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-rw-r--r--engine/events.asm1112
-rw-r--r--engine/events_2.asm647
-rw-r--r--engine/scripting.asm92
-rw-r--r--engine/scripting_crystal.asm5
4 files changed, 1855 insertions, 1 deletions
diff --git a/engine/events.asm b/engine/events.asm
new file mode 100644
index 000000000..d1b651f91
--- /dev/null
+++ b/engine/events.asm
@@ -0,0 +1,1112 @@
+INCLUDE "includes.asm"
+
+SECTION "events", ROMX, BANK[$25]
+
+Function966b0: ; 966b0
+ xor a
+ ld [$d432], a
+.asm_966b4
+ ld a, [$d432]
+ ld hl, .pointers
+ rst JumpTable
+ ld a, [$d432]
+ cp 3 ; done
+ jr nz, .asm_966b4
+.done
+ ret
+
+.pointers
+ dw Function96724
+ dw Function9673e
+ dw Function96773
+ dw .done
+; 966cb
+
+
+Function966cb: ; 966cb
+ xor a
+ ld [ScriptFlags3], a
+ ret
+; 966d0
+
+Function966d0: ; 966d0
+ ld a, $ff
+ ld [ScriptFlags3], a
+ ret
+; 966d6
+
+Function966d6: ; 966d6
+ ld hl, ScriptFlags3
+ bit 5, [hl]
+ ret
+; 966dc
+
+Function966dc: ; 966dc
+ ld hl, ScriptFlags3
+ res 2, [hl]
+ ret
+; 966e2
+
+Function966e2: ; 966e2
+ ld hl, ScriptFlags3
+ res 1, [hl]
+ ret
+; 966e8
+
+Function966e8: ; 966e8
+ ld hl, ScriptFlags3
+ res 0, [hl]
+ ret
+; 966ee
+
+Function966ee: ; 966ee
+ ld hl, ScriptFlags3
+ res 4, [hl]
+ ret
+; 966f4
+
+Function966f4: ; 966f4
+ ld hl, ScriptFlags3
+ set 2, [hl]
+ ret
+; 966fa
+
+Function966fa: ; 966fa
+ ld hl, ScriptFlags3
+ set 1, [hl]
+ ret
+; 96700
+
+Function96700: ; 96700
+ ld hl, ScriptFlags3
+ set 0, [hl]
+ ret
+; 96706
+
+Function96706: ; 96706
+ ld hl, ScriptFlags3
+ set 4, [hl]
+ ret
+; 9670c
+
+Function9670c: ; 9670c
+ ld hl, ScriptFlags3
+ bit 2, [hl]
+ ret
+; 96712
+
+Function96712: ; 96712
+ ld hl, ScriptFlags3
+ bit 1, [hl]
+ ret
+; 96718
+
+Function96718: ; 96718
+ ld hl, ScriptFlags3
+ bit 0, [hl]
+ ret
+; 9671e
+
+Function9671e: ; 9671e
+ ld hl, ScriptFlags3
+ bit 4, [hl]
+ ret
+; 96724
+
+
+Function96724: ; 96724
+ xor a
+ ld [ScriptVar], a
+ xor a
+ ld [ScriptRunning], a
+ ld hl, $d432
+ ld bc, $3e
+ call ByteFill
+ callba Function113e5
+ call ClearJoypadPublic
+ ; fallthrough
+; 9673e
+
+
+Function9673e: ; 9673e
+ xor a
+ ld [$d453], a
+ ld [$d454], a
+ call Function968d1
+ callba Function15363
+ call Function966cb
+ ld a, [$ff9f]
+ cp $f7
+ jr nz, .asm_9675a
+ call Function966d0
+.asm_9675a
+ ld a, [$ff9f]
+ cp $f3
+ jr nz, .asm_96764
