Initial Commit

.gitignore

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+.venv

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml

.idea/dnd_dm_toolkit.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.venv" />
+    </content>
+    <orderEntry type="jdk" jdkName="Python 3.13 (dnd_dm_toolkit)" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/inspectionProfiles/profiles_settings.xml

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+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Black">
+    <option name="sdkName" value="Python 3.13 (dnd_dm_toolkit)" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.13 (dnd_dm_toolkit)" project-jdk-type="Python SDK" />
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/dnd_dm_toolkit.iml" filepath="$PROJECT_DIR$/.idea/dnd_dm_toolkit.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

src/dnd_dm_toolkit/core/constants.py

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+from .sentinel import _AllStatsSentinel
+
+ALL_STATS = _AllStatsSentinel()
+
+MAXIMUM_STAT_VALUE = 30

src/dnd_dm_toolkit/core/enums/game.py

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+from enum import Enum, auto
+
+class Ability(Enum):
+    """
+    The six core ability scores in Dungeons & Dragons, which represent a character's
+    innate physical and mental capabilities. These abilities influence skill checks,
+    attack rolls, saving throws, and other mechanics.
+
+    - STRENGTH: Physical power, affects melee attacks and lifting/carrying capacity.
+    - DEXTERITY: Agility and reflexes, affects ranged attacks, AC, and initiative.
+    - CONSTITUTION: Endurance and health, affects hit points and resistance to fatigue/poison.
+    - INTELLIGENCE: Reasoning and memory, affects knowledge-based skills and spellcasting for some classes.
+    - WISDOM: Perception and insight, affects awareness, intuition, and some spellcasting.
+    - CHARISMA: Force of personality, affects social interactions and some spellcasting.
+    """
+    STRENGTH = auto()
+    DEXTERITY = auto()
+    CONSTITUTION = auto()
+    INTELLIGENCE = auto()
+    WISDOM = auto()
+    CHARISMA = auto()
+
+class Skill(Enum):
+    """
+    List of character skills, each tied to a specific ability score.
+    Skills determine how well a character performs certain tasks and checks in the game.
+
+    - ACROBATICS (DEX): Balance, agility, and tumbling.
+    - ANIMAL_HANDLING (WIS): Calming or controlling animals.
+    - ARCANA (INT): Knowledge of magic, spells, and magical traditions.
+    - ATHLETICS (STR): Climbing, swimming, jumping, and other physical feats.
+    - DECEPTION (CHA): Lying, misleading, or bluffing.
+    - HISTORY (INT): Knowledge of historical events and civilizations.
+    - INSIGHT (WIS): Detecting motives, emotions, or hidden truths.
+    - INTIMIDATION (CHA): Coercing or threatening others.
+    - INVESTIGATION (INT): Searching for clues, analyzing evidence.
+    - MEDICINE (WIS): Treating wounds, diagnosing illness.
+    - NATURE (INT): Knowledge of plants, animals, terrain, and weather.
+    - PERCEPTION (WIS): Spotting, hearing, or noticing hidden things.
+    - PERFORMANCE (CHA): Acting, singing, dancing, or entertaining.
+    - PERSUASION (CHA): Convincing others through charm or negotiation.
+    - RELIGION (INT): Knowledge of deities, rituals, and sacred traditions.
+    - SLEIGHT_OF_HAND (DEX): Pickpocketing, trickery with hands.
+    - STEALTH (DEX): Moving silently or hiding.
+    - SURVIVAL (WIS): Tracking, foraging, and surviving in the wild.
+    """
+    ACROBATICS = auto()
+    ANIMAL_HANDLING = auto()
+    ARCANA = auto()
+    ATHLETICS = auto()
+    DECEPTION = auto()
+    HISTORY = auto()
+    INSIGHT = auto()
+    INTIMIDATION = auto()
+    INVESTIGATION = auto()
+    MEDICINE = auto()
+    NATURE = auto()
+    PERCEPTION = auto()
+    PERFORMANCE = auto()
+    PERSUASION = auto()
+    RELIGION = auto()
+    SLEIGHT_OF_HAND = auto()
+    STEALTH = auto()
+    SURVIVAL = auto()
+
+class CheckDifficulty(Enum):
+    """
+    Difficulty class (DC) levels for ability and skill checks.
+    These represent the target number a player must meet or exceed on a d20 roll
+    to succeed at a task.
+
+    - VERY_EASY: DC 5
+    - EASY: DC 10
+    - MEDIUM: DC 15
+    - HARD: DC 20
+    - VERY_HARD: DC 25
+    - NEARLY_IMPOSSIBLE: DC 30
+    """
+    VERY_EASY = 5
+    EASY = 10
+    MEDIUM = 15
+    HARD = 20
+    VERY_HARD = 25
+    NEARLY_IMPOSSIBLE = 30
+
