61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
#include <std_include.hpp>
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#include "loader/module_loader.hpp"
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#include "utils/nt.hpp"
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#include "utils/string.hpp"
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#include "game/game.hpp"
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class game_launcher final : public module
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{
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public:
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void* load_import(const std::string& module, const std::string& function) override
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{
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if (utils::string::to_lower(module) == "shell32.dll" && function == "ShellExecuteA")
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{
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return shell_execute_a;
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}
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return nullptr;
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}
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private:
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static HINSTANCE __stdcall shell_execute_a(const HWND hwnd, const LPCSTR lp_operation, const LPCSTR lp_file,
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const LPCSTR lp_parameters, const LPCSTR lp_directory,
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const INT n_show_cmd)
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{
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static const auto sp_url = "steam://run/42680"s;
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static const auto mp_url = "steam://run/42690"s;
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if (lp_file && (sp_url == lp_file || mp_url == lp_file))
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{
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launch_game(sp_url == lp_file);
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return HINSTANCE(33);
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}
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return ShellExecuteA(hwnd, lp_operation, lp_file, lp_parameters, lp_directory, n_show_cmd);
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}
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static void launch_game(const bool singleplayer)
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{
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utils::nt::module self;
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STARTUPINFOA s_info;
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PROCESS_INFORMATION p_info;
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ZeroMemory(&s_info, sizeof(s_info));
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ZeroMemory(&p_info, sizeof(p_info));
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s_info.cb = sizeof(s_info);
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const auto path = self.get_path();
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std::string cmdline = utils::string::va("\"%s\" %s", path.data(),
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singleplayer ? "-singleplayer" : "-multiplayer");
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CreateProcessA(path.data(), cmdline.data(), nullptr, nullptr, false, NULL, nullptr, nullptr, &s_info, &p_info);
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if (p_info.hThread && p_info.hThread != INVALID_HANDLE_VALUE) CloseHandle(p_info.hThread);
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if (p_info.hProcess && p_info.hProcess != INVALID_HANDLE_VALUE) CloseHandle(p_info.hProcess);
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}
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};
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REGISTER_MODULE(game_launcher)
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