src/platform/qt/GameController.cpp (view raw)
1/* Copyright (c) 2013-2014 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 "GameController.h"
7
8#include "AudioProcessor.h"
9#include "InputController.h"
10#include "LogController.h"
11#include "MultiplayerController.h"
12#include "VFileDevice.h"
13
14#include <QCoreApplication>
15#include <QDateTime>
16#include <QThread>
17
18#include <ctime>
19
20extern "C" {
21#include "core/config.h"
22#include "core/directories.h"
23#ifdef M_CORE_GBA
24#include "gba/bios.h"
25#include "gba/core.h"
26#include "gba/gba.h"
27#include "gba/serialize.h"
28#include "gba/sharkport.h"
29#endif
30#ifdef M_CORE_GB
31#include "gb/gb.h"
32#endif
33#include "util/vfs.h"
34}
35
36using namespace QGBA;
37using namespace std;
38
39GameController::GameController(QObject* parent)
40 : QObject(parent)
41 , m_drawContext(nullptr)
42 , m_frontBuffer(nullptr)
43 , m_threadContext()
44 , m_activeKeys(0)
45 , m_inactiveKeys(0)
46 , m_logLevels(0)
47 , m_gameOpen(false)
48 , m_audioThread(new QThread(this))
49 , m_audioProcessor(AudioProcessor::create())
50 , m_pauseAfterFrame(false)
51 , m_videoSync(VIDEO_SYNC)
52 , m_audioSync(AUDIO_SYNC)
53 , m_fpsTarget(-1)
54 , m_turbo(false)
55 , m_turboForced(false)
56 , m_turboSpeed(-1)
57 , m_wasPaused(false)
58 , m_audioChannels{ true, true, true, true, true, true }
59 , m_videoLayers{ true, true, true, true, true }
60 , m_autofire{}
61 , m_autofireStatus{}
62 , m_inputController(nullptr)
63 , m_multiplayer(nullptr)
64 , m_stream(nullptr)
65 , m_stateSlot(1)
66 , m_backupLoadState(nullptr)
67 , m_backupSaveState(nullptr)
68 , m_saveStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_CHEATS)
69 , m_loadStateFlags(SAVESTATE_SCREENSHOT)
70{
71 GBACheatDeviceCreate(&m_cheatDevice);
72
73 m_lux.p = this;
74 m_lux.sample = [](GBALuminanceSource* context) {
75 GameControllerLux* lux = static_cast<GameControllerLux*>(context);
76 lux->value = 0xFF - lux->p->m_luxValue;
77 };
78
79 m_lux.readLuminance = [](GBALuminanceSource* context) {
80 GameControllerLux* lux = static_cast<GameControllerLux*>(context);
81 return lux->value;
82 };
83 setLuminanceLevel(0);
84
85 m_threadContext.startCallback = [](mCoreThread* context) {
86 GameController* controller = static_cast<GameController*>(context->userData);
87 if (controller->m_audioProcessor) {
88 controller->m_audioProcessor->setInput(context);
89 }
90 mRTCGenericSourceInit(&controller->m_rtc, context->core);
91 context->core->setRTC(context->core, &controller->m_rtc.d);
92 context->core->setRotation(context->core, controller->m_inputController->rotationSource());
93 context->core->setRumble(context->core, controller->m_inputController->rumble());
94
95#ifdef M_CORE_GBA
96 GBA* gba = static_cast<GBA*>(context->core->board);
97#endif
98#ifdef M_CORE_GB
99 GB* gb = static_cast<GB*>(context->core->board);
100#endif
101 switch (context->core->platform(context->core)) {
102#ifdef M_CORE_GBA
103 case PLATFORM_GBA:
104 gba->luminanceSource = &controller->m_lux;
105 gba->audio.psg.forceDisableCh[0] = !controller->m_audioChannels[0];
106 gba->audio.psg.forceDisableCh[1] = !controller->m_audioChannels[1];
107 gba->audio.psg.forceDisableCh[2] = !controller->m_audioChannels[2];
108 gba->audio.psg.forceDisableCh[3] = !controller->m_audioChannels[3];
109 gba->audio.forceDisableChA = !controller->m_audioChannels[4];
110 gba->audio.forceDisableChB = !controller->m_audioChannels[5];
111 gba->video.renderer->disableBG[0] = !controller->m_videoLayers[0];
112 gba->video.renderer->disableBG[1] = !controller->m_videoLayers[1];
113 gba->video.renderer->disableBG[2] = !controller->m_videoLayers[2];
114 gba->video.renderer->disableBG[3] = !controller->m_videoLayers[3];
115 gba->video.renderer->disableOBJ = !controller->m_videoLayers[4];
