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106 lines
3.4 KiB
C#
106 lines
3.4 KiB
C#
#region License
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//
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// The Open Toolkit Library License
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//
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// Copyright (c) 2006 - 2009 the Open Toolkit library.
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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 to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do
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// 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 all
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// 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,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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//
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace OpenTK.Input
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{
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/// <summary>
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/// Encapsulates the state of a Keyboard device.
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/// </summary>
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public struct KeyboardState : IEquatable<KeyboardState>
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{
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#region Fields
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const int NumKeys = ((int)Key.LastKey + 16) / 32;
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// Todo: The following line triggers bogus CS0214 in gmcs 2.0.1, sigh...
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// Need to add a workaround using either ExplicitLayout or another trick.
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//unsafe fixed int Keys[NumKeys];
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#endregion
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#region Constructors
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#endregion
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#region Public Members
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/// <summary>
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/// Gets a <see cref="System.Boolean"/> indicating whether this key is down.
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/// </summary>
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/// <param name="key">The <see cref="OpenTK.Input.Key"/> to check.</param>
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public bool IsKeyDown(Key key)
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{
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return ReadBit((int)key) != 0;
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}
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/// <summary>
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/// Gets a <see cref="System.Boolean"/> indicating whether this key is up.
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/// </summary>
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/// <param name="key">The <see cref="OpenTK.Input.Key"/> to check.</param>
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public bool IsKeyUp(Key key)
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{
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return ReadBit((int)key) == 0;
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}
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#endregion
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#region Internal Members
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internal int ReadBit(int offset)
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{
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return 0;
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//unsafe { return (Keys[(offset / 32)] & (1 << (offset % 32))); }
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}
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internal enum BitValue { Zero = 0, One = 1 }
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internal void WriteBit(int offset, BitValue bit)
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{
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// Todo: this is completely broken.
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//unsafe { Keys[offset / 32] = Keys[offset / 32] ^ (~(int)bit << (offset % 32)); }
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}
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#endregion
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#region IEquatable<KeyboardState> Members
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/// <summary>
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/// Compares two KeyboardState instances.
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/// </summary>
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/// <param name="other">The instance to compare two.</param>
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/// <returns>True, if both instances are equal; false otherwise.</returns>
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public bool Equals(KeyboardState other)
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{
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throw new NotImplementedException();
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}
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#endregion
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}
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}
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