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#include "core/serialize.h"
24#ifdef M_CORE_GBA
25#include "gba/bios.h"
26#include "gba/core.h"
27#include "gba/gba.h"
28#include "gba/extra/sharkport.h"
29#endif
30#ifdef M_CORE_GB
31#include "gb/gb.h"
32#endif
33#include "util/vfs.h"
34}
35
36using namespace QGBA;
37using namespace std;
38
39GameController::GameController(QObject* parent)
40 : QObject(parent)
41 , m_drawContext(nullptr)
42 , m_frontBuffer(nullptr)
43 , m_threadContext()
44 , m_activeKeys(0)
45 , m_inactiveKeys(0)
46 , m_logLevels(0)
47 , m_gameOpen(false)
48 , m_vf(nullptr)
49 , m_useBios(false)
50 , m_audioThread(new QThread(this))
51 , m_audioProcessor(AudioProcessor::create())
52 , m_pauseAfterFrame(false)
53 , m_sync(true)
54 , m_videoSync(VIDEO_SYNC)
55 , m_audioSync(AUDIO_SYNC)
56 , m_fpsTarget(-1)
57 , m_turbo(false)
58 , m_turboForced(false)
59 , m_turboSpeed(-1)
60 , m_wasPaused(false)
61 , m_audioChannels{ true, true, true, true, true, true }
62 , m_videoLayers{ true, true, true, true, true }
63 , m_autofire{}
64 , m_autofireStatus{}
65 , m_inputController(nullptr)
66 , m_multiplayer(nullptr)
67 , m_stream(nullptr)
68 , m_stateSlot(1)
69 , m_backupLoadState(nullptr)
70 , m_backupSaveState(nullptr)
71 , m_saveStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_CHEATS)
72 , m_loadStateFlags(SAVESTATE_SCREENSHOT)
73{
74#ifdef M_CORE_GBA
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#endif
87
88 m_threadContext.startCallback = [](mCoreThread* context) {
89 GameController* controller = static_cast<GameController*>(context->userData);
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
135 controller->m_gameOpen = true;
136 if (controller->m_multiplayer) {
137 controller->m_multiplayer->attachGame(controller);
138 }
139
140 QMetaObject::invokeMethod(controller, "gameStarted", Q_ARG(mCoreThread*, context), Q_ARG(const QString&, controller->m_fname));
141 QMetaObject::invokeMethod(controller, "startAudio");
142 };
143
144 m_threadContext.resetCallback = [](mCoreThread* context) {
145 GameController* controller = static_cast<GameController*>(context->userData);
146 for (auto action : controller->m_resetActions) {
147 action();
148 }
149 controller->m_resetActions.clear();
150
151 unsigned width, height;
152 controller->m_threadContext.core->desiredVideoDimensions(controller->m_threadContext.core, &width, &height);
153 memset(controller->m_frontBuffer, 0xF8, width * height * BYTES_PER_PIXEL);
154 QMetaObject::invokeMethod(controller, "frameAvailable", Q_ARG(const uint32_t*, controller->m_frontBuffer));
155 if (controller->m_pauseAfterFrame.testAndSetAcquire(true, false)) {
156 mCoreThreadPauseFromThread(context);
157 QMetaObject::invokeMethod(controller, "gamePaused", Q_ARG(mCoreThread*, context));
158 }
159 };
160
161 m_threadContext.cleanCallback = [](mCoreThread* context) {
162 GameController* controller = static_cast<GameController*>(context->userData);
163 QMetaObject::invokeMethod(controller, "gameStopped", Q_ARG(mCoreThread*, context));
164 QMetaObject::invokeMethod(controller, "cleanGame");
165 };
166
167 m_threadContext.frameCallback = [](mCoreThread* context) {
168 GameController* controller = static_cast<GameController*>(context->userData);
169 unsigned width, height;
170 controller->m_threadContext.core->desiredVideoDimensions(controller->m_threadContext.core, &width, &height);
171 memcpy(controller->m_frontBuffer, controller->m_drawContext, width * height * BYTES_PER_PIXEL);
172 QMetaObject::invokeMethod(controller, "frameAvailable", Q_ARG(const uint32_t*, controller->m_frontBuffer));
173 if (controller->m_pauseAfterFrame.testAndSetAcquire(true, false)) {
174 mCoreThreadPauseFromThread(context);
175 QMetaObject::invokeMethod(controller, "gamePaused", Q_ARG(mCoreThread*, context));
176 }
177 };
178
179 // TODO: Put back
