pokecrystal/engine/events.asm

1109 lines
15 KiB
NASM

INCLUDE "includes.asm"
SECTION "Events", ROMX
OverworldLoop:: ; 966b0
xor a
ld [MapStatus], a
.loop
ld a, [MapStatus]
ld hl, .jumps
rst JumpTable
ld a, [MapStatus]
cp 3 ; done
jr nz, .loop
.done
ret
.jumps
dw StartMap
dw EnterMap
dw HandleMap
dw .done
; 966cb
DisableEvents: ; 966cb
xor a
ld [ScriptFlags3], a
ret
; 966d0
EnableEvents:: ; 966d0
ld a, $ff
ld [ScriptFlags3], a
ret
; 966d6
CheckBit5_ScriptFlags3: ; 966d6
ld hl, ScriptFlags3
bit 5, [hl]
ret
; 966dc
DisableWarpsConnxns: ; 966dc
ld hl, ScriptFlags3
res 2, [hl]
ret
; 966e2
DisableCoordEvents: ; 966e2
ld hl, ScriptFlags3
res 1, [hl]
ret
; 966e8
DisableStepCount: ; 966e8
ld hl, ScriptFlags3
res 0, [hl]
ret
; 966ee
DisableWildEncounters: ; 966ee
ld hl, ScriptFlags3
res 4, [hl]
ret
; 966f4
EnableWarpsConnxns: ; 966f4
ld hl, ScriptFlags3
set 2, [hl]
ret
; 966fa
EnableCoordEvents: ; 966fa
ld hl, ScriptFlags3
set 1, [hl]
ret
; 96700
EnableStepCount: ; 96700
ld hl, ScriptFlags3
set 0, [hl]
ret
; 96706
EnableWildEncounters: ; 96706
ld hl, ScriptFlags3
set 4, [hl]
ret
; 9670c
CheckWarpConnxnScriptFlag: ; 9670c
ld hl, ScriptFlags3
bit 2, [hl]
ret
; 96712
CheckCoordEventScriptFlag: ; 96712
ld hl, ScriptFlags3
bit 1, [hl]
ret
; 96718
CheckStepCountScriptFlag: ; 96718
ld hl, ScriptFlags3
bit 0, [hl]
ret
; 9671e
CheckWildEncountersScriptFlag: ; 9671e
ld hl, ScriptFlags3
bit 4, [hl]
ret
; 96724
StartMap: ; 96724
xor a
ld [ScriptVar], a
xor a
ld [ScriptRunning], a
ld hl, MapStatus
ld bc, wMapStatusEnd - MapStatus
call ByteFill
farcall InitCallReceiveDelay
call ClearJoypad
EnterMap: ; 9673e
xor a
ld [wXYComparePointer], a
ld [wXYComparePointer + 1], a
call SetUpFiveStepWildEncounterCooldown
farcall RunMapSetupScript
call DisableEvents
ld a, [hMapEntryMethod]
cp MAPSETUP_CONNECTION
jr nz, .dont_enable
call EnableEvents
.dont_enable
ld a, [hMapEntryMethod]
cp MAPSETUP_RELOADMAP
jr nz, .dontresetpoison
xor a
ld [PoisonStepCount], a
.dontresetpoison
xor a ; end map entry
ld [hMapEntryMethod], a
ld a, 2 ; HandleMap
ld [MapStatus], a
ret
; 9676d
UnusedWait30Frames: ; 9676d
ld c, 30
call DelayFrames
ret
; 96773
HandleMap: ; 96773
call ResetOverworldDelay
call HandleMapTimeAndJoypad
farcall HandleCmdQueue ; no need to farcall
call MapEvents
; Not immediately entering a connected map will cause problems.
