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
20#include <mgba/core/config.h>
21#include <mgba/core/directories.h>
22#include <mgba/core/serialize.h>
23#include <mgba/core/tile-cache.h>
24#ifdef M_CORE_GBA
25#include <mgba/gba/interface.h>
26#include <mgba/internal/gba/gba.h>
27#include <mgba/gba/core.h>
28#include <mgba/internal/gba/renderers/tile-cache.h>
29#include <mgba/internal/gba/sharkport.h>
30#endif
31#ifdef M_CORE_GB
32#include <mgba/internal/gb/gb.h>
33#include <mgba/internal/gb/renderers/tile-cache.h>
34#endif
35#include <mgba-util/vfs.h>
36
37using namespace QGBA;
38using namespace std;
39
40GameController::GameController(QObject* parent)
41 : QObject(parent)
42 , m_drawContext(nullptr)
43 , m_frontBuffer(nullptr)
44 , m_threadContext()
45 , m_activeKeys(0)
46 , m_inactiveKeys(0)
47 , m_logLevels(0)
48 , m_gameOpen(false)
49 , m_vf(nullptr)
50 , m_useBios(false)
51 , m_audioThread(new QThread(this))
52 , m_audioProcessor(AudioProcessor::create())
53 , m_pauseAfterFrame(false)
54 , m_sync(true)
55 , m_videoSync(VIDEO_SYNC)
56 , m_audioSync(AUDIO_SYNC)
57 , m_fpsTarget(-1)
58 , m_turbo(false)
59 , m_turboForced(false)
60 , m_turboSpeed(-1)
61 , m_wasPaused(false)
62 , m_audioChannels{ true, true, true, true, true, true }
63 , m_videoLayers{ true, true, true, true, true }
64 , m_autofire{}
65 , m_autofireStatus{}
66 , m_inputController(nullptr)
67 , m_multiplayer(nullptr)
68 , m_stream(nullptr)
69 , m_stateSlot(1)
70 , m_backupLoadState(nullptr)
71 , m_backupSaveState(nullptr)
72 , m_saveStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_CHEATS | SAVESTATE_RTC)
73 , m_loadStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_RTC)
74 , m_override(nullptr)
75{
76#ifdef M_CORE_GBA
77 m_lux.p = this;
78 m_lux.sample = [](GBALuminanceSource* context) {
79 GameControllerLux* lux = static_cast<GameControllerLux*>(context);
80 lux->value = 0xFF - lux->p->m_luxValue;
81 };
82
83 m_lux.readLuminance = [](GBALuminanceSource* context) {
84 GameControllerLux* lux = static_cast<GameControllerLux*>(context);
85 return lux->value;
86 };
87 setLuminanceLevel(0);
88#endif
89
90 m_threadContext.startCallback = [](mCoreThread* context) {
91 GameController* controller = static_cast<GameController*>(context->userData);
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 (controller->m_override) {
132 controller->m_override->identify(context->core);
133 controller->m_override->apply(context->core);
134 }
135
136 if (mCoreLoadState(context->core, 0, controller->m_loadStateFlags)) {
137 mCoreDeleteState(context->core, 0);
138 }
139
140 controller->m_gameOpen = true;
141 if (controller->m_multiplayer) {
142 controller->m_multiplayer->attachGame(controller);
143 }
144
145 QString path = controller->m_fname;
146 if (!controller->m_fsub.isEmpty()) {
147 path += QDir::separator() + controller->m_fsub;
148 }
149 QMetaObject::invokeMethod(controller, "gameStarted", Q_ARG(mCoreThread*, context), Q_ARG(const QString&, path));
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
173 if (controller->m_multiplayer) {
174 controller->m_multiplayer->detachGame(controller);
175 }
176 controller->m_patch = QString();
177 controller->clearOverride();
178
179 QMetaObject::invokeMethod(controller->m_audioProcessor, "pause", Qt::BlockingQueuedConnection);
180
181 QMetaObject::invokeMethod(controller, "gameStopped", Q_ARG(mCoreThread*, context));
182 QMetaObject::invokeMethod(controller, "cleanGame");
183 };
184
185 m_threadContext.frameCallback = [](mCoreThread* context) {
186 GameController* controller = static_cast<GameController*>(context->userData);
187 unsigned width, height;
188 controller->m_threadContext.core->desiredVideoDimensions(controller->m_threadContext.core, &width, &height);
189 memcpy(controller->m_frontBuffer, controller->m_drawContext, width * height * BYTES_PER_PIXEL);
190 QMetaObject::invokeMethod(controller, "frameAvailable", Q_ARG(const uint32_t*, controller->m_frontBuffer));
191
192 // If no one is using the tile cache, disable it
193 if (controller->m_tileCache && controller->m_tileCache.unique()) {
194 switch (controller->platform()) {
195#ifdef M_CORE_GBA
196 case PLATFORM_GBA: {
197 GBA* gba = static_cast<GBA*>(context->core->board);
198 gba->video.renderer->cache = nullptr;
199 break;
200 }
201#endif
202#ifdef M_CORE_GB
203 case PLATFORM_GB: {
204 GB* gb = static_cast<GB*>(context->core->board);
205 gb->video.renderer->cache = nullptr;
206 break;