180 /*m_threadContext.stopCallback = [](mCoreThread* context) {
181 if (!context) {
182 return false;
183 }
184 GameController* controller = static_cast<GameController*>(context->userData);
185 if (!mCoreSaveState(context->core, 0, controller->m_saveStateFlags)) {
186 return false;
187 }
188 QMetaObject::invokeMethod(controller, "closeGame");
189 return true;
190 };*/
191
192 m_threadContext.logger.d.log = [](mLogger* logger, int category, enum mLogLevel level, const char* format, va_list args) {
193 mThreadLogger* logContext = reinterpret_cast<mThreadLogger*>(logger);
194 mCoreThread* context = logContext->p;
195
196 static const char* savestateMessage = "State %i loaded";
197 static const char* savestateFailedMessage = "State %i failed to load";
198 if (!context) {
199 return;
200 }
201 GameController* controller = static_cast<GameController*>(context->userData);
202#ifdef M_CORE_GBA
203 if (level == mLOG_STUB && category == _mLOG_CAT_GBA_BIOS()) {
204 va_list argc;
205 va_copy(argc, args);
206 int immediate = va_arg(argc, int);
207 va_end(argc);
208 QMetaObject::invokeMethod(controller, "unimplementedBiosCall", Q_ARG(int, immediate));
209 } else
210#endif
211 if (category == _mLOG_CAT_STATUS()) {
212 // Slot 0 is reserved for suspend points
213 if (strncmp(savestateMessage, format, strlen(savestateMessage)) == 0) {
214 va_list argc;
215 va_copy(argc, args);
216 int slot = va_arg(argc, int);
217 va_end(argc);
218 if (slot == 0) {
219 format = "Loaded suspend state";
220 }
221 } else if (strncmp(savestateFailedMessage, format, strlen(savestateFailedMessage)) == 0) {
222 va_list argc;
223 va_copy(argc, args);
224 int slot = va_arg(argc, int);
225 va_end(argc);
226 if (slot == 0) {
227 return;
228 }
229 }
230 }
231 if (level == mLOG_FATAL) {
232 mCoreThreadMarkCrashed(controller->thread());
233 QMetaObject::invokeMethod(controller, "crashGame", Q_ARG(const QString&, QString().vsprintf(format, args)));
234 } else if (!(controller->m_logLevels & level)) {
235 return;
236 }
237 QString message(QString().vsprintf(format, args));
238 if (category == _mLOG_CAT_STATUS()) {
239 QMetaObject::invokeMethod(controller, "statusPosted", Q_ARG(const QString&, message));
240 }
241 QMetaObject::invokeMethod(controller, "postLog", Q_ARG(int, level), Q_ARG(int, category), Q_ARG(const QString&, message));
242 };
243
244 m_threadContext.userData = this;
245
246 m_audioThread->setObjectName("Audio Thread");
247 m_audioThread->start(QThread::TimeCriticalPriority);
248 m_audioProcessor->moveToThread(m_audioThread);
249 connect(this, SIGNAL(gamePaused(mCoreThread*)), m_audioProcessor, SLOT(pause()));
250 connect(this, SIGNAL(gameStarted(mCoreThread*, const QString&)), m_audioProcessor, SLOT(setInput(mCoreThread*)));
251 connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(pollEvents()));
252 connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(updateAutofire()));
253}
254
255GameController::~GameController() {
256 disconnect();
257 closeGame();
258 m_audioThread->quit();
259 m_audioThread->wait();
260 clearMultiplayerController();
261 delete m_backupLoadState;
262}
263
264void GameController::setMultiplayerController(MultiplayerController* controller) {
265 if (controller == m_multiplayer) {
266 return;
267 }
268 clearMultiplayerController();
269 m_multiplayer = controller;
270 if (isLoaded()) {
271 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* thread) {
272 GameController* controller = static_cast<GameController*>(thread->userData);
273 controller->m_multiplayer->attachGame(controller);
274 });
275 }
276}
277
278void GameController::clearMultiplayerController() {
279 if (!m_multiplayer) {
280 return;
281 }
282 m_multiplayer->detachGame(this);
283 m_multiplayer = nullptr;
284}
285
286void GameController::setOverride(const GBACartridgeOverride& override) {
287 // TODO: Put back overrides
288}
