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Waged war against TODO comments in the AI, some refactoring of AI

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This commit is contained in:
Maruno17
2023-05-07 23:12:39 +01:00
parent b7a40d0344
commit 7a8754c425
17 changed files with 702 additions and 830 deletions
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126
Data/Scripts/011_Battle/005_AI/002_AI_Switch.rb
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@@ -1,3 +1,6 @@
#===============================================================================
#
#===============================================================================
class Battle::AI
# Called by the AI's def pbDefaultChooseEnemyCommand, and by def pbChooseMove
# if the only moves known are bad ones (the latter forces a switch). Also
@@ -63,7 +66,6 @@ class Battle::AI
#-----------------------------------------------------------------------------
# TODO: Need a way to allow a ShouldSwitch handler to recommend a replacement.
def choose_best_replacement_pokemon(idxBattler, mandatory = false)
# Get all possible replacement Pokémon
party = @battle.pbParty(idxBattler)
@@ -111,8 +113,16 @@ class Battle::AI
elsif entry_hazard_damage > 0
score -= 50 * entry_hazard_damage / pkmn.hp
end
# TODO: Toxic Spikes.
# TODO: Sticky Web.
if !pkmn.hasItem?(:HEAVYDUTYBOOTS) && !pokemon_airborne?(pkmn)
# Toxic Spikes
if @user.pbOwnSide.effects[PBEffects::ToxicSpikes] > 0
score -= 20 if pokemon_can_be_poisoned?(pkmn)
end
# Sticky Web
if @user.pbOwnSide.effects[PBEffects::ToxicSpikes]
score -= 15
end
end
# Predict effectiveness of foe's last used move against pkmn
each_foe_battler(@user.side) do |b, i|
next if !b.battler.lastMoveUsed
@@ -132,9 +142,16 @@ class Battle::AI
score += m.power * Effectiveness.calculate(m.type, *bTypes) / 10
end
end
# Prefer if pkmn has lower HP and its position will be healed by Wish
position = @battle.positions[idxBattler]
if position.effects[PBEffects::Wish] > 0
amt = position.effects[PBEffects::WishAmount]
if pkmn.totalhp - pkmn.hp > amt * 2 / 3
score += 20 * [pkmn.totalhp - pkmn.hp, amt].min / pkmn.totalhp
end
end
# Prefer if user is about to faint from Perish Song
score += 20 if @user.effects[PBEffects::PerishSong] == 1
# TODO: Prefer if pkmn has lower HP and its position will be healed by Wish.
return score
end
@@ -148,12 +165,9 @@ class Battle::AI
ret += pkmn.totalhp * eff / 8 if !Effectiveness.ineffective?(eff)
end
# Spikes
if @battle.sides[side].effects[PBEffects::Spikes] > 0
if @battle.field.effects[PBEffects::Gravity] > 0 || pkmn.hasItem?(:IRONBALL) ||
!(pkmn.hasType?(:FLYING) || pkmn.hasItem?(:LEVITATE) || pkmn.hasItem?(:AIRBALLOON))
spikes_div = [8, 6, 4][@battle.sides[side].effects[PBEffects::Spikes] - 1]
ret += pkmn.totalhp / spikes_div
end
if @battle.sides[side].effects[PBEffects::Spikes] > 0 && !pokemon_airborne?(pkmn)
spikes_div = [8, 6, 4][@battle.sides[side].effects[PBEffects::Spikes] - 1]
ret += pkmn.totalhp / spikes_div
end
return ret
end
@@ -218,7 +232,6 @@ Battle::AI::Handlers::ShouldSwitch.add(:significant_eor_damage,
