Jared Miller
d18f21a031
Implements load_zone() and load_zones() functions to parse zone definitions from TOML files. Wires zone loading into server startup to register all zones from content/zones/ directory. Updates player zone lookup to use the registry instead of hardcoded overworld check. Includes tavern.toml as first hand-built interior zone (8x6 bounded).
102 lines
2.3 KiB
Python
102 lines
2.3 KiB
Python
"""Zone registry and loading."""
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from __future__ import annotations
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import logging
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import tomllib
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from pathlib import Path
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from mudlib.zone import Zone
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log = logging.getLogger(__name__)
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# Module-level zone registry
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zone_registry: dict[str, Zone] = {}
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def register_zone(name: str, zone: Zone) -> None:
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"""Register a zone by name.
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Args:
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name: Unique name for the zone
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zone: Zone instance to register
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"""
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zone_registry[name] = zone
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def get_zone(name: str) -> Zone | None:
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"""Look up a zone by name.
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Args:
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name: Zone name to look up
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Returns:
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Zone instance if found, None otherwise
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"""
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return zone_registry.get(name)
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def load_zone(path: Path) -> Zone:
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"""Load a zone from a TOML file.
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Args:
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path: Path to TOML file
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Returns:
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Zone instance loaded from file
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"""
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with open(path, "rb") as f:
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data = tomllib.load(f)
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# Extract basic properties
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name = data["name"]
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width = data["width"]
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height = data["height"]
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toroidal = data.get("toroidal", True)
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# Parse terrain rows into 2D list
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terrain_rows = data.get("terrain", {}).get("rows", [])
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terrain = []
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for row in terrain_rows:
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terrain.append(list(row))
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# Parse impassable tiles
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impassable_list = data.get("terrain", {}).get("impassable", {}).get("tiles", [])
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impassable = set(impassable_list) if impassable_list else {"^", "~"}
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zone = Zone(
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name=name,
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width=width,
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height=height,
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toroidal=toroidal,
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terrain=terrain,
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impassable=impassable,
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)
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return zone
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def load_zones(directory: Path) -> dict[str, Zone]:
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"""Load all zones from a directory.
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Args:
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directory: Path to directory containing zone TOML files
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Returns:
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Dict mapping zone names to Zone instances
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"""
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zones = {}
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if not directory.exists():
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log.warning("zones directory does not exist: %s", directory)
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return zones
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for toml_file in directory.glob("*.toml"):
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try:
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zone = load_zone(toml_file)
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zones[zone.name] = zone
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log.debug("loaded zone '%s' from %s", zone.name, toml_file)
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except Exception as e:
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log.error("failed to load zone from %s: %s", toml_file, e, exc_info=True)
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return zones
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