pokecrystal-board/engine/battle_tower.asm
Remy Oukaour 31cce83e9b Move lots of data tables into individual data/ files
(This is not expected to be their final location, but it makes them easier to relocate when necessary, and easier for users to edit until the whole project's file structure is finalized.)
2017-12-11 14:23:18 -05:00

211 lines
4.0 KiB
NASM

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"