chore: 工程化改造前的基线快照
在引入 uv 依赖管理、ruff 静态检查与格式化、pyright 类型检查之前， 先把当前可正常运行的状态固定下来，作为后续大规模自动改动的回滚点。 此时状态：97 项测试全绿，HTTP + WebSocket 多牧场服务器可用。
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"""统一的动作表：HTTP、WebSocket、命令行、机器人都走这一份映射。
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为什么要有这一层
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----------------
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引擎（``farm.engine.FarmEngine``）提供的是**方法**，但外部调用者（AI Agent、
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脚本、网页）手里拿到的只有字符串动作名 + 参数字典。如果让每个入口各自写一遍
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``if action == "plant"`` 的分发，规则就会散落在三四个文件里，迟早出现
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"HTTP 能做、WS 不能做" 这种不一致。
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所以这里集中定义：动作名 → 参数规格 → 引擎调用 → 返回结果。
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新增一个玩法动作，只需要在这张表里加一行。
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"""
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from __future__ import annotations
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from typing import Any, Callable, Dict, List, Optional
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from .. import config
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from ..engine import FarmEngine, GameError
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class Param:
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"""一个动作参数的规格说明（同时用于校验与自动生成给 AI 的文档）。"""
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__slots__ = ("name", "kind", "required", "default", "desc")
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def __init__(self, name: str, kind: str, required: bool = True,
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default: Any = None, desc: str = "") -> None:
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self.name = name
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self.kind = kind # "int" / "str" / "bool"
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self.required = required
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self.default = default
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self.desc = desc
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def coerce(self, raw: Any) -> Any:
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"""把外部传来的值转成期望类型，失败时抛出带 code 的业务异常。"""
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if self.kind == "bool":
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if isinstance(raw, bool):
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return raw
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if isinstance(raw, str) and raw.lower() in ("true", "false", "1", "0"):
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return raw.lower() in ("true", "1")
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if isinstance(raw, int):
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return bool(raw)
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raise GameError("bad_param", f"参数 {self.name} 需要布尔值，收到 {raw!r}")
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if self.kind == "int":
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if isinstance(raw, bool):
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raise GameError("bad_param", f"参数 {self.name} 需要整数，收到布尔值")
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if isinstance(raw, int):
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return raw
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if isinstance(raw, float) and raw.is_integer():
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return int(raw)
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if isinstance(raw, str) and raw.strip().lstrip("+-").isdigit():
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return int(raw.strip())
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raise GameError("bad_param", f"参数 {self.name} 需要整数，收到 {raw!r}")
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if self.kind == "str":
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if isinstance(raw, (str, int, float)):
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return str(raw)
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raise GameError("bad_param", f"参数 {self.name} 需要字符串，收到 {raw!r}")
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return raw
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def to_dict(self) -> Dict[str, Any]:
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return {
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"name": self.name,
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"type": self.kind,
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"required": self.required,
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"default": self.default,
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"desc": self.desc,
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}
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class Action:
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"""一个可执行动作。"""
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__slots__ = ("name", "summary", "params", "handler", "realtime")
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def __init__(self, name: str, summary: str, params: List[Param],
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handler: Callable[[FarmEngine, Dict[str, Any]], Dict[str, Any]],
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realtime: bool = True) -> None:
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self.name = name
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self.summary = summary
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self.params = params
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self.handler = handler
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self.realtime = realtime
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def to_dict(self) -> Dict[str, Any]:
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return {
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"action": self.name,
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"summary": self.summary,
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"params": [p.to_dict() for p in self.params],
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}
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# ---------------------------------------------------------------------- 处理器
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def _harvest_all(engine: FarmEngine, _params: Dict[str, Any]) -> Dict[str, Any]:
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"""收获所有成熟作物。逐块调用引擎，个别地块失败不影响其它地块。"""
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total_gold = 0
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total_units = 0
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plots: List[int] = []
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errors: List[str] = []
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# 复制列表：harvest 会修改 state.plots 中元素的内容，但不会增删元素
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for plot in list(engine.state.plots):
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if not plot.is_ripe:
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continue
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try:
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result = engine.harvest(plot.index + 1)
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except GameError as exc:
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errors.append(f"{plot.index + 1}号地：{exc.message}")
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continue
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total_gold += int(result.get("earned", 0))
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total_units += int(result.get("quantity", 0))
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plots.append(plot.index + 1)
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if not plots and not errors:
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raise GameError("nothing_to_harvest", "当前没有成熟的作物可以收获")
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return {
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"message": f"收获 {len(plots)} 块地共 {total_units} 份作物，+{total_gold} 金币",
