pokecrystal/engine/overworld/events_2.asm

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2013-11-23 07:33:53 +00:00
; More overworld event handling.
WarpToSpawnPoint:: ; 97c28
ld hl, wStatusFlags2
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res STATUSFLAGS2_SAFARI_GAME_F, [hl]
res STATUSFLAGS2_BUG_CONTEST_TIMER_F, [hl]
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ret
; 97c30
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RunMemScript:: ; 97c30
; If there is no script here, we don't need to be here.
ld a, [wMapReentryScriptQueueFlag]
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and a
ret z
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; Execute the script at (wMapReentryScriptBank):(wMapReentryScriptAddress).
ld hl, wMapReentryScriptAddress
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ld a, [hli]
ld h, [hl]
ld l, a
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ld a, [wMapReentryScriptBank]
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call CallScript
scf
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; Clear the buffer for the next script.
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push af
xor a
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ld hl, wMapReentryScriptQueueFlag
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ld bc, 8
call ByteFill
pop af
ret
; 97c4f
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LoadScriptBDE:: ; 97c4f
; If there's already a script here, don't overwrite.
ld hl, wMapReentryScriptQueueFlag
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ld a, [hl]
and a
ret nz
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; Set the flag
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ld [hl], 1
inc hl
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; Load the script pointer b:de into (wMapReentryScriptBank):(wMapReentryScriptAddress)
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ld [hl], b
inc hl
ld [hl], e
inc hl
ld [hl], d
scf
ret
; 97c5f
TryTileCollisionEvent:: ; 97c5f
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call GetFacingTileCoord
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ld [wEngineBuffer1], a
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ld c, a
farcall CheckFacingTileForStdScript
jr c, .done
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call CheckCutTreeTile
jr nz, .whirlpool
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farcall TryCutOW
jr .done
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.whirlpool
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ld a, [wEngineBuffer1]
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call CheckWhirlpoolTile
jr nz, .waterfall
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farcall TryWhirlpoolOW
jr .done
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.waterfall
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ld a, [wEngineBuffer1]
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call CheckWaterfallTile
jr nz, .headbutt
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farcall TryWaterfallOW
jr .done
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.headbutt
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ld a, [wEngineBuffer1]
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call CheckHeadbuttTreeTile
jr nz, .surf
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farcall TryHeadbuttOW
jr c, .done
jr .noevent
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.surf
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farcall TrySurfOW
jr nc, .noevent
jr .done
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.noevent
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xor a
ret
.done
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call PlayClickSFX
ld a, $ff
scf
ret
; 97cc0
RandomEncounter:: ; 97cc0
; Random encounter
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call CheckWildEncounterCooldown
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jr c, .nope
call CanUseSweetScent
jr nc, .nope
ld hl, wStatusFlags2
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bit STATUSFLAGS2_BUG_CONTEST_TIMER_F, [hl]
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jr nz, .bug_contest
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farcall TryWildEncounter
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jr nz, .nope
jr .ok
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.bug_contest
call _TryWildEncounter_BugContest
jr nc, .nope
jr .ok_bug_contest
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.nope
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ld a, 1
and a
ret
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.ok
ld a, BANK(WildBattleScript)
ld hl, WildBattleScript
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jr .done
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.ok_bug_contest
ld a, BANK(BugCatchingContestBattleScript)
ld hl, BugCatchingContestBattleScript
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jr .done
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.done
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call CallScript
scf
ret
; 97cf9
WildBattleScript: ; 97cf9
randomwildmon
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startbattle
reloadmapafterbattle
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end
; 97cfd
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CanUseSweetScent:: ; 97cfd
ld hl, wStatusFlags
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bit STATUSFLAGS_NO_WILD_ENCOUNTERS_F, [hl]
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jr nz, .no
ld a, [wEnvironment]
cp CAVE
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jr z, .ice_check
cp DUNGEON
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jr z, .ice_check
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farcall CheckGrassCollision
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jr nc, .no
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.ice_check
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ld a, [wPlayerStandingTile]
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call CheckIceTile
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jr z, .no
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scf
ret
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.no
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and a
ret
; 97d23
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_TryWildEncounter_BugContest: ; 97d23
call TryWildEncounter_BugContest
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ret nc
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call ChooseWildEncounter_BugContest
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farcall CheckRepelEffect
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ret
; 97d31
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ChooseWildEncounter_BugContest:: ; 97d31
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; Pick a random mon out of ContestMons.