+ xor a
+ ld [PoisonStepCount], a
+.asm_96764
+ xor a
+ ld [$ff9f], a
+ ld a, $2
+ ld [$d432], a
+ ret
+; 9676d
+
+
+Function9676d: ; 9676d
+ ld c, 30
+ call DelayFrames
+ ret
+; 96773
+
+
+Function96773: ; 96773
+ call ResetOverworldDelay
+ call Function967c1
+ callba Function97e08
+ call DoEvents
+ ld a, [$d432]
+ cp 2
+ ret nz
+ call Function967d1
+ call NextOverworldFrame
+ call Function967e1
+ call Function967f4
+ ret
+; 96795
+
+
+DoEvents: ; 96795
+ ld a, [$d433]
+ ld hl, .pointers
+ rst JumpTable
+ ret
+
+.pointers
+ dw Function967a1
+ dw Function967ae
+; 967a1
+
+Function967a1: ; 967a1
+ call PlayerEvents
+ call Function966cb
+ callba ScriptEvents
+ ret
+; 967ae
+
+Function967ae: ; 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
+
+
+Function967c1: ; 967c1
+ ld a, [$d433]
+ cp 1
+ ret z
+ call UpdateTime
+ call GetJoypadPublic
+ call TimeOfDayPals
+ ret
+; 967d1
+
+Function967d1: ; 967d1
+ callba Function576a
+ callba Functiond497
+ call Function96812
+ ret
+; 967e1
+
+Function967e1: ; 967e1
+ callba Function5920
+ callba Functiond4d2
+ callba Functionb8098
+ ret
+; 967f4
+
+Function967f4: ; 967f4
+ ld a, [$d150]
+ bit 5, a
+ jr z, .asm_96806
+ bit 6, a
+ jr z, .asm_9680c
+ bit 4, a
+ jr nz, .asm_9680c
+ call Function966d0
+
+.asm_96806
+ ld a, $0
+ ld [$d433], a
+ ret
+
+.asm_9680c
+ ld a, $1
+ ld [$d433], a
+ ret
+; 96812
+
+Function96812: ; 96812
+ ld hl, $d150
+ bit 6, [hl]
+ ret z
+ callba Function81ca
+
+ ret
+; 9681f
+
+
+PlayerEvents: ; 9681f
+
+ xor a
+
+ ld a, [ScriptRunning]
+ and a
+ ret nz
+
+ call Function968e4
+
+ call CheckTrainerBattle3
+ jr c, .asm_96848
+
+ call CheckTileEvent
+ jr c, .asm_96848
+
+ call Function97c30
+ jr c, .asm_96848
+
+ call Function968ec
+ jr c, .asm_96848
+
+ call Function9693a
+ jr c, .asm_96848
+
+ call OWPlayerInput
+ jr c, .asm_96848
+
+ xor a
+ ret
+
+
+.asm_96848
+ push af
+ callba Function96c56
+ pop af
+
+ ld [ScriptRunning], a
+ call Function96beb
+ ld a, [ScriptRunning]
+ cp 4
+ jr z, .asm_96865
+ cp 9
+ jr z, .asm_96865
+
+ xor a
+ ld [$c2da], a
+
+.asm_96865
+ scf
+ ret
+; 96867
+
+
+CheckTrainerBattle3: ; 96867
+ nop
+ nop
+ call CheckTrainerBattle2
+ jr nc, .asm_96872
+ ld a, 1
+ scf
+ ret
+
+.asm_96872
+ xor a
+ ret
+; 96874
+
+
+CheckTileEvent: ; 96874
+; Check for warps, tile triggers or wild battles.
