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