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
31using namespace QGBA;
32
33
34CoreController::CoreController(mCore* core, QObject* parent)
35 : QObject(parent)
36 , m_saveStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_CHEATS | SAVESTATE_RTC)
37 , m_loadStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_RTC)
38{
39 m_threadContext.core = core;
40 m_threadContext.userData = this;
41
42 QSize size(256, 512);
43 m_buffers[0].resize(size.width() * size.height() * sizeof(color_t));
44 m_buffers[1].resize(size.width() * size.height() * sizeof(color_t));
45 m_buffers[0].fill(0xFF);
46 m_buffers[1].fill(0xFF);
47 m_activeBuffer = &m_buffers[0];
48
49 m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer->data()), size.width());
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 PLATFORM_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 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 if (mCoreLoadState(context->core, 0, controller->m_loadStateFlags)) {
83 mCoreDeleteState(context->core, 0);
84 }
85
86 controller->m_resetActions.clear();
87
88 QSize size = controller->screenDimensions();
89 controller->m_buffers[0].resize(size.width() * size.height() * sizeof(color_t));
90 controller->m_buffers[1].resize(size.width() * size.height() * sizeof(color_t));
91 controller->m_buffers[0].fill(0xFF);
92 controller->m_buffers[1].fill(0xFF);
93 controller->m_activeBuffer = &controller->m_buffers[0];
94
95 context->core->setVideoBuffer(context->core, reinterpret_cast<color_t*>(controller->m_activeBuffer->data()), size.width());
96
97 controller->finishFrame();
98 };
99
100 m_threadContext.frameCallback = [](mCoreThread* context) {
101 CoreController* controller = static_cast<CoreController*>(context->userData);
102
103 controller->finishFrame();
104 };
105
106 m_threadContext.cleanCallback = [](mCoreThread* context) {
107 CoreController* controller = static_cast<CoreController*>(context->userData);
108
109 controller->clearMultiplayerController();
110 QMetaObject::invokeMethod(controller, "stopping");
111 };
112
113 m_threadContext.pauseCallback = [](mCoreThread* context) {
114 CoreController* controller = static_cast<CoreController*>(context->userData);
115
116 QMetaObject::invokeMethod(controller, "paused");
117 };
118
119 m_threadContext.unpauseCallback = [](mCoreThread* context) {
120 CoreController* controller = static_cast<CoreController*>(context->userData);
121
122 QMetaObject::invokeMethod(controller, "unpaused");
123 };
124
125 m_threadContext.logger.d.log = [](mLogger* logger, int category, enum mLogLevel level, const char* format, va_list args) {
126 mThreadLogger* logContext = reinterpret_cast<mThreadLogger*>(logger);
127 mCoreThread* context = logContext->p;
128
129 static const char* savestateMessage = "State %i loaded";
130 static const char* savestateFailedMessage = "State %i failed to load";
131 static int biosCat = -1;
132 static int statusCat = -1;
133 if (!context) {
134 return;
135 }
136 CoreController* controller = static_cast<CoreController*>(context->userData);
137 QString message;
138 if (biosCat < 0) {
139 biosCat = mLogCategoryById("gba.bios");
140 }
141 if (statusCat < 0) {
142 statusCat = mLogCategoryById("core.status");
143 }
144#ifdef M_CORE_GBA
145 if (level == mLOG_STUB && category == biosCat) {
146 va_list argc;
147 va_copy(argc, args);
148 int immediate = va_arg(argc, int);
149 va_end(argc);
150 QMetaObject::invokeMethod(controller, "unimplementedBiosCall", Q_ARG(int, immediate));
151 } else
152#endif
153 if (category == statusCat) {
154 // Slot 0 is reserved for suspend points
155 if (strncmp(savestateMessage, format, strlen(savestateMessage)) == 0) {
156 va_list argc;
157 va_copy(argc, args);
158 int slot = va_arg(argc, int);
