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read_trainer_party.asm
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read_trainer_party.asm
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ReadTrainer:
; don't change any moves in a link battle
ld a, [wLinkState]
and a
ret nz
; set [wEnemyPartyCount] to 0, [wEnemyPartySpecies] to FF
; XXX first is total enemy pokemon?
; XXX second is species of first pokemon?
ld hl, wEnemyPartyCount
xor a
ld [hli], a
dec a
ld [hl], a
; get the pointer to trainer data for this class
ld a, [wCurOpponent]
sub OPP_ID_OFFSET + 1 ; convert value from pokemon to trainer
add a
ld hl, TrainerDataPointers
ld c, a
ld b, 0
add hl, bc ; hl points to trainer class
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [wTrainerNo]
ld b, a
; At this point b contains the trainer number,
; and hl points to the trainer class.
; Our next task is to iterate through the trainers,
; decrementing b each time, until we get to the right one.
.outer
dec b
jr z, .IterateTrainer
.inner
ld a, [hli]
and a
jr nz, .inner
jr .outer
; if the first byte of trainer data is FF,
; - each pokemon has a specific level
; (as opposed to the whole team being of the same level)
; - if [wLoneAttackNo] != 0, one pokemon on the team has a special move
; else the first byte is the level of every pokemon on the team
.IterateTrainer
ld a, [hli]
cp $FF ; is the trainer special?
jr z, .SpecialTrainer ; if so, check for special moves
ld [wCurEnemyLevel], a
.LoopTrainerData
ld a, [hli]
and a ; have we reached the end of the trainer data?
jr z, .FinishUp
ld [wCurPartySpecies], a
ld a, ENEMY_PARTY_DATA
ld [wMonDataLocation], a
push hl
call AddPartyMon
pop hl
jr .LoopTrainerData
.SpecialTrainer
; if this code is being run:
; - each pokemon has a specific level
; (as opposed to the whole team being of the same level)
; - if [wLoneAttackNo] != 0, one pokemon on the team has a special move
ld a, [hli]
and a ; have we reached the end of the trainer data?
jr z, .AddLoneMove
ld [wCurEnemyLevel], a
ld a, [hli]
ld [wCurPartySpecies], a
ld a, ENEMY_PARTY_DATA
ld [wMonDataLocation], a
push hl
call AddPartyMon
pop hl
jr .SpecialTrainer
.AddLoneMove
; does the trainer have a single monster with a different move?
ld a, [wLoneAttackNo] ; Brock is 01, Misty is 02, Erika is 04, etc
and a
jr z, .AddTeamMove
dec a
add a
ld c, a
ld b, 0
ld hl, LoneMoves
add hl, bc
ld a, [hli]
ld d, [hl]
ld hl, wEnemyMon1Moves + 2
ld bc, wEnemyMon2 - wEnemyMon1
call AddNTimes
ld [hl], d
jr .FinishUp
.AddTeamMove
; check if our trainer's team has special moves
; get trainer class number
ld a, [wCurOpponent]
sub OPP_ID_OFFSET
ld b, a
ld hl, TeamMoves
; iterate through entries in TeamMoves, checking each for our trainer class
.IterateTeamMoves
ld a, [hli]
cp b
jr z, .GiveTeamMoves ; is there a match?
inc hl ; if not, go to the next entry
inc a
jr nz, .IterateTeamMoves
; no matches found. is this trainer champion rival?
ld a, b
cp RIVAL3
jr z, .ChampionRival
jr .FinishUp ; nope
.GiveTeamMoves
ld a, [hl]
ld [wEnemyMon5Moves + 2], a
jr .FinishUp
.ChampionRival ; give moves to his team
; pidgeot
ld a, SKY_ATTACK
ld [wEnemyMon1Moves + 2], a
; starter
ld a, [wRivalStarter]
cp STARTER3
ld b, MEGA_DRAIN
jr z, .GiveStarterMove
cp STARTER1
ld b, FIRE_BLAST
jr z, .GiveStarterMove
ld b, BLIZZARD ; must be squirtle
.GiveStarterMove
ld a, b
ld [wEnemyMon6Moves + 2], a
.FinishUp
; clear wAmountMoneyWon addresses
xor a
ld de, wAmountMoneyWon
ld [de], a
inc de
ld [de], a
inc de
ld [de], a
ld a, [wCurEnemyLevel]
ld b, a
.LastLoop
; update wAmountMoneyWon addresses (money to win) based on enemy's level
ld hl, wTrainerBaseMoney + 1
ld c, 2 ; wAmountMoneyWon is a 3-byte number
push bc
predef AddBCDPredef
pop bc
inc de
inc de
dec b
jr nz, .LastLoop ; repeat wCurEnemyLevel times
ret