public void Transcode()
{
if (this.Transcoder == null)
{
throw new System.NotImplementedException("StoryImporter.Transcoder must be set by the importer implementation.");
}
this.Metadata = this.Transcoder.GetMetadata();
// Load macro types
Macros = new Dictionary <string, MacroDef>(StringComparer.OrdinalIgnoreCase);
MacroLibs = new HashSet <MacroLib>(LoadMacrosInto(Macros, this.Metadata.StoryBaseType));
this.Transcoder.Init();
for (int i = 0; i < this.Passages.Count; i++)
{
CurrentPassage = this.Passages[i];
CurrentPassage.Tags = Regex.Replace(CurrentPassage.Tags, @"([^\s]+)", "\"$&\",");
try
{
CurrentPassage.Code = this.Transcoder.PassageToCode(CurrentPassage);
}
catch (StoryFormatTranscodeException ex)
{
ex.Passage = CurrentPassage.Name;
throw;
}
}
}
static void OnPostprocessAllAssets(
string[] importedAssets,
string[] deletedAssets,
string[] movedAssets,
string[] movedFromAssetPaths)
{
foreach (string assetPath in importedAssets)
{
// ======================================
// Choose the importer for this file type
string ext = Path.GetExtension(assetPath).ToLower();
if (string.IsNullOrEmpty(ext))
{
continue;
}
// Get the right importer for this type
ext = ext.Substring(1);
StoryImporter importer = null;
Type importerType;
if (!ImporterTypes.TryGetValue(ext, out importerType))
{
continue;
}
importer = (StoryImporter)Activator.CreateInstance(importerType);
importer.AssetPath = assetPath;
// ======================================
// Validate the file
// Check that the file is relevant
if (!importer.IsAssetRelevant())
{
return;
}
// Check that the story name is valid
string fileNameExt = Path.GetFileName(assetPath);
string fileName = Path.GetFileNameWithoutExtension(assetPath);
string storyName = NameSanitizer.Replace(fileName, string.Empty);
if (storyName != fileName)
{
Debug.LogErrorFormat("The story cannot be imported because \"{0}\" is not a valid Unity script name.", fileName);
continue;
}
// ======================================
// Initialize the importer - load data and choose transcoder
try
{
importer.Initialize();
}
catch (StoryImportException ex)
{
Debug.LogErrorFormat("Story import failed: {0} ({1})", ex.Message, fileNameExt);
continue;
}
// ======================================
// Run the transcoder
try
{
importer.Transcode();
}
catch (StoryFormatTranscodeException ex)
{
Debug.LogErrorFormat("Story format transcoding failed at passage {0}: {1} ({2})", ex.Passage, ex.Message, fileNameExt);
continue;
}
// ======================================
// Generate code
StoryFormatMetadata storyFormatMetadata = importer.Metadata;
TemplatePassageData[] passageData = importer.Passages.Select(p => new TemplatePassageData()
{
Pid = p.Pid,
Name = p.Name.Replace("\"", "\"\""),
Tags = p.Tags,
Code = p.Code.Main.Split(new string[] { Environment.NewLine }, StringSplitOptions.None),
Fragments = p.Code.Fragments.Select((frag, i) => new TemplatePassageFragment()
{
Pid = p.Pid,
FragId = i,
Code = frag.Split(new string[] { Environment.NewLine }, StringSplitOptions.None)
}).ToArray()
}).ToArray();
// Get template file from this editor script's directory
string output = Nustache.Core.Render.FileToString(
EditorFileUtil.FindFile("Story.template"),
new Dictionary <string, object>()
{
{ "version", System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString() },
{ "originalFile", Path.GetFileName(assetPath) },
{ "storyFormatName", storyFormatMetadata.StoryFormatName },
{ "storyFormatNamespace", storyFormatMetadata.StoryBaseType.Namespace },
{ "storyFormatClass", storyFormatMetadata.StoryBaseType.FullName },
{ "storyName", storyName },
{ "startPassage", storyFormatMetadata.StartPassage ?? "Start" },
{ "vars", importer.Vars },
{ "macroLibs", importer.MacroLibs },
{ "strictMode", storyFormatMetadata.StrictMode ? "true" : "false" },
{ "passages", passageData }
}
);
// ======================================
// Compile
// Unity bug fix: This environment variable is not set on Mac for some reason - https://github.com/AngryAnt/Behave-release/issues/21
if (Application.platform == RuntimePlatform.OSXEditor)
{
string monoBinPath = Path.Combine(EditorApplication.applicationContentsPath, "Frameworks/Mono/bin");
// Unity 5.4 and up
if (!Directory.Exists(monoBinPath))
{
monoBinPath = Path.Combine(EditorApplication.applicationContentsPath, "Mono/bin");
}
// Huh?
