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 <QDateTime>
15#include <QThread>
16
17#include <ctime>
18
19extern "C" {
20#include "gba/audio.h"
21#include "gba/gba.h"
22#include "gba/serialize.h"
23#include "gba/sharkport.h"
24#include "gba/renderers/video-software.h"
25#include "gba/supervisor/config.h"
26#include "util/vfs.h"
27}
28
29using namespace QGBA;
30using namespace std;
31
32GameController::GameController(QObject* parent)
33 : QObject(parent)
34 , m_drawContext(new uint32_t[256 * 256])
35 , m_threadContext()
36 , m_activeKeys(0)
37 , m_inactiveKeys(0)
38 , m_logLevels(0)
39 , m_gameOpen(false)
40 , m_audioThread(new QThread(this))
41 , m_audioProcessor(AudioProcessor::create())
42 , m_pauseAfterFrame(false)
43 , m_videoSync(VIDEO_SYNC)
44 , m_audioSync(AUDIO_SYNC)
45 , m_fpsTarget(-1)
46 , m_turbo(false)
47 , m_turboForced(false)
48 , m_turboSpeed(-1)
49 , m_wasPaused(false)
50 , m_audioChannels{ true, true, true, true, true, true }
51 , m_videoLayers{ true, true, true, true, true }
52 , m_inputController(nullptr)
53 , m_multiplayer(nullptr)
54 , m_stateSlot(1)
55 , m_backupLoadState(nullptr)
56 , m_backupSaveState(nullptr)
57{
58 m_renderer = new GBAVideoSoftwareRenderer;
59 GBAVideoSoftwareRendererCreate(m_renderer);
60 m_renderer->outputBuffer = (color_t*) m_drawContext;
61 m_renderer->outputBufferStride = 256;
62
63 GBACheatDeviceCreate(&m_cheatDevice);
64
65 m_threadContext.state = THREAD_INITIALIZED;
66 m_threadContext.debugger = 0;
67 m_threadContext.frameskip = 0;
68 m_threadContext.bios = 0;
69 m_threadContext.renderer = &m_renderer->d;
70 m_threadContext.userData = this;
71 m_threadContext.rewindBufferCapacity = 0;
72 m_threadContext.cheats = &m_cheatDevice;
73 m_threadContext.logLevel = GBA_LOG_ALL;
74
75 m_lux.p = this;
76 m_lux.sample = [](GBALuminanceSource* context) {
77 GameControllerLux* lux = static_cast<GameControllerLux*>(context);
78 lux->value = 0xFF - lux->p->m_luxValue;
79 };
80
81 m_lux.readLuminance = [](GBALuminanceSource* context) {
82 GameControllerLux* lux = static_cast<GameControllerLux*>(context);
83 return lux->value;
84 };
85 setLuminanceLevel(0);
86
87 m_threadContext.startCallback = [](GBAThread* context) {
88 GameController* controller = static_cast<GameController*>(context->userData);
89 controller->m_audioProcessor->setInput(context);
90 context->gba->luminanceSource = &controller->m_lux;
91 GBARTCGenericSourceInit(&controller->m_rtc, context->gba);
92 context->gba->rtcSource = &controller->m_rtc.d;
93 context->gba->rumble = controller->m_inputController->rumble();
94 context->gba->rotationSource = controller->m_inputController->rotationSource();
95 context->gba->audio.forceDisableCh[0] = !controller->m_audioChannels[0];
96 context->gba->audio.forceDisableCh[1] = !controller->m_audioChannels[1];
97 context->gba->audio.forceDisableCh[2] = !controller->m_audioChannels[2];
98 context->gba->audio.forceDisableCh[3] = !controller->m_audioChannels[3];
99 context->gba->audio.forceDisableChA = !controller->m_audioChannels[4];
100 context->gba->audio.forceDisableChB = !controller->m_audioChannels[5];
101 context->gba->video.renderer->disableBG[0] = !controller->m_videoLayers[0];
102 context->gba->video.renderer->disableBG[1] = !controller->m_videoLayers[1];
103 context->gba->video.renderer->disableBG[2] = !controller->m_videoLayers[2];
