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RetroArch/uwp/uwp_main.cpp
GABO1423 bcd921b012
(UWP) Build Fix (#14241)
2022-07-29 07:21:47 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2018 - Krzysztof Haładyn
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <ppltasks.h>
#include <collection.h>
#include <windows.devices.enumeration.h>
#include <boolean.h>
#include <encodings/utf.h>
#include <string/stdstring.h>
#include <lists/string_list.h>
#include <queues/task_queue.h>
#include <retro_timers.h>
#include <sstream>
#include <iomanip>
#include "configuration.h"
#include "paths.h"
#include "uwp_main.h"
#include "../retroarch.h"
#include "../frontend/frontend.h"
#include "../input/input_keymaps.h"
#include "../verbosity.h"
#include "uwp_func.h"
#include "uwp_async.h"
using namespace RetroArchUWP;
using namespace concurrency;
using namespace Windows::ApplicationModel;
using namespace Windows::ApplicationModel::Core;
using namespace Windows::ApplicationModel::Activation;
using namespace Windows::UI::Core;
using namespace Windows::UI::Input;
using namespace Windows::UI::ViewManagement;
using namespace Windows::Devices::Input;
using namespace Windows::System;
using namespace Windows::System::Profile;
using namespace Windows::Foundation;
using namespace Windows::Foundation::Collections;
using namespace Windows::Graphics::Display;
using namespace Windows::Devices::Enumeration;
using namespace Windows::Storage;
char uwp_dir_install[PATH_MAX_LENGTH] = { 0 };
char uwp_dir_data[PATH_MAX_LENGTH] = { 0 };
char uwp_device_family[128] = { 0 };
char win32_cpu_model_name[128] = { 0 };
// Some keys are unavailable in the VirtualKey enum (wtf) but the old-style constants work
const struct rarch_key_map rarch_key_map_uwp[] = {
{ (unsigned int)VirtualKey::Back, RETROK_BACKSPACE },
{ (unsigned int)VirtualKey::Tab, RETROK_TAB },
{ (unsigned int)VirtualKey::Clear, RETROK_CLEAR },
{ (unsigned int)VirtualKey::Enter, RETROK_RETURN },
{ (unsigned int)VirtualKey::Pause, RETROK_PAUSE },
{ (unsigned int)VirtualKey::Escape, RETROK_ESCAPE },
{ (unsigned int)VirtualKey::ModeChange, RETROK_MODE },
{ (unsigned int)VirtualKey::Space, RETROK_SPACE },
{ (unsigned int)VirtualKey::PageUp, RETROK_PAGEUP },
{ (unsigned int)VirtualKey::PageDown, RETROK_PAGEDOWN },
{ (unsigned int)VirtualKey::End, RETROK_END },
{ (unsigned int)VirtualKey::Home, RETROK_HOME },
{ (unsigned int)VirtualKey::Left, RETROK_LEFT },
{ (unsigned int)VirtualKey::Up, RETROK_UP },
{ (unsigned int)VirtualKey::Right, RETROK_RIGHT },
{ (unsigned int)VirtualKey::Down, RETROK_DOWN },
{ (unsigned int)VirtualKey::Print, RETROK_PRINT },
{ (unsigned int)VirtualKey::Insert, RETROK_INSERT },
{ (unsigned int)VirtualKey::Delete, RETROK_DELETE },
{ (unsigned int)VirtualKey::Help, RETROK_HELP },
{ (unsigned int)VirtualKey::Number0, RETROK_0 },
{ (unsigned int)VirtualKey::Number1, RETROK_1 },
{ (unsigned int)VirtualKey::Number2, RETROK_2 },
{ (unsigned int)VirtualKey::Number3, RETROK_3 },
{ (unsigned int)VirtualKey::Number4, RETROK_4 },
{ (unsigned int)VirtualKey::Number5, RETROK_5 },
{ (unsigned int)VirtualKey::Number6, RETROK_6 },
{ (unsigned int)VirtualKey::Number7, RETROK_7 },
{ (unsigned int)VirtualKey::Number8, RETROK_8 },
{ (unsigned int)VirtualKey::Number9, RETROK_9 },
{ (unsigned int)VirtualKey::A, RETROK_a },
{ (unsigned int)VirtualKey::B, RETROK_b },
{ (unsigned int)VirtualKey::C, RETROK_c },
{ (unsigned int)VirtualKey::D, RETROK_d },
{ (unsigned int)VirtualKey::E, RETROK_e },
{ (unsigned int)VirtualKey::F, RETROK_f },
{ (unsigned int)VirtualKey::G, RETROK_g },
{ (unsigned int)VirtualKey::H, RETROK_h },
{ (unsigned int)VirtualKey::I, RETROK_i },
{ (unsigned int)VirtualKey::J, RETROK_j },
{ (unsigned int)VirtualKey::K, RETROK_k },
{ (unsigned int)VirtualKey::L, RETROK_l },
{ (unsigned int)VirtualKey::M, RETROK_m },
{ (unsigned int)VirtualKey::N, RETROK_n },
{ (unsigned int)VirtualKey::O, RETROK_o },
