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TextureAtlasSlicer.cs
using System;
using System.Collections.Generic;
using System.Xml;
using UnityEditor;
using UnityEngine;
public class TextureAtlasSlicer : EditorWindow {
[MenuItem("CONTEXT/TextureImporter/Slice Sprite Using XML")]
public static void SliceUsingXML(MenuCommand command)
{
TextureImporter textureImporter = command.context as TextureImporter;
TextureAtlasSlicer window = ScriptableObject.CreateInstance<TextureAtlasSlicer>();
window.importer = textureImporter;
window.ShowUtility();
}
[MenuItem("CONTEXT/TextureImporter/Slice Sprite Using XML", true)]
public static bool ValidateSliceUsingXML(MenuCommand command)
{
TextureImporter textureImporter = command.context as TextureImporter;
//valid only if the texture type is 'sprite' or 'advanced'.
return textureImporter && textureImporter.textureType == TextureImporterType.Sprite ||
textureImporter.textureType == TextureImporterType.Advanced;
}
public TextureImporter importer;
public TextureAtlasSlicer()
{
title = "Texture Atlas Slicer";
}
[SerializeField] private TextAsset xmlAsset;
public SpriteAlignment spriteAlignment = SpriteAlignment.Center;
public Vector2 customOffset = new Vector2(0.5f, 0.5f);
public void OnGUI() {
xmlAsset = EditorGUILayout.ObjectField("XML Source", xmlAsset, typeof (TextAsset), false) as TextAsset;
spriteAlignment = (SpriteAlignment) EditorGUILayout.EnumPopup("Pivot", spriteAlignment);
bool enabled = GUI.enabled;
if (spriteAlignment != SpriteAlignment.Custom) {
GUI.enabled = false;
}
EditorGUILayout.Vector2Field("Custom Offset", customOffset);
GUI.enabled = enabled;
if (xmlAsset == null) {
GUI.enabled = false;
}
if (GUILayout.Button("Slice")) {
PerformSlice();
}
GUI.enabled = enabled;
}
private void PerformSlice()
{
XmlDocument document = new XmlDocument();
document.LoadXml(xmlAsset.text);
XmlElement root = document.DocumentElement;
if (root.Name == "TextureAtlas") {
bool failed = false;
Texture2D texture = AssetDatabase.LoadMainAssetAtPath(importer.assetPath) as Texture2D;
int textureHeight = texture.height;
List<SpriteMetaData> metaDataList = new List<SpriteMetaData>();
foreach (XmlNode childNode in root.ChildNodes)
{
if (childNode.Name == "SubTexture") {
try {
int width = Convert.ToInt32(childNode.Attributes["width"].Value);
int height = Convert.ToInt32(childNode.Attributes["height"].Value);
int x = Convert.ToInt32(childNode.Attributes["x"].Value);
int y = textureHeight - (height + Convert.ToInt32(childNode.Attributes["y"].Value));
SpriteMetaData spriteMetaData = new SpriteMetaData
{
alignment = (int)spriteAlignment,
border = new Vector4(),
name = childNode.Attributes["name"].Value,
pivot = GetPivotValue(spriteAlignment, customOffset),
rect = new Rect(x, y, width, height)
};
metaDataList.Add(spriteMetaData);
}
catch (Exception exception) {
failed = true;
Debug.LogException(exception);
}
}
else
{
Debug.LogError("Child nodes should be named 'SubTexture' !");
failed = true;
}
}
if (!failed) {
importer.spriteImportMode = SpriteImportMode.Multiple;
importer.spritesheet = metaDataList.ToArray();
EditorUtility.SetDirty(importer);
try
{
AssetDatabase.StartAssetEditing();
AssetDatabase.ImportAsset(importer.assetPath);
}
finally
{
AssetDatabase.StopAssetEditing();
Close();
}
}
}
else
{
Debug.LogError("XML needs to have a 'TextureAtlas' root node!");
}
}
//SpriteEditorUtility
public static Vector2 GetPivotValue(SpriteAlignment alignment, Vector2 customOffset)
{
switch (alignment)
{
case SpriteAlignment.Center:
return new Vector2(0.5f, 0.5f);
case SpriteAlignment.TopLeft:
return new Vector2(0.0f, 1f);
case SpriteAlignment.TopCenter:
return new Vector2(0.5f, 1f);
case SpriteAlignment.TopRight:
return new Vector2(1f, 1f);
case SpriteAlignment.LeftCenter:
return new Vector2(0.0f, 0.5f);
case SpriteAlignment.RightCenter:
return new Vector2(1f, 0.5f);
case SpriteAlignment.BottomLeft:
return new Vector2(0.0f, 0.0f);
case SpriteAlignment.BottomCenter:
return new Vector2(0.5f, 0.0f);
case SpriteAlignment.BottomRight:
return new Vector2(1f, 0.0f);
case SpriteAlignment.Custom:
return customOffset;
default:
return Vector2.zero;
}
}
}
@andrejeller

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@andrejeller andrejeller commented Apr 24, 2017

In this part unity was saying the use of "title"(1) is obsolete, so i changed to "titleContent.text"(2).

public TextureAtlasSlicer() {
// title = "Texture Atlas Slicer"; (1)
titleContent.text = "Texture Atlas Slicer"; (2)
}

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