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"plots": plots,
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"quantity": total_units,
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"earned": total_gold,
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"errors": errors,
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}
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def _save(engine: FarmEngine, _params: Dict[str, Any]) -> Dict[str, Any]:
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return engine.save()
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def _reset(engine: FarmEngine, _params: Dict[str, Any]) -> Dict[str, Any]:
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return engine.reset()
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def _pause(engine: FarmEngine, params: Dict[str, Any]) -> Dict[str, Any]:
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value = params.get("paused")
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return engine.pause(value if isinstance(value, bool) else None)
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# ---------------------------------------------------------------------- 动作表
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ACTIONS: Dict[str, Action] = {}
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def _register(action: Action) -> None:
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ACTIONS[action.name] = action
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_register(Action("plant", "在指定地块播种", [
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Param("plot", "int", True, None, "地块编号，从 1 开始"),
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Param("crop", "str", True, None, "作物标识，如 wheat"),
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], lambda e, p: e.plant(p["plot"], p["crop"])))
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_register(Action("water", "给指定地块浇水（补满水分）", [
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Param("plot", "int", True, None, "地块编号，从 1 开始"),
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], lambda e, p: e.water(p["plot"])))
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_register(Action("harvest", "收获指定地块的成熟作物", [
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Param("plot", "int", True, None, "地块编号，从 1 开始"),
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], lambda e, p: e.harvest(p["plot"])))
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_register(Action("harvest_all", "一键收获所有成熟作物", [], _harvest_all))
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_register(Action("buy_animal", "购买牲畜", [
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Param("kind", "str", True, None, "牲畜标识：chicken / sheep / cow"),
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], lambda e, p: e.buy_animal(p["kind"])))
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_register(Action("feed", "喂食指定牲畜", [
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Param("animal_id", "int", True, None, "牲畜编号（state.animals[].id）"),
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Param("quantity", "int", False, None, "喂食份数，默认按需求；多喂无益"),
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], lambda e, p: e.feed(p["animal_id"], p.get("quantity"))))
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_register(Action("collect", "收取牲畜的产出并自动出售", [
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Param("animal_id", "int", True, None, "牲畜编号"),
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], lambda e, p: e.collect(p["animal_id"])))
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_register(Action("buy_feed", "购买饲料", [
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Param("quantity", "int", False, config.FEED_BULK, f"份数，默认 {config.FEED_BULK}"),
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], lambda e, p: e.buy_feed(p.get("quantity", config.FEED_BULK))))
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_register(Action("buy_plot", "花钱开垦一块新土地", [], lambda e, p: e.buy_plot()))
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_register(Action("sleep", "主动推进一天（有冷却）", [], lambda e, p: e.sleep()))
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_register(Action("pause", "暂停或恢复自动推进时间", [
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Param("paused", "bool", False, None, "true 暂停 / false 恢复；省略则反转当前状态"),
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], _pause))
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_register(Action("save", "把当前农场写入存档文件", [], _save))
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_register(Action("reset", "重置农场，从头开始经营", [], _reset))
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def action_names() -> List[str]:
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return sorted(ACTIONS)
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def describe_actions() -> List[Dict[str, Any]]:
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return [ACTIONS[name].to_dict() for name in action_names()]
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def run_action(engine: FarmEngine, name: Any, params: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
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"""校验参数并执行动作。
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这是所有入口的**唯一**执行通道，因此输入校验只需要在这里做一次。
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"""
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if not isinstance(name, str) or not name.strip():
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raise GameError("bad_param", "缺少动作名 action")
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key = name.strip().lower()
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action = ACTIONS.get(key)
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if action is None:
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raise GameError(
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"unknown_action",
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f"未知动作 {name!r}，可用动作：{'、'.join(action_names())}",
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)
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if params is None:
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params = {}
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if not isinstance(params, dict):
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raise GameError("bad_param", "params 必须是对象")
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known = {p.name for p in action.params}
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unknown = [k for k in params if k not in known]
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if unknown:
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allowed = "、".join(sorted(known)) or "无"
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raise GameError(
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"bad_param",
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f"动作 {key} 不认识参数 {'、'.join(unknown)}（可用：{allowed}）",
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)
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clean: Dict[str, Any] = {}
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for spec in action.params:
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if spec.name in params and params[spec.name] is not None:
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clean[spec.name] = spec.coerce(params[spec.name])
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elif spec.required:
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raise GameError("missing_param", f"动作 {key} 缺少必需参数 {spec.name}")
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elif spec.default is not None:
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clean[spec.name] = spec.default
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result = action.handler(engine, clean)
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if not isinstance(result, dict):
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result = {"message": str(result)}
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result.setdefault("ok", True)
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result["action"] = key
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return result
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