mirror of
https://github.com/Ryujinx/Opentk.git
synced 2024-12-26 22:45:37 +00:00
301 lines
9.6 KiB
C#
301 lines
9.6 KiB
C#
#region License
|
|
//
|
|
// The Open Toolkit Library License
|
|
//
|
|
// Copyright (c) 2006 - 2008 the Open Toolkit library, except where noted.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights to
|
|
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
|
// the Software, and to permit persons to whom the Software is furnished to do
|
|
// so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
// OTHER DEALINGS IN THE SOFTWARE.
|
|
//
|
|
#endregion
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Text;
|
|
using System.Runtime.InteropServices;
|
|
using OpenTK.Input;
|
|
|
|
namespace OpenTK.Platform.Windows
|
|
{
|
|
sealed class WinMMJoystick : IJoystickDriver
|
|
{
|
|
#region Fields
|
|
|
|
List<JoystickDevice> sticks = new List<JoystickDevice>();
|
|
IList<JoystickDevice> sticks_readonly;
|
|
|
|
bool disposed;
|
|
|
|
#endregion
|
|
|
|
#region Constructors
|
|
|
|
public WinMMJoystick()
|
|
{
|
|
sticks_readonly = sticks.AsReadOnly();
|
|
|
|
int number = 0, max_sticks = 25;
|
|
while (number < max_sticks)
|
|
{
|
|
JoystickDevice<WinMMJoyDetails> stick = OpenJoystick(number++);
|
|
if (stick != null)
|
|
{
|
|
stick.Description = String.Format("USB Joystick {0} ({1} axes, {2} buttons)", number, stick.Axis.Count, stick.Button.Count);
|
|
sticks.Add(stick);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Private Members
|
|
|
|
JoystickDevice<WinMMJoyDetails> OpenJoystick(int number)
|
|
{
|
|
JoystickDevice<WinMMJoyDetails> stick = null;
|
|
|
|
JoyCaps caps;
|
|
JoystickError result = UnsafeNativeMethods.joyGetDevCaps(number, out caps, JoyCaps.SizeInBytes);
|
|
if (result != JoystickError.NoError)
|
|
return null;
|
|
|
|
stick = new JoystickDevice<WinMMJoyDetails>(number, caps.NumAxes, caps.NumButtons);
|
|
stick.Details = new WinMMJoyDetails(caps.NumAxes);
|
|
int axis = 0;
|
|
if (axis < caps.NumAxes)
|
|
{ stick.Details.Min[axis] = caps.XMin; stick.Details.Max[axis] = caps.XMax; axis++; }
|
|
if (axis < caps.NumAxes)
|
|
{ stick.Details.Min[axis] = caps.YMin; stick.Details.Max[axis] = caps.YMax; axis++; }
|
|
if (axis < caps.NumAxes)
|
|
{ stick.Details.Min[axis] = caps.ZMin; stick.Details.Max[axis] = caps.ZMax; axis++; }
|
|
if (axis < caps.NumAxes)
|
|
{ stick.Details.Min[axis] = caps.RMin; stick.Details.Max[axis] = caps.RMax; axis++; }
|
|
if (axis < caps.NumAxes)
|
|
{ stick.Details.Min[axis] = caps.UMin; stick.Details.Max[axis] = caps.UMax; axis++; }
|
|
if (axis < caps.NumAxes)
|
|
{ stick.Details.Min[axis] = caps.VMin; stick.Details.Max[axis] = caps.VMax; axis++; }
|
|
|
|
return stick;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region IJoystickDriver
|
|
|
|
public int DeviceCount
|
|
{
|
|
get { return sticks.Count; }
|
|
}
|
|
|
|
public IList<JoystickDevice> Joysticks
|
|
{
|
|
get { return sticks_readonly; }
|
|
}
|
|
|
|
public void Poll()
|
|
{
|
|
foreach (JoystickDevice<WinMMJoyDetails> js in sticks)
|
|
{
|
|
JoyInfoEx info = new JoyInfoEx();
|
|
info.Size = JoyInfoEx.SizeInBytes;
|
|
info.Flags = JoystickFlags.All;
|
|
UnsafeNativeMethods.joyGetPosEx(js.Id, ref info);
|
|
|
|
int axis = 0;
|
|
if (axis < js.Axis.Count)
|
|
{ js.SetAxis((JoystickAxis)axis, js.Details.CalculateOffset((float)info.XPos, axis)); axis++; }
|
|
if (axis < js.Axis.Count)
|
|
{ js.SetAxis((JoystickAxis)axis, js.Details.CalculateOffset((float)info.YPos, axis)); axis++; }
|
|
if (axis < js.Axis.Count)
|
|
{ js.SetAxis((JoystickAxis)axis, js.Details.CalculateOffset((float)info.ZPos, axis)); axis++; }
|
|
if (axis < js.Axis.Count)
|
|
