all repos — mgba @ 863bcfc0dfa76beab20c4053bf23c87b3c639985

mGBA Game Boy Advance Emulator

src/platform/qt/CoreController.cpp (view raw)

   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 "feature/sqlite3/no-intro.h"
  29#include <mgba-util/math.h>
  30#include <mgba-util/vfs.h>
  31
  32#define AUTOSAVE_GRANULARITY 600
  33
  34using namespace QGBA;
  35
  36CoreController::CoreController(mCore* core, QObject* parent)
  37	: QObject(parent)
  38	, m_loadStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_RTC)
  39	, m_saveStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_CHEATS | SAVESTATE_RTC)
  40{
  41	m_threadContext.core = core;
  42	m_threadContext.userData = this;
  43	updateROMInfo();
  44
  45	m_resetActions.append([this]() {
  46		if (m_autoload) {
  47			mCoreLoadState(m_threadContext.core, 0, m_loadStateFlags);
  48		}
  49	});
  50
  51	m_threadContext.startCallback = [](mCoreThread* context) {
  52		CoreController* controller = static_cast<CoreController*>(context->userData);
  53
  54		switch (context->core->platform(context->core)) {
  55#ifdef M_CORE_GBA
  56		case mPLATFORM_GBA:
  57			context->core->setPeripheral(context->core, mPERIPH_GBA_LUMINANCE, controller->m_inputController->luminance());
  58			break;
  59#endif
  60		default:
  61			break;
  62		}
  63
  64		controller->updateFastForward();
  65
  66		if (controller->m_multiplayer) {
  67			controller->m_multiplayer->attachGame(controller);
  68		}
  69
  70		QMetaObject::invokeMethod(controller, "started");
  71	};
  72
  73	m_threadContext.resetCallback = [](mCoreThread* context) {
  74		CoreController* controller = static_cast<CoreController*>(context->userData);
  75		for (auto action : controller->m_resetActions) {
  76			action();
  77		}
  78
  79		if (controller->m_override) {
  80			controller->m_override->identify(context->core);
  81			controller->m_override->apply(context->core);
  82		}
  83
  84		controller->m_resetActions.clear();
  85
  86		if (!controller->m_hwaccel) {
  87			context->core->setVideoBuffer(context->core, reinterpret_cast<color_t*>(controller->m_activeBuffer.data()), controller->screenDimensions().width());
  88		}
  89
  90		QMetaObject::invokeMethod(controller, "didReset");
  91		controller->finishFrame();
  92	};
  93
  94	m_threadContext.frameCallback = [](mCoreThread* context) {
  95		CoreController* controller = static_cast<CoreController*>(context->userData);
  96
  97		if (controller->m_autosaveCounter == AUTOSAVE_GRANULARITY) {
  98			if (controller->m_autosave) {
  99				mCoreSaveState(context->core, 0, controller->m_saveStateFlags);
 100			}
 101			controller->m_autosaveCounter = 0;
 102		}
 103		++controller->m_autosaveCounter;
 104
 105		controller->finishFrame();
 106	};
 107
 108	m_threadContext.cleanCallback = [](mCoreThread* context) {
 109		CoreController* controller = static_cast<CoreController*>(context->userData);
 110
 111		if (controller->m_autosave) {
 112			mCoreSaveState(context->core, 0, controller->m_saveStateFlags);
 113		}
 114
 115		controller->clearMultiplayerController();
 116		QMetaObject::invokeMethod(controller, "stopping");
 117	};
 118
 119	m_threadContext.pauseCallback = [](mCoreThread* context) {
 120		CoreController* controller = static_cast<CoreController*>(context->userData);
 121
 122		QMetaObject::invokeMethod(controller, "paused");
 123	};
 124
 125	m_threadContext.unpauseCallback = [](mCoreThread* context) {
 126		CoreController* controller = static_cast<CoreController*>(context->userData);
 127
 128		QMetaObject::invokeMethod(controller, "unpaused");
 129	};
 130
 131	m_threadContext.logger.d.log = [](mLogger* logger, int category, enum mLogLevel level, const char* format, va_list args) {
 132		mThreadLogger* logContext = reinterpret_cast<mThreadLogger*>(logger);
 133		mCoreThread* context = logContext->p;
 134
 135		static const char* savestateMessage = "State %i saved";
 136		static const char* loadstateMessage = "State %i loaded";
 137		static const char* savestateFailedMessage = "State %i failed to load";
 138		static int biosCat = -1;
 139		static int statusCat = -1;
 140		if (!context) {
 141			return;
 142		}
 143		CoreController* controller = static_cast<CoreController*>(context->userData);
 144		QString message;
 145		if (biosCat < 0) {
 146			biosCat = mLogCategoryById("gba.bios");
 147		}
 148		if (statusCat < 0) {
 149			statusCat = mLogCategoryById("core.status");
 150		}
 151#ifdef M_CORE_GBA
 152		if (level == mLOG_STUB && category == biosCat) {
 153			va_list argc;
 154			va_copy(argc, args);
 155			int immediate = va_arg(argc, int);
