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ReSkate/Launcher/gui_mods.cpp
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AyeZeeBB ca1d82f636 1.0.0 Release!
2026-10-02 14:40:41 -05:00

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#include "gui_internal.h"
#include "mod_manager.h"
#include "Engine/Core/Log/logging.h"
#include <shobjidl.h>
#include <wrl/client.h>
#include <format>
using Microsoft::WRL::ComPtr;
// The Mods panel: install order, enabled state and installs in the background.
namespace dingosdk::launcher_gui::detail {
namespace {
void save(ModsPanel& panel) {
try {
mods::save_mod_order(panel.root, panel.list.entries);
panel.list.issue.clear();
panel.message = "Saved. Changes apply the next time Skate starts.";
panel.message_error = false;
} catch (const std::exception& failure) {
panel.message = failure.what();
panel.message_error = true;
}
}
// Picks up a finished install: rescan and select the new mod, or ask to replace.
void collect_install(ModsPanel& panel, const launcher_app::Session& session) {
std::lock_guard lock(panel.mutex);
if (!panel.finished) return;
panel.finished = false;
panel.progress = -1;
if (!panel.finished_conflict.empty()) {
panel.conflict_name = panel.finished_conflict;
panel.conflict_source = panel.finished_source;
panel.message.clear();
return;
}
scan(panel, session);
if (!panel.finished_error.empty()) {
panel.message = panel.finished_error;
panel.message_error = true;
return;
}
for (std::size_t i = 0; i < panel.list.entries.size(); ++i)
if (panel.list.entries[i].mod.name == panel.finished_name) panel.selected = static_cast<int>(i);
panel.message_error = false;
if (!panel.finished_note.empty()) {
panel.message = panel.finished_note; // Thunderstore installs say what they did and log it themselves
panel.finished_note.clear();
return;
}
panel.message = "Installed " + panel.finished_name + ". It loads the next time Skate starts.";
logging::write(logging::Level::info, logging::Channel::launcher, "Mod installed: " + panel.finished_name);
}
// INSTALLED and BROWSE, styled like Settings' tabs; a blue count marks updates.
void mods_tabs(ModsPanel& panel, std::size_t updates) {
static constexpr std::array<const char*, 2> names{"INSTALLED", "BROWSE"};
for (int i = 0; i < static_cast<int>(names.size()); ++i) {
if (i) ImGui::SameLine(0, S(6));
const bool selected = panel.tab == i;
if (selected) push_primary_button();
if (ImGui::Button(names[static_cast<std::size_t>(i)], ImVec2(S(150), S(34)))) panel.tab = i;
if (selected) pop_primary_button();
if (i == 0 && updates) {
const auto corner = ImGui::GetItemRectMax();
const auto text = std::to_string(updates);
const ImVec2 centre(corner.x - S(4), ImGui::GetItemRectMin().y + S(4));
auto* draw = ImGui::GetWindowDrawList();
draw->AddCircleFilled(centre, S(10), color::blue);
const auto extent = ImGui::CalcTextSize(text.c_str());
draw->AddText(ImVec2(centre.x - extent.x * 0.5f, centre.y - extent.y * 0.5f), color::ink, text.c_str());
if (ImGui::IsItemHovered()) ImGui::SetTooltip(updates == 1 ? "1 update on Thunderstore" : "%s updates on Thunderstore", text.c_str());
}
}
ImGui::Spacing();
}
// The Windows file (or folder) picker; empty when cancelled.
