mirror of https://github.com/pret/pokecrystal.git
851 lines
13 KiB
NASM
851 lines
13 KiB
NASM
AI_SwitchOrTryItem:
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and a
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ld a, [wBattleMode]
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dec a
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ret z
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ld a, [wLinkMode]
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and a
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ret nz
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farcall CheckEnemyLockedIn
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ret nz
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ld a, [wPlayerSubStatus5]
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bit SUBSTATUS_CANT_RUN, a
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jr nz, DontSwitch
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ld a, [wEnemyWrapCount]
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and a
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jr nz, DontSwitch
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; always load the first trainer class in wTrainerClass for Battle Tower trainers
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ld hl, TrainerClassAttributes + TRNATTR_AI_ITEM_SWITCH
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ld a, [wInBattleTowerBattle]
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and a
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jr nz, .ok
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ld a, [wTrainerClass]
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dec a
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ld bc, NUM_TRAINER_ATTRIBUTES
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call AddNTimes
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.ok
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bit SWITCH_OFTEN_F, [hl]
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jp nz, SwitchOften
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bit SWITCH_RARELY_F, [hl]
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jp nz, SwitchRarely
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bit SWITCH_SOMETIMES_F, [hl]
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jp nz, SwitchSometimes
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; fallthrough
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DontSwitch:
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call AI_TryItem
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ret
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SwitchOften:
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callfar CheckAbleToSwitch
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ld a, [wEnemySwitchMonParam]
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and $f0
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jp z, DontSwitch
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cp $10
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jr nz, .not_10
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call Random
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cp 50 percent + 1
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jr c, .switch
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jp DontSwitch
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.not_10
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cp $20
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jr nz, .not_20
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call Random
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cp 79 percent - 1
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jr c, .switch
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jp DontSwitch
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.not_20
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; $30
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call Random
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cp 4 percent
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jp c, DontSwitch
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.switch
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ld a, [wEnemySwitchMonParam]
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and $f
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inc a
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; In register 'a' is the number (1-6) of the mon to switch to
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ld [wEnemySwitchMonIndex], a
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jp AI_TrySwitch
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SwitchRarely:
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callfar CheckAbleToSwitch
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ld a, [wEnemySwitchMonParam]
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and $f0
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jp z, DontSwitch
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cp $10
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jr nz, .not_10
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call Random
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cp 8 percent
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jr c, .switch
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jp DontSwitch
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.not_10
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cp $20
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jr nz, .not_20
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call Random
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cp 12 percent
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jr c, .switch
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jp DontSwitch
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.not_20
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; $30
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call Random
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cp 79 percent - 1
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jp c, DontSwitch
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.switch
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ld a, [wEnemySwitchMonParam]
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and $f
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inc a
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ld [wEnemySwitchMonIndex], a
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jp AI_TrySwitch
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SwitchSometimes:
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callfar CheckAbleToSwitch
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ld a, [wEnemySwitchMonParam]
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and $f0
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jp z, DontSwitch
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cp $10
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jr nz, .not_10
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call Random
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cp 20 percent - 1
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jr c, .switch
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jp DontSwitch
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.not_10
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cp $20
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jr nz, .not_20
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call Random
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cp 50 percent + 1
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jr c, .switch
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jp DontSwitch
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.not_20
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; $30
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call Random
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cp 20 percent - 1
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jp c, DontSwitch
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.switch
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ld a, [wEnemySwitchMonParam]
