1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
import re
import copy
from enum import Enum
from dataclasses import dataclass
from abc import ABC, abstractmethod
from distribution import Distribution
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 Difficulty(Enum):
Terrible = -2
Low = -1
Moderate = 0
High = 1
Extreme = 2
@classmethod
def from_str(cls, name):
name = name.strip().lower()
for member in cls:
if member.name.lower() == name:
return member
raise ValueError(f"{name!r} is not a valid {cls.__name__}")
@dataclass
class RollInfo:
die_size: int
dice_count: int = 1
bonus: int = 0
@classmethod
def parse(cls, str_data):
# match strings like '2d6+8 (15)'
match = re.fullmatch(r"^(\d+)d(\d+)\s*(\+\s*\d+)?\s*(\s*\(\s*\d+\s*\))?",
str_data)
if not match:
raise ValueError(f"{str_data!r} is not a valid RollInfo")
res = RollInfo(int(match.group(2).strip()))
res.dice_count = int(match.group(1).strip())
bonus = match.group(3)
if bonus:
res.bonus = int(bonus.strip(" +"))
return res
def distribution(self):
return self.dice_count * d(self.die_size) + self.bonus
class LevelingPlan(ABC):
@abstractmethod
def build(self, level: int):
pass
class Features:
abilities = ["str", "dex", "int", "wis", "cha", "con"]
saves = ["reflex", "will", "fortitude"]
defences = ["unarmored", "light", "medium", "heavy"]
weapons = ["unarmed", "simple", "martial", "advanced"]
skill_ability = {
"perception": "wis",
"fortitude": "con",
"reflex": "dex",
"will": "wis",
"acrobatics": "dex",
"arcana": "int",
"athletics": "str",
"crafting": "int",
"deception": "cha",
"diplomacy": "cha",
"intimidation": "cha",
"medicine": "wis",
"nature": "wis",
"occultism": "int",
"performance": "cha",
"religion": "wis",
"society": "int",
"stealth": "dex",
"survival": "wis",
"thievery": "dex",
}
@staticmethod
def all():
res = set(Features.defences) | set(Features.weapons)
res |= set(Features.saves)
res |= Features.skill_ability.keys()
return list(res)
@staticmethod
def expand(shortcuts: list[str]):
if "all" in shortcuts:
return Features.all()
res = set()
for shortcut in shortcuts:
for skill, ability in Features.skill_ability.items():
if shortcut == ability:
res.add(skill)
for feature in ["saves", "defences", "weapons"]:
if shortcut == feature:
res |= set(getattr(Features, feature))
return list(res)
class Modifier:
names = ["circumstance", "status", "item"]
def __init__(self, circumstance=0, status=0, item=0, untyped=0) -> None:
self.untyped = untyped
self.bonuses = dict()
self.penalties = dict()
for name in Modifier.names:
val = locals()[name]
if val > 0:
self.bonuses[name] = val
elif val < 0:
self.penalties[name] = val
def total(self):
res = self.untyped
for val in self.bonuses.values():
res += val
for val in self.penalties.values():
res += val
return res
def __iadd__(self, other):
if isinstance(other, int):
self.untyped += other
return self
if not isinstance(other, Modifier):
raise NotImplementedError
self.untyped += other.untyped
for name in (self.bonuses.keys() & other.bonuses.keys()):
self.bonuses[name] = max(self.bonuses.get(name, 0),
other.bonuses.get(name, 0))
for name in (self.penalties.keys() & other.penalties.keys()):
self.penalties[name] = min(self.penalties.get(name, 0),
other.penalties.get(name, 0))
return self
def __add__(self, other):
res = copy.deepcopy(self)
res += other
return res
__radd__ = __add__
@dataclass
class Condition:
name: str
filter: list
modifier: Modifier
class Conditions(list):
def modifier(self, features, exclude = None):
exclude = set(exclude) if exclude is not None else set()
features = set(features)
res = Modifier()
for condition in self:
positive = set(condition.filter) & features
negative = set(condition.filter) & exclude
if positive and not negative:
res += condition.modifier
return res
|
