h2-mod/src/client/component/mods.cpp
2022-10-05 00:07:04 +02:00

161 lines
3.1 KiB
C++

#include <std_include.hpp>
#include "loader/component_loader.hpp"
#include "game/game.hpp"
#include "command.hpp"
#include "console.hpp"
#include "scheduler.hpp"
#include "filesystem.hpp"
#include "fonts.hpp"
#include "mods.hpp"
#include "localized_strings.hpp"
#include "loadscreen.hpp"
#include <utils/hook.hpp>
#include <utils/io.hpp>
namespace mods
{
std::string mod_path{};
namespace
{
utils::hook::detour db_release_xassets_hook;
bool release_assets = false;
void db_release_xassets_stub()
{
if (release_assets)
{
fonts::clear();
loadscreen::clear();
}
localized_strings::clear();
db_release_xassets_hook.invoke<void>();
}
void restart()
{
scheduler::once([]()
{
release_assets = true;
const auto _0 = gsl::finally([]()
{
release_assets = false;
});
game::Com_Shutdown("");
}, scheduler::pipeline::main);
}
void full_restart(const std::string& arg)
{
utils::nt::relaunch_self(" -singleplayer "s.append(arg), true);
utils::nt::terminate();
}
}
bool mod_requires_restart(const std::string& path)
{
return utils::io::file_exists(path + "/mod.ff") || utils::io::file_exists(path + "/zone/mod.ff");
}
class component final : public component_interface
{
public:
void post_unpack() override
{
if (!utils::io::directory_exists("mods"))
{
utils::io::create_directory("mods");
}
db_release_xassets_hook.create(0x140416A80, db_release_xassets_stub);
command::add("loadmod", [](const command::params& params)
{
if (params.size() < 2)
{
console::info("Usage: loadmod mods/<modname>");
return;
}
if (!game::Com_InFrontend())
{
console::error("Cannot load mod while in-game!\n");
game::CG_GameMessage(0, "^1Cannot unload mod while in-game!", 0);
return;
}
const auto path = params.get(1);
if (!utils::io::directory_exists(path))
{
console::error("Mod %s not found!\n", path);
return;
}
console::info("Loading mod %s\n", path);
if (mod_requires_restart(mod_path) || mod_requires_restart(path))
{
// vid_restart is still broken :(
console::info("Restarting...\n");
full_restart("-mod "s + path);
}
else
{
filesystem::unregister_path(mod_path);
filesystem::register_path(path);
mod_path = path;
restart();
}
});
command::add("unloadmod", [](const command::params& params)
{
if (mod_path.empty())
{
console::info("No mod loaded\n");
return;
}
if (!game::Com_InFrontend())
{
console::error("Cannot unload mod while in-game!\n");
game::CG_GameMessage(0, "^1Cannot unload mod while in-game!", 0);
return;
}
console::info("Unloading mod %s\n", mod_path.data());
if (mod_requires_restart(mod_path))
{
console::info("Restarting...\n");
full_restart("");
}
else
{
filesystem::unregister_path(mod_path);
mod_path.clear();
restart();
}
});
command::add("com_restart", []()
{
if (!game::Com_InFrontend())
{
return;
}
restart();
});
}
};
}
REGISTER_COMPONENT(mods::component)