{ (unsigned int)VirtualKey::P, RETROK_p },
{ (unsigned int)VirtualKey::Q, RETROK_q },
{ (unsigned int)VirtualKey::R, RETROK_r },
{ (unsigned int)VirtualKey::S, RETROK_s },
{ (unsigned int)VirtualKey::T, RETROK_t },
{ (unsigned int)VirtualKey::U, RETROK_u },
{ (unsigned int)VirtualKey::V, RETROK_v },
{ (unsigned int)VirtualKey::W, RETROK_w },
{ (unsigned int)VirtualKey::X, RETROK_x },
{ (unsigned int)VirtualKey::Y, RETROK_y },
{ (unsigned int)VirtualKey::Z, RETROK_z },
{ (unsigned int)VirtualKey::LeftWindows, RETROK_LSUPER },
{ (unsigned int)VirtualKey::RightWindows, RETROK_RSUPER },
{ (unsigned int)VirtualKey::Application, RETROK_MENU },
{ (unsigned int)VirtualKey::NumberPad0, RETROK_KP0 },
{ (unsigned int)VirtualKey::NumberPad1, RETROK_KP1 },
{ (unsigned int)VirtualKey::NumberPad2, RETROK_KP2 },
{ (unsigned int)VirtualKey::NumberPad3, RETROK_KP3 },
{ (unsigned int)VirtualKey::NumberPad4, RETROK_KP4 },
{ (unsigned int)VirtualKey::NumberPad5, RETROK_KP5 },
{ (unsigned int)VirtualKey::NumberPad6, RETROK_KP6 },
{ (unsigned int)VirtualKey::NumberPad7, RETROK_KP7 },
{ (unsigned int)VirtualKey::NumberPad8, RETROK_KP8 },
{ (unsigned int)VirtualKey::NumberPad9, RETROK_KP9 },
{ (unsigned int)VirtualKey::Multiply, RETROK_KP_MULTIPLY },
{ (unsigned int)VirtualKey::Add, RETROK_KP_PLUS },
{ (unsigned int)VirtualKey::Subtract, RETROK_KP_MINUS },
{ (unsigned int)VirtualKey::Decimal, RETROK_KP_PERIOD },
{ (unsigned int)VirtualKey::Divide, RETROK_KP_DIVIDE },
{ (unsigned int)VirtualKey::F1, RETROK_F1 },
{ (unsigned int)VirtualKey::F2, RETROK_F2 },
{ (unsigned int)VirtualKey::F3, RETROK_F3 },
{ (unsigned int)VirtualKey::F4, RETROK_F4 },
{ (unsigned int)VirtualKey::F5, RETROK_F5 },
{ (unsigned int)VirtualKey::F6, RETROK_F6 },
{ (unsigned int)VirtualKey::F7, RETROK_F7 },
{ (unsigned int)VirtualKey::F8, RETROK_F8 },
{ (unsigned int)VirtualKey::F9, RETROK_F9 },
{ (unsigned int)VirtualKey::F10, RETROK_F10 },
{ (unsigned int)VirtualKey::F11, RETROK_F11 },
{ (unsigned int)VirtualKey::F12, RETROK_F12 },
{ (unsigned int)VirtualKey::F13, RETROK_F13 },
{ (unsigned int)VirtualKey::F14, RETROK_F14 },
{ (unsigned int)VirtualKey::F15, RETROK_F15 },
{ (unsigned int)VirtualKey::NumberKeyLock, RETROK_NUMLOCK },
{ (unsigned int)VirtualKey::Scroll, RETROK_SCROLLOCK },
{ (unsigned int)VirtualKey::LeftShift, RETROK_LSHIFT },
{ (unsigned int)VirtualKey::RightShift, RETROK_RSHIFT },
{ (unsigned int)VirtualKey::LeftControl, RETROK_LCTRL },
{ (unsigned int)VirtualKey::RightControl, RETROK_RCTRL },
{ (unsigned int)VirtualKey::LeftMenu, RETROK_LALT },
{ (unsigned int)VirtualKey::RightMenu, RETROK_RALT },
{ VK_RETURN, RETROK_KP_ENTER },
{ (unsigned int)VirtualKey::CapitalLock, RETROK_CAPSLOCK },
{ VK_OEM_1, RETROK_SEMICOLON },
{ VK_OEM_PLUS, RETROK_EQUALS },
{ VK_OEM_COMMA, RETROK_COMMA },
{ VK_OEM_MINUS, RETROK_MINUS },
{ VK_OEM_PERIOD, RETROK_PERIOD },
{ VK_OEM_2, RETROK_SLASH },
{ VK_OEM_3, RETROK_BACKQUOTE },
{ VK_OEM_4, RETROK_LEFTBRACKET },
{ VK_OEM_5, RETROK_BACKSLASH },
{ VK_OEM_6, RETROK_RIGHTBRACKET },
{ VK_OEM_7, RETROK_QUOTE },
{ 0, RETROK_UNKNOWN }
};
#define MAX_TOUCH 16
struct input_pointer
{
int id;
short x;
short y;
short full_x;
short full_y;
bool isInContact;
};
struct uwp_input_state_t
{
struct input_pointer touch[MAX_TOUCH]; /* int alignment */
unsigned touch_count;
short mouse_screen_x;
short mouse_screen_y;
short mouse_rel_x;
short mouse_rel_y;
short mouse_wheel_left;
short mouse_wheel_up;
bool mouse_left;
bool mouse_right;
bool mouse_middle;
bool mouse_button4;
bool mouse_button5;
};
struct uwp_input_state_t uwp_current_input, uwp_next_input;
// Taken from DirectX UWP samples - on Xbox, everything is scaled 200% so getting the DPI calculation correct is crucial
static inline float ConvertDipsToPixels(float dips, float dpi)
{
static const float dipsPerInch = 96.0f;
return floorf(dips * dpi / dipsPerInch + 0.5f);
}
// The main function is only used to initialize our IFrameworkView class.
