1.0, gitignore

.gitignore

@@ -28,6 +28,9 @@ ExportedObj/
 *.pidb.meta
 *.pdb.meta
 
+# Unity3D meta files (not needed for the git)
+*.meta
+
 # Unity3D Generated File On Crash Reports
 sysinfo.txt
 

MA_ToolBox/MA_TextureAtlasserPro/Atlasses/Atlasses.txt

@@ -0,0 +1 @@
+The created atlasses wil go here.

MA_ToolBox/MA_TextureAtlasserPro/Exports/Exports.txt

@@ -0,0 +1 @@
+The exported assets will be saved in this folder.

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Data/MA_TextureAtlasserProAtlas.cs

@@ -0,0 +1,103 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using MA_Editor;
+using MA_Editor.Grid;
+
+namespace MA_TextureAtlasserPro
+{
+	[System.Serializable]
+	public class MA_TextureAtlasserProAtlas : ScriptableObject
+	{
+		//Editor
+		public List<MA_TextureAtlasserProQuad> textureQuads;
+		public MA_TextureAtlasserProQuad selectedTextureQuad;
+		private Rect editorWorkRect;
+		public bool showTextures = false;
+
+
+		//Data
+		public Vector2 textureAtlasSize;
+		public List<MA_TextureGroupRegistration> textureGroupRegistration;
+
+		public void CreateAtlas(string name, Vector2 size)
+		{
+			this.name = name;
+			textureAtlasSize = size;
+		}
+
+		public void UpdateTextureQuads(Event e, Rect editorViewRect, Vector2 zoomCoordsOrigin, bool useEvents)
+		{
+			textureAtlasSize.x = Mathf.Clamp(textureAtlasSize.x, 128, 8192);
+			textureAtlasSize.y = Mathf.Clamp(textureAtlasSize.y, 128, 8192);
+
+			editorWorkRect = new Rect(Vector2.zero - zoomCoordsOrigin, textureAtlasSize);
+
+			GUI.backgroundColor = new Color(0, 0, 0, 0.1f);
+			GUI.Box(editorWorkRect, this.name);
+			GUI.backgroundColor = Color.white;
+
+			MA_Editor.Grid.Grid.DrawZoomableGrid(editorWorkRect, 64, new Color(0, 0, 0, 0.1f), zoomCoordsOrigin);
+
+			if(textureQuads != null)
+			{
+				foreach (MA_TextureAtlasserProQuad ts in textureQuads)
+				{
+					ts.UpdateTextureQuad(e, editorViewRect, editorWorkRect, zoomCoordsOrigin, useEvents, showTextures);
+				}
+			}
+
+			if(useEvents)
+				ProcessEvents(e, zoomCoordsOrigin, useEvents);
+
+			EditorUtility.SetDirty(this);
+		}
+
+		private void ProcessEvents(Event e, Vector2 zoomCoordsOrigin, bool useEvents)
+		{
+			if(e.button == 0)
+			{
+				if(e.type == EventType.MouseDown)
+				{
+					DeselectQuad();
+
+					if(textureQuads != null)
+					{
+						foreach(MA_TextureAtlasserProQuad quad in textureQuads)
+						{
+							if(new Rect((int)quad.guiRect.x - zoomCoordsOrigin.x, (int)quad.guiRect.y - zoomCoordsOrigin.y, quad.guiRect.width, quad.guiRect.height).Contains(e.mousePosition))
+							{
+								SelectQuad(quad);
+								e.Use();
+							}
+						}
+					}
+				}
+			}	
+		}
+
+		private void SelectQuad(MA_TextureAtlasserProQuad quad)
+		{
+			if(selectedTextureQuad)
+			{
+				DeselectQuad();
+			}
+
+			quad.isSelected = true;
+			selectedTextureQuad = quad;
+		}
+
+		private void DeselectQuad()
+		{
+			if(textureQuads != null)
+			{
+				foreach(MA_TextureAtlasserProQuad quad in textureQuads)
+				{
+					quad.isSelected = false;
+				}
+				selectedTextureQuad = null;
+			}
+		}
+	}
+}

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Data/MA_TextureAtlasserProQuad.cs

@@ -0,0 +1,166 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using MA_Editor;
+
+namespace MA_TextureAtlasserPro
+{
+	[System.Serializable]
+	public class MA_TextureAtlasserProQuad : ScriptableObject
+	{
+		//Editor
+		public bool isSelected = false;				//Is this thing selected
+		public Rect rect;							//The internal rect
+		public Rect guiRect;						//The visual clamped and snapped rect
+		public bool debugMode = false;				//Are we debugging, for showing some other things (like handles)
+
+		private bool isDragging = false;			//Are we editing the pos or size
+		private bool isDraggingRectHeigt = false;
+		public Rect dragRectHeight;
+		private bool isDraggingRectWidth = false;
+		public Rect dragRectWidth;
+		private bool isDraggingRectPos = false;
+		public Rect dragRectPos;
+
+		//Data
+		public Texture texture;						//Replace this with texture groups
+		public List<MA_TextureGroup> textureGroups;
+		public List<Mesh> meshes;
+
+		public void UpdateTextureQuad(Event e, Rect editorViewRect, Rect editorWorkRect, Vector2 zoomCoordsOrigin, bool useEvents, bool showTexture)
+		{
+			if(isSelected)
+			{
+				GUI.backgroundColor = new Color(0.05f, 0.05f, 0.05f, 0.75f);
+			}
+			else
+			{
+				GUI.backgroundColor = new Color(1, 1, 1, 0.5f);
+			}
+
+			//Clamp and snap the guiRect
+			guiRect = new Rect(Mathf.RoundToInt(rect.x / 32) * 32, Mathf.RoundToInt(rect.y / 32) * 32, Mathf.RoundToInt(rect.width / 32) * 32, Mathf.RoundToInt(rect.height / 32) * 32);
+
+			//Draw the sqaud background
+			if(showTexture && textureGroups != null && textureGroups.Count > 0 && textureGroups[0].texture != null)
+				GUI.DrawTexture(new Rect(guiRect.x - zoomCoordsOrigin.x, guiRect.y - zoomCoordsOrigin.y, guiRect.width, guiRect.height), textureGroups[0].texture, ScaleMode.StretchToFill);
+			else
+				GUI.Box(new Rect(guiRect.x - zoomCoordsOrigin.x, guiRect.y - zoomCoordsOrigin.y, guiRect.width, guiRect.height), "");
+
+			GUILayout.BeginArea(new Rect(guiRect.x - zoomCoordsOrigin.x, guiRect.y - zoomCoordsOrigin.y, guiRect.width, guiRect.height));
+
+			GUILayout.BeginHorizontal();
+			GUILayout.FlexibleSpace();
+			GUILayout.Label(this.name);		
+			GUILayout.FlexibleSpace();
+			GUILayout.EndHorizontal();
+
+			if(isSelected)
+			{
+				dragRectPos = new Rect(guiRect.width / 2 + guiRect.x - zoomCoordsOrigin.x - 16, guiRect.height / 2 + guiRect.y - zoomCoordsOrigin.y - 16, 32, 32);
+				dragRectWidth = new Rect(guiRect.width + guiRect.x - zoomCoordsOrigin.x - 16, guiRect.height / 2 + guiRect.y - zoomCoordsOrigin.y - 32, 16, 64);
+				dragRectHeight = new Rect(guiRect.width / 2 + guiRect.x - zoomCoordsOrigin.x - 32, guiRect.height + guiRect.y - zoomCoordsOrigin.y - 16, 64, 16);
+
+				if(debugMode)
+				{
+					GUI.Box(new Rect(dragRectPos.x - guiRect.x + zoomCoordsOrigin.x, dragRectPos.y - guiRect.y + zoomCoordsOrigin.y, dragRectPos.width, dragRectPos.height), "");
+					GUI.Box(new Rect(dragRectWidth.x - guiRect.x + zoomCoordsOrigin.x, dragRectWidth.y - guiRect.y + zoomCoordsOrigin.y, dragRectWidth.width, dragRectWidth.height), "");
+					GUI.Box(new Rect(dragRectHeight.x - guiRect.x + zoomCoordsOrigin.x, dragRectHeight.y - guiRect.y + zoomCoordsOrigin.y, dragRectHeight.width, dragRectHeight.height), "");
+				}
+			}
+			else
+			{
+
+			}
+
+			GUI.backgroundColor = Color.white;
+			GUILayout.EndArea();
+
+			if(useEvents)
+				ProcessEvents(e, editorViewRect, editorWorkRect, zoomCoordsOrigin);
+
+			EditorUtility.SetDirty(this);
+		}
+
+		void ProcessEvents(Event e, Rect editorViewRect, Rect editorWorkRect, Vector2 zoomCoordsOrigin)
+		{
+			if(isSelected)
+			{
+				//Right mouse
+				if(e.button == 0)
+				{
+					//Mouse drag
+					if(e.type == EventType.MouseDrag)
+					{
+						if(dragRectPos.Contains(e.mousePosition) && isDragging == false)
+						{
+							//Debug.Log("P");
+							isDragging = true;
+							isDraggingRectPos = true;
+						}
+						if(dragRectWidth.Contains(e.mousePosition) && isDragging == false)
+						{
+							//Debug.Log("W");
+							isDragging = true;
+							isDraggingRectWidth = true;
+						}
+						if(dragRectHeight.Contains(e.mousePosition) && isDragging == false)
+						{
+							//Debug.Log("W");
+							isDragging = true;
+							isDraggingRectHeigt = true;
+						}
+
+						if(isDraggingRectPos)
+						{
+							rect.x += e.delta.x;
+							rect.y += e.delta.y;
+						}
+						if(isDraggingRectWidth)
+						{
+							rect.width += e.delta.x;
+						}
+						if(isDraggingRectHeigt)
+						{
+							rect.height += e.delta.y;
+						}
+
+						//Clamp rect with min/max values to stay inside the workrect
+						rect.width = Mathf.Clamp(rect.width, 64, editorWorkRect.width);
+						rect.height = Mathf.Clamp(rect.height, 64, editorWorkRect.height);
+						rect.x = Mathf.Clamp(rect.x, 0, editorWorkRect.width - rect.width);
+						rect.y = Mathf.Clamp(rect.y, 0, editorWorkRect.height - rect.height);
+
+						if(isDragging)
+							e.Use();
+					}
+				}
+				//Deselect on mouse up
+				if(e.type == EventType.MouseUp)
+				{
+					StopDragging();
+				}
+			}
+			//Stop if we are not selected
+			else if(!isSelected && isDragging)
+			{
+				StopDragging();
+			}
+		}
+
+		private void StopDragging()
+		{
+			//Debug.Log("StopDragging");
+			isDragging = false;
+			isDraggingRectPos = false;
+			isDraggingRectWidth = false;
+			isDraggingRectHeigt = false;		
+		}
+
+		public void SetDebugMode(bool isDebugging)
+		{
+			debugMode = isDebugging;
+		}
+	}
+}

