C# でジョイスティックを使う方法

C#  でジョイスティックを使う方法について記載します。

 

 

目次

1. まずは動かしてみる

参考

 

 

1. まずは動かしてみる

[概要]

まずは動かしてみます。

 

[環境]

 

こんな感じのテストプログラムを作成してみます。

作成するプログラムの画面

 

["Joystick.cs"]

  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5. using System.Runtime.InteropServices;
  6.  
  7. namespace JoyStickController
  8. {
  9.     public enum JOYSTICK_ID
  10.     {
  11.         JOYSTICKID1 = 0,
  12.         JOYSTICKID2 = 1,
  13.         JOYSTICKID3 = 2,
  14.         JOYSTICKID4 = 3,
  15.         JOYSTICKID5 = 4,
  16.         JOYSTICKID6 = 5,
  17.         JOYSTICKID7 = 6,
  18.         JOYSTICKID8 = 7,
  19.         JOYSTICKID9 = 8,
  20.         JOYSTICKID10 = 9,
  21.         JOYSTICKID11 = 10,
  22.         JOYSTICKID12 = 11,
  23.         JOYSTICKID13 = 12,
  24.         JOYSTICKID14 = 13,
  25.         JOYSTICKID15 = 14,
  26.         JOYSTICKID16 = 15
  27.     }
  28.  
  29.     [StructLayout(LayoutKind.Sequential)]
  30.     public struct JOYINFO
  31.     {
  32.         public uint dwXpos;
  33.         public uint dwYpos;
  34.         public uint dwZpos;
  35.         public uint dwButtons;
  36.     }
  37.  
  38.     [StructLayout(LayoutKind.Sequential)]
  39.     public struct JOYINFOEX
  40.     {
  41.         public uint dwSize;
  42.         public uint dwFlags;
  43.         public uint dwXpos;
  44.         public uint dwYpos;
  45.         public uint dwZpos;
  46.         public uint dwRpos;
  47.         public uint dwUpos;
  48.         public uint dwVpos;
  49.         public uint dwButtons;
  50.         public uint dwButtonNumber;
  51.         public uint dwPOV;
  52.         public uint dwReserved1;
  53.         public uint dwReserved2;
  54.     }
  55.  
  56.     public enum MMRESULT : uint
  57.     {
  58.         JOYERR_NOERROR = 0,
  59.         MMSYSERR_NOERROR = 0,
  60.         MMSYSERR_ERROR = 1,
  61.         MMSYSERR_BADDEVICEID = 2,
  62.         MMSYSERR_NOTENABLED = 3,
  63.         MMSYSERR_ALLOCATED = 4,
  64.         MMSYSERR_INVALHANDLE = 5,
  65.         MMSYSERR_NODRIVER = 6,
  66.         MMSYSERR_NOMEM = 7,
  67.         MMSYSERR_NOTSUPPORTED = 8,
  68.         MMSYSERR_BADERRNUM = 9,
  69.         MMSYSERR_INVALFLAG = 10,
  70.         MMSYSERR_INVALPARAM = 11,
  71.         MMSYSERR_HANDLEBUSY = 12,
  72.         MMSYSERR_INVALIDALIAS = 13,
  73.         MMSYSERR_BADDB = 14,
  74.         MMSYSERR_KEYNOTFOUND = 15,
  75.         MMSYSERR_READERROR = 16,
  76.         MMSYSERR_WRITEERROR = 17,
  77.         MMSYSERR_DELETEERROR = 18,
  78.         MMSYSERR_VALNOTFOUND = 19,
  79.         MMSYSERR_NODRIVERCB = 20,
  80.         WAVERR_BADFORMAT = 32,
  81.         WAVERR_STILLPLAYING = 33,
  82.         WAVERR_UNPREPARED = 34,
  83.  
  84.         JOYERR_PARMS = NativeMethods.JOYERR_PARMS,          //!< 165: 指定されたジョイスティックＩＤは無効
  85.         JOYERR_UNPLUGGED = NativeMethods.JOYERR_UNPLUGGED   //!< 167: 指定されたジョイスティックが接続されていない
  86.     }
  87.  
  88.     public class JoyStick
  89.     {
  90.         private JOYINFO _pji;
  91.         private JOYINFOEX _pjiex;
  92.         private MMRESULT _mmresult;
  93.  
  94.         public JoyStick(JOYSTICK_ID joystick_id)
  95.         {