104 context->gba->video.renderer->disableBG[3] = !controller->m_videoLayers[3];
105 context->gba->video.renderer->disableOBJ = !controller->m_videoLayers[4];
106 controller->m_fpsTarget = context->fpsTarget;
107
108 if (GBALoadState(context, context->stateDir, 0)) {
109 VFile* vf = GBAGetState(context->gba, context->stateDir, 0, true);
110 if (vf) {
111 vf->truncate(vf, 0);
112 }
113 }
114 controller->gameStarted(context);
115 };
116
117 m_threadContext.cleanCallback = [](GBAThread* context) {
118 GameController* controller = static_cast<GameController*>(context->userData);
119 controller->gameStopped(context);
120 };
121
122 m_threadContext.frameCallback = [](GBAThread* context) {
123 GameController* controller = static_cast<GameController*>(context->userData);
124 if (GBASyncDrawingFrame(&controller->m_threadContext.sync)) {
125 controller->frameAvailable(controller->m_drawContext);
126 } else {
127 controller->frameAvailable(nullptr);
128 }
129 if (controller->m_pauseAfterFrame.testAndSetAcquire(true, false)) {
130 GBAThreadPauseFromThread(context);
131 controller->gamePaused(&controller->m_threadContext);
132 }
133 };
134
135 m_threadContext.stopCallback = [](GBAThread* context) {
136 if (!context) {
137 return false;
138 }
139 GameController* controller = static_cast<GameController*>(context->userData);
140 if (!GBASaveState(context, context->stateDir, 0, true)) {
141 return false;
142 }
143 QMetaObject::invokeMethod(controller, "closeGame");
144 return true;
145 };
146
147 m_threadContext.logHandler = [](GBAThread* context, enum GBALogLevel level, const char* format, va_list args) {
148 static const char* stubMessage = "Stub software interrupt: %02X";
149 static const char* savestateMessage = "State %i loaded";
150 static const char* savestateFailedMessage = "State %i failed to load";
151 if (!context) {
152 return;
153 }
154 GameController* controller = static_cast<GameController*>(context->userData);
155 if (level == GBA_LOG_STUB && strncmp(stubMessage, format, strlen(stubMessage)) == 0) {
156 va_list argc;
157 va_copy(argc, args);
158 int immediate = va_arg(argc, int);
159 va_end(argc);
160 controller->unimplementedBiosCall(immediate);
161 } else if (level == GBA_LOG_STATUS) {
162 // Slot 0 is reserved for suspend points
163 if (strncmp(savestateMessage, format, strlen(savestateMessage)) == 0) {
164 va_list argc;
165 va_copy(argc, args);
166 int slot = va_arg(argc, int);
167 va_end(argc);
168 if (slot == 0) {
169 format = "Loaded suspend state";
170 }
171 } else if (strncmp(savestateFailedMessage, format, strlen(savestateFailedMessage)) == 0) {
172 va_list argc;
173 va_copy(argc, args);
174 int slot = va_arg(argc, int);
175 va_end(argc);
176 if (slot == 0) {
177 return;
178 }
179 }
180 }
181 if (level == GBA_LOG_FATAL) {
182 QMetaObject::invokeMethod(controller, "crashGame", Q_ARG(const QString&, QString().vsprintf(format, args)));
183 } else if (!(controller->m_logLevels & level)) {
184 return;
185 }
186 QString message(QString().vsprintf(format, args));
187 if (level == GBA_LOG_STATUS) {
188 controller->statusPosted(message);
189 }
190 controller->postLog(level, message);
191 };
192
193 connect(&m_rewindTimer, &QTimer::timeout, [this]() {
194 GBARewind(&m_threadContext, 1);
195 emit frameAvailable(m_drawContext);
196 emit rewound(&m_threadContext);
197 });
198 m_rewindTimer.setInterval(100);
199
200 m_audioThread->setObjectName("Audio Thread");