+class TravelPace(Enum):
+    """
+    Standard travel paces for overland movement, given in feet per hour, feet per day,
+    and maximum hours per day. Adjusted for character movement and terrain.
+
+    - FAST: Covers more distance but reduces perception and may cause exhaustion.
+    - NORMAL: Default pace for most travel.
+    - SLOW: Moves cautiously, allowing better perception and reduced fatigue.
+    """
+    FAST = (400, 4000, 30000)  # (feet per minute, feet per hour, feet per day)
+    NORMAL = (300, 3000, 24000)
+    SLOW = (200, 2000, 18000)
+
+class CreatureSize(Enum):
+    """
+    Represents creature sizes and their occupied space on the battle grid.
+
+    Each value is a tuple of (side length in feet, grid cells).
+
+    - TINY: 2.5 ft, 0 cells (½ × ½ grid)
+    - SMALL: 5 ft, 1 cell (1 × 1 grid)
+    - MEDIUM: 5 ft, 1 cell (1 × 1 grid)
+    - LARGE: 10 ft, 2 cells (2 × 2 grid)
+    - HUGE: 15 ft, 3 cells (3 × 3 grid)
+    - GARGANTUAN: 20 ft, 4 cells (4 × 4 grid)
+    """
+    TINY = (2.5, 0.25)
+    SMALL = (5, 1)
+    MEDIUM = (5, 1)
+    LARGE = (10, 2)
+    HUGE = (15, 3)
+    GARGANTUAN = (20, 4)
+
+class CoverType(Enum):
+    """
+    Types of cover in combat, affecting how hard it is to hit a creature.
+
+    Attributes:
+        NO_COVER: Creature is fully exposed, no protection.
+        HALF: Creature has partial cover, some protection from attacks.
+        THREE_QUARTERS: Creature is mostly behind cover, harder to hit.
+        TOTAL: Creature is completely behind cover, nearly immune to attacks.
+    """
+    NO_COVER = None
+    HALF = auto()
+    THREE_QUARTERS = auto()
+    TOTAL = auto()
+
+class AlignmentLC(Enum):
+    """
+    Law–Chaos alignment axis.
+
+    This axis describes a character’s attitude toward order, tradition,
+    authority, and structure versus freedom, individuality, and spontaneity.
+
+    - LAWFUL: Values order, rules, hierarchy, and tradition.
+    - VERITABLE: Neutral position on the Law–Chaos axis. The character does not
+      strongly favor either structure or anarchy. The term is intentionally
+      chosen to emphasize balance and internal consistency rather than indifference.
+    - CHAOTIC: Values personal freedom, adaptability, and rejection of imposed order.
+    """
+    LAWFUL = auto()
+    VERITABLE = auto()
+    CHAOTIC = auto()
+
+class AlignmentGE(Enum):
+    """
+    Good–Evil alignment axis.
+
+    This axis represents a character’s moral outlook and concern for the
+    well-being of others.
+
+    - GOOD: Acts with altruism, compassion, and respect for life.
+    - NEUTRAL: Lacks strong moral commitment toward good or evil.
+    - EVIL: Acts with cruelty, selfishness, or disregard for others.
+    """
+    GOOD = auto()
+    NEUTRAL = auto()
+    EVIL = auto()
+
+class LanguageScript(Enum):
+    """Writing systems used by languages."""
+    NONE = auto() # Language hasn't writing system
+    COMMON = auto()
+    DWARVISH = auto()
+    ELVISH = auto()
+    INFERNAL = auto()
+    DRACONIC = auto()
+    CELESTIAL = auto()
+
+class LanguageRarity(Enum):
+    """How common a language is."""
+    STANDARD = auto()
+    EXOTIC = auto()
+    SECRET = auto()
+
+class CreatureType(Enum):
+    HUMANOID = auto()
+
+class FeatureSource(Enum):
+    RACE = auto()
+    CLASS = auto()
+    SPELL = auto()
+    ITEM = auto()
+
+class LightCoverage(Enum):
+    FULL = auto()
+    DIM = auto()
+    DARK = auto()
+
+class EventType(Enum):
+    """All possible game events that can be hooked."""
+
+    # Attack Events
+    BEFORE_ATTACK = auto()
+    AFTER_ATTACK = auto()
+    ATTACK_HIT = auto()
+    ATTACK_MISS = auto()
+    CRITICAL_HIT = auto()
+
+    # Damage Events
+    BEFORE_DAMAGE = auto()
+    AFTER_DAMAGE = auto()
+    DAMAGE_TAKEN = auto()
+    DAMAGE_DEALT = auto()
+
+    # Saving Throw Events
+    BEFORE_SAVING_THROW = auto()
+    AFTER_SAVING_THROW = auto()
+    SAVING_THROW_SUCCESS = auto()
+    SAVING_THROW_FAILURE = auto()
+
+    # Ability Check Events
+    BEFORE_ABILITY_CHECK = auto()
+    AFTER_ABILITY_CHECK = auto()
+
+    # Skill Check Events
+    BEFORE_SKILL_CHECK = auto()
+    AFTER_SKILL_CHECK = auto()
+
+    # Movement Events
+    BEFORE_MOVE = auto()
+    AFTER_MOVE = auto()
+
+    # HP Events
+    HP_GAINED = auto()
+    HP_LOST = auto()
+    HP_ZERO = auto()
+
+    # Turn Events
+    TURN_START = auto()
+    TURN_END = auto()
+
+    # Rest Events
+    SHORT_REST = auto()
+    LONG_REST = auto()
+
+    # Level Events
+    LEVEL_UP = auto()