fs::path pick(HWND owner, bool folder) {
ComPtr<IFileOpenDialog> dialog;
if (FAILED(CoCreateInstance(CLSID_FileOpenDialog, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&dialog)))) return {};
FILEOPENDIALOGOPTIONS options{};
dialog->GetOptions(&options);
dialog->SetOptions(options | FOS_FORCEFILESYSTEM | FOS_PATHMUSTEXIST | (folder ? FOS_PICKFOLDERS : FOS_FILEMUSTEXIST));
if (!folder) {
const COMDLG_FILTERSPEC filter[]{{L"Mod archive (*.zip)", L"*.zip"}};
dialog->SetFileTypes(1, filter);
}
dialog->SetTitle(folder ? L"Choose a mod folder to install" : L"Choose a mod .zip to install");
if (FAILED(dialog->Show(owner))) return {};
ComPtr<IShellItem> item;
PWSTR path{};
if (FAILED(dialog->GetResult(&item)) || FAILED(item->GetDisplayName(SIGDN_FILESYSPATH, &path))) return {};
fs::path result(path);
CoTaskMemFree(path);
return result;
}
std::string summary(const mods::Mod& mod, bool excluded = false) {
std::vector<std::string> parts;
if (!mod.version.empty()) parts.push_back("v" + mod.version);
if (!mod.author.empty()) parts.push_back("by " + mod.author);
if (!mod.levels.empty()) parts.push_back(mod.levels.size() == 1 ? "1 map" : std::to_string(mod.levels.size()) + " maps");
else if (mod.provides_layout) parts.push_back("game data");
if (!mod.park_maps.empty()) parts.push_back(mod.park_maps.size() == 1 ? "1 park" : std::to_string(mod.park_maps.size()) + " parks");
if (!mod.provides_layout && !mod.provides_levels && mod.park_maps.empty()) parts.push_back("nothing to load");
if (excluded) parts.insert(parts.begin(), "NOT LOADED: could not be merged");
if (!mod.outdated.empty()) parts.insert(parts.begin(), "OUTDATED: update it for this game version");
std::string text;
for (const auto& part : parts) text += (text.empty() ? "" : " / ") + part;
return text;
}
// The INSTALLED page body: install order and enabled state, and the selected mod's details.
void installed_page(const Fonts& fonts, ModsPanel& panel, const thunderstore::Installed& installed, float body,
bool installing) {
auto& entries = panel.list.entries;
const float list_width = (ImGui::GetContentRegionAvail().x - S(16)) * 0.58f;
// ------------------------------------------------ list
ImGui::BeginChild("##mod_list", ImVec2(list_width, body), ImGuiChildFlags_Borders);
bool changed = false;
int move_from = -1, move_to = -1;
if (entries.empty()) {
ImGui::Spacing();
ImGui::TextDisabled(panel.list.present ? "No mods installed yet." : "No Mods folder yet.");
ImGui::TextDisabled("Use Install below, or drop a mod .zip on the window.");
}
ImGui::BeginDisabled(installing);
const float arrows = ImGui::GetFrameHeight() * 2 + ImGui::GetStyle().ItemSpacing.x;
for (int i = 0; i < static_cast<int>(entries.size()); ++i) {
auto& entry = entries[static_cast<std::size_t>(i)];
ImGui::PushID(i);
if (ImGui::Checkbox("##enabled", &entry.enabled)) changed = true;
if (ImGui::IsItemHovered()) ImGui::SetTooltip(entry.enabled ? "Enabled: loads when Skate starts" : "Disabled");
ImGui::SameLine();
const auto label = std::to_string(i + 1) + ". " + entry.mod.title;
ImGui::PushFont(fonts.bold);
if (!entry.enabled) ImGui::PushStyleColor(ImGuiCol_Text, ImGui::ColorConvertU32ToFloat4(color::muted));
if (ImGui::Selectable(label.c_str(), panel.selected == i, ImGuiSelectableFlags_AllowOverlap,
ImVec2(ImGui::GetContentRegionAvail().x - arrows - S(8), 0)))
panel.selected = i;
if (!entry.enabled) ImGui::PopStyleColor();
ImGui::PopFont();
ImGui::SameLine(ImGui::GetWindowContentRegionMax().x - arrows);
ImGui::BeginDisabled(i == 0);
if (ImGui::ArrowButton("##up", ImGuiDir_Up)) { move_from = i; move_to = i - 1; }
ImGui::EndDisabled();
ImGui::SameLine();
ImGui::BeginDisabled(i + 1 == static_cast<int>(entries.size()));
if (ImGui::ArrowButton("##down", ImGuiDir_Down)) { move_from = i; move_to = i + 1; }
ImGui::EndDisabled();
const bool left_out = panel.list.excluded.contains(entry.mod.name);
const auto* package = package_for(panel.store, entry.mod.name);
const bool update = package && thunderstore::update_available(*package, installed);
if (const auto detail = summary(entry.mod, left_out); !detail.empty() || update) {
