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 m_gameOpen = true;
310
311 m_pauseAfterFrame = false;
312
313 if (m_turbo) {
314 m_threadContext.sync.videoFrameWait = false;
315 m_threadContext.sync.audioWait = false;
316 } else {
317 m_threadContext.sync.videoFrameWait = m_videoSync;
318 m_threadContext.sync.audioWait = m_audioSync;
319 }
320
321
322 if (!biosOnly) {
323 m_threadContext.core = mCoreFind(m_fname.toUtf8().constData());
324 } else {
325 m_threadContext.core = GBACoreCreate();
326 }
327 m_threadContext.core->init(m_threadContext.core);
328
329 unsigned width, height;
330 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
331 m_drawContext = new uint32_t[width * height];
332 m_frontBuffer = new uint32_t[width * height];
333
334 if (!biosOnly) {
335 mCoreLoadFile(m_threadContext.core, m_fname.toUtf8().constData());
336 }
337
338 m_threadContext.core->setVideoBuffer(m_threadContext.core, m_drawContext, width);
339
340 if (!m_bios.isNull() && m_useBios) {
341 VFile* bios = VFileDevice::open(m_bios, O_RDONLY);
342 if (bios) {
343 // TODO: Lifetime issues?
344 m_threadContext.core->loadBIOS(m_threadContext.core, bios, 0);
345 }
346 }
347
348 if (!m_patch.isNull()) {
349 VFile* patch = VFileDevice::open(m_patch, O_RDONLY);
350 if (patch) {
351 m_threadContext.core->loadPatch(m_threadContext.core, patch);
352 }
353 patch->close(patch);
354 }
355
356 m_inputController->recalibrateAxes();
357 memset(m_drawContext, 0xF8, width * height * 4);
358
359 m_threadContext.core->setAVStream(m_threadContext.core, m_stream);
360
361 if (m_config) {
362 mCoreLoadForeignConfig(m_threadContext.core, m_config);
363 }
364
365 if (!biosOnly) {
366 mCoreAutoloadSave(m_threadContext.core);
367 }
368
369 if (!mCoreThreadStart(&m_threadContext)) {
370 m_gameOpen = false;
371 emit gameFailed();
372 } else if (m_audioProcessor) {
373 startAudio();
374 }
375}
376
377void GameController::loadBIOS(const QString& path) {
378 if (m_bios == path) {
379 return;
380 }
381 m_bios = path;
382 if (m_gameOpen) {
383 closeGame();
384 openGame();
385 }
386}
387
388void GameController::yankPak() {
389 if (!m_gameOpen) {
390 return;
391 }
392 threadInterrupt();
393 GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
394 threadContinue();
395}
396
397void GameController::replaceGame(const QString& path) {
398 if (!m_gameOpen) {
399 return;
400 }
401
402 m_fname = path;
403 threadInterrupt();
404 mCoreLoadFile(m_threadContext.core, m_fname.toLocal8Bit().constData());
405 threadContinue();
406}
407
408void GameController::loadPatch(const QString& path) {
409 if (m_gameOpen) {
410 closeGame();
411 m_patch = path;
412 openGame();
413 } else {
414 m_patch = path;
415 }
416}
417
418void GameController::importSharkport(const QString& path) {
419 if (!isLoaded()) {
420 return;
421 }
422 VFile* vf = VFileDevice::open(path, O_RDONLY);
423 if (!vf) {
424 LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
425 return;
426 }
427 threadInterrupt();
428 GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
429 threadContinue();
430 vf->close(vf);
431}
432
433void GameController::exportSharkport(const QString& path) {
434 if (!isLoaded()) {
435 return;
436 }
437 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
438 if (!vf) {
439 LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
440 return;
441 }
442 threadInterrupt();
443 GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
444 threadContinue();
445 vf->close(vf);
