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94ce8fddd7f6578151aec1d6c4ba904854a35711
ReSkate/Launcher/gui_mods_browse.cpp
T
AyeZeeBB 63955e51ff Launcher changelogs, download total, Discord joins skip the launcher window; Mod Options 
Changelogs. The launcher's main screen has a CHANGELOGS tile in the
bottom-left corner. It opens a panel with the newest GitHub release: its
tag, title, date and notes. The notes are the release's description, read
as markdown and drawn like a mod's README (headings, bullets, code, rules).
A release published without a description shows what its GitHub page shows,
the tagged commit's message, taken from the releases feed. Fetched once,
the first time the panel opens; "Open on GitHub" goes to the releases page.

Download total. On GET MODS, the bar for ticked mods now gives the size of
what installing them downloads: "3 mods selected / 1.27 GB to download".
It is the sum of each mod's newest version as Thunderstore lists it.

Discord joins. The command the game registers for Discord to start ReSkate
now passes --no-gui, so pressing Join with the game closed goes straight
into the game instead of stopping at the launcher window.

--no-gui with no other launch flags now starts the game with the launcher's
saved settings (window size, menu and console keys, loose files, GPU
diagnostics, Discord status, offline, log level, extra launch options), as
pressing PLAY does. With flags of its own it behaves as before.

Mod Options. The pause menu's "Custom Stuff" page is renamed "Mod Options",
in the menu, the READMEs and the comments.

Not tested in game: the Discord join with the game closed, and the renamed
page. The changelog panel has only been seen with the earlier API-only
fetch.
2026-10-10 01:42:36 -05:00

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#include "gui_internal.h"
#include "gui_renderer.h"
#include "mod_manager.h"
#include "updater.h"
#include "Engine/Core/Log/logging.h"
#include <cstdio>
#include <format>
// The Mods panel's BROWSE page: packages from Thunderstore, their icons, and
// downloading and installing them on the panel's worker.
namespace dingosdk::launcher_gui::detail {
namespace {
namespace ts = thunderstore;
constexpr int listing_timeout_ms = 20000;
constexpr int download_timeout_ms = 30000;
constexpr std::size_t max_icons = 128; // loaded icon textures, of the renderer's 160 slots
constexpr std::uint64_t max_icon_bytes = 6 * 1024 * 1024;
void log(logging::Level level, const std::string& message) {
logging::write(level, logging::Channel::launcher, message);
}
std::string fetch(const std::wstring& url, std::uint64_t limit, const std::atomic<bool>& stop) {
std::string body;
launcher_update::http_stream(url, limit, listing_timeout_ms, [&](const char* data, DWORD size) {
if (stop) throw std::runtime_error("stopped");
body.append(data, size);
});
return body;
}
// The listing index and its chunks (what r2modman reads), else the plain listing.
std::vector<ts::Package> fetch_listing(const std::string& community, const std::atomic<bool>& stop) {
try {
const auto index = ts::parse_index(ts::gunzip(fetch(ts::listing_index_url(community), 1 << 20, stop), 4 << 20));
std::vector<ts::Package> packages;
for (const auto& url : index) {
auto chunk = ts::parse_listing(ts::gunzip(fetch(url, 64ull << 20, stop), 256ull << 20));
std::move(chunk.begin(), chunk.end(), std::back_inserter(packages));
}
return packages;
} catch (const std::exception& failure) {
if (stop) throw;
log(logging::Level::warning, std::string("Thunderstore listing index unavailable (") + failure.what() +
"); reading the plain listing");
}
return ts::parse_listing(ts::gunzip(fetch(ts::listing_url(community), 256ull << 20, stop), 256ull << 20));
}
fs::path icon_cache() {
std::array<wchar_t, 32768> local{};
const auto length = GetEnvironmentVariableW(L"LOCALAPPDATA", local.data(), static_cast<DWORD>(local.size()));
if (!length || length >= local.size()) return {};
return fs::path(local.data()) / L"ReSkate" / L"thunderstore" / L"icons";
}
// Icon URLs end in Namespace-Name-1.2.3.png, so a file name keyed on that never goes stale.
