pokecrystal-board/engine/evolve.asm

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EvolvePokemon: ; 421d8
ld hl, EvolvableFlags
xor a
ld [hl], a
ld a, [CurPartyMon]
ld c, a
ld b, SET_FLAG
call EvoFlagAction
EvolveAfterBattle: ; 421e6
xor a
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ld [wMonTriedToEvolve], a
dec a
ld [CurPartyMon], a
push hl
push bc
push de
ld hl, PartyCount
push hl
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EvolveAfterBattle_MasterLoop
ld hl, CurPartyMon
inc [hl]
pop hl
inc hl
ld a, [hl]
cp $ff
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jp z, .ReturnToMap
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ld [wEvolutionOldSpecies], a
push hl
ld a, [CurPartyMon]
ld c, a
ld hl, EvolvableFlags
ld b, CHECK_FLAG
call EvoFlagAction
ld a, c
and a
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jp z, EvolveAfterBattle_MasterLoop
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ld a, [wEvolutionOldSpecies]
dec a
ld b, 0
ld c, a
ld hl, EvosAttacksPointers
add hl, bc
add hl, bc
ld a, [hli]
ld h, [hl]
ld l, a
push hl
xor a
ld [MonType], a
predef CopyPkmnToTempMon
pop hl
.loop
ld a, [hli]
and a
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jr z, EvolveAfterBattle_MasterLoop
ld b, a
cp EVOLVE_TRADE
jr z, .trade
ld a, [wLinkMode]
and a
jp nz, .dont_evolve_2
ld a, b
cp EVOLVE_ITEM
jp z, .item
ld a, [wForceEvolution]
and a
jp nz, .dont_evolve_2
ld a, b
cp EVOLVE_LEVEL
jp z, .level
cp EVOLVE_HAPPINESS
jr z, .happiness
; EVOLVE_STAT
ld a, [TempMonLevel]
cp [hl]
jp c, .dont_evolve_1
call IsMonHoldingEverstone
jp z, .dont_evolve_1
push hl
ld de, TempMonAttack
ld hl, TempMonDefense
ld c, 2
call StringCmp
ld a, ATK_EQ_DEF
jr z, .got_tyrogue_evo
ld a, ATK_LT_DEF
jr c, .got_tyrogue_evo
ld a, ATK_GT_DEF
.got_tyrogue_evo
pop hl
inc hl
cp [hl]
jp nz, .dont_evolve_2
inc hl
jr .proceed
.happiness
ld a, [TempMonHappiness]
cp HAPPINESS_TO_EVOLVE
jp c, .dont_evolve_2
call IsMonHoldingEverstone
jp z, .dont_evolve_2
ld a, [hli]
cp TR_ANYTIME
jr z, .proceed
cp TR_MORNDAY
jr z, .happiness_daylight
; TR_NITE
ld a, [TimeOfDay]
cp NITE_F
jp nz, .dont_evolve_3
jr .proceed
.happiness_daylight
ld a, [TimeOfDay]
cp NITE_F
jp z, .dont_evolve_3
jr .proceed
.trade
ld a, [wLinkMode]
and a
jp z, .dont_evolve_2
call IsMonHoldingEverstone
jp z, .dont_evolve_2
ld a, [hli]
ld b, a
inc a
jr z, .proceed
ld a, [wLinkMode]
cp LINK_TIMECAPSULE
jp z, .dont_evolve_3
ld a, [TempMonItem]
cp b
jp nz, .dont_evolve_3
xor a
ld [TempMonItem], a
jr .proceed
.item
ld a, [hli]
ld b, a
ld a, [CurItem]
cp b
jp nz, .dont_evolve_3
ld a, [wForceEvolution]
and a
jp z, .dont_evolve_3
ld a, [wLinkMode]
and a
jp nz, .dont_evolve_3
jr .proceed
.level
ld a, [hli]
ld b, a
ld a, [TempMonLevel]
cp b
jp c, .dont_evolve_3
call IsMonHoldingEverstone
jp z, .dont_evolve_3
.proceed
ld a, [TempMonLevel]
ld [CurPartyLevel], a
ld a, $1
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ld [wMonTriedToEvolve], a
push hl
ld a, [hl]
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ld [wEvolutionNewSpecies], a
ld a, [CurPartyMon]
ld hl, PartyMonNicknames
call GetNick
call CopyName1
ld hl, Text_WhatEvolving
call PrintText
ld c, 50
call DelayFrames
xor a
ld [hBGMapMode], a