[Platform::MTAThread]
int main(Platform::Array<Platform::String^>^)
{
Platform::String^ install_dir = Windows::ApplicationModel::Package::Current->InstalledLocation->Path + L"\\";
wcstombs(uwp_dir_install, install_dir->Data(), sizeof(uwp_dir_install));
Platform::String^ data_dir = Windows::Storage::ApplicationData::Current->LocalFolder->Path + L"\\";
wcstombs(uwp_dir_data, data_dir->Data(), sizeof(uwp_dir_data));
// delete vfs cache dir, we do this because this allows a far far more consise implementation than manually implementing a function to do this
// this may be a little slower but shouldn't really matter as the cache dir should never have more than a few items
Platform::String^ vfs_dir = Windows::Storage::ApplicationData::Current->LocalFolder->Path + L"\\VFSCACHE";
char vfs_cache_dir[MAX_PATH];
wcstombs(vfs_cache_dir, vfs_dir->Data(), sizeof(vfs_cache_dir));
DWORD dwAttrib = GetFileAttributesA(vfs_cache_dir);
if ((dwAttrib != INVALID_FILE_ATTRIBUTES) && (dwAttrib & FILE_ATTRIBUTE_DIRECTORY))
{
concurrency::task<StorageFolder^> vfsdirtask = concurrency::create_task(StorageFolder::GetFolderFromPathAsync(vfs_dir));
vfsdirtask.wait();
StorageFolder^ vfsdir = vfsdirtask.get();
vfsdir->DeleteAsync();
}
wcstombs(uwp_device_family,
AnalyticsInfo::VersionInfo->DeviceFamily->Data(),
sizeof(uwp_device_family));
RARCH_LOG("Data dir: %ls\n", data_dir->Data());
RARCH_LOG("Install dir: %ls\n", install_dir->Data());
auto direct3DApplicationSource = ref new Direct3DApplicationSource();
CoreApplication::Run(direct3DApplicationSource);
return 0;
}
IFrameworkView^ Direct3DApplicationSource::CreateView()
{
return ref new App();
}
App^ App::m_instance;
App::App() :
m_initialized(false),
m_windowClosed(false),
m_windowVisible(true),
m_windowFocused(true),
m_windowResized(false)
{
m_instance = this;
}
/* The first method called when the IFrameworkView is being created. */
void App::Initialize(CoreApplicationView^ applicationView)
{
/* Register event handlers for app lifecycle. This example includes Activated, so that we
* can make the CoreWindow active and start rendering on the window. */
applicationView->Activated +=
ref new TypedEventHandler<CoreApplicationView^, IActivatedEventArgs^>(this, &App::OnActivated);
CoreApplication::Suspending +=
ref new EventHandler<SuspendingEventArgs^>(this, &App::OnSuspending);
CoreApplication::Resuming +=
ref new EventHandler<Platform::Object^>(this, &App::OnResuming);
CoreApplication::EnteredBackground +=
ref new EventHandler<EnteredBackgroundEventArgs^>(this, &App::OnEnteredBackground);
}
/* Called when the CoreWindow object is created (or re-created). */
void App::SetWindow(CoreWindow^ window)
{
window->SizeChanged +=
ref new TypedEventHandler<CoreWindow^, WindowSizeChangedEventArgs^>(this, &App::OnWindowSizeChanged);
window->VisibilityChanged +=
ref new TypedEventHandler<CoreWindow^, VisibilityChangedEventArgs^>(this, &App::OnVisibilityChanged);
window->Activated +=
ref new TypedEventHandler<CoreWindow^, WindowActivatedEventArgs^>(this, &App::OnWindowActivated);
window->Closed +=
ref new TypedEventHandler<CoreWindow^, CoreWindowEventArgs^>(this, &App::OnWindowClosed);
window->KeyDown +=
ref new TypedEventHandler<CoreWindow^, KeyEventArgs^>(this, &App::OnKey);
window->KeyUp +=
ref new TypedEventHandler<CoreWindow^, KeyEventArgs^>(this, &App::OnKey);
window->PointerPressed +=
ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &App::OnPointer);
window->PointerReleased +=
ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &App::OnPointer);
window->PointerMoved +=
ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &App::OnPointer);
window->PointerWheelChanged +=
ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &App::OnPointer);
DisplayInformation^ currentDisplayInformation = DisplayInformation::GetForCurrentView();
currentDisplayInformation->DpiChanged +=
ref new TypedEventHandler<DisplayInformation^, Object^>(this, &App::OnDpiChanged);
DisplayInformation::DisplayContentsInvalidated +=
ref new TypedEventHandler<DisplayInformation^, Object^>(this, &App::OnDisplayContentsInvalidated);
currentDisplayInformation->OrientationChanged +=
ref new TypedEventHandler<DisplayInformation^, Object^>(this, &App::OnOrientationChanged);
Windows::UI::Core::SystemNavigationManager::GetForCurrentView()->BackRequested +=
ref new EventHandler<Windows::UI::Core::BackRequestedEventArgs^>(this, &App::OnBackRequested);
}
/* Initializes scene resources, or loads a previously saved app state. */
void App::Load(Platform::String^ entryPoint)
{
auto catalog = Windows::ApplicationModel::PackageCatalog::OpenForCurrentPackage();
catalog->PackageInstalling +=
ref new TypedEventHandler<PackageCatalog^, PackageInstallingEventArgs^>(this, &App::OnPackageInstalling);
}
/* This method is called after the window becomes active. */
void App::Run()
{
bool x = false;
if (!m_initialized)
{
RARCH_WARN("Initialization failed, so not running\n");
return;
}
for (;;)
{
int ret;
CoreWindow::GetForCurrentThread()->Dispatcher->ProcessEvents(CoreProcessEventsOption::ProcessAllIfPresent);
ret = runloop_iterate();
task_queue_check();
if (!x)
{
/* HACK: I have no idea why is this necessary but
* it is required to get proper scaling on Xbox *
* Perhaps PreferredLaunchViewSize is broken and
* we need to wait until the app starts to call TryResizeView */
m_windowResized = true;
x = true;
}
if (ret == -1)
break;
}
}
/* Required for IFrameworkView.