116 break;
117#endif
118#ifdef M_CORE_GB
119 case PLATFORM_GB:
120 gb->audio.forceDisableCh[0] = !controller->m_audioChannels[0];
121 gb->audio.forceDisableCh[1] = !controller->m_audioChannels[1];
122 gb->audio.forceDisableCh[2] = !controller->m_audioChannels[2];
123 gb->audio.forceDisableCh[3] = !controller->m_audioChannels[3];
124 break;
125#endif
126 default:
127 break;
128 }
129 controller->m_fpsTarget = context->sync.fpsTarget;
130
131 if (mCoreLoadState(context->core, 0, controller->m_loadStateFlags)) {
132 mCoreDeleteState(context->core, 0);
133 }
134 QMetaObject::invokeMethod(controller, "gameStarted", Q_ARG(mCoreThread*, context), Q_ARG(const QString&, controller->m_fname));
135 };
136
137 m_threadContext.cleanCallback = [](mCoreThread* context) {
138 GameController* controller = static_cast<GameController*>(context->userData);
139 QMetaObject::invokeMethod(controller, "gameStopped", Q_ARG(mCoreThread*, context));
140 };
141
142 m_threadContext.frameCallback = [](mCoreThread* context) {
143 GameController* controller = static_cast<GameController*>(context->userData);
144 unsigned width, height;
145 controller->m_threadContext.core->desiredVideoDimensions(controller->m_threadContext.core, &width, &height);
146 memcpy(controller->m_frontBuffer, controller->m_drawContext, width * height * BYTES_PER_PIXEL);
147 QMetaObject::invokeMethod(controller, "frameAvailable", Q_ARG(const uint32_t*, controller->m_frontBuffer));
148 if (controller->m_pauseAfterFrame.testAndSetAcquire(true, false)) {
149 mCoreThreadPauseFromThread(context);
150 QMetaObject::invokeMethod(controller, "gamePaused", Q_ARG(mCoreThread*, context));
151 }
152 };
153
154 /*m_threadContext.stopCallback = [](mCoreThread* context) {
155 if (!context) {
156 return false;
157 }
158 GameController* controller = static_cast<GameController*>(context->userData);
159 if (!mCoreSaveState(context->core, 0, controller->m_saveStateFlags)) {
160 return false;
161 }
162 QMetaObject::invokeMethod(controller, "closeGame");
163 return true;
164 };*/
165
166 m_threadContext.logger.d.log = [](mLogger* logger, int category, enum mLogLevel level, const char* format, va_list args) {
167 mThreadLogger* logContext = reinterpret_cast<mThreadLogger*>(logger);
168 mCoreThread* context = logContext->p;
169
170 static const char* savestateMessage = "State %i loaded";
171 static const char* savestateFailedMessage = "State %i failed to load";
172 if (!context) {
173 return;
174 }
175 GameController* controller = static_cast<GameController*>(context->userData);
176 if (level == mLOG_STUB && category == _mLOG_CAT_GBA_BIOS()) {
177 va_list argc;
178 va_copy(argc, args);
179 int immediate = va_arg(argc, int);
180 va_end(argc);
181 QMetaObject::invokeMethod(controller, "unimplementedBiosCall", Q_ARG(int, immediate));
182 } else if (category == _mLOG_CAT_STATUS()) {
183 // Slot 0 is reserved for suspend points
184 if (strncmp(savestateMessage, format, strlen(savestateMessage)) == 0) {
185 va_list argc;
186 va_copy(argc, args);
187 int slot = va_arg(argc, int);
188 va_end(argc);
189 if (slot == 0) {
190 format = "Loaded suspend state";
191 }
192 } else if (strncmp(savestateFailedMessage, format, strlen(savestateFailedMessage)) == 0) {
193 va_list argc;
194 va_copy(argc, args);
195 int slot = va_arg(argc, int);
196 va_end(argc);
197 if (slot == 0) {
198 return;
199 }
200 }
201 }
202 if (level == mLOG_FATAL) {
203 QMetaObject::invokeMethod(controller, "crashGame", Q_ARG(const QString&, QString().vsprintf(format, args)));
204 } else if (!(controller->m_logLevels & level)) {
205 return;
206 }
207 QString message(QString().vsprintf(format, args));
208 if (category == _mLOG_CAT_STATUS()) {
209 QMetaObject::invokeMethod(controller, "statusPosted", Q_ARG(const QString&, message));
