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citra/src/citra/citra.cpp

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <iostream>
#include <memory>
#include <regex>
#include <string>
#include <thread>
// This needs to be included before getopt.h because the latter #defines symbols used by it
#include "common/microprofile.h"
#include "citra/config.h"
#include "citra/emu_window/emu_window_sdl2.h"
#include "citra/emu_window/emu_window_sdl2_gl.h"
#include "citra/emu_window/emu_window_sdl2_sw.h"
#include "citra/emu_window/emu_window_sdl2_vk.h"
#include "common/common_paths.h"
#include "common/detached_tasks.h"
#include "common/file_util.h"
#include "common/logging/backend.h"
#include "common/logging/log.h"
#include "common/scm_rev.h"
#include "common/scope_exit.h"
#include "common/settings.h"
#include "common/string_util.h"
#include "core/core.h"
#include "core/dumping/backend.h"
#include "core/dumping/ffmpeg_backend.h"
#include "core/frontend/applets/default_applets.h"
#include "core/frontend/framebuffer_layout.h"
#include "core/hle/service/am/am.h"
#include "core/hle/service/cfg/cfg.h"
#include "core/movie.h"
#include "core/telemetry_session.h"
#include "input_common/main.h"
#include "network/network.h"
#include "video_core/gpu.h"
#include "video_core/renderer_base.h"
#ifdef __unix__
#include "common/linux/gamemode.h"
#endif
#undef _UNICODE
#include <getopt.h>
#ifndef _MSC_VER
#include <unistd.h>
#endif
#ifdef _WIN32
// windows.h needs to be included before shellapi.h
#include <windows.h>
#include <shellapi.h>
extern "C" {
// tells Nvidia drivers to use the dedicated GPU by default on laptops with switchable graphics
__declspec(dllexport) unsigned long NvOptimusEnablement = 0x00000001;
}
#endif
static void PrintHelp(const char* argv0) {
std::cout << "Usage: " << argv0
<< " [options] <filename>\n"
"-g, --gdbport=NUMBER Enable gdb stub on port NUMBER\n"
"-i, --install=FILE Installs a specified CIA file\n"
"-m, --multiplayer=nick:password@address:port"
" Nickname, password, address and port for multiplayer\n"
"-r, --movie-record=[file] Record a movie (game inputs) to the given file\n"
"-a, --movie-record-author=AUTHOR Sets the author of the movie to be recorded\n"
"-p, --movie-play=[file] Playback the movie (game inputs) from the given file\n"
"-d, --dump-video=[file] Dumps audio and video to the given video file\n"
"-f, --fullscreen Start in fullscreen mode\n"
"-h, --help Display this help and exit\n"
"-v, --version Output version information and exit\n";
}
static void PrintVersion() {
std::cout << "Citra " << Common::g_scm_branch << " " << Common::g_scm_desc << std::endl;
}
static void OnStateChanged(const Network::RoomMember::State& state) {
switch (state) {
case Network::RoomMember::State::Idle:
LOG_DEBUG(Network, "Network is idle");
break;
case Network::RoomMember::State::Joining:
LOG_DEBUG(Network, "Connection sequence to room started");
break;
case Network::RoomMember::State::Joined:
LOG_DEBUG(Network, "Successfully joined to the room");
break;
case Network::RoomMember::State::Moderator:
LOG_DEBUG(Network, "Successfully joined the room as a moderator");
break;
default:
break;
}
}
static void OnNetworkError(const Network::RoomMember::Error& error) {
switch (error) {
case Network::RoomMember::Error::LostConnection:
LOG_DEBUG(Network, "Lost connection to the room");
break;
case Network::RoomMember::Error::CouldNotConnect:
LOG_ERROR(Network, "Error: Could not connect");
std::exit(1);
break;
case Network::RoomMember::Error::NameCollision:
LOG_ERROR(
Network,
"You tried to use the same nickname as another user that is connected to the Room");
std::exit(1);
break;
case Network::RoomMember::Error::MacCollision:
LOG_ERROR(Network, "You tried to use the same MAC-Address as another user that is "
