1 /*************************************************************************/
2 /*  os_winrt.cpp                                                         */
3 /*************************************************************************/
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29 #include "drivers/gles2/rasterizer_gles2.h"
30 
31 #include "drivers/unix/memory_pool_static_malloc.h"
32 #include "drivers/windows/dir_access_windows.h"
33 #include "drivers/windows/file_access_windows.h"
34 #include "drivers/windows/mutex_windows.h"
35 #include "drivers/windows/semaphore_windows.h"
36 #include "main/main.h"
37 #include "os/memory_pool_dynamic_static.h"
38 #include "os_winrt.h"
39 #include "thread_winrt.h"
40 
41 #include "servers/audio/audio_server_sw.h"
42 #include "servers/visual/visual_server_raster.h"
43 #include "servers/visual/visual_server_wrap_mt.h"
44 
45 #include "globals.h"
46 #include "io/marshalls.h"
47 #include "os/memory_pool_dynamic_prealloc.h"
48 
49 #include "drivers/unix/ip_unix.h"
50 #include "platform/windows/packet_peer_udp_winsock.h"
51 #include "platform/windows/stream_peer_winsock.h"
52 #include "platform/windows/tcp_server_winsock.h"
53 
54 #include <ppltasks.h>
55 #include <wrl.h>
56 
57 using namespace Windows::ApplicationModel::Core;
58 using namespace Windows::ApplicationModel::Activation;
59 using namespace Windows::UI::Core;
60 using namespace Windows::UI::Input;
61 using namespace Windows::UI::Popups;
62 using namespace Windows::Foundation;
63 using namespace Windows::Graphics::Display;
64 using namespace Microsoft::WRL;
65 using namespace Windows::UI::ViewManagement;
66 using namespace Windows::Devices::Input;
67 using namespace Windows::Devices::Sensors;
68 using namespace Windows::ApplicationModel::DataTransfer;
69 using namespace concurrency;
70 
get_video_driver_count() const71 int OSWinrt::get_video_driver_count() const {
72 
73 	return 1;
74 }
get_video_driver_name(int p_driver) const75 const char *OSWinrt::get_video_driver_name(int p_driver) const {
76 
77 	return "GLES2";
78 }
79 
get_default_video_mode() const80 OS::VideoMode OSWinrt::get_default_video_mode() const {
81 
82 	return video_mode;
83 }
84 
get_window_size() const85 Size2 OSWinrt::get_window_size() const {
86 	Size2 size;
87 	size.width = video_mode.width;
88 	size.height = video_mode.height;
89 	return size;
90 }
91 
set_window_size(const Size2 p_size)92 void OSWinrt::set_window_size(const Size2 p_size) {
93 
94 	Windows::Foundation::Size new_size;
95 	new_size.Width = p_size.width;
96 	new_size.Height = p_size.height;
97 
98 	ApplicationView ^ view = ApplicationView::GetForCurrentView();
99 
100 	if (view->TryResizeView(new_size)) {
101 
102 		video_mode.width = p_size.width;
103 		video_mode.height = p_size.height;
104 	}
105 }
106 
set_window_fullscreen(bool p_enabled)107 void OSWinrt::set_window_fullscreen(bool p_enabled) {
108 
109 	ApplicationView ^ view = ApplicationView::GetForCurrentView();
110 
111 	video_mode.fullscreen = view->IsFullScreenMode;
112 
113 	if (video_mode.fullscreen == p_enabled)
114 		return;
115 
116 	if (p_enabled) {
117 
118 		video_mode.fullscreen = view->TryEnterFullScreenMode();
119 
120 	} else {
121 
122 		view->ExitFullScreenMode();
123 		video_mode.fullscreen = false;
124 	}
125 }
126 
is_window_fullscreen() const127 bool OSWinrt::is_window_fullscreen() const {
128 
129 	return ApplicationView::GetForCurrentView()->IsFullScreenMode;
130 }
131 
set_keep_screen_on(bool p_enabled)132 void OSWinrt::set_keep_screen_on(bool p_enabled) {
133 
134 	if (is_keep_screen_on() == p_enabled) return;
135 
136 	if (p_enabled)
