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112 lines
2 KiB
NASM
112 lines
2 KiB
NASM
ApplyOutOfBattlePoisonDamage:
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ld a, [wd730]
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add a
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jp c, .noBlackOut ; no black out if joypad states are being simulated
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ld a, [wPartyCount]
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and a
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jp z, .noBlackOut
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call IncrementDayCareMonExp
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ld a, [wStepCounter]
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and $3 ; is the counter a multiple of 4?
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jp nz, .noBlackOut ; only apply poison damage every fourth step
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ld [wWhichPokemon], a
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ld hl, wPartyMon1Status
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ld de, wPartySpecies
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.applyDamageLoop
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ld a, [hl]
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and (1 << PSN)
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jr z, .nextMon2 ; not poisoned
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dec hl
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dec hl
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ld a, [hld]
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ld b, a
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ld a, [hli]
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or b
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jr z, .nextMon ; already fainted
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; subtract 1 from HP
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ld a, [hl]
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dec a
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ld [hld], a
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inc a
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jr nz, .noBorrow
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; borrow 1 from upper byte of HP
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dec [hl]
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inc hl
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jr .nextMon
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.noBorrow
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ld a, [hli]
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or [hl]
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jr nz, .nextMon ; didn't faint from damage
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; the mon fainted from the damage
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push hl
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inc hl
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inc hl
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ld [hl], a
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ld a, [de]
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ld [wd11e], a
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push de
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ld a, [wWhichPokemon]
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ld hl, wPartyMonNicks
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call GetPartyMonName
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xor a
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ld [wJoyIgnore], a
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call EnableAutoTextBoxDrawing
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ld a, TEXT_MON_FAINTED
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ldh [hSpriteIndexOrTextID], a
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call DisplayTextID
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pop de
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pop hl
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.nextMon
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inc hl
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inc hl
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.nextMon2
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inc de
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ld a, [de]
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inc a
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jr z, .applyDamageLoopDone
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ld bc, wPartyMon2 - wPartyMon1
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add hl, bc
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push hl
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ld hl, wWhichPokemon
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inc [hl]
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pop hl
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jr .applyDamageLoop
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.applyDamageLoopDone
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ld hl, wPartyMon1Status
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ld a, [wPartyCount]
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ld d, a
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ld e, 0
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.countPoisonedLoop
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ld a, [hl]
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and (1 << PSN)
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or e
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ld e, a
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ld bc, wPartyMon2 - wPartyMon1
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add hl, bc
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dec d
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jr nz, .countPoisonedLoop
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ld a, e
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and a ; are any party members poisoned?
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jr z, .skipPoisonEffectAndSound
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ld b, $2
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predef ChangeBGPalColor0_4Frames ; change BG white to dark grey for 4 frames
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ld a, SFX_POISONED
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call PlaySound
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.skipPoisonEffectAndSound
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predef AnyPartyAlive
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ld a, d
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and a
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jr nz, .noBlackOut
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call EnableAutoTextBoxDrawing
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ld a, TEXT_BLACKED_OUT
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ldh [hSpriteIndexOrTextID], a
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call DisplayTextID
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ld hl, wd72e
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set 5, [hl]
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ld a, $ff
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jr .done
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.noBlackOut
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xor a
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.done
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ld [wOutOfBattleBlackout], a
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ret
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