 156			va_end(argc);
 157			QMetaObject::invokeMethod(controller, "unimplementedBiosCall", Q_ARG(int, immediate));
 158		} else
 159#endif
 160		if (category == statusCat) {
 161			// Slot 0 is reserved for suspend points
 162			if (strncmp(loadstateMessage, format, strlen(loadstateMessage)) == 0) {
 163				va_list argc;
 164				va_copy(argc, args);
 165				int slot = va_arg(argc, int);
 166				va_end(argc);
 167				if (slot == 0) {
 168					format = "Loaded suspend state";
 169				}
 170			} else if (strncmp(savestateFailedMessage, format, strlen(savestateFailedMessage)) == 0 || strncmp(savestateMessage, format, strlen(savestateMessage)) == 0) {
 171				va_list argc;
 172				va_copy(argc, args);
 173				int slot = va_arg(argc, int);
 174				va_end(argc);
 175				if (slot == 0) {
 176					return;
 177				}
 178			}
 179			message = QString().vsprintf(format, args);
 180			QMetaObject::invokeMethod(controller, "statusPosted", Q_ARG(const QString&, message));
 181		}
 182		message = QString().vsprintf(format, args);
 183		QMetaObject::invokeMethod(controller, "logPosted", Q_ARG(int, level), Q_ARG(int, category), Q_ARG(const QString&, message));
 184		if (level == mLOG_FATAL) {
 185			QMetaObject::invokeMethod(controller, "crashed", Q_ARG(const QString&, QString().vsprintf(format, args)));
 186		}
 187	};
 188}
 189
 190CoreController::~CoreController() {
 191	endVideoLog();
 192	stop();
 193	disconnect();
 194
 195	mCoreThreadJoin(&m_threadContext);
 196
 197	if (m_cacheSet) {
 198		mCacheSetDeinit(m_cacheSet.get());
 199		m_cacheSet.reset();
 200	}
 201
 202	mCoreConfigDeinit(&m_threadContext.core->config);
 203	m_threadContext.core->deinit(m_threadContext.core);
 204}
 205
 206const color_t* CoreController::drawContext() {
 207	if (m_hwaccel) {
 208		return nullptr;
 209	}
 210	QMutexLocker locker(&m_bufferMutex);
 211	return reinterpret_cast<const color_t*>(m_completeBuffer.constData());
 212}
 213
 214QImage CoreController::getPixels() {
 215	QByteArray buffer;
 216	QSize size = screenDimensions();
 217	size_t stride = size.width() * BYTES_PER_PIXEL;
 218
 219	if (!m_hwaccel) {
 220		buffer = m_completeBuffer;
 221	} else {
 222		Interrupter interrupter(this);
 223		const void* pixels;
 224		m_threadContext.core->getPixels(m_threadContext.core, &pixels, &stride);
 225		stride *= BYTES_PER_PIXEL;
 226		buffer = QByteArray::fromRawData(static_cast<const char*>(pixels), stride * size.height());
 227	}
 228
 229	QImage image(reinterpret_cast<const uchar*>(buffer.constData()),
 230	             size.width(), size.height(), stride, QImage::Format_RGBX8888);
 231	image.bits(); // Cause QImage to detach
 232	return image;
 233}
 234
 235bool CoreController::isPaused() {
 236	return mCoreThreadIsPaused(&m_threadContext);
 237}
 238
 239bool CoreController::hasStarted() {
 240	return mCoreThreadHasStarted(&m_threadContext);
 241}
 242
 243mPlatform CoreController::platform() const {
 244	return m_threadContext.core->platform(m_threadContext.core);
 245}
 246
 247QSize CoreController::screenDimensions() const {
 248	unsigned width, height;
 249	m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
 250
 251	return QSize(width, height);
 252}
 253
 254void CoreController::loadConfig(ConfigController* config) {
 255	Interrupter interrupter(this);
 256	m_loadStateFlags = config->getOption("loadStateExtdata", m_loadStateFlags).toInt();
 257	m_saveStateFlags = config->getOption("saveStateExtdata", m_saveStateFlags).toInt();
 258	m_fastForwardRatio = config->getOption("fastForwardRatio", m_fastForwardRatio).toFloat();
 259	m_fastForwardHeldRatio = config->getOption("fastForwardHeldRatio", m_fastForwardRatio).toFloat();
 260	m_videoSync = config->getOption("videoSync", m_videoSync).toInt();
 261	m_audioSync = config->getOption("audioSync", m_audioSync).toInt();
 262	m_fpsTarget = config->getOption("fpsTarget").toFloat();
 263	m_autosave = config->getOption("autosave", false).toInt();
 264	m_autoload = config->getOption("autoload", true).toInt();
 265	m_autofireThreshold = config->getOption("autofireThreshold", m_autofireThreshold).toInt();
 266	m_fastForwardVolume = config->getOption("fastForwardVolume", -1).toInt();
 267	m_fastForwardMute = config->getOption("fastForwardMute", -1).toInt();
 268	mCoreConfigCopyValue(&m_threadContext.core->config, config->config(), "volume");
 269	mCoreConfigCopyValue(&m_threadContext.core->config, config->config(), "mute");
 270
 271	QSize sizeBefore = screenDimensions();
 272	m_activeBuffer.resize(256 * 224 * sizeof(color_t));
