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 * VIDEO_HORIZONTAL_PIXELS])
35 , m_frontBuffer(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_audioChannels{ true, true, true, true, true, true }
52 , m_videoLayers{ true, true, true, true, true }
53 , m_inputController(nullptr)
54 , m_multiplayer(nullptr)
55 , m_stateSlot(1)
56 , m_backupLoadState(nullptr)
57 , m_backupSaveState(nullptr)
58{
59 m_renderer = new GBAVideoSoftwareRenderer;
60 GBAVideoSoftwareRendererCreate(m_renderer);
61 m_renderer->outputBuffer = (color_t*) m_drawContext;
62 m_renderer->outputBufferStride = 256;
63
64 GBACheatDeviceCreate(&m_cheatDevice);
65
66 m_threadContext.state = THREAD_INITIALIZED;
67 m_threadContext.debugger = 0;
68 m_threadContext.frameskip = 0;
69 m_threadContext.bios = 0;
70 m_threadContext.renderer = &m_renderer->d;
71 m_threadContext.userData = this;
72 m_threadContext.rewindBufferCapacity = 0;
73 m_threadContext.cheats = &m_cheatDevice;
74 m_threadContext.logLevel = GBA_LOG_ALL;
75
76 m_lux.p = this;
77 m_lux.sample = [](GBALuminanceSource* context) {
78 GameControllerLux* lux = static_cast<GameControllerLux*>(context);
79 lux->value = 0xFF - lux->p->m_luxValue;
80 };
81
82 m_lux.readLuminance = [](GBALuminanceSource* context) {
83 GameControllerLux* lux = static_cast<GameControllerLux*>(context);
84 return lux->value;
85 };
86 setLuminanceLevel(0);
87
88 m_threadContext.startCallback = [](GBAThread* context) {
89 GameController* controller = static_cast<GameController*>(context->userData);
90 controller->m_audioProcessor->setInput(context);
91 context->gba->luminanceSource = &controller->m_lux;
92 GBARTCGenericSourceInit(&controller->m_rtc, context->gba);
93 context->gba->rtcSource = &controller->m_rtc.d;
94 context->gba->rumble = controller->m_inputController->rumble();
95 context->gba->rotationSource = controller->m_inputController->rotationSource();
96 context->gba->audio.forceDisableCh[0] = !controller->m_audioChannels[0];
97 context->gba->audio.forceDisableCh[1] = !controller->m_audioChannels[1];
98 context->gba->audio.forceDisableCh[2] = !controller->m_audioChannels[2];
99 context->gba->audio.forceDisableCh[3] = !controller->m_audioChannels[3];
100 context->gba->audio.forceDisableChA = !controller->m_audioChannels[4];
101 context->gba->audio.forceDisableChB = !controller->m_audioChannels[5];
102 context->gba->video.renderer->disableBG[0] = !controller->m_videoLayers[0];
103 context->gba->video.renderer->disableBG[1] = !controller->m_videoLayers[1];
104 context->gba->video.renderer->disableBG[2] = !controller->m_videoLayers[2];
105 context->gba->video.renderer->disableBG[3] = !controller->m_videoLayers[3];
106 context->gba->video.renderer->disableOBJ = !controller->m_videoLayers[4];
107 controller->m_fpsTarget = context->fpsTarget;
108
109 if (GBALoadState(context, context->stateDir, 0)) {
110 VFile* vf = GBAGetState(context->gba, context->stateDir, 0, true);
111 if (vf) {
112 vf->truncate(vf, 0);
113 }
114 }
115 controller->gameStarted(context);
116 };
117
118 m_threadContext.cleanCallback = [](GBAThread* context) {
119 GameController* controller = static_cast<GameController*>(context->userData);
120 controller->gameStopped(context);
121 };
122
123 m_threadContext.frameCallback = [](GBAThread* context) {
