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 <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_loadStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_RTC)
38 , m_saveStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_CHEATS | 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 mPLATFORM_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
269 QSize sizeBefore = screenDimensions();
270 m_activeBuffer.resize(256 * 224 * sizeof(color_t));
271 m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer.data()), sizeBefore.width());
272
273 mCoreLoadForeignConfig(m_threadContext.core, config->config());
274
275 QSize sizeAfter = screenDimensions();
276 m_activeBuffer.resize(sizeAfter.width() * sizeAfter.height() * sizeof(color_t));
277 m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer.data()), sizeAfter.width());
278
279 if (hasStarted()) {
280 updateFastForward();
281 mCoreThreadRewindParamsChanged(&m_threadContext);
282 }
283 if (sizeBefore != sizeAfter) {
284#ifdef M_CORE_GB
285 mCoreConfigSetIntValue(&m_threadContext.core->config, "sgb.borders", 0);
286 m_threadContext.core->reloadConfigOption(m_threadContext.core, "sgb.borders", nullptr);
287 mCoreConfigCopyValue(&m_threadContext.core->config, config->config(), "sgb.borders");
288 m_threadContext.core->reloadConfigOption(m_threadContext.core, "sgb.borders", nullptr);
289#endif
290 }
291}
292
293#ifdef USE_DEBUGGERS
294void CoreController::setDebugger(mDebugger* debugger) {
295 Interrupter interrupter(this);
296 if (debugger) {
297 mDebuggerAttach(debugger, m_threadContext.core);
298 mDebuggerEnter(debugger, DEBUGGER_ENTER_ATTACHED, 0);
299 } else {
300 m_threadContext.core->detachDebugger(m_threadContext.core);
301 }
302}
303#endif
304
305void CoreController::setMultiplayerController(MultiplayerController* controller) {
306 if (controller == m_multiplayer) {
307 return;
308 }
309 clearMultiplayerController();
310 m_multiplayer = controller;
311 if (!mCoreThreadHasStarted(&m_threadContext)) {
312 return;
313 }
314 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* thread) {
315 CoreController* controller = static_cast<CoreController*>(thread->userData);
316 controller->m_multiplayer->attachGame(controller);
317 });
318}
319
320void CoreController::clearMultiplayerController() {
321 if (!m_multiplayer) {
322 return;
323 }
324 m_multiplayer->detachGame(this);
325 m_multiplayer = nullptr;
326}
327
328mCacheSet* CoreController::graphicCaches() {
329 if (m_cacheSet) {
330 return m_cacheSet.get();
331 }
332 Interrupter interrupter(this);
333 switch (platform()) {
334#ifdef M_CORE_GBA
335 case mPLATFORM_GBA: {
336 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
337 m_cacheSet = std::make_unique<mCacheSet>();
338 GBAVideoCacheInit(m_cacheSet.get());
339 GBAVideoCacheAssociate(m_cacheSet.get(), &gba->video);
340 break;
341 }
342#endif
343#ifdef M_CORE_GB
344 case mPLATFORM_GB: {
345 GB* gb = static_cast<GB*>(m_threadContext.core->board);
346 m_cacheSet = std::make_unique<mCacheSet>();
347 GBVideoCacheInit(m_cacheSet.get());
348 GBVideoCacheAssociate(m_cacheSet.get(), &gb->video);
349 break;
350 }
351#endif
352 default:
353 return nullptr;
354 }
355 return m_cacheSet.get();
356}
357
358void CoreController::setOverride(std::unique_ptr<Override> override) {
359 Interrupter interrupter(this);
360 m_override = std::move(override);
361 m_override->identify(m_threadContext.core);
362}
363
364void CoreController::setInputController(InputController* inputController) {
365 m_inputController = inputController;
366 m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_ROTATION, m_inputController->rotationSource());
