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