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/tile-cache.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/tile-cache.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_override) {
65 controller->m_override->identify(context->core);
66 controller->m_override->apply(context->core);
67 }
68
69 if (controller->m_multiplayer) {
70 controller->m_multiplayer->attachGame(controller);
71 }
72
73 QMetaObject::invokeMethod(controller, "started");
74 };
75
76 m_threadContext.resetCallback = [](mCoreThread* context) {
77 CoreController* controller = static_cast<CoreController*>(context->userData);
78 for (auto action : controller->m_resetActions) {
79 action();
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_tileCache) {
190 mTileCacheDeinit(m_tileCache.get());
191 m_tileCache.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
271mTileCache* CoreController::tileCache() {
272 if (m_tileCache) {
273 return m_tileCache.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_tileCache = std::make_unique<mTileCache>();
281 GBAVideoTileCacheInit(m_tileCache.get());
282 GBAVideoTileCacheAssociate(m_tileCache.get(), &gba->video);
283 mTileCacheSetPalette(m_tileCache.get(), 0);
284 break;
285 }
286#endif
287#ifdef M_CORE_GB
288 case PLATFORM_GB: {
289 GB* gb = static_cast<GB*>(m_threadContext.core->board);
290 m_tileCache = std::make_unique<mTileCache>();
291 GBVideoTileCacheInit(m_tileCache.get());
292 GBVideoTileCacheAssociate(m_tileCache.get(), &gb->video);
293 mTileCacheSetPalette(m_tileCache.get(), 0);
294 break;
295 }
296#endif
297 default:
298 return nullptr;
299 }
300 return m_tileCache.get();
301}
302
303void CoreController::setOverride(std::unique_ptr<Override> override) {
304 Interrupter interrupter(this);
305 m_override = std::move(override);
306 m_override->identify(m_threadContext.core);
307}
308
309void CoreController::setInputController(InputController* inputController) {
310 m_inputController = inputController;
311 m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_ROTATION, m_inputController->rotationSource());
312 m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_RUMBLE, m_inputController->rumble());
313 m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_IMAGE_SOURCE, m_inputController->imageSource());
314}
315
316void CoreController::setLogger(LogController* logger) {
317 disconnect(m_log);
318 m_log = logger;
319 m_threadContext.logger.d.filter = logger->filter();
320 connect(this, &CoreController::logPosted, m_log, &LogController::postLog);
321}
322
323void CoreController::start() {
324 if (!m_patched) {
325 mCoreAutoloadPatch(m_threadContext.core);
326 }
327 if (!mCoreThreadStart(&m_threadContext)) {
328 emit failed();
329 emit stopping();
330 }
331}
332
333void CoreController::stop() {
334#ifdef USE_DEBUGGERS
335 setDebugger(nullptr);
336#endif
337 setPaused(false);
338 mCoreThreadEnd(&m_threadContext);
339 emit stopping();
340}
341
342void CoreController::reset() {
343 bool wasPaused = isPaused();
344 setPaused(false);
345 Interrupter interrupter(this);
346 mCoreThreadReset(&m_threadContext);
347 if (wasPaused) {
348 setPaused(true);
349 }
350}
351
352void CoreController::setPaused(bool paused) {
353 if (paused == isPaused()) {
354 return;
355 }
356 if (paused) {
357 QMutexLocker locker(&m_mutex);
358 m_frameActions.append([this]() {
359 mCoreThreadPauseFromThread(&m_threadContext);
360 });
361 } else {
362 mCoreThreadUnpause(&m_threadContext);
363 }
364}
365
366void CoreController::frameAdvance() {
367 QMutexLocker locker(&m_mutex);
368 m_frameActions.append([this]() {
369 mCoreThreadPauseFromThread(&m_threadContext);
370 });
371 setPaused(false);
372}
373
374void CoreController::setSync(bool sync) {
375 if (sync) {
376 m_threadContext.impl->sync.audioWait = m_audioSync;
377 m_threadContext.impl->sync.videoFrameWait = m_videoSync;
378 } else {
379 m_threadContext.impl->sync.audioWait = false;
380 m_threadContext.impl->sync.videoFrameWait = false;
381 }
382}
383
384void CoreController::setRewinding(bool rewind) {
385 if (!m_threadContext.core->opts.rewindEnable) {
386 return;
387 }
388 if (rewind && m_multiplayer && m_multiplayer->attached() > 1) {
389 return;
390 }
391
392 if (rewind && isPaused()) {
393 setPaused(false);
394 // TODO: restore autopausing
395 }
396 mCoreThreadSetRewinding(&m_threadContext, rewind);
397}
398
399void CoreController::rewind(int states) {
400 {
401 Interrupter interrupter(this);
402 if (!states) {
403 states = INT_MAX;
404 }
405 for (int i = 0; i < states; ++i) {
406 if (!mCoreRewindRestore(&m_threadContext.impl->rewind, m_threadContext.core)) {
407 break;
408 }
409 }
410 }
411 emit frameAvailable();
412 emit rewound();
413}
414
415void CoreController::setFastForward(bool enable) {
