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Assets/GLTFUtility-master/Scripts/Spec/GLTFTexture.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+using UnityEngine;
+using UnityEngine.Scripting;
+
+namespace Siccity.GLTFUtility {
+	// https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#texture
+	[Preserve] public class GLTFTexture {
+		public int? sampler;
+		public int? source;
+		public string name;
+
+		public class ImportResult {
+			private GLTFImage.ImportResult image;
+			private Texture2D cache;
+
+			/// <summary> Constructor </summary>
+			public ImportResult(GLTFImage.ImportResult image) {
+				this.image = image;
+			}
+
+			/// <summary> Create or return cached texture </summary>
+			public IEnumerator GetTextureCached(bool linear, Action<Texture2D> onFinish, Action<float> onProgress = null) {
+				if (cache == null) {
+					IEnumerator en = image.CreateTextureAsync(linear, x => cache = x, onProgress);
+					while (en.MoveNext()) { yield return null; };
+				}
+				onFinish(cache);
+			}
+		}
+
+		public ImportResult Import(GLTFImage.ImportResult[] images) {
+			if (source.HasValue) {
+				ImportResult result = new ImportResult(images[source.Value]);
+				return result;
+			}
+			return null;
+		}
+
+		public class ImportTask : Importer.ImportTask<ImportResult[]> {
+			public ImportTask(List<GLTFTexture> textures, GLTFImage.ImportTask imageTask) : base(imageTask) {
+				task = new Task(() => {
+					if (textures == null) return;
+
+					Result = new ImportResult[textures.Count];
+					for (int i = 0; i < Result.Length; i++) {
+						Result[i] = textures[i].Import(imageTask.Result);
+					}
+				});
+			}
+		}
+	}
+}