  96.             _pji = new JOYINFO();
  97.             _pjiex = new JOYINFOEX();
  98.             JoystickId = joystick_id;
  99.         }
  100.  
  101.         public JOYSTICK_ID JoystickId { get; }
  102.  
  103.         private MMRESULT GetPos(uint uJoyID, ref JOYINFO pji)
  104.         {
  105.             return NativeMethods.joyGetPos(uJoyID, ref pji);
  106.         }
  107.  
  108.         private MMRESULT GetPosEx(uint uJoyID, ref JOYINFOEX pjiex)
  109.         {
  110.             return NativeMethods.joyGetPosEx(uJoyID, ref pjiex);
  111.         }
  112.  
  113.         public JOYINFO GetPos()
  114.         {
  115.             _mmresult = GetPos((uint)JoystickId, ref _pji);
  116.             return _pji;
  117.         }
  118.  
  119.         public JOYINFOEX GetPosEx()
  120.         {
  121.             _pjiex.dwSize = (uint)Marshal.SizeOf(_pjiex);
  122.             _pjiex.dwFlags = NativeMethods.JOY_RETURNALL;
  123.             _mmresult = GetPosEx((uint)JoystickId, ref _pjiex);
  124.             return _pjiex;
  125.         }
  126.  
  127.         public static MMRESULT JoyConfigChanged()
  128.         {
  129.             return NativeMethods.joyConfigChanged(0);
  130.         }
  131.  
  132.         public MMRESULT GetMMRESULT()
  133.         {
  134.             return _mmresult;
  135.         }
  136.     }
  137.  
  138.     internal static class NativeMethods
  139.     {
  140. #pragma warning disable IDE1006 // 命名スタイル
  141.         [DllImport("winmm.dll")]
  142.         public static extern uint joyGetNumDevs();
  143.         [DllImport("winmm.dll")]
  144.         public static extern MMRESULT joyGetPos(uint uJoyID, ref JOYINFO pji);
  145.         [DllImport("winmm.dll"), System.Security.SuppressUnmanagedCodeSecurity]
  146.         public static extern MMRESULT joyGetPosEx(uint uJoyID, ref JOYINFOEX pjiex);
  147.         [DllImport("winmm.dll")]
  148.         public static extern MMRESULT joyConfigChanged(uint dwFlags);
  149. #pragma warning restore IDE1006 // 命名スタイル
  150.  
  151.         public static UInt32 JOY_RETURNX = 0x00000001;
  152.         public static UInt32 JOY_RETURNY = 0x00000002;
  153.         public static UInt32 JOY_RETURNZ = 0x00000004;
  154.         public static UInt32 JOY_RETURNR = 0x00000008;
  155.         public static UInt32 JOY_RETURNU = 0x00000010;
  156.         public static UInt32 JOY_RETURNV = 0x00000020;
  157.         public static UInt32 JOY_RETURNPOV = 0x00000040;
  158.         public static UInt32 JOY_RETURNBUTTONS = 0x00000080;
  159.         public static UInt32 JOY_RETURNALL = (JOY_RETURNX | JOY_RETURNY | JOY_RETURNZ | JOY_RETURNR | JOY_RETURNU | JOY_RETURNV | JOY_RETURNPOV | JOY_RETURNBUTTONS);
  160.  
  161.         public const int JOYERR_BASE = 160;
  162.         public const int JOYERR_PARMS = (JOYERR_BASE + 5);              //!< 指定されたジョイスティックＩＤは無効
  163.         public const int JOYERR_UNPLUGGED = (JOYERR_BASE + 7);          //!< 指定されたジョイスティックが接続されていない
  164.         public const int MMSYSERR_BASE = 0;
  165.         public const int MMSYSERR_BADDEVICEID = (MMSYSERR_BASE + 2);
  166.         public const int MMSYSERR_INVALPARAM = (MMSYSERR_BASE + 11);
  167.     }
  168. }

