yichael_smartbow/Assets/BowArrow/Scripts/Manager/GameMgr.cs

using UnityEngine;

public class GameMgr : MonoBehaviour
{
    public static int gameMode = 2;
    public GameMode1 gameMode1;
    public GameMode2 gameMode2;
    public bool gameOver = false;
    
    public static GameMgr ins;

    void Start() 
    {
        ins = this;

        AudioMgr.init();

        this.initGameMode();
    }

    void FixedUpdate()
    {
        if (this.gameMode2 != null)
        {
            this.gameMode2.UpdateTime(this);
        }
    }

    void initGameMode() {
        if (gameMode == 1) 
        {
            this.gameMode1 = new GameMode1();
            this.gameMode1.init(this);
        }
        else if (gameMode == 2)
        {
            this.gameMode2 = new GameMode2();
            this.gameMode2.init(this);
        }
    }

    public void hitTarget(int score) {
        if (gameMode == 1)
        {
            this.gameMode1.hitTarget(this, score);
        }
        else if (gameMode == 2)
        {
            this.gameMode2.hitTarget(this, score);
        }
    }

    public bool checkFinish() {
        if (gameMode == 1) 
        {
            return this.gameMode1.checkFinish(this);
        }
        else if (gameMode == 2)
        {
            return this.gameMode2.checkFinish(this);
        }
        return false;
    }

    public GameWinResult GetGameWinResult() 
    {
        if (gameMode == 1)
        {
            return gameMode1.getWinResult();
        }
        else if (gameMode == 2)
        {
            return gameMode2.getWinResult();
        }
        return null;
    }

    public void Pause() {
        Time.timeScale = 0;
    }

    public void Resume() {
        Time.timeScale = 1;
    }

    public void StopGame() {
        Destroy(GameObject.FindObjectOfType<BowCamera>());
        Arrow[] arrows = GameObject.FindObjectsOfType<Arrow>();
        foreach(var arrow in arrows)
        {
            Destroy(arrow);
        }
    }
}

/**闯关模式 */
public class GameMode1 {
    public static int level;
    public int arrowCount = 3;
    public int arrowCountMax = 3;
    public int score = 0;
    public int oneStarScore = 8;
    public bool finish;

    public void init(GameMgr gameMgr) {
        GameObject gv1 = Resources.Load<GameObject>("Prefabs/Views/ChallengeGameView");
        GameObject.Instantiate(gv1, Vector3.zero, new Quaternion());

        //debug
        TargetBody tb = GameObject.Find("GameArea/010/TargetBody").GetComponent<TargetBody>();
        TargetBody tb1 = GameObject.Find("GameArea/010 (1)/TargetBody").GetComponent<TargetBody>();
        // TargetBody tb2 = GameObject.Find("GameArea/010 (2)/TargetBody").GetComponent<TargetBody>();
        GameObject.Find("Main Camera/ArmBow").GetComponent<ArmBow>().validTargets.Add(tb);
        GameObject.Find("Main Camera/ArmBow").GetComponent<ArmBow>().validTargets.Add(tb1);
        // GameObject.Find("Main Camera/ArmBow").GetComponent<ArmBow>().validTargets.Add(tb2);
    }

    public void hitTarget(GameMgr gameMgr, int score) {
        this.score += score;
        this.arrowCount -= 1;
    }

    public bool checkFinish(GameMgr gameMgr) {
        if (this.finish) return true;
        if (this.arrowCount <= 0) {
            this.finish = true;
            gameMgr.gameOver = true;
            gameMgr.StopGame();
            GameObject gwv1 = Resources.Load<GameObject>("Prefabs/Views/GameResultView");
            GameObject.Instantiate(gwv1, Vector3.zero, new Quaternion());
            return true;
        }
        return false;
    }

    public GameWinResult getWinResult() {
        GameWinResult result = new GameWinResult();
        result.starCount = this.score / this.oneStarScore;
        result.score = this.score;
        string key = "Challenge_Star_";
        int star = PlayerPrefs.GetInt(key + level, 0);
        if (result.starCount > star)
        {
            PlayerPrefs.SetInt(key + level, result.starCount);
        }
        return result;
    }
}

/**限时模式 */
public class GameMode2 {
    public int hitCount = 0;
    public int score = 0;
    public int oneStarScore = 10;
    public float time = 60;
    public bool finish;

    public void init(GameMgr gameMgr) {
        GameObject gv1 = Resources.Load<GameObject>("Prefabs/Views/TimeLimitGameView");
        GameObject.Instantiate(gv1, Vector3.zero, new Quaternion());

        TargetBody tb = GameObject.Find("GameArea/010/TargetBody").GetComponent<TargetBody>();
        GameObject.Find("Main Camera/ArmBow").GetComponent<ArmBow>().validTargets.Add(tb);
    }

    public void hitTarget(GameMgr gameMgr, int score) {
        this.score += score;
        this.hitCount++;
    }

    public bool checkFinish(GameMgr gameMgr) {
        return this.finish;
    }

    public GameWinResult getWinResult() {
        GameWinResult result = new GameWinResult();
        result.starCount = this.score / this.oneStarScore;
        result.score = this.score;
        string keyLowest = "TimeLimitGameLowestScore";
        string keyHighest = "TimeLimitGameHighestScore";
        string keyLowestHitCount = "TimeLimitGameLowestHitCount";
        string keyHighestHitCount = "TimeLimitGameHighestHitCount";
        int lowestScore = PlayerPrefs.GetInt(keyLowest, -1);
        int highestScore = PlayerPrefs.GetInt(keyHighest, -1);
        if (lowestScore == -1 || result.score < lowestScore) {
            PlayerPrefs.SetInt(keyLowest, result.score);
            PlayerPrefs.SetInt(keyLowestHitCount, hitCount);
        }
        if (highestScore == -1 || result.score > highestScore) {
            PlayerPrefs.SetInt(keyHighest, result.score);
            PlayerPrefs.SetInt(keyHighestHitCount, hitCount);
        }
        return result;
    }

    public int[] GetScores() 
    {
        int[] scores = new int[4];
        string keyLowest = "TimeLimitGameLowestScore";
        string keyHighest = "TimeLimitGameHighestScore";
        string keyLowestHitCount = "TimeLimitGameLowestHitCount";
        string keyHighestHitCount = "TimeLimitGameHighestHitCount";
        scores[0] = PlayerPrefs.GetInt(keyHighestHitCount, 0);
        scores[1] = PlayerPrefs.GetInt(keyHighest, 0);
        scores[2] = PlayerPrefs.GetInt(keyLowestHitCount, 0);
        scores[3] = PlayerPrefs.GetInt(keyLowest, 0);
        return scores;
    }

    public void UpdateTime(GameMgr gameMgr) {
        if (this.finish) return;
        if (this.time > 0) {
            this.time -= Time.deltaTime;
        }
        else
        {
            this.time = 0;
            this.finish = true;
            gameMgr.gameOver = true;
            gameMgr.StopGame();
            GameObject gwv1 = Resources.Load<GameObject>("Prefabs/Views/GameResultView");
            GameObject.Instantiate(gwv1, Vector3.zero, new Quaternion());
        }
    }

    public string getTimeStr()
    {
        int seconds = Mathf.FloorToInt(this.time);
        string str = "";
        int m = seconds / 60; 
        if (m < 10) {
            str += 0;
        }
        str += m;
        str += " : ";
        int s = seconds % 60;
        if (s < 10)
        {
            str += 0;
        }
        str += s;
        return str;
    }
}


public class GameWinResult {
    public int starCount;
    public int score;
}