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Data/MA_TextureGroup.cs

@@ -0,0 +1,19 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace MA_TextureAtlasserPro
+{
+	[System.Serializable]
+	public class MA_TextureGroup 
+	{
+		public string name;
+		public Texture texture = null;
+	}
+
+	[System.Serializable]
+	public class MA_TextureGroupRegistration
+	{
+		public string name;
+	}
+}

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Editor/Utils/MA_TextureAtlasserProIcons.cs

@@ -0,0 +1,33 @@
+using UnityEngine;
+using UnityEditor;
+
+namespace MA_TextureAtlasserPro
+{
+    public static class MA_TextureAtlasserProIcons
+	{
+		private const string LOADICONPATH = "Assets/MA_ToolBox/MA_TextureAtlasserPro/Icons/";
+		
+		public static GUIContent createAtlasIcon;
+		public static GUIContent loadAtlasIcon;
+		public static GUIContent exportAtlasIcon;
+		public static GUIContent createQuadIcon;
+		public static GUIContent removeQuadIcon;
+		public static GUIContent showTexturesOnIcon;
+		public static GUIContent showTexturesOffIcon;
+		public static GUIContent dragHandleIcon;
+		public static GUIContent editIcon;
+
+		public static void LoadIcons()
+		{
+			createAtlasIcon = new GUIContent("", (Texture)EditorGUIUtility.Load(LOADICONPATH + "createAtlasIcon" + ".png"));
+			loadAtlasIcon = new GUIContent("", (Texture)EditorGUIUtility.Load(LOADICONPATH + "loadAtlasIcon" + ".png"));
+			exportAtlasIcon = new GUIContent("", (Texture)EditorGUIUtility.Load(LOADICONPATH + "exportAtlasIcon" + ".png"));
+			createQuadIcon = new GUIContent("", (Texture)EditorGUIUtility.Load(LOADICONPATH + "createQuadIcon" + ".png"));
+			removeQuadIcon = new GUIContent("", (Texture)EditorGUIUtility.Load(LOADICONPATH + "removeQuadIcon" + ".png"));
+			showTexturesOnIcon = new GUIContent("", (Texture)EditorGUIUtility.Load(LOADICONPATH + "showTexturesOnIcon" + ".png"));
+			showTexturesOffIcon = new GUIContent("", (Texture)EditorGUIUtility.Load(LOADICONPATH + "showTexturesOffIcon" + ".png"));
+			dragHandleIcon = new GUIContent("", (Texture)EditorGUIUtility.Load(LOADICONPATH + "dragHandleIcon" + ".png"));
+			editIcon = new GUIContent("", (Texture)EditorGUIUtility.Load(LOADICONPATH + "editIcon" + ".png"));
+		}
+	}
+}

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Editor/Utils/MA_TextureAtlasserProUtils.cs

@@ -0,0 +1,317 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using MA_Mesh;
+using MA_Texture;
+
+namespace MA_TextureAtlasserPro
+{
+	public static class MA_TextureAtlasserProUtils
+	{
+		public const string SAVEASSETPATH = "Assets/MA_ToolBox/MA_TextureAtlasserPro/Atlasses/"; 
+		public const string LOADASSETPATH = "Assets/MA_ToolBox/MA_TextureAtlasserPro/Atlasses/";
+		public const string EXPORTASSETPATH = "Assets/MA_ToolBox/MA_TextureAtlasserPro/Exports/"; 
+		public const float VIEWOFFSET = 20;
+		public const string DEFAULTTEXTUREGROUPNAME = "Albedo";
+
+		public static MA_TextureAtlasserProAtlas CreateTextureAtlas(string name, Vector2 size)
+		{
+			MA_TextureAtlasserProAtlas _atlas = (MA_TextureAtlasserProAtlas)ScriptableObject.CreateInstance<MA_TextureAtlasserProAtlas>();
+
+			if(_atlas != null)
+			{
+				_atlas.CreateAtlas(name, size);
+				MA_CheckTextureAtlas(_atlas);
+
+				AssetDatabase.CreateAsset(_atlas, SAVEASSETPATH + name + ".asset");
+				AssetDatabase.SaveAssets();
+				AssetDatabase.Refresh();
+
+				return _atlas;
+			}
+			else
+			{
+				return null;
+			}
+		}
+
+		public static MA_TextureAtlasserProAtlas LoadTextureAtlas()
+		{
+			MA_TextureAtlasserProAtlas _atlas = null;
+			string absPath = EditorUtility.OpenFilePanel("Select Texture Atlas", LOADASSETPATH, "");
+
+			if(absPath.StartsWith(Application.dataPath))
+			{
+				string relPath = absPath.Substring(Application.dataPath.Length - "Assets".Length);
+				_atlas = AssetDatabase.LoadAssetAtPath(relPath, typeof(MA_TextureAtlasserProAtlas)) as MA_TextureAtlasserProAtlas;
+
+				MA_CheckTextureAtlas(_atlas);
+
+				if(_atlas)
+				{
+					EditorPrefs.SetString("AtlasPath", null);
+				}
+			}
+
+			if(_atlas != null)
+			{
+				if(_atlas.selectedTextureQuad != null)
+				{
+					_atlas.selectedTextureQuad.isSelected = false;
+				}
+				_atlas.selectedTextureQuad = null;
+			}
+			
+			return _atlas;
+		}
+
+		public static void MA_CheckTextureAtlas(MA_TextureAtlasserProAtlas atlas)
+		{
+			if(atlas.textureGroupRegistration == null)
+			{
+				atlas.textureGroupRegistration = new List<MA_TextureGroupRegistration>();
+
+				MA_TextureGroupRegistration groupRegistration = new MA_TextureGroupRegistration();
+				groupRegistration.name = DEFAULTTEXTUREGROUPNAME;
+
+				atlas.textureGroupRegistration.Add(groupRegistration);
+			}
+
+			if(atlas.textureQuads == null)
+			{
+				atlas.textureQuads = new List<MA_TextureAtlasserProQuad>();
+			}
+			else
+			{
+				bool _sameCount = true;
+				foreach (MA_TextureAtlasserProQuad q in atlas.textureQuads)
+				{
+					if(q.textureGroups.Count != atlas.textureGroupRegistration.Count)
+					{
+						_sameCount = false;
+						Debug.LogWarning("TextureAtlasser: " + q.name + " doesn't have the right amount of texture groups!");
+					}
+				}
+
+				if(_sameCount)
+				{
+					foreach (MA_TextureAtlasserProQuad q in atlas.textureQuads)
+					{
+						for (int i = 0; i < atlas.textureQuads.Count; i++)
+						{
+							for (int j = 0; j < atlas.textureGroupRegistration.Count; j++)
+							{
+								if(atlas.textureQuads[i].textureGroups[j].name != atlas.textureGroupRegistration[j].name)
+								{
+									Debug.LogWarning("TextureAtlasser: " + q.name + " doesn't have the right texture group name!");
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+
+		public static void CreateTextureQuad(MA_TextureAtlasserProAtlas atlas, string name, Rect rect)
+		{
+			if(atlas != null)
+			{
+				//Create new list if we haven't one already
+				if(atlas.textureQuads == null)
+				{
+					atlas.textureQuads = new List<MA_TextureAtlasserProQuad>();
+				}
+
+				//Create new quad
+				MA_TextureAtlasserProQuad _quad = (MA_TextureAtlasserProQuad)ScriptableObject.CreateInstance("MA_TextureAtlasserProQuad");
+
+				//Add quad to asset
+				if(_quad != null)
+				{
+					//Set quad settings
+					_quad.name = name;
+					_quad.rect = rect;
+
+					SetTextureGroups(atlas, _quad);
+					
+					atlas.textureQuads.Add((MA_TextureAtlasserProQuad)_quad);
+
+					AssetDatabase.AddObjectToAsset(_quad, atlas);
+					AssetDatabase.SaveAssets();
+					AssetDatabase.Refresh();
+				}
+				else
+				{
+					Debug.LogError("CreateTextureQuad Failed: _TextureQuad");
+				}
+			}
+			else
+			{
+				Debug.LogError("CreateTextureQuad Failed: textureAtlas");
+			}
+		}
+
+		public static void RemoveTextureQuad(MA_TextureAtlasserProAtlas atlas)
+		{
+			if(atlas != null && atlas.selectedTextureQuad != null)
+			{
+				atlas.textureQuads.Remove(atlas.selectedTextureQuad);
+				GameObject.DestroyImmediate(atlas.selectedTextureQuad, true);
+				AssetDatabase.SaveAssets();
+				AssetDatabase.Refresh();
+			}
+		}
+
+		public static void SetTextureGroups(MA_TextureAtlasserProAtlas atlas, MA_TextureAtlasserProQuad quad)
+		{
+			if(quad.textureGroups == null)
+			{
+				quad.textureGroups = new List<MA_TextureGroup>();
+			}
+
+			//Add texture groups
+			foreach (MA_TextureGroupRegistration tgr in atlas.textureGroupRegistration)
+			{
+				MA_TextureGroup textureGroup = new MA_TextureGroup();
+				textureGroup.name = tgr.name;
+				quad.textureGroups.Add(textureGroup);
+			}
+		}
+
+		public static void CreateTextureGroup(MA_TextureAtlasserProAtlas atlas, string name)
+		{
+			MA_TextureGroupRegistration _textureGroupRegistration = new MA_TextureGroupRegistration();
+			_textureGroupRegistration.name = name;
+			atlas.textureGroupRegistration.Add(_textureGroupRegistration);
+
+			foreach (MA_TextureAtlasserProQuad q in atlas.textureQuads)
+			{
+				MA_TextureGroup _textureGroup = new MA_TextureGroup();
+				_textureGroup.name = name;
+				q.textureGroups.Add(_textureGroup);
+			}
+		}
+
+		public static void RemoveTextureGroup(MA_TextureAtlasserProAtlas atlas, int index)
+		{
+			atlas.textureGroupRegistration.RemoveAt(index);
+
+			foreach (MA_TextureAtlasserProQuad q in atlas.textureQuads)
+			{
+				q.textureGroups.RemoveAt(index);
+			}
+		}
+
+		public static void CloseWindow(MA_TextureAtlasserProWindow curWindow)
+		{
+			if(curWindow == null)
+			{
+				Debug.LogError("Closing window Failed: curWindow == null");
+			}
+			curWindow.Close();
+		}
+
+		public static void ExportAtlas(MA_TextureAtlasserProAtlas atlas, string savePath = EXPORTASSETPATH)
+		{
+			if(atlas != null && atlas.textureQuads != null)
+			{
+				ExportAtlasMeshesObj(atlas);
+				ExportAtlasTexturesPNG(atlas);
+
+				AssetDatabase.Refresh();
+			}
+		}
+
+		public static void ExportAtlasMeshesObj(MA_TextureAtlasserProAtlas atlas, string savePath = EXPORTASSETPATH)
+		{
+			if(atlas != null && atlas.textureQuads != null)
+			{
+				foreach (MA_TextureAtlasserProQuad ta in atlas.textureQuads)
+				{
+					//Export Mesh
+					if(ta.meshes != null)
+					{
+						for (int m = 0; m < ta.meshes.Count; m++)
+						{
+							if(ta.meshes[m] != null)
+							{
+								//Create new mesh
+								Mesh newMesh = new Mesh();
+								//Duplicate it from the current one
+								newMesh = MA_MeshUtils.MA_DuplicateMesh(ta.meshes[m]);
+								//Remap uvs
+								newMesh = MA_MeshUtils.MA_UVReMap(newMesh, atlas.textureAtlasSize, ta.guiRect);
+								//Save it
+								MA_MeshUtils.MeshToFile(newMesh, "MA_" + ta.name, savePath);
+							}
+						}
+					}
+				}
+			}
+		}
+
+		// public static void ExportAtlasTexturePNG(MA_TextureAtlasserProAtlas atlas, string savePath = EXPORTASSETPATH)
+		// {
+		// 	if(atlas != null && atlas.textureQuads != null)
+		// 	{
+		// 		//Create new Texture Atlas
+		// 		Texture2D newTexture = new Texture2D((int)atlas.textureAtlasSize.x, (int)atlas.textureAtlasSize.y);
+		// 		newTexture.name = atlas.name;
+
+		// 		foreach (MA_TextureAtlasserProQuad ta in atlas.textureQuads)
+		// 		{
+		// 			//Export Texture Atlas
+		// 			//TODO: Replace with texture groups (foreacht ...)
+		// 			if(ta.texture != null)
+		// 			{
+		// 				//Create new texture part
+		// 				Texture2D newTexturePart = (Texture2D)MA_Texture.MA_TextureUtils.ConvertToReadableTexture(ta.texture);
+		// 				//Scale it
+		// 				newTexturePart = newTexturePart.MA_Scale2D((int)ta.guiRect.width, (int)ta.guiRect.height);
+		// 				//Add it
+		// 				newTexture = newTexture.MA_Combine2D(newTexturePart, (int)ta.guiRect.x, (int)ta.guiRect.y);
+		// 			}
+		// 		}
+
+		// 		//Save it
+		// 		newTexture.MA_Save2D("MA_" + newTexture.name, savePath);
+		// 		//Refresh
+		// 		AssetDatabase.Refresh();
+		// 	}
+		// }
+
+		public static void ExportAtlasTexturesPNG(MA_TextureAtlasserProAtlas atlas, string savePath = EXPORTASSETPATH)
+		{
+			if(atlas != null && atlas.textureQuads != null && atlas.textureGroupRegistration != null)
+			{
+				//Foreach texture group
+				for (int i = 0; i < atlas.textureGroupRegistration.Count; i++)
+				{
+					//Create new Texture Atlas
+					Texture2D newTexture = new Texture2D((int)atlas.textureAtlasSize.x, (int)atlas.textureAtlasSize.y);
+					newTexture.name = atlas.name + "_" + atlas.textureGroupRegistration[i].name;
+
+					foreach (MA_TextureAtlasserProQuad q in atlas.textureQuads)
+					{
+						if(q.textureGroups != null && q.textureGroups[i].texture != null)
+						{
+							//Create new texture part
+							Texture2D newTexturePart = (Texture2D)MA_Texture.MA_TextureUtils.ConvertToReadableTexture(q.textureGroups[i].texture);
+							//Scale it
+							newTexturePart = newTexturePart.MA_Scale2D((int)q.guiRect.width, (int)q.guiRect.height);
+							//Add it
+							newTexture = newTexture.MA_Combine2D(newTexturePart, (int)q.guiRect.x, (int)q.guiRect.y);
+						}
+					}
+
+					//Save it
+					newTexture.MA_Save2D("MA_" + newTexture.name, savePath);
+				}
+
+				//Refresh
+				AssetDatabase.Refresh();
+			}
+		}
+	}
+}

