public static void CreateHumanIcon()
{
ScriptableIcon asset = ScriptableObject.CreateInstance <ScriptableIcon>();
AssetDatabase.CreateAsset(asset, "Assets/Resources/NewScriptableObject.asset");
AssetDatabase.SaveAssets();
EditorUtility.FocusProjectWindow();
Selection.activeObject = asset;
}
public void ShouldSetListenerIconForAsset()
{
var asset = CreateAsset();
var icon = new ScriptableIcon(ScriptableIconType.Listener);
Assert.True(IconUtils.TrySetIcon(asset, icon));
var metaText = File.ReadAllText(AssetMetaPath);
var iconGuid = GetIconGuid("IconListener");
var iconMetaText = GetIconMetaText(iconGuid);
Assert.True(metaText.Contains(iconMetaText));
}
private static GUID GetIconGuid(ScriptableIcon icon)
{
var iconType = icon.Type;
var iconPath = iconType switch
{
ScriptableIconType.Event => IconPathEvent,
ScriptableIconType.Listener => IconPathListener,
_ => string.Empty
};
if (iconPath == string.Empty)
{
return(new GUID());
}
return(AssetDatabase.GUIDFromAssetPath(iconPath));
}
/// <summary>
/// Attempt to set an icon on the given object.
/// </summary>
internal static bool TrySetIcon(Object obj, ScriptableIcon icon)
{
var iconGuid = GetIconGuid(icon);
if (iconGuid.Empty())
{
return(false);
}
var metaFilePath = GetMetaFilePath(obj);
if (string.IsNullOrWhiteSpace(metaFilePath))
{
return(false);
}
var metaFileLines = File.ReadAllLines(metaFilePath);
var iconGuidString = iconGuid.ToString();
var iconMeta = GetIconMetaString(iconGuidString);
var isContainsMonoImporter = false;
for (var index = 0; index < metaFileLines.Length; index++)
{
var metaFileLine = metaFileLines[index];
if (!isContainsMonoImporter && metaFileLine.Contains("MonoImporter:"))
{
isContainsMonoImporter = true;
}
if (IsIconMetaString(metaFileLine))
{
if (metaFileLine.Contains(iconGuidString))
{
// Icon already set.
return(false);
}
metaFileLines[index] = iconMeta;
File.WriteAllLines(metaFilePath, metaFileLines);
// Icon successfully set.
return(true);
}
}
// "icon:" line did not exist in the .meta file.
if (isContainsMonoImporter)
{
// Unsupported .meta file format.
return(false);
}
var customMonoImporter = GetMonoImporterString(iconGuidString);
File.AppendAllText(metaFilePath, Environment.NewLine + customMonoImporter);
// Meta file successfully updated with the new icon.
return(true);
}
