Grab SpriteCutter (needs Java) to cut tiles from tilesheets. If you want to have graphics mode in addition to ASCII, don’t despair – there are free open source tilesets out there!ģ2×32 – Gervais (or any derivative such as Angband UT32), RLTiles (the terrain and player tiles go nicely with Gervais the items, not so much)Ħ4×64 – Shockbolt (you don’t get better than that)
Get a good programming text editor – for instance, Atom or Sublime Text 3. Look at the example module or at numerous modules at te4.org/modules. Don’t worry about making move around or implementing mouse support or detecting key presses or screen drawing or dialogs or menus.