199 lines
6.4 KiB
Python
199 lines
6.4 KiB
Python
"""Movement commands for navigating the world."""
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from mudlib.commands import CommandDefinition, register
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from mudlib.entity import Entity
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from mudlib.gmcp import send_map_data, send_room_info
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from mudlib.player import Player
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from mudlib.portal import Portal
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from mudlib.zone import Zone
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from mudlib.zones import get_zone
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# Direction mappings: command -> (dx, dy)
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DIRECTIONS: dict[str, tuple[int, int]] = {
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"n": (0, -1),
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"north": (0, -1),
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"s": (0, 1),
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"south": (0, 1),
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"e": (1, 0),
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"east": (1, 0),
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"w": (-1, 0),
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"west": (-1, 0),
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"ne": (1, -1),
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"northeast": (1, -1),
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"nw": (-1, -1),
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"northwest": (-1, -1),
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"se": (1, 1),
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"southeast": (1, 1),
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"sw": (-1, 1),
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"southwest": (-1, 1),
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}
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# Opposite directions for arrival messages
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OPPOSITE_DIRECTIONS: dict[str, str] = {
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"north": "south",
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"south": "north",
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"east": "west",
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"west": "east",
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"northeast": "southwest",
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"southwest": "northeast",
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"northwest": "southeast",
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"southeast": "northwest",
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}
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def get_direction_name(dx: int, dy: int) -> str:
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"""Get the full direction name from deltas."""
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direction_map = {
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(0, -1): "north",
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(0, 1): "south",
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(1, 0): "east",
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(-1, 0): "west",
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(1, -1): "northeast",
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(-1, -1): "northwest",
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(1, 1): "southeast",
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(-1, 1): "southwest",
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}
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return direction_map.get((dx, dy), "")
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async def move_player(player: Player, dx: int, dy: int, direction_name: str) -> None:
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"""Move a player in a given direction.
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Args:
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player: The player to move
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dx: X delta
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dy: Y delta
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direction_name: Full name of the direction for messages
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"""
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zone = player.location
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assert isinstance(zone, Zone), "Player must be in a zone to move"
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target_x, target_y = zone.wrap(player.x + dx, player.y + dy)
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# Check if the target is passable (skip check in paint mode)
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if not player.paint_mode and not zone.is_passable(target_x, target_y):
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await player.send("You can't go that way.\r\n")
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return
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# If painting, place the brush tile at the current position before moving
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if player.paint_mode and player.painting:
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zone.terrain[player.y][player.x] = player.paint_brush
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# Send departure message to players in the old area
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opposite = OPPOSITE_DIRECTIONS[direction_name]
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await send_nearby_message(
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player, player.x, player.y, f"{player.name} leaves {direction_name}.\r\n"
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)
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# Update position
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player.x = target_x
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player.y = target_y
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# Check for auto-trigger portals at new position
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portals_here = [
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obj for obj in zone.contents_at(target_x, target_y) if isinstance(obj, Portal)
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]
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if portals_here:
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portal = portals_here[0] # Take first portal
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target_zone = get_zone(portal.target_zone)
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if target_zone:
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await player.send(f"You enter {portal.name}.\r\n")
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await send_nearby_message(
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player, player.x, player.y, f"{player.name} enters {portal.name}.\r\n"
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)
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player.move_to(target_zone, x=portal.target_x, y=portal.target_y)
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await send_nearby_message(
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player, player.x, player.y, f"{player.name} arrives.\r\n"
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)
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from mudlib.commands.look import cmd_look
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await cmd_look(player, "")
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send_room_info(player)
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send_map_data(player)
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return # Don't do normal arrival+look
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else:
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await player.send("The portal doesn't lead anywhere.\r\n")
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# Stay at portal tile but show normal look
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from mudlib.commands.look import cmd_look
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await cmd_look(player, "")
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return
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# Send arrival message to players in the new area
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await send_nearby_message(
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player, player.x, player.y, f"{player.name} arrives from the {opposite}.\r\n"
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)
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# Render new viewport to the moving player
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from mudlib.commands.look import cmd_look
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await cmd_look(player, "")
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send_room_info(player)
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send_map_data(player)
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async def send_nearby_message(entity: Entity, x: int, y: int, message: str) -> None:
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"""Send a message to all players near a location, excluding the entity.
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Sleeping players do not receive nearby messages (they are blind to room events).
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Args:
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entity: The entity who triggered the message (excluded from receiving it)
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x: X coordinate of the location
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y: Y coordinate of the location
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message: The message to send
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"""
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# For now, use a simple viewport range (could be configurable)
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viewport_range = 10
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zone = entity.location
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assert isinstance(zone, Zone), "Entity must be in a zone to send nearby messages"
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for obj in zone.contents_near(x, y, viewport_range):
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if obj is not entity and isinstance(obj, Entity):
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# Skip sleeping players (they are blind to room events)
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if getattr(obj, "sleeping", False):
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continue
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await obj.send(message)
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# Define individual movement command handlers
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async def move_north(player: Player, args: str) -> None:
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await move_player(player, 0, -1, "north")
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async def move_south(player: Player, args: str) -> None:
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await move_player(player, 0, 1, "south")
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async def move_east(player: Player, args: str) -> None:
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await move_player(player, 1, 0, "east")
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async def move_west(player: Player, args: str) -> None:
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await move_player(player, -1, 0, "west")
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async def move_northeast(player: Player, args: str) -> None:
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await move_player(player, 1, -1, "northeast")
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async def move_northwest(player: Player, args: str) -> None:
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await move_player(player, -1, -1, "northwest")
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async def move_southeast(player: Player, args: str) -> None:
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await move_player(player, 1, 1, "southeast")
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async def move_southwest(player: Player, args: str) -> None:
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await move_player(player, -1, 1, "southwest")
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# Register all movement commands with their aliases
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register(CommandDefinition("north", move_north, aliases=["n"]))
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register(CommandDefinition("south", move_south, aliases=["s"]))
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register(CommandDefinition("east", move_east, aliases=["e"]))
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register(CommandDefinition("west", move_west, aliases=["w"]))
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register(CommandDefinition("northeast", move_northeast, aliases=["ne"]))
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register(CommandDefinition("northwest", move_northwest, aliases=["nw"]))
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register(CommandDefinition("southeast", move_southeast, aliases=["se"]))
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register(CommandDefinition("southwest", move_southwest, aliases=["sw"]))
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