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#include "core/tile-cache.h"
25#ifdef M_CORE_GBA
26#include "gba/bios.h"
27#include "gba/core.h"
28#include "gba/gba.h"
29#include "gba/extra/sharkport.h"
30#include "gba/renderers/tile-cache.h"
31#endif
32#ifdef M_CORE_GB
33#include "gb/gb.h"
34#include "gb/renderers/tile-cache.h"
35#endif
36#include "util/vfs.h"
37}
38
39using namespace QGBA;
40using namespace std;
41
42GameController::GameController(QObject* parent)
43 : QObject(parent)
44 , m_drawContext(nullptr)
45 , m_frontBuffer(nullptr)
46 , m_threadContext()
47 , m_activeKeys(0)
48 , m_inactiveKeys(0)
49 , m_logLevels(0)
50 , m_gameOpen(false)
51 , m_vf(nullptr)
52 , m_useBios(false)
53 , m_audioThread(new QThread(this))
54 , m_audioProcessor(AudioProcessor::create())
55 , m_pauseAfterFrame(false)
56 , m_sync(true)
57 , m_videoSync(VIDEO_SYNC)
58 , m_audioSync(AUDIO_SYNC)
59 , m_fpsTarget(-1)
60 , m_turbo(false)
61 , m_turboForced(false)
62 , m_turboSpeed(-1)
63 , m_wasPaused(false)
64 , m_audioChannels{ true, true, true, true, true, true }
65 , m_videoLayers{ true, true, true, true, true }
66 , m_autofire{}
67 , m_autofireStatus{}
68 , m_inputController(nullptr)
69 , m_multiplayer(nullptr)
70 , m_stream(nullptr)
71 , m_stateSlot(1)
72 , m_backupLoadState(nullptr)
73 , m_backupSaveState(nullptr)
74 , m_saveStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_CHEATS)
75 , m_loadStateFlags(SAVESTATE_SCREENSHOT)
76 , m_override(nullptr)
77{
78#ifdef M_CORE_GBA
79 m_lux.p = this;
80 m_lux.sample = [](GBALuminanceSource* context) {
81 GameControllerLux* lux = static_cast<GameControllerLux*>(context);
82 lux->value = 0xFF - lux->p->m_luxValue;
83 };
84
85 m_lux.readLuminance = [](GBALuminanceSource* context) {
86 GameControllerLux* lux = static_cast<GameControllerLux*>(context);
87 return lux->value;
88 };
89 setLuminanceLevel(0);
90#endif
91
92 m_threadContext.startCallback = [](mCoreThread* context) {
93 GameController* controller = static_cast<GameController*>(context->userData);
94 mRTCGenericSourceInit(&controller->m_rtc, context->core);
95 context->core->setRTC(context->core, &controller->m_rtc.d);
96 context->core->setRotation(context->core, controller->m_inputController->rotationSource());
97 context->core->setRumble(context->core, controller->m_inputController->rumble());
98
99#ifdef M_CORE_GBA
100 GBA* gba = static_cast<GBA*>(context->core->board);
101#endif
102#ifdef M_CORE_GB
103 GB* gb = static_cast<GB*>(context->core->board);
104#endif
105 switch (context->core->platform(context->core)) {
106#ifdef M_CORE_GBA
107 case PLATFORM_GBA:
108 gba->luminanceSource = &controller->m_lux;
109 gba->audio.psg.forceDisableCh[0] = !controller->m_audioChannels[0];
110 gba->audio.psg.forceDisableCh[1] = !controller->m_audioChannels[1];
111 gba->audio.psg.forceDisableCh[2] = !controller->m_audioChannels[2];
112 gba->audio.psg.forceDisableCh[3] = !controller->m_audioChannels[3];
113 gba->audio.forceDisableChA = !controller->m_audioChannels[4];
114 gba->audio.forceDisableChB = !controller->m_audioChannels[5];
115 gba->video.renderer->disableBG[0] = !controller->m_videoLayers[0];
116 gba->video.renderer->disableBG[1] = !controller->m_videoLayers[1];
117 gba->video.renderer->disableBG[2] = !controller->m_videoLayers[2];
118 gba->video.renderer->disableBG[3] = !controller->m_videoLayers[3];
119 gba->video.renderer->disableOBJ = !controller->m_videoLayers[4];
120 break;
121#endif
122#ifdef M_CORE_GB
123 case PLATFORM_GB:
124 gb->audio.forceDisableCh[0] = !controller->m_audioChannels[0];
125 gb->audio.forceDisableCh[1] = !controller->m_audioChannels[1];
126 gb->audio.forceDisableCh[2] = !controller->m_audioChannels[2];
127 gb->audio.forceDisableCh[3] = !controller->m_audioChannels[3];
128 break;
129#endif
130 default:
131 break;
132 }
133 controller->m_fpsTarget = context->sync.fpsTarget;
134
135 if (controller->m_override) {
136 controller->m_override->identify(context->core);
137 controller->m_override->apply(context->core);
138 }
139
140 if (mCoreLoadState(context->core, 0, controller->m_loadStateFlags)) {
141 mCoreDeleteState(context->core, 0);
142 }
143
144 controller->m_gameOpen = true;
145 if (controller->m_multiplayer) {
146 controller->m_multiplayer->attachGame(controller);
147 }
148
149 QMetaObject::invokeMethod(controller, "gameStarted", Q_ARG(mCoreThread*, context), Q_ARG(const QString&, controller->m_fname));
150 QMetaObject::invokeMethod(controller, "startAudio");
