add artificer class

Work still in progress, at now just basics.

dungeonsheets/classes/artificer.py

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+from collections import defaultdict
+
+from dungeonsheets import exceptions, features, monsters, weapons
+from dungeonsheets.classes.classes import CharClass, SubClass
+from dungeonsheets.stats import findattr
+
+
+class Alchemist(SubClass):
+    """An Alchemist is an expert at combining reagents to pro­duce mystical
+    effects. Alchemists use their creations to give life and to leech it away.
+    Alchemy is the oldest of ar­tificer traditions, and its versatility has
+    long been valued during times of war and peace.
+    """
+
+    name = "Alchemist"
+    features_by_level = defaultdict(list)
+    features_by_level[3] = [features.ToolProficiency]
+    features_by_level[5] = [features.AlchemicalSavant]
+    features_by_level[9] = [features.RestorativeReagents]
+    features_by_level[15] = [features.ChemicalMastery]
+
+
+class Artificer(CharClass):
+    name = "Artificer"
+    hit_dice_faces = 8
+    subclass_select_level = 3
+    saving_throw_proficiencies = ('intelligence', 'constitution')
+    primary_abilities = ('intelligence',)
+    _proficiencies_text = (
+            'Light armor', 'Medium armor', 'Shields', 'Simple weapons',
+            'Thieve\'s tools', 'Tinker\'s tools',
+            'One type of artisan\'s tools of your choice')
+    weapon_proficiencies = (weapon.SimpleWeapon)
+    class_skill_choices = ('Arcana', 'History', 'Investigation', 'Medicine',
+            'Nature', 'Perception', 'Sleight of Hand')
+    features_by_level = defaultdict(list)
+    features_by_level[1] = [features.MagicalTinkering]
+    features_by_level[2] = [features.InfuseItem]
+    features_by_level[3] = [features.TheRightToolForTheJob]
+    features_by_level[6] = [features.ToolExpertise]
+    features_by_level[7] = [features.FlashOfGenius]
+    features_by_level[10] = [features.MagicItemAdept]
+    features_by_level[11] = [features.SpellStoringItem]
+    features_by_level[14] = [features.MagicItemSavant]
+    features_by_level[18] = [features.MagicItemMaster]
+    features_by_level[20] = [features.SoulOfArtifice]
+    subclasses_available = (Alchemist, Artillerist, BattleSmith)
+    spellcasting_ability = 'intelligence'
+    spell_slots_by_level = {
+            1:  (2, 2, 0, 0, 0, 0, 0, 0, 0, 0),
+            2:  (2, 2, 0, 0, 0, 0, 0, 0, 0, 0),
+            3:  (2, 3, 0, 0, 0, 0, 0, 0, 0, 0),
+            4:  (2, 3, 0, 0, 0, 0, 0, 0, 0, 0),
+            5:  (2, 4, 2, 0, 0, 0, 0, 0, 0, 0),
+            6:  (2, 4, 2, 0, 0, 0, 0, 0, 0, 0),
+            7:  (2, 4, 3, 0, 0, 0, 0, 0, 0, 0),
+            8:  (2, 4, 3, 0, 0, 0, 0, 0, 0, 0),
+            9:  (2, 4, 3, 2, 0, 0, 0, 0, 0, 0),
+            10: (3, 4, 3, 2, 0, 0, 0, 0, 0, 0),
+            11: (3, 4, 3, 3, 0, 0, 0, 0, 0, 0),
+            12: (3, 4, 3, 3, 0, 0, 0, 0, 0, 0),
+            13: (3, 4, 3, 3, 1, 0, 0, 0, 0, 0),
+            14: (4, 4, 3, 3, 1, 0, 0, 0, 0, 0),
+            15: (4, 4, 3, 3, 2, 0, 0, 0, 0, 0),
+            16: (4, 4, 3, 3, 2, 0, 0, 0, 0, 0),
+            17: (4, 4, 3, 3, 3, 1, 0, 0, 0, 0),
+            18: (4, 4, 3, 3, 3, 1, 0, 0, 0, 0),
+            19: (4, 4, 3, 3, 3, 2, 0, 0, 0, 0),
+            20: (4, 4, 3, 3, 3, 2, 0, 0, 0, 0),
+

