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/extra/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_useBios(false)
49 , m_audioThread(new QThread(this))
50 , m_audioProcessor(AudioProcessor::create())
51 , m_pauseAfterFrame(false)
52 , m_videoSync(VIDEO_SYNC)
53 , m_audioSync(AUDIO_SYNC)
54 , m_fpsTarget(-1)
55 , m_turbo(false)
56 , m_turboForced(false)
57 , m_turboSpeed(-1)
58 , m_wasPaused(false)
59 , m_audioChannels{ true, true, true, true, true, true }
60 , m_videoLayers{ true, true, true, true, true }
61 , m_autofire{}
62 , m_autofireStatus{}
63 , m_inputController(nullptr)
64 , m_multiplayer(nullptr)
65 , m_stream(nullptr)
66 , m_stateSlot(1)
67 , m_backupLoadState(nullptr)
68 , m_backupSaveState(nullptr)
69 , m_saveStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_CHEATS)
70 , m_loadStateFlags(SAVESTATE_SCREENSHOT)
71{
72 m_lux.p = this;
73 m_lux.sample = [](GBALuminanceSource* context) {
74 GameControllerLux* lux = static_cast<GameControllerLux*>(context);
75 lux->value = 0xFF - lux->p->m_luxValue;
76 };
77
78 m_lux.readLuminance = [](GBALuminanceSource* context) {
79 GameControllerLux* lux = static_cast<GameControllerLux*>(context);
80 return lux->value;
81 };
82 setLuminanceLevel(0);
83
84 m_threadContext.startCallback = [](mCoreThread* context) {
85 GameController* controller = static_cast<GameController*>(context->userData);
86 if (controller->m_audioProcessor) {
87 controller->m_audioProcessor->setInput(context);
88 }
89 mRTCGenericSourceInit(&controller->m_rtc, context->core);
90 context->core->setRTC(context->core, &controller->m_rtc.d);
91 context->core->setRotation(context->core, controller->m_inputController->rotationSource());
92 context->core->setRumble(context->core, controller->m_inputController->rumble());
93
94#ifdef M_CORE_GBA
95 GBA* gba = static_cast<GBA*>(context->core->board);
96#endif
97#ifdef M_CORE_GB
98 GB* gb = static_cast<GB*>(context->core->board);
99#endif
100 switch (context->core->platform(context->core)) {
101#ifdef M_CORE_GBA
102 case PLATFORM_GBA:
103 gba->luminanceSource = &controller->m_lux;
104 gba->audio.psg.forceDisableCh[0] = !controller->m_audioChannels[0];
105 gba->audio.psg.forceDisableCh[1] = !controller->m_audioChannels[1];
106 gba->audio.psg.forceDisableCh[2] = !controller->m_audioChannels[2];
107 gba->audio.psg.forceDisableCh[3] = !controller->m_audioChannels[3];
108 gba->audio.forceDisableChA = !controller->m_audioChannels[4];
109 gba->audio.forceDisableChB = !controller->m_audioChannels[5];
110 gba->video.renderer->disableBG[0] = !controller->m_videoLayers[0];
111 gba->video.renderer->disableBG[1] = !controller->m_videoLayers[1];
112 gba->video.renderer->disableBG[2] = !controller->m_videoLayers[2];
113 gba->video.renderer->disableBG[3] = !controller->m_videoLayers[3];
114 gba->video.renderer->disableOBJ = !controller->m_videoLayers[4];
115 break;
116#endif
117#ifdef M_CORE_GB
118 case PLATFORM_GB:
119 gb->audio.forceDisableCh[0] = !controller->m_audioChannels[0];
120 gb->audio.forceDisableCh[1] = !controller->m_audioChannels[1];
121 gb->audio.forceDisableCh[2] = !controller->m_audioChannels[2];
122 gb->audio.forceDisableCh[3] = !controller->m_audioChannels[3];
123 break;
124#endif
125 default:
126 break;
127 }
128 controller->m_fpsTarget = context->sync.fpsTarget;
129
130 if (mCoreLoadState(context->core, 0, controller->m_loadStateFlags)) {
131 mCoreDeleteState(context->core, 0);
132 }
133 QMetaObject::invokeMethod(controller, "gameStarted", Q_ARG(mCoreThread*, context), Q_ARG(const QString&, controller->m_fname));