151 };
152
153 m_threadContext.resetCallback = [](mCoreThread* context) {
154 GameController* controller = static_cast<GameController*>(context->userData);
155 for (auto action : controller->m_resetActions) {
156 action();
157 }
158 controller->m_resetActions.clear();
159
160 unsigned width, height;
161 controller->m_threadContext.core->desiredVideoDimensions(controller->m_threadContext.core, &width, &height);
162 memset(controller->m_frontBuffer, 0xFF, width * height * BYTES_PER_PIXEL);
163 QMetaObject::invokeMethod(controller, "frameAvailable", Q_ARG(const uint32_t*, controller->m_frontBuffer));
164 if (controller->m_pauseAfterFrame.testAndSetAcquire(true, false)) {
165 mCoreThreadPauseFromThread(context);
166 QMetaObject::invokeMethod(controller, "gamePaused", Q_ARG(mCoreThread*, context));
167 }
168 };
169
170 m_threadContext.cleanCallback = [](mCoreThread* context) {
171 GameController* controller = static_cast<GameController*>(context->userData);
172 QMetaObject::invokeMethod(controller, "gameStopped", Q_ARG(mCoreThread*, context));
173 QMetaObject::invokeMethod(controller, "cleanGame");
174 };
175
176 m_threadContext.frameCallback = [](mCoreThread* context) {
177 GameController* controller = static_cast<GameController*>(context->userData);
178 unsigned width, height;
179 controller->m_threadContext.core->desiredVideoDimensions(controller->m_threadContext.core, &width, &height);
180 memcpy(controller->m_frontBuffer, controller->m_drawContext, width * height * BYTES_PER_PIXEL);
181 QMetaObject::invokeMethod(controller, "frameAvailable", Q_ARG(const uint32_t*, controller->m_frontBuffer));
182
183 // If no one is using the tile cache, disable it
184 if (controller->m_tileCache && controller->m_tileCache.unique()) {
185 switch (controller->platform()) {
186#ifdef M_CORE_GBA
187 case PLATFORM_GBA: {
188 GBA* gba = static_cast<GBA*>(context->core->board);
189 gba->video.renderer->cache = nullptr;
190 break;
191 }
192#endif
193#ifdef M_CORE_GB
194 case PLATFORM_GB: {
195 GB* gb = static_cast<GB*>(context->core->board);
196 gb->video.renderer->cache = nullptr;
197 break;
198 }
199#endif
200 default:
201 break;
202 }
203 controller->m_tileCache.reset();
204 }
205
206
207 if (controller->m_pauseAfterFrame.testAndSetAcquire(true, false)) {
208 mCoreThreadPauseFromThread(context);
209 QMetaObject::invokeMethod(controller, "gamePaused", Q_ARG(mCoreThread*, context));
210 }
211 };
212
213 // TODO: Put back
214 /*m_threadContext.stopCallback = [](mCoreThread* context) {
215 if (!context) {
216 return false;
217 }
218 GameController* controller = static_cast<GameController*>(context->userData);
219 if (!mCoreSaveState(context->core, 0, controller->m_saveStateFlags)) {
220 return false;
221 }
222 QMetaObject::invokeMethod(controller, "closeGame");
223 return true;
224 };*/
225
226 m_threadContext.logger.d.log = [](mLogger* logger, int category, enum mLogLevel level, const char* format, va_list args) {
227 mThreadLogger* logContext = reinterpret_cast<mThreadLogger*>(logger);
228 mCoreThread* context = logContext->p;
229
230 static const char* savestateMessage = "State %i loaded";
231 static const char* savestateFailedMessage = "State %i failed to load";
232 if (!context) {
233 return;
234 }
235 GameController* controller = static_cast<GameController*>(context->userData);
236 QString message;
237#ifdef M_CORE_GBA
238 if (level == mLOG_STUB && category == _mLOG_CAT_GBA_BIOS()) {
239 va_list argc;
240 va_copy(argc, args);
241 int immediate = va_arg(argc, int);
242 va_end(argc);
243 QMetaObject::invokeMethod(controller, "unimplementedBiosCall", Q_ARG(int, immediate));
244 } else
245#endif
246 if (category == _mLOG_CAT_STATUS()) {
247 // Slot 0 is reserved for suspend points
248 if (strncmp(savestateMessage, format, strlen(savestateMessage)) == 0) {
249 va_list argc;
250 va_copy(argc, args);
251 int slot = va_arg(argc, int);
252 va_end(argc);
253 if (slot == 0) {
254 format = "Loaded suspend state";
255 }
256 } else if (strncmp(savestateFailedMessage, format, strlen(savestateFailedMessage)) == 0) {
257 va_list argc;
258 va_copy(argc, args);
259 int slot = va_arg(argc, int);
260 va_end(argc);
261 if (slot == 0) {
262 return;
263 }
264 }
265 message = QString().vsprintf(format, args);
266 QMetaObject::invokeMethod(controller, "statusPosted", Q_ARG(const QString&, message));
267 }
268 if (level == mLOG_FATAL) {
269 mCoreThreadMarkCrashed(controller->thread());