201 m_audioThread->start(QThread::TimeCriticalPriority);
202 m_audioProcessor->moveToThread(m_audioThread);
203 connect(this, SIGNAL(gameStarted(GBAThread*)), m_audioProcessor, SLOT(start()));
204 connect(this, SIGNAL(gameStopped(GBAThread*)), m_audioProcessor, SLOT(pause()));
205 connect(this, SIGNAL(gamePaused(GBAThread*)), m_audioProcessor, SLOT(pause()));
206 connect(this, SIGNAL(gameUnpaused(GBAThread*)), m_audioProcessor, SLOT(start()));
207 connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(pollEvents()));
208}
209
210GameController::~GameController() {
211 m_audioThread->quit();
212 m_audioThread->wait();
213 disconnect();
214 clearMultiplayerController();
215 closeGame();
216 GBACheatDeviceDestroy(&m_cheatDevice);
217 delete m_renderer;
218 delete[] m_drawContext;
219 delete m_backupLoadState;
220}
221
222void GameController::setMultiplayerController(MultiplayerController* controller) {
223 if (controller == m_multiplayer) {
224 return;
225 }
226 clearMultiplayerController();
227 m_multiplayer = controller;
228 controller->attachGame(this);
229}
230
231void GameController::clearMultiplayerController() {
232 if (!m_multiplayer) {
233 return;
234 }
235 m_multiplayer->detachGame(this);
236 m_multiplayer = nullptr;
237}
238
239void GameController::setOverride(const GBACartridgeOverride& override) {
240 m_threadContext.override = override;
241 m_threadContext.hasOverride = true;
242}
243
244void GameController::setOptions(const GBAOptions* opts) {
245 setFrameskip(opts->frameskip);
246 setAudioSync(opts->audioSync);
247 setVideoSync(opts->videoSync);
248 setSkipBIOS(opts->skipBios);
249 setUseBIOS(opts->useBios);
250 setRewind(opts->rewindEnable, opts->rewindBufferCapacity, opts->rewindBufferInterval);
251 setVolume(opts->volume);
252 setMute(opts->mute);
253
254 threadInterrupt();
255 m_threadContext.idleOptimization = opts->idleOptimization;
256 threadContinue();
257}
258
259#ifdef USE_GDB_STUB
260ARMDebugger* GameController::debugger() {
261 return m_threadContext.debugger;
262}
263
264void GameController::setDebugger(ARMDebugger* debugger) {
265 threadInterrupt();
266 if (m_threadContext.debugger && GBAThreadIsActive(&m_threadContext)) {
267 GBADetachDebugger(m_threadContext.gba);
268 }
269 m_threadContext.debugger = debugger;
270 if (m_threadContext.debugger && GBAThreadIsActive(&m_threadContext)) {
271 GBAAttachDebugger(m_threadContext.gba, m_threadContext.debugger);
272 }
273 threadContinue();
274}
275#endif
276
277void GameController::loadGame(const QString& path, bool dirmode) {
278 closeGame();
279 if (!dirmode) {
280 QFile file(path);
281 if (!file.open(QIODevice::ReadOnly)) {
282 postLog(GBA_LOG_ERROR, tr("Failed to open game file: %1").arg(path));
283 return;
284 }
285 file.close();
286 }
287
288 m_fname = path;
289 m_dirmode = dirmode;
290 openGame();
291}
292
293void GameController::bootBIOS() {
294 closeGame();
295 m_fname = QString();
296 m_dirmode = false;
297 openGame(true);
298}
299
300void GameController::openGame(bool biosOnly) {
301 if (biosOnly && (!m_useBios || m_bios.isNull())) {
302 return;
303 }
304
305 m_gameOpen = true;
306
307 m_pauseAfterFrame = false;
308
309 if (m_turbo) {
310 m_threadContext.sync.videoFrameWait = false;
311 m_threadContext.sync.audioWait = false;
312 } else {
313 m_threadContext.sync.videoFrameWait = m_videoSync;
314 m_threadContext.sync.audioWait = m_audioSync;
