pokecrystal-board/engine/events_2.asm
2015-11-02 14:37:02 -05:00

664 lines
8.6 KiB
NASM

; More overworld event handling.
WarpToSpawnPoint:: ; 97c28
ld hl, StatusFlags2
res 1, [hl]
res 2, [hl]
ret
; 97c30
RunMemScript:: ; 97c30
; If there is no script here, we don't need to be here.
ld a, [wMapReentryScriptQueueFlag]
and a
ret z
; Execute the script at (wMapReentryScriptBank):(wMapReentryScriptAddress).
ld hl, wMapReentryScriptAddress
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [wMapReentryScriptBank]
call CallScript
scf
; Clear the buffer for the next script.
push af
xor a
ld hl, wMapReentryScriptQueueFlag
ld bc, 8
call ByteFill
pop af
ret
; 97c4f
LoadScriptBDE:: ; 97c4f
; If there's already a script here, don't overwrite.
ld hl, wMapReentryScriptQueueFlag
ld a, [hl]
and a
ret nz
; Set the flag
ld [hl], 1
inc hl
; Load the script pointer b:de into (wMapReentryScriptBank):(wMapReentryScriptAddress)
ld [hl], b
inc hl
ld [hl], e
inc hl
ld [hl], d
scf
ret
; 97c5f
CheckFacingTileEvent:: ; 97c5f
call GetFacingTileCoord
ld [EngineBuffer1], a
ld c, a
callba CheckFacingTileForStd
jr c, .done
call CheckCutTreeTile
jr nz, .whirlpool
callba TryCutOW
jr .done
.whirlpool
ld a, [EngineBuffer1]
call CheckWhirlpoolTile
jr nz, .waterfall
callba TryWhirlpoolOW
jr .done
.waterfall
ld a, [EngineBuffer1]
call CheckWaterfallTile
jr nz, .headbutt
callba TryWaterfallOW
jr .done
.headbutt
ld a, [EngineBuffer1]
call CheckHeadbuttTreeTile
jr nz, .surf
callba TryHeadbuttOW
jr c, .done
jr .noevent
.surf
callba TrySurfOW
jr nc, .noevent
jr .done
.noevent
xor a
ret
.done
call PlayClickSFX
ld a, $ff
scf
ret
; 97cc0
RandomEncounter:: ; 97cc0
; Random encounter
call CheckWildEncounterCooldown
jr c, .nope
call CanUseSweetScent
jr nc, .nope
ld hl, StatusFlags2
bit 2, [hl] ; bug contest
jr nz, .bug_contest
callba TryWildEncounter
jr nz, .nope
jr .ok
.bug_contest
call _TryWildEncounter_BugContest
jr nc, .nope
jr .ok_bug_contest
.nope
ld a, 1
and a
ret
.ok
ld a, BANK(WildBattleScript)
ld hl, WildBattleScript
jr .done
.ok_bug_contest
ld a, BANK(BugCatchingContestBattleScript)
ld hl, BugCatchingContestBattleScript
jr .done
.done
call CallScript
scf
ret
; 97cf9
WildBattleScript: ; 97cf9
battlecheck
startbattle
returnafterbattle
end
; 97cfd
CanUseSweetScent:: ; 97cfd
ld hl, StatusFlags
bit 5, [hl]
jr nz, .no
ld a, [wPermission]
cp CAVE
jr z, .ice_check
cp DUNGEON
jr z, .ice_check
callba CheckGrassCollision
jr nc, .no
.ice_check
ld a, [PlayerStandingTile]
call CheckIceTile
jr z, .no
scf
ret
.no
and a
ret
; 97d23
_TryWildEncounter_BugContest: ; 97d23
call TryWildEncounter_BugContest
ret nc
call ChooseWildEncounter_BugContest
callba CheckRepelEffect
ret
; 97d31
ChooseWildEncounter_BugContest:: ; 97d31
; Pick a random mon out of ContestMons.