ImGui::SetCursorPosX(ImGui::GetCursorPosX() + ImGui::GetFrameHeight() + ImGui::GetStyle().ItemSpacing.x);
if (update) {
ImGui::TextColored(ImGui::ColorConvertU32ToFloat4(color::blue), "UPDATE v%s", package->latest().number.c_str());
if (!detail.empty()) ImGui::SameLine();
}
if (!detail.empty()) ImGui::TextDisabled("%s", detail.c_str());
}
ImGui::Spacing();
ImGui::PopID();
}
ImGui::EndDisabled();
ImGui::EndChild();
if (move_from >= 0) {
std::swap(entries[static_cast<std::size_t>(move_from)], entries[static_cast<std::size_t>(move_to)]);
if (panel.selected == move_from) panel.selected = move_to;
else if (panel.selected == move_to) panel.selected = move_from;
changed = true;
}
if (changed) save(panel);
// ------------------------------------------------ details
ImGui::SameLine(0, S(16));
ImGui::BeginChild("##mod_details", ImVec2(0, body), ImGuiChildFlags_Borders);
if (panel.selected >= 0 && panel.selected < static_cast<int>(entries.size())) {
const auto& entry = entries[static_cast<std::size_t>(panel.selected)];
const auto& mod = entry.mod;
ImGui::PushFont(fonts.heading);
ImGui::PushTextWrapPos(0);
ImGui::TextUnformatted(mod.title.c_str());
ImGui::PopTextWrapPos();
ImGui::PopFont();
ImGui::TextDisabled("%s", entry.enabled ? "Enabled" : "Disabled");
ImGui::Spacing();
const auto field = [&](const char* name, const std::string& value) {
if (value.empty()) return;
ImGui::PushFont(fonts.caption);
ImGui::TextDisabled("%s", name);
ImGui::PopFont();
ImGui::PushTextWrapPos(0);
ImGui::TextUnformatted(value.c_str());
ImGui::PopTextWrapPos();
};
if (!mod.outdated.empty()) {
ImGui::PushTextWrapPos(0);
ImGui::TextColored(ImGui::ColorConvertU32ToFloat4(color::danger),
"Outdated: this mod does not load. It was made for another version of Skate (%s). Get an updated "
"version, or rebuild it with the latest ReSkate Studio.", mod.outdated.c_str());
ImGui::PopTextWrapPos();
ImGui::Spacing();
}
if (const auto left_out = panel.list.excluded.find(mod.name); left_out != panel.list.excluded.end()) {
ImGui::PushTextWrapPos(0);
ImGui::TextColored(ImGui::ColorConvertU32ToFloat4(color::danger),
"Not loaded: the game could not merge this mod cleanly, so none of it is used. Reinstall the whole "
"mod folder, or rebuild it with a current ReSkate Studio.");
if (!left_out->second.empty()) ImGui::TextDisabled("%s", left_out->second.front().c_str());
ImGui::PopTextWrapPos();
ImGui::Spacing();
}
field("AUTHOR", mod.author);
field("VERSION", mod.version);
field("DESCRIPTION", mod.description);
field("FOLDER", "Mods\\" + mod.name);
const auto* package = package_for(panel.store, mod.name);
const bool update = package && thunderstore::update_available(*package, installed);
if (package)
field("THUNDERSTORE", package->full_name + (update ? " (v" + package->latest().number + " available)"
: std::string(" (up to date)")));
if (!mod.tool.empty() || !mod.built.empty())
field("BUILT WITH", mod.tool + (mod.built.empty() ? "" : (mod.tool.empty() ? "" : ", ") + mod.built));
std::string levels;
for (const auto& level : mod.levels) {
const auto slash = level.rfind('/');
levels += (levels.empty() ? "" : "\n") + (slash == std::string::npos ? level : level.substr(slash + 1));
}
field("MAPS", levels);
std::string parks;
for (const auto& map : mod.park_maps) parks += (parks.empty() ? "" : ", ") + map;
field("PARKS", parks);
if (!mod.provides_layout && !mod.provides_levels && mod.park_maps.empty())
field("NOTE", "This folder has no layout.toc or reskate-levels.json, so the game has nothing to load from it.");
ImGui::Spacing();
if (update) {
ImGui::BeginDisabled(installing);
push_primary_button();
if (ImGui::Button(("UPDATE TO v" + package->latest().number).c_str())) start_store_install(panel, {*package});
pop_primary_button();
ImGui::EndDisabled();
ImGui::SameLine();
}
if (ImGui::Button("Open folder")) open_path(mod.directory);
if (package && !package->package_url.empty()) {
ImGui::SameLine();
if (ImGui::Button("Thunderstore page"))
open_url(package->package_url);
}
ImGui::SameLine();
ImGui::BeginDisabled(installing);
ImGui::PushStyleColor(ImGuiCol_Text, ImGui::ColorConvertU32ToFloat4(color::danger));