ld a, [MapStatus]
cp 2 ; HandleMap
ret nz
call HandleMapObjects
call NextOverworldFrame
call HandleMapBackground
call CheckPlayerState
ret
; 96795
MapEvents: ; 96795
ld a, [MapEventStatus]
ld hl, .jumps
rst JumpTable
ret
.jumps
dw .events
dw .no_events
; 967a1
.events ; 967a1
call PlayerEvents
call DisableEvents
farcall ScriptEvents
ret
; 967ae
.no_events ; 967ae
ret
; 967af
MaxOverworldDelay: ; 967af
db 2
; 967b0
ResetOverworldDelay: ; 967b0
ld a, [MaxOverworldDelay]
ld [OverworldDelay], a
ret
; 967b7
NextOverworldFrame: ; 967b7
ld a, [OverworldDelay]
and a
ret z
ld c, a
call DelayFrames
ret
; 967c1
HandleMapTimeAndJoypad: ; 967c1
ld a, [MapEventStatus]
cp 1 ; no events
ret z
call UpdateTime
call GetJoypad
call TimeOfDayPals
ret
; 967d1
HandleMapObjects: ; 967d1
farcall HandleNPCStep ; engine/map_objects.asm
farcall _HandlePlayerStep
call _CheckObjectEnteringVisibleRange
ret
; 967e1
HandleMapBackground: ; 967e1
farcall _UpdateSprites
farcall ScrollScreen
farcall PlaceMapNameSign
ret
; 967f4
CheckPlayerState: ; 967f4
ld a, [wPlayerStepFlags]
bit 5, a ; in the middle of step
jr z, .events
bit 6, a ; stopping step
jr z, .noevents
bit 4, a ; in midair
jr nz, .noevents
call EnableEvents
.events
ld a, 0 ; events
ld [MapEventStatus], a
ret
.noevents
ld a, 1 ; no events
ld [MapEventStatus], a
ret
; 96812
_CheckObjectEnteringVisibleRange: ; 96812
ld hl, wPlayerStepFlags
bit 6, [hl]
ret z
farcall CheckObjectEnteringVisibleRange
ret
; 9681f
PlayerEvents: ; 9681f
xor a
; If there's already a player event, don't interrupt it.
ld a, [ScriptRunning]
and a
ret nz
call Dummy_CheckScriptFlags3Bit5 ; This is a waste of time
call CheckTrainerBattle3
jr c, .ok
call CheckTileEvent
jr c, .ok
call RunMemScript
jr c, .ok
call RunSceneScript
jr c, .ok
call CheckTimeEvents
jr c, .ok
call OWPlayerInput
jr c, .ok
xor a
ret
.ok
push af
farcall EnableScriptMode
pop af
ld [ScriptRunning], a
call DoPlayerEvent
ld a, [ScriptRunning]
cp PLAYEREVENT_CONNECTION
jr z, .ok2
cp PLAYEREVENT_JOYCHANGEFACING
jr z, .ok2
xor a
ld [wLandmarkSignTimer], a
.ok2
scf
ret
; 96867
CheckTrainerBattle3: ; 96867
nop
nop
call CheckTrainerBattle2
jr nc, .nope
ld a, PLAYEREVENT_SEENBYTRAINER
scf
ret
.nope
xor a
ret
; 96874
CheckTileEvent: ; 96874
; Check for warps, coord events, or wild battles.
call CheckWarpConnxnScriptFlag
jr z, .connections_disabled
farcall CheckMovingOffEdgeOfMap
jr c, .map_connection
call CheckWarpTile
jr c, .warp_tile
.connections_disabled
call CheckCoordEventScriptFlag
jr z, .coord_events_disabled
call CheckCurrentMapCoordEvents
jr c, .coord_event
.coord_events_disabled
call CheckStepCountScriptFlag
jr z, .step_count_disabled
call CountStep
ret c
.step_count_disabled
call CheckWildEncountersScriptFlag
jr z, .ok
call RandomEncounter
ret c
jr .ok ; pointless
.ok
xor a
ret
.map_connection
