mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-11-16 11:27:33 -08:00
673 lines
8.4 KiB
NASM
Executable File
673 lines
8.4 KiB
NASM
Executable File
CheckPlayerMoveTypeMatchups: ; 3484e
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; Check how well the moves you've already used
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; fare against the enemy's Pokemon. Used to
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; score a potential switch.
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push hl
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push de
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push bc
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ld a, 10
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ld [wEnemyAISwitchScore], a
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ld hl, PlayerUsedMoves
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ld a, [hl]
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and a
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jr z, .unknown_moves
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ld d, NUM_MOVES
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ld e, 0
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.loop
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ld a, [hli]
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and a
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jr z, .exit
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push hl
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dec a
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ld hl, Moves + MOVE_POWER
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call GetMoveAttr
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and a
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jr z, .next
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inc hl
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call GetMoveByte
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ld hl, EnemyMonType
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call CheckTypeMatchup
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ld a, [wTypeMatchup]
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cp 10 + 1 ; 1.0 + 0.1
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jr nc, .super_effective
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and a
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jr z, .next
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cp 10 ; 1.0
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jr nc, .neutral
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.not_very_effective
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ld a, e
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cp 1 ; 0.1
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jr nc, .next
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ld e, 1
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jr .next
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.neutral
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ld e, 2
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jr .next
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.super_effective
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call .DecreaseScore
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pop hl
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jr .done
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.next
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pop hl
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dec d
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jr nz, .loop
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.exit
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ld a, e
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cp 2
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jr z, .done
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call .IncreaseScore
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ld a, e
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and a
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jr nz, .done
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call .IncreaseScore
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jr .done
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.unknown_moves
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ld a, [BattleMonType1]
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ld b, a
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ld hl, EnemyMonType1
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call CheckTypeMatchup
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ld a, [wTypeMatchup]
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cp 10 + 1 ; 1.0 + 0.1
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jr c, .ok
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call .DecreaseScore
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.ok
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ld a, [BattleMonType2]
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cp b
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jr z, .ok2
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call CheckTypeMatchup
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ld a, [wTypeMatchup]
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cp 10 + 1 ; 1.0 + 0.1
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jr c, .ok2
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call .DecreaseScore
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.ok2
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.done
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call .CheckEnemyMoveMatchups
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pop bc
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pop de
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pop hl
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ret
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; 348de
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.CheckEnemyMoveMatchups: ; 348de
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ld de, EnemyMonMoves
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ld b, NUM_MOVES + 1
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ld c, 0
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ld a, [wTypeMatchup]
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push af
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.loop2
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dec b
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jr z, .exit2
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ld a, [de]
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and a
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jr z, .exit2
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inc de
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dec a
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ld hl, Moves + MOVE_POWER
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call GetMoveAttr
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and a
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jr z, .loop2
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inc hl
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call GetMoveByte
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ld hl, BattleMonType1
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call CheckTypeMatchup
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ld a, [wTypeMatchup]
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; immune
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and a
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jr z, .loop2
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; not very effective
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inc c
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cp 10
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jr c, .loop2
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; neutral
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inc c
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inc c
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inc c
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inc c
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inc c
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cp 10
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jr z, .loop2
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; super effective
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ld c, 100
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jr .loop2
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.exit2
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pop af
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ld [wTypeMatchup], a
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ld a, c
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and a
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jr z, .doubledown ; double down
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cp 5
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jr c, .DecreaseScore ; down
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cp 100
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ret c
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jr .IncreaseScore ; up
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.doubledown
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call .DecreaseScore
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.DecreaseScore: ; 34931
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ld a, [wEnemyAISwitchScore]
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dec a
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ld [wEnemyAISwitchScore], a
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ret
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; 34939
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.IncreaseScore: ; 34939
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ld a, [wEnemyAISwitchScore]
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inc a
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ld [wEnemyAISwitchScore], a
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ret
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; 34941
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CheckAbleToSwitch: ; 34941
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xor a
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ld [wEnemySwitchMonParam], a
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call FindAliveEnemyMons
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ret c
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ld a, [EnemySubStatus1]
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bit SUBSTATUS_PERISH, a
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jr z, .no_perish
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ld a, [EnemyPerishCount]
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cp 1
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jr nz, .no_perish
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; Perish count is 1