270 QMetaObject::invokeMethod(controller, "crashGame", Q_ARG(const QString&, QString().vsprintf(format, args)));
271 } else if (!(controller->m_logLevels & level)) {
272 return;
273 }
274 message = QString().vsprintf(format, args);
275 QMetaObject::invokeMethod(controller, "postLog", Q_ARG(int, level), Q_ARG(int, category), Q_ARG(const QString&, message));
276 };
277
278 m_threadContext.userData = this;
279
280 m_audioThread->setObjectName("Audio Thread");
281 m_audioThread->start(QThread::TimeCriticalPriority);
282 m_audioProcessor->moveToThread(m_audioThread);
283 connect(this, SIGNAL(gamePaused(mCoreThread*)), m_audioProcessor, SLOT(pause()));
284 connect(this, SIGNAL(gameStarted(mCoreThread*, const QString&)), m_audioProcessor, SLOT(setInput(mCoreThread*)));
285 connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(pollEvents()));
286 connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(updateAutofire()));
287}
288
289GameController::~GameController() {
290 disconnect();
291 closeGame();
292 m_audioThread->quit();
293 m_audioThread->wait();
294 clearMultiplayerController();
295 delete m_backupLoadState;
296}
297
298void GameController::setMultiplayerController(MultiplayerController* controller) {
299 if (controller == m_multiplayer) {
300 return;
301 }
302 clearMultiplayerController();
303 m_multiplayer = controller;
304 if (isLoaded()) {
305 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* thread) {
306 GameController* controller = static_cast<GameController*>(thread->userData);
307 controller->m_multiplayer->attachGame(controller);
308 });
309 }
310}
311
312void GameController::clearMultiplayerController() {
313 if (!m_multiplayer) {
314 return;
315 }
316 m_multiplayer->detachGame(this);
317 m_multiplayer = nullptr;
318}
319
320void GameController::setOverride(Override* override) {
321 m_override = override;
322 if (isLoaded()) {
323 threadInterrupt();
324 m_override->identify(m_threadContext.core);
325 threadContinue();
326 }
327}
328
329void GameController::clearOverride() {
330 delete m_override;
331 m_override = nullptr;
332}
333
334void GameController::setConfig(const mCoreConfig* config) {
335 m_config = config;
336 if (isLoaded()) {
337 threadInterrupt();
338 mCoreLoadForeignConfig(m_threadContext.core, config);
339 m_audioProcessor->setInput(&m_threadContext);
340 threadContinue();
341 }
342}
343
344#ifdef USE_GDB_STUB
345mDebugger* GameController::debugger() {
346 if (!isLoaded()) {
347 return nullptr;
348 }
349 return m_threadContext.core->debugger;
350}
351
352void GameController::setDebugger(mDebugger* debugger) {
353 threadInterrupt();
354 if (debugger) {
355 mDebuggerAttach(debugger, m_threadContext.core);
356 } else {
357 m_threadContext.core->detachDebugger(m_threadContext.core);
358 }
359 threadContinue();
360}
361#endif
362
363void GameController::loadGame(const QString& path) {
364 closeGame();
365 QFileInfo info(path);
366 if (!info.isReadable()) {
367 LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
368 return;
369 }
370 m_fname = info.canonicalFilePath();
371 m_vf = nullptr;
372 openGame();
373}
374
375void GameController::loadGame(VFile* vf, const QString& base) {
376 closeGame();
377 m_fname = base;
378 m_vf = vf;
379 openGame();
380}
381
382void GameController::bootBIOS() {
383 closeGame();
384 m_fname = QString();
385 openGame(true);
386}
387
388void GameController::openGame(bool biosOnly) {
389 if (m_fname.isEmpty()) {
390 biosOnly = true;
391 }
392 if (biosOnly && (!m_useBios || m_bios.isNull())) {
393 return;
394 }
395 if (isLoaded()) {
396 // We need to delay if the game is still cleaning up
397 QTimer::singleShot(10, this, SLOT(openGame()));
398 return;
399 } else if(m_gameOpen) {
400 cleanGame();
401 }
402
403 if (!biosOnly) {
404 if (m_vf) {
405 m_threadContext.core = mCoreFindVF(m_vf);
406 } else {
407 m_threadContext.core = mCoreFind(m_fname.toUtf8().constData());
408 }
409 } else {
410 m_threadContext.core = GBACoreCreate();
411 }
412
413 if (!m_threadContext.core) {
414 return;
415 }
416
417 m_pauseAfterFrame = false;
418
419 if (m_turbo) {
420 m_threadContext.sync.videoFrameWait = false;
421 m_threadContext.sync.audioWait = false;
422 } else {
423 m_threadContext.sync.videoFrameWait = m_videoSync;
424 m_threadContext.sync.audioWait = m_audioSync;
425 }
426 m_threadContext.core->init(m_threadContext.core);
427
428 unsigned width, height;
429 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
430 m_drawContext = new uint32_t[width * height];