159 va_end(argc);
160 if (slot == 0) {
161 format = "Loaded suspend state";
162 }
163 } else if (strncmp(savestateFailedMessage, format, strlen(savestateFailedMessage)) == 0) {
164 va_list argc;
165 va_copy(argc, args);
166 int slot = va_arg(argc, int);
167 va_end(argc);
168 if (slot == 0) {
169 return;
170 }
171 }
172 message = QString().vsprintf(format, args);
173 QMetaObject::invokeMethod(controller, "statusPosted", Q_ARG(const QString&, message));
174 }
175 if (level == mLOG_FATAL) {
176 mCoreThreadMarkCrashed(controller->thread());
177 QMetaObject::invokeMethod(controller, "crashed", Q_ARG(const QString&, QString().vsprintf(format, args)));
178 }
179 message = QString().vsprintf(format, args);
180 QMetaObject::invokeMethod(controller, "logPosted", Q_ARG(int, level), Q_ARG(int, category), Q_ARG(const QString&, message));
181 };
182}
183
184CoreController::~CoreController() {
185 endVideoLog();
186 stop();
187 disconnect();
188
189 if (m_cacheSet) {
190 mCacheSetDeinit(m_cacheSet.get());
191 m_cacheSet.reset();
192 }
193
194 mCoreThreadJoin(&m_threadContext);
195
196 mCoreConfigDeinit(&m_threadContext.core->config);
197 m_threadContext.core->deinit(m_threadContext.core);
198}
199
200color_t* CoreController::drawContext() {
201 QMutexLocker locker(&m_mutex);
202 if (!m_completeBuffer) {
203 return nullptr;
204 }
205 return reinterpret_cast<color_t*>(m_completeBuffer->data());
206}
207
208bool CoreController::isPaused() {
209 return mCoreThreadIsPaused(&m_threadContext);
210}
211
212mPlatform CoreController::platform() const {
213 return m_threadContext.core->platform(m_threadContext.core);
214}
215
216QSize CoreController::screenDimensions() const {
217 unsigned width, height;
218 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
219
220 return QSize(width, height);
221}
222
223void CoreController::loadConfig(ConfigController* config) {
224 Interrupter interrupter(this);
225 m_loadStateFlags = config->getOption("loadStateExtdata", m_loadStateFlags).toInt();
226 m_saveStateFlags = config->getOption("saveStateExtdata", m_saveStateFlags).toInt();
227 m_fastForwardRatio = config->getOption("fastForwardRatio", m_fastForwardRatio).toFloat();
228 m_videoSync = config->getOption("videoSync", m_videoSync).toInt();
229 m_audioSync = config->getOption("audioSync", m_audioSync).toInt();
230 m_fpsTarget = config->getOption("fpsTarget").toFloat();
231 m_autofireThreshold = config->getOption("autofireThreshold", m_autofireThreshold).toInt();
232 updateFastForward();
233 mCoreLoadForeignConfig(m_threadContext.core, config->config());
234 mCoreThreadRewindParamsChanged(&m_threadContext);
235}
236
237#ifdef USE_DEBUGGERS
238void CoreController::setDebugger(mDebugger* debugger) {
239 Interrupter interrupter(this);
240 if (debugger) {
241 mDebuggerAttach(debugger, m_threadContext.core);
242 } else {
243 m_threadContext.core->detachDebugger(m_threadContext.core);
244 }
245}
246#endif
247
248void CoreController::setMultiplayerController(MultiplayerController* controller) {
249 if (controller == m_multiplayer) {
250 return;
251 }
252 clearMultiplayerController();
253 m_multiplayer = controller;
254 if (!mCoreThreadHasStarted(&m_threadContext)) {
255 return;
256 }
257 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* thread) {
258 CoreController* controller = static_cast<CoreController*>(thread->userData);
259 controller->m_multiplayer->attachGame(controller);
260 });
261}
262
263void CoreController::clearMultiplayerController() {
264 if (!m_multiplayer) {
265 return;
266 }
267 m_multiplayer->detachGame(this);
268 m_multiplayer = nullptr;
269}
270
271mCacheSet* CoreController::graphicCaches() {
272 if (m_cacheSet) {
273 return m_cacheSet.get();
274 }
