1/* Copyright (c) 2013-2017 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#include "CoreController.h"
  7
  8#include "ConfigController.h"
  9#include "InputController.h"
 10#include "LogController.h"
 11#include "MultiplayerController.h"
 12#include "Override.h"
 13
 14#include <QDateTime>
 15#include <QMutexLocker>
 16
 17#include <mgba/core/serialize.h>
 18#include <mgba/feature/video-logger.h>
 19#ifdef M_CORE_GBA
 20#include <mgba/internal/gba/gba.h>
 21#include <mgba/internal/gba/renderers/cache-set.h>
 22#include <mgba/internal/gba/sharkport.h>
 23#endif
 24#ifdef M_CORE_GB
 25#include <mgba/internal/gb/gb.h>
 26#include <mgba/internal/gb/renderers/cache-set.h>
 27#endif
 28#include <mgba-util/math.h>
 29#include <mgba-util/vfs.h>
 30
 31#define AUTOSAVE_GRANULARITY 600
 32
 33using namespace QGBA;
 34
 35CoreController::CoreController(mCore* core, QObject* parent)
 36	: QObject(parent)
 37	, m_saveStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_CHEATS | SAVESTATE_RTC)
 38	, m_loadStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_RTC)
 39{
 40	m_threadContext.core = core;
 41	m_threadContext.userData = this;
 42
 43	m_resetActions.append([this]() {
 44		if (m_autoload) {
 45			mCoreLoadState(m_threadContext.core, 0, m_loadStateFlags);
 46		}
 47	});
 48
 49	m_threadContext.startCallback = [](mCoreThread* context) {
 50		CoreController* controller = static_cast<CoreController*>(context->userData);
 51
 52		switch (context->core->platform(context->core)) {
 53#ifdef M_CORE_GBA
 54		case PLATFORM_GBA:
 55			context->core->setPeripheral(context->core, mPERIPH_GBA_LUMINANCE, controller->m_inputController->luminance());
 56			break;
 57#endif
 58		default:
 59			break;
 60		}
 61
 62		controller->updateFastForward();
 63
 64		if (controller->m_multiplayer) {
 65			controller->m_multiplayer->attachGame(controller);
 66		}
 67
 68		QMetaObject::invokeMethod(controller, "started");
 69	};
 70
 71	m_threadContext.resetCallback = [](mCoreThread* context) {
 72		CoreController* controller = static_cast<CoreController*>(context->userData);
 73		for (auto action : controller->m_resetActions) {
 74			action();
 75		}
 76
 77		if (controller->m_override) {
 78			controller->m_override->identify(context->core);
 79			controller->m_override->apply(context->core);
 80		}
 81
 82		controller->m_resetActions.clear();
 83
 84		if (!controller->m_hwaccel) {
 85			context->core->setVideoBuffer(context->core, reinterpret_cast<color_t*>(controller->m_activeBuffer.data()), controller->screenDimensions().width());
 86		}
 87
 88		QMetaObject::invokeMethod(controller, "didReset");
 89		controller->finishFrame();
 90	};
 91
 92	m_threadContext.frameCallback = [](mCoreThread* context) {
 93		CoreController* controller = static_cast<CoreController*>(context->userData);
 94
 95		if (controller->m_autosaveCounter == AUTOSAVE_GRANULARITY) {
 96			if (controller->m_autosave) {
 97				mCoreSaveState(context->core, 0, controller->m_saveStateFlags);
 98			}
 99			controller->m_autosaveCounter = 0;
100		}
101		++controller->m_autosaveCounter;
102
103		controller->finishFrame();
104	};
105
106	m_threadContext.cleanCallback = [](mCoreThread* context) {
107		CoreController* controller = static_cast<CoreController*>(context->userData);
108
109		if (controller->m_autosave) {
110			mCoreSaveState(context->core, 0, controller->m_saveStateFlags);
111		}
112
113		controller->clearMultiplayerController();
114		QMetaObject::invokeMethod(controller, "stopping");
115	};
116
117	m_threadContext.pauseCallback = [](mCoreThread* context) {
118		CoreController* controller = static_cast<CoreController*>(context->userData);
119
120		QMetaObject::invokeMethod(controller, "paused");
121	};
122
123	m_threadContext.unpauseCallback = [](mCoreThread* context) {
