103 lines
3.1 KiB
C#
103 lines
3.1 KiB
C#
using System;
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using DG.Tweening;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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namespace AibisDream
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{
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[RequireComponent(typeof(Collider2D))]
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public class SpriteButton : MonoBehaviour, IPointerDownHandler, IPointerEnterHandler, IPointerExitHandler, IPointerUpHandler
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{
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[SerializeField] private SpriteRenderer spriteRenderer;
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[SerializeField] private ColorBlock colorBlock;
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public event Action OnClicked;
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private bool _isPointerInside;
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private bool _isPointerDown;
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private bool _hasSelection;
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private bool _isInteractable;
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private SelectionType CurrentSelectionType
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{
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get
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{
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if (!_isInteractable)
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return SelectionType.Disabled;
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if (_isPointerDown)
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return SelectionType.Pressed;
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if (_isPointerInside)
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return SelectionType.Highlighted;
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return SelectionType.Normal;
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}
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}
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public bool IsInteractive
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{
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get => _isInteractable;
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set
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{
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_isInteractable = value;
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DoStateTransition(CurrentSelectionType);
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}
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}
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public void OnPointerDown(PointerEventData eventData)
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{
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if (eventData.button != PointerEventData.InputButton.Left)
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return;
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_isPointerDown = true;
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EvaluateAndTransitionToSelectionType();
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OnClicked?.Invoke();
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}
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public void OnPointerUp(PointerEventData eventData)
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{
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if (eventData.button != PointerEventData.InputButton.Left)
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return;
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_isPointerDown = false;
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EvaluateAndTransitionToSelectionType();
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}
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public void OnPointerEnter(PointerEventData eventData)
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{
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_isPointerInside = true;
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EvaluateAndTransitionToSelectionType();
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}
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public void OnPointerExit(PointerEventData eventData)
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{
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_isPointerInside = false;
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EvaluateAndTransitionToSelectionType();
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}
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private void EvaluateAndTransitionToSelectionType()
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{
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if (!_isInteractable)
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return;
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DoStateTransition(CurrentSelectionType);
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}
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private void DoStateTransition(SelectionType selectionType)
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{
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if (!gameObject.activeInHierarchy)
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return;
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var tintColor = selectionType switch
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{
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SelectionType.Normal => colorBlock.normalColor,
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SelectionType.Highlighted => colorBlock.highlightedColor,
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SelectionType.Pressed => colorBlock.pressedColor,
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SelectionType.Selected => colorBlock.selectedColor,
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SelectionType.Disabled => colorBlock.disabledColor,
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_ => Color.black
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};
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spriteRenderer.DOColor(tintColor, colorBlock.fadeDuration).SetUpdate(true);
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}
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}
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} |