Jared Miller
9844749edd
fly <direction> moves the player 5 tiles, ignoring terrain. Leaves a trail of bright white ~ clouds that fade after 2 seconds. Effects system supports arbitrary timed visual overlays on the viewport. TinTin aliases: fn/fs/fe/fw/fne/fnw/fse/fsw.
92 lines
3 KiB
Python
92 lines
3 KiB
Python
"""Look command for viewing the world."""
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from typing import Any
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from mudlib.commands import register
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from mudlib.effects import get_effects_at
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from mudlib.player import Player, players
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from mudlib.render.ansi import RESET, colorize_terrain
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# World instance will be injected by the server
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world: Any = None
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# Viewport dimensions
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VIEWPORT_WIDTH = 21
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VIEWPORT_HEIGHT = 11
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async def cmd_look(player: Player, args: str) -> None:
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"""Render the current viewport to the player.
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Args:
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player: The player executing the command
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args: Command arguments (unused for now)
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"""
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# Get the viewport from the world
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viewport = world.get_viewport(player.x, player.y, VIEWPORT_WIDTH, VIEWPORT_HEIGHT)
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# Calculate center position
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center_x = VIEWPORT_WIDTH // 2
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center_y = VIEWPORT_HEIGHT // 2
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# Build a list of (relative_x, relative_y) for other players
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other_player_positions = []
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for other in players.values():
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if other.name == player.name:
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continue
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# Calculate relative position (shortest path wrapping)
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dx = other.x - player.x
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dy = other.y - player.y
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if dx > world.width // 2:
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dx -= world.width
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elif dx < -(world.width // 2):
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dx += world.width
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if dy > world.height // 2:
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dy -= world.height
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elif dy < -(world.height // 2):
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dy += world.height
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rel_x = dx + center_x
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rel_y = dy + center_y
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# Check if within viewport bounds
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if 0 <= rel_x < VIEWPORT_WIDTH and 0 <= rel_y < VIEWPORT_HEIGHT:
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other_player_positions.append((rel_x, rel_y))
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# Build the output with ANSI coloring
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# priority: player @ > other players * > effects > terrain
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half_width = VIEWPORT_WIDTH // 2
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half_height = VIEWPORT_HEIGHT // 2
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output_lines = []
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for y, row in enumerate(viewport):
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line = []
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for x, tile in enumerate(row):
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# Check if this is the player's position
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if x == center_x and y == center_y:
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line.append(colorize_terrain("@"))
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# Check if this is another player's position
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elif (x, y) in other_player_positions:
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line.append(colorize_terrain("*"))
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else:
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# Check for active effects at this world position
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world_x, world_y = world.wrap(
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player.x - half_width + x,
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player.y - half_height + y,
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)
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effects = get_effects_at(world_x, world_y)
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if effects:
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# use the most recent effect
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e = effects[-1]
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line.append(f"{e.color}{e.char}{RESET}")
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else:
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line.append(colorize_terrain(tile))
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output_lines.append("".join(line))
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# Send to player
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player.writer.write("\r\n".join(output_lines) + "\r\n")
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await player.writer.drain()
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# Register the look command with its alias
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register("look", cmd_look, aliases=["l"])
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