{ js.SetAxis((JoystickAxis)axis, js.Details.CalculateOffset((float)info.RPos, axis)); axis++; }
|
|
if (axis < js.Axis.Count)
|
|
{ js.SetAxis((JoystickAxis)axis, js.Details.CalculateOffset((float)info.UPos, axis)); axis++; }
|
|
if (axis < js.Axis.Count)
|
|
{ js.SetAxis((JoystickAxis)axis, js.Details.CalculateOffset((float)info.VPos, axis)); axis++; }
|
|
|
|
int button = 0;
|
|
while (button < js.Button.Count)
|
|
{
|
|
js.SetButton((JoystickButton)button, (info.Buttons & (1 << button)) != 0);
|
|
button++;
|
|
}
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region IDisposable
|
|
|
|
public void Dispose()
|
|
{
|
|
Dispose(true);
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
void Dispose(bool manual)
|
|
{
|
|
if (!disposed)
|
|
{
|
|
if (manual)
|
|
{
|
|
}
|
|
|
|
disposed = true;
|
|
}
|
|
}
|
|
|
|
~WinMMJoystick()
|
|
{
|
|
Dispose(false);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region UnsafeNativeMethods
|
|
|
|
[Flags]
|
|
enum JoystickFlags
|
|
{
|
|
X = 0x1,
|
|
Y = 0x2,
|
|
Z = 0x4,
|
|
R = 0x8,
|
|
U = 0x10,
|
|
V = 0x20,
|
|
Pov = 0x40,
|
|
Buttons = 0x80,
|
|
All = X | Y | Z | R | U | V | Pov | Buttons
|
|
}
|
|
|
|
enum JoystickError : uint
|
|
{
|
|
NoError = 0,
|
|
InvalidParameters = 165,
|
|
NoCanDo = 166,
|
|
Unplugged = 167
|
|
//MM_NoDriver = 6,
|
|
//MM_InvalidParameter = 11
|
|
}
|
|
|
|
|
|
struct JoyCaps
|
|
{
|
|
public ushort Mid;
|
|
public ushort Pid;
|
|
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
|
|
public string Pname;
|
|
public int XMin;
|
|
public int XMax;
|
|
public int YMin;
|
|
public int YMax;
|
|
public int ZMin;
|
|
public int ZMax;
|
|
public int NumButtons;
|
|
public int PeriodMin;
|
|
public int PeriodMax;
|
|
public int RMin;
|
|
public int RMax;
|
|
public int UMin;
|
|
public int UMax;
|
|
public int VMin;
|
|
public int VMax;
|
|
public int Caps;
|
|
public int MaxAxes;
|
|
public int NumAxes;
|
|
public int MaxButtons;
|
|
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
|
|
public string RegKey;
|
|
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
|
|
public string OemVxD;
|
|
|
|
public static readonly int SizeInBytes;
|
|
|
|
static JoyCaps()
|
|
{
|
|
SizeInBytes = Marshal.SizeOf(default(JoyCaps));
|
|
}
|
|
}
|
|
|
|
struct JoyInfoEx
|
|
{
|
|
public int Size;
|
|
[MarshalAs(UnmanagedType.I4)]
|
|
public JoystickFlags Flags;
|
|
public int XPos;
|
|
public int YPos;
|
|
public int ZPos;
|
|
public int RPos;
|
|
public int UPos;
|
|
public int VPos;
|
|
public uint Buttons;
|
|
public uint ButtonNumber;
|
|
public int Pov;
|
|
uint Reserved1;
|
|
uint Reserved2;
|
|
|
|
public static readonly int SizeInBytes;
|
|
|
|
static JoyInfoEx()
|
|
{
|
|
SizeInBytes = Marshal.SizeOf(default(JoyInfoEx));
|
|
}
|
|
}
|
|
|
|
static class UnsafeNativeMethods
|
|
{
|
|
[DllImport("Winmm.dll")]
|
|
public static extern JoystickError joyGetDevCaps(int uJoyID, out JoyCaps pjc, int cbjc);
|
|
[DllImport("Winmm.dll")]
|
|
public static extern uint joyGetPosEx(int uJoyID, ref JoyInfoEx pji);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region struct WinMMJoyDetails
|
|
|
|
struct WinMMJoyDetails
|
|
{
|
|
public readonly float[] Min, Max; // Minimum and maximum offset of each axis.
|
|
|
|
public WinMMJoyDetails(int num_axes)
|
|
{
|
|
Min = new float[num_axes];
|
|
Max = new float[num_axes];
|
|
}
|
|
|
|
public float CalculateOffset(float pos, int axis)
|
|
{
|
|
float offset = (2 * (pos - Min[axis])) / (Max[axis] - Min[axis]) - 1;
|
|
if (offset > 1)
|
|
return 1;
|
|
else if (offset < -1)
|
|
return -1;
|
|
else if (offset < 0.001f && offset > -0.001f)
|
|
return 0;
|
|
else
|
|
return offset;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|