79 lines
2.8 KiB
C#
79 lines
2.8 KiB
C#
// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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using System.Runtime.InteropServices;
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namespace SharpDX.DirectInput
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{
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[StructLayout(LayoutKind.Sequential, Size = 4)]
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public partial struct DeviceObjectId
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{
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private int _rawType;
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private const int InstanceNumberMax = 0xFFFF - 1;
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private const int AnyInstanceMask = 0x00FFFF00;
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public DeviceObjectId(DeviceObjectTypeFlags typeFlags, int instanceNumber) : this()
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{
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// Clear anyInstance flags and use instanceNumber
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_rawType = ((int)typeFlags & ~AnyInstanceMask) | ((instanceNumber < 0 | instanceNumber > InstanceNumberMax) ? 0 : ((instanceNumber & 0xFFFF) << 8));
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}
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public DeviceObjectTypeFlags Flags
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{
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get
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{
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return (DeviceObjectTypeFlags) (_rawType & ~AnyInstanceMask);
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}
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}
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public int InstanceNumber
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{
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get { return (_rawType >> 8) & 0xFFFF; }
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}
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public static explicit operator int(DeviceObjectId type)
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{
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return type._rawType;
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}
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public bool Equals(DeviceObjectId other)
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{
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return other._rawType == _rawType;
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}
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public override bool Equals(object obj)
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{
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if (ReferenceEquals(null, obj)) return false;
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if (obj.GetType() != typeof (DeviceObjectId)) return false;
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return Equals((DeviceObjectId) obj);
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}
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public override int GetHashCode()
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{
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return _rawType;
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}
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public override string ToString()
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{
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return string.Format(System.Globalization.CultureInfo.InvariantCulture, "Flags: {0} InstanceNumber: {1} RawId: 0x{2:X8}", Flags, InstanceNumber, _rawType);
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}
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}
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} |