289
290void GameController::setConfig(const mCoreConfig* config) {
291 m_config = config;
292 if (isLoaded()) {
293 threadInterrupt();
294 mCoreLoadForeignConfig(m_threadContext.core, config);
295 m_audioProcessor->setInput(&m_threadContext);
296 threadContinue();
297 }
298}
299
300#ifdef USE_GDB_STUB
301mDebugger* GameController::debugger() {
302 if (!isLoaded()) {
303 return nullptr;
304 }
305 return m_threadContext.core->debugger;
306}
307
308void GameController::setDebugger(mDebugger* debugger) {
309 threadInterrupt();
310 if (debugger) {
311 mDebuggerAttach(debugger, m_threadContext.core);
312 } else {
313 m_threadContext.core->detachDebugger(m_threadContext.core);
314 }
315 threadContinue();
316}
317#endif
318
319void GameController::loadGame(const QString& path) {
320 closeGame();
321 QFileInfo info(path);
322 if (!info.isReadable()) {
323 LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
324 return;
325 }
326 m_fname = info.canonicalFilePath();
327 m_vf = nullptr;
328 openGame();
329}
330
331void GameController::loadGame(VFile* vf, const QString& base) {
332 closeGame();
333 m_fname = base;
334 m_vf = vf;
335 openGame();
336}
337
338void GameController::bootBIOS() {
339 closeGame();
340 m_fname = QString();
341 openGame(true);
342}
343
344void GameController::openGame(bool biosOnly) {
345 if (m_fname.isEmpty()) {
346 biosOnly = true;
347 }
348 if (biosOnly && (!m_useBios || m_bios.isNull())) {
349 return;
350 }
351 if (isLoaded()) {
352 // We need to delay if the game is still cleaning up
353 QTimer::singleShot(10, this, SLOT(openGame()));
354 return;
355 } else if(m_gameOpen) {
356 cleanGame();
357 }
358
359 if (!biosOnly) {
360 if (m_vf) {
361 m_threadContext.core = mCoreFindVF(m_vf);
362 } else {
363 m_threadContext.core = mCoreFind(m_fname.toUtf8().constData());
364 }
365 } else {
366 m_threadContext.core = GBACoreCreate();
367 }
368
369 if (!m_threadContext.core) {
370 return;
371 }
372
373 m_pauseAfterFrame = false;
374
375 if (m_turbo) {
376 m_threadContext.sync.videoFrameWait = false;
377 m_threadContext.sync.audioWait = false;
378 } else {
379 m_threadContext.sync.videoFrameWait = m_videoSync;
380 m_threadContext.sync.audioWait = m_audioSync;
381 }
382 m_threadContext.core->init(m_threadContext.core);
383
384 unsigned width, height;
385 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
386 m_drawContext = new uint32_t[width * height];
387 m_frontBuffer = new uint32_t[width * height];
388
389 QByteArray bytes;
390 if (!biosOnly) {
391 bytes = m_fname.toUtf8();
392 if (m_vf) {
393 m_threadContext.core->loadROM(m_threadContext.core, m_vf);
394 } else {
395 mCoreLoadFile(m_threadContext.core, bytes.constData());
396 mDirectorySetDetachBase(&m_threadContext.core->dirs);
397 }
398 } else {
399 bytes = m_bios.toUtf8();
400 }
401 char dirname[PATH_MAX];
402 separatePath(bytes.constData(), dirname, m_threadContext.core->dirs.baseName, 0);
403 mDirectorySetAttachBase(&m_threadContext.core->dirs, VDirOpen(dirname));
404
405 m_threadContext.core->setVideoBuffer(m_threadContext.core, m_drawContext, width);
406
407 if (!m_bios.isNull() && m_useBios) {
408 VFile* bios = VFileDevice::open(m_bios, O_RDONLY);
409 if (bios && !m_threadContext.core->loadBIOS(m_threadContext.core, bios, 0)) {
410 bios->close(bios);
411 }
412 }
413
414 m_inputController->recalibrateAxes();
415 memset(m_drawContext, 0xF8, width * height * 4);
416
417 m_threadContext.core->setAVStream(m_threadContext.core, m_stream);
418
419 if (m_config) {
420 mCoreLoadForeignConfig(m_threadContext.core, m_config);
421 }
422
423 if (!biosOnly) {
424 mCoreAutoloadSave(m_threadContext.core);
425 if (!m_patch.isNull()) {
426 VFile* patch = VFileDevice::open(m_patch, O_RDONLY);
427 if (patch) {
428 m_threadContext.core->loadPatch(m_threadContext.core, patch);
429 }
430 patch->close(patch);
431 } else {