* Terminate events do not cause Uninitialize to be called.
* It will be called if your IFrameworkView
* class is torn down while the app is in the foreground. */
void App::Uninitialize()
{
main_exit(NULL);
//if this instance of RetroArch was started from another app/frontend and the frontend passed "launchOnExit" parameter:
//1. launch the app specified in "launchOnExit", most likely the same app that started RetroArch
//2. RetroArch goes to background and RunAsyncAndCatchErrors doesn't return, because the target app is immediately started.
//3. explicitly exit in App::OnEnteredBackground if m_launchOnExitShutdown is set. Otherwise, RetroArch doesn't properly shutdown.
if (m_launchOnExit != nullptr && m_launchOnExit->IsEmpty() == false)
{
try
{
//launch the target app
m_launchOnExitShutdown = true;
auto ret = RunAsyncAndCatchErrors<bool>([&]() {
return create_task(Launcher::LaunchUriAsync(ref new Uri(m_launchOnExit)));
}, false);
}
catch (Platform::InvalidArgumentException^ e)
{
}
}
}
/* Application lifecycle event handlers. */
void App::OnActivated(CoreApplicationView^ applicationView, IActivatedEventArgs^ args)
{
int argc = NULL;
std::vector<char*> argv;
std::vector<std::string> argvTmp; //using std::string as temp buf instead of char* array to avoid manual char allocations
ParseProtocolArgs(args, &argc, &argv, &argvTmp);
//start only if not already initialized. If there is a game in progress, just return
if (m_initialized == true)
{
return;
}
int ret = rarch_main(argc, argv.data(), NULL);
if (ret != 0)
{
RARCH_ERR("Init failed\n");
CoreApplication::Exit();
return;
}
m_initialized = true;
if (is_running_on_xbox())
{
bool reset = false;
int width = uwp_get_width();
int height = uwp_get_height();
//reset driver to d3d11 if set to opengl on boot as cores can just set to gl when needed and there is no good reason to use gl for the menus
//do not change the default driver if the content is already initialized through arguments as this would crash RA for cores that use only ANGLE
settings_t* settings = config_get_ptr();
content_state_t* p_content = content_state_get_ptr();
char* currentdriver = settings->arrays.video_driver;
if (strcmpi(currentdriver, "gl") == 0 && p_content->is_inited == false)
{
//set driver to default
configuration_set_string(settings,
settings->arrays.video_driver,
config_get_default_video());
//reset needed
reset = true;
}
if ((settings->uints.video_fullscreen_x != width) || (settings->uints.video_fullscreen_y != height))
{
//get width and height from display again
configuration_set_int(settings,
settings->uints.video_fullscreen_x,
width);
configuration_set_int(settings,
settings->uints.video_fullscreen_y,
height);
//reset needed
reset = true;
}
if (reset)
{
//restart driver
command_event(CMD_EVENT_REINIT, NULL);
}
}
/* Run() won't start until the CoreWindow is activated. */
CoreWindow::GetForCurrentThread()->Activate();
}
void App::OnSuspending(Platform::Object^ sender, SuspendingEventArgs^ args)
{
/* Save app state asynchronously after requesting a deferral. Holding a deferral
* indicates that the application is busy performing suspending operations. Be
* aware that a deferral may not be held indefinitely. After about five seconds,
* the app will be forced to exit.
*/
SuspendingDeferral^ deferral = args->SuspendingOperation->GetDeferral();
auto app = this;
create_task([app, deferral]()
{
/* TODO: Maybe creating a save state here would be a good idea? */
settings_t* settings = config_get_ptr();
bool config_save_on_exit = settings->bools.config_save_on_exit;
if (config_save_on_exit)
{
if (!path_is_empty(RARCH_PATH_CONFIG))
{
const char* config_path = path_get(RARCH_PATH_CONFIG);
bool path_exists = !string_is_empty(config_path);
if (path_exists)
{
if (config_save_file(config_path))
{
RARCH_LOG("[config] %s \"%s\".\n",
msg_hash_to_str(MSG_SAVED_NEW_CONFIG_TO),
config_path);
}
else
{
RARCH_ERR("[config] %s \"%s\".\n",
msg_hash_to_str(MSG_FAILED_SAVING_CONFIG_TO),
config_path);
}
}
}
}
deferral->Complete();
});
}
void App::OnResuming(Platform::Object^ sender, Platform::Object^ args)
{
/* Restore any data or state that was unloaded on suspend. By default, data
* and state are persisted when resuming from suspend. Note that this event
* does not occur if the app was previously terminated.