446}
447
448void GameController::closeGame() {
449 if (!m_gameOpen) {
450 return;
451 }
452 m_gameOpen = false;
453
454 m_rewindTimer.stop();
455 if (mCoreThreadIsPaused(&m_threadContext)) {
456 mCoreThreadUnpause(&m_threadContext);
457 }
458 m_audioProcessor->pause();
459 mCoreThreadEnd(&m_threadContext);
460 mCoreThreadJoin(&m_threadContext);
461 // Make sure the event queue clears out before the thread is reused
462 QCoreApplication::processEvents();
463
464 delete[] m_drawContext;
465 delete[] m_frontBuffer;
466
467 m_patch = QString();
468
469 for (size_t i = 0; i < GBACheatSetsSize(&m_cheatDevice.cheats); ++i) {
470 GBACheatSet* set = *GBACheatSetsGetPointer(&m_cheatDevice.cheats, i);
471 GBACheatSetDeinit(set);
472 delete set;
473 }
474 GBACheatSetsClear(&m_cheatDevice.cheats);
475
476 m_threadContext.core->deinit(m_threadContext.core);
477}
478
479void GameController::crashGame(const QString& crashMessage) {
480 closeGame();
481 emit gameCrashed(crashMessage);
482 emit gameStopped(&m_threadContext);
483}
484
485bool GameController::isPaused() {
486 if (!m_gameOpen) {
487 return false;
488 }
489 return mCoreThreadIsPaused(&m_threadContext);
490}
491
492mPlatform GameController::platform() const {
493 if (!m_gameOpen) {
494 return PLATFORM_NONE;
495 }
496 return m_threadContext.core->platform(m_threadContext.core);
497}
498
499QSize GameController::screenDimensions() const {
500 if (!m_gameOpen) {
501 return QSize();
502 }
503 unsigned width, height;
504 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
505
506 return QSize(width, height);
507}
508
509void GameController::setPaused(bool paused) {
510 if (!isLoaded() || m_rewindTimer.isActive() || paused == mCoreThreadIsPaused(&m_threadContext)) {
511 return;
512 }
513 if (paused) {
514 m_pauseAfterFrame.testAndSetRelaxed(false, true);
515 } else {
516 mCoreThreadUnpause(&m_threadContext);
517 startAudio();
518 emit gameUnpaused(&m_threadContext);
519 }
520}
521
522void GameController::reset() {
523 if (!m_gameOpen) {
524 return;
525 }
526 bool wasPaused = isPaused();
527 setPaused(false);
528 mCoreThreadReset(&m_threadContext);
529 if (wasPaused) {
530 setPaused(true);
531 }
532}
533
534void GameController::threadInterrupt() {
535 if (m_gameOpen) {
536 mCoreThreadInterrupt(&m_threadContext);
537 }
538}
539
540void GameController::threadContinue() {
541 if (m_gameOpen) {
542 mCoreThreadContinue(&m_threadContext);
543 }
544}
545
546void GameController::frameAdvance() {
547 if (m_rewindTimer.isActive()) {
548 return;
549 }
550 if (m_pauseAfterFrame.testAndSetRelaxed(false, true)) {
551 setPaused(false);
552 }
553}
554
555void GameController::setRewind(bool enable, int capacity, int interval) {
556 if (m_gameOpen) {
557 threadInterrupt();
558 // TODO: Put back rewind
559 threadContinue();
560 } else {
561 // TODO: Put back rewind
562 }
563}
564
565void GameController::rewind(int states) {
566 threadInterrupt();
567 if (!states) {
568 // TODO: Put back rewind
569 } else {
570 // TODO: Put back rewind
571 }
572 threadContinue();
573 emit frameAvailable(m_drawContext);
574 emit rewound(&m_threadContext);
575}
576
577void GameController::startRewinding() {
578 if (!m_gameOpen || m_rewindTimer.isActive()) {
579 return;
580 }
581 if (m_multiplayer && m_multiplayer->attached() > 1) {
582 return;
583 }
584 m_wasPaused = isPaused();
585 if (!mCoreThreadIsPaused(&m_threadContext)) {
586 mCoreThreadPause(&m_threadContext);
587 }