432 mCoreAutoloadPatch(m_threadContext.core);
433 }
434 }
435 m_vf = nullptr;
436
437 if (!mCoreThreadStart(&m_threadContext)) {
438 emit gameFailed();
439 }
440}
441
442void GameController::loadBIOS(const QString& path) {
443 if (m_bios == path) {
444 return;
445 }
446 m_bios = path;
447 if (m_gameOpen) {
448 closeGame();
449 openGame();
450 }
451}
452
453void GameController::loadSave(const QString& path, bool temporary) {
454 if (!isLoaded()) {
455 return;
456 }
457 m_resetActions.append([this, path, temporary]() {
458 VFile* vf = VFileDevice::open(path, temporary ? O_RDONLY : O_RDWR);
459 if (!vf) {
460 LOG(QT, ERROR) << tr("Failed to open save file: %1").arg(path);
461 return;
462 }
463
464 if (temporary) {
465 m_threadContext.core->loadTemporarySave(m_threadContext.core, vf);
466 } else {
467 m_threadContext.core->loadSave(m_threadContext.core, vf);
468 }
469 });
470 reset();
471}
472
473void GameController::yankPak() {
474 if (!m_gameOpen) {
475 return;
476 }
477 threadInterrupt();
478 GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
479 threadContinue();
480}
481
482void GameController::replaceGame(const QString& path) {
483 if (!m_gameOpen) {
484 return;
485 }
486
487 QFileInfo info(path);
488 if (!info.isReadable()) {
489 LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
490 return;
491 }
492 m_fname = info.canonicalFilePath();
493 threadInterrupt();
494 mCoreLoadFile(m_threadContext.core, m_fname.toLocal8Bit().constData());
495 threadContinue();
496}
497
498void GameController::loadPatch(const QString& path) {
499 if (m_gameOpen) {
500 closeGame();
501 m_patch = path;
502 openGame();
503 } else {
504 m_patch = path;
505 }
506}
507
508void GameController::importSharkport(const QString& path) {
509 if (!isLoaded()) {
510 return;
511 }
512#ifdef M_CORE_GBA
513 if (platform() != PLATFORM_GBA) {
514 return;
515 }
516 VFile* vf = VFileDevice::open(path, O_RDONLY);
517 if (!vf) {
518 LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
519 return;
520 }
521 threadInterrupt();
522 GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
523 threadContinue();
524 vf->close(vf);
525#endif
526}
527
528void GameController::exportSharkport(const QString& path) {
529 if (!isLoaded()) {
530 return;
531 }
532#ifdef M_CORE_GBA
533 if (platform() != PLATFORM_GBA) {
534 return;
535 }
536 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
537 if (!vf) {
538 LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
539 return;
540 }
541 threadInterrupt();
542 GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
543 threadContinue();
544 vf->close(vf);
545#endif
546}
547
548void GameController::closeGame() {
549 if (!m_gameOpen) {
550 return;
551 }
552 if (m_multiplayer) {
553 m_multiplayer->detachGame(this);
554 }
555
556 if (mCoreThreadIsPaused(&m_threadContext)) {
557 mCoreThreadUnpause(&m_threadContext);
558 }
559 QMetaObject::invokeMethod(m_audioProcessor, "pause", Qt::BlockingQueuedConnection);
560 mCoreThreadEnd(&m_threadContext);
561}
562
563void GameController::cleanGame() {
564 if (!m_gameOpen || mCoreThreadIsActive(&m_threadContext)) {
565 return;
566 }
567 mCoreThreadJoin(&m_threadContext);
568
569 delete[] m_drawContext;
570 delete[] m_frontBuffer;
571
572 m_patch = QString();
573
574 m_threadContext.core->deinit(m_threadContext.core);
575 m_gameOpen = false;
576}
577
578void GameController::crashGame(const QString& crashMessage) {
579 closeGame();
580 emit gameCrashed(crashMessage);
581}
582
583bool GameController::isPaused() {
584 if (!m_gameOpen) {
585 return false;
586 }
587 return mCoreThreadIsPaused(&m_threadContext);
588}
589
590mPlatform GameController::platform() const {
591 if (!m_gameOpen) {
592 return PLATFORM_NONE;
593 }
594 return m_threadContext.core->platform(m_threadContext.core);
595}
596
597QSize GameController::screenDimensions() const {