*/
}
void App::OnEnteredBackground(Platform::Object^ sender, EnteredBackgroundEventArgs^ args)
{
//RetroArch entered background because another app/frontend was launched on exit, so properly quit
if (m_launchOnExitShutdown == true)
{
CoreApplication::Exit();
}
}
void App::OnBackRequested(Platform::Object^ sender, Windows::UI::Core::BackRequestedEventArgs^ args)
{
/* Prevent the B controller button on Xbox One from quitting the app */
args->Handled = true;
}
/* Window event handlers. */
void App::OnWindowSizeChanged(CoreWindow^ sender, WindowSizeChangedEventArgs^ args)
{
m_windowResized = true;
}
void App::OnVisibilityChanged(CoreWindow^ sender, VisibilityChangedEventArgs^ args)
{
m_windowVisible = args->Visible;
}
void App::OnWindowActivated(CoreWindow^ sender, WindowActivatedEventArgs^ args)
{
m_windowFocused = args->WindowActivationState != CoreWindowActivationState::Deactivated;
}
void App::OnKey(CoreWindow^ sender, KeyEventArgs^ args)
{
uint16_t mod = 0;
if ((sender->GetKeyState(VirtualKey::Shift) & CoreVirtualKeyStates::Locked) == CoreVirtualKeyStates::Locked)
mod |= RETROKMOD_SHIFT;
if ((sender->GetKeyState(VirtualKey::Control) & CoreVirtualKeyStates::Locked) == CoreVirtualKeyStates::Locked)
mod |= RETROKMOD_CTRL;
if ((sender->GetKeyState(VirtualKey::Menu) & CoreVirtualKeyStates::Locked) == CoreVirtualKeyStates::Locked)
mod |= RETROKMOD_ALT;
if ((sender->GetKeyState(VirtualKey::CapitalLock) & CoreVirtualKeyStates::Locked) == CoreVirtualKeyStates::Locked)
mod |= RETROKMOD_CAPSLOCK;
if ((sender->GetKeyState(VirtualKey::Scroll) & CoreVirtualKeyStates::Locked) == CoreVirtualKeyStates::Locked)
mod |= RETROKMOD_SCROLLOCK;
if ((sender->GetKeyState(VirtualKey::LeftWindows) & CoreVirtualKeyStates::Locked) == CoreVirtualKeyStates::Locked ||
(sender->GetKeyState(VirtualKey::RightWindows) & CoreVirtualKeyStates::Locked) == CoreVirtualKeyStates::Locked)
mod |= RETROKMOD_META;
unsigned keycode = input_keymaps_translate_keysym_to_rk((unsigned)args->VirtualKey);
input_keyboard_event(!args->KeyStatus.IsKeyReleased, keycode, 0, mod, RETRO_DEVICE_KEYBOARD);
}
void App::OnPointer(CoreWindow^ sender, PointerEventArgs^ args)
{
float dpi = DisplayInformation::GetForCurrentView()->LogicalDpi;
if (args->CurrentPoint->PointerDevice->PointerDeviceType == PointerDeviceType::Mouse)
{
uwp_next_input.mouse_left = args->CurrentPoint->Properties->IsLeftButtonPressed;
uwp_next_input.mouse_middle = args->CurrentPoint->Properties->IsMiddleButtonPressed;
uwp_next_input.mouse_right = args->CurrentPoint->Properties->IsRightButtonPressed;
uwp_next_input.mouse_button4 = args->CurrentPoint->Properties->IsXButton1Pressed;
uwp_next_input.mouse_button5 = args->CurrentPoint->Properties->IsXButton2Pressed;
uwp_next_input.mouse_screen_x = ConvertDipsToPixels(args->CurrentPoint->Position.X, dpi);
uwp_next_input.mouse_screen_y = ConvertDipsToPixels(args->CurrentPoint->Position.Y, dpi);
uwp_next_input.mouse_rel_x = uwp_next_input.mouse_screen_x - uwp_current_input.mouse_screen_x;
uwp_next_input.mouse_rel_y = uwp_next_input.mouse_screen_y - uwp_current_input.mouse_screen_y;
if (args->CurrentPoint->Properties->IsHorizontalMouseWheel)
uwp_next_input.mouse_wheel_left += args->CurrentPoint->Properties->MouseWheelDelta;
else
uwp_next_input.mouse_wheel_up += args->CurrentPoint->Properties->MouseWheelDelta;
}
else
{
unsigned i, free_index = MAX_TOUCH; bool found = false;
int id = args->CurrentPoint->PointerId;
for (i = 0; i < uwp_next_input.touch_count; i++)
{
if (!uwp_next_input.touch[i].isInContact && free_index == MAX_TOUCH)
free_index = i;
if (uwp_next_input.touch[i].id == id)
{
found = true;
break;
}
}
if (!found)
{
if (free_index >= 0 && free_index < uwp_next_input.touch_count)
i = free_index;
else if (uwp_next_input.touch_count + 1 < MAX_TOUCH)
i = ++uwp_next_input.touch_count;
else
return;
}
uwp_next_input.touch[i].id = id;
struct video_viewport vp;
/* convert from event coordinates to core and screen coordinates */
vp.x = 0;
vp.y = 0;
vp.width = 0;
vp.height = 0;
vp.full_width = 0;
vp.full_height = 0;
video_driver_translate_coord_viewport_wrap(
&vp,
ConvertDipsToPixels(args->CurrentPoint->Position.X, dpi),
ConvertDipsToPixels(args->CurrentPoint->Position.Y, dpi),
&uwp_next_input.touch[i].x,
&uwp_next_input.touch[i].y,
&uwp_next_input.touch[i].full_x,
&uwp_next_input.touch[i].full_y);
uwp_next_input.touch[i].isInContact = args->CurrentPoint->IsInContact;
}
}
void App::OnWindowClosed(CoreWindow^ sender, CoreWindowEventArgs^ args)
