128 lines
3.8 KiB
C#
128 lines
3.8 KiB
C#
//------------------------------------------------------------
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// Game Framework
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// Copyright © 2013-2021 Jiang Yin. All rights reserved.
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// Homepage: https://gameframework.cn/
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// Feedback: mailto:ellan@gameframework.cn
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//------------------------------------------------------------
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using GameFramework.ObjectPool;
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using System.Collections.Generic;
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using Entity;
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using StarForce;
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using UnityEngine;
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using UnityEngine.Serialization;
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using UnityGameFramework.Runtime;
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namespace CustomComponent
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{
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public class HPBarComponent : GameFrameworkComponent
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{
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[FormerlySerializedAs("m_HPBarItemTemplate")] [SerializeField]
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private HPBarItem _hpBarItemTemplate = null;
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[FormerlySerializedAs("m_HPBarInstanceRoot")] [SerializeField]
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private Transform _hpBarInstanceRoot = null;
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[FormerlySerializedAs("m_InstancePoolCapacity")] [SerializeField]
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private int _instancePoolCapacity = 16;
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private IObjectPool<HPBarItemObject> _hpBarItemObjectPool = null;
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private List<HPBarItem> _activeHPBarItems = null;
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private Canvas _cachedCanvas = null;
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private void Start()
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{
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if (_hpBarInstanceRoot == null)
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{
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Log.Error("You must set HP bar instance root first.");
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return;
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}
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_cachedCanvas = _hpBarInstanceRoot.GetComponent<Canvas>();
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_hpBarItemObjectPool = GameEntry.ObjectPool.CreateSingleSpawnObjectPool<HPBarItemObject>("HPBarItem", _instancePoolCapacity);
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_activeHPBarItems = new List<HPBarItem>();
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}
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private void OnDestroy()
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{
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}
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private void Update()
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{
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for (int i = _activeHPBarItems.Count - 1; i >= 0; i--)
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{
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HPBarItem hpBarItem = _activeHPBarItems[i];
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if (hpBarItem.Refresh())
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{
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continue;
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}
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HideHPBar(hpBarItem);
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}
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}
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public void ShowHPBar(EntityBase entity, float fromHPRatio, float toHPRatio)
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{
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if (entity == null)
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{
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Log.Warning("Entity is invalid.");
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return;
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}
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HPBarItem hpBarItem = GetActiveHPBarItem(entity);
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if (hpBarItem == null)
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{
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hpBarItem = CreateHPBarItem(entity);
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_activeHPBarItems.Add(hpBarItem);
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}
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hpBarItem.Init(entity, _cachedCanvas, fromHPRatio, toHPRatio);
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}
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private void HideHPBar(HPBarItem hpBarItem)
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{
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hpBarItem.Reset();
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_activeHPBarItems.Remove(hpBarItem);
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_hpBarItemObjectPool.Unspawn(hpBarItem);
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}
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private HPBarItem GetActiveHPBarItem(EntityBase entity)
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{
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if (entity == null)
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{
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return null;
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}
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for (int i = 0; i < _activeHPBarItems.Count; i++)
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{
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if (_activeHPBarItems[i].Owner == entity)
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{
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return _activeHPBarItems[i];
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}
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}
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return null;
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}
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private HPBarItem CreateHPBarItem(EntityBase entity)
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{
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HPBarItem hpBarItem = null;
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HPBarItemObject hpBarItemObject = _hpBarItemObjectPool.Spawn();
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if (hpBarItemObject != null)
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{
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hpBarItem = (HPBarItem)hpBarItemObject.Target;
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}
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else
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{
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hpBarItem = Instantiate(_hpBarItemTemplate);
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Transform transform = hpBarItem.GetComponent<Transform>();
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transform.SetParent(_hpBarInstanceRoot);
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transform.localScale = Vector3.one;
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_hpBarItemObjectPool.Register(HPBarItemObject.Create(hpBarItem), true);
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}
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return hpBarItem;
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}
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}
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}
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