Tuitris

Tetris clone TUI for the terminal. Written in pure C with no external libraries, rendering is raw ANSI escape sequences, raw-mode input with alt-screen, pthreads for the game loop, and no memory allocations.

Requirements

• gcc and make
• POSIX system
• Terminal with UTF-8 and ANSI color support

Run

make run    # build and run

Controls

Features

• 10 by 20 board with seven tetromino types.
• Side panel with game stats.
• Next-piece preview.
• Max score across runs.
• Pause screen and help.
• Title art picks over three sizes based on terminal size.

Scoring

• 10 points per new piece.
• 100 * level * lines * lines for clearing lines.
• Level is 1 + lines cleared / 10. Every 10 lines, level up.
• Speed increase every level by 100ms. Delays 1000ms down to 100ms.

Layout

main.c        menu loop and entry point
inc/          headers
  board.h     board grid
  color.h     colors
  game.h      game loop
  help.h      help screen
  input.h     key events
  menu.h      main menu
  state.h     game stats
  tetromino.h pieces
  ui.h        game screen drawing
  ui_assets.h constanta for ui
  tdraw.h     header-only terminal drawing helpers
src/          implementations

License

MIT. See LICENSE.