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 "MultiplayerController.h"
11#include "VFileDevice.h"
12
13#include <QDateTime>
14#include <QThread>
15
16#include <ctime>
17
18extern "C" {
19#include "gba/audio.h"
20#include "gba/gba.h"
21#include "gba/serialize.h"
22#include "gba/sharkport.h"
23#include "gba/renderers/video-software.h"
24#include "gba/supervisor/config.h"
25#include "util/vfs.h"
26}
27
28using namespace QGBA;
29using namespace std;
30
31const int GameController::LUX_LEVELS[10] = { 5, 11, 18, 27, 42, 62, 84, 109, 139, 183 };
32
33GameController::GameController(QObject* parent)
34 : QObject(parent)
35 , m_drawContext(new uint32_t[256 * 256])
36 , m_threadContext()
37 , m_activeKeys(0)
38 , m_inactiveKeys(0)
39 , m_logLevels(0)
40 , m_gameOpen(false)
41 , m_audioThread(new QThread(this))
42 , m_audioProcessor(AudioProcessor::create())
43 , m_pauseAfterFrame(false)
44 , m_videoSync(VIDEO_SYNC)
45 , m_audioSync(AUDIO_SYNC)
46 , m_fpsTarget(-1)
47 , m_turbo(false)
48 , m_turboForced(false)
49 , m_turboSpeed(-1)
50 , m_wasPaused(false)
51 , m_inputController(nullptr)
52 , m_multiplayer(nullptr)
53 , m_stateSlot(1)
54{
55 m_renderer = new GBAVideoSoftwareRenderer;
56 GBAVideoSoftwareRendererCreate(m_renderer);
57 m_renderer->outputBuffer = (color_t*) m_drawContext;
58 m_renderer->outputBufferStride = 256;
59
60 GBACheatDeviceCreate(&m_cheatDevice);
61
62 m_threadContext.state = THREAD_INITIALIZED;
63 m_threadContext.debugger = 0;
64 m_threadContext.frameskip = 0;
65 m_threadContext.bios = 0;
66 m_threadContext.renderer = &m_renderer->d;
67 m_threadContext.userData = this;
68 m_threadContext.rewindBufferCapacity = 0;
69 m_threadContext.cheats = &m_cheatDevice;
70 m_threadContext.logLevel = GBA_LOG_ALL;
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_rtc.p = this;
85 m_rtc.override = GameControllerRTC::NO_OVERRIDE;
86 m_rtc.sample = [] (GBARTCSource* context) { };
87 m_rtc.unixTime = [] (GBARTCSource* context) -> time_t {
88 GameControllerRTC* rtc = static_cast<GameControllerRTC*>(context);
89 switch (rtc->override) {
90 case GameControllerRTC::NO_OVERRIDE:
91 default:
92 return time(nullptr);
93 case GameControllerRTC::FIXED:
94 return rtc->value;
95 case GameControllerRTC::FAKE_EPOCH:
96 return rtc->value + rtc->p->m_threadContext.gba->video.frameCounter * (int64_t) VIDEO_TOTAL_LENGTH / GBA_ARM7TDMI_FREQUENCY;
97 }
98 };
99
100 m_threadContext.startCallback = [] (GBAThread* context) {
101 GameController* controller = static_cast<GameController*>(context->userData);
102 controller->m_audioProcessor->setInput(context);
103 context->gba->luminanceSource = &controller->m_lux;
104 context->gba->rtcSource = &controller->m_rtc;
105 context->gba->rumble = controller->m_inputController->rumble();
106 context->gba->rotationSource = controller->m_inputController->rotationSource();
107 controller->m_fpsTarget = context->fpsTarget;
108 controller->gameStarted(context);
109 };
110
111 m_threadContext.cleanCallback = [] (GBAThread* context) {
112 GameController* controller = static_cast<GameController*>(context->userData);
113 controller->gameStopped(context);
114 };
115
116 m_threadContext.frameCallback = [] (GBAThread* context) {
117 GameController* controller = static_cast<GameController*>(context->userData);
118 if (controller->m_pauseAfterFrame.testAndSetAcquire(true, false)) {
119 GBAThreadPauseFromThread(context);
120 controller->gamePaused(&controller->m_threadContext);
121 }
122 if (GBASyncDrawingFrame(&controller->m_threadContext.sync)) {
123 controller->frameAvailable(controller->m_drawContext);