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call FindAliveEnemyMons
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call FindEnemyMonsWithAtLeastQuarterMaxHP
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call FindEnemyMonsThatResistPlayer
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call FindAliveEnemyMonsWithASuperEffectiveMove
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ld a, e
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cp 2
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jr nz, .not_2
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ld a, [wEnemyAISwitchScore]
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add $30 ; maximum chance
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ld [wEnemySwitchMonParam], a
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ret
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.not_2
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call FindAliveEnemyMons
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sla c
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sla c
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ld b, $ff
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.loop1
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inc b
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sla c
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jr nc, .loop1
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ld a, b
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add $30 ; maximum chance
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ld [wEnemySwitchMonParam], a
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ret
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.no_perish
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call CheckPlayerMoveTypeMatchups
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ld a, [wEnemyAISwitchScore]
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cp 11
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ret nc
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ld a, [LastEnemyCounterMove]
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and a
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jr z, .no_last_counter_move
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call FindEnemyMonsImmuneToLastCounterMove
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ld a, [wEnemyAISwitchScore]
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and a
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jr z, .no_last_counter_move
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ld c, a
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call FindEnemyMonsWithASuperEffectiveMove
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ld a, [wEnemyAISwitchScore]
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cp $ff
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ret z
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ld b, a
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ld a, e
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cp 2
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jr z, .not_2_again
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call CheckPlayerMoveTypeMatchups
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ld a, [wEnemyAISwitchScore]
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cp 10
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ret nc
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ld a, b
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add $10
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ld [wEnemySwitchMonParam], a
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ret
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.not_2_again
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ld c, $10
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call CheckPlayerMoveTypeMatchups
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ld a, [wEnemyAISwitchScore]
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cp 10
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jr nc, .okay
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ld c, $20
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.okay
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ld a, b
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add c
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ld [wEnemySwitchMonParam], a
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ret
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.no_last_counter_move
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call CheckPlayerMoveTypeMatchups
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ld a, [wEnemyAISwitchScore]
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cp 10
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ret nc
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call FindAliveEnemyMons
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call FindEnemyMonsWithAtLeastQuarterMaxHP
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call FindEnemyMonsThatResistPlayer
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call FindAliveEnemyMonsWithASuperEffectiveMove
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ld a, e
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cp $2
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ret nz
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ld a, [wEnemyAISwitchScore]
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add $10
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ld [wEnemySwitchMonParam], a
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ret
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; 349f4
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FindAliveEnemyMons: ; 349f4
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ld a, [OTPartyCount]
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cp 2
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jr c, .only_one
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ld d, a
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ld e, 0
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ld b, 1 << (PARTY_LENGTH - 1)
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ld c, 0
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ld hl, OTPartyMon1HP
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.loop
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ld a, [CurOTMon]
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cp e
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jr z, .next
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push bc
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ld b, [hl]
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inc hl
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ld a, [hld]
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or b
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pop bc
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jr z, .next
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ld a, c
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or b
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ld c, a
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.next
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srl b
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push bc
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ld bc, PARTYMON_STRUCT_LENGTH
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add hl, bc
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pop bc
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inc e
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dec d
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jr nz, .loop
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ld a, c
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and a
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jr nz, .more_than_one
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.only_one
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scf
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ret
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.more_than_one
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and a
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ret
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; 34a2a
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FindEnemyMonsImmuneToLastCounterMove: ; 34a2a
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ld hl, OTPartyMon1
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ld a, [OTPartyCount]
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ld b, a
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ld c, 1 << (PARTY_LENGTH - 1)
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ld d, 0
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xor a
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ld [wEnemyAISwitchScore], a
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.loop
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ld a, [CurOTMon]
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cp d
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push hl
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jr z, .next
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push hl
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push bc
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; If the Pokemon has at least 1 HP...
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ld bc, MON_HP
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add hl, bc
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pop bc
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ld a, [hli]
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or [hl]
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pop hl
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jr z, .next
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ld a, [hl]
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ld [CurSpecies], a
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call GetBaseData
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; the enemy's last move is damaging...
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ld a, [LastEnemyCounterMove]
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dec a
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ld hl, Moves + MOVE_POWER
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call GetMoveAttr
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and a
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jr z, .next
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; and the Pokemon is immune to it...
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inc hl
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call GetMoveByte
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ld hl, BaseType
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call CheckTypeMatchup
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ld a, [wTypeMatchup]
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and a
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jr nz, .next
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; ... encourage that Pokemon.