207 }
208#endif
209 default:
210 break;
211 }
212 controller->m_tileCache.reset();
213 }
214
215
216 if (controller->m_pauseAfterFrame.testAndSetAcquire(true, false)) {
217 mCoreThreadPauseFromThread(context);
218 QMetaObject::invokeMethod(controller, "gamePaused", Q_ARG(mCoreThread*, context));
219 }
220 };
221
222 // TODO: Put back
223 /*m_threadContext.stopCallback = [](mCoreThread* context) {
224 if (!context) {
225 return false;
226 }
227 GameController* controller = static_cast<GameController*>(context->userData);
228 if (!mCoreSaveState(context->core, 0, controller->m_saveStateFlags)) {
229 return false;
230 }
231 QMetaObject::invokeMethod(controller, "closeGame");
232 return true;
233 };*/
234
235 m_threadContext.logger.d.log = [](mLogger* logger, int category, enum mLogLevel level, const char* format, va_list args) {
236 mThreadLogger* logContext = reinterpret_cast<mThreadLogger*>(logger);
237 mCoreThread* context = logContext->p;
238
239 static const char* savestateMessage = "State %i loaded";
240 static const char* savestateFailedMessage = "State %i failed to load";
241 static int biosCat = -1;
242 static int statusCat = -1;
243 if (!context) {
244 return;
245 }
246 GameController* controller = static_cast<GameController*>(context->userData);
247 QString message;
248 if (biosCat < 0) {
249 biosCat = mLogCategoryById("gba.bios");
250 }
251 if (statusCat < 0) {
252 statusCat = mLogCategoryById("core.status");
253 }
254#ifdef M_CORE_GBA
255 if (level == mLOG_STUB && category == biosCat) {
256 va_list argc;
257 va_copy(argc, args);
258 int immediate = va_arg(argc, int);
259 va_end(argc);
260 QMetaObject::invokeMethod(controller, "unimplementedBiosCall", Q_ARG(int, immediate));
261 } else
262#endif
263 if (category == statusCat) {
264 // Slot 0 is reserved for suspend points
265 if (strncmp(savestateMessage, format, strlen(savestateMessage)) == 0) {
266 va_list argc;
267 va_copy(argc, args);
268 int slot = va_arg(argc, int);
269 va_end(argc);
270 if (slot == 0) {
271 format = "Loaded suspend state";
272 }
273 } else if (strncmp(savestateFailedMessage, format, strlen(savestateFailedMessage)) == 0) {
274 va_list argc;
275 va_copy(argc, args);
276 int slot = va_arg(argc, int);
277 va_end(argc);
278 if (slot == 0) {
279 return;
280 }
281 }
282 message = QString().vsprintf(format, args);
283 QMetaObject::invokeMethod(controller, "statusPosted", Q_ARG(const QString&, message));
284 }
285 if (level == mLOG_FATAL) {
286 mCoreThreadMarkCrashed(controller->thread());
287 QMetaObject::invokeMethod(controller, "crashGame", Q_ARG(const QString&, QString().vsprintf(format, args)));
288 } else if (!(controller->m_logLevels & level)) {
289 return;
290 }
291 message = QString().vsprintf(format, args);
292 QMetaObject::invokeMethod(controller, "postLog", Q_ARG(int, level), Q_ARG(int, category), Q_ARG(const QString&, message));
293 };
294
295 m_threadContext.userData = this;
296
297 m_audioThread->setObjectName("Audio Thread");
298 m_audioThread->start(QThread::TimeCriticalPriority);
299 m_audioProcessor->moveToThread(m_audioThread);
300 connect(this, SIGNAL(gamePaused(mCoreThread*)), m_audioProcessor, SLOT(pause()));
301 connect(this, SIGNAL(gameStarted(mCoreThread*, const QString&)), m_audioProcessor, SLOT(setInput(mCoreThread*)));
302 connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(pollEvents()));
303 connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(updateAutofire()));
304}
305
306GameController::~GameController() {
307 disconnect();
308 closeGame();
309 m_audioThread->quit();
310 m_audioThread->wait();
311 clearMultiplayerController();
312 delete m_backupLoadState;
313}
314
315void GameController::setMultiplayerController(MultiplayerController* controller) {
316 if (controller == m_multiplayer) {
317 return;
318 }
319 clearMultiplayerController();
320 m_multiplayer = controller;
321 if (isLoaded()) {
322 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* thread) {
323 GameController* controller = static_cast<GameController*>(thread->userData);
324 controller->m_multiplayer->attachGame(controller);
325 });
326 }
327}
328
329void GameController::clearMultiplayerController() {
330 if (!m_multiplayer) {
331 return;
332 }
333 m_multiplayer->detachGame(this);
334 m_multiplayer = nullptr;
335}
336
337void GameController::setOverride(Override* override) {
338 m_override = override;
339 if (isLoaded()) {
340 Interrupter interrupter(this);
