tetris in dlang

many nice features:

• extensive customization options:
  • customizable keybinds for piece movement and menu exiting
  • handling: das, arr, sdf
  • color scheme: customizable 12-bit colors for everything drawn to the screen, along with names taken from the xkcd color survey (see how the color names were mapped)
• typical game features:
  • the SRS rotation system (+ naive 180-spins)
  • ghost pieces
  • next queue
  • hold piece

• keep track of score, game time
• game over logic
• leveling
• finish gamemodes - sprint, blitz
• decouple piece movement from current 60 fps lock
• audio
• support more than one screen resolution
• display actual key names instead of numeric key codes in keybinds menu

tested with v2.109.1 of the DMD compiler for D on Windows 10, and v5.5.1 of the raylib-d binding for raylib.