367 m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_RUMBLE, m_inputController->rumble());
368 m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_IMAGE_SOURCE, m_inputController->imageSource());
369}
370
371void CoreController::setLogger(LogController* logger) {
372 disconnect(m_log);
373 m_log = logger;
374 m_threadContext.logger.d.filter = logger->filter();
375 connect(this, &CoreController::logPosted, m_log, &LogController::postLog);
376}
377
378void CoreController::start() {
379 QSize size(screenDimensions());
380 m_activeBuffer.resize(size.width() * size.height() * sizeof(color_t));
381 m_activeBuffer.fill(0xFF);
382 m_completeBuffer = m_activeBuffer;
383
384 m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer.data()), size.width());
385
386 if (!m_patched) {
387 mCoreAutoloadPatch(m_threadContext.core);
388 }
389 if (!mCoreThreadStart(&m_threadContext)) {
390 emit failed();
391 emit stopping();
392 }
393}
394
395void CoreController::stop() {
396 setSync(false);
397#ifdef USE_DEBUGGERS
398 setDebugger(nullptr);
399#endif
400 setPaused(false);
401 mCoreThreadEnd(&m_threadContext);
402}
403
404void CoreController::reset() {
405 mCoreThreadReset(&m_threadContext);
406}
407
408void CoreController::setPaused(bool paused) {
409 QMutexLocker locker(&m_actionMutex);
410 if (paused) {
411 if (m_moreFrames < 0) {
412 m_moreFrames = 1;
413 }
414 } else {
415 m_moreFrames = -1;
416 if (isPaused()) {
417 mCoreThreadUnpause(&m_threadContext);
418 }
419 }
420}
421
422void CoreController::frameAdvance() {
423 QMutexLocker locker(&m_actionMutex);
424 m_moreFrames = 1;
425 if (isPaused()) {
426 mCoreThreadUnpause(&m_threadContext);
427 }
428}
429
430void CoreController::addFrameAction(std::function<void ()> action) {
431 QMutexLocker locker(&m_actionMutex);
432 m_frameActions.append(action);
433}
434
435void CoreController::setSync(bool sync) {
436 if (sync) {
437 m_threadContext.impl->sync.audioWait = m_audioSync;
438 m_threadContext.impl->sync.videoFrameWait = m_videoSync;
439 } else {
440 m_threadContext.impl->sync.audioWait = false;
441 m_threadContext.impl->sync.videoFrameWait = false;
442 }
443}
444
445void CoreController::setRewinding(bool rewind) {
446 if (!m_threadContext.core->opts.rewindEnable) {
447 return;
448 }
449 if (rewind && m_multiplayer && m_multiplayer->attached() > 1) {
450 return;
451 }
452
453 if (rewind && isPaused()) {
454 setPaused(false);
455 // TODO: restore autopausing
456 }
457 mCoreThreadSetRewinding(&m_threadContext, rewind);
458}
459
460void CoreController::rewind(int states) {
461 {
462 Interrupter interrupter(this);
463 if (!states) {
464 states = INT_MAX;
465 }
466 for (int i = 0; i < states; ++i) {
467 if (!mCoreRewindRestore(&m_threadContext.impl->rewind, m_threadContext.core)) {
468 break;
469 }
470 }
471 }
472 emit frameAvailable();
473 emit rewound();
474}
475
476void CoreController::setFastForward(bool enable) {
477 if (m_fastForward == enable) {
478 return;
479 }
480 m_fastForward = enable;
481 updateFastForward();
482 emit fastForwardChanged(enable);
483}
484
485void CoreController::forceFastForward(bool enable) {
486 if (m_fastForwardForced == enable) {
487 return;
488 }
489 m_fastForwardForced = enable;
490 updateFastForward();
491 emit fastForwardChanged(enable || m_fastForward);
492}
493
494void CoreController::loadState(int slot) {
495 if (slot > 0 && slot != m_stateSlot) {
496 m_stateSlot = slot;
497 m_backupSaveState.clear();
498 }
499 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
500 CoreController* controller = static_cast<CoreController*>(context->userData);
501 if (!controller->m_backupLoadState.isOpen()) {
502 controller->m_backupLoadState = VFileDevice::openMemory();