210 }
211 QMetaObject::invokeMethod(controller, "postLog", Q_ARG(int, level), Q_ARG(int, category), Q_ARG(const QString&, message));
212 };
213
214 m_threadContext.userData = this;
215
216 connect(&m_rewindTimer, &QTimer::timeout, [this]() {
217 // TODO: Put rewind back
218 emit frameAvailable(m_drawContext);
219 emit rewound(&m_threadContext);
220 });
221 m_rewindTimer.setInterval(100);
222
223 m_audioThread->setObjectName("Audio Thread");
224 m_audioThread->start(QThread::TimeCriticalPriority);
225 m_audioProcessor->moveToThread(m_audioThread);
226 connect(this, SIGNAL(gamePaused(mCoreThread*)), m_audioProcessor, SLOT(pause()));
227 connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(pollEvents()));
228 connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(updateAutofire()));
229}
230
231GameController::~GameController() {
232 m_audioThread->quit();
233 m_audioThread->wait();
234 disconnect();
235 clearMultiplayerController();
236 closeGame();
237 GBACheatDeviceDestroy(&m_cheatDevice);
238 delete m_backupLoadState;
239}
240
241void GameController::setMultiplayerController(MultiplayerController* controller) {
242 if (controller == m_multiplayer) {
243 return;
244 }
245 clearMultiplayerController();
246 m_multiplayer = controller;
247 controller->attachGame(this);
248}
249
250void GameController::clearMultiplayerController() {
251 if (!m_multiplayer) {
252 return;
253 }
254 m_multiplayer->detachGame(this);
255 m_multiplayer = nullptr;
256}
257
258void GameController::setOverride(const GBACartridgeOverride& override) {
259 // TODO: Put back overrides
260}
261
262void GameController::setConfig(const mCoreConfig* config) {
263 m_config = config;
264 if (isLoaded()) {
265 threadInterrupt();
266 mCoreLoadForeignConfig(m_threadContext.core, config);
267 m_audioProcessor->setInput(&m_threadContext);
268 threadContinue();
269 }
270}
271
272#ifdef USE_GDB_STUB
273Debugger* GameController::debugger() {
274 // TODO: Put back debugger
275 return nullptr;
276}
277
278void GameController::setDebugger(Debugger* debugger) {
279 threadInterrupt();
280 // TODO: Put back debugger
281 threadContinue();
282}
283#endif
284
285void GameController::loadGame(const QString& path) {
286 closeGame();
287 QFile file(path);
288 if (!file.open(QIODevice::ReadOnly)) {
289 LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
290 return;
291 }
292 file.close();
293
294 m_fname = path;
295 openGame();
296}
297
298void GameController::bootBIOS() {
299 closeGame();
300 m_fname = QString();
301 openGame(true);
302}
303
304void GameController::openGame(bool biosOnly) {
305 if (biosOnly && (!m_useBios || m_bios.isNull())) {
306 return;
307 }
308
309 if (!biosOnly) {
310 m_threadContext.core = mCoreFind(m_fname.toUtf8().constData());
311 } else {
312 m_threadContext.core = GBACoreCreate();
313 }
314
315 if (!m_threadContext.core) {
316 return;
317 }
318
319 m_gameOpen = true;
320
321 m_pauseAfterFrame = false;
322
323 if (m_turbo) {
324 m_threadContext.sync.videoFrameWait = false;
325 m_threadContext.sync.audioWait = false;
326 } else {
327 m_threadContext.sync.videoFrameWait = m_videoSync;
328 m_threadContext.sync.audioWait = m_audioSync;
329 }
330 m_threadContext.core->init(m_threadContext.core);
331
332 unsigned width, height;
333 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
334 m_drawContext = new uint32_t[width * height];
335 m_frontBuffer = new uint32_t[width * height];
336
337 if (!biosOnly) {
338 mCoreLoadFile(m_threadContext.core, m_fname.toUtf8().constData());
339 }
340
341 m_threadContext.core->setVideoBuffer(m_threadContext.core, m_drawContext, width);
342
343 if (!m_bios.isNull() && m_useBios) {
344 VFile* bios = VFileDevice::open(m_bios, O_RDONLY);
345 if (bios) {
346 // TODO: Lifetime issues?