std::wstring icon_file(std::string_view url) {
const auto slash = url.rfind('/');
std::string name(url.substr(slash == std::string_view::npos ? 0 : slash + 1));
for (auto& ch : name)
if (!((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || (ch >= '0' && ch <= '9') || ch == '.' || ch == '-' || ch == '_'))
ch = '_';
if (name.empty() || name.front() == '.') name.insert(name.begin(), 'i');
return wide(name);
}
std::vector<unsigned char> read_bytes(const fs::path& path) {
std::vector<unsigned char> bytes;
FILE* file{};
if (_wfopen_s(&file, path.c_str(), L"rb") || !file) return bytes;
std::array<unsigned char, 65536> buffer{};
for (std::size_t read; (read = std::fread(buffer.data(), 1, buffer.size(), file)) > 0;)
bytes.insert(bytes.end(), buffer.begin(), buffer.begin() + static_cast<std::ptrdiff_t>(read));
std::fclose(file);
return bytes;
}
void icon_worker(Icons& icons) {
const bool com = SUCCEEDED(CoInitializeEx(nullptr, COINIT_MULTITHREADED));
const auto cache = icon_cache();
std::atomic<bool> never{};
for (;;) {
std::string url;
{
std::unique_lock lock(icons.mutex);
icons.wake.wait(lock, [&] { return icons.stop || !icons.queue.empty(); });
if (icons.stop) break;
url = std::move(icons.queue.front());
icons.queue.pop_front();
}
Icons::Decoded decoded{url};
try {
const auto cached = cache.empty() ? fs::path() : cache / icon_file(url);
auto bytes = cached.empty() ? std::vector<unsigned char>() : read_bytes(cached);
if (bytes.empty()) {
const auto body = fetch(wide(url), max_icon_bytes, never);
bytes.assign(body.begin(), body.end());
if (!cached.empty()) {
std::error_code error;
fs::create_directories(cache, error);
FILE* file{};
if (!_wfopen_s(&file, cached.c_str(), L"wb") && file) {
std::fwrite(bytes.data(), 1, bytes.size(), file);
std::fclose(file);
}
}
}
UINT width{}, height{};
if (!decode_image(bytes, ImVec2(S(96), S(96)), decoded.pixels, width, height)) decoded.pixels.clear();
decoded.width = width;
decoded.height = height;
} catch (const std::exception&) {
decoded.pixels.clear();
}
std::lock_guard lock(icons.mutex);
icons.done.push_back(std::move(decoded));
}
if (com) CoUninitialize();
}
std::string lower(std::string_view text) {
std::string result(text);
for (auto& ch : result) if (ch >= 'A' && ch <= 'Z') ch = static_cast<char>(ch + ('a' - 'A'));
return result;
}
std::string count_text(std::uint64_t value) {
if (value >= 1'000'000) return std::format("{:.1f}M", static_cast<double>(value) / 1e6);
if (value >= 10'000) return std::format("{}k", value / 1000);
if (value >= 1'000) return std::format("{:.1f}k", static_cast<double>(value) / 1e3);
return std::to_string(value);
}
std::string date_text(const std::string& iso) { return iso.substr(0, std::min<std::size_t>(iso.size(), 10)); }
void set_activity(ModsPanel& panel, std::string text) {
std::lock_guard lock(panel.mutex);
panel.activity = std::move(text);
}
// Downloads one package into Mods/.reskate-download, then installs it over any
// installed copy (which goes to the Recycle Bin, keeping its place in mods.json).
std::string install_package(ModsPanel& panel, const fs::path& root, const ts::Package& package) {
const auto& version = package.latest();
const auto folder = root / L".reskate-download";
const auto archive = folder / (wide(package.full_name) + L".zip");
std::error_code error;
fs::create_directories(folder, error);
struct Cleanup {
fs::path folder, archive;
~Cleanup() { std::error_code ignored; fs::remove(archive, ignored); fs::remove(folder, ignored); }
} cleanup{folder, archive};
set_activity(panel, "Downloading " + package.title() + " v" + version.number +
(version.file_size ? " (" + size_text(version.file_size) + ")" : std::string()));
panel.progress = 0;
{
FILE* file{};
if (_wfopen_s(&file, archive.c_str(), L"wb") || !file)
throw std::runtime_error("Could not write the download into the Mods folder.");
std::uint64_t received = 0;
const auto expected = version.file_size;
try {
launcher_update::http_stream(wide(version.download_url), expected ? expected + (1 << 20) : 8ull << 30,
download_timeout_ms, [&](const char* data, DWORD size) {
if (panel.cancel) throw std::runtime_error("Install cancelled.");
if (std::fwrite(data, 1, size, file) != size)
throw std::runtime_error("Could not write the download (is the disk full?).");
received += size;
if (expected) panel.progress = static_cast<float>(static_cast<double>(received) / static_cast<double>(expected));
});
} catch (...) {
std::fclose(file);
throw;
}
std::fclose(file);
if (expected && received != expected)
throw std::runtime_error(std::format("The download of {} stopped early ({} of {}).", package.title(),
size_text(received), size_text(expected)));
}
set_activity(panel, "Installing " + package.title() + " v" + version.number);
panel.progress = 0;
launcher_mods::InstallOptions options;
options.folder = ts::folder_for(package.full_name);
options.author = package.owner;
options.require_content = true;
return launcher_mods::install(root, archive, true, [&panel](float fraction) { panel.progress = fraction; },
panel.cancel, options);
}
// Search, category and the sort order, pinned packages first like the site.
std::vector<const ts::Package*> visible_packages(const Store& store, const ts::Installed& installed) {
const auto query = lower(store.search.data());
std::vector<const ts::Package*> result;
for (const auto& package : store.packages) {
const bool have = installed.contains(ts::folder_for(package.full_name));
// Deprecated and NSFW packages only show once installed.
