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