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Editor/Views/MA_TextureAtlasserProDebugView.cs

@@ -0,0 +1,78 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using MA_Editor;
+
+namespace MA_TextureAtlasserPro
+{
+	public class MA_TextureAtlasserProDebugView : MA_TextureAtlasserProViewBase 
+	{
+		private bool isEditing = false;
+
+		public MA_TextureAtlasserProDebugView(MA_TextureAtlasserProWindow currentEditorWindow, string title) : base(currentEditorWindow, title)
+		{
+			
+		}
+
+		public override void UpdateView(Event e, Rect editorViewRect)
+		{
+			//Update base derived class
+			base.UpdateView(e, editorViewRect);
+
+            //Draw inspector
+            if(isLoaded)
+            {
+				GUILayout.BeginArea(editorViewRect, EditorStyles.helpBox);	
+				GUILayout.BeginHorizontal(GUILayout.ExpandWidth(true));				
+
+				//GUILayout.Label(curWindow.workView.Zoom.ToString("F2"));
+				if(GUILayout.Button(curWindow.workView.Zoom.ToString("F2"), EditorStyles.label))
+				{
+					curWindow.workView.ResetWindow();
+				}
+
+				if(curWindow.textureAtlas != null)
+				{
+					GUILayout.FlexibleSpace();
+					//GUILayout.Label(curWindow.textureAtlas.textureAtlasSize.ToString());
+					if(!isEditing)
+					{
+						if(GUILayout.Button(curWindow.textureAtlas.textureAtlasSize.ToString("F0"), EditorStyles.label))
+						{
+							isEditing = true;
+						}
+					}
+					else
+					{
+						curWindow.textureAtlas.textureAtlasSize = EditorGUILayout.Vector2Field("", curWindow.textureAtlas.textureAtlasSize, GUILayout.Width(110));
+					}				
+				}
+                   
+				GUILayout.EndHorizontal();
+                GUILayout.EndArea();       
+            }
+
+            ProcessEvents(e, editorViewRect);
+		}
+
+		protected override void ProcessEvents(Event e, Rect editorViewRect)
+		{
+            base.ProcessEvents(e, editorViewRect);
+
+			if(isEditing)
+			{
+				if(e.type == EventType.KeyDown && e.keyCode == KeyCode.Return)
+				{
+					isEditing = false;
+					return;
+				}
+				if(e.type == EventType.MouseDown && !isMouseInEditorViewRect)
+				{
+					isEditing = false;
+					return;
+				}
+			}
+		}
+	}
+}

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Editor/Views/MA_TextureAtlasserProInspectorView.cs