124 } else {
125 controller->frameAvailable(nullptr);
126 }
127 };
128
129 m_threadContext.logHandler = [] (GBAThread* context, enum GBALogLevel level, const char* format, va_list args) {
130 static const char* stubMessage = "Stub software interrupt";
131 if (!context) {
132 return;
133 }
134 GameController* controller = static_cast<GameController*>(context->userData);
135 if (level == GBA_LOG_STUB && strncmp(stubMessage, format, strlen(stubMessage)) == 0) {
136 va_list argc;
137 va_copy(argc, args);
138 int immediate = va_arg(argc, int);
139 controller->unimplementedBiosCall(immediate);
140 }
141 if (level == GBA_LOG_FATAL) {
142 QMetaObject::invokeMethod(controller, "crashGame", Q_ARG(const QString&, QString().vsprintf(format, args)));
143 } else if (!(controller->m_logLevels & level)) {
144 return;
145 }
146 QString message(QString().vsprintf(format, args));
147 if (level == GBA_LOG_STATUS) {
148 controller->statusPosted(message);
149 }
150 controller->postLog(level, message);
151 };
152
153 connect(&m_rewindTimer, &QTimer::timeout, [this]() {
154 GBARewind(&m_threadContext, 1);
155 emit rewound(&m_threadContext);
156 emit frameAvailable(m_drawContext);
157 });
158 m_rewindTimer.setInterval(100);
159
160 m_audioThread->start(QThread::TimeCriticalPriority);
161 m_audioProcessor->moveToThread(m_audioThread);
162 connect(this, SIGNAL(gameStarted(GBAThread*)), m_audioProcessor, SLOT(start()));
163 connect(this, SIGNAL(gameStopped(GBAThread*)), m_audioProcessor, SLOT(pause()));
164 connect(this, SIGNAL(gamePaused(GBAThread*)), m_audioProcessor, SLOT(pause()));
165 connect(this, SIGNAL(gameUnpaused(GBAThread*)), m_audioProcessor, SLOT(start()));
166 connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(pollEvents()));
167}
168
169GameController::~GameController() {
170 m_audioThread->quit();
171 m_audioThread->wait();
172 disconnect();
173 clearMultiplayerController();
174 closeGame();
175 GBACheatDeviceDestroy(&m_cheatDevice);
176 delete m_renderer;
177 delete[] m_drawContext;
178}
179
180void GameController::setMultiplayerController(MultiplayerController* controller) {
181 if (controller == m_multiplayer) {
182 return;
183 }
184 clearMultiplayerController();
185 m_multiplayer = controller;
186 controller->attachGame(this);
187}
188
189void GameController::clearMultiplayerController() {
190 if (!m_multiplayer) {
191 return;
192 }
193 m_multiplayer->detachGame(this);
194 m_multiplayer = nullptr;
195}
196
197void GameController::setOverride(const GBACartridgeOverride& override) {
198 m_threadContext.override = override;
199 m_threadContext.hasOverride = true;
200}
201
202void GameController::setOptions(const GBAOptions* opts) {
203 setFrameskip(opts->frameskip);
204 setAudioSync(opts->audioSync);
205 setVideoSync(opts->videoSync);
206 setSkipBIOS(opts->skipBios);
207 setUseBIOS(opts->useBios);
208 setRewind(opts->rewindEnable, opts->rewindBufferCapacity, opts->rewindBufferInterval);
209 setVolume(opts->volume);
210 setMute(opts->mute);
211
212 threadInterrupt();
213 m_threadContext.idleOptimization = opts->idleOptimization;
214 threadContinue();
215}
216
217#ifdef USE_GDB_STUB
218ARMDebugger* GameController::debugger() {
219 return m_threadContext.debugger;
220}
221
222void GameController::setDebugger(ARMDebugger* debugger) {
223 threadInterrupt();
224 if (m_threadContext.debugger && GBAThreadIsActive(&m_threadContext)) {
225 GBADetachDebugger(m_threadContext.gba);
226 }
227 m_threadContext.debugger = debugger;
228 if (m_threadContext.debugger && GBAThreadIsActive(&m_threadContext)) {
