1/* Copyright (c) 2013-2014 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 SDL_EVENTS_H
  7#define SDL_EVENTS_H
  8
  9#include "util/common.h"
 10
 11#include "core/interface.h"
 12#include "util/circle-buffer.h"
 13#include "util/vector.h"
 14
 15#include <SDL.h>
 16
 17#define SDL_BINDING_KEY 0x53444C4BU
 18#define SDL_BINDING_BUTTON 0x53444C42U
 19
 20#define MAX_PLAYERS 4
 21
 22struct Configuration;
 23
 24struct SDL_JoystickCombo {
 25	SDL_JoystickID id;
 26	size_t index;
 27	SDL_Joystick* joystick;
 28#if SDL_VERSION_ATLEAST(2, 0, 0)
 29	SDL_Haptic* haptic;
 30#endif
 31};
 32
 33DECLARE_VECTOR(SDL_JoystickList, struct SDL_JoystickCombo);
 34
 35struct mSDLPlayer;
 36struct mSDLEvents {
 37	struct SDL_JoystickList joysticks;
 38	const char* preferredJoysticks[MAX_PLAYERS];
 39	int playersAttached;
 40	struct mSDLPlayer* players[MAX_PLAYERS];
 41#if SDL_VERSION_ATLEAST(2, 0, 0)
 42	int screensaverSuspendDepth;
 43	bool screensaverSuspendable;
 44#endif
 45};
 46
 47struct mSDLPlayer {
 48	size_t playerId;
 49	struct mInputMap* bindings;
 50	struct SDL_JoystickCombo* joystick;
 51#if SDL_VERSION_ATLEAST(2, 0, 0)
 52	SDL_Window* window;
 53	int fullscreen;
 54	int windowUpdated;
 55
 56	struct mSDLRumble {
 57		struct mRumble d;
 58		struct mSDLPlayer* p;
 59
 60		int level;
 61		struct CircleBuffer history;
 62	} rumble;
 63#endif
 64
 65	struct mSDLRotation {
 66		struct mRotationSource d;
 67		struct mSDLPlayer* p;
 68
 69		// Tilt
 70		int axisX;
 71		int axisY;
 72
 73		// Gyro
 74		int gyroX;
 75		int gyroY;
 76		float gyroSensitivity;
 77		struct CircleBuffer zHistory;
 78		int oldX;
 79		int oldY;
 80		float zDelta;
 81	} rotation;
 82};
 83
 84bool mSDLInitEvents(struct mSDLEvents*);
 85void mSDLDeinitEvents(struct mSDLEvents*);
 86
 87bool mSDLAttachPlayer(struct mSDLEvents*, struct mSDLPlayer*);
 88void mSDLDetachPlayer(struct mSDLEvents*, struct mSDLPlayer*);
 89void mSDLEventsLoadConfig(struct mSDLEvents*, const struct Configuration*);
 90void mSDLPlayerChangeJoystick(struct mSDLEvents*, struct mSDLPlayer*, size_t index);
 91void mSDLUpdateJoysticks(struct mSDLEvents* events);
 92
 93void mSDLPlayerLoadConfig(struct mSDLPlayer*, const struct Configuration*);
 94void mSDLPlayerSaveConfig(const struct mSDLPlayer*, struct Configuration*);
 95
 96void mSDLInitBindingsGBA(struct mInputMap* inputMap);
 97
 98struct mCoreThread;
 99void mSDLHandleEvent(struct mCoreThread* context, struct mSDLPlayer* sdlContext, const union SDL_Event* event);
100
101#if SDL_VERSION_ATLEAST(2, 0, 0)
102void mSDLSuspendScreensaver(struct mSDLEvents*);
103void mSDLResumeScreensaver(struct mSDLEvents*);
104void mSDLSetScreensaverSuspendable(struct mSDLEvents*, bool suspendable);
105#endif
106
107#endif