598 if (!m_gameOpen) {
599 return QSize();
600 }
601 unsigned width, height;
602 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
603
604 return QSize(width, height);
605}
606
607void GameController::setPaused(bool paused) {
608 if (!isLoaded() || paused == mCoreThreadIsPaused(&m_threadContext)) {
609 return;
610 }
611 m_wasPaused = paused;
612 if (paused) {
613 m_pauseAfterFrame.testAndSetRelaxed(false, true);
614 } else {
615 mCoreThreadUnpause(&m_threadContext);
616 startAudio();
617 emit gameUnpaused(&m_threadContext);
618 }
619}
620
621void GameController::reset() {
622 if (!m_gameOpen) {
623 return;
624 }
625 bool wasPaused = isPaused();
626 setPaused(false);
627 threadInterrupt();
628 mCoreThreadReset(&m_threadContext);
629 if (wasPaused) {
630 setPaused(true);
631 }
632 threadContinue();
633}
634
635void GameController::threadInterrupt() {
636 if (m_gameOpen) {
637 mCoreThreadInterrupt(&m_threadContext);
638 }
639}
640
641void GameController::threadContinue() {
642 if (m_gameOpen) {
643 mCoreThreadContinue(&m_threadContext);
644 }
645}
646
647void GameController::frameAdvance() {
648 if (m_pauseAfterFrame.testAndSetRelaxed(false, true)) {
649 setPaused(false);
650 }
651}
652
653void GameController::setRewind(bool enable, int capacity) {
654 if (m_gameOpen) {
655 threadInterrupt();
656 // TODO: Put back rewind
657 threadContinue();
658 } else {
659 // TODO: Put back rewind
660 }
661}
662
663void GameController::rewind(int states) {
664 threadInterrupt();
665 if (!states) {
666 states = INT_MAX;
667 }
668 for (int i = 0; i < states; ++i) {
669 if (!mCoreRewindRestore(&m_threadContext.rewind, m_threadContext.core)) {
670 break;
671 }
672 }
673 threadContinue();
674 emit frameAvailable(m_drawContext);
675 emit rewound(&m_threadContext);
676}
677
678void GameController::startRewinding() {
679 if (!isLoaded()) {
680 return;
681 }
682 if (m_multiplayer && m_multiplayer->attached() > 1) {
683 return;
684 }
685 if (m_wasPaused) {
686 setPaused(false);
687 m_wasPaused = true;
688 }
689 mCoreThreadSetRewinding(&m_threadContext, true);
690}
691
692void GameController::stopRewinding() {
693 if (!isLoaded()) {
694 return;
695 }
696 mCoreThreadSetRewinding(&m_threadContext, false);
697 bool signalsBlocked = blockSignals(true);
698 setPaused(m_wasPaused);
699 blockSignals(signalsBlocked);
700}
701
702void GameController::keyPressed(int key) {
703 int mappedKey = 1 << key;
704 m_activeKeys |= mappedKey;
705 if (!m_inputController->allowOpposing()) {
706 if ((m_activeKeys & 0x30) == 0x30) {
707 m_inactiveKeys |= mappedKey ^ 0x30;
708 m_activeKeys ^= mappedKey ^ 0x30;
709 }
710 if ((m_activeKeys & 0xC0) == 0xC0) {
711 m_inactiveKeys |= mappedKey ^ 0xC0;
712 m_activeKeys ^= mappedKey ^ 0xC0;
713 }
714 }
715 updateKeys();
716}
717
718void GameController::keyReleased(int key) {
719 int mappedKey = 1 << key;
720 m_activeKeys &= ~mappedKey;
721 if (!m_inputController->allowOpposing()) {
722 if (mappedKey & 0x30) {
723 m_activeKeys |= m_inactiveKeys & (0x30 ^ mappedKey);
724 m_inactiveKeys &= ~0x30;
725 }
726 if (mappedKey & 0xC0) {
727 m_activeKeys |= m_inactiveKeys & (0xC0 ^ mappedKey);
728 m_inactiveKeys &= ~0xC0;
729 }
730 }
731 updateKeys();
732}
733
734void GameController::clearKeys() {
735 m_activeKeys = 0;
736 m_inactiveKeys = 0;
737 updateKeys();
738}
739
740void GameController::setAutofire(int key, bool enable) {
741 if (key >= GBA_KEY_MAX || key < 0) {
742 return;
743 }
744
745 if (!enable && m_autofireStatus[key]) {
746 keyReleased(key);
747 }
748
749 m_autofire[key] = enable;
750 m_autofireStatus[key] = 0;
751}
752
753void GameController::setAudioBufferSamples(int samples) {
754 if (m_audioProcessor) {
755 threadInterrupt();
756 redoSamples(samples);
757 threadContinue();
758 QMetaObject::invokeMethod(m_audioProcessor, "setBufferSamples", Qt::BlockingQueuedConnection, Q_ARG(int, samples));
