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#region License
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/* FNA - XNA4 Reimplementation for Desktop Platforms
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* Copyright 2009-2020 Ethan Lee and the MonoGame Team
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*
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* Released under the Microsoft Public License.
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* See LICENSE for details.
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*/
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#endregion
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namespace Microsoft.Xna.Framework.Input
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{
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public struct GamePadTriggers
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{
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#region Public Properties
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public float Left
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{
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get
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{
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return left;
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}
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}
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public float Right
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{
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get
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{
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return right;
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}
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}
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#endregion
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#region Private Variables
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private float left;
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private float right;
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#endregion
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#region Public Constructor
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public GamePadTriggers(float leftTrigger, float rightTrigger)
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{
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left = MathHelper.Clamp(leftTrigger, 0.0f, 1.0f);
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right = MathHelper.Clamp(rightTrigger, 0.0f, 1.0f);
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}
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#endregion
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#region Internal Constructor
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internal GamePadTriggers(
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float leftTrigger,
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float rightTrigger,
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GamePadDeadZone deadZoneMode
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) {
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/* XNA applies dead zones before rounding/clamping values.
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* The public constructor does not allow this because the
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* dead zone must be known first.
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*/
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if (deadZoneMode == GamePadDeadZone.None)
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{
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left = MathHelper.Clamp(leftTrigger, 0.0f, 1.0f);
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right = MathHelper.Clamp(rightTrigger, 0.0f, 1.0f);
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}
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else
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{
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left = MathHelper.Clamp(
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GamePad.ExcludeAxisDeadZone(
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leftTrigger,
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GamePad.TriggerThreshold
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),
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0.0f,
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1.0f
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);
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right = MathHelper.Clamp(
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GamePad.ExcludeAxisDeadZone(
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rightTrigger,
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GamePad.TriggerThreshold
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),
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0.0f,
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1.0f
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);
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}
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}
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#endregion
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#region Public Static Operators and Override Methods
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/// <summary>
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/// Determines whether two specified instances of <see cref="GamePadTriggers"/> are
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/// equal.
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/// </summary>
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/// <param name="left">The first object to compare.</param>
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/// <param name="right">The second object to compare.</param>
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/// <returns>
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/// True if <paramref name="left"/> and <paramref name="right"/> are equal;
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/// otherwise, false.
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/// </returns>
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public static bool operator ==(GamePadTriggers left, GamePadTriggers right)
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{
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return ( (MathHelper.WithinEpsilon(left.left, right.left)) &&
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(MathHelper.WithinEpsilon(left.right, right.right)) );
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}
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/// <summary>
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/// Determines whether two specified instances of <see cref="GamePadTriggers"/> are
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/// not equal.
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/// </summary>
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/// <param name="left">The first object to compare.</param>
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/// <param name="right">The second object to compare.</param>
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/// <returns>
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/// True if <paramref name="left"/> and <paramref name="right"/> are not equal;
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/// otherwise, false.
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/// </returns>
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public static bool operator !=(GamePadTriggers left, GamePadTriggers right)
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{
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return !(left == right);
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}
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/// <summary>
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/// Returns a value indicating whether this instance is equal to a specified object.
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/// </summary>
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/// <param name="obj">An object to compare to this instance.</param>
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/// <returns>
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/// True if <paramref name="obj"/> is a <see cref="GamePadTriggers"/> and has the
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/// same value as this instance; otherwise, false.
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/// </returns>
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public override bool Equals(object obj)
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{
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return (obj is GamePadTriggers) && (this == (GamePadTriggers) obj);
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}
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public override int GetHashCode ()
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{
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return this.Left.GetHashCode() + this.Right.GetHashCode();
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}
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#endregion
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}
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}
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