Clean Gambit-style board - simple ANSI, no Rich markup

- Simple box drawing characters
- Direct ANSI escape codes (no Rich markup issues)
- Dots on dark squares, empty on light
- White pieces bright white, black pieces yellow
- Clean single-line cells like Gambit
This commit is contained in:
Greg Hendrickson
2026-01-27 20:30:59 +00:00
parent 8f8888214a
commit 2ffb72a328

View File

@@ -275,139 +275,108 @@ async def run_chess_game(process, session: TerminalSession, username: str, oppon
except Exception as e:
logger.warning(f"Stockfish not available: {e}")
# Unicode pieces - large and visible
# Unicode pieces
PIECES = {
'K': '', 'Q': '', 'R': '', 'B': '', 'N': '', 'P': '',
'k': '', 'q': '', 'r': '', 'b': '', 'n': '', 'p': '',
}
def render_board():
"""Clean Gambit-style board rendering - simple and elegant."""
nonlocal status_msg
session._update_size()
session.clear()
writer = ProcessWriter(session)
console = Console(file=writer, width=session.width, height=session.height,
force_terminal=True, color_system="truecolor")
# Decide on board size based on terminal
use_big = session.width >= 70 and session.height >= 35
lines = []
# Title
lines.append("")
lines.append("[bold bright_green]♔ S H E L L M A T E C H E S S ♔[/bold bright_green]")
lines.append("[bright_blue]━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━[/bright_blue]")
lines.append("\033[1;32m♔ S H E L L M A T E \033[0m")
lines.append("")
if use_big:
# BIG BEAUTIFUL BOARD (5-char wide cells, 2 lines tall)
col_labels = " " + "".join(f" {c} " for c in "abcdefgh")
lines.append(f"[bold cyan]{col_labels}[/bold cyan]")
lines.append("[bright_blue] ╔══════╤══════╤══════╤══════╤══════╤══════╤══════╤══════╗[/bright_blue]")
# Column labels
lines.append(" A B C D E F G H")
# Top border
lines.append(" ┌───┬───┬───┬───┬───┬───┬───┬───┐")
for rank in range(7, -1, -1):
top_row = f"[bold cyan] {rank + 1} [/bold cyan][bright_blue]║[/bright_blue]"
bot_row = f" [bright_blue]║[/bright_blue]"
row = f" \033[36m{rank + 1}\033[0m │"
for file in range(8):
square = chess.square(file, rank)
piece = board.piece_at(square)
is_light = (rank + file) % 2 == 1
bg = "on grey30" if is_light else "on grey15"
if piece:
char = PIECES.get(piece.symbol(), '?')
fg = "bold white" if piece.color == chess.WHITE else "bold bright_yellow"
top_row += f"[{fg} {bg}] {char} [/{fg} {bg}]"
bot_row += f"[{bg}] [/{bg}]"
# White pieces bright, black pieces yellow
if piece.color == chess.WHITE:
row += f" \033[1;37m{char}\033[0m │"
else:
top_row += f"[{bg}] [/{bg}]"
bot_row += f"[{bg}] [/{bg}]"
if file < 7:
top_row += "[bright_blue]│[/bright_blue]"
bot_row += "[bright_blue]│[/bright_blue]"
top_row += f"[bright_blue]║[/bright_blue][bold cyan] {rank + 1}[/bold cyan]"
bot_row += "[bright_blue]║[/bright_blue]"
lines.append(top_row)
lines.append(bot_row)
if rank > 0:
lines.append("[bright_blue] ╟──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────╢[/bright_blue]")
lines.append("[bright_blue] ╚══════╧══════╧══════╧══════╧══════╧══════╧══════╧══════╝[/bright_blue]")
lines.append(f"[bold cyan]{col_labels}[/bold cyan]")
row += f" \033[1;33m{char}\033[0m │"
else:
# COMPACT BOARD (4-char wide cells)
col_labels = " " + "".join(f" {c} " for c in "abcdefgh")
lines.append(f"[bold cyan]{col_labels}[/bold cyan]")
lines.append("[bright_blue] ╔════╤════╤════╤════╤════╤════╤════╤════╗[/bright_blue]")
for rank in range(7, -1, -1):
row = f"[bold cyan] {rank + 1} [/bold cyan][bright_blue]║[/bright_blue]"
for file in range(8):
square = chess.square(file, rank)
piece = board.piece_at(square)
is_light = (rank + file) % 2 == 1
bg = "on grey30" if is_light else "on grey15"
if piece:
char = PIECES.get(piece.symbol(), '?')
fg = "bold white" if piece.color == chess.WHITE else "bold bright_yellow"
row += f"[{fg} {bg}] {char} [/{fg} {bg}]"
# Dot for dark squares, space for light
if is_light:
row += ""
else:
row += f"[{bg}] [/{bg}]"
row += " \033[90m·\033[0m │"
if file < 7:
row += "[bright_blue]│[/bright_blue]"
row += f"[bright_blue]║[/bright_blue][bold cyan] {rank + 1}[/bold cyan]"
row += f" \033[36m{rank + 1}\033[0m"
lines.append(row)
# Row separator
if rank > 0:
lines.append("[bright_blue] ╟────┼───┼────┼────┼───┼────┼────┼───╢[/bright_blue]")
lines.append("───┼───┼──────┼───┼──────┼───")
lines.append("[bright_blue] ╚════╧════╧════╧════╧════╧════╧════╧════╝[/bright_blue]")
lines.append(f"[bold cyan]{col_labels}[/bold cyan]")
# Bottom border
lines.append(" └───┴───┴───┴───┴───┴───┴───┴───┘")
# Column labels again
lines.append(" A B C D E F G H")
lines.append("")
# Status
turn = "[bold white]White ♔[/bold white]" if board.turn == chess.WHITE else "[bold bright_yellow]Black ♚[/bold bright_yellow]"
lines.append(f" {turn} to move")
if board.turn == chess.WHITE:
lines.append(" \033[1;37mWhite ♔\033[0m to move")
else:
lines.append(" \033[1;33mBlack ♚\033[0m to move")
if board.is_check():
lines.append(" [bold red]⚠ CHECK! ⚠[/bold red]")
lines.append(" \033[1;31m⚠ CHECK! ⚠\033[0m")
if move_history:
last_moves = move_history[-5:]
lines.append(f" [dim]Recent: {' '.join(last_moves)}[/dim]")
lines.append(f" \033[90mRecent: {' '.join(last_moves)}\033[0m")
if status_msg:
lines.append(f" [bright_yellow]{status_msg}[/bright_yellow]")
lines.append(f" \033[33m{status_msg}\033[0m")
status_msg = ""
lines.append("")
lines.append(" [green]Enter move (e.g. e2e4)[/green] [dim]│[/dim] [red]q[/red]uit [dim]│[/dim] [red]r[/red]esign")
lines.append(" \033[32mMove:\033[0m e2e4 \033[90m│\033[0m \033[31mq\033[0muit \033[90m│\033[0m \033[31mr\033[0mesign")
lines.append("")
# Vertical center
total_lines = len(lines)
top_pad = max(0, (session.height - total_lines - 2) // 2)
# Calculate centering
board_width = 37 # Width of the board
total_height = len(lines)
# Horizontal padding
left_pad = max(0, (session.width - board_width) // 2)
pad = " " * left_pad
# Vertical centering
top_pad = max(0, (session.height - total_height) // 2)
# Output
for _ in range(top_pad):
console.print()
session.write("\r\n")
for line in lines:
console.print(Align.center(Text.from_markup(line)))
session.write(pad + line + "\r\n")
# Move prompt
pad = " " * max(0, (session.width - 20) // 2)
session.write(f"{pad}[cyan]Move: [/cyan]")
session.write(pad + " \033[36mMove: \033[0m")
session.show_cursor()
render_board()