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import math
from sys import base_exec_prefix
from distribution import Distribution
import pb2e
def d(edge_count):
res = Distribution()
if edge_count == 0:
res.insert(0, 1)
return res
prob = 1/edge_count
for val in range(1, edge_count+1):
res.insert(val, prob)
return res
class Roll:
Fumble = -1
Fail = 0
Success = 1
Crit = 2
@staticmethod
def get_natural_success_mod(value):
if value <= 1:
return -1
if value >= 20:
return 1
return 0
@staticmethod
def check(value, dc, bonus=0):
res = 0
rolled = value + bonus
if rolled >= dc + 10:
res = Roll.Crit
elif rolled >= dc:
res = Roll.Success
elif rolled <= dc - 10:
res = Roll.Fumble
res += Roll.get_natural_success_mod(value)
return Roll.clamp(res)
@staticmethod
def clamp(value):
return max(Roll.Fumble, min(Roll.Crit, value))
class Weapon:
def __init__(self, crit_effect, main_die, potency, striking=1, fatal=0,
deadly=0, backstabber=False,
agile=False, twin=False) -> None:
self.main_die = main_die
self.striking = striking
self.potency = potency
self.backstabber = backstabber
self.fatal = fatal
self.deadly = deadly
self.agile = agile
self.twin = twin
self.crit_effect = crit_effect
def get_map(self, number):
number = max(0, min(2, number))
if self.agile:
return number * -4
return number * -5
def damage(self, dmg_bonus, check=Roll.Success, number = 0):
persistant_damage_factor = 3 + 1/3
if self.backstabber:
dmg_bonus += 1
if self.potency >= 3:
dmg_bonus += 1
if self.twin and number > 0:
dmg_bonus += self.striking
if check == Roll.Success:
return self.striking * d(self.main_die) + dmg_bonus
if check == Roll.Crit:
dmg = None
if self.fatal is not None and self.fatal > 0:
dmg = (self.striking + 1) * d(self.fatal)
else:
dmg = self.striking * d(self.main_die)
dmg = 2 * (dmg+dmg_bonus)
if self.deadly is not None and self.deadly > 0:
dmg += max(1, self.striking-1) * d(self.deadly)
if self.crit_effect == "crossbow":
dmg += persistant_damage_factor * d(8).expected()
elif self.crit_effect == "dart" or self.crit_effect == "knife":
dmg += persistant_damage_factor * d(6).expected()
elif self.crit_effect == "dagger":
dmg += persistant_damage_factor * d(6).expected()
elif self.crit_effect == "pick":
dmg += 2 * self.striking
return dmg
return 0
def strike(self, attack_bonus, dmg_bonus, ac, number = 0):
def strike_dmg(check):
return self.damage(dmg_bonus, check, number)
bonus = attack_bonus+self.potency+self.get_map(number)
attack_roll = d(20).apply(Roll.check, ac, bonus)
return attack_roll.apply(strike_dmg)
def treat_wounds(check_res, heal_bonus=0):
if check_res <= Roll.Fumble:
return -d(8)
if check_res == Roll.Fail:
return 0
if check_res == Roll.Success:
return 2*d(8) + heal_bonus
if check_res == Roll.Crit:
return 4*d(8) + heal_bonus
def strike(check_res, dmg, crit_dmg=0):
if check_res == Roll.Success:
return dmg
if check_res == Roll.Crit:
return 2*dmg + crit_dmg
return 0
def show_stat(name, dist):
print(name)
values = list(dist.probabilities.keys())
mn = min(values)
mx = max(values)
print("min", mn, dist.probabilities[mn])
print("max", mx, dist.probabilities[mx])
print("Exp", dist.expected())
print("Std", dist.standard_deviation())
print("<0", dist.accumulate_prob(lambda x: x < 0))
print(">0", dist.accumulate_prob(lambda x: x > 0))
print("")
assert abs(dist.accumulate_prob(lambda x: True) - 1) < math.pow(10, -10)
coin = d(2)
def main():
treat_options = [
{"dc": 15, "heal_bonus": 0},
{"dc": 20, "heal_bonus": 15}
]
bonus = 10
show_stat("Assurance 15", 2*d(8))
for opt in treat_options:
dc = opt["dc"]
treat = d(20).apply(Roll.check, dc, bonus).apply(treat_wounds, opt["heal_bonus"])
risky = d(20).apply(Roll.check, dc, bonus+2).apply(lambda x: Roll.Crit if x == Roll.Success else x)
risky = risky.apply(treat_wounds, opt["heal_bonus"]) + (-d(8))
show_stat("Treat Wounds " + str(dc), treat)
show_stat("Risky Surgery " + str(dc), risky)
treat = d(20).apply(Roll.check, 20, bonus+1).apply(treat_wounds, 15)
show_stat("Treat Wounds 20 +1", treat)
def main2():
ac = 18
bonus = +8
dmg = d(6)+4
attack = d(20).apply(Roll.check, ac, bonus)
show_stat("attack", attack)
total_dmg = attack.apply(strike, dmg+1)
show_stat("dogslicer", total_dmg)
total_dmg = attack.apply(strike, dmg, d(8))
show_stat("rapier", total_dmg)
def test3():
falcata = Weapon("sword", 8, 0, fatal=0)
ac = 18
bonus = +8 +3
dmg_bonus = d(6)+4
attack = d(20).apply(Roll.check, ac, bonus)
show_stat("attack", attack)
show_stat("falcata", falcata.strike(bonus, dmg_bonus, ac, 0))
def main4():
# char = pb2e.download_character(pfb_id=160180)
char = pb2e.open_character("quizrel2")
print(char)
if __name__ == '__main__':
main4()
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