src/dnd_dm_toolkit/core/sentinel.py

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+class _AllStatsSentinel:
+    """Sentinel для обозначения 'любые навыки'"""
+    _instance = None
+
+    def __new__(cls):
+        if cls._instance is None:
+            cls._instance = super().__new__(cls)
+        return cls._instance
+
+    def __repr__(self):
+        return "ALL_STATS"
+
+    def __eq__(self, other: object) -> bool:
+        return isinstance(other, _AllStatsSentinel)
+
+    def __hash__(self) -> int:
+        return hash("ALL_STATS")

src/dnd_dm_toolkit/core/stuctures/character.py

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+import warnings
+from typing import List, Callable, Protocol, Any
+from dataclasses import dataclass
+from ..enums.game import (
+    Ability,
+    Skill,
+    AlignmentLC,
+    AlignmentGE,
+    CreatureSize,
+    LanguageScript,
+    LanguageRarity,
+    CreatureType
+)
+from ..sentinel import _AllStatsSentinel
+from ..constants import MAXIMUM_STAT_VALUE
+
+@dataclass
+class Attributes:
+    """
+    Represents the six core ability scores of a character.
+
+    Ability scores define a character’s physical and mental capabilities
+    and serve as the foundation for most game mechanics, including skill
+    checks, saving throws, attacks, and spellcasting.
+
+    Each value is typically in the range 1–30.
+    """
+    strength: int
+    dexterity: int
+    constitution: int
+    intelligence: int
+    wisdom: int
+    charisma: int
+
+    def __post_init__(self):
+        """Validate class definition."""
+        for name, value in self.__dict__.items():
+            if getattr(self, name) > MAXIMUM_STAT_VALUE:
+                warnings.warn("Current rules configuration does not support "
+                              f"creating character with stat's higher that {MAXIMUM_STAT_VALUE}, "
+                              f"{name} attribute set to {MAXIMUM_STAT_VALUE}",
+                              UserWarning)
+                setattr(self, name, MAXIMUM_STAT_VALUE)
+
+@dataclass(frozen=True)
+class CharacterClass:
+    """
+    Describes a character’s class.
+
+    A character class defines the character’s role, core mechanics, and
+    progression framework, including hit dice, proficiencies, and
+    recommended abilities.
+
+    This object is intended to be immutable and reusable, allowing both
+    SRD and homebrew classes to be defined as constants.
+    """
+    name: str
+    hit_die: int
+    description: str
+    skill_choices: int
+    saving_throws: List[Ability]
+    abilities: List[Ability] | _AllStatsSentinel | None = None
+    skills: List[Skill] | _AllStatsSentinel | None = None
+
+    def __post_init__(self):
+        """Validate class definition."""
+        if self.skills is None:
+            raise ValueError(f"{self.name}: 'skills' must be specified explicitly")
+
+        if self.abilities is None:
+            object.__setattr__(self, 'abilities', [])
+
+        if self.hit_die not in {6, 8, 10, 12}:
+            raise ValueError(
+                f"{self.name}: hit_die must be 6, 8, 10, or 12 (got {self.hit_die})"
+            )
+
+        if self.skill_choices < 0:
+            raise ValueError(
+                f"{self.name}: skill_choices cannot be negative"
+            )
+
+        if self.skill_choices > 10:
+            warnings.warn(
+                f"{self.name}: skill_choices={self.skill_choices} is unusually high. "
+                f"Are you sure this is intended?",
+                UserWarning
+            )
+
+        if not isinstance(self.skills, _AllStatsSentinel):
