86 lines
3.5 KiB
C#
86 lines
3.5 KiB
C#
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/// ---------------------------------------------
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/// Ultimate Character Controller
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/// Copyright (c) Opsive. All Rights Reserved.
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/// https://www.opsive.com
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/// ---------------------------------------------
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namespace Opsive.UltimateCharacterController.Camera
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{
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using Opsive.Shared.Events;
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using Opsive.Shared.Game;
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using Opsive.UltimateCharacterController.Input;
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using Opsive.UltimateCharacterController.StateSystem;
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using UnityEngine;
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/// <summary>
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/// Handles the input for the AimAssist component.
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/// </summary>
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[RequireComponent(typeof(AimAssist))]
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public class AimAssistHandler : StateBehavior
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{
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[Tooltip("Can the targets be switched?")]
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[SerializeField] protected bool m_CanSwitchTargets;
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[Tooltip("The name of the button mapping for switching targets.")]
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[SerializeField] protected string m_SwitchTargetInputName = "Horizontal";
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[Tooltip("The minimum magnitude required to switch targets.")]
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[SerializeField] protected float m_SwitchTargetMagnitude = 0.8f;
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public bool CanSwitchTargets { get { return m_CanSwitchTargets; } set { m_CanSwitchTargets = value;
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if (Application.isPlaying) { enabled = m_PlayerInput != null && m_CanSwitchTargets; m_AllowTargetSwitch = true; } } }
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public string SwitchTargetInputName { get { return m_SwitchTargetInputName; } set { m_SwitchTargetInputName = value; } }
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public float SwitchTargetMagnitude { get { return m_SwitchTargetMagnitude; } set { m_SwitchTargetMagnitude = value; } }
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private AimAssist m_AimAssist;
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private PlayerInput m_PlayerInput;
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private bool m_AllowTargetSwitch = true;
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/// <summary>
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/// Initialize the default values.
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/// </summary>
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protected override void Awake()
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{
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base.Awake();
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m_AimAssist = gameObject.GetComponent<AimAssist>();
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EventHandler.RegisterEvent<GameObject>(gameObject, "OnCameraAttachCharacter", OnAttachCharacter);
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// Enable after the character has been attached.
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enabled = false;
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}
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/// <summary>
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/// Attaches the component to the specified character.
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/// </summary>
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/// <param name="character">The handler to attach the camera to.</param>
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protected virtual void OnAttachCharacter(GameObject character)
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{
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m_PlayerInput = character != null ? character.GetCachedComponent<PlayerInput>() : null;
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enabled = m_PlayerInput != null && m_CanSwitchTargets;
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}
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/// <summary>
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/// Tries to switch targets if the input value is large enough.
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/// </summary>
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private void Update()
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{
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var value = m_PlayerInput.GetAxisRaw(m_SwitchTargetInputName);
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if (m_AllowTargetSwitch && Mathf.Abs(value) > m_SwitchTargetMagnitude) {
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m_AimAssist.TrySwitchTargets(value > 0);
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m_AllowTargetSwitch = false;
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} else if (!m_AllowTargetSwitch && Mathf.Abs(value) < 0.01f) {
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// Don't allow another target switch until the value is reset. This will prevent the target from quickly switching.
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m_AllowTargetSwitch = true;
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}
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}
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/// <summary>
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/// The camera has been destroyed.
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/// </summary>
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private void OnDestroy()
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{
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EventHandler.UnregisterEvent<GameObject>(gameObject, "OnCameraAttachCharacter", OnAttachCharacter);
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}
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}
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}
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