ld a, PLAYEREVENT_CONNECTION
scf
ret
.warp_tile
ld a, [PlayerStandingTile]
call CheckPitTile
jr nz, .not_pit
ld a, PLAYEREVENT_FALL
scf
ret
.not_pit
ld a, PLAYEREVENT_WARP
scf
ret
.coord_event
ld hl, wCurCoordEventScriptAddr
ld a, [hli]
ld h, [hl]
ld l, a
call GetMapScriptHeaderBank
call CallScript
ret
; 968c7
CheckWildEncounterCooldown:: ; 968c7
ld hl, wWildEncounterCooldown
ld a, [hl]
and a
ret z
dec [hl]
ret z
scf
ret
; 968d1
SetUpFiveStepWildEncounterCooldown: ; 968d1
ld a, 5
ld [wWildEncounterCooldown], a
ret
; 968d7
ret_968d7: ; 968d7
ret
;968d8
SetMinTwoStepWildEncounterCooldown: ; 968d8
ld a, [wWildEncounterCooldown]
cp 2
ret nc
ld a, 2
ld [wWildEncounterCooldown], a
ret
; 968e4
Dummy_CheckScriptFlags3Bit5: ; 968e4
call CheckBit5_ScriptFlags3
ret z
call ret_2f3e
ret
; 968ec
RunSceneScript: ; 968ec
ld a, [wCurrMapSceneScriptCount]
and a
jr z, .nope
ld c, a
call CheckScenes
cp c
jr nc, .nope
ld e, a
ld d, 0
ld hl, wCurrMapSceneScriptHeaderPointer
ld a, [hli]
ld h, [hl]
ld l, a
rept 4
add hl, de
endr
call GetMapScriptHeaderBank
call GetFarHalfword
call GetMapScriptHeaderBank
call CallScript
ld hl, ScriptFlags
res 3, [hl]
farcall EnableScriptMode
farcall ScriptEvents
ld hl, ScriptFlags
bit 3, [hl]
jr z, .nope
ld hl, wPriorityScriptAddr
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [wPriorityScriptBank]
call CallScript
scf
ret
.nope
xor a
ret
; 9693a
CheckTimeEvents: ; 9693a
ld a, [wLinkMode]
and a
jr nz, .nothing
ld hl, StatusFlags2
bit 2, [hl] ; bug contest
jr z, .do_daily
farcall CheckBugContestTimer
jr c, .end_bug_contest
xor a
ret
.do_daily
farcall CheckDailyResetTimer
farcall CheckPokerusTick
farcall CheckPhoneCall
ret c
.nothing
xor a
ret
.end_bug_contest
ld a, BANK(BugCatchingContestOverScript)
ld hl, BugCatchingContestOverScript
call CallScript
scf
ret
; 96970
.unused ; 96970
ld a, 8
scf
ret
; 96974
OWPlayerInput: ; 96974
call PlayerMovement
ret c
and a
jr nz, .NoAction
; Can't perform button actions while sliding on ice.
farcall CheckStandingOnIce
jr c, .NoAction
call CheckAPressOW
jr c, .Action
call CheckMenuOW
jr c, .Action
.NoAction:
xor a
ret
.Action:
push af
farcall StopPlayerForEvent
pop af
scf
ret
; 96999
CheckAPressOW: ; 96999
ld a, [hJoyPressed]
and A_BUTTON
ret z
call TryObjectEvent
ret c
call TryBGEvent
ret c
call TryTileCollisionEvent
ret c
xor a
ret
; 969ac
PlayTalkObject: ; 969ac
push de
ld de, SFX_READ_TEXT_2
call PlaySFX
pop de
ret
; 969b5
TryObjectEvent: ; 969b5
farcall CheckFacingObject
jr c, .IsObject
xor a
ret
.IsObject:
call PlayTalkObject
ld a, [hObjectStructIndexBuffer]
call GetObjectStruct
ld hl, OBJECT_MAP_OBJECT_INDEX
add hl, bc
ld a, [hl]
ld [hLastTalked], a
ld a, [hLastTalked]
call GetMapObject
ld hl, MAPOBJECT_COLOR
add hl, bc
ld a, [hl]
and %00001111
; Bug: If IsInArray returns nc, data at bc will be executed as code.
