private static string SliceSprite(string asset)
{
var directoryName = Path.GetFileName(Path.GetDirectoryName(asset));
var directoryPath = Path.Combine(EditorUtil.GetBaumSpritesPath(), directoryName);
var fileName = Path.GetFileName(asset);
var noSlice = fileName.EndsWith("-noslice.png", StringComparison.Ordinal);
fileName = fileName.Replace("-noslice.png", ".png");
var newPath = Path.Combine(directoryPath, fileName);
var texture = AssetDatabase.LoadAssetAtPath <Texture2D>(asset);
var slicedTexture = new SlicedTexture(texture, new Boarder(0, 0, 0, 0));
if (!noSlice)
{
slicedTexture = TextureSlicer.Slice(texture);
}
if (PreprocessTexture.SlicedTextures == null)
{
PreprocessTexture.SlicedTextures = new Dictionary <string, SlicedTexture>();
}
PreprocessTexture.SlicedTextures[fileName] = slicedTexture;
byte[] pngData = slicedTexture.Texture.EncodeToPNG();
File.WriteAllBytes(newPath, pngData);
if (!noSlice)
{
Object.DestroyImmediate(slicedTexture.Texture);
}
// Debug.LogFormat("[Baum2] Slice: {0} -> {1}", EditorUtil.ToUnityPath(asset), EditorUtil.ToUnityPath(newPath));
return(EditorUtil.ToUnityPath(newPath));
}
private static string CheckWriteSpriteFromTexture(string writeSpritePath, Texture2D texture, Boarder boarder)
{
if (texture == null)
{
Debug.LogError($"textureがNullです CheckWriteTexture({writeSpritePath})");
return($"error {writeSpritePath} is null");
}
var pngHash = texture.imageContentsHash;
var writeFolder = Path.GetDirectoryName(writeSpritePath);
// HashMapキャッシュファイルを作成のために
// - \を/にする
// - 相対パスである
writeSpritePath = writeSpritePath.Replace("\\", "/");
LoadCache(writeFolder);
var hashStr = pngHash.ToString();
// ハッシュが同じテクスチャがある Shareする
if (imageHashMap.ContainsKey(hashStr))
{
var path = imageHashMap[hashStr];
if (File.Exists(path))
{
// Debug.Log("shared texture " + Path.GetFileName(newPath) + "==" + Path.GetFileName(name));
imagePathMap[writeSpritePath] = path;
SaveCache(writeFolder);
return("Texture: Shared");
}
// ファイルが存在しない
imageHashMap.Remove(hashStr); // hashStrの登録を削除
var deleteList = imageHashMap
.Where(kvp => kvp.Key == path || kvp.Value == path) // 存在しないファイルを参照している
.Select(kvp => kvp.Key)
.ToList();
foreach (var key in deleteList)
{
imagePathMap.Remove(key);
}
}
// ハッシュからのパスを登録
imageHashMap[hashStr] = writeSpritePath;
// 置き換え対象のパスを登録
imagePathMap[writeSpritePath] = writeSpritePath;
// のちのUnity PreprocessTextureの処理への情報受け渡し
// （PNGインポートでスプライトを作成するUnityのイベント）
var slicedTexture = new SlicedTexture(texture, boarder);
PreprocessTexture.SlicedTextures[writeSpritePath] = slicedTexture;
try
{
// 本来はフォルダを作成しなくても良いはず
EditorUtil.CreateFolder(Path.GetDirectoryName(writeSpritePath));
// PNG での保存 （多プラットフォームに対応しやすい）
var pngData = ImageConversion.EncodeToPNG(texture);
File.WriteAllBytes(writeSpritePath, pngData);
// spriteでの保存
/*
* var sprite = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height),
* new Vector2(0.5f, 0.5f));
* AssetDatabase.CreateAsset(sprite, Path.ChangeExtension(writeSpritePath, "asset"));
*/
SaveCache(writeFolder);
}
catch (Exception ex)
{
Debug.LogAssertion($"Textureの書き込み中に例外が発生しました:{ex.Message}");
}
return("Texture: Created");
}
public static string SliceSprite(string assetPath)
{
var directoryName = Path.GetFileName(Path.GetDirectoryName(assetPath));
var directoryPath = Path.Combine(EditorUtil.GetOutputSpritesPath(), directoryName);
var fileName = Path.GetFileName(assetPath);
// PNGを読み込み、同じサイズのTextureを作成する
var texture = CreateReadableTexture2D(CreateTextureFromPng(assetPath));
// LoadAssetAtPathをつかったテクスチャ読み込み サイズが2のべき乗になる JPGも読める
//var texture = CreateReadabeTexture2D(AssetDatabase.LoadAssetAtPath<Texture2D>(asset));
if (PreprocessTexture.SlicedTextures == null)
{
PreprocessTexture.SlicedTextures = new Dictionary <string, SlicedTexture>();
}
var noSlice = fileName.EndsWith("-noslice.png", StringComparison.Ordinal);
if (noSlice)
{
var slicedTexture = new SlicedTexture(texture, new Boarder(0, 0, 0, 0));
fileName = fileName.Replace("-noslice.png", ".png");
var newPath = Path.Combine(directoryPath, fileName);
PreprocessTexture.SlicedTextures[fileName] = slicedTexture;
var pngData = texture.EncodeToPNG();
var imageHash = texture.imageContentsHash;
Object.DestroyImmediate(slicedTexture.Texture);
return(CheckWrite(newPath, pngData, imageHash));
}
const string pattern = "-9slice,([0-9]+)px,([0-9]+)px,([0-9]+)px,([0-9]+)px\\.png";
var matches = Regex.Match(fileName, pattern);
if (matches.Length > 0)
{
// 上・右・下・左の端から内側へのオフセット量
var top = Int32.Parse(matches.Groups[1].Value);
var right = Int32.Parse(matches.Groups[2].Value);
var bottom = Int32.Parse(matches.Groups[3].Value);
var left = Int32.Parse(matches.Groups[4].Value);
var slicedTexture = new SlicedTexture(texture, new Boarder(left, bottom, right, top));
fileName = Regex.Replace(fileName, pattern, ".png");
var newPath = Path.Combine(directoryPath, fileName);
PreprocessTexture.SlicedTextures[fileName] = slicedTexture;
var pngData = texture.EncodeToPNG();
var imageHash = texture.imageContentsHash;
Object.DestroyImmediate(slicedTexture.Texture);
return(CheckWrite(newPath, pngData, imageHash));
}
{
var slicedTexture = TextureSlicer.Slice(texture);
var newPath = Path.Combine(directoryPath, fileName);
PreprocessTexture.SlicedTextures[fileName] = slicedTexture;
var pngData = slicedTexture.Texture.EncodeToPNG();
var imageHash = texture.imageContentsHash;
Object.DestroyImmediate(slicedTexture.Texture);
return(CheckWrite(newPath, pngData, imageHash));
}
// Debug.LogFormat("[XdUnityUI] Slice: {0} -> {1}", EditorUtil.ToUnityPath(asset), EditorUtil.ToUnityPath(newPath));
}