124 GameController* controller = static_cast<GameController*>(context->userData);
125 if (GBASyncDrawingFrame(&controller->m_threadContext.sync)) {
126 memcpy(controller->m_frontBuffer, controller->m_drawContext, 256 * VIDEO_HORIZONTAL_PIXELS * BYTES_PER_PIXEL);
127 controller->frameAvailable(controller->m_frontBuffer);
128 } else {
129 controller->frameAvailable(nullptr);
130 }
131 if (controller->m_pauseAfterFrame.testAndSetAcquire(true, false)) {
132 GBAThreadPauseFromThread(context);
133 controller->gamePaused(&controller->m_threadContext);
134 }
135 };
136
137 m_threadContext.stopCallback = [](GBAThread* context) {
138 if (!context) {
139 return false;
140 }
141 GameController* controller = static_cast<GameController*>(context->userData);
142 if (!GBASaveState(context, context->stateDir, 0, true)) {
143 return false;
144 }
145 QMetaObject::invokeMethod(controller, "closeGame");
146 return true;
147 };
148
149 m_threadContext.logHandler = [](GBAThread* context, enum GBALogLevel level, const char* format, va_list args) {
150 static const char* stubMessage = "Stub software interrupt: %02X";
151 static const char* savestateMessage = "State %i loaded";
152 static const char* savestateFailedMessage = "State %i failed to load";
153 if (!context) {
154 return;
155 }
156 GameController* controller = static_cast<GameController*>(context->userData);
157 if (level == GBA_LOG_STUB && strncmp(stubMessage, format, strlen(stubMessage)) == 0) {
158 va_list argc;
159 va_copy(argc, args);
160 int immediate = va_arg(argc, int);
161 va_end(argc);
162 controller->unimplementedBiosCall(immediate);
163 } else if (level == GBA_LOG_STATUS) {
164 // Slot 0 is reserved for suspend points
165 if (strncmp(savestateMessage, format, strlen(savestateMessage)) == 0) {
166 va_list argc;
167 va_copy(argc, args);
168 int slot = va_arg(argc, int);
169 va_end(argc);
170 if (slot == 0) {
171 format = "Loaded suspend state";
172 }
173 } else if (strncmp(savestateFailedMessage, format, strlen(savestateFailedMessage)) == 0) {
174 va_list argc;
175 va_copy(argc, args);
176 int slot = va_arg(argc, int);
177 va_end(argc);
178 if (slot == 0) {
179 return;
180 }
181 }
182 }
183 if (level == GBA_LOG_FATAL) {
184 QMetaObject::invokeMethod(controller, "crashGame", Q_ARG(const QString&, QString().vsprintf(format, args)));
185 } else if (!(controller->m_logLevels & level)) {
186 return;
187 }
188 QString message(QString().vsprintf(format, args));
189 if (level == GBA_LOG_STATUS) {
190 controller->statusPosted(message);
191 }
192 controller->postLog(level, message);
193 };
194
195 connect(&m_rewindTimer, &QTimer::timeout, [this]() {
196 GBARewind(&m_threadContext, 1);
197 emit frameAvailable(m_drawContext);
198 emit rewound(&m_threadContext);
199 });
200 m_rewindTimer.setInterval(100);
201
202 m_audioThread->setObjectName("Audio Thread");
203 m_audioThread->start(QThread::TimeCriticalPriority);
204 m_audioProcessor->moveToThread(m_audioThread);
205 connect(this, SIGNAL(gameStarted(GBAThread*)), m_audioProcessor, SLOT(start()));
206 connect(this, SIGNAL(gameStopped(GBAThread*)), m_audioProcessor, SLOT(pause()));
207 connect(this, SIGNAL(gamePaused(GBAThread*)), m_audioProcessor, SLOT(pause()));
208 connect(this, SIGNAL(gameUnpaused(GBAThread*)), m_audioProcessor, SLOT(start()));
