Touhou/client/Assets/Game/Scripts/AI/AIBase.cs

using System;
using System.Collections.Generic;
using CleverCrow.Fluid.BTs.Trees;
using UnityEngine;
using UnityEngine.Timeline;

namespace Game
{
    public delegate IAIObject EventCallbackCreate();

    public interface IAIObject
    {
        BehaviorTree Tree();
        void Create();
        void Reset(GameEntity entity);
        void Tick();
    }

    public partial class AIObjectBase<T> : IAIObject where T : new()
    {
        private GameEntity _entity;
        private BehaviorTreeBuilder _builder;
        private BehaviorTree _tree;

        public static EventCallbackCreate GetCreator()
        {
            return () => (IAIObject)new T();
        }

        public void Create()
        {
            _builder = new BehaviorTreeBuilder();
            OnCreate();
            _tree = _builder.Build();
        }

        public void Reset(GameEntity entity)
        {
            _entity = entity;
        }

        protected virtual void OnCreate()
        {
        }

        public void Tick()
        {
            _tree.Tick();
        }

        public BehaviorTree Tree()
        {
            return _tree;
        }
    }
}