Formspec element to display models, written by @kilbith, rebased and tweaked.
Co-authored-by: Jean-Patrick Guerrero <jeanpatrick.guerrero@gmail.com>
Co-authored-by: sfan5 <sfan5@live.de>
Add override targets for all special_tiles entries in node definitions, allowing texture packs to replace these textures. This makes overrides work properly with a variety of drawtypes.
The targets are named special1 through special6, covering the the current length of the special_tiles array.