209 connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(pollEvents()));
210}
211
212GameController::~GameController() {
213 m_audioThread->quit();
214 m_audioThread->wait();
215 disconnect();
216 clearMultiplayerController();
217 closeGame();
218 GBACheatDeviceDestroy(&m_cheatDevice);
219 delete m_renderer;
220 delete[] m_drawContext;
221 delete[] m_frontBuffer;
222 delete m_backupLoadState;
223}
224
225void GameController::setMultiplayerController(MultiplayerController* controller) {
226 if (controller == m_multiplayer) {
227 return;
228 }
229 clearMultiplayerController();
230 m_multiplayer = controller;
231 controller->attachGame(this);
232}
233
234void GameController::clearMultiplayerController() {
235 if (!m_multiplayer) {
236 return;
237 }
238 m_multiplayer->detachGame(this);
239 m_multiplayer = nullptr;
240}
241
242void GameController::setOverride(const GBACartridgeOverride& override) {
243 m_threadContext.override = override;
244 m_threadContext.hasOverride = true;
245}
246
247void GameController::setOptions(const GBAOptions* opts) {
248 setFrameskip(opts->frameskip);
249 setAudioSync(opts->audioSync);
250 setVideoSync(opts->videoSync);
251 setSkipBIOS(opts->skipBios);
252 setUseBIOS(opts->useBios);
253 setRewind(opts->rewindEnable, opts->rewindBufferCapacity, opts->rewindBufferInterval);
254 setVolume(opts->volume);
255 setMute(opts->mute);
256
257 threadInterrupt();
258 m_threadContext.idleOptimization = opts->idleOptimization;
259 threadContinue();
260}
261
262#ifdef USE_GDB_STUB
263ARMDebugger* GameController::debugger() {
264 return m_threadContext.debugger;
265}
266
267void GameController::setDebugger(ARMDebugger* debugger) {
268 threadInterrupt();
269 if (m_threadContext.debugger && GBAThreadIsActive(&m_threadContext)) {
270 GBADetachDebugger(m_threadContext.gba);
271 }
272 m_threadContext.debugger = debugger;
273 if (m_threadContext.debugger && GBAThreadIsActive(&m_threadContext)) {
274 GBAAttachDebugger(m_threadContext.gba, m_threadContext.debugger);
275 }
276 threadContinue();
277}
278#endif
279
280void GameController::loadGame(const QString& path, bool dirmode) {
281 closeGame();
282 if (!dirmode) {
283 QFile file(path);
284 if (!file.open(QIODevice::ReadOnly)) {
285 postLog(GBA_LOG_ERROR, tr("Failed to open game file: %1").arg(path));
286 return;
287 }
288 file.close();
289 }
290
291 m_fname = path;
292 m_dirmode = dirmode;
293 openGame();
294}
295
296void GameController::bootBIOS() {
297 closeGame();
298 m_fname = QString();
299 m_dirmode = false;
300 openGame(true);
301}
302
303void GameController::openGame(bool biosOnly) {
304 if (biosOnly && (!m_useBios || m_bios.isNull())) {
305 return;
306 }
307
308 m_gameOpen = true;
309
310 m_pauseAfterFrame = false;
311
312 if (m_turbo) {
313 m_threadContext.sync.videoFrameWait = false;
314 m_threadContext.sync.audioWait = false;
315 } else {
316 m_threadContext.sync.videoFrameWait = m_videoSync;
317 m_threadContext.sync.audioWait = m_audioSync;
318 }
319
320 m_threadContext.gameDir = 0;
321 m_threadContext.bootBios = biosOnly;
322 if (biosOnly) {
323 m_threadContext.fname = nullptr;
324 } else {
325 m_threadContext.fname = strdup(m_fname.toUtf8().constData());
326 if (m_dirmode) {
327 m_threadContext.gameDir = VDirOpen(m_threadContext.fname);
328 m_threadContext.stateDir = m_threadContext.gameDir;
329 } else {