124		CoreController* controller = static_cast<CoreController*>(context->userData);
125
126		QMetaObject::invokeMethod(controller, "unpaused");
127	};
128
129	m_threadContext.logger.d.log = [](mLogger* logger, int category, enum mLogLevel level, const char* format, va_list args) {
130		mThreadLogger* logContext = reinterpret_cast<mThreadLogger*>(logger);
131		mCoreThread* context = logContext->p;
132
133		static const char* savestateMessage = "State %i saved";
134		static const char* loadstateMessage = "State %i loaded";
135		static const char* savestateFailedMessage = "State %i failed to load";
136		static int biosCat = -1;
137		static int statusCat = -1;
138		if (!context) {
139			return;
140		}
141		CoreController* controller = static_cast<CoreController*>(context->userData);
142		QString message;
143		if (biosCat < 0) {
144			biosCat = mLogCategoryById("gba.bios");
145		}
146		if (statusCat < 0) {
147			statusCat = mLogCategoryById("core.status");
148		}
149#ifdef M_CORE_GBA
150		if (level == mLOG_STUB && category == biosCat) {
151			va_list argc;
152			va_copy(argc, args);
153			int immediate = va_arg(argc, int);
154			va_end(argc);
155			QMetaObject::invokeMethod(controller, "unimplementedBiosCall", Q_ARG(int, immediate));
156		} else
157#endif
158		if (category == statusCat) {
159			// Slot 0 is reserved for suspend points
160			if (strncmp(loadstateMessage, format, strlen(loadstateMessage)) == 0) {
161				va_list argc;
162				va_copy(argc, args);
163				int slot = va_arg(argc, int);
164				va_end(argc);
165				if (slot == 0) {
166					format = "Loaded suspend state";
167				}
168			} else if (strncmp(savestateFailedMessage, format, strlen(savestateFailedMessage)) == 0 || strncmp(savestateMessage, format, strlen(savestateMessage)) == 0) {
169				va_list argc;
170				va_copy(argc, args);
171				int slot = va_arg(argc, int);
172				va_end(argc);
173				if (slot == 0) {
174					return;
175				}
176			}
177			message = QString().vsprintf(format, args);
178			QMetaObject::invokeMethod(controller, "statusPosted", Q_ARG(const QString&, message));
179		}
180		message = QString().vsprintf(format, args);
181		QMetaObject::invokeMethod(controller, "logPosted", Q_ARG(int, level), Q_ARG(int, category), Q_ARG(const QString&, message));
182		if (level == mLOG_FATAL) {
183			QMetaObject::invokeMethod(controller, "crashed", Q_ARG(const QString&, QString().vsprintf(format, args)));
184		}
185	};
186}
187
188CoreController::~CoreController() {
189	endVideoLog();
190	stop();
191	disconnect();
192
193	mCoreThreadJoin(&m_threadContext);
194
195	if (m_cacheSet) {
196		mCacheSetDeinit(m_cacheSet.get());
197		m_cacheSet.reset();
198	}
199
200	mCoreConfigDeinit(&m_threadContext.core->config);
201	m_threadContext.core->deinit(m_threadContext.core);
202}
203
204const color_t* CoreController::drawContext() {
205	if (m_hwaccel) {
206		return nullptr;
207	}
208	QMutexLocker locker(&m_bufferMutex);
209	return reinterpret_cast<const color_t*>(m_completeBuffer.constData());
210}
211
212QImage CoreController::getPixels() {
213	QByteArray buffer;
214	QSize size = screenDimensions();
215	size_t stride = size.width() * BYTES_PER_PIXEL;
216
217	if (!m_hwaccel) {
218		buffer = m_completeBuffer;
219	} else {
220		Interrupter interrupter(this);
221		const void* pixels;
222		m_threadContext.core->getPixels(m_threadContext.core, &pixels, &stride);
223		stride *= BYTES_PER_PIXEL;
224		buffer = QByteArray::fromRawData(static_cast<const char*>(pixels), stride * size.height());
225	}
226
227	QImage image(reinterpret_cast<const uchar*>(buffer.constData()),
228	             size.width(), size.height(), stride, QImage::Format_RGBX8888);
229	image.bits(); // Cause QImage to detach
230	return image;
231}
232
233bool CoreController::isPaused() {
234	return mCoreThreadIsPaused(&m_threadContext);
