BookAction action = (BookAction) scriptEntry.getObject("action");
dItem book = (dItem) scriptEntry.getObject("item");
dScript script = (dScript) scriptEntry.getObject("script");
dLocation location = (dLocation) scriptEntry.getObject("location");
BookScriptContainer bookScript = (BookScriptContainer) script.getContainer();
book = bookScript.writeBookTo(book, ((BukkitScriptEntryData)scriptEntry.entryData).getPlayer(), ((BukkitScriptEntryData)scriptEntry.entryData).getNPC());
// Post-write action? Can be NONE.
switch (action) {
case DROP:
dropBook(location, book.getItemStack());