if (ImGui::Button("Remove")) panel.confirm_remove = mod.name;
ImGui::PopStyleColor();
ImGui::EndDisabled();
} else {
ImGui::Spacing();
ImGui::TextDisabled("Select a mod to see its details.");
if (!panel.list.missing.empty()) {
ImGui::Spacing();
ImGui::PushTextWrapPos(0);
std::string missing;
for (const auto& name : panel.list.missing) missing += (missing.empty() ? "" : ", ") + name;
ImGui::TextDisabled("mods.json also lists folders that are not installed: %s", missing.c_str());
ImGui::PopTextWrapPos();
}
}
ImGui::EndChild();
}
} // namespace
void scan(ModsPanel& panel, const launcher_app::Session& session) {
panel.root = launcher_mods::mods_root(session.paths.directory);
panel.list = mods::scan_mods(panel.root.parent_path());
panel.scanned = true;
if (panel.selected >= static_cast<int>(panel.list.entries.size())) panel.selected = -1;
}
void start_install(ModsPanel& panel, const fs::path& source, bool replace) {
if (panel.installing) return;
if (panel.worker.joinable()) panel.worker.join();
panel.installing = true;
panel.cancel = false;
panel.progress = 0;
panel.message = "Installing " + utf8(source.filename().wstring()) + "...";
panel.message_error = false;
const auto root = panel.root;
panel.worker = std::thread([&panel, root, source, replace] {
std::string name, error, conflict;
try {
name = launcher_mods::install(root, source, replace,
[&panel](float fraction) { panel.progress = fraction; }, panel.cancel);
} catch (const launcher_mods::AlreadyInstalled& existing) {
conflict = existing.name;
} catch (const std::exception& failure) {
error = failure.what();
}
std::lock_guard lock(panel.mutex);
panel.finished = true;
panel.finished_name = name;
panel.finished_error = error;
panel.finished_conflict = conflict;
panel.finished_source = source;
panel.installing = false;
});
}
void mods_window(Launcher& launcher, const Fonts& fonts, ImVec2 size, Ui& ui, ModsPanel& panel, HWND window) {
const auto& session = launcher.session();
if (!panel.scanned) scan(panel, session);
collect_install(panel, session);
refresh_listing(panel, ImGui::GetTime());
const auto frame = begin_panel("##mods_panel", size, ImVec2(S(960), S(620)));
const bool installing = panel.installing;
auto& entries = panel.list.entries;
const auto installed = installed_versions(panel.list);
const auto pending = updates(panel.store, installed);
const bool browsing = panel.tab == 1;
panel_title(fonts, "MODS");
mods_tabs(panel, pending.size());
ImGui::PushTextWrapPos(0);
if (browsing)
ImGui::TextDisabled("Mods published on Thunderstore (thunderstore.io/c/reskate). Installed mods load the next "
"time Skate starts; updates appear here and on the INSTALLED tab.");
else
ImGui::TextDisabled("Mods load top to bottom: where two mods change the same thing, the higher one wins. "
"Changes apply the next time Skate starts. Drop a .zip or a mod folder on this window to install it.");
ImGui::PopTextWrapPos();
if (launcher.game())
ImGui::TextColored(ImGui::ColorConvertU32ToFloat4(color::warning), "Skate is running: restart it to apply changes.");
if (!panel.list.issue.empty()) {
ImGui::PushTextWrapPos(0);
ImGui::TextColored(ImGui::ColorConvertU32ToFloat4(color::danger),
"mods.json could not be read (%s), so the game loads no mods. Any change here rewrites it.",
panel.list.issue.c_str());
ImGui::PopTextWrapPos();
}
ImGui::Spacing();
const float footer = ImGui::GetFrameHeightWithSpacing() * 2 + S(30);
const float body = std::max(S(120), frame.y - ImGui::GetCursorPosY() - footer);
if (browsing) browse_page(fonts, panel, body, installing);
else installed_page(fonts, panel, installed, body, installing);
// ------------------------------------------------ status and actions
ImGui::Spacing();
if (installing) {
std::string activity;
{
std::lock_guard lock(panel.mutex);
activity = panel.activity;
}
const float fraction = std::clamp(panel.progress.load(), 0.0f, 1.0f);
const auto overlay = activity.empty() ? std::string() : std::format("{} {:.0f}%", activity, fraction * 100);
ImGui::ProgressBar(fraction, ImVec2(-S(120), 0), overlay.empty() ? nullptr : overlay.c_str());
ImGui::SameLine();
