menu->add_icon_item(get_theme_icon(SNAME("Save"), SNAME("EditorIcons")), TTR("Save"), OBJ_MENU_SAVE);
}
if (edited_resource->get_path().is_resource_file()) {
edit_menu->add_separator();
edit_menu->add_item(TTR("Show in FileSystem"), OBJ_MENU_SHOW_IN_FILE_SYSTEM);
}
}
// Add options to copy/paste resource.
Ref<Resource> cb = EditorSettings::get_singleton()->get_resource_clipboard();
bool paste_valid = false;
if (is_editable() && cb.is_valid()) {
if (base_type.is_empty()) {
paste_valid = true;
} else {
String res_type = _get_resource_type(cb);
for (int i = 0; i < base_type.get_slice_count(","); i++) {
String base = base_type.get_slice(",", i);
paste_valid = ClassDB::is_parent_class(res_type, base) || EditorNode::get_editor_data().script_class_is_parent(res_type, base);
if (!paste_valid) {
break;
}
}
}
}
if (edited_resource.is_valid() || paste_valid) {
edit_menu->add_separator();
if (edited_resource.is_valid()) {
edit_menu->add_item(TTR("Copy"), OBJ_MENU_COPY);
}
if (paste_valid) {
edit_menu->add_item(TTR("Paste"), OBJ_MENU_PASTE);
}
}
// Add options to convert existing resource to another type of resource.
if (is_editable() && edited_resource.is_valid()) {
Vector<Ref<EditorResourceConversionPlugin>> conversions = EditorNode::get_singleton()->find_resource_conversion_plugin(edited_resource);
if (conversions.size()) {
edit_menu->add_separator();
}
for (int i = 0; i < conversions.size(); i++) {
String what = conversions[i]->converts_to();
Ref<Texture2D> icon;
if (has_theme_icon(what, SNAME("EditorIcons"))) {
icon = get_theme_icon(what, SNAME("EditorIcons"));
} else {
icon = get_theme_icon(what, SNAME("Resource"));
}
edit_menu->add_icon_item(icon, vformat(TTR("Convert to %s"), what), CONVERT_BASE_ID + i);
}
}
}
void EditorResourcePicker::_edit_menu_cbk(int p_which) {
switch (p_which) {
case OBJ_MENU_LOAD: {
List<String> extensions;
for (int i = 0; i < base_type.get_slice_count(","); i++) {
String base = base_type.get_slice(",", i);
ResourceLoader::get_recognized_extensions_for_type(base, &extensions);
if (ScriptServer::is_global_class(base)) {
ResourceLoader::get_recognized_extensions_for_type(ScriptServer::get_global_class_native_base(base), &extensions);
}
}
HashSet<String> valid_extensions;
for (const String &E : extensions) {
valid_extensions.insert(E);
}
if (!file_dialog) {
file_dialog = memnew(EditorFileDialog);
file_dialog->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
add_child(file_dialog);
file_dialog->connect("file_selected", callable_mp(this, &EditorResourcePicker::_file_selected));
}
file_dialog->clear_filters();
for (const String &E : valid_extensions) {
file_dialog->add_filter("*." + E, E.to_upper());
}
file_dialog->popup_file_dialog();
} break;
case OBJ_MENU_QUICKLOAD: {
if (!quick_open) {
quick_open = memnew(EditorQuickOpen);
add_child(quick_open);
quick_open->connect("quick_open", callable_mp(this, &EditorResourcePicker::_file_quick_selected));
}
quick_open->popup_dialog(base_type);
quick_open->set_title(TTR("Resource"));
} break;
case OBJ_MENU_INSPECT: {
if (edited_resource.is_valid()) {
emit_signal(SNAME("resource_selected"), edited_resource, true);
}
} break;
case OBJ_MENU_CLEAR: {
edited_resource = Ref<Resource>();
emit_signal(SNAME("resource_changed"), edited_resource);
_update_resource();
} break;
case OBJ_MENU_MAKE_UNIQUE: {
if (edited_resource.is_null()) {
return;
}
Ref<Resource> unique_resource = edited_resource->duplicate();
ERR_FAIL_COND(unique_resource.is_null());
edited_resource = unique_resource;
emit_signal(SNAME("resource_changed"), edited_resource);
_update_resource();
} break;
case OBJ_MENU_MAKE_UNIQUE_RECURSIVE: {
if (edited_resource.is_null()) {
return;
}
Ref<Resource> unique_resource = edited_resource->duplicate(true);
ERR_FAIL_COND(unique_resource.is_null());
edited_resource = unique_resource;
emit_signal(SNAME("resource_changed"), edited_resource);
_update_resource();
} break;
case OBJ_MENU_SAVE: {
if (edited_resource.is_null()) {
return;
}
EditorNode::get_singleton()->save_resource(edited_resource);
} break;
case OBJ_MENU_COPY: {
EditorSettings::get_singleton()->set_resource_clipboard(edited_resource);
} break;
case OBJ_MENU_PASTE: {
edited_resource = EditorSettings::get_singleton()->get_resource_clipboard();
if (edited_resource->is_built_in() && EditorNode::get_singleton()->get_edited_scene() &&
edited_resource->get_path().get_slice("::", 0) != EditorNode::get_singleton()->get_edited_scene()->get_scene_file_path()) {
// Automatically make resource unique if it belongs to another scene.