431 m_frontBuffer = new uint32_t[width * height];
432
433 QByteArray bytes;
434 if (!biosOnly) {
435 bytes = m_fname.toUtf8();
436 if (m_vf) {
437 m_threadContext.core->loadROM(m_threadContext.core, m_vf);
438 } else {
439 mCoreLoadFile(m_threadContext.core, bytes.constData());
440 mDirectorySetDetachBase(&m_threadContext.core->dirs);
441 }
442 } else {
443 bytes = m_bios.toUtf8();
444 }
445 char dirname[PATH_MAX];
446 separatePath(bytes.constData(), dirname, m_threadContext.core->dirs.baseName, 0);
447 mDirectorySetAttachBase(&m_threadContext.core->dirs, VDirOpen(dirname));
448
449 m_threadContext.core->setVideoBuffer(m_threadContext.core, m_drawContext, width);
450
451 if (!m_bios.isNull() && m_useBios) {
452 VFile* bios = VFileDevice::open(m_bios, O_RDONLY);
453 if (bios && !m_threadContext.core->loadBIOS(m_threadContext.core, bios, 0)) {
454 bios->close(bios);
455 }
456 }
457
458 m_inputController->recalibrateAxes();
459 memset(m_drawContext, 0xF8, width * height * 4);
460
461 m_threadContext.core->setAVStream(m_threadContext.core, m_stream);
462
463 if (m_config) {
464 mCoreLoadForeignConfig(m_threadContext.core, m_config);
465 }
466
467 if (!biosOnly) {
468 mCoreAutoloadSave(m_threadContext.core);
469 if (!m_patch.isNull()) {
470 VFile* patch = VFileDevice::open(m_patch, O_RDONLY);
471 if (patch) {
472 m_threadContext.core->loadPatch(m_threadContext.core, patch);
473 }
474 patch->close(patch);
475 } else {
476 mCoreAutoloadPatch(m_threadContext.core);
477 }
478 }
479 m_vf = nullptr;
480
481 if (!mCoreThreadStart(&m_threadContext)) {
482 emit gameFailed();
483 }
484}
485
486void GameController::loadBIOS(const QString& path) {
487 if (m_bios == path) {
488 return;
489 }
490 m_bios = path;
491 if (m_gameOpen) {
492 closeGame();
493 openGame();
494 }
495}
496
497void GameController::loadSave(const QString& path, bool temporary) {
498 if (!isLoaded()) {
499 return;
500 }
501 m_resetActions.append([this, path, temporary]() {
502 VFile* vf = VFileDevice::open(path, temporary ? O_RDONLY : O_RDWR);
503 if (!vf) {
504 LOG(QT, ERROR) << tr("Failed to open save file: %1").arg(path);
505 return;
506 }
507
508 if (temporary) {
509 m_threadContext.core->loadTemporarySave(m_threadContext.core, vf);
510 } else {
511 m_threadContext.core->loadSave(m_threadContext.core, vf);
512 }
513 });
514 reset();
515}
516
517void GameController::yankPak() {
518 if (!m_gameOpen) {
519 return;
520 }
521 threadInterrupt();
522 GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
523 threadContinue();
524}
525
526void GameController::replaceGame(const QString& path) {
527 if (!m_gameOpen) {
528 return;
529 }
530
531 QFileInfo info(path);
532 if (!info.isReadable()) {
533 LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
534 return;
535 }
536 m_fname = info.canonicalFilePath();
537 threadInterrupt();
538 mDirectorySetDetachBase(&m_threadContext.core->dirs);
539 mCoreLoadFile(m_threadContext.core, m_fname.toLocal8Bit().constData());
540 threadContinue();
541}
542
543void GameController::loadPatch(const QString& path) {
544 if (m_gameOpen) {
545 closeGame();
546 m_patch = path;
547 openGame();
548 } else {
549 m_patch = path;
550 }
551}
552
553void GameController::importSharkport(const QString& path) {
554 if (!isLoaded()) {
555 return;
556 }
557#ifdef M_CORE_GBA
558 if (platform() != PLATFORM_GBA) {
559 return;
560 }
561 VFile* vf = VFileDevice::open(path, O_RDONLY);
562 if (!vf) {
563 LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
564 return;
565 }
566 threadInterrupt();
567 GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
568 threadContinue();
569 vf->close(vf);
570#endif
571}
572
573void GameController::exportSharkport(const QString& path) {
574 if (!isLoaded()) {
575 return;
576 }
577#ifdef M_CORE_GBA
578 if (platform() != PLATFORM_GBA) {
579 return;
580 }
581 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
582 if (!vf) {
583 LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
584 return;
585 }
586 threadInterrupt();
587 GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
588 threadContinue();
589 vf->close(vf);
590#endif
591}
592
593void GameController::closeGame() {
594 if (!m_gameOpen) {
595 return;
596 }
597 if (m_multiplayer) {
598 m_multiplayer->detachGame(this);
599 }
600
601 if (mCoreThreadIsPaused(&m_threadContext)) {
602 mCoreThreadUnpause(&m_threadContext);
603 }
604 m_patch = QString();
605 clearOverride();
606
607 QMetaObject::invokeMethod(m_audioProcessor, "pause", Qt::BlockingQueuedConnection);