if ((package.deprecated || package.nsfw) && !have) continue;
if (!store.category.empty() && !package.in_category(store.category)) continue;
if (!query.empty() && lower(package.title()).find(query) == std::string::npos &&
lower(package.owner).find(query) == std::string::npos &&
lower(package.latest().description).find(query) == std::string::npos) continue;
result.push_back(&package);
}
const auto order = [&](const ts::Package* a, const ts::Package* b) {
if (a->pinned != b->pinned) return a->pinned;
switch (store.sort) {
case 1: if (a->downloads != b->downloads) return a->downloads > b->downloads; break;
case 2: if (a->date_created != b->date_created) return a->date_created > b->date_created; break;
case 3: if (a->rating != b->rating) return a->rating > b->rating; break;
case 4: break;
default: if (a->date_updated != b->date_updated) return a->date_updated > b->date_updated; break;
}
return lower(a->title()) < lower(b->title());
};
std::stable_sort(result.begin(), result.end(), order);
return result;
}
constexpr std::array<const char*, 5> sort_names{"Last updated", "Most downloaded", "Newest", "Top rated", "Name"};
// What installing `package` does now: install, update or reinstall.
std::string action_label(const ts::Package& package, const ts::Installed& installed) {
const auto found = installed.find(ts::folder_for(package.full_name));
if (found == installed.end()) return "INSTALL";
if (ts::update_available(package, installed)) return "UPDATE TO v" + package.latest().number;
return "REINSTALL";
}
} // namespace
// Placed by hand: a row lays its own icon, text and badges out.
void mod_icon(ModsPanel& panel, const thunderstore::Package* package, ImVec2 position, float size) {
const ImVec2 end(position.x + size, position.y + size);
auto* draw = ImGui::GetWindowDrawList();
if (const auto id = package ? package_icon(panel, *package) : ImTextureID{})
draw->AddImageRounded(id, position, end, ImVec2(0, 0), ImVec2(1, 1), IM_COL32_WHITE, S(4));
else
draw->AddRectFilled(position, end, rgba(255, 255, 255, 0.06f), S(4));
}
std::string size_text(std::uint64_t bytes) {
if (bytes >= 1024ull * 1024 * 1024) return std::format("{:.2f} GB", static_cast<double>(bytes) / (1024.0 * 1024 * 1024));
if (bytes >= 1024ull * 1024) return std::format("{:.0f} MB", static_cast<double>(bytes) / (1024.0 * 1024));
return std::format("{} KB", std::max<std::uint64_t>(1, bytes / 1024));
}
void refresh_listing(ModsPanel& panel, double time, bool force) {
auto& store = panel.store;
// Once per launch, unless asked; a failed fetch retries after a minute.
if (store.loading || (!force && store.fetched > -1e8 && (store.error.empty() || time - store.fetched < 60))) return;
if (store.worker.joinable()) store.worker.join();
store.fetched = time;
store.loading = true;
store.worker = std::thread([&store] {
std::vector<ts::Package> packages;
std::string error;
const auto community = ts::community();
try {
packages = fetch_listing(community, store.stop);
log(logging::Level::info, std::format("Thunderstore: {} package(s) in {}", packages.size(), community));
} catch (const std::exception& failure) {
error = failure.what();
if (!store.stop) log(logging::Level::warning, "Thunderstore listing could not be read: " + error);
}
std::lock_guard lock(store.mutex);
store.incoming = std::move(packages);
store.incoming_error = std::move(error);
store.arrived = true;
store.loading = false;
});
}
void collect_listing(ModsPanel& panel) {
auto& store = panel.store;
std::lock_guard lock(store.mutex);
if (!store.arrived) return;
store.arrived = false;
if (store.incoming_error.empty()) {
store.packages = std::move(store.incoming);
store.loaded = true;
store.error.clear();
} else {
store.error = std::move(store.incoming_error);
}
store.incoming.clear();
}
thunderstore::Installed installed_versions(const mods::ModList& list, bool enabled_only) {
ts::Installed installed;
for (const auto& entry : list.entries)
if (entry.enabled || !enabled_only) installed[entry.mod.name] = entry.mod.version;
return installed;
}
const thunderstore::Package* package_for(const Store& store, std::string_view folder) {
for (const auto& package : store.packages)
if (ts::folder_for(package.full_name) == folder) return &package;
return nullptr;
}
std::vector<const thunderstore::Package*> updates(const Store& store, const thunderstore::Installed& installed) {
std::vector<const ts::Package*> result;
for (const auto& package : store.packages)
if (ts::update_available(package, installed)) result.push_back(&package);
return result;
}
void start_store_install(ModsPanel& panel, std::vector<thunderstore::Package> packages) {
if (panel.installing || packages.empty()) return;
if (panel.worker.joinable()) panel.worker.join();
panel.installing = true;
panel.cancel = false;
panel.progress = 0;
panel.message.clear();
set_activity(panel, "Starting download...");
const auto root = panel.root;
panel.worker = std::thread([&panel, root, packages = std::move(packages)] {
std::string name, error, note;
std::size_t done = 0;
// One that fails does not stop the ones after it: each is its own download, and the
// list ends with what could not be installed. Cancelling does stop the rest.
