PuppyClient/Assets/Resources/Warehouse/ItemUseController.cs

using Newtonsoft.Json;
using NUnit.Framework;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Net.NetworkInformation;
using UnityEngine;
using UnityEngine.SceneManagement;

/* 具体使用哪个道具产生的效果，包括结束的效果回调函数
 */

public class ItemUseController : ScriptableObject
{
    private static Vector3 bowlLocation;

    private static List<string> foodBowlItems = new()
    {
        "food_00001",       // 狗粮
        "food_00002",       // 狗罐头
        "food_00003"        // 冻肉干
    };
    private static List<string> waterBowlItems = new()
    {
        "water_00001",      // 水
        "water_00002"       // 牛奶
    };



    public static string _itemUseId = null;        // 暂存使用item数据，调用另外一个Monobehaviour Class来执行网络通讯


    public static void ItemUsed(string itemId)
    {
        // 消费食物类
        if (foodBowlItems.Contains(itemId))
        {
            var bowls = GameObject.Find("Bowls");
            var targetBowl = bowls.transform.Find("Bowl_food").gameObject;
            targetBowl.transform.localPosition = CalcBowlShowLoc();
            var food = targetBowl.transform.Find("Food").gameObject;
            food.SetActive(true);

            foreach (var dogInScene in HomeController.dogsInScene)
            {
                dogInScene.StartItemConsume(ItemGroup.food);
                dogInScene.SetMoveSpeed(UnityEngine.Random.Range(0.3f, 0.6f));
            }
            
        }

        // 消费水牛奶等
        if (waterBowlItems.Contains(itemId))
        {
            var bowls = GameObject.Find("Bowls");
            var targetBowl = bowls.transform.Find("Bowl_water").gameObject;
            targetBowl.transform.localPosition = CalcBowlShowLoc();
            var water = targetBowl.transform.Find("Water").gameObject;
            water.SetActive(true);

            foreach (var dogInScene in HomeController.dogsInScene)
            {
                dogInScene.StartItemConsume(ItemGroup.water);
                dogInScene.SetMoveSpeed(UnityEngine.Random.Range(0.3f, 0.6f));
            }

        }
        // TODO 以后打开 网络通讯后刷新数据
        //ItemUseController._itemUseId = itemId;
    }

 
    // 计算出一个碗的位置，距离所有只狗都至少2米，夹角至少要45度
    private static Vector3 CalcBowlShowLoc()
    {
        while (true)
        {
            float x = UnityEngine.Random.Range(-3f, 3f);
            float z = UnityEngine.Random.Range(-3f, 3f);
            bowlLocation = new Vector3(x, 0, z);
            bool allowToPlace = true;
            int dogQty = HomeController.dogsInScene.Count;
            for (int i = 0; i < dogQty; i++) {
                GameObject dog = HomeController.dogsInScene[i].gameObject;
                GameObject dogNext;
                if (i == dogQty - 1)
                {
                    dogNext = HomeController.dogsInScene[0].gameObject;      // 如果是最后一只狗，next dog就是第一值
                }
                else
                {
                    dogNext = HomeController.dogsInScene[i+1].gameObject;
                }
                if (Vector3.Distance(bowlLocation, dog.transform.position) < 2)     // 距离所有只狗都至少2米
                {
                    allowToPlace = false;
                    continue;
                }
                //if (dogQty > 1)     // 需要计算狗与狗的角度
                //{
                //   if(CalcAngle(bowlLocation, dog.transform.position, dogNext.transform.position) < 45)
                //    {
                //        allowToPlace = false;
                //        continue;
                //    }
                //}
            }
            if (allowToPlace)
            {
                return bowlLocation;
            }
        }
    }

   

    // 废弃，待删除
    private static float CalcAngle(Vector3 bowlLoc, Vector3 targetLoc1, Vector3 targetPoc2)
    {
        // 计算向量AB和向量AC
        Vector3 vectorAB = bowlLoc - targetLoc1;
        Vector3 vectorAC = bowlLoc - targetPoc2;

        // 计算向量AB和向量AC的模长
        float magnitudeAB = vectorAB.magnitude;
        float magnitudeAC = vectorAC.magnitude;

        // 计算点积
        float dotProduct = Vector3.Dot(vectorAB, vectorAC);

        // 计算夹角的余弦值
        float cosTheta = dotProduct / (magnitudeAB * magnitudeAC);

        // 计算夹角θ
        float angleTheta = Mathf.Acos(cosTheta) * Mathf.Rad2Deg; // 将弧度转换为度数
        Debug.Log("夹角θ: " + angleTheta + "度");

        return angleTheta;
    }

}