416 m_fastForward = enable;
417 updateFastForward();
418}
419
420void CoreController::forceFastForward(bool enable) {
421 m_fastForwardForced = enable;
422 updateFastForward();
423}
424
425void CoreController::loadState(int slot) {
426 if (slot > 0 && slot != m_stateSlot) {
427 m_stateSlot = slot;
428 m_backupSaveState.clear();
429 }
430 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
431 CoreController* controller = static_cast<CoreController*>(context->userData);
432 if (!controller->m_backupLoadState.isOpen()) {
433 controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
434 }
435 mCoreSaveStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
436 if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
437 emit controller->frameAvailable();
438 emit controller->stateLoaded();
439 }
440 });
441}
442
443void CoreController::saveState(int slot) {
444 if (slot > 0) {
445 m_stateSlot = slot;
446 }
447 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
448 CoreController* controller = static_cast<CoreController*>(context->userData);
449 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, false);
450 if (vf) {
451 controller->m_backupSaveState.resize(vf->size(vf));
452 vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
453 vf->close(vf);
454 }
455 mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
456 });
457}
458
459void CoreController::loadBackupState() {
460 if (!m_backupLoadState.isOpen()) {
461 return;
462 }
463
464 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
465 CoreController* controller = static_cast<CoreController*>(context->userData);
466 controller->m_backupLoadState.seek(0);
467 if (mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
468 mLOG(STATUS, INFO, "Undid state load");
469 controller->frameAvailable();
470 controller->stateLoaded();
471 }
472 controller->m_backupLoadState.close();
473 });
474}
475
476void CoreController::saveBackupState() {
477 if (m_backupSaveState.isEmpty()) {
478 return;
479 }
480
481 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
482 CoreController* controller = static_cast<CoreController*>(context->userData);
483 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, true);
484 if (vf) {
485 vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
486 vf->close(vf);
487 mLOG(STATUS, INFO, "Undid state save");
488 }
489 controller->m_backupSaveState.clear();
490 });
491}
492
493void CoreController::loadSave(const QString& path, bool temporary) {
494 m_resetActions.append([this, path, temporary]() {
495 VFile* vf = VFileDevice::open(path, temporary ? O_RDONLY : O_RDWR);
496 if (!vf) {
497 LOG(QT, ERROR) << tr("Failed to open save file: %1").arg(path);
498 return;
499 }
500
501 if (temporary) {
502 m_threadContext.core->loadTemporarySave(m_threadContext.core, vf);
503 } else {
504 m_threadContext.core->loadSave(m_threadContext.core, vf);
505 }
506 });
507 reset();
508}
509
510void CoreController::loadPatch(const QString& patchPath) {
511 Interrupter interrupter(this);
512 VFile* patch = VFileDevice::open(patchPath, O_RDONLY);
513 if (patch) {
514 m_threadContext.core->loadPatch(m_threadContext.core, patch);
515 m_patched = true;
516 }
517 patch->close(patch);
518 if (mCoreThreadHasStarted(&m_threadContext)) {
519 reset();
520 }
521}
522
523void CoreController::replaceGame(const QString& path) {
524 QFileInfo info(path);
525 if (!info.isReadable()) {
526 LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
527 return;
528 }
529 QString fname = info.canonicalFilePath();
530 Interrupter interrupter(this);
531 mDirectorySetDetachBase(&m_threadContext.core->dirs);
532 mCoreLoadFile(m_threadContext.core, fname.toLocal8Bit().constData());
533}
534
535void CoreController::yankPak() {
536#ifdef M_CORE_GBA
537 if (platform() != PLATFORM_GBA) {
538 return;
539 }
540 Interrupter interrupter(this);
541 GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
542#endif
543}
544
545void CoreController::addKey(int key) {
546 m_activeKeys |= 1 << key;
547}
548
549void CoreController::clearKey(int key) {
550 m_activeKeys &= ~(1 << key);
551}
552
553void CoreController::setAutofire(int key, bool enable) {
554 if (key >= 32 || key < 0) {
555 return;
556 }
557
558 m_autofire[key] = enable;
559 m_autofireStatus[key] = 0;
560}
561
562#ifdef USE_PNG
563void CoreController::screenshot() {
564 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
565 mCoreTakeScreenshot(context->core);
566 });
567}
568#endif
569
570void CoreController::setRealTime() {
571 m_threadContext.core->rtc.override = RTC_NO_OVERRIDE;
572}
573
574void CoreController::setFixedTime(const QDateTime& time) {
575 m_threadContext.core->rtc.override = RTC_FIXED;
576 m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
