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_INPUT_CONTROLLER_H
  7#define QGBA_INPUT_CONTROLLER_H
  8
  9#include "GamepadAxisEvent.h"
 10#include "GamepadHatEvent.h"
 11
 12#include <QImage>
 13#include <QMutex>
 14#include <QObject>
 15#include <QSet>
 16#include <QTimer>
 17#include <QVector>
 18
 19#include <memory>
 20
 21#include <mgba/gba/interface.h>
 22#include <mgba/internal/gba/input.h>
 23
 24#ifdef BUILD_SDL
 25#include "platform/sdl/sdl-events.h"
 26#endif
 27
 28
 29#ifdef BUILD_QT_MULTIMEDIA
 30#include "VideoDumper.h"
 31#endif
 32
 33struct mRotationSource;
 34struct mRumble;
 35
 36class QCamera;
 37
 38namespace QGBA {
 39
 40class ConfigController;
 41
 42class InputController : public QObject {
 43Q_OBJECT
 44
 45public:
 46	enum class CameraDriver : int {
 47		NONE = 0,
 48#ifdef BUILD_QT_MULTIMEDIA
 49		QT_MULTIMEDIA = 1,
 50#endif
 51	};
 52
 53	static const uint32_t KEYBOARD = 0x51545F4B;
 54
 55	InputController(int playerId = 0, QWidget* topLevel = nullptr, QObject* parent = nullptr);
 56	~InputController();
 57
 58	void setConfiguration(ConfigController* config);
 59	void saveConfiguration();
 60	void loadConfiguration(uint32_t type);
 61	void loadProfile(uint32_t type, const QString& profile);
 62	void saveConfiguration(uint32_t type);
 63	void saveProfile(uint32_t type, const QString& profile);
 64	const char* profileForType(uint32_t type);
 65
 66	GBAKey mapKeyboard(int key) const;
 67
 68	void bindKey(uint32_t type, int key, GBAKey);
 69
 70	const mInputMap* map() const { return &m_inputMap; }
 71
 72	int pollEvents();
 73
 74	static const int32_t AXIS_THRESHOLD = 0x3000;
 75	QSet<int> activeGamepadButtons(int type);
 76	QSet<QPair<int, GamepadAxisEvent::Direction>> activeGamepadAxes(int type);
 77	QSet<QPair<int, GamepadHatEvent::Direction>> activeGamepadHats(int type);
 78	void recalibrateAxes();
 79
 80	void bindAxis(uint32_t type, int axis, GamepadAxisEvent::Direction, GBAKey);
 81	void unbindAllAxes(uint32_t type);
 82
 83	void bindHat(uint32_t type, int hat, GamepadHatEvent::Direction, GBAKey);
 84
 85	QStringList connectedGamepads(uint32_t type) const;
 86	int gamepad(uint32_t type) const;
 87	void setGamepad(uint32_t type, int index);
 88	void setPreferredGamepad(uint32_t type, const QString& device);
 89
 90	void registerTiltAxisX(int axis);
 91	void registerTiltAxisY(int axis);
 92	void registerGyroAxisX(int axis);
 93	void registerGyroAxisY(int axis);
 94
 95	float gyroSensitivity() const;
 96	void setGyroSensitivity(float sensitivity);
 97
 98	void stealFocus(QWidget* focus);
 99	void releaseFocus(QWidget* focus);
100
101	mRumble* rumble();
102	mRotationSource* rotationSource();
103	mImageSource* imageSource() { return &m_image; }
104	GBALuminanceSource* luminance() { return &m_lux; }
105
106signals:
107	void profileLoaded(const QString& profile);
108	void luminanceValueChanged(int value);
109
110public slots:
111	void testGamepad(int type);
112	void updateJoysticks();
113
114	// TODO: Move these to somewhere that makes sense
115	void suspendScreensaver();
116	void resumeScreensaver();
117	void setScreensaverSuspendable(bool);
118
119	void increaseLuminanceLevel();
120	void decreaseLuminanceLevel();
121	void setLuminanceLevel(int level);
122	void setLuminanceValue(uint8_t value);
123
124	void loadCamImage(const QString& path);
125	void setCamImage(const QImage& image);
126
127private slots:
128	void setupCam();
129	void teardownCam();
130
131private:
132	void postPendingEvent(GBAKey);
133	void clearPendingEvent(GBAKey);
134	bool hasPendingEvent(GBAKey) const;
135	void sendGamepadEvent(QEvent*);
136
137	struct InputControllerLux : GBALuminanceSource {
138		InputController* p;
139		uint8_t value;
140	} m_lux;
141	uint8_t m_luxValue;
142	int m_luxLevel;
143
144	struct InputControllerImage : mImageSource {
145		InputController* p;
146		QImage image;
147		QImage resizedImage;
148		bool outOfDate;
149		QMutex mutex;
150		unsigned w, h;
151	} m_image;
152
153#ifdef BUILD_QT_MULTIMEDIA
154	std::unique_ptr<QCamera> m_camera;
155	VideoDumper m_videoDumper;
156#endif
157
158	mInputMap m_inputMap;
159	ConfigController* m_config = nullptr;
160	int m_playerId;
161	QWidget* m_topLevel;
162	QWidget* m_focusParent;
163
164#ifdef BUILD_SDL
165	static int s_sdlInited;
166	static mSDLEvents s_sdlEvents;
167	mSDLPlayer m_sdlPlayer{};
168	bool m_playerAttached = false;
169#endif
170
171	QVector<int> m_deadzones;
172
173	QSet<int> m_activeButtons;
174	QSet<QPair<int, GamepadAxisEvent::Direction>> m_activeAxes;
175	QSet<QPair<int, GamepadHatEvent::Direction>> m_activeHats;
176	QTimer m_gamepadTimer{nullptr};
177
178	QSet<GBAKey> m_pendingEvents;
179};
180
181}
182
183#endif