235}
236
237bool CoreController::hasStarted() {
238	return mCoreThreadHasStarted(&m_threadContext);
239}
240
241mPlatform CoreController::platform() const {
242	return m_threadContext.core->platform(m_threadContext.core);
243}
244
245QSize CoreController::screenDimensions() const {
246	unsigned width, height;
247	m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
248
249	return QSize(width, height);
250}
251
252void CoreController::loadConfig(ConfigController* config) {
253	Interrupter interrupter(this);
254	m_loadStateFlags = config->getOption("loadStateExtdata", m_loadStateFlags).toInt();
255	m_saveStateFlags = config->getOption("saveStateExtdata", m_saveStateFlags).toInt();
256	m_fastForwardRatio = config->getOption("fastForwardRatio", m_fastForwardRatio).toFloat();
257	m_fastForwardHeldRatio = config->getOption("fastForwardHeldRatio", m_fastForwardRatio).toFloat();
258	m_videoSync = config->getOption("videoSync", m_videoSync).toInt();
259	m_audioSync = config->getOption("audioSync", m_audioSync).toInt();
260	m_fpsTarget = config->getOption("fpsTarget").toFloat();
261	m_autosave = config->getOption("autosave", false).toInt();
262	m_autoload = config->getOption("autoload", true).toInt();
263	m_autofireThreshold = config->getOption("autofireThreshold", m_autofireThreshold).toInt();
264	m_fastForwardVolume = config->getOption("fastForwardVolume", -1).toInt();
265	m_fastForwardMute = config->getOption("fastForwardMute", -1).toInt();
266	mCoreConfigCopyValue(&m_threadContext.core->config, config->config(), "volume");
267	mCoreConfigCopyValue(&m_threadContext.core->config, config->config(), "mute");
268	mCoreLoadForeignConfig(m_threadContext.core, config->config());
269	if (hasStarted()) {
270		updateFastForward();
271		mCoreThreadRewindParamsChanged(&m_threadContext);
272	}
273}
274
275#ifdef USE_DEBUGGERS
276void CoreController::setDebugger(mDebugger* debugger) {
277	Interrupter interrupter(this);
278	if (debugger) {
279		mDebuggerAttach(debugger, m_threadContext.core);
280		mDebuggerEnter(debugger, DEBUGGER_ENTER_ATTACHED, 0);
281	} else {
282		m_threadContext.core->detachDebugger(m_threadContext.core);
283	}
284}
285#endif
286
287void CoreController::setMultiplayerController(MultiplayerController* controller) {
288	if (controller == m_multiplayer) {
289		return;
290	}
291	clearMultiplayerController();
292	m_multiplayer = controller;
293	if (!mCoreThreadHasStarted(&m_threadContext)) {
294		return;
295	}
296	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* thread) {
297		CoreController* controller = static_cast<CoreController*>(thread->userData);
298		controller->m_multiplayer->attachGame(controller);
299	});
300}
301
302void CoreController::clearMultiplayerController() {
303	if (!m_multiplayer) {
304		return;
305	}
306	m_multiplayer->detachGame(this);
307	m_multiplayer = nullptr;
308}
309
310mCacheSet* CoreController::graphicCaches() {
311	if (m_cacheSet) {
312		return m_cacheSet.get();
313	}
314	Interrupter interrupter(this);
315	switch (platform()) {
316#ifdef M_CORE_GBA
317	case PLATFORM_GBA: {
318		GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
319		m_cacheSet = std::make_unique<mCacheSet>();
320		GBAVideoCacheInit(m_cacheSet.get());
321		GBAVideoCacheAssociate(m_cacheSet.get(), &gba->video);
322		break;
323	}
324#endif
325#ifdef M_CORE_GB
326	case PLATFORM_GB: {
327		GB* gb = static_cast<GB*>(m_threadContext.core->board);
328		m_cacheSet = std::make_unique<mCacheSet>();
329		GBVideoCacheInit(m_cacheSet.get());
330		GBVideoCacheAssociate(m_cacheSet.get(), &gb->video);
331		break;
332	}
333#endif
334	default:
335		return nullptr;
336	}
337	return m_cacheSet.get();
338}
339
340void CoreController::setOverride(std::unique_ptr<Override> override) {
341	Interrupter interrupter(this);
342	m_override = std::move(override);
