ref: 73171bfff573fa8900563319c014f3e626db6b3e
dir: /engine/overworld/npc_movement.asm/
PlayerStepOutFromDoor: ; 1a3e0 (6:63e0) ld hl, wd730 res 1, [hl] call IsPlayerStandingOnDoorTile jr nc, .notStandingOnDoor ld a, $fc ld [wJoyIgnore], a ld hl, wd736 set 1, [hl] ld a, $1 ld [wSimulatedJoypadStatesIndex], a ld a, D_DOWN ld [wSimulatedJoypadStatesEnd], a xor a ld [wSpriteStateData1 + 2], a call StartSimulatingJoypadStates ret .notStandingOnDoor xor a ld [wWastedByteCD3A], a ld [wSimulatedJoypadStatesIndex], a ld [wSimulatedJoypadStatesEnd], a ld hl, wd736 res 0, [hl] res 1, [hl] ld hl, wd730 res 7, [hl] ret _EndNPCMovementScript: ; 1a41d (6:641d) ld hl, wd730 res 7, [hl] ld hl, wd72e res 7, [hl] ld hl, wd736 res 0, [hl] res 1, [hl] xor a ld [wNPCMovementScriptSpriteOffset], a ld [wNPCMovementScriptPointerTableNum], a ld [wNPCMovementScriptFunctionNum], a ld [wWastedByteCD3A], a ld [wSimulatedJoypadStatesIndex], a ld [wSimulatedJoypadStatesEnd], a ret PalletMovementScriptPointerTable: ; 1a442 (6:6442) dw PalletMovementScript_OakMoveLeft dw PalletMovementScript_PlayerMoveLeft dw PalletMovementScript_WaitAndWalkToLab dw PalletMovementScript_WalkToLab dw PalletMovementScript_Done PalletMovementScript_OakMoveLeft: ; 1a44c (6:644c) ld a, [W_XCOORD] sub $a ld [wNumStepsToTake], a jr z, .playerOnLeftTile ; The player is on the right tile of the northern path out of Pallet Town and ; Prof. Oak is below. ; Make Prof. Oak step to the left. ld b, 0 ld c, a ld hl, wNPCMovementDirections2 ld a, NPC_MOVEMENT_LEFT call FillMemory ld [hl], $ff ld a, [wSpriteIndex] ld [H_SPRITEINDEX], a ld de, wNPCMovementDirections2 call MoveSprite ld a, $1 ld [wNPCMovementScriptFunctionNum], a jr .done ; The player is on the left tile of the northern path out of Pallet Town and ; Prof. Oak is below. ; Prof. Oak is already where he needs to be. .playerOnLeftTile ld a, $3 ld [wNPCMovementScriptFunctionNum], a .done ld hl, W_FLAGS_D733 set 1, [hl] ld a, $fc ld [wJoyIgnore], a ret PalletMovementScript_PlayerMoveLeft: ; 1a485 (6:6485) ld a, [wd730] bit 0, a ; is an NPC being moved by a script? ret nz ; return if Oak is still moving ld a, [wNumStepsToTake] ld [wSimulatedJoypadStatesIndex], a ld [hNPCMovementDirections2Index], a predef ConvertNPCMovementDirectionsToJoypadMasks call StartSimulatingJoypadStates ld a, $2 ld [wNPCMovementScriptFunctionNum], a ret PalletMovementScript_WaitAndWalkToLab: ; 1a4a1 (6:64a1) ld a, [wSimulatedJoypadStatesIndex] and a ; is the player done moving left yet? ret nz PalletMovementScript_WalkToLab: ; 1a4a6 (6:64a6) xor a ld [wOverrideSimulatedJoypadStatesMask], a ld a, [wSpriteIndex] swap a ld [wNPCMovementScriptSpriteOffset], a xor a ld [wSpriteStateData2 + $06], a ld hl, wSimulatedJoypadStatesEnd ld de, RLEList_PlayerWalkToLab call DecodeRLEList dec a ld [wSimulatedJoypadStatesIndex], a ld hl, wNPCMovementDirections2 ld de, RLEList_ProfOakWalkToLab call DecodeRLEList ld hl, wd72e res 7, [hl] ld hl, wd730 set 7, [hl] ld a, $4 ld [wNPCMovementScriptFunctionNum], a ret RLEList_ProfOakWalkToLab: ; 1a4dc (6:64dc) db NPC_MOVEMENT_DOWN, $05 db NPC_MOVEMENT_LEFT, $01 db