577}
578
579void CoreController::setFakeEpoch(const QDateTime& time) {
580 m_threadContext.core->rtc.override = RTC_FAKE_EPOCH;
581 m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
582}
583
584void CoreController::importSharkport(const QString& path) {
585#ifdef M_CORE_GBA
586 if (platform() != PLATFORM_GBA) {
587 return;
588 }
589 VFile* vf = VFileDevice::open(path, O_RDONLY);
590 if (!vf) {
591 LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
592 return;
593 }
594 Interrupter interrupter(this);
595 GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
596 vf->close(vf);
597#endif
598}
599
600void CoreController::exportSharkport(const QString& path) {
601#ifdef M_CORE_GBA
602 if (platform() != PLATFORM_GBA) {
603 return;
604 }
605 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
606 if (!vf) {
607 LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
608 return;
609 }
610 Interrupter interrupter(this);
611 GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
612 vf->close(vf);
613#endif
614}
615
616void CoreController::attachPrinter() {
617#ifdef M_CORE_GB
618 if (platform() != PLATFORM_GB) {
619 return;
620 }
621 GB* gb = static_cast<GB*>(m_threadContext.core->board);
622 clearMultiplayerController();
623 GBPrinterCreate(&m_printer.d);
624 m_printer.parent = this;
625 m_printer.d.print = [](GBPrinter* printer, int height, const uint8_t* data) {
626 QGBPrinter* qPrinter = reinterpret_cast<QGBPrinter*>(printer);
627 QImage image(GB_VIDEO_HORIZONTAL_PIXELS, height, QImage::Format_Indexed8);
628 QVector<QRgb> colors;
629 colors.append(qRgb(0xF8, 0xF8, 0xF8));
630 colors.append(qRgb(0xA8, 0xA8, 0xA8));
631 colors.append(qRgb(0x50, 0x50, 0x50));
632 colors.append(qRgb(0x00, 0x00, 0x00));
633 image.setColorTable(colors);
634 for (int y = 0; y < height; ++y) {
635 for (int x = 0; x < GB_VIDEO_HORIZONTAL_PIXELS; x += 4) {
636 uint8_t byte = data[(x + y * GB_VIDEO_HORIZONTAL_PIXELS) / 4];
637 image.setPixel(x + 0, y, (byte & 0xC0) >> 6);
638 image.setPixel(x + 1, y, (byte & 0x30) >> 4);
639 image.setPixel(x + 2, y, (byte & 0x0C) >> 2);
640 image.setPixel(x + 3, y, (byte & 0x03) >> 0);
641 }
642 }
643 QMetaObject::invokeMethod(qPrinter->parent, "imagePrinted", Q_ARG(const QImage&, image));
644 };
645 GBSIOSetDriver(&gb->sio, &m_printer.d.d);
646#endif
647}
648
649void CoreController::detachPrinter() {
650#ifdef M_CORE_GB
651 if (platform() != PLATFORM_GB) {
652 return;
653 }
654 GB* gb = static_cast<GB*>(m_threadContext.core->board);
655 GBPrinterDonePrinting(&m_printer.d);
656 GBSIOSetDriver(&gb->sio, nullptr);
657#endif
658}
659
660void CoreController::endPrint() {
661#ifdef M_CORE_GB
662 if (platform() != PLATFORM_GB) {
663 return;
664 }
665 GBPrinterDonePrinting(&m_printer.d);
666#endif
667}
668
669void CoreController::setAVStream(mAVStream* stream) {
670 Interrupter interrupter(this);
671 m_threadContext.core->setAVStream(m_threadContext.core, stream);
672}
673
674void CoreController::clearAVStream() {
675 Interrupter interrupter(this);
676 m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
677}
678
679void CoreController::clearOverride() {
680 m_override.reset();
681}
682
683void CoreController::startVideoLog(const QString& path) {
684 if (m_vl) {
685 return;
686 }
687
688 Interrupter interrupter(this);
689 m_vl = mVideoLogContextCreate(m_threadContext.core);
690 m_vlVf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
691 mVideoLogContextSetOutput(m_vl, m_vlVf);
692 mVideoLogContextWriteHeader(m_vl, m_threadContext.core);
693}
694
695void CoreController::endVideoLog() {
696 if (!m_vl) {
697 return;
698 }
699
700 Interrupter interrupter(this);
701 mVideoLogContextDestroy(m_threadContext.core, m_vl);
702 if (m_vlVf) {
703 m_vlVf->close(m_vlVf);
704 m_vlVf = nullptr;
705 }
706 m_vl = nullptr;
707}
708
709void CoreController::updateKeys() {
710 int activeKeys = m_activeKeys | updateAutofire() | m_inputController->pollEvents();
711 m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
712}
713
714int CoreController::updateAutofire() {
715 int active = 0;
716 for (int k = 0; k < 32; ++k) {
717 if (!m_autofire[k]) {
718 continue;
719 }
720 ++m_autofireStatus[k];
721 if (m_autofireStatus[k] >= 2 * m_autofireThreshold) {
722 m_autofireStatus[k] = 0;
723 } else if (m_autofireStatus[k] >= m_autofireThreshold) {
724 active |= 1 << k;
725 }
726 }
727 return active;
728}
729
730void CoreController::finishFrame() {
731 QMutexLocker locker(&m_mutex);
732 m_completeBuffer = m_activeBuffer;
733
734 // TODO: Generalize this to triple buffering?
735 m_activeBuffer = &m_buffers[0];
736 if (m_activeBuffer == m_completeBuffer) {
737 m_activeBuffer = &m_buffers[1];
738 }
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}