dungeonsheets/features/artificer.py

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+from dungeonsheets import spells
+from dungeonsheets.features.features import Feature, FeatureSelector
+
+class ToolProficiency(Feature):
+    """At 3rd level, you choose the type of specialist you are: Alchemist,
+    Artillerist, or Battle Smith, each of which is detailed at the end of the
+    class's description. Your choice grants you features at 5th level and again
+    at 9th and 15th level.
+    """
+
+    name = "Tool Proficiency"
+    source = "Artificer (Alchemist)"
+
+
+class AlchemicalSavant(Feature):
+    """At 5th level, you develop masterful command of magical chemicals,
+    enhancing the healing and damage you cre­ate through them. Whenever you
+    cast a spell using your alchemist's supplies as the spellcasting focus, you
+    gain a bonus to one roll of the spell. That roll must restore hit points or
+    be a damage roll that deals acid, fire, necrotic, or poison damage, and the
+    bonus equals your Intelli­gence modifier (minimum of +1).
+    """
+
+    name = "Alchemical Savant"
+    source = "Artificer (Alchemist)"
+
+
+class RestorativeReagents(Feature):
+    """Starting at 9th level, you can incorporate
+    restorative re­agents into some of your works:
+    - Whenever a creature drinks an experimental elixir you created, the
+      creature gains temporary hit points equal to 2d6 +your Intelligence
+      modifier (minimum of 1  temporary hit point).
+    - You can cast lesser restoration without expending a spell  slot and
+      without preparing the spell, provided you use alchemist's supplies as the
+      spellcasting focus. You can do so a number of times equal to your
+      Intelligence modifier (minimum of once), and you regain all expended uses
+      when you finish a long rest.
+    """
+
+    name = "Restorative Reagents"
+    source = "Artificer (Alchemist)"
+
+
+class ChemicalMastery(Feature):
+    """By 15th level, you have been  exposed to so many chem­icals that they
+    pose little risk to you, and you can use them to quickly end certain
+    ailments:
+    - You gain resistance to acid damage and poison dam­age, and you are immune
+      to the poisoned condition.
+    - You can cast greater restoration and heal without ex­pending a spell
+      slot, without preparing the spell, and without material components,
+      provided you use al­chemist's supplies as the spellcasting focus. Once
+      you cast either spell with this feature, you can't cast that spell with
+      it again until you finish a long rest.
+      """
+
+      name = "Chemical Mastery"
+      source = "Artificer (Alchemist)"
+
+
+class MagicalTinkering(Feature):
+    """At 1st level, you learn how to invest a spark of magic into mundane
+    objects. To use this ability, you must have tinker's tools or other
+    artisan's tools  in hand. You then touch a Tiny nonmagical object as an
+    action and give it one of the following magical properties of your choice:
+    - The object sheds bright light in a 5-foot radius and dim light for an
+      additional 5 fe et.
+    - Whenever tapped by a creature, the object emits a recorded message that
+      can be heard up to 10 feet away. You utter the message when you bestow
+      this property on the object, and the recording can be no more than 6
+      seconds long.
+    - The object continuously emits your choice of an odor or a nonverbal sound
+      (wind, waves, chirping, or the like). The chosen phenomenon is
+      perceivable up to  10 feet away.
+    - A static visual effect appears on one of the object's surfaces. This
+      effect can be a picture, up to 25 words of text, lines and shapes, or a
+      mixture of these elements, as you like. The chosen property lasts
+      indefinitely. As an action, you can touch the object and end the property
+      early. You can bestow magic on multiple objects, touching one object each
+      time you use this feature, though a single  object can only bear one
+      property at a time. The maximum number of objects you can affect with
+      this feature at one time is equal to your Intelligence modifier (minimum
+      of one object). If you try to exceed your maximum, the oldest property
+      immediately ends, and then the new property applies.
+      """
+
+      name = "Magical Tinkering"
+      source = "Artificer"
+
+
+class InfuseItem(Feature):
+    """At 2nd level, you gain the ability to imbue mundane items with certain
+    magical infusions. The magic items you create with this feature are
+    effectively prototypes of permanent items.
+
+    INFUSIONS KNOWN
+    When you gain this feature, pick four artificer infusions
+    to learn, choosing from the "Artificer Infusions" section at the end of the
+    class's description. You learn additional infusions of your choice when you
+    reach certain levels in this class, as shown in the Infusions Known column
+    of the Artificer table. Whenever you gain a level in this class, you can
+    re­place one of the artificer infusions you learned with a new one.
+
+    INFUSING AN ITEM