{
m_windowClosed = true;
}
/* DisplayInformation event handlers. */
void App::OnDpiChanged(DisplayInformation^ sender, Object^ args)
{
m_windowResized = true;
}
void App::OnOrientationChanged(DisplayInformation^ sender, Object^ args)
{
m_windowResized = true;
}
void App::OnDisplayContentsInvalidated(DisplayInformation^ sender, Object^ args)
{
/* Probably can be ignored? */
}
void App::OnPackageInstalling(PackageCatalog^ sender, PackageInstallingEventArgs^ args)
{
/* TODO: This doesn't seem to work even though it's exactly the same as in sample app and it works there */
if (args->IsComplete)
{
char msg[512];
snprintf(msg, sizeof(msg), "Package \"%ls\" installed, a restart may be necessary", args->Package->DisplayName->Data());
runloop_msg_queue_push(msg, 1, 5 * 60, false, NULL, MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
}
}
void App::ParseProtocolArgs(Windows::ApplicationModel::Activation::IActivatedEventArgs^ args, int *argc, std::vector<char*> *argv, std::vector<std::string> *argvTmp)
{
argvTmp->clear();
argv->clear();
// If the app is activated using protocol, it is expected to be in this format:
// "retroarch:?cmd=<RetroArch CLI arguments>&launchOnExit=<app to launch on exit>"
// For example:
// retroarch:?cmd=retroarch -L cores\core_libretro.dll "c:\mypath\path with spaces\game.rom"&launchOnExit=LaunchApp:
// "cmd" and "launchOnExit" are optional. If none specified, it will normally launch into menu
if (args->Kind == ActivationKind::Protocol)
{
unsigned i;
ProtocolActivatedEventArgs^ protocolArgs = dynamic_cast<Windows::ApplicationModel::Activation::ProtocolActivatedEventArgs^>(args);
Windows::Foundation::WwwFormUrlDecoder^ query = protocolArgs->Uri->QueryParsed;
for (i = 0; i < query->Size; i++)
{
IWwwFormUrlDecoderEntry^ arg = query->GetAt(i);
//parse RetroArch command line string
if (arg->Name == "forceExit")
{
//this allows a frotend to quit RetroArch, which in turn allows it to launch a different game.
CoreApplication::Exit();
}
else if (arg->Name == "cmd" && m_initialized == false)
{
std::wstring wsValue(arg->Value->ToString()->Data());
std::string strValue(wsValue.begin(), wsValue.end());
std::istringstream iss(strValue);
std::string s;
//set escape character to null char to preserve backslashes in paths which are inside quotes, they get stripped by default
while (iss >> std::quoted(s, '"', (char)0)) {
argvTmp->push_back(s);
}
}
else if (arg->Name == "launchOnExit")
{
//if RetroArch UWP app is started using protocol with argument "launchOnExit", this gives an option to launch another app on RA exit,
//making it easy to integrate RA with other UWP frontends
m_launchOnExit = arg->Value;
}
}
}
if (m_initialized == false)
{
(*argc) = argvTmp->size();
//convert to char* array compatible with argv
for (int i = 0; i < argvTmp->size(); i++)
{
argv->push_back((char*)(argvTmp->at(i)).c_str());
}
argv->push_back(nullptr);
}
}
/* Implement UWP equivalents of various win32_* functions */
extern "C" {
bool is_running_on_xbox(void)
{
Platform::String^ device_family = Windows::System::Profile::AnalyticsInfo::VersionInfo->DeviceFamily;
return (device_family == L"Windows.Xbox");
}
bool win32_has_focus(void *data)
{
return App::GetInstance()->IsWindowFocused();
}
bool win32_set_video_mode(void *data, unsigned width, unsigned height, bool fullscreen)
{
if (App::GetInstance()->IsInitialized())
{
if (fullscreen != ApplicationView::GetForCurrentView()->IsFullScreenMode)
{
if (fullscreen)
ApplicationView::GetForCurrentView()->TryEnterFullScreenMode();
else
ApplicationView::GetForCurrentView()->ExitFullScreenMode();
}
ApplicationView::GetForCurrentView()->TryResizeView(Size(width, height));
}
else
{
/* In case the window is not activated yet, TryResizeView will fail and we have to set the initial parameters instead */
/* Note that these are preserved after restarting the app and used for the UWP splash screen size (!), so they should be set only during init and not changed afterwards */
ApplicationView::PreferredLaunchViewSize = Size(width, height);
ApplicationView::PreferredLaunchWindowingMode = fullscreen ? ApplicationViewWindowingMode::FullScreen : ApplicationViewWindowingMode::PreferredLaunchViewSize;
}
/* Setting the window size may sometimes fail "because UWP"
* (i.e. we are on device with no windows, or Windows sandbox decides the window can't be that small)
* so in case resizing fails we just send a resized event back to RetroArch with old size
