Create AnimationClipListImporter.cs

Author: unitycoder

Assets/Scripts/Editor/Importers/AnimationClipListImporter.cs

@@ -0,0 +1,65 @@
+// Checks for a .txt file with the same name as an imported .fbx file (in Assets/Models/ folder), containing a list of animation clips to add to the ModelImporter.
+// .txt file should be tab-delimited with the following columns: "title", "start frame", "end frame" (and optional description, not used).
+// example: 
+// Take0	10	40	asdf
+// Take1	50	80	wasdf..
+
+using System;
+using System.IO;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+
+namespace UnityLibrary.Importers
+{
+    public class AnimationClipListImporter : AssetPostprocessor
+    {
+        void OnPreprocessModel()
+        {
+            ModelImporter modelImporter = assetImporter as ModelImporter;
+            if (modelImporter == null) return;
+
+            string assetPath = assetImporter.assetPath;
+            if (!assetPath.StartsWith("Assets/Models") || !assetPath.EndsWith(".fbx", StringComparison.OrdinalIgnoreCase)) return;
+
+            string txtPath = Path.ChangeExtension(assetPath, ".txt");
+            if (!File.Exists(txtPath)) return;
+
+            try
+            {
+                List<ModelImporterClipAnimation> clips = new List<ModelImporterClipAnimation>();
+                string[] lines = File.ReadAllLines(txtPath);
+
+                foreach (string line in lines)
+                {
+                    string[] parts = line.Split('\t');
+                    if (parts.Length < 3) continue; // Ensure we have at least "title, start, end"
+
+                    string title = parts[0].Trim();
+                    if (!int.TryParse(parts[1], out int startFrame) || !int.TryParse(parts[2], out int endFrame))
+                        continue;
+
+                    ModelImporterClipAnimation clip = new ModelImporterClipAnimation
+                    {
+                        name = title,
+                        firstFrame = startFrame,
+                        lastFrame = endFrame,
+                        loopTime = false
+                    };
+
+                    clips.Add(clip);
+                }
+
+                if (clips.Count > 0)
+                {
+                    modelImporter.clipAnimations = clips.ToArray();
+                    Debug.Log($"Added {clips.Count} animation clips to {assetPath}");
+                }
+            }
+            catch (Exception ex)
+            {
+                Debug.LogError($"Failed to process animation data for {assetPath}: {ex.Message}");
+            }
+        }
+    }
+}