Unity Project

reference
https://cardgames.io/yahtzee/

Library/PackageCache/com.unity.textmeshpro@2.0.1/Scripts/Runtime/TMP_SpriteAssetImportFormats.cs

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+using UnityEngine;
+using System.Collections;
+using System.Collections.Generic;
+
+
+namespace TMPro.SpriteAssetUtilities
+{
+    public enum SpriteAssetImportFormats { None = 0, TexturePacker = 0x1 };
+
+    public class TexturePacker
+    {
+        [System.Serializable]
+        public struct SpriteFrame
+        {
+            public float x;
+            public float y;
+            public float w;
+            public float h;
+
+            public override string ToString()
+            {
+                string s = "x: " + x.ToString("f2") + " y: " + y.ToString("f2") + " h: " + h.ToString("f2") + " w: " + w.ToString("f2");
+                return s;
+            }
+        }
+
+        [System.Serializable]
+        public struct SpriteSize
+        {
+            public float w;
+            public float h;
+
+            public override string ToString()
+            {
+                string s = "w: " + w.ToString("f2") + " h: " + h.ToString("f2");
+                return s;
+            }
+        }
+
+        [System.Serializable]
+        public struct SpriteData
+        {
+            public string filename;
+            public SpriteFrame frame;
+            public bool rotated;
+            public bool trimmed;
+            public SpriteFrame spriteSourceSize;
+            public SpriteSize sourceSize;
+            public Vector2 pivot;
+
+        }
+
+        [System.Serializable]
+        public class SpriteDataObject
+        {
+            public List<SpriteData> frames;
+        }
+
+
+    }
+}