.loop
call Random
cp 100 << 1
jr nc, .loop
srl a
ld hl, ContestMons
ld de, 4
.CheckMon
sub [hl]
jr c, .GotMon
add hl, de
jr .CheckMon
.GotMon
inc hl
; Species
ld a, [hli]
ld [TempWildMonSpecies], a
; 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
; Get a random level between the min and max.
ld c, a
inc c
call Random
ld a, [hRandomAdd]
call SimpleDivide
add d
.GotLevel
ld [CurPartyLevel], a
xor a
ret
; 97d64
TryWildEncounter_BugContest: ; 97d64
ld a, [PlayerStandingTile]
call CheckSuperTallGrassTile
ld b, 40 percent
jr z, .ok
ld b, 20 percent
.ok
callba ApplyMusicEffectOnEncounterRate
callba ApplyCleanseTagEffectOnEncounterRate
call Random
ld a, [hRandomAdd]
cp b
ret c
ld a, 1
and a
ret
; 97d87
ContestMons: ; 97d87
; %, species, min, max
db 20, CATERPIE, 7, 18
db 20, WEEDLE, 7, 18
db 10, METAPOD, 9, 18
db 10, KAKUNA, 9, 18
db 5, BUTTERFREE, 12, 15
db 5, BEEDRILL, 12, 15
db 10, VENONAT, 10, 16
db 10, PARAS, 10, 17
db 5, SCYTHER, 13, 14
db 5, PINSIR, 13, 14
db -1, VENOMOTH, 30, 40
; 97db3
DoBikeStep:: ; 97db3
nop
nop
; 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, StatusFlags2
bit 4, [hl]
jr z, .NoCall
; If we're not on the bike, we don't have to be here.
ld a, [PlayerState]
cp PLAYER_BIKE
jr nz, .NoCall
; If we're not in an area of phone service, we don't
; have to be here.
call GetMapHeaderPhoneServiceNybble
and a
jr nz, .NoCall
; Check the bike step count and check whether we've
; taken 65536 of them yet.
ld hl, wBikeStep
ld a, [hli]
ld d, a
ld e, [hl]
cp 255
jr nz, .increment
ld a, e
cp 255
jr z, .dont_increment
.increment
inc de
ld [hl], e
dec hl
ld [hl], d
.dont_increment
; If we've taken at least 1024 steps, have the bike
; shop owner try to call us.
ld a, d
cp 1024 >> 8
jr c, .NoCall
; If a call has already been queued, don't overwrite
; that call.
ld a, [wSpecialPhoneCallID]
and a
jr nz, .NoCall
; Queue the call.
ld a, SPECIALCALL_BIKESHOP
ld [wSpecialPhoneCallID], a
xor a
ld [wSpecialPhoneCallID + 1], a
ld hl, StatusFlags2
res 4, [hl]
scf
ret
.NoCall
xor a
ret
; 97df9
Function97df9:: ; 97df9
ld hl, wd6de
ld de, 6
ld c, 4
xor a
.loop
ld [hl], a
add hl, de
dec c
jr nz, .loop
ret
; 97e08
Function97e08:: ; 97e08
ld hl, wd6de
xor a
.loop
ld [hMapObjectIndexBuffer], a
ld a, [hl]
and a
jr z, .skip
push hl
ld b, h
ld c, l
call Function97e79
pop hl
.skip
ld de, $0006
add hl, de
ld a, [hMapObjectIndexBuffer]
inc a
cp $4
jr nz, .loop
ret
; 97e25
Function97e25: ; 97e25
ld hl, wd6de
ld bc, 6
call AddNTimes
ld b, h
ld c, l
ret
; 97e31
Function97e31:: ; 97e31
push bc
push de
call Function97e45
ld d, h
ld e, l
pop hl
pop bc
ret c
ld a, b
ld bc, $0005
call FarCopyBytes
xor a
ld [hl], a
ret
; 97e45
Function97e45: ; 97e45
ld hl, wd6de
ld de, $0006
ld c, $4
