From e512d32cd1878fc8a6f4c61d35151e40d0b95111 Mon Sep 17 00:00:00 2001
From: Anna <git@anna.lgbt>
Date: Wed, 17 Mar 2021 22:12:51 -0400
Subject: [PATCH] feat: disable HudSwap on load

---
 HUD Manager/HudSwapMurderer.cs | 94 ++++++++++++++++++++++++++++++++++
 HUD Manager/Plugin.cs          |  3 ++
 2 files changed, 97 insertions(+)
 create mode 100755 HUD Manager/HudSwapMurderer.cs

diff --git a/HUD Manager/HudSwapMurderer.cs b/HUD Manager/HudSwapMurderer.cs
new file mode 100755
index 0000000..4cdcddf
--- /dev/null
+++ b/HUD Manager/HudSwapMurderer.cs	
@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using Dalamud.Plugin;
+
+namespace HUD_Manager {
+    public class HudSwapMurderer {
+        private Plugin Plugin { get; }
+
+        public HudSwapMurderer(Plugin plugin) {
+            this.Plugin = plugin;
+
+            this.Murder();
+            Oppress();
+        }
+
+        /// <summary>
+        /// Kill any existing HudSwap instance.
+        /// </summary>
+        private void Murder() {
+            // get dalamud
+            var dalamudField = this.Plugin.Interface.GetType().GetField("dalamud", BindingFlags.Instance | BindingFlags.NonPublic);
+            var dalamud = (Dalamud.Dalamud?) dalamudField?.GetValue(this.Plugin.Interface);
+            if (dalamud == null) {
+                PluginLog.LogWarning("Could not kill HudSwap since Dalamud field was null");
+                return;
+            }
+
+            // get the plugin manager
+            var managerProp = dalamud.GetType().GetProperty("PluginManager", BindingFlags.Instance | BindingFlags.NonPublic);
+            var manager = managerProp?.GetValue(dalamud);
+            if (manager == null) {
+                PluginLog.LogWarning("Could not kill HudSwap since PluginManager property was null");
+                return;
+            }
+
+            // get the method to disable plugins
+            var disablePluginMethod = manager.GetType().GetMethod("DisablePlugin", BindingFlags.Instance | BindingFlags.Public);
+            if (disablePluginMethod == null) {
+                PluginLog.LogWarning("Could not kill HudSwap since DisablePlugin method was null");
+                return;
+            }
+
+            // get the list of plugins
+            var pluginsField = manager.GetType().GetField("Plugins", BindingFlags.Instance | BindingFlags.Public);
+            var plugins = (List<(IDalamudPlugin plugin, PluginDefinition def, DalamudPluginInterface PluginInterface, bool IsRaw)>?) pluginsField?.GetValue(manager);
+            if (plugins == null) {
+                PluginLog.LogWarning("Could not kill HudSwap since Plugins field was null");
+                return;
+            }
+
+            var hudSwapDefs = plugins
+                .Select(info => info.def)
+                .Where(def => def.InternalName == "HudSwap")
+                .ToArray();
+
+            foreach (var def in hudSwapDefs) {
+                disablePluginMethod.Invoke(manager, new object[] {def});
+            }
+        }
+
+        /// <summary>
+        /// Prevent HudSwap from ever rising again.
+        /// </summary>
+        private static void Oppress() {
+            var hudSwapInstallPath = Path.Combine(new[] {
+                Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+                "XIVLauncher",
+                "installedPlugins",
+                "HudSwap",
+            });
+
+            if (!Directory.Exists(hudSwapInstallPath)) {
+                return;
+            }
+
+            foreach (var version in Directory.EnumerateDirectories(hudSwapInstallPath)) {
+                var disabledPath = Path.Combine(new[] {
+                    hudSwapInstallPath,
+                    version,
+                    ".disabled",
+                });
+
+                try {
+                    File.Create(disabledPath).Dispose();
+                } catch (IOException ex) {
+                    PluginLog.LogWarning($"Failed to oppress HudSwap {version}:\n{ex}");
+                }
+            }
+        }
+    }
+}
diff --git a/HUD Manager/Plugin.cs b/HUD Manager/Plugin.cs
index 51ffd72..d774920 100644
--- a/HUD Manager/Plugin.cs	
+++ b/HUD Manager/Plugin.cs	
@@ -25,6 +25,9 @@ namespace HUD_Manager {
         public void Initialize(DalamudPluginInterface pluginInterface) {
             this.Interface = pluginInterface;
 
+            // it's time to do a murder
+            _ = new HudSwapMurderer(this);
+
             this.Config = Migrator.LoadConfig(this);
             this.Config.Initialize(this.Interface);
             this.Config.Save();