fix: remove shitty feature interface stuff, do it in UiBuilder

Dalamud/Interface/UiBuilder.cs

@@ -58,6 +58,11 @@ namespace Dalamud.Interface
         public TextureWrap LoadImage(byte[] imageData) =>
             this.interfaceManager.LoadImage(imageData);
 
+        /// <summary>
+        /// Event that is fired when the plugin should open its configuration interface.
+        /// </summary>
+        public EventHandler OnOpenConfigUi;
+
         private void OnDraw() {
             ImGui.PushID(this.namespaceName);
             OnBuildUi?.Invoke();

Dalamud/Plugin/Features/IHasConfigUi.cs

@@ -1,16 +0,0 @@
-using System;
-using Dalamud.Interface;
-
-namespace Dalamud.Plugin.Features
-{   
-    /// <summary>
-    /// This interface represents a Dalamud plugin that has a configuration UI which can be triggered.
-    /// </summary>
-    public interface IHasConfigUi : IHasUi  
-    {
-        /// <summary>
-        /// An event handler that is fired when the plugin should show its configuration interface.
-        /// </summary>
-        EventHandler OpenConfigUi { get; }
-    }
-}

Dalamud/Plugin/Features/IHasUi.cs

@@ -1,21 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Dalamud.Interface;
-
-namespace Dalamud.Plugin.Features
-{
-    /// <summary>
-    /// This interface represents a Dalamud plugin that has user interface which can be drawn.
-    /// </summary>
-    public interface IHasUi : IDalamudPlugin
-    {
-        /// <summary>
-        /// A function that gets called when Dalamud is ready to draw your UI.
-        /// </summary>
-        /// <param name="uiBuilder">An <see cref="UiBuilder"/> object you can use to e.g. load images.</param>
-        void Draw(UiBuilder uiBuilder);
-    }
-}

Dalamud/Plugin/PluginInstallerWindow.cs

@@ -10,7 +10,6 @@ using System.Net.Http;
 using System.Numerics;
 using System.Text;
 using System.Threading.Tasks;
-using Dalamud.Plugin.Features;
 using ImGuiNET;
 using Newtonsoft.Json;
 using Serilog;
@@ -224,10 +223,10 @@ namespace Dalamud.Plugin
                                     this.errorModalOnNextFrame = true;
                                 }
 
-                            if (installedPlugin.Plugin is IHasConfigUi v2Plugin && v2Plugin.OpenConfigUi != null) {
+                            if (installedPlugin.PluginInterface.UiBuilder.OnOpenConfigUi != null) {
                                 ImGui.SameLine();
 
-                                if (ImGui.Button("Open Configuration")) v2Plugin.OpenConfigUi?.Invoke(null, null);
+                                if (ImGui.Button("Open Configuration")) installedPlugin.PluginInterface.UiBuilder.OnOpenConfigUi?.Invoke(null, null);
                             }
 
                             ImGui.SameLine();

Dalamud/Plugin/PluginManager.cs

@@ -3,12 +3,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Reflection;
-using System.Text;
-using System.Threading.Tasks;
 using Dalamud.Configuration;
-using Dalamud.Interface;
-using Dalamud.Plugin.Features;
-using ImGuiNET;
 using Newtonsoft.Json;
 using Serilog;
 
@@ -31,18 +26,6 @@ namespace Dalamud.Plugin
             this.devPluginDirectory = devPluginDirectory;
 
             this.pluginConfigs = new PluginConfigurations(Path.Combine(Path.GetDirectoryName(dalamud.StartInfo.ConfigurationPath), "pluginConfigs"));
-
-            this.dalamud.InterfaceManager.OnDraw += InterfaceManagerOnOnDraw;
-        }
-
-        private void InterfaceManagerOnOnDraw() {
-            foreach (var plugin in this.Plugins) {
-                if (plugin.Plugin is IHasUi uiPlugin) {
-                    ImGui.PushID(plugin.Definition.InternalName);
-                    uiPlugin.Draw(plugin.PluginInterface.UiBuilder);
-                    ImGui.PopID();
-                }
-            }
         }
 
         public void UnloadPlugins() {