+
+ call Function9670c
+ jr z, .asm_96886
+
+ callba Function104820
+ jr c, .asm_968a6
+
+ call Function2238
+ jr c, .asm_968aa
+
+.asm_96886
+ call Function96712
+ jr z, .asm_96890
+
+ call Function2ad4
+ jr c, .asm_968ba
+
+.asm_96890
+ call Function96718
+ jr z, .asm_96899
+
+ call CountStep
+ ret c
+
+.asm_96899
+ call Function9671e
+ jr z, .asm_968a4
+
+ call Function97cc0
+ ret c
+ jr .asm_968a4
+
+.asm_968a4
+ xor a
+ ret
+
+.asm_968a6
+ ld a, 4
+ scf
+ ret
+
+.asm_968aa
+ ld a, [StandingTile]
+ call CheckPitTile
+ jr nz, .asm_968b6
+ ld a, 6
+ scf
+ ret
+
+.asm_968b6
+ ld a, 5
+ scf
+ ret
+
+.asm_968ba
+ ld hl, MovementAnimation
+ ld a, [hli]
+ ld h, [hl]
+ ld l, a
+ call GetMapScriptHeaderBank
+ call CallScript
+ ret
+; 968c7
+
+
+Function968c7: ; 968c7
+ ld hl, $d452
+ ld a, [hl]
+ and a
+ ret z
+ dec [hl]
+ ret z
+ scf
+ ret
+; 968d1
+
+Function968d1: ; 968d1
+ ld a, 5
+ ld [$d452], a
+ ret
+; 968d7
+
+Function968d7: ; 968d7
+ ret
+; 968d8
+
+Function968d8: ; 968d8
+ ld a, [$d452]
+ cp 2
+ ret nc
+ ld a, 2
+ ld [$d452], a
+ ret
+; 968e4
+
+Function968e4: ; 968e4
+ call Function966d6
+ ret z
+ call Function2f3e
+ ret
+; 968ec
+
+Function968ec: ; 968ec
+ ld a, [$dc07]
+ and a
+ jr z, .asm_96938
+
+ ld c, a
+ call Function211b
+ cp c
+ jr nc, .asm_96938
+
+ ld e, a
+ ld d, 0
+ ld hl, $dc08
+ ld a, [hli]
+ ld h, [hl]
+ ld l, a
+ add hl, de
+ add hl, de
+ add hl, de
+ add hl, de
+
+ call GetMapScriptHeaderBank
+ call GetFarHalfword
+ call GetMapScriptHeaderBank
+ call CallScript
+
+ ld hl, ScriptFlags
+ res 3, [hl]
+
+ callba Function96c56
+ callba ScriptEvents
+
+ ld hl, ScriptFlags
+ bit 3, [hl]
+ jr z, .asm_96938
+
+ ld hl, $d44f
+ ld a, [hli]
+ ld h, [hl]
+ ld l, a
+ ld a, [$d44e]
+ call CallScript
+ scf
+ ret
+
+.asm_96938
+ xor a
+ ret
+; 9693a
+
+Function9693a: ; 9693a
+ ld a, [InLinkBattle]
+ and a
+ jr nz, .asm_96964
+ ld hl, StatusFlags2
+ bit 2, [hl]
+ jr z, .asm_96951
+ callba Function114a4
+ jr c, .asm_96966
+ xor a
+ ret
+
+.asm_96951
+ callba Function11452
+ callba Function114e7
+ callba Function90074
+ ret c
+
+.asm_96964
+ xor a
+ ret
+
+.asm_96966
+ ld a, $4
+ ld hl, $75f8
+ call CallScript
+ scf
+ ret
+; 96970
+
+Function96970: ; 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.
+ callba Function80404
+ jr c, .NoAction
+
+ call CheckAPressOW
+ jr c, .Action
+
+ call CheckMenuOW
+ jr c, .Action
+
+.NoAction
+ xor a
+ ret
+
+.Action
+ push af
+ callba Function80422
+ pop af
+ scf
+ ret
+; 96999
+
+
+CheckAPressOW: ; 96999
+ ld a, [hJoyPressed]
+ and A_BUTTON
+ ret z
+ call TryObjectEvent
+ ret c
+ call TryReadSign
+ ret c
+ call Function97c5f
+ ret c
+ xor a
+ ret
+; 969ac
+
+
+PlayTalkObject: ; 969ac
+ push de
+ ld de, SFX_READ_TEXT_2
+ call PlaySFX
+ pop de
+ ret
+; 969b5
+
+
+TryObjectEvent: ; 969b5
+ callba CheckFacingObject
+ jr c, .IsObject
+ xor a
+ ret
+
+.IsObject
+ call PlayTalkObject
+ ld a, [hConnectedMapWidth]
+ call Function1ae5
+ ld hl, $0001
+ add hl, bc
+ ld a, [hl]
+ ld [$ffe0], a
+
+ ld a, [$ffe0]
+ call GetMapObject
+ ld hl, $0008
+ add hl, bc
+ ld a, [hl]
+ and $f
+
+; Bug: If IsInArray returns nc, data at bc will be executed as code.