588 m_rewindTimer.start();
589}
590
591void GameController::stopRewinding() {
592 if (!m_rewindTimer.isActive()) {
593 return;
594 }
595 m_rewindTimer.stop();
596 bool signalsBlocked = blockSignals(true);
597 setPaused(m_wasPaused);
598 blockSignals(signalsBlocked);
599}
600
601void GameController::keyPressed(int key) {
602 int mappedKey = 1 << key;
603 m_activeKeys |= mappedKey;
604 if (!m_inputController->allowOpposing()) {
605 if ((m_activeKeys & 0x30) == 0x30) {
606 m_inactiveKeys |= mappedKey ^ 0x30;
607 m_activeKeys ^= mappedKey ^ 0x30;
608 }
609 if ((m_activeKeys & 0xC0) == 0xC0) {
610 m_inactiveKeys |= mappedKey ^ 0xC0;
611 m_activeKeys ^= mappedKey ^ 0xC0;
612 }
613 }
614 updateKeys();
615}
616
617void GameController::keyReleased(int key) {
618 int mappedKey = 1 << key;
619 m_activeKeys &= ~mappedKey;
620 if (!m_inputController->allowOpposing()) {
621 if (mappedKey & 0x30) {
622 m_activeKeys |= m_inactiveKeys & (0x30 ^ mappedKey);
623 m_inactiveKeys &= ~0x30;
624 }
625 if (mappedKey & 0xC0) {
626 m_activeKeys |= m_inactiveKeys & (0xC0 ^ mappedKey);
627 m_inactiveKeys &= ~0xC0;
628 }
629 }
630 updateKeys();
631}
632
633void GameController::clearKeys() {
634 m_activeKeys = 0;
635 m_inactiveKeys = 0;
636 updateKeys();
637}
638
639void GameController::setAutofire(int key, bool enable) {
640 if (key >= GBA_KEY_MAX || key < 0) {
641 return;
642 }
643 m_autofire[key] = enable;
644 m_autofireStatus[key] = 0;
645}
646
647void GameController::setAudioBufferSamples(int samples) {
648 if (m_audioProcessor) {
649 threadInterrupt();
650 redoSamples(samples);
651 threadContinue();
652 QMetaObject::invokeMethod(m_audioProcessor, "setBufferSamples", Qt::BlockingQueuedConnection, Q_ARG(int, samples));
653 }
654}
655
656void GameController::setAudioSampleRate(unsigned rate) {
657 if (!rate) {
658 return;
659 }
660 if (m_audioProcessor) {
661 threadInterrupt();
662 redoSamples(m_audioProcessor->getBufferSamples());
663 threadContinue();
664 QMetaObject::invokeMethod(m_audioProcessor, "requestSampleRate", Q_ARG(unsigned, rate));
665 }
666}
667
668void GameController::setAudioChannelEnabled(int channel, bool enable) {
669 if (channel > 5 || channel < 0) {
670 return;
671 }
672#ifdef M_CORE_GBA
673 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
674#endif
675#ifdef M_CORE_GB
676 GB* gb = static_cast<GB*>(m_threadContext.core->board);
677#endif
678 m_audioChannels[channel] = enable;
679 if (isLoaded()) {
680 switch (channel) {
681 case 0:
682 case 1:
683 case 2:
684 case 3:
685 switch (m_threadContext.core->platform(m_threadContext.core)) {
686#ifdef M_CORE_GBA
687 case PLATFORM_GBA:
688 gba->audio.psg.forceDisableCh[channel] = !enable;
689 break;
690#endif
691#ifdef M_CORE_GB
692 case PLATFORM_GB:
693 gb->audio.forceDisableCh[channel] = !enable;
694 break;
695#endif
696 default:
697 break;
698 }
699 break;
700#ifdef M_CORE_GBA
701 case 4:
702 if (m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
703 gba->audio.forceDisableChA = !enable;
704 }
705 break;
706 case 5:
707 if (m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
708 gba->audio.forceDisableChB = !enable;
709 }
710 break;
711#endif
712 }
713 }
714}
715
716void GameController::startAudio() {
717 bool started = false;
718 QMetaObject::invokeMethod(m_audioProcessor, "start", Qt::BlockingQueuedConnection, Q_RETURN_ARG(bool, started));
719 if (!started) {
720 LOG(QT, ERROR) << tr("Failed to start audio processor");
721 // Don't freeze!