343	m_override->identify(m_threadContext.core);
344}
345
346void CoreController::setInputController(InputController* inputController) {
347	m_inputController = inputController;
348	m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_ROTATION, m_inputController->rotationSource());
349	m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_RUMBLE, m_inputController->rumble());
350	m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_IMAGE_SOURCE, m_inputController->imageSource());
351}
352
353void CoreController::setLogger(LogController* logger) {
354	disconnect(m_log);
355	m_log = logger;
356	m_threadContext.logger.d.filter = logger->filter();
357	connect(this, &CoreController::logPosted, m_log, &LogController::postLog);
358}
359
360void CoreController::start() {
361	if (!m_hwaccel) {
362		QSize size(256, 224);
363		m_activeBuffer.resize(size.width() * size.height() * sizeof(color_t));
364		m_activeBuffer.fill(0xFF);
365		m_completeBuffer = m_activeBuffer;
366
367		m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer.data()), size.width());
368	}
369
370	if (!m_patched) {
371		mCoreAutoloadPatch(m_threadContext.core);
372	}
373	if (!mCoreThreadStart(&m_threadContext)) {
374		emit failed();
375		emit stopping();
376	}
377}
378
379void CoreController::stop() {
380	setSync(false);
381#ifdef USE_DEBUGGERS
382	setDebugger(nullptr);
383#endif
384	setPaused(false);
385	mCoreThreadEnd(&m_threadContext);
386}
387
388void CoreController::reset() {
389	bool wasPaused = isPaused();
390	setPaused(false);
391	Interrupter interrupter(this);
392	mCoreThreadReset(&m_threadContext);
393	if (wasPaused) {
394		setPaused(true);
395	}
396}
397
398void CoreController::setPaused(bool paused) {
399	if (paused == isPaused()) {
400		return;
401	}
402	if (paused) {
403		addFrameAction([this]() {
404			mCoreThreadPauseFromThread(&m_threadContext);
405		});
406	} else {
407		mCoreThreadUnpause(&m_threadContext);
408	}
409}
410
411void CoreController::frameAdvance() {
412	addFrameAction([this]() {
413		mCoreThreadPauseFromThread(&m_threadContext);
414	});
415	setPaused(false);
416}
417
418void CoreController::addFrameAction(std::function<void ()> action) {
419	QMutexLocker locker(&m_actionMutex);
420	m_frameActions.append(action);
421}
422
423void CoreController::setSync(bool sync) {
424	if (sync) {
425		m_threadContext.impl->sync.audioWait = m_audioSync;
426		m_threadContext.impl->sync.videoFrameWait = m_videoSync;
427	} else {
428		m_threadContext.impl->sync.audioWait = false;
429		m_threadContext.impl->sync.videoFrameWait = false;
430	}
431}
432
433void CoreController::setRewinding(bool rewind) {
434	if (!m_threadContext.core->opts.rewindEnable) {
435		return;
436	}
437	if (rewind && m_multiplayer && m_multiplayer->attached() > 1) {
438		return;
439	}
440
441	if (rewind && isPaused()) {
442		setPaused(false);
443		// TODO: restore autopausing
444	}
445	mCoreThreadSetRewinding(&m_threadContext, rewind);
446}
447
448void CoreController::rewind(int states) {
449	{
450		Interrupter interrupter(this);
451		if (!states) {
452			states = INT_MAX;
453		}
454		for (int i = 0; i < states; ++i) {
455			if (!mCoreRewindRestore(&m_threadContext.impl->rewind, m_threadContext.core)) {
456				break;
457			}
458		}
459	}
460	emit frameAvailable();
461	emit rewound();
462}
463
464void CoreController::setFastForward(bool enable) {
465	if (m_fastForward == enable) {
466		return;
467	}
468	m_fastForward = enable;
469	updateFastForward();
470	emit fastForwardChanged(enable);
471}
472
473void CoreController::forceFastForward(bool enable) {
474	if (m_fastForwardForced == enable) {
475		return;
476	}
477	m_fastForwardForced = enable;
478	updateFastForward();
479	emit fastForwardChanged(enable || m_fastForward);
480}
481
482void CoreController::loadState(int slot) {