 273	m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer.data()), sizeBefore.width());
 274
 275	mCoreLoadForeignConfig(m_threadContext.core, config->config());
 276
 277	QSize sizeAfter = screenDimensions();
 278	m_activeBuffer.resize(sizeAfter.width() * sizeAfter.height() * sizeof(color_t));
 279	m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer.data()), sizeAfter.width());
 280
 281	if (hasStarted()) {
 282		updateFastForward();
 283		mCoreThreadRewindParamsChanged(&m_threadContext);
 284	}
 285	if (sizeBefore != sizeAfter) {
 286#ifdef M_CORE_GB
 287		mCoreConfigSetIntValue(&m_threadContext.core->config, "sgb.borders", 0);
 288		m_threadContext.core->reloadConfigOption(m_threadContext.core, "sgb.borders", nullptr);
 289		mCoreConfigCopyValue(&m_threadContext.core->config, config->config(), "sgb.borders");
 290		m_threadContext.core->reloadConfigOption(m_threadContext.core, "sgb.borders", nullptr);
 291#endif
 292	}
 293}
 294
 295#ifdef USE_DEBUGGERS
 296void CoreController::setDebugger(mDebugger* debugger) {
 297	Interrupter interrupter(this);
 298	if (debugger) {
 299		mDebuggerAttach(debugger, m_threadContext.core);
 300		mDebuggerEnter(debugger, DEBUGGER_ENTER_ATTACHED, 0);
 301	} else {
 302		m_threadContext.core->detachDebugger(m_threadContext.core);
 303	}
 304}
 305#endif
 306
 307void CoreController::setMultiplayerController(MultiplayerController* controller) {
 308	if (controller == m_multiplayer) {
 309		return;
 310	}
 311	clearMultiplayerController();
 312	m_multiplayer = controller;
 313	if (!mCoreThreadHasStarted(&m_threadContext)) {
 314		return;
 315	}
 316	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* thread) {
 317		CoreController* controller = static_cast<CoreController*>(thread->userData);
 318		controller->m_multiplayer->attachGame(controller);
 319	});
 320}
 321
 322void CoreController::clearMultiplayerController() {
 323	if (!m_multiplayer) {
 324		return;
 325	}
 326	m_multiplayer->detachGame(this);
 327	m_multiplayer = nullptr;
 328}
 329
 330mCacheSet* CoreController::graphicCaches() {
 331	if (m_cacheSet) {
 332		return m_cacheSet.get();
 333	}
 334	Interrupter interrupter(this);
 335	switch (platform()) {
 336#ifdef M_CORE_GBA
 337	case mPLATFORM_GBA: {
 338		GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
 339		m_cacheSet = std::make_unique<mCacheSet>();
 340		GBAVideoCacheInit(m_cacheSet.get());
 341		GBAVideoCacheAssociate(m_cacheSet.get(), &gba->video);
 342		break;
 343	}
 344#endif
 345#ifdef M_CORE_GB
 346	case mPLATFORM_GB: {
 347		GB* gb = static_cast<GB*>(m_threadContext.core->board);
 348		m_cacheSet = std::make_unique<mCacheSet>();
 349		GBVideoCacheInit(m_cacheSet.get());
 350		GBVideoCacheAssociate(m_cacheSet.get(), &gb->video);
 351		break;
 352	}
 353#endif
 354	default:
 355		return nullptr;
 356	}
 357	return m_cacheSet.get();
 358}
 359
 360void CoreController::setOverride(std::unique_ptr<Override> override) {
 361	Interrupter interrupter(this);
 362	m_override = std::move(override);
 363	m_override->identify(m_threadContext.core);
 364}
 365
 366void CoreController::setInputController(InputController* inputController) {
 367	m_inputController = inputController;
 368	m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_ROTATION, m_inputController->rotationSource());
 369	m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_RUMBLE, m_inputController->rumble());
 370	m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_IMAGE_SOURCE, m_inputController->imageSource());
 371}
 372
 373void CoreController::setLogger(LogController* logger) {
 374	disconnect(m_log);
 375	m_log = logger;
 376	m_threadContext.logger.d.filter = logger->filter();
 377	connect(this, &CoreController::logPosted, m_log, &LogController::postLog);
 378}
 379
 380void CoreController::start() {
 381	QSize size(screenDimensions());
 382	m_activeBuffer.resize(size.width() * size.height() * sizeof(color_t));
 383	m_activeBuffer.fill(0xFF);
 384	m_completeBuffer = m_activeBuffer;
 385
 386	m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer.data()), size.width());
 387
 388	if (!m_patched) {
 389		mCoreAutoloadPatch(m_threadContext.core);
 390	}
 391	if (!mCoreThreadStart(&m_threadContext)) {
 392		emit failed();
 393		emit stopping();
 394	}
 395}
 396
 397void CoreController::stop() {
 398	setSync(false);
 399#ifdef USE_DEBUGGERS
 400	setDebugger(nullptr);
 401#endif
 402	setPaused(false);
 403	mCoreThreadEnd(&m_threadContext);
 404}
 405
 406void CoreController::reset() {
 407	mCoreThreadReset(&m_threadContext);
 408}
 409
 410void CoreController::setPaused(bool paused) {
 411	QMutexLocker locker(&m_actionMutex);