std::vector<std::string> failed;
for (const auto& package : packages) {
if (panel.cancel) break;
try {
const bool update = fs::exists(root / wide(ts::folder_for(package.full_name)));
name = install_package(panel, root, package);
++done;
log(logging::Level::info, std::format("Mod {} from Thunderstore: {} v{} into Mods\\{}",
update ? "updated" : "installed", package.full_name, package.latest().number, name));
note = packages.size() > 1
? std::format("Updated {} mods. Changes apply the next time Skate starts.", done)
: std::format("{} {} v{}. It loads the next time Skate starts.", update ? "Updated" : "Installed",
package.title(), package.latest().number);
} catch (const std::exception& failure) {
log(logging::Level::warning, "Thunderstore install of " + package.full_name + " failed: " + failure.what());
if (panel.cancel) {
error = package.title() + ": " + failure.what();
break;
}
failed.push_back(package.title() + ": " + failure.what());
}
}
if (error.empty() && !failed.empty()) {
// The first few by name and reason; the log has every one.
constexpr std::size_t shown = 3;
error = packages.size() == 1 ? failed.front()
: std::format("{} of {} could not be installed{}. ", failed.size(), packages.size(),
done ? std::format(" ({} were)", done) : std::string());
if (packages.size() > 1) {
for (std::size_t i = 0; i < failed.size() && i < shown; ++i) error += (i ? " | " : "") + failed[i];
if (failed.size() > shown) error += std::format(" | and {} more", failed.size() - shown);
}
}
std::lock_guard lock(panel.mutex);
panel.finished = true;
panel.finished_name = name;
panel.finished_error = error;
panel.finished_conflict.clear();
panel.finished_note = note;
panel.finished_source.clear();
panel.activity.clear();
panel.installing = false;
});
}
ImTextureID package_icon(ModsPanel& panel, const thunderstore::Package& package) {
const auto& url = package.latest().icon;
if (url.empty() || !g_renderer) return {};
auto& icons = panel.icons;
auto& entry = icons.entries[url];
entry.used = ImGui::GetFrameCount();
if (entry.id || entry.failed || entry.queued) return entry.id;
entry.queued = true;
{
std::lock_guard lock(icons.mutex);
icons.queue.push_back(url);
}
if (!icons.worker.joinable()) icons.worker = std::thread([&icons] { icon_worker(icons); });
icons.wake.notify_one();
return {};
}
void pump_icons(ModsPanel& panel) {
auto& icons = panel.icons;
std::vector<Icons::Decoded> done;
{
std::lock_guard lock(icons.mutex);
done.swap(icons.done);
}
if (!g_renderer) return;
for (auto& decoded : done) {
auto& entry = icons.entries[decoded.url];
entry.queued = false;
if (decoded.pixels.empty()) { entry.failed = true; continue; }
// Make room by dropping the icons drawn longest ago.
std::size_t loaded = 0;
for (const auto& [url, other] : icons.entries) loaded += other.id ? 1 : 0;
while (loaded >= max_icons) {
auto oldest = icons.entries.end();
for (auto it = icons.entries.begin(); it != icons.entries.end(); ++it)
if (it->second.id && (oldest == icons.entries.end() || it->second.used < oldest->second.used)) oldest = it;
if (oldest == icons.entries.end() || oldest->second.used >= ImGui::GetFrameCount() - 1) break;
g_renderer->release_texture(oldest->second.id);
oldest->second.id = {};
--loaded;
}
entry.id = g_renderer->upload_texture(decoded.pixels, decoded.width, decoded.height);
if (!entry.id) entry.failed = true;
}
}
bool picked(const Store& store, const std::string& full_name) {
return std::find(store.picked.begin(), store.picked.end(), full_name) != store.picked.end();
}
void pick(Store& store, const std::string& full_name, bool on) {
const auto found = std::find(store.picked.begin(), store.picked.end(), full_name);
if (on && found == store.picked.end()) store.picked.push_back(full_name);
else if (!on && found != store.picked.end()) store.picked.erase(found);
}
void browse_page(Launcher& launcher, const Fonts& fonts, ModsPanel& panel, float height, bool installing) {
auto& store = panel.store;
const auto installed = installed_versions(panel.list);
// ------------------------------------------------ search, category, sort, refresh
const float top = ImGui::GetCursorPosY();
const float combo = S(190), refresh = S(110);
ImGui::SetNextItemWidth(std::max(S(140),
ImGui::GetContentRegionAvail().x - (combo + S(10)) * 2 - refresh - S(10)));
ImGui::InputTextWithHint("##search", "Search mods", store.search.data(), store.search.size());
ImGui::SameLine();
std::vector<std::string> categories;
for (const auto& package : store.packages)
