1/* Copyright (c) 2013-2015 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#ifndef QGBA_GAME_CONTROLLER
  7#define QGBA_GAME_CONTROLLER
  8
  9#include <QAtomicInt>
 10#include <QFile>
 11#include <QImage>
 12#include <QObject>
 13#include <QString>
 14#include <QTimer>
 15
 16#include <memory>
 17
 18#include <mgba/core/core.h>
 19#include <mgba/core/thread.h>
 20#include <mgba/gba/interface.h>
 21#include <mgba/internal/gba/input.h>
 22#ifdef BUILD_SDL
 23#include "platform/sdl/sdl-events.h"
 24#endif
 25
 26struct Configuration;
 27struct GBAAudio;
 28struct mCoreConfig;
 29struct mDebugger;
 30struct mTileCache;
 31
 32class QThread;
 33
 34namespace QGBA {
 35
 36class AudioProcessor;
 37class InputController;
 38class MultiplayerController;
 39class Override;
 40
 41class GameController : public QObject {
 42Q_OBJECT
 43
 44public:
 45	static const bool VIDEO_SYNC = false;
 46	static const bool AUDIO_SYNC = true;
 47
 48	class Interrupter {
 49	public:
 50		Interrupter(GameController*, bool fromThread = false);
 51		~Interrupter();
 52
 53	private:
 54		GameController* m_parent;
 55		bool m_fromThread;
 56	};
 57
 58	GameController(QObject* parent = nullptr);
 59	~GameController();
 60
 61	const uint32_t* drawContext() const { return m_drawContext; }
 62	mCoreThread* thread() { return &m_threadContext; }
 63	mCheatDevice* cheatDevice() { return m_threadContext.core ? m_threadContext.core->cheatDevice(m_threadContext.core) : nullptr; }
 64
 65	void threadInterrupt();
 66	void threadContinue();
 67
 68	bool isPaused();
 69	bool isLoaded() { return m_gameOpen && mCoreThreadIsActive(&m_threadContext); }
 70	mPlatform platform() const;
 71
 72	bool audioSync() const { return m_audioSync; }
 73	bool videoSync() const { return m_videoSync; }
 74	QSize screenDimensions() const;
 75
 76	void setInputController(InputController* controller) { m_inputController = controller; }
 77
 78	void setMultiplayerController(MultiplayerController* controller);
 79	MultiplayerController* multiplayerController() { return m_multiplayer; }
 80	void clearMultiplayerController();
 81
 82	void setOverride(Override* override);
 83	Override* override() { return m_override; }
 84	void clearOverride();
 85
 86	void setConfig(const mCoreConfig*);
 87
 88	int stateSlot() const { return m_stateSlot; }
 89
 90#ifdef USE_GDB_STUB
 91	mDebugger* debugger();
 92	void setDebugger(mDebugger*);
 93#endif
 94
 95	std::shared_ptr<mTileCache> tileCache();
 96
 97signals:
 98	void frameAvailable(const uint32_t*);
 99	void gameStarted(mCoreThread*, const QString& fname);
100	void gameStopped(mCoreThread*);
101	void gamePaused(mCoreThread*);
102	void gameUnpaused(mCoreThread*);
103	void gameCrashed(const QString& errorMessage);
104	void gameFailed();
105	void stateLoaded(mCoreThread*);
106	void rewound(mCoreThread*);
107	void unimplementedBiosCall(int);
108
109	void luminanceValueChanged(int);
110
111	void statusPosted(const QString& message);
112	void postLog(int level, int category, const QString& log);
113
114public slots:
115	void loadGame(const QString& path);
116	void loadGame(VFile* vf, const QString& base);
117	void loadBIOS(const QString& path);
118	void loadSave(const QString& path, bool temporary = true);
119	void yankPak();
120	void replaceGame(const QString& path);
121	void setUseBIOS(bool);
122	void loadPatch(const QString& path);