hlcoord 0, 0
lb bc, 12, 20
call ClearBox
ld a, $1
ld [hBGMapMode], a
call ClearSprites
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farcall EvolutionAnimation
push af
call ClearSprites
pop af
jp c, CancelEvolution
ld hl, Text_CongratulationsYourPokemon
call PrintText
pop hl
ld a, [hl]
ld [CurSpecies], a
ld [TempMonSpecies], a
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ld [wEvolutionNewSpecies], a
ld [wd265], a
call GetPokemonName
push hl
ld hl, Text_EvolvedIntoPKMN
call PrintTextBoxText
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farcall TrainerRankings_MonsEvolved
ld de, MUSIC_NONE
call PlayMusic
ld de, SFX_CAUGHT_MON
call PlaySFX
call WaitSFX
ld c, 40
call DelayFrames
call ClearTileMap
call UpdateSpeciesNameIfNotNicknamed
call GetBaseData
ld hl, TempMonExp + 2
ld de, TempMonMaxHP
ld b, $1
predef CalcPkmnStats
ld a, [CurPartyMon]
ld hl, PartyMons
ld bc, PARTYMON_STRUCT_LENGTH
call AddNTimes
ld e, l
ld d, h
ld bc, MON_MAXHP
add hl, bc
ld a, [hli]
ld b, a
ld c, [hl]
ld hl, TempMonMaxHP + 1
ld a, [hld]
sub c
ld c, a
ld a, [hl]
sbc b
ld b, a
ld hl, TempMonHP + 1
ld a, [hl]
add c
ld [hld], a
ld a, [hl]
adc b
ld [hl], a
ld hl, TempMonSpecies
ld bc, PARTYMON_STRUCT_LENGTH
call CopyBytes
ld a, [CurSpecies]
ld [wd265], a
xor a
ld [MonType], a
call LearnLevelMoves
ld a, [wd265]
dec a
call SetSeenAndCaughtMon
ld a, [wd265]
cp UNOWN
jr nz, .skip_unown
ld hl, TempMonDVs
predef GetUnownLetter
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callfar UpdateUnownDex
.skip_unown
pop de
pop hl
ld a, [TempMonSpecies]
ld [hl], a
push hl
ld l, e
ld h, d
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jp EvolveAfterBattle_MasterLoop
; 423f8
.dont_evolve_1
inc hl
.dont_evolve_2
inc hl
.dont_evolve_3
inc hl
jp .loop
; unused
pop hl
.ReturnToMap:
pop de
pop bc
pop hl
ld a, [wLinkMode]
and a
ret nz
ld a, [wBattleMode]
and a
ret nz
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ld a, [wMonTriedToEvolve]
and a
call nz, RestartMapMusic
ret
; 42414
UpdateSpeciesNameIfNotNicknamed: ; 42414
ld a, [CurSpecies]
push af
ld a, [BaseDexNo]
ld [wd265], a
call GetPokemonName
pop af
ld [CurSpecies], a
ld hl, StringBuffer1
ld de, StringBuffer2
.loop
ld a, [de]
inc de
cp [hl]
inc hl
ret nz
cp "@"
jr nz, .loop
ld a, [CurPartyMon]
ld bc, PKMN_NAME_LENGTH
ld hl, PartyMonNicknames
call AddNTimes
push hl
ld a, [CurSpecies]
ld [wd265], a
call GetPokemonName
ld hl, StringBuffer1
pop de
ld bc, PKMN_NAME_LENGTH
jp CopyBytes
; 42454
CancelEvolution: ; 42454
ld hl, Text_StoppedEvolving
call PrintText
call ClearTileMap
pop hl
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jp EvolveAfterBattle_MasterLoop
; 42461
IsMonHoldingEverstone: ; 42461
push hl
ld a, [CurPartyMon]
ld hl, PartyMon1Item
ld bc, PARTYMON_STRUCT_LENGTH
call AddNTimes
ld a, [hl]
cp EVERSTONE
pop hl
ret
; 42473
Text_CongratulationsYourPokemon: ; 0x42473
; Congratulations! Your @ @
text_jump UnknownText_0x1c4b92
db "@"
; 0x42478
Text_EvolvedIntoPKMN: ; 0x42478
; evolved into @ !
text_jump UnknownText_0x1c4baf
db "@"
; 0x4247d
Text_StoppedEvolving: ; 0x4247d
; Huh? @ stopped evolving!
text_jump UnknownText_0x1c4bc5
db "@"
; 0x42482
Text_WhatEvolving: ; 0x42482
; What? @ is evolving!
