Add gltf2skn CLI option (#25)

Crauzer · Feb 2, 2023 · 9bdc93e · 9bdc93e
1 parent fa666b4
commit 9bdc93e
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Showing 4 changed files with 48 additions and 3 deletions.
diff --git a/lol2gltf.CLI/Options.cs b/lol2gltf.CLI/Options.cs
@@ -35,6 +35,24 @@ public class SkinnedMeshToGltfOptions
         public IEnumerable<string> TexturePaths { get; set; }
     }
 
+    [Verb("gltf2skn", HelpText = "Converts a glTF asset into a Skinned Mesh (.skn, .skl)")]
+    public class GltfToSkinnedMeshOptions
+    {
+        [Option('g', "gltf", Required = true, HelpText = "glTF Asset (.glb, .gltf) path")]
+        public string GltfPath { get; set; }
+
+        [Option('m', "skn", Required = true, HelpText = "Simple Skin (.skn) path")]
+        public string SimpleSkinPath { get; set; }
+
+        [Option(
+            's',
+            "skl",
+            Required = false,
+            HelpText = "Skeleton (.skl) path (if not specified, will be saved under the same name as the Simple Skin)"
+        )]
+        public string SkeletonPath { get; set; }
+    }
+
     [Verb("mapgeo2gltf", HelpText = "Converts Map Geometry into a glTF asset")]
     public class MapGeometryToGltfOptions
     {

diff --git a/lol2gltf.CLI/Program.cs b/lol2gltf.CLI/Program.cs
@@ -8,6 +8,7 @@
 using LeagueToolkit.IO.SimpleSkinFile;
 using LeagueToolkit.Meta;
 using LeagueToolkit.Toolkit;
+using SharpGLTF.Schema2;
 using SixLabors.ImageSharp;
 using System;
 using System.Collections.Generic;
@@ -24,10 +25,11 @@ class Program
         static void Main(string[] args)
         {
             CommandLine.Parser.Default
-                .ParseArguments<SkinnedMeshToGltfOptions, MapGeometryToGltfOptions>(args)
+                .ParseArguments<SkinnedMeshToGltfOptions, MapGeometryToGltfOptions, GltfToSkinnedMeshOptions>(args)
                 .MapResult(
                     (SkinnedMeshToGltfOptions opts) => ConvertSkinnedMeshToGltf(opts),
                     (MapGeometryToGltfOptions opts) => ConvertMapGeometryToGltf(opts),
+                    (GltfToSkinnedMeshOptions opts) => ConvertGltfToSkinnedMesh(opts),
                     HandleErrors
                 );
         }
@@ -74,6 +76,27 @@ private static int ConvertSkinnedMeshToGltf(SkinnedMeshToGltfOptions options)
             return 1;
         }
 
+        private static int ConvertGltfToSkinnedMesh(GltfToSkinnedMeshOptions options)
+        {
+            string skeletonPath = string.IsNullOrEmpty(options.SkeletonPath) switch
+            {
+                true => Path.ChangeExtension(options.SimpleSkinPath, "skl"),
+                false => options.SkeletonPath
+            };
+
+            ModelRoot gltf = ModelRoot.Load(options.GltfPath);
+
+            var (simpleSkin, rig) = gltf.ToRiggedMesh();
+
+            using FileStream simpleSkinStream = File.Create(options.SimpleSkinPath);
+            simpleSkin.WriteSimpleSkin(simpleSkinStream);
+
+            using FileStream rigStream = File.Create(skeletonPath);
+            rig.Write(rigStream);
+
+            return 1;
+        }
+
         private static int ConvertMapGeometryToGltf(MapGeometryToGltfOptions options)
         {
             MapGeometryGltfConversionContext conversionContext =

diff --git a/lol2gltf.CLI/Properties/launchSettings.json b/lol2gltf.CLI/Properties/launchSettings.json
@@ -7,6 +7,10 @@
     "mapgeo2gltf": {
       "commandName": "Project",
       "commandLineArgs": "mapgeo2gltf -m X:/lol/game/data/maps/mapgeometry/map11/base_srx.mapgeo -b X:/lol/game/data/maps/mapgeometry/map11/base_srx.materials.bin -g base_srx.glb"
+    },
+    "gltf2skn": {
+      "commandName": "Project",
+      "commandLineArgs": "gltf2skn -g akali.glb -m akali.skn -s akali.skl"
     }
   }
 }
diff --git a/lol2gltf.CLI/lol2gltf.CLI.csproj b/lol2gltf.CLI/lol2gltf.CLI.csproj
@@ -17,8 +17,8 @@
 
   <ItemGroup>
     <PackageReference Include="CommandLineParser" Version="2.8.0" />
-    <PackageReference Include="LeagueToolkit" Version="4.0.0-beta.5" />
-    <PackageReference Include="LeagueToolkit.IO.Extensions" Version="4.0.0-beta.5" />
+    <PackageReference Include="LeagueToolkit" Version="4.0.0-beta.6" />
+    <PackageReference Include="LeagueToolkit.IO.Extensions" Version="4.0.0-beta.6" />
     <PackageReference Include="SixLabors.ImageSharp" Version="2.1.3" />
   </ItemGroup>