483	if (slot > 0 && slot != m_stateSlot) {
484		m_stateSlot = slot;
485		m_backupSaveState.clear();
486	}
487	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
488		CoreController* controller = static_cast<CoreController*>(context->userData);
489		if (!controller->m_backupLoadState.isOpen()) {
490			controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
491		}
492		mCoreSaveStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
493		if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
494			emit controller->frameAvailable();
495			emit controller->stateLoaded();
496		}
497	});
498}
499
500void CoreController::loadState(const QString& path) {
501	m_statePath = path;
502	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
503		CoreController* controller = static_cast<CoreController*>(context->userData);
504		VFile* vf = VFileDevice::open(controller->m_statePath, O_RDONLY);
505		if (!vf) {
506			return;
507		}
508		if (!controller->m_backupLoadState.isOpen()) {
509			controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
510		}
511		mCoreSaveStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
512		if (mCoreLoadStateNamed(context->core, vf, controller->m_loadStateFlags)) {
513			emit controller->frameAvailable();
514			emit controller->stateLoaded();
515		}
516		vf->close(vf);
517	});
518}
519
520void CoreController::saveState(int slot) {
521	if (slot > 0) {
522		m_stateSlot = slot;
523	}
524	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
525		CoreController* controller = static_cast<CoreController*>(context->userData);
526		VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, false);
527		if (vf) {
528			controller->m_backupSaveState.resize(vf->size(vf));
529			vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
530			vf->close(vf);
531		}
532		mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
533	});
534}
535
536void CoreController::saveState(const QString& path) {
537	m_statePath = path;
538	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
539		CoreController* controller = static_cast<CoreController*>(context->userData);
540		VFile* vf = VFileDevice::open(controller->m_statePath, O_RDONLY);
541		if (vf) {
542			controller->m_backupSaveState.resize(vf->size(vf));
543			vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
544			vf->close(vf);
545		}
546		vf = VFileDevice::open(controller->m_statePath, O_WRONLY | O_CREAT | O_TRUNC);
547		if (!vf) {
548			return;
549		}
550		mCoreSaveStateNamed(context->core, vf, controller->m_saveStateFlags);
551		vf->close(vf);
552	});
553}
554
555void CoreController::loadBackupState() {
556	if (!m_backupLoadState.isOpen()) {
557		return;
558	}
559
560	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
561		CoreController* controller = static_cast<CoreController*>(context->userData);
562		controller->m_backupLoadState.seek(0);
563		if (mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
564			mLOG(STATUS, INFO, "Undid state load");
565			controller->frameAvailable();
566			controller->stateLoaded();
567		}
568		controller->m_backupLoadState.close();
569	});
570}
571
572void CoreController::saveBackupState() {
573	if (m_backupSaveState.isEmpty()) {
574		return;
575	}
576
577	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
578		CoreController* controller = static_cast<CoreController*>(context->userData);
579		VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, true);
580		if (vf) {
581			vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
582			vf->close(vf);
583			mLOG(STATUS, INFO, "Undid state save");
584		}
585		controller->m_backupSaveState.clear();
586	});
587}
588
589void CoreController::loadSave(const QString& path, bool temporary) {
590	m_resetActions.append([this, path, temporary]() {
591		VFile* vf = VFileDevice::open(path, temporary ? O_RDONLY : O_RDWR);