503 }
504 mCoreSaveStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
505 if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
506 emit controller->frameAvailable();
507 emit controller->stateLoaded();
508 }
509 });
510}
511
512void CoreController::loadState(const QString& path, int flags) {
513 m_statePath = path;
514 int savedFlags = m_loadStateFlags;
515 if (flags != -1) {
516 m_loadStateFlags = flags;
517 }
518 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
519 CoreController* controller = static_cast<CoreController*>(context->userData);
520 VFile* vf = VFileDevice::open(controller->m_statePath, O_RDONLY);
521 if (!vf) {
522 return;
523 }
524 if (!controller->m_backupLoadState.isOpen()) {
525 controller->m_backupLoadState = VFileDevice::openMemory();
526 }
527 mCoreSaveStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
528 if (mCoreLoadStateNamed(context->core, vf, controller->m_loadStateFlags)) {
529 emit controller->frameAvailable();
530 emit controller->stateLoaded();
531 }
532 vf->close(vf);
533 });
534 m_loadStateFlags = savedFlags;
535}
536
537void CoreController::loadState(QIODevice* iodev, int flags) {
538 m_stateVf = VFileDevice::wrap(iodev, QIODevice::ReadOnly);
539 if (!m_stateVf) {
540 return;
541 }
542 int savedFlags = m_loadStateFlags;
543 if (flags != -1) {
544 m_loadStateFlags = flags;
545 }
546 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
547 CoreController* controller = static_cast<CoreController*>(context->userData);
548 VFile* vf = controller->m_stateVf;
549 if (!vf) {
550 return;
551 }
552 if (!controller->m_backupLoadState.isOpen()) {
553 controller->m_backupLoadState = VFileDevice::openMemory();
554 }
555 mCoreSaveStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
556 if (mCoreLoadStateNamed(context->core, vf, controller->m_loadStateFlags)) {
557 emit controller->frameAvailable();
558 emit controller->stateLoaded();
559 }
560 vf->close(vf);
561 });
562 m_loadStateFlags = savedFlags;
563}
564
565void CoreController::saveState(int slot) {
566 if (slot > 0) {
567 m_stateSlot = slot;
568 }
569 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
570 CoreController* controller = static_cast<CoreController*>(context->userData);
571 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, false);
572 if (vf) {
573 controller->m_backupSaveState.resize(vf->size(vf));
574 vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
575 vf->close(vf);
576 }
577 mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
578 });
579}
580
581void CoreController::saveState(const QString& path, int flags) {
582 m_statePath = path;
583 int savedFlags = m_saveStateFlags;
584 if (flags != -1) {
585 m_saveStateFlags = flags;
586 }
587 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
588 CoreController* controller = static_cast<CoreController*>(context->userData);
589 VFile* vf = VFileDevice::open(controller->m_statePath, O_RDONLY);
590 if (vf) {
591 controller->m_backupSaveState.resize(vf->size(vf));
592 vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
593 vf->close(vf);
594 }
595 vf = VFileDevice::open(controller->m_statePath, O_WRONLY | O_CREAT | O_TRUNC);
596 if (!vf) {
597 return;
598 }
599 mCoreSaveStateNamed(context->core, vf, controller->m_saveStateFlags);
600 vf->close(vf);
601 });
602 m_saveStateFlags = savedFlags;
603}
604
605void CoreController::saveState(QIODevice* iodev, int flags) {
606 m_stateVf = VFileDevice::wrap(iodev, QIODevice::WriteOnly | QIODevice::Truncate);
607 if (!m_stateVf) {
608 return;
609 }
610 int savedFlags = m_saveStateFlags;
611 if (flags != -1) {
612 m_saveStateFlags = flags;
613 }
614 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