123	void importSharkport(const QString& path);
124	void exportSharkport(const QString& path);
125	void bootBIOS();
126	void closeGame();
127	void setPaused(bool paused);
128	void reset();
129	void frameAdvance();
130	void setRewind(bool enable, int capacity);
131	void rewind(int states = 0);
132	void startRewinding();
133	void stopRewinding();
134	void keyPressed(int key);
135	void keyReleased(int key);
136	void clearKeys();
137	void setAutofire(int key, bool enable);
138	void setAudioBufferSamples(int samples);
139	void setAudioSampleRate(unsigned rate);
140	void setAudioChannelEnabled(int channel, bool enable = true);
141	void startAudio();
142	void setVideoLayerEnabled(int layer, bool enable = true);
143	void setFPSTarget(float fps);
144	void loadState(int slot = 0);
145	void saveState(int slot = 0);
146	void loadBackupState();
147	void saveBackupState();
148	void setTurbo(bool, bool forced = true);
149	void setTurboSpeed(float ratio);
150	void setSync(bool);
151	void setAVStream(mAVStream*);
152	void clearAVStream();
153	void reloadAudioDriver();
154	void setSaveStateExtdata(int flags);
155	void setLoadStateExtdata(int flags);
156
157#ifdef USE_PNG
158	void screenshot();
159#endif
160
161	void setLuminanceValue(uint8_t value);
162	uint8_t luminanceValue() const { return m_luxValue; }
163	void setLuminanceLevel(int level);
164	void increaseLuminanceLevel() { setLuminanceLevel(m_luxLevel + 1); }
165	void decreaseLuminanceLevel() { setLuminanceLevel(m_luxLevel - 1); }
166
167	void setRealTime();
168	void setFixedTime(const QDateTime& time);
169	void setFakeEpoch(const QDateTime& time);
170
171	void setLogLevel(int);
172	void enableLogLevel(int);
173	void disableLogLevel(int);
174
175private slots:
176	void openGame(bool bios = false);
177	void crashGame(const QString& crashMessage);
178	void cleanGame();
179
180	void pollEvents();
181	void updateAutofire();
182
183private:
184	void updateKeys();
185	void redoSamples(int samples);
186	void enableTurbo();
187
188	uint32_t* m_drawContext;
189	uint32_t* m_frontBuffer;
190	mCoreThread m_threadContext;
191	const mCoreConfig* m_config;
192	mCheatDevice* m_cheatDevice;
193	int m_activeKeys;
194	int m_activeButtons;
195	int m_inactiveKeys;
196	int m_logLevels;
197
198	bool m_gameOpen;
199
200	QString m_fname;
201	VFile* m_vf;
202	QString m_bios;
203	bool m_useBios;
204	QString m_patch;
205	Override* m_override;
206
207	QThread* m_audioThread;
208	AudioProcessor* m_audioProcessor;
209
210	QAtomicInt m_pauseAfterFrame;
211	QList<std::function<void ()>> m_resetActions;
212
213	bool m_sync;
214	bool m_videoSync;
215	bool m_audioSync;
216	float m_fpsTarget;
217	bool m_turbo;
218	bool m_turboForced;
219	float m_turboSpeed;
220	bool m_wasPaused;
221
222	std::shared_ptr<mTileCache> m_tileCache;
223
224	bool m_audioChannels[6];
225	bool m_videoLayers[5];
226
227	bool m_autofire[GBA_KEY_MAX];
228	int m_autofireStatus[GBA_KEY_MAX];
229
230	int m_stateSlot;
231	struct VFile* m_backupLoadState;
232	QByteArray m_backupSaveState;
233	int m_saveStateFlags;
234	int m_loadStateFlags;
235
236	InputController* m_inputController;
237	MultiplayerController* m_multiplayer;
238
239	mAVStream* m_stream;
240
241	struct GameControllerLux : GBALuminanceSource {
242		GameController* p;
243		uint8_t value;
244	} m_lux;
245	uint8_t m_luxValue;
246	int m_luxLevel;
247
248	mRTCGenericSource m_rtc;
249};
250
251}
252
253#endif