137 		display_request->RequestActive();
138 	else
139 		display_request->RequestRelease();
140 
141 	OS::set_keep_screen_on(p_enabled);
142 }
143 
get_audio_driver_count() const144 int OSWinrt::get_audio_driver_count() const {
145 
146 	return AudioDriverManagerSW::get_driver_count();
147 }
get_audio_driver_name(int p_driver) const148 const char *OSWinrt::get_audio_driver_name(int p_driver) const {
149 
150 	AudioDriverSW *driver = AudioDriverManagerSW::get_driver(p_driver);
151 	ERR_FAIL_COND_V(!driver, "");
152 	return AudioDriverManagerSW::get_driver(p_driver)->get_name();
153 }
154 
155 static MemoryPoolStatic *mempool_static = NULL;
156 static MemoryPoolDynamic *mempool_dynamic = NULL;
157 
initialize_core()158 void OSWinrt::initialize_core() {
159 
160 	last_button_state = 0;
161 
162 	//RedirectIOToConsole();
163 
164 	ThreadWinrt::make_default();
165 	SemaphoreWindows::make_default();
166 	MutexWindows::make_default();
167 
168 	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_RESOURCES);
169 	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_USERDATA);
170 	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_FILESYSTEM);
171 	//FileAccessBufferedFA<FileAccessWindows>::make_default();
172 	DirAccess::make_default<DirAccessWindows>(DirAccess::ACCESS_RESOURCES);
173 	DirAccess::make_default<DirAccessWindows>(DirAccess::ACCESS_USERDATA);
174 	DirAccess::make_default<DirAccessWindows>(DirAccess::ACCESS_FILESYSTEM);
175 
176 	//TCPServerWinsock::make_default();
177 	//StreamPeerWinsock::make_default();
178 
179 	TCPServerWinsock::make_default();
180 	StreamPeerWinsock::make_default();
181 	PacketPeerUDPWinsock::make_default();
182 
183 	mempool_static = new MemoryPoolStaticMalloc;
184 #if 1
185 	mempool_dynamic = memnew(MemoryPoolDynamicStatic);
186 #else
187 #define DYNPOOL_SIZE 4 * 1024 * 1024
188 	void *buffer = malloc(DYNPOOL_SIZE);
189 	mempool_dynamic = memnew(MemoryPoolDynamicPrealloc(buffer, DYNPOOL_SIZE));
190 
191 #endif
192 
193 	// We need to know how often the clock is updated
194 	if (!QueryPerformanceFrequency((LARGE_INTEGER *)&ticks_per_second))
195 		ticks_per_second = 1000;
196 	// If timeAtGameStart is 0 then we get the time since
197 	// the start of the computer when we call GetGameTime()
198 	ticks_start = 0;
199 	ticks_start = get_ticks_usec();
200 
201 	IP_Unix::make_default();
202 
203 	cursor_shape = CURSOR_ARROW;
204 }
205 
can_draw() const206 bool OSWinrt::can_draw() const {
207 
208 	return !minimized;
209 };
210 
set_gl_context(ContextEGL * p_context)211 void OSWinrt::set_gl_context(ContextEGL *p_context) {
212 
213 	gl_context = p_context;
214 };
215 
screen_size_changed()216 void OSWinrt::screen_size_changed() {
217 
218 	gl_context->reset();
219 };
220 
initialize(const VideoMode & p_desired,int p_video_driver,int p_audio_driver)221 void OSWinrt::initialize(const VideoMode &p_desired, int p_video_driver, int p_audio_driver) {
222 
223 	main_loop = NULL;
224 	outside = true;
225 
226 	gl_context->initialize();
227 	VideoMode vm;
228 	vm.width = gl_context->get_window_width();
229 	vm.height = gl_context->get_window_height();
230 	vm.resizable = false;
231 
232 	ApplicationView ^ view = ApplicationView::GetForCurrentView();
233 	vm.fullscreen = view->IsFullScreenMode;
234 
235 	view->SetDesiredBoundsMode(ApplicationViewBoundsMode::UseVisible);
236 	view->PreferredLaunchWindowingMode = ApplicationViewWindowingMode::PreferredLaunchViewSize;
237 
238 	if (p_desired.fullscreen != view->IsFullScreenMode) {
239 		if (p_desired.fullscreen) {
240 
241 			vm.fullscreen = view->TryEnterFullScreenMode();