+            if len(self.skills) < self.skill_choices:
+                raise ValueError(
+                    f"{self.name}: skill_choices={self.skill_choices} but only "
+                    f"{len(self.skills)} skills available"
+                )
+
+@dataclass
+class Alignment:
+    """
+    Represents a character’s alignment using two independent axes:
+    Law–Chaos and Good–Evil.
+
+    This structure follows the standard Dungeons & Dragons alignment model
+    as defined in the SRD, without extensions or intermediate states.
+    """
+    lc_axis: AlignmentLC
+    ge_axis: AlignmentGE
+
+@dataclass(frozen=True)
+class ActionDefinition:
+    name: str
+    related_abilities: list[Ability]
+    related_skills: list[Skill]
+    description: str
+
+@dataclass
+class CharacterItem:
+    pass
+
+@dataclass
+class CharacterToolKits(CharacterItem):
+    pass
+
+class Featureable(Protocol):
+    pass
+
+@dataclass
+class Feature:
+    """Abstract mechanic/feature"""
+    name: str
+    source: Featureable
+    description: str
+    stackable: bool
+    apply: Callable[[Featureable], None] | None = None # If None = Feature not mechanical
+    condition: Callable[[Featureable], bool] | None = None # If None = Feature always works
+
+    def __post_init__(self):
+        if not self.apply:
+            if self.condition:
+                warnings.warn("Non-mechanical features cannot have the condition "
+                              "`self.condition` field rewritten to `None`",
+                              UserWarning)
+                self.condition = None
+
+@dataclass(frozen=True)
+class Background:
+    """
+    Represents a character background.
+
+    A background describes a character’s life before adventuring and
+    provides narrative context, recommended abilities, proficiencies,
+    and special features.
+
+    The behavioral logic of a background (such as granting proficiencies
+    or feats) is intended to be applied externally via a callable.
+    """
+    name: str
+    recommended_abilities: List[Ability]
+    background_specs: List[Feature]
+
+@dataclass(frozen=True)
+class Language:
+    """
+    Represents a language in the game world.
+
+    Attributes:
+        name: Language name (e.g., "Common", "Elvish").
+        script: Writing system used, or None for spoken-only languages.
+        rarity: How common the language is (standard/exotic/secret).
+        description: Brief description of the language.
+    """
+    name: str
+    script: LanguageScript
+    rarity: LanguageRarity
+    description: str = ""
+
+@dataclass(frozen=True)
+class Race:
+    """
+    Defines a playable race with its inherent traits and abilities.
+
+    A race represents a character's species and provides ability score
+    increases, size, speed, languages, and special features.
+
+    Attributes:
+        name: Race name (e.g., "Hill Dwarf", "High Elf").
+        ability_score_increases: Mapping of abilities to their bonuses.
+        size: The race's size category.
+        speed: Base walking speed in feet.
+        languages: Languages the race knows automatically.
+        features: List of racial features (darkvision, resistances, etc.).
+        age_description: Optional description of the race's lifespan.
+        alignment_tendency: Optional typical alignment for the race.
+    """
+    name: str
+    ability_score_increases: dict[Ability, int]
+    size: CreatureSize
+    speed: int
+    type: CreatureType
+    languages: list[Language]
+    features: list[Feature]
+    age_description: str = ""
+    alignment_tendency: str = ""
+    extra_language_choices: int = 0

