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https://github.com/ghndrx/shellmate.git
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Beautiful big chess board with colors
- Auto-scales: big board for large terminals, compact for smaller - Dark/light square colors with background shading - White pieces in white, black pieces in yellow for contrast - Unicode box-drawing characters for elegant borders - Centered vertically and horizontally - Better status display
This commit is contained in:
Greg Hendrickson
@@ -275,7 +275,7 @@ async def run_chess_game(process, session: TerminalSession, username: str, oppon
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except Exception as e:
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logger.warning(f"Stockfish not available: {e}")
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# Unicode pieces with better styling
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# Unicode pieces - large and visible
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PIECES = {
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'K': '♔', 'Q': '♕', 'R': '♖', 'B': '♗', 'N': '♘', 'P': '♙',
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'k': '♚', 'q': '♛', 'r': '♜', 'b': '♝', 'n': '♞', 'p': '♟',
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@@ -283,73 +283,133 @@ async def run_chess_game(process, session: TerminalSession, username: str, oppon
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def render_board():
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nonlocal status_msg
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session._update_size()
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session.clear()
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# Simple text-based board that works reliably over SSH
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board_lines = []
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board_lines.append(" ♔ SHELLMATE CHESS ♔")
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board_lines.append("")
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board_lines.append(" a b c d e f g h")
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board_lines.append(" +---+---+---+---+---+---+---+---+")
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writer = ProcessWriter(session)
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console = Console(file=writer, width=session.width, height=session.height,
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force_terminal=True, color_system="truecolor")
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for rank in range(7, -1, -1):
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row = f" {rank + 1} |"
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for file in range(8):
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square = chess.square(file, rank)
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piece = board.piece_at(square)
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if piece:
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char = PIECES.get(piece.symbol(), '?')
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row += f" {char} |"
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else:
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# Use dots for dark squares, spaces for light
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is_light = (rank + file) % 2 == 1
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row += " . |" if not is_light else " |"
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# Decide on board size based on terminal
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use_big = session.width >= 70 and session.height >= 35
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lines = []
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# Title
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lines.append("")
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lines.append("[bold bright_green]♔ S H E L L M A T E C H E S S ♔[/bold bright_green]")
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lines.append("[bright_blue]━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━[/bright_blue]")
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lines.append("")
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if use_big:
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# BIG BEAUTIFUL BOARD (5-char wide cells, 2 lines tall)
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col_labels = " " + "".join(f" {c} " for c in "abcdefgh")
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lines.append(f"[bold cyan]{col_labels}[/bold cyan]")
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lines.append("[bright_blue] ╔══════╤══════╤══════╤══════╤══════╤══════╤══════╤══════╗[/bright_blue]")
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row += f" {rank + 1}"
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board_lines.append(row)
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board_lines.append(" +---+---+---+---+---+---+---+---+")
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for rank in range(7, -1, -1):
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top_row = f"[bold cyan] {rank + 1} [/bold cyan][bright_blue]║[/bright_blue]"
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bot_row = f" [bright_blue]║[/bright_blue]"
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for file in range(8):
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square = chess.square(file, rank)
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piece = board.piece_at(square)
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is_light = (rank + file) % 2 == 1
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bg = "on grey30" if is_light else "on grey15"
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if piece:
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char = PIECES.get(piece.symbol(), '?')