242 
243 		} else {
244 
245 			view->ExitFullScreenMode();
246 			vm.fullscreen = false;
247 		}
248 	}
249 
250 	Windows::Foundation::Size desired;
251 	desired.Width = p_desired.width;
252 	desired.Height = p_desired.height;
253 
254 	view->PreferredLaunchViewSize = desired;
255 
256 	if (view->TryResizeView(desired)) {
257 
258 		vm.width = view->VisibleBounds.Width;
259 		vm.height = view->VisibleBounds.Height;
260 	}
261 
262 	set_video_mode(vm);
263 
264 	gl_context->make_current();
265 	rasterizer = memnew(RasterizerGLES2);
266 
267 	visual_server = memnew(VisualServerRaster(rasterizer));
268 	if (get_render_thread_mode() != RENDER_THREAD_UNSAFE) {
269 
270 		visual_server = memnew(VisualServerWrapMT(visual_server, get_render_thread_mode() == RENDER_SEPARATE_THREAD));
271 	}
272 
273 	//
274 	physics_server = memnew(PhysicsServerSW);
275 	physics_server->init();
276 
277 	physics_2d_server = memnew(Physics2DServerSW);
278 	physics_2d_server->init();
279 
280 	visual_server->init();
281 
282 	input = memnew(InputDefault);
283 
284 	joystick = ref new JoystickWinrt(input);
285 	joystick->register_events();
286 
287 	AudioDriverManagerSW::get_driver(p_audio_driver)->set_singleton();
288 
289 	if (AudioDriverManagerSW::get_driver(p_audio_driver)->init() != OK) {
290 
291 		ERR_PRINT("Initializing audio failed.");
292 	}
293 
294 	sample_manager = memnew(SampleManagerMallocSW);
295 	audio_server = memnew(AudioServerSW(sample_manager));
296 
297 	audio_server->init();
298 
299 	spatial_sound_server = memnew(SpatialSoundServerSW);
300 	spatial_sound_server->init();
301 	spatial_sound_2d_server = memnew(SpatialSound2DServerSW);
302 	spatial_sound_2d_server->init();
303 
304 	managed_object->update_clipboard();
305 
306 	Clipboard::ContentChanged += ref new EventHandler<Platform::Object ^>(managed_object, &ManagedType::on_clipboard_changed);
307 
308 	accelerometer = Accelerometer::GetDefault();
309 	if (accelerometer != nullptr) {
310 		// 60 FPS
311 		accelerometer->ReportInterval = (1.0f / 60.0f) * 1000;
312 		accelerometer->ReadingChanged +=
313 				ref new TypedEventHandler<Accelerometer ^, AccelerometerReadingChangedEventArgs ^>(managed_object, &ManagedType::on_accelerometer_reading_changed);
314 	}
315 
316 	magnetometer = Magnetometer::GetDefault();
317 	if (magnetometer != nullptr) {
318 		// 60 FPS
319 		magnetometer->ReportInterval = (1.0f / 60.0f) * 1000;
320 		magnetometer->ReadingChanged +=
321 				ref new TypedEventHandler<Magnetometer ^, MagnetometerReadingChangedEventArgs ^>(managed_object, &ManagedType::on_magnetometer_reading_changed);
322 	}
323 
324 	gyrometer = Gyrometer::GetDefault();
325 	if (gyrometer != nullptr) {
326 		// 60 FPS
327 		gyrometer->ReportInterval = (1.0f / 60.0f) * 1000;
328 		gyrometer->ReadingChanged +=
329 				ref new TypedEventHandler<Gyrometer ^, GyrometerReadingChangedEventArgs ^>(managed_object, &ManagedType::on_gyroscope_reading_changed);
330 	}
331 
332 	_ensure_data_dir();
333 
334 	if (is_keep_screen_on())
335 		display_request->RequestActive();
336 
337 	set_keep_screen_on(GLOBAL_DEF("display/keep_screen_on", true));
338 }
339 
set_clipboard(const String & p_text)340 void OSWinrt::set_clipboard(const String &p_text) {
341 
342 	DataPackage ^ clip = ref new DataPackage();
343 	clip->RequestedOperation = DataPackageOperation::Copy;
344 	clip->SetText(ref new Platform::String((const wchar_t *)p_text.c_str()));
345 
346 	Clipboard::SetContent(clip);
347 };
348 
get_clipboard() const349 String OSWinrt::get_clipboard() const {
350 
351 	if (managed_object->clipboard != nullptr)
