与任务脚本的对话不能正常工作

Question

我正在创建一个脚本来控制对话并为 Unity 游戏中的主要角色分配任务。有一个任务列表，根据列表中变量的数量，可以改变对话。如果变量等于 1 主角得到一个任务，2 任务完成，3 主角告诉 npc 任务完成。当触发 npc 碰撞器时，会出现对话图像，玩家会看到 npc 的文字和 2 个带有可能答案的按钮。一个按钮关闭对话图像，另一个按钮进一步移动对话。

问题是我找不到让它工作的方法（ tasks[0] == 3 ）。因为它不会改变和对话循环。我试着把它放在不同的地方，但没有任何改变。

我是初学者，所以可能会有一些我没有注意到的愚蠢错误。

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class Dialogue : MonoBehaviour
{
    [SerializeField] GameObject dialogue;
    [SerializeField] Text npcText;
    
    [SerializeField] List<Text> buttonText = new List<Text>();
    public DialogueBlock[] dialogueBlock;
    [SerializeField] public PlayerController playerController;

    int dialogueBlockPlace = 0;
    public List<int> tasks = new List<int>();
    [SerializeField] List<string> taskString = new List<string>();
    // Start is called before the first frame update
    void Start()
    {
        
        
    }

    // Update is called once per frame
    void Update()
    {
        
    }

    public void OnTriggerEnter(Collider other)
    {
        if(other.tag == "Player")
        {
            dialogue.SetActive(true);
            dialogueBlockPlace = 0;
            Answer(0);
        }
    }
    public void OnTriggerExit(Collider other)
    {
        if(other.tag == "Player")
        {
            dialogue.SetActive(false);
        }
    }

    private void Answer(int num)
    {
        npcText.text = dialogueBlock[num].npcText;
        buttonText[0].text = dialogueBlock[num].playerAnswer[0].Text;
        buttonText[1].text = dialogueBlock[num].playerAnswer[1].Text;
    }
    
    public void AnswerButtonClicked(int buttonNum)//u=mesti ant mygtuko
    {
        if(dialogueBlock[dialogueBlockPlace].playerAnswer[buttonNum].speakEnd)
        {
            dialogue.SetActive(false);
        }
        dialogueBlockPlace = dialogueBlock[dialogueBlockPlace].playerAnswer[buttonNum].toBlock;
        TaskStarted();
        if (dialogueBlock[dialogueBlockPlace].playerAnswer[buttonNum].questInt == 1)
        {
            if (tasks[0] == 0)
            {
                tasks[0] = 1;
            }
            else if (tasks[0] > 2)
            {
                tasks[1] = 1;
            }
            else if (tasks[1] > 2 )
            {
                tasks[2] = 1;
            }
        }
        
        DialogueControl();
        
    }

    public void DialogueControl()
    {
        TaskDone();
        ChangeText();
        print(dialogueBlockPlace);
        Answer(dialogueBlockPlace);
    }

    private void TaskStarted()
    {
        if (tasks[0] == 1 || tasks[1] == 1 || tasks[2] == 1)
        {
            
            dialogueBlockPlace = 4;
        }
    }
    

    private void TaskDone()
    {
        if (tasks[0] == 2 || tasks[1] == 2 || tasks[2] == 2)
        {
            
            dialogueBlockPlace = 3;
            tasks[0] = 3;//dont work

        }
    }
    
    public void ChangeText()
    {
        if (tasks[0]==0)
        {
            dialogueBlock[2].npcText = taskString[0];
        }
        if (tasks[0] == 3)
        {
            dialogueBlock[2].npcText = taskString[1];
            
        }
        if (tasks[1] == 3)
        {
            dialogueBlock[2].npcText = taskString[2];
        }

    }
    
    

}
[System.Serializable]
public class DialogueBlock
{
    public string npcText;
    public PlayerAnswer[] playerAnswer;
}
[System.Serializable]
public class PlayerAnswer
{
    public string Text;
    public int toBlock;
    public bool speakEnd;
    public int questInt;
    

}