Loading via WWW

Author: alamboley

Assets/SpriteSheetRuntimeGenerator/Demos/Scripts/LoadTextures.cs

@@ -1,4 +1,5 @@
 using DaVikingCode.RectanglePacking;
+using System.Collections;
 using System.Collections.Generic;
 using System.IO;
 using UnityEngine;
@@ -13,7 +14,7 @@ public class LoadTextures : MonoBehaviour {
 
 	private RectanglePacker mPacker;
 
-	Texture2D[] textures;
+	List<Texture2D> textures = new List<Texture2D>();
 
 	List<Rect> mRectangles = new List<Rect>();
 
@@ -27,10 +28,23 @@ void Start () {
 			mFillColor[i] = Color.clear;
 
 		img.sprite = Sprite.Create(mTexture, new Rect(0, 0, mTexture.width, mTexture.height), Vector2.zero);
-		
-		//textures = Resources.LoadAll<Texture2D> ("Textures/");
 
-		CopyPasteFromStreamingAssetsToPersistentDataPath(Application.dataPath + "/SpriteSheetRuntimeGenerator/Demos/StreamingAssets", Application.persistentDataPath);
+		CopyPasteFoldersAndPNG(Application.dataPath + "/SpriteSheetRuntimeGenerator/Demos/StreamingAssets", Application.persistentDataPath);
+		StartCoroutine(LoadAllTextures());
+	}
+
+	IEnumerator LoadAllTextures() {
+
+		string[] files = Directory.GetFiles(Application.persistentDataPath + "/Textures", "*.png");
+
+		foreach (string file in files) {
+
+			WWW loader = new WWW("file:///" + file);
+
+			yield return loader;
+
+			textures.Add(loader.texture);
+		}
 
 		createRectangles();
 
@@ -39,15 +53,8 @@ void Start () {
 
 	private void createRectangles() {
 
-		int width;
-		int height;
-
-		for (int i = 0; i < textures.Length; i++) {
-			
-			width = textures[i].width;
-			height = textures[i].height;
-			mRectangles.Add(new Rect(0, 0, width, height));
-		}
+		for (int i = 0; i < textures.Count; i++)
+			mRectangles.Add(new Rect(0, 0, textures[i].width, textures[i].height));
 	}
 
 	private void updateRectangles() {
@@ -59,7 +66,7 @@ private void updateRectangles() {
 		else
 			mPacker.reset(mTexture.width, mTexture.height, padding);
 
-		for (int i = 0; i < textures.Length; i++)
+		for (int i = 0; i < textures.Count; i++)
 			mPacker.insertRectangle((int) mRectangles[i].width, (int) mRectangles[i].height, i);
 
 		mPacker.packRectangles();
@@ -75,10 +82,10 @@ private void updateRectangles() {
 				rect = mPacker.getRectangle(j, rect);
 
 				int size = rect.width * rect.height;
+
 				size -= 4;
 
 				int index = mPacker.getRectangleId(j);
-				Debug.Log (index);
 
 				mTexture.SetPixels32(rect.x + 1, rect.y + 1, rect.width - 2, rect.height - 2, textures[index].GetPixels32());
 
@@ -88,7 +95,7 @@ private void updateRectangles() {
 		}
 	}
 
-	void CopyPasteFromStreamingAssetsToPersistentDataPath(string SourcePath, string DestinationPath) {
+	void CopyPasteFoldersAndPNG(string SourcePath, string DestinationPath) {
 
 		foreach (string dirPath in Directory.GetDirectories(SourcePath, "*", SearchOption.AllDirectories))
 			Directory.CreateDirectory(dirPath.Replace(SourcePath, DestinationPath));

ProjectSettings/EditorBuildSettings.asset

@@ -6,4 +6,4 @@ EditorBuildSettings:
   serializedVersion: 2
   m_Scenes:
   - enabled: 1
-    path: Assets/Main.unity
+    path: Assets/SpriteSheetRuntimeGenerator/Demos/Scenes/RectanglePacking.unity