pokecrystal/battle/ai/items.asm

883 lines
13 KiB
NASM

AI_SwitchOrTryItem: ; 38000
and a
ld a, [wBattleMode]
dec a
ret z
ld a, [wLinkMode]
and a
ret nz
callba CheckEnemyLockedIn
ret nz
ld a, [PlayerSubStatus5]
bit SUBSTATUS_CANT_RUN, a
jr nz, DontSwitch
ld a, [wEnemyWrapCount]
and a
jr nz, DontSwitch
ld hl, TrainerClassAttributes + TRNATTR_AI_ITEM_SWITCH
ld a, [InBattleTowerBattle] ; Load always the first TrainerClass for BattleTower-Trainers
and a
jr nz, .ok
ld a, [TrainerClass]
dec a
ld bc, NUM_TRAINER_ATTRIBUTES
call AddNTimes
.ok
bit SWITCH_OFTEN_F, [hl]
jp nz, SwitchOften
bit SWITCH_RARELY_F, [hl]
jp nz, SwitchRarely
bit SWITCH_SOMETIMES_F, [hl]
jp nz, SwitchSometimes
; fallthrough
DontSwitch: ; 38041
call AI_TryItem
ret
; 38045
SwitchOften: ; 38045
callab CheckAbleToSwitch
ld a, [wEnemySwitchMonParam]
and $f0
jp z, DontSwitch
cp $10
jr nz, .not_10
call Random
cp 1 + 50 percent
jr c, .switch
jp DontSwitch
.not_10
cp $20
jr nz, .not_20
call Random
cp -1 + 79 percent
jr c, .switch
jp DontSwitch
.not_20
; $30
call Random
cp 4 percent
jp c, DontSwitch
.switch
ld a, [wEnemySwitchMonParam]
and $f
inc a
; In register 'a' is the number (1-6) of the Pkmn to switch to
ld [wEnemySwitchMonIndex], a
jp AI_TrySwitch
; 38083
SwitchRarely: ; 38083
callab CheckAbleToSwitch
ld a, [wEnemySwitchMonParam]
and $f0
jp z, DontSwitch
cp $10
jr nz, .not_10
call Random
cp 8 percent
jr c, .switch
jp DontSwitch
.not_10
cp $20
jr nz, .not_20
call Random
cp 12 percent
jr c, .switch
jp DontSwitch
.not_20
; $30
call Random
cp -1 + 79 percent
jp c, DontSwitch
.switch
ld a, [wEnemySwitchMonParam]
and $f
inc a
ld [wEnemySwitchMonIndex], a
jp AI_TrySwitch
; 380c1
SwitchSometimes: ; 380c1
callab CheckAbleToSwitch
ld a, [wEnemySwitchMonParam]
and $f0
jp z, DontSwitch
cp $10
jr nz, .not_10
call Random
cp -1 + 20 percent
jr c, .switch
jp DontSwitch
.not_10
cp $20
jr nz, .not_20
call Random
cp 1 + 50 percent
jr c, .switch
jp DontSwitch
.not_20
; $30
call Random
cp -1 + 20 percent
jp c, DontSwitch
.switch
ld a, [wEnemySwitchMonParam]
and $f
inc a
ld [wEnemySwitchMonIndex], a
jp AI_TrySwitch
; 380ff
CheckSubstatusCantRun: ; 380ff
ld a, [EnemySubStatus5]
bit SUBSTATUS_CANT_RUN, a
ret
; 38105
AI_TryItem: ; 38105
; items are not allowed in the BattleTower
ld a, [InBattleTowerBattle]
and a
ret nz
ld a, [wEnemyTrainerItem1]
ld b, a
ld a, [wEnemyTrainerItem2]
or b
ret z
call .IsHighestLevel
ret nc
ld a, [TrainerClass]
dec a
ld hl, TrainerClassAttributes + TRNATTR_AI_ITEM_SWITCH
ld bc, NUM_TRAINER_ATTRIBUTES
call AddNTimes
ld b, h
ld c, l
