private void OnButtonDelete()
{
if (this.tilesetRecord.Tileset != null)
{
DeleteTilesetFlag flags = 0;
if (this.shouldDeleteAtlasTexture)
{
flags |= DeleteTilesetFlag.DeleteTexture;
}
if (this.shouldDeleteAtlasMaterial)
{
flags |= DeleteTilesetFlag.DeleteMaterial;
}
if (this.shouldDeleteMeshes)
{
flags |= DeleteTilesetFlag.DeleteMeshAssets;
}
BrushUtility.DeleteTileset(this.tilesetRecord.Tileset, flags);
}
this.Close();
}
/// <summary>
/// Delete tileset and associated assets.
/// </summary>
/// <remarks>
/// <para>Can only delete tileset assets of type <see cref="Tileset"/>
/// or <see cref="AutotileTileset"/>.</para>
/// </remarks>
/// <param name="tileset">The tileset.</param>
/// <param name="flags">Optional deletion flags.</param>
/// <exception cref="System.ArgumentNullException">
/// If <paramref name="tileset"/> is <c>null</c>.
/// </exception>
/// <exception cref="System.ArgumentException">
/// If attempting to delete an unsuported type of tileset.
/// </exception>
/// <exception cref="System.Exception">
/// If tileset record was not found for specified tileset.
/// </exception>
public static void DeleteTileset(Tileset tileset, DeleteTilesetFlag flags = 0)
{
if (tileset == null)
{
throw new ArgumentNullException("tileset");
}
Type tilesetType = tileset.GetType();
if (tilesetType != typeof(Tileset) && tilesetType != typeof(AutotileTileset))
{
throw new ArgumentException("This utility function cannot delete tileset of type '" + tilesetType.FullName + "'", "tileset");
}
var tilesetRecord = BrushDatabase.Instance.FindTilesetRecord(tileset);
if (tilesetRecord == null)
{
throw new Exception("Tileset record was not found for '" + tileset.name + "'");
}
var autotileTileset = tileset as AutotileTileset;
string assetPath = tilesetRecord.AssetPath;
string assetFolderPath = assetPath.Substring(0, assetPath.LastIndexOf("/"));
string assetFolderPathBase = assetFolderPath + "/";
int slashCount = assetFolderPathBase.CountSubstrings('/');
// Note: Only delete assets where:
// - Asset path begins with base path of tileset asset.
// - Asset path includes the same number of slashes (to avoid deleting
// those that are nested within folders).
// Delete associated texture?
if (autotileTileset != null && (flags & DeleteTilesetFlag.DeleteTexture) == DeleteTilesetFlag.DeleteTexture && autotileTileset.AtlasTexture != null)
{
string t = AssetDatabase.GetAssetPath(tileset.AtlasTexture);
if (t.StartsWith(assetFolderPathBase) && slashCount == t.CountSubstrings('/'))
{
AssetDatabase.DeleteAsset(t);
}
}
// Delete associated material?
if ((flags & DeleteTilesetFlag.DeleteMaterial) == DeleteTilesetFlag.DeleteMaterial && tileset.AtlasMaterial != null)
{
string t = AssetDatabase.GetAssetPath(tileset.AtlasMaterial);
if (t.StartsWith(assetFolderPathBase) && slashCount == t.CountSubstrings('/'))
{
AssetDatabase.DeleteAsset(t);
}
}
// Delete associated mesh assets?
if ((flags & DeleteTilesetFlag.DeleteMeshAssets) == DeleteTilesetFlag.DeleteMeshAssets && tileset.tileMeshAsset != null)
{
string t = AssetDatabase.GetAssetPath(tileset.tileMeshAsset);
if (t.StartsWith(assetFolderPathBase) && slashCount == t.CountSubstrings('/'))
{
AssetDatabase.DeleteAsset(t);
}
}
// Delete tileset and contained brush assets.
AssetDatabase.DeleteAsset(assetPath);
// Delete tileset folder if it is empty.
if (IsDirectoryEmpty(Directory.GetCurrentDirectory() + "/" + assetFolderPath))
{
AssetDatabase.DeleteAsset(assetFolderPath);
}
ToolUtility.RepaintBrushPalette();
DesignerWindow.RepaintWindow();
}