330 GBAThreadLoadROM(&m_threadContext, m_threadContext.fname);
331 }
332 }
333
334 if (!m_bios.isNull() && m_useBios) {
335 m_threadContext.bios = VFileDevice::open(m_bios, O_RDONLY);
336 } else {
337 m_threadContext.bios = nullptr;
338 }
339
340 if (!m_patch.isNull()) {
341 m_threadContext.patch = VFileDevice::open(m_patch, O_RDONLY);
342 }
343
344 m_inputController->recalibrateAxes();
345 memset(m_drawContext, 0xF8, 1024 * VIDEO_HORIZONTAL_PIXELS);
346
347 if (!GBAThreadStart(&m_threadContext)) {
348 m_gameOpen = false;
349 emit gameFailed();
350 }
351}
352
353void GameController::loadBIOS(const QString& path) {
354 if (m_bios == path) {
355 return;
356 }
357 m_bios = path;
358 if (m_gameOpen) {
359 closeGame();
360 openGame();
361 }
362}
363
364void GameController::yankPak() {
365 if (!m_gameOpen) {
366 return;
367 }
368 threadInterrupt();
369 GBAYankROM(m_threadContext.gba);
370 threadContinue();
371}
372
373void GameController::replaceGame(const QString& path) {
374 if (!m_gameOpen) {
375 return;
376 }
377
378 m_fname = path;
379 threadInterrupt();
380 m_threadContext.fname = strdup(m_fname.toLocal8Bit().constData());
381 GBAThreadReplaceROM(&m_threadContext, m_threadContext.fname);
382 threadContinue();
383}
384
385void GameController::loadPatch(const QString& path) {
386 if (m_gameOpen) {
387 closeGame();
388 m_patch = path;
389 openGame();
390 } else {
391 m_patch = path;
392 }
393}
394
395void GameController::importSharkport(const QString& path) {
396 if (!m_gameOpen) {
397 return;
398 }
399 VFile* vf = VFileDevice::open(path, O_RDONLY);
400 if (!vf) {
401 postLog(GBA_LOG_ERROR, tr("Failed to open snapshot file for reading: %1").arg(path));
402 return;
403 }
404 threadInterrupt();
405 GBASavedataImportSharkPort(m_threadContext.gba, vf, false);
406 threadContinue();
407 vf->close(vf);
408}
409
410void GameController::exportSharkport(const QString& path) {
411 if (!m_gameOpen) {
412 return;
413 }
414 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
415 if (!vf) {
416 postLog(GBA_LOG_ERROR, tr("Failed to open snapshot file for writing: %1").arg(path));
417 return;
418 }
419 threadInterrupt();
420 GBASavedataExportSharkPort(m_threadContext.gba, vf);
421 threadContinue();
422 vf->close(vf);
423}
424
425void GameController::closeGame() {
426 if (!m_gameOpen) {
427 return;
428 }
429 m_rewindTimer.stop();
430 if (GBAThreadIsPaused(&m_threadContext)) {
431 GBAThreadUnpause(&m_threadContext);
432 }
433 GBAThreadEnd(&m_threadContext);
434 GBAThreadJoin(&m_threadContext);
435 if (m_threadContext.fname) {
436 free(const_cast<char*>(m_threadContext.fname));
437 m_threadContext.fname = nullptr;
438 }
439
440 m_patch = QString();
441
442 for (size_t i = 0; i < GBACheatSetsSize(&m_cheatDevice.cheats); ++i) {
443 GBACheatSet* set = *GBACheatSetsGetPointer(&m_cheatDevice.cheats, i);
444 GBACheatSetDeinit(set);
445 delete set;
446 }
447 GBACheatSetsClear(&m_cheatDevice.cheats);
448
449 m_gameOpen = false;
450 emit gameStopped(&m_threadContext);
451}
452
453void GameController::crashGame(const QString& crashMessage) {
454 closeGame();
455 emit gameCrashed(crashMessage);
456 emit gameStopped(&m_threadContext);
457}
458
459bool GameController::isPaused() {
460 if (!m_gameOpen) {
461 return false;
462 }
463 return GBAThreadIsPaused(&m_threadContext);
