RespawnScript

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

public class respawn : MonoBehaviour
{
    //Dette script sidder på playeren og gør flere ting
    //Scriptet styrer hans hp, checkpoints, og død
    
    
    float health;
    public float maxHealth = 100;
    float healthFraction;

    public int coinDamage = 40;
    public int bombDamage = 80;
    public int projectileDamage = 20;
    public int fishDamage = 30;

    PlayerMovement pM;
    public movementController mC;
    Rigidbody2D rb2d;
    public Animator playerAnimator;

    public Transform greenBar;
    public Transform healthBar;
    Vector3 barlocalScale;

    int levelBottom = -30;

    public int checkPointRange = 1;

    public bool alive = true;
    public bool hitByCoin;
    public bool hitByBomb;
    public float reviveTime = 2;
    public float dieTime;

    public Transform[] checkPoints;
    Transform currentCheckPoint;


    // Start is called before the first frame update
    void Start()
    {
        currentCheckPoint = checkPoints[0];
        spawnIfDead();
        pM = GetComponent<PlayerMovement>();
        mC = GetComponent<movementController>();
        rb2d = GetComponent<Rigidbody2D>();
        barlocalScale = greenBar.localScale;
        
    }

    void Update()
    {
        if (hitByCoin)
        {
            if (mC.canTakeDamage)
            {
                health -= coinDamage;
            }
            hitByCoin = false;
        }

        dieAndSpawn();
        newCheckPointIfReached();
        healthBarShow();
    }

    public void spawnIfDead()
    {
        playerAnimator.SetBool("dead", false);
        playerAnimator.SetBool("inWater", false);
        transform.position = currentCheckPoint.transform.position;
        alive = true;
        mC.showItems = true;
        //pM.crouch = false;
        health = maxHealth;
        
    }

    public void dieAndSpawn()
    {
        if(health < 1)
        {
            die();
            health = 0;
            Debug.Log("no health left");
        }

        if(transform.position.y < levelBottom)
        {
            Debug.Log("Fell too far");
            die();
        }

        if (!alive)
        {
            rb2d.velocity = new Vector2(0,rb2d.velocity.y);
        }

        if (!alive && Time.time > dieTime + reviveTime)
        {
            spawnIfDead();

        }
    }

    void die()
    {
        if (alive)
        {
            mC.showItems = false;
            alive = false;
            dieTime = Time.time;
            playerAnimator.SetBool("dead", true);
            playerAnimator.SetTrigger("death");
            pM.crouch = false;
            //refToSR.color = new Color(1, 1, 1, 0);
        }
       
    }

    void OnCollisionEnter2D(Collision2D collision)
    {
        if (mC.canTakeDamage)
        {
            if (collision.gameObject.layer == 8)
            {
                health -= projectileDamage;
            }
            if(collision.gameObject.layer == 16)
            {
                health -= fishDamage;
            }
        }

        if (collision.gameObject.layer == 11)
        {
            die();
        }
    }

    void checkIfReachedCheckPoint(int which)
    {
        if(transform.position.x > checkPoints[which].position.x - checkPointRange && transform.position.x < checkPoints[which].position.x + checkPointRange)
        {
            if(transform.position.y > checkPoints[which].position.y - checkPointRange && transform.position.y < checkPoints[which].position.y + checkPointRange)
            {
                currentCheckPoint = checkPoints[which];
            }
        }
    }

    void newCheckPointIfReached()
    {
        for(int i = 0; i < checkPoints.Length; i++)
        {
            checkIfReachedCheckPoint(i);
        }
    }

    void healthBarShow()
    {
        if(gameObject.transform.localScale.x < 0)
        {
            if(healthBar.localScale.x > 0)
            {
                Vector3 Xcale = healthBar.localScale;
                Xcale.x *= -1;
                healthBar.localScale = Xcale;
            }
        }
        if (gameObject.transform.localScale.x > 0)
        {
            if (healthBar.localScale.x < 0)
            {
                Vector3 Xcale = healthBar.localScale;
                Xcale.x *= -1;
                healthBar.localScale = Xcale;
            }
        }

        healthFraction = health / maxHealth;
        Vector3 greenScale = new Vector3(2, 0.3f, 1);
        greenScale.x = healthFraction * barlocalScale.x;
        greenBar.localScale = greenScale;

        Vector3 greenBarPos = new Vector3(-1+healthFraction,0,0);
        greenBar.localPosition = greenBarPos;
    }

}