_edit_menu_cbk(OBJ_MENU_MAKE_UNIQUE);
return;
}
emit_signal(SNAME("resource_changed"), edited_resource);
_update_resource();
} break;
case OBJ_MENU_SHOW_IN_FILE_SYSTEM: {
FileSystemDock *file_system_dock = FileSystemDock::get_singleton();
file_system_dock->navigate_to_path(edited_resource->get_path());
// Ensure that the FileSystem dock is visible.
TabContainer *tab_container = (TabContainer *)file_system_dock->get_parent_control();
tab_container->set_current_tab(tab_container->get_tab_idx_from_control(file_system_dock));
} break;
default: {
// Allow subclasses to handle their own options first, only then fallback on the default branch logic.
if (handle_menu_selected(p_which)) {
break;
}
if (p_which >= CONVERT_BASE_ID) {
int to_type = p_which - CONVERT_BASE_ID;
Vector<Ref<EditorResourceConversionPlugin>> conversions = EditorNode::get_singleton()->find_resource_conversion_plugin(edited_resource);
ERR_FAIL_INDEX(to_type, conversions.size());
edited_resource = conversions[to_type]->convert(edited_resource);
emit_signal(SNAME("resource_changed"), edited_resource);
_update_resource();
break;
}
ERR_FAIL_COND(inheritors_array.is_empty());
String intype = inheritors_array[p_which - TYPE_BASE_ID];
Variant obj;
if (ScriptServer::is_global_class(intype)) {
obj = EditorNode::get_editor_data().script_class_instance(intype);
} else {
obj = ClassDB::instantiate(intype);
}
if (!obj) {
obj = EditorNode::get_editor_data().instantiate_custom_type(intype, "Resource");
}
Resource *resp = Object::cast_to<Resource>(obj);
ERR_BREAK(!resp);
EditorNode::get_editor_data().instantiate_object_properties(obj);
edited_resource = Ref<Resource>(resp);
emit_signal(SNAME("resource_changed"), edited_resource);
_update_resource();
} break;
}
}
void EditorResourcePicker::set_create_options(Object *p_menu_node) {
_ensure_resource_menu();
// If a subclass implements this method, use it to replace all create items.
if (GDVIRTUAL_CALL(_set_create_options, p_menu_node)) {
return;
}
// By default provide generic "New ..." options.
if (!base_type.is_empty()) {
int idx = 0;
HashSet<String> allowed_types;
_get_allowed_types(false, &allowed_types);
Vector<EditorData::CustomType> custom_resources;
if (EditorNode::get_editor_data().get_custom_types().has("Resource")) {
custom_resources = EditorNode::get_editor_data().get_custom_types()["Resource"];
}
for (const String &E : allowed_types) {
const String &t = E;
bool is_custom_resource = false;
Ref<Texture2D> icon;
if (!custom_resources.is_empty()) {
for (int j = 0; j < custom_resources.size(); j++) {
if (custom_resources[j].name == t) {
is_custom_resource = true;
if (custom_resources[j].icon.is_valid()) {
icon = custom_resources[j].icon;
}
break;
}
}
}
if (!is_custom_resource && !(ScriptServer::is_global_class(t) || ClassDB::can_instantiate(t))) {
continue;
}
inheritors_array.push_back(t);
if (!icon.is_valid()) {
icon = get_theme_icon(has_theme_icon(t, SNAME("EditorIcons")) ? t : String("Object"), SNAME("EditorIcons"));
}
int id = TYPE_BASE_ID + idx;
edit_menu->add_icon_item(icon, vformat(TTR("New %s"), t), id);
idx++;
}
if (edit_menu->get_item_count()) {
edit_menu->add_separator();
}
}
}
bool EditorResourcePicker::handle_menu_selected(int p_which) {
bool success = false;
GDVIRTUAL_CALL(_handle_menu_selected, p_which, success);
return success;
}
void EditorResourcePicker::_button_draw() {
if (dropping) {
Color color = get_theme_color(SNAME("accent_color"), SNAME("Editor"));
assign_button->draw_rect(Rect2(Point2(), assign_button->get_size()), color, false);
}
}
void EditorResourcePicker::_button_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == MouseButton::RIGHT) {
// Only attempt to update and show the menu if we have
// a valid resource or the Picker is editable, as
// there will otherwise be nothing to display.