464}
465
466void GameController::setPaused(bool paused) {
467 if (!m_gameOpen || m_rewindTimer.isActive() || paused == GBAThreadIsPaused(&m_threadContext)) {
468 return;
469 }
470 if (paused) {
471 m_pauseAfterFrame.testAndSetRelaxed(false, true);
472 } else {
473 GBAThreadUnpause(&m_threadContext);
474 emit gameUnpaused(&m_threadContext);
475 }
476}
477
478void GameController::reset() {
479 GBAThreadReset(&m_threadContext);
480}
481
482void GameController::threadInterrupt() {
483 if (m_gameOpen) {
484 GBAThreadInterrupt(&m_threadContext);
485 }
486}
487
488void GameController::threadContinue() {
489 if (m_gameOpen) {
490 GBAThreadContinue(&m_threadContext);
491 }
492}
493
494void GameController::frameAdvance() {
495 if (m_rewindTimer.isActive()) {
496 return;
497 }
498 if (m_pauseAfterFrame.testAndSetRelaxed(false, true)) {
499 setPaused(false);
500 }
501}
502
503void GameController::setRewind(bool enable, int capacity, int interval) {
504 if (m_gameOpen) {
505 threadInterrupt();
506 GBARewindSettingsChanged(&m_threadContext, enable ? capacity : 0, enable ? interval : 0);
507 threadContinue();
508 } else {
509 if (enable) {
510 m_threadContext.rewindBufferInterval = interval;
511 m_threadContext.rewindBufferCapacity = capacity;
512 } else {
513 m_threadContext.rewindBufferInterval = 0;
514 m_threadContext.rewindBufferCapacity = 0;
515 }
516 }
517}
518
519void GameController::rewind(int states) {
520 threadInterrupt();
521 if (!states) {
522 GBARewindAll(&m_threadContext);
523 } else {
524 GBARewind(&m_threadContext, states);
525 }
526 threadContinue();
527 emit frameAvailable(m_drawContext);
528 emit rewound(&m_threadContext);
529}
530
531void GameController::startRewinding() {
532 if (!m_gameOpen || m_rewindTimer.isActive()) {
533 return;
534 }
535 m_wasPaused = isPaused();
536 bool signalsBlocked = blockSignals(true);
537 setPaused(true);
538 blockSignals(signalsBlocked);
539 m_rewindTimer.start();
540}
541
542void GameController::stopRewinding() {
543 if (!m_rewindTimer.isActive()) {
544 return;
545 }
546 m_rewindTimer.stop();
547 bool signalsBlocked = blockSignals(true);
548 setPaused(m_wasPaused);
549 blockSignals(signalsBlocked);
550}
551
552void GameController::keyPressed(int key) {
553 int mappedKey = 1 << key;
554 m_activeKeys |= mappedKey;
555 if (!m_inputController->allowOpposing()) {
556 if ((m_activeKeys & 0x30) == 0x30) {
557 m_inactiveKeys |= mappedKey ^ 0x30;
558 m_activeKeys ^= mappedKey ^ 0x30;
559 }
560 if ((m_activeKeys & 0xC0) == 0xC0) {
561 m_inactiveKeys |= mappedKey ^ 0xC0;
562 m_activeKeys ^= mappedKey ^ 0xC0;
563 }
564 }
565 updateKeys();
566}
567
568void GameController::keyReleased(int key) {
569 int mappedKey = 1 << key;
570 m_activeKeys &= ~mappedKey;
571 if (!m_inputController->allowOpposing()) {
572 if (mappedKey & 0x30) {
573 m_activeKeys |= m_inactiveKeys & (0x30 ^ mappedKey);
574 m_inactiveKeys &= ~0x30;
575 }
576 if (mappedKey & 0xC0) {
577 m_activeKeys |= m_inactiveKeys & (0xC0 ^ mappedKey);
578 m_inactiveKeys &= ~0xC0;
579 }
580 }
581 updateKeys();
582}
583
584void GameController::clearKeys() {
585 m_activeKeys = 0;
586 m_inactiveKeys = 0;
587 updateKeys();
588}
589
590void GameController::setAudioBufferSamples(int samples) {
591 threadInterrupt();
592 redoSamples(samples);
593 threadContinue();