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ld a, [wEnemyAISwitchScore]
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or c
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ld [wEnemyAISwitchScore], a
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.next
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pop hl
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dec b
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ret z
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push bc
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ld bc, PARTYMON_STRUCT_LENGTH
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add hl, bc
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pop bc
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inc d
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srl c
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jr .loop
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; 34a85
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FindAliveEnemyMonsWithASuperEffectiveMove: ; 34a85
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push bc
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ld a, [OTPartyCount]
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ld e, a
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ld hl, OTPartyMon1HP
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ld b, 1 << (PARTY_LENGTH - 1)
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ld c, 0
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.loop
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ld a, [hli]
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or [hl]
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jr z, .next
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ld a, b
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or c
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ld c, a
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.next
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srl b
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push bc
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ld bc, PartyMon2HP - (PartyMon1HP + 1)
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add hl, bc
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pop bc
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dec e
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jr nz, .loop
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ld a, c
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pop bc
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and c
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ld c, a
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FindEnemyMonsWithASuperEffectiveMove: ; 34aa7
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ld a, -1
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ld [wEnemyAISwitchScore], a
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ld hl, OTPartyMon1Moves
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ld b, 1 << (PARTY_LENGTH - 1)
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ld d, 0
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ld e, 0
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.loop
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ld a, b
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and c
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jr z, .next
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push hl
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push bc
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; for move on mon:
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ld b, NUM_MOVES
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ld c, 0
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.loop3
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; if move is None: break
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ld a, [hli]
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and a
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push hl
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jr z, .break3
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; if move has no power: continue
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dec a
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ld hl, Moves + MOVE_POWER
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call GetMoveAttr
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and a
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jr z, .nope
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; check type matchups
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inc hl
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call GetMoveByte
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ld hl, BattleMonType1
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call CheckTypeMatchup
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; if immune or not very effective: continue
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ld a, [wTypeMatchup]
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cp 10
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jr c, .nope
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; if neutral: load 1 and continue
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ld e, 1
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cp 10 + 1
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jr c, .nope
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; if super-effective: load 2 and break
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ld e, 2
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jr .break3
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.nope
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pop hl
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dec b
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jr nz, .loop3
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jr .done
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.break3
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pop hl
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.done
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ld a, e
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pop bc
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pop hl
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cp 2
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jr z, .done2 ; at least one move is super-effective
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cp 1
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jr nz, .next ; no move does more than half damage
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; encourage this pokemon
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ld a, d
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or b
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ld d, a
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jr .next ; such a long jump
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.next
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; next pokemon?
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push bc
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ld bc, PARTYMON_STRUCT_LENGTH
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add hl, bc
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pop bc
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srl b
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jr nc, .loop
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; if no pokemon has a super-effective move: return
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ld a, d
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ld b, a
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and a
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ret z
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.done2
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; convert the bit flag to an int and return
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push bc
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sla b
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sla b
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ld c, $ff
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.loop2
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inc c
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sla b
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jr nc, .loop2
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ld a, c
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ld [wEnemyAISwitchScore], a
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pop bc
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ret
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; 34b20
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FindEnemyMonsThatResistPlayer: ; 34b20
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push bc
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ld hl, OTPartySpecies
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ld b, 1 << (PARTY_LENGTH - 1)
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ld c, 0
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.loop
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ld a, [hli]
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cp $ff
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jr z, .done
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push hl
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ld [CurSpecies], a
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call GetBaseData
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ld a, [LastEnemyCounterMove]
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and a
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jr z, .skip_move
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dec a
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ld hl, Moves + MOVE_POWER
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call GetMoveAttr
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and a
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jr z, .skip_move
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inc hl
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call GetMoveByte
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jr .check_type
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.skip_move
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ld a, [BattleMonType1]
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ld hl, BaseType
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call CheckTypeMatchup
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ld a, [wTypeMatchup]
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cp 10 + 1
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jr nc, .dont_choose_mon
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ld a, [BattleMonType2]
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.check_type
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ld hl, BaseType
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call CheckTypeMatchup
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ld a, [wTypeMatchup]
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cp 10 + 1
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jr nc, .dont_choose_mon
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ld a, b
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or c
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ld c, a
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.dont_choose_mon
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srl b
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pop hl
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jr .loop
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.done
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ld a, c
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pop bc
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and c
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ld c, a
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ret
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; 34b77
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FindEnemyMonsWithAtLeastQuarterMaxHP: ; 34b77
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push bc
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ld de, OTPartySpecies
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ld b, 1 << (PARTY_LENGTH - 1)
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ld c, 0
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ld hl, OTPartyMon1HP
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.loop
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ld a, [de]
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inc de
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cp $ff
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jr z, .done
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push hl
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push bc
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ld b, [hl]
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inc hl
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ld c, [hl]
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inc hl
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inc hl
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; hl = MaxHP + 1
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; bc = [CurHP] * 4
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srl c
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rl b
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srl c
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rl b
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; if bc >= [hl], encourage
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ld a, [hld]
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cp c
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ld a, [hl]
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sbc b
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pop bc
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jr nc, .next
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ld a, b
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or c
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ld c, a
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.next
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srl b
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pop hl
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push bc
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ld bc, PARTYMON_STRUCT_LENGTH
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add hl, bc
|
|
pop bc
|
|
jr .loop
|
|
|
|
.done
|
|
ld a, c
|
|
pop bc
|
|
and c
|
|
ld c, a
|
|
ret
|
|
; 34bb1
|