@@ -0,0 +1,134 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using MA_Editor;
+
+namespace MA_TextureAtlasserPro
+{
+	public class MA_TextureAtlasserProInspectorView : MA_TextureAtlasserProViewBase 
+	{
+		private MA_TextureAtlasserProQuad lastSelectedQuad;
+
+		private bool isEditing = false;
+
+		public MA_TextureAtlasserProInspectorView(MA_TextureAtlasserProWindow currentEditorWindow, string title) : base(currentEditorWindow, title)
+		{
+			
+		}
+
+		public override void UpdateView(Event e, Rect editorViewRect)
+		{
+			//Update base derived class
+			base.UpdateView(e, editorViewRect);
+
+			if(isLoaded)
+			{
+				//Draw inspector
+				if(curWindow.textureAtlas != null && curWindow.textureAtlas.selectedTextureQuad != null)
+				{
+					//Deselect GUI elements when we are focusing on a new quad
+					if(lastSelectedQuad != curWindow.textureAtlas.selectedTextureQuad)
+					{
+						lastSelectedQuad = curWindow.textureAtlas.selectedTextureQuad;
+						GUI.FocusControl(null);
+					}
+
+					GUILayout.BeginArea(editorViewRect, EditorStyles.helpBox);		
+					GUILayout.BeginVertical(GUILayout.ExpandWidth(true));
+
+					GUILayout.Label("Quad Name");
+					curWindow.textureAtlas.selectedTextureQuad.name = EditorGUILayout.TextField(curWindow.textureAtlas.selectedTextureQuad.name);
+
+					GUILayout.Space(MA_TextureAtlasserProUtils.VIEWOFFSET / 2);
+
+					//Textures
+					GUILayout.BeginHorizontal();
+					GUILayout.Label("Textures", GUILayout.ExpandWidth(true));
+					if(GUILayout.Button(MA_TextureAtlasserProIcons.editIcon, EditorStyles.miniButton, GUILayout.Width(36), GUILayout.Height(15)))
+					{
+						isEditing = !isEditing;
+					}
+					GUILayout.EndHorizontal();
+					if(curWindow.textureAtlas.textureGroupRegistration == null || curWindow.textureAtlas.textureGroupRegistration.Count == 0)
+					{
+						if(GUILayout.Button("+", EditorStyles.miniButton, GUILayout.ExpandWidth(true)))
+						{
+							MA_TextureAtlasserProUtils.CreateTextureGroup(curWindow.textureAtlas, "New TextureGroup");
+						}
+					}
+					for (int i = 0; i < curWindow.textureAtlas.textureGroupRegistration.Count; i++)
+					{
+						if(isEditing)
+						{
+							curWindow.textureAtlas.textureGroupRegistration[i].name = curWindow.textureAtlas.selectedTextureQuad.textureGroups[i].name = EditorGUILayout.TextField(curWindow.textureAtlas.textureGroupRegistration[i].name);
+						}
+						else
+						{
+							GUILayout.Label(curWindow.textureAtlas.textureGroupRegistration[i].name);
+						}
+						GUILayout.BeginHorizontal();
+						curWindow.textureAtlas.selectedTextureQuad.textureGroups[i].texture = (Texture)EditorGUILayout.ObjectField(curWindow.textureAtlas.selectedTextureQuad.textureGroups[i].texture, typeof(Texture), false);
+						if(isEditing && GUILayout.Button("-", EditorStyles.miniButtonLeft, GUILayout.ExpandWidth(false)))
+						{
+							MA_TextureAtlasserProUtils.RemoveTextureGroup(curWindow.textureAtlas, i);
+						}
+						if(isEditing && GUILayout.Button("+", EditorStyles.miniButtonRight, GUILayout.ExpandWidth(false)))
+						{
+							MA_TextureAtlasserProUtils.CreateTextureGroup(curWindow.textureAtlas, "New TextureGroup");
+						}
+						GUILayout.EndHorizontal();
+					}
+
+					GUILayout.Space(MA_TextureAtlasserProUtils.VIEWOFFSET / 2);
+
+					//Meshes	
+					GUILayout.Label("Meshes");
+					if(curWindow.textureAtlas.selectedTextureQuad.meshes != null)
+					{
+						if(curWindow.textureAtlas.selectedTextureQuad.meshes.Count == 0)
+						{
+							if(GUILayout.Button("+", EditorStyles.miniButton, GUILayout.ExpandWidth(true)))
+							{
+								curWindow.textureAtlas.selectedTextureQuad.meshes.Add(null);
+							}
+						}
+						for (int i = 0; i < curWindow.textureAtlas.selectedTextureQuad.meshes.Count; i++)
+						{
+							GUILayout.BeginHorizontal();
+							curWindow.textureAtlas.selectedTextureQuad.meshes[i] = (Mesh)EditorGUILayout.ObjectField(curWindow.textureAtlas.selectedTextureQuad.meshes[i], typeof(Mesh), false);
+							if(GUILayout.Button("-", EditorStyles.miniButtonLeft, GUILayout.ExpandWidth(false)))
+							{
+								curWindow.textureAtlas.selectedTextureQuad.meshes.RemoveAt(i);
+							}
+							if(GUILayout.Button("+", EditorStyles.miniButtonRight, GUILayout.ExpandWidth(false)))
+							{
+								curWindow.textureAtlas.selectedTextureQuad.meshes.Insert(i, null);
+							}
+							GUILayout.EndHorizontal();
+						}		
+					}
+					else
+					{
+						curWindow.textureAtlas.selectedTextureQuad.meshes = new List<Mesh>();
+					}
+
+					GUILayout.FlexibleSpace();
+					GUILayout.Label("x " + curWindow.textureAtlas.selectedTextureQuad.guiRect.x.ToString() + ", y " + curWindow.textureAtlas.selectedTextureQuad.guiRect.y.ToString());
+					GUILayout.Label("w " + curWindow.textureAtlas.selectedTextureQuad.guiRect.width.ToString() + ", h " + curWindow.textureAtlas.selectedTextureQuad.guiRect.height.ToString());
+
+					GUILayout.EndVertical();
+					GUILayout.EndArea();           
+				}
+			}
+
+			if(curWindow.textureAtlas != null && curWindow.textureAtlas.selectedTextureQuad != null)				
+				ProcessEvents(e, editorViewRect);
+		}
+
+		protected override void ProcessEvents(Event e, Rect editorViewRect)
+		{
+			base.ProcessEvents(e, editorViewRect);
+		}
+	}
+}

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Editor/Views/MA_TextureAtlasserProMenuView.cs

@@ -0,0 +1,76 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using MA_Editor;
+
+namespace MA_TextureAtlasserPro
+{
+	public class MA_TextureAtlasserProMenuView : MA_TextureAtlasserProViewBase 
+	{
+		public MA_TextureAtlasserProMenuView(MA_TextureAtlasserProWindow currentEditorWindow, string title) : base(currentEditorWindow, title)
+		{
+			
+		}
+
+		public override void UpdateView(Event e, Rect editorViewRect)
+		{
+			//Update base derived class
+			base.UpdateView(e, editorViewRect);
+
+			//Draw Menu
+			if(isLoaded)
+			{
+				GUILayout.BeginArea(editorViewRect, EditorStyles.helpBox);	
+				GUILayout.BeginHorizontal(GUILayout.ExpandWidth(true));
+
+				if(GUILayout.Button(MA_TextureAtlasserProIcons.createAtlasIcon, GUILayout.ExpandWidth(false), GUILayout.ExpandHeight(true)))
+				{
+					MA_TextureAtlasserProCreateWindow.InitEditorWindow(curWindow);
+				}
+				if(GUILayout.Button(MA_TextureAtlasserProIcons.loadAtlasIcon, GUILayout.ExpandWidth(false), GUILayout.ExpandHeight(true)))
+				{
+					curWindow.textureAtlas = MA_TextureAtlasserProUtils.LoadTextureAtlas();
+				}
+
+				if(curWindow.textureAtlas != null)
+				{
+					if(GUILayout.Button(MA_TextureAtlasserProIcons.exportAtlasIcon, GUILayout.ExpandWidth(false), GUILayout.ExpandHeight(true)))
+					{
+						MA_TextureAtlasserProExportWindow.InitEditorWindow(curWindow);
+						//MA_TextureAtlasserProUtils.ExportAtlas(curWindow.textureAtlas);
+					}
+					GUILayout.Space(MA_TextureAtlasserProUtils.VIEWOFFSET);
+					if(curWindow.textureAtlas.showTextures && GUILayout.Button(MA_TextureAtlasserProIcons.showTexturesOnIcon, GUILayout.ExpandWidth(false), GUILayout.ExpandHeight(true)))
+					{
+						curWindow.textureAtlas.showTextures = false;
+					}
+					else if(!curWindow.textureAtlas.showTextures && GUILayout.Button(MA_TextureAtlasserProIcons.showTexturesOffIcon, GUILayout.ExpandWidth(false), GUILayout.ExpandHeight(true)))
+					{
+						curWindow.textureAtlas.showTextures = true;
+					}
+					GUILayout.Space(MA_TextureAtlasserProUtils.VIEWOFFSET);
+					if(GUILayout.Button(MA_TextureAtlasserProIcons.createQuadIcon, GUILayout.ExpandWidth(false), GUILayout.ExpandHeight(true)))
+					{
+						MA_TextureAtlasserProUtils.CreateTextureQuad(curWindow.textureAtlas, "new Quad", new Rect(0, 0, 128, 128));
+					}
+					if(curWindow.textureAtlas.selectedTextureQuad != null && GUILayout.Button(MA_TextureAtlasserProIcons.removeQuadIcon, GUILayout.ExpandWidth(false), GUILayout.ExpandHeight(true)))
+					{
+						if(curWindow.textureAtlas.selectedTextureQuad != null)
+							MA_TextureAtlasserProUtils.RemoveTextureQuad(curWindow.textureAtlas);		
+					}
+				}
+
+				GUILayout.EndHorizontal();
+				GUILayout.EndArea();
+			}
+
+			ProcessEvents(e, editorViewRect);
+		}
+
+		protected override void ProcessEvents(Event e, Rect editorViewRect)
+		{
+			base.ProcessEvents(e, editorViewRect);
+		}
+	}
+}

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Editor/Views/MA_TextureAtlasserProViewBase.cs

@@ -0,0 +1,55 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+
+namespace MA_TextureAtlasserPro
+{
+	public class MA_TextureAtlasserProViewBase
+	{
+		public MA_TextureAtlasserProWindow curWindow;
+		public string viewTitle;
+		public bool isMouseInEditorViewRect = false;
+		public static bool editorIsLoaded = false;
+		public bool isLoaded = false;
+
+		public MA_TextureAtlasserProViewBase(MA_TextureAtlasserProWindow currentEditorWindow, string title)
+		{
+			curWindow = currentEditorWindow;
+			viewTitle = title;
+		}
+
+		[UnityEditor.Callbacks.DidReloadScripts]
+		static void OnReload()
+		{
+			//Make sure that when the compiler is finished and reloads the scripts, we are waiting for the next Event.
+			editorIsLoaded = false;
+		}
+
+		public virtual void UpdateView(Event e, Rect editorViewRect)
+		{
+
+		}
+
+		protected virtual void ProcessEvents(Event e, Rect editorViewRect)
+		{
+			if(e.type == EventType.Repaint)
+			{
+				if(!isLoaded && editorIsLoaded)
+					isLoaded = true;
+
+				if(!editorIsLoaded)
+					editorIsLoaded = true;
+			}
+
+			if(editorViewRect.Contains(e.mousePosition))
+			{
+				isMouseInEditorViewRect = true;
+			}
+			else
+			{
+				isMouseInEditorViewRect = false;
+			}
+		}
+	}
+}

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Editor/Views/MA_TextureAtlasserProWorkView.cs

