Initial version. Uses external library for image resizing. Fixed memory consumption, but slow.

Assets/Scripts/ImageLoader.cs

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+using Cedar.Core.Coroutines;
+using HtmlAgilityPack;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine.Networking;
+
+public enum LoaderStatus
+{
+	Initializing,
+	Ready,
+	Error
+}
+
+public class ImageLoader
+{
+	private bool ready = false;
+	private string errorMessage;
+	private string url;
+		
+	public LoaderStatus Status
+	{
+		get
+		{
+			if (!ready) return LoaderStatus.Initializing;
+			if (string.IsNullOrEmpty(errorMessage)) return LoaderStatus.Ready;
+			return LoaderStatus.Error;
+		}
+	}
+
+	public List<string> images;
+
+	public ImageLoader(string url)
+	{
+		this.url = url;
+		CoroutineRunner.Instance.StartCoroutine(OnUrlUpdated());
+	}
+
+	private IEnumerator OnUrlUpdated()
+	{
+		errorMessage = null;
+		var request = UnityWebRequest.Get(url);
+		yield return request.SendWebRequest();
+		if (request.isNetworkError || request.isHttpError)
+		{
+			errorMessage = request.error;
+			ready = true;
+			yield break;
+		}
+		var responseText = request.downloadHandler.text;
+		var doc = new HtmlDocument();
+		doc.LoadHtml(responseText);
+		var nodes = doc.DocumentNode.SelectNodes("//a[preceding-sibling::img[@alt=\"[IMG]\"]]");
+		images = new List<string>();
+		foreach (var node in nodes)
+		{
+			var target = node.GetAttributeValue("href", "");
+			images.Add(url + "/" + target);
+		}
+		ready = true;
+		request.Dispose();
+	}
+}