341 m_override->identify(m_threadContext.core);
342 }
343}
344
345void GameController::clearOverride() {
346 delete m_override;
347 m_override = nullptr;
348}
349
350void GameController::setConfig(const mCoreConfig* config) {
351 m_config = config;
352 if (isLoaded()) {
353 Interrupter interrupter(this);
354 mCoreLoadForeignConfig(m_threadContext.core, config);
355 m_audioProcessor->setInput(&m_threadContext);
356 }
357}
358
359#ifdef USE_GDB_STUB
360mDebugger* GameController::debugger() {
361 if (!isLoaded()) {
362 return nullptr;
363 }
364 return m_threadContext.core->debugger;
365}
366
367void GameController::setDebugger(mDebugger* debugger) {
368 Interrupter interrupter(this);
369 if (debugger) {
370 mDebuggerAttach(debugger, m_threadContext.core);
371 } else {
372 m_threadContext.core->detachDebugger(m_threadContext.core);
373 }
374}
375#endif
376
377void GameController::loadGame(const QString& path) {
378 closeGame();
379 QFileInfo info(path);
380 if (!info.isReadable()) {
381 QString fname = info.fileName();
382 QString base = info.path();
383 if (base.endsWith("/") || base.endsWith(QDir::separator())) {
384 base.chop(1);
385 }
386 VDir* dir = VDirOpenArchive(base.toUtf8().constData());
387 if (dir) {
388 VFile* vf = dir->openFile(dir, fname.toUtf8().constData(), O_RDONLY);
389 if (vf) {
390 struct VFile* vfclone = VFileMemChunk(NULL, vf->size(vf));
391 uint8_t buffer[2048];
392 ssize_t read;
393 while ((read = vf->read(vf, buffer, sizeof(buffer))) > 0) {
394 vfclone->write(vfclone, buffer, read);
395 }
396 vf->close(vf);
397 vf = vfclone;
398 }
399 dir->close(dir);
400 loadGame(vf, fname, base);
401 } else {
402 LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
403 }
404 return;
405 } else {
406 m_fname = info.canonicalFilePath();
407 m_fsub = QString();
408 }
409 m_vf = nullptr;
410 openGame();
411}
412
413void GameController::loadGame(VFile* vf, const QString& path, const QString& base) {
414 closeGame();
415 QFileInfo info(base);
416 if (info.isDir()) {
417 m_fname = base + QDir::separator() + path;
418 m_fsub = QString();
419 } else {
420 m_fname = base;
421 m_fsub = path;
422 }
423 m_vf = vf;
424 openGame();
425}
426
427void GameController::bootBIOS() {
428 closeGame();
429 m_fname = QString();
430 openGame(true);
431}
432
433void GameController::openGame(bool biosOnly) {
434 if (m_fname.isEmpty()) {
435 biosOnly = true;
436 }
437 if (isLoaded()) {
438 // We need to delay if the game is still cleaning up
439 QTimer::singleShot(10, this, SLOT(openGame()));
440 return;
441 } else if(m_gameOpen) {
442 cleanGame();
443 }
444
445 m_threadContext.core = nullptr;
446 if (!biosOnly) {
447 if (m_vf) {
448 m_threadContext.core = mCoreFindVF(m_vf);
449 } else {
450 m_threadContext.core = mCoreFind(m_fname.toUtf8().constData());
451 }
452#ifdef M_CORE_GBA
453 } else {
454 m_threadContext.core = GBACoreCreate();
455#endif
456 }
457
458 if (!m_threadContext.core) {
459 return;
460 }
461
462 m_pauseAfterFrame = false;
463
464 if (m_turbo) {
465 m_threadContext.sync.videoFrameWait = false;
466 m_threadContext.sync.audioWait = false;
467 } else {
468 m_threadContext.sync.videoFrameWait = m_videoSync;
469 m_threadContext.sync.audioWait = m_audioSync;
470 }
471 m_threadContext.core->init(m_threadContext.core);
472 mCoreInitConfig(m_threadContext.core, nullptr);
473
474 unsigned width, height;
475 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
476 m_drawContext = new uint32_t[width * height];
477 m_frontBuffer = new uint32_t[width * height];
478
479 if (m_config) {
480 mCoreLoadForeignConfig(m_threadContext.core, m_config);
481 }
482
483 QByteArray bytes;
484 if (!biosOnly) {
485 bytes = m_fname.toUtf8();
486 if (m_vf) {
487 m_threadContext.core->loadROM(m_threadContext.core, m_vf);
488 } else {
489 mCoreLoadFile(m_threadContext.core, bytes.constData());
490 mDirectorySetDetachBase(&m_threadContext.core->dirs);
491 }
492 } else {
493 bytes = m_bios.toUtf8();
494 }
495 if (bytes.isNull()) {
496 return;
497 }
498
499 char dirname[PATH_MAX];
500 separatePath(bytes.constData(), dirname, m_threadContext.core->dirs.baseName, 0);
501 mDirectorySetAttachBase(&m_threadContext.core->dirs, VDirOpen(dirname));
502
503 m_threadContext.core->setVideoBuffer(m_threadContext.core, m_drawContext, width);
504
505 m_inputController->recalibrateAxes();
506 memset(m_drawContext, 0xF8, width * height * 4);
507
508 m_threadContext.core->setAVStream(m_threadContext.core, m_stream);