* (and report success because otherwise it bails out hard about failing to set video mode)
*/
App::GetInstance()->SetWindowResized();
return true;
}
void win32_show_cursor(void *data, bool state)
{
CoreWindow::GetForCurrentThread()->PointerCursor = state ? ref new CoreCursor(CoreCursorType::Arrow, 0) : nullptr;
}
bool win32_get_client_rect(RECT* rect)
{
rect->top = ApplicationView::GetForCurrentView()->VisibleBounds.Top;
rect->left = ApplicationView::GetForCurrentView()->VisibleBounds.Left;
rect->bottom = ApplicationView::GetForCurrentView()->VisibleBounds.Bottom;
rect->right = ApplicationView::GetForCurrentView()->VisibleBounds.Right;
return true;
}
bool win32_get_metrics(void* data,
enum display_metric_types type, float* value)
{
switch (type)
{
case DISPLAY_METRIC_PIXEL_WIDTH:
*value = uwp_get_width();
return true;
case DISPLAY_METRIC_PIXEL_HEIGHT:
*value = uwp_get_height();
return true;
case DISPLAY_METRIC_MM_WIDTH:
/* 25.4 mm in an inch. */
{
int pixels_x = DisplayInformation::GetForCurrentView()->ScreenWidthInRawPixels;
int raw_dpi_x = DisplayInformation::GetForCurrentView()->RawDpiX;
int physical_width = pixels_x / raw_dpi_x;
*value = 254 * physical_width / 10;
}
return true;
case DISPLAY_METRIC_MM_HEIGHT:
/* 25.4 mm in an inch. */
{
int pixels_y = DisplayInformation::GetForCurrentView()->ScreenHeightInRawPixels;
int raw_dpi_y = DisplayInformation::GetForCurrentView()->RawDpiY;
int physical_height = pixels_y / raw_dpi_y;
*value = 254 * physical_height / 10;
}
return true;
case DISPLAY_METRIC_DPI:
*value = DisplayInformation::GetForCurrentView()->RawDpiX;
return true;
case DISPLAY_METRIC_NONE:
default:
*value = 0;
break;
}
return false;
}
void win32_check_window(void *data,
bool *quit, bool *resize, unsigned *width, unsigned *height)
{
static bool is_xbox = is_running_on_xbox();
*quit = App::GetInstance()->IsWindowClosed();
if (is_xbox)
{
settings_t* settings = config_get_ptr();
*width = settings->uints.video_fullscreen_x != 0 ? settings->uints.video_fullscreen_x : uwp_get_width();
*height = settings->uints.video_fullscreen_y != 0 ? settings->uints.video_fullscreen_y : uwp_get_height();
return;
}
*resize = App::GetInstance()->CheckWindowResized();
if (*resize)
{
float dpi = DisplayInformation::GetForCurrentView()->LogicalDpi;
*width = ConvertDipsToPixels(CoreWindow::GetForCurrentThread()->Bounds.Width, dpi);
*height = ConvertDipsToPixels(CoreWindow::GetForCurrentThread()->Bounds.Height, dpi);
}
}
void* uwp_get_corewindow(void)
{
return (void*)CoreWindow::GetForCurrentThread();
}
int uwp_get_height(void)
{
if (is_running_on_xbox())
{
const Windows::Graphics::Display::Core::HdmiDisplayInformation^ hdi = Windows::Graphics::Display::Core::HdmiDisplayInformation::GetForCurrentView();
if (hdi)
return Windows::Graphics::Display::Core::HdmiDisplayInformation::GetForCurrentView()->GetCurrentDisplayMode()->ResolutionHeightInRawPixels;
}
const LONG32 resolution_scale = static_cast<LONG32>(Windows::Graphics::Display::DisplayInformation::GetForCurrentView()->ResolutionScale);
auto surface_scale = static_cast<float>(resolution_scale) / 100.0f;
return static_cast<LONG32>(CoreWindow::GetForCurrentThread()->Bounds.Height * surface_scale);
}
int uwp_get_width(void)
{
if (is_running_on_xbox())
{
const Windows::Graphics::Display::Core::HdmiDisplayInformation^ hdi = Windows::Graphics::Display::Core::HdmiDisplayInformation::GetForCurrentView();
if (hdi)
return Windows::Graphics::Display::Core::HdmiDisplayInformation::GetForCurrentView()->GetCurrentDisplayMode()->ResolutionWidthInRawPixels;
}
const LONG32 resolution_scale = static_cast<LONG32>(Windows::Graphics::Display::DisplayInformation::GetForCurrentView()->ResolutionScale);
auto surface_scale = static_cast<float>(resolution_scale) / 100.0f;
return static_cast<LONG32>(CoreWindow::GetForCurrentThread()->Bounds.Width * surface_scale);
}
void uwp_fill_installed_core_packages(struct string_list *list)
{
for (auto package : Windows::ApplicationModel::Package::Current->Dependencies)
{
if (package->IsOptional)
{
string_list_elem_attr attr{};
string_list_append(list, utf16_to_utf8_string_alloc((package->InstalledLocation->Path + L"\\cores")->Data()), attr);
}
}
}
void uwp_input_next_frame(void *data)
{
uwp_current_input = uwp_next_input;
uwp_next_input.mouse_rel_x = 0;
uwp_next_input.mouse_rel_y = 0;
uwp_next_input.mouse_wheel_up %= WHEEL_DELTA;
uwp_next_input.mouse_wheel_left %= WHEEL_DELTA;
}
bool uwp_keyboard_pressed(unsigned key)
{