+ push bc
+ ld de, 3
+ ld hl, .data_969ee
+ call IsInArray
+ jr nc, .asm_969ec
+ pop bc
+
+ inc hl
+ ld a, [hli]
+ ld h, [hl]
+ ld l, a
+ jp [hl]
+
+.asm_969ec
+ xor a
+ ret
+
+.data_969ee
+ dbw 0, .zero
+ dbw 1, .one
+ dbw 2, .two
+ dbw 3, .three
+ dbw 4, .four
+ dbw 5, .five
+ dbw 6, .six
+ db $ff
+; 96a04
+
+.zero ; 96a04
+ ld hl, $000a
+ add hl, bc
+ ld a, [hli]
+ ld h, [hl]
+ ld l, a
+ call GetMapScriptHeaderBank
+ call CallScript
+; ld a, -1
+ ret
+; 96a12
+
+.one ; 96a12
+ ld hl, $000a
+ add hl, bc
+ ld a, [hli]
+ ld h, [hl]
+ ld l, a
+ call GetMapScriptHeaderBank
+ ld de, EngineBuffer1
+ ld bc, 2
+ call FarCopyBytes
+ ld a, 3
+ scf
+ ret
+; 96a29
+
+.two ; 96a29
+ call Function3674
+ ld a, 2
+ 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
+
+
+TryReadSign: ; 96a38
+ call CheckFacingSign
+ jr c, .IsSign
+ xor a
+ ret
+
+.IsSign
+ ld a, [MartPointer]
+ ld hl, .signs
+ rst JumpTable
+ ret
+
+.signs
+ dw .read
+ dw .up
+ dw .down
+ dw .right
+ dw .left
+ dw .ifset
+ dw .ifnotset
+ dw .itemifset
+ dw .asm_96aa2
+; 96a59
+
+.up
+ ld b, UP << 2
+ jr .checkdir
+.down
+ ld b, DOWN << 2
+ jr .checkdir
+.right
+ ld b, RIGHT << 2
+ jr .checkdir
+.left
+ ld b, LEFT << 2
+ jr .checkdir
+
+.checkdir
+ ld a, [PlayerDirection]
+ and %1100
+ cp b
+ jp nz, .dontread
+
+.read
+ call PlayTalkObject
+ ld hl, $d041
+ ld a, [hli]
+ ld h, [hl]
+ ld l, a
+ call GetMapScriptHeaderBank
+ call CallScript
+ scf
+ ret
+
+.itemifset
+ call CheckSignFlag
+ jp nz, .dontread
+ call PlayTalkObject
+ call GetMapScriptHeaderBank
+ ld de, EngineBuffer1
+ ld bc, 3
+ call FarCopyBytes
+ ld a, $4
+ ld hl, $7625
+ call CallScript
+ scf
+ ret
+
+.asm_96aa2
+ call CheckSignFlag
+ jr nz, .dontread
+ call GetMapScriptHeaderBank
+ ld de, EngineBuffer1
+ ld bc, 3
+ call FarCopyBytes
+ jr .dontread
+
+.ifset
+ call CheckSignFlag
+ jr z, .dontread
+ jr .asm_96ac1
+
+.ifnotset
+ call CheckSignFlag
+ jr nz, .dontread
+
+.asm_96ac1
+ 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
+
+
+CheckSignFlag: ; 96ad8
+ ld hl, $d041
+ ld a, [hli]
+ ld h, [hl]
+ ld l, a
+ push hl
+ call GetMapScriptHeaderBank
+ call GetFarHalfword
+ ld e, l
+ ld d, h
+ ld b, $2
+ call EventFlagAction
+ ld a, c
+ and a
+ pop hl
+ ret
+; 96af0
+
+
+PlayerMovement: ; 96af0
+ callba 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 Function968d7 ; empty
+ 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, $4
+ ld hl, $653d
+ call CallScript
+; ld a, -1
+ ld c, a
+ scf
+ ret
+; 96b2b
+
+.five
+.six ; 96b2b
+ ld a, -1
+ ld c, a
+ and a
+ ret
+; 96b30
+
+
+CheckMenuOW: ; 96b30
+ xor a
+ ld [$ffa0], a
+ ld [$ffa1], 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
+ 3callasm BANK(StartMenu), StartMenu
+ 2jump StartMenuCallback
+; 96b5f
+
+SelectMenuScript: ; 96b5f
+ 3callasm BANK(SelectMenu), SelectMenu
+ 2jump SelectMenuCallback
+; 96b66
+
+StartMenuCallback:
+SelectMenuCallback: ; 96b66
