TTDPatch

TTDPatch is a computer program created by Josef Drexler, which modifies the 1995 computer game Transport Tycoon Deluxe at runtime.

Development began in 1999, primarily as a way to fix some of the bugs in the original game, but quickly branched out into adding numerous enhancements. A dedicated team of followers now contributes to development and testing of the patch. Currently, development of the latest version is in the Beta stage. TTDPatch is written in x86 assembly language, a complicated computer language, not often used in programming today.

New features
TTDPatch now features over 160 new features and bug fixes, all of which are optional and can be turned on or off with config file switches. Major features include the "increased vehicles" switch, allowing many thousands more vehicles, "build on slopes", which allows towns and players to build objects on sloping land,and "improved curve and mountain handling", which makes acceleration on hills and curves more realistic. Perhaps the most useful feature the Patch adds is path-based signalling (PBS), which allows multiple trains to be in one junction at the same time if their paths do not cross.

New graphics
One major feature of TTDPatch is the ability to add new vehicles, industries, cargos and other graphics into the gameplay, resulting from the successful decoding of Transport Tycoon Deluxes graphics file format (.GRF). Josef Drexler created the .NFO programming language for writing new GRF files. A community exists to create and maintain graphics and vehicle sets for use with TTDPatch .

Bugfixes
Transport Tycoon Deluxe itself will not run on Windows 2000 or Windows XP; one of the more significant bugfixes of TTDPatch is that it allows computers running these operating systems to be able to play the game. Other smaller fixes involve, for example, being able to remove things that have no owner or being able to deliver cargo to locations that should have been able to accept them, but previously were not. The TTDPatch manual has a detailed listing of all of the bugs it fixes.

Multiplayer
The Developers of TTDPatch have managed to develop a Stable Multiplayer mode for LAN Networks, however a stable multiplayer mode has continued to be elusive for Internet play. Those that try to Play over the Internet report the game to desynchronise quickly, leading to crashes.

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See Also

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