 

["Form1.cs"]

  1. using JoyStickController;
  2. using System;
  3. using System.Windows.Forms;
  4.  
  5. namespace test_JoyStick
  6. {
  7.     public partial class Form1 : Form
  8.     {
  9.         private JoyStick _joyStick1 = new JoyStick(JOYSTICK_ID.JOYSTICKID1);
  10.         private JoyStick _joyStick2 = new JoyStick(JOYSTICK_ID.JOYSTICKID2);
  11.  
  12.         public Form1()
  13.         {
  14.             InitializeComponent();
  15.         }
  16.  
  17.         private void Timer1_Tick(object sender, EventArgs e)
  18.         {
  19.             // JoyStick 1
  20.             {
  21.                 JOYINFOEX joyInfoEx1 = _joyStick1.GetPosEx();
  22.  
  23.                 if (_joyStick1.GetMMRESULT() == MMRESULT.JOYERR_NOERROR) {
  24.                     tb_x_1.Text = joyInfoEx1.dwXpos.ToString();
  25.                     tb_y_1.Text = joyInfoEx1.dwYpos.ToString();
  26.                     tb_z_1.Text = joyInfoEx1.dwZpos.ToString();
  27.                     tb_buttons_1.Text = joyInfoEx1.dwButtons.ToString("X8");
  28.                     tb_JoyStick1_ID.Text = (_joyStick1.JoystickId).ToString();
  29.                 }
  30.                 else
  31.                 {
  32.                     if (tb_x_1.Text != "")
  33.                     {
  34.                         JoyStick.JoyConfigChanged();
  35.                     }
  36.                     tb_x_1.Text = "";
  37.                     tb_y_1.Text = "";
  38.                     tb_z_1.Text = "";
  39.                     tb_buttons_1.Text = "";
  40.                     tb_JoyStick1_ID.Text = "";
  41.                 }
  42.             }
  43.  
  44.             // JoyStick 2
  45.             {
  46.                 JOYINFOEX joyInfoEx2 = _joyStick2.GetPosEx();
  47.  
  48.                 if (_joyStick2.GetMMRESULT() == MMRESULT.JOYERR_NOERROR)
  49.                 {
  50.                     tb_x_2.Text = joyInfoEx2.dwXpos.ToString();
  51.                     tb_y_2.Text = joyInfoEx2.dwYpos.ToString();
  52.                     tb_z_2.Text = joyInfoEx2.dwZpos.ToString();
  53.                     tb_buttons_2.Text = joyInfoEx2.dwButtons.ToString("X8");
  54.                     tb_JoyStick2_ID.Text = (_joyStick2.JoystickId).ToString();
  55.                 }
  56.                 else
  57.                 {
  58.                     if (tb_x_2.Text != "")
  59.                     {
  60.                         JoyStick.JoyConfigChanged();
  61.                     }
  62.                     tb_x_2.Text = "";
  63.                     tb_y_2.Text = "";
  64.                     tb_z_2.Text = "";
  65.                     tb_buttons_2.Text = "";
  66.                     tb_JoyStick2_ID.Text = "";
  67.                 }
  68.             }
  69.         }
  70.  
  71.         private void Button1_Click(object sender, EventArgs e)
  72.         {
  73.             Close();
  74.         }
  75.     }
  76. }

 

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参考

 

記載：
2018年05月19日 新規作成、木下英俊