608 mCoreThreadEnd(&m_threadContext);
609}
610
611void GameController::cleanGame() {
612 if (!m_gameOpen || mCoreThreadIsActive(&m_threadContext)) {
613 return;
614 }
615 mCoreThreadJoin(&m_threadContext);
616
617 if (m_tileCache) {
618 mTileCacheDeinit(m_tileCache.get());
619 m_tileCache.reset();
620 }
621
622 delete[] m_drawContext;
623 delete[] m_frontBuffer;
624
625 m_threadContext.core->deinit(m_threadContext.core);
626 m_gameOpen = false;
627}
628
629void GameController::crashGame(const QString& crashMessage) {
630 closeGame();
631 emit gameCrashed(crashMessage);
632}
633
634bool GameController::isPaused() {
635 if (!m_gameOpen) {
636 return false;
637 }
638 return mCoreThreadIsPaused(&m_threadContext);
639}
640
641mPlatform GameController::platform() const {
642 if (!m_gameOpen) {
643 return PLATFORM_NONE;
644 }
645 return m_threadContext.core->platform(m_threadContext.core);
646}
647
648QSize GameController::screenDimensions() const {
649 if (!m_gameOpen) {
650 return QSize();
651 }
652 unsigned width, height;
653 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
654
655 return QSize(width, height);
656}
657
658void GameController::setPaused(bool paused) {
659 if (!isLoaded() || paused == mCoreThreadIsPaused(&m_threadContext)) {
660 return;
661 }
662 m_wasPaused = paused;
663 if (paused) {
664 m_pauseAfterFrame.testAndSetRelaxed(false, true);
665 } else {
666 mCoreThreadUnpause(&m_threadContext);
667 startAudio();
668 emit gameUnpaused(&m_threadContext);
669 }
670}
671
672void GameController::reset() {
673 if (!m_gameOpen) {
674 return;
675 }
676 bool wasPaused = isPaused();
677 setPaused(false);
678 threadInterrupt();
679 mCoreThreadReset(&m_threadContext);
680 if (wasPaused) {
681 setPaused(true);
682 }
683 threadContinue();
684}
685
686void GameController::threadInterrupt() {
687 if (m_gameOpen) {
688 mCoreThreadInterrupt(&m_threadContext);
689 }
690}
691
692void GameController::threadContinue() {
693 if (m_gameOpen) {
694 mCoreThreadContinue(&m_threadContext);
695 }
696}
697
698void GameController::frameAdvance() {
699 if (m_pauseAfterFrame.testAndSetRelaxed(false, true)) {
700 setPaused(false);
701 }
702}
703
704void GameController::setRewind(bool enable, int capacity) {
705 if (m_gameOpen) {
706 threadInterrupt();
707 if (m_threadContext.core->opts.rewindEnable && m_threadContext.core->opts.rewindBufferCapacity > 0) {
708 mCoreRewindContextDeinit(&m_threadContext.rewind);
709 }
710 m_threadContext.core->opts.rewindEnable = enable;
711 m_threadContext.core->opts.rewindBufferCapacity = capacity;
712 if (enable && capacity > 0) {
713 mCoreRewindContextInit(&m_threadContext.rewind, capacity);
714 }
715 threadContinue();
716 }
717}
718
719void GameController::rewind(int states) {
720 threadInterrupt();
721 if (!states) {
722 states = INT_MAX;
723 }
724 for (int i = 0; i < states; ++i) {
725 if (!mCoreRewindRestore(&m_threadContext.rewind, m_threadContext.core)) {
726 break;
727 }
728 }
729 threadContinue();
730 emit frameAvailable(m_drawContext);
731 emit rewound(&m_threadContext);
732}
733
734void GameController::startRewinding() {
735 if (!isLoaded()) {
736 return;
737 }
738 if (!m_threadContext.core->opts.rewindEnable) {
739 return;
740 }
741 if (m_multiplayer && m_multiplayer->attached() > 1) {
742 return;
743 }
744 if (m_wasPaused) {
745 setPaused(false);
746 m_wasPaused = true;
747 }
748 mCoreThreadSetRewinding(&m_threadContext, true);
749}
750
751void GameController::stopRewinding() {
752 if (!isLoaded()) {
753 return;
754 }
755 mCoreThreadSetRewinding(&m_threadContext, false);
756 bool signalsBlocked = blockSignals(true);
757 setPaused(m_wasPaused);
758 blockSignals(signalsBlocked);
759}
760
761void GameController::keyPressed(int key) {
762 int mappedKey = 1 << key;
763 m_activeKeys |= mappedKey;
764 if (!m_inputController->allowOpposing()) {
765 if ((m_activeKeys & 0x30) == 0x30) {
766 m_inactiveKeys |= mappedKey ^ 0x30;
767 m_activeKeys ^= mappedKey ^ 0x30;
768 }
769 if ((m_activeKeys & 0xC0) == 0xC0) {
770 m_inactiveKeys |= mappedKey ^ 0xC0;
771 m_activeKeys ^= mappedKey ^ 0xC0;
772 }
773 }
774 updateKeys();
775}
776
777void GameController::keyReleased(int key) {
778 int mappedKey = 1 << key;
779 m_activeKeys &= ~mappedKey;
780 if (!m_inputController->allowOpposing()) {
781 if (mappedKey & 0x30) {
782 m_activeKeys |= m_inactiveKeys & (0x30 ^ mappedKey);
783 m_inactiveKeys &= ~0x30;
784 }
785 if (mappedKey & 0xC0) {