347 m_threadContext.core->loadBIOS(m_threadContext.core, bios, 0);
348 }
349 }
350
351 if (!m_patch.isNull()) {
352 VFile* patch = VFileDevice::open(m_patch, O_RDONLY);
353 if (patch) {
354 m_threadContext.core->loadPatch(m_threadContext.core, patch);
355 }
356 patch->close(patch);
357 }
358
359 m_inputController->recalibrateAxes();
360 memset(m_drawContext, 0xF8, width * height * 4);
361
362 m_threadContext.core->setAVStream(m_threadContext.core, m_stream);
363
364 if (m_config) {
365 mCoreLoadForeignConfig(m_threadContext.core, m_config);
366 }
367
368 if (!biosOnly) {
369 mCoreAutoloadSave(m_threadContext.core);
370 }
371
372 if (!mCoreThreadStart(&m_threadContext)) {
373 m_gameOpen = false;
374 emit gameFailed();
375 } else if (m_audioProcessor) {
376 startAudio();
377 }
378}
379
380void GameController::loadBIOS(const QString& path) {
381 if (m_bios == path) {
382 return;
383 }
384 m_bios = path;
385 if (m_gameOpen) {
386 closeGame();
387 openGame();
388 }
389}
390
391void GameController::yankPak() {
392 if (!m_gameOpen) {
393 return;
394 }
395 threadInterrupt();
396 GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
397 threadContinue();
398}
399
400void GameController::replaceGame(const QString& path) {
401 if (!m_gameOpen) {
402 return;
403 }
404
405 m_fname = path;
406 threadInterrupt();
407 mCoreLoadFile(m_threadContext.core, m_fname.toLocal8Bit().constData());
408 threadContinue();
409}
410
411void GameController::loadPatch(const QString& path) {
412 if (m_gameOpen) {
413 closeGame();
414 m_patch = path;
415 openGame();
416 } else {
417 m_patch = path;
418 }
419}
420
421void GameController::importSharkport(const QString& path) {
422 if (!isLoaded()) {
423 return;
424 }
425 VFile* vf = VFileDevice::open(path, O_RDONLY);
426 if (!vf) {
427 LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
428 return;
429 }
430 threadInterrupt();
431 GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
432 threadContinue();
433 vf->close(vf);
434}
435
436void GameController::exportSharkport(const QString& path) {
437 if (!isLoaded()) {
438 return;
439 }
440 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
441 if (!vf) {
442 LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
443 return;
444 }
445 threadInterrupt();
446 GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
447 threadContinue();
448 vf->close(vf);
449}
450
451void GameController::closeGame() {
452 if (!m_gameOpen) {
453 return;
454 }
455 m_gameOpen = false;
456
457 m_rewindTimer.stop();
458 if (mCoreThreadIsPaused(&m_threadContext)) {
459 mCoreThreadUnpause(&m_threadContext);
460 }
461 m_audioProcessor->pause();
462 mCoreThreadEnd(&m_threadContext);
463 mCoreThreadJoin(&m_threadContext);
464 // Make sure the event queue clears out before the thread is reused
465 QCoreApplication::processEvents();
466
467 delete[] m_drawContext;
468 delete[] m_frontBuffer;
469
470 m_patch = QString();
471
472 for (size_t i = 0; i < GBACheatSetsSize(&m_cheatDevice.cheats); ++i) {
473 GBACheatSet* set = *GBACheatSetsGetPointer(&m_cheatDevice.cheats, i);
474 GBACheatSetDeinit(set);