 412	if (paused) {
 413		if (m_moreFrames < 0) {
 414			m_moreFrames = 1;
 415		}
 416	} else {
 417		m_moreFrames = -1;
 418		if (isPaused()) {
 419			mCoreThreadUnpause(&m_threadContext);
 420		}
 421	}
 422}
 423
 424void CoreController::frameAdvance() {
 425	QMutexLocker locker(&m_actionMutex);
 426	m_moreFrames = 1;
 427	if (isPaused()) {
 428		mCoreThreadUnpause(&m_threadContext);
 429	}
 430}
 431
 432void CoreController::addFrameAction(std::function<void ()> action) {
 433	QMutexLocker locker(&m_actionMutex);
 434	m_frameActions.append(action);
 435}
 436
 437void CoreController::setSync(bool sync) {
 438	if (sync) {
 439		m_threadContext.impl->sync.audioWait = m_audioSync;
 440		m_threadContext.impl->sync.videoFrameWait = m_videoSync;
 441	} else {
 442		m_threadContext.impl->sync.audioWait = false;
 443		m_threadContext.impl->sync.videoFrameWait = false;
 444	}
 445}
 446
 447void CoreController::setRewinding(bool rewind) {
 448	if (!m_threadContext.core->opts.rewindEnable) {
 449		return;
 450	}
 451	if (rewind && m_multiplayer && m_multiplayer->attached() > 1) {
 452		return;
 453	}
 454
 455	if (rewind && isPaused()) {
 456		setPaused(false);
 457		// TODO: restore autopausing
 458	}
 459	mCoreThreadSetRewinding(&m_threadContext, rewind);
 460}
 461
 462void CoreController::rewind(int states) {
 463	{
 464		Interrupter interrupter(this);
 465		if (!states) {
 466			states = INT_MAX;
 467		}
 468		for (int i = 0; i < states; ++i) {
 469			if (!mCoreRewindRestore(&m_threadContext.impl->rewind, m_threadContext.core)) {
 470				break;
 471			}
 472		}
 473	}
 474	emit frameAvailable();
 475	emit rewound();
 476}
 477
 478void CoreController::setFastForward(bool enable) {
 479	if (m_fastForward == enable) {
 480		return;
 481	}
 482	m_fastForward = enable;
 483	updateFastForward();
 484	emit fastForwardChanged(enable);
 485}
 486
 487void CoreController::forceFastForward(bool enable) {
 488	if (m_fastForwardForced == enable) {
 489		return;
 490	}
 491	m_fastForwardForced = enable;
 492	updateFastForward();
 493	emit fastForwardChanged(enable || m_fastForward);
 494}
 495
 496void CoreController::loadState(int slot) {
 497	if (slot > 0 && slot != m_stateSlot) {
 498		m_stateSlot = slot;
 499		m_backupSaveState.clear();
 500	}
 501	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
 502		CoreController* controller = static_cast<CoreController*>(context->userData);
 503		if (!controller->m_backupLoadState.isOpen()) {
 504			controller->m_backupLoadState = VFileDevice::openMemory();
 505		}
 506		mCoreSaveStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
 507		if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
 508			emit controller->frameAvailable();
 509			emit controller->stateLoaded();
 510		}
 511	});
 512}
 513
 514void CoreController::loadState(const QString& path, int flags) {
 515	m_statePath = path;
 516	int savedFlags = m_loadStateFlags;
 517	if (flags != -1) {
 518		m_loadStateFlags = flags;
 519	}
 520	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
 521		CoreController* controller = static_cast<CoreController*>(context->userData);
 522		VFile* vf = VFileDevice::open(controller->m_statePath, O_RDONLY);
 523		if (!vf) {
 524			return;
 525		}
 526		if (!controller->m_backupLoadState.isOpen()) {
 527			controller->m_backupLoadState = VFileDevice::openMemory();
 528		}
 529		mCoreSaveStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
 530		if (mCoreLoadStateNamed(context->core, vf, controller->m_loadStateFlags)) {
 531			emit controller->frameAvailable();
 532			emit controller->stateLoaded();
 533		}
 534		vf->close(vf);
 535	});
 536	m_loadStateFlags = savedFlags;
 537}
 538
 539void CoreController::loadState(QIODevice* iodev, int flags) {
 540	m_stateVf = VFileDevice::wrap(iodev, QIODevice::ReadOnly);
 541	if (!m_stateVf) {
 542		return;
 543	}
 544	int savedFlags = m_loadStateFlags;
 545	if (flags != -1) {
 546		m_loadStateFlags = flags;
 547	}
 548	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
 549		CoreController* controller = static_cast<CoreController*>(context->userData);
 550		VFile* vf = controller->m_stateVf;
 551		if (!vf) {
 552			return;
 553		}
 554		if (!controller->m_backupLoadState.isOpen()) {
 555			controller->m_backupLoadState = VFileDevice::openMemory();
 556		}
 557		mCoreSaveStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
 558		if (mCoreLoadStateNamed(context->core, vf, controller->m_loadStateFlags)) {
 559			emit controller->frameAvailable();
 560			emit controller->stateLoaded();
 561		}
 562		vf->close(vf);