722 m_audioSync = false;
723 m_videoSync = true;
724 m_threadContext.sync.audioWait = false;
725 m_threadContext.sync.videoFrameWait = true;
726 }
727}
728
729void GameController::setVideoLayerEnabled(int layer, bool enable) {
730 if (layer > 4 || layer < 0) {
731 return;
732 }
733 m_videoLayers[layer] = enable;
734 if (isLoaded() && m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
735 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
736 switch (layer) {
737 case 0:
738 case 1:
739 case 2:
740 case 3:
741 gba->video.renderer->disableBG[layer] = !enable;
742 break;
743 case 4:
744 gba->video.renderer->disableOBJ = !enable;
745 break;
746 }
747 }
748}
749
750void GameController::setFPSTarget(float fps) {
751 threadInterrupt();
752 m_fpsTarget = fps;
753 m_threadContext.sync.fpsTarget = fps;
754 if (m_turbo && m_turboSpeed > 0) {
755 m_threadContext.sync.fpsTarget *= m_turboSpeed;
756 }
757 if (m_audioProcessor) {
758 redoSamples(m_audioProcessor->getBufferSamples());
759 }
760 threadContinue();
761}
762
763void GameController::setUseBIOS(bool use) {
764 if (use == m_useBios) {
765 return;
766 }
767 m_useBios = use;
768 if (m_gameOpen) {
769 closeGame();
770 openGame();
771 }
772}
773
774void GameController::loadState(int slot) {
775 if (m_fname.isEmpty()) {
776 // We're in the BIOS
777 return;
778 }
779 if (slot > 0 && slot != m_stateSlot) {
780 m_stateSlot = slot;
781 m_backupSaveState.clear();
782 }
783 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
784 GameController* controller = static_cast<GameController*>(context->userData);
785 if (!controller->m_backupLoadState) {
786 controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
787 }
788 context->core->saveState(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
789 if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
790 controller->frameAvailable(controller->m_drawContext);
791 controller->stateLoaded(context);
792 }
793 });
794}
795
796void GameController::saveState(int slot) {
797 if (m_fname.isEmpty()) {
798 // We're in the BIOS
799 return;
800 }
801 if (slot > 0) {
802 m_stateSlot = slot;
803 }
804 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
805 GameController* controller = static_cast<GameController*>(context->userData);
806 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, false);
807 if (vf) {
808 controller->m_backupSaveState.resize(vf->size(vf));
809 vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
810 vf->close(vf);
811 }
812 mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
813 });
814}
815
816void GameController::loadBackupState() {
817 if (!m_backupLoadState) {
818 return;
819 }
820
821 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
822 GameController* controller = static_cast<GameController*>(context->userData);
823 controller->m_backupLoadState->seek(controller->m_backupLoadState, 0, SEEK_SET);
824 if (context->core->loadState(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
825 mLOG(STATUS, INFO, "Undid state load");
826 controller->frameAvailable(controller->m_drawContext);
827 controller->stateLoaded(context);
828 }
829 controller->m_backupLoadState->close(controller->m_backupLoadState);
830 controller->m_backupLoadState = nullptr;
831 });
832}
833
834void GameController::saveBackupState() {
835 if (m_backupSaveState.isEmpty()) {
836 return;
837 }
838
839 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
840 GameController* controller = static_cast<GameController*>(context->userData);
841 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, true);
842 if (vf) {
843 vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
844 vf->close(vf);
845 mLOG(STATUS, INFO, "Undid state save");
846 }
847 controller->m_backupSaveState.clear();
848 });
849}
850
851void GameController::setTurbo(bool set, bool forced) {
852 if (m_turboForced && !forced) {
853 return;
854 }
855 if (m_turbo == set && m_turboForced == forced) {
856 // Don't interrupt the thread if we don't need to
857 return;
858 }
859 m_turbo = set;
860 m_turboForced = set && forced;
861 enableTurbo();
862}
863
864void GameController::setTurboSpeed(float ratio) {
865 m_turboSpeed = ratio;
866 enableTurbo();
867}
868
869void GameController::enableTurbo() {
870 threadInterrupt();
871 if (!m_turbo) {
872 m_threadContext.sync.fpsTarget = m_fpsTarget;
873 m_threadContext.sync.audioWait = m_audioSync;
874 m_threadContext.sync.videoFrameWait = m_videoSync;
