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