godot/editor/export_template_manager.cpp
Rémi Verschelde b5334d14f7
Update copyright statements to 2021
Happy new year to the wonderful Godot community!

2020 has been a tough year for most of us personally, but a good year for
Godot development nonetheless with a huge amount of work done towards Godot
4.0 and great improvements backported to the long-lived 3.2 branch.

We've had close to 400 contributors to engine code this year, authoring near
7,000 commit! (And that's only for the `master` branch and for the engine code,
there's a lot more when counting docs, demos and other first-party repos.)

Here's to a great year 2021 for all Godot users 🎆
2021-01-01 20:19:21 +01:00

713 lines
24 KiB
C++

/*************************************************************************/
/* export_template_manager.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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 "export_template_manager.h"
#include "core/input/input.h"
#include "core/io/json.h"
#include "core/io/zip_io.h"
#include "core/os/dir_access.h"
#include "core/os/keyboard.h"
#include "core/version.h"
#include "editor_node.h"
#include "editor_scale.h"
#include "progress_dialog.h"
#include "scene/gui/link_button.h"
void ExportTemplateManager::_update_template_list() {
while (current_hb->get_child_count()) {
memdelete(current_hb->get_child(0));
}
while (installed_vb->get_child_count()) {
memdelete(installed_vb->get_child(0));
}
DirAccess *d = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
Error err = d->change_dir(EditorSettings::get_singleton()->get_templates_dir());
Set<String> templates;
d->list_dir_begin();
if (err == OK) {
String c = d->get_next();
while (c != String()) {
if (d->current_is_dir() && !c.begins_with(".")) {
templates.insert(c);
}
c = d->get_next();
}
}
d->list_dir_end();
memdelete(d);
String current_version = VERSION_FULL_CONFIG;
// Downloadable export templates are only available for stable and official alpha/beta/RC builds
// (which always have a number following their status, e.g. "alpha1").
// Therefore, don't display download-related features when using a development version
// (whose builds aren't numbered).
const bool downloads_available =
String(VERSION_STATUS) != String("dev") &&
String(VERSION_STATUS) != String("alpha") &&
String(VERSION_STATUS) != String("beta") &&
String(VERSION_STATUS) != String("rc");
Label *current = memnew(Label);
current->set_h_size_flags(Control::SIZE_EXPAND_FILL);
current_hb->add_child(current);
if (templates.has(current_version)) {
current->add_theme_color_override("font_color", current->get_theme_color("success_color", "Editor"));
// Only display a redownload button if it can be downloaded in the first place
if (downloads_available) {
Button *redownload = memnew(Button);
redownload->set_text(TTR("Redownload"));
current_hb->add_child(redownload);
redownload->connect("pressed", callable_mp(this, &ExportTemplateManager::_download_template), varray(current_version));
}
Button *uninstall = memnew(Button);
uninstall->set_text(TTR("Uninstall"));
current_hb->add_child(uninstall);
current->set_text(current_version + " " + TTR("(Installed)"));
uninstall->connect("pressed", callable_mp(this, &ExportTemplateManager::_uninstall_template), varray(current_version));
} else {
current->add_theme_color_override("font_color", current->get_theme_color("error_color", "Editor"));
Button *redownload = memnew(Button);
redownload->set_text(TTR("Download"));
if (!downloads_available) {
redownload->set_disabled(true);
redownload->set_tooltip(TTR("Official export templates aren't available for development builds."));
}
