mirror of https://github.com/pret/pokecrystal.git
155 lines
2.4 KiB
NASM
155 lines
2.4 KiB
NASM
DoPoisonStep::
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ld a, [wPartyCount]
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and a
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jr z, .no_faint
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xor a
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ld c, wPoisonStepDataEnd - wPoisonStepData
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ld hl, wPoisonStepData
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.loop_clearPoisonStepData
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ld [hli], a
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dec c
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jr nz, .loop_clearPoisonStepData
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xor a
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ld [wCurPartyMon], a
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.loop_check_poison
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call .DamageMonIfPoisoned
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jr nc, .not_poisoned
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; the output flag is stored in c, copy it to [wPoisonStepPartyFlags + [wCurPartyMon]]
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; and set the corresponding flag in wPoisonStepFlagSum
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ld a, [wCurPartyMon]
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ld e, a
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ld d, 0
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ld hl, wPoisonStepPartyFlags
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add hl, de
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ld [hl], c
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ld a, [wPoisonStepFlagSum]
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or c
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ld [wPoisonStepFlagSum], a
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.not_poisoned
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ld a, [wPartyCount]
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ld hl, wCurPartyMon
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inc [hl]
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cp [hl]
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jr nz, .loop_check_poison
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ld a, [wPoisonStepFlagSum]
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and %10
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jr nz, .someone_has_fainted
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ld a, [wPoisonStepFlagSum]
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and %01
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jr z, .no_faint
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call .PlayPoisonSFX
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xor a
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ret
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.someone_has_fainted
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ld a, BANK(.Script_MonFaintedToPoison)
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ld hl, .Script_MonFaintedToPoison
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call CallScript
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scf
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ret
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.no_faint
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xor a
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ret
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.DamageMonIfPoisoned:
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; check if mon is poisoned, return if not
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ld a, MON_STATUS
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call GetPartyParamLocation
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ld a, [hl]
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and 1 << PSN
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ret z
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; check if mon is already fainted, return if so
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ld a, MON_HP
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call GetPartyParamLocation
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ld a, [hli]
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ld b, a
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ld c, [hl]
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or c
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ret z
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; do 1 HP damage
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dec bc
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ld [hl], c
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dec hl
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ld [hl], b
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; check if mon has fainted as a result of poison damage
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ld a, b
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or c
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jr nz, .not_fainted
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; the mon has fainted, reset its status, set carry, and return %10
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ld a, MON_STATUS
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call GetPartyParamLocation
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ld [hl], 0
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ld c, %10
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scf
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ret
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.not_fainted
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; set carry and return %01
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ld c, %01
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scf
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ret
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.PlayPoisonSFX:
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ld de, SFX_POISON
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call PlaySFX
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ld b, $2
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predef LoadPoisonBGPals
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call DelayFrame
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ret
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.Script_MonFaintedToPoison:
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callasm .PlayPoisonSFX
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opentext
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callasm .CheckWhitedOut
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iffalse .whiteout
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closetext
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end
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.whiteout
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farsjump OverworldWhiteoutScript
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.CheckWhitedOut:
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xor a
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ld [wCurPartyMon], a
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ld de, wPoisonStepPartyFlags
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.party_loop
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push de
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ld a, [de]
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and %10
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jr z, .mon_not_fainted
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ld c, HAPPINESS_POISONFAINT
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farcall ChangeHappiness
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farcall GetPartyNick
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ld hl, .PoisonFaintText
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call PrintText
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.mon_not_fainted
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pop de
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inc de
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ld hl, wCurPartyMon
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inc [hl]
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ld a, [wPartyCount]
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cp [hl]
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jr nz, .party_loop
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predef CheckPlayerPartyForFitMon
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ld a, d
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ld [wScriptVar], a
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ret
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.PoisonFaintText:
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text_far _PoisonFaintText
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text_end
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.PoisonWhiteoutText: ; unreferenced
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text_far _PoisonWhiteoutText
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text_end
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