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fg = "bold white" if piece.color == chess.WHITE else "bold bright_yellow"
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top_row += f"[{fg} {bg}] {char} [/{fg} {bg}]"
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bot_row += f"[{bg}] [/{bg}]"
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else:
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top_row += f"[{bg}] [/{bg}]"
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bot_row += f"[{bg}] [/{bg}]"
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if file < 7:
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top_row += "[bright_blue]│[/bright_blue]"
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bot_row += "[bright_blue]│[/bright_blue]"
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top_row += f"[bright_blue]║[/bright_blue][bold cyan] {rank + 1}[/bold cyan]"
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bot_row += "[bright_blue]║[/bright_blue]"
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lines.append(top_row)
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lines.append(bot_row)
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if rank > 0:
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lines.append("[bright_blue] ╟──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────╢[/bright_blue]")
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lines.append("[bright_blue] ╚══════╧══════╧══════╧══════╧══════╧══════╧══════╧══════╝[/bright_blue]")
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lines.append(f"[bold cyan]{col_labels}[/bold cyan]")
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else:
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# COMPACT BOARD (4-char wide cells)
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col_labels = " " + "".join(f" {c} " for c in "abcdefgh")
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lines.append(f"[bold cyan]{col_labels}[/bold cyan]")
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lines.append("[bright_blue] ╔════╤════╤════╤════╤════╤════╤════╤════╗[/bright_blue]")
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for rank in range(7, -1, -1):
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row = f"[bold cyan] {rank + 1} [/bold cyan][bright_blue]║[/bright_blue]"
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for file in range(8):
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square = chess.square(file, rank)
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piece = board.piece_at(square)
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is_light = (rank + file) % 2 == 1
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bg = "on grey30" if is_light else "on grey15"
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if piece:
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char = PIECES.get(piece.symbol(), '?')
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fg = "bold white" if piece.color == chess.WHITE else "bold bright_yellow"
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row += f"[{fg} {bg}] {char} [/{fg} {bg}]"
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else:
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row += f"[{bg}] [/{bg}]"
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if file < 7:
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row += "[bright_blue]│[/bright_blue]"
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row += f"[bright_blue]║[/bright_blue][bold cyan] {rank + 1}[/bold cyan]"
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lines.append(row)
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if rank > 0:
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lines.append("[bright_blue] ╟────┼────┼────┼────┼────┼────┼────┼────╢[/bright_blue]")
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lines.append("[bright_blue] ╚════╧════╧════╧════╧════╧════╧════╧════╝[/bright_blue]")
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lines.append(f"[bold cyan]{col_labels}[/bold cyan]")
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board_lines.append(" a b c d e f g h")
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lines.append("")
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# Add status info
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board_lines.append("")
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turn = "White ♔" if board.turn == chess.WHITE else "Black ♚"
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board_lines.append(f" {turn} to move")
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# Status
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turn = "[bold white]White ♔[/bold white]" if board.turn == chess.WHITE else "[bold bright_yellow]Black ♚[/bold bright_yellow]"
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lines.append(f" {turn} to move")
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if board.is_check():
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board_lines.append(" *** CHECK! ***")
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lines.append(" [bold red]⚠ CHECK! ⚠[/bold red]")
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if move_history:
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last_moves = move_history[-3:]
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board_lines.append(f" Moves: {' '.join(last_moves)}")
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last_moves = move_history[-5:]
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lines.append(f" [dim]Recent: {' '.join(last_moves)}[/dim]")
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if status_msg:
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board_lines.append(f" {status_msg}")
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lines.append(f" [bright_yellow]{status_msg}[/bright_yellow]")
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status_msg = ""
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board_lines.append("")
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board_lines.append(" Enter move (e.g. e2e4) | [q]uit | [r]esign")
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board_lines.append(" Move: ")
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lines.append("")
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lines.append(" [green]Enter move (e.g. e2e4)[/green] [dim]│[/dim] [red]q[/red]uit [dim]│[/dim] [red]r[/red]esign")
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lines.append("")
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# Calculate centering
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board_width = 42
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total_height = len(board_lines)
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# Vertical center
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total_lines = len(lines)
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top_pad = max(0, (session.height - total_lines - 2) // 2)
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# Horizontal centering
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left_pad = max(0, (session.width - board_width) // 2)
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pad = " " * left_pad
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# Vertical centering
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top_pad = max(0, (session.height - total_height) // 2)
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# Output with centering
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for _ in range(top_pad):
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session.write("\r\n")
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console.print()
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for line in board_lines:
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session.write(pad + line + "\r\n")
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for line in lines:
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console.print(Align.center(Text.from_markup(line)))
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# Move prompt
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pad = " " * max(0, (session.width - 20) // 2)
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session.write(f"{pad}[cyan]Move: [/cyan]")
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session.show_cursor()
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render_board()
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move_buffer = ""
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