Add subdirectories to engine/ similar to pokecrystal

engine/overworld/auto_movement.asm

@@ -0,0 +1,292 @@
+PlayerStepOutFromDoor::
+	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::
+	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::
+	dw PalletMovementScript_OakMoveLeft
+	dw PalletMovementScript_PlayerMoveLeft
+	dw PalletMovementScript_WaitAndWalkToLab
+	dw PalletMovementScript_WalkToLab
+	dw PalletMovementScript_Done
+
+PalletMovementScript_OakMoveLeft:
+	ld a, [wXCoord]
+	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, wFlags_D733
+	set 1, [hl]
+	ld a, $fc
+	ld [wJoyIgnore], a
+	ret
+
+PalletMovementScript_PlayerMoveLeft:
+	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:
+	ld a, [wSimulatedJoypadStatesIndex]
+	and a ; is the player done moving left yet?
+	ret nz
+
+PalletMovementScript_WalkToLab:
+	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:
+	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:
+	db D_UP, $02
+	db D_RIGHT, $03
+	db D_DOWN, $05
+	db D_LEFT, $01
+	db D_DOWN, $06
+	db $FF
+
+PalletMovementScript_Done:
+	ld a, [wSimulatedJoypadStatesIndex]
+	and a
+	ret nz
+	ld a, HS_PALLET_TOWN_OAK
+	ld [wMissableObjectIndex], a
+	predef HideObject
+	ld hl, wd730
+	res 7, [hl]
+	ld hl, wd72e
+	res 7, [hl]
+	jp EndNPCMovementScript
+
+PewterMuseumGuyMovementScriptPointerTable::
+	dw PewterMovementScript_WalkToMuseum
+	dw PewterMovementScript_Done
+
+PewterMovementScript_WalkToMuseum:
+	ld a, BANK(Music_MuseumGuy)
+	ld [wAudioROMBank], a
+	ld [wAudioSavedROMBank], a
+	ld a, MUSIC_MUSEUM_GUY
+	ld [wNewSoundID], 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 [wWhichPewterGuy], 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:
+	db 0, $01
+	db D_UP, $03
+	db D_LEFT, $0D
+	db D_UP, $06
+	db $FF
+
+RLEList_PewterMuseumGuy:
+	db NPC_MOVEMENT_UP, $06
+	db NPC_MOVEMENT_LEFT, $0D
+	db NPC_MOVEMENT_UP, $03
+	db NPC_MOVEMENT_LEFT, $01
+	db $FF
+
+PewterMovementScript_Done:
+	ld a, [wSimulatedJoypadStatesIndex]
+	and a
+	ret nz
+	ld hl, wd730
+	res 7, [hl]
+	ld hl, wd72e
+	res 7, [hl]
+	jp EndNPCMovementScript
+
+PewterGymGuyMovementScriptPointerTable::
+	dw PewterMovementScript_WalkToGym
+	dw PewterMovementScript_Done
+
+PewterMovementScript_WalkToGym:
+	ld a, BANK(Music_MuseumGuy)
+	ld [wAudioROMBank], a
+	ld [wAudioSavedROMBank], a
+	ld a, MUSIC_MUSEUM_GUY
+	ld [wNewSoundID], 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 [wWhichPewterGuy], 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:
+	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:
+	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::
+	ld a, [wCurMap]
+	cp POKEMON_TOWER_7F
+	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:
+	db OPP_SONY1
+	db OPP_SONY2
+	db OPP_SONY3
+	db $ff