759 }
760}
761
762void GameController::setAudioSampleRate(unsigned rate) {
763 if (!rate) {
764 return;
765 }
766 if (m_audioProcessor) {
767 threadInterrupt();
768 redoSamples(m_audioProcessor->getBufferSamples());
769 threadContinue();
770 QMetaObject::invokeMethod(m_audioProcessor, "requestSampleRate", Q_ARG(unsigned, rate));
771 }
772}
773
774void GameController::setAudioChannelEnabled(int channel, bool enable) {
775 if (channel > 5 || channel < 0) {
776 return;
777 }
778#ifdef M_CORE_GBA
779 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
780#endif
781#ifdef M_CORE_GB
782 GB* gb = static_cast<GB*>(m_threadContext.core->board);
783#endif
784 m_audioChannels[channel] = enable;
785 if (isLoaded()) {
786 switch (channel) {
787 case 0:
788 case 1:
789 case 2:
790 case 3:
791 switch (m_threadContext.core->platform(m_threadContext.core)) {
792#ifdef M_CORE_GBA
793 case PLATFORM_GBA:
794 gba->audio.psg.forceDisableCh[channel] = !enable;
795 break;
796#endif
797#ifdef M_CORE_GB
798 case PLATFORM_GB:
799 gb->audio.forceDisableCh[channel] = !enable;
800 break;
801#endif
802 default:
803 break;
804 }
805 break;
806#ifdef M_CORE_GBA
807 case 4:
808 if (m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
809 gba->audio.forceDisableChA = !enable;
810 }
811 break;
812 case 5:
813 if (m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
814 gba->audio.forceDisableChB = !enable;
815 }
816 break;
817#endif
818 }
819 }
820}
821
822void GameController::startAudio() {
823 bool started = false;
824 QMetaObject::invokeMethod(m_audioProcessor, "start", Qt::BlockingQueuedConnection, Q_RETURN_ARG(bool, started));
825 if (!started) {
826 LOG(QT, ERROR) << tr("Failed to start audio processor");
827 // Don't freeze!
828 m_audioSync = false;
829 m_videoSync = true;
830 m_threadContext.sync.audioWait = false;
831 m_threadContext.sync.videoFrameWait = true;
832 }
833}
834
835void GameController::setVideoLayerEnabled(int layer, bool enable) {
836 if (layer > 4 || layer < 0) {
837 return;
838 }
839 m_videoLayers[layer] = enable;
840#ifdef M_CORE_GBA
841 if (isLoaded() && m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
842 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
843 switch (layer) {
844 case 0:
845 case 1:
846 case 2:
847 case 3:
848 gba->video.renderer->disableBG[layer] = !enable;
849 break;
850 case 4:
851 gba->video.renderer->disableOBJ = !enable;
852 break;
853 }
854 }
855#endif
856}
857
858void GameController::setFPSTarget(float fps) {
859 threadInterrupt();
860 m_fpsTarget = fps;
861 m_threadContext.sync.fpsTarget = fps;
862 if (m_turbo && m_turboSpeed > 0) {
863 m_threadContext.sync.fpsTarget *= m_turboSpeed;
864 }
865 if (m_audioProcessor) {
866 redoSamples(m_audioProcessor->getBufferSamples());
867 }
868 threadContinue();
869}
870
871void GameController::setUseBIOS(bool use) {
872 if (use == m_useBios) {
873 return;
874 }
875 m_useBios = use;
876 if (m_gameOpen) {
877 closeGame();
878 openGame();
879 }
880}
881
882void GameController::loadState(int slot) {
883 if (m_fname.isEmpty()) {
884 // We're in the BIOS
885 return;
886 }
887 if (slot > 0 && slot != m_stateSlot) {
888 m_stateSlot = slot;
889 m_backupSaveState.clear();
890 }
891 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
892 GameController* controller = static_cast<GameController*>(context->userData);
893 if (!controller->m_backupLoadState) {
894 controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
895 }
896 mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
897 if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
898 controller->frameAvailable(controller->m_drawContext);
899 controller->stateLoaded(context);
900 }
901 });
902}
903
904void GameController::saveState(int slot) {
905 if (m_fname.isEmpty()) {
906 // We're in the BIOS
907 return;
908 }
909 if (slot > 0) {
