Graphics Replacement

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Graphics Replacement
8bpp Graphics Replacement Project

Graphics Replacement Tracking Table
Graphics Replacement Credits
Advanced Graphics Replacement Tracking Table
Graphics Replacement FAQ
Discussion at TT Forums
Downloads from TT Forums

This article concerns a current event. Some of its content may therefore be outdated. The article should be given a higher than usual amount of attention while the event remains current.

This is the main tracking table of the 8bpp Graphics Replacement Project. The ultimate aim of this project is to have a full replacement set of graphics, so that OpenTTD can be distributed freely without the need of the copyrighted graphics from the original Transport Tycoon Deluxe. The table below indicates what's done and what's being done. There is also a tracking table for advanced features for the new graphics.

Note
The old replacement project is found here Old Graphics Replacement. That project was stalled and after new 8bpp Graphics Replacement Project started, canceled. Still some graphics used there might find their way to revived project.

This page lists all OpenTTD graphics that will need to be drawn for a total graphics replacement and shows their status in the following table. If you want to draw something then add your name to the appropriate section and change the status to Work in Progress, {{WIP}}. When you are finished, change the status to Done, {{Done}} and add the graphics or a link to them.

The latest progress can be followed in the Transport Tycoon Forums. This wiki article will generally be the most up to date list of downloadable graphics.

[edit] Progress

There are 6990 sprites to be replaced in the original TTD grf files.

• Project started on December 13th 2007
• As of January 11th 2008 2756 sprites have been released in form of NewGRF files. This constitutes almost 40% of original sprite count.

Key areas needing work are GUI, bridges, buildings and industries. Other infrastructure and the landscape are largely complete.

• As of Febuary 14th 2008 approximately 400 more sprites have been released, bringing the total to around 3100. Major additions were made to the replacement of sprites from openttd.grf.

Key areas needing work are still GUI, bridges, buildings and industries. Vehicles are currently progressing steadily.

• As of May 7th 2008 much more work has been done on graphics, although little has been coded. Town buildings and vehicles have been progressing steadily.
• As of July 19th 2008 a heavy exam term seems to have taken its toll on the rate of contributions. Now summer is here hopefully things will pick up again! The latest big update is the new bridges (~300 sprites) which puts the project over the half way mark!
• As of August 13th 2008 a the summer spirit has kicked in! Major contributions include a complete set of trains and carriages (thanks to DanMacK, Purno and Uzurpator), European tycoon faces (thanks to Ben_Robbins_), airport sprites (thanks to Skidd13), all boats (thanks to lead@inbox) and depots, company headquarters, several more industries and almost all the GUI (thanks to Zephyris). This puts the project at around the 3/4 mark with approximately 75% of trg1r complete and nearly 100% of trgcr.grf and trghr.grf complete.

Key areas for more work are town buildings and aeroplanes. Once the "conventional" climates are finished the focus will shift to toyland.

[edit] Downloads

There is an all-in-one NewGRF file available that contains every more or less complete partial NewGRF. If you like to download a partial NewGRF, see the list below. The all-in-one possibly does not reflect the most up to date state of the OpenGFX project because not everything is included and not updated as often as the partial files. Click here to download the all-in-one OpenGFX Graphics Replacement Set r1.

[edit] Guidelines

[edit] Artwork

New art is being drawn in the style of the original game, using the original 8bpp palette. The graphics should be a similar but distinct version of the object in question - no graphics may be copied at all from the original. The new sprites do not have to be the same size as the original, but need to be similar so as to fit into the game as expected. Where possible glitches/bugs in the original graphics should be avoided, for example the original snow line transition was in steps, whereas the new graphics give a smooth transition.

• Please note that the dimensions of a PCX file must be a multiple of four. Otherwise, GRFCodec will complain heavily, as will the coder.

[edit] Coding

This is a graphics replacement project, not an opportunity to code additional features into the game. Additional features for the game, such as more vehicles, new vehicle statistics, climate specific road markings etc. will have to be released as a separate GRF.

• Certain graphics should not be available in some climates, please use an Action 07 to skip those graphics. Never use the value 00 for <num-sprites>, but count the sprites and set the correct value. This makes it easier to compile small GRFs together into larger releases.
• If more than 254 (FE) sprites need to be skipped, you need set an Action 10 with label FF, and skip to that label in the Action 07 (thanks, DaleStan).
• Never skip an Action 08 or other actions that will not be copied to the final GRF.

[edit] Buildings

[edit] GUI

[edit] Landscape

[edit] Tracks

[edit] Vehicles

The new trains have had a convoluted history, old GRFs (which may include useful and as yet unused sprites) are listed here:

• Zephyris, DanMacK: newVehicles - Rail v0.3
• 7of9/DJ Nekkid, Purno: newTrains v0.6
• See also advanced graphics replacement features

[edit] Miscellaneous

[edit] Links

• TT-forums thread
• NewGRFSpecs at TTDPatch wiki
• Advanced Graphics Replacement - OpenGFX+
• PalConvert