615 CoreController* controller = static_cast<CoreController*>(context->userData);
616 VFile* vf = controller->m_stateVf;
617 if (!vf) {
618 return;
619 }
620 mCoreSaveStateNamed(context->core, vf, controller->m_saveStateFlags);
621 vf->close(vf);
622 });
623 m_saveStateFlags = savedFlags;
624}
625
626void CoreController::loadBackupState() {
627 if (!m_backupLoadState.isOpen()) {
628 return;
629 }
630
631 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
632 CoreController* controller = static_cast<CoreController*>(context->userData);
633 controller->m_backupLoadState.seek(0);
634 if (mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
635 mLOG(STATUS, INFO, "Undid state load");
636 controller->frameAvailable();
637 controller->stateLoaded();
638 }
639 controller->m_backupLoadState.close();
640 });
641}
642
643void CoreController::saveBackupState() {
644 if (m_backupSaveState.isEmpty()) {
645 return;
646 }
647
648 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
649 CoreController* controller = static_cast<CoreController*>(context->userData);
650 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, true);
651 if (vf) {
652 vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
653 vf->close(vf);
654 mLOG(STATUS, INFO, "Undid state save");
655 }
656 controller->m_backupSaveState.clear();
657 });
658}
659
660void CoreController::loadSave(const QString& path, bool temporary) {
661 m_resetActions.append([this, path, temporary]() {
662 VFile* vf = VFileDevice::open(path, temporary ? O_RDONLY : O_RDWR);
663 if (!vf) {
664 LOG(QT, ERROR) << tr("Failed to open save file: %1").arg(path);
665 return;
666 }
667
668 if (temporary) {
669 m_threadContext.core->loadTemporarySave(m_threadContext.core, vf);
670 } else {
671 m_threadContext.core->loadSave(m_threadContext.core, vf);
672 }
673 });
674 reset();
675}
676
677void CoreController::loadPatch(const QString& patchPath) {
678 Interrupter interrupter(this);
679 VFile* patch = VFileDevice::open(patchPath, O_RDONLY);
680 if (patch) {
681 m_threadContext.core->loadPatch(m_threadContext.core, patch);
682 m_patched = true;
683 patch->close(patch);
684 }
685 if (mCoreThreadHasStarted(&m_threadContext)) {
686 reset();
687 }
688}
689
690void CoreController::replaceGame(const QString& path) {
691 QFileInfo info(path);
692 if (!info.isReadable()) {
693 LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
694 return;
695 }
696 QString fname = info.canonicalFilePath();
697 Interrupter interrupter(this);
698 mDirectorySetDetachBase(&m_threadContext.core->dirs);
699 mCoreLoadFile(m_threadContext.core, fname.toUtf8().constData());
700}
701
702void CoreController::yankPak() {
703 Interrupter interrupter(this);
704
705 switch (platform()) {
706#ifdef M_CORE_GBA
707 case mPLATFORM_GBA:
708 GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
709 break;
710#endif
711#ifdef M_CORE_GB
712 case mPLATFORM_GB:
713 GBYankROM(static_cast<GB*>(m_threadContext.core->board));
714 break;
715#endif
716 case mPLATFORM_NONE:
717 LOG(QT, ERROR) << tr("Can't yank pack in unexpected platform!");
718 break;
719 }
720}
721
722void CoreController::addKey(int key) {
723 m_activeKeys |= 1 << key;
724}
725
726void CoreController::clearKey(int key) {
727 m_activeKeys &= ~(1 << key);
728}
729
730void CoreController::setAutofire(int key, bool enable) {
731 if (key >= 32 || key < 0) {
732 return;
733 }
734
735 m_autofire[key] = enable;
736 m_autofireStatus[key] = 0;
737}
738
739#ifdef USE_PNG
740void CoreController::screenshot() {
741 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
742 mCoreTakeScreenshot(context->core);
743 });
744}
745#endif
746