if (edited_resource.is_valid() || is_editable()) {
_update_menu_items();
Vector2 pos = get_screen_position() + mb->get_position();
edit_menu->reset_size();
edit_menu->set_position(pos);
edit_menu->popup();
}
}
}
String EditorResourcePicker::_get_resource_type(const Ref<Resource> &p_resource) const {
if (p_resource.is_null()) {
return String();
}
String res_type = p_resource->get_class();
Ref<Script> res_script = p_resource->get_script();
if (res_script.is_null()) {
return res_type;
}
// TODO: Replace with EditorFileSystem when PR #60606 is merged to use cached resource type.
String script_type = EditorNode::get_editor_data().script_class_get_name(res_script->get_path());
if (!script_type.is_empty()) {
res_type = script_type;
}
return res_type;
}
void EditorResourcePicker::_get_allowed_types(bool p_with_convert, HashSet<String> *p_vector) const {
Vector<String> allowed_types = base_type.split(",");
int size = allowed_types.size();
List<StringName> global_classes;
ScriptServer::get_global_class_list(&global_classes);
for (int i = 0; i < size; i++) {
String base = allowed_types[i].strip_edges();
if (!ClassDB::is_virtual(base)) {
p_vector->insert(base);
}
// If we hit a familiar base type, take all the data from cache.
if (allowed_types_cache.has(base)) {
List<StringName> allowed_subtypes = allowed_types_cache[base];
for (const StringName &subtype_name : allowed_subtypes) {
if (!ClassDB::is_virtual(subtype_name)) {
p_vector->insert(subtype_name);
}
}
} else {
List<StringName> allowed_subtypes;
List<StringName> inheriters;
if (!ScriptServer::is_global_class(base)) {
ClassDB::get_inheriters_from_class(base, &inheriters);
}
for (const StringName &subtype_name : inheriters) {
if (!ClassDB::is_virtual(subtype_name)) {
p_vector->insert(subtype_name);
}
allowed_subtypes.push_back(subtype_name);
}
for (const StringName &subtype_name : global_classes) {
if (EditorNode::get_editor_data().script_class_is_parent(subtype_name, base)) {
if (!ClassDB::is_virtual(subtype_name)) {
p_vector->insert(subtype_name);
}
allowed_subtypes.push_back(subtype_name);
}
}
// Store the subtypes of the base type in the cache for future use.
allowed_types_cache[base] = allowed_subtypes;
}
if (p_with_convert) {
if (base == "BaseMaterial3D") {
p_vector->insert("Texture2D");
} else if (base == "ShaderMaterial") {
p_vector->insert("Shader");
} else if (base == "Texture2D") {
p_vector->insert("Image");
}
}
}
if (EditorNode::get_editor_data().get_custom_types().has("Resource")) {
Vector<EditorData::CustomType> custom_resources = EditorNode::get_editor_data().get_custom_types()["Resource"];
for (int i = 0; i < custom_resources.size(); i++) {
p_vector->insert(custom_resources[i].name);
}
}
}
bool EditorResourcePicker::_is_drop_valid(const Dictionary &p_drag_data) const {
if (base_type.is_empty()) {
return true;
}
Dictionary drag_data = p_drag_data;
Ref<Resource> res;
if (drag_data.has("type") && String(drag_data["type"]) == "script_list_element") {
ScriptEditorBase *se = Object::cast_to<ScriptEditorBase>(drag_data["script_list_element"]);
if (se) {
res = se->get_edited_resource();
}
} else if (drag_data.has("type") && String(drag_data["type"]) == "resource") {
res = drag_data["resource"];
} else if (drag_data.has("type") && String(drag_data["type"]) == "files") {
Vector<String> files = drag_data["files"];
// TODO: Extract the typename of the dropped filepath's resource in a more performant way, without fully loading it.
