267 lines
9.2 KiB
Python
267 lines
9.2 KiB
Python
# ----------------------------------------------------------------------------
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# pyglet
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# Copyright (c) 2006-2008 Alex Holkner
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# Copyright (c) 2008-2021 pyglet contributors
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of pyglet nor the names of its
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# contributors may be used to endorse or promote products
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# derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# ----------------------------------------------------------------------------
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import ctypes
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import pyglet
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from pyglet.input import base
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from pyglet.libs import win32
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from pyglet.libs.win32 import dinput
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from pyglet.libs.win32 import _kernel32
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from .gamecontroller import is_game_controller
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# These instance names are not defined anywhere, obtained by experiment. The
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# GUID names (which seem to be ideally what are needed) are wrong/missing for
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# most of my devices.
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_abs_instance_names = {
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0: 'x',
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1: 'y',
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2: 'z',
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3: 'rx',
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4: 'ry',
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5: 'rz',
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}
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_rel_instance_names = {
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0: 'x',
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1: 'y',
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2: 'wheel',
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}
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_btn_instance_names = {}
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def _create_control(object_instance):
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raw_name = object_instance.tszName
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ctrl_type = object_instance.dwType
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instance = dinput.DIDFT_GETINSTANCE(ctrl_type)
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if ctrl_type & dinput.DIDFT_ABSAXIS:
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name = _abs_instance_names.get(instance)
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control = base.AbsoluteAxis(name, 0, 0xffff, raw_name)
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elif ctrl_type & dinput.DIDFT_RELAXIS:
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name = _rel_instance_names.get(instance)
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control = base.RelativeAxis(name, raw_name)
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elif ctrl_type & dinput.DIDFT_BUTTON:
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name = _btn_instance_names.get(instance)
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control = base.Button(name, raw_name)
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elif ctrl_type & dinput.DIDFT_POV:
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control = base.AbsoluteAxis(base.AbsoluteAxis.HAT, 0, 0xffffffff, raw_name)
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else:
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return
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control._type = object_instance.dwType
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return control
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class DirectInputDevice(base.Device):
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def __init__(self, display, device, device_instance):
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name = device_instance.tszInstanceName
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super(DirectInputDevice, self).__init__(display, name)
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self._type = device_instance.dwDevType & 0xff
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self._subtype = device_instance.dwDevType & 0xff00
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self._device = device
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self._init_controls()
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self._set_format()
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self.id_name = device_instance.tszProductName
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self.id_product_guid = format(device_instance.guidProduct.Data1, "08x")
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def get_guid(self):
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"""Generate an SDL2 style GUID from the product guid."""
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first = self.id_product_guid[6:8] + self.id_product_guid[4:6]
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second = self.id_product_guid[2:4] + self.id_product_guid[0:2]
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return f"03000000{first}0000{second}000000000000"
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def _init_controls(self):
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self.controls = []
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self._device.EnumObjects(dinput.LPDIENUMDEVICEOBJECTSCALLBACK(self._object_enum), None, dinput.DIDFT_ALL)
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def _object_enum(self, object_instance, arg):
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control = _create_control(object_instance.contents)
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if control:
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self.controls.append(control)
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return dinput.DIENUM_CONTINUE
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def _set_format(self):
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if not self.controls:
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return
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object_formats = (dinput.DIOBJECTDATAFORMAT * len(self.controls))()
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offset = 0
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for object_format, control in zip(object_formats, self.controls):
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object_format.dwOfs = offset
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object_format.dwType = control._type
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offset += 4
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fmt = dinput.DIDATAFORMAT()
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fmt.dwSize = ctypes.sizeof(fmt)
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fmt.dwObjSize = ctypes.sizeof(dinput.DIOBJECTDATAFORMAT)
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fmt.dwFlags = 0
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fmt.dwDataSize = offset
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fmt.dwNumObjs = len(object_formats)
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fmt.rgodf = ctypes.cast(ctypes.pointer(object_formats), dinput.LPDIOBJECTDATAFORMAT)
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self._device.SetDataFormat(fmt)
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prop = dinput.DIPROPDWORD()
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prop.diph.dwSize = ctypes.sizeof(prop)
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prop.diph.dwHeaderSize = ctypes.sizeof(prop.diph)
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prop.diph.dwObj = 0
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prop.diph.dwHow = dinput.DIPH_DEVICE
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prop.dwData = 64 * ctypes.sizeof(dinput.DIDATAFORMAT)
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self._device.SetProperty(dinput.DIPROP_BUFFERSIZE, ctypes.byref(prop.diph))
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def open(self, window=None, exclusive=False):
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if not self.controls:
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return
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if window is None:
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# Pick any open window, or the shadow window if no windows
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# have been created yet.
