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[Win] Fixed axis/button detection

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We can now discover button range collections.
This commit is contained in:
thefiddler 2014-07-31 09:49:43 +02:00
parent f3b3b8860e
commit 8fddf8b669
1 changed files with 62 additions and 18 deletions
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80
Source/OpenTK/Platform/Windows/WinRawJoystick.cs
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@ -220,7 +220,11 @@ namespace OpenTK.Platform.Windows
}
HidProtocolCaps caps;
if (!GetDeviceCaps(PreparsedData, out caps, ref AxisCaps, ref ButtonCaps))
int axis_caps_count;
int button_caps_count;
if (!GetDeviceCaps(PreparsedData, out caps,
ref AxisCaps, out axis_caps_count,
ref ButtonCaps, out button_caps_count))
{
return false;
}
@ -253,8 +257,8 @@ namespace OpenTK.Platform.Windows
}
}
UpdateAxes(stick, caps, AxisCaps, DataBuffer);
UpdateButtons(stick, caps, ButtonCaps, DataBuffer);
UpdateAxes(stick, caps, AxisCaps, axis_caps_count, DataBuffer);
UpdateButtons(stick, caps, ButtonCaps, button_caps_count, DataBuffer);
return true;
}
@ -297,16 +301,25 @@ namespace OpenTK.Platform.Windows
JoystickCapabilities GetDeviceCaps(IntPtr handle)
{
HidProtocolCaps caps;
int axis_count;
int button_count;
if (GetPreparsedData(handle, ref PreparsedData) &&
GetDeviceCaps(PreparsedData, out caps, ref AxisCaps, ref ButtonCaps))
GetDeviceCaps(PreparsedData, out caps,
ref AxisCaps, out axis_count,
ref ButtonCaps, out button_count))
{
int axes = 0;
int dpads = 0;
int buttons = 0;
for (int i = 0; i < caps.NumberInputValueCaps; i++)
for (int i = 0; i < axis_count; i++)
{
if (AxisCaps[i].IsRange)
continue; // Todo: range values not currently supported
{
Debug.Print("[WinRawJoystick] Range axis elements not implemented.");
continue;
}
switch (AxisCaps[i].UsagePage)
{
@ -347,14 +360,41 @@ namespace OpenTK.Platform.Windows
}
}
return new JoystickCapabilities(axes, buttons, 0, true);
for (int i = 0; i < button_count; i++)
{
bool is_range = ButtonCaps[i].IsRange;
HIDPage page = ButtonCaps[i].UsagePage;
switch (page)
{
case HIDPage.Button:
if (is_range)
{
buttons += ButtonCaps[i].Range.UsageMax - ButtonCaps[i].Range.UsageMin + 1;
}
else
{
buttons++;
}
break;
default:
Debug.Print("[WinRawJoystick] Unknown HIDPage {0} for button.", page);
break;
}
}
return new JoystickCapabilities(axes, buttons, dpads, true);
}
return new JoystickCapabilities();
}
static bool GetDeviceCaps(byte[] preparsed_data, out HidProtocolCaps caps,
ref HidProtocolValueCaps[] axes, ref HidProtocolButtonCaps[] buttons)
ref HidProtocolValueCaps[] axis_caps, out int axis_caps_count,
ref HidProtocolButtonCaps[] button_caps, out int button_caps_count)
{
axis_caps_count = 0;
button_caps_count = 0;
// Query joystick capabilities
caps = new HidProtocolCaps();
if (HidProtocol.GetCaps(preparsed_data, ref caps) != HidProtocolStatus.Success)
@ -365,34 +405,38 @@ namespace OpenTK.Platform.Windows
}
// Make sure our caps arrays are big enough
if (axes.Length < caps.NumberInputValueCaps)
if (axis_caps.Length < caps.NumberInputValueCaps)
{
Array.Resize(ref axes, caps.NumberInputValueCaps);
Array.Resize(ref axis_caps, caps.NumberInputValueCaps);
}
if (buttons.Length < caps.NumberInputButtonCaps)
if (button_caps.Length < caps.NumberInputButtonCaps)
{
Array.Resize(ref buttons, caps.NumberInputButtonCaps);
Array.Resize(ref button_caps, caps.NumberInputButtonCaps);
}
// Axis capabilities
ushort axis_count = (ushort)axis_caps.Length;
if (HidProtocol.GetValueCaps(HidProtocolReportType.Input,
axes, ref caps.NumberInputValueCaps, preparsed_data) !=
axis_caps, ref axis_count, preparsed_data) !=
HidProtocolStatus.Success)
{
Debug.Print("[WinRawJoystick] HidProtocol.GetValueCaps() failed with {0}",
Marshal.GetLastWin32Error());
return false;
}
axis_caps_count = (int)axis_count;
// Button capabilities
ushort button_count = (ushort)button_caps.Length;
if (HidProtocol.GetButtonCaps(HidProtocolReportType.Input,
buttons, ref caps.NumberInputButtonCaps, preparsed_data) !=
button_caps, ref button_count, preparsed_data) !=
HidProtocolStatus.Success)
{
Debug.Print("[WinRawJoystick] HidProtocol.GetButtonCaps() failed with {0}",
Marshal.GetLastWin32Error());
return false;
}
button_caps_count = (int)button_count;
return true;
}
@ -443,11 +487,11 @@ namespace OpenTK.Platform.Windows
return guid;
}
static void UpdateAxes(Device stick, HidProtocolCaps caps, HidProtocolValueCaps[] axes, HidProtocolData[] data)
static void UpdateAxes(Device stick, HidProtocolCaps caps, HidProtocolValueCaps[] axes, int axes_count, HidProtocolData[] data)
{
// Use the data indices in the axis and button caps arrays to
// access the data buffer we just filled.
for (int i = 0; i < caps.NumberInputValueCaps; i++)
for (int i = 0; i < axes_count; i++)
{
if (!axes[i].IsRange)
{
@ -480,9 +524,9 @@ namespace OpenTK.Platform.Windows
}
}
unsafe static void UpdateButtons(Device stick, HidProtocolCaps caps, HidProtocolButtonCaps[] buttons, HidProtocolData[] data)
unsafe static void UpdateButtons(Device stick, HidProtocolCaps caps, HidProtocolButtonCaps[] buttons, int buttons_count, HidProtocolData[] data)
{
for (int i = 0; i < caps.NumberInputButtonCaps; i++)
for (int i = 0; i < buttons_count; i++)
{
if (!buttons[i].IsRange)
{