redownload->connect("pressed", callable_mp(this, &ExportTemplateManager::_download_template), varray(current_version));
current_hb->add_child(redownload);
current->set_text(current_version + " " + TTR("(Missing)"));
}
for (Set<String>::Element *E = templates.back(); E; E = E->prev()) {
HBoxContainer *hbc = memnew(HBoxContainer);
Label *version = memnew(Label);
version->set_modulate(current->get_theme_color("disabled_font_color", "Editor"));
String text = E->get();
if (text == current_version) {
text += " " + TTR("(Current)");
}
version->set_text(text);
version->set_h_size_flags(Control::SIZE_EXPAND_FILL);
hbc->add_child(version);
Button *uninstall = memnew(Button);
uninstall->set_text(TTR("Uninstall"));
hbc->add_child(uninstall);
uninstall->connect("pressed", callable_mp(this, &ExportTemplateManager::_uninstall_template), varray(E->get()));
installed_vb->add_child(hbc);
}
}
void ExportTemplateManager::_download_template(const String &p_version) {
while (template_list->get_child_count()) {
memdelete(template_list->get_child(0));
}
template_downloader->popup_centered();
template_list_state->set_text(TTR("Retrieving mirrors, please wait..."));
template_download_progress->set_max(100);
template_download_progress->set_value(0);
request_mirror->request("https://godotengine.org/mirrorlist/" + p_version + ".json");
template_list_state->show();
template_download_progress->show();
}
void ExportTemplateManager::_uninstall_template(const String &p_version) {
remove_confirm->set_text(vformat(TTR("Remove template version '%s'?"), p_version));
remove_confirm->popup_centered();
to_remove = p_version;
}
void ExportTemplateManager::_uninstall_template_confirm() {
DirAccessRef da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
const String &templates_dir = EditorSettings::get_singleton()->get_templates_dir();
Error err = da->change_dir(templates_dir);
ERR_FAIL_COND_MSG(err != OK, "Could not access templates directory at '" + templates_dir + "'.");
err = da->change_dir(to_remove);
ERR_FAIL_COND_MSG(err != OK, "Could not access templates directory at '" + templates_dir.plus_file(to_remove) + "'.");
err = da->erase_contents_recursive();
ERR_FAIL_COND_MSG(err != OK, "Could not remove all templates in '" + templates_dir.plus_file(to_remove) + "'.");
da->change_dir("..");
err = da->remove(to_remove);
ERR_FAIL_COND_MSG(err != OK, "Could not remove templates directory at '" + templates_dir.plus_file(to_remove) + "'.");
_update_template_list();
}
bool ExportTemplateManager::_install_from_file(const String &p_file, bool p_use_progress) {
// unzClose() will take care of closing the file stored in the unzFile,
// so we don't need to `memdelete(fa)` in this method.
FileAccess *fa = nullptr;
zlib_filefunc_def io = zipio_create_io_from_file(&fa);
unzFile pkg = unzOpen2(p_file.utf8().get_data(), &io);
if (!pkg) {
EditorNode::get_singleton()->show_warning(TTR("Can't open export templates zip."));
return false;
}
int ret = unzGoToFirstFile(pkg);
int fc = 0; //count them and find version
String version;
String contents_dir;
while (ret == UNZ_OK) {
unz_file_info info;
char fname[16384];
ret = unzGetCurrentFileInfo(pkg, &info, fname, 16384, nullptr, 0, nullptr, 0);
String file = fname;
if (file.ends_with("version.txt")) {
Vector<uint8_t> data;
data.resize(info.uncompressed_size);
//read
unzOpenCurrentFile(pkg);
ret = unzReadCurrentFile(pkg, data.ptrw(), data.size());
unzCloseCurrentFile(pkg);
String data_str;
data_str.parse_utf8((const char *)data.ptr(), data.size());
data_str = data_str.strip_edges();
// Version number should be of the form major.minor[.patch].status[.module_config]
// so it can in theory have 3 or more slices.