229 GBAAttachDebugger(m_threadContext.gba, m_threadContext.debugger);
230 }
231 threadContinue();
232}
233#endif
234
235void GameController::loadGame(const QString& path, bool dirmode) {
236 closeGame();
237 if (!dirmode) {
238 QFile file(path);
239 if (!file.open(QIODevice::ReadOnly)) {
240 return;
241 }
242 file.close();
243 }
244
245 m_fname = path;
246 m_dirmode = dirmode;
247 openGame();
248}
249
250void GameController::openGame() {
251 m_gameOpen = true;
252
253 m_pauseAfterFrame = false;
254
255 if (m_turbo) {
256 m_threadContext.sync.videoFrameWait = false;
257 m_threadContext.sync.audioWait = false;
258 } else {
259 m_threadContext.sync.videoFrameWait = m_videoSync;
260 m_threadContext.sync.audioWait = m_audioSync;
261 }
262
263 m_threadContext.gameDir = 0;
264 m_threadContext.fname = strdup(m_fname.toLocal8Bit().constData());
265 if (m_dirmode) {
266 m_threadContext.gameDir = VDirOpen(m_threadContext.fname);
267 m_threadContext.stateDir = m_threadContext.gameDir;
268 } else {
269 m_threadContext.rom = VFileOpen(m_threadContext.fname, O_RDONLY);
270#if USE_LIBZIP
271 if (!m_threadContext.gameDir) {
272 m_threadContext.gameDir = VDirOpenZip(m_threadContext.fname, 0);
273 }
274#endif
275#if USE_LZMA
276 if (!m_threadContext.gameDir) {
277 m_threadContext.gameDir = VDirOpen7z(m_threadContext.fname, 0);
278 }
279#endif
280 }
281
282 if (!m_bios.isNull() &&m_useBios) {
283 m_threadContext.bios = VFileDevice::open(m_bios, O_RDONLY);
284 } else {
285 m_threadContext.bios = nullptr;
286 }
287
288 if (!m_patch.isNull()) {
289 m_threadContext.patch = VFileDevice::open(m_patch, O_RDONLY);
290 }
291
292 m_inputController->recalibrateAxes();
293
294 if (!GBAThreadStart(&m_threadContext)) {
295 m_gameOpen = false;
296 emit gameFailed();
297 }
298}
299
300void GameController::loadBIOS(const QString& path) {
301 if (m_bios == path) {
302 return;
303 }
304 m_bios = path;
305 if (m_gameOpen) {
306 closeGame();
307 openGame();
308 }
309}
310
311void GameController::loadPatch(const QString& path) {
312 if (m_gameOpen) {
313 closeGame();
314 m_patch = path;
315 openGame();
316 } else {
317 m_patch = path;
318 }
319}
320
321void GameController::importSharkport(const QString& path) {
322 if (!m_gameOpen) {
323 return;
324 }
325 VFile* vf = VFileDevice::open(path, O_RDONLY);
326 if (!vf) {
327 return;
328 }
329 threadInterrupt();
330 GBASavedataImportSharkPort(m_threadContext.gba, vf, false);
331 threadContinue();
332 vf->close(vf);
333}
334
335void GameController::exportSharkport(const QString& path) {
336 if (!m_gameOpen) {
337 return;
338 }
339 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
340 if (!vf) {
341 return;
342 }
343 threadInterrupt();
344 GBASavedataExportSharkPort(m_threadContext.gba, vf);
345 threadContinue();
346 vf->close(vf);
347}
348
349void GameController::closeGame() {
350 if (!m_gameOpen) {
351 return;
352 }
353 m_rewindTimer.stop();
354 if (GBAThreadIsPaused(&m_threadContext)) {
355 GBAThreadUnpause(&m_threadContext);
356 }
357 GBAThreadEnd(&m_threadContext);
358 GBAThreadJoin(&m_threadContext);
359 if (m_threadContext.fname) {
360 free(const_cast<char*>(m_threadContext.fname));
361 m_threadContext.fname = nullptr;
362 }
363
364 m_patch = QString();
365
366 for (size_t i = 0; i < GBACheatSetsSize(&m_cheatDevice.cheats); ++i) {
367 GBACheatSet* set = *GBACheatSetsGetPointer(&m_cheatDevice.cheats, i);
368 GBACheatSetDeinit(set);
369 delete set;
370 }
371 GBACheatSetsClear(&m_cheatDevice.cheats);
372
373 m_gameOpen = false;
374 emit gameStopped(&m_threadContext);
375}
376