315 }
316
317 m_threadContext.gameDir = 0;
318 m_threadContext.bootBios = biosOnly;
319 if (biosOnly) {
320 m_threadContext.fname = nullptr;
321 } else {
322 m_threadContext.fname = strdup(m_fname.toUtf8().constData());
323 if (m_dirmode) {
324 m_threadContext.gameDir = VDirOpen(m_threadContext.fname);
325 m_threadContext.stateDir = m_threadContext.gameDir;
326 } else {
327 GBAThreadLoadROM(&m_threadContext, m_threadContext.fname);
328 }
329 }
330
331 if (!m_bios.isNull() && m_useBios) {
332 m_threadContext.bios = VFileDevice::open(m_bios, O_RDONLY);
333 } else {
334 m_threadContext.bios = nullptr;
335 }
336
337 if (!m_patch.isNull()) {
338 m_threadContext.patch = VFileDevice::open(m_patch, O_RDONLY);
339 }
340
341 m_inputController->recalibrateAxes();
342 memset(m_drawContext, 0xF8, 1024 * 256);
343
344 if (!GBAThreadStart(&m_threadContext)) {
345 m_gameOpen = false;
346 emit gameFailed();
347 }
348}
349
350void GameController::loadBIOS(const QString& path) {
351 if (m_bios == path) {
352 return;
353 }
354 m_bios = path;
355 if (m_gameOpen) {
356 closeGame();
357 openGame();
358 }
359}
360
361void GameController::yankPak() {
362 if (!m_gameOpen) {
363 return;
364 }
365 threadInterrupt();
366 GBAYankROM(m_threadContext.gba);
367 threadContinue();
368}
369
370void GameController::replaceGame(const QString& path) {
371 if (!m_gameOpen) {
372 return;
373 }
374
375 m_fname = path;
376 threadInterrupt();
377 m_threadContext.fname = strdup(m_fname.toLocal8Bit().constData());
378 GBAThreadReplaceROM(&m_threadContext, m_threadContext.fname);
379 threadContinue();
380}
381
382void GameController::loadPatch(const QString& path) {
383 if (m_gameOpen) {
384 closeGame();
385 m_patch = path;
386 openGame();
387 } else {
388 m_patch = path;
389 }
390}
391
392void GameController::importSharkport(const QString& path) {
393 if (!m_gameOpen) {
394 return;
395 }
396 VFile* vf = VFileDevice::open(path, O_RDONLY);
397 if (!vf) {
398 postLog(GBA_LOG_ERROR, tr("Failed to open snapshot file for reading: %1").arg(path));
399 return;
400 }
401 threadInterrupt();
402 GBASavedataImportSharkPort(m_threadContext.gba, vf, false);
403 threadContinue();
404 vf->close(vf);
405}
406
407void GameController::exportSharkport(const QString& path) {
408 if (!m_gameOpen) {
409 return;
410 }
411 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
412 if (!vf) {
413 postLog(GBA_LOG_ERROR, tr("Failed to open snapshot file for writing: %1").arg(path));
414 return;
415 }
416 threadInterrupt();
417 GBASavedataExportSharkPort(m_threadContext.gba, vf);
418 threadContinue();
419 vf->close(vf);
420}
421
422void GameController::closeGame() {
423 if (!m_gameOpen) {
424 return;
425 }
426 m_rewindTimer.stop();
427 if (GBAThreadIsPaused(&m_threadContext)) {
428 GBAThreadUnpause(&m_threadContext);
429 }
430 GBAThreadEnd(&m_threadContext);
431 GBAThreadJoin(&m_threadContext);
432 if (m_threadContext.fname) {
433 free(const_cast<char*>(m_threadContext.fname));
434 m_threadContext.fname = nullptr;
435 }
436
437 m_patch = QString();
438
439 for (size_t i = 0; i < GBACheatSetsSize(&m_cheatDevice.cheats); ++i) {
440 GBACheatSet* set = *GBACheatSetsGetPointer(&m_cheatDevice.cheats, i);
441 GBACheatSetDeinit(set);
442 delete set;
443 }
444 GBACheatSetsClear(&m_cheatDevice.cheats);
445
446 m_gameOpen = false;
447 emit gameStopped(&m_threadContext);
448}
449
