// should never try to run dialog when one is already in progress.
// check DialogRunner.Active before trying to run dialog.
// for now, also throw an error
public static void Run(IDialogUI ui, string path)
{
DialogRunner runner = GetInstance();
if (runner.dialog != null)
{
throw new DialogError("Another dialog session is already open.");
}
runner.dialog = runner.StartCoroutine(runner.RunDialog(ui, path));
}
// dialog coroutine
IEnumerator RunDialog(IDialogUI ui, string path)
{
DialogFile f = new DialogFile(path, Flags);
// wait a tick so that we update ourselves as active
yield return(null);
// run dialog
foreach (object o in f)
{
// check for events
if (CheckStatement(o, "event"))
{
DialogEvents events = DialogEvents.GetInstance();
if (events == null)
{
throw new DialogError("DialogEvents GameObject does not exist or does not have 'DialogEvents' tag.");
}
events.HandleEvent(o);
}
// output to DialogUI
else if (o is string)
{
ui.DisplayText(null, (string)o);
}
else if (CheckStatement(o, "show"))
{
Dictionary <string, object> args = GetStatementArgs(o, "show");
if (args == null)
{
throw new DialogError($"Invalid 'show' statement. 'show' statement must contain a map.\nYAML: {Reserialize(o)}");
}
if (!args.ContainsKey("id"))
{
throw new DialogError($"Invalid 'show' statement. 'show' statement must contain an 'id' field.\nYAML: {Reserialize(o)}");
}
if (!args.ContainsKey("image"))
{
throw new DialogError($"Invalid 'show' statement. 'show' statement must contain an 'image' field.\nYAML: {Reserialize(o)}");
}
ui.ShowCharacter((string)args["id"], (string)args["image"], new DialogImageOptions(o));
}
else if (CheckStatement(o, "hide"))
{
Dictionary <string, object> args = GetStatementArgs(o, "hide");
if (args == null)
{
throw new DialogError($"Invalid 'hide' statement. 'hide' statement must contain a map.\nYAML: {Reserialize(o)}");
}
if (!args.ContainsKey("id"))
{
throw new DialogError($"Invalid 'hide' statement. 'hide' statement must contain an 'id' field.\nYAML: {Reserialize(o)}");
}
ui.HideCharacter((string)args["id"]);
}
// 1 item in dictionary means it is dialog such as "E: Very good code."
else if (o is Dictionary <object, object> && ((Dictionary <object, object>)o).Count == 1)
{
Dictionary <string, object> args = CastArgs((Dictionary <object, object>)o);
string chr = args.Keys.First();
if (!f.Characters.ContainsKey(chr))
{
throw new DialogError($"Invalid dialog statement. Character ID '{chr}' is not defined.\nYAML: {Reserialize(o)}");
}
object val = args[args.Keys.First()];
// unknown statement type (error)
if (!(val is string))
{
throw new DialogError($"Unknown statement type: {Reserialize(o)}");
}
ui.DisplayText(f.Characters[chr].name, (string)val);
}
// unknown statement type (error)
else
{
throw new DialogError($"Unknown statement type: {Reserialize(o)}");
}
// wait until RequestAdvance has been called
while (!advance)
{
yield return(null);
}
advance = false;
}
// at end of dialog, mark that dialog is finished
ui.Finish();
dialog = null;
}