@@ -0,0 +1,122 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using MA_Editor;
+using MA_Editor.GUILayoutZoom;
+using MA_Editor.RectUtils;
+
+namespace MA_TextureAtlasserPro
+{
+	public class MA_TextureAtlasserProWorkView : MA_TextureAtlasserProViewBase 
+	{
+		public MA_TextureAtlasserProWorkView(MA_TextureAtlasserProWindow currentEditorWindow, string title) : base(currentEditorWindow, title)
+		{
+			zoomCoordsOrigin = new Vector2(-(curWindow.position.width / 2) + (curWindow.position.width / 3), -(curWindow.position.height / 2) + (curWindow.position.height / 3));
+		}
+
+		private const float kZoomMin = 0.05f;
+        private const float kZoomMax = 2.0f;
+		private Rect zoomArea;
+		private float zoom = 1.0f;
+        public float Zoom { get { return zoom; } }
+        private Vector2 zoomCoordsOrigin = Vector2.zero;
+
+		public override void UpdateView(Event e, Rect editorViewRect)
+		{
+			//Update base derived class
+			base.UpdateView(e, editorViewRect);
+
+            zoomArea = editorViewRect;
+
+            bool useEvents;
+            if(curWindow.menuView.isMouseInEditorViewRect || curWindow.inspectorView.isMouseInEditorViewRect || curWindow.debugView.isMouseInEditorViewRect)
+                useEvents = false;
+            else
+                useEvents = true;   
+
+            //Draw Work
+            if(isLoaded)
+            {
+                //Start zoom area
+                GUILayoutZoom.BeginArea(zoom, zoomArea);
+
+                //Draw quads
+                if(curWindow.textureAtlas != null)
+                {
+                    curWindow.textureAtlas.UpdateTextureQuads(e, editorViewRect, zoomCoordsOrigin, useEvents);
+                    DrawQuadGUI();
+                }
+
+                //End zoom area
+                GUILayoutZoom.EndArea();
+            }
+
+            if(useEvents)
+                ProcessEvents(e, editorViewRect);
+		}
+
+		protected override void ProcessEvents(Event e, Rect editorViewRect)
+		{
+            base.ProcessEvents(e, editorViewRect);
+
+            // Allow adjusting the zoom with the mouse wheel as well. In this case, use the mouse coordinates
+            // as the zoom center instead of the top left corner of the zoom area. This is achieved by
+            // maintaining an origin that is used as offset when drawing any GUI elements in the zoom area.
+            if (e.type == EventType.ScrollWheel)
+            {
+                Vector2 screenCoordsMousePos = e.mousePosition;
+                Vector2 delta = e.delta;
+                Vector2 zoomCoordsMousePos = ConvertScreenCoordsToZoomCoords(screenCoordsMousePos);
+                float zoomDelta = -delta.y / 100.0f;
+                float oldZoom = zoom;
+                zoom += zoomDelta;
+                zoom = Mathf.Clamp(zoom, kZoomMin, kZoomMax);
+                if(zoom < 1.025f && zoom > 0.995f)
+                {
+                    zoom = 1;
+                }
+                zoomCoordsOrigin += (zoomCoordsMousePos - zoomCoordsOrigin) - (oldZoom / zoom) * (zoomCoordsMousePos - zoomCoordsOrigin);
+                
+				e.Use();
+            }
+
+            // Allow moving the zoom area's origin by dragging by dragging with the left mouse button with Alt pressed.
+            if (e.type == EventType.MouseDrag && (e.button == 2 || (e.button == 0 && e.modifiers == EventModifiers.Alt)))
+            {
+                Vector2 delta = Event.current.delta;
+                delta /= zoom;
+                zoomCoordsOrigin -= delta;
+
+                e.Use();
+            }
+		}
+
+		private Vector2 ConvertScreenCoordsToZoomCoords(Vector2 screenCoords)
+        {
+            return (screenCoords - zoomArea.TopLeft()) / zoom + zoomCoordsOrigin;
+        }
+
+        //Draw quad GUI ontop of quad with custom GUIContent.
+        private void DrawQuadGUI()
+        {
+            if(curWindow.textureAtlas.textureQuads != null)
+            {
+                foreach (MA_TextureAtlasserProQuad q in curWindow.textureAtlas.textureQuads)
+                {
+                    if(q.isSelected)
+                    {
+                        GUI.Button(new Rect(q.dragRectPos.x, q.dragRectPos.y, q.dragRectPos.width, q.dragRectPos.height), MA_TextureAtlasserProIcons.dragHandleIcon);
+                        GUI.Button(new Rect(q.dragRectWidth.x, q.dragRectWidth.y, q.dragRectWidth.width, q.dragRectWidth.height), MA_TextureAtlasserProIcons.dragHandleIcon);
+                        GUI.Button(new Rect(q.dragRectHeight.x, q.dragRectHeight.y, q.dragRectHeight.width, q.dragRectHeight.height), MA_TextureAtlasserProIcons.dragHandleIcon);
+                    }
+                }
+            }
+        }
+
+        public void ResetWindow()
+        {
+            zoom = 1;
+            zoomCoordsOrigin = new Vector2(-(curWindow.position.width / 2) + (curWindow.position.width / 3), -(curWindow.position.height / 2) + (curWindow.position.height / 3));
+        }
+	}
+}

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Editor/Windows/MA_TextureAtlasserProCreateWindow.cs

@@ -0,0 +1,170 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using MA_Editor;
+
+namespace MA_TextureAtlasserPro
+{
+	public class MA_TextureAtlasserProCreateWindow : EditorWindow 
+	{
+		//Editor
+		private static MA_TextureAtlasserProCreateWindow thisWindow;
+		public static MA_TextureAtlasserProWindow curWindow;
+				
+		private bool linkedAtlasSize = true;
+		private bool nameError = true;
+		private bool sizeError = true;
+
+		//Data
+		private string textureAtlasName = "Atlas name";
+		private Vector2 textureAtlasSize = new Vector2(512, 512);
+		private MA_TextureAtlasserProAtlas textureAtlas;
+		private static bool isLoaded = false;
+
+		[MenuItem("MA_ToolKit/MA_TextureAtlasserPro/New Atlas")]	
+		private static void Init()
+        {
+			GetCurrentWindow();
+
+			thisWindow.minSize = new Vector2(500,160);
+			thisWindow.maxSize = new Vector2(500,160);
+
+			thisWindow.titleContent.text = "MA_CreateTextureAtlas";
+
+			thisWindow.Show();
+		}
+
+		public static void InitEditorWindow(MA_TextureAtlasserProWindow currentEditorWindow)
+		{
+			curWindow = currentEditorWindow;
+
+			GetCurrentWindow();
+
+			thisWindow.minSize = new Vector2(500,160);
+			thisWindow.maxSize = new Vector2(500,160);
+
+			thisWindow.titleContent.text = "MA_CreateTextureAtlas";
+
+			thisWindow.Show();
+		}
+
+		private static void GetCurrentWindow()
+		{
+			thisWindow = (MA_TextureAtlasserProCreateWindow)EditorWindow.GetWindow<MA_TextureAtlasserProCreateWindow>();
+		}
+
+		private void CloseWindow()
+		{
+			if(thisWindow == null)
+			{
+				GetCurrentWindow();
+				thisWindow.Close();
+			}
+			else
+			{
+				thisWindow.Close();
+			}
+		}
+
+		private Event ProcessEvents()
+		{
+			Event e = Event.current;
+
+			return e;
+		}
+
+		[UnityEditor.Callbacks.DidReloadScripts]
+		static void OnReload()
+		{
+			//Make sure that when the compiler is finished and reloads the scripts, we are waiting for the next Event.
+			isLoaded = false;
+		}
+
+		private void OnGUI()
+		{
+			if(thisWindow == null)
+			{
+				GetCurrentWindow();
+				return;
+			}
+
+			//Get current event
+            Event e = ProcessEvents();
+
+			if(isLoaded)
+			{
+				GUILayout.BeginArea(new Rect(MA_TextureAtlasserProUtils.VIEWOFFSET, MA_TextureAtlasserProUtils.VIEWOFFSET, position.width - (MA_TextureAtlasserProUtils.VIEWOFFSET * 2), position.height - (MA_TextureAtlasserProUtils.VIEWOFFSET * 2)));
+				GUILayout.BeginVertical();
+
+				//Input options
+				textureAtlasName = EditorGUILayout.TextField("Atlas name", textureAtlasName, GUILayout.ExpandWidth(true));
+				if(textureAtlasName == "Atlas name" || string.IsNullOrEmpty(textureAtlasName))
+				{
+					nameError = true;
+					GUI.backgroundColor = Color.red;
+					GUILayout.Box("Error: Enter a valid atlas name!", EditorStyles.helpBox);
+					GUI.backgroundColor = Color.white;
+				}
+				else
+				{
+					nameError = false;
+				}
+				
+				textureAtlasSize.x = EditorGUILayout.IntField("Atlas width", (int)textureAtlasSize.x, GUILayout.ExpandWidth(true));
+				if(linkedAtlasSize)
+				{
+					linkedAtlasSize = EditorGUILayout.Toggle("link height", linkedAtlasSize, GUILayout.ExpandWidth(true));
+					textureAtlasSize.y = textureAtlasSize.x;
+				}
+				else
+				{
+					textureAtlasSize.y = EditorGUILayout.IntField("Atlas height", (int)textureAtlasSize.y, GUILayout.ExpandWidth(true));
+				}
+				if(!Mathf.IsPowerOfTwo((int)textureAtlasSize.x) || !Mathf.IsPowerOfTwo((int)textureAtlasSize.y))
+				{
+					GUI.backgroundColor = Color.yellow;
+					GUILayout.Box("Warning: Atlas size value isn't a power of two!", EditorStyles.helpBox);
+					GUI.backgroundColor = Color.white;
+				}
+				if(textureAtlasSize.x < 64 || textureAtlasSize.y < 64)
+				{
+					sizeError = true;
+					GUI.backgroundColor = Color.red;
+					GUILayout.Box("Error: The minimum atlas size is 64!", EditorStyles.helpBox);
+					GUI.backgroundColor = Color.white;
+				}
+				else
+				{
+					sizeError = false;
+				}
+
+				//Create
+				if(!nameError && !sizeError)
+				{
+					if(GUILayout.Button("Create Atlas", GUILayout.ExpandWidth(true), GUILayout.Height(37)))
+					{
+						textureAtlas = MA_TextureAtlasserProUtils.CreateTextureAtlas(textureAtlasName, textureAtlasSize);
+
+						if(curWindow != null)
+						{
+							curWindow.textureAtlas = textureAtlas;				
+						}
+						else
+						{
+							Debug.Log("No editor window found");
+						}
+
+						CloseWindow();
+					}
+				}
+
+				GUILayout.EndVertical();
+				GUILayout.EndArea();
+			}
+
+			if(e.type == EventType.Repaint)
+				isLoaded = true;
+		}
+	}
+}

