public static void Generate()
{
// generate code text
StringBuilder stringBuilder = new StringBuilder();
TextIndentHelper indent = TextIndentHelper.StandardSpacesHelper;
stringBuilder.Append("// This file was generated using Atlas, to re-generate use 'Atlas/Generate Layer File' from the Unity Editor toolbar\n");
stringBuilder.Append("// To change the destination folder or namespace for this file, use 'Edit/Preferences/Atlas'\n\n");
stringBuilder.AppendFormat("namespace {0}\n", ScriptingSettings.NamespaceName);
stringBuilder.Append("{\n");
indent.IndentLevel++;
stringBuilder.Append(indent.ApplyIndent("public static class Layer\n"));
stringBuilder.Append(indent.ApplyIndent("{\n"));
indent.IndentLevel++;
AppendClass(stringBuilder, "Name", indent, ( string layerName ) => { return(string.Format("\"{0}\"", layerName)); });
stringBuilder.Append("\n");
AppendClass(stringBuilder, "Index", indent, LayerMask.NameToLayer);
stringBuilder.Append("\n");
AppendClass(stringBuilder, "Mask", indent, ( string layerName ) => { return(1 << LayerMask.NameToLayer(layerName)); });
indent.IndentLevel--;
stringBuilder.Append(indent.ApplyIndent("}\n"));
indent.IndentLevel--;
stringBuilder.Append(indent.ApplyIndent("}"));
string fullPath = FullLayerFilePath;
// create directory if needed
if (Directory.Exists(fullPath) == false)
{
Directory.CreateDirectory(Path.GetDirectoryName(fullPath));
}
// save to file
using (StreamWriter writer = new StreamWriter(fullPath, false))
{
writer.Write(stringBuilder.ToString());
}
AssetDatabase.ImportAsset(string.Format("Assets/{0}", ProjectRelativeLayerFilePath), ImportAssetOptions.ForceUpdate);
Debug.LogFormat("Generated `Layer.cs` at `{0}`\nTo change the destination folder or namespace for this file, use 'Edit/Preferences/Atlas'",
ScriptingSettings.RuntimePath);
}
private static void AppendClass <TElement>(StringBuilder stringBuilder, string className, TextIndentHelper indent, Func <string, TElement> elementValueCallback)
{
Type elementType = typeof(TElement);
string[] layerNames = InternalEditorUtility.layers;
stringBuilder.AppendFormat("{0}public static class {1}\n", indent.Indent, className);
stringBuilder.Append(indent.ApplyIndent("{\n"));
indent.IndentLevel++;
for (int i = 0; i < layerNames.Length; i++)
{
string layerName = layerNames[i];
stringBuilder.AppendFormat("{0}public const {1} {2} = {3};\n", indent.Indent, elementType.GetPrimitiveName(), layerName.Replace(" ", string.Empty), elementValueCallback.Invoke(layerName));
}
indent.IndentLevel--;
stringBuilder.Append(indent.ApplyIndent("}\n"));
}