450void GameController::crashGame(const QString& crashMessage) {
451 closeGame();
452 emit gameCrashed(crashMessage);
453 emit gameStopped(&m_threadContext);
454}
455
456bool GameController::isPaused() {
457 if (!m_gameOpen) {
458 return false;
459 }
460 return GBAThreadIsPaused(&m_threadContext);
461}
462
463void GameController::setPaused(bool paused) {
464 if (!m_gameOpen || m_rewindTimer.isActive() || paused == GBAThreadIsPaused(&m_threadContext)) {
465 return;
466 }
467 if (paused) {
468 m_pauseAfterFrame.testAndSetRelaxed(false, true);
469 } else {
470 GBAThreadUnpause(&m_threadContext);
471 emit gameUnpaused(&m_threadContext);
472 }
473}
474
475void GameController::reset() {
476 GBAThreadReset(&m_threadContext);
477}
478
479void GameController::threadInterrupt() {
480 if (m_gameOpen) {
481 GBAThreadInterrupt(&m_threadContext);
482 }
483}
484
485void GameController::threadContinue() {
486 if (m_gameOpen) {
487 GBAThreadContinue(&m_threadContext);
488 }
489}
490
491void GameController::frameAdvance() {
492 if (m_rewindTimer.isActive()) {
493 return;
494 }
495 if (m_pauseAfterFrame.testAndSetRelaxed(false, true)) {
496 setPaused(false);
497 }
498}
499
500void GameController::setRewind(bool enable, int capacity, int interval) {
501 if (m_gameOpen) {
502 threadInterrupt();
503 GBARewindSettingsChanged(&m_threadContext, enable ? capacity : 0, enable ? interval : 0);
504 threadContinue();
505 } else {
506 if (enable) {
507 m_threadContext.rewindBufferInterval = interval;
508 m_threadContext.rewindBufferCapacity = capacity;
509 } else {
510 m_threadContext.rewindBufferInterval = 0;
511 m_threadContext.rewindBufferCapacity = 0;
512 }
513 }
514}
515
516void GameController::rewind(int states) {
517 threadInterrupt();
518 if (!states) {
519 GBARewindAll(&m_threadContext);
520 } else {
521 GBARewind(&m_threadContext, states);
522 }
523 threadContinue();
524 emit frameAvailable(m_drawContext);
525 emit rewound(&m_threadContext);
526}
527
528void GameController::startRewinding() {
529 if (!m_gameOpen || m_rewindTimer.isActive()) {
530 return;
531 }
532 m_wasPaused = isPaused();
533 bool signalsBlocked = blockSignals(true);
534 setPaused(true);
535 blockSignals(signalsBlocked);
536 m_rewindTimer.start();
537}
538
539void GameController::stopRewinding() {
540 if (!m_rewindTimer.isActive()) {
541 return;
542 }
543 m_rewindTimer.stop();
544 bool signalsBlocked = blockSignals(true);
545 setPaused(m_wasPaused);
546 blockSignals(signalsBlocked);
547}
548
549void GameController::keyPressed(int key) {
550 int mappedKey = 1 << key;
551 m_activeKeys |= mappedKey;
552 if (!m_inputController->allowOpposing()) {
553 if ((m_activeKeys & 0x30) == 0x30) {
554 m_inactiveKeys |= mappedKey ^ 0x30;
555 m_activeKeys ^= mappedKey ^ 0x30;
556 }
557 if ((m_activeKeys & 0xC0) == 0xC0) {
558 m_inactiveKeys |= mappedKey ^ 0xC0;
559 m_activeKeys ^= mappedKey ^ 0xC0;
560 }
561 }
562 updateKeys();
563}
564
565void GameController::keyReleased(int key) {
566 int mappedKey = 1 << key;
567 m_activeKeys &= ~mappedKey;
568 if (!m_inputController->allowOpposing()) {
569 if (mappedKey & 0x30) {
570 m_activeKeys |= m_inactiveKeys & (0x30 ^ mappedKey);
571 m_inactiveKeys &= ~0x30;
572 }
573 if (mappedKey & 0xC0) {
574 m_activeKeys |= m_inactiveKeys & (0xC0 ^ mappedKey);
575 m_inactiveKeys &= ~0xC0;
576 }
577 }
578 updateKeys();
579}
580
581void GameController::clearKeys() {