if (data_str.get_slice_count(".") < 3) {
EditorNode::get_singleton()->show_warning(vformat(TTR("Invalid version.txt format inside templates: %s."), data_str));
unzClose(pkg);
return false;
}
version = data_str;
contents_dir = file.get_base_dir().trim_suffix("/").trim_suffix("\\");
}
if (file.get_file().size() != 0) {
fc++;
}
ret = unzGoToNextFile(pkg);
}
if (version == String()) {
EditorNode::get_singleton()->show_warning(TTR("No version.txt found inside templates."));
unzClose(pkg);
return false;
}
String template_path = EditorSettings::get_singleton()->get_templates_dir().plus_file(version);
DirAccessRef d = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
Error err = d->make_dir_recursive(template_path);
if (err != OK) {
EditorNode::get_singleton()->show_warning(TTR("Error creating path for templates:") + "\n" + template_path);
unzClose(pkg);
return false;
}
ret = unzGoToFirstFile(pkg);
EditorProgress *p = nullptr;
if (p_use_progress) {
p = memnew(EditorProgress("ltask", TTR("Extracting Export Templates"), fc));
}
fc = 0;
while (ret == UNZ_OK) {
//get filename
unz_file_info info;
char fname[16384];
unzGetCurrentFileInfo(pkg, &info, fname, 16384, nullptr, 0, nullptr, 0);
String file_path(String(fname).simplify_path());
String file = file_path.get_file();
if (file.size() == 0) {
ret = unzGoToNextFile(pkg);
continue;
}
Vector<uint8_t> data;
data.resize(info.uncompressed_size);
//read
unzOpenCurrentFile(pkg);
unzReadCurrentFile(pkg, data.ptrw(), data.size());
unzCloseCurrentFile(pkg);
String base_dir = file_path.get_base_dir().trim_suffix("/");
if (base_dir != contents_dir && base_dir.begins_with(contents_dir)) {
base_dir = base_dir.substr(contents_dir.length(), file_path.length()).trim_prefix("/");
file = base_dir.plus_file(file);
DirAccessRef da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
ERR_CONTINUE(!da);
String output_dir = template_path.plus_file(base_dir);
if (!DirAccess::exists(output_dir)) {
Error mkdir_err = da->make_dir_recursive(output_dir);
ERR_CONTINUE(mkdir_err != OK);
}
}
if (p) {
p->step(TTR("Importing:") + " " + file, fc);
}
String to_write = template_path.plus_file(file);
FileAccessRef f = FileAccess::open(to_write, FileAccess::WRITE);
if (!f) {
ret = unzGoToNextFile(pkg);
fc++;
ERR_CONTINUE_MSG(true, "Can't open file from path '" + String(to_write) + "'.");
}
f->store_buffer(data.ptr(), data.size());
#ifndef WINDOWS_ENABLED
FileAccess::set_unix_permissions(to_write, (info.external_fa >> 16) & 0x01FF);
#endif
ret = unzGoToNextFile(pkg);
fc++;
}
if (p) {
memdelete(p);
}
unzClose(pkg);
_update_template_list();
return true;
}
void ExportTemplateManager::popup_manager() {
_update_template_list();
popup_centered(Size2(400, 400) * EDSCALE);
}
void ExportTemplateManager::ok_pressed() {
template_open->popup_file_dialog();
}
void ExportTemplateManager::_http_download_mirror_completed(int p_status, int p_code, const PackedStringArray &headers, const PackedByteArray &p_data) {
if (p_status != HTTPRequest::RESULT_SUCCESS || p_code != 200) {
EditorNode::get_singleton()->show_warning(TTR("Error getting the list of mirrors."));
return;
}
String mirror_str;
{
const uint8_t *r = p_data.ptr();
mirror_str.parse_utf8((const char *)r, p_data.size());
}
template_list_state->hide();
template_download_progress->hide();
Variant r;
String errs;
int errline;
Error err = JSON::parse(mirror_str, r, errs, errline);
if (err != OK) {
EditorNode::get_singleton()->show_warning(TTR("Error parsing JSON of mirror list. Please report this issue!"));
return;
}
bool mirrors_found = false;
Dictionary d = r;
if (d.has("mirrors")) {
Array mirrors = d["mirrors"];
for (int i = 0; i < mirrors.size(); i++) {
Dictionary m = mirrors[i];
