Initial Commit

PlatformMeshCompression.cs

@@ -0,0 +1,48 @@
+#if UNITY_EDITOR
+using UnityEditor;
+using UnityEngine;
+using System.Collections.Generic;
+
+[InitializeOnLoad]
+public class PlatformMeshCompression : AssetPostprocessor
+{
+    // Map GUIDs to compression settings: (PC, Android)
+    static readonly Dictionary<string, (ModelImporterMeshCompression pc, ModelImporterMeshCompression android)> compressionMap
+        = new Dictionary<string, (ModelImporterMeshCompression, ModelImporterMeshCompression)>
+    {
+        { "e82fc872936dfa44a8653aab54da1bba", (ModelImporterMeshCompression.Off, ModelImporterMeshCompression.Medium) },
+    };
+
+    static PlatformMeshCompression()
+    {
+        EditorApplication.delayCall += ReimportMappedAssets;
+    }
+
+    static void ReimportMappedAssets()
+    {
+        foreach (var guid in compressionMap.Keys)
+        {
+            string path = AssetDatabase.GUIDToAssetPath(guid);
+            if (!string.IsNullOrEmpty(path))
+            {
+                AssetDatabase.ImportAsset(path, ImportAssetOptions.ForceUpdate);
+            }
+        }
+    }
+
+    void OnPreprocessModel()
+    {
+        var modelImporter = (ModelImporter)assetImporter;
+        string guid = AssetDatabase.AssetPathToGUID(assetPath);
+
+        if (compressionMap.TryGetValue(guid, out var compressions))
+        {
+#if UNITY_ANDROID
+            modelImporter.meshCompression = compressions.android;
+#else
+            modelImporter.meshCompression = compressions.pc;
+#endif
+        }
+    }
+}
+#endif