# Pokémon can cure its status problem or heal some HP with its ability by
# switching out. Covers all abilities with an OnSwitchOut AbilityEffects
# handler.
# TODO: Add randomness?
#===============================================================================
Battle::AI::Handlers::ShouldSwitch.add(:cure_status_problem_by_switching_out,
proc { |battler, reserves, ai, battle|
@@ -250,15 +263,25 @@ Battle::AI::Handlers::ShouldSwitch.add(:cure_status_problem_by_switching_out,
end
# Not worth curing status problems that still allow actions if at high HP
next false if battler.hp >= battler.totalhp / 2 && ![:SLEEP, :FROZEN].include?(battler.status)
PBDebug.log_ai("#{battler.name} wants to switch to cure its status problem with #{battler.ability.name}")
next true
if ai.pbAIRandom(100) < 70
PBDebug.log_ai("#{battler.name} wants to switch to cure its status problem with #{battler.ability.name}")
next true
end
elsif battler.ability == :REGENERATOR
# Heals 33% HP
# Not worth healing if battler would lose more HP from switching back in later
next false if entry_hazard_damage >= battler.totalhp / 3
# Not worth healing HP if already at high HP
next false if battler.hp >= battler.totalhp / 2
# TODO: Don't bother if user can do decent damage.
if ai.pbAIRandom(100) < 50
# Don't bother if a foe is at low HP and could be knocked out instead
if battler.check_for_move { |m| m.damagingMove? }
weak_foe = false
ai.each_foe_battler(battler.side) do |b, i|
weak_foe = true if b.hp < b.totalhp / 3
break if weak_foe
end
next false if weak_foe
end
if ai.pbAIRandom(100) < 70
PBDebug.log_ai("#{battler.name} wants to switch to heal with #{battler.ability.name}")
next true
end
@@ -276,7 +299,7 @@ Battle::AI::Handlers::ShouldSwitch.add(:wish_healing,
position = battle.positions[battler.index]
next false if position.effects[PBEffects::Wish] == 0
amt = position.effects[PBEffects::WishAmount]
next false if battler.totalhp - battler.hp >= amt * 2 / 3
next false if battler.totalhp - battler.hp >= amt * 2 / 3 # Want to heal itself instead
reserve_wants_healing_more = false
reserves.each do |pkmn|
entry_hazard_damage = ai.calculate_entry_hazard_damage(pkmn, battler.index & 1)
@@ -453,24 +476,6 @@ Battle::AI::Handlers::ShouldSwitch.add(:foe_has_wonder_guard,
break
end
end
# TODO: Check if battler has other useful status moves. CFRU considers
# these (and makes sure they're usable; also ensure they're not
# stopped by a substitute):
# - Inflict sleep/poison/burn/paralysis (not freeze)
# - Inflict confusion (inc. Swagger/Flatter)
# - Start damaging weather (sandstorm/hail)
# - Trick (to give foe an item with EOR damage/status infliction)
# - Other EOR damage moves (Leech Seed, Nightmare, Curse)
# - Perish Song
# - Add third type to target (Trick-or-Treat, Forest's Curse)
# - Worry Seed, Gastro Acid, Entrainment, Simple Beam, Core Enforcer
# - Roar
# - Baton Pass, Teleport
# - Memento (why?)
# - Entry hazards (not sure why; just to stack them up?)
# - Wish (just to set it up?)
# - Tailwind (just to set it up?)
# - Lucky Chant (just to set it up?)
break if has_super_effective_move
end
if !non_wonder_guard_foe_exists && !has_super_effective_move
@@ -500,18 +505,11 @@ Battle::AI::Handlers::ShouldSwitch.add(:foe_has_wonder_guard,
}
)
#===============================================================================
#
#===============================================================================
# TODO: Switch if battler's offensive stats are sufficiently low and it wants to
# use damaging moves (CFRU applies this only to a sweeper).
#===============================================================================
# Pokémon doesn't have an ability that makes it immune to a foe's move, but a
# reserve does (see def pokemon_can_absorb_move?). The foe's move is chosen
# randomly, or is their most powerful move if the trainer's skill level is good
# enough.
# TODO: Add randomness?
#===============================================================================
Battle::AI::Handlers::ShouldSwitch.add(:absorb_foe_move,
proc { |battler, reserves, ai, battle|
@@ -525,11 +523,8 @@ Battle::AI::Handlers::ShouldSwitch.add(:absorb_foe_move,
ai.each_foe_battler(battler.side) do |b, i|
b.moves.each do |move|
next if move.statusMove?