475 delete set;
476 }
477 GBACheatSetsClear(&m_cheatDevice.cheats);
478
479 m_threadContext.core->deinit(m_threadContext.core);
480}
481
482void GameController::crashGame(const QString& crashMessage) {
483 closeGame();
484 emit gameCrashed(crashMessage);
485 emit gameStopped(&m_threadContext);
486}
487
488bool GameController::isPaused() {
489 if (!m_gameOpen) {
490 return false;
491 }
492 return mCoreThreadIsPaused(&m_threadContext);
493}
494
495mPlatform GameController::platform() const {
496 if (!m_gameOpen) {
497 return PLATFORM_NONE;
498 }
499 return m_threadContext.core->platform(m_threadContext.core);
500}
501
502QSize GameController::screenDimensions() const {
503 if (!m_gameOpen) {
504 return QSize();
505 }
506 unsigned width, height;
507 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
508
509 return QSize(width, height);
510}
511
512void GameController::setPaused(bool paused) {
513 if (!isLoaded() || m_rewindTimer.isActive() || paused == mCoreThreadIsPaused(&m_threadContext)) {
514 return;
515 }
516 if (paused) {
517 m_pauseAfterFrame.testAndSetRelaxed(false, true);
518 } else {
519 mCoreThreadUnpause(&m_threadContext);
520 startAudio();
521 emit gameUnpaused(&m_threadContext);
522 }
523}
524
525void GameController::reset() {
526 if (!m_gameOpen) {
527 return;
528 }
529 bool wasPaused = isPaused();
530 setPaused(false);
531 mCoreThreadReset(&m_threadContext);
532 if (wasPaused) {
533 setPaused(true);
534 }
535}
536
537void GameController::threadInterrupt() {
538 if (m_gameOpen) {
539 mCoreThreadInterrupt(&m_threadContext);
540 }
541}
542
543void GameController::threadContinue() {
544 if (m_gameOpen) {
545 mCoreThreadContinue(&m_threadContext);
546 }
547}
548
549void GameController::frameAdvance() {
550 if (m_rewindTimer.isActive()) {
551 return;
552 }
553 if (m_pauseAfterFrame.testAndSetRelaxed(false, true)) {
554 setPaused(false);
555 }
556}
557
558void GameController::setRewind(bool enable, int capacity, int interval) {
559 if (m_gameOpen) {
560 threadInterrupt();
561 // TODO: Put back rewind
562 threadContinue();
563 } else {
564 // TODO: Put back rewind
565 }
566}
567
568void GameController::rewind(int states) {
569 threadInterrupt();
570 if (!states) {
571 // TODO: Put back rewind
572 } else {
573 // TODO: Put back rewind
574 }
575 threadContinue();
576 emit frameAvailable(m_drawContext);
577 emit rewound(&m_threadContext);
578}
579
580void GameController::startRewinding() {
581 if (!m_gameOpen || m_rewindTimer.isActive()) {
582 return;
583 }
584 if (m_multiplayer && m_multiplayer->attached() > 1) {
585 return;
586 }
587 m_wasPaused = isPaused();
588 if (!mCoreThreadIsPaused(&m_threadContext)) {
589 mCoreThreadPause(&m_threadContext);
590 }
591 m_rewindTimer.start();
592}
593
594void GameController::stopRewinding() {
595 if (!m_rewindTimer.isActive()) {
596 return;
597 }
598 m_rewindTimer.stop();
599 bool signalsBlocked = blockSignals(true);
600 setPaused(m_wasPaused);
601 blockSignals(signalsBlocked);
602}
603
604void GameController::keyPressed(int key) {
605 int mappedKey = 1 << key;
606 m_activeKeys |= mappedKey;
