Add fix Assembly vendor hologram patch.

NLUL.Core/Client/ClientRunner.cs

@@ -147,6 +147,7 @@ public void PatchClient()
         {
             this.clientPatcher.Install(ClientPatchName.ModLoader);
             this.clientPatcher.Install(ClientPatchName.AutoTcpUdp);
+            this.clientPatcher.Install(ClientPatchName.FixAssemblyVendorHologram);
             this.clientPatcher.Install(ClientPatchName.RemoveDLUAd);
         }
 

NLUL.Core/Client/Patch/ClientPatcher.cs

@@ -18,6 +18,7 @@ public enum ClientPatchName
         ModLoader,
         TcpUdp,
         AutoTcpUdp,
+        FixAssemblyVendorHologram,
         RemoveDLUAd,
     }
 
@@ -42,6 +43,7 @@ public ClientPatcher(SystemInfo systemInfo)
                 {ClientPatchName.ModLoader,new ModLoader(systemInfo,this.manifest)},
                 {ClientPatchName.TcpUdp,new TcpUdp(systemInfo,this.manifest)},
                 {ClientPatchName.AutoTcpUdp,new AutoTcpUdp(systemInfo,this.manifest)},
+                {ClientPatchName.FixAssemblyVendorHologram,new FixAssemblyVendorHologram(systemInfo)},
                 {ClientPatchName.RemoveDLUAd,new RemoveDLUAd(systemInfo)},
             };
         }

NLUL.Core/Client/Patch/FixAssemblyVendorHologram.cs

@@ -0,0 +1,119 @@
+/*
+ * TheNexusAvenger
+ *
+ * Patch for fixing the Assembly vendor hologram.
+ * For some reason, the path is set incorrectly, and
+ * it only is a problem in unpacked clients.
+ */
+
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace NLUL.Core.Client.Patch
+{
+    public class FixAssemblyVendorHologram : IPatch
+    {
+        private static readonly byte[] InvalidAnimPath = Encoding.ASCII.GetBytes("\x01" + "9\x00\x00\x00Z:\\lwo\\4_game\\client\\res\\mesh\\3DUI\\Assembly_Logo_Sign.nif"); // Has to be split since \x019 becomes 0b25 instead of 0b01 + '9'.
+        private static readonly byte[] ValidAnimPath = Encoding.ASCII.GetBytes("\x01(\x00\x00\x00.\\..\\..\\mesh\\3DUI\\Assembly_Logo_Sign.nif");
+
+        private string assemblySignFileLocation;
+
+        /*
+         * Creates the patch.
+         */
+        public FixAssemblyVendorHologram(SystemInfo systemInfo)
+        {
+            this.assemblySignFileLocation = Path.Combine(systemInfo.ClientLocation, "res", "animations", "3dui", "assembly_sign_anim_sm.kfm");
+        }
+
+        /*
+         * Returns if an update is available.
+         */
+        public bool IsUpdateAvailable()
+        {
+            return false;
+        }
+
+        /*
+         * Returns if the patch is installed.
+         */
+        public bool IsInstalled()
+        {
+            return !File.Exists(this.assemblySignFileLocation) || !((IList) File.ReadAllBytes(this.assemblySignFileLocation)).Contains((byte) ':');
+        }
+
+        /*
+         * Installs the patch.
+         */
+        public void Install()
+        {
+            ReplaceByteContents(this.assemblySignFileLocation, InvalidAnimPath, ValidAnimPath);
+        }
+
+        /*
+         * Uninstalls the patch.
+         */
+        public void Uninstall()
+        {
+            ReplaceByteContents(this.assemblySignFileLocation, ValidAnimPath, InvalidAnimPath);
+        }
+
+        /*
+         * Replaces the byte contents of the given file.
+         * Only replaces 1 occurence.
+         */
+        private static void ReplaceByteContents(string filePath, byte[] find, byte[] replace)
+        {
+            // Return if the file doesn't exist.
+            if (!File.Exists(filePath))
+            {
+                return;
+            }
+
+            // Find the start of the matching bytes. 
+            var animFileData = File.ReadAllBytes(filePath);
+            var findIndex = -1;
+            for (var i = 0; i < animFileData.Length; i++)
+            {
+                if (animFileData[i] != find[0]) continue;
+                for (var j = 0; i < find.Length; j++)
+                {
+                    if (animFileData[i + j] != find[j]) break;
+                    if (j != find.Length - 1) continue;
+                    findIndex = i;
+                    break;
+                }
+                if (findIndex != -1)
+                {
+                    break;
+                }
+            }
+
+            // Return if no index was found.
+            if (findIndex == -1)
+            {
+                return;
+            }
+
+            // Create the new bytes to write, replacing the new bytes.
+            var newBytes = new List<byte>();
+            for (var i = 0; i < findIndex; i++)
+            {
+                newBytes.Add(animFileData[i]);
+            }
+            foreach (var t in replace)
+            {
+                newBytes.Add(t);
+            }
+            for (var i = findIndex + find.Length; i < animFileData.Length; i++)
+            {
+                newBytes.Add(animFileData[i]);
+            }
+
+            // Write the bytes.
+            File.WriteAllBytes(filePath, newBytes.ToArray());
+        }
+    }
+}

NLUL.GUI/Component/Patches/PatchesView.xaml.cs

@@ -35,6 +35,12 @@ public class PatchData
                 PatchDescription = "Enables connecting to community-run LEGO Universe servers that may or may not use TCP/UDP. This is automatically managed for the requested server. Requires the Mod Loader to be installed. Do not install with TCP/UDP Shim.",
                 PatchEnum = ClientPatchName.AutoTcpUdp,
             },
+            new PatchData()
+            {
+                PatchName = "Fix Assembly Vendor Hologram",
+                PatchDescription = "Fixes the Assembly vendor at Nimbus Station showing a Missing NIF error.",
+                PatchEnum = ClientPatchName.FixAssemblyVendorHologram,
+            },
             new PatchData() {
                 PatchName = "Remove DLU Ad",
                 PatchDescription = "Removes the advertisement for DLU from the zone loading screen.",