/*  OnePAD - author: arcum42(@gmail.com)
 *  Copyright (C) 2009
 *
 *  Based on ZeroPAD, author zerofrog@gmail.com
 *  Copyright (C) 2006-2007
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

#pragma once
#include <string.h> // for memset
#define MAX_KEYS 24

enum KeyType
{
	PAD_JOYBUTTONS = 0,
	PAD_AXIS,
	PAD_HAT,
	PAD_NULL = -1
};

extern void set_keyboad_key(int pad, int keysym, int index);
extern int get_keyboard_key(int pad, int keysym);
extern void set_key(int pad, int index, int value);
extern int get_key(int pad, int index);
extern bool IsAnalogKey(int index);

extern KeyType type_of_joykey(int pad, int index);
extern int key_to_button(int pad, int index);
extern int key_to_axis(int pad, int index);
extern bool key_to_axis_sign(int pad, int index);
extern bool key_to_axis_type(int pad, int index);
extern int key_to_hat_dir(int pad, int index);

extern int button_to_key(int button_id);
extern int axis_to_key(int full_axis, int sign, int axis_id);
extern int hat_to_key(int dir, int axis_id);

//extern int PadEnum[2][2]; // never used

class PADconf
{
	u32 ff_intensity;
	u32 sensibility;
	public:
	union {
		struct {
			u16 forcefeedback :1;
			u16 reverse_lx :1;
			u16 reverse_ly :1;
			u16 reverse_rx :1;
			u16 reverse_ry :1;
			u16 mouse_l :1;
			u16 mouse_r :1;
			u16 sixaxis_usb :1;
			u16 sixaxis_pressure :1;
			u16 _free : 7; // The 8 remaining bits are unused, do what you wish with them ;)
		} pad_options[GAMEPAD_NUMBER]; // One for each pads
		u32 packed_options; // Only first 8 bits of each 16 bits series are really used, rest is padding
	};

	u32 keys[GAMEPAD_NUMBER][MAX_KEYS];
	u32 log;
	u32 joyid_map;
	map<u32,u32> keysym_map[GAMEPAD_NUMBER];

	PADconf() { init(); }

	void init() {
		memset(&keys, 0, sizeof(keys));
		log = packed_options = joyid_map = 0;
		ff_intensity = 0x7FFF; // set it at max value by default
		sensibility = 500;
		for (int pad = 0; pad < GAMEPAD_NUMBER ; pad++)
		{
			keysym_map[pad].clear();
		    set_joyid((u32)pad, (u32)pad); // define id mapping for each gamepad
		}
	}

	void set_joyid(u32 pad, u32 joy_id) {
		int shift = 8 * pad;
		joyid_map &= ~(0xFF << shift); // clear
		joyid_map |= (joy_id & 0xFF) << shift; // set
	}

	u32 get_joyid(u32 pad) {
		int shift = 8 * pad;
		return ((joyid_map >> shift) & 0xFF);
	}

	/**
	 * Return (a copy of) private memner ff_instensity
	 **/
	u32 get_ff_intensity()
	{
		return ff_intensity;
	}

	/**
	 * Set intensity while checking that the new value is within
	 * valid range, more than 0x7FFF will cause pad not to rumble(and less than 0 is obviously bad)
	 **/
	void set_ff_intensity(u32 new_intensity)
	{
		if(new_intensity <= 0x7FFF && new_intensity >= 0)
		{
			ff_intensity = new_intensity;
		}
	}

	/**
	 * Set sensibility value, sensibility is not yet implemented(and will probably be after evdev)
	 * However, there will be an upper range too, less than 0 is an obvious wrong
	 * Anyway, we are doing object oriented code, members are definitely not supposed to be public
	 **/
	void set_sensibility(u32 new_sensibility)
	{
		if(sensibility > 0)
		{
			sensibility = new_sensibility;
		}
	}

	u32 get_sensibility()
	{
		return sensibility;
	}
};
extern PADconf *conf;