275 Interrupter interrupter(this);
276 switch (platform()) {
277#ifdef M_CORE_GBA
278 case PLATFORM_GBA: {
279 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
280 m_cacheSet = std::make_unique<mCacheSet>();
281 GBAVideoCacheInit(m_cacheSet.get());
282 GBAVideoCacheAssociate(m_cacheSet.get(), &gba->video);
283 break;
284 }
285#endif
286#ifdef M_CORE_GB
287 case PLATFORM_GB: {
288 GB* gb = static_cast<GB*>(m_threadContext.core->board);
289 m_cacheSet = std::make_unique<mCacheSet>();
290 GBVideoCacheInit(m_cacheSet.get());
291 GBVideoCacheAssociate(m_cacheSet.get(), &gb->video);
292 break;
293 }
294#endif
295 default:
296 return nullptr;
297 }
298 return m_cacheSet.get();
299}
300
301void CoreController::setOverride(std::unique_ptr<Override> override) {
302 Interrupter interrupter(this);
303 m_override = std::move(override);
304 m_override->identify(m_threadContext.core);
305}
306
307void CoreController::setInputController(InputController* inputController) {
308 m_inputController = inputController;
309 m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_ROTATION, m_inputController->rotationSource());
310 m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_RUMBLE, m_inputController->rumble());
311 m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_IMAGE_SOURCE, m_inputController->imageSource());
312}
313
314void CoreController::setLogger(LogController* logger) {
315 disconnect(m_log);
316 m_log = logger;
317 m_threadContext.logger.d.filter = logger->filter();
318 connect(this, &CoreController::logPosted, m_log, &LogController::postLog);
319}
320
321void CoreController::start() {
322 if (!m_patched) {
323 mCoreAutoloadPatch(m_threadContext.core);
324 }
325 if (!mCoreThreadStart(&m_threadContext)) {
326 emit failed();
327 emit stopping();
328 }
329}
330
331void CoreController::stop() {
332#ifdef USE_DEBUGGERS
333 setDebugger(nullptr);
334#endif
335 setPaused(false);
336 mCoreThreadEnd(&m_threadContext);
337 emit stopping();
338}
339
340void CoreController::reset() {
341 bool wasPaused = isPaused();
342 setPaused(false);
343 Interrupter interrupter(this);
344 mCoreThreadReset(&m_threadContext);
345 if (wasPaused) {
346 setPaused(true);
347 }
348}
349
350void CoreController::setPaused(bool paused) {
351 if (paused == isPaused()) {
352 return;
353 }
354 if (paused) {
355 QMutexLocker locker(&m_mutex);
356 m_frameActions.append([this]() {
357 mCoreThreadPauseFromThread(&m_threadContext);
358 });
359 } else {
360 mCoreThreadUnpause(&m_threadContext);
361 }
362}
363
364void CoreController::frameAdvance() {
365 QMutexLocker locker(&m_mutex);
366 m_frameActions.append([this]() {
367 mCoreThreadPauseFromThread(&m_threadContext);
368 });
369 setPaused(false);
370}
371
372void CoreController::setSync(bool sync) {
373 if (sync) {
374 m_threadContext.impl->sync.audioWait = m_audioSync;
375 m_threadContext.impl->sync.videoFrameWait = m_videoSync;
376 } else {
377 m_threadContext.impl->sync.audioWait = false;
378 m_threadContext.impl->sync.videoFrameWait = false;
379 }
380}
381
382void CoreController::setRewinding(bool rewind) {
383 if (!m_threadContext.core->opts.rewindEnable) {
384 return;
385 }
386 if (rewind && m_multiplayer && m_multiplayer->attached() > 1) {
387 return;
388 }
389
390 if (rewind && isPaused()) {
391 setPaused(false);
392 // TODO: restore autopausing
393 }
394 mCoreThreadSetRewinding(&m_threadContext, rewind);
395}
396
397void CoreController::rewind(int states) {
398 {
399 Interrupter interrupter(this);
400 if (!states) {
401 states = INT_MAX;
402 }
403 for (int i = 0; i < states; ++i) {
404 if (!mCoreRewindRestore(&m_threadContext.impl->rewind, m_threadContext.core)) {
405 break;
406 }
407 }
408 }
409 emit frameAvailable();
410 emit rewound();
411}
412