for (const auto& category : package.categories)
if (std::find(categories.begin(), categories.end(), category) == categories.end()) categories.push_back(category);
std::sort(categories.begin(), categories.end());
ImGui::SetNextItemWidth(combo);
if (ImGui::BeginCombo("##category", store.category.empty() ? "All categories" : store.category.c_str())) {
if (ImGui::Selectable("All categories", store.category.empty())) store.category.clear();
for (const auto& category : categories)
if (ImGui::Selectable(category.c_str(), store.category == category)) store.category = category;
ImGui::EndCombo();
}
ImGui::SameLine();
ImGui::SetNextItemWidth(combo);
if (ImGui::BeginCombo("##sort", sort_names[static_cast<std::size_t>(std::clamp(store.sort, 0, 4))])) {
for (int i = 0; i < static_cast<int>(sort_names.size()); ++i)
if (ImGui::Selectable(sort_names[static_cast<std::size_t>(i)], store.sort == i)) store.sort = i;
ImGui::EndCombo();
}
ImGui::SameLine();
ImGui::BeginDisabled(store.loading);
if (ImGui::Button("Refresh", ImVec2(refresh, 0))) refresh_mods(launcher, panel);
ImGui::EndDisabled();
// ------------------------------------------------ what is ticked
if (!store.picked.empty()) {
ImGui::Spacing();
ImGui::AlignTextToFramePadding();
// What installing them all downloads: each one's newest version.
std::uint64_t bytes{};
for (const auto& name : store.picked)
for (const auto& package : store.packages)
if (package.full_name == name) bytes += package.latest().file_size;
auto chosen_text = store.picked.size() == 1 ? std::string("1 mod selected")
: std::format("{} mods selected", store.picked.size());
if (bytes) chosen_text += " / " + size_text(bytes) + " to download";
ImGui::TextUnformatted(chosen_text.c_str());
ImGui::SameLine();
const float action = S(190);
ImGui::SetCursorPosX(ImGui::GetContentRegionMax().x - action - S(90) - S(8));
if (ImGui::Button("Clear", ImVec2(S(90), 0))) store.picked.clear();
ImGui::SameLine();
ImGui::BeginDisabled(installing);
push_primary_button();
if (ImGui::Button(store.picked.size() == 1 ? "INSTALL 1 MOD"
: std::format("INSTALL {} MODS", store.picked.size()).c_str(), ImVec2(action, 0))) {
std::vector<ts::Package> chosen;
for (const auto& name : store.picked)
for (const auto& package : store.packages)
if (package.full_name == name) chosen.push_back(package);
store.picked.clear();
start_store_install(panel, std::move(chosen));
}
pop_primary_button();
ImGui::EndDisabled();
}
ImGui::Spacing();
const float body = std::max(S(120), height - (ImGui::GetCursorPosY() - top));
const auto packages = visible_packages(store, installed);
// ------------------------------------------------ the list
ImGui::BeginChild("##store_list", ImVec2(0, body), ImGuiChildFlags_Borders | ImGuiChildFlags_NavFlattened);
const auto note = [](const char* text) {
ImGui::Spacing();
ImGui::Indent(S(14));
ImGui::PushTextWrapPos(0);
ImGui::TextDisabled("%s", text);
ImGui::PopTextWrapPos();
ImGui::Unindent(S(14));
};
if (!store.loaded) {
if (store.loading || store.error.empty()) note("Loading mods from Thunderstore...");
else {
ImGui::Spacing();
ImGui::Indent(S(14));
ImGui::PushTextWrapPos(0);
ImGui::TextColored(ImGui::ColorConvertU32ToFloat4(color::danger), "Thunderstore could not be reached: %s",
store.error.c_str());
ImGui::PopTextWrapPos();
if (ImGui::Button("Try again")) refresh_listing(panel, ImGui::GetTime(), true);
ImGui::Unindent(S(14));
}
} else if (store.packages.empty()) {
note("No mods on Thunderstore yet. Made one? Package it with a manifest.json, icon.png and README.md "
"and upload it to thunderstore.io/c/reskate.");
} else if (packages.empty()) {
note("No mods match your search.");
}
const float row = S(78);
ImGui::BeginDisabled(installing);
virtual_rows(static_cast<int>(packages.size()), [&](int) { return row; }, [&](int index, float tall) {
const auto& package = *packages[static_cast<std::size_t>(index)];
const auto& version = package.latest();
const auto found = installed.find(ts::folder_for(package.full_name));
const bool update = ts::update_available(package, installed);
// Tools (Blender add-ons, utilities) are not game mods: their page has the download.
const bool tool = package.in_category("Tools") && !package.in_category("Mods");
bool ticked = picked(store, package.full_name);
ImGui::PushID(package.full_name.c_str());
auto* draw = ImGui::GetWindowDrawList();
const ImVec2 start = ImGui::GetCursorScreenPos();
const float width = ImGui::GetContentRegionAvail().x;
// The row itself opens the overview; the widgets on it keep their clicks.