607 if (!m_inputController->allowOpposing()) {
608 if ((m_activeKeys & 0x30) == 0x30) {
609 m_inactiveKeys |= mappedKey ^ 0x30;
610 m_activeKeys ^= mappedKey ^ 0x30;
611 }
612 if ((m_activeKeys & 0xC0) == 0xC0) {
613 m_inactiveKeys |= mappedKey ^ 0xC0;
614 m_activeKeys ^= mappedKey ^ 0xC0;
615 }
616 }
617 updateKeys();
618}
619
620void GameController::keyReleased(int key) {
621 int mappedKey = 1 << key;
622 m_activeKeys &= ~mappedKey;
623 if (!m_inputController->allowOpposing()) {
624 if (mappedKey & 0x30) {
625 m_activeKeys |= m_inactiveKeys & (0x30 ^ mappedKey);
626 m_inactiveKeys &= ~0x30;
627 }
628 if (mappedKey & 0xC0) {
629 m_activeKeys |= m_inactiveKeys & (0xC0 ^ mappedKey);
630 m_inactiveKeys &= ~0xC0;
631 }
632 }
633 updateKeys();
634}
635
636void GameController::clearKeys() {
637 m_activeKeys = 0;
638 m_inactiveKeys = 0;
639 updateKeys();
640}
641
642void GameController::setAutofire(int key, bool enable) {
643 if (key >= GBA_KEY_MAX || key < 0) {
644 return;
645 }
646 m_autofire[key] = enable;
647 m_autofireStatus[key] = 0;
648}
649
650void GameController::setAudioBufferSamples(int samples) {
651 if (m_audioProcessor) {
652 threadInterrupt();
653 redoSamples(samples);
654 threadContinue();
655 QMetaObject::invokeMethod(m_audioProcessor, "setBufferSamples", Qt::BlockingQueuedConnection, Q_ARG(int, samples));
656 }
657}
658
659void GameController::setAudioSampleRate(unsigned rate) {
660 if (!rate) {
661 return;
662 }
663 if (m_audioProcessor) {
664 threadInterrupt();
665 redoSamples(m_audioProcessor->getBufferSamples());
666 threadContinue();
667 QMetaObject::invokeMethod(m_audioProcessor, "requestSampleRate", Q_ARG(unsigned, rate));
668 }
669}
670
671void GameController::setAudioChannelEnabled(int channel, bool enable) {
672 if (channel > 5 || channel < 0) {
673 return;
674 }
675#ifdef M_CORE_GBA
676 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
677#endif
678#ifdef M_CORE_GB
679 GB* gb = static_cast<GB*>(m_threadContext.core->board);
680#endif
681 m_audioChannels[channel] = enable;
682 if (isLoaded()) {
683 switch (channel) {
684 case 0:
685 case 1:
686 case 2:
687 case 3:
688 switch (m_threadContext.core->platform(m_threadContext.core)) {
689#ifdef M_CORE_GBA
690 case PLATFORM_GBA:
691 gba->audio.psg.forceDisableCh[channel] = !enable;
692 break;
693#endif
694#ifdef M_CORE_GB
695 case PLATFORM_GB:
696 gb->audio.forceDisableCh[channel] = !enable;
697 break;
698#endif
699 default:
700 break;
701 }
702 break;
703#ifdef M_CORE_GBA
704 case 4:
705 if (m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
706 gba->audio.forceDisableChA = !enable;
707 }
708 break;
709 case 5:
710 if (m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
711 gba->audio.forceDisableChB = !enable;
712 }
713 break;
714#endif
715 }
716 }
717}
718
719void GameController::startAudio() {
720 bool started = false;
721 QMetaObject::invokeMethod(m_audioProcessor, "start", Qt::BlockingQueuedConnection, Q_RETURN_ARG(bool, started));
722 if (!started) {
723 LOG(QT, ERROR) << tr("Failed to start audio processor");
724 // Don't freeze!