352 		return managed_object->clipboard->Data();
353 	else
354 		return "";
355 };
356 
input_event(InputEvent & p_event)357 void OSWinrt::input_event(InputEvent &p_event) {
358 
359 	p_event.ID = ++last_id;
360 
361 	input->parse_input_event(p_event);
362 
363 	if (p_event.type == InputEvent::MOUSE_BUTTON && p_event.mouse_button.pressed && p_event.mouse_button.button_index > 3) {
364 
365 		//send release for mouse wheel
366 		p_event.mouse_button.pressed = false;
367 		p_event.ID = ++last_id;
368 		input->parse_input_event(p_event);
369 	}
370 };
371 
delete_main_loop()372 void OSWinrt::delete_main_loop() {
373 
374 	if (main_loop)
375 		memdelete(main_loop);
376 	main_loop = NULL;
377 }
378 
set_main_loop(MainLoop * p_main_loop)379 void OSWinrt::set_main_loop(MainLoop *p_main_loop) {
380 
381 	input->set_main_loop(p_main_loop);
382 	main_loop = p_main_loop;
383 }
384 
finalize()385 void OSWinrt::finalize() {
386 
387 	if (main_loop)
388 		memdelete(main_loop);
389 
390 	main_loop = NULL;
391 
392 	visual_server->finish();
393 	memdelete(visual_server);
394 #ifdef OPENGL_ENABLED
395 	if (gl_context)
396 		memdelete(gl_context);
397 #endif
398 	if (rasterizer)
399 		memdelete(rasterizer);
400 
401 	spatial_sound_server->finish();
402 	memdelete(spatial_sound_server);
403 	spatial_sound_2d_server->finish();
404 	memdelete(spatial_sound_2d_server);
405 
406 	//if (debugger_connection_console) {
407 	//		memdelete(debugger_connection_console);
408 	//}
409 
410 	memdelete(sample_manager);
411 
412 	audio_server->finish();
413 	memdelete(audio_server);
414 
415 	memdelete(input);
416 
417 	physics_server->finish();
418 	memdelete(physics_server);
419 
420 	physics_2d_server->finish();
421 	memdelete(physics_2d_server);
422 
423 	joystick = nullptr;
424 }
finalize_core()425 void OSWinrt::finalize_core() {
426 
427 	if (mempool_dynamic)
428 		memdelete(mempool_dynamic);
429 	delete mempool_static;
430 }
431 
vprint(const char * p_format,va_list p_list,bool p_stderr)432 void OSWinrt::vprint(const char *p_format, va_list p_list, bool p_stderr) {
433 
434 	char buf[16384 + 1];
435 	int len = vsnprintf(buf, 16384, p_format, p_list);
436 	if (len <= 0)
437 		return;
438 	buf[len] = 0;
439 
440 	int wlen = MultiByteToWideChar(CP_UTF8, 0, buf, len, NULL, 0);
441 	if (wlen < 0)
442 		return;
443 
444 	wchar_t *wbuf = (wchar_t *)malloc((len + 1) * sizeof(wchar_t));
445 	MultiByteToWideChar(CP_UTF8, 0, buf, len, wbuf, wlen);
446 	wbuf[wlen] = 0;
447 
448 	if (p_stderr)
449 		fwprintf(stderr, L"%s", wbuf);
450 	else
451 		wprintf(L"%s", wbuf);
452 
453 	free(wbuf);
454 
455 	fflush(stdout);
456 };
457 
alert(const String & p_alert,const String & p_title)458 void OSWinrt::alert(const String &p_alert, const String &p_title) {
459 
460 	Platform::String ^ alert = ref new Platform::String(p_alert.c_str());
461 	Platform::String ^ title = ref new Platform::String(p_title.c_str());
462 
463 	MessageDialog ^ msg = ref new MessageDialog(alert, title);
464 
465 	UICommand ^ close = ref new UICommand("Close", ref new UICommandInvokedHandler(managed_object, &OSWinrt::ManagedType::alert_close));
466 	msg->Commands->Append(close);
467 	msg->DefaultCommandIndex = 0;
468 
469 	managed_object->alert_close_handle = true;
470 
471 	msg->ShowAsync();
472 }
473 
474 void OSWinrt::ManagedType::alert_close(IUICommand ^ command) {
475 
476 	alert_close_handle = false;
477 }
478 
479 void OSWinrt::ManagedType::on_clipboard_changed(Platform::Object ^ sender, Platform::Object ^ ev) {
480 
481 	update_clipboard();
482 }
483 
update_clipboard()484 void OSWinrt::ManagedType::update_clipboard() {
485 