 563	});
 564	m_loadStateFlags = savedFlags;
 565}
 566
 567void CoreController::saveState(int slot) {
 568	if (slot > 0) {
 569		m_stateSlot = slot;
 570	}
 571	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
 572		CoreController* controller = static_cast<CoreController*>(context->userData);
 573		VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, false);
 574		if (vf) {
 575			controller->m_backupSaveState.resize(vf->size(vf));
 576			vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
 577			vf->close(vf);
 578		}
 579		mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
 580	});
 581}
 582
 583void CoreController::saveState(const QString& path, int flags) {
 584	m_statePath = path;
 585	int savedFlags = m_saveStateFlags;
 586	if (flags != -1) {
 587		m_saveStateFlags = flags;
 588	}
 589	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
 590		CoreController* controller = static_cast<CoreController*>(context->userData);
 591		VFile* vf = VFileDevice::open(controller->m_statePath, O_RDONLY);
 592		if (vf) {
 593			controller->m_backupSaveState.resize(vf->size(vf));
 594			vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
 595			vf->close(vf);
 596		}
 597		vf = VFileDevice::open(controller->m_statePath, O_WRONLY | O_CREAT | O_TRUNC);
 598		if (!vf) {
 599			return;
 600		}
 601		mCoreSaveStateNamed(context->core, vf, controller->m_saveStateFlags);
 602		vf->close(vf);
 603	});
 604	m_saveStateFlags = savedFlags;
 605}
 606
 607void CoreController::saveState(QIODevice* iodev, int flags) {
 608	m_stateVf = VFileDevice::wrap(iodev, QIODevice::WriteOnly | QIODevice::Truncate);
 609	if (!m_stateVf) {
 610		return;
 611	}
 612	int savedFlags = m_saveStateFlags;
 613	if (flags != -1) {
 614		m_saveStateFlags = flags;
 615	}
 616	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
 617		CoreController* controller = static_cast<CoreController*>(context->userData);
 618		VFile* vf = controller->m_stateVf;
 619		if (!vf) {
 620			return;
 621		}
 622		mCoreSaveStateNamed(context->core, vf, controller->m_saveStateFlags);
 623		vf->close(vf);
 624	});
 625	m_saveStateFlags = savedFlags;
 626}
 627
 628void CoreController::loadBackupState() {
 629	if (!m_backupLoadState.isOpen()) {
 630		return;
 631	}
 632
 633	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
 634		CoreController* controller = static_cast<CoreController*>(context->userData);
 635		controller->m_backupLoadState.seek(0);
 636		if (mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
 637			mLOG(STATUS, INFO, "Undid state load");
 638			controller->frameAvailable();
 639			controller->stateLoaded();
 640		}
 641		controller->m_backupLoadState.close();
 642	});
 643}
 644
 645void CoreController::saveBackupState() {
 646	if (m_backupSaveState.isEmpty()) {
 647		return;
 648	}
 649
 650	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
 651		CoreController* controller = static_cast<CoreController*>(context->userData);
 652		VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, true);
 653		if (vf) {
 654			vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
 655			vf->close(vf);
 656			mLOG(STATUS, INFO, "Undid state save");
 657		}
 658		controller->m_backupSaveState.clear();
 659	});
 660}
 661
 662void CoreController::loadSave(const QString& path, bool temporary) {
 663	m_resetActions.append([this, path, temporary]() {
 664		VFile* vf = VFileDevice::open(path, temporary ? O_RDONLY : O_RDWR);
 665		if (!vf) {
 666			LOG(QT, ERROR) << tr("Failed to open save file: %1").arg(path);
 667			return;
 668		}
 669
 670		if (temporary) {
 671			m_threadContext.core->loadTemporarySave(m_threadContext.core, vf);
 672		} else {
 673			m_threadContext.core->loadSave(m_threadContext.core, vf);
 674		}
 675	});
 676	reset();
 677}
 678
 679void CoreController::loadPatch(const QString& patchPath) {
 680	Interrupter interrupter(this);
 681	VFile* patch = VFileDevice::open(patchPath, O_RDONLY);
 682	if (patch) {
 683		m_threadContext.core->loadPatch(m_threadContext.core, patch);
 684		m_patched = true;
 685		patch->close(patch);
 686		updateROMInfo();
 687	}
 688	if (mCoreThreadHasStarted(&m_threadContext)) {
 689		interrupter.resume();
 690		reset();
 691	}
 692}
 693
 694void CoreController::replaceGame(const QString& path) {
 695	QFileInfo info(path);
 696	if (!info.isReadable()) {
 697		LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
 698		return;
 699	}
 700	QString fname = info.canonicalFilePath();
 701	Interrupter interrupter(this);
 702	mDirectorySetDetachBase(&m_threadContext.core->dirs);