592		if (!vf) {
593			LOG(QT, ERROR) << tr("Failed to open save file: %1").arg(path);
594			return;
595		}
596
597		if (temporary) {
598			m_threadContext.core->loadTemporarySave(m_threadContext.core, vf);
599		} else {
600			m_threadContext.core->loadSave(m_threadContext.core, vf);
601		}
602	});
603	reset();
604}
605
606void CoreController::loadPatch(const QString& patchPath) {
607	Interrupter interrupter(this);
608	VFile* patch = VFileDevice::open(patchPath, O_RDONLY);
609	if (patch) {
610		m_threadContext.core->loadPatch(m_threadContext.core, patch);
611		m_patched = true;
612		patch->close(patch);
613	}
614	if (mCoreThreadHasStarted(&m_threadContext)) {
615		reset();
616	}
617}
618
619void CoreController::replaceGame(const QString& path) {
620	QFileInfo info(path);
621	if (!info.isReadable()) {
622		LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
623		return;
624	}
625	QString fname = info.canonicalFilePath();
626	Interrupter interrupter(this);
627	mDirectorySetDetachBase(&m_threadContext.core->dirs);
628	mCoreLoadFile(m_threadContext.core, fname.toUtf8().constData());
629}
630
631void CoreController::yankPak() {
632	Interrupter interrupter(this);
633
634	switch (platform()) {
635	case PLATFORM_GBA:
636		GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
637		break;
638	case PLATFORM_GB:
639		GBYankROM(static_cast<GB*>(m_threadContext.core->board));
640		break;
641	}
642}
643
644void CoreController::addKey(int key) {
645	m_activeKeys |= 1 << key;
646}
647
648void CoreController::clearKey(int key) {
649	m_activeKeys &= ~(1 << key);
650}
651
652void CoreController::setAutofire(int key, bool enable) {
653	if (key >= 32 || key < 0) {
654		return;
655	}
656
657	m_autofire[key] = enable;
658	m_autofireStatus[key] = 0;
659}
660
661#ifdef USE_PNG
662void CoreController::screenshot() {
663	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
664		mCoreTakeScreenshot(context->core);
665	});
666}
667#endif
668
669void CoreController::setRealTime() {
670	m_threadContext.core->rtc.override = RTC_NO_OVERRIDE;
671}
672
673void CoreController::setFixedTime(const QDateTime& time) {
674	m_threadContext.core->rtc.override = RTC_FIXED;
675	m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
676}
677
678void CoreController::setFakeEpoch(const QDateTime& time) {
679	m_threadContext.core->rtc.override = RTC_FAKE_EPOCH;
680	m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
681}
682
683void CoreController::importSharkport(const QString& path) {
684#ifdef M_CORE_GBA
685	if (platform() != PLATFORM_GBA) {
686		return;
687	}
688	VFile* vf = VFileDevice::open(path, O_RDONLY);
689	if (!vf) {
690		LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
691		return;
692	}
693	Interrupter interrupter(this);
694	GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
695	vf->close(vf);
696#endif
697}
698
699void CoreController::exportSharkport(const QString& path) {
700#ifdef M_CORE_GBA
701	if (platform() != PLATFORM_GBA) {
702		return;
703	}
704	VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
705	if (!vf) {
706		LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
707		return;
708	}
709	Interrupter interrupter(this);
710	GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
711	vf->close(vf);
712#endif
713}
714
715#ifdef M_CORE_GB
716void CoreController::attachPrinter() {
717	if (platform() != PLATFORM_GB) {
718		return;
719	}
720	GB* gb = static_cast<GB*>(m_threadContext.core->board);
721	clearMultiplayerController();
722	GBPrinterCreate(&m_printer.d);
723	m_printer.parent = this;
724	m_printer.d.print = [](GBPrinter* printer, int height, const uint8_t* data) {
725		QGBPrinter* qPrinter = reinterpret_cast<QGBPrinter*>(printer);
726		QImage image(GB_VIDEO_HORIZONTAL_PIXELS, height, QImage::Format_Indexed8);