582 m_activeKeys = 0;
583 m_inactiveKeys = 0;
584 updateKeys();
585}
586
587void GameController::setAudioBufferSamples(int samples) {
588 threadInterrupt();
589 redoSamples(samples);
590 threadContinue();
591 QMetaObject::invokeMethod(m_audioProcessor, "setBufferSamples", Q_ARG(int, samples));
592}
593
594void GameController::setAudioChannelEnabled(int channel, bool enable) {
595 if (channel > 5 || channel < 0) {
596 return;
597 }
598 m_audioChannels[channel] = enable;
599 if (m_gameOpen) {
600 switch (channel) {
601 case 0:
602 case 1:
603 case 2:
604 case 3:
605 m_threadContext.gba->audio.forceDisableCh[channel] = !enable;
606 break;
607 case 4:
608 m_threadContext.gba->audio.forceDisableChA = !enable;
609 break;
610 case 5:
611 m_threadContext.gba->audio.forceDisableChB = !enable;
612 break;
613 }
614 }
615}
616
617void GameController::setVideoLayerEnabled(int layer, bool enable) {
618 if (layer > 4 || layer < 0) {
619 return;
620 }
621 m_videoLayers[layer] = enable;
622 if (m_gameOpen) {
623 switch (layer) {
624 case 0:
625 case 1:
626 case 2:
627 case 3:
628 m_threadContext.gba->video.renderer->disableBG[layer] = !enable;
629 break;
630 case 4:
631 m_threadContext.gba->video.renderer->disableOBJ = !enable;
632 break;
633 }
634 }
635}
636
637void GameController::setFPSTarget(float fps) {
638 threadInterrupt();
639 m_fpsTarget = fps;
640 m_threadContext.fpsTarget = fps;
641 if (m_turbo && m_turboSpeed > 0) {
642 m_threadContext.fpsTarget *= m_turboSpeed;
643 }
644 redoSamples(m_audioProcessor->getBufferSamples());
645 threadContinue();
646}
647
648void GameController::setSkipBIOS(bool set) {
649 threadInterrupt();
650 m_threadContext.skipBios = set;
651 threadContinue();
652}
653
654void GameController::setUseBIOS(bool use) {
655 threadInterrupt();
656 m_useBios = use;
657 threadContinue();
658}
659
660void GameController::loadState(int slot) {
661 if (slot > 0 && slot != m_stateSlot) {
662 m_stateSlot = slot;
663 m_backupSaveState.clear();
664 }
665 GBARunOnThread(&m_threadContext, [](GBAThread* context) {
666 GameController* controller = static_cast<GameController*>(context->userData);
667 if (!controller->m_backupLoadState) {
668 controller->m_backupLoadState = new GBASerializedState;
669 }
670 GBASerialize(context->gba, controller->m_backupLoadState);
671 if (GBALoadState(context, context->stateDir, controller->m_stateSlot)) {
672 controller->frameAvailable(controller->m_drawContext);
673 controller->stateLoaded(context);
674 }
675 });
676}
677
678void GameController::saveState(int slot) {
679 if (slot > 0) {
680 m_stateSlot = slot;
681 }
682 GBARunOnThread(&m_threadContext, [](GBAThread* context) {
683 GameController* controller = static_cast<GameController*>(context->userData);
684 VFile* vf = GBAGetState(context->gba, context->stateDir, controller->m_stateSlot, false);
685 if (vf) {
686 controller->m_backupSaveState.resize(vf->size(vf));
687 vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
688 vf->close(vf);
689 }
690 GBASaveState(context, context->stateDir, controller->m_stateSlot, true);
691 });
692}
693
694void GameController::loadBackupState() {
695 if (!m_backupLoadState) {
696 return;
697 }
698
699 GBARunOnThread(&m_threadContext, [](GBAThread* context) {
700 GameController* controller = static_cast<GameController*>(context->userData);
701 if (GBADeserialize(context->gba, controller->m_backupLoadState)) {