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.loop
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call Random
cp 100 << 1
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jr nc, .loop
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srl a
ld hl, ContestMons
ld de, 4
.CheckMon:
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sub [hl]
jr c, .GotMon
add hl, de
jr .CheckMon
.GotMon:
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inc hl
; Species
ld a, [hli]
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ld [wTempWildMonSpecies], a
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; Min level
ld a, [hli]
ld d, a
; Max level
ld a, [hl]
sub d
jr nz, .RandomLevel
; If min and max are the same.
ld a, d
jr .GotLevel
.RandomLevel:
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; Get a random level between the min and max.
ld c, a
inc c
call Random
ld a, [hRandomAdd]
call SimpleDivide
add d
.GotLevel:
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ld [wCurPartyLevel], a
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xor a
ret
; 97d64
TryWildEncounter_BugContest: ; 97d64
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ld a, [wPlayerStandingTile]
call CheckSuperTallGrassTile
ld b, 40 percent
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jr z, .ok
ld b, 20 percent
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.ok
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farcall ApplyMusicEffectOnEncounterRate
farcall ApplyCleanseTagEffectOnEncounterRate
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call Random
ld a, [hRandomAdd]
cp b
ret c
ld a, 1
and a
ret
; 97d87
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INCLUDE "data/wild/bug_contest_mons.asm"
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DoBikeStep:: ; 97db3
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nop
nop
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; If the bike shop owner doesn't have our number, or
; if we've already gotten the call, we don't have to
; be here.
ld hl, wStatusFlags2
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bit STATUSFLAGS2_BIKE_SHOP_CALL_F, [hl]
jr z, .NoCall
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; If we're not on the bike, we don't have to be here.
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ld a, [wPlayerState]
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cp PLAYER_BIKE
jr nz, .NoCall
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; If we're not in an area of phone service, we don't
; have to be here.
call GetMapPhoneService
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and a
jr nz, .NoCall
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; Check the bike step count and check whether we've
; taken 65536 of them yet.
ld hl, wBikeStep
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ld a, [hli]
ld d, a
ld e, [hl]
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cp 255
jr nz, .increment
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ld a, e
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cp 255
jr z, .dont_increment
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.increment
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inc de
ld [hl], e
dec hl
ld [hl], d
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.dont_increment
; If we've taken at least 1024 steps, have the bike
; shop owner try to call us.
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ld a, d
cp HIGH(1024)
jr c, .NoCall
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; If a call has already been queued, don't overwrite
; that call.
ld a, [wSpecialPhoneCallID]
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and a
jr nz, .NoCall
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; Queue the call.
ld a, SPECIALCALL_BIKESHOP
ld [wSpecialPhoneCallID], a
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xor a
ld [wSpecialPhoneCallID + 1], a
ld hl, wStatusFlags2
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res STATUSFLAGS2_BIKE_SHOP_CALL_F, [hl]
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scf
ret
.NoCall:
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xor a
ret
; 97df9
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ClearCmdQueue:: ; 97df9
ld hl, wCmdQueue
ld de, 6
ld c, 4
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xor a
.loop
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ld [hl], a
add hl, de
dec c
jr nz, .loop
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ret
; 97e08
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HandleCmdQueue:: ; 97e08
ld hl, wCmdQueue
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xor a
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.loop
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ld [hMapObjectIndexBuffer], a
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ld a, [hl]
and a
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jr z, .skip
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push hl
ld b, h
ld c, l
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call HandleQueuedCommand
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pop hl
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.skip
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ld de, CMDQUEUE_ENTRY_SIZE
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add hl, de
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ld a, [hMapObjectIndexBuffer]
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inc a
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cp CMDQUEUE_CAPACITY
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jr nz, .loop
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ret
; 97e25
Unreferenced_GetNthCmdQueueEntry: ; 97e25
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ld hl, wCmdQueue
ld bc, CMDQUEUE_ENTRY_SIZE
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call AddNTimes
ld b, h
ld c, l
ret
; 97e31
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WriteCmdQueue:: ; 97e31
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push bc
push de
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call .GetNextEmptyEntry
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ld d, h
ld e, l
pop hl
pop bc
ret c
ld a, b
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ld bc, CMDQUEUE_ENTRY_SIZE - 1
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call FarCopyBytes
xor a
ld [hl], a
ret
; 97e45
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.GetNextEmptyEntry: ; 97e45
ld hl, wCmdQueue
ld de, CMDQUEUE_ENTRY_SIZE
ld c, CMDQUEUE_CAPACITY
.loop
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ld a, [hl]
and a
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jr z, .done
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add hl, de
dec c
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jr nz, .loop
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scf
ret
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.done
ld a, CMDQUEUE_CAPACITY
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sub c
and a
ret
; 97e5c
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DelCmdQueue:: ; 97e5c
ld hl, wCmdQueue
ld de, CMDQUEUE_ENTRY_SIZE
ld c, CMDQUEUE_CAPACITY
.loop
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ld a, [hl]
cp b
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jr z, .done
