"""Piano item schema metadata and behavior.""" from __future__ import annotations from typing import Callable from ..item_types import ItemUseResult from ..models import WorldItem LABEL = "piano" TOOLTIP = "Playable keyboard instrument with multiple synth voices." EDITABLE_PROPERTIES: tuple[str, ...] = ("title", "instrument", "attack", "decay", "emitRange") CAPABILITIES: tuple[str, ...] = ("editable", "carryable", "deletable", "usable") USE_SOUND: str | None = None EMIT_SOUND: str | None = None USE_COOLDOWN_MS = 1000 EMIT_RANGE = 15 DIRECTIONAL = False DEFAULT_TITLE = "piano" DEFAULT_PARAMS: dict = { "instrument": "piano", "attack": 15, "decay": 45, "emitRange": 15, } INSTRUMENT_OPTIONS: tuple[str, ...] = ( "piano", "electric_piano", "guitar", "organ", "bass", "violin", "synth_lead", "drum_kit", ) PROPERTY_METADATA: dict[str, dict[str, object]] = { "title": {"valueType": "text", "tooltip": "Display name spoken and shown for this item.", "maxLength": 80}, "instrument": {"valueType": "list", "tooltip": "Instrument voice used when playing this piano."}, "attack": { "valueType": "number", "tooltip": "How quickly notes ramp in. Lower is sharper; higher is softer.", "range": {"min": 0, "max": 100, "step": 1}, }, "decay": { "valueType": "number", "tooltip": "How long notes ring out after the initial hit.", "range": {"min": 0, "max": 100, "step": 1}, }, "emitRange": { "valueType": "number", "tooltip": "Maximum distance in squares where this piano can be heard.", "range": {"min": 5, "max": 20, "step": 1}, }, } def validate_update(_item: WorldItem, next_params: dict) -> dict: """Validate and normalize piano params.""" instrument = str(next_params.get("instrument", "piano")).strip().lower() if instrument not in INSTRUMENT_OPTIONS: raise ValueError(f"instrument must be one of: {', '.join(INSTRUMENT_OPTIONS)}.") next_params["instrument"] = instrument try: attack = int(next_params.get("attack", 15)) except (TypeError, ValueError) as exc: raise ValueError("attack must be an integer between 0 and 100.") from exc if not (0 <= attack <= 100): raise ValueError("attack must be between 0 and 100.") next_params["attack"] = attack try: decay = int(next_params.get("decay", 45)) except (TypeError, ValueError) as exc: raise ValueError("decay must be an integer between 0 and 100.") from exc if not (0 <= decay <= 100): raise ValueError("decay must be between 0 and 100.") next_params["decay"] = decay try: emit_range = int(next_params.get("emitRange", 15)) except (TypeError, ValueError) as exc: raise ValueError("emitRange must be an integer between 5 and 20.") from exc if not (5 <= emit_range <= 20): raise ValueError("emitRange must be between 5 and 20.") next_params["emitRange"] = emit_range return next_params def use_item(item: WorldItem, nickname: str, _clock_formatter: Callable[[dict], str]) -> ItemUseResult: """Enter piano play mode for the user who used the item.""" return ItemUseResult( self_message=f"You begin playing {item.title}.", others_message=f"{nickname} begins playing {item.title}.", )