413void CoreController::setFastForward(bool enable) {
414 m_fastForward = enable;
415 updateFastForward();
416}
417
418void CoreController::forceFastForward(bool enable) {
419 m_fastForwardForced = enable;
420 updateFastForward();
421}
422
423void CoreController::loadState(int slot) {
424 if (slot > 0 && slot != m_stateSlot) {
425 m_stateSlot = slot;
426 m_backupSaveState.clear();
427 }
428 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
429 CoreController* controller = static_cast<CoreController*>(context->userData);
430 if (!controller->m_backupLoadState.isOpen()) {
431 controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
432 }
433 mCoreSaveStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
434 if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
435 emit controller->frameAvailable();
436 emit controller->stateLoaded();
437 }
438 });
439}
440
441void CoreController::saveState(int slot) {
442 if (slot > 0) {
443 m_stateSlot = slot;
444 }
445 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
446 CoreController* controller = static_cast<CoreController*>(context->userData);
447 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, false);
448 if (vf) {
449 controller->m_backupSaveState.resize(vf->size(vf));
450 vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
451 vf->close(vf);
452 }
453 mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
454 });
455}
456
457void CoreController::loadBackupState() {
458 if (!m_backupLoadState.isOpen()) {
459 return;
460 }
461
462 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
463 CoreController* controller = static_cast<CoreController*>(context->userData);
464 controller->m_backupLoadState.seek(0);
465 if (mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
466 mLOG(STATUS, INFO, "Undid state load");
467 controller->frameAvailable();
468 controller->stateLoaded();
469 }
470 controller->m_backupLoadState.close();
471 });
472}
473
474void CoreController::saveBackupState() {
475 if (m_backupSaveState.isEmpty()) {
476 return;
477 }
478
479 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
480 CoreController* controller = static_cast<CoreController*>(context->userData);
481 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, true);
482 if (vf) {
483 vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
484 vf->close(vf);
485 mLOG(STATUS, INFO, "Undid state save");
486 }
487 controller->m_backupSaveState.clear();
488 });
489}
490
491void CoreController::loadSave(const QString& path, bool temporary) {
492 m_resetActions.append([this, path, temporary]() {
493 VFile* vf = VFileDevice::open(path, temporary ? O_RDONLY : O_RDWR);
494 if (!vf) {
495 LOG(QT, ERROR) << tr("Failed to open save file: %1").arg(path);
496 return;
497 }
498
499 if (temporary) {
500 m_threadContext.core->loadTemporarySave(m_threadContext.core, vf);
501 } else {
502 m_threadContext.core->loadSave(m_threadContext.core, vf);
503 }
504 });
505 reset();
506}
507
508void CoreController::loadPatch(const QString& patchPath) {
509 Interrupter interrupter(this);
510 VFile* patch = VFileDevice::open(patchPath, O_RDONLY);
511 if (patch) {
512 m_threadContext.core->loadPatch(m_threadContext.core, patch);
513 m_patched = true;
514 }
515 patch->close(patch);
516 if (mCoreThreadHasStarted(&m_threadContext)) {
517 reset();
518 }
519}
520
521void CoreController::replaceGame(const QString& path) {
522 QFileInfo info(path);
523 if (!info.isReadable()) {
524 LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
525 return;
526 }
527 QString fname = info.canonicalFilePath();
528 Interrupter interrupter(this);
529 mDirectorySetDetachBase(&m_threadContext.core->dirs);
530 mCoreLoadFile(m_threadContext.core, fname.toLocal8Bit().constData());
531}