509
510 if (!biosOnly) {
511 mCoreAutoloadSave(m_threadContext.core);
512 if (!m_patch.isNull()) {
513 VFile* patch = VFileDevice::open(m_patch, O_RDONLY);
514 if (patch) {
515 m_threadContext.core->loadPatch(m_threadContext.core, patch);
516 }
517 patch->close(patch);
518 } else {
519 mCoreAutoloadPatch(m_threadContext.core);
520 }
521 }
522 m_vf = nullptr;
523
524 if (!mCoreThreadStart(&m_threadContext)) {
525 emit gameFailed();
526 }
527}
528
529void GameController::loadBIOS(int platform, const QString& path) {
530 if (m_bios == path) {
531 return;
532 }
533 if (!m_bios.isNull() && m_gameOpen && this->platform() == platform) {
534 closeGame();
535 m_bios = path;
536 openGame();
537 } else if (!m_gameOpen || m_bios.isNull()) {
538 m_bios = path;
539 }
540}
541
542void GameController::loadSave(const QString& path, bool temporary) {
543 if (!isLoaded()) {
544 return;
545 }
546 m_resetActions.append([this, path, temporary]() {
547 VFile* vf = VFileDevice::open(path, temporary ? O_RDONLY : O_RDWR);
548 if (!vf) {
549 LOG(QT, ERROR) << tr("Failed to open save file: %1").arg(path);
550 return;
551 }
552
553 if (temporary) {
554 m_threadContext.core->loadTemporarySave(m_threadContext.core, vf);
555 } else {
556 m_threadContext.core->loadSave(m_threadContext.core, vf);
557 }
558 });
559 reset();
560}
561
562void GameController::yankPak() {
563 if (!m_gameOpen) {
564 return;
565 }
566 Interrupter interrupter(this);
567 GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
568}
569
570void GameController::replaceGame(const QString& path) {
571 if (!m_gameOpen) {
572 return;
573 }
574
575 QFileInfo info(path);
576 if (!info.isReadable()) {
577 LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
578 return;
579 }
580 m_fname = info.canonicalFilePath();
581 Interrupter interrupter(this);
582 mDirectorySetDetachBase(&m_threadContext.core->dirs);
583 mCoreLoadFile(m_threadContext.core, m_fname.toLocal8Bit().constData());
584}
585
586void GameController::loadPatch(const QString& path) {
587 if (m_gameOpen) {
588 closeGame();
589 m_patch = path;
590 openGame();
591 } else {
592 m_patch = path;
593 }
594}
595
596void GameController::importSharkport(const QString& path) {
597 if (!isLoaded()) {
598 return;
599 }
600#ifdef M_CORE_GBA
601 if (platform() != PLATFORM_GBA) {
602 return;
603 }
604 VFile* vf = VFileDevice::open(path, O_RDONLY);
605 if (!vf) {
606 LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
607 return;
608 }
609 threadInterrupt();
610 GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
611 threadContinue();
612 vf->close(vf);
613#endif
614}
615
616void GameController::exportSharkport(const QString& path) {
617 if (!isLoaded()) {
618 return;
619 }
620#ifdef M_CORE_GBA
621 if (platform() != PLATFORM_GBA) {
622 return;
623 }
624 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
625 if (!vf) {
626 LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
627 return;
628 }
629 threadInterrupt();
630 GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
631 threadContinue();
632 vf->close(vf);
633#endif
634}
635
636void GameController::closeGame() {
637 if (!m_gameOpen) {
638 return;
639 }
640
641 if (mCoreThreadIsPaused(&m_threadContext)) {
642 mCoreThreadUnpause(&m_threadContext);
643 }
644 mCoreThreadEnd(&m_threadContext);
645}
646
647void GameController::cleanGame() {
648 if (!m_gameOpen || mCoreThreadIsActive(&m_threadContext)) {
649 return;
650 }
651 mCoreThreadJoin(&m_threadContext);
652
653 if (m_tileCache) {
654 mTileCacheDeinit(m_tileCache.get());
655 m_tileCache.reset();
656 }
657
658 delete[] m_drawContext;
659 delete[] m_frontBuffer;
660
661 m_threadContext.core->deinit(m_threadContext.core);
662 m_gameOpen = false;
663}
664
665void GameController::crashGame(const QString& crashMessage) {
666 closeGame();
667 emit gameCrashed(crashMessage);
668}
669
670bool GameController::isPaused() {
671 if (!m_gameOpen) {
672 return false;
673 }
674 return mCoreThreadIsPaused(&m_threadContext);
675}
676
677mPlatform GameController::platform() const {
678 if (!m_gameOpen) {
679 return PLATFORM_NONE;
680 }
681 return m_threadContext.core->platform(m_threadContext.core);
682}
683
684QSize GameController::screenDimensions() const {
685 if (!m_gameOpen) {
686 return QSize();
687 }
688 unsigned width, height;
689 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
690
691 return QSize(width, height);
692}
693
694void GameController::setPaused(bool paused) {