+ copybytetovar $ffa0
+ if_equal $80, .Script
+ if_equal $ff, .Asm
+ end
+; 96b72
+
+.Script ; 96b72
+ 2ptjump $d0e8
+; 96b75
+
+.Asm ; 96b75
+ 2ptcallasm $d0e8
+ end
+; 96b79
+
+
+CountStep: ; 96b79
+ ld a, [InLinkBattle]
+ and a
+ jr nz, .asm_96bc9
+
+ callba Function90136
+ jr c, .asm_96bcb
+
+ call Function96bd7
+ jr c, .asm_96bcb
+
+ ld hl, PoisonStepCount
+ inc [hl]
+ ld hl, StepCount
+ inc [hl]
+ jr nz, .asm_96b9c
+
+ callba StepHappiness
+
+.asm_96b9c
+ ld a, [StepCount]
+ cp $80
+ jr nz, .asm_96bab
+
+ callba Function16f3e
+ jr nz, .asm_96bcf
+
+.asm_96bab
+ callba DaycareStep
+
+ ld hl, PoisonStepCount
+ ld a, [hl]
+ cp 4
+ jr c, .asm_96bc3
+ ld [hl], 0
+
+ callba Function505da
+ jr c, .asm_96bcb
+
+.asm_96bc3
+ callba Function97db3
+
+.asm_96bc9
+ xor a
+ ret
+
+.asm_96bcb
+ ld a, -1
+ scf
+ ret
+
+.asm_96bcf
+ ld a, 8
+ scf
+ ret
+; 96bd3
+
+
+Function96bd3: ; 96bd3
+ ld a, $7
+ scf
+ ret
+; 96bd7
+
+Function96bd7: ; 96bd7
+ ld a, [$dca1]
+ and a
+ ret z
+ dec a
+ ld [$dca1], a
+ ret nz
+ ld a, $4
+ ld hl, $7619
+ call CallScript
+ scf
+ ret
+; 96beb
+
+Function96beb: ; 96beb
+ ld a, [ScriptRunning]
+ and a
+ ret z
+ cp $ff
+ ret z
+ cp $a
+ ret nc
+
+ ld c, a
+ ld b, 0
+ ld hl, ScriptPointers96c0c
+ 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
+
+ScriptPointers96c0c: ; 96c0c
+ dbw BANK(UnknownScript_0x96c2d), UnknownScript_0x96c2d
+ dbw BANK(UnknownScript_0xbe675), UnknownScript_0xbe675
+ dbw BANK(UnknownScript_0xbe66a), UnknownScript_0xbe66a
+ dbw BANK(UnknownScript_0x122ce), UnknownScript_0x122ce
+ dbw BANK(UnknownScript_0x96c4d), UnknownScript_0x96c4d
+ dbw BANK(UnknownScript_0x96c34), UnknownScript_0x96c34
+ dbw BANK(FallIntoMapScript), FallIntoMapScript
+ dbw BANK(UnknownScript_0x124c8), UnknownScript_0x124c8
+ dbw BANK(UnknownScript_0x96c2f), UnknownScript_0x96c2f
+ dbw BANK(UnknownScript_0x96c4f), UnknownScript_0x96c4f
+ dbw BANK(UnknownScript_0x96c2d), UnknownScript_0x96c2d
+; 96c2d
+
+UnknownScript_0x96c2d: ; 96c2d
+ end
+; 96c2e
+
+UnknownScript_0x96c2e: ; 96c2e
+ end
+; 96c2f
+
+UnknownScript_0x96c2f: ; 96c2f
+ 3callasm $05, $6f5e
+ end
+; 96c34
+
+UnknownScript_0x96c34: ; 96c34
+ warpsound
+ newloadmap $f5
+ end
+; 96c38
+
+FallIntoMapScript: ; 96c38
+ newloadmap $f6
+ playsound SFX_KINESIS
+ applymovement $0, MovementData_0x96c48
+ playsound SFX_STRENGTH
+ 2call UnknownScript_0x96c4a
+ end
+; 96c48
+
+MovementData_0x96c48: ; 96c48
+ skyfall
+ step_end
+; 96c4a
+
+UnknownScript_0x96c4a: ; 96c4a
+ earthquake 16
+ end
+; 96c4d
+
+UnknownScript_0x96c4d: ; 96c4d
+ reloadandreturn $f7
+; 96c4f
+
+UnknownScript_0x96c4f: ; 96c4f
+ deactivatefacing $3
+ 3callasm BANK(Function96706), Function96706
+ end
+; 96c56
+
diff --git a/engine/events_2.asm b/engine/events_2.asm
new file mode 100644
index 000000000..88b924bd7
--- /dev/null
+++ b/engine/events_2.asm
@@ -0,0 +1,647 @@
+INCLUDE "includes.asm"
+
+; More overworld event handling.
