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107 lines
2.7 KiB
Python
107 lines
2.7 KiB
Python
from __future__ import print_function, division
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import heapq
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def applyEffects(current):
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if current['recharge'] > 0:
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current['mana'] += 101
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current['recharge'] -= 1
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if current['shield'] > 0:
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current['shield'] -= 1
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if current['poison'] > 0:
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current['poison'] -= 1
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current['bossHP'] -= 3
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def dijkstraMagic(initialState, hard):
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todo = [(0, 0, initialState.copy())]
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visited = {tuple(initialState.values()): 0}
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iteration = 0
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while todo:
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iteration += 1
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top = heapq.heappop(todo)
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current = top[2].copy()
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manaSpent = top[0]
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if hard:
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# Hard mode
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current['hp'] -= 1
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if current['hp'] <= 0:
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# Already dead
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continue
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applyEffects(current)
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if current['bossHP'] <= 0:
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# We won!
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return manaSpent
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# Try every available spell
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for spell in spells:
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if current['mana'] < spell[1]:
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# Not enough mana to cast
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continue
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if spell[4] is not None and current[spell[4]] > 0:
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# Effect still active
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continue
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newState = current.copy()
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newState['bossHP'] -= spell[2]
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newState['mana'] -= spell[1]
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newState['hp'] += spell[3]
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if spell[4] is not None:
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newState[spell[4]] = spell[5]
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newMana = manaSpent + spell[1]
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# Start Boss turn
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applyEffects(newState)
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if newState['bossHP'] > 0:
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# Alive to attack?
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if newState['shield'] > 0:
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damage = 2
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else:
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damage = 9
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newState['hp'] -= damage
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else:
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# Died during effects
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return newMana
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if newState['hp'] > 0:
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# New state
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key = tuple(newState.values())
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if key not in visited or visited[key] > newMana:
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# Insert the route in to the visited and queue
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visited[key] = newMana
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heapq.heappush(todo, (newMana, iteration, newState))
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return None
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spells = [
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# Name, Mana, Damage, Heal, Effect, Turns
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("Magic Missile", 53, 4, 0, None, 0),
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("Drain", 73, 2, 2, None, 0),
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("Shield", 113, 0, 0, "shield", 6),
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("Poison", 173, 0, 0, "poison", 6),
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("Recharge", 229, 0, 0, "recharge", 5),
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]
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status = {
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"bossHP": 51,
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"hp": 50,
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"mana": 500,
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"shield": 0,
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"poison": 0,
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"recharge": 0
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}
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print(dijkstraMagic(status, False))
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print(dijkstraMagic(status, True))
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