695 if (!isLoaded() || paused == mCoreThreadIsPaused(&m_threadContext)) {
696 return;
697 }
698 m_wasPaused = paused;
699 if (paused) {
700 m_pauseAfterFrame.testAndSetRelaxed(false, true);
701 } else {
702 mCoreThreadUnpause(&m_threadContext);
703 startAudio();
704 emit gameUnpaused(&m_threadContext);
705 }
706}
707
708void GameController::reset() {
709 if (!m_gameOpen) {
710 return;
711 }
712 bool wasPaused = isPaused();
713 setPaused(false);
714 Interrupter interrupter(this);
715 mCoreThreadReset(&m_threadContext);
716 if (wasPaused) {
717 setPaused(true);
718 }
719}
720
721void GameController::threadInterrupt() {
722 if (m_gameOpen) {
723 mCoreThreadInterrupt(&m_threadContext);
724 }
725}
726
727void GameController::threadContinue() {
728 if (m_gameOpen) {
729 mCoreThreadContinue(&m_threadContext);
730 }
731}
732
733void GameController::frameAdvance() {
734 if (m_pauseAfterFrame.testAndSetRelaxed(false, true)) {
735 setPaused(false);
736 }
737}
738
739void GameController::setRewind(bool enable, int capacity, bool rewindSave) {
740 if (m_gameOpen) {
741 Interrupter interrupter(this);
742 if (m_threadContext.core->opts.rewindEnable && m_threadContext.core->opts.rewindBufferCapacity > 0) {
743 mCoreRewindContextDeinit(&m_threadContext.rewind);
744 }
745 m_threadContext.core->opts.rewindEnable = enable;
746 m_threadContext.core->opts.rewindBufferCapacity = capacity;
747 m_threadContext.core->opts.rewindSave = rewindSave;
748 if (enable && capacity > 0) {
749 mCoreRewindContextInit(&m_threadContext.rewind, capacity);
750 m_threadContext.rewind.stateFlags = rewindSave ? SAVESTATE_SAVEDATA : 0;
751 }
752 }
753}
754
755void GameController::rewind(int states) {
756 threadInterrupt();
757 if (!states) {
758 states = INT_MAX;
759 }
760 for (int i = 0; i < states; ++i) {
761 if (!mCoreRewindRestore(&m_threadContext.rewind, m_threadContext.core)) {
762 break;
763 }
764 }
765 threadContinue();
766 emit frameAvailable(m_drawContext);
767 emit rewound(&m_threadContext);
768}
769
770void GameController::startRewinding() {
771 if (!isLoaded()) {
772 return;
773 }
774 if (!m_threadContext.core->opts.rewindEnable) {
775 return;
776 }
777 if (m_multiplayer && m_multiplayer->attached() > 1) {
778 return;
779 }
780 if (m_wasPaused) {
781 setPaused(false);
782 m_wasPaused = true;
783 }
784 mCoreThreadSetRewinding(&m_threadContext, true);
785}
786
787void GameController::stopRewinding() {
788 if (!isLoaded()) {
789 return;
790 }
791 mCoreThreadSetRewinding(&m_threadContext, false);
792 bool signalsBlocked = blockSignals(true);
793 setPaused(m_wasPaused);
794 blockSignals(signalsBlocked);
795}
796
797void GameController::keyPressed(int key) {
798 int mappedKey = 1 << key;
799 m_activeKeys |= mappedKey;
800 if (!m_inputController->allowOpposing()) {
801 if ((m_activeKeys & 0x30) == 0x30) {
802 m_inactiveKeys |= mappedKey ^ 0x30;
803 m_activeKeys ^= mappedKey ^ 0x30;
804 }
805 if ((m_activeKeys & 0xC0) == 0xC0) {
806 m_inactiveKeys |= mappedKey ^ 0xC0;
807 m_activeKeys ^= mappedKey ^ 0xC0;
808 }
809 }
810 updateKeys();
811}
812
813void GameController::keyReleased(int key) {
814 int mappedKey = 1 << key;
815 m_activeKeys &= ~mappedKey;
816 if (!m_inputController->allowOpposing()) {
817 if (mappedKey & 0x30) {
818 m_activeKeys |= m_inactiveKeys & (0x30 ^ mappedKey);
819 m_inactiveKeys &= ~0x30;
820 }
821 if (mappedKey & 0xC0) {
822 m_activeKeys |= m_inactiveKeys & (0xC0 ^ mappedKey);
823 m_inactiveKeys &= ~0xC0;
824 }
825 }
826 updateKeys();
827}
828
829void GameController::cursorLocation(int x, int y) {
830 if (!isLoaded()) {
831 return;
832 }
833 m_threadContext.core->setCursorLocation(m_threadContext.core, x, y);
834}
835
836void GameController::cursorDown(bool down) {
837 if (!isLoaded()) {
838 return;
839 }
840 m_threadContext.core->setCursorDown(m_threadContext.core, down);
841}
842
843void GameController::clearKeys() {
844 m_activeKeys = 0;
845 m_inactiveKeys = 0;
846 updateKeys();
847}
848
849void GameController::setAutofire(int key, bool enable) {
850 if (key >= GBA_KEY_MAX || key < 0) {
851 return;
852 }
853
854 if (!enable && m_autofireStatus[key]) {
855 keyReleased(key);
856 }
857
858 m_autofire[key] = enable;
859 m_autofireStatus[key] = 0;
860}
861
862void GameController::setAudioBufferSamples(int samples) {
863 if (m_audioProcessor) {
864 threadInterrupt();
865 redoSamples(samples);
866 threadContinue();
867 QMetaObject::invokeMethod(m_audioProcessor, "setBufferSamples", Qt::BlockingQueuedConnection, Q_ARG(int, samples));