747void CoreController::setRealTime() {
748 m_threadContext.core->rtc.override = RTC_NO_OVERRIDE;
749}
750
751void CoreController::setFixedTime(const QDateTime& time) {
752 m_threadContext.core->rtc.override = RTC_FIXED;
753 m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
754}
755
756void CoreController::setFakeEpoch(const QDateTime& time) {
757 m_threadContext.core->rtc.override = RTC_FAKE_EPOCH;
758 m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
759}
760
761void CoreController::scanCard(const QString& path) {
762#ifdef M_CORE_GBA
763 QImage image(path);
764 if (image.isNull()) {
765 QFile file(path);
766 file.open(QIODevice::ReadOnly);
767 m_eReaderData = file.read(2912);
768 } else if (image.size() == QSize(989, 44)) {
769 const uchar* bits = image.constBits();
770 size_t size;
771#if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 0))
772 size = image.sizeInBytes();
773#else
774 size = image.byteCount();
775#endif
776 m_eReaderData.setRawData(reinterpret_cast<const char*>(bits), size);
777 }
778
779 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* thread) {
780 CoreController* controller = static_cast<CoreController*>(thread->userData);
781 GBAEReaderQueueCard(static_cast<GBA*>(thread->core->board), controller->m_eReaderData.constData(), controller->m_eReaderData.size());
782 });
783#endif
784}
785
786
787void CoreController::importSharkport(const QString& path) {
788#ifdef M_CORE_GBA
789 if (platform() != mPLATFORM_GBA) {
790 return;
791 }
792 VFile* vf = VFileDevice::open(path, O_RDONLY);
793 if (!vf) {
794 LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
795 return;
796 }
797 Interrupter interrupter(this);
798 GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
799 vf->close(vf);
800#endif
801}
802
803void CoreController::exportSharkport(const QString& path) {
804#ifdef M_CORE_GBA
805 if (platform() != mPLATFORM_GBA) {
806 return;
807 }
808 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
809 if (!vf) {
810 LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
811 return;
812 }
813 Interrupter interrupter(this);
814 GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
815 vf->close(vf);
816#endif
817}
818
819#ifdef M_CORE_GB
820void CoreController::attachPrinter() {
821 if (platform() != mPLATFORM_GB) {
822 return;
823 }
824 GB* gb = static_cast<GB*>(m_threadContext.core->board);
825 clearMultiplayerController();
826 GBPrinterCreate(&m_printer.d);
827 m_printer.parent = this;
828 m_printer.d.print = [](GBPrinter* printer, int height, const uint8_t* data) {
829 QGBPrinter* qPrinter = reinterpret_cast<QGBPrinter*>(printer);
830 QImage image(GB_VIDEO_HORIZONTAL_PIXELS, height, QImage::Format_Indexed8);
831 QVector<QRgb> colors;
832 colors.append(qRgb(0xF8, 0xF8, 0xF8));
833 colors.append(qRgb(0xA8, 0xA8, 0xA8));
834 colors.append(qRgb(0x50, 0x50, 0x50));
835 colors.append(qRgb(0x00, 0x00, 0x00));
836 image.setColorTable(colors);
837 for (int y = 0; y < height; ++y) {
838 for (int x = 0; x < GB_VIDEO_HORIZONTAL_PIXELS; x += 4) {
839 uint8_t byte = data[(x + y * GB_VIDEO_HORIZONTAL_PIXELS) / 4];
840 image.setPixel(x + 0, y, (byte & 0xC0) >> 6);
841 image.setPixel(x + 1, y, (byte & 0x30) >> 4);
842 image.setPixel(x + 2, y, (byte & 0x0C) >> 2);
843 image.setPixel(x + 3, y, (byte & 0x03) >> 0);
844 }
845 }
846 QMetaObject::invokeMethod(qPrinter->parent, "imagePrinted", Q_ARG(const QImage&, image));
847 };
848 Interrupter interrupter(this);
849 GBSIOSetDriver(&gb->sio, &m_printer.d.d);
850}
851
852void CoreController::detachPrinter() {
853 if (platform() != mPLATFORM_GB) {
854 return;
855 }
856 Interrupter interrupter(this);
857 GB* gb = static_cast<GB*>(m_threadContext.core->board);