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Editor/Windows/MA_TextureAtlasserProExportWindow.cs

@@ -0,0 +1,135 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using MA_Editor;
+
+namespace MA_TextureAtlasserPro
+{
+	public class MA_TextureAtlasserProExportWindow : EditorWindow 
+	{
+		//Editor
+		private static MA_TextureAtlasserProExportWindow thisWindow;
+		public static MA_TextureAtlasserProWindow curWindow;
+
+		//Data
+		private static bool isLoaded = false;		//Make sure we wait a frame at the start to setup and don't draw.
+
+		[MenuItem("MA_ToolKit/MA_TextureAtlasserPro/Export Atlas")]	
+		private static void Init()
+        {
+			GetCurrentWindow();
+
+			thisWindow.minSize = new Vector2(500,160);
+			thisWindow.maxSize = new Vector2(500,160);
+
+			thisWindow.titleContent.text = "MA_ExportTextureAtlas";
+
+			thisWindow.Show();
+		}
+
+		public static void InitEditorWindow(MA_TextureAtlasserProWindow currentEditorWindow)
+		{
+			curWindow = currentEditorWindow;
+
+			GetCurrentWindow();
+
+			thisWindow.minSize = new Vector2(500,160);
+			thisWindow.maxSize = new Vector2(500,160);
+
+			thisWindow.titleContent.text = "MA_ExportTextureAtlas";
+
+			thisWindow.Show();
+		}
+
+		private static void GetCurrentWindow()
+		{
+			thisWindow = (MA_TextureAtlasserProExportWindow)EditorWindow.GetWindow<MA_TextureAtlasserProExportWindow>();
+		}
+
+		private void CloseWindow()
+		{
+			if(thisWindow == null)
+			{
+				GetCurrentWindow();
+				thisWindow.Close();
+			}
+			else
+			{
+				thisWindow.Close();
+			}
+		}
+
+		private Event ProcessEvents()
+		{
+			Event e = Event.current;
+
+			return e;
+		}
+
+		[UnityEditor.Callbacks.DidReloadScripts]
+		private static void OnReload()
+		{
+			//Make sure that when the compiler is finished and reloads the scripts, we are waiting for the next Event.
+			isLoaded = false;
+		}
+
+		private void OnGUI()
+		{
+			if(thisWindow == null)
+			{
+				GetCurrentWindow();
+				return;
+			}
+
+			//Get current event
+            Event e = ProcessEvents();
+
+			if(isLoaded)
+			{
+				GUILayout.BeginArea(new Rect(MA_TextureAtlasserProUtils.VIEWOFFSET, MA_TextureAtlasserProUtils.VIEWOFFSET, position.width - (MA_TextureAtlasserProUtils.VIEWOFFSET * 2), position.height - (MA_TextureAtlasserProUtils.VIEWOFFSET * 2)));
+				GUILayout.BeginVertical();
+
+				
+				if(curWindow != null && curWindow.textureAtlas != null)
+				{
+					//Export options
+					GUILayout.Box("Note: No custom export options right now.. :<", EditorStyles.helpBox);
+
+					//Export
+					GUILayout.BeginVertical(EditorStyles.helpBox);
+
+					GUILayout.Label("Meshes: OBJ | Textures: PNG");
+					if(GUILayout.Button("Export Atlas", GUILayout.ExpandWidth(true), GUILayout.Height(37)))
+					{
+						MA_TextureAtlasserProUtils.ExportAtlas(curWindow.textureAtlas);
+					}
+
+					GUILayout.EndVertical();
+				}
+				else if(curWindow == null)
+				{
+					GUI.backgroundColor = Color.red;
+					GUILayout.Box("Error: Link with the Texture Atlas Editor lost!", EditorStyles.helpBox);
+					if(GUILayout.Button("Link Atlas Editor", GUILayout.ExpandWidth(true), GUILayout.Height(37)))
+					{
+						curWindow = (MA_TextureAtlasserProWindow)EditorWindow.GetWindow<MA_TextureAtlasserProWindow>();
+					}
+					GUI.backgroundColor = Color.white;
+				}
+				else if(curWindow.textureAtlas == null)
+				{
+					GUI.backgroundColor = Color.red;
+					GUILayout.Box("Error: No Texture Atlas found make sure to open one!", EditorStyles.helpBox);
+					GUI.backgroundColor = Color.white;
+				}
+
+				GUILayout.EndVertical();
+				GUILayout.EndArea();
+			}
+
+			if(e.type == EventType.Repaint)
+				isLoaded = true;
+		}
+	}
+}

MA_ToolBox/MA_TextureAtlasserPro/Scripts/Editor/Windows/MA_TextureAtlasserProWindow.cs

@@ -0,0 +1,119 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+
+namespace MA_TextureAtlasserPro
+{
+    public class MA_TextureAtlasserProWindow : EditorWindow 
+    {
+        public static MA_TextureAtlasserProWindow thisWindow;
+        public MA_TextureAtlasserProAtlas textureAtlas;
+
+        public MA_TextureAtlasserProWorkView workView;
+		public MA_TextureAtlasserProMenuView menuView;
+		public MA_TextureAtlasserProInspectorView inspectorView;
+		public MA_TextureAtlasserProDebugView debugView;
+
+		private static bool isLoaded = false;		//Make sure we wait a frame at the start to setup and don't draw.
+
+        [MenuItem("MA_ToolKit/MA_TextureAtlasserPro/Atlas Editor")]
+        private static void Init()
+        {
+            GetCurrentWindow();
+
+            thisWindow.titleContent.text = "MA_TextureAtlasserPro";
+			thisWindow.minSize = new Vector2(375, 360);
+            thisWindow.wantsMouseMove = true;
+			
+			thisWindow.Show();
+        }
+
+		private void OnEnable()
+		{
+			//Load the icons
+			MA_TextureAtlasserProIcons.LoadIcons();
+		}
+
+        private static void GetCurrentWindow()
+		{
+			thisWindow = (MA_TextureAtlasserProWindow)EditorWindow.GetWindow<MA_TextureAtlasserProWindow>();
+		}
+
+        private void CloseCurrentWindow()
+		{
+			if(thisWindow == null)
+			{
+				GetCurrentWindow();
+			}
+			thisWindow.Close();
+		}
+
+        private static void CreateViews()
+		{
+			if(thisWindow == null)
+			{
+				GetCurrentWindow();
+			}
+
+			thisWindow.workView = new MA_TextureAtlasserProWorkView(thisWindow, "workView");
+			thisWindow.menuView = new MA_TextureAtlasserProMenuView(thisWindow, "menuView");
+			thisWindow.inspectorView = new MA_TextureAtlasserProInspectorView(thisWindow, "inspectorView");
+			thisWindow.debugView = new MA_TextureAtlasserProDebugView(thisWindow, "debugView");
+		}
+
+        private Event ProcessEvents()
+		{
+			Event e = Event.current;
+
+			return e;
+		}
+
+		[UnityEditor.Callbacks.DidReloadScripts]
+		private static void OnReload()
+		{
+			//Make sure that when the compiler is finished and reloads the scripts, we are waiting for the next Event.
+			isLoaded = false;
+		}
+
+        private void OnGUI()
+        {
+            //Check window
+			if(thisWindow == null)
+			{
+				GetCurrentWindow();
+				return;
+			}
+			
+			//Check views
+			if(workView == null || menuView == null || inspectorView == null || debugView == null)
+			{
+				CreateViews();
+				return;
+			}
+
+            //Get current event
+            Event e = ProcessEvents();
+
+            //Calculate view rects
+            Rect workViewRect = new Rect(position.width - position.width, position.height - position.height, position.width, position.height);
+			Rect debugViewRect = new Rect(position.width - MA_TextureAtlasserProUtils.VIEWOFFSET - 164, position.height - MA_TextureAtlasserProUtils.VIEWOFFSET - 22, 164, 22);
+            Rect menuViewRect = new Rect(MA_TextureAtlasserProUtils.VIEWOFFSET, MA_TextureAtlasserProUtils.VIEWOFFSET, position.width - (MA_TextureAtlasserProUtils.VIEWOFFSET * 2), 44);
+            Rect inspectorViewRect = new Rect(MA_TextureAtlasserProUtils.VIEWOFFSET, menuViewRect.y + menuViewRect.height + MA_TextureAtlasserProUtils.VIEWOFFSET, 164, position.height - menuViewRect.height - (MA_TextureAtlasserProUtils.VIEWOFFSET * 3));
+
+            //Draw views and windows in the right oder from back to front
+			if(isLoaded)
+			{			
+				workView.UpdateView(e, workViewRect);	
+				debugView.UpdateView(e, debugViewRect);	
+				inspectorView.UpdateView(e, inspectorViewRect);
+				menuView.UpdateView(e, menuViewRect);
+			}
+	
+			Repaint();
+
+			if(e.type == EventType.Repaint)
+				isLoaded = true;
+        }
+    }
+}