486 	DataPackageView ^ data = Clipboard::GetContent();
487 
488 	if (data->Contains(StandardDataFormats::Text)) {
489 
490 		create_task(data->GetTextAsync()).then([this](Platform::String ^ clipboard_content) {
491 			this->clipboard = clipboard_content;
492 		});
493 	}
494 }
495 
496 void OSWinrt::ManagedType::on_accelerometer_reading_changed(Accelerometer ^ sender, AccelerometerReadingChangedEventArgs ^ args) {
497 
498 	AccelerometerReading ^ reading = args->Reading;
499 
500 	os->input->set_accelerometer(Vector3(
501 			reading->AccelerationX,
502 			reading->AccelerationY,
503 			reading->AccelerationZ));
504 }
505 
506 void OSWinrt::ManagedType::on_magnetometer_reading_changed(Magnetometer ^ sender, MagnetometerReadingChangedEventArgs ^ args) {
507 
508 	MagnetometerReading ^ reading = args->Reading;
509 
510 	os->input->set_magnetometer(Vector3(
511 			reading->MagneticFieldX,
512 			reading->MagneticFieldY,
513 			reading->MagneticFieldZ));
514 }
515 
516 void OSWinrt::ManagedType::on_gyroscope_reading_changed(Gyrometer ^ sender, GyrometerReadingChangedEventArgs ^ args) {
517 
518 	GyrometerReading ^ reading = args->Reading;
519 
520 	os->input->set_magnetometer(Vector3(
521 			reading->AngularVelocityX,
522 			reading->AngularVelocityY,
523 			reading->AngularVelocityZ));
524 }
525 
set_mouse_mode(MouseMode p_mode)526 void OSWinrt::set_mouse_mode(MouseMode p_mode) {
527 
528 	if (p_mode == MouseMode::MOUSE_MODE_CAPTURED) {
529 
530 		CoreWindow::GetForCurrentThread()->SetPointerCapture();
531 
532 	} else {
533 
534 		CoreWindow::GetForCurrentThread()->ReleasePointerCapture();
535 	}
536 
537 	if (p_mode == MouseMode::MOUSE_MODE_CAPTURED || p_mode == MouseMode::MOUSE_MODE_HIDDEN) {
538 
539 		CoreWindow::GetForCurrentThread()->PointerCursor = nullptr;
540 
541 	} else {
542 
543 		CoreWindow::GetForCurrentThread()->PointerCursor = ref new CoreCursor(CoreCursorType::Arrow, 0);
544 	}
545 
546 	mouse_mode = p_mode;
547 
548 	SetEvent(mouse_mode_changed);
549 }
550 
get_mouse_mode() const551 OSWinrt::MouseMode OSWinrt::get_mouse_mode() const {
552 
553 	return mouse_mode;
554 }
555 
get_mouse_pos() const556 Point2 OSWinrt::get_mouse_pos() const {
557 
558 	return Point2(old_x, old_y);
559 }
560 
get_mouse_button_state() const561 int OSWinrt::get_mouse_button_state() const {
562 
563 	return last_button_state;
564 }
565 
set_window_title(const String & p_title)566 void OSWinrt::set_window_title(const String &p_title) {
567 }
568 
set_video_mode(const VideoMode & p_video_mode,int p_screen)569 void OSWinrt::set_video_mode(const VideoMode &p_video_mode, int p_screen) {
570 
571 	video_mode = p_video_mode;
572 }
get_video_mode(int p_screen) const573 OS::VideoMode OSWinrt::get_video_mode(int p_screen) const {
574 
575 	return video_mode;
576 }
get_fullscreen_mode_list(List<VideoMode> * p_list,int p_screen) const577 void OSWinrt::get_fullscreen_mode_list(List<VideoMode> *p_list, int p_screen) const {
578 }
579 
print_error(const char * p_function,const char * p_file,int p_line,const char * p_code,const char * p_rationale,ErrorType p_type)580 void OSWinrt::print_error(const char *p_function, const char *p_file, int p_line, const char *p_code, const char *p_rationale, ErrorType p_type) {
581 
582 	const char *err_details;
583 	if (p_rationale && p_rationale[0])
584 		err_details = p_rationale;
585 	else
586 		err_details = p_code;
587 
588 	switch (p_type) {
589 		case ERR_ERROR:
590 			print("ERROR: %s: %s\n", p_function, err_details);
591 			print("   At: %s:%i\n", p_file, p_line);
592 			break;
593 		case ERR_WARNING:
594 			print("WARNING: %s: %s\n", p_function, err_details);