858 GBPrinterDonePrinting(&m_printer.d);
859 GBSIOSetDriver(&gb->sio, nullptr);
860}
861
862void CoreController::endPrint() {
863 if (platform() != mPLATFORM_GB) {
864 return;
865 }
866 Interrupter interrupter(this);
867 GBPrinterDonePrinting(&m_printer.d);
868}
869#endif
870
871#ifdef M_CORE_GBA
872void CoreController::attachBattleChipGate() {
873 if (platform() != mPLATFORM_GBA) {
874 return;
875 }
876 Interrupter interrupter(this);
877 clearMultiplayerController();
878 GBASIOBattlechipGateCreate(&m_battlechip);
879 m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_GBA_BATTLECHIP_GATE, &m_battlechip);
880}
881
882void CoreController::detachBattleChipGate() {
883 if (platform() != mPLATFORM_GBA) {
884 return;
885 }
886 Interrupter interrupter(this);
887 m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_GBA_BATTLECHIP_GATE, nullptr);
888}
889
890void CoreController::setBattleChipId(uint16_t id) {
891 if (platform() != mPLATFORM_GBA) {
892 return;
893 }
894 Interrupter interrupter(this);
895 m_battlechip.chipId = id;
896}
897
898void CoreController::setBattleChipFlavor(int flavor) {
899 if (platform() != mPLATFORM_GBA) {
900 return;
901 }
902 Interrupter interrupter(this);
903 m_battlechip.flavor = flavor;
904}
905#endif
906
907void CoreController::setAVStream(mAVStream* stream) {
908 Interrupter interrupter(this);
909 m_threadContext.core->setAVStream(m_threadContext.core, stream);
910}
911
912void CoreController::clearAVStream() {
913 Interrupter interrupter(this);
914 m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
915}
916
917void CoreController::clearOverride() {
918 m_override.reset();
919}
920
921void CoreController::startVideoLog(const QString& path, bool compression) {
922 if (m_vl) {
923 return;
924 }
925
926 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
927 if (!vf) {
928 return;
929 }
930 startVideoLog(vf, compression);
931}
932
933void CoreController::startVideoLog(VFile* vf, bool compression) {
934 if (m_vl || !vf) {
935 return;
936 }
937
938 Interrupter interrupter(this);
939 m_vl = mVideoLogContextCreate(m_threadContext.core);
940 m_vlVf = vf;
941 mVideoLogContextSetOutput(m_vl, m_vlVf);
942 mVideoLogContextSetCompression(m_vl, compression);
943 mVideoLogContextWriteHeader(m_vl, m_threadContext.core);
944}
945
946void CoreController::endVideoLog(bool closeVf) {
947 if (!m_vl) {
948 return;
949 }
950
951 Interrupter interrupter(this);
952 mVideoLogContextDestroy(m_threadContext.core, m_vl, closeVf);
953 if (closeVf) {
954 m_vlVf = nullptr;
955 }
956 m_vl = nullptr;
957}
958
959void CoreController::setFramebufferHandle(int fb) {
960 Interrupter interrupter(this);
961 if (fb < 0) {
962 if (!m_hwaccel) {
963 return;
964 }
965 mCoreConfigSetIntValue(&m_threadContext.core->config, "hwaccelVideo", 0);
966 m_threadContext.core->setVideoGLTex(m_threadContext.core, -1);
967 m_hwaccel = false;
968 } else {
969 mCoreConfigSetIntValue(&m_threadContext.core->config, "hwaccelVideo", 1);
970 m_threadContext.core->setVideoGLTex(m_threadContext.core, fb);
971 if (m_hwaccel) {
972 return;
973 }
974 m_hwaccel = true;
975 }
976 if (hasStarted()) {
977 m_threadContext.core->reloadConfigOption(m_threadContext.core, "hwaccelVideo", NULL);
978 if (!m_hwaccel) {
979 m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer.data()), screenDimensions().width());
980 }
981 }
982}
983
984void CoreController::updateKeys() {
985 int activeKeys = m_activeKeys | updateAutofire() | m_inputController->pollEvents();
986 m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
987}
988
989int CoreController::updateAutofire() {
990 int active = 0;
991 for (int k = 0; k < 32; ++k) {