MA_ToolBox/MA_Utilities/EditorUtils/MA_EditorGridUtils.cs

@@ -0,0 +1,61 @@
+//Maxartz15
+//Version 1.0
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+
+namespace MA_Editor.Grid
+{
+	public static class Grid
+	{
+		public static void DrawGrid(Rect editorWorkRect, float gridSpacing, Color gridColor)
+		{
+			//Process grid spacing values
+			int widthDivs = Mathf.CeilToInt(editorWorkRect.width / gridSpacing);
+			int heightDivs = Mathf.CeilToInt(editorWorkRect.height / gridSpacing);
+
+			//Using handles
+			Handles.BeginGUI();
+			Handles.color = gridColor;
+
+			for (int x = 0; x < widthDivs; x++)
+			{
+				Handles.DrawLine(new Vector3(gridSpacing * x, 0, 0), new Vector3(gridSpacing * x, editorWorkRect.height, 0));
+			}
+
+			for (int y = 0; y < heightDivs; y++)
+			{
+				Handles.DrawLine(new Vector3(0, gridSpacing * y, 0), new Vector3(editorWorkRect.width, gridSpacing * y, 0));
+			}
+
+			Handles.color = Color.white;
+			Handles.EndGUI();
+		}
+
+		public static void DrawZoomableGrid(Rect editorWorkRect, float gridSpacing, Color gridColor, Vector2 zoomCoordsOrigin)
+		{
+			//Process grid spacing values
+			int widthDivs = Mathf.CeilToInt(editorWorkRect.width / gridSpacing);
+			int heightDivs = Mathf.CeilToInt(editorWorkRect.height / gridSpacing);
+
+			//Using handles
+			Handles.BeginGUI();
+			Handles.color = gridColor;
+
+			for (int x = 1; x < widthDivs; x++)
+			{
+				Handles.DrawLine(new Vector3(gridSpacing * x - zoomCoordsOrigin.x, -zoomCoordsOrigin.y, 0), new Vector3(gridSpacing * x - zoomCoordsOrigin.x, editorWorkRect.height - zoomCoordsOrigin.y, 0));
+			}
+
+			for (int y = 1; y < heightDivs; y++)
+			{
+				Handles.DrawLine(new Vector3(-zoomCoordsOrigin.x, gridSpacing * y - zoomCoordsOrigin.y, 0), new Vector3(editorWorkRect.width - zoomCoordsOrigin.x, gridSpacing * y - zoomCoordsOrigin.y, 0));
+			}
+
+			Handles.color = Color.white;
+			Handles.EndGUI();
+		}
+	}
+}

MA_ToolBox/MA_Utilities/EditorUtils/MA_EditorRectUtils.cs

@@ -0,0 +1,70 @@
+//Maxartz15
+//Version 1.0
+
+using UnityEngine;
+using MA_Editor;
+
+namespace MA_Editor.RectUtils
+{
+	public static class RectUtils
+	{
+		//Start			http://martinecker.com/martincodes/unity-editor-window-zooming/
+		public static Vector2 TopLeft(this Rect rect)
+		{
+			return new Vector2(rect.xMin, rect.yMin);
+		}
+
+		public static Rect ScaleSizeBy(this Rect rect, float scale)
+		{
+			return rect.ScaleSizeBy(scale, rect.center);
+		}
+
+		public static Rect ScaleSizeBy(this Rect rect, float scale, Vector2 pivotPoint)
+		{
+			Rect result = rect;
+			result.x -= pivotPoint.x;
+			result.y -= pivotPoint.y;
+			result.xMin *= scale;
+			result.xMax *= scale;
+			result.yMin *= scale;
+			result.yMax *= scale;
+			result.x += pivotPoint.x;
+			result.y += pivotPoint.y;
+			return result;
+		}
+
+		public static Rect ScaleSizeBy(this Rect rect, Vector2 scale)
+		{
+			return rect.ScaleSizeBy(scale, rect.center);
+		}
+		
+		public static Rect ScaleSizeBy(this Rect rect, Vector2 scale, Vector2 pivotPoint)
+		{
+			Rect result = rect;
+			result.x -= pivotPoint.x;
+			result.y -= pivotPoint.y;
+			result.xMin *= scale.x;
+			result.xMax *= scale.x;
+			result.yMin *= scale.y;
+			result.yMax *= scale.y;
+			result.x += pivotPoint.x;
+			result.y += pivotPoint.y;
+			return result;
+		}
+		//End			http://martinecker.com/martincodes/unity-editor-window-zooming/
+
+		public static Rect MultiplyRectSize(Rect rect, float amount)
+		{
+			Rect multipliedRect = new Rect(rect.x, rect.y, rect.width * amount, rect.height * amount);
+			return multipliedRect;
+		}
+
+		public static Rect MultiplyRectSizeAndCenter(Rect rect, float amount)
+		{
+			Rect multipliedRect = new Rect(rect.x, rect.y, rect.width * amount, rect.height * amount);
+			multipliedRect.x = -(multipliedRect.width / 2);
+			multipliedRect.y = -(multipliedRect.height / 2);
+			return multipliedRect;
+		}
+	}
+}

MA_ToolBox/MA_Utilities/EditorUtils/MA_EditorZoomUtils.cs

@@ -0,0 +1,39 @@
+//Maxartz15
+//Version 1.0
+
+using UnityEngine;
+using MA_Editor;
+using MA_Editor.RectUtils;
+
+namespace MA_Editor.GUILayoutZoom
+{
+	//http://martinecker.com/martincodes/unity-editor-window-zooming/
+	public class GUILayoutZoom
+	{
+		private const float EditorWindowTabHeight = 21.0f; //The height of the editor window top bar. (were the name, zoom and exit buttons are)
+		private static Matrix4x4 prevGuiMatrix;
+
+		public static Rect BeginArea(float zoomScale, Rect screenCoordsArea)
+		{
+			GUI.EndGroup();        // End the group Unity begins automatically for an EditorWindow to clip out the window tab. This allows us to draw outside of the size of the EditorWindow.
+
+			Rect clippedArea = screenCoordsArea.ScaleSizeBy(1.0f / zoomScale, screenCoordsArea.TopLeft());
+			clippedArea.y += EditorWindowTabHeight;
+			GUI.BeginGroup(clippedArea);
+
+			prevGuiMatrix = GUI.matrix;
+			Matrix4x4 translation = Matrix4x4.TRS(clippedArea.TopLeft(), Quaternion.identity, Vector3.one);
+			Matrix4x4 scale = Matrix4x4.Scale(new Vector3(zoomScale, zoomScale, 1.0f));
+			GUI.matrix = translation * scale * translation.inverse * GUI.matrix;
+
+			return clippedArea;
+		}
+
+		public static void EndArea()
+		{
+			GUI.matrix = prevGuiMatrix;
+			GUI.EndGroup();
+			GUI.BeginGroup(new Rect(0.0f, EditorWindowTabHeight, Screen.width, Screen.height));
+		}
+	}
+}

MA_ToolBox/MA_Utilities/MeshUtils/MA_MeshUtils.cs

@@ -0,0 +1,187 @@
+//Maxartz15
+//Version 1.0
+
+using System;
+using System.IO;
+using System.Text;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+
+namespace MA_Mesh
+{
+	public static class MA_MeshUtils
+	{
+		public static void MA_SaveMeshAsset(Mesh mesh, string savePath, string meshName = "")
+		{
+			Mesh newMesh = new Mesh();
+			newMesh.SetVertices(new List<Vector3>(mesh.vertices));
+			newMesh.SetTriangles(mesh.triangles, 0);
+			newMesh.SetUVs(0, new List<Vector2>(mesh.uv));
+
+			if(meshName == "")
+			{
+				newMesh.name = mesh.name;
+			}
+			else
+			{
+				newMesh.name = meshName;
+			}
+
+			AssetDatabase.CreateAsset(newMesh, savePath);
+			AssetDatabase.SaveAssets();
+		}
+
+		public static Mesh MA_DuplicateMesh(Mesh mesh)
+		{
+			Mesh newMesh = new Mesh();
+
+			newMesh.SetVertices(new List<Vector3>(mesh.vertices));
+			for (int i = 0; i < mesh.subMeshCount; i++)
+			{
+				newMesh.SetTriangles(mesh.GetTriangles(i), i);
+			}
+			newMesh.SetNormals(new List<Vector3>(mesh.normals));
+			newMesh.SetUVs(0, new List<Vector2>(mesh.uv));
+			newMesh.SetTangents(new List<Vector4>(mesh.tangents));
+
+			return newMesh;
+		}
+
+		public static Mesh MA_ReMapUV(this Mesh mesh, Vector2 atlasSize, Vector2 textureSize, Vector2 texturePosition, int uvChannel = 0)
+		{
+			/*
+			 0     1
+			512 x 512
+
+             0    .5 	= 1 / 512 * 256
+			256 x 256
+
+			+ pos
+			*/
+
+			List<Vector2> uvs = new List<Vector2>();
+			
+			//Get UV's
+			mesh.GetUVs(uvChannel, uvs);
+
+			foreach (Vector2 uvCordinate in uvs)
+			{
+				float x = (uvCordinate.x / atlasSize.x * textureSize.x) + texturePosition.x;
+				float y = (uvCordinate.y / atlasSize.y * textureSize.y) + texturePosition.y;
+				uvCordinate.Set(x, y);
+			}
+
+			mesh.SetUVs(uvChannel, uvs);
+
+			return mesh;
+		}
+
+		public static Mesh MA_UVReMap(this Mesh mesh, Vector2 atlasSize, Rect textureRect, int uvChannel = 0, bool flipY = true)
+		{
+			List<Vector2> uvs = new List<Vector2>();
+			
+			//Get UV's
+			mesh.GetUVs(uvChannel, uvs);
+
+			for (int i = 0; i < uvs.Count; i++)
+			{
+				if(flipY)
+				{
+					Debug.Log("01" + uvs[i].x);
+					uvs[i] = new Vector2((uvs[i].x / atlasSize.x * textureRect.width) + (1 / atlasSize.x * textureRect.x), (uvs[i].y / atlasSize.y * textureRect.height) + (1 / atlasSize.y * (atlasSize.y - textureRect.height - textureRect.y)));
+					Debug.Log("02" + uvs[i].x);
+				}
+				else
+				{			
+					Debug.Log("01" + uvs[i].x);
+					uvs[i] = new Vector2((uvs[i].x / atlasSize.x * textureRect.width) + (1 / atlasSize.x * textureRect.x), (uvs[i].y / atlasSize.y * textureRect.height) + (1 / atlasSize.y * textureRect.y));
+					Debug.Log("02" + uvs[i].x);
+				}
+			}
+
+			mesh.SetUVs(uvChannel, uvs);
+
+			return mesh;
+		}
+
+		//Start http://wiki.unity3d.com/index.php?title=ObjExporter
+		public static string MeshToString(Mesh mesh) 
+		{
+			int vertexOffset = 0;
+			int normalOffset = 0;
+			int uvOffset = 0;
+
+
+			Material material = new Material(Shader.Find("Standard"));
+	
+			StringBuilder sb = new StringBuilder();
+	
+			sb.Append("g ").Append(mesh.name).Append("\n");
+
+			foreach(Vector3 v in mesh.vertices) 
+			{
+				//This is sort of ugly - inverting x-component since we're in
+				//a different coordinate system than "everyone" is "used to".
+				sb.Append(string.Format("v {0} {1} {2}\n", -v.x, v.y, v.z));
+			}
+
+			sb.Append("\n");
+
+			foreach(Vector3 v in mesh.normals) 
+			{
+				sb.Append(string.Format("vn {0} {1} {2}\n", -v.x, v.y, v.z));
+			}
+
+			sb.Append("\n");
+
+			foreach(Vector3 v in mesh.uv) 
+			{
+				sb.Append(string.Format("vt {0} {1}\n", v.x, v.y));
+			}
+
+			for (int m = 0 ; m < mesh.subMeshCount; m++) 
+			{
+				sb.Append("\n");
+				sb.Append("usemtl ").Append(material.name + m).Append("\n");
+				sb.Append("usemap ").Append(material.name + m).Append("\n");
+	
+				// int[] triangles = mesh.GetTriangles(m);
+				// for (int i = 0; i < triangles.Length; i += 3)
+				// {
+				// 	sb.Append(string.Format("f {0}/{0}/{0} {1}/{1}/{1} {2}/{2}/{2}\n", triangles[i]+1, triangles[i+1]+1, triangles[i+2]+1));
+				// }
+
+				int[] triangles = mesh.GetTriangles(m);
+				for (int i = 0; i < triangles.Length; i += 3) 
+				{
+					//Because we inverted the x-component, we also needed to alter the triangle winding.
+					sb.Append(string.Format("f {1}/{1}/{1} {0}/{0}/{0} {2}/{2}/{2}\n", triangles[i]+  1 + vertexOffset, triangles[i + 1] + 1 + normalOffset, triangles[i +2 ] + 1 + uvOffset));
+				}
+			}
+
+			vertexOffset += mesh.vertices.Length;
+			normalOffset += mesh.normals.Length;
+			uvOffset += mesh.uv.Length;
+
+			return sb.ToString();
+		}
+ 
+		public static void MeshToFile(Mesh mesh, string filename, string savePath) 
+		{
+			using (StreamWriter sw = new StreamWriter(savePath + filename + ".obj")) 
+			{
+				sw.Write(MeshToString(mesh));
+				Debug.Log(savePath + filename);
+			}			
+		}
+		//End
+	}
+
+	struct ObjMaterial
+	{
+		public string name;
+		public string textureName;
+	}
+}