ld hl, AI_Items
ld de, wEnemyTrainerItem1
.loop
ld a, [hl]
and a
inc a
ret z
ld a, [de]
cp [hl]
jr z, .has_item
inc de
ld a, [de]
cp [hl]
jr z, .has_item
dec de
inc hl
inc hl
inc hl
jr .loop
.has_item
inc hl
push hl
push de
ld de, .callback
push de
ld a, [hli]
ld h, [hl]
ld l, a
jp hl
.callback
pop de
pop hl
inc hl
inc hl
jr c, .loop
.used_item
xor a
ld [de], a
inc a
ld [wEnemyGoesFirst], a
ld hl, EnemySubStatus3
res SUBSTATUS_BIDE, [hl]
xor a
ld [EnemyFuryCutterCount], a
ld [EnemyProtectCount], a
ld [wEnemyRageCounter], a
ld hl, EnemySubStatus4
res SUBSTATUS_RAGE, [hl]
xor a
ld [LastEnemyCounterMove], a
scf
ret
.IsHighestLevel: ; 38170
ld a, [OTPartyCount]
ld d, a
ld e, 0
ld hl, OTPartyMon1Level
ld bc, PARTYMON_STRUCT_LENGTH
.next
ld a, [hl]
cp e
jr c, .ok
ld e, a
.ok
add hl, bc
dec d
jr nz, .next
ld a, [CurOTMon]
ld hl, OTPartyMon1Level
call AddNTimes
ld a, [hl]
cp e
jr nc, .yes
.no
and a
ret
.yes
scf
ret
; 38196
AI_Items: ; 39196
dbw FULL_RESTORE, .FullRestore
dbw MAX_POTION, .MaxPotion
dbw HYPER_POTION, .HyperPotion
dbw SUPER_POTION, .SuperPotion
dbw POTION, .Potion
dbw X_ACCURACY, .XAccuracy
dbw FULL_HEAL, .FullHeal
dbw GUARD_SPEC, .GuardSpec
dbw DIRE_HIT, .DireHit
dbw X_ATTACK, .XAttack
dbw X_DEFEND, .XDefend
dbw X_SPEED, .XSpeed
dbw X_SPECIAL, .XSpecial
db $ff
; 381be
.FullHeal: ; 381be
call .Status
jp c, .DontUse
call EnemyUsedFullHeal
jp .Use
; 381ca
.Status: ; 381ca (e:41ca)
ld a, [EnemyMonStatus]
and a
jp z, .DontUse
ld a, [bc]
bit CONTEXT_USE_F, a
jr nz, .StatusCheckContext
ld a, [bc]
bit ALWAYS_USE_F, a
jp nz, .Use
call Random
cp -1 + 20 percent
jp c, .Use
jp .DontUse
.StatusCheckContext:
ld a, [EnemySubStatus5]
bit SUBSTATUS_TOXIC, a
jr z, .FailToxicCheck
ld a, [EnemyToxicCount]
cp 4
jr c, .FailToxicCheck
call Random
cp 1 + 50 percent
jp c, .Use
.FailToxicCheck:
ld a, [EnemyMonStatus]
and 1 << FRZ | SLP
jp z, .DontUse
jp .Use
; 38208
.FullRestore: ; 38208
call .HealItem
jp nc, .UseFullRestore
ld a, [bc]
bit CONTEXT_USE_F, a
jp z, .DontUse
call .Status
jp c, .DontUse
.UseFullRestore:
call EnemyUsedFullRestore
jp .Use
; 38220
.MaxPotion: ; 38220
call .HealItem
jp c, .DontUse
call EnemyUsedMaxPotion
jp .Use
.HealItem: ; 3822c (e:422c)
ld a, [bc]
bit CONTEXT_USE_F, a
jr nz, .CheckHalfOrQuarterHP
callab AICheckEnemyHalfHP
jp c, .DontUse
ld a, [bc]
bit UNKNOWN_USE_F, a
jp nz, .CheckQuarterHP
callab AICheckEnemyQuarterHP
jp nc, .UseHealItem
call Random
cp 1 + 50 percent
jp c, .UseHealItem
jp .DontUse
.CheckQuarterHP: ; 38254 (e:4254)
callab AICheckEnemyQuarterHP
jp c, .DontUse
call Random