# TODO: Improve on m_power with STAB and attack stat/stages and certain
# other damage-altering effects, including base power calculations
# for moves with variable power.
m_power = move.power
m_power = battler.hp if move.is_a?(Battle::Move::OHKO)
m_power = 100 if move.is_a?(Battle::Move::OHKO)
m_type = move.pbCalcType(b.battler)
foe_moves.push([m_power, m_type, move])
end
@@ -542,16 +537,16 @@ Battle::AI::Handlers::ShouldSwitch.add(:absorb_foe_move,
chosen_move = foe_moves[ai.pbAIRandom(foe_moves.length)] # Random move
end
# Get the chosen move's information
move_power = chosen_move[0]
move_type = chosen_move[1]
move = chosen_move[2]
# TODO: Don't bother if the move's power isn't particularly high? Would need
# to figure out what "particularly high" means, probably involving the
# battler's defences in a rough damage calculation (the attacking part
# of which is above).
# Don't bother if the foe's best move isn't too strong
next false if move_power < 70
# Check battler for absorbing ability
next false if ai.pokemon_can_absorb_move?(battler, move, move_type)
# battler can't absorb move; find a party Pokémon that can
if reserves.any? { |pkmn| ai.pokemon_can_absorb_move?(pkmn, move, move_type) }
next false if ai.pbAIRandom(100) < 70
PBDebug.log_ai("#{battler.name} wants to switch because it can't absorb a foe's move but a reserve can")
next true
end
@@ -559,18 +554,6 @@ Battle::AI::Handlers::ShouldSwitch.add(:absorb_foe_move,
}
)
#===============================================================================
#
#===============================================================================
# TODO: Switch if foe is locked into using a single move and a reserve can
# resist/no sell it.
#===============================================================================
#
#===============================================================================
# TODO: Switch if a foe is using a damaging two-turn attack and a reserve can
# resist/no sell its damage.
#===============================================================================
# Sudden Death rule (at the end of each round, if one side has more able Pokémon
# than the other side, that side wins). Avoid fainting at all costs.
@@ -590,14 +573,6 @@ Battle::AI::Handlers::ShouldSwitch.add(:sudden_death,
}
)
#===============================================================================
#
#===============================================================================
# TODO: Switch if battler is at risk of being KO'd (unless it's at low HP and
# paralysed and can't cure itself/benefit from paralysis, as it'll
# probably not survive anyway). Don't bother if battler is Aegislash and
# could go into Shield Form instead.
#===============================================================================
# Pokémon is within 5 levels of the foe, and foe's last move was super-effective
# and powerful.
@@ -664,19 +639,20 @@ Battle::AI::Handlers::ShouldNotSwitch.add(:lethal_entry_hazards,
#===============================================================================
Battle::AI::Handlers::ShouldNotSwitch.add(:battler_has_super_effective_move,
proc { |battler, reserves, ai, battle|
next false if battler.effects[PBEffects::PerishSong] == 1
next false if battle.rules["suddendeath"]
has_super_effective_move = false
battler.battler.eachMove do |move|
next if move.pp == 0 && move.total_pp > 0
next if move.statusMove?
# TODO: next if move is unusable? This would be complicated to implement.
# NOTE: Ideally this would ignore moves that are unusable, but that would
# be too complicated to implement.
move_type = move.type
move_type = move.pbCalcType(battler.battler) if ai.trainer.medium_skill?
ai.each_foe_battler(battler.side) do |b|
# TODO: next if move can't target b? This would be complicated to
# implement.
# TODO: Check the move's power as well? Do a (rough) damage calculation
# for it and come up with a threshold % HP?
# NOTE: Ideally this would ignore foes that move cannot target, but that
# is complicated enough to implement that I'm not bothering. It's
# also rare that it would matter.
eff = b.effectiveness_of_type_against_battler(move_type, battler)
has_super_effective_move = Effectiveness.super_effective?(eff)
break if has_super_effective_move