text_jump UnknownText_0x1c4be3
db "@"
; 0x42487
LearnLevelMoves: ; 42487
ld a, [wd265]
ld [CurPartySpecies], a
dec a
ld b, 0
ld c, a
ld hl, EvosAttacksPointers
add hl, bc
add hl, bc
ld a, [hli]
ld h, [hl]
ld l, a
.skip_evos
ld a, [hli]
and a
jr nz, .skip_evos
.find_move
ld a, [hli]
and a
jr z, .done
ld b, a
ld a, [CurPartyLevel]
cp b
ld a, [hli]
jr nz, .find_move
push hl
ld d, a
ld hl, PartyMon1Moves
ld a, [CurPartyMon]
ld bc, PARTYMON_STRUCT_LENGTH
call AddNTimes
ld b, NUM_MOVES
.check_move
ld a, [hli]
cp d
jr z, .has_move
dec b
jr nz, .check_move
jr .learn
.has_move
pop hl
jr .find_move
.learn
ld a, d
ld [wPutativeTMHMMove], a
ld [wd265], a
call GetMoveName
call CopyName1
predef LearnMove
pop hl
jr .find_move
.done
ld a, [CurPartySpecies]
ld [wd265], a
ret
; 424e1
FillMoves: ; 424e1
; Fill in moves at de for CurPartySpecies at CurPartyLevel
push hl
push de
push bc
ld hl, EvosAttacksPointers
ld b, 0
ld a, [CurPartySpecies]
dec a
add a
rl b
ld c, a
add hl, bc
ld a, [hli]
ld h, [hl]
ld l, a
.GoToAttacks:
ld a, [hli]
and a
jr nz, .GoToAttacks
jr .GetLevel
.NextMove:
pop de
.GetMove:
inc hl
.GetLevel:
ld a, [hli]
and a
jp z, .done
ld b, a
ld a, [CurPartyLevel]
cp b
jp c, .done
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ld a, [wEvolutionOldSpecies]
and a
jr z, .CheckMove
ld a, [wd002]
cp b
jr nc, .GetMove
.CheckMove:
push de
ld c, NUM_MOVES
.CheckRepeat:
ld a, [de]
inc de
cp [hl]
jr z, .NextMove
dec c
jr nz, .CheckRepeat
pop de
push de
ld c, NUM_MOVES
.CheckSlot:
ld a, [de]
and a
jr z, .LearnMove
inc de
dec c
jr nz, .CheckSlot
pop de
push de
push hl
ld h, d
ld l, e
call ShiftMoves
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ld a, [wEvolutionOldSpecies]
and a
jr z, .ShiftedMove
push de
ld bc, PartyMon1PP - (PartyMon1Moves + NUM_MOVES - 1)
add hl, bc
ld d, h
ld e, l
call ShiftMoves
pop de
.ShiftedMove:
pop hl
.LearnMove:
ld a, [hl]
ld [de], a
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ld a, [wEvolutionOldSpecies]
and a
jr z, .NextMove
push hl
ld a, [hl]
ld hl, MON_PP - MON_MOVES
add hl, de
push hl
dec a
ld hl, Moves + MOVE_PP
ld bc, MOVE_LENGTH
call AddNTimes
ld a, BANK(Moves)
call GetFarByte
pop hl
ld [hl], a
pop hl
jr .NextMove
.done
pop bc
pop de
pop hl
ret
; 4256e
ShiftMoves: ; 4256e
ld c, NUM_MOVES - 1
.loop
inc de
ld a, [de]
ld [hli], a
dec c
jr nz, .loop
ret
; 42577
EvoFlagAction: ; 42577
push de
ld d, $0
predef FlagPredef
pop de
ret
; 42581
GetPreEvolution: ; 42581
; Find the first mon to evolve into CurPartySpecies.
; Return carry and the new species in CurPartySpecies
; if a pre-evolution is found.
ld c, 0
.loop ; For each Pokemon...
ld hl, EvosAttacksPointers
ld b, 0
add hl, bc
add hl, bc
ld a, [hli]
ld h, [hl]
ld l, a
.loop2 ; For each evolution...
ld a, [hli]
and a
jr z, .no_evolve ; If we jump, this Pokemon does not evolve into CurPartySpecies.
cp EVOLVE_STAT ; This evolution type has the extra parameter of stat comparison.
jr nz, .not_tyrogue
inc hl
.not_tyrogue
inc hl
ld a, [CurPartySpecies]
cp [hl]
jr z, .found_preevo
inc hl
ld a, [hl]
and a
jr nz, .loop2
.no_evolve
inc c
ld a, c
cp NUM_POKEMON
jr c, .loop
and a
ret
.found_preevo
inc c
ld a, c
ld [CurPartySpecies], a
scf
ret
; 425b1