"connected to the Room");
std::exit(1);
break;
case Network::RoomMember::Error::ConsoleIdCollision:
LOG_ERROR(Network, "Your Console ID conflicted with someone else in the Room");
std::exit(1);
break;
case Network::RoomMember::Error::WrongPassword:
LOG_ERROR(Network, "Room replied with: Wrong password");
std::exit(1);
break;
case Network::RoomMember::Error::WrongVersion:
LOG_ERROR(Network,
"You are using a different version than the room you are trying to connect to");
std::exit(1);
break;
case Network::RoomMember::Error::RoomIsFull:
LOG_ERROR(Network, "The room is full");
std::exit(1);
break;
case Network::RoomMember::Error::HostKicked:
LOG_ERROR(Network, "You have been kicked by the host");
break;
case Network::RoomMember::Error::HostBanned:
LOG_ERROR(Network, "You have been banned by the host");
break;
default:
LOG_ERROR(Network, "Unknown network error: {}", error);
break;
}
}
static void OnMessageReceived(const Network::ChatEntry& msg) {
std::cout << std::endl << msg.nickname << ": " << msg.message << std::endl << std::endl;
}
static void OnStatusMessageReceived(const Network::StatusMessageEntry& msg) {
std::string message;
switch (msg.type) {
case Network::IdMemberJoin:
message = fmt::format("{} has joined", msg.nickname);
break;
case Network::IdMemberLeave:
message = fmt::format("{} has left", msg.nickname);
break;
case Network::IdMemberKicked:
message = fmt::format("{} has been kicked", msg.nickname);
break;
case Network::IdMemberBanned:
message = fmt::format("{} has been banned", msg.nickname);
break;
case Network::IdAddressUnbanned:
message = fmt::format("{} has been unbanned", msg.nickname);
break;
}
if (!message.empty())
std::cout << std::endl << "* " << message << std::endl << std::endl;
}
/// Application entry point
int main(int argc, char** argv) {
Common::Log::Initialize();
Common::Log::SetColorConsoleBackendEnabled(true);
Common::Log::Start();
Common::DetachedTasks detached_tasks;
Config config;
int option_index = 0;
bool use_gdbstub = Settings::values.use_gdbstub.GetValue();
u32 gdb_port = static_cast<u32>(Settings::values.gdbstub_port.GetValue());
std::string movie_record;
std::string movie_record_author;
std::string movie_play;
std::string dump_video;
char* endarg;
#ifdef _WIN32
int argc_w;
auto argv_w = CommandLineToArgvW(GetCommandLineW(), &argc_w);
if (argv_w == nullptr) {
LOG_CRITICAL(Frontend, "Failed to get command line arguments");
return -1;
}
#endif
std::string filepath;
bool use_multiplayer = false;
bool fullscreen = false;
std::string nickname{};
std::string password{};
std::string address{};
u16 port = Network::DefaultRoomPort;
static struct option long_options[] = {
{"gdbport", required_argument, 0, 'g'},
{"install", required_argument, 0, 'i'},
{"multiplayer", required_argument, 0, 'm'},
{"movie-record", required_argument, 0, 'r'},
{"movie-record-author", required_argument, 0, 'a'},
{"movie-play", required_argument, 0, 'p'},
{"dump-video", required_argument, 0, 'd'},
{"fullscreen", no_argument, 0, 'f'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'v'},
{0, 0, 0, 0},
};
while (optind < argc) {
int arg = getopt_long(argc, argv, "g:i:m:r:p:fhv", long_options, &option_index);
if (arg != -1) {
switch (static_cast<char>(arg)) {
case 'g':
errno = 0;
gdb_port = strtoul(optarg, &endarg, 0);
use_gdbstub = true;
if (endarg == optarg)
errno = EINVAL;
if (errno != 0) {
perror("--gdbport");
exit(1);
}
break;
case 'i': {
const auto cia_progress = [](std::size_t written, std::size_t total) {
LOG_INFO(Frontend, "{:02d}%", (written * 100 / total));
};
if (Service::AM::InstallCIA(std::string(optarg), cia_progress) !=
Service::AM::InstallStatus::Success)
errno = EINVAL;
if (errno != 0)
exit(1);
break;
}
case 'm': {
