107 lines
3.4 KiB
C#
107 lines
3.4 KiB
C#
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
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using System;
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namespace FlaxEngine
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{
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/// <summary>
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/// Virtual input action binding. Helps with listening for a selected input event.
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/// </summary>
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public class InputEvent
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{
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/// <summary>
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/// The name of the action to use. See <see cref="Input.ActionMappings"/>.
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/// </summary>
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[Tooltip("The name of the action to use.")]
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public string Name;
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/// <summary>
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/// Returns true if the event has been triggered during the current frame (e.g. user pressed a key). Use <see cref="Pressed"/> to catch events without active waiting.
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/// </summary>
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public bool Active => Input.GetAction(Name);
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/// <summary>
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/// Returns the event state. Use Use <see cref="Pressed"/>, <see cref="Pressing"/>, <see cref="Released"/> to catch events without active waiting.
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/// </summary>
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public InputActionState State => Input.GetActionState(Name);
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/// <summary>
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/// Occurs when event is triggered (e.g. user pressed a key). Called before scripts update.
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/// </summary>
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[System.Obsolete("Depreciated in 1.7, use Pressed Action.")]
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public event Action Triggered;
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/// <summary>
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/// Occurs when event is pressed (e.g. user pressed a key). Called before scripts update.
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/// </summary>
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public event Action Pressed;
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/// <summary>
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/// Occurs when event is being pressing (e.g. user pressing a key). Called before scripts update.
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/// </summary>
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public event Action Pressing;
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/// <summary>
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/// Occurs when event is released (e.g. user releases a key). Called before scripts update.
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/// </summary>
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public event Action Released;
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/// <summary>
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/// Initializes a new instance of the <see cref="InputEvent"/> class.
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/// </summary>
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public InputEvent()
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{
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Input.ActionTriggered += Handler;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="InputEvent"/> class.
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/// </summary>
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/// <param name="name">The action name.</param>
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public InputEvent(string name)
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{
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Input.ActionTriggered += Handler;
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Name = name;
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}
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/// <summary>
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/// Finalizes an instance of the <see cref="InputEvent"/> class.
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/// </summary>
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~InputEvent()
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{
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Input.ActionTriggered -= Handler;
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}
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private void Handler(string name, InputActionState state)
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{
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if (!string.Equals(name, Name, StringComparison.OrdinalIgnoreCase))
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return;
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switch (state)
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{
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case InputActionState.None: break;
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case InputActionState.Waiting: break;
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case InputActionState.Pressing:
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Pressing?.Invoke();
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break;
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case InputActionState.Press:
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Triggered?.Invoke();
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Pressed?.Invoke();
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break;
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case InputActionState.Release:
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Released?.Invoke();
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break;
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default: break;
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}
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}
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/// <summary>
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/// Releases this object.
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/// </summary>
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public void Dispose()
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{
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Input.ActionTriggered -= Handler;
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GC.SuppressFinalize(this);
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}
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}
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}
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