if (files.size() == 1) {
String file = files[0];
res = ResourceLoader::load(file);
}
}
HashSet<String> allowed_types;
_get_allowed_types(true, &allowed_types);
if (res.is_valid()) {
String res_type = _get_resource_type(res);
if (_is_type_valid(res_type, allowed_types)) {
return true;
}
StringName custom_class = EditorNode::get_singleton()->get_object_custom_type_name(res.ptr());
if (_is_type_valid(custom_class, allowed_types)) {
return true;
}
}
return false;
}
bool EditorResourcePicker::_is_type_valid(const String p_type_name, HashSet<String> p_allowed_types) const {
for (const String &E : p_allowed_types) {
String at = E.strip_edges();
if (p_type_name == at || ClassDB::is_parent_class(p_type_name, at) || EditorNode::get_editor_data().script_class_is_parent(p_type_name, at)) {
return true;
}
}
return false;
}
Variant EditorResourcePicker::get_drag_data_fw(const Point2 &p_point, Control *p_from) {
if (edited_resource.is_valid()) {
return EditorNode::get_singleton()->drag_resource(edited_resource, p_from);
}
return Variant();
}
bool EditorResourcePicker::can_drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from) const {
return editable && _is_drop_valid(p_data);
}
void EditorResourcePicker::drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from) {
ERR_FAIL_COND(!_is_drop_valid(p_data));
Dictionary drag_data = p_data;
Ref<Resource> dropped_resource;
if (drag_data.has("type") && String(drag_data["type"]) == "script_list_element") {
ScriptEditorBase *se = Object::cast_to<ScriptEditorBase>(drag_data["script_list_element"]);
if (se) {
dropped_resource = se->get_edited_resource();
}
} else if (drag_data.has("type") && String(drag_data["type"]) == "resource") {
dropped_resource = drag_data["resource"];
}
if (!dropped_resource.is_valid() && drag_data.has("type") && String(drag_data["type"]) == "files") {
Vector<String> files = drag_data["files"];
if (files.size() == 1) {
String file = files[0];
dropped_resource = ResourceLoader::load(file);
}
}
if (dropped_resource.is_valid()) {
HashSet<String> allowed_types;
_get_allowed_types(false, &allowed_types);
String res_type = _get_resource_type(dropped_resource);
// If the accepted dropped resource is from the extended list, it requires conversion.
if (!_is_type_valid(res_type, allowed_types)) {
for (const String &E : allowed_types) {
String at = E.strip_edges();
if (at == "BaseMaterial3D" && Ref<Texture2D>(dropped_resource).is_valid()) {
// Use existing resource if possible and only replace its data.
Ref<StandardMaterial3D> mat = edited_resource;
if (!mat.is_valid()) {
mat.instantiate();
}
mat->set_texture(StandardMaterial3D::TextureParam::TEXTURE_ALBEDO, dropped_resource);
dropped_resource = mat;
break;
}
if (at == "ShaderMaterial" && Ref<Shader>(dropped_resource).is_valid()) {
Ref<ShaderMaterial> mat = edited_resource;
if (!mat.is_valid()) {
mat.instantiate();
}
mat->set_shader(dropped_resource);
dropped_resource = mat;
break;
}
if (at == "Texture2D" && Ref<Image>(dropped_resource).is_valid()) {
Ref<ImageTexture> texture = edited_resource;
if (!texture.is_valid()) {
texture.instantiate();
}
texture->set_image(dropped_resource);
dropped_resource = texture;
break;
}
}
}
edited_resource = dropped_resource;
emit_signal(SNAME("resource_changed"), edited_resource);
_update_resource();
}
}
void EditorResourcePicker::_bind_methods() {
ClassDB::bind_method(D_METHOD("_update_resource_preview"), &EditorResourcePicker::_update_resource_preview);
ClassDB::bind_method(D_METHOD("_get_drag_data_fw", "position", "from"), &EditorResourcePicker::get_drag_data_fw);
ClassDB::bind_method(D_METHOD("_can_drop_data_fw", "position", "data", "from"), &EditorResourcePicker::can_drop_data_fw);