use_multiplayer = true;
const std::string str_arg(optarg);
// regex to check if the format is nickname:password@ip:port
// with optional :password
const std::regex re("^([^:]+)(?::(.+))?@([^:]+)(?::([0-9]+))?$");
if (!std::regex_match(str_arg, re)) {
std::cout << "Wrong format for option --multiplayer\n";
PrintHelp(argv[0]);
return 0;
}
std::smatch match;
std::regex_search(str_arg, match, re);
ASSERT(match.size() == 5);
nickname = match[1];
password = match[2];
address = match[3];
if (!match[4].str().empty())
port = std::stoi(match[4]);
std::regex nickname_re("^[a-zA-Z0-9._\\- ]+$");
if (!std::regex_match(nickname, nickname_re)) {
std::cout
<< "Nickname is not valid. Must be 4 to 20 alphanumeric characters.\n";
return 0;
}
if (address.empty()) {
std::cout << "Address to room must not be empty.\n";
return 0;
}
break;
}
case 'r':
movie_record = optarg;
break;
case 'a':
movie_record_author = optarg;
break;
case 'p':
movie_play = optarg;
break;
case 'd':
dump_video = optarg;
break;
case 'f':
fullscreen = true;
LOG_INFO(Frontend, "Starting in fullscreen mode...");
break;
case 'h':
PrintHelp(argv[0]);
return 0;
case 'v':
PrintVersion();
return 0;
}
} else {
#ifdef _WIN32
filepath = Common::UTF16ToUTF8(argv_w[optind]);
#else
filepath = argv[optind];
#endif
optind++;
}
}
#ifdef _WIN32
LocalFree(argv_w);
#endif
MicroProfileOnThreadCreate("EmuThread");
SCOPE_EXIT({ MicroProfileShutdown(); });
if (filepath.empty()) {
LOG_CRITICAL(Frontend, "Failed to load ROM: No ROM specified");
return -1;
}
if (!movie_record.empty() && !movie_play.empty()) {
LOG_CRITICAL(Frontend, "Cannot both play and record a movie");
return -1;
}
auto& system = Core::System::GetInstance();
auto& movie = system.Movie();
if (!movie_record.empty()) {
movie.PrepareForRecording();
}
if (!movie_play.empty()) {
movie.PrepareForPlayback(movie_play);
}
// Apply the command line arguments
Settings::values.gdbstub_port = gdb_port;
Settings::values.use_gdbstub = use_gdbstub;
system.ApplySettings();
// Register frontend applets
Frontend::RegisterDefaultApplets(system);
EmuWindow_SDL2::InitializeSDL2();
const auto create_emu_window = [&](bool fullscreen,
bool is_secondary) -> std::unique_ptr<EmuWindow_SDL2> {
switch (Settings::values.graphics_api.GetValue()) {
case Settings::GraphicsAPI::OpenGL:
return std::make_unique<EmuWindow_SDL2_GL>(system, fullscreen, is_secondary);
case Settings::GraphicsAPI::Vulkan:
return std::make_unique<EmuWindow_SDL2_VK>(system, fullscreen, is_secondary);
case Settings::GraphicsAPI::Software:
return std::make_unique<EmuWindow_SDL2_SW>(system, fullscreen, is_secondary);
}
LOG_ERROR(Frontend, "Invalid Graphics API, using OpenGL");
return std::make_unique<EmuWindow_SDL2_GL>(system, fullscreen, is_secondary);
};
const auto emu_window{create_emu_window(fullscreen, false)};
const bool use_secondary_window{
Settings::values.layout_option.GetValue() == Settings::LayoutOption::SeparateWindows &&
Settings::values.graphics_api.GetValue() != Settings::GraphicsAPI::Software};
const auto secondary_window = use_secondary_window ? create_emu_window(false, true) : nullptr;
const auto scope = emu_window->Acquire();
LOG_INFO(Frontend, "Citra Version: {} | {}-{}", Common::g_build_fullname, Common::g_scm_branch,
Common::g_scm_desc);
Settings::LogSettings();
const Core::System::ResultStatus load_result{
system.Load(*emu_window, filepath, secondary_window.get())};
switch (load_result) {
case Core::System::ResultStatus::ErrorGetLoader:
LOG_CRITICAL(Frontend, "Failed to obtain loader for {}!", filepath);
return -1;
case Core::System::ResultStatus::ErrorLoader:
LOG_CRITICAL(Frontend, "Failed to load ROM!");
return -1;
case Core::System::ResultStatus::ErrorLoader_ErrorEncrypted:
LOG_CRITICAL(Frontend, "The game that you are trying to load must be decrypted before "
"being used with Citra. \n\n For more information on dumping and "
"decrypting games, please refer to: "
"https://citra-emu.org/wiki/dumping-game-cartridges/");
return -1;
case Core::System::ResultStatus::ErrorLoader_ErrorInvalidFormat:
LOG_CRITICAL(Frontend, "Error while loading ROM: The ROM format is not supported.");
return -1;
case Core::System::ResultStatus::ErrorNotInitialized:
LOG_CRITICAL(Frontend, "CPUCore not initialized");
return -1;
case Core::System::ResultStatus::ErrorSystemMode:
LOG_CRITICAL(Frontend, "Failed to determine system mode!");
return -1;
case Core::System::ResultStatus::Success:
break; // Expected case
default:
LOG_ERROR(Frontend, "Error while loading ROM: {}", system.GetStatusDetails());
break;
}
system.TelemetrySession().AddField(Common::Telemetry::FieldType::App, "Frontend", "SDL");
if (use_multiplayer) {
if (auto member = Network::GetRoomMember().lock()) {
member->BindOnChatMessageRecieved(OnMessageReceived);
member->BindOnStatusMessageReceived(OnStatusMessageReceived);
member->BindOnStateChanged(OnStateChanged);
member->BindOnError(OnNetworkError);
LOG_DEBUG(Network, "Start connection to {}:{} with nickname {}", address, port,
nickname);
member->Join(nickname, Service::CFG::GetConsoleIdHash(system), address.c_str(), port, 0,
Network::NoPreferredMac, password);
} else {
LOG_ERROR(Network, "Could not access RoomMember");
return 0;
}
}
if (!movie_play.empty()) {
auto metadata = movie.GetMovieMetadata(movie_play);
LOG_INFO(Movie, "Author: {}", metadata.author);
LOG_INFO(Movie, "Rerecord count: {}", metadata.rerecord_count);
LOG_INFO(Movie, "Input count: {}", metadata.input_count);
movie.StartPlayback(movie_play);
}
if (!movie_record.empty()) {
movie.StartRecording(movie_record, movie_record_author);
}
if (!dump_video.empty() && DynamicLibrary::FFmpeg::LoadFFmpeg()) {
auto& renderer = system.GPU().Renderer();
const auto layout{
Layout::FrameLayoutFromResolutionScale(renderer.GetResolutionScaleFactor())};
auto dumper = std::make_shared<VideoDumper::FFmpegBackend>(renderer);
if (dumper->StartDumping(dump_video, layout)) {
system.RegisterVideoDumper(dumper);
}
}
#ifdef __unix__
Common::Linux::StartGamemode();
#endif
std::thread main_render_thread([&emu_window] { emu_window->Present(); });
std::thread secondary_render_thread([&secondary_window] {
if (secondary_window) {
secondary_window->Present();
}
});
std::atomic_bool stop_run;
system.GPU().Renderer().Rasterizer()->LoadDiskResources(
stop_run, [](VideoCore::LoadCallbackStage stage, std::size_t value, std::size_t total) {
LOG_DEBUG(Frontend, "Loading stage {} progress {} {}", static_cast<u32>(stage), value,
total);
});
const auto secondary_is_open = [&secondary_window] {
// if the secondary window isn't created, it shouldn't affect the main loop
return secondary_window ? secondary_window->IsOpen() : true;
};
while (emu_window->IsOpen() && secondary_is_open()) {
const auto result = system.RunLoop();
switch (result) {
case Core::System::ResultStatus::ShutdownRequested:
emu_window->RequestClose();
break;
case Core::System::ResultStatus::Success:
break;
default:
LOG_ERROR(Frontend, "Error in main run loop: {}", result, system.GetStatusDetails());
break;
}
}
emu_window->RequestClose();
if (secondary_window) {
secondary_window->RequestClose();
}
main_render_thread.join();
secondary_render_thread.join();
movie.Shutdown();
auto video_dumper = system.GetVideoDumper();
if (video_dumper && video_dumper->IsDumping()) {
video_dumper->StopDumping();
}
Network::Shutdown();
InputCommon::Shutdown();
system.Shutdown();
#ifdef __unix__
Common::Linux::StopGamemode();
#endif
detached_tasks.WaitForAllTasks();
return 0;
}
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