/*********************************************************************\

*This file is part of My Nes                                          *

*A Nintendo Entertainment System Emulator.                            *

*                                                                     *

*Copyright (C) 2009 - 2010 Ala Hadid                                  *

*E-mail: mailto:ahdsoftwares@hotmail.com                              *

*                                                                     *

*My Nes 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 3 of the License, or    *

*(at your option) any later version.                                  *

*                                                                     *

*My Nes 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, see <http://www.gnu.org/licenses/>.*

\*********************************************************************/

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using SlimDX;

using SlimDX.DirectInput;

using MyNes.Nes.Input;

namespace MyNes

{

    public class JoyButton

    {

        private InputManager _manager;

        private int _device;

        private int _code;

        private string _input;



        public string Input

        {

            get

            {

                return _input;

            }

            set

            {

                _input = value;

                if (_input.StartsWith("Keyboard"))

                {

                    string keyName = _input.Substring(9, _input.Length - 9);

                    _device = 0;

                    _code = (int)Enum.Parse(typeof(Key), keyName);

                }

                else if (_input.StartsWith("Joystick"))

                {

                    string buttonNumber = _input.Substring(10, _input.Length - 10);

                    _device = Convert.ToInt32(_input.Substring(8, 1));



                    if (buttonNumber == "X+")

                        _code = -1;

                    else if (buttonNumber == "X-")

                        _code = -2;

                    else if (buttonNumber == "Y+")

                        _code = -3;

                    else if (buttonNumber == "Y-")

                        _code = -4;

                    else

                        _code = Convert.ToInt32(buttonNumber);

                }

            }

        }



        public JoyButton(InputManager manager)

        {

            _manager = manager;

        }



        public bool IsPressed()

        {

            if (_device >= _manager.Devices.Count)

            { return false; }



            InputDevice device = _manager.Devices[_device];



            if (device.Type == DeviceType.Keyboard)

            {

                if (device.KeyboardState != null)

                    return device.KeyboardState.IsPressed((Key)_code);

            }

            else if (device.Type == DeviceType.Joystick)

            {

                if (_code < 0)

                {

                    if (_code == -1)

                        return device.JoystickState.X > 0xC000;

                    else if (_code == -2)

                        return device.JoystickState.X < 0x4000;

                    else if (_code == -3)

                        return device.JoystickState.Y > 0xC000;

                    else if (_code == -4)

                        return device.JoystickState.Y < 0x4000;

                }

                else

                {

                    return device.JoystickState.IsPressed(_code);

                }

            }



            return false;

        }

    }

}