if (!Directory.Exists(monoBinPath))
{
Debug.LogError("For some reason I can't find the Mono directory inside Unity.app. Please open an issue on github.com/daterre/Cradle");
}
Environment.SetEnvironmentVariable("PATH", string.Format("{0}:{1}",
Environment.GetEnvironmentVariable("PATH"),
monoBinPath
));
}
// Detect syntax errors
var compilerSettings = new CompilerParameters()
{
GenerateInMemory = true,
GenerateExecutable = false
};
foreach (Assembly assembly in AppDomain.CurrentDomain.GetAssemblies())
{
if (!string.IsNullOrEmpty(assembly.Location))
{
compilerSettings.ReferencedAssemblies.Add(assembly.Location);
}
}
var results = new CSharpCodeProvider().CompileAssemblyFromSource(compilerSettings, output);
if (results.Errors.Count > 0)
{
int errorLineOffset = Application.platform == RuntimePlatform.OSXEditor ? 3 : 4;
bool errors = false;
for (int i = 0; i < results.Errors.Count; i++)
{
CompilerError error = results.Errors[i];
switch (error.ErrorNumber)
{
//case "CS0246":
case "CS0103":
case "":
continue;
// Single quotes instead of double quotes
case "CS1012":
error.ErrorText = "Strings must use \"double-quotes\", not 'single-quotes'.";
break;
// Double var accessor
case "CS1612":
error.ErrorText = "Can't set a nested property directly like that. Use a temporary variable in-between.";
break;
}
// Error only if not a warning
errors |= !error.IsWarning;
try
{
// Get some compilation metadata - relies on the template using the #frag# token
string[] errorDirective = error.FileName.Split(new string[] { "#frag#" }, StringSplitOptions.None);
string errorPassage = errorDirective[0];
int errorFragment = errorDirective.Length > 1 ? int.Parse(errorDirective[1]) : -1;
TemplatePassageData passage = passageData.Where(p => p.Name == errorPassage).FirstOrDefault();
string lineCode = passage == null || error.Line < errorLineOffset ? "(code not available)" : errorFragment >= 0 ?
passage.Fragments[errorFragment].Code[error.Line - errorLineOffset] :
passage.Code[error.Line - errorLineOffset];
if (error.IsWarning)
{
Debug.LogWarningFormat("Story compilation warning at passage '{0}': {1}\n\n\t{2}\n",
errorPassage,
error.ErrorText,
lineCode
);
}
else
{
Debug.LogErrorFormat("Story compilation error at passage '{0}': {1}\n\n\t{2}\n",
errorPassage,
error.ErrorText,
lineCode
);
}
}
catch
{
if (error.IsWarning)
{
Debug.LogWarningFormat("Story compilation warning: {0}\n",
error.ErrorText
);
}
else
{
Debug.LogErrorFormat("Story compilation error: {0}\n",
error.ErrorText
);
}
}
}
if (errors)
{
Debug.LogErrorFormat("The story {0} has some errors and can't be imported (see console for details).",
Path.GetFileName(assetPath)
);
continue;
}
}
// Remove custom line directives so they won't interfere with debugging the final script
output = Regex.Replace(output, @"^\s*\#line\b.*$", string.Empty, RegexOptions.Multiline);
// Passed syntax check, save to file
string csFile = Path.Combine(Path.GetDirectoryName(assetPath), Path.GetFileNameWithoutExtension(assetPath) + ".cs");
File.WriteAllText(csFile, output, Encoding.UTF8);
// Need to do it twice - on the second time it compiles the script
// http://answers.unity3d.com/questions/14367/how-can-i-wait-for-unity-to-recompile-during-the-e.html
AssetDatabase.ImportAsset(csFile, ImportAssetOptions.ForceSynchronousImport);
AssetDatabase.ImportAsset(csFile, ImportAssetOptions.ForceSynchronousImport);
// ======================================
// Organize the assets
#region Disabled prefab creation because the story class can't be added during this asset import
/*
* // Find the story class
* string projectDir = Directory.GetParent((Path.GetFullPath(Application.dataPath))).FullName;
* Type storyClass = null;
* foreach (Assembly assembly in AppDomain.CurrentDomain.GetAssemblies())
* {
* // Skip references external to the project
* if (!string.IsNullOrEmpty(assembly.Location) && !Path.GetFullPath(assembly.Location).StartsWith(projectDir, StringComparison.OrdinalIgnoreCase))
* continue;
* foreach (Type type in assembly.GetTypes())
* {
* if (type.Name == storyName)
* {
* storyClass = type;
* break;
* }
* }
*
* if (storyClass != null)
* break;
* }
*
* if (storyClass == null)
* {
* Debug.LogWarning("UnityTwine successfully imported the story, but a prefab couldn't be made for you. Sorry :(");
* continue;
* }
*
* // Create a prefab
* var prefab = new GameObject();
* prefab.name = storyName;
* prefab.AddComponent(storyClass);
*
* PrefabUtility.CreatePrefab(Path.Combine(Path.GetDirectoryName(assetPath), Path.GetFileNameWithoutExtension(assetPath) + ".prefab"), prefab, ReplacePrefabOptions.Default);
*/
#endregion
}
}