91 lines
2.7 KiB
C#
91 lines
2.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using ANX.Framework.NonXNA.Development;
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// This file is part of the ANX.Framework created by the
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// "ANX.Framework developer group" and released under the Ms-PL license.
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// For details see: http://anxframework.codeplex.com/license
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namespace ANX.Framework.Input
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{
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[PercentageComplete(100)]
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[Developer("AstrorEnales")]
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[TestState(TestStateAttribute.TestState.Tested)]
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public struct KeyboardState
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{
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private readonly KeyState[] keyState;
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public KeyState this[Keys key]
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{
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get { return keyState[(int)key]; }
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}
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public KeyboardState(params Keys[] keys)
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{
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keyState = new KeyState[255];
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for (int i = 0; i < keys.Length; i++)
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keyState[(int)keys[i]] = KeyState.Down;
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}
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public bool IsKeyDown(Keys key)
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{
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return keyState[(int)key] == KeyState.Down;
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}
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public bool IsKeyUp(Keys key)
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{
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return keyState[(int)key] == KeyState.Up;
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}
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public override int GetHashCode()
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{
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var results = new uint[8];
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for (int index = 0; index < keyState.Length; index++)
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if (keyState[index] == KeyState.Down)
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{
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uint num = 1u << index;
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int resultIndex = index >> 5;
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results[resultIndex] |= num & 4294967295u;
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}
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return results.Aggregate(0, (current, u) => current ^ u.GetHashCode());
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}
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public override bool Equals(object obj)
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{
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return obj is KeyboardState && this == (KeyboardState)obj;
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}
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public static bool operator ==(KeyboardState lhs, KeyboardState rhs)
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{
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return lhs.keyState.Length == rhs.keyState.Length && !lhs.keyState.Where((t, i) => t != rhs.keyState[i]).Any();
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}
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public static bool operator !=(KeyboardState lhs, KeyboardState rhs)
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{
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return lhs.keyState.Length != rhs.keyState.Length || lhs.keyState.Where((t, i) => t != rhs.keyState[i]).Any();
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}
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public Keys[] GetPressedKeys()
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{
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var result = new List<Keys>();
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for (int i = 0; i < keyState.Length; ++i)
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if (keyState[i] == KeyState.Down)
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result.Add((Keys)i);
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return result.ToArray();
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}
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internal void AddPressedKey(Keys key)
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{
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this.keyState[(int)key] = KeyState.Down;
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}
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internal void RemovePressedKey(Keys key)
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{
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this.keyState[(int)key] = KeyState.Up;
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}
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}
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}
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