cp -1 + 20 percent
jp c, .DontUse
jr .UseHealItem
.CheckHalfOrQuarterHP: ; 38267 (e:4267)
callab AICheckEnemyHalfHP
jp c, .DontUse
callab AICheckEnemyQuarterHP
jp nc, .UseHealItem
call Random
cp -1 + 20 percent
jp nc, .DontUse
.UseHealItem: ; 38281 (e:4281)
jp .Use
; 38284
.HyperPotion: ; 38284
call .HealItem
jp c, .DontUse
ld b, 200
call EnemyUsedHyperPotion
jp .Use
; 38292 (e:4292)
.SuperPotion: ; 38292
call .HealItem
jp c, .DontUse
ld b, 50
call EnemyUsedSuperPotion
jp .Use
; 382a0
.Potion: ; 382a0
call .HealItem
jp c, .DontUse
ld b, 20
call EnemyUsedPotion
jp .Use
; 382ae
.asm_382ae ; This appears to be unused
callab AICheckEnemyMaxHP
jr c, .dont_use
push bc
ld de, EnemyMonMaxHP + 1
ld hl, EnemyMonHP + 1
ld a, [de]
sub [hl]
jr z, .check_40_percent
dec hl
dec de
ld c, a
sbc [hl]
and a
jr nz, .check_40_percent
ld a, c
cp b
jp c, .check_50_percent
callab AICheckEnemyQuarterHP
jr c, .check_40_percent
.check_50_percent
pop bc
ld a, [bc]
bit UNKNOWN_USE_F, a
jp z, .Use
call Random
cp 1 + 50 percent
jp c, .Use
.dont_use
jp .DontUse
.check_40_percent
pop bc
ld a, [bc]
bit UNKNOWN_USE_F, a
jp z, .DontUse
call Random
cp 1 + 39 percent
jp c, .Use
jp .DontUse
; 382f9
.XAccuracy: ; 382f9
call .XItem
jp c, .DontUse
call EnemyUsedXAccuracy
jp .Use
; 38305
.GuardSpec: ; 38305
call .XItem
jp c, .DontUse
call EnemyUsedGuardSpec
jp .Use
; 38311
.DireHit: ; 38311
call .XItem
jp c, .DontUse
call EnemyUsedDireHit
jp .Use
; 3831d (e:431d)
.XAttack: ; 3831d
call .XItem
jp c, .DontUse
call EnemyUsedXAttack
jp .Use
; 38329
.XDefend: ; 38329
call .XItem
jp c, .DontUse
call EnemyUsedXDefend
jp .Use
; 38335
.XSpeed: ; 38335
call .XItem
jp c, .DontUse
call EnemyUsedXSpeed
jp .Use
; 38341
.XSpecial: ; 38341
call .XItem
jp c, .DontUse
call EnemyUsedXSpecial
jp .Use
; 3834d
.XItem: ; 3834d (e:434d)
ld a, [EnemyTurnsTaken]
and a
jr nz, .notfirstturnout
ld a, [bc]
bit ALWAYS_USE_F, a
jp nz, .Use
call Random
cp 1 + 50 percent
jp c, .DontUse
ld a, [bc]
bit CONTEXT_USE_F, a
jp nz, .Use
call Random
cp 1 + 50 percent
jp c, .DontUse
jp .Use
.notfirstturnout
ld a, [bc]
bit ALWAYS_USE_F, a
jp z, .DontUse
call Random
cp -1 + 20 percent
jp nc, .DontUse
jp .Use
.DontUse:
scf
ret
.Use:
and a
ret
AIUpdateHUD: ; 38387
call UpdateEnemyMonInParty
callba UpdateEnemyHUD
ld a, $1
ld [hBGMapMode], a
ld hl, wEnemyItemState
dec [hl]
scf
ret
; 3839a
AIUsedItemSound: ; 3839a
push de
ld de, SFX_FULL_HEAL
call PlaySFX
pop de
ret
; 383a3
EnemyUsedFullHeal: ; 383a3 (e:43a3)
call AIUsedItemSound
call AI_HealStatus
ld a, FULL_HEAL
jp PrintText_UsedItemOn_AND_AIUpdateHUD