+    Whenever you finish a long rest, you can touch a non­magical object and
+    imbue it with one of your artificer in­fusions, turning it into a magic
+    item. An infusion works on only certain kinds of objects, as specified in
+    the infusion's description. If the item requires attunement, you can
+    attune yourself to it the instant you infuse the item. If you decide to
+    attune to the item later, you must do so using the normal process for
+    attunement (see "Attunement" in chapter 7 of the Dungeon Master's Guide).
+    Your infusion remains in an item indefinitely, but when you die, the
+    infusion vanishes after a number of days have passed equal to your
+    Intelligence modifier (minimum of 1 day). The infusion also vanishes if you
+    give up your knowledge of the infusion for another one. You can infuse more
+    than one nonmagical object at the end of a long rest; the maximum number of
+    objects appears in the Infused Items column of the Artificer table. You
+    must touch each of the objects, and each of your infusions can be in only
+    one object at a time. Moreover, no object can bear more than one of your
+    infusions at a time. If you try to exceed your maximum number of
+    in­fusions,  the  oldest infusion immediately ends, and then the new
+    infusion applies.
+    """
+
+    name = "Infuse Item"
+    source = "Artificer"
+
+
+class TheRightToolForTheJob(Feature):
+    """At 3rd level, you learn how to produce exactly the tool you need: with
+    tinker's tools in hand, you can magically create one set of artisan's tools
+    in an unoccupied space within 5 feet of you. This creation requires  1
+    hour of uninterrupted work, which can coincide with a short or long rest.
+    Though the product of magic, the tools are nonmagical, and they vanish when
+    you use this fea­ture again.
+    """
+
+    name = "The Right Tool For The Job"
+    source = "Artificer"
+
+
+class ToolExpertise(Feature):
+    """Starting at 6th level, your proficiency bonus is doubled for any ability
+    check you make that uses your proficiency with a tool.
+    """
+
+    name = "Tool Expertise"
+    source = "Artificer"
+
+
+class FlashOfGenius(Feature):
+    """Starting at 7th level, you gain the ability to come up with solutions
+    under pressure. When you or another creature you can see within 30 feet of
+    you makes an ability check or a saving throw, you can use your reaction to
+    add your Intelligence modifier to the roll. You can use this feature a
+    number of times equal to your Intelligence modifier (minimum of once). You
+    re­gain all expended uses when you finish a long rest.
+    """
+
+    name = "Flash Of Genius"
+    source = "Arificer"
+
+
+class MagicItemAdept(Feature):
+    """When you reach 10th level, you achieve a profound un­derstanding of how
+    to use and make magic items:
+    - You can attune to up to four magic items at once.
+    - If you craft a magic item with a rarity of common or uncommon, it takes
+      you a quarter of the normal time, and it costs you half as much of the
+      usual gold.
+      """
+
+      name = "Magic Item Adept"
+      source = "Artificer"
+
+
+class SpellStoringItem(Feature):
+    """At 11th level, you learn how to store a spell in an object. Whenever you
+    finish a long rest, you can touch one simple or martial weapon or one item
+    that you can use as a spellcasting focus, and you store a spell in it,
+    choosing a  1st- or 2nd-level spell from the artificer spell list that
+    requires 1 action to cast (you needn't have it prepared).
+
+    While holding the object, a creature can take an action to produce the
+    spell's effect from it, using your spellcast­ing ability modifier. If the
+    spell requires concentration, the creature must concentrate. The spell
+    stays in the ob­ject until it's been used a number of times equal to twice
+    your Intelligence  modifier (minimum of twice) or until you use this fe
+    ature again to store a spell in an object.
+    """
+
+    name = "Spell-Storing Item"
+    source = "Artificer"
+
+
+class MagicItemSavant(Feature):
+    """At 14th level, your skill with magic items deepens more:
+    - You can attune to up to five magic items at once.
+    - You ignore all class, race, spell, and level require­ments on attuning to
+      or using a magic item.
+    """
+
+    name = "Magic Item Savant"
+    source = "Artificer"
+
+
+class MagicItemMaster(Feature):
+    """Starting at  18th level, you can attune to up to six magic items at
+    once.
+    """
+
+    name = "Magic Item Master"
+    source = "Artificer"
+
+
+class SoulOfArtifice(Feature):
+    """At 20th level, you develop a mystical connection to your magic items,
+    which you can draw on for protection:
+    - You gain a +1 bonus to all saving throws per magic item you are currently
+      attuned to.
+    - If you're reduced to 0 hit points but not killed out­right, you can use
+      your reaction to end one of your artificer infusions, causing you to drop
+      to  1  hit point instead of 0.
+    """
+
+    name = "Soul Of Artifice"
+    source = "Artificer"