src/dnd_dm_toolkit/core/stuctures/event.py

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+from typing import Dict, Any
+from dataclasses import dataclass
+from ..enums.game import (
+    EventType,
+    Ability,
+    Skill
+)
+
+@dataclass
+class GameEvent:
+    """
+    Base class for all game events.
+
+    Attributes:
+        event_type: The type of event.
+        source: Entity that triggered the event (e.g., Character, Monster).
+        target: Entity affected by the event (optional).
+        data: Additional event-specific data.
+        cancelled: If True, the event is cancelled and won't proceed.
+    """
+    event_type: EventType
+    source: Any
+    target: Any | None = None
+    data: Dict[str, Any] | None = None
+    cancelled: bool = False
+
+    def cancel(self):
+        """Cancel this event."""
+        self.cancelled = True
+
+# Specific Event Types
+
+@dataclass
+class AttackEvent(GameEvent):
+    """Event for attacks."""
+    attacker: Any = None
+    defender: Any = None
+    weapon: Any | None = None
+    attack_roll: int | None = None
+    is_hit: bool = False
+    is_critical: bool = False
+
+@dataclass
+class DamageEvent(GameEvent):
+    """Event for damage."""
+    amount: int = 0
+    damage_type: str = "untyped"
+    is_critical: bool = False
+
+@dataclass
+class SavingThrowEvent(GameEvent):
+    """Event for saving throws."""
+    ability: Ability = None
+    dc: int = 10
+    roll_result: int | None = None
+    is_success: bool = False
+
+@dataclass
+class AbilityCheckEvent(GameEvent):
+    """Event for ability checks."""
+    ability: Ability = None
+    dc: int = 10
+    roll_result: int | None = None
+    is_success: bool = False
+
+@dataclass
+class SkillCheckEvent(GameEvent):
+    """Event for skill checks."""
+    skill: Skill = None
+    dc: int = 10
+    roll_result: int | None = None
+    is_success: bool = False

src/dnd_dm_toolkit/data/stats.py

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+from ..core.enums.game import Ability, Skill
+
+skill_to_ability = {
+    Skill.ACROBATICS: Ability.DEXTERITY,
+    Skill.ANIMAL_HANDLING: Ability.WISDOM,
+    Skill.ARCANA: Ability.INTELLIGENCE,
+    Skill.ATHLETICS: Ability.STRENGTH,
+    Skill.DECEPTION: Ability.CHARISMA,
+    Skill.HISTORY: Ability.INTELLIGENCE,
+    Skill.INSIGHT: Ability.WISDOM,
+    Skill.INTIMIDATION: Ability.CHARISMA,
+    Skill.INVESTIGATION: Ability.INTELLIGENCE,
+    Skill.MEDICINE: Ability.WISDOM,
+    Skill.NATURE: Ability.INTELLIGENCE,
+    Skill.PERCEPTION: Ability.WISDOM,
+    Skill.PERFORMANCE: Ability.CHARISMA,
+    Skill.PERSUASION: Ability.CHARISMA,
+    Skill.RELIGION: Ability.INTELLIGENCE,
+    Skill.SLEIGHT_OF_HAND: Ability.DEXTERITY,
+    Skill.STEALTH: Ability.DEXTERITY,
+    Skill.SURVIVAL: Ability.WISDOM,
+}
+
+proficiency_bonus_by_level = {
+    1: 2,
+    2: 2,
+    3: 2,
+    4: 2,
+    5: 3,
+    6: 3,
+    7: 3,
+    8: 3,
+    9: 4,
+    10: 4,
+    11: 4,
+    12: 4,
+    13: 5,
+    14: 5,
+    15: 5,
+    16: 5,
+    17: 6,
+    18: 6,
+    19: 6,
+    20: 6
+}

