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