+
+SECTION "events2", ROMX, BANK[$25]
+
+Function97c28: ; 97c28
+ ld hl, StatusFlags2
+ res 1, [hl]
+ res 2, [hl]
+ ret
+; 97c30
+
+Function97c30: ; 97c30
+ ld a, [$d45c]
+ and a
+ ret z
+ ld hl, $d45e
+ ld a, [hli]
+ ld h, [hl]
+ ld l, a
+ ld a, [$d45d]
+ call CallScript
+ scf
+ push af
+ xor a
+ ld hl, $d45c
+ ld bc, 8
+ call ByteFill
+ pop af
+ ret
+; 97c4f
+
+Function97c4f: ; 97c4f
+ ld hl, $d45c
+ ld a, [hl]
+ and a
+ ret nz
+ ld [hl], 1
+ inc hl
+ ld [hl], b
+ inc hl
+ ld [hl], e
+ inc hl
+ ld [hl], d
+ scf
+ ret
+; 97c5f
+
+Function97c5f: ; 97c5f
+ call GetFacingTileCoord
+ ld [EngineBuffer1], a
+ ld c, a
+ callba Function1365b
+ jr c, .asm_97cb9
+
+ call CheckCutTreeTile
+ jr nz, .whirlpool
+ callba TryCutOW
+ jr .asm_97cb9
+
+.whirlpool
+ ld a, [EngineBuffer1]
+ call CheckWhirlpoolTile
+ jr nz, .waterfall
+ callba TryWhirlpoolOW
+ jr .asm_97cb9
+
+.waterfall
+ ld a, [EngineBuffer1]
+ call CheckWaterfallTile
+ jr nz, .headbutt
+ callba TryWaterfallOW
+ jr .asm_97cb9
+
+.headbutt
+ ld a, [EngineBuffer1]
+ call CheckHeadbuttTreeTile
+ jr nz, .surf
+ callba TryHeadbuttOW
+ jr c, .asm_97cb9
+ jr .asm_97cb7
+
+.surf
+ callba TrySurfOW
+ jr nc, .asm_97cb7
+ jr .asm_97cb9
+
+.asm_97cb7
+ xor a
+ ret
+
+.asm_97cb9
+ call PlayClickSFX
+ ld a, $ff
+ scf
+ ret
+; 97cc0
+
+
+Function97cc0: ; 97cc0
+; Rock Smash encounter
+
+ call Function968c7
+ jr c, .asm_97ce2
+ call Function97cfd
+ jr nc, .asm_97ce2
+ ld hl, StatusFlags2
+ bit 2, [hl]
+ jr nz, .asm_97cdb
+ callba Function2a0e7
+ jr nz, .asm_97ce2
+ jr .asm_97ce6
+
+.asm_97cdb
+ call Function97d23
+ jr nc, .asm_97ce2
+ jr .asm_97ced
+
+.asm_97ce2
+ ld a, 1
+ and a
+ ret
+
+.asm_97ce6
+ ld a, BANK(RockSmashBattleScript)
+ ld hl, RockSmashBattleScript
+ jr .asm_97cf4
+
+.asm_97ced
+ ld a, BANK(UnknownScript_0x135eb)
+ ld hl, UnknownScript_0x135eb
+ jr .asm_97cf4
+
+.asm_97cf4
+ call CallScript
+ scf
+ ret
+; 97cf9
+
+RockSmashBattleScript: ; 97cf9
+ battlecheck
+ startbattle
+ returnafterbattle
+ end
+; 97cfd
+
+Function97cfd: ; 97cfd
+ ld hl, StatusFlags
+ bit 5, [hl]
+ jr nz, .asm_97d21
+ ld a, [$d19a]
+ cp $4
+ jr z, .asm_97d17
+ cp $7
+ jr z, .asm_97d17
+ callba Function149dd
+ jr nc, .asm_97d21
+
+.asm_97d17
+ ld a, [StandingTile]
+ call CheckIceTile
+ jr z, .asm_97d21
+ scf
+ ret
+
+.asm_97d21
+ and a
+ ret
+; 97d23
+
+Function97d23: ; 97d23
+ call Function97d64
+ ret nc
+ call Function97d31
+ callba Function2a1df
+ ret
+; 97d31
+
+Function97d31: ; 97d31
+; Pick a random mon out of ContestMons.