ERR_CONTINUE(!m.has("url") || !m.has("name"));
LinkButton *lb = memnew(LinkButton);
lb->set_text(m["name"]);
lb->connect("pressed", callable_mp(this, &ExportTemplateManager::_begin_template_download), varray(m["url"]));
template_list->add_child(lb);
mirrors_found = true;
}
}
if (!mirrors_found) {
EditorNode::get_singleton()->show_warning(TTR("No download links found for this version. Direct download is only available for official releases."));
return;
}
}
void ExportTemplateManager::_http_download_templates_completed(int p_status, int p_code, const PackedStringArray &headers, const PackedByteArray &p_data) {
switch (p_status) {
case HTTPRequest::RESULT_CANT_RESOLVE: {
template_list_state->set_text(TTR("Can't resolve."));
} break;
case HTTPRequest::RESULT_BODY_SIZE_LIMIT_EXCEEDED:
case HTTPRequest::RESULT_CONNECTION_ERROR:
case HTTPRequest::RESULT_CHUNKED_BODY_SIZE_MISMATCH:
case HTTPRequest::RESULT_SSL_HANDSHAKE_ERROR:
case HTTPRequest::RESULT_CANT_CONNECT: {
template_list_state->set_text(TTR("Can't connect."));
} break;
case HTTPRequest::RESULT_NO_RESPONSE: {
template_list_state->set_text(TTR("No response."));
} break;
case HTTPRequest::RESULT_REQUEST_FAILED: {
template_list_state->set_text(TTR("Request Failed."));
} break;
case HTTPRequest::RESULT_REDIRECT_LIMIT_REACHED: {
template_list_state->set_text(TTR("Redirect Loop."));
} break;
default: {
if (p_code != 200) {
template_list_state->set_text(TTR("Failed:") + " " + itos(p_code));
} else {
String path = download_templates->get_download_file();
template_list_state->set_text(TTR("Download Complete."));
template_downloader->hide();
bool ret = _install_from_file(path, false);
if (ret) {
// Clean up downloaded file.
DirAccessRef da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
Error err = da->remove(path);
if (err != OK) {
EditorNode::get_singleton()->add_io_error(TTR("Cannot remove temporary file:") + "\n" + path + "\n");
}
} else {
EditorNode::get_singleton()->add_io_error(vformat(TTR("Templates installation failed.\nThe problematic templates archives can be found at '%s'."), path));
}
}
} break;
}
set_process(false);
}
void ExportTemplateManager::_begin_template_download(const String &p_url) {
if (Input::get_singleton()->is_key_pressed(KEY_SHIFT)) {
OS::get_singleton()->shell_open(p_url);
return;
}
for (int i = 0; i < template_list->get_child_count(); i++) {
BaseButton *b = Object::cast_to<BaseButton>(template_list->get_child(0));
if (b) {
b->set_disabled(true);
}
}
download_data.clear();
download_templates->set_download_file(EditorSettings::get_singleton()->get_cache_dir().plus_file("tmp_templates.tpz"));
download_templates->set_use_threads(true);
Error err = download_templates->request(p_url);
if (err != OK) {
EditorNode::get_singleton()->show_warning(TTR("Error requesting URL:") + " " + p_url);
return;
}
set_process(true);
template_list_state->show();
template_download_progress->set_max(100);
template_download_progress->set_value(0);
template_download_progress->show();
template_list_state->set_text(TTR("Connecting to Mirror..."));
}
void ExportTemplateManager::_window_template_downloader_closed() {
download_templates->cancel_request();
}
void ExportTemplateManager::_notification(int p_what) {
if (p_what == NOTIFICATION_VISIBILITY_CHANGED) {
if (!is_visible()) {
set_process(false);
}
}
if (p_what == NOTIFICATION_PROCESS) {
update_countdown -= get_process_delta_time();
if (update_countdown > 0) {
return;
}
update_countdown = 0.5;
String status;
bool errored = false;
switch (download_templates->get_http_client_status()) {
case HTTPClient::STATUS_DISCONNECTED:
status = TTR("Disconnected");
errored = true;
break;
case HTTPClient::STATUS_RESOLVING:
status = TTR("Resolving");
break;
case HTTPClient::STATUS_CANT_RESOLVE:
status = TTR("Can't Resolve");
errored = true;
break;
case HTTPClient::STATUS_CONNECTING:
status = TTR("Connecting...");
break;
case HTTPClient::STATUS_CANT_CONNECT:
status = TTR("Can't Connect");
errored = true;
break;
case HTTPClient::STATUS_CONNECTED:
status = TTR("Connected");
break;
case HTTPClient::STATUS_REQUESTING:
status = TTR("Requesting...");
break;
case HTTPClient::STATUS_BODY:
status = TTR("Downloading");
if (download_templates->get_body_size() > 0) {
status += " " + String::humanize_size(download_templates->get_downloaded_bytes()) + "/" + String::humanize_size(download_templates->get_body_size());
template_download_progress->set_max(download_templates->get_body_size());
template_download_progress->set_value(download_templates->get_downloaded_bytes());
} else {
status += " " + String::humanize_size(download_templates->get_downloaded_bytes());
}
break;
case HTTPClient::STATUS_CONNECTION_ERROR:
status = TTR("Connection Error");
errored = true;
break;
case HTTPClient::STATUS_SSL_HANDSHAKE_ERROR:
status = TTR("SSL Handshake Error");
errored = true;
break;
}
template_list_state->set_text(status);
if (errored) {
set_process(false);
}
}
}
bool ExportTemplateManager::can_install_android_template() {
const String templates_dir = EditorSettings::get_singleton()->get_templates_dir().plus_file(VERSION_FULL_CONFIG);
return FileAccess::exists(templates_dir.plus_file("android_source.zip"));
}
Error ExportTemplateManager::install_android_template() {
// To support custom Android builds, we install the Java source code and buildsystem
// from android_source.zip to the project's res://android folder.
DirAccessRef da = DirAccess::open("res://");
ERR_FAIL_COND_V(!da, ERR_CANT_CREATE);
// Make res://android dir (if it does not exist).
da->make_dir("android");
{
// Add version, to ensure building won't work if template and Godot version don't match.
FileAccessRef f = FileAccess::open("res://android/.build_version", FileAccess::WRITE);
ERR_FAIL_COND_V(!f, ERR_CANT_CREATE);
f->store_line(VERSION_FULL_CONFIG);
f->close();
}
// Create the android plugins directory.
Error err = da->make_dir_recursive("android/plugins");
ERR_FAIL_COND_V(err != OK, err);
err = da->make_dir_recursive("android/build");
ERR_FAIL_COND_V(err != OK, err);
{
// Add an empty .gdignore file to avoid scan.
FileAccessRef f = FileAccess::open("res://android/build/.gdignore", FileAccess::WRITE);
ERR_FAIL_COND_V(!f, ERR_CANT_CREATE);
f->store_line("");
f->close();
}
// Uncompress source template.
const String &templates_path = EditorSettings::get_singleton()->get_templates_dir().plus_file(VERSION_FULL_CONFIG);
const String &source_zip = templates_path.plus_file("android_source.zip");
ERR_FAIL_COND_V(!FileAccess::exists(source_zip), ERR_CANT_OPEN);
FileAccess *src_f = nullptr;
zlib_filefunc_def io = zipio_create_io_from_file(&src_f);
unzFile pkg = unzOpen2(source_zip.utf8().get_data(), &io);
ERR_FAIL_COND_V_MSG(!pkg, ERR_CANT_OPEN, "Android sources not in ZIP format.");
int ret = unzGoToFirstFile(pkg);
int total_files = 0;
// Count files to unzip.
while (ret == UNZ_OK) {
total_files++;
ret = unzGoToNextFile(pkg);
}
ret = unzGoToFirstFile(pkg);
ProgressDialog::get_singleton()->add_task("uncompress_src", TTR("Uncompressing Android Build Sources"), total_files);
Set<String> dirs_tested;
int idx = 0;
while (ret == UNZ_OK) {
// Get file path.
unz_file_info info;
char fpath[16384];
ret = unzGetCurrentFileInfo(pkg, &info, fpath, 16384, nullptr, 0, nullptr, 0);
String path = fpath;
String base_dir = path.get_base_dir();
if (!path.ends_with("/")) {
Vector<uint8_t> data;
data.resize(info.uncompressed_size);
// Read.