868 }
869}
870
871void GameController::setAudioSampleRate(unsigned rate) {
872 if (!rate) {
873 return;
874 }
875 if (m_audioProcessor) {
876 threadInterrupt();
877 redoSamples(m_audioProcessor->getBufferSamples());
878 threadContinue();
879 QMetaObject::invokeMethod(m_audioProcessor, "requestSampleRate", Q_ARG(unsigned, rate));
880 }
881}
882
883void GameController::setAudioChannelEnabled(int channel, bool enable) {
884 if (channel > 5 || channel < 0) {
885 return;
886 }
887#ifdef M_CORE_GBA
888 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
889#endif
890#ifdef M_CORE_GB
891 GB* gb = static_cast<GB*>(m_threadContext.core->board);
892#endif
893 m_audioChannels[channel] = enable;
894 if (isLoaded()) {
895 switch (channel) {
896 case 0:
897 case 1:
898 case 2:
899 case 3:
900 switch (m_threadContext.core->platform(m_threadContext.core)) {
901#ifdef M_CORE_GBA
902 case PLATFORM_GBA:
903 gba->audio.psg.forceDisableCh[channel] = !enable;
904 break;
905#endif
906#ifdef M_CORE_GB
907 case PLATFORM_GB:
908 gb->audio.forceDisableCh[channel] = !enable;
909 break;
910#endif
911 default:
912 break;
913 }
914 break;
915#ifdef M_CORE_GBA
916 case 4:
917 if (m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
918 gba->audio.forceDisableChA = !enable;
919 }
920 break;
921 case 5:
922 if (m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
923 gba->audio.forceDisableChB = !enable;
924 }
925 break;
926#endif
927 }
928 }
929}
930
931void GameController::startAudio() {
932 bool started = false;
933 QMetaObject::invokeMethod(m_audioProcessor, "start", Qt::BlockingQueuedConnection, Q_RETURN_ARG(bool, started));
934 if (!started) {
935 LOG(QT, ERROR) << tr("Failed to start audio processor");
936 // Don't freeze!
937 m_audioSync = false;
938 m_videoSync = true;
939 m_threadContext.sync.audioWait = false;
940 m_threadContext.sync.videoFrameWait = true;
941 }
942}
943
944void GameController::setVideoLayerEnabled(int layer, bool enable) {
945 if (layer > 4 || layer < 0) {
946 return;
947 }
948 m_videoLayers[layer] = enable;
949#ifdef M_CORE_GBA
950 if (isLoaded() && m_threadContext.core->platform(m_threadContext.core) == PLATFORM_GBA) {
951 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
952 switch (layer) {
953 case 0:
954 case 1:
955 case 2:
956 case 3:
957 gba->video.renderer->disableBG[layer] = !enable;
958 break;
959 case 4:
960 gba->video.renderer->disableOBJ = !enable;
961 break;
962 }
963 }
964#endif
965}
966
967void GameController::setFPSTarget(float fps) {
968 Interrupter interrupter(this);
969 m_fpsTarget = fps;
970 m_threadContext.sync.fpsTarget = fps;
971 if (m_turbo && m_turboSpeed > 0) {
972 m_threadContext.sync.fpsTarget *= m_turboSpeed;
973 }
974 if (m_audioProcessor) {
975 redoSamples(m_audioProcessor->getBufferSamples());
976 }
977}
978
979void GameController::setUseBIOS(bool use) {
980 if (use == m_useBios) {
981 return;
982 }
983 m_useBios = use;
984 if (m_gameOpen) {
985 closeGame();
986 openGame();
987 }
988}
989
990void GameController::loadState(int slot) {
991 if (m_fname.isEmpty()) {
992 // We're in the BIOS
993 return;
994 }
995 if (slot > 0 && slot != m_stateSlot) {
996 m_stateSlot = slot;
997 m_backupSaveState.clear();
998 }
999 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
1000 GameController* controller = static_cast<GameController*>(context->userData);
1001 if (!controller->m_backupLoadState) {
1002 controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
1003 }
1004 mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
1005 if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
1006 controller->frameAvailable(controller->m_drawContext);
1007 controller->stateLoaded(context);
1008 }
1009 });
1010}
1011
1012void GameController::saveState(int slot) {
1013 if (m_fname.isEmpty()) {
1014 // We're in the BIOS
1015 return;
1016 }
1017 if (slot > 0) {
1018 m_stateSlot = slot;
1019 }
1020 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
1021 GameController* controller = static_cast<GameController*>(context->userData);
1022 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, false);
1023 if (vf) {
1024 controller->m_backupSaveState.resize(vf->size(vf));
1025 vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
1026 vf->close(vf);
1027 }
1028 mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
1029 });
1030}
1031
1032void GameController::loadBackupState() {