begin_row();
if (list_row("##row", width, tall, ticked)) {
store.selected = package.full_name;
store.overview = false;
}
row_buttons();
const float right = start.x + width;
const float text_x = start.x + S(82);
mod_icon(panel, &package, ImVec2(start.x + S(14), start.y + S(11)), S(56));
draw->AddText(fonts.bold, fonts.bold->FontSize, ImVec2(text_x, start.y + S(10)), color::text,
package.title().c_str());
const float title_width =
fonts.bold->CalcTextSizeA(fonts.bold->FontSize, FLT_MAX, 0, package.title().c_str()).x;
draw->AddText(fonts.body, fonts.body->FontSize, ImVec2(text_x + title_width + S(8), start.y + S(12)),
color::muted, ("by " + package.owner).c_str());
// ------------------------------------------- tick and install, at the right
const float box = ImGui::GetFrameHeight();
const float tick_x = right - S(16) - box;
const float button = S(118);
const float button_x = tick_x - S(12) - button;
ImGui::SetCursorScreenPos(ImVec2(tick_x, start.y + (tall - box) * 0.5f));
ImGui::BeginDisabled(tool);
if (ImGui::Checkbox("##pick", &ticked)) pick(store, package.full_name, ticked);
ImGui::EndDisabled();
if (ImGui::IsItemHovered())
ImGui::SetTooltip(tool ? "A tool, not a game mod: get it from its Thunderstore page."
: "Tick to install this with the others you tick");
ImGui::SetCursorScreenPos(ImVec2(button_x, start.y + (tall - S(32)) * 0.5f));
if (tool) {
if (ImGui::Button("THUNDERSTORE", ImVec2(button, S(32)))) open_url(package.package_url);
} else if (update) {
push_primary_button();
if (ImGui::Button("UPDATE", ImVec2(button, S(32)))) start_store_install(panel, {package});
pop_primary_button();
} else if (found == installed.end()) {
push_primary_button();
if (ImGui::Button("INSTALL", ImVec2(button, S(32)))) start_store_install(panel, {package});
pop_primary_button();
} else {
const auto mark = "INSTALLED";
badge(draw, fonts, ImVec2(button_x + button - badge_width(fonts, mark),
start.y + (tall - fonts.caption->FontSize - S(8)) * 0.5f), mark, color::good, color::ink);
}
auto line = version.description;
std::replace_if(line.begin(), line.end(),
[](char ch) { return ch == 0x0a || ch == 0x0d || ch == 0x09; }, ' ');
// One line, clipped rather than wrapped, so every row is the same height.
const ImVec4 clip(text_x, start.y, button_x - S(14), start.y + tall);
draw->AddText(fonts.body, fonts.body->FontSize, ImVec2(text_x, start.y + S(32)), color::text, line.c_str(),
nullptr, 0, &clip);
draw->AddText(fonts.caption, fonts.caption->FontSize, ImVec2(text_x, start.y + S(55)), color::muted,
std::format("v{}{} / {} downloads / {}", version.number,
version.file_size ? " / " + size_text(version.file_size) : std::string(),
count_text(package.downloads), date_text(package.date_updated)).c_str());
end_row();
ImGui::PopID();
});
ImGui::EndDisabled();
keep_focus_in_list();
ImGui::EndChild();
}
namespace {
// ---------------------------------------------------------------- READMEs
constexpr std::uint64_t max_readme_bytes = 512 * 1024;
void readme_worker(Readmes& readmes) {
std::atomic<bool> never{};
for (;;) {
Readmes::Job job;
{
std::unique_lock lock(readmes.mutex);
readmes.wake.wait(lock, [&] { return readmes.stop || !readmes.queue.empty(); });
if (readmes.stop) break;
job = std::move(readmes.queue.front());
readmes.queue.pop_front();
}
Readmes::Done done{job.key, {}, false};
try {
done.markdown = ts::parse_readme(fetch(job.url, max_readme_bytes, never));
} catch (const std::exception& failure) {
done.failed = true;
logging::write(logging::Level::warning, logging::Channel::launcher,
std::string("Could not get the README of ") + job.key + ": " + failure.what());
}
std::lock_guard lock(readmes.mutex);
readmes.done.push_back(std::move(done));
}
}
// The entry to draw, asked for or read the first time. Null: nothing to show.
const Readmes::Entry* readme_for(ModsPanel& panel, const ts::Package* package, const mods::Mod* mod) {
auto& readmes = panel.readmes;
{
std::lock_guard lock(readmes.mutex);
for (auto& done : readmes.done) {
auto& entry = readmes.entries[done.key];
entry.loading = false;
entry.failed = done.failed;
entry.readme = ts::readme_lines(done.markdown);
}
readmes.done.clear();
}
// An installed mod's own README.md is what is on this PC, so it comes first.