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window = pyglet.gl._shadow_window
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for window in pyglet.app.windows:
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break
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flags = dinput.DISCL_BACKGROUND
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if exclusive:
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flags |= dinput.DISCL_EXCLUSIVE
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else:
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flags |= dinput.DISCL_NONEXCLUSIVE
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self._wait_object = _kernel32.CreateEventW(None, False, False, None)
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self._device.SetEventNotification(self._wait_object)
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pyglet.app.platform_event_loop.add_wait_object(self._wait_object, self._dispatch_events)
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self._device.SetCooperativeLevel(window._hwnd, flags)
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self._device.Acquire()
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def close(self):
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if not self.controls:
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return
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pyglet.app.platform_event_loop.remove_wait_object(self._wait_object)
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self._device.Unacquire()
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self._device.SetEventNotification(None)
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_kernel32.CloseHandle(self._wait_object)
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def get_controls(self):
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return self.controls
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def _dispatch_events(self):
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if not self.controls:
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return
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events = (dinput.DIDEVICEOBJECTDATA * 64)()
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n_events = win32.DWORD(len(events))
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try:
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self._device.GetDeviceData(ctypes.sizeof(dinput.DIDEVICEOBJECTDATA),
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ctypes.cast(ctypes.pointer(events),
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dinput.LPDIDEVICEOBJECTDATA),
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ctypes.byref(n_events),
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0)
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except OSError:
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return
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for event in events[:n_events.value]:
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index = event.dwOfs // 4
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self.controls[index].value = event.dwData
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_i_dinput = None
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def _init_directinput():
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global _i_dinput
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if _i_dinput:
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return
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_i_dinput = dinput.IDirectInput8()
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module_handle = _kernel32.GetModuleHandleW(None)
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dinput.DirectInput8Create(module_handle,
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dinput.DIRECTINPUT_VERSION,
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dinput.IID_IDirectInput8W,
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ctypes.byref(_i_dinput),
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None)
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def get_devices(display=None):
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_init_directinput()
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_devices = []
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def _device_enum(device_instance, arg):
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device = dinput.IDirectInputDevice8()
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_i_dinput.CreateDevice(device_instance.contents.guidInstance, ctypes.byref(device), None)
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_devices.append(DirectInputDevice(display, device, device_instance.contents))
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return dinput.DIENUM_CONTINUE
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_i_dinput.EnumDevices(dinput.DI8DEVCLASS_ALL,
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dinput.LPDIENUMDEVICESCALLBACK(_device_enum),
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None,
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dinput.DIEDFL_ATTACHEDONLY)
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return _devices
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def _create_joystick(device):
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if device._type in (dinput.DI8DEVTYPE_JOYSTICK,
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dinput.DI8DEVTYPE_1STPERSON,
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dinput.DI8DEVTYPE_GAMEPAD,
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dinput.DI8DEVTYPE_SUPPLEMENTAL):
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return base.Joystick(device)
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def get_joysticks(display=None):
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return [joystick for joystick in
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[_create_joystick(device) for device in get_devices(display)]
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if joystick is not None]
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def _create_game_controller(device):
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if not is_game_controller(device):
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return
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if device._type in (dinput.DI8DEVTYPE_JOYSTICK,
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dinput.DI8DEVTYPE_1STPERSON,
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dinput.DI8DEVTYPE_GAMEPAD):
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return base.GameController(device)
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def get_game_controllers(display=None):
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return [controller for controller in
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[_create_game_controller(device) for device in get_devices(display)]
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if controller is not None]
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