pokecrystal-board/engine/battle/start_battle.asm

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ShowLinkBattleParticipants: ; 2ee18
; If we're not in a communications room,
; we don't need to be here.
ld a, [wLinkMode]
and a
ret z
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farcall _ShowLinkBattleParticipants
ld c, 150
call DelayFrames
call ClearTileMap
call ClearSprites
ret
FindFirstAliveMonAndStartBattle: ; 2ee2f
xor a
ld [hMapAnims], a
call DelayFrame
ld b, 6
ld hl, PartyMon1HP
ld de, PARTYMON_STRUCT_LENGTH - 1
.loop
ld a, [hli]
or [hl]
jr nz, .okay
add hl, de
dec b
jr nz, .loop
.okay
ld de, MON_LEVEL - MON_HP
add hl, de
ld a, [hl]
ld [BattleMonLevel], a
predef Predef_StartBattle
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farcall _LoadBattleFontsHPBar
ld a, 1
ld [hBGMapMode], a
call ClearSprites
call ClearTileMap
xor a
ld [hBGMapMode], a
ld [hWY], a
ld [rWY], a
ld [hMapAnims], a
ret
PlayBattleMusic: ; 2ee6c
push hl
push de
push bc
xor a
ld [MusicFade], a
ld de, MUSIC_NONE
call PlayMusic
call DelayFrame
call MaxVolume
ld a, [BattleType]
cp BATTLETYPE_SUICUNE
ld de, MUSIC_SUICUNE_BATTLE
jp z, .done
cp BATTLETYPE_ROAMING
jp z, .done
; Are we fighting a trainer?
ld a, [OtherTrainerClass]
and a
jr nz, .trainermusic
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farcall RegionCheck
ld a, e
and a
jr nz, .kantowild
ld de, MUSIC_JOHTO_WILD_BATTLE
ld a, [TimeOfDay]
cp NITE_F
jr nz, .done
ld de, MUSIC_JOHTO_WILD_BATTLE_NIGHT
jr .done
.kantowild
ld de, MUSIC_KANTO_WILD_BATTLE
jr .done
.trainermusic
ld de, MUSIC_CHAMPION_BATTLE
cp CHAMPION
jr z, .done
cp RED
jr z, .done
; really, they should have included admins and scientists here too...
ld de, MUSIC_ROCKET_BATTLE
cp GRUNTM
jr z, .done
cp GRUNTF
jr z, .done
ld de, MUSIC_KANTO_GYM_LEADER_BATTLE
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farcall IsKantoGymLeader
jr c, .done
ld de, MUSIC_JOHTO_GYM_LEADER_BATTLE
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farcall IsJohtoGymLeader
jr c, .done
ld de, MUSIC_RIVAL_BATTLE
ld a, [OtherTrainerClass]
cp RIVAL1
jr z, .done
cp RIVAL2
jr nz, .othertrainer
ld a, [OtherTrainerID]
cp RIVAL2_2_CHIKORITA ; Rival in Indigo Plateau
jr c, .done
ld de, MUSIC_CHAMPION_BATTLE
jr .done
.othertrainer
ld a, [wLinkMode]
and a
jr nz, .johtotrainer
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farcall RegionCheck
ld a, e
and a
jr nz, .kantotrainer
.johtotrainer
ld de, MUSIC_JOHTO_TRAINER_BATTLE
jr .done
.kantotrainer
ld de, MUSIC_KANTO_TRAINER_BATTLE
.done
call PlayMusic
pop bc
pop de
pop hl
ret
ClearBattleRAM: ; 2ef18
xor a
ld [wPlayerAction], a
ld [wBattleResult], a
ld hl, wPartyMenuCursor
ld [hli], a
ld [hli], a
ld [hli], a
ld [hl], a
ld [wMenuScrollPosition], a
ld [CriticalHit], a
ld [BattleMonSpecies], a
ld [wBattleParticipantsNotFainted], a
ld [CurBattleMon], a
ld [wForcedSwitch], a
ld [TimeOfDayPal], a
ld [PlayerTurnsTaken], a
ld [EnemyTurnsTaken], a
ld [EvolvableFlags], a
ld hl, PlayerHPPal
ld [hli], a
ld [hl], a
ld hl, BattleMonDVs
ld [hli], a
ld [hl], a
ld hl, EnemyMonDVs
ld [hli], a
ld [hl], a
; Clear the entire BattleMons area
ld hl, wBattle
ld bc, wBattleEnd - wBattle
xor a
call ByteFill
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callfar ResetEnemyStatLevels
call ClearWindowData
ld hl, hBGMapAddress
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xor a ; LOW(vBGMap0)
ld [hli], a
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ld [hl], HIGH(vBGMap0)
ret