 703	mCoreLoadFile(m_threadContext.core, fname.toUtf8().constData());
 704	updateROMInfo();
 705}
 706
 707void CoreController::yankPak() {
 708	Interrupter interrupter(this);
 709
 710	switch (platform()) {
 711#ifdef M_CORE_GBA
 712	case mPLATFORM_GBA:
 713		GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
 714		break;
 715#endif
 716#ifdef M_CORE_GB
 717	case mPLATFORM_GB:
 718		GBYankROM(static_cast<GB*>(m_threadContext.core->board));
 719		break;
 720#endif
 721	case mPLATFORM_NONE:
 722		LOG(QT, ERROR) << tr("Can't yank pack in unexpected platform!");
 723		break;
 724	}
 725}
 726
 727void CoreController::addKey(int key) {
 728	m_activeKeys |= 1 << key;
 729}
 730
 731void CoreController::clearKey(int key) {
 732	m_activeKeys &= ~(1 << key);
 733}
 734
 735void CoreController::setAutofire(int key, bool enable) {
 736	if (key >= 32 || key < 0) {
 737		return;
 738	}
 739
 740	m_autofire[key] = enable;
 741	m_autofireStatus[key] = 0;
 742}
 743
 744#ifdef USE_PNG
 745void CoreController::screenshot() {
 746	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
 747		mCoreTakeScreenshot(context->core);
 748	});
 749}
 750#endif
 751
 752void CoreController::setRealTime() {
 753	m_threadContext.core->rtc.override = RTC_NO_OVERRIDE;
 754}
 755
 756void CoreController::setFixedTime(const QDateTime& time) {
 757	m_threadContext.core->rtc.override = RTC_FIXED;
 758	m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
 759}
 760
 761void CoreController::setFakeEpoch(const QDateTime& time) {
 762	m_threadContext.core->rtc.override = RTC_FAKE_EPOCH;
 763	m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
 764}
 765
 766void CoreController::scanCard(const QString& path) {
 767#ifdef M_CORE_GBA
 768	QImage image(path);
 769	if (image.isNull()) {
 770		QFile file(path);
 771		file.open(QIODevice::ReadOnly);
 772		m_eReaderData = file.read(2912);
 773	} else if (image.size() == QSize(989, 44)) {
 774		const uchar* bits = image.constBits();
 775		size_t size;
 776#if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 0))
 777		size = image.sizeInBytes();
 778#else
 779		size = image.byteCount();
 780#endif
 781		m_eReaderData.setRawData(reinterpret_cast<const char*>(bits), size);
 782	}
 783
 784	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* thread) {
 785		CoreController* controller = static_cast<CoreController*>(thread->userData);
 786		GBAEReaderQueueCard(static_cast<GBA*>(thread->core->board), controller->m_eReaderData.constData(), controller->m_eReaderData.size());
 787	});
 788#endif
 789}
 790
 791
 792void CoreController::importSharkport(const QString& path) {
 793#ifdef M_CORE_GBA
 794	if (platform() != mPLATFORM_GBA) {
 795		return;
 796	}
 797	VFile* vf = VFileDevice::open(path, O_RDONLY);
 798	if (!vf) {
 799		LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
 800		return;
 801	}
 802	Interrupter interrupter(this);
 803	GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
 804	vf->close(vf);
 805#endif
 806}
 807
 808void CoreController::exportSharkport(const QString& path) {
 809#ifdef M_CORE_GBA
 810	if (platform() != mPLATFORM_GBA) {
 811		return;
 812	}
 813	VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
 814	if (!vf) {
 815		LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
 816		return;
 817	}
 818	Interrupter interrupter(this);
 819	GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
 820	vf->close(vf);
 821#endif
 822}
 823
 824#ifdef M_CORE_GB
 825void CoreController::attachPrinter() {
 826	if (platform() != mPLATFORM_GB) {
 827		return;
 828	}
 829	GB* gb = static_cast<GB*>(m_threadContext.core->board);
 830	clearMultiplayerController();
 831	GBPrinterCreate(&m_printer.d);
 832	m_printer.parent = this;
 833	m_printer.d.print = [](GBPrinter* printer, int height, const uint8_t* data) {
 834		QGBPrinter* qPrinter = reinterpret_cast<QGBPrinter*>(printer);
 835		QImage image(GB_VIDEO_HORIZONTAL_PIXELS, height, QImage::Format_Indexed8);
 836		QVector<QRgb> colors;
 837		colors.append(qRgb(0xF8, 0xF8, 0xF8));
 838		colors.append(qRgb(0xA8, 0xA8, 0xA8));
 839		colors.append(qRgb(0x50, 0x50, 0x50));
 840		colors.append(qRgb(0x00, 0x00, 0x00));
 841		image.setColorTable(colors);
 842		for (int y = 0; y < height; ++y) {
 843			for (int x = 0; x < GB_VIDEO_HORIZONTAL_PIXELS; x += 4) {
 844				uint8_t byte = data[(x + y * GB_VIDEO_HORIZONTAL_PIXELS) / 4];
 845				image.setPixel(x + 0, y, (byte & 0xC0) >> 6);
 846				image.setPixel(x + 1, y, (byte & 0x30) >> 4);
 847				image.setPixel(x + 2, y, (byte & 0x0C) >> 2);
 848				image.setPixel(x + 3, y, (byte & 0x03) >> 0);
 849			}
 850		}