if (ImGui::Button("Cancel", ImVec2(-1, 0))) panel.cancel = true;
} else if (!panel.message.empty()) {
ImGui::PushTextWrapPos(0);
ImGui::TextColored(ImGui::ColorConvertU32ToFloat4(panel.message_error ? color::danger : color::good), "%s",
panel.message.c_str());
ImGui::PopTextWrapPos();
}
ImGui::SetCursorPosY(frame.y - S(24) - ImGui::GetFrameHeight());
ImGui::BeginDisabled(installing);
if (browsing) {
if (ImGui::Button("Open Thunderstore")) open_url(utf8(thunderstore::community_page(thunderstore::community())));
ImGui::SameLine();
ImGui::BeginDisabled(panel.store.loading);
if (ImGui::Button("Refresh")) { scan(panel, session); refresh_listing(panel, ImGui::GetTime(), true); panel.message.clear(); }
ImGui::EndDisabled();
} else {
if (ImGui::Button("Install .zip"))
if (const auto path = pick(window, false); !path.empty()) start_install(panel, path, false);
ImGui::SameLine();
if (ImGui::Button("Install folder"))
if (const auto path = pick(window, true); !path.empty()) start_install(panel, path, false);
ImGui::SameLine();
if (ImGui::Button("Open Mods folder")) open_path(panel.root);
ImGui::SameLine();
if (ImGui::Button("Refresh")) { scan(panel, session); panel.message.clear(); }
if (!pending.empty()) {
ImGui::SameLine();
if (ImGui::Button(std::format("Update all ({})", pending.size()).c_str())) {
std::vector<thunderstore::Package> packages;
for (const auto* package : pending) packages.push_back(*package);
start_store_install(panel, std::move(packages));
}
}
}
ImGui::SameLine(frame.x - S(28) - S(110));
push_primary_button();
if (ImGui::Button("DONE", ImVec2(S(110), 0))) { ui.mods = false; panel.message.clear(); panel.scanned = false; }
pop_primary_button();
ImGui::EndDisabled();
// ------------------------------------------------ confirmations
if (!panel.confirm_remove.empty() && !ImGui::IsPopupOpen("Remove mod")) ImGui::OpenPopup("Remove mod");
if (!panel.conflict_name.empty() && !ImGui::IsPopupOpen("Replace mod")) ImGui::OpenPopup("Replace mod");
ImGui::SetNextWindowSize(ImVec2(S(440), 0));
if (ImGui::BeginPopupModal("Remove mod", nullptr, ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove)) {
ImGui::PushTextWrapPos(0);
ImGui::Text("Remove \"%s\"? Its folder goes to the Recycle Bin.", panel.confirm_remove.c_str());
ImGui::PopTextWrapPos();
ImGui::Spacing();
if (ImGui::Button("Cancel", ImVec2(S(110), 0))) { panel.confirm_remove.clear(); ImGui::CloseCurrentPopup(); }
ImGui::SameLine();
push_primary_button();
if (ImGui::Button("REMOVE", ImVec2(S(110), 0))) {
const auto name = panel.confirm_remove;
try {
launcher_mods::remove(panel.root, name);
std::erase_if(entries, [&](const auto& entry) { return entry.mod.name == name; });
save(panel);
panel.message = "Removed " + name + ". It is in the Recycle Bin if you want it back.";
panel.selected = -1;
logging::write(logging::Level::info, logging::Channel::launcher, "Mod removed: " + name);
} catch (const std::exception& failure) {
panel.message = failure.what();
panel.message_error = true;
}
const auto message = panel.message;
const bool error = panel.message_error;
scan(panel, session);
panel.message = message;
panel.message_error = error;
panel.confirm_remove.clear();
ImGui::CloseCurrentPopup();
}
pop_primary_button();
ImGui::EndPopup();
}
ImGui::SetNextWindowSize(ImVec2(S(440), 0));
if (ImGui::BeginPopupModal("Replace mod", nullptr, ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove)) {
ImGui::PushTextWrapPos(0);
ImGui::Text("\"%s\" is already installed. Replace it? The installed copy goes to the Recycle Bin.",
panel.conflict_name.c_str());
ImGui::PopTextWrapPos();
ImGui::Spacing();
if (ImGui::Button("Cancel", ImVec2(S(110), 0))) {
panel.conflict_name.clear();
ImGui::CloseCurrentPopup();
}
ImGui::SameLine();
push_primary_button();
if (ImGui::Button("REPLACE", ImVec2(S(110), 0))) {
const auto source = panel.conflict_source;
panel.conflict_name.clear();
ImGui::CloseCurrentPopup();
start_install(panel, source, true);
}
pop_primary_button();
ImGui::EndPopup();
}
ImGui::End();
}
} // namespace dingosdk::launcher_gui::detail
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