Merge pull request #110 from ElectroDeoxys/master

Split Home bank

1 files changed, 171 insertions, 0 deletions

diff --git a/src/home/script.asm b/src/home/script.asm
new file mode 100644
index 0000000..229eb65
--- /dev/null
+++ b/src/home/script.asm
@@ -0,0 +1,171 @@
+HandleMoveModeAPress:
+	ldh a, [hBankROM]
+	push af
+	ld l, MAP_SCRIPT_OBJECTS
+	call GetMapScriptPointer
+	jr nc, .handleSecondAPressScript
+	ld a, BANK(FindPlayerMovementFromDirection)
+	call BankswitchROM
+	call FindPlayerMovementFromDirection
+	ld a, BANK(MapScripts)
+	call BankswitchROM
+	ld a, [wPlayerDirection]
+	ld d, a
+.findAPressMatchLoop
+	ld a, [hli]
+	bit 7, a
+	jr nz, .handleSecondAPressScript
+	push bc
+	push hl
+	cp d
+	jr nz, .noMatch
+	ld a, [hli]
+	cp b
+	jr nz, .noMatch
+	ld a, [hli]
+	cp c
+	jr nz, .noMatch
+	ld a, [hli]
+	ld [wNextScript], a
+	ld a, [hli]
+	ld [wNextScript+1], a
+	ld a, [hli]
+	ld [wDefaultObjectText], a
+	ld a, [hli]
+	ld [wDefaultObjectText+1], a
+	ld a, [hli]
+	ld [wCurrentNPCNameTx], a
+	ld a, [hli]
+	ld [wCurrentNPCNameTx+1], a
+	pop hl
+	pop bc
+	pop af
+	call BankswitchROM
+	scf
+	ret
+.noMatch
+	pop hl
+	ld bc, MAP_OBJECT_SIZE - 1
+	add hl, bc
+	pop bc
+	jr .findAPressMatchLoop
+.handleSecondAPressScript
+	pop af
+	call BankswitchROM
+	ld l, MAP_SCRIPT_PRESSED_A
+	call CallMapScriptPointerIfExists
+	ret
+
+; returns a map script pointer in hl given
+; current map in wCurMap and which sub-script in l
+; sets c if pointer is found
+GetMapScriptPointer:
+	push bc
+	push hl
+	ld a, [wCurMap]
+	ld l, a
+	ld h, $0
+	add hl, hl
+	add hl, hl
+	add hl, hl
+	add hl, hl
+	ld bc, MapScripts
+	add hl, bc
+	pop bc
+	ld b, $0
+	add hl, bc
+	ldh a, [hBankROM]
+	push af
+	ld a, BANK(MapScripts)
+	call BankswitchROM
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	pop af
+	call BankswitchROM
+	ld a, l
+	or h
+	jr nz, .asm_3ae5
+	scf
+.asm_3ae5
+	ccf
+	pop bc
+	ret
+
+; loads some configurations for the duel against
+; the NPC whose deck ID is stored in wNPCDuelDeckID
+; this includes NPC portrait, his/her name text ID,
+; and the number of prize cards
+; this was used in testing since these configurations
+; are stored in the script-related NPC data for normal gameplay
+; returns carry if a duel configuration was found
+; for the given NPC deck ID
+GetNPCDuelConfigurations:
+	farcall _GetNPCDuelConfigurations
+	ret
+
+; finds a Script from the first byte and puts the next two bytes (usually arguments?) into cb
+RunOverworldScript:
+	ld hl, wScriptPointer
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld a, [hli]
+	ld c, [hl]
+	inc hl
+	ld b, [hl]
+	push bc
+	rlca
+	ld c, a
+	ld b, $0
+	ld hl, OverworldScriptTable
+	add hl, bc
+	ldh a, [hBankROM]
+	push af
+	ld a, BANK(OverworldScriptTable)
+	call BankswitchROM
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	pop af
+	call BankswitchROM
+	pop bc
+	jp hl
+
+Func_3b11:
+	ldh a, [hBankROM]
+	push af
+	ld a, BANK(_GameLoop)
+	call BankswitchROM
+	call _GameLoop
+	pop af
+	call BankswitchROM
+	ret
+
+Func_3b21:
+	ldh a, [hBankROM]
+	push af
+	ld a, BANK(Func_1c8bc)
+	call BankswitchROM
+	call Func_1c8bc
+	pop af
+	call BankswitchROM
+	ret
+
+Func_3b31:
+	ldh a, [hBankROM]
+	push af
+	ld a, BANK(Func_1cb18)
+	call BankswitchROM
+	call Func_1cb18
+	jr c, .asm_3b45
+	xor a
+	ld [wDoFrameFunction], a
+	ld [wDoFrameFunction + 1], a
+.asm_3b45
+	call ZeroObjectPositions
+	ld a, 1
+	ld [wVBlankOAMCopyToggle], a
+	pop af
+	call BankswitchROM
+	ret