private void UpdateEmbeddedSprites(List <Sprite> newSprites)
{
for (int i = SpritesProperty.arraySize - 1; i >= 0; i--)
{
var oldSprite = SpritesProperty.GetArrayElementAtIndex(i).objectReferenceValue as Sprite;
if (!oldSprite)
{
continue;
}
if (newSprites.Find(s => s.name == oldSprite.name) is Sprite newSprite)
{
EditorUtility.CopySerialized(newSprite, oldSprite);
newSprites.Remove(newSprite);
}
else
{
UnityEngine.Object.DestroyImmediate(oldSprite, true);
}
}
AssetDatabase.SaveAssets();
}
private void UpdateCompressionRatio(IEnumerable <SourceTexture> sourceTextures, IEnumerable <AtlasTexture> atlasTextures)
{
var sourceSize = sourceTextures.Sum(t => GetAssetSize(t.Texture));
var atlasSize = atlasTextures.Sum(t => GetAssetSize(t.Texture));
var dataSize = GetDataSize();
var ratio = sourceSize / (float)(atlasSize + dataSize);
var color = ratio > 2 ? EditorGUIUtility.isProSkin ? "lime" : "green" : ratio > 1 ? "yellow" : "red";
LastRatioValueProperty.stringValue = $"{sourceSize} KB / ({atlasSize} KB + {dataSize} KB) = <color={color}>{ratio:F2}</color>";
serializedObject.ApplyModifiedProperties();
AssetDatabase.SaveAssets();
long GetDataSize()
{
var size = GetAssetSize(target);
if (DecoupleSpriteData)
{
for (int i = SpritesProperty.arraySize - 1; i >= 0; i--)
{
size += GetAssetSize(SpritesProperty.GetArrayElementAtIndex(i).objectReferenceValue);
}
}
return(size / (EditorSettings.serializationMode == SerializationMode.ForceText ? 2 : 1));
}
long GetAssetSize(UnityEngine.Object asset)
{
var assetPath = AssetDatabase.GetAssetPath(asset);
if (!File.Exists(assetPath))
{
return(0);
}
return(new FileInfo(assetPath).Length / 1024);
}
}