VirtualKey sym = (VirtualKey)rarch_keysym_lut[(enum retro_key)key];
if (sym == VirtualKey::None)
return false;
CoreWindow^ window = CoreWindow::GetForCurrentThread();
/* At times CoreWindow will return NULL while running Dolphin core
* Dolphin core runs on its own CPU thread separate from the UI-thread and so we must do a check for this. */
if (!window)
return false;
return (window->GetKeyState(sym) & CoreVirtualKeyStates::Down) == CoreVirtualKeyStates::Down;
}
int16_t uwp_mouse_state(unsigned port, unsigned id, bool screen)
{
int16_t state = 0;
switch (id)
{
case RETRO_DEVICE_ID_MOUSE_X:
return screen
? uwp_current_input.mouse_screen_x
: uwp_current_input.mouse_rel_x;
case RETRO_DEVICE_ID_MOUSE_Y:
return screen
? uwp_current_input.mouse_screen_y
: uwp_current_input.mouse_rel_y;
case RETRO_DEVICE_ID_MOUSE_LEFT:
return uwp_current_input.mouse_left;
case RETRO_DEVICE_ID_MOUSE_RIGHT:
return uwp_current_input.mouse_right;
case RETRO_DEVICE_ID_MOUSE_WHEELUP:
return uwp_current_input.mouse_wheel_up > WHEEL_DELTA;
case RETRO_DEVICE_ID_MOUSE_WHEELDOWN:
return uwp_current_input.mouse_wheel_up < -WHEEL_DELTA;
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELUP:
return uwp_current_input.mouse_wheel_left > WHEEL_DELTA;
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELDOWN:
return uwp_current_input.mouse_wheel_left < -WHEEL_DELTA;
case RETRO_DEVICE_ID_MOUSE_MIDDLE:
return uwp_current_input.mouse_middle;
case RETRO_DEVICE_ID_MOUSE_BUTTON_4:
return uwp_current_input.mouse_button4;
case RETRO_DEVICE_ID_MOUSE_BUTTON_5:
return uwp_current_input.mouse_button5;
}
return 0;
}
int16_t uwp_pointer_state(unsigned idx, unsigned id, bool screen)
{
switch (id)
{
case RETRO_DEVICE_ID_POINTER_X:
return screen
? uwp_current_input.touch[idx].full_x
: uwp_current_input.touch[idx].x;
case RETRO_DEVICE_ID_POINTER_Y:
return screen
? uwp_current_input.touch[idx].full_y
: uwp_current_input.touch[idx].y;
case RETRO_DEVICE_ID_POINTER_PRESSED:
return uwp_current_input.touch[idx].isInContact;
case RETRO_DEVICE_ID_POINTER_COUNT:
return uwp_current_input.touch_count;
default:
break;
}
return 0;
}
void uwp_open_broadfilesystemaccess_settings(void)
{
Windows::System::Launcher::LaunchUriAsync(ref new Uri("ms-settings:privacy-broadfilesystemaccess"));
}
enum retro_language uwp_get_language(void)
{
auto lang = Windows::System::UserProfile::GlobalizationPreferences::Languages->GetAt(0);
struct string_list split = {0};
char lang_bcp[16] = {0};
char lang_iso[16] = {0};
wcstombs(lang_bcp, lang->Data(), sizeof(lang_bcp));
/* Trying to convert BCP 47 language codes to ISO 639 ones */
string_list_initialize(&split);
string_split_noalloc(&split, lang_bcp, "-");
strlcpy(lang_iso, split.elems[0].data, sizeof(lang_iso));
if (split.size >= 2)
{
strlcat(lang_iso, "_", sizeof(lang_iso));
strlcat(lang_iso, split.elems[split.size >= 3 ? 2 : 1].data,
sizeof(lang_iso));
}
string_list_deinitialize(&split);
return rarch_get_language_from_iso(lang_iso);
}
const char* uwp_get_cpu_model_name(void)
{
if (!is_running_on_xbox())
{
Platform::String^ cpu_id = nullptr;
Platform::String^ cpu_name = nullptr;
/* GUID_DEVICE_PROCESSOR: {97FADB10-4E33-40AE-359C-8BEF029DBDD0} */
Platform::String^ if_filter = L"System.Devices.InterfaceClassGuid:=\"{97FADB10-4E33-40AE-359C-8BEF029DBDD0}\"";
/* Enumerate all CPU DeviceInterfaces, and get DeviceInstanceID of the first one. */
cpu_id = RunAsyncAndCatchErrors<Platform::String^>([&]() {
return create_task(DeviceInformation::FindAllAsync(if_filter)).then(
[&](DeviceInformationCollection^ collection)
{
return dynamic_cast<Platform::String^>(
collection->GetAt(0)->Properties->Lookup(L"System.Devices.DeviceInstanceID"));
});
}, nullptr);
if (cpu_id)
{
Platform::String^ dev_filter = L"System.Devices.DeviceInstanceID:=\"" + cpu_id + L"\"";
/* Get the Device with the same ID as the DeviceInterface
* Then get the name (description) of that Device
* We have to do this because the DeviceInterface we get doesn't have a proper description. */
cpu_name = RunAsyncAndCatchErrors<Platform::String^>([&]() {
return create_task(
DeviceInformation::FindAllAsync(dev_filter, {}, DeviceInformationKind::Device)).then(
[&](DeviceInformationCollection^ collection)
{
return cpu_name = collection->GetAt(0)->Name;
});
}, nullptr);
}
if (!cpu_name)
return "Unknown";
wcstombs(win32_cpu_model_name, cpu_name->Data(), sizeof(win32_cpu_model_name));
return win32_cpu_model_name;
}
else
return "Unknown";
}
}
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