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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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#region Using Statements
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using System;
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#endregion
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namespace Microsoft.Xna.Framework.Input.Touch
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{
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// https://msdn.microsoft.com/en-us/library/microsoft.xna.framework.input.touch.touchlocation.aspx
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public struct TouchLocation : IEquatable<TouchLocation>
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{
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#region Public Properties
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public int Id
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{
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get;
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private set;
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}
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public Vector2 Position
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{
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get;
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private set;
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}
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public TouchLocationState State
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{
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get;
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private set;
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}
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#endregion
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#region Private Variables
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private Vector2 prevPosition;
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private TouchLocationState prevState;
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#endregion
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#region Public Constructors
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public TouchLocation(
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int id,
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TouchLocationState state,
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Vector2 position
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) : this() {
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Id = id;
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State = state;
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Position = position;
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prevState = TouchLocationState.Invalid;
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prevPosition = Vector2.Zero;
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}
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public TouchLocation(
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int id,
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TouchLocationState state,
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Vector2 position,
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TouchLocationState previousState,
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Vector2 previousPosition
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) : this() {
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Id = id;
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State = state;
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Position = position;
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prevState = previousState;
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prevPosition = previousPosition;
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}
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#endregion
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#region Public Methods
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public bool Equals(TouchLocation other)
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{
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return ( Id == other.Id &&
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Position == other.Position &&
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State == other.State &&
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prevPosition == other.prevPosition &&
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prevState == other.prevState );
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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 TouchLocation) && Equals((TouchLocation) obj);
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}
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public override int GetHashCode()
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{
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return Id.GetHashCode() + Position.GetHashCode();
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}
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public override string ToString()
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{
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return "{Position:" + Position.ToString() + "}";
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}
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public bool TryGetPreviousLocation(
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out TouchLocation previousLocation
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) {
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previousLocation = new TouchLocation(
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Id,
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prevState,
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prevPosition
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);
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return previousLocation.State != TouchLocationState.Invalid;
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}
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#endregion
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#region Public Static Operator Overloads
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public static bool operator==(
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TouchLocation value1,
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TouchLocation value2
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) {
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return value1.Equals(value2);
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}
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public static bool operator!=(
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TouchLocation value1,
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TouchLocation value2
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) {
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return !value1.Equals(value2);
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}
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#endregion
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}
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}
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