702 GBALog(context->gba, GBA_LOG_STATUS, "Undid state load");
703 controller->frameAvailable(controller->m_drawContext);
704 controller->stateLoaded(context);
705 }
706 delete controller->m_backupLoadState;
707 controller->m_backupLoadState = nullptr;
708 });
709}
710
711void GameController::saveBackupState() {
712 if (m_backupSaveState.isEmpty()) {
713 return;
714 }
715
716 GBARunOnThread(&m_threadContext, [](GBAThread* context) {
717 GameController* controller = static_cast<GameController*>(context->userData);
718 VFile* vf = GBAGetState(context->gba, context->stateDir, controller->m_stateSlot, true);
719 if (vf) {
720 vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
721 vf->close(vf);
722 GBALog(context->gba, GBA_LOG_STATUS, "Undid state save");
723 }
724 controller->m_backupSaveState.clear();
725 });
726}
727
728void GameController::setVideoSync(bool set) {
729 m_videoSync = set;
730 if (!m_turbo) {
731 threadInterrupt();
732 m_threadContext.sync.videoFrameWait = set;
733 threadContinue();
734 }
735}
736
737void GameController::setAudioSync(bool set) {
738 m_audioSync = set;
739 if (!m_turbo) {
740 threadInterrupt();
741 m_threadContext.sync.audioWait = set;
742 threadContinue();
743 }
744}
745
746void GameController::setFrameskip(int skip) {
747 m_threadContext.frameskip = skip;
748}
749
750void GameController::setVolume(int volume) {
751 threadInterrupt();
752 m_threadContext.volume = volume;
753 if (m_gameOpen) {
754 m_threadContext.gba->audio.masterVolume = volume;
755 }
756 threadContinue();
757}
758
759void GameController::setMute(bool mute) {
760 threadInterrupt();
761 m_threadContext.mute = mute;
762 if (m_gameOpen) {
763 m_threadContext.gba->audio.masterVolume = mute ? 0 : m_threadContext.volume;
764 }
765 threadContinue();
766}
767
768void GameController::setTurbo(bool set, bool forced) {
769 if (m_turboForced && !forced) {
770 return;
771 }
772 if (m_turbo == set && m_turboForced == forced) {
773 // Don't interrupt the thread if we don't need to
774 return;
775 }
776 m_turbo = set;
777 m_turboForced = set && forced;
778 enableTurbo();
779}
780
781void GameController::setTurboSpeed(float ratio) {
782 m_turboSpeed = ratio;
783 enableTurbo();
784}
785
786void GameController::enableTurbo() {
787 threadInterrupt();
788 if (!m_turbo) {
789 m_threadContext.fpsTarget = m_fpsTarget;
790 m_threadContext.sync.audioWait = m_audioSync;
791 m_threadContext.sync.videoFrameWait = m_videoSync;
792 } else if (m_turboSpeed <= 0) {
793 m_threadContext.fpsTarget = m_fpsTarget;
794 m_threadContext.sync.audioWait = false;
795 m_threadContext.sync.videoFrameWait = false;
796 } else {
797 m_threadContext.fpsTarget = m_fpsTarget * m_turboSpeed;
798 m_threadContext.sync.audioWait = true;
799 m_threadContext.sync.videoFrameWait = false;
800 }
801 redoSamples(m_audioProcessor->getBufferSamples());
802 threadContinue();
803}
804
805void GameController::setAVStream(GBAAVStream* stream) {
806 threadInterrupt();
807 m_threadContext.stream = stream;
808 if (m_gameOpen) {
809 m_threadContext.gba->stream = stream;
810 }
811 threadContinue();
812}
813
814void GameController::clearAVStream() {
815 threadInterrupt();
816 m_threadContext.stream = nullptr;
817 if (m_gameOpen) {
818 m_threadContext.gba->stream = nullptr;
819 }
820 threadContinue();
821}
822
823#ifdef USE_PNG
824void GameController::screenshot() {