725 m_audioSync = false;
726 m_videoSync = true;
727 m_threadContext.sync.audioWait = false;
728 m_threadContext.sync.videoFrameWait = true;
729 }
730}
731
732void GameController::setVideoLayerEnabled(int layer, bool enable) {
733 if (layer > 4 || layer < 0) {
734 return;
735 }
736 m_videoLayers[layer] = enable;
737 if (isLoaded() && m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
738 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
739 switch (layer) {
740 case 0:
741 case 1:
742 case 2:
743 case 3:
744 gba->video.renderer->disableBG[layer] = !enable;
745 break;
746 case 4:
747 gba->video.renderer->disableOBJ = !enable;
748 break;
749 }
750 }
751}
752
753void GameController::setFPSTarget(float fps) {
754 threadInterrupt();
755 m_fpsTarget = fps;
756 m_threadContext.sync.fpsTarget = fps;
757 if (m_turbo && m_turboSpeed > 0) {
758 m_threadContext.sync.fpsTarget *= m_turboSpeed;
759 }
760 if (m_audioProcessor) {
761 redoSamples(m_audioProcessor->getBufferSamples());
762 }
763 threadContinue();
764}
765
766void GameController::setUseBIOS(bool use) {
767 if (use == m_useBios) {
768 return;
769 }
770 m_useBios = use;
771 if (m_gameOpen) {
772 closeGame();
773 openGame();
774 }
775}
776
777void GameController::loadState(int slot) {
778 if (m_fname.isEmpty()) {
779 // We're in the BIOS
780 return;
781 }
782 if (slot > 0 && slot != m_stateSlot) {
783 m_stateSlot = slot;
784 m_backupSaveState.clear();
785 }
786 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
787 GameController* controller = static_cast<GameController*>(context->userData);
788 if (!controller->m_backupLoadState) {
789 controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
790 }
791 context->core->saveState(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
792 if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
793 controller->frameAvailable(controller->m_drawContext);
794 controller->stateLoaded(context);
795 }
796 });
797}
798
799void GameController::saveState(int slot) {
800 if (m_fname.isEmpty()) {
801 // We're in the BIOS
802 return;
803 }
804 if (slot > 0) {
805 m_stateSlot = slot;
806 }
807 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
808 GameController* controller = static_cast<GameController*>(context->userData);
809 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, false);
810 if (vf) {
811 controller->m_backupSaveState.resize(vf->size(vf));
812 vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
813 vf->close(vf);
814 }
815 mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
816 });
817}
818
819void GameController::loadBackupState() {
820 if (!m_backupLoadState) {
821 return;
822 }
823
824 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
825 GameController* controller = static_cast<GameController*>(context->userData);
826 controller->m_backupLoadState->seek(controller->m_backupLoadState, 0, SEEK_SET);
827 if (context->core->loadState(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
828 mLOG(STATUS, INFO, "Undid state load");
829 controller->frameAvailable(controller->m_drawContext);
830 controller->stateLoaded(context);
831 }
832 controller->m_backupLoadState->close(controller->m_backupLoadState);
833 controller->m_backupLoadState = nullptr;
834 });
835}
836
837void GameController::saveBackupState() {
838 if (m_backupSaveState.isEmpty()) {
839 return;
840 }
841
842 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
843 GameController* controller = static_cast<GameController*>(context->userData);
844 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, true);
845 if (vf) {
846 vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
847 vf->close(vf);
848 mLOG(STATUS, INFO, "Undid state save");
849 }
850 controller->m_backupSaveState.clear();
851 });
852}
853
854void GameController::setTurbo(bool set, bool forced) {
855 if (m_turboForced && !forced) {
856 return;
857 }
858 if (m_turbo == set && m_turboForced == forced) {
859 // Don't interrupt the thread if we don't need to
860 return;
861 }
862 m_turbo = set;
863 m_turboForced = set && forced;
864 enableTurbo();
865}
866
867void GameController::setTurboSpeed(float ratio) {
868 m_turboSpeed = ratio;
869 enableTurbo();
870}
871
872void GameController::enableTurbo() {
873 threadInterrupt();
874 if (!m_turbo) {
875 m_threadContext.sync.fpsTarget = m_fpsTarget;
876 m_threadContext.sync.audioWait = m_audioSync;
877 m_threadContext.sync.videoFrameWait = m_videoSync;
878 } else if (m_turboSpeed <= 0) {