992 if (!m_autofire[k]) {
993 continue;
994 }
995 ++m_autofireStatus[k];
996 if (m_autofireStatus[k] >= 2 * m_autofireThreshold) {
997 m_autofireStatus[k] = 0;
998 } else if (m_autofireStatus[k] >= m_autofireThreshold) {
999 active |= 1 << k;
1000 }
1001 }
1002 return active;
1003}
1004
1005void CoreController::finishFrame() {
1006 if (!m_hwaccel) {
1007 unsigned width, height;
1008 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
1009
1010 QMutexLocker locker(&m_bufferMutex);
1011 memcpy(m_completeBuffer.data(), m_activeBuffer.constData(), width * height * BYTES_PER_PIXEL);
1012 }
1013
1014 {
1015 QMutexLocker locker(&m_actionMutex);
1016 QList<std::function<void ()>> frameActions(m_frameActions);
1017 m_frameActions.clear();
1018 for (auto& action : frameActions) {
1019 action();
1020 }
1021 if (m_moreFrames > 0) {
1022 --m_moreFrames;
1023 if (!m_moreFrames) {
1024 mCoreThreadPauseFromThread(&m_threadContext);
1025 }
1026 }
1027 }
1028 updateKeys();
1029
1030 QMetaObject::invokeMethod(this, "frameAvailable");
1031}
1032
1033void CoreController::updateFastForward() {
1034 // If we have "Fast forward" checked in the menu (m_fastForwardForced)
1035 // or are holding the fast forward button (m_fastForward):
1036 if (m_fastForward || m_fastForwardForced) {
1037 if (m_fastForwardVolume >= 0) {
1038 m_threadContext.core->opts.volume = m_fastForwardVolume;
1039 }
1040 if (m_fastForwardMute >= 0) {
1041 m_threadContext.core->opts.mute = m_fastForwardMute;
1042 }
1043
1044 // If we aren't holding the fast forward button
1045 // then use the non "(held)" ratio
1046 if(!m_fastForward) {
1047 if (m_fastForwardRatio > 0) {
1048 m_threadContext.impl->sync.fpsTarget = m_fpsTarget * m_fastForwardRatio;
1049 setSync(true);
1050 } else {
1051 setSync(false);
1052 }
1053 } else {
1054 // If we are holding the fast forward button,
1055 // then use the held ratio
1056 if (m_fastForwardHeldRatio > 0) {
1057 m_threadContext.impl->sync.fpsTarget = m_fpsTarget * m_fastForwardHeldRatio;
1058 setSync(true);
1059 } else {
1060 setSync(false);
1061 }
1062 }
1063 } else {
1064 if (!mCoreConfigGetIntValue(&m_threadContext.core->config, "volume", &m_threadContext.core->opts.volume)) {
1065 m_threadContext.core->opts.volume = 0x100;
1066 }
1067 int fakeBool = 0;
1068 mCoreConfigGetIntValue(&m_threadContext.core->config, "mute", &fakeBool);
1069 m_threadContext.core->opts.mute = fakeBool;
1070 m_threadContext.impl->sync.fpsTarget = m_fpsTarget;
1071 setSync(true);
1072 }
1073
1074 m_threadContext.core->reloadConfigOption(m_threadContext.core, NULL, NULL);
1075}
1076
1077CoreController::Interrupter::Interrupter(CoreController* parent)
1078 : m_parent(parent)
1079{
1080 if (!m_parent->thread()->impl) {
1081 return;
1082 }
1083 if (mCoreThreadGet() != m_parent->thread()) {
1084 mCoreThreadInterrupt(m_parent->thread());
1085 } else {
1086 mCoreThreadInterruptFromThread(m_parent->thread());
1087 }
1088}
1089
1090CoreController::Interrupter::Interrupter(std::shared_ptr<CoreController> parent)
1091 : m_parent(parent.get())
1092{
1093 if (!m_parent->thread()->impl) {
1094 return;
1095 }
1096 if (mCoreThreadGet() != m_parent->thread()) {
1097 mCoreThreadInterrupt(m_parent->thread());
1098 } else {
1099 mCoreThreadInterruptFromThread(m_parent->thread());
1100 }
1101}
1102
1103CoreController::Interrupter::Interrupter(const Interrupter& other)
1104 : m_parent(other.m_parent)
1105{
1106 if (!m_parent->thread()->impl) {
1107 return;
1108 }
1109 mCoreThreadInterrupt(m_parent->thread());
1110}
1111
1112CoreController::Interrupter::~Interrupter() {
1113 if (!m_parent->thread()->impl) {
1114 return;
1115 }
1116 mCoreThreadContinue(m_parent->thread());
1117}