private async void DecompileCode(UndertaleCode code)
{
LoaderDialog dialog = new LoaderDialog("Decompiling", "Decompiling, please wait... This can take a while on complex scripts");
dialog.Owner = Window.GetWindow(this);
FlowDocument document = new FlowDocument();
document.PagePadding = new Thickness(0);
document.FontFamily = new FontFamily("Lucida Console");
Paragraph par = new Paragraph();
UndertaleCode gettextCode = null;
if (gettext == null)
{
gettextCode = (Application.Current.MainWindow as MainWindow).Data.Code.ByName("gml_Script_textdata_en");
}
string gettextJsonPath = System.IO.Path.Combine(System.IO.Path.GetDirectoryName((Application.Current.MainWindow as MainWindow).FilePath), "lang/lang_en.json");
var dataa = (Application.Current.MainWindow as MainWindow).Data;
Task t = Task.Run(() =>
{
string decompiled = null;
Exception e = null;
try
{
decompiled = Decompiler.Decompile(code, dataa).Replace("\r\n", "\n");
}
catch (Exception ex)
{
e = ex;
}
if (gettextCode != null)
{
UpdateGettext(gettextCode);
}
if (gettextJSON == null && File.Exists(gettextJsonPath))
{
UpdateGettextJSON(File.ReadAllText(gettextJsonPath));
}
Dispatcher.Invoke(() =>
{
if (e != null)
{
Brush exceptionBrush = new SolidColorBrush(Color.FromRgb(255, 0, 0));
par.Inlines.Add(new Run("EXCEPTION!\n")
{
Foreground = exceptionBrush, FontWeight = FontWeights.Bold
});
par.Inlines.Add(new Run(e.ToString())
{
Foreground = exceptionBrush
});
}
else if (decompiled != null)
{
string[] lines = decompiled.Split('\n');
if (lines.Length > 5000)
{
par.Inlines.Add(new Run(decompiled));
}
else
{
Brush keywordBrush = new SolidColorBrush(Color.FromRgb(0, 0, 150));
Brush stringBrush = new SolidColorBrush(Color.FromRgb(0, 0, 200));
Brush commentBrush = new SolidColorBrush(Color.FromRgb(0, 150, 0));
Brush funcBrush = new SolidColorBrush(Color.FromRgb(100, 100, 0));
Brush assetBrush = new SolidColorBrush(Color.FromRgb(0, 150, 100));
Dictionary <string, UndertaleFunction> funcs = new Dictionary <string, UndertaleFunction>();
foreach (var x in (Application.Current.MainWindow as MainWindow).Data.Functions)
{
funcs.Add(x.Name.Content, x);
}
foreach (var line in lines)
{
char[] special = { '.', ',', ')', '(', '[', ']', '>', '<', ':', ';', '=', '"' };
Func <char, bool> IsSpecial = (c) => Char.IsWhiteSpace(c) || special.Contains(c);
List <string> split = new List <string>();
string tok = "";
bool readingString = false;
for (int i = 0; i < line.Length; i++)
{
if (tok == "//")
{
tok += line.Substring(i);
break;
}
if (!readingString && tok.Length > 0 && (
(Char.IsWhiteSpace(line[i]) != Char.IsWhiteSpace(tok[tok.Length - 1])) ||
(special.Contains(line[i]) != special.Contains(tok[tok.Length - 1])) ||
(special.Contains(line[i]) && special.Contains(tok[tok.Length - 1])) ||
line[i] == '"'
))
{
split.Add(tok);
tok = "";
}
tok += line[i];
if (line[i] == '"')
{
if (readingString)
{
split.Add(tok);
tok = "";
}
readingString = !readingString;
}
}
if (tok != "")
{
split.Add(tok);
}
Dictionary <string, object> usedObjects = new Dictionary <string, object>();
for (int i = 0; i < split.Count; i++)
{
string token = split[i];
if (token == "if" || token == "else" || token == "return" || token == "break" || token == "continue" || token == "while" || token == "with" || token == "switch" || token == "case" || token == "default")
{
par.Inlines.Add(new Run(token)
{
Foreground = keywordBrush, FontWeight = FontWeights.Bold
});
}
else if (token == "self" || token == "global" || token == "local" || token == "other" || token == "noone" || token == "true" || token == "false")
{
par.Inlines.Add(new Run(token)
{
Foreground = keywordBrush
});
}
else if (token.StartsWith("\""))
{
par.Inlines.Add(new Run(token)
{
Foreground = stringBrush
});
}
else if (token.StartsWith("//"))
{
par.Inlines.Add(new Run(token)
{
Foreground = commentBrush
});
}
else if (token.StartsWith("@") && split[i - 1][0] == '"' && split[i - 1][split[i - 1].Length - 1] == '"')
{
par.Inlines.LastInline.Cursor = Cursors.Hand;
par.Inlines.LastInline.MouseDown += (sender, ev) =>
{
MainWindow mw = Application.Current.MainWindow as MainWindow;
mw.ChangeSelection(mw.Data.Strings[Int32.Parse(token.Substring(1))]);
