bitbot-3.11-fork/modules/dice.py
2020-01-14 10:48:09 +00:00

57 lines
1.9 KiB
Python

#--depends-on commands
import random, re
from src import ModuleManager, utils
ERROR_FORMAT = "Incorrect format! Format must be [number]d[number], e.g. 1d20"
RE_DICE = re.compile("^([1-9]\d*)?d([1-9]\d*)((?:\s*[-+][1-9]\d{,2})*)\s*$",
re.I)
RE_MODIFIERS = re.compile("([-+]\d+)")
MAX_DICE = 6
MAX_SIDES = 100
class Module(ModuleManager.BaseModule):
@utils.hook("received.command.roll")
@utils.hook("received.command.dice", alias_of="roll")
@utils.kwarg("help", "Roll dice DND-style")
@utils.kwarg("usage", "[1-%s]d[1-%d]" % (MAX_DICE, MAX_SIDES))
def roll_dice(self, event):
args = None
if event["args_split"]:
args = event["args"]
else:
args = "1d6"
match = RE_DICE.match(args)
if match:
roll = match.group(0)
dice_count = int(match.group(1) or "1")
side_count = int(match.group(2))
modifiers_str = "".join(match.group(3).split())
modifiers = RE_MODIFIERS.findall(modifiers_str)
if dice_count > 6:
raise utils.EventError("Max number of dice is %s" % MAX_DICE)
if side_count > MAX_SIDES:
raise utils.EventError("Max number of sides is %s"
% MAX_SIDES)
results = random.choices(range(1, side_count+1), k=dice_count)
total_n = sum(results)
for modifier in modifiers:
if modifier[0] == "+":
total_n += int(modifier[1:])
else:
total_n -= int(modifier[1:])
total = ""
if len(results) > 1 or modifiers:
total = " (total: %d)" % total_n
results_str = ", ".join(str(r) for r in results)
event["stdout"].write("Rolled %s and got %s%s" % (
roll, results_str, total))
else:
event["stderr"].write("Invalid format. Example: 2d12+2")