Unity3D学习记录（实现一个简单的Galgame)(二）

继续来写Galgame项目。昨天写的脚本很多地方都很不规范，今天来整改一下。

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首先想了一下，决定直接把DialogueTrigger删掉，硬要加入一个中间组件会使两段对话的衔接处出现很大的问题，还不如去掉，全部用DialogueManager来实现。直接定义一个GameObject的数组，来存放所有对话Object。然后是其他的定义部分，看名字应该都能懂。

//public varible for dialogue display
    public GUISkin FontSet;//GUI SKIN
    public GameObject[] Conversations;
    public Texture2D TxtBackground;
    public Texture2D TxtCharacter;
    public string Current_String;
    public string Speaker;
    public AudioClip Current_BGM;
    //private varible for some parameters
    private int ConversationAmount;
    private int ConversationArraySign;
    private string Temp_String;//Used for display
    private string[] Dialogue_Array;
    private bool UpdateTrigger;
    private bool EndFlag;
    private Rect DrawPos;

我们先来把全局变量定义了，因为等会儿会用到文字显示的状态。新建一个GlobalManager脚本，定义枚举变量。估计BGM也会用全局变量来控制，定义了再说。

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
//Used for State Switch
public enum Project_State {none,playing,pause}
public enum GameBGM {none,bgm1,bgm2,bgm3,bgm4}
public class Display_State : MonoBehaviour {
    //Initialize;
    public static Project_State Displaying_State = Project_State.none;
    public static GameBGM Dialogue_BGM = GameBGM.none;
}

修改了一下对话元素的内容，添加三个矩形来改变立绘的位置,并用index来选择绘制位置,在Manager中用switch语句来控制。

public class IndividualConversation : MonoBehaviour {
    public Texture2D Background;
    public Texture2D Character;
    public string Speaker;
    public string[] Conversations;
    public int index;
    public AudioClip BgmSelection;
    public Rect[] Positions=new Rect[3];
    
    void Awake()
    {
        Positions[0] = new Rect(new Rect(200, 100, Character.width, Character.height));
        Positions[1] = new Rect(new Rect(100, 100, Character.width, Character.height));
        Positions[2] = new Rect(new Rect(300, 100, Character.width, Character.height));
    }
}

然后要实现动态显示文字的功能必须用到协程，必须规划好，播放对话的内容只能用一个协程来实现，不然会出现混乱的情况，函数内容和昨天Trigger里的实现原理相似，在命名上稍微规范了下。

IEnumerator Playing_Conversation(GameObject[] Cur_Conversation)
    {
        Display_State.Displaying_State = Project_State.playing;
        foreach (GameObject gb1 in Cur_Conversation)
        {
            //Initializing
            Current_BGM = gb1.GetComponent<IndividualConversation>().BgmSelection;
            Dialogue_Array = gb1.GetComponent<IndividualConversation>().Conversations;
            TxtBackground = gb1.GetComponent<IndividualConversation>().Background;
            TxtCharacter = gb1.GetComponent<IndividualConversation>().Character;
            //Get Character Position
            switch(gb1.GetComponent<IndividualConversation>().index)
            {
                case 0:
                    DrawPos = gb1.GetComponent<IndividualConversation>().Positions[0];
                    break;
                case 1:
                    DrawPos = gb1.GetComponent<IndividualConversation>().Positions[1];
                    break;
                case 2:
                    DrawPos = gb1.GetComponent<IndividualConversation>().Positions[2];
                    break;
                default:
                    DrawPos = gb1.GetComponent<IndividualConversation>().Positions[1];
                    break;
            }
            yield return new WaitForEndOfFrame();
            ConversationArraySign = 0;
            int StringSign = 0;
            Current_String = "";
            Debug.Log("Start Text Display");
            //Debug if Got or not
            //Debug.Log(Dialogue_Array.Length);
            //
            while (ConversationArraySign < Dialogue_Array.Length)
            {
                Temp_String = Dialogue_Array[ConversationArraySign];
                while (StringSign < Temp_String.Length &&
                Current_String.Length < Temp_String.Length && Display_State.Displaying_State == Project_State.playing)
                {
                    Debug.Log(StringSign);
                    Current_String += Temp_String[StringSign];
                    yield return new WaitForSeconds(0.05f);
                    StringSign += 1;
                }
                if (Current_String != Temp_String)
                {
                    Current_String = Temp_String;
                }
                Display_State.Displaying_State = Project_State.pause;
                while (Display_State.Displaying_State == Project_State.pause)
                {
                    yield return new WaitForSeconds(0.01f);
                }
                Current_String = "";
                ConversationArraySign++;
                StringSign = 0;
            }
        }
        StopCoroutine("Playing_Conversation");
    }