 851		QMetaObject::invokeMethod(qPrinter->parent, "imagePrinted", Q_ARG(const QImage&, image));
 852	};
 853	Interrupter interrupter(this);
 854	GBSIOSetDriver(&gb->sio, &m_printer.d.d);
 855}
 856
 857void CoreController::detachPrinter() {
 858	if (platform() != mPLATFORM_GB) {
 859		return;
 860	}
 861	Interrupter interrupter(this);
 862	GB* gb = static_cast<GB*>(m_threadContext.core->board);
 863	GBPrinterDonePrinting(&m_printer.d);
 864	GBSIOSetDriver(&gb->sio, nullptr);
 865}
 866
 867void CoreController::endPrint() {
 868	if (platform() != mPLATFORM_GB) {
 869		return;
 870	}
 871	Interrupter interrupter(this);
 872	GBPrinterDonePrinting(&m_printer.d);
 873}
 874#endif
 875
 876#ifdef M_CORE_GBA
 877void CoreController::attachBattleChipGate() {
 878	if (platform() != mPLATFORM_GBA) {
 879		return;
 880	}
 881	Interrupter interrupter(this);
 882	clearMultiplayerController();
 883	GBASIOBattlechipGateCreate(&m_battlechip);
 884	m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_GBA_BATTLECHIP_GATE, &m_battlechip);
 885}
 886
 887void CoreController::detachBattleChipGate() {
 888	if (platform() != mPLATFORM_GBA) {
 889		return;
 890	}
 891	Interrupter interrupter(this);
 892	m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_GBA_BATTLECHIP_GATE, nullptr);
 893}
 894
 895void CoreController::setBattleChipId(uint16_t id) {
 896	if (platform() != mPLATFORM_GBA) {
 897		return;
 898	}
 899	Interrupter interrupter(this);
 900	m_battlechip.chipId = id;
 901}
 902
 903void CoreController::setBattleChipFlavor(int flavor) {
 904	if (platform() != mPLATFORM_GBA) {
 905		return;
 906	}
 907	Interrupter interrupter(this);
 908	m_battlechip.flavor = flavor;
 909}
 910#endif
 911
 912void CoreController::setAVStream(mAVStream* stream) {
 913	Interrupter interrupter(this);
 914	m_threadContext.core->setAVStream(m_threadContext.core, stream);
 915}
 916
 917void CoreController::clearAVStream() {
 918	Interrupter interrupter(this);
 919	m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
 920}
 921
 922void CoreController::clearOverride() {
 923	m_override.reset();
 924}
 925
 926void CoreController::startVideoLog(const QString& path, bool compression) {
 927	if (m_vl) {
 928		return;
 929	}
 930
 931	VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
 932	if (!vf) {
 933		return;
 934	}
 935	startVideoLog(vf, compression);
 936}
 937
 938void CoreController::startVideoLog(VFile* vf, bool compression) {
 939	if (m_vl || !vf) {
 940		return;
 941	}
 942
 943	Interrupter interrupter(this);
 944	m_vl = mVideoLogContextCreate(m_threadContext.core);
 945	m_vlVf = vf;
 946	mVideoLogContextSetOutput(m_vl, m_vlVf);
 947	mVideoLogContextSetCompression(m_vl, compression);
 948	mVideoLogContextWriteHeader(m_vl, m_threadContext.core);
 949}
 950
 951void CoreController::endVideoLog(bool closeVf) {
 952	if (!m_vl) {
 953		return;
 954	}
 955
 956	Interrupter interrupter(this);
 957	mVideoLogContextDestroy(m_threadContext.core, m_vl, closeVf);
 958	if (closeVf) {
 959		m_vlVf = nullptr;
 960	}
 961	m_vl = nullptr;
 962}
 963
 964void CoreController::setFramebufferHandle(int fb) {
 965	Interrupter interrupter(this);
 966	if (fb < 0) {
 967		if (!m_hwaccel) {
 968			return;
 969		}
 970		mCoreConfigSetIntValue(&m_threadContext.core->config, "hwaccelVideo", 0);
 971		m_threadContext.core->setVideoGLTex(m_threadContext.core, -1);
 972		m_hwaccel = false;
 973	} else {
 974		mCoreConfigSetIntValue(&m_threadContext.core->config, "hwaccelVideo", 1);
 975		m_threadContext.core->setVideoGLTex(m_threadContext.core, fb);
 976		if (m_hwaccel) {
 977			return;
 978		}
 979		m_hwaccel = true;
 980	}
 981	if (hasStarted()) {
 982		m_threadContext.core->reloadConfigOption(m_threadContext.core, "hwaccelVideo", NULL);
 983		if (!m_hwaccel) {
 984			m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer.data()), screenDimensions().width());
 985		}
 986	}
 987}
 988
 989void CoreController::updateKeys() {
 990	int activeKeys = m_activeKeys | updateAutofire() | m_inputController->pollEvents();
 991	m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
 992}
 993
 994int CoreController::updateAutofire() {
 995	int active = 0;
 996	for (int k = 0; k < 32; ++k) {
 997		if (!m_autofire[k]) {
 998			continue;
 999		}
1000		++m_autofireStatus[k];
1001		if (m_autofireStatus[k] >= 2 * m_autofireThreshold) {
1002			m_autofireStatus[k] = 0;
1003		} else if (m_autofireStatus[k] >= m_autofireThreshold) {
1004			active |= 1 << k;
1005		}
1006	}
1007	return active;
1008}
1009
1010void CoreController::finishFrame() {
1011	if (!m_hwaccel) {
1012		unsigned width, height;
