Alice's Tea Party

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import math
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from dataclasses import dataclass
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@dataclass
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class CombatContext:
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    current_hp_ratio: float      # 当前生命值比例 (0.0 ~ 1.0)
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    boss_progress: float         # 距离整场游戏通关的预估进度 (0.0 ~ 1.0)
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    inventory_count: int         # 当前药水库存
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    retry_cost_minutes: float    # 翻车重打的时间惩罚（分钟）
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    is_boss_fight: bool          # 是否为关键战役
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def evaluate_potion_usage(ctx: CombatContext) -> dict:
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    # 濒死危机指数：生命值越低，由于重开时间损耗带来的即时止损收益呈指数飙升
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    death_risk = math.exp((0.35 - ctx.current_hp_ratio) * 6) if ctx.current_hp_ratio < 0.5 else 0.1
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    survival_value = death_risk * ctx.retry_cost_minutes
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    # 终局过剩惩罚：游戏进度越靠后、库存越多，通关时浪费的潜在亏损越重
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    # 进度接近 1.0 时，过剩惩罚剧烈上升，促使玩家尽早清空背包
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    progress_factor = 1.0 / max(0.01, (1.05 - ctx.boss_progress))
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    inventory_bloat = math.log1p(ctx.inventory_count)
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    waste_pressure = progress_factor * inventory_bloat * 0.8
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    # 稀缺性保护阻尼：Boss战削弱保护，普通野怪战适度克制
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    scarcity_damping = 0.4 if ctx.is_boss_fight else 1.2
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    # 最终综合吃药推荐分
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    consume_score = (survival_value + waste_pressure) / scarcity_damping
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    should_consume = consume_score > 4.5
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    return {
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        "consume_score": round(consume_score, 2),
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        "should_consume": should_consume,
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        "advice": "立刻磕药！别留到通关当纪念品" if should_consume else "还能抗一回合，暂时保留"
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    }
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# 模拟场景：主线推进到85%，打Boss时血线跌到28%，背包里压着12瓶特灵药
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ctx = CombatContext(
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    current_hp_ratio=0.28,
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    boss_progress=0.85,
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    inventory_count=12,
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    retry_cost_minutes=8.0,
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    is_boss_fight=True
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)
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decision = evaluate_potion_usage(ctx)
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print(f"决策评分: {decision['consume_score']} -> {decision['advice']}")