push bc
ld de, 3
ld hl, .pointers
call IsInArray
jr nc, .nope_bugged
pop bc
inc hl
ld a, [hli]
ld h, [hl]
ld l, a
jp hl
.nope_bugged
; pop bc
xor a
ret
.pointers
dbw OBJECTTYPE_SCRIPT, .script
dbw OBJECTTYPE_ITEMBALL, .itemball
dbw OBJECTTYPE_TRAINER, .trainer
; the remaining four are dummy events
dbw OBJECTTYPE_3, .three
dbw OBJECTTYPE_4, .four
dbw OBJECTTYPE_5, .five
dbw OBJECTTYPE_6, .six
db -1
; 96a04
.script ; 96a04
ld hl, MAPOBJECT_SCRIPT_POINTER
add hl, bc
ld a, [hli]
ld h, [hl]
ld l, a
call GetMapScriptHeaderBank
call CallScript
ret
; 96a12
.itemball ; 96a12
ld hl, MAPOBJECT_SCRIPT_POINTER
add hl, bc
ld a, [hli]
ld h, [hl]
ld l, a
call GetMapScriptHeaderBank
ld de, EngineBuffer1
ld bc, 2
call FarCopyBytes
ld a, PLAYEREVENT_ITEMBALL
scf
ret
; 96a29
.trainer ; 96a29
call TalkToTrainer
ld a, PLAYEREVENT_TALKTOTRAINER
scf
ret
; 96a30
.three ; 96a30
xor a
ret
; 96a32
.four ; 96a32
xor a
ret
; 96a34
.five ; 96a34
xor a
ret
; 96a36
.six ; 96a36
xor a
ret
; 96a38
TryBGEvent: ; 96a38
call CheckFacingBGEvent
jr c, .is_bg_event
xor a
ret
.is_bg_event:
ld a, [EngineBuffer3]
ld hl, .bg_events
rst JumpTable
ret
.bg_events
dw .read
dw .up
dw .down
dw .right
dw .left
dw .ifset
dw .ifnotset
dw .itemifset
dw .copy
; 96a59
.up
ld b, OW_UP
jr .checkdir
.down
ld b, OW_DOWN
jr .checkdir
.right
ld b, OW_RIGHT
jr .checkdir
.left
ld b, OW_LEFT
jr .checkdir
.checkdir
ld a, [PlayerDirection]
and %1100
cp b
jp nz, .dontread
.read
call PlayTalkObject
ld hl, EngineBuffer4
ld a, [hli]
ld h, [hl]
ld l, a
call GetMapScriptHeaderBank
call CallScript
scf
ret
.itemifset
call CheckBGEventFlag
jp nz, .dontread
call PlayTalkObject
call GetMapScriptHeaderBank
ld de, EngineBuffer1
ld bc, 3
call FarCopyBytes
ld a, BANK(HiddenItemScript)
ld hl, HiddenItemScript
call CallScript
scf
ret
.copy
call CheckBGEventFlag
jr nz, .dontread
call GetMapScriptHeaderBank
ld de, EngineBuffer1
ld bc, 3
call FarCopyBytes
jr .dontread
.ifset
call CheckBGEventFlag
jr z, .dontread
jr .thenread
.ifnotset
call CheckBGEventFlag
jr nz, .dontread
.thenread
push hl
call PlayTalkObject
pop hl
inc hl
inc hl
call GetMapScriptHeaderBank
call GetFarHalfword
call GetMapScriptHeaderBank
call CallScript
scf
ret
.dontread
xor a
ret
; 96ad8
CheckBGEventFlag: ; 96ad8
ld hl, EngineBuffer4
ld a, [hli]
ld h, [hl]
ld l, a
push hl
call GetMapScriptHeaderBank
call GetFarHalfword
ld e, l
ld d, h
ld b, CHECK_FLAG
call EventFlagAction
ld a, c
and a
pop hl
ret
; 96af0
PlayerMovement: ; 96af0
farcall DoPlayerMovement
ld a, c
ld hl, .pointers
rst JumpTable
ld a, c
ret
; 96afd
.pointers
dw .zero
dw .one
dw .two
dw .three
dw .four
dw .five
dw .six
dw .seven
.zero
.four ; 96b0d
xor a
ld c, a
ret
; 96b10
.seven ; 96b10
call ret_968d7 ; mobile
xor a
ld c, a
ret
; 96b16
.one ; 96b16
ld a, 5
ld c, a
scf
ret
; 96b1b
.two ; 96b1b
ld a, 9
ld c, a
scf
ret
; 96b20
.three ; 96b20
; force the player to move in some direction
ld a, BANK(Script_ForcedMovement)
ld hl, Script_ForcedMovement
call CallScript
; ld a, -1
ld c, a
scf
ret
; 96b2b
.five
.six ; 96b2b
ld a, -1
ld c, a
and a
ret
; 96b30
CheckMenuOW: ; 96b30
xor a
ld [hMenuReturn], a
ld [hMenuReturn + 1], a
ld a, [hJoyPressed]
bit 2, a ; SELECT
jr nz, .Select
bit 3, a ; START
jr z, .NoMenu
ld a, BANK(StartMenuScript)
ld hl, StartMenuScript
call CallScript
scf
ret
.NoMenu:
xor a
ret
.Select:
call PlayTalkObject
ld a, BANK(SelectMenuScript)
ld hl, SelectMenuScript
call CallScript
scf
ret
; 96b58
StartMenuScript: ; 96b58
callasm StartMenu
jump StartMenuCallback
; 96b5f
SelectMenuScript: ; 96b5f
callasm SelectMenu
jump SelectMenuCallback
; 96b66
StartMenuCallback:
SelectMenuCallback: ; 96b66
copybytetovar hMenuReturn
if_equal HMENURETURN_SCRIPT, .Script
if_equal HMENURETURN_ASM, .Asm
end
; 96b72
.Script: ; 96b72
ptjump wQueuedScriptBank
; 96b75
.Asm: ; 96b75
ptcallasm wQueuedScriptBank
end
; 96b79
CountStep: ; 96b79
; Don't count steps in link communication rooms.