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and $f
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inc a
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ld [wEnemySwitchMonIndex], a
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jp AI_TrySwitch
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CheckSubstatusCantRun: ; unreferenced
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ld a, [wEnemySubStatus5]
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bit SUBSTATUS_CANT_RUN, a
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ret
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AI_TryItem:
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; items are not allowed in the Battle Tower
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ld a, [wInBattleTowerBattle]
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and a
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ret nz
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ld a, [wEnemyTrainerItem1]
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ld b, a
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ld a, [wEnemyTrainerItem2]
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or b
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ret z
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call .IsHighestLevel
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ret nc
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ld a, [wTrainerClass]
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dec a
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ld hl, TrainerClassAttributes + TRNATTR_AI_ITEM_SWITCH
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ld bc, NUM_TRAINER_ATTRIBUTES
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call AddNTimes
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ld b, h
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ld c, l
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ld hl, AI_Items
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ld de, wEnemyTrainerItem1
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.loop
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ld a, [hl]
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and a
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inc a
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ret z
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ld a, [de]
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cp [hl]
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jr z, .has_item
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inc de
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ld a, [de]
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cp [hl]
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jr z, .has_item
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dec de
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inc hl
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inc hl
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inc hl
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jr .loop
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.has_item
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inc hl
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push hl
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push de
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ld de, .callback
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push de
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ld a, [hli]
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ld h, [hl]
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ld l, a
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jp hl
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.callback
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pop de
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pop hl
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inc hl
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inc hl
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jr c, .loop
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; used item
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xor a
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ld [de], a
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inc a
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ld [wEnemyGoesFirst], a
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ld hl, wEnemySubStatus3
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res SUBSTATUS_BIDE, [hl]
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xor a
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ld [wEnemyFuryCutterCount], a
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ld [wEnemyProtectCount], a
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ld [wEnemyRageCounter], a
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ld hl, wEnemySubStatus4
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res SUBSTATUS_RAGE, [hl]
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xor a
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ld [wLastEnemyCounterMove], a
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scf
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ret
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.IsHighestLevel:
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ld a, [wOTPartyCount]
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ld d, a
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ld e, 0
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ld hl, wOTPartyMon1Level
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ld bc, PARTYMON_STRUCT_LENGTH
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.next
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ld a, [hl]
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cp e
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jr c, .ok
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ld e, a
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.ok
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add hl, bc
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dec d
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jr nz, .next
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ld a, [wCurOTMon]
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ld hl, wOTPartyMon1Level
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call AddNTimes
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ld a, [hl]
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cp e
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jr nc, .yes
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.no ; unreferenced
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and a
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ret
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.yes
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scf
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ret
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AI_Items:
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dbw FULL_RESTORE, .FullRestore
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dbw MAX_POTION, .MaxPotion
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dbw HYPER_POTION, .HyperPotion
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dbw SUPER_POTION, .SuperPotion
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dbw POTION, .Potion
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dbw X_ACCURACY, .XAccuracy
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dbw FULL_HEAL, .FullHeal
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dbw GUARD_SPEC, .GuardSpec
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dbw DIRE_HIT, .DireHit
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dbw X_ATTACK, .XAttack
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dbw X_DEFEND, .XDefend
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dbw X_SPEED, .XSpeed
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dbw X_SPECIAL, .XSpecial
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db -1 ; end
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.FullHeal:
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call .Status
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jp c, .DontUse