1013		m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
1014
1015		QMutexLocker locker(&m_bufferMutex);
1016		memcpy(m_completeBuffer.data(), m_activeBuffer.constData(), width * height * BYTES_PER_PIXEL);
1017	}
1018
1019	{
1020		QMutexLocker locker(&m_actionMutex);
1021		QList<std::function<void ()>> frameActions(m_frameActions);
1022		m_frameActions.clear();
1023		for (auto& action : frameActions) {
1024			action();
1025		}
1026		if (m_moreFrames > 0) {
1027			--m_moreFrames;
1028			if (!m_moreFrames) {
1029				mCoreThreadPauseFromThread(&m_threadContext);
1030			}
1031		}
1032	}
1033	updateKeys();
1034
1035	QMetaObject::invokeMethod(this, "frameAvailable");
1036}
1037
1038void CoreController::updateFastForward() {
1039	// If we have "Fast forward" checked in the menu (m_fastForwardForced)
1040	// or are holding the fast forward button (m_fastForward):
1041	if (m_fastForward || m_fastForwardForced) {
1042		if (m_fastForwardVolume >= 0) {
1043			m_threadContext.core->opts.volume = m_fastForwardVolume;
1044		}
1045		if (m_fastForwardMute >= 0) {
1046			m_threadContext.core->opts.mute = m_fastForwardMute;
1047		}
1048
1049		// If we aren't holding the fast forward button
1050		// then use the non "(held)" ratio
1051		if(!m_fastForward) {
1052			if (m_fastForwardRatio > 0) {
1053				m_threadContext.impl->sync.fpsTarget = m_fpsTarget * m_fastForwardRatio;
1054				setSync(true);
1055			}	else {
1056				setSync(false);
1057			}
1058		} else {
1059			// If we are holding the fast forward button,
1060			// then use the held ratio
1061			if (m_fastForwardHeldRatio > 0) {
1062				m_threadContext.impl->sync.fpsTarget = m_fpsTarget * m_fastForwardHeldRatio;
1063				setSync(true);
1064			} else {
1065				setSync(false);
1066			}
1067		}
1068	} else {
1069		if (!mCoreConfigGetIntValue(&m_threadContext.core->config, "volume", &m_threadContext.core->opts.volume)) {
1070			m_threadContext.core->opts.volume = 0x100;
1071		}
1072		int fakeBool = 0;
1073		mCoreConfigGetIntValue(&m_threadContext.core->config, "mute", &fakeBool);
1074		m_threadContext.core->opts.mute = fakeBool;
1075		m_threadContext.impl->sync.fpsTarget = m_fpsTarget;
1076		setSync(true);
1077	}
1078
1079	m_threadContext.core->reloadConfigOption(m_threadContext.core, NULL, NULL);
1080}
1081
1082void CoreController::updateROMInfo() {
1083	const NoIntroDB* db = GBAApp::app()->gameDB();
1084	NoIntroGame game{};
1085	m_crc32 = 0;
1086	mCore* core = m_threadContext.core;
1087	core->checksum(core, &m_crc32, mCHECKSUM_CRC32);
1088
1089	char gameTitle[17] = { '\0' };
1090	core->getGameTitle(core, gameTitle);
1091	m_internalTitle = QLatin1String(gameTitle);
1092
1093#ifdef USE_SQLITE3
1094	if (db && m_crc32 && NoIntroDBLookupGameByCRC(db, m_crc32, &game)) {
1095		m_dbTitle = QString::fromUtf8(game.name);
1096	}
1097#endif
1098}
1099
1100CoreController::Interrupter::Interrupter()
1101	: m_parent(nullptr)
1102{
1103}
1104
1105CoreController::Interrupter::Interrupter(CoreController* parent)
1106	: m_parent(parent)
1107{
1108	interrupt();
1109}
1110
1111CoreController::Interrupter::Interrupter(std::shared_ptr<CoreController> parent)
1112	: m_parent(parent.get())
1113{
1114	interrupt();
1115}
1116
1117CoreController::Interrupter::Interrupter(const Interrupter& other)
1118	: m_parent(other.m_parent)
1119{
1120	interrupt();
1121}
1122
1123CoreController::Interrupter::~Interrupter() {
1124	resume();
1125}
1126
1127CoreController::Interrupter& CoreController::Interrupter::operator=(const Interrupter& other)
1128{
1129	interrupt(other.m_parent);
1130	return *this;
1131}
1132
1133void CoreController::Interrupter::interrupt(CoreController* controller) {
1134	if (m_parent != controller) {
1135		CoreController* old = m_parent;
1136		m_parent = controller;
1137		interrupt();
1138		resume(old);
1139	}
1140}
1141
1142void CoreController::Interrupter::interrupt(std::shared_ptr<CoreController> controller) {
1143	interrupt(controller.get());
1144}
1145
1146void CoreController::Interrupter::interrupt() {
1147	if (!m_parent || !m_parent->thread()->impl) {
1148		return;
1149	}
1150
1151	if (mCoreThreadGet() != m_parent->thread()) {
1152		mCoreThreadInterrupt(m_parent->thread());
1153	} else {
1154		mCoreThreadInterruptFromThread(m_parent->thread());
1155	}
1156}
1157
1158void CoreController::Interrupter::resume() {
1159	resume(m_parent);
1160	m_parent = nullptr;
1161}
1162
1163void CoreController::Interrupter::resume(CoreController* controller) {
1164	if (!controller || !controller->thread()->impl) {
1165		return;
1166	}
1167
1168	mCoreThreadContinue(controller->thread());
1169}