727		QVector<QRgb> colors;
728		colors.append(qRgb(0xF8, 0xF8, 0xF8));
729		colors.append(qRgb(0xA8, 0xA8, 0xA8));
730		colors.append(qRgb(0x50, 0x50, 0x50));
731		colors.append(qRgb(0x00, 0x00, 0x00));
732		image.setColorTable(colors);
733		for (int y = 0; y < height; ++y) {
734			for (int x = 0; x < GB_VIDEO_HORIZONTAL_PIXELS; x += 4) {
735				uint8_t byte = data[(x + y * GB_VIDEO_HORIZONTAL_PIXELS) / 4];
736				image.setPixel(x + 0, y, (byte & 0xC0) >> 6);
737				image.setPixel(x + 1, y, (byte & 0x30) >> 4);
738				image.setPixel(x + 2, y, (byte & 0x0C) >> 2);
739				image.setPixel(x + 3, y, (byte & 0x03) >> 0);
740			}
741		}
742		QMetaObject::invokeMethod(qPrinter->parent, "imagePrinted", Q_ARG(const QImage&, image));
743	};
744	Interrupter interrupter(this);
745	GBSIOSetDriver(&gb->sio, &m_printer.d.d);
746}
747
748void CoreController::detachPrinter() {
749	if (platform() != PLATFORM_GB) {
750		return;
751	}
752	Interrupter interrupter(this);
753	GB* gb = static_cast<GB*>(m_threadContext.core->board);
754	GBPrinterDonePrinting(&m_printer.d);
755	GBSIOSetDriver(&gb->sio, nullptr);
756}
757
758void CoreController::endPrint() {
759	if (platform() != PLATFORM_GB) {
760		return;
761	}
762	Interrupter interrupter(this);
763	GBPrinterDonePrinting(&m_printer.d);
764}
765#endif
766
767#ifdef M_CORE_GBA
768void CoreController::attachBattleChipGate() {
769	if (platform() != PLATFORM_GBA) {
770		return;
771	}
772	Interrupter interrupter(this);
773	clearMultiplayerController();
774	GBASIOBattlechipGateCreate(&m_battlechip);
775	m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_GBA_BATTLECHIP_GATE, &m_battlechip);
776}
777
778void CoreController::detachBattleChipGate() {
779	if (platform() != PLATFORM_GBA) {
780		return;
781	}
782	Interrupter interrupter(this);
783	m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_GBA_BATTLECHIP_GATE, nullptr);
784}
785
786void CoreController::setBattleChipId(uint16_t id) {
787	if (platform() != PLATFORM_GBA) {
788		return;
789	}
790	Interrupter interrupter(this);
791	m_battlechip.chipId = id;
792}
793
794void CoreController::setBattleChipFlavor(int flavor) {
795	if (platform() != PLATFORM_GBA) {
796		return;
797	}
798	Interrupter interrupter(this);
799	m_battlechip.flavor = flavor;
800}
801#endif
802
803void CoreController::setAVStream(mAVStream* stream) {
804	Interrupter interrupter(this);
805	m_threadContext.core->setAVStream(m_threadContext.core, stream);
806}
807
808void CoreController::clearAVStream() {
809	Interrupter interrupter(this);
810	m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
811}
812
813void CoreController::clearOverride() {
814	m_override.reset();
815}
816
817void CoreController::startVideoLog(const QString& path, bool compression) {
818	if (m_vl) {
819		return;
820	}
821
822	VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
823	if (!vf) {
824		return;
825	}
826	startVideoLog(vf);
827}
828
829void CoreController::startVideoLog(VFile* vf, bool compression) {
830	if (m_vl || !vf) {
831		return;
832	}
833
834	Interrupter interrupter(this);
835	m_vl = mVideoLogContextCreate(m_threadContext.core);
836	m_vlVf = vf;
837	mVideoLogContextSetOutput(m_vl, m_vlVf);
838	mVideoLogContextSetCompression(m_vl, compression);
839	mVideoLogContextWriteHeader(m_vl, m_threadContext.core);
840}
841
842void CoreController::endVideoLog(bool closeVf) {
843	if (!m_vl) {
844		return;
845	}
846
847	Interrupter interrupter(this);
848	mVideoLogContextDestroy(m_threadContext.core, m_vl);
849	if (m_vlVf && closeVf) {
850		m_vlVf->close(m_vlVf);
851		m_vlVf = nullptr;
852	}
853	m_vl = nullptr;
854}
855
856void CoreController::setFramebufferHandle(int fb) {
857	Interrupter interrupter(this);
858	if (fb < 0) {
859		m_hwaccel = false;
860	} else {
861		m_threadContext.core->setVideoGLTex(m_threadContext.core, fb);