910 m_stateSlot = slot;
911 }
912 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
913 GameController* controller = static_cast<GameController*>(context->userData);
914 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, false);
915 if (vf) {
916 controller->m_backupSaveState.resize(vf->size(vf));
917 vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
918 vf->close(vf);
919 }
920 mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
921 });
922}
923
924void GameController::loadBackupState() {
925 if (!m_backupLoadState) {
926 return;
927 }
928
929 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
930 GameController* controller = static_cast<GameController*>(context->userData);
931 controller->m_backupLoadState->seek(controller->m_backupLoadState, 0, SEEK_SET);
932 if (mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
933 mLOG(STATUS, INFO, "Undid state load");
934 controller->frameAvailable(controller->m_drawContext);
935 controller->stateLoaded(context);
936 }
937 controller->m_backupLoadState->close(controller->m_backupLoadState);
938 controller->m_backupLoadState = nullptr;
939 });
940}
941
942void GameController::saveBackupState() {
943 if (m_backupSaveState.isEmpty()) {
944 return;
945 }
946
947 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
948 GameController* controller = static_cast<GameController*>(context->userData);
949 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, true);
950 if (vf) {
951 vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
952 vf->close(vf);
953 mLOG(STATUS, INFO, "Undid state save");
954 }
955 controller->m_backupSaveState.clear();
956 });
957}
958
959void GameController::setTurbo(bool set, bool forced) {
960 if (m_turboForced && !forced) {
961 return;
962 }
963 if (m_turbo == set && m_turboForced == (set && forced)) {
964 // Don't interrupt the thread if we don't need to
965 return;
966 }
967 if (!m_sync) {
968 return;
969 }
970 m_turbo = set;
971 m_turboForced = set && forced;
972 enableTurbo();
973}
974
975void GameController::setTurboSpeed(float ratio) {
976 m_turboSpeed = ratio;
977 enableTurbo();
978}
979
980void GameController::enableTurbo() {
981 threadInterrupt();
982 bool shouldRedoSamples = false;
983 if (!m_turbo) {
984 shouldRedoSamples = m_threadContext.sync.fpsTarget != m_fpsTarget;
985 m_threadContext.sync.fpsTarget = m_fpsTarget;
986 m_threadContext.sync.audioWait = m_audioSync;
987 m_threadContext.sync.videoFrameWait = m_videoSync;
988 } else if (m_turboSpeed <= 0) {
989 shouldRedoSamples = m_threadContext.sync.fpsTarget != m_fpsTarget;
990 m_threadContext.sync.fpsTarget = m_fpsTarget;
991 m_threadContext.sync.audioWait = false;
992 m_threadContext.sync.videoFrameWait = false;
993 } else {
994 shouldRedoSamples = m_threadContext.sync.fpsTarget != m_fpsTarget * m_turboSpeed;
995 m_threadContext.sync.fpsTarget = m_fpsTarget * m_turboSpeed;
996 m_threadContext.sync.audioWait = true;
997 m_threadContext.sync.videoFrameWait = false;
998 }
999 if (m_audioProcessor && shouldRedoSamples) {
1000 redoSamples(m_audioProcessor->getBufferSamples());
1001 }
1002 threadContinue();
1003}
1004
1005void GameController::setSync(bool enable) {
1006 m_turbo = false;
1007 m_turboForced = false;
1008 if (!enable) {
1009 m_threadContext.sync.audioWait = false;
1010 m_threadContext.sync.videoFrameWait = false;
1011 } else {
1012 m_threadContext.sync.audioWait = m_audioSync;
1013 m_threadContext.sync.videoFrameWait = m_videoSync;
1014 }
1015 m_sync = enable;
1016}
1017void GameController::setAVStream(mAVStream* stream) {
1018 threadInterrupt();
1019 m_stream = stream;
1020 if (isLoaded()) {
1021 m_threadContext.core->setAVStream(m_threadContext.core, stream);
1022 }
1023 threadContinue();
1024}
1025
1026void GameController::clearAVStream() {
1027 threadInterrupt();
1028 m_stream = nullptr;
1029 if (isLoaded()) {