879 m_threadContext.sync.fpsTarget = m_fpsTarget;
880 m_threadContext.sync.audioWait = false;
881 m_threadContext.sync.videoFrameWait = false;
882 } else {
883 m_threadContext.sync.fpsTarget = m_fpsTarget * m_turboSpeed;
884 m_threadContext.sync.audioWait = true;
885 m_threadContext.sync.videoFrameWait = false;
886 }
887 if (m_audioProcessor) {
888 redoSamples(m_audioProcessor->getBufferSamples());
889 }
890 threadContinue();
891}
892
893void GameController::setAVStream(mAVStream* stream) {
894 threadInterrupt();
895 m_stream = stream;
896 if (isLoaded()) {
897 m_threadContext.core->setAVStream(m_threadContext.core, stream);
898 }
899 threadContinue();
900}
901
902void GameController::clearAVStream() {
903 threadInterrupt();
904 m_stream = nullptr;
905 if (isLoaded()) {
906 m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
907 }
908 threadContinue();
909}
910
911#ifdef USE_PNG
912void GameController::screenshot() {
913 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
914 mCoreTakeScreenshot(context->core);
915 });
916}
917#endif
918
919void GameController::reloadAudioDriver() {
920 int samples = 0;
921 unsigned sampleRate = 0;
922 if (m_audioProcessor) {
923 QMetaObject::invokeMethod(m_audioProcessor, "pause", Qt::BlockingQueuedConnection);
924 samples = m_audioProcessor->getBufferSamples();
925 sampleRate = m_audioProcessor->sampleRate();
926 delete m_audioProcessor;
927 }
928 m_audioProcessor = AudioProcessor::create();
929 if (samples) {
930 m_audioProcessor->setBufferSamples(samples);
931 }
932 if (sampleRate) {
933 m_audioProcessor->requestSampleRate(sampleRate);
934 }
935 m_audioProcessor->moveToThread(m_audioThread);
936 connect(this, SIGNAL(gamePaused(mCoreThread*)), m_audioProcessor, SLOT(pause()));
937 if (isLoaded()) {
938 m_audioProcessor->setInput(&m_threadContext);
939 startAudio();
940 }
941}
942
943void GameController::setSaveStateExtdata(int flags) {
944 m_saveStateFlags = flags;
945}
946
947void GameController::setLoadStateExtdata(int flags) {
948 m_loadStateFlags = flags;
949}
950
951void GameController::setLuminanceValue(uint8_t value) {
952 m_luxValue = value;
953 value = std::max<int>(value - 0x16, 0);
954 m_luxLevel = 10;
955 for (int i = 0; i < 10; ++i) {
956 if (value < GBA_LUX_LEVELS[i]) {
957 m_luxLevel = i;
958 break;
959 }
960 }
961 emit luminanceValueChanged(m_luxValue);
962}
963
964void GameController::setLuminanceLevel(int level) {
965 int value = 0x16;
966 level = std::max(0, std::min(10, level));
967 if (level > 0) {
968 value += GBA_LUX_LEVELS[level - 1];
969 }
970 setLuminanceValue(value);
971}
972
973void GameController::setRealTime() {
974 m_rtc.override = RTC_NO_OVERRIDE;
975}
976
977void GameController::setFixedTime(const QDateTime& time) {
978 m_rtc.override = RTC_FIXED;
979 m_rtc.value = time.toMSecsSinceEpoch() / 1000;
980}
981
982void GameController::setFakeEpoch(const QDateTime& time) {
983 m_rtc.override = RTC_FAKE_EPOCH;
984 m_rtc.value = time.toMSecsSinceEpoch() / 1000;
985}
986
987void GameController::updateKeys() {
988 int activeKeys = m_activeKeys;
989 activeKeys |= m_activeButtons;
990 activeKeys &= ~m_inactiveKeys;
991 if (isLoaded()) {
992 m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
993 }
994}
995
996void GameController::redoSamples(int samples) {
997 if (m_threadContext.core) {
998 m_threadContext.core->setAudioBufferSize(m_threadContext.core, samples);
999 }
1000 QMetaObject::invokeMethod(m_audioProcessor, "inputParametersChanged");
1001}
1002
1003void GameController::setLogLevel(int levels) {
1004 threadInterrupt();
1005 m_logLevels = levels;
1006 threadContinue();
1007}
1008
1009void GameController::enableLogLevel(int levels) {
1010 threadInterrupt();
1011 m_logLevels |= levels;
1012 threadContinue();
1013}
1014
1015void GameController::disableLogLevel(int levels) {
1016 threadInterrupt();
1017 m_logLevels &= ~levels;
1018 threadContinue();
1019}
1020
1021void GameController::pollEvents() {
1022 if (!m_inputController) {
1023 return;
1024 }
1025
1026 m_activeButtons = m_inputController->pollEvents();
1027 updateKeys();
1028}
1029
1030void GameController::updateAutofire() {
1031 // TODO: Move all key events onto the CPU thread...somehow
1032 for (int k = 0; k < GBA_KEY_MAX; ++k) {
1033 if (!m_autofire[k]) {
1034 continue;
1035 }
1036 m_autofireStatus[k] ^= 1;
1037 if (m_autofireStatus[k]) {
1038 keyPressed(k);
1039 } else {
1040 keyReleased(k);
1041 }
1042 }
1043}