71 lines
1.2 KiB
NASM
71 lines
1.2 KiB
NASM
RecoilEffect_:
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ld a, [H_WHOSETURN]
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and a
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ld a, [wPlayerMoveNum]
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ld hl, wBattleMonMaxHP
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jr z, .recoilEffect
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ld a, [wEnemyMoveNum]
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ld hl, wEnemyMonMaxHP
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.recoilEffect
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ld d, a
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ld a, [wDamage]
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ld b, a
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ld a, [wDamage + 1]
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ld c, a
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srl b
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rr c
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ld a, d
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cp STRUGGLE ; struggle deals 50% recoil damage
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jr z, .gotRecoilDamage
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srl b
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rr c
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.gotRecoilDamage
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ld a, b
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or c
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jr nz, .updateHP
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inc c ; minimum recoil damage is 1
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.updateHP
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; subtract HP from user due to the recoil damage
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ld a, [hli]
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ld [wHPBarMaxHP+1], a
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ld a, [hl]
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ld [wHPBarMaxHP], a
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push bc
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ld bc, wBattleMonHP - wBattleMonMaxHP
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add hl, bc
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pop bc
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ld a, [hl]
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ld [wHPBarOldHP], a
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sub c
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ld [hld], a
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ld [wHPBarNewHP], a
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ld a, [hl]
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ld [wHPBarOldHP+1], a
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sbc b
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ld [hl], a
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ld [wHPBarNewHP+1], a
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jr nc, .getHPBarCoords
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; if recoil damage is higher than the Pokemon's HP, set its HP to 0
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xor a
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ld [hli], a
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ld [hl], a
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ld hl, wHPBarNewHP
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ld [hli], a
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ld [hl], a
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.getHPBarCoords
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coord hl, 10, 9
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ld a, [H_WHOSETURN]
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and a
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ld a, $1
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jr z, .updateHPBar
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coord hl, 2, 2
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xor a
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.updateHPBar
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ld [wHPBarType], a
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predef UpdateHPBar2
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ld hl, HitWithRecoilText
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jp PrintText
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HitWithRecoilText:
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TX_FAR _HitWithRecoilText
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db "@"
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