更新状态变化的函数在此(在update()中调用)：

void UpdateState()
    {
        if(Display_State.Displaying_State == Project_State.playing&&UpdateTrigger==true)
        {
            Display_State.Displaying_State = Project_State.pause;
        }
        else if (Display_State.Displaying_State == Project_State.pause && UpdateTrigger == true)
        {
            Display_State.Displaying_State = Project_State.playing;
        }
    }

BGM还没想好怎么弄，是该直接在对话里加载还是用全局变量，之后再想吧。还需要好感度，选择支的设置，以及存档读取功能的实现，还是有点麻烦的，这几天慢慢来实现。
把脚本和图片挂上去，试一试效果

界面太丑，GUI掌握得太浅了，还需要继续学习。明天继续
把整个Manager贴上来给大家把玩

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
public class DialogueManager : MonoBehaviour {
    //public varible for dialogue display
    public GUISkin FontSet;
    public GameObject[] Conversations;
    public Texture2D TxtBackground;
    public Texture2D TxtCharacter;
    public string Current_String;
    public string Speaker;
    public AudioClip Current_BGM;
    //private varible for some parameters
    private int ConversationAmount;
    private int ConversationArraySign;
    private string Temp_String;
    private string[] Dialogue_Array;
    private bool UpdateTrigger;
    private bool EndFlag;
    private Rect DrawPos;
    private void Awake()
    {
        Current_String="";
        Temp_String = "";
        ConversationAmount = 0;
        ConversationArraySign = 0;
        UpdateTrigger = false;
        EndFlag = false;
    }
    void Start () {
        StartCoroutine("Playing_Conversation", Conversations);
 }
    private void OnGUI()
    {
        GUI.skin = FontSet;
        GUI.DrawTexture(new Rect(0, 0, Screen.width, Screen.height),TxtBackground);
        GUI.DrawTexture(DrawPos, TxtCharacter);
        GUI.Label(new Rect(20, Screen.height - 70, Screen.width - 30, 30), Current_String);
        GUI.Label(new Rect(20, Screen.height - 120, 50, 20), "未定义");
        UpdateTrigger= GUI.Button(new Rect(Screen.width - 100, Screen.height - 100, 90, 40),
            "continue");
    }
    void UpdateState()
    {
        if(Display_State.Displaying_State == Project_State.playing&&UpdateTrigger==true)
        {
            Display_State.Displaying_State = Project_State.pause;
        }
        else if (Display_State.Displaying_State == Project_State.pause && UpdateTrigger == true)
        {
            Display_State.Displaying_State = Project_State.playing;
        }
    }
    void SelectBGM(GameObject para)
    {
        GameObject BGMPlayer = GameObject.Find("BGM_Manager/BGM_Source");
    }
    IEnumerator Playing_Conversation(GameObject[] Cur_Conversation)
    {
        Display_State.Displaying_State = Project_State.playing;
        foreach (GameObject gb1 in Cur_Conversation)
        {
            //Initializing
            Current_BGM = gb1.GetComponent<IndividualConversation>().BgmSelection;
            Dialogue_Array = gb1.GetComponent<IndividualConversation>().Conversations;
            TxtBackground = gb1.GetComponent<IndividualConversation>().Background;
            TxtCharacter = gb1.GetComponent<IndividualConversation>().Character;
            //Get Character Position
            switch(gb1.GetComponent<IndividualConversation>().index)
            {
                case 0:
                    DrawPos = gb1.GetComponent<IndividualConversation>().Positions[0];
                    break;
                case 1:
                    DrawPos = gb1.GetComponent<IndividualConversation>().Positions[1];
                    break;
                case 2:
                    DrawPos = gb1.GetComponent<IndividualConversation>().Positions[2];
                    break;
                default:
                    DrawPos = gb1.GetComponent<IndividualConversation>().Positions[1];
                    break;
            }
            yield return new WaitForEndOfFrame();
            ConversationArraySign = 0;
            int StringSign = 0;
            Current_String = "";
            Debug.Log("Start Text Display");
            //Debug if Got or not
            //Debug.Log(Dialogue_Array.Length);
            //
            while (ConversationArraySign < Dialogue_Array.Length)
            {
                Temp_String = Dialogue_Array[ConversationArraySign];
                while (StringSign < Temp_String.Length &&
                Current_String.Length < Temp_String.Length && Display_State.Displaying_State == Project_State.playing)
                {
                    Debug.Log(StringSign);
                    Current_String += Temp_String[StringSign];
                    yield return new WaitForSeconds(0.05f);
                    StringSign += 1;
                }
                if (Current_String != Temp_String)
                {
                    Current_String = Temp_String;
                }
                Display_State.Displaying_State = Project_State.pause;
                while (Display_State.Displaying_State == Project_State.pause)
                {
                    yield return new WaitForSeconds(0.01f);
                }
                Current_String = "";
                ConversationArraySign++;
                StringSign = 0;
            }
        }
        StopCoroutine("Playing_Conversation");
    }
    // Update is called once per frame
    void Update () {
        UpdateState();
    }
}