595 			print("     At: %s:%i\n", p_file, p_line);
596 			break;
597 		case ERR_SCRIPT:
598 			print("SCRIPT ERROR: %s: %s\n", p_function, err_details);
599 			print("          At: %s:%i\n", p_file, p_line);
600 			break;
601 	}
602 }
603 
get_name()604 String OSWinrt::get_name() {
605 
606 	return "WinRT";
607 }
608 
get_date(bool utc) const609 OS::Date OSWinrt::get_date(bool utc) const {
610 
611 	SYSTEMTIME systemtime;
612 	if (utc)
613 		GetSystemTime(&systemtime);
614 	else
615 		GetLocalTime(&systemtime);
616 
617 	Date date;
618 	date.day = systemtime.wDay;
619 	date.month = Month(systemtime.wMonth);
620 	date.weekday = Weekday(systemtime.wDayOfWeek);
621 	date.year = systemtime.wYear;
622 	date.dst = false;
623 	return date;
624 }
get_time(bool utc) const625 OS::Time OSWinrt::get_time(bool utc) const {
626 
627 	SYSTEMTIME systemtime;
628 	if (utc)
629 		GetSystemTime(&systemtime);
630 	else
631 		GetLocalTime(&systemtime);
632 
633 	Time time;
634 	time.hour = systemtime.wHour;
635 	time.min = systemtime.wMinute;
636 	time.sec = systemtime.wSecond;
637 	return time;
638 }
639 
get_time_zone_info() const640 OS::TimeZoneInfo OSWinrt::get_time_zone_info() const {
641 	TIME_ZONE_INFORMATION info;
642 	bool daylight = false;
643 	if (GetTimeZoneInformation(&info) == TIME_ZONE_ID_DAYLIGHT)
644 		daylight = true;
645 
646 	TimeZoneInfo ret;
647 	if (daylight) {
648 		ret.name = info.DaylightName;
649 	} else {
650 		ret.name = info.StandardName;
651 	}
652 
653 	ret.bias = info.Bias;
654 	return ret;
655 }
656 
get_unix_time() const657 uint64_t OSWinrt::get_unix_time() const {
658 
659 	FILETIME ft;
660 	SYSTEMTIME st;
661 	GetSystemTime(&st);
662 	SystemTimeToFileTime(&st, &ft);
663 
664 	SYSTEMTIME ep;
665 	ep.wYear = 1970;
666 	ep.wMonth = 1;
667 	ep.wDayOfWeek = 4;
668 	ep.wDay = 1;
669 	ep.wHour = 0;
670 	ep.wMinute = 0;
671 	ep.wSecond = 0;
672 	ep.wMilliseconds = 0;
673 	FILETIME fep;
674 	SystemTimeToFileTime(&ep, &fep);
675 
676 	return (*(uint64_t *)&ft - *(uint64_t *)&fep) / 10000000;
677 };
678 
delay_usec(uint32_t p_usec) const679 void OSWinrt::delay_usec(uint32_t p_usec) const {
680 
681 	int msec = p_usec < 1000 ? 1 : p_usec / 1000;
682 
683 	// no Sleep()
684 	WaitForSingleObjectEx(GetCurrentThread(), msec, false);
685 }
get_ticks_usec() const686 uint64_t OSWinrt::get_ticks_usec() const {
687 
688 	uint64_t ticks;
689 	uint64_t time;
690 	// This is the number of clock ticks since start
691 	QueryPerformanceCounter((LARGE_INTEGER *)&ticks);
692 	// Divide by frequency to get the time in seconds
693 	time = ticks * 1000000L / ticks_per_second;
694 	// Subtract the time at game start to get
695 	// the time since the game started
696 	time -= ticks_start;
697 	return time;
698 }
699 
process_events()700 void OSWinrt::process_events() {
701 	last_id = joystick->process_controllers(last_id);
702 	process_key_events();
703 }
704 
process_key_events()705 void OSWinrt::process_key_events() {
706 
707 	for (int i = 0; i < key_event_pos; i++) {
708 
709 		KeyEvent &kev = key_event_buffer[i];
710 		InputEvent iev;
711 
712 		iev.type = InputEvent::KEY;
713 		iev.key.mod = kev.mod_state;
714 		iev.key.echo = kev.echo;
715 		iev.key.scancode = kev.scancode;
716 		iev.key.unicode = kev.unicode;
717 		iev.key.pressed = kev.pressed;
718 
719 		input_event(iev);
720 	}
721 	key_event_pos = 0;
722 }
723 
queue_key_event(KeyEvent & p_event)724 void OSWinrt::queue_key_event(KeyEvent &p_event) {
725 	// This merges Char events with the previous Key event, so
726 	// the unicode can be retrieved without sending duplicate events.