377void GameController::crashGame(const QString& crashMessage) {
378 closeGame();
379 emit gameCrashed(crashMessage);
380 emit gameStopped(&m_threadContext);
381}
382
383bool GameController::isPaused() {
384 if (!m_gameOpen) {
385 return false;
386 }
387 return GBAThreadIsPaused(&m_threadContext);
388}
389
390void GameController::setPaused(bool paused) {
391 if (!m_gameOpen || m_rewindTimer.isActive() || paused == GBAThreadIsPaused(&m_threadContext)) {
392 return;
393 }
394 if (paused) {
395 GBAThreadPause(&m_threadContext);
396 emit gamePaused(&m_threadContext);
397 } else {
398 GBAThreadUnpause(&m_threadContext);
399 emit gameUnpaused(&m_threadContext);
400 }
401}
402
403void GameController::reset() {
404 GBAThreadReset(&m_threadContext);
405}
406
407void GameController::threadInterrupt() {
408 if (m_gameOpen) {
409 GBAThreadInterrupt(&m_threadContext);
410 }
411}
412
413void GameController::threadContinue() {
414 if (m_gameOpen) {
415 GBAThreadContinue(&m_threadContext);
416 }
417}
418
419void GameController::frameAdvance() {
420 if (m_rewindTimer.isActive()) {
421 return;
422 }
423 if (m_pauseAfterFrame.testAndSetRelaxed(false, true)) {
424 setPaused(false);
425 }
426}
427
428void GameController::setRewind(bool enable, int capacity, int interval) {
429 if (m_gameOpen) {
430 threadInterrupt();
431 GBARewindSettingsChanged(&m_threadContext, enable ? capacity : 0, enable ? interval : 0);
432 threadContinue();
433 } else {
434 if (enable) {
435 m_threadContext.rewindBufferInterval = interval;
436 m_threadContext.rewindBufferCapacity = capacity;
437 } else {
438 m_threadContext.rewindBufferInterval = 0;
439 m_threadContext.rewindBufferCapacity = 0;
440 }
441 }
442}
443
444void GameController::rewind(int states) {
445 threadInterrupt();
446 if (!states) {
447 GBARewindAll(&m_threadContext);
448 } else {
449 GBARewind(&m_threadContext, states);
450 }
451 threadContinue();
452 emit rewound(&m_threadContext);
453 emit frameAvailable(m_drawContext);
454}
455
456void GameController::startRewinding() {
457 if (!m_gameOpen || m_rewindTimer.isActive()) {
458 return;
459 }
460 m_wasPaused = isPaused();
461 setPaused(true);
462 m_rewindTimer.start();
463}
464
465void GameController::stopRewinding() {
466 m_rewindTimer.stop();
467 setPaused(m_wasPaused);
468}
469
470void GameController::keyPressed(int key) {
471 int mappedKey = 1 << key;
472 m_activeKeys |= mappedKey;
473 if (!m_inputController->allowOpposing()) {
474 if ((m_activeKeys & 0x30) == 0x30) {
475 m_inactiveKeys |= mappedKey ^ 0x30;
476 m_activeKeys ^= mappedKey ^ 0x30;
477 }
478 if ((m_activeKeys & 0xC0) == 0xC0) {
479 m_inactiveKeys |= mappedKey ^ 0xC0;
480 m_activeKeys ^= mappedKey ^ 0xC0;
481 }
482 }
483 updateKeys();
484}
485
486void GameController::keyReleased(int key) {
487 int mappedKey = 1 << key;
488 m_activeKeys &= ~mappedKey;
489 if (!m_inputController->allowOpposing()) {
490 if (mappedKey & 0x30) {
491 m_activeKeys |= m_inactiveKeys & (0x30 ^ mappedKey);
492 m_inactiveKeys &= ~0x30;
493 }
494 if (mappedKey & 0xC0) {
495 m_activeKeys |= m_inactiveKeys & (0xC0 ^ mappedKey);
496 m_inactiveKeys &= ~0xC0;
497 }
498 }
499 updateKeys();
500}
501
502void GameController::clearKeys() {
503 m_activeKeys = 0;
504 m_inactiveKeys = 0;
505 updateKeys();
506}
507
508void GameController::setAudioBufferSamples(int samples) {
509 threadInterrupt();
510 redoSamples(samples);
511 threadContinue();
512 QMetaObject::invokeMethod(m_audioProcessor, "setBufferSamples", Q_ARG(int, samples));
513}
514
515void GameController::setFPSTarget(float fps) {
516 threadInterrupt();
