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Function_LoadOpponentTrainerAndPokemons: ; 1f8000
ld a, [rSVBK]
push af
ld a, BANK(BT_OTTrainer)
ld [rSVBK], a
; Fill BT_OTTrainer with zeros
xor a
ld hl, BT_OTTrainer
ld bc, BT_OTTrainerEnd - BT_OTTrainer
call ByteFill
; Write $ff into the Item-Slots
ld a, $ff
ld [BT_OTPkmn1Item], a
ld [BT_OTPkmn2Item], a
ld [BT_OTPkmn3Item], a
; Set BT_OTTrainer as start address to write the following data to
ld de, BT_OTTrainer
ld a, [hRandomAdd]
ld b, a
.resample ; loop to find a random trainer
call Random
ld a, [hRandomAdd]
add b
ld b, a ; b contains the nr of the trainer
IF DEF(CRYSTAL11)
and (1 << 7) - 1
cp 70
ELSE
and (1 << 5) - 1
cp 21
ENDC
jr nc, .resample
ld b, a
ld a, BANK(sBTTrainers)
call GetSRAMBank
ld c, BATTLETOWER_NROFTRAINERS
ld hl, sBTTrainers
.next_trainer
ld a, [hli]
cp b
jr z, .resample
dec c
jr nz, .next_trainer ; c <= 7 initialise all 7 trainers?
ld hl, sBTTrainers
ld a, [sNrOfBeatenBattleTowerTrainers]
ld c, a
ld a, b
ld b, 0
add hl, bc
ld [hl], a
call CloseSRAM
push af
; Copy name (10 bytes) and class (1 byte) of trainer
ld hl, BattleTowerTrainers
ld bc, NAME_LENGTH
call AddNTimes
ld bc, NAME_LENGTH
call CopyBytes
call Function_LoadRandomBattleTowerPkmn
pop af
ld hl, BattleTowerTrainerData
ld bc, BATTLETOWER_TRAINERDATALENGTH
call AddNTimes
ld bc, BATTLETOWER_TRAINERDATALENGTH
.copy_bt_trainer_data_loop
ld a, BANK(BattleTowerTrainerData)
call GetFarByte
ld [de], a
inc hl
inc de
dec bc
ld a, b
or c
jr nz, .copy_bt_trainer_data_loop
pop af
ld [rSVBK], a
ret
Function_LoadRandomBattleTowerPkmn: ; 1f8081
ld c, BATTLETOWER_NROFPKMNS
.loop
push bc
ld a, BANK(sBTPkmnPrevTrainer1)
call GetSRAMBank
.FindARandomBattleTowerPkmn:
; From Which LevelGroup are the Pkmn loaded
; a = 1..10
ld a, [wBTChoiceOfLvlGroup] ; [$d800]
dec a
ld hl, BattleTowerMons
ld bc, BattleTowerMons2 - BattleTowerMons1
call AddNTimes
ld a, [hRandomAdd]
ld b, a
.resample
call Random
ld a, [hRandomAdd]
add b
ld b, a
and $1f
cp BATTLETOWER_NRMONSPERLEVELBRACKET
jr nc, .resample
; in register 'a' is the chosen Pkmn of the LevelGroup
; Check if Pkmn was already loaded before
; Check current and the 2 previous teams
; includes check if item is double at the current team
ld bc, PARTYMON_STRUCT_LENGTH + PKMN_NAME_LENGTH
call AddNTimes
ld a, [hli]
ld b, a
ld a, [hld]
ld c, a
ld a, [BT_OTPkmn1]
cp b
jr z, .FindARandomBattleTowerPkmn
ld a, [BT_OTPkmn1Item]
cp c
jr z, .FindARandomBattleTowerPkmn
ld a, [BT_OTPkmn2]
cp b
jr z, .FindARandomBattleTowerPkmn
ld a, [BT_OTPkmn2Item]
cp c
jr z, .FindARandomBattleTowerPkmn
ld a, [BT_OTPkmn3]
cp b
jr z, .FindARandomBattleTowerPkmn
ld a, [BT_OTPkmn3Item]
cp c
jr z, .FindARandomBattleTowerPkmn
ld a, [sBTPkmnPrevTrainer1]
cp b
jr z, .FindARandomBattleTowerPkmn
ld a, [sBTPkmnPrevTrainer2]
cp b
jr z, .FindARandomBattleTowerPkmn
ld a, [sBTPkmnPrevTrainer3]
cp b
jr z, .FindARandomBattleTowerPkmn
ld a, [sBTPkmnPrevPrevTrainer1]
cp b
jr z, .FindARandomBattleTowerPkmn
ld a, [sBTPkmnPrevPrevTrainer2]
cp b
jr z, .FindARandomBattleTowerPkmn
ld a, [sBTPkmnPrevPrevTrainer3]
cp b
jr z, .FindARandomBattleTowerPkmn
ld bc, PARTYMON_STRUCT_LENGTH + PKMN_NAME_LENGTH
call CopyBytes
ld a, [wNamedObjectIndexBuffer]
push af
push de
ld hl, - (PARTYMON_STRUCT_LENGTH + PKMN_NAME_LENGTH)
add hl, de
ld a, [hl]
ld [wNamedObjectIndexBuffer], a
ld bc, PARTYMON_STRUCT_LENGTH
add hl, bc
push hl
call GetPokemonName
ld h, d
ld l, e
pop de
ld bc, PKMN_NAME_LENGTH
call CopyBytes
pop de
pop af
ld [wNamedObjectIndexBuffer], a
pop bc
dec c
jp nz, .loop
ld a, [sBTPkmnPrevTrainer1]
ld [sBTPkmnPrevPrevTrainer1], a
ld a, [sBTPkmnPrevTrainer2]
ld [sBTPkmnPrevPrevTrainer2], a
ld a, [sBTPkmnPrevTrainer3]
ld [sBTPkmnPrevPrevTrainer3], a
ld a, [BT_OTPkmn1]
ld [sBTPkmnPrevTrainer1], a
ld a, [BT_OTPkmn2]
ld [sBTPkmnPrevTrainer2], a
ld a, [BT_OTPkmn3]
ld [sBTPkmnPrevTrainer3], a
call CloseSRAM
ret
; 1f814e
INCLUDE "data/battle_tower.asm"
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