727 	if (p_event.type == KeyEvent::MessageType::CHAR_EVENT_MESSAGE && key_event_pos > 0) {
728 
729 		KeyEvent &old = key_event_buffer[key_event_pos - 1];
730 		ERR_FAIL_COND(old.type != KeyEvent::MessageType::KEY_EVENT_MESSAGE);
731 
732 		key_event_buffer[key_event_pos - 1].unicode = p_event.unicode;
733 		return;
734 	}
735 
736 	ERR_FAIL_COND(key_event_pos >= KEY_EVENT_BUFFER_SIZE);
737 
738 	key_event_buffer[key_event_pos++] = p_event;
739 }
740 
set_cursor_shape(CursorShape p_shape)741 void OSWinrt::set_cursor_shape(CursorShape p_shape) {
742 
743 	ERR_FAIL_INDEX(p_shape, CURSOR_MAX);
744 
745 	if (cursor_shape == p_shape)
746 		return;
747 
748 	static const CoreCursorType uwp_cursors[CURSOR_MAX] = {
749 		CoreCursorType::Arrow,
750 		CoreCursorType::IBeam,
751 		CoreCursorType::Hand,
752 		CoreCursorType::Cross,
753 		CoreCursorType::Wait,
754 		CoreCursorType::Wait,
755 		CoreCursorType::Arrow,
756 		CoreCursorType::Arrow,
757 		CoreCursorType::UniversalNo,
758 		CoreCursorType::SizeNorthSouth,
759 		CoreCursorType::SizeWestEast,
760 		CoreCursorType::SizeNortheastSouthwest,
761 		CoreCursorType::SizeNorthwestSoutheast,
762 		CoreCursorType::SizeAll,
763 		CoreCursorType::SizeNorthSouth,
764 		CoreCursorType::SizeWestEast,
765 		CoreCursorType::Help
766 	};
767 
768 	CoreWindow::GetForCurrentThread()->PointerCursor = ref new CoreCursor(uwp_cursors[p_shape], 0);
769 
770 	cursor_shape = p_shape;
771 }
772 
set_custom_mouse_cursor(const RES & p_cursor,CursorShape p_shape,const Vector2 & p_hotspot)773 void OSWinrt::set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) {
774 
775 	// FIXME:
776 	// Not implemented, some work needs to be done for this one
777 	// Might be a good source: https://stackoverflow.com/questions/43793745/set-custom-mouse-cursor-on-windows-10-universal-app-uwp
778 }
779 
execute(const String & p_path,const List<String> & p_arguments,bool p_blocking,ProcessID * r_child_id,String * r_pipe,int * r_exitcode,bool read_stderr)780 Error OSWinrt::execute(const String &p_path, const List<String> &p_arguments, bool p_blocking, ProcessID *r_child_id, String *r_pipe, int *r_exitcode, bool read_stderr) {
781 
782 	return FAILED;
783 };
784 
kill(const ProcessID & p_pid)785 Error OSWinrt::kill(const ProcessID &p_pid) {
786 
787 	return FAILED;
788 };
789 
set_cwd(const String & p_cwd)790 Error OSWinrt::set_cwd(const String &p_cwd) {
791 
792 	return FAILED;
793 }
794 
get_executable_path() const795 String OSWinrt::get_executable_path() const {
796 
797 	return "";
798 }
799 
set_icon(const Image & p_icon)800 void OSWinrt::set_icon(const Image &p_icon) {
801 }
802 
has_environment(const String & p_var) const803 bool OSWinrt::has_environment(const String &p_var) const {
804 
805 	return false;
806 };
807 
get_environment(const String & p_var) const808 String OSWinrt::get_environment(const String &p_var) const {
809 
810 	return "";
811 };
812 
get_stdin_string(bool p_block)813 String OSWinrt::get_stdin_string(bool p_block) {
814 
815 	return String();
816 }
817 
move_window_to_foreground()818 void OSWinrt::move_window_to_foreground() {
819 }
820 
shell_open(String p_uri)821 Error OSWinrt::shell_open(String p_uri) {
822 
823 	return FAILED;
824 }
825 
get_locale() const826 String OSWinrt::get_locale() const {
827 