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add hl, de
dec c
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jr nz, .loop
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and a
ret
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.done
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xor a
ld [hl], a
scf
ret
; 97e72
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_DelCmdQueue: ; 97e72
ld hl, CMDQUEUE_TYPE
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add hl, bc
ld [hl], 0
ret
; 97e79
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HandleQueuedCommand: ; 97e79
ld hl, CMDQUEUE_TYPE
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add hl, bc
ld a, [hl]
cp 5
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jr c, .okay
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xor a
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.okay
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ld e, a
ld d, 0
ld hl, .Jumptable
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add hl, de
add hl, de
add hl, de
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ld a, [hli]
push af
ld a, [hli]
ld h, [hl]
ld l, a
pop af
rst FarCall
ret
; 97e94
.Jumptable: ; 97e94
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dba CmdQueue_Null
dba CmdQueue_Null2
dba CmdQueue_StoneTable
dba CmdQueue_Type3
dba CmdQueue_Type4
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; 97ea3
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CmdQueueAnonymousJumptable: ; 97ea3
ld hl, CMDQUEUE_05
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add hl, bc
ld a, [hl]
pop hl
rst JumpTable
ret
; 97eab
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CmdQueueAnonJT_Increment: ; 97eab
ld hl, CMDQUEUE_05
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add hl, bc
inc [hl]
ret
; 97eb1
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CmdQueueAnonJT_Decrement: ; 97eb1
ld hl, CMDQUEUE_05
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add hl, bc
dec [hl]
ret
; 97eb7
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CmdQueue_Null: ; 97eb7
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ret
; 97eb8
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CmdQueue_Null2: ; 97eb8
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call ret_2f3e
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ret
; 97ebc
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CmdQueue_Type4: ; 97ebc
call CmdQueueAnonymousJumptable
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; anonymous dw
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dw .zero
dw .one
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; 97ec3
.zero ; 97ec3
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ld a, [hSCY]
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ld hl, 4
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add hl, bc
ld [hl], a
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call CmdQueueAnonJT_Increment
.one ; 97ecd
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ld hl, 1
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add hl, bc
ld a, [hl]
dec a
ld [hl], a
jr z, .finish
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and $1
jr z, .add
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ld hl, 2
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add hl, bc
ld a, [hSCY]
sub [hl]
ld [hSCY], a
ret
.add
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ld hl, 2
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add hl, bc
ld a, [hSCY]
add [hl]
ld [hSCY], a
ret
.finish
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ld hl, 4
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add hl, bc
ld a, [hl]
ld [hSCY], a
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call _DelCmdQueue
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ret
; 97ef9
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CmdQueue_Type3: ; 97ef9
call CmdQueueAnonymousJumptable
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; anonymous dw
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dw .zero
dw .one
dw .two
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; 97f02
.zero ; 97f02
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call .IsPlayerFacingDown
jr z, .PlayerNotFacingDown
call CmdQueueAnonJT_Increment
.one ; 97f0a
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call .IsPlayerFacingDown
jr z, .PlayerNotFacingDown
call CmdQueueAnonJT_Increment
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ld hl, 2
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add hl, bc
ld a, [hl]
ld [wd173], a
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ret
; 97f1b
.two ; 97f1b
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call .IsPlayerFacingDown
jr z, .PlayerNotFacingDown
call CmdQueueAnonJT_Decrement
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ld hl, 3
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add hl, bc
ld a, [hl]
ld [wd173], a
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ret
; 97f2c
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.PlayerNotFacingDown: ; 97f2c
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ld a, $7f
ld [wd173], a
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ld hl, 5
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add hl, bc
ld [hl], 0
ret
; 97f38
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.IsPlayerFacingDown: ; 97f38
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push bc
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ld bc, wPlayerStruct
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call GetSpriteDirection
and a
pop bc
ret
; 97f42
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CmdQueue_StoneTable: ; 97f42
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ld de, wPlayerStruct
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ld a, NUM_OBJECT_STRUCTS
.loop
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push af
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ld hl, OBJECT_SPRITE
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add hl, de
ld a, [hl]
and a
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jr z, .next
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ld hl, OBJECT_MOVEMENTTYPE
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add hl, de
ld a, [hl]
cp SPRITEMOVEDATA_STRENGTH_BOULDER
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jr nz, .next
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ld hl, OBJECT_NEXT_TILE
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add hl, de
ld a, [hl]
call CheckPitTile
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jr nz, .next
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ld hl, OBJECT_DIRECTION_WALKING
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add hl, de
ld a, [hl]
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cp STANDING
jr nz, .next
call HandleStoneQueue
jr c, .fall_down_hole
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.next
ld hl, OBJECT_STRUCT_LENGTH
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add hl, de
ld d, h
ld e, l
pop af
dec a
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jr nz, .loop
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ret
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.fall_down_hole
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pop af
ret
; 97f7e