vampire-like/Assets/GameMain/Scripts/Runtime/CustomComponent/HPBar/HPBarItem.cs

111 lines
3.3 KiB
C#

using System.Collections;
using Entity;
using SepCore.UI;
using UnityEngine;
using UnityEngine.Serialization;
using UnityEngine.UI;
using UnityGameFramework.Runtime;
namespace StarForce
{
public class HPBarItem : MonoBehaviour
{
private const float AnimationSeconds = 0.3f;
private const float KeepSeconds = 0.4f;
private const float FadeOutSeconds = 0.3f;
[FormerlySerializedAs("m_HPBar")] [SerializeField] private Slider _hPBar = null;
private Canvas _parentCanvas = null;
private RectTransform _cachedTransform = null;
private CanvasGroup _cachedCanvasGroup = null;
private EntityBase _owner = null;
private int m_OwnerId = 0;
public EntityBase Owner => _owner;
public void Init(EntityBase owner, Canvas parentCanvas, float fromHPRatio, float toHPRatio)
{
if (owner == null)
{
Log.Error("Owner is invalid.");
return;
}
_parentCanvas = parentCanvas;
gameObject.SetActive(true);
StopAllCoroutines();
_cachedCanvasGroup.alpha = 1f;
if (_owner != owner || m_OwnerId != owner.Id)
{
_hPBar.value = fromHPRatio;
_owner = owner;
m_OwnerId = owner.Id;
}
Refresh();
StartCoroutine(HPBarCo(toHPRatio, AnimationSeconds, KeepSeconds, FadeOutSeconds));
}
public bool Refresh()
{
if (_cachedCanvasGroup.alpha <= 0f)
{
return false;
}
if (_owner != null && Owner.Available && Owner.Id == m_OwnerId)
{
Vector3 worldPosition = _owner.CachedTransform.position + Vector3.forward;
Vector3 screenPosition = GameEntry.Scene.MainCamera.WorldToScreenPoint(worldPosition);
Vector2 position;
if (RectTransformUtility.ScreenPointToLocalPointInRectangle((RectTransform)_parentCanvas.transform,
screenPosition,
_parentCanvas.worldCamera, out position))
{
_cachedTransform.localPosition = position;
}
}
return true;
}
public void Reset()
{
StopAllCoroutines();
_cachedCanvasGroup.alpha = 1f;
_hPBar.value = 1f;
_owner = null;
gameObject.SetActive(false);
}
private void Awake()
{
_cachedTransform = GetComponent<RectTransform>();
if (_cachedTransform == null)
{
Log.Error("RectTransform is invalid.");
return;
}
_cachedCanvasGroup = GetComponent<CanvasGroup>();
if (_cachedCanvasGroup == null)
{
Log.Error("CanvasGroup is invalid.");
return;
}
}
private IEnumerator HPBarCo(float value, float animationDuration, float keepDuration, float fadeOutDuration)
{
yield return _hPBar.SmoothValue(value, animationDuration);
yield return new WaitForSeconds(keepDuration);
yield return _cachedCanvasGroup.FadeToAlpha(0f, fadeOutDuration);
}
}
}