if (mod) {
const auto key = "folder:" + mod->name + ":" + mod->version;
auto found = readmes.entries.find(key);
if (found == readmes.entries.end()) {
Readmes::Entry entry;
std::error_code error;
const auto file = mod->directory / "README.md";
if (const auto size = fs::file_size(file, error); !error && size > 0 && size <= max_readme_bytes) {
const auto bytes = read_bytes(file);
std::string_view text(reinterpret_cast<const char*>(bytes.data()), bytes.size());
if (text.starts_with("\xef\xbb\xbf")) text.remove_prefix(3);
entry.readme = ts::readme_lines(text);
}
found = readmes.entries.emplace(key, std::move(entry)).first;
}
if (!found->second.readme.lines.empty()) return &found->second;
}
if (!package) return nullptr;
const auto key = package->latest().full_name;
auto found = readmes.entries.find(key);
if (found == readmes.entries.end()) {
found = readmes.entries.emplace(key, Readmes::Entry{true, false, {}}).first;
{
std::lock_guard lock(readmes.mutex);
readmes.queue.push_back({key, ts::readme_url(*package)});
}
if (!readmes.worker.joinable()) readmes.worker = std::thread([&readmes] { readme_worker(readmes); });
readmes.wake.notify_one();
}
return &found->second;
}
} // namespace
// The two columns of an overview, under its header: the README on the left, the facts in a panel
// of their own on the right. Both are as tall as the room above the overview's last row.
OverviewColumns overview_columns(float popup_height) {
OverviewColumns columns;
columns.gap = S(18);
columns.height = std::max(S(140), popup_height - ImGui::GetCursorPosY() - S(24) - ImGui::GetFrameHeight() - S(12));
const float room = ImGui::GetContentRegionAvail().x;
columns.details = std::clamp(room * 0.32f, S(220), S(320));
columns.readme = room - columns.details - columns.gap;
return columns;
}
void begin_overview_details(const char* id, const OverviewColumns& columns) {
ImGui::SameLine(0, columns.gap);
ImGui::PushStyleColor(ImGuiCol_ChildBg, ImGui::ColorConvertU32ToFloat4(rgba(31, 31, 34)));
ImGui::PushStyleVar(ImGuiStyleVar_ChildRounding, S(6));
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(S(16), S(14)));
ImGui::BeginChild(id, ImVec2(columns.details, columns.height),
ImGuiChildFlags_AlwaysUseWindowPadding | ImGuiChildFlags_NavFlattened);
ImGui::PushTextWrapPos(0);
}
void end_overview_details() {
ImGui::PopTextWrapPos();
ImGui::EndChild();
ImGui::PopStyleVar(2);
ImGui::PopStyleColor();
}
void overview_fact(const Fonts& fonts, const char* name, const std::string& value) {
if (value.empty()) return;
field(fonts, name, value);
ImGui::Dummy(ImVec2(0, S(6)));
}
void draw_readme(const Fonts& fonts, const thunderstore::Readme& readme) {
using Kind = ts::ReadmeLine::Kind;
ImGui::PushTextWrapPos(0);
for (const auto& line : readme.lines) {
switch (line.kind) {
case Kind::heading:
if (&line != &readme.lines.front()) ImGui::Dummy(ImVec2(0, S(8)));
ImGui::PushFont(fonts.bold);
ImGui::TextUnformatted(line.text.c_str());
ImGui::PopFont();
break;
case Kind::bullet:
ImGui::Bullet();
ImGui::TextUnformatted(line.text.c_str());
break;
case Kind::code:
ImGui::PushStyleColor(ImGuiCol_Text, ImGui::GetStyleColorVec4(ImGuiCol_TextDisabled));
ImGui::TextUnformatted(line.text.c_str());
ImGui::PopStyleColor();
break;
case Kind::rule: ImGui::Separator(); break;
case Kind::gap: ImGui::Spacing(); break;
case Kind::text: ImGui::TextUnformatted(line.text.c_str()); break;
}
}
ImGui::PopTextWrapPos();
}
bool readme_field(const Fonts& fonts, ModsPanel& panel, const thunderstore::Package* package, const mods::Mod* mod) {
const auto* entry = readme_for(panel, package, mod);
if (!entry || (!entry->loading && !entry->failed && entry->readme.lines.empty())) return false;
if (entry->loading) {
ImGui::TextDisabled("Loading the README...");
return true;
}
if (entry->failed) {
ImGui::TextDisabled("Could not load the README. It is on the mod's Thunderstore page.");
return true;
}
draw_readme(fonts, entry->readme);
if (entry->readme.cut) ImGui::TextDisabled("The rest is on the mod's Thunderstore page.");
return true;
}
void package_overview(const Fonts& fonts, ModsPanel& panel, ImVec2 size, bool installing) {
auto& store = panel.store;
if (store.selected.empty()) return;
const ts::Package* selected = nullptr;
for (const auto& package : store.packages)
if (package.full_name == store.selected) selected = &package;
if (!selected) {
store.selected.clear();
return;
}
const auto& package = *selected;
const auto& version = package.latest();
const auto installed = installed_versions(panel.list);
const auto found = installed.find(ts::folder_for(package.full_name));
if (!store.overview) {
ImGui::OpenPopup("##package_overview");
store.overview = true;
}
const ImVec2 extent(std::min(S(1080), size.x - S(80)), std::min(S(740), size.y - S(60)));
ImGui::SetNextWindowPos(ImVec2((size.x - extent.x) * 0.5f, (size.y - extent.y) * 0.5f));
ImGui::SetNextWindowSize(extent);
if (!ImGui::BeginPopupModal("##package_overview", nullptr,
ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoSavedSettings)) {
store.overview = false; // dismissed with Escape
store.selected.clear();
return;
}
const auto close = [&] {
store.overview = false;
store.selected.clear();
ImGui::CloseCurrentPopup();
};
// The icon, with the name, who made it and its one-line description beside it.
