From 15a62795a2f2d9e7311bea4b59430c589125ec79 Mon Sep 17 00:00:00 2001
From: Neil Kollack <nkollack@gmail.com>
Date: Wed, 13 Apr 2022 18:10:31 -0500
Subject: fix: player swing + whip damage/grapple

---
 Assets/Scripts/Items/Whip.cs | 53 +++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 47 insertions(+), 6 deletions(-)

(limited to 'Assets/Scripts/Items/Whip.cs')

diff --git a/Assets/Scripts/Items/Whip.cs b/Assets/Scripts/Items/Whip.cs
index 5f086eb..134ea53 100644
--- a/Assets/Scripts/Items/Whip.cs
+++ b/Assets/Scripts/Items/Whip.cs
@@ -1,3 +1,6 @@
+using MontanaJohns.Actors;
+using MontanaJohns.Core;
+using System.Collections;
 using UnityEngine;
 using UnityEngine.InputSystem;
 
@@ -6,25 +9,63 @@ namespace MontanaJohns.Items
     public class Whip : Active
     {
         [SerializeField] protected GameObject hook;
-        [SerializeField] protected float maxRopeLength = 5f;
-
+        [SerializeField] protected GameObject hookNoSwing;
+        [SerializeField] protected float maxRopeLength = 20f;
+        protected GameObject player;
         protected GameObject currentHook;
+        protected LayerMask ropeLayers;
         protected bool ropeExists = false;
 
-        public override void Use()
+        private void Awake()
+        {
+            stats.damage = 1;
+        }
+
+        private void Start()
+        {
+            player = GameObject.FindGameObjectWithTag("Player");
+            ropeLayers = LayerMask.GetMask("Grapple", "Enemy");          
+        }
+
+        public override Vector2? Use()
         {
             if (!ropeExists)
             {
                 Vector2 clickLocation = Camera.main.ScreenToWorldPoint(Mouse.current.position.ReadValue());
-
-                currentHook = Instantiate(hook, clickLocation, Quaternion.identity);
-                ropeExists = true;
+                Vector2 playerPos = player.transform.position;
+                Vector2 direction = clickLocation - playerPos;
+                RaycastHit2D hit = Physics2D.Raycast(playerPos, direction, maxRopeLength, ropeLayers);
+                if(hit.collider != null)
+                {
+                    GameObject collisionGameObject = hit.collider.gameObject;
+                    ropeExists = true;
+                    if (LayerMask.LayerToName(collisionGameObject.layer) == "Grapple")
+                    {
+                        currentHook = Instantiate(hook, clickLocation, Quaternion.identity);
+                        return clickLocation;
+                    }
+                    else
+                    {
+                        StartCoroutine(WhipSmack(collisionGameObject, clickLocation));
+                    }
+                }
+                return null;
             }
             else
             {
                 Destroy(currentHook);
                 ropeExists = false;
+                return null;
             }
         }
+
+        private IEnumerator WhipSmack(GameObject collisionGameObject, Vector2 clickLocation)
+        {
+            currentHook = Instantiate(hookNoSwing, clickLocation, Quaternion.identity);
+            collisionGameObject.GetComponent<Actor>().TakeDamage(player.GetComponent<Stats>().damage);
+            yield return new WaitForSeconds(0.1f);
+            Destroy(currentHook);
+            ropeExists = false;
+        }
     }
 }
\ No newline at end of file
-- 
cgit v1.2.3-70-g09d2