ld a, [wLinkMode]
and a
jr nz, .done
; If there is a special phone call, don't count the step.
farcall CheckSpecialPhoneCall
jr c, .doscript
; If Repel wore off, don't count the step.
call DoRepelStep
jr c, .doscript
; Count the step for poison and total steps
ld hl, PoisonStepCount
inc [hl]
ld hl, StepCount
inc [hl]
; Every 256 steps, increase the happiness of all your Pokemon.
jr nz, .skip_happiness
farcall StepHappiness
.skip_happiness
; Every 256 steps, offset from the happiness incrementor by 128 steps,
; decrease the hatch counter of all your eggs until you reach the first
; one that is ready to hatch.
ld a, [StepCount]
cp $80
jr nz, .skip_egg
farcall DoEggStep
jr nz, .hatch
.skip_egg
; Increase the EXP of (both) DayCare Pokemon by 1.
farcall DayCareStep
; Every four steps, deal damage to all Poisoned Pokemon
ld hl, PoisonStepCount
ld a, [hl]
cp 4
jr c, .skip_poison
ld [hl], 0
farcall DoPoisonStep
jr c, .doscript
.skip_poison
farcall DoBikeStep
.done
xor a
ret
.doscript
ld a, -1
scf
ret
.hatch
ld a, 8
scf
ret
; 96bd3
.unreferenced ; 96bd3
ld a, 7
scf
ret
; 96bd7
DoRepelStep: ; 96bd7
ld a, [wRepelEffect]
and a
ret z
dec a
ld [wRepelEffect], a
ret nz
ld a, BANK(RepelWoreOffScript)
ld hl, RepelWoreOffScript
call CallScript
scf
ret
; 96beb
DoPlayerEvent: ; 96beb
ld a, [ScriptRunning]
and a
ret z
cp PLAYEREVENT_MAPSCRIPT ; run script
ret z
cp NUM_PLAYER_EVENTS
ret nc
ld c, a
ld b, 0
ld hl, PlayerEventScriptPointers
add hl, bc
add hl, bc
add hl, bc
ld a, [hli]
ld [ScriptBank], a
ld a, [hli]
ld [ScriptPos], a
ld a, [hl]
ld [ScriptPos + 1], a
ret
; 96c0c
PlayerEventScriptPointers: ; 96c0c
dba Invalid_0x96c2d ; 0
dba SeenByTrainerScript ; 1
dba TalkToTrainerScript ; 2
dba FindItemInBallScript ; 3
dba EdgeWarpScript ; 4
dba WarpToNewMapScript ; 5
dba FallIntoMapScript ; 6
dba Script_OverworldWhiteout ; 7
dba HatchEggScript ; 8
dba ChangeDirectionScript ; 9
dba Invalid_0x96c2d ; 10
; 96c2d
Invalid_0x96c2d: ; 96c2d
end
; 96c2e
; unreferenced
end
; 96c2f
HatchEggScript: ; 96c2f
callasm OverworldHatchEgg
end
; 96c34
WarpToNewMapScript: ; 96c34
warpsound
newloadmap MAPSETUP_DOOR
end
; 96c38
FallIntoMapScript: ; 96c38
newloadmap MAPSETUP_FALL
playsound SFX_KINESIS
applymovement PLAYER, MovementData_0x96c48
playsound SFX_STRENGTH
scall LandAfterPitfallScript
end
; 96c48
MovementData_0x96c48: ; 96c48
skyfall
step_end
; 96c4a
LandAfterPitfallScript: ; 96c4a
earthquake 16
end
; 96c4d
EdgeWarpScript: ; 4
reloadandreturn MAPSETUP_CONNECTION
; 96c4f
ChangeDirectionScript: ; 9
deactivatefacing 3
callasm EnableWildEncounters
end
; 96c56
INCLUDE "engine/scripting.asm"
INCLUDE "engine/events_2.asm"