825 GBARunOnThread(&m_threadContext, GBAThreadTakeScreenshot);
826}
827#endif
828
829void GameController::reloadAudioDriver() {
830 QMetaObject::invokeMethod(m_audioProcessor, "pause", Qt::BlockingQueuedConnection);
831 int samples = m_audioProcessor->getBufferSamples();
832 delete m_audioProcessor;
833 m_audioProcessor = AudioProcessor::create();
834 m_audioProcessor->setBufferSamples(samples);
835 m_audioProcessor->moveToThread(m_audioThread);
836 connect(this, SIGNAL(gameStarted(GBAThread*)), m_audioProcessor, SLOT(start()));
837 connect(this, SIGNAL(gameStopped(GBAThread*)), m_audioProcessor, SLOT(pause()));
838 connect(this, SIGNAL(gamePaused(GBAThread*)), m_audioProcessor, SLOT(pause()));
839 connect(this, SIGNAL(gameUnpaused(GBAThread*)), m_audioProcessor, SLOT(start()));
840 if (isLoaded()) {
841 m_audioProcessor->setInput(&m_threadContext);
842 QMetaObject::invokeMethod(m_audioProcessor, "start");
843 }
844}
845
846void GameController::setLuminanceValue(uint8_t value) {
847 m_luxValue = value;
848 value = std::max<int>(value - 0x16, 0);
849 m_luxLevel = 10;
850 for (int i = 0; i < 10; ++i) {
851 if (value < GBA_LUX_LEVELS[i]) {
852 m_luxLevel = i;
853 break;
854 }
855 }
856 emit luminanceValueChanged(m_luxValue);
857}
858
859void GameController::setLuminanceLevel(int level) {
860 int value = 0x16;
861 level = std::max(0, std::min(10, level));
862 if (level > 0) {
863 value += GBA_LUX_LEVELS[level - 1];
864 }
865 setLuminanceValue(value);
866}
867
868void GameController::setRealTime() {
869 m_rtc.override = GBARTCGenericSource::RTC_NO_OVERRIDE;
870}
871
872void GameController::setFixedTime(const QDateTime& time) {
873 m_rtc.override = GBARTCGenericSource::RTC_FIXED;
874 m_rtc.value = time.toMSecsSinceEpoch() / 1000;
875}
876
877void GameController::setFakeEpoch(const QDateTime& time) {
878 m_rtc.override = GBARTCGenericSource::RTC_FAKE_EPOCH;
879 m_rtc.value = time.toMSecsSinceEpoch() / 1000;
880}
881
882void GameController::updateKeys() {
883 int activeKeys = m_activeKeys;
884 activeKeys |= m_activeButtons;
885 activeKeys &= ~m_inactiveKeys;
886 m_threadContext.activeKeys = activeKeys;
887}
888
889void GameController::redoSamples(int samples) {
890#if RESAMPLE_LIBRARY != RESAMPLE_BLIP_BUF
891 float sampleRate = 0x8000;
892 float ratio;
893 if (m_threadContext.gba) {
894 sampleRate = m_threadContext.gba->audio.sampleRate;
895 }
896 ratio = GBAAudioCalculateRatio(sampleRate, m_threadContext.fpsTarget, m_audioProcess->sampleRate());
897 m_threadContext.audioBuffers = ceil(samples / ratio);
898#else
899 m_threadContext.audioBuffers = samples;
900#endif
901 if (m_threadContext.gba) {
902 GBAAudioResizeBuffer(&m_threadContext.gba->audio, m_threadContext.audioBuffers);
903 }
904 QMetaObject::invokeMethod(m_audioProcessor, "inputParametersChanged");
905}
906
907void GameController::setLogLevel(int levels) {
908 threadInterrupt();
909 m_logLevels = levels;
910 threadContinue();
911}
912
913void GameController::enableLogLevel(int levels) {
914 threadInterrupt();
915 m_logLevels |= levels;
916 threadContinue();
917}
918
919void GameController::disableLogLevel(int levels) {
920 threadInterrupt();
921 m_logLevels &= ~levels;
922 threadContinue();
923}
924
925void GameController::pollEvents() {
926 if (!m_inputController) {
927 return;
928 }
929
930 m_activeButtons = m_inputController->pollEvents();
931 updateKeys();
932}