src/dnd_dm_toolkit/entities/classes.py

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+from ..core.constants import ALL_STATS
+from ..core.enums.game import Ability, Skill
+from ..core.stuctures.character import CharacterClass
+
+BARBARIAN = CharacterClass(
+    name="Barbarian",
+    hit_die=12,
+    description="Savage warriors of unbridled fury.",
+    saving_throws=[Ability.STRENGTH, Ability.CONSTITUTION],
+    skill_choices=2,
+    skills=[
+        Skill.ANIMAL_HANDLING, Skill.ATHLETICS, Skill.INTIMIDATION,
+        Skill.NATURE, Skill.PERCEPTION, Skill.SURVIVAL
+    ],
+)
+
+BARD = CharacterClass(
+    name="Bard",
+    hit_die=8,
+    description="Inspirational performers whose music weaves magic.",
+    saving_throws=[Ability.DEXTERITY, Ability.CHARISMA],
+    skill_choices=3,
+    skills=ALL_STATS
+)
+
+CLERIC = CharacterClass(
+    name="Cleric",
+    hit_die=8,
+    description="Divine agents wielding holy power to heal or harm.",
+    saving_throws=[Ability.WISDOM, Ability.CHARISMA],
+    skill_choices=2,
+    skills=[
+        Skill.HISTORY, Skill.INSIGHT, Skill.MEDICINE,
+        Skill.PERSUASION, Skill.RELIGION
+    ],
+)
+
+DRUID = CharacterClass(
+    name="Druid",
+    hit_die=8,
+    description="Nature speakers who command elemental forces.",
+    saving_throws=[Ability.INTELLIGENCE, Ability.WISDOM],
+    skill_choices=2,
+    skills=[
+        Skill.ARCANA, Skill.INSIGHT, Skill.MEDICINE,
+        Skill.NATURE, Skill.PERCEPTION, Skill.RELIGION,
+        Skill.SURVIVAL
+    ],
+)
+
+FIGHTER = CharacterClass(
+    name="Fighter",
+    hit_die=10,
+    description="Versatile warriors trained in weapons and armor.",
+    saving_throws=[Ability.STRENGTH, Ability.CONSTITUTION],
+    skill_choices=2,
+    skills=[
+        Skill.ACROBATICS, Skill.ANIMAL_HANDLING, Skill.ATHLETICS,
+        Skill.HISTORY, Skill.INSIGHT, Skill.INTIMIDATION,
+        Skill.PERCEPTION, Skill.SURVIVAL
+    ],
+)
+
+MONK = CharacterClass(
+    name="Monk",
+    hit_die=8,
+    description="Masters of martial arts and mystic ki.",
+    saving_throws=[Ability.STRENGTH, Ability.DEXTERITY],
+    skill_choices=2,
+    skills=[
+        Skill.ACROBATICS, Skill.ATHLETICS, Skill.HISTORY,
+        Skill.INSIGHT, Skill.RELIGION, Skill.STEALTH
+    ],
+)
+
+PALADIN = CharacterClass(
+    name="Paladin",
+    hit_die=10,
+    description="Holy knights who smite foes and protect allies.",
+    saving_throws=[Ability.WISDOM, Ability.CHARISMA],
+    skill_choices=2,
+    skills=[
+        Skill.ATHLETICS, Skill.INSIGHT, Skill.INTIMIDATION,
+        Skill.MEDICINE, Skill.PERSUASION, Skill.RELIGION
+    ],
+)
+
+# Ranger
+RANGER = CharacterClass(
+    name="Ranger",
+    hit_die=10,
+    description="Skilled hunters and wilderness warriors.",
+    saving_throws=[Ability.STRENGTH, Ability.DEXTERITY],
+    skill_choices=3,
+    skills=[
+        Skill.ANIMAL_HANDLING, Skill.ATHLETICS, Skill.INSIGHT,
+        Skill.INVESTIGATION, Skill.NATURE, Skill.PERCEPTION,
+        Skill.STEALTH, Skill.SURVIVAL
+    ],
+)
+
+ROGUE = CharacterClass(
+    name="Rogue",
+    hit_die=8,
+    description="Stealthy opportunists and skill experts.",
+    saving_throws=[Ability.DEXTERITY, Ability.INTELLIGENCE],
+    skill_choices=4,
+    skills=[
+        Skill.ACROBATICS, Skill.ATHLETICS, Skill.DECEPTION,
+        Skill.INSIGHT, Skill.INTIMIDATION, Skill.INVESTIGATION,
+        Skill.PERCEPTION, Skill.PERFORMANCE,
+        Skill.PERSUASION, Skill.SLEIGHT_OF_HAND,
+        Skill.STEALTH, Skill.SURVIVAL
+    ],
+)
+
+SORCERER = CharacterClass(
+    name="Sorcerer",
+    hit_die=6,
+    description="Innate spellcasters fueled by raw power.",
+    saving_throws=[Ability.CONSTITUTION, Ability.CHARISMA],
+    skill_choices=2,
+    skills=[
+        Skill.ARCANA, Skill.DECEPTION, Skill.INSIGHT,
+        Skill.INTIMIDATION, Skill.PERSUASION, Skill.RELIGION
+    ],
+)
+
+WARLOCK = CharacterClass(
+    name="Warlock",
+    hit_die=8,
+    description="Pact-bound wielders of forbidden power.",
+    saving_throws=[Ability.WISDOM, Ability.CHARISMA],
+    skill_choices=2,
+    skills=[
+        Skill.ARCANA, Skill.DECEPTION, Skill.HISTORY,
+        Skill.INSIGHT, Skill.INTIMIDATION, Skill.INVESTIGATION,
+        Skill.PERCEPTION, Skill.RELIGION
+    ],
+)
+
+WIZARD = CharacterClass(
+    name="Wizard",
+    hit_die=6,
+    description="Scholars of the arcane arts.",
+    saving_throws=[Ability.INTELLIGENCE, Ability.WISDOM],
+    skill_choices=2,
+    skills=[
+        Skill.ARCANA, Skill.HISTORY, Skill.INSIGHT,
+        Skill.INVESTIGATION, Skill.MEDICINE, Skill.RELIGION
+    ],
+)