NPC_MOVEMENT_DOWN, $05 db NPC_MOVEMENT_RIGHT, $03 db NPC_MOVEMENT_UP, $01 db $E0, $01 ; stand still db $FF RLEList_PlayerWalkToLab: ; 1a4e9 (6:64e9) db D_UP, $02 db D_RIGHT, $03 db D_DOWN, $05 db D_LEFT, $01 db D_DOWN, $06 db $FF PalletMovementScript_Done: ; 1a4f4 (6:64f4) ld a, [wSimulatedJoypadStatesIndex] and a ret nz ld a, $0 ld [wcc4d], a predef HideObject ld hl, wd730 res 7, [hl] ld hl, wd72e res 7, [hl] jp EndNPCMovementScript PewterMuseumGuyMovementScriptPointerTable: ; 1a510 (6:6510) dw PewterMovementScript_WalkToMuseum dw PewterMovementScript_Done PewterMovementScript_WalkToMuseum: ; 1a514 (6:6514) ld a, BANK(Music_MuseumGuy) ld [wc0ef], a ld [wc0f0], a ld a, MUSIC_MUSEUM_GUY ld [wc0ee], a call PlaySound ld a, [wSpriteIndex] swap a ld [wNPCMovementScriptSpriteOffset], a call StartSimulatingJoypadStates ld hl, wSimulatedJoypadStatesEnd ld de, RLEList_PewterMuseumPlayer call DecodeRLEList dec a ld [wSimulatedJoypadStatesIndex], a xor a ld [wd12f], a predef PewterGuys ld hl, wNPCMovementDirections2 ld de, RLEList_PewterMuseumGuy call DecodeRLEList ld hl, wd72e res 7, [hl] ld a, $1 ld [wNPCMovementScriptFunctionNum], a ret RLEList_PewterMuseumPlayer: ; 1a559 (6:6559) db 0, $01 db D_UP, $03 db D_LEFT, $0D db D_UP, $06 db $FF RLEList_PewterMuseumGuy: ; 1a562 (6:6562) db NPC_MOVEMENT_UP, $06 db NPC_MOVEMENT_LEFT, $0D db NPC_MOVEMENT_UP, $03 db NPC_MOVEMENT_LEFT, $01 db $FF PewterMovementScript_Done: ; 1a56b (6:656b) ld a, [wSimulatedJoypadStatesIndex] and a ret nz ld hl, wd730 res 7, [hl] ld hl, wd72e res 7, [hl] jp EndNPCMovementScript PewterGymGuyMovementScriptPointerTable: ; 1a57d (6:657d) dw PewterMovementScript_WalkToGym dw PewterMovementScript_Done PewterMovementScript_WalkToGym: ; 1a581 (6:6581) ld a, BANK(Music_MuseumGuy) ld [wc0ef], a ld [wc0f0], a ld a, MUSIC_MUSEUM_GUY ld [wc0ee], a call PlaySound ld a, [wSpriteIndex] swap a ld [wNPCMovementScriptSpriteOffset], a xor a ld [wSpriteStateData2 + $06], a ld hl, wSimulatedJoypadStatesEnd ld de, RLEList_PewterGymPlayer call DecodeRLEList dec a ld [wSimulatedJoypadStatesIndex], a ld a, $1 ld [wd12f], a predef PewterGuys ld hl, wNPCMovementDirections2 ld de, RLEList_PewterGymGuy call DecodeRLEList ld hl, wd72e res 7, [hl] ld hl, wd730 set 7, [hl] ld a, $1 ld [wNPCMovementScriptFunctionNum], a ret RLEList_PewterGymPlayer: ; 1a5cd (6:65cd) db 0, $01 db D_RIGHT, $02 db D_DOWN, $05 db D_LEFT, $0B db D_UP, $05 db D_LEFT, $0F db $FF RLEList_PewterGymGuy: ; 1a5da (6:65da) db NPC_MOVEMENT_DOWN, $02 db NPC_MOVEMENT_LEFT, $0F db NPC_MOVEMENT_UP, $05 db NPC_MOVEMENT_LEFT, $0B db NPC_MOVEMENT_DOWN, $05 db NPC_MOVEMENT_RIGHT, $03 db $FF FreezeEnemyTrainerSprite: ; 1a5e7 (6:65e7) ld a, [W_CURMAP] cp POKEMONTOWER_7 ret z ; the Rockets on Pokemon Tower 7F leave after battling, so don't freeze them ld hl, RivalIDs ld a, [wEngagedTrainerClass] ld b, a .loop ld a, [hli] cp $ff jr z, .notRival cp b ret z ; the rival leaves after battling, so don't freeze him jr .loop .notRival ld a, [wSpriteIndex] ld [H_SPRITEINDEX], a jp SetSpriteMovementBytesToFF RivalIDs: ; 1a605 (6:6605) db SONY1 + $c8 db SONY2 + $c8 db SONY3 + $c8 db $ff