/// <summary>
/// Initializes a new instance of the <see cref="DirectInput"/> class.
/// </summary>
private DirectInput(IntPtr hwnd)
{
IntPtr dinput8;
var iid = SafeNativeMethods.IID_IDirectInput8W;
var clsid = SafeNativeMethods.CLSID_DirectInput8;
var hinst = SafeNativeMethods.GetModuleHandleW(IntPtr.Zero);
SafeNativeMethods.CoCreateInstance(ref clsid, IntPtr.Zero, 1, ref iid, out dinput8);
this.directInput = dinput8;
this.hwnd = hwnd;
unsafe
{
DirectInput8Inst *inst = (DirectInput8Inst *)dinput8.ToPointer();
var initialize = (InitializeInputProc)Marshal.GetDelegateForFunctionPointer(inst->Vtbl->Initialize, typeof(InitializeInputProc));
var res = initialize(dinput8, hinst, 0x0800);
this.release = (NoParamProc)Marshal.GetDelegateForFunctionPointer(inst->Vtbl->Release, typeof(NoParamProc));
this.enumDevices = (EnumDevicesProc)Marshal.GetDelegateForFunctionPointer(inst->Vtbl->EnumDevices, typeof(EnumDevicesProc));
this.createDevice = (CreateDeviceProc)Marshal.GetDelegateForFunctionPointer(inst->Vtbl->CreateDevice, typeof(CreateDeviceProc));
}
this.releaseHandle = GCHandle.Alloc(this.release, GCHandleType.Normal);
}
/// <summary>
/// Initializes a new instance of the <see cref="DirectInputDevice"/> class.
/// </summary>
/// <param name="device">The native device interface.</param>
/// <param name="input">The DirectInput instance which owns this device.</param>
internal DirectInputDevice(IntPtr device, DirectInput input)
{
this.device = device;
this.input = input;
unsafe
{
var inst = (DirectInputDevice8Inst *)device.ToPointer();
this.release = (NoParamProc)Marshal.GetDelegateForFunctionPointer(inst->Vtbl->Release, typeof(NoParamProc));
var setCoopLevel = (SetCooperativeLevelProc)Marshal.GetDelegateForFunctionPointer(inst->Vtbl->SetCooperativeLevel, typeof(SetCooperativeLevelProc));
var res = setCoopLevel(device, input.WindowHandle, 6);
var setDataFormat = (SetDataFormatProc)Marshal.GetDelegateForFunctionPointer(inst->Vtbl->SetDataFormat, typeof(SetDataFormatProc));
var dataFormat = new DIDATAFORMAT()
{
dwSize = (uint)sizeof(DIDATAFORMAT),
dwObjSize = (uint)sizeof(DIOBJECTDATAFORMAT),
dwFlags = 1,
dwDataSize = (uint)sizeof(DIJOYSTATE),
dwNumObjs = 6,
rgodf = DeviceObjectTypes.DataFormat
};
setDataFormat(device, new IntPtr(&dataFormat));
this.getDeviceState = (GetDeviceStateProc)Marshal.GetDelegateForFunctionPointer(inst->Vtbl->GetDeviceState, typeof(GetDeviceStateProc));
this.acquire = (NoParamProc)Marshal.GetDelegateForFunctionPointer(inst->Vtbl->Acquire, typeof(NoParamProc));
this.unacquire = (NoParamProc)Marshal.GetDelegateForFunctionPointer(inst->Vtbl->Unacquire, typeof(NoParamProc));
}
this.releaseHandle = GCHandle.Alloc(release, GCHandleType.Normal);
}
