59 lines
2.0 KiB
C#
59 lines
2.0 KiB
C#
/*
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* @Author: 白哉
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* @Description: 技能工厂类
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* @Date: 2025年04月24日 星期四 17:04:55
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* @Modify:
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*/
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using System;
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using System.Collections.Generic;
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using System.Linq.Expressions;
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using System.Reflection;
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namespace Logic.Skill
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{
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public class SkillFactory
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{
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// 使用编译后的工厂委托替代 Activator.CreateInstance，消除反射开销
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private static Dictionary<SkillType, Func<SkillBase>> _skillFactoryDict;
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public static SkillBase GetSkillBySkillType(SkillType skillType)
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{
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if (_skillFactoryDict == null)
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{
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_skillFactoryDict = new Dictionary<SkillType, Func<SkillBase>>();
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Assembly assembly = typeof(SkillBase).Assembly;
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foreach (Type skillClassType in assembly.GetTypes())
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{
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if (skillClassType.IsSubclassOf(typeof(SkillBase)) && !skillClassType.IsAbstract)
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{
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var ctor = skillClassType.GetConstructor(Type.EmptyTypes);
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if (ctor == null) continue;
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// 编译 () => new ConcreteSkillType() 委托，后续调用零反射
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var factory = Expression.Lambda<Func<SkillBase>>(
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Expression.New(ctor)).Compile();
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var tmpSkill = factory();
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if (tmpSkill == null) continue;
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_skillFactoryDict[tmpSkill.GetSkillType()] = factory;
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}
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}
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}
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if (_skillFactoryDict.TryGetValue(skillType, out var skillFactory))
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{
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var skillObj = skillFactory();
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if (skillObj != null && Table.Instance.SkillDataAssets.GetSkillInfo(skillType, out var skillInfo))
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{
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skillObj.SetSkillPriority(skillInfo.skillPriority);
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}
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return skillObj;
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}
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return null;
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}
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}
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}
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