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Certain grf files should only be loaded in some climates, only if certain switches are To do this, the first entries in your .grf file must be [[grfspecs:Action7|action 7s]] which test that condition, and

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial'' In this part of the tutorial we'll be making a road vehicle. The example spans a couple of pages and has

GRFMaker is a Windows program that allows creating .grf files with a graphical user interface. Download the beta version [http://us [[Category:Tutorials]][[Category:GRF Tutorial]]

== NFO tutorial == While the tutorial will be mostly covering train vehicles, all the steps apply to other vehicl

==What's a .GRF file?== ...new graphics files with help of the patch. These files have the extension .grf and are located in the newgrf folder.

...ion to this; while NML can handle these for you, it is not covered in this tutorial). Check the NewGRF Specs for [http://newgrf-specs.tt-wiki.net/wiki/Palettes ...one. If you do not have this palette, you can extract it from any decoded GRF file or [http://newgrf-specs.tt-wiki.net/wiki/NML:Graphic_files download] a

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial'' Start the NML file by adding a grf block.

'''Now we've got that out of the way, here's a tutorial on how to actually draw the sprites:''' [[Category:Tutorials]][[Category:GRF Tutorial]]

For example, say you're making a file called ''mytrain.grf''. With using action 6, it may be entered in the newgrf(w).cfg file like th newgrf/mytrain.grf 18

# First sprite is special, defining the total number of entries in the .grf file. # After the action 7 entries, define your GRF ID with [[grfspecs:Action8|action 8]].

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial.'' ...and we'll provide translations in Dutch and German. Apart from the regular GRF name and description, we already know that we'll be making one vehicle, so

...ki/NML:Main NML Documentation]. At your option, you can browse through the tutorial quickly or just start making your NewGRF and figure things out as you go. When a block syntax is explained in the tutorial, some arguments may be optional. These are written between [ straight/squar

#1: [[grfspecs:Action8|action 8]]; set the GRFID of this .grf file, and define the version [[Category:Tutorials]][[Category:GRF Tutorial]]

...rectory which has your nml file. Then run the nmlc program to compile your GRF. For example: nmlc -c --grf mygrf.grf mygrf.nml

==Tutorial== [http://george.zernebok.net/graphicstutorial/ Tutorial: Drawing new graphics] by [http://www.tt-forums.net/memberlist.php?mode=vie

...ile you made in the previous [[NFOFoundations|step]], and turns it into a .grf file usable by TTDPatch. ...image. These types of entries are called "pseudosprites", and in TTDPatch .grf files they are used to give TTDPatch information what it should do with the

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial.'' Start the NML file by adding a grf block.

Since June 2010 a new coding language for creating TTDpatch/OpenTTD GRF's exists: the NewGRF Meta Language or NML for short. It differs significant The NML tutorial aims at providing entry-level instructions and examples of how coding in NM

# Extract TTD's trg1r.grf (or trg1.grf for the DOS version or ogfx1_base.grf when using OpenGFX) # Look through trg1r.pcx (TTD) or ogfx1_base.grf (OpenGFX) for a vehicle similar to the one you're going to make

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial.'' grf {

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial'' ...can use it, it needs to go somewhere near the top. Let's put it below the grf block for no particular reason other than that it's higher than the sprites

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial.'' As this tutorial is about coding NML and not about drawing graphics, we'll give you the grap

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial'' //define the grf

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial'' # GRF name and description

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial'' /* Define grf */

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial'' == GRF Parameter setting ==

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial.'' grf {

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial'' //define the grf

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial'' ...select which vehicle length they want. For that reason the author of this tutorial thinks making two different vehicles and having both available from the pur

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial.'' grf {

...e templates later. The tram vehicle example that will follow later in this tutorial actually uses some of these sprite templates and code. For other premade te ...be called if it's defined. So templates are best placed shortly after the grf block.

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial'' /* Define grf */

...to the GPL v2 or later. The code has been modified for the purpose of this tutorial.'' grf {

[[Category:Tutorials]][[Category:GRF Tutorial]]