public static string[] ExportAtlasTextures(MA_TextureAtlasserProAtlas atlas, TextureExportSettings textureExportSettings, string savePath = EXPORT_ASSET_PATH, string tempPath = TEXTURE_ATLASSER_PATH)
{
switch (textureExportSettings.textureFormat)
{
case TextureFormat.None:
break;
case TextureFormat.Png:
return(ExportAtlasPNG(atlas, textureExportSettings, savePath));
default:
break;
}
return(null);
}
private static void SetAtlasSpriteSettings(MA_TextureAtlasserProAtlas atlas, TextureExportSettings textureExportSettings, string savePath = EXPORT_ASSET_PATH)
{
//Foreach texture group
for (int i = 0; i < atlas.textureGroupRegistration.Count; i++)
{
//Convert
string textureName = atlas.name + "_" + atlas.textureGroupRegistration[i].name + '.' + textureExportSettings.textureFormat.ToString();
TextureImporter textureImporter = (TextureImporter)AssetImporter.GetAtPath(savePath + textureName);
textureImporter.textureType = TextureImporterType.Sprite;
textureImporter.alphaIsTransparency = true;
//Slice sprites.
if (textureExportSettings.textureType == TextureType.SpriteSliced)
{
textureImporter.spriteImportMode = SpriteImportMode.None; //Reset it to update?
textureImporter.spriteImportMode = SpriteImportMode.Multiple;
List <SpriteMetaData> spriteMetaData = new List <SpriteMetaData>();
foreach (MA_TextureAtlasserProQuad q in atlas.textureQuads)
{
if (q.textureGroups != null && q.textureGroups[i].texture != null)
{
//Create new SpriteMetaData.
SpriteMetaData smd = new SpriteMetaData
{
name = q.name,
rect = new Rect(q.guiRect.x, atlas.textureAtlasSize.y - q.guiRect.y - q.guiRect.height, q.guiRect.width, q.guiRect.height)
};
spriteMetaData.Add(smd);
}
}
textureImporter.spritesheet = spriteMetaData.ToArray();
}
else
{
textureImporter.spriteImportMode = SpriteImportMode.Single;
}
textureImporter.SaveAndReimport();
}
}
private static string[] ExportAtlasPNG(MA_TextureAtlasserProAtlas atlas, TextureExportSettings textureExportSettings, string savePath = EXPORT_ASSET_PATH, string tempPath = TEMP_ASSET_PATH)
{
if (atlas == null || atlas.textureQuads == null || atlas.textureGroupRegistration == null)
{
return(null);
}
string[] assetPaths = new string[atlas.textureGroupRegistration.Count];
//Create temp folder
CreateFolder(tempPath);
//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)
{
name = atlas.name + "_" + atlas.textureGroupRegistration[i].name
};
foreach (MA_TextureAtlasserProQuad q in atlas.textureQuads)
{
if (q.textureGroups != null && q.textureGroups[i].texture != null)
{
//Make temp copy
string orginalTexturePath = AssetDatabase.GetAssetPath(q.textureGroups[i].texture);
string orginalTextureExtension = System.IO.Path.GetExtension(orginalTexturePath);
string tempTexturePath = tempPath + q.textureGroups[i].texture.name + orginalTextureExtension;
AssetDatabase.CopyAsset(orginalTexturePath, tempTexturePath);
//Set temp copy to default settings
TextureImporter tempTextureImporter = (TextureImporter)AssetImporter.GetAtPath(tempTexturePath);
tempTextureImporter.textureType = TextureImporterType.Default;
tempTextureImporter.sRGBTexture = false;
tempTextureImporter.alphaIsTransparency = false;
tempTextureImporter.maxTextureSize = (int)Mathf.Max(atlas.textureAtlasSize.x, atlas.textureAtlasSize.y);
tempTextureImporter.textureCompression = TextureImporterCompression.Uncompressed;
tempTextureImporter.SaveAndReimport();
//Load temp copy
Texture tempCopy = AssetDatabase.LoadAssetAtPath <Texture>(tempTextureImporter.assetPath);
//Create new texture part
Texture2D newTexturePart = (Texture2D)MA_TextureUtils.ConvertToReadableTexture(tempCopy);
//Scale it
newTexturePart = newTexturePart.MA_Scale2D((int)q.guiRect.width, (int)q.guiRect.height, textureExportSettings.textureScaleMode);
//Add it
newTexture = newTexture.MA_Combine2D(newTexturePart, (int)q.guiRect.x, (int)q.guiRect.y);
//Delete temp copy
AssetDatabase.DeleteAsset(tempTextureImporter.assetPath);
}
}
//Save it
newTexture.MA_Save2D(newTexture.name, savePath);
assetPaths[i] = (savePath + newTexture.name + '.' + textureExportSettings.textureFormat.ToString());
//Set settings.
switch (textureExportSettings.textureType)
{
case TextureType.Default:
{
TextureImporter textureImporter = (TextureImporter)AssetImporter.GetAtPath(savePath + newTexture.name + '.' + textureExportSettings.textureFormat.ToString());
textureImporter.textureType = TextureImporterType.Default;
textureImporter.SaveAndReimport();
}
break;
case TextureType.Sprite:
SetAtlasSpriteSettings(atlas, textureExportSettings, savePath);
break;
case TextureType.SpriteSliced:
SetAtlasSpriteSettings(atlas, textureExportSettings, savePath);
break;
default:
break;
}
}
//Delete temp folder
DeleteFolder(tempPath);
//Refresh
AssetDatabase.Refresh();
return(assetPaths);
}