594 QMetaObject::invokeMethod(m_audioProcessor, "setBufferSamples", Q_ARG(int, samples));
595}
596
597void GameController::setAudioChannelEnabled(int channel, bool enable) {
598 if (channel > 5 || channel < 0) {
599 return;
600 }
601 m_audioChannels[channel] = enable;
602 if (m_gameOpen) {
603 switch (channel) {
604 case 0:
605 case 1:
606 case 2:
607 case 3:
608 m_threadContext.gba->audio.forceDisableCh[channel] = !enable;
609 break;
610 case 4:
611 m_threadContext.gba->audio.forceDisableChA = !enable;
612 break;
613 case 5:
614 m_threadContext.gba->audio.forceDisableChB = !enable;
615 break;
616 }
617 }
618}
619
620void GameController::setVideoLayerEnabled(int layer, bool enable) {
621 if (layer > 4 || layer < 0) {
622 return;
623 }
624 m_videoLayers[layer] = enable;
625 if (m_gameOpen) {
626 switch (layer) {
627 case 0:
628 case 1:
629 case 2:
630 case 3:
631 m_threadContext.gba->video.renderer->disableBG[layer] = !enable;
632 break;
633 case 4:
634 m_threadContext.gba->video.renderer->disableOBJ = !enable;
635 break;
636 }
637 }
638}
639
640void GameController::setFPSTarget(float fps) {
641 threadInterrupt();
642 m_fpsTarget = fps;
643 m_threadContext.fpsTarget = fps;
644 if (m_turbo && m_turboSpeed > 0) {
645 m_threadContext.fpsTarget *= m_turboSpeed;
646 }
647 redoSamples(m_audioProcessor->getBufferSamples());
648 threadContinue();
649}
650
651void GameController::setSkipBIOS(bool set) {
652 threadInterrupt();
653 m_threadContext.skipBios = set;
654 threadContinue();
655}
656
657void GameController::setUseBIOS(bool use) {
658 threadInterrupt();
659 m_useBios = use;
660 threadContinue();
661}
662
663void GameController::loadState(int slot) {
664 if (slot > 0 && slot != m_stateSlot) {
665 m_stateSlot = slot;
666 m_backupSaveState.clear();
667 }
668 GBARunOnThread(&m_threadContext, [](GBAThread* context) {
669 GameController* controller = static_cast<GameController*>(context->userData);
670 if (!controller->m_backupLoadState) {
671 controller->m_backupLoadState = new GBASerializedState;
672 }
673 GBASerialize(context->gba, controller->m_backupLoadState);
674 if (GBALoadState(context, context->stateDir, controller->m_stateSlot)) {
675 controller->frameAvailable(controller->m_drawContext);
676 controller->stateLoaded(context);
677 }
678 });
679}
680
681void GameController::saveState(int slot) {
682 if (slot > 0) {
683 m_stateSlot = slot;
684 }
685 GBARunOnThread(&m_threadContext, [](GBAThread* context) {
686 GameController* controller = static_cast<GameController*>(context->userData);
687 VFile* vf = GBAGetState(context->gba, context->stateDir, controller->m_stateSlot, false);
688 if (vf) {
689 controller->m_backupSaveState.resize(vf->size(vf));
690 vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
691 vf->close(vf);
692 }
693 GBASaveState(context, context->stateDir, controller->m_stateSlot, true);
694 });
695}
696
697void GameController::loadBackupState() {
698 if (!m_backupLoadState) {
699 return;
700 }
701
702 GBARunOnThread(&m_threadContext, [](GBAThread* context) {
703 GameController* controller = static_cast<GameController*>(context->userData);
704 if (GBADeserialize(context->gba, controller->m_backupLoadState)) {
705 GBALog(context->gba, GBA_LOG_STATUS, "Undid state load");
706 controller->frameAvailable(controller->m_drawContext);
