Editing Eternity Engine (section)

==History==
The Eternity Engine began in 1998 as a simple modification of [[Doom Wiki:Boom|Boom]] meant to power [[Doom Wiki:Eternity TC|Eternity TC]], which was at that time a new and active project. When [[Doom Wiki:Lee Killough|Lee Killough]] began the [[MBF]] project, [[Doom Wiki:James_Haley_(Quasar)|James "Quasar" Haley]] became a beta tester after emailing Lee with questions about the early Doom alpha versions. The Eternity project moved to an MBF code base after that port's first release.

In late 1999, [[Doom Wiki:Simon "Fraggle" Howard|Fraggle]] released v3.10 of his MBF-based source port [[SMMU]], which contained support for the new [[Doom Wiki:FraggleScript|FraggleScript]] scripting language. Although activity in the Eternity TC project by editors had steadily dropped to almost nothing, Quasar was still interested in developing the code associated with it. Needing features such as scripting and the [[console]], he then moved the Eternity project's code into SMMU.

Despite this long history of jumping between Boom-based ports, no public release of Eternity based on any port other than SMMU was ever made. The first private alpha, released to a select few beta testers, was derived from SMMU 3.21 with selected modifications from 3.30. Because of this, Eternity began at version 3.29.

After the release of the [[Doom Wiki:Caverns_of_Darkness|Caverns of Darkness]] project, which used a customized version of Eternity Engine v3.29 Development Beta 5, the project began to attract more attention. A second programmer, [[Doom Wiki:Stephen_McGranahan_(SoM)|Steven "SoM" McGranahan]], joined the project and immediately set to work porting the code to use [[Wikipedia:Simple_DirectMedia_Layer|SDL]], making it capable of running on many operating systems, including [[Wikipedia:Microsoft Windows|Windows]].

Now it has [[Universal Doom Map Format|UDMF]] support and a dynamic weapon and inventory system. It supports linked portals for full room-over-room gameplay. Current major goals for the engine include completing support for [[Doom Wiki:Heretic|Heretic]].