+
+.asm_97d31
+ call Random
+ cp 100 << 1
+ jr nc, .asm_97d31
+ srl a
+
+ ld hl, ContestMons
+ ld de, 4
+.CheckMon
+ sub [hl]
+ jr c, .GotMon
+ add hl, de
+ jr .CheckMon
+
+.GotMon
+ inc hl
+
+; Species
+ ld a, [hli]
+ ld [$d22e], 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
+
+Function97d64: ; 97d64
+ ld a, [StandingTile]
+ call Function188e
+ ld b, $66
+ jr z, .asm_97d70
+ ld b, $33
+
+.asm_97d70
+ callba Function2a124
+ callba Function2a138
+ 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
+
+Function97db3: ; 97db3
+ nop
+ nop
+ ; fallthrough
+; 97db5
+
+Function97db5: ; 97db5
+ ld hl, StatusFlags2
+ bit 4, [hl]
+ jr z, .asm_97df7
+ ld a, [PlayerState]
+ cp $1
+ jr nz, .asm_97df7
+ call Function2d05
+ and a
+ jr nz, .asm_97df7
+ ld hl, $dca2
+ ld a, [hli]
+ ld d, a
+ ld e, [hl]
+ cp $ff
+ jr nz, .asm_97dd8
+ ld a, e
+ cp $ff
+ jr z, .asm_97ddc
+
+.asm_97dd8
+ inc de
+ ld [hl], e
+ dec hl
+ ld [hl], d
+
+.asm_97ddc
+ ld a, d
+ cp $4
+ jr c, .asm_97df7
+ ld a, [$dc31]
+ and a
+ jr nz, .asm_97df7
+ ld a, $6
+ ld [$dc31], a
+ xor a
+ ld [$dc32], a
+ ld hl, StatusFlags2
+ res 4, [hl]
+ scf
+ ret
+
+.asm_97df7
+ xor a
+ ret
+; 97df9
+
+Function97df9: ; 97df9
+ ld hl, $d6de
+ ld de, $0006
+ ld c, $4
+ xor a
+.asm_97e02
+ ld [hl], a
+ add hl, de
+ dec c
+ jr nz, .asm_97e02
+ ret
+; 97e08
+
+Function97e08: ; 97e08
+ ld hl, $d6de
+ xor a
+.asm_97e0c
+ ld [hConnectionStripLength], a
+ ld a, [hl]
+ and a
+ jr z, .asm_97e19
+ push hl
+ ld b, h
+ ld c, l
+ call Function97e79
+ pop hl
+
+.asm_97e19
+ ld de, $0006
+ add hl, de
+ ld a, [hConnectionStripLength]
+ inc a
+ cp $4
+ jr nz, .asm_97e0c
+ ret
+; 97e25
+
+Function97e25: ; 97e25
+ ld hl, $d6de
+ 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, $d6de
+ 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, $d6de
+ 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, $0000
+ add hl, bc
+ ld [hl], 0
+ ret
+; 97e79
+
+Function97e79: ; 97e79
+ ld hl, $0000
+ 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
+ add hl, de
+ add hl, de
+ add hl, de
+ ld a, [hli]
+ push af
+ ld a, [hli]
+ ld h, [hl]
+ ld l, a
+ pop af
+ rst FarCall
+ ret
+; 97e94
+
+Table97e94: ; 97e94
+ dbw BANK(Function97eb7), Function97eb7
+ dbw BANK(Function97eb8), Function97eb8
+ dbw BANK(Function97f42), Function97f42
+ dbw BANK(Function97ef9), Function97ef9
+ dbw BANK(Function97ebc), 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 Function2f3e
+ 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, $0002
+ add hl, bc
+ ld a, [hl]
+ ld [$d173], a
+ ret
+; 97f1b
+
+Function97f1b: ; 97f1b
+ call Function97f38
+ jr z, Function97f2c
+ call Function97eb1
+
+ ld hl, $0003
+ add hl, bc
+ ld a, [hl]
+ ld [$d173], a
+ ret
+; 97f2c
+
+Function97f2c: ; 97f2c
+ ld a, $7f
+ ld [$d173], a
+ ld hl, $0005
+ add hl, bc
+ ld [hl], 0
+ ret
+; 97f38
+
+Function97f38: ; 97f38
+ push bc
+ ld bc, $d4d6
+ call GetSpriteDirection
+ and a
+ pop bc
+ ret
+; 97f42
+
+Function97f42: ; 97f42
+ ld de, $d4d6
+ ld a, $d
+.asm_97f47
+ push af
+
+ ld hl, $0000
+ 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
+
diff --git a/engine/scripting.asm b/engine/scripting.asm
index 3d37b0206..4fabec928 100644
--- a/engine/scripting.asm
+++ b/engine/scripting.asm
@@ -1,3 +1,75 @@
+; Event scripting commands.