const float icon = S(104), header_top = ImGui::GetCursorPosY();
mod_icon(panel, &package, ImGui::GetCursorScreenPos(), icon);
ImGui::SetCursorPosX(ImGui::GetCursorPosX() + icon + S(20));
ImGui::BeginGroup();
ImGui::PushTextWrapPos(0);
ImGui::PushFont(fonts.heading);
ImGui::TextUnformatted(package.title().c_str());
ImGui::PopFont();
ImGui::TextDisabled("by %s", package.owner.c_str());
if (!version.description.empty()) {
ImGui::Dummy(ImVec2(0, S(4)));
ImGui::TextUnformatted(version.description.c_str());
}
ImGui::PopTextWrapPos();
ImGui::EndGroup();
ImGui::SetCursorPosY(std::max(ImGui::GetCursorPosY(), header_top + icon) + S(14));
const bool tool = package.in_category("Tools") && !package.in_category("Mods");
if (tool) {
push_primary_button();
if (ImGui::Button("GET IT ON THUNDERSTORE", ImVec2(0, S(34)))) open_url(package.package_url);
pop_primary_button();
} else {
ImGui::BeginDisabled(installing);
push_primary_button();
if (ImGui::Button(action_label(package, installed).c_str(), ImVec2(0, S(34)))) {
start_store_install(panel, {package});
close();
}
pop_primary_button();
ImGui::EndDisabled();
if (!package.package_url.empty()) {
ImGui::SameLine();
if (ImGui::Button("Thunderstore page", ImVec2(0, S(34)))) open_url(package.package_url);
}
}
if (version.website_url.starts_with("https://")) {
ImGui::SameLine();
if (ImGui::Button("Website", ImVec2(0, S(34)))) open_url(version.website_url);
}
ImGui::Spacing();
ImGui::Dummy(ImVec2(0, S(6)));
const auto columns = overview_columns(extent.y);
ImGui::BeginChild("##overview_body", ImVec2(columns.readme, columns.height), ImGuiChildFlags_NavFlattened);
ImGui::PushTextWrapPos(0);
if (package.deprecated)
ImGui::TextColored(ImGui::ColorConvertU32ToFloat4(color::warning),
"Deprecated: its author no longer supports it.");
if (package.nsfw)
ImGui::TextColored(ImGui::ColorConvertU32ToFloat4(color::warning), "Marked as not safe for work.");
if (!readme_field(fonts, panel, &package, nullptr)) ImGui::TextDisabled("This mod has no README.");
ImGui::PopTextWrapPos();
ImGui::EndChild();
begin_overview_details("##overview_details", columns);
overview_fact(fonts, "VERSION", "v" + version.number);
if (found != installed.end())
overview_fact(fonts, "INSTALLED", found->second.empty() ? std::string("yes") : "v" + found->second);
overview_fact(fonts, "DOWNLOADS", count_text(package.downloads));
overview_fact(fonts, "UPDATED", date_text(package.date_updated));
if (version.file_size) overview_fact(fonts, "SIZE", size_text(version.file_size));
std::string names;
for (const auto& category : package.categories) names += (names.empty() ? "" : ", ") + category;
overview_fact(fonts, "CATEGORIES", names);
overview_fact(fonts, "FOLDER", "Mods\\" + ts::folder_for(package.full_name));
end_overview_details();
ImGui::SetCursorPosY(extent.y - S(24) - ImGui::GetFrameHeight());
bool ticked = picked(store, package.full_name);
ImGui::BeginDisabled(tool);
if (ImGui::Checkbox("Install with the others I tick", &ticked)) pick(store, package.full_name, ticked);
ImGui::EndDisabled();
ImGui::SameLine(extent.x - S(28) - S(110));
// Escape too, and so a controller's B: the modal has no other way out but CLOSE.
if (ImGui::Button("CLOSE", ImVec2(S(110), 0)) || ImGui::IsKeyPressed(ImGuiKey_Escape, false)) close();
ImGui::EndPopup();
}
} // namespace dingosdk::launcher_gui::detail
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