To update a tileset from 2.6 to 2.91.99 (will be 3.0 in the future) you must add some new graphics and update the file format strings. Currently these instructions go up to compatibility with freeciv trunk revision 32289.

The .tilespec file

  • Set format of .tilespec file to options = "+Freeciv-tilespec-Devel-YYYY.MMM.DD" during development. For freeciv 3.0 options = "+Freeciv-3.0-tilespec" should be used.
  • minimap_intro_file (also called the 'radar graphics') is no longer supported. Simply remove minimap_entry_file entry out from the tilespec, if you have it.
  • Resource now need to have extrastyle defined in the [extrastyle] section. The old hardcoded way to draw resources was equivalent of extrastyle Single1

The .spec files

  • You can add a unit icon that indicates that the unit wants the player to clarify what it should do. (The unit will pop up the action selection dialog when selected) Define it via the new unit.action_decision_want tag.


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