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	QPair<unsigned, unsigned> frameRate() 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& path, const QString& base);
117	void loadBIOS(int platform, 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, bool rewindSave);
131	void rewind(int states = 0);
132	void startRewinding();
133	void stopRewinding();
134	void keyPressed(int key);
135	void keyReleased(int key);
136	void cursorLocation(int x, int y);
137	void cursorDown(bool);
138	void clearKeys();
139	void setAutofire(int key, bool enable);
140	void setAudioBufferSamples(int samples);
141	void setAudioSampleRate(unsigned rate);
142	void setAudioChannelEnabled(int channel, bool enable = true);
143	void startAudio();
144	void setVideoLayerEnabled(int layer, bool enable = true);
145	void setFPSTarget(float fps);
146	void loadState(int slot = 0);
147	void saveState(int slot = 0);
148	void loadBackupState();
149	void saveBackupState();
150	void setTurbo(bool, bool forced = true);
151	void setTurboSpeed(float ratio);
152	void setSync(bool);
153	void setAudioSync(bool);
154	void setVideoSync(bool);
155	void setAVStream(mAVStream*);
156	void clearAVStream();
157	void reloadAudioDriver();
158	void setSaveStateExtdata(int flags);
159	void setLoadStateExtdata(int flags);
160	void setPreload(bool);
161
162#ifdef USE_PNG
163	void screenshot();
164#endif
165
166	void setLuminanceValue(uint8_t value);
167	uint8_t luminanceValue() const { return m_luxValue; }
168	void setLuminanceLevel(int level);
169	void increaseLuminanceLevel() { setLuminanceLevel(m_luxLevel + 1); }
170	void decreaseLuminanceLevel() { setLuminanceLevel(m_luxLevel - 1); }
171
172	void setRealTime();
173	void setFixedTime(const QDateTime& time);
174	void setFakeEpoch(const QDateTime& time);
175
176	void setLogLevel(int);
177	void enableLogLevel(int);
178	void disableLogLevel(int);
179
180private slots:
181	void openGame(bool bios = false);
182	void crashGame(const QString& crashMessage);
183	void cleanGame();
184
185	void pollEvents();
186	void updateAutofire();
187
188private:
189	void updateKeys();
190	void redoSamples(int samples);
191	void enableTurbo();
192
193	uint32_t* m_drawContext;
194	uint32_t* m_frontBuffer;
195	mCoreThread m_threadContext;
196	const mCoreConfig* m_config;
197	mCheatDevice* m_cheatDevice;
198	int m_activeKeys;
199	int m_activeButtons;
200	int m_inactiveKeys;
201	int m_logLevels;
202
203	bool m_gameOpen;
204
205	QString m_fname;
206	QString m_fsub;
207	VFile* m_vf;
208	QString m_bios;
209	bool m_useBios;
210	QString m_patch;
211	Override* m_override;
212
213	AudioProcessor* m_audioProcessor;
214
215	QAtomicInt m_pauseAfterFrame;
216	QList<std::function<void ()>> m_resetActions;
217
218	bool m_sync;
219	bool m_videoSync;
220	bool m_audioSync;
221	float m_fpsTarget;
222	bool m_turbo;
223	bool m_turboForced;
224	float m_turboSpeed;
225	bool m_wasPaused;
226
227	std::shared_ptr<mTileCache> m_tileCache;
228
229	QList<bool> m_audioChannels;
230	QList<bool> m_videoLayers;
231
232	bool m_autofire[GBA_KEY_MAX];
233	int m_autofireStatus[GBA_KEY_MAX];
234
235	int m_stateSlot;
236	struct VFile* m_backupLoadState;
237	QByteArray m_backupSaveState;
238	int m_saveStateFlags;
239	int m_loadStateFlags;
240
241	bool m_preload;
242
243	InputController* m_inputController;
244	MultiplayerController* m_multiplayer;
245
246	mAVStream* m_stream;
247
248	struct GameControllerLux : GBALuminanceSource {
249		GameController* p;
250		uint8_t value;
251	} m_lux;
252	uint8_t m_luxValue;
253	int m_luxLevel;
254};
255
256}
257
258#endif