532
533void CoreController::yankPak() {
534#ifdef M_CORE_GBA
535 if (platform() != PLATFORM_GBA) {
536 return;
537 }
538 Interrupter interrupter(this);
539 GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
540#endif
541}
542
543void CoreController::addKey(int key) {
544 m_activeKeys |= 1 << key;
545}
546
547void CoreController::clearKey(int key) {
548 m_activeKeys &= ~(1 << key);
549}
550
551void CoreController::setAutofire(int key, bool enable) {
552 if (key >= 32 || key < 0) {
553 return;
554 }
555
556 m_autofire[key] = enable;
557 m_autofireStatus[key] = 0;
558}
559
560#ifdef USE_PNG
561void CoreController::screenshot() {
562 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
563 mCoreTakeScreenshot(context->core);
564 });
565}
566#endif
567
568void CoreController::setRealTime() {
569 m_threadContext.core->rtc.override = RTC_NO_OVERRIDE;
570}
571
572void CoreController::setFixedTime(const QDateTime& time) {
573 m_threadContext.core->rtc.override = RTC_FIXED;
574 m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
575}
576
577void CoreController::setFakeEpoch(const QDateTime& time) {
578 m_threadContext.core->rtc.override = RTC_FAKE_EPOCH;
579 m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
580}
581
582void CoreController::importSharkport(const QString& path) {
583#ifdef M_CORE_GBA
584 if (platform() != PLATFORM_GBA) {
585 return;
586 }
587 VFile* vf = VFileDevice::open(path, O_RDONLY);
588 if (!vf) {
589 LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
590 return;
591 }
592 Interrupter interrupter(this);
593 GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
594 vf->close(vf);
595#endif
596}
597
598void CoreController::exportSharkport(const QString& path) {
599#ifdef M_CORE_GBA
600 if (platform() != PLATFORM_GBA) {
601 return;
602 }
603 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
604 if (!vf) {
605 LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
606 return;
607 }
608 Interrupter interrupter(this);
609 GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
610 vf->close(vf);
611#endif
612}
613
614void CoreController::attachPrinter() {
615#ifdef M_CORE_GB
616 if (platform() != PLATFORM_GB) {
617 return;
618 }
619 GB* gb = static_cast<GB*>(m_threadContext.core->board);
620 clearMultiplayerController();
621 GBPrinterCreate(&m_printer.d);
622 m_printer.parent = this;
623 m_printer.d.print = [](GBPrinter* printer, int height, const uint8_t* data) {
624 QGBPrinter* qPrinter = reinterpret_cast<QGBPrinter*>(printer);
625 QImage image(GB_VIDEO_HORIZONTAL_PIXELS, height, QImage::Format_Indexed8);
626 QVector<QRgb> colors;
627 colors.append(qRgb(0xF8, 0xF8, 0xF8));
628 colors.append(qRgb(0xA8, 0xA8, 0xA8));
629 colors.append(qRgb(0x50, 0x50, 0x50));
630 colors.append(qRgb(0x00, 0x00, 0x00));
631 image.setColorTable(colors);
632 for (int y = 0; y < height; ++y) {
633 for (int x = 0; x < GB_VIDEO_HORIZONTAL_PIXELS; x += 4) {
634 uint8_t byte = data[(x + y * GB_VIDEO_HORIZONTAL_PIXELS) / 4];
635 image.setPixel(x + 0, y, (byte & 0xC0) >> 6);
636 image.setPixel(x + 1, y, (byte & 0x30) >> 4);
637 image.setPixel(x + 2, y, (byte & 0x0C) >> 2);
638 image.setPixel(x + 3, y, (byte & 0x03) >> 0);
639 }
640 }
641 QMetaObject::invokeMethod(qPrinter->parent, "imagePrinted", Q_ARG(const QImage&, image));
642 };
643 GBSIOSetDriver(&gb->sio, &m_printer.d.d);
644#endif
645}
646
647void CoreController::detachPrinter() {
648#ifdef M_CORE_GB
649 if (platform() != PLATFORM_GB) {
650 return;
651 }
652 GB* gb = static_cast<GB*>(m_threadContext.core->board);
653 GBPrinterDonePrinting(&m_printer.d);
654 GBSIOSetDriver(&gb->sio, nullptr);
655#endif
656}
657
658void CoreController::endPrint() {
659#ifdef M_CORE_GB
660 if (platform() != PLATFORM_GB) {