134 };
135
136 m_threadContext.cleanCallback = [](mCoreThread* context) {
137 GameController* controller = static_cast<GameController*>(context->userData);
138 QMetaObject::invokeMethod(controller, "gameStopped", Q_ARG(mCoreThread*, context));
139 };
140
141 m_threadContext.frameCallback = [](mCoreThread* context) {
142 GameController* controller = static_cast<GameController*>(context->userData);
143 unsigned width, height;
144 controller->m_threadContext.core->desiredVideoDimensions(controller->m_threadContext.core, &width, &height);
145 memcpy(controller->m_frontBuffer, controller->m_drawContext, width * height * BYTES_PER_PIXEL);
146 QMetaObject::invokeMethod(controller, "frameAvailable", Q_ARG(const uint32_t*, controller->m_frontBuffer));
147 if (controller->m_pauseAfterFrame.testAndSetAcquire(true, false)) {
148 mCoreThreadPauseFromThread(context);
149 QMetaObject::invokeMethod(controller, "gamePaused", Q_ARG(mCoreThread*, context));
150 }
151 };
152
153 /*m_threadContext.stopCallback = [](mCoreThread* context) {
154 if (!context) {
155 return false;
156 }
157 GameController* controller = static_cast<GameController*>(context->userData);
158 if (!mCoreSaveState(context->core, 0, controller->m_saveStateFlags)) {
159 return false;
160 }
161 QMetaObject::invokeMethod(controller, "closeGame");
162 return true;
163 };*/
164
165 m_threadContext.logger.d.log = [](mLogger* logger, int category, enum mLogLevel level, const char* format, va_list args) {
166 mThreadLogger* logContext = reinterpret_cast<mThreadLogger*>(logger);
167 mCoreThread* context = logContext->p;
168
169 static const char* savestateMessage = "State %i loaded";
170 static const char* savestateFailedMessage = "State %i failed to load";
171 if (!context) {
172 return;
173 }
174 GameController* controller = static_cast<GameController*>(context->userData);
175 if (level == mLOG_STUB && category == _mLOG_CAT_GBA_BIOS()) {
176 va_list argc;
177 va_copy(argc, args);
178 int immediate = va_arg(argc, int);
179 va_end(argc);
180 QMetaObject::invokeMethod(controller, "unimplementedBiosCall", Q_ARG(int, immediate));
181 } else if (category == _mLOG_CAT_STATUS()) {
182 // Slot 0 is reserved for suspend points
183 if (strncmp(savestateMessage, format, strlen(savestateMessage)) == 0) {
184 va_list argc;
185 va_copy(argc, args);
186 int slot = va_arg(argc, int);
187 va_end(argc);
188 if (slot == 0) {
189 format = "Loaded suspend state";
190 }
191 } else if (strncmp(savestateFailedMessage, format, strlen(savestateFailedMessage)) == 0) {
192 va_list argc;
193 va_copy(argc, args);
194 int slot = va_arg(argc, int);
195 va_end(argc);
196 if (slot == 0) {
197 return;
198 }
199 }
200 }
201 if (level == mLOG_FATAL) {
202 QMetaObject::invokeMethod(controller, "crashGame", Q_ARG(const QString&, QString().vsprintf(format, args)));
203 } else if (!(controller->m_logLevels & level)) {
204 return;
205 }
206 QString message(QString().vsprintf(format, args));
207 if (category == _mLOG_CAT_STATUS()) {
208 QMetaObject::invokeMethod(controller, "statusPosted", Q_ARG(const QString&, message));
209 }
210 QMetaObject::invokeMethod(controller, "postLog", Q_ARG(int, level), Q_ARG(int, category), Q_ARG(const QString&, message));
211 };
212
213 m_threadContext.userData = this;
214
215 connect(&m_rewindTimer, &QTimer::timeout, [this]() {
216 // TODO: Put rewind back
217 emit frameAvailable(m_drawContext);
218 emit rewound(&m_threadContext);
219 });
