projectEli/Assets/NeoFPS/Core/HUD/HudInteractionTooltip.cs

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2022-11-07 01:28:33 +00:00
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using NeoFPS.SinglePlayer;
using System;
namespace NeoFPS
{
[HelpURL("https://docs.neofps.com/manual/hudref-mb-hudinteractiontooltip.html")]
public class HudInteractionTooltip : PlayerCharacterHudBase
{
[SerializeField, Tooltip("The UI text element to show the highlighted object's name.")]
private Text m_NameText = null;
[SerializeField, Tooltip("The UI text element to show the input action required (press or hold).")]
private Text m_InputActionText = null;
[SerializeField, Tooltip("The UI text element to show the interaction result (eg pick up).")]
private Text m_InteractionText = null;
private CharacterInteractionHandler m_Interact = null;
private IInteractiveObject m_Highlighted = null;
protected override void OnDestroy()
{
base.OnDestroy();
// Unsubscribe from character
if (m_Interact != null)
{
m_Interact.onHighlightedChanged -= OnHighlightedChanged;
m_Interact = null;
}
}
public override void OnPlayerCharacterChanged(ICharacter character)
{
if (m_Interact != null)
m_Interact.onHighlightedChanged -= OnHighlightedChanged;
if (character as Component == null)
m_Interact = null;
else
m_Interact = character.GetComponent<CharacterInteractionHandler>();
if (m_Interact != null)
{
m_Interact.onHighlightedChanged += OnHighlightedChanged;
OnHighlightedChanged(character, m_Interact.highlighted);
}
gameObject.SetActive(false);
}
private void OnHighlightedChanged(ICharacter character, IInteractiveObject highlighted)
{
// Detach event handler
if (m_Highlighted != null)
m_Highlighted.onTooltipChanged -= OnTooltipChanged;
// Assign
m_Highlighted = highlighted;
if (m_Highlighted == null)
{
// None highlighted, hide tooltip
gameObject.SetActive(false);
}
else
{
// Reset tooltip
m_Highlighted.onTooltipChanged += OnTooltipChanged;
OnTooltipChanged();
}
}
void OnTooltipChanged()
{
// Check if tooltip should be hidden
if ( m_Highlighted.tooltipName == string.Empty)
{
gameObject.SetActive(false);
}
else
{
// Show
gameObject.SetActive(true);
// Apply label
m_NameText.text = m_Highlighted.tooltipName;
// Get input action
m_InputActionText.text = m_Highlighted.holdDuration > 0f ? "Hold" : "Press";
// Get resulting interaction
if (!string.IsNullOrEmpty(m_Highlighted.tooltipAction))
m_InteractionText.text = m_Highlighted.tooltipAction;
else
m_InteractionText.text = "interact";
}
}
}
}