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call EnemyUsedFullHeal
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jp .Use
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.Status:
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ld a, [wEnemyMonStatus]
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and a
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jp z, .DontUse
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ld a, [bc]
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bit CONTEXT_USE_F, a
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jr nz, .StatusCheckContext
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ld a, [bc]
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bit ALWAYS_USE_F, a
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jp nz, .Use
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call Random
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cp 20 percent - 1
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jp c, .Use
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jp .DontUse
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.StatusCheckContext:
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ld a, [wEnemySubStatus5]
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bit SUBSTATUS_TOXIC, a
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jr z, .FailToxicCheck
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ld a, [wEnemyToxicCount]
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cp 4
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jr c, .FailToxicCheck
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call Random
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cp 50 percent + 1
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jp c, .Use
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.FailToxicCheck:
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ld a, [wEnemyMonStatus]
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and 1 << FRZ | SLP
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jp z, .DontUse
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jp .Use
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.FullRestore:
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call .HealItem
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jp nc, .UseFullRestore
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ld a, [bc]
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bit CONTEXT_USE_F, a
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jp z, .DontUse
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call .Status
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jp c, .DontUse
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.UseFullRestore:
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call EnemyUsedFullRestore
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jp .Use
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.MaxPotion:
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call .HealItem
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jp c, .DontUse
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call EnemyUsedMaxPotion
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jp .Use
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.HealItem:
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ld a, [bc]
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bit CONTEXT_USE_F, a
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jr nz, .CheckHalfOrQuarterHP
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callfar AICheckEnemyHalfHP
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jp c, .DontUse
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ld a, [bc]
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bit UNKNOWN_USE_F, a
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jp nz, .CheckQuarterHP
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callfar AICheckEnemyQuarterHP
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jp nc, .UseHealItem
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call Random
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cp 50 percent + 1
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jp c, .UseHealItem
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jp .DontUse
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.CheckQuarterHP:
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callfar AICheckEnemyQuarterHP
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jp c, .DontUse
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call Random
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cp 20 percent - 1
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jp c, .DontUse
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jr .UseHealItem
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.CheckHalfOrQuarterHP:
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callfar AICheckEnemyHalfHP
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jp c, .DontUse
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callfar AICheckEnemyQuarterHP
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jp nc, .UseHealItem
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call Random
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cp 20 percent - 1
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jp nc, .DontUse
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.UseHealItem:
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jp .Use
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.HyperPotion:
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call .HealItem
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jp c, .DontUse
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ld b, 200
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call EnemyUsedHyperPotion
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jp .Use
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.SuperPotion:
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call .HealItem
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jp c, .DontUse
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ld b, 50
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call EnemyUsedSuperPotion
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jp .Use
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.Potion:
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call .HealItem
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jp c, .DontUse
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ld b, 20
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call EnemyUsedPotion
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jp .Use
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; Everything up to "End unused" is unused
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.UnusedHealItem: ; unreferenced
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; This has similar conditions to .HealItem
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callfar AICheckEnemyMaxHP
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jr c, .dont_use
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push bc
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ld de, wEnemyMonMaxHP + 1
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ld hl, wEnemyMonHP + 1
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ld a, [de]
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sub [hl]
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jr z, .check_40_percent
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dec hl
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dec de
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ld c, a
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sbc [hl]
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and a
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jr nz, .check_40_percent
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ld a, c
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cp b
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jp c, .check_50_percent
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callfar AICheckEnemyQuarterHP
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jr c, .check_40_percent
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.check_50_percent
