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using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using MontanaJohns.Core;
using MontanaJohns.Items;
using UnityEngine;
namespace MontanaJohns.Actors
{
[RequireComponent(typeof(Rigidbody2D))]
public abstract class Actor : MonoBehaviour
{
[SerializeField] protected float gravityScale = 1.5f;
[SerializeField] protected Stats baseStats = Stats.DefaultBaseStats();
[SerializeField] protected Transform groundCheckPoint;
[SerializeField] protected float invulnTime = 0f;
protected Rigidbody2D _rigidBody;
protected SpriteRenderer _renderer;
protected Animator _animator;
protected Transform _transform;
protected Active activeItem;
protected bool isGrappling;
protected Vector2? grapplePoint = null;
protected LayerMask groundLayers;
protected Collection<Item> items;
protected int jumpCount;
protected Vector2 acceleration;
public Stats stats;
public int health;
public bool invuln;
protected virtual void Awake()
{
_rigidBody = GetComponent<Rigidbody2D>();
_transform = GetComponent<Transform>();
_renderer = GetComponent<SpriteRenderer>();
_animator = GetComponent<Animator>();
groundLayers = LayerMask.GetMask("Grapple", "Ground");
_rigidBody.freezeRotation = true;
_rigidBody.collisionDetectionMode = CollisionDetectionMode2D.Continuous;
_rigidBody.gravityScale = gravityScale;
items = new();
stats = baseStats;
health = stats.maxHealth;
jumpCount = stats.maxJumps;
}
protected virtual void Start()
{
}
protected virtual void FixedUpdate()
{
if (!_animator.GetBool("airborn") && !Physics2D.OverlapCircle(groundCheckPoint.position, 0.2f, groundLayers))
{
_animator.SetTrigger("fall");
StartCoroutine(Falling());
}
}
public virtual void Move(float input)
{
var target = new Vector2(input * stats.speedMultiplier * 10, _rigidBody.velocity.y);
_rigidBody.velocity = Vector2.SmoothDamp(_rigidBody.velocity, target, ref acceleration, .05f);
_animator.SetBool("moving", Mathf.Abs(_rigidBody.velocity.x) > 1);
if (_rigidBody.velocity.x < -0.1) {
_renderer.flipX = true;
for (int i = 0; i < transform.childCount; i++) {
var rot = transform.GetChild(i).rotation;
rot.y = 180f;
transform.GetChild(i).rotation = rot;
}
}
else if (_rigidBody.velocity.x > 0.1) {
_renderer.flipX = false;
for (int i = 0; i < transform.childCount; i++) {
var rot = transform.GetChild(i).rotation;
rot.y = 0f;
transform.GetChild(i).rotation = rot;
}
}
}
public virtual void MoveY(float input)
{
var target = new Vector2(_rigidBody.velocity.x, input * stats.speedMultiplier * 10);
_rigidBody.velocity = Vector2.SmoothDamp(_rigidBody.velocity, target, ref acceleration, .05f);
}
public virtual void Jump()
{
if(Physics2D.OverlapCircle(groundCheckPoint.position, 0.2f, groundLayers))
{
jumpCount = stats.maxJumps;
}
if (jumpCount > 0)
{
jumpCount--;
_rigidBody.AddForce(Vector2.up * stats.jumpForce);
_animator.SetTrigger("jump");
_animator.SetBool("airborn", true);
StartCoroutine(Falling());
}
}
public virtual void Use()
{
Vector2? grapplePoint;
if (activeItem != null)
{
grapplePoint = activeItem.Use();
if (grapplePoint != null)
isGrappling = true;
else
isGrappling = false;
}
else
grapplePoint = null;
this.grapplePoint = grapplePoint;
}
public virtual void Cancel()
{
if (PauseMenu.isPaused)
{
PauseMenu.Resume();
}
else
{
PauseMenu.Pause();
}
}
public virtual void AddItem(Item item)
{
items.Add(item);
stats = baseStats + items.Select(i => i.stats).Sum();
}
public virtual void Grapple(float xInput, float yInput, Vector2 grapplePoint)
{
Move(xInput);
MoveY(yInput);
}
public virtual void TakeDamage(int damage)
{
StartCoroutine(Damage(damage));
}
private IEnumerator Damage(int damage)
{
if(!invuln)
{
invuln = true;
health -= damage;
StartCoroutine(DamageAnimation());
yield return new WaitForSeconds(invulnTime);
invuln = false;
}
}
private IEnumerator DamageAnimation()
{
_renderer.color = Color.red;
yield return new WaitForSeconds(0.5f);
_renderer.color = Color.white;
}
private IEnumerator Falling()
{
_animator.SetBool("airborn", true);
while (!Physics2D.OverlapCircle(groundCheckPoint.position, 0.2f, groundLayers))
{
yield return new WaitForEndOfFrame();
}
_animator.SetBool("airborn", false);
yield break;
}
}
}
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