517 m_fpsTarget = fps;
518 m_threadContext.fpsTarget = fps;
519 if (m_turbo && m_turboSpeed > 0) {
520 m_threadContext.fpsTarget *= m_turboSpeed;
521 }
522 redoSamples(m_audioProcessor->getBufferSamples());
523 threadContinue();
524 QMetaObject::invokeMethod(m_audioProcessor, "inputParametersChanged");
525}
526
527void GameController::setSkipBIOS(bool set) {
528 threadInterrupt();
529 m_threadContext.skipBios = set;
530 threadContinue();
531}
532
533void GameController::setUseBIOS(bool use) {
534 threadInterrupt();
535 m_useBios = use;
536 threadContinue();
537}
538
539void GameController::loadState(int slot) {
540 if (slot > 0) {
541 m_stateSlot = slot;
542 }
543 GBARunOnThread(&m_threadContext, [](GBAThread* context) {
544 GameController* controller = static_cast<GameController*>(context->userData);
545 GBALoadState(context, context->stateDir, controller->m_stateSlot);
546 controller->stateLoaded(context);
547 controller->frameAvailable(controller->m_drawContext);
548 });
549}
550
551void GameController::saveState(int slot) {
552 if (slot > 0) {
553 m_stateSlot = slot;
554 }
555 GBARunOnThread(&m_threadContext, [](GBAThread* context) {
556 GameController* controller = static_cast<GameController*>(context->userData);
557 GBASaveState(context, context->stateDir, controller->m_stateSlot, true);
558 });
559}
560
561void GameController::setVideoSync(bool set) {
562 m_videoSync = set;
563 if (!m_turbo) {
564 threadInterrupt();
565 m_threadContext.sync.videoFrameWait = set;
566 threadContinue();
567 }
568}
569
570void GameController::setAudioSync(bool set) {
571 m_audioSync = set;
572 if (!m_turbo) {
573 threadInterrupt();
574 m_threadContext.sync.audioWait = set;
575 threadContinue();
576 }
577}
578
579void GameController::setFrameskip(int skip) {
580 m_threadContext.frameskip = skip;
581}
582
583void GameController::setVolume(int volume) {
584 threadInterrupt();
585 m_threadContext.volume = volume;
586 if (m_gameOpen) {
587 m_threadContext.gba->audio.masterVolume = volume;
588 }
589 threadContinue();
590}
591
592void GameController::setMute(bool mute) {
593 threadInterrupt();
594 m_threadContext.mute = mute;
595 if (m_gameOpen) {
596 m_threadContext.gba->audio.masterVolume = mute ? 0 : m_threadContext.volume;
597 }
598 threadContinue();
599}
600
601void GameController::setTurbo(bool set, bool forced) {
602 if (m_turboForced && !forced) {
603 return;
604 }
605 if (m_turbo == set && m_turboForced == forced) {
606 // Don't interrupt the thread if we don't need to
607 return;
608 }
609 m_turbo = set;
610 m_turboForced = set && forced;
611 enableTurbo();
612}
613
614void GameController::setTurboSpeed(float ratio) {
615 m_turboSpeed = ratio;
616 enableTurbo();
617}
618
619void GameController::enableTurbo() {
620 threadInterrupt();
621 if (!m_turbo) {
622 m_threadContext.fpsTarget = m_fpsTarget;
623 m_threadContext.sync.audioWait = m_audioSync;
624 m_threadContext.sync.videoFrameWait = m_videoSync;
625 redoSamples(m_audioProcessor->getBufferSamples());
626 } else if (m_turboSpeed <= 0) {
627 m_threadContext.sync.audioWait = false;
628 m_threadContext.sync.videoFrameWait = false;
629 } else {
630 m_threadContext.fpsTarget = m_fpsTarget * m_turboSpeed;
631 m_threadContext.sync.audioWait = true;
632 m_threadContext.sync.videoFrameWait = false;
633 redoSamples(m_audioProcessor->getBufferSamples());
634 }
635 threadContinue();
636}
637
638void GameController::setAVStream(GBAAVStream* stream) {
639 threadInterrupt();
640 m_threadContext.stream = stream;
641 if (m_gameOpen) {
642 m_threadContext.gba->stream = stream;