.asm_97e4d
ld a, [hl]
and a
jr z, .asm_97e57
add hl, de
dec c
jr nz, .asm_97e4d
scf
ret
.asm_97e57
ld a, $4
sub c
and a
ret
; 97e5c
Function97e5c:: ; 97e5c
ld hl, wd6de
ld de, $0006
ld c, $4
.asm_97e64
ld a, [hl]
cp b
jr z, .asm_97e6e
add hl, de
dec c
jr nz, .asm_97e64
and a
ret
.asm_97e6e
xor a
ld [hl], a
scf
ret
; 97e72
Function97e72: ; 97e72
ld hl, 0
add hl, bc
ld [hl], 0
ret
; 97e79
Function97e79: ; 97e79
ld hl, 0
add hl, bc
ld a, [hl]
cp 5
jr c, .asm_97e83
xor a
.asm_97e83
ld e, a
ld d, 0
ld hl, Table97e94
rept 3
add hl, de
endr
ld a, [hli]
push af
ld a, [hli]
ld h, [hl]
ld l, a
pop af
rst FarCall
ret
; 97e94
Table97e94: ; 97e94
dba Function97eb7
dba Function97eb8
dba Function97f42
dba Function97ef9
dba Function97ebc
; 97ea3
Function97ea3: ; 97ea3
ld hl, $0005
add hl, bc
ld a, [hl]
pop hl
rst JumpTable
ret
; 97eab
Function97eab: ; 97eab
ld hl, $0005
add hl, bc
inc [hl]
ret
; 97eb1
Function97eb1: ; 97eb1
ld hl, $0005
add hl, bc
dec [hl]
ret
; 97eb7
Function97eb7: ; 97eb7
ret
; 97eb8
Function97eb8: ; 97eb8
call ret_2f3e
ret
; 97ebc
Function97ebc: ; 97ebc
call Function97ea3
dw Function97ec3
dw Function97ecd
; 97ec3
Function97ec3: ; 97ec3
ld a, [hSCY]
ld hl, $0004
add hl, bc
ld [hl], a
call Function97eab
; 97ecd
Function97ecd: ; 97ecd
ld hl, $0001
add hl, bc
ld a, [hl]
dec a
ld [hl], a
jr z, .asm_97eee
and $1
jr z, .asm_97ee4
ld hl, $0002
add hl, bc
ld a, [hSCY]
sub [hl]
ld [hSCY], a
ret
.asm_97ee4
ld hl, $0002
add hl, bc
ld a, [hSCY]
add [hl]
ld [hSCY], a
ret
.asm_97eee
ld hl, $0004
add hl, bc
ld a, [hl]
ld [hSCY], a
call Function97e72
ret
; 97ef9
Function97ef9: ; 97ef9
call Function97ea3
dw Function97f02
dw Function97f0a
dw Function97f1b
; 97f02
Function97f02: ; 97f02
call Function97f38
jr z, Function97f2c
call Function97eab
; 97f0a
Function97f0a: ; 97f0a
call Function97f38
jr z, Function97f2c
call Function97eab
ld hl, $0002
add hl, bc
ld a, [hl]
ld [wd173], a
ret
; 97f1b
Function97f1b: ; 97f1b
call Function97f38
jr z, Function97f2c
call Function97eb1
ld hl, $0003
add hl, bc
ld a, [hl]
ld [wd173], a
ret
; 97f2c
Function97f2c: ; 97f2c
ld a, $7f
ld [wd173], a
ld hl, $0005
add hl, bc
ld [hl], 0
ret
; 97f38
Function97f38: ; 97f38
push bc
ld bc, PlayerStruct
call GetSpriteDirection
and a
pop bc
ret
; 97f42
Function97f42: ; 97f42
ld de, PlayerStruct
ld a, $d
.asm_97f47
push af
ld hl, 0
add hl, de
ld a, [hl]
and a
jr z, .asm_97f71
ld hl, $0003
add hl, de
ld a, [hl]
cp $19
jr nz, .asm_97f71
ld hl, $000e
add hl, de
ld a, [hl]
call CheckPitTile
jr nz, .asm_97f71
ld hl, $0007
add hl, de
ld a, [hl]
cp $ff
jr nz, .asm_97f71
call Function3567
jr c, .asm_97f7c
.asm_97f71
ld hl, $0028
add hl, de
ld d, h
ld e, l
pop af
dec a
jr nz, .asm_97f47
ret
.asm_97f7c
pop af
ret
; 97f7e