ClassDB::bind_method(D_METHOD("_drop_data_fw", "position", "data", "from"), &EditorResourcePicker::drop_data_fw);
ClassDB::bind_method(D_METHOD("set_base_type", "base_type"), &EditorResourcePicker::set_base_type);
ClassDB::bind_method(D_METHOD("get_base_type"), &EditorResourcePicker::get_base_type);
ClassDB::bind_method(D_METHOD("get_allowed_types"), &EditorResourcePicker::get_allowed_types);
ClassDB::bind_method(D_METHOD("set_edited_resource", "resource"), &EditorResourcePicker::set_edited_resource);
ClassDB::bind_method(D_METHOD("get_edited_resource"), &EditorResourcePicker::get_edited_resource);
ClassDB::bind_method(D_METHOD("set_toggle_mode", "enable"), &EditorResourcePicker::set_toggle_mode);
ClassDB::bind_method(D_METHOD("is_toggle_mode"), &EditorResourcePicker::is_toggle_mode);
ClassDB::bind_method(D_METHOD("set_toggle_pressed", "pressed"), &EditorResourcePicker::set_toggle_pressed);
ClassDB::bind_method(D_METHOD("set_editable", "enable"), &EditorResourcePicker::set_editable);
ClassDB::bind_method(D_METHOD("is_editable"), &EditorResourcePicker::is_editable);
GDVIRTUAL_BIND(_set_create_options, "menu_node");
GDVIRTUAL_BIND(_handle_menu_selected, "id");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "base_type"), "set_base_type", "get_base_type");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "edited_resource", PROPERTY_HINT_RESOURCE_TYPE, "Resource", PROPERTY_USAGE_NONE), "set_edited_resource", "get_edited_resource");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "editable"), "set_editable", "is_editable");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "toggle_mode"), "set_toggle_mode", "is_toggle_mode");
ADD_SIGNAL(MethodInfo("resource_selected", PropertyInfo(Variant::OBJECT, "resource", PROPERTY_HINT_RESOURCE_TYPE, "Resource"), PropertyInfo(Variant::BOOL, "inspect")));
ADD_SIGNAL(MethodInfo("resource_changed", PropertyInfo(Variant::OBJECT, "resource", PROPERTY_HINT_RESOURCE_TYPE, "Resource")));
}
void EditorResourcePicker::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
_update_resource();
[[fallthrough]];
}
case NOTIFICATION_THEME_CHANGED: {
edit_button->set_icon(get_theme_icon(SNAME("select_arrow"), SNAME("Tree")));
} break;
case NOTIFICATION_DRAW: {
draw_style_box(get_theme_stylebox(SNAME("panel"), SNAME("Tree")), Rect2(Point2(), get_size()));
} break;
case NOTIFICATION_DRAG_BEGIN: {
if (editable && _is_drop_valid(get_viewport()->gui_get_drag_data())) {
dropping = true;
assign_button->queue_redraw();
}
} break;
case NOTIFICATION_DRAG_END: {
if (dropping) {
dropping = false;
assign_button->queue_redraw();
}
} break;
}
}
void EditorResourcePicker::set_base_type(const String &p_base_type) {
base_type = p_base_type;
// There is a possibility that the new base type is conflicting with the existing value.
// Keep the value, but warn the user that there is a potential mistake.
if (!base_type.is_empty() && edited_resource.is_valid()) {
HashSet<String> allowed_types;
_get_allowed_types(true, &allowed_types);
StringName custom_class;
bool is_custom = false;
if (edited_resource->get_script()) {
custom_class = EditorNode::get_singleton()->get_object_custom_type_name(edited_resource->get_script());
is_custom = _is_type_valid(custom_class, allowed_types);
}
if (!is_custom && !_is_type_valid(edited_resource->get_class(), allowed_types)) {
String class_str = (custom_class == StringName() ? edited_resource->get_class() : vformat("%s (%s)", custom_class, edited_resource->get_class()));
WARN_PRINT(vformat("Value mismatch between the new base type of this EditorResourcePicker, '%s', and the type of the value it already has, '%s'.", base_type, class_str));
}
} else {
// Call the method to build the cache immediately.