MA_ToolBox/MA_Utilities/TextureUtils/MA_TextureUtils.cs

@@ -0,0 +1,203 @@
+//Maxartz15
+//Version 1.0
+//Part of MA_TextureUtils
+//https://github.com/maxartz15/MA_TextureUtils
+
+using UnityEngine;
+using UnityEditor;
+using System.IO;
+using System.Collections;
+using System.Collections.Generic;
+
+//http://www.gamasutra.com/blogs/JoshSutphin/20131007/201829/Adding_to_Unitys_BuiltIn_Classes_Using_Extension_Methods.php
+//https://forum.unity3d.com/threads/contribution-texture2d-blur-in-c.185694/
+//http://orbcreation.com/orbcreation/page.orb?1180
+//https://support.unity3d.com/hc/en-us/articles/206486626-How-can-I-get-pixels-from-unreadable-textures-
+
+namespace MA_Texture
+{
+    public static class MA_TextureUtils
+    {
+        /// <summary>
+        /// Some base converters and texture settings setters.
+        /// </summary>
+
+        public static Texture ConvertToReadableTexture(Texture texture)
+        {
+            if (texture == null)
+                return texture;
+            // Create a temporary RenderTexture of the same size as the texture
+            RenderTexture tmp = RenderTexture.GetTemporary(
+                                texture.width,
+                                texture.height,
+                                0,
+                                RenderTextureFormat.Default,
+                                RenderTextureReadWrite.Linear);
+
+            // Blit the pixels on texture to the RenderTexture
+            Graphics.Blit(texture, tmp);
+
+            // Backup the currently set RenderTexture
+            RenderTexture previous = RenderTexture.active;
+
+            // Set the current RenderTexture to the temporary one we created
+            RenderTexture.active = tmp;
+
+            // Create a new readable Texture2D to copy the pixels to it
+            Texture2D myTexture2D = new Texture2D(texture.width, texture.width);
+
+            // Copy the pixels from the RenderTexture to the new Texture
+            myTexture2D.ReadPixels(new Rect(0, 0, tmp.width, tmp.height), 0, 0);
+            myTexture2D.Apply();
+
+            // Reset the active RenderTexture
+            RenderTexture.active = previous;
+
+            // Release the temporary RenderTexture
+            RenderTexture.ReleaseTemporary(tmp);
+            // "myTexture2D" now has the same pixels from "texture" and it's readable.
+
+            return myTexture2D;
+        }
+
+        #region Save
+        public static Texture2D MA_Save2D(this Texture2D texture, string textureName, string savePath)
+        {
+            if (!Directory.Exists(savePath))
+                Directory.CreateDirectory(savePath);
+
+            FileStream fs = new FileStream(savePath + "/" + textureName + ".png", FileMode.Create);
+            BinaryWriter bw = new BinaryWriter(fs);
+
+            bw.Write(texture.EncodeToPNG());
+            bw.Close();
+            fs.Close();
+
+            Debug.Log("Saved texture: " + texture.name);
+
+            AssetDatabase.Refresh();
+
+            return texture;
+        }
+
+        public static Texture MA_Save(this Texture texture, string name, string savePath)
+        {
+            Texture2D texture2D = (Texture2D)MA_TextureUtils.ConvertToReadableTexture(texture);
+
+            texture2D.MA_Save2D(name, savePath);
+
+            texture = texture2D;
+
+            return texture;
+        }
+        #endregion
+
+        #region Scale
+        public static Texture2D MA_Scale2D(this Texture2D texture, int newWidth, int newHeight)
+        {
+            Texture2D texture2D = new Texture2D(newWidth, newHeight);
+            float ratioWidth = texture.width / newWidth;
+            float ratioHeight = texture.height / newHeight;
+
+            for (int x = 0; x < texture.width; x++)
+            {
+                for (int y = 0; y < texture.height; y++)
+                {
+                    Color pixel = texture.GetPixel(x, y);
+                    int posX = Mathf.FloorToInt(x / ratioWidth);
+                    int posY = Mathf.FloorToInt(y / ratioHeight);
+                    texture2D.SetPixel(posX, posY, new Color(pixel.r, pixel.g, pixel.b, pixel.a));
+                }
+            }
+            texture2D.Apply();
+
+            return texture2D;
+        }
+
+        public static Texture MA_Scale(this Texture texture, int newWidth, int newHeight)
+        {
+            Texture2D texture2D = (Texture2D)MA_TextureUtils.ConvertToReadableTexture(texture);
+
+            texture2D.MA_Scale2D(newWidth, newHeight);
+
+            texture = texture2D;
+
+            return texture;
+        }
+
+        public static Texture2D MA_Scale22D(this Texture2D texture, float width, float height)
+        {
+            float ratioWidth = width / texture.width;
+            float ratioHeight = height / texture.height;
+
+            int newWidth = Mathf.RoundToInt(texture.width * ratioWidth);
+            int newHeight = Mathf.RoundToInt(texture.height * ratioHeight);
+
+            Texture2D newTexture = new Texture2D(newWidth, newHeight);
+
+            for (int x = 0; x < texture.width; x++)
+            {
+                for (int y = 0; y < texture.height; y++)
+                {
+                    Color pixel = texture.GetPixel(x, y);
+                    int posX = Mathf.RoundToInt(x * ratioWidth);
+                    int posY = Mathf.RoundToInt(y * ratioHeight);
+                    newTexture.SetPixel(posX, posY, new Color(pixel.r, pixel.g, pixel.b, pixel.a));
+                }
+            }
+
+            newTexture.name = texture.name;
+
+            newTexture.Apply();
+            return newTexture;
+        }
+
+        public static Texture MA_Scale2(this Texture texture, float newWidth, float newHeight)
+        {
+            Texture2D texture2D = (Texture2D)MA_TextureUtils.ConvertToReadableTexture(texture);
+
+            texture = texture2D.MA_Scale22D(newWidth, newHeight);
+
+            return texture;
+        }
+        #endregion
+
+        #region combine
+        public static Texture2D MA_Combine2D(this Texture2D texture, Texture2D combineTexture, int offsetX, int offsetY, bool flipY = true)
+        {
+            for (int x = 0; x < combineTexture.width; x++)
+            {
+                if(flipY)             
+                {
+                    //Y is 'flipped' because textures are made from left to right, bottom to top. We want to draw from left to right and top to bottom.
+                    for (int y = combineTexture.height; y > 0; y--)
+                    {
+                        texture.SetPixel(x + offsetX, texture.height - y - offsetY, combineTexture.GetPixel(x, texture.height - y));
+                    }
+                }
+                else
+                {
+                    for (int y = 0; y < combineTexture.height; y++)
+                    {
+                        texture.SetPixel(x + offsetX, y + offsetY, combineTexture.GetPixel(x, y));
+                    }
+                }
+            }
+
+            texture.Apply();
+
+            return texture;
+        }
+
+        public static Texture MA_Combine(this Texture texture, Texture combineTexture, int offsetX, int offsetY)
+        {
+            Texture2D texture2D = (Texture2D)MA_TextureUtils.ConvertToReadableTexture(texture);
+            Texture2D combineTexture2D = (Texture2D)MA_TextureUtils.ConvertToReadableTexture(texture);
+
+            texture = texture2D.MA_Combine2D(combineTexture2D, offsetX, offsetY);
+
+            return texture;
+        }
+        #endregion
+    }
+}