786 m_activeKeys |= m_inactiveKeys & (0xC0 ^ mappedKey);
787 m_inactiveKeys &= ~0xC0;
788 }
789 }
790 updateKeys();
791}
792
793void GameController::clearKeys() {
794 m_activeKeys = 0;
795 m_inactiveKeys = 0;
796 updateKeys();
797}
798
799void GameController::setAutofire(int key, bool enable) {
800 if (key >= GBA_KEY_MAX || key < 0) {
801 return;
802 }
803
804 if (!enable && m_autofireStatus[key]) {
805 keyReleased(key);
806 }
807
808 m_autofire[key] = enable;
809 m_autofireStatus[key] = 0;
810}
811
812void GameController::setAudioBufferSamples(int samples) {
813 if (m_audioProcessor) {
814 threadInterrupt();
815 redoSamples(samples);
816 threadContinue();
817 QMetaObject::invokeMethod(m_audioProcessor, "setBufferSamples", Qt::BlockingQueuedConnection, Q_ARG(int, samples));
818 }
819}
820
821void GameController::setAudioSampleRate(unsigned rate) {
822 if (!rate) {
823 return;
824 }
825 if (m_audioProcessor) {
826 threadInterrupt();
827 redoSamples(m_audioProcessor->getBufferSamples());
828 threadContinue();
829 QMetaObject::invokeMethod(m_audioProcessor, "requestSampleRate", Q_ARG(unsigned, rate));
830 }
831}
832
833void GameController::setAudioChannelEnabled(int channel, bool enable) {
834 if (channel > 5 || channel < 0) {
835 return;
836 }
837#ifdef M_CORE_GBA
838 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
839#endif
840#ifdef M_CORE_GB
841 GB* gb = static_cast<GB*>(m_threadContext.core->board);
842#endif
843 m_audioChannels[channel] = enable;
844 if (isLoaded()) {
845 switch (channel) {
846 case 0:
847 case 1:
848 case 2:
849 case 3:
850 switch (m_threadContext.core->platform(m_threadContext.core)) {
851#ifdef M_CORE_GBA
852 case PLATFORM_GBA:
853 gba->audio.psg.forceDisableCh[channel] = !enable;
854 break;
855#endif
856#ifdef M_CORE_GB
857 case PLATFORM_GB:
858 gb->audio.forceDisableCh[channel] = !enable;
859 break;
860#endif
861 default:
862 break;
863 }
864 break;
865#ifdef M_CORE_GBA
866 case 4:
867 if (m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
868 gba->audio.forceDisableChA = !enable;
869 }
870 break;
871 case 5:
872 if (m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
873 gba->audio.forceDisableChB = !enable;
874 }
875 break;
876#endif
877 }
878 }
879}
880
881void GameController::startAudio() {
882 bool started = false;
883 QMetaObject::invokeMethod(m_audioProcessor, "start", Qt::BlockingQueuedConnection, Q_RETURN_ARG(bool, started));
884 if (!started) {
885 LOG(QT, ERROR) << tr("Failed to start audio processor");
886 // Don't freeze!
887 m_audioSync = false;
888 m_videoSync = true;
889 m_threadContext.sync.audioWait = false;
890 m_threadContext.sync.videoFrameWait = true;
891 }
892}
893
894void GameController::setVideoLayerEnabled(int layer, bool enable) {
895 if (layer > 4 || layer < 0) {
896 return;
897 }
898 m_videoLayers[layer] = enable;
899#ifdef M_CORE_GBA
900 if (isLoaded() && m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
901 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
902 switch (layer) {
903 case 0:
904 case 1:
905 case 2:
906 case 3:
907 gba->video.renderer->disableBG[layer] = !enable;
908 break;
909 case 4:
910 gba->video.renderer->disableOBJ = !enable;
911 break;
912 }
913 }
914#endif
915}
916
917void GameController::setFPSTarget(float fps) {
918 threadInterrupt();
919 m_fpsTarget = fps;
920 m_threadContext.sync.fpsTarget = fps;
921 if (m_turbo && m_turboSpeed > 0) {
922 m_threadContext.sync.fpsTarget *= m_turboSpeed;
923 }
924 if (m_audioProcessor) {
925 redoSamples(m_audioProcessor->getBufferSamples());
926 }
927 threadContinue();
928}
929
930void GameController::setUseBIOS(bool use) {
931 if (use == m_useBios) {
932 return;
933 }
934 m_useBios = use;
935 if (m_gameOpen) {
936 closeGame();
937 openGame();
938 }
939}
940
941void GameController::loadState(int slot) {
942 if (m_fname.isEmpty()) {
943 // We're in the BIOS
944 return;
945 }
946 if (slot > 0 && slot != m_stateSlot) {
947 m_stateSlot = slot;
948 m_backupSaveState.clear();
949 }
950 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
951 GameController* controller = static_cast<GameController*>(context->userData);
952 if (!controller->m_backupLoadState) {
953 controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
954 }
955 mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
956 if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
957 controller->frameAvailable(controller->m_drawContext);
958 controller->stateLoaded(context);
959 }
960 });