};
}
else if (dataa.ByName(token) != null)
{
par.Inlines.Add(new Run(token)
{
Foreground = assetBrush, Cursor = Cursors.Hand
});
par.Inlines.LastInline.MouseDown += (sender, ev) => (Application.Current.MainWindow as MainWindow).ChangeSelection(dataa.ByName(token));
if (token == "scr_gettext" && gettext != null)
{
if (split[i + 1] == "(" && split[i + 2].StartsWith("\"") && split[i + 3].StartsWith("@") && split[i + 4] == ")")
{
string id = split[i + 2].Substring(1, split[i + 2].Length - 2);
if (!usedObjects.ContainsKey(id))
{
usedObjects.Add(id, (Application.Current.MainWindow as MainWindow).Data.Strings[gettext[id]]);
}
}
}
if (token == "scr_84_get_lang_string" && gettextJSON != null)
{
if (split[i + 1] == "(" && split[i + 2].StartsWith("\"") && split[i + 3].StartsWith("@") && split[i + 4] == ")")
{
string id = split[i + 2].Substring(1, split[i + 2].Length - 2);
if (!usedObjects.ContainsKey(id))
{
usedObjects.Add(id, gettextJSON[id]);
}
}
}
}
else if (funcs.ContainsKey(token))
{
par.Inlines.Add(new Run(token)
{
Foreground = funcBrush, Cursor = Cursors.Hand
});
par.Inlines.LastInline.MouseDown += (sender, ev) => (Application.Current.MainWindow as MainWindow).ChangeSelection(funcs[token]);
}
else if (Char.IsDigit(token[0]))
{
par.Inlines.Add(new Run(token)
{
Cursor = Cursors.Hand
});
par.Inlines.LastInline.MouseDown += (sender, ev) =>
{
// TODO: Add type resolving to the decompiler so that this is handled mostly automatically
UndertaleData data = (Application.Current.MainWindow as MainWindow).Data;
int id = Int32.Parse(token);
List <UndertaleObject> possibleObjects = new List <UndertaleObject>();
if (id < data.Sprites.Count)
{
possibleObjects.Add(data.Sprites[id]);
}
if (id < data.Rooms.Count)
{
possibleObjects.Add(data.Rooms[id]);
}
if (id < data.GameObjects.Count)
{
possibleObjects.Add(data.GameObjects[id]);
}
if (id < data.Backgrounds.Count)
{
possibleObjects.Add(data.Backgrounds[id]);
}
if (id < data.Scripts.Count)
{
possibleObjects.Add(data.Scripts[id]);
}
if (id < data.Paths.Count)
{
possibleObjects.Add(data.Paths[id]);
}
if (id < data.Fonts.Count)
{
possibleObjects.Add(data.Fonts[id]);
}
if (id < data.Sounds.Count)
{
possibleObjects.Add(data.Sounds[id]);
}
if (id < data.Shaders.Count)
{
possibleObjects.Add(data.Shaders[id]);
}
// if (id < data.Extensions.Count)
// possibleObjects.Add(data.Extensions[id]);
if (id < data.Timelines.Count)
{
possibleObjects.Add(data.Timelines[id]);
}
ContextMenu contextMenu = new ContextMenu();
foreach (UndertaleObject obj in possibleObjects)
{
MenuItem item = new MenuItem();
item.Header = obj.ToString().Replace("_", "__");
item.Click += (sender2, ev2) => (Application.Current.MainWindow as MainWindow).ChangeSelection(obj);
contextMenu.Items.Add(item);
}
if (id > 0x00050000)
{
contextMenu.Items.Add(new MenuItem()
{
Header = "#" + id.ToString("X6") + " (color)", IsEnabled = false
});
}
contextMenu.Items.Add(new MenuItem()
{
Header = id + " (number)", IsEnabled = false
});
(sender as Run).ContextMenu = contextMenu;
contextMenu.IsOpen = true;
ev.Handled = true;
};
}
else
{
par.Inlines.Add(new Run(token));
}
if (token == "." && (Char.IsLetter(split[i + 1][0]) || split[i + 1][0] == '_'))
{
int id;
if (Int32.TryParse(split[i - 1], out id))
{
var gos = (Application.Current.MainWindow as MainWindow).Data.GameObjects;
if (!usedObjects.ContainsKey(split[i - 1]) && id >= 0 && id < gos.Count)
{
usedObjects.Add(split[i - 1], gos[id]);
}
}
}
}
foreach (var gt in usedObjects)
{
par.Inlines.Add(new Run(" // ")
{
Foreground = commentBrush
});
par.Inlines.Add(new Run(gt.Key)
{
Foreground = commentBrush
});
par.Inlines.Add(new Run(" = ")
{
Foreground = commentBrush
});
par.Inlines.Add(new Run(gt.Value is string? "\"" + (string)gt.Value + "\"" : gt.Value.ToString())
{
Foreground = commentBrush, Cursor = Cursors.Hand
});
if (gt.Value is UndertaleObject)
{
par.Inlines.LastInline.MouseDown += (sender, ev) => (Application.Current.MainWindow as MainWindow).ChangeSelection(gt.Value);
}
}
par.Inlines.Add(new Run("\n"));
}
}
}
document.Blocks.Add(par);
DecompiledView.Document = document;
CurrentDecompiled = code;
dialog.Hide();
});
});
dialog.ShowDialog();
await t;
}