707 controller->stateLoaded(context);
708 }
709 delete controller->m_backupLoadState;
710 controller->m_backupLoadState = nullptr;
711 });
712}
713
714void GameController::saveBackupState() {
715 if (m_backupSaveState.isEmpty()) {
716 return;
717 }
718
719 GBARunOnThread(&m_threadContext, [](GBAThread* context) {
720 GameController* controller = static_cast<GameController*>(context->userData);
721 VFile* vf = GBAGetState(context->gba, context->stateDir, controller->m_stateSlot, true);
722 if (vf) {
723 vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
724 vf->close(vf);
725 GBALog(context->gba, GBA_LOG_STATUS, "Undid state save");
726 }
727 controller->m_backupSaveState.clear();
728 });
729}
730
731void GameController::setVideoSync(bool set) {
732 m_videoSync = set;
733 if (!m_turbo) {
734 threadInterrupt();
735 m_threadContext.sync.videoFrameWait = set;
736 threadContinue();
737 }
738}
739
740void GameController::setAudioSync(bool set) {
741 m_audioSync = set;
742 if (!m_turbo) {
743 threadInterrupt();
744 m_threadContext.sync.audioWait = set;
745 threadContinue();
746 }
747}
748
749void GameController::setFrameskip(int skip) {
750 m_threadContext.frameskip = skip;
751}
752
753void GameController::setVolume(int volume) {
754 threadInterrupt();
755 m_threadContext.volume = volume;
756 if (m_gameOpen) {
757 m_threadContext.gba->audio.masterVolume = volume;
758 }
759 threadContinue();
760}
761
762void GameController::setMute(bool mute) {
763 threadInterrupt();
764 m_threadContext.mute = mute;
765 if (m_gameOpen) {
766 m_threadContext.gba->audio.masterVolume = mute ? 0 : m_threadContext.volume;
767 }
768 threadContinue();
769}
770
771void GameController::setTurbo(bool set, bool forced) {
772 if (m_turboForced && !forced) {
773 return;
774 }
775 if (m_turbo == set && m_turboForced == forced) {
776 // Don't interrupt the thread if we don't need to
777 return;
778 }
779 m_turbo = set;
780 m_turboForced = set && forced;
781 enableTurbo();
782}
783
784void GameController::setTurboSpeed(float ratio) {
785 m_turboSpeed = ratio;
786 enableTurbo();
787}
788
789void GameController::enableTurbo() {
790 threadInterrupt();
791 if (!m_turbo) {
792 m_threadContext.fpsTarget = m_fpsTarget;
793 m_threadContext.sync.audioWait = m_audioSync;
794 m_threadContext.sync.videoFrameWait = m_videoSync;
795 } else if (m_turboSpeed <= 0) {
796 m_threadContext.fpsTarget = m_fpsTarget;
797 m_threadContext.sync.audioWait = false;
798 m_threadContext.sync.videoFrameWait = false;
799 } else {
800 m_threadContext.fpsTarget = m_fpsTarget * m_turboSpeed;
801 m_threadContext.sync.audioWait = true;
802 m_threadContext.sync.videoFrameWait = false;
803 }
804 redoSamples(m_audioProcessor->getBufferSamples());
805 threadContinue();
806}
807
808void GameController::setAVStream(GBAAVStream* stream) {
809 threadInterrupt();
810 m_threadContext.stream = stream;
811 if (m_gameOpen) {
812 m_threadContext.gba->stream = stream;
813 }
814 threadContinue();
815}
816
817void GameController::clearAVStream() {
818 threadInterrupt();
819 m_threadContext.stream = nullptr;
820 if (m_gameOpen) {
821 m_threadContext.gba->stream = nullptr;
822 }
823 threadContinue();
824}
825
826#ifdef USE_PNG
827void GameController::screenshot() {
828 GBARunOnThread(&m_threadContext, GBAThreadTakeScreenshot);
829}
830#endif