961}
962
963void GameController::saveState(int slot) {
964 if (m_fname.isEmpty()) {
965 // We're in the BIOS
966 return;
967 }
968 if (slot > 0) {
969 m_stateSlot = slot;
970 }
971 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
972 GameController* controller = static_cast<GameController*>(context->userData);
973 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, false);
974 if (vf) {
975 controller->m_backupSaveState.resize(vf->size(vf));
976 vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
977 vf->close(vf);
978 }
979 mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
980 });
981}
982
983void GameController::loadBackupState() {
984 if (!m_backupLoadState) {
985 return;
986 }
987
988 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
989 GameController* controller = static_cast<GameController*>(context->userData);
990 controller->m_backupLoadState->seek(controller->m_backupLoadState, 0, SEEK_SET);
991 if (mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
992 mLOG(STATUS, INFO, "Undid state load");
993 controller->frameAvailable(controller->m_drawContext);
994 controller->stateLoaded(context);
995 }
996 controller->m_backupLoadState->close(controller->m_backupLoadState);
997 controller->m_backupLoadState = nullptr;
998 });
999}
1000
1001void GameController::saveBackupState() {
1002 if (m_backupSaveState.isEmpty()) {
1003 return;
1004 }
1005
1006 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
1007 GameController* controller = static_cast<GameController*>(context->userData);
1008 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, true);
1009 if (vf) {
1010 vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
1011 vf->close(vf);
1012 mLOG(STATUS, INFO, "Undid state save");
1013 }
1014 controller->m_backupSaveState.clear();
1015 });
1016}
1017
1018void GameController::setTurbo(bool set, bool forced) {
1019 if (m_turboForced && !forced) {
1020 return;
1021 }
1022 if (m_turbo == set && m_turboForced == (set && forced)) {
1023 // Don't interrupt the thread if we don't need to
1024 return;
1025 }
1026 if (!m_sync) {
1027 return;
1028 }
1029 m_turbo = set;
1030 m_turboForced = set && forced;
1031 enableTurbo();
1032}
1033
1034void GameController::setTurboSpeed(float ratio) {
1035 m_turboSpeed = ratio;
1036 enableTurbo();
1037}
1038
1039void GameController::enableTurbo() {
1040 threadInterrupt();
1041 bool shouldRedoSamples = false;
1042 if (!m_turbo) {
1043 shouldRedoSamples = m_threadContext.sync.fpsTarget != m_fpsTarget;
1044 m_threadContext.sync.fpsTarget = m_fpsTarget;
1045 m_threadContext.sync.audioWait = m_audioSync;
1046 m_threadContext.sync.videoFrameWait = m_videoSync;
1047 } else if (m_turboSpeed <= 0) {
1048 shouldRedoSamples = m_threadContext.sync.fpsTarget != m_fpsTarget;
1049 m_threadContext.sync.fpsTarget = m_fpsTarget;
1050 m_threadContext.sync.audioWait = false;
1051 m_threadContext.sync.videoFrameWait = false;
1052 } else {
1053 shouldRedoSamples = m_threadContext.sync.fpsTarget != m_fpsTarget * m_turboSpeed;
1054 m_threadContext.sync.fpsTarget = m_fpsTarget * m_turboSpeed;
1055 m_threadContext.sync.audioWait = true;
1056 m_threadContext.sync.videoFrameWait = false;
1057 }
1058 if (m_audioProcessor && shouldRedoSamples) {
1059 redoSamples(m_audioProcessor->getBufferSamples());
1060 }
1061 threadContinue();
1062}
1063
1064void GameController::setSync(bool enable) {
1065 m_turbo = false;
1066 m_turboForced = false;
1067 if (!enable) {
1068 m_threadContext.sync.audioWait = false;
1069 m_threadContext.sync.videoFrameWait = false;
1070 } else {
1071 m_threadContext.sync.audioWait = m_audioSync;
1072 m_threadContext.sync.videoFrameWait = m_videoSync;
1073 }
1074 m_sync = enable;
1075}
1076void GameController::setAVStream(mAVStream* stream) {
1077 threadInterrupt();
1078 m_stream = stream;
1079 if (isLoaded()) {
1080 m_threadContext.core->setAVStream(m_threadContext.core, stream);
1081 }
1082 threadContinue();
1083}
1084
1085void GameController::clearAVStream() {
1086 threadInterrupt();
1087 m_stream = nullptr;
1088 if (isLoaded()) {
1089 m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
1090 }
1091 threadContinue();
1092}
1093
1094#ifdef USE_PNG
1095void GameController::screenshot() {
1096 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
1097 mCoreTakeScreenshot(context->core);
1098 });
1099}
1100#endif
1101
1102void GameController::reloadAudioDriver() {
1103 int samples = 0;
1104 unsigned sampleRate = 0;
1105 if (m_audioProcessor) {