1033 if (!m_backupLoadState) {
1034 return;
1035 }
1036
1037 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
1038 GameController* controller = static_cast<GameController*>(context->userData);
1039 controller->m_backupLoadState->seek(controller->m_backupLoadState, 0, SEEK_SET);
1040 if (mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
1041 mLOG(STATUS, INFO, "Undid state load");
1042 controller->frameAvailable(controller->m_drawContext);
1043 controller->stateLoaded(context);
1044 }
1045 controller->m_backupLoadState->close(controller->m_backupLoadState);
1046 controller->m_backupLoadState = nullptr;
1047 });
1048}
1049
1050void GameController::saveBackupState() {
1051 if (m_backupSaveState.isEmpty()) {
1052 return;
1053 }
1054
1055 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
1056 GameController* controller = static_cast<GameController*>(context->userData);
1057 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, true);
1058 if (vf) {
1059 vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
1060 vf->close(vf);
1061 mLOG(STATUS, INFO, "Undid state save");
1062 }
1063 controller->m_backupSaveState.clear();
1064 });
1065}
1066
1067void GameController::setTurbo(bool set, bool forced) {
1068 if (m_turboForced && !forced) {
1069 return;
1070 }
1071 if (m_turbo == set && m_turboForced == (set && forced)) {
1072 // Don't interrupt the thread if we don't need to
1073 return;
1074 }
1075 if (!m_sync) {
1076 return;
1077 }
1078 m_turbo = set;
1079 m_turboForced = set && forced;
1080 enableTurbo();
1081}
1082
1083void GameController::setTurboSpeed(float ratio) {
1084 m_turboSpeed = ratio;
1085 enableTurbo();
1086}
1087
1088void GameController::enableTurbo() {
1089 Interrupter interrupter(this);
1090 bool shouldRedoSamples = false;
1091 if (!m_turbo) {
1092 shouldRedoSamples = m_threadContext.sync.fpsTarget != m_fpsTarget;
1093 m_threadContext.sync.fpsTarget = m_fpsTarget;
1094 m_threadContext.sync.audioWait = m_audioSync;
1095 m_threadContext.sync.videoFrameWait = m_videoSync;
1096 } else if (m_turboSpeed <= 0) {
1097 shouldRedoSamples = m_threadContext.sync.fpsTarget != m_fpsTarget;
1098 m_threadContext.sync.fpsTarget = m_fpsTarget;
1099 m_threadContext.sync.audioWait = false;
1100 m_threadContext.sync.videoFrameWait = false;
1101 } else {
1102 shouldRedoSamples = m_threadContext.sync.fpsTarget != m_fpsTarget * m_turboSpeed;
1103 m_threadContext.sync.fpsTarget = m_fpsTarget * m_turboSpeed;
1104 m_threadContext.sync.audioWait = true;
1105 m_threadContext.sync.videoFrameWait = false;
1106 }
1107 if (m_audioProcessor && shouldRedoSamples) {
1108 redoSamples(m_audioProcessor->getBufferSamples());
1109 }
1110}
1111
1112void GameController::setSync(bool enable) {
1113 m_turbo = false;
1114 m_turboForced = false;
1115 if (!enable) {
1116 m_threadContext.sync.audioWait = false;
1117 m_threadContext.sync.videoFrameWait = false;
1118 } else {
1119 m_threadContext.sync.audioWait = m_audioSync;
1120 m_threadContext.sync.videoFrameWait = m_videoSync;
1121 }
1122 m_sync = enable;
1123}
1124void GameController::setAVStream(mAVStream* stream) {
1125 Interrupter interrupter(this);
1126 m_stream = stream;
1127 if (isLoaded()) {
1128 m_threadContext.core->setAVStream(m_threadContext.core, stream);
1129 }
1130}
1131
1132void GameController::clearAVStream() {
1133 Interrupter interrupter(this);
1134 m_stream = nullptr;
1135 if (isLoaded()) {
1136 m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
1137 }
1138}
1139
1140#ifdef USE_PNG
1141void GameController::screenshot() {
1142 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
1143 mCoreTakeScreenshot(context->core);
1144 });
1145}
1146#endif
1147
1148void GameController::reloadAudioDriver() {
1149 int samples = 0;
1150 unsigned sampleRate = 0;
1151 if (m_audioProcessor) {
1152 QMetaObject::invokeMethod(m_audioProcessor, "pause", Qt::BlockingQueuedConnection);
1153 samples = m_audioProcessor->getBufferSamples();
1154 sampleRate = m_audioProcessor->sampleRate();
1155 delete m_audioProcessor;
1156 }
1157 m_audioProcessor = AudioProcessor::create();
1158 if (samples) {
1159 m_audioProcessor->setBufferSamples(samples);
1160 }
1161 if (sampleRate) {
1162 m_audioProcessor->requestSampleRate(sampleRate);
1163 }
1164 m_audioProcessor->moveToThread(m_audioThread);
1165 connect(this, SIGNAL(gamePaused(mCoreThread*)), m_audioProcessor, SLOT(pause()));
1166 connect(this, SIGNAL(gameStarted(mCoreThread*, const QString&)), m_audioProcessor, SLOT(setInput(mCoreThread*)));
