From 779fbbe6450fb3fb47e35adea2361d5834a254c8 Mon Sep 17 00:00:00 2001
From: gotmachine <24925209+gotmachine@users.noreply.github.com>
Date: Thu, 4 Apr 2024 23:25:07 +0200
Subject: [PATCH] FastLoader : Improved DDS loading performance by avoiding an
 extra copy of the DDS data

---
 .../KSPCommunityFixes/KSPCommunityFixes.version    |  2 +-
 KSPCommunityFixes/Performance/FastLoader.cs        | 14 +++++++++++++-
 KSPCommunityFixes/Properties/AssemblyInfo.cs       |  4 ++--
 README.md                                          |  3 +++
 4 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/GameData/KSPCommunityFixes/KSPCommunityFixes.version b/GameData/KSPCommunityFixes/KSPCommunityFixes.version
index f956461..f4d51be 100644
--- a/GameData/KSPCommunityFixes/KSPCommunityFixes.version
+++ b/GameData/KSPCommunityFixes/KSPCommunityFixes.version
@@ -2,7 +2,7 @@
   "NAME": "KSPCommunityFixes",
   "URL": "https://raw.githubusercontent.com/KSPModdingLibs/KSPCommunityFixes/master/GameData/KSPCommunityFixes/KSPCommunityFixes.version",
   "DOWNLOAD": "https://github.com/KSPModdingLibs/KSPCommunityFixes/releases",
-  "VERSION": {"MAJOR": 1, "MINOR": 34, "PATCH": 1, "BUILD": 0},
+  "VERSION": {"MAJOR": 1, "MINOR": 35, "PATCH": 0, "BUILD": 0},
   "KSP_VERSION": {"MAJOR": 1, "MINOR": 12, "PATCH": 5},
   "KSP_VERSION_MIN": {"MAJOR": 1, "MINOR": 8, "PATCH": 0},
   "KSP_VERSION_MAX": {"MAJOR": 1, "MINOR": 12, "PATCH": 5}
diff --git a/KSPCommunityFixes/Performance/FastLoader.cs b/KSPCommunityFixes/Performance/FastLoader.cs
index 0523d47..c229336 100644
--- a/KSPCommunityFixes/Performance/FastLoader.cs
+++ b/KSPCommunityFixes/Performance/FastLoader.cs
@@ -14,6 +14,7 @@
 using System.Linq;
 using System.Reflection;
 using System.Reflection.Emit;
+using System.Runtime.InteropServices;
 using System.Threading;
 using TMPro;
 using Unity.Collections;
@@ -1312,7 +1313,18 @@ private TextureInfo LoadDDS()
                         }
                         else
                         {
-                            texture2D.LoadRawTextureData(binaryReader.ReadBytes((int)(binaryReader.BaseStream.Length - binaryReader.BaseStream.Position)));
+                            int position = (int)binaryReader.BaseStream.Position;
+                            GCHandle pinnedHandle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
+                            try
+                            {
+                                IntPtr ptr = Marshal.UnsafeAddrOfPinnedArrayElement(buffer, position);
+                                texture2D.LoadRawTextureData(ptr, dataLength - position);
+                            }
+                            finally
+                            {
+                                pinnedHandle.Free();
+                            }
+
                             texture2D.Apply(updateMipmaps: false, makeNoLongerReadable: true);
                         }
                     }
diff --git a/KSPCommunityFixes/Properties/AssemblyInfo.cs b/KSPCommunityFixes/Properties/AssemblyInfo.cs
index fb18da3..583c9b0 100644
--- a/KSPCommunityFixes/Properties/AssemblyInfo.cs
+++ b/KSPCommunityFixes/Properties/AssemblyInfo.cs
@@ -30,7 +30,7 @@
 //      Revision
 //
 [assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.34.1.0")]
+[assembly: AssemblyFileVersion("1.35.0.0")]
 
-[assembly: KSPAssembly("KSPCommunityFixes", 1, 34, 1)]
+[assembly: KSPAssembly("KSPCommunityFixes", 1, 35, 0)]
 [assembly: KSPAssemblyDependency("MultipleModulePartAPI", 1, 0, 0)]
diff --git a/README.md b/README.md
index 595aa4a..0a77aee 100644
--- a/README.md
+++ b/README.md
@@ -188,6 +188,9 @@ If doing so in the `Debug` configuration and if your KSP install is modified to
 
 ### Changelog
 
+##### 1.35.0
+- **FastLoader** : Improved DDS loading performance by avoiding an extra copy of the DDS data
+
 ##### 1.34.1
 - Disable BetterEditorUndoRedo when TweakScale/L is installed due to introducing a bug with part attachments in the editor.