220 m_rewindTimer.setInterval(100);
221
222 m_audioThread->setObjectName("Audio Thread");
223 m_audioThread->start(QThread::TimeCriticalPriority);
224 m_audioProcessor->moveToThread(m_audioThread);
225 connect(this, SIGNAL(gamePaused(mCoreThread*)), m_audioProcessor, SLOT(pause()));
226 connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(pollEvents()));
227 connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(updateAutofire()));
228}
229
230GameController::~GameController() {
231 m_audioThread->quit();
232 m_audioThread->wait();
233 disconnect();
234 clearMultiplayerController();
235 closeGame();
236 delete m_backupLoadState;
237}
238
239void GameController::setMultiplayerController(MultiplayerController* controller) {
240 if (controller == m_multiplayer) {
241 return;
242 }
243 clearMultiplayerController();
244 m_multiplayer = controller;
245 controller->attachGame(this);
246}
247
248void GameController::clearMultiplayerController() {
249 if (!m_multiplayer) {
250 return;
251 }
252 m_multiplayer->detachGame(this);
253 m_multiplayer = nullptr;
254}
255
256void GameController::setOverride(const GBACartridgeOverride& override) {
257 // TODO: Put back overrides
258}
259
260void GameController::setConfig(const mCoreConfig* config) {
261 m_config = config;
262 if (isLoaded()) {
263 threadInterrupt();
264 mCoreLoadForeignConfig(m_threadContext.core, config);
265 m_audioProcessor->setInput(&m_threadContext);
266 threadContinue();
267 }
268}
269
270#ifdef USE_GDB_STUB
271mDebugger* GameController::debugger() {
272 if (!isLoaded()) {
273 return nullptr;
274 }
275 return m_threadContext.core->debugger;
276}
277
278void GameController::setDebugger(mDebugger* debugger) {
279 threadInterrupt();
280 if (debugger) {
281 mDebuggerAttach(debugger, m_threadContext.core);
282 } else {
283 m_threadContext.core->detachDebugger(m_threadContext.core);
284 }
285 threadContinue();
286}
287#endif
288
289void GameController::loadGame(const QString& path) {
290 closeGame();
291 QFileInfo info(path);
292 if (!info.isReadable()) {
293 LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
294 return;
295 }
296 m_fname = info.canonicalFilePath();
297 openGame();
298}
299
300void GameController::bootBIOS() {
301 closeGame();
302 m_fname = QString();
303 openGame(true);
304}
305
306void GameController::openGame(bool biosOnly) {
307 if (biosOnly && (!m_useBios || m_bios.isNull())) {
308 return;
309 }
310
311 if (!biosOnly) {
312 m_threadContext.core = mCoreFind(m_fname.toUtf8().constData());
313 } else {
314 m_threadContext.core = GBACoreCreate();
315 }
316
317 if (!m_threadContext.core) {
318 return;
319 }
320
321 m_gameOpen = true;
322
323 m_pauseAfterFrame = false;
324
325 if (m_turbo) {
326 m_threadContext.sync.videoFrameWait = false;
327 m_threadContext.sync.audioWait = false;
328 } else {
329 m_threadContext.sync.videoFrameWait = m_videoSync;
330 m_threadContext.sync.audioWait = m_audioSync;
331 }
332 m_threadContext.core->init(m_threadContext.core);
333
334 unsigned width, height;
335 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
336 m_drawContext = new uint32_t[width * height];
337 m_frontBuffer = new uint32_t[width * height];
338
339 if (!biosOnly) {
340 mCoreLoadFile(m_threadContext.core, m_fname.toUtf8().constData());
341 }
342
343 m_threadContext.core->setVideoBuffer(m_threadContext.core, m_drawContext, width);
344
345 if (!m_bios.isNull() && m_useBios) {
346 VFile* bios = VFileDevice::open(m_bios, O_RDONLY);
347 if (bios) {
348 // TODO: Lifetime issues?