862		m_hwaccel = true;
863	}
864}
865
866void CoreController::updateKeys() {
867	int activeKeys = m_activeKeys | updateAutofire() | m_inputController->pollEvents();
868	m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
869}
870
871int CoreController::updateAutofire() {
872	int active = 0;
873	for (int k = 0; k < 32; ++k) {
874		if (!m_autofire[k]) {
875			continue;
876		}
877		++m_autofireStatus[k];
878		if (m_autofireStatus[k] >= 2 * m_autofireThreshold) {
879			m_autofireStatus[k] = 0;
880		} else if (m_autofireStatus[k] >= m_autofireThreshold) {
881			active |= 1 << k;
882		}
883	}
884	return active;
885}
886
887void CoreController::finishFrame() {
888	if (!m_hwaccel) {
889		unsigned width, height;
890		m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
891
892		QMutexLocker locker(&m_bufferMutex);
893		memcpy(m_completeBuffer.data(), m_activeBuffer.constData(), 256 * height * BYTES_PER_PIXEL);
894	}
895
896	QMutexLocker locker(&m_actionMutex);
897	QList<std::function<void ()>> frameActions(m_frameActions);
898	m_frameActions.clear();
899	for (auto& action : frameActions) {
900		action();
901	}
902	updateKeys();
903
904	QMetaObject::invokeMethod(this, "frameAvailable");
905}
906
907void CoreController::updateFastForward() {
908	// If we have "Fast forward" checked in the menu (m_fastForwardForced)
909	// or are holding the fast forward button (m_fastForward):
910	if (m_fastForward || m_fastForwardForced) {
911		if (m_fastForwardVolume >= 0) {
912			m_threadContext.core->opts.volume = m_fastForwardVolume;
913		}
914		if (m_fastForwardMute >= 0) {
915			m_threadContext.core->opts.mute = m_fastForwardMute;
916		}
917
918		// If we aren't holding the fast forward button
919		// then use the non "(held)" ratio
920		if(!m_fastForward) {
921			if (m_fastForwardRatio > 0) {
922				m_threadContext.impl->sync.fpsTarget = m_fpsTarget * m_fastForwardRatio;
923				setSync(true);
924			}	else {
925				setSync(false);
926			}
927		} else {
928			// If we are holding the fast forward button,
929			// then use the held ratio
930			if (m_fastForwardHeldRatio > 0) {
931				m_threadContext.impl->sync.fpsTarget = m_fpsTarget * m_fastForwardHeldRatio;
932				setSync(true);
933			} else {
934				setSync(false);
935			}
936		}
937	} else {
938		if (!mCoreConfigGetIntValue(&m_threadContext.core->config, "volume", &m_threadContext.core->opts.volume)) {
939			m_threadContext.core->opts.volume = 0x100;
940		}
941		int fakeBool = 0;
942		mCoreConfigGetIntValue(&m_threadContext.core->config, "mute", &fakeBool);
943		m_threadContext.core->opts.mute = fakeBool;
944		m_threadContext.impl->sync.fpsTarget = m_fpsTarget;
945		setSync(true);
946	}
947
948	m_threadContext.core->reloadConfigOption(m_threadContext.core, NULL, NULL);
949}
950
951CoreController::Interrupter::Interrupter(CoreController* parent, bool fromThread)
952	: m_parent(parent)
953{
954	if (!m_parent->thread()->impl) {
955		return;
956	}
957	if (!fromThread) {
958		mCoreThreadInterrupt(m_parent->thread());
959	} else {
960		mCoreThreadInterruptFromThread(m_parent->thread());
961	}
962}
963
964CoreController::Interrupter::Interrupter(std::shared_ptr<CoreController> parent, bool fromThread)
965	: m_parent(parent.get())
966{
967	if (!m_parent->thread()->impl) {
968		return;
969	}
970	if (!fromThread) {
971		mCoreThreadInterrupt(m_parent->thread());
972	} else {
973		mCoreThreadInterruptFromThread(m_parent->thread());
974	}
975}
976
977CoreController::Interrupter::Interrupter(const Interrupter& other)
978	: m_parent(other.m_parent)
979{
980	if (!m_parent->thread()->impl) {
981		return;
982	}
983	mCoreThreadInterrupt(m_parent->thread());
984}
985
986CoreController::Interrupter::~Interrupter() {
987	if (!m_parent->thread()->impl) {
988		return;
989	}
990	mCoreThreadContinue(m_parent->thread());
991}