unzOpenCurrentFile(pkg);
unzReadCurrentFile(pkg, data.ptrw(), data.size());
unzCloseCurrentFile(pkg);
if (!dirs_tested.has(base_dir)) {
da->make_dir_recursive(String("android/build").plus_file(base_dir));
dirs_tested.insert(base_dir);
}
String to_write = String("res://android/build").plus_file(path);
FileAccess *f = FileAccess::open(to_write, FileAccess::WRITE);
if (f) {
f->store_buffer(data.ptr(), data.size());
memdelete(f);
#ifndef WINDOWS_ENABLED
FileAccess::set_unix_permissions(to_write, (info.external_fa >> 16) & 0x01FF);
#endif
} else {
ERR_PRINT("Can't uncompress file: " + to_write);
}
}
ProgressDialog::get_singleton()->task_step("uncompress_src", path, idx);
idx++;
ret = unzGoToNextFile(pkg);
}
ProgressDialog::get_singleton()->end_task("uncompress_src");
unzClose(pkg);
return OK;
}
void ExportTemplateManager::_bind_methods() {
}
ExportTemplateManager::ExportTemplateManager() {
VBoxContainer *main_vb = memnew(VBoxContainer);
add_child(main_vb);
current_hb = memnew(HBoxContainer);
main_vb->add_margin_child(TTR("Current Version:"), current_hb, false);
installed_scroll = memnew(ScrollContainer);
main_vb->add_margin_child(TTR("Installed Versions:"), installed_scroll, true);
installed_vb = memnew(VBoxContainer);
installed_scroll->add_child(installed_vb);
installed_scroll->set_enable_v_scroll(true);
installed_scroll->set_enable_h_scroll(false);
installed_vb->set_h_size_flags(Control::SIZE_EXPAND_FILL);
get_cancel_button()->set_text(TTR("Close"));
get_ok_button()->set_text(TTR("Install From File"));
remove_confirm = memnew(ConfirmationDialog);
remove_confirm->set_title(TTR("Remove Template"));
add_child(remove_confirm);
remove_confirm->connect("confirmed", callable_mp(this, &ExportTemplateManager::_uninstall_template_confirm));
template_open = memnew(FileDialog);
template_open->set_title(TTR("Select Template File"));
template_open->add_filter("*.tpz ; " + TTR("Godot Export Templates"));
template_open->set_access(FileDialog::ACCESS_FILESYSTEM);
template_open->set_file_mode(FileDialog::FILE_MODE_OPEN_FILE);
template_open->connect("file_selected", callable_mp(this, &ExportTemplateManager::_install_from_file), varray(true));
add_child(template_open);
set_title(TTR("Export Template Manager"));
set_hide_on_ok(false);
request_mirror = memnew(HTTPRequest);
add_child(request_mirror);
request_mirror->connect("request_completed", callable_mp(this, &ExportTemplateManager::_http_download_mirror_completed));
download_templates = memnew(HTTPRequest);
add_child(download_templates);
download_templates->connect("request_completed", callable_mp(this, &ExportTemplateManager::_http_download_templates_completed));
template_downloader = memnew(AcceptDialog);
template_downloader->set_title(TTR("Download Templates"));
template_downloader->get_ok_button()->set_text(TTR("Close"));
template_downloader->set_exclusive(true);
add_child(template_downloader);
template_downloader->connect("cancelled", callable_mp(this, &ExportTemplateManager::_window_template_downloader_closed));
VBoxContainer *vbc = memnew(VBoxContainer);
template_downloader->add_child(vbc);
ScrollContainer *sc = memnew(ScrollContainer);
sc->set_custom_minimum_size(Size2(400, 200) * EDSCALE);
vbc->add_margin_child(TTR("Select mirror from list: (Shift+Click: Open in Browser)"), sc);
template_list = memnew(VBoxContainer);
sc->add_child(template_list);
sc->set_enable_v_scroll(true);
sc->set_enable_h_scroll(false);
template_list_state = memnew(Label);
vbc->add_child(template_list_state);
template_download_progress = memnew(ProgressBar);
vbc->add_child(template_download_progress);
update_countdown = 0;
}