src/dnd_dm_toolkit/entities/featues/func.py

@@ -0,0 +1,4 @@
+from ...core.stuctures.character import Featureable
+
+def darkvision(entity: Featureable):
+    pass

src/dnd_dm_toolkit/entities/featues/objects.py

@@ -0,0 +1,6 @@
+from ...core.enums.game import FeatureSource
+from ...core.stuctures.character import Feature
+
+DARKVISION = Feature(
+
+)

src/dnd_dm_toolkit/entities/languages.py

@@ -0,0 +1,160 @@
+from ..core.stuctures.character import (
+    LanguageScript,
+    LanguageRarity,
+    Language
+)
+
+# === STANDARD LANGUAGES ===
+
+COMMON = Language(
+    name="Common",
+    script=LanguageScript.COMMON,
+    rarity=LanguageRarity.STANDARD,
+    description="The trade language spoken across most civilized lands."
+)
+
+COMMON_SIGN_LANG = Language(
+    name="Common",
+    script=LanguageScript.NONE,
+    rarity=LanguageRarity.STANDARD,
+    description="The trade sign language spoken across most civilized lands."
+)
+
+DRACONIC = Language(
+    name="Draconic",
+    script=LanguageScript.DRACONIC,
+    rarity=LanguageRarity.STANDARD,
+    description="One of the oldest languages, often used in magic studies."
+)
+
+DWARVISH = Language(
+    name="Dwarvish",
+    script=LanguageScript.DWARVISH,
+    rarity=LanguageRarity.STANDARD,
+    description="Full of hard consonants and guttural sounds."
+)
+
+ELVISH = Language(
+    name="Elvish",
+    script=LanguageScript.ELVISH,
+    rarity=LanguageRarity.STANDARD,
+    description="Fluid, with subtle intonations and intricate grammar."
+)
+
+GIANT = Language(
+    name="Giant",
+    script=LanguageScript.DWARVISH,
+    rarity=LanguageRarity.STANDARD,
+    description="The language of giants and their kin."
+)
+
+GNOMISH = Language(
+    name="Gnomish",
+    script=LanguageScript.DWARVISH,
+    rarity=LanguageRarity.STANDARD,
+    description="Renowned for technical treatises and catalogs of knowledge."
+)
+
+GOBLIN = Language(
+    name="Goblin",
+    script=LanguageScript.DWARVISH,
+    rarity=LanguageRarity.STANDARD,
+    description="Harsh and strident, spoken by goblins, hobgoblins, and bugbears."
+)
+
+HALFLING = Language(
+    name="Halfling",
+    script=LanguageScript.COMMON,
+    rarity=LanguageRarity.STANDARD,
+    description="Not often written; halflings have a strong oral tradition."
+)
+
+ORC = Language(
+    name="Orc",
+    script=LanguageScript.DWARVISH,
+    rarity=LanguageRarity.STANDARD,
+    description="Harsh and grating, with hard consonants and no script of its own."
+)
+
+# === EXOTIC LANGUAGES ===
+
+ABYSSAL = Language(
+    name="Abyssal",
+    script=LanguageScript.INFERNAL,
+    rarity=LanguageRarity.EXOTIC,
+    description="The language of demons and the Abyss."
+)
+
+CELESTIAL = Language(
+    name="Celestial",
+    script=LanguageScript.CELESTIAL,
+    rarity=LanguageRarity.EXOTIC,
+    description="The tongue of angels and other good outsiders."
+)
+
+DEEP_SPEECH = Language(
+    name="Deep Speech",
+    script=LanguageScript.NONE,
+    rarity=LanguageRarity.EXOTIC,
+    description="An alien language spoken by aberrations from the Far Realm."
+)
+
+INFERNAL = Language(
+    name="Infernal",
+    script=LanguageScript.INFERNAL,
+    rarity=LanguageRarity.EXOTIC,
+    description="The language of devils and the Nine Hells."
+)
+
+PRIMORDIAL = Language(
+    name="Primordial",
+    script=LanguageScript.DWARVISH,
+    rarity=LanguageRarity.EXOTIC,
+    description="The language of elementals, with dialects: Aquan, Auran, Ignan, Terran."
+)
+
+SYLVAN = Language(
+    name="Sylvan",
+    script=LanguageScript.ELVISH,
+    rarity=LanguageRarity.EXOTIC,
+    description="The language of the Feywild and its inhabitants."
+)
+
+UNDERCOMMON = Language(
+    name="Undercommon",
+    script=LanguageScript.ELVISH,
+    rarity=LanguageRarity.EXOTIC,
+    description="The trade language of the Underdark."
+)
+
+# === SECRET LANGUAGES ===
+
+DRUIDIC = Language(
+    name="Druidic",
+    script=LanguageScript.NONE,
+    rarity=LanguageRarity.SECRET,
+    description="Secret language of druids. Druids are forbidden to teach it to non-druids."
+)
+
+THIEVES_CANT = Language(
+    name="Thieves' Cant",
+    script=LanguageScript.NONE,
+    rarity=LanguageRarity.SECRET,
+    description="A secret mix of slang and coded messages used by criminals."
+)
+
+# Convenience: all languages in one place
+ALL_LANGUAGES = [
+    COMMON, DWARVISH, ELVISH, GIANT, GNOMISH, GOBLIN, HALFLING, ORC,
+    ABYSSAL, CELESTIAL, DRACONIC, DEEP_SPEECH, INFERNAL, PRIMORDIAL,
+    SYLVAN, UNDERCOMMON, DRUIDIC, THIEVES_CANT
+]
+
+STANDARD_LANGUAGES = [
+    COMMON, DRACONIC, DWARVISH, ELVISH, GIANT, GNOMISH, GOBLIN, HALFLING, ORC
+]
+
+EXOTIC_LANGUAGES = [
+    ABYSSAL, CELESTIAL, DEEP_SPEECH, INFERNAL, PRIMORDIAL,
+    SYLVAN, UNDERCOMMON
+]

