/* Copyright (c) 2013-2014 Jeffrey Pfau
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef SDL_EVENTS_H
#define SDL_EVENTS_H

#include "util/common.h"
#include "util/circle-buffer.h"
#include "util/vector.h"

#include "gba/supervisor/thread.h"

#include <SDL.h>

#define SDL_BINDING_KEY 0x53444C4BU
#define SDL_BINDING_BUTTON 0x53444C42U

#define MAX_PLAYERS 4

struct GBAVideoSoftwareRenderer;
struct Configuration;

struct SDL_JoystickCombo {
	SDL_JoystickID id;
	size_t index;
	SDL_Joystick* joystick;
#if SDL_VERSION_ATLEAST(2, 0, 0)
	SDL_Haptic* haptic;
#endif
};

DECLARE_VECTOR(SDL_JoystickList, struct SDL_JoystickCombo);

struct GBASDLPlayer;

struct GBASDLEvents {
	struct SDL_JoystickList joysticks;
	const char* preferredJoysticks[MAX_PLAYERS];
	int playersAttached;
	struct GBASDLPlayer* players[MAX_PLAYERS];
#if SDL_VERSION_ATLEAST(2, 0, 0)
	int screensaverSuspendDepth;
	bool screensaverSuspendable;
#endif
};

struct GBASDLPlayer {
	size_t playerId;
	struct GBAInputMap* bindings;
	struct SDL_JoystickCombo* joystick;
#if SDL_VERSION_ATLEAST(2, 0, 0)
	SDL_Window* window;
	int fullscreen;
	int windowUpdated;

	struct GBASDLRumble {
		struct GBARumble d;
		struct GBASDLPlayer* p;

		int level;
		struct CircleBuffer history;
	} rumble;
#endif

	struct GBASDLRotation {
		struct GBARotationSource d;
		struct GBASDLPlayer* p;

		// Tilt
		int axisX;
		int axisY;

		// Gyro
		int gyroX;
		int gyroY;
		float gyroSensitivity;
		struct CircleBuffer zHistory;
		int oldX;
		int oldY;
		float zDelta;
	} rotation;
};

bool GBASDLInitEvents(struct GBASDLEvents*);
void GBASDLDeinitEvents(struct GBASDLEvents*);

bool GBASDLAttachPlayer(struct GBASDLEvents*, struct GBASDLPlayer*);
void GBASDLDetachPlayer(struct GBASDLEvents*, struct GBASDLPlayer*);
void GBASDLEventsLoadConfig(struct GBASDLEvents*, const struct Configuration*);
void GBASDLPlayerChangeJoystick(struct GBASDLEvents*, struct GBASDLPlayer*, size_t index);
void GBASDLUpdateJoysticks(struct GBASDLEvents* events);

void GBASDLInitBindings(struct GBAInputMap* inputMap);
void GBASDLPlayerLoadConfig(struct GBASDLPlayer*, const struct Configuration*);
void GBASDLPlayerSaveConfig(const struct GBASDLPlayer*, struct Configuration*);

void GBASDLHandleEvent(struct GBAThread* context, struct GBASDLPlayer* sdlContext, const union SDL_Event* event);

#if SDL_VERSION_ATLEAST(2, 0, 0)
void GBASDLSuspendScreensaver(struct GBASDLEvents*);
void GBASDLResumeScreensaver(struct GBASDLEvents*);
void GBASDLSetScreensaverSuspendable(struct GBASDLEvents*, bool suspendable);
#endif

#endif