828 #if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP // this should work on phone 8.1, but it doesn't
829 	return "en";
830 #else
831 	Platform::String ^ language = Windows::Globalization::Language::CurrentInputMethodLanguageTag;
832 	return String(language->Data()).replace("-", "_");
833 #endif
834 }
835 
release_rendering_thread()836 void OSWinrt::release_rendering_thread() {
837 
838 	gl_context->release_current();
839 }
840 
make_rendering_thread()841 void OSWinrt::make_rendering_thread() {
842 
843 	gl_context->make_current();
844 }
845 
swap_buffers()846 void OSWinrt::swap_buffers() {
847 
848 	gl_context->swap_buffers();
849 }
850 
has_touchscreen_ui_hint() const851 bool OSWinrt::has_touchscreen_ui_hint() const {
852 
853 	TouchCapabilities ^ tc = ref new TouchCapabilities();
854 	return tc->TouchPresent != 0 || UIViewSettings::GetForCurrentView()->UserInteractionMode == UserInteractionMode::Touch;
855 }
856 
has_virtual_keyboard() const857 bool OSWinrt::has_virtual_keyboard() const {
858 
859 	return UIViewSettings::GetForCurrentView()->UserInteractionMode == UserInteractionMode::Touch;
860 }
861 
show_virtual_keyboard(const String & p_existing_text,const Rect2 & p_screen_rect)862 void OSWinrt::show_virtual_keyboard(const String &p_existing_text, const Rect2 &p_screen_rect) {
863 
864 	InputPane ^ pane = InputPane::GetForCurrentView();
865 	pane->TryShow();
866 }
867 
hide_virtual_keyboard()868 void OSWinrt::hide_virtual_keyboard() {
869 
870 	InputPane ^ pane = InputPane::GetForCurrentView();
871 	pane->TryHide();
872 }
873 
run()874 void OSWinrt::run() {
875 
876 	if (!main_loop)
877 		return;
878 
879 	main_loop->init();
880 
881 	uint64_t last_ticks = get_ticks_usec();
882 
883 	int frames = 0;
884 	uint64_t frame = 0;
885 
886 	while (!force_quit) {
887 
888 		CoreWindow::GetForCurrentThread()->Dispatcher->ProcessEvents(CoreProcessEventsOption::ProcessAllIfPresent);
889 		if (managed_object->alert_close_handle) continue;
890 		process_events(); // get rid of pending events
891 		if (Main::iteration() == true)
892 			break;
893 	};
894 
895 	main_loop->finish();
896 }
897 
get_main_loop() const898 MainLoop *OSWinrt::get_main_loop() const {
899 
900 	return main_loop;
901 }
902 
get_data_dir() const903 String OSWinrt::get_data_dir() const {
904 
905 	Windows::Storage::StorageFolder ^ data_folder = Windows::Storage::ApplicationData::Current->LocalFolder;
906 
907 	return String(data_folder->Path->Data()).replace("\\", "/");
908 }
909 
OSWinrt()910 OSWinrt::OSWinrt() {
911 
912 	key_event_pos = 0;
913 	force_quit = false;
914 	alt_mem = false;
915 	gr_mem = false;
916 	shift_mem = false;
917 	control_mem = false;
918 	meta_mem = false;
919 	minimized = false;
920 
921 	pressrc = 0;
922 	old_invalid = true;
923 	last_id = 0;
924 	mouse_mode = MOUSE_MODE_VISIBLE;
925 #ifdef STDOUT_FILE
926 	stdo = fopen("stdout.txt", "wb");
927 #endif
928 
929 	gl_context = NULL;
930 
931 	display_request = ref new Windows::System::Display::DisplayRequest();
932 
933 	managed_object = ref new ManagedType;
934 	managed_object->os = this;
935 
936 	mouse_mode_changed = CreateEvent(NULL, TRUE, FALSE, L"os_mouse_mode_changed");
937 
938 	AudioDriverManagerSW::add_driver(&audio_driver);
939 }
940 
~OSWinrt()941 OSWinrt::~OSWinrt() {
942 #ifdef STDOUT_FILE
943 	fclose(stdo);
944 #endif
945 }
946