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pop bc
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ld a, [bc]
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bit UNKNOWN_USE_F, a
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jp z, .Use
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call Random
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cp 50 percent + 1
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jp c, .Use
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.dont_use
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jp .DontUse
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.check_40_percent
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pop bc
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ld a, [bc]
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bit UNKNOWN_USE_F, a
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jp z, .DontUse
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call Random
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cp 39 percent + 1
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jp c, .Use
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jp .DontUse
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; End unused
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.XAccuracy:
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call .XItem
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jp c, .DontUse
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call EnemyUsedXAccuracy
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jp .Use
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.GuardSpec:
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call .XItem
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jp c, .DontUse
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call EnemyUsedGuardSpec
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jp .Use
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.DireHit:
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call .XItem
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jp c, .DontUse
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call EnemyUsedDireHit
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jp .Use
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.XAttack:
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call .XItem
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jp c, .DontUse
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call EnemyUsedXAttack
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jp .Use
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.XDefend:
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call .XItem
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jp c, .DontUse
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call EnemyUsedXDefend
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jp .Use
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.XSpeed:
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call .XItem
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jp c, .DontUse
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call EnemyUsedXSpeed
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jp .Use
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.XSpecial:
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call .XItem
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jp c, .DontUse
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call EnemyUsedXSpecial
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jp .Use
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.XItem:
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ld a, [wEnemyTurnsTaken]
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and a
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jr nz, .notfirstturnout
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ld a, [bc]
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bit ALWAYS_USE_F, a
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jp nz, .Use
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call Random
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cp 50 percent + 1
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jp c, .DontUse
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ld a, [bc]
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bit CONTEXT_USE_F, a
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jp nz, .Use
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call Random
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cp 50 percent + 1
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jp c, .DontUse
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jp .Use
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.notfirstturnout
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ld a, [bc]
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bit ALWAYS_USE_F, a
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jp z, .DontUse
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call Random
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cp 20 percent - 1
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jp nc, .DontUse
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jp .Use
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.DontUse:
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scf
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ret
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.Use:
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and a
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ret
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AIUpdateHUD:
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call UpdateEnemyMonInParty
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farcall UpdateEnemyHUD
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ld a, $1
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ldh [hBGMapMode], a
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ld hl, wEnemyItemState
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dec [hl]
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scf
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ret
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AIUsedItemSound:
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push de
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ld de, SFX_FULL_HEAL
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call PlaySFX
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pop de
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ret
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EnemyUsedFullHeal:
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call AIUsedItemSound
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call AI_HealStatus
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ld a, FULL_HEAL
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jp PrintText_UsedItemOn_AND_AIUpdateHUD
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EnemyUsedMaxPotion:
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ld a, MAX_POTION
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ld [wCurEnemyItem], a
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jr FullRestoreContinue
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EnemyUsedFullRestore:
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call AI_HealStatus
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ld a, FULL_RESTORE
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ld [wCurEnemyItem], a
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ld hl, wEnemySubStatus3
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res SUBSTATUS_CONFUSED, [hl]
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xor a
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ld [wEnemyConfuseCount], a
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FullRestoreContinue:
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ld de, wCurHPAnimOldHP
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ld hl, wEnemyMonHP + 1
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ld a, [hld]
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ld [de], a
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inc de