831
832void GameController::reloadAudioDriver() {
833 QMetaObject::invokeMethod(m_audioProcessor, "pause", Qt::BlockingQueuedConnection);
834 int samples = m_audioProcessor->getBufferSamples();
835 delete m_audioProcessor;
836 m_audioProcessor = AudioProcessor::create();
837 m_audioProcessor->setBufferSamples(samples);
838 m_audioProcessor->moveToThread(m_audioThread);
839 connect(this, SIGNAL(gameStarted(GBAThread*)), m_audioProcessor, SLOT(start()));
840 connect(this, SIGNAL(gameStopped(GBAThread*)), m_audioProcessor, SLOT(pause()));
841 connect(this, SIGNAL(gamePaused(GBAThread*)), m_audioProcessor, SLOT(pause()));
842 connect(this, SIGNAL(gameUnpaused(GBAThread*)), m_audioProcessor, SLOT(start()));
843 if (isLoaded()) {
844 m_audioProcessor->setInput(&m_threadContext);
845 QMetaObject::invokeMethod(m_audioProcessor, "start");
846 }
847}
848
849void GameController::setLuminanceValue(uint8_t value) {
850 m_luxValue = value;
851 value = std::max<int>(value - 0x16, 0);
852 m_luxLevel = 10;
853 for (int i = 0; i < 10; ++i) {
854 if (value < GBA_LUX_LEVELS[i]) {
855 m_luxLevel = i;
856 break;
857 }
858 }
859 emit luminanceValueChanged(m_luxValue);
860}
861
862void GameController::setLuminanceLevel(int level) {
863 int value = 0x16;
864 level = std::max(0, std::min(10, level));
865 if (level > 0) {
866 value += GBA_LUX_LEVELS[level - 1];
867 }
868 setLuminanceValue(value);
869}
870
871void GameController::setRealTime() {
872 m_rtc.override = GBARTCGenericSource::RTC_NO_OVERRIDE;
873}
874
875void GameController::setFixedTime(const QDateTime& time) {
876 m_rtc.override = GBARTCGenericSource::RTC_FIXED;
877 m_rtc.value = time.toMSecsSinceEpoch() / 1000;
878}
879
880void GameController::setFakeEpoch(const QDateTime& time) {
881 m_rtc.override = GBARTCGenericSource::RTC_FAKE_EPOCH;
882 m_rtc.value = time.toMSecsSinceEpoch() / 1000;
883}
884
885void GameController::updateKeys() {
886 int activeKeys = m_activeKeys;
887 activeKeys |= m_activeButtons;
888 activeKeys &= ~m_inactiveKeys;
889 m_threadContext.activeKeys = activeKeys;
890}
891
892void GameController::redoSamples(int samples) {
893#if RESAMPLE_LIBRARY != RESAMPLE_BLIP_BUF
894 float sampleRate = 0x8000;
895 float ratio;
896 if (m_threadContext.gba) {
897 sampleRate = m_threadContext.gba->audio.sampleRate;
898 }
899 ratio = GBAAudioCalculateRatio(sampleRate, m_threadContext.fpsTarget, m_audioProcess->sampleRate());
900 m_threadContext.audioBuffers = ceil(samples / ratio);
901#else
902 m_threadContext.audioBuffers = samples;
903#endif
904 if (m_threadContext.gba) {
905 GBAAudioResizeBuffer(&m_threadContext.gba->audio, m_threadContext.audioBuffers);
906 }
907 QMetaObject::invokeMethod(m_audioProcessor, "inputParametersChanged");
908}
909
910void GameController::setLogLevel(int levels) {
911 threadInterrupt();
912 m_logLevels = levels;
913 threadContinue();
914}
915
916void GameController::enableLogLevel(int levels) {
917 threadInterrupt();
918 m_logLevels |= levels;
919 threadContinue();
920}
921
922void GameController::disableLogLevel(int levels) {
923 threadInterrupt();
924 m_logLevels &= ~levels;
925 threadContinue();
926}
927
928void GameController::pollEvents() {
929 if (!m_inputController) {
930 return;
931 }
932
933 m_activeButtons = m_inputController->pollEvents();
934 updateKeys();
935}