src/dnd_dm_toolkit/rules/core.py

@@ -0,0 +1,37 @@
+from typing import List
+from ..core.stuctures.character import CharacterClass, Race, Attributes, Background, Language, Featureable
+
+class Character(Featureable):
+    def __init__(self,
+                 race: Race,
+                 dnd_class: CharacterClass,
+                 attrs: Attributes,
+                 background: Background,
+                 languages: List[Language]
+                ):
+        self._char_race = race
+        self._char_cls = dnd_class
+        self._char_attrs = attrs
+        self._char_background = background
+        self._char_languages = languages
+
+        # Special Fields
+        self._char_features = list()
+        self._current_level = 0
+        self._char_available_languages = list()
+
+        self._init_languages()
+        self._init_features()
+        self.level_up()
+
+    def _init_languages(self):
+        pass
+
+    def _init_features(self):
+        all_features = self._char_race.features + self._char_background.background_specs
+
+        for feature in all_features:
+            pass
+
+    def level_up(self):
+        pass

src/dnd_dm_toolkit/scrapper.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+OUTPUT="all_code.txt"
+ROOT="."
+
+> "$OUTPUT"
+
+find "$ROOT" \
+  -type d -name "__pycache__" -prune -o \
+  -type f -name "*.py" ! -name "*.pyc" \
+  -print | sort | while read -r file; do
+    echo "########################################" >> "$OUTPUT"
+    echo "# FILE: $file" >> "$OUTPUT"
+    echo "########################################" >> "$OUTPUT"
+    echo >> "$OUTPUT"
+    cat "$file" >> "$OUTPUT"
+    echo -e "\n\n" >> "$OUTPUT"
+done

src/dnd_dm_toolkit/utils/languages.py

@@ -0,0 +1,30 @@
+from ..core.enums.game import LanguageRarity
+from ..core.stuctures.character import Language, Race
+
+def get_available_languages(
+        race: Race,
+        exclude_secret: bool = True
+) -> list[Language]:
+    """
+    Returns languages available for a character to learn.
+
+    Args:
+        race: The character's race.
+        exclude_secret: If True, excludes secret languages (Druidic, Thieves' Cant).
+
+    Returns:
+        List of learnable languages.
+    """
+    from ..entities.languages import ALL_LANGUAGES
+
+    # Already known languages
+    known = set(race.languages)
+
+    # Available languages
+    available = [
+        lang for lang in ALL_LANGUAGES
+        if lang not in known
+           and (not exclude_secret or lang.rarity != LanguageRarity.SECRET)
+    ]
+
+    return available