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Documented crazy encounter schema. #7

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Eevee 2009-05-17 00:18:10 -07:00
parent b9820bec29
commit 204fe28c7a
1 changed files with 44 additions and 0 deletions
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44
pokedex/db/tables.py
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@ -28,6 +28,28 @@ class EggGroup(TableBase):
name = Column(Unicode(16), nullable=False)
class Encounter(TableBase):
"""Rows in this table represent encounters with wild Pokémon.
Within a given area in a given game, encounters are differentiated by the
slot they are in and a world condition.
Groups of slots belong to encounter types; these are what the player is
doing to get an encounter, such as surfing or walking through tall grass.
Within an encounter type, slots are defined primarily by rarity. Each slot
can also be affected by a world condition; for example, the 20% slot for
walking in tall grass is affected by whether a swarm is in effect in the
areas. "There is a swarm" and "there is not a swarm" are conditions, and
together they make a condition group. However, since "not a swarm" is a
base state rather than any sort of new state, it is omitted and instead
referred to by a NULL.
A slot (20% walking in grass) and single world condition (NULL, i.e. no
swarm) are thus enough to define a specific encounter.
Well, okay, almost: each slot actually appears twice.
"""
__tablename__ = 'encounters'
id = Column(Integer, primary_key=True, nullable=False)
version_id = Column(Integer, ForeignKey('versions.id'), nullable=False, autoincrement=False)
@ -39,22 +61,44 @@ class Encounter(TableBase):
max_level = Column(Integer, nullable=False, autoincrement=False)
class EncounterCondition(TableBase):
"""Rows in this table represent something different about the world that
can affect what Pokémon are encountered.
"""
__tablename__ = 'encounter_conditions'
id = Column(Integer, primary_key=True, nullable=False)
encounter_condition_group_id = Column(Integer, ForeignKey('encounter_condition_groups.id'), primary_key=False, nullable=False, autoincrement=False)
name = Column(Unicode(64), nullable=False)
class EncounterConditionGroup(TableBase):
"""Rows in this table represent a group of mutually exclusive conditions,
such as morning/day/night. "Conditions" that are part of the default state
of the world, such as "not during a swarm" or "not using the PokéRadar",
are not included in this table and are referred to by NULLs in other
tables.
"""
__tablename__ = 'encounter_condition_groups'
id = Column(Integer, primary_key=True, nullable=False)
name = Column(Unicode(64), nullable=False)
class EncounterType(TableBase):
"""Rows in this table represent ways the player can enter a wild encounter;
i.e. surfing, fishing, or walking through tall grass.
"""
__tablename__ = 'encounter_types'
id = Column(Integer, primary_key=True, nullable=False)
name = Column(Unicode(64), nullable=False)
class EncounterTypeSlot(TableBase):
"""Rows in this table represent an abstract "slot" within an encounter
type, associated with both a condition group and a rarity.
Note that there are two encounters per slot, so the rarities will only add
up to 50.
"""
__tablename__ = 'encounter_type_slots'
id = Column(Integer, primary_key=True, nullable=False)
encounter_type_id = Column(Integer, ForeignKey('encounter_types.id'), primary_key=False, nullable=False, autoincrement=False)