+
+
+Function96c56: ; 96c56
+ push af
+ ld a, 1
+ ld [ScriptMode], a
+ pop af
+ ret
+; 96c5e
+
+
+ScriptEvents: ; 96c5e
+ call StartScript
+.loop
+ ld a, [ScriptMode]
+ ld hl, .modes
+ rst JumpTable
+ call CheckScript
+ jr nz, .loop
+ ret
+; 96c6e
+
+.modes ; 96c6e
+ dw EndScript
+ dw RunScriptCommand
+ dw WaitScriptMovement
+ dw WaitScript
+
+EndScript: ; 96c76
+ call StopScript
+ ret
+; 96c7a
+
+WaitScript: ; 96c7a
+ call StopScript
+
+ ld hl, ScriptDelay
+ dec [hl]
+ ret nz
+
+ callba Function58b9
+
+ ld a, SCRIPT_READ
+ ld [ScriptMode], a
+ call StartScript
+ ret
+; 96c91
+
+WaitScriptMovement: ; 96c91
+ call StopScript
+
+ ld hl, VramState
+ bit 7, [hl]
+ ret nz
+
+ callba Function58b9
+
+ ld a, SCRIPT_READ
+ ld [ScriptMode], a
+ call StartScript
+ ret
+; 96ca9
+
+RunScriptCommand: ; 96ca9
+ call GetScriptByte
+ ld hl, ScriptCommandTable
+ rst JumpTable
+ ret
+; 96cb1
+
+
ScriptCommandTable: ; 0x96cb1
dw Script_2call
dw Script_3call
@@ -81,7 +153,9 @@ ScriptCommandTable: ; 0x96cb1
dw Script_loadmenudata
dw Script_writebackup
dw Script_jumptextfaceplayer
+IF _CRYSTAL
dw Script_3jumptext
+ENDC
dw Script_jumptext
dw Script_closetext
dw Script_keeptextopen
@@ -279,6 +353,9 @@ JumpTextScript: ; 0x96e7a
end
; 0x96e81
+
+IF _CRYSTAL
+
Script_3jumptext: ; 0x96e81
; script command 0x52
; parameters:
@@ -295,6 +372,9 @@ Script_3jumptext: ; 0x96e81
jp ScriptJump
; 0x96e9b
+ENDC
+
+
Script_2writetext: ; 0x96e9b
; script command 0x4c
; parameters:
@@ -3117,7 +3197,7 @@ DisplayCredits:
call Function261b
call StopScript
ret
-; 0x97c05
+; 0x97c051
Script_wait: ; 0x97c05
; script command 0xa8
@@ -3146,3 +3226,13 @@ Script_unknown0xa9: ; 0x97c15
ret
; 0x97c20
+
+Function97c20: ; 97c20
+ ld a, [.byte]
+ ld [ScriptVar], a
+ ret
+
+.byte
+ db 0
+; 97c28
+
diff --git a/engine/scripting_crystal.asm b/engine/scripting_crystal.asm
new file mode 100644
index 000000000..5a7468bda
--- /dev/null
+++ b/engine/scripting_crystal.asm
@@ -0,0 +1,5 @@
+INCLUDE "pokecrystal.asm"
+INCLUDE "includes.asm"
+
+SECTION "scripting", ROMX, BANK[$25]
+INCLUDE "engine/scripting.asm"