Initial commit

Assets/MeatKit/Editor/BuildPipeline/BuildItem.cs

@@ -0,0 +1,51 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using BepInEx;
+using Mono.Cecil;
+using Mono.Cecil.Cil;
+using UnityEditor;
+using UnityEngine;
+
+namespace MeatKit
+{
+    public abstract class BuildItem : ScriptableObject, IValidatable
+    {
+        public abstract IEnumerable<string> RequiredDependencies { get; }
+
+        public virtual Dictionary<string, BuildMessage> Validate()
+        {
+            return new Dictionary<string, BuildMessage>();
+        }
+
+        public virtual List<AssetBundleBuild> ConfigureBuild()
+        {
+            return null;
+        }
+
+        public virtual void GenerateLoadAssets(TypeDefinition plugin, ILProcessor il)
+        {
+        }
+
+        protected void EnsurePluginDependsOn(TypeDefinition plugin, string pluginGuid, string pluginVersion)
+        {
+            // Check if the plugin already has this dependency
+            var alreadyDependsOn = plugin.CustomAttributes
+                .Where(a => a.AttributeType.Name == "BepInDependency")
+                .Any(attribute => (string) attribute.ConstructorArguments[0].Value == pluginGuid);
+
+            // If it doesn't we need to add it.
+            if (!alreadyDependsOn)
+            {
+                MethodBase constructor =
+                    typeof(BepInDependency).GetConstructor(new[] {typeof(string), typeof(string)});
+                var attribute = new CustomAttribute(plugin.Module.ImportReference(constructor));
+                plugin.CustomAttributes.Add(attribute);
+
+                var str = plugin.Module.TypeSystem.String;
+                attribute.ConstructorArguments.Add(new CustomAttributeArgument(str, pluginGuid));
+                attribute.ConstructorArguments.Add(new CustomAttributeArgument(str, pluginVersion));
+            }
+        }
+    }
+}