643 }
644 threadContinue();
645}
646
647void GameController::clearAVStream() {
648 threadInterrupt();
649 m_threadContext.stream = nullptr;
650 if (m_gameOpen) {
651 m_threadContext.gba->stream = nullptr;
652 }
653 threadContinue();
654}
655
656#ifdef USE_PNG
657void GameController::screenshot() {
658 GBARunOnThread(&m_threadContext, GBAThreadTakeScreenshot);
659}
660#endif
661
662void GameController::reloadAudioDriver() {
663 QMetaObject::invokeMethod(m_audioProcessor, "pause", Qt::BlockingQueuedConnection);
664 int samples = m_audioProcessor->getBufferSamples();
665 delete m_audioProcessor;
666 m_audioProcessor = AudioProcessor::create();
667 m_audioProcessor->setBufferSamples(samples);
668 m_audioProcessor->moveToThread(m_audioThread);
669 connect(this, SIGNAL(gameStarted(GBAThread*)), m_audioProcessor, SLOT(start()));
670 connect(this, SIGNAL(gameStopped(GBAThread*)), m_audioProcessor, SLOT(pause()));
671 connect(this, SIGNAL(gamePaused(GBAThread*)), m_audioProcessor, SLOT(pause()));
672 connect(this, SIGNAL(gameUnpaused(GBAThread*)), m_audioProcessor, SLOT(start()));
673 if (isLoaded()) {
674 m_audioProcessor->setInput(&m_threadContext);
675 QMetaObject::invokeMethod(m_audioProcessor, "start");
676 }
677}
678
679void GameController::setLuminanceValue(uint8_t value) {
680 m_luxValue = value;
681 value = std::max<int>(value - 0x16, 0);
682 m_luxLevel = 10;
683 for (int i = 0; i < 10; ++i) {
684 if (value < LUX_LEVELS[i]) {
685 m_luxLevel = i;
686 break;
687 }
688 }
689 emit luminanceValueChanged(m_luxValue);
690}
691
692void GameController::setLuminanceLevel(int level) {
693 int value = 0x16;
694 level = std::max(0, std::min(10, level));
695 if (level > 0) {
696 value += LUX_LEVELS[level - 1];
697 }
698 setLuminanceValue(value);
699}
700
701void GameController::setRealTime() {
702 m_rtc.override = GameControllerRTC::NO_OVERRIDE;
703}
704
705void GameController::setFixedTime(const QDateTime& time) {
706 m_rtc.override = GameControllerRTC::FIXED;
707 m_rtc.value = time.toMSecsSinceEpoch() / 1000;
708}
709
710void GameController::setFakeEpoch(const QDateTime& time) {
711 m_rtc.override = GameControllerRTC::FAKE_EPOCH;
712 m_rtc.value = time.toMSecsSinceEpoch() / 1000;
713}
714
715void GameController::updateKeys() {
716 int activeKeys = m_activeKeys;
717 activeKeys |= m_activeButtons;
718 activeKeys &= ~m_inactiveKeys;
719 m_threadContext.activeKeys = activeKeys;
720}
721
722void GameController::redoSamples(int samples) {
723#if RESAMPLE_LIBRARY != RESAMPLE_BLIP_BUF
724 float sampleRate = 0x8000;
725 float ratio;
726 if (m_threadContext.gba) {
727 sampleRate = m_threadContext.gba->audio.sampleRate;
728 }
729 ratio = GBAAudioCalculateRatio(sampleRate, m_threadContext.fpsTarget, 44100);
730 m_threadContext.audioBuffers = ceil(samples / ratio);
731#else
732 m_threadContext.audioBuffers = samples;
733#endif
734 if (m_threadContext.gba) {
735 GBAAudioResizeBuffer(&m_threadContext.gba->audio, m_threadContext.audioBuffers);
736 }
737}
738
739void GameController::setLogLevel(int levels) {
740 threadInterrupt();
741 m_logLevels = levels;
742 threadContinue();
743}
744
745void GameController::enableLogLevel(int levels) {
746 threadInterrupt();
747 m_logLevels |= levels;
748 threadContinue();
749}
750
751void GameController::disableLogLevel(int levels) {
752 threadInterrupt();
753 m_logLevels &= ~levels;
754 threadContinue();
755}
756
757void GameController::pollEvents() {
758 if (!m_inputController) {
759 return;
760 }
761
762 m_activeButtons = m_inputController->pollEvents();
763 updateKeys();
764}