1030 m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
1031 }
1032 threadContinue();
1033}
1034
1035#ifdef USE_PNG
1036void GameController::screenshot() {
1037 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
1038 mCoreTakeScreenshot(context->core);
1039 });
1040}
1041#endif
1042
1043void GameController::reloadAudioDriver() {
1044 int samples = 0;
1045 unsigned sampleRate = 0;
1046 if (m_audioProcessor) {
1047 QMetaObject::invokeMethod(m_audioProcessor, "pause", Qt::BlockingQueuedConnection);
1048 samples = m_audioProcessor->getBufferSamples();
1049 sampleRate = m_audioProcessor->sampleRate();
1050 delete m_audioProcessor;
1051 }
1052 m_audioProcessor = AudioProcessor::create();
1053 if (samples) {
1054 m_audioProcessor->setBufferSamples(samples);
1055 }
1056 if (sampleRate) {
1057 m_audioProcessor->requestSampleRate(sampleRate);
1058 }
1059 m_audioProcessor->moveToThread(m_audioThread);
1060 connect(this, SIGNAL(gamePaused(mCoreThread*)), m_audioProcessor, SLOT(pause()));
1061 connect(this, SIGNAL(gameStarted(mCoreThread*, const QString&)), m_audioProcessor, SLOT(setInput(mCoreThread*)));
1062 if (isLoaded()) {
1063 m_audioProcessor->setInput(&m_threadContext);
1064 startAudio();
1065 }
1066}
1067
1068void GameController::setSaveStateExtdata(int flags) {
1069 m_saveStateFlags = flags;
1070}
1071
1072void GameController::setLoadStateExtdata(int flags) {
1073 m_loadStateFlags = flags;
1074}
1075
1076void GameController::setLuminanceValue(uint8_t value) {
1077 m_luxValue = value;
1078 value = std::max<int>(value - 0x16, 0);
1079 m_luxLevel = 10;
1080 for (int i = 0; i < 10; ++i) {
1081 if (value < GBA_LUX_LEVELS[i]) {
1082 m_luxLevel = i;
1083 break;
1084 }
1085 }
1086 emit luminanceValueChanged(m_luxValue);
1087}
1088
1089void GameController::setLuminanceLevel(int level) {
1090 int value = 0x16;
1091 level = std::max(0, std::min(10, level));
1092 if (level > 0) {
1093 value += GBA_LUX_LEVELS[level - 1];
1094 }
1095 setLuminanceValue(value);
1096}
1097
1098void GameController::setRealTime() {
1099 m_rtc.override = RTC_NO_OVERRIDE;
1100}
1101
1102void GameController::setFixedTime(const QDateTime& time) {
1103 m_rtc.override = RTC_FIXED;
1104 m_rtc.value = time.toMSecsSinceEpoch() / 1000;
1105}
1106
1107void GameController::setFakeEpoch(const QDateTime& time) {
1108 m_rtc.override = RTC_FAKE_EPOCH;
1109 m_rtc.value = time.toMSecsSinceEpoch() / 1000;
1110}
1111
1112void GameController::updateKeys() {
1113 int activeKeys = m_activeKeys;
1114 activeKeys |= m_activeButtons;
1115 activeKeys &= ~m_inactiveKeys;
1116 if (isLoaded()) {
1117 m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
1118 }
1119}
1120
1121void GameController::redoSamples(int samples) {
1122 if (m_threadContext.core) {
1123 m_threadContext.core->setAudioBufferSize(m_threadContext.core, samples);
1124 }
1125 QMetaObject::invokeMethod(m_audioProcessor, "inputParametersChanged");
1126}
1127
1128void GameController::setLogLevel(int levels) {
1129 threadInterrupt();
1130 m_logLevels = levels;
1131 threadContinue();
1132}
1133
1134void GameController::enableLogLevel(int levels) {
1135 threadInterrupt();
1136 m_logLevels |= levels;
1137 threadContinue();
1138}
1139
1140void GameController::disableLogLevel(int levels) {
1141 threadInterrupt();
1142 m_logLevels &= ~levels;
1143 threadContinue();
1144}
1145
1146void GameController::pollEvents() {
1147 if (!m_inputController) {
1148 return;
1149 }
1150
1151 m_activeButtons = m_inputController->pollEvents();
1152 updateKeys();
1153}
1154
1155void GameController::updateAutofire() {
1156 // TODO: Move all key events onto the CPU thread...somehow
1157 for (int k = 0; k < GBA_KEY_MAX; ++k) {
1158 if (!m_autofire[k]) {
1159 continue;
1160 }
1161 m_autofireStatus[k] ^= 1;
1162 if (m_autofireStatus[k]) {
1163 keyPressed(k);
1164 } else {
1165 keyReleased(k);
1166 }
1167 }
1168}