feat: refactor steam gift custom behavior, add patches

Behaviours/SteamGiftPhysicsProp.cs

@@ -1,5 +1,4 @@
-using Unity.Netcode;
-using UnityEngine;
+using UnityEngine;
 
 namespace DingusThings.Behaviours
 {
@@ -23,9 +22,9 @@ public override void ItemActivate(bool used, bool buttonDown = true)
             {
                 AssetBundle? bundle = DingusThings.Bundle;
                 string itemName = "Steam Gift Card";
-                
+
                 // find a terminal
-                Terminal terminal = FindFirstObjectByType<Terminal>();
+                Terminal terminal = DingusThings.GetTerminalInstance();
                 if (terminal != null)
                 {
                     // add scrap value to terminal

DingusThings.cs

@@ -1,6 +1,7 @@
 using BepInEx;
 using BepInEx.Logging;
 using DingusThings.Behaviours;
+using DingusThings.Patches;
 using HarmonyLib;
 using LethalLib.Modules;
 using System.IO;
@@ -21,6 +22,25 @@ public class DingusThings : BaseUnityPlugin
 
         public static string PluginString = $"{MyPluginInfo.PLUGIN_NAME} v{MyPluginInfo.PLUGIN_VERSION}";
 
+        private static Terminal? terminalInstance;
+
+        public static void SetTerminalInstance(Terminal terminal)
+        {
+            terminalInstance = terminal;
+        }
+
+        public static Terminal? GetTerminalInstance()
+        {
+            if (terminalInstance != null)
+            {
+                return terminalInstance;
+            } 
+            else
+            {
+                return null;
+            }
+        }
+
         private void Awake()
         {
             Logger = base.Logger;
@@ -35,6 +55,10 @@ private void Awake()
                 return;
             }
 
+            // load patches
+            Harmony.CreateAndPatchAll(typeof(TerminalPatch));
+            Harmony.CreateAndPatchAll(typeof(SteamGiftPatch));
+
             /// My Heart
             int myHeartRarity = 30;
             Item myHeartItem = Bundle.LoadAsset<Item>("Assets/DingusThings/Items/MyHeart.asset");
@@ -54,7 +78,7 @@ private void Awake()
             /// Steam Gift Card
             int steamGiftRarity = 50;
             Item steamGiftItem = Bundle.LoadAsset<Item>("Assets/DingusThings/Items/SteamGiftCard.asset");
-            steamGiftItem.toolTips = ["Inspect : [ Z ]", "Redeem : [ LMB ]"];
+            steamGiftItem.toolTips = ["Inspect : [ Z ]"];
             SteamGiftPhysicsProp steamGiftPhysicsProp = steamGiftItem.spawnPrefab.AddComponent<SteamGiftPhysicsProp>();
             steamGiftPhysicsProp.grabbable = true;
             steamGiftPhysicsProp.grabbableToEnemies = true;

Patches/SteamGiftPatch.cs

@@ -0,0 +1,18 @@
+using HarmonyLib;
+
+namespace DingusThings.Patches
+{
+    internal class SteamGiftPatch
+    {
+        [HarmonyPatch(typeof(GrabbableObject), nameof(GrabbableObject.GrabItem))]
+        [HarmonyPostfix]
+        public static void GrabbableObject_GrabItem(GrabbableObject __instance)
+        {
+            if (__instance.itemProperties.itemName == "Steam Gift Card")
+            {
+                // change tooltip on grab
+                HUDManager.Instance.ChangeControlTip(2, __instance.scrapValue <= 0 ? "ALREADY REDEEMED" : "Redeem : [ LMB ]");
+            }
+        }
+    }
+}

Patches/TerminalPatch.cs

@@ -0,0 +1,16 @@
+using HarmonyLib;
+
+namespace DingusThings.Patches
+{
+    internal class TerminalPatch
+    {
+        // tell Harmony which class method is being targeted
+        [HarmonyPatch(typeof(Terminal), nameof(Terminal.Start))]
+        // run after original method
+        [HarmonyPostfix]
+        public static void Terminal_Start(Terminal __instance)
+        {
+            DingusThings.SetTerminalInstance(__instance);
+        }
+    }
+}