661 return;
662 }
663 GBPrinterDonePrinting(&m_printer.d);
664#endif
665}
666
667void CoreController::setAVStream(mAVStream* stream) {
668 Interrupter interrupter(this);
669 m_threadContext.core->setAVStream(m_threadContext.core, stream);
670}
671
672void CoreController::clearAVStream() {
673 Interrupter interrupter(this);
674 m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
675}
676
677void CoreController::clearOverride() {
678 m_override.reset();
679}
680
681void CoreController::startVideoLog(const QString& path) {
682 if (m_vl) {
683 return;
684 }
685
686 Interrupter interrupter(this);
687 m_vl = mVideoLogContextCreate(m_threadContext.core);
688 m_vlVf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
689 mVideoLogContextSetOutput(m_vl, m_vlVf);
690 mVideoLogContextWriteHeader(m_vl, m_threadContext.core);
691}
692
693void CoreController::endVideoLog() {
694 if (!m_vl) {
695 return;
696 }
697
698 Interrupter interrupter(this);
699 mVideoLogContextDestroy(m_threadContext.core, m_vl);
700 if (m_vlVf) {
701 m_vlVf->close(m_vlVf);
702 m_vlVf = nullptr;
703 }
704 m_vl = nullptr;
705}
706
707void CoreController::updateKeys() {
708 int activeKeys = m_activeKeys | updateAutofire() | m_inputController->pollEvents();
709 m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
710}
711
712int CoreController::updateAutofire() {
713 int active = 0;
714 for (int k = 0; k < 32; ++k) {
715 if (!m_autofire[k]) {
716 continue;
717 }
718 ++m_autofireStatus[k];
719 if (m_autofireStatus[k] >= 2 * m_autofireThreshold) {
720 m_autofireStatus[k] = 0;
721 } else if (m_autofireStatus[k] >= m_autofireThreshold) {
722 active |= 1 << k;
723 }
724 }
725 return active;
726}
727
728void CoreController::finishFrame() {
729 QMutexLocker locker(&m_mutex);
730 m_completeBuffer = m_activeBuffer;
731
732 // TODO: Generalize this to triple buffering?
733 m_activeBuffer = &m_buffers[0];
734 if (m_activeBuffer == m_completeBuffer) {
735 m_activeBuffer = &m_buffers[1];
736 }
737 // Copy contents to avoid issues when doing frameskip
738 *m_activeBuffer = *m_completeBuffer;
739 m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer->data()), screenDimensions().width());
740
741 for (auto& action : m_frameActions) {
742 action();
743 }
744 m_frameActions.clear();
745 updateKeys();
746
747 QMetaObject::invokeMethod(this, "frameAvailable");
748}
749
750void CoreController::updateFastForward() {
751 if (m_fastForward || m_fastForwardForced) {
752 if (m_fastForwardRatio > 0) {
753 m_threadContext.impl->sync.fpsTarget = m_fpsTarget * m_fastForwardRatio;
754 } else {
755 setSync(false);
756 }
757 } else {
758 m_threadContext.impl->sync.fpsTarget = m_fpsTarget;
759 setSync(true);
760 }
761}
762
763CoreController::Interrupter::Interrupter(CoreController* parent, bool fromThread)
764 : m_parent(parent)
765{
766 if (!m_parent->thread()->impl) {
767 return;
768 }
769 if (!fromThread) {
770 mCoreThreadInterrupt(m_parent->thread());
771 } else {
772 mCoreThreadInterruptFromThread(m_parent->thread());
773 }
774}
775
776CoreController::Interrupter::Interrupter(std::shared_ptr<CoreController> parent, bool fromThread)
777 : m_parent(parent.get())
778{
779 if (!m_parent->thread()->impl) {
780 return;
781 }
782 if (!fromThread) {
783 mCoreThreadInterrupt(m_parent->thread());
784 } else {
785 mCoreThreadInterruptFromThread(m_parent->thread());
786 }
787}
788
789CoreController::Interrupter::Interrupter(const Interrupter& other)
790 : m_parent(other.m_parent)
791{
792 if (!m_parent->thread()->impl) {
793 return;
794 }
795 mCoreThreadInterrupt(m_parent->thread());
796}
797
798CoreController::Interrupter::~Interrupter() {
799 if (!m_parent->thread()->impl) {
800 return;
801 }
802 mCoreThreadContinue(m_parent->thread());
803}