Player Code

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

public class PlayerMovement : MonoBehaviour
{
    private Rigidbody2D rb;
    private SpriteRenderer sprite;
    private Animator anim;
    private float dirX = 0f;
    [SerializeField] private float moveSpeed = 4f;
    private bool isPunching = false;
    private bool isCrouching = false;

    // Start is called before the first frame update
    private void Start()
    {
        rb = GetComponent<Rigidbody2D>();
        sprite = GetComponent<SpriteRenderer>();
        anim = GetComponent<Animator>();
    }

    // Update is called once per frame
    private void Update()
    {
        // If currently punching or crouching, disable movement
        if (isPunching || isCrouching)
        {
            dirX = 0f;
        }
        else
        {
            // Allow Movement
            dirX = Input.GetAxisRaw("Horizontal");
        }

        rb.velocity = new Vector2(dirX * moveSpeed, rb.velocity.y);
        UpdateAnimationState();

        // Punch on spacebar press
        if (Input.GetKeyDown(KeyCode.Space) && !isCrouching)
        {
            Punch();
        }

        // Crouch on "S" key down
        if (Input.GetKeyDown(KeyCode.S) && !isPunching)
        {
            Crouch();
        }
        // Stand up on "S" key up
        else if (Input.GetKeyUp(KeyCode.S))
        {
            StandUp();
        }
    }

    // Updates animations for player movement
    private void UpdateAnimationState()
    {
        if (dirX != 0f)
        {
            anim.SetBool("walking", true);
            sprite.flipX = dirX < 0f;
        }
        else
        {
            anim.SetBool("walking", false);
        }
    }

    private void Punch()
    {
        if (!isCrouching)
        {
            isPunching = true;
            anim.SetTrigger("punch");
        }
    }

    private void Crouch()
    {
        if (!isPunching)
        {
            isCrouching = true;
            anim.SetBool("crouch", true);
        }
    }


    private void StandUp()
    {
        isCrouching = false;
        anim.SetBool("crouch", false);
    }

    // Called from animation event to signal the end of punch animation
    public void FinishPunch()
    {
        isPunching = false;
    }
}