875 } else if (m_turboSpeed <= 0) {
876 m_threadContext.sync.fpsTarget = m_fpsTarget;
877 m_threadContext.sync.audioWait = false;
878 m_threadContext.sync.videoFrameWait = false;
879 } else {
880 m_threadContext.sync.fpsTarget = m_fpsTarget * m_turboSpeed;
881 m_threadContext.sync.audioWait = true;
882 m_threadContext.sync.videoFrameWait = false;
883 }
884 if (m_audioProcessor) {
885 redoSamples(m_audioProcessor->getBufferSamples());
886 }
887 threadContinue();
888}
889
890void GameController::setAVStream(mAVStream* stream) {
891 threadInterrupt();
892 m_stream = stream;
893 if (isLoaded()) {
894 m_threadContext.core->setAVStream(m_threadContext.core, stream);
895 }
896 threadContinue();
897}
898
899void GameController::clearAVStream() {
900 threadInterrupt();
901 m_stream = nullptr;
902 if (isLoaded()) {
903 m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
904 }
905 threadContinue();
906}
907
908#ifdef USE_PNG
909void GameController::screenshot() {
910 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
911 mCoreTakeScreenshot(context->core);
912 });
913}
914#endif
915
916void GameController::reloadAudioDriver() {
917 int samples = 0;
918 unsigned sampleRate = 0;
919 if (m_audioProcessor) {
920 QMetaObject::invokeMethod(m_audioProcessor, "pause", Qt::BlockingQueuedConnection);
921 samples = m_audioProcessor->getBufferSamples();
922 sampleRate = m_audioProcessor->sampleRate();
923 delete m_audioProcessor;
924 }
925 m_audioProcessor = AudioProcessor::create();
926 if (samples) {
927 m_audioProcessor->setBufferSamples(samples);
928 }
929 if (sampleRate) {
930 m_audioProcessor->requestSampleRate(sampleRate);
931 }
932 m_audioProcessor->moveToThread(m_audioThread);
933 connect(this, SIGNAL(gamePaused(mCoreThread*)), m_audioProcessor, SLOT(pause()));
934 if (isLoaded()) {
935 m_audioProcessor->setInput(&m_threadContext);
936 startAudio();
937 }
938}
939
940void GameController::setSaveStateExtdata(int flags) {
941 m_saveStateFlags = flags;
942}
943
944void GameController::setLoadStateExtdata(int flags) {
945 m_loadStateFlags = flags;
946}
947
948void GameController::setLuminanceValue(uint8_t value) {
949 m_luxValue = value;
950 value = std::max<int>(value - 0x16, 0);
951 m_luxLevel = 10;
952 for (int i = 0; i < 10; ++i) {
953 if (value < GBA_LUX_LEVELS[i]) {
954 m_luxLevel = i;
955 break;
956 }
957 }
958 emit luminanceValueChanged(m_luxValue);
959}
960
961void GameController::setLuminanceLevel(int level) {
962 int value = 0x16;
963 level = std::max(0, std::min(10, level));
964 if (level > 0) {
965 value += GBA_LUX_LEVELS[level - 1];
966 }
967 setLuminanceValue(value);
968}
969
970void GameController::setRealTime() {
971 m_rtc.override = RTC_NO_OVERRIDE;
972}
973
974void GameController::setFixedTime(const QDateTime& time) {
975 m_rtc.override = RTC_FIXED;
976 m_rtc.value = time.toMSecsSinceEpoch() / 1000;
977}
978
979void GameController::setFakeEpoch(const QDateTime& time) {
980 m_rtc.override = RTC_FAKE_EPOCH;
981 m_rtc.value = time.toMSecsSinceEpoch() / 1000;
982}
983
984void GameController::updateKeys() {
985 int activeKeys = m_activeKeys;
986 activeKeys |= m_activeButtons;
987 activeKeys &= ~m_inactiveKeys;
988 if (isLoaded()) {
989 m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
990 }
991}
992
993void GameController::redoSamples(int samples) {
994 if (m_threadContext.core) {
995 m_threadContext.core->setAudioBufferSize(m_threadContext.core, samples);
996 }
997 QMetaObject::invokeMethod(m_audioProcessor, "inputParametersChanged");
998}
999
1000void GameController::setLogLevel(int levels) {
1001 threadInterrupt();
1002 m_logLevels = levels;
1003 threadContinue();
1004}
1005
1006void GameController::enableLogLevel(int levels) {
1007 threadInterrupt();
1008 m_logLevels |= levels;
1009 threadContinue();
1010}
1011
1012void GameController::disableLogLevel(int levels) {
1013 threadInterrupt();
1014 m_logLevels &= ~levels;
1015 threadContinue();
1016}
1017
1018void GameController::pollEvents() {
1019 if (!m_inputController) {
1020 return;
1021 }
1022
1023 m_activeButtons = m_inputController->pollEvents();
1024 updateKeys();
1025}
1026
1027void GameController::updateAutofire() {
1028 // TODO: Move all key events onto the CPU thread...somehow
1029 for (int k = 0; k < GBA_KEY_MAX; ++k) {
1030 if (!m_autofire[k]) {
1031 continue;
1032 }
1033 m_autofireStatus[k] ^= 1;
1034 if (m_autofireStatus[k]) {
1035 keyPressed(k);
1036 } else {
1037 keyReleased(k);
1038 }
1039 }
1040}