Custom Enemy part 1

Author: InfernoDragon0

COTL_API/COTL_API.csproj

@@ -13,15 +13,19 @@
         <PackageIcon>icon.png</PackageIcon>
     </PropertyGroup>
 
-    <Import Project="../COTL_API.Common.props"/>
+    <Import Project="../COTL_API.Common.props" />
 
     <ItemGroup>
-        <PackageReference Include="CultOfTheLamb.GameLibs" Version="1.5.15.979-r.0"/>
+        <PackageReference Include="CultOfTheLamb.GameLibs" Version="1.5.15.979-r.0" />
         <Reference Include="UnifyLibrary">
             <HintPath>..\lib\UnifyLibrary.dll</HintPath>
         </Reference>
-        <None Include="../README.md" Pack="true" PackagePath="/"/>
-        <None Include="../LICENSE" Pack="true" PackagePath="/"/>
-        <None Include="../icon.png" Pack="true" PackagePath="/"/>
+        <None Include="../README.md" Pack="true" PackagePath="/" />
+        <None Include="../LICENSE" Pack="true" PackagePath="/" />
+        <None Include="../icon.png" Pack="true" PackagePath="/" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <Folder Include="CustomEnemy\" />
     </ItemGroup>
 </Project>

COTL_API/CustomEnemy/CustomEnemy.cs

@@ -0,0 +1,16 @@
+using System;
+using Spine.Unity;
+
+namespace COTL_API.CustomEnemy;
+
+public abstract class CustomEnemy
+{
+    internal string ModPrefix = "";
+    public abstract string InternalName { get; }
+
+    public Enemy enemyType = Enemy.None;
+
+    public virtual string EnemyToMimic => "Assets/Prefabs/Enemies/All/Enemy Forest Archer Tennis.prefab";
+
+    public virtual SkeletonDataAsset? SpineOverride => null;
+}

COTL_API/CustomEnemy/CustomEnemyController.cs

@@ -0,0 +1,8 @@
+using System;
+
+namespace COTL_API.CustomEnemy;
+
+public class CustomEnemyController
+{
+    //TODO: this is the AI for the enemy, to do things like attacking, phase changes, priorities, etc
+}

COTL_API/CustomEnemy/CustomEnemyManager.cs

@@ -0,0 +1,77 @@
+using System.Collections;
+using System.Reflection;
+using COTL_API.Guid;
+using UnityEngine;
+using UnityEngine.AddressableAssets;
+using UnityEngine.ResourceManagement.AsyncOperations;
+
+namespace COTL_API.CustomEnemy;
+
+public static partial class CustomEnemyManager
+{
+    internal static Dictionary<Enemy, CustomEnemy> CustomEnemyList { get; } = []; //customEnemy Class list
+    public static Dictionary<Enemy, GameObject> CustomEnemyPrefabList { get; } = []; //prefabs used to spawn enemies
+    public static List<UnitObject> CustomSpawnedEnemies { get; } = [];
+
+    public static Enemy Add(CustomEnemy customEnemy)
+    {
+        var guid = TypeManager.GetModIdFromCallstack(Assembly.GetCallingAssembly());
+
+        var innerType = GuidManager.GetEnumValue<Enemy>(guid, customEnemy.InternalName);
+        customEnemy.enemyType = innerType;
+        customEnemy.ModPrefix = guid;
+
+        CustomEnemyList.Add(innerType, customEnemy);
+        LogWarning($"Added: {innerType} {customEnemy.InternalName} {customEnemy.ModPrefix}");
+
+        var enemyPrefab = BuildEnemyPrefab(customEnemy);
+        
+        return innerType;
+    }
+
+    public static IEnumerator BuildEnemyPrefab(CustomEnemy customEnemy)
+    {
+        
+        var opHandle = Addressables.LoadAssetAsync<GameObject>(customEnemy.EnemyToMimic);
+        yield return opHandle;
+
+        if (opHandle.Status == AsyncOperationStatus.Succeeded)
+        {
+            var loadedPrefab = opHandle.Result;
+            LogInfo("Successfully loaded enemy prefab: " + loadedPrefab.name);
+            
+            //var obj = Instantiate(loadedPrefab);
+            //obj.transform.position = PlayerFarming.Instance.transform.position;
+
+            //TODO: set attributes, spine, controller, etc on the custom enemy
+            CustomEnemyPrefabList.Add(customEnemy.enemyType, loadedPrefab);
+        }
+        else
+        {
+            LogError("Failed to load prefab at path: " + customEnemy.EnemyToMimic);
+        }
+    }
+
+    public static UnitObject? Spawn(Enemy enemyType, Vector3 position)
+    {
+        //check if enemyType is in CustomEnemyPrefabList
+        if (!CustomEnemyPrefabList.ContainsKey(enemyType))
+        {
+            LogWarning($"No custom enemy prefab found for {enemyType}!");
+            return null;
+        }
+
+        var prefab = CustomEnemyPrefabList[enemyType];
+        var obj = UnityEngine.Object.Instantiate(prefab, position, Quaternion.identity);
+        var unitObject = obj.GetComponent<UnitObject>();
+
+        if (unitObject != null)
+        {
+            CustomSpawnedEnemies.Add(unitObject);
+            return unitObject;
+        }
+        LogWarning("A spawned custom enemy does not have a UnitObject component! " + prefab);
+        return null;
+    }
+
+}