Problem: Parental Bond when changed to Mummy midstrike would cause the second move to miss the .25 base power modification
Added Parental Bond check in Mummy to maintain the power modification
move.zPowered is renamed move.isZPowered. It's now documented in JSDoc
exactly how it differs from move.isZ.
This commit includes several minor refactors to Z-move mechanics,
including a bug fix: Z-boosted called Weather Ball is now correctly
typed.
The types Template, Move, Ability, and Item are now read-only. This
should guard against accidental writing to types that shouldn't be
written to.
A new type, ActiveMove, has been introduced. Like it sounds, it's
used for moves that are currently actively being used. A lot of
attributes that are only relevant to active moves, such as
`hasBounced`, are now only available on ActiveMove, not on Move.
ActiveMoves are mutable, unlike Moves.
getMoveCopy has been renamed getActiveMove, to better reflect its
role. `isCopy` has been deprecated, and distinguishing Moves from
ActiveMoves is now done by `typeof move.hit === 'number'` where
necessary.
ActiveMoves now internally track which hit of a multihit move
they're on, in move.hit, so move.hit doesn't need to be manually
incremented by Triple Kick and Parental Bond anymore.
move.hasParentalBond has been replaced by a more generic
move.multihitType.
Normally, Illusion copies everything except the level, so if Zoroark is
a different level from the pokemon it's copying, it's very obvious that
it's a copy. This isn't a problem normally (because everyone is 50 or
100), but in randbats, it's a big tell, and makes Zoroark weaker than
it's supposed to be.
And, unrelatedly, everyone thinks it's a bug even though it's not.
Hidden Power Fire has virtually no useful coverage for a Pokemon that
should always have a Water move, and Defog is a popular move on
Empoleon. Also add rejection for Defog+Stealth Rock similar to the
already-existing Defog+Spikes rejection.