1167 if (isLoaded()) {
1168 m_audioProcessor->setInput(&m_threadContext);
1169 startAudio();
1170 }
1171}
1172
1173void GameController::setSaveStateExtdata(int flags) {
1174 m_saveStateFlags = flags;
1175}
1176
1177void GameController::setLoadStateExtdata(int flags) {
1178 m_loadStateFlags = flags;
1179}
1180
1181void GameController::setLuminanceValue(uint8_t value) {
1182 m_luxValue = value;
1183 value = std::max<int>(value - 0x16, 0);
1184 m_luxLevel = 10;
1185 for (int i = 0; i < 10; ++i) {
1186 if (value < GBA_LUX_LEVELS[i]) {
1187 m_luxLevel = i;
1188 break;
1189 }
1190 }
1191 emit luminanceValueChanged(m_luxValue);
1192}
1193
1194void GameController::setLuminanceLevel(int level) {
1195 int value = 0x16;
1196 level = std::max(0, std::min(10, level));
1197 if (level > 0) {
1198 value += GBA_LUX_LEVELS[level - 1];
1199 }
1200 setLuminanceValue(value);
1201}
1202
1203void GameController::setRealTime() {
1204 if (!isLoaded()) {
1205 return;
1206 }
1207 m_threadContext.core->rtc.override = RTC_NO_OVERRIDE;
1208}
1209
1210void GameController::setFixedTime(const QDateTime& time) {
1211 if (!isLoaded()) {
1212 return;
1213 }
1214 m_threadContext.core->rtc.override = RTC_FIXED;
1215 m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
1216}
1217
1218void GameController::setFakeEpoch(const QDateTime& time) {
1219 if (!isLoaded()) {
1220 return;
1221 }
1222 m_threadContext.core->rtc.override = RTC_FAKE_EPOCH;
1223 m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
1224}
1225
1226void GameController::updateKeys() {
1227 int activeKeys = m_activeKeys;
1228 activeKeys |= m_activeButtons;
1229 activeKeys &= ~m_inactiveKeys;
1230 if (isLoaded()) {
1231 m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
1232 }
1233}
1234
1235void GameController::redoSamples(int samples) {
1236 if (m_threadContext.core) {
1237 m_threadContext.core->setAudioBufferSize(m_threadContext.core, samples);
1238 }
1239 QMetaObject::invokeMethod(m_audioProcessor, "inputParametersChanged");
1240}
1241
1242void GameController::setLogLevel(int levels) {
1243 Interrupter interrupter(this);
1244 m_logLevels = levels;
1245}
1246
1247void GameController::enableLogLevel(int levels) {
1248 Interrupter interrupter(this);
1249 m_logLevels |= levels;
1250}
1251
1252void GameController::disableLogLevel(int levels) {
1253 Interrupter interrupter(this);
1254 m_logLevels &= ~levels;
1255}
1256
1257void GameController::pollEvents() {
1258 if (!m_inputController) {
1259 return;
1260 }
1261
1262 m_activeButtons = m_inputController->pollEvents();
1263 updateKeys();
1264}
1265
1266void GameController::updateAutofire() {
1267 // TODO: Move all key events onto the CPU thread...somehow
1268 for (int k = 0; k < GBA_KEY_MAX; ++k) {
1269 if (!m_autofire[k]) {
1270 continue;
1271 }
1272 m_autofireStatus[k] ^= 1;
1273 if (m_autofireStatus[k]) {
1274 keyPressed(k);
1275 } else {
1276 keyReleased(k);
1277 }
1278 }
1279}
1280
1281std::shared_ptr<mTileCache> GameController::tileCache() {
1282 if (m_tileCache) {
1283 return m_tileCache;
1284 }
1285 switch (platform()) {
1286#ifdef M_CORE_GBA
1287 case PLATFORM_GBA: {
1288 Interrupter interrupter(this);
1289 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
1290 m_tileCache = std::make_shared<mTileCache>();
1291 GBAVideoTileCacheInit(m_tileCache.get());
1292 GBAVideoTileCacheAssociate(m_tileCache.get(), &gba->video);
1293 mTileCacheSetPalette(m_tileCache.get(), 0);
1294 break;
1295 }
1296#endif
1297#ifdef M_CORE_GB
1298 case PLATFORM_GB: {
1299 Interrupter interrupter(this);
1300 GB* gb = static_cast<GB*>(m_threadContext.core->board);
1301 m_tileCache = std::make_shared<mTileCache>();
1302 GBVideoTileCacheInit(m_tileCache.get());
1303 GBVideoTileCacheAssociate(m_tileCache.get(), &gb->video);
1304 mTileCacheSetPalette(m_tileCache.get(), 0);
1305 break;
1306 }
1307#endif
1308 default:
1309 return nullptr;
1310 }
1311 return m_tileCache;
1312}
1313
1314GameController::Interrupter::Interrupter(GameController* parent, bool fromThread)
1315 : m_parent(parent)
1316 , m_fromThread(fromThread)
1317{
1318 if (!m_fromThread) {
1319 m_parent->threadInterrupt();
1320 } else {
1321 mCoreThreadInterruptFromThread(m_parent->thread());
1322 }
1323}
1324
1325GameController::Interrupter::~Interrupter() {
1326 if (!m_fromThread) {
1327 m_parent->threadContinue();
1328 } else {
1329 mCoreThreadContinue(m_parent->thread());
1330 }
1331}