HashSet<String> allowed_types;
_get_allowed_types(false, &allowed_types);
}
}
String EditorResourcePicker::get_base_type() const {
return base_type;
}
Vector<String> EditorResourcePicker::get_allowed_types() const {
HashSet<String> allowed_types;
_get_allowed_types(false, &allowed_types);
Vector<String> types;
types.resize(allowed_types.size());
int i = 0;
String *w = types.ptrw();
for (const String &E : allowed_types) {
w[i] = E;
i++;
}
return types;
}
void EditorResourcePicker::set_edited_resource(Ref<Resource> p_resource) {
if (!p_resource.is_valid()) {
edited_resource = Ref<Resource>();
_update_resource();
return;
}
if (!base_type.is_empty()) {
HashSet<String> allowed_types;
_get_allowed_types(true, &allowed_types);
StringName custom_class;
bool is_custom = false;
if (p_resource->get_script()) {
custom_class = EditorNode::get_singleton()->get_object_custom_type_name(p_resource->get_script());
is_custom = _is_type_valid(custom_class, allowed_types);
}
if (!is_custom && !_is_type_valid(p_resource->get_class(), allowed_types)) {
String class_str = (custom_class == StringName() ? p_resource->get_class() : vformat("%s (%s)", custom_class, p_resource->get_class()));
ERR_FAIL_MSG(vformat("Failed to set a resource of the type '%s' because this EditorResourcePicker only accepts '%s' and its derivatives.", class_str, base_type));
}
}
edited_resource = p_resource;
_update_resource();
}
Ref<Resource> EditorResourcePicker::get_edited_resource() {
return edited_resource;
}
void EditorResourcePicker::set_toggle_mode(bool p_enable) {
assign_button->set_toggle_mode(p_enable);
}
bool EditorResourcePicker::is_toggle_mode() const {
return assign_button->is_toggle_mode();
}
void EditorResourcePicker::set_toggle_pressed(bool p_pressed) {
if (!is_toggle_mode()) {
return;
}
assign_button->set_pressed(p_pressed);
}
void EditorResourcePicker::set_editable(bool p_editable) {
editable = p_editable;
assign_button->set_disabled(!editable && !edited_resource.is_valid());
edit_button->set_visible(editable);
}
bool EditorResourcePicker::is_editable() const {
return editable;
}
void EditorResourcePicker::_ensure_resource_menu() {
if (edit_menu) {
return;
}
edit_menu = memnew(PopupMenu);
add_child(edit_menu);
edit_menu->connect("id_pressed", callable_mp(this, &EditorResourcePicker::_edit_menu_cbk));
edit_menu->connect("popup_hide", callable_mp((BaseButton *)edit_button, &BaseButton::set_pressed).bind(false));
}
EditorResourcePicker::EditorResourcePicker(bool p_hide_assign_button_controls) {
assign_button = memnew(Button);
assign_button->set_flat(true);
assign_button->set_h_size_flags(SIZE_EXPAND_FILL);
assign_button->set_clip_text(true);
assign_button->set_drag_forwarding(this);
add_child(assign_button);
assign_button->connect("pressed", callable_mp(this, &EditorResourcePicker::_resource_selected));
assign_button->connect("draw", callable_mp(this, &EditorResourcePicker::_button_draw));
assign_button->connect("gui_input", callable_mp(this, &EditorResourcePicker::_button_input));
if (!p_hide_assign_button_controls) {
preview_rect = memnew(TextureRect);
preview_rect->set_ignore_texture_size(true);
preview_rect->set_anchors_and_offsets_preset(PRESET_FULL_RECT);
preview_rect->set_offset(SIDE_TOP, 1);
preview_rect->set_offset(SIDE_BOTTOM, -1);
preview_rect->set_offset(SIDE_RIGHT, -1);
preview_rect->set_texture_filter(TEXTURE_FILTER_NEAREST_WITH_MIPMAPS);
assign_button->add_child(preview_rect);
}
edit_button = memnew(Button);
edit_button->set_flat(true);
edit_button->set_toggle_mode(true);
edit_button->connect("pressed", callable_mp(this, &EditorResourcePicker::_update_menu));
add_child(edit_button);
edit_button->connect("gui_input", callable_mp(this, &EditorResourcePicker::_button_input));
add_theme_constant_override("separation", 0);
}
// EditorScriptPicker
void EditorScriptPicker::set_create_options(Object *p_menu_node) {
PopupMenu *menu_node = Object::cast_to<PopupMenu>(p_menu_node);
if (!menu_node) {
return;
}
menu_node->add_icon_item(get_theme_icon(SNAME("ScriptCreate"), SNAME("EditorIcons")), TTR("New Script"), OBJ_MENU_NEW_SCRIPT);
if (script_owner) {
Ref<Script> scr = script_owner->get_script();
if (scr.is_valid()) {
menu_node->add_icon_item(get_theme_icon(SNAME("ScriptExtend"), SNAME("EditorIcons")), TTR("Extend Script"), OBJ_MENU_EXTEND_SCRIPT);
}
}
menu_node->add_separator();
}
bool EditorScriptPicker::handle_menu_selected(int p_which) {
switch (p_which) {
case OBJ_MENU_NEW_SCRIPT: {