EnemyUsedMaxPotion: ; 383ae (e:43ae)
ld a, MAX_POTION
ld [CurEnemyItem], a
jr FullRestoreContinue
EnemyUsedFullRestore: ; 383b5 (e:43b5)
call AI_HealStatus
ld a, FULL_RESTORE
ld [CurEnemyItem], a
ld hl, EnemySubStatus3
res SUBSTATUS_CONFUSED, [hl]
xor a
ld [EnemyConfuseCount], a
FullRestoreContinue: ; 383c6
ld de, wCurHPAnimOldHP
ld hl, EnemyMonHP + 1
ld a, [hld]
ld [de], a
inc de
ld a, [hl]
ld [de], a
inc de
ld hl, EnemyMonMaxHP + 1
ld a, [hld]
ld [de], a
inc de
ld [wCurHPAnimMaxHP], a
ld [EnemyMonHP + 1], a
ld a, [hl]
ld [de], a
ld [wCurHPAnimMaxHP + 1], a
ld [EnemyMonHP], a
jr EnemyPotionFinish
; 383e8 (e:43e8)
EnemyUsedPotion: ; 383e8
ld a, POTION
ld b, 20
jr EnemyPotionContinue
EnemyUsedSuperPotion: ; 383ee
ld a, SUPER_POTION
ld b, 50
jr EnemyPotionContinue
EnemyUsedHyperPotion: ; 383f4 (e:43f4)
ld a, HYPER_POTION
ld b, 200
EnemyPotionContinue: ; 383f8
ld [CurEnemyItem], a
ld hl, EnemyMonHP + 1
ld a, [hl]
ld [wCurHPAnimOldHP], a
add b
ld [hld], a
ld [wCurHPAnimNewHP], a
ld a, [hl]
ld [wCurHPAnimOldHP + 1], a
ld [wCurHPAnimNewHP + 1], a
jr nc, .ok
inc a
ld [hl], a
ld [wCurHPAnimNewHP + 1], a
.ok
inc hl
ld a, [hld]
ld b, a
ld de, EnemyMonMaxHP + 1
ld a, [de]
dec de
ld [wCurHPAnimMaxHP], a
sub b
ld a, [hli]
ld b, a
ld a, [de]
ld [wCurHPAnimMaxHP + 1], a
sbc b
jr nc, EnemyPotionFinish
inc de
ld a, [de]
dec de
ld [hld], a
ld [wCurHPAnimNewHP], a
ld a, [de]
ld [hl], a
ld [wCurHPAnimNewHP + 1], a
EnemyPotionFinish: ; 38436
call PrintText_UsedItemOn
hlcoord 2, 2
xor a
ld [wWhichHPBar], a
call AIUsedItemSound
predef AnimateHPBar
jp AIUpdateHUD
AI_TrySwitch: ; 3844b
; Determine whether the AI can switch based on how many Pokemon are still alive.
; If it can switch, it will.
ld a, [OTPartyCount]
ld c, a
ld hl, OTPartyMon1HP
ld d, 0
.SwitchLoop:
ld a, [hli]
ld b, a
ld a, [hld]
or b
jr z, .fainted
inc d
.fainted
push bc
ld bc, PARTYMON_STRUCT_LENGTH
add hl, bc
pop bc
dec c
jr nz, .SwitchLoop
ld a, d
cp 2
jp nc, AI_Switch
and a
ret
; 3846c
AI_Switch: ; 3846c
ld a, $1
ld [wEnemyIsSwitching], a
ld [wEnemyGoesFirst], a
ld hl, EnemySubStatus4
res SUBSTATUS_RAGE, [hl]
xor a
ld [hBattleTurn], a
callab PursuitSwitch
push af
ld a, [CurOTMon]
ld hl, OTPartyMon1Status
ld bc, PARTYMON_STRUCT_LENGTH
call AddNTimes
ld d, h
ld e, l
ld hl, EnemyMonStatus
ld bc, MON_MAXHP - MON_STATUS
call CopyBytes
pop af
jr c, .skiptext
ld hl, TextJump_EnemyWithdrew
call PrintText
.skiptext
ld a, 1
ld [wBattleHasJustStarted], a
callab NewEnemyMonStatus
callab ResetEnemyStatLevels
ld hl, PlayerSubStatus1
res SUBSTATUS_IN_LOVE, [hl]