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ld a, [hl]
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ld [de], a
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inc de
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ld hl, wEnemyMonMaxHP + 1
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ld a, [hld]
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ld [de], a
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inc de
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ld [wCurHPAnimMaxHP], a
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ld [wEnemyMonHP + 1], a
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ld a, [hl]
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ld [de], a
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ld [wCurHPAnimMaxHP + 1], a
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ld [wEnemyMonHP], a
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jr EnemyPotionFinish
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EnemyUsedPotion:
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ld a, POTION
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ld b, 20
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jr EnemyPotionContinue
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EnemyUsedSuperPotion:
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ld a, SUPER_POTION
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ld b, 50
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jr EnemyPotionContinue
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EnemyUsedHyperPotion:
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ld a, HYPER_POTION
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ld b, 200
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EnemyPotionContinue:
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ld [wCurEnemyItem], a
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ld hl, wEnemyMonHP + 1
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ld a, [hl]
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ld [wCurHPAnimOldHP], a
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add b
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ld [hld], a
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ld [wCurHPAnimNewHP], a
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ld a, [hl]
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ld [wCurHPAnimOldHP + 1], a
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ld [wCurHPAnimNewHP + 1], a
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jr nc, .ok
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inc a
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ld [hl], a
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ld [wCurHPAnimNewHP + 1], a
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.ok
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inc hl
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ld a, [hld]
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ld b, a
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ld de, wEnemyMonMaxHP + 1
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ld a, [de]
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dec de
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ld [wCurHPAnimMaxHP], a
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sub b
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ld a, [hli]
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ld b, a
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ld a, [de]
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ld [wCurHPAnimMaxHP + 1], a
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sbc b
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jr nc, EnemyPotionFinish
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inc de
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ld a, [de]
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dec de
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ld [hld], a
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ld [wCurHPAnimNewHP], a
|
|
ld a, [de]
|
|
ld [hl], a
|
|
ld [wCurHPAnimNewHP + 1], a
|
|
|
|
EnemyPotionFinish:
|
|
call PrintText_UsedItemOn
|
|
hlcoord 2, 2
|
|
xor a
|
|
ld [wWhichHPBar], a
|
|
call AIUsedItemSound
|
|
predef AnimateHPBar
|
|
jp AIUpdateHUD
|
|
|
|
AI_TrySwitch:
|
|
; Determine whether the AI can switch based on how many Pokemon are still alive.
|
|
; If it can switch, it will.
|
|
ld a, [wOTPartyCount]
|
|
ld c, a
|
|
ld hl, wOTPartyMon1HP
|
|
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
|
|
|
|
AI_Switch:
|
|
ld a, $1
|
|
ld [wEnemyIsSwitching], a
|
|
ld [wEnemyGoesFirst], a
|
|
ld hl, wEnemySubStatus4
|
|
res SUBSTATUS_RAGE, [hl]
|
|
xor a
|
|
ldh [hBattleTurn], a
|
|
callfar PursuitSwitch
|
|
|
|
push af
|
|
ld a, [wCurOTMon]
|
|
ld hl, wOTPartyMon1Status
|
|
ld bc, PARTYMON_STRUCT_LENGTH
|
|
call AddNTimes
|
|
ld d, h
|
|
ld e, l
|
|
ld hl, wEnemyMonStatus
|
|
ld bc, MON_MAXHP - MON_STATUS
|
|
call CopyBytes
|
|
pop af
|
|
|
|
jr c, .skiptext
|
|
ld hl, EnemyWithdrewText
|
|
call PrintText
|
|
|
|
.skiptext
|
|
ld a, 1
|
|
ld [wBattleHasJustStarted], a
|
|
callfar NewEnemyMonStatus
|
|
callfar ResetEnemyStatLevels
|
|
ld hl, wPlayerSubStatus1
|
|
res SUBSTATUS_IN_LOVE, [hl]
|
|
farcall EnemySwitch
|
|
farcall ResetBattleParticipants
|
|
xor a
|
|
ld [wBattleHasJustStarted], a
|
|
ld a, [wLinkMode]
|
|
and a
|
|
ret nz
|
|
scf
|
|
ret
|
|
|
|
EnemyWithdrewText:
|
|
text_far _EnemyWithdrewText
|
|
text_end
|
|
|
|
EnemyUsedFullHealRed: ; unreferenced
|
|
call AIUsedItemSound
|
|
call AI_HealStatus
|
|
ld a, FULL_HEAL_RED ; X_SPEED
|
|
jp PrintText_UsedItemOn_AND_AIUpdateHUD
|
|
|
|
AI_HealStatus:
|
|
ld a, [wCurOTMon]
|
|
ld hl, wOTPartyMon1Status
|
|
ld bc, PARTYMON_STRUCT_LENGTH
|
|
call AddNTimes
|
|
xor a
|
|
ld [hl], a
|
|
ld [wEnemyMonStatus], a
|
|
; Bug: this should reset SUBSTATUS_NIGHTMARE
|
|
; Uncomment the 2 lines below to fix
|
|
; ld hl, wEnemySubStatus1
|
|
; res SUBSTATUS_NIGHTMARE, [hl]
|
|
; Bug: this should reset SUBSTATUS_CONFUSED
|
|
; Uncomment the 2 lines below to fix
|
|
; ld hl, wEnemySubStatus3
|
|
; res SUBSTATUS_CONFUSED, [hl]
|
|
ld hl, wEnemySubStatus5
|
|
res SUBSTATUS_TOXIC, [hl]
|
|
ret
|
|
|
|
EnemyUsedXAccuracy:
|
|
call AIUsedItemSound
|
|
ld hl, wEnemySubStatus4
|
|
set SUBSTATUS_X_ACCURACY, [hl]
|
|
ld a, X_ACCURACY
|
|
jp PrintText_UsedItemOn_AND_AIUpdateHUD
|
|
|
|
EnemyUsedGuardSpec:
|
|
call AIUsedItemSound
|
|
ld hl, wEnemySubStatus4
|
|
set SUBSTATUS_MIST, [hl]
|
|
ld a, GUARD_SPEC
|
|
jp PrintText_UsedItemOn_AND_AIUpdateHUD
|
|
|
|
EnemyUsedDireHit:
|
|
call AIUsedItemSound
|
|
ld hl, wEnemySubStatus4
|
|
set SUBSTATUS_FOCUS_ENERGY, [hl]
|
|
ld a, DIRE_HIT
|
|
jp PrintText_UsedItemOn_AND_AIUpdateHUD
|
|
|
|
AICheckEnemyFractionMaxHP: ; unreferenced
|
|
; Input: a = divisor
|
|
; Work: bc = [wEnemyMonMaxHP] / a
|
|
; Work: de = [wEnemyMonHP]
|
|
; Output:
|
|
; - c, nz if [wEnemyMonHP] > [wEnemyMonMaxHP] / a
|
|
; - nc, z if [wEnemyMonHP] = [wEnemyMonMaxHP] / a
|
|
; - nc, nz if [wEnemyMonHP] < [wEnemyMonMaxHP] / a
|
|
ldh [hDivisor], a
|
|
ld hl, wEnemyMonMaxHP
|
|
ld a, [hli]
|
|
ldh [hDividend], a
|
|
ld a, [hl]
|
|
ldh [hDividend + 1], a
|
|
ld b, 2
|
|
call Divide
|
|
ldh a, [hQuotient + 3]
|
|
ld c, a
|
|
ldh a, [hQuotient + 2]
|
|
ld b, a
|
|
ld hl, wEnemyMonHP + 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
|
|
|
|
EnemyUsedXAttack:
|
|
ld b, ATTACK
|
|
ld a, X_ATTACK
|
|
jr EnemyUsedXItem
|
|
|
|
EnemyUsedXDefend:
|
|
ld b, DEFENSE
|
|
ld a, X_DEFEND
|
|
jr EnemyUsedXItem
|
|
|
|
EnemyUsedXSpeed:
|
|
ld b, SPEED
|
|
ld a, X_SPEED
|
|
jr EnemyUsedXItem
|
|
|
|
EnemyUsedXSpecial:
|
|
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 [wCurEnemyItem], a
|
|
push bc
|
|
call PrintText_UsedItemOn
|
|
pop bc
|
|
farcall RaiseStat
|
|
jp AIUpdateHUD
|
|
|
|
; Parameter
|
|
; a = ITEM_CONSTANT
|
|
PrintText_UsedItemOn_AND_AIUpdateHUD:
|
|
ld [wCurEnemyItem], a
|
|
call PrintText_UsedItemOn
|
|
jp AIUpdateHUD
|
|
|
|
PrintText_UsedItemOn:
|
|
ld a, [wCurEnemyItem]
|
|
ld [wNamedObjectIndexBuffer], a
|
|
call GetItemName
|
|
ld hl, wStringBuffer1
|
|
ld de, wMonOrItemNameBuffer
|
|
ld bc, ITEM_NAME_LENGTH
|
|
call CopyBytes
|
|
ld hl, EnemyUsedOnText
|
|
jp PrintText
|
|
|
|
EnemyUsedOnText:
|
|
text_far _EnemyUsedOnText
|
|
text_end
|