349 m_threadContext.core->loadBIOS(m_threadContext.core, bios, 0);
350 }
351 }
352
353 if (!m_patch.isNull()) {
354 VFile* patch = VFileDevice::open(m_patch, O_RDONLY);
355 if (patch) {
356 m_threadContext.core->loadPatch(m_threadContext.core, patch);
357 }
358 patch->close(patch);
359 }
360
361 m_inputController->recalibrateAxes();
362 memset(m_drawContext, 0xF8, width * height * 4);
363
364 m_threadContext.core->setAVStream(m_threadContext.core, m_stream);
365
366 if (m_config) {
367 mCoreLoadForeignConfig(m_threadContext.core, m_config);
368 }
369
370 if (!biosOnly) {
371 mCoreAutoloadSave(m_threadContext.core);
372 }
373
374 if (!mCoreThreadStart(&m_threadContext)) {
375 m_gameOpen = false;
376 emit gameFailed();
377 } else if (m_audioProcessor) {
378 startAudio();
379 }
380}
381
382void GameController::loadBIOS(const QString& path) {
383 if (m_bios == path) {
384 return;
385 }
386 m_bios = path;
387 if (m_gameOpen) {
388 closeGame();
389 openGame();
390 }
391}
392
393void GameController::yankPak() {
394 if (!m_gameOpen) {
395 return;
396 }
397 threadInterrupt();
398 GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
399 threadContinue();
400}
401
402void GameController::replaceGame(const QString& path) {
403 if (!m_gameOpen) {
404 return;
405 }
406
407 QFileInfo info(path);
408 if (!info.isReadable()) {
409 LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
410 return;
411 }
412 m_fname = info.canonicalFilePath();
413 threadInterrupt();
414 mCoreLoadFile(m_threadContext.core, m_fname.toLocal8Bit().constData());
415 threadContinue();
416}
417
418void GameController::loadPatch(const QString& path) {
419 if (m_gameOpen) {
420 closeGame();
421 m_patch = path;
422 openGame();
423 } else {
424 m_patch = path;
425 }
426}
427
428void GameController::importSharkport(const QString& path) {
429 if (!isLoaded()) {
430 return;
431 }
432 VFile* vf = VFileDevice::open(path, O_RDONLY);
433 if (!vf) {
434 LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
435 return;
436 }
437 threadInterrupt();
438 GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
439 threadContinue();
440 vf->close(vf);
441}
442
443void GameController::exportSharkport(const QString& path) {
444 if (!isLoaded()) {
445 return;
446 }
447 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
448 if (!vf) {
449 LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
450 return;
451 }
452 threadInterrupt();
453 GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
454 threadContinue();
455 vf->close(vf);
456}
457
458void GameController::closeGame() {
459 if (!m_gameOpen) {
460 return;
461 }
462 m_gameOpen = false;
463
464 m_rewindTimer.stop();
465 if (mCoreThreadIsPaused(&m_threadContext)) {
466 mCoreThreadUnpause(&m_threadContext);
467 }
468 m_audioProcessor->pause();
469 mCoreThreadEnd(&m_threadContext);
470 mCoreThreadJoin(&m_threadContext);
471 // Make sure the event queue clears out before the thread is reused
472 QCoreApplication::processEvents();
473
474 delete[] m_drawContext;
475 delete[] m_frontBuffer;
476
477 m_patch = QString();
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}