callba EnemySwitch
callba ResetBattleParticipants
xor a
ld [wBattleHasJustStarted], a
ld a, [wLinkMode]
and a
ret nz
scf
ret
; 384d0
TextJump_EnemyWithdrew: ; 384d0
text_jump Text_EnemyWithdrew
db "@"
; 384d5
Function384d5: ; This appears to be unused
call AIUsedItemSound
call AI_HealStatus
ld a, FULL_HEAL_RED ; X_SPEED
jp PrintText_UsedItemOn_AND_AIUpdateHUD
; 384e0
AI_HealStatus: ; 384e0
ld a, [CurOTMon]
ld hl, OTPartyMon1Status
ld bc, PARTYMON_STRUCT_LENGTH
call AddNTimes
xor a
ld [hl], a
ld [EnemyMonStatus], a
; Bug: this should reset SUBSTATUS_NIGHTMARE too
; Uncomment the lines below to fix
; ld hl, EnemySubStatus1
; res SUBSTATUS_NIGHTMARE, [hl]
ld hl, EnemySubStatus5
res SUBSTATUS_TOXIC, [hl]
ret
; 384f7
EnemyUsedXAccuracy: ; 384f7
call AIUsedItemSound
ld hl, EnemySubStatus4
set SUBSTATUS_X_ACCURACY, [hl]
ld a, X_ACCURACY
jp PrintText_UsedItemOn_AND_AIUpdateHUD
; 38504
EnemyUsedGuardSpec: ; 38504
call AIUsedItemSound
ld hl, EnemySubStatus4
set SUBSTATUS_MIST, [hl]
ld a, GUARD_SPEC
jp PrintText_UsedItemOn_AND_AIUpdateHUD
; 38511
EnemyUsedDireHit: ; 38511
call AIUsedItemSound
ld hl, EnemySubStatus4
set SUBSTATUS_FOCUS_ENERGY, [hl]
ld a, DIRE_HIT
jp PrintText_UsedItemOn_AND_AIUpdateHUD
; 3851e
Function3851e: ; This appears to be unused
ld [hDivisor], a
ld hl, EnemyMonMaxHP
ld a, [hli]
ld [hDividend], a
ld a, [hl]
ld [hDividend + 1], a
ld b, 2
call Divide
ld a, [hQuotient + 2]
ld c, a
ld a, [hQuotient + 1]
ld b, a
ld hl, EnemyMonHP + 1
ld a, [hld]
ld e, a
ld a, [hl]
ld d, a
ld a, d
sub b
ret nz
ld a, e
sub c
ret
; 38541
EnemyUsedXAttack: ; 38541
ld b, ATTACK
ld a, X_ATTACK
jr EnemyUsedXItem
; 38547
EnemyUsedXDefend: ; 38547
ld b, DEFENSE
ld a, X_DEFEND
jr EnemyUsedXItem
; 3854d
EnemyUsedXSpeed: ; 3854d
ld b, SPEED
ld a, X_SPEED
jr EnemyUsedXItem
; 38553
EnemyUsedXSpecial: ; 38553
ld b, SP_ATTACK
ld a, X_SPECIAL
; Parameter
; a = ITEM_CONSTANT
; b = BATTLE_CONSTANT (ATTACK, DEFENSE, SPEED, SP_ATTACK, SP_DEFENSE, ACCURACY, EVASION)
EnemyUsedXItem:
ld [CurEnemyItem], a
push bc
call PrintText_UsedItemOn
pop bc
callba CheckIfStatCanBeRaised
jp AIUpdateHUD
; 38568
; Parameter
; a = ITEM_CONSTANT
PrintText_UsedItemOn_AND_AIUpdateHUD: ; 38568
ld [CurEnemyItem], a
call PrintText_UsedItemOn
jp AIUpdateHUD
; 38571
PrintText_UsedItemOn: ; 38571
ld a, [CurEnemyItem]
ld [wd265], a
call GetItemName
ld hl, StringBuffer1
ld de, wMonOrItemNameBuffer
ld bc, ITEM_NAME_LENGTH
call CopyBytes
ld hl, TextJump_EnemyUsedOn
jp PrintText
; 3858c
TextJump_EnemyUsedOn: ; 3858c
text_jump Text_EnemyUsedOn
db "@"
; 38591