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https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-09-09 09:51:34 -07:00
97 lines
2.0 KiB
NASM
97 lines
2.0 KiB
NASM
GiveOddEgg: ; 1fb4b6
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; Figure out which egg to give.
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; Compare a random word to
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; probabilities out of 0xffff.
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call Random
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ld hl, OddEggProbabilities
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ld c, 0
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ld b, c
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.loop
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ld a, [hli]
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ld e, a
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ld a, [hli]
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ld d, a
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; Break on $ffff.
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ld a, d
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cp $ffff / $100
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jr nz, .not_done
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ld a, e
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cp $ffff % $100
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jr z, .done
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.not_done
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; Break when [hRandom] <= de.
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ld a, [hRandom + 1]
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cp d
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jr c, .done
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jr z, .ok
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jr .next
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.ok
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ld a, [hRandom + 0]
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cp e
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jr c, .done
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jr z, .done
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.next
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inc bc
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jr .loop
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.done
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ld hl, OddEggs
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ld a, OddEgg2 - OddEgg1
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call AddNTimes
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ld de, OddEggSpecies
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ld bc, PARTYMON_STRUCT_LENGTH + 2 * PKMN_NAME_LENGTH
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call CopyBytes
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ld a, EGG_TICKET
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ld [CurItem], a
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ld a, 1
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ld [wItemQuantityChangeBuffer], a
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ld a, -1
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ld [CurItemQuantity], a
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ld hl, NumItems
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call TossItem
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; load species in wcd2a
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ld a, EGG
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ld [wMobileMonSpeciesBuffer], a
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; load pointer to (wMobileMonSpeciesBuffer - 1) in wMobileMonSpeciesPointerBuffer
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ld a, (wMobileMonSpeciesBuffer - 1) % $100
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ld [wMobileMonSpeciesPointerBuffer], a
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ld a, (wMobileMonSpeciesBuffer - 1) / $100
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ld [wMobileMonSpeciesPointerBuffer + 1], a
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; load pointer to OddEggSpecies in wMobileMonStructurePointerBuffer
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ld a, OddEggSpecies % $100
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ld [wMobileMonStructurePointerBuffer], a
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ld a, OddEggSpecies / $100
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ld [wMobileMonStructurePointerBuffer + 1], a
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; load Odd Egg Name in wTempOddEggNickname
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ld hl, .Odd
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ld de, wTempOddEggNickname
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ld bc, PKMN_NAME_LENGTH
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call CopyBytes
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; load pointer to wTempOddEggNickname in wMobileMonOTNamePointerBuffer
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ld a, wTempOddEggNickname % $100
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ld [wMobileMonOTNamePointerBuffer], a
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ld a, wTempOddEggNickname / $100
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ld [wMobileMonOTNamePointerBuffer + 1], a
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; load pointer to wOddEggName in wMobileMonNicknamePointerBuffer
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ld a, wOddEggName % $100
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ld [wMobileMonNicknamePointerBuffer], a
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ld a, wOddEggName / $100
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ld [wMobileMonNicknamePointerBuffer + 1], a
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farcall AddMobileMonToParty
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ret
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; 1fb546
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.Odd:
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db "ODD@@@@@@@@@"
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INCLUDE "data/odd_eggs.asm"
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