1106 QMetaObject::invokeMethod(m_audioProcessor, "pause", Qt::BlockingQueuedConnection);
1107 samples = m_audioProcessor->getBufferSamples();
1108 sampleRate = m_audioProcessor->sampleRate();
1109 delete m_audioProcessor;
1110 }
1111 m_audioProcessor = AudioProcessor::create();
1112 if (samples) {
1113 m_audioProcessor->setBufferSamples(samples);
1114 }
1115 if (sampleRate) {
1116 m_audioProcessor->requestSampleRate(sampleRate);
1117 }
1118 m_audioProcessor->moveToThread(m_audioThread);
1119 connect(this, SIGNAL(gamePaused(mCoreThread*)), m_audioProcessor, SLOT(pause()));
1120 connect(this, SIGNAL(gameStarted(mCoreThread*, const QString&)), m_audioProcessor, SLOT(setInput(mCoreThread*)));
1121 if (isLoaded()) {
1122 m_audioProcessor->setInput(&m_threadContext);
1123 startAudio();
1124 }
1125}
1126
1127void GameController::setSaveStateExtdata(int flags) {
1128 m_saveStateFlags = flags;
1129}
1130
1131void GameController::setLoadStateExtdata(int flags) {
1132 m_loadStateFlags = flags;
1133}
1134
1135void GameController::setLuminanceValue(uint8_t value) {
1136 m_luxValue = value;
1137 value = std::max<int>(value - 0x16, 0);
1138 m_luxLevel = 10;
1139 for (int i = 0; i < 10; ++i) {
1140 if (value < GBA_LUX_LEVELS[i]) {
1141 m_luxLevel = i;
1142 break;
1143 }
1144 }
1145 emit luminanceValueChanged(m_luxValue);
1146}
1147
1148void GameController::setLuminanceLevel(int level) {
1149 int value = 0x16;
1150 level = std::max(0, std::min(10, level));
1151 if (level > 0) {
1152 value += GBA_LUX_LEVELS[level - 1];
1153 }
1154 setLuminanceValue(value);
1155}
1156
1157void GameController::setRealTime() {
1158 m_rtc.override = RTC_NO_OVERRIDE;
1159}
1160
1161void GameController::setFixedTime(const QDateTime& time) {
1162 m_rtc.override = RTC_FIXED;
1163 m_rtc.value = time.toMSecsSinceEpoch() / 1000;
1164}
1165
1166void GameController::setFakeEpoch(const QDateTime& time) {
1167 m_rtc.override = RTC_FAKE_EPOCH;
1168 m_rtc.value = time.toMSecsSinceEpoch() / 1000;
1169}
1170
1171void GameController::updateKeys() {
1172 int activeKeys = m_activeKeys;
1173 activeKeys |= m_activeButtons;
1174 activeKeys &= ~m_inactiveKeys;
1175 if (isLoaded()) {
1176 m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
1177 }
1178}
1179
1180void GameController::redoSamples(int samples) {
1181 if (m_threadContext.core) {
1182 m_threadContext.core->setAudioBufferSize(m_threadContext.core, samples);
1183 }
1184 QMetaObject::invokeMethod(m_audioProcessor, "inputParametersChanged");
1185}
1186
1187void GameController::setLogLevel(int levels) {
1188 threadInterrupt();
1189 m_logLevels = levels;
1190 threadContinue();
1191}
1192
1193void GameController::enableLogLevel(int levels) {
1194 threadInterrupt();
1195 m_logLevels |= levels;
1196 threadContinue();
1197}
1198
1199void GameController::disableLogLevel(int levels) {
1200 threadInterrupt();
1201 m_logLevels &= ~levels;
1202 threadContinue();
1203}
1204
1205void GameController::pollEvents() {
1206 if (!m_inputController) {
1207 return;
1208 }
1209
1210 m_activeButtons = m_inputController->pollEvents();
1211 updateKeys();
1212}
1213
1214void GameController::updateAutofire() {
1215 // TODO: Move all key events onto the CPU thread...somehow
1216 for (int k = 0; k < GBA_KEY_MAX; ++k) {
1217 if (!m_autofire[k]) {
1218 continue;
1219 }
1220 m_autofireStatus[k] ^= 1;
1221 if (m_autofireStatus[k]) {
1222 keyPressed(k);
1223 } else {
1224 keyReleased(k);
1225 }
1226 }
1227}
1228
1229std::shared_ptr<mTileCache> GameController::tileCache() {
1230 if (m_tileCache) {
1231 return m_tileCache;
1232 }
1233 switch (platform()) {
1234#ifdef M_CORE_GBA
1235 case PLATFORM_GBA: {
1236 threadInterrupt();
1237 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
1238 m_tileCache = std::make_shared<mTileCache>();
1239 GBAVideoTileCacheInit(m_tileCache.get());
1240 GBAVideoTileCacheAssociate(m_tileCache.get(), &gba->video);
1241 mTileCacheSetPalette(m_tileCache.get(), 0);
1242 threadContinue();
1243 break;
1244 }
1245#endif
1246#ifdef M_CORE_GB
1247 case PLATFORM_GB: {
1248 threadInterrupt();
1249 GB* gb = static_cast<GB*>(m_threadContext.core->board);
1250 m_tileCache = std::make_shared<mTileCache>();
1251 GBVideoTileCacheInit(m_tileCache.get());
1252 GBVideoTileCacheAssociate(m_tileCache.get(), &gb->video);
1253 mTileCacheSetPalette(m_tileCache.get(), 0);
1254 threadContinue();
1255 break;
1256 }
1257#endif
1258 default:
1259 return nullptr;
1260 }
1261 return m_tileCache;
1262}