pokecrystal-board/engine/landmarks.asm
2018-01-23 17:39:09 -05:00

88 lines
1.2 KiB
NASM

GetLandmarkCoords: ; 0x1ca896
; Return coordinates (d, e) of landmark e.
push hl
ld l, e
ld h, 0
add hl, hl
add hl, hl
ld de, Landmarks
add hl, de
ld a, [hli]
ld e, a
ld d, [hl]
pop hl
ret
; 0x1ca8a5
GetLandmarkName:: ; 0x1ca8a5
; Copy the name of landmark e to wStringBuffer1.
push hl
push de
push bc
ld l, e
ld h, 0
add hl, hl
add hl, hl
ld de, Landmarks + 2
add hl, de
ld a, [hli]
ld h, [hl]
ld l, a
ld de, wStringBuffer1
ld c, 18
.copy
ld a, [hli]
ld [de], a
inc de
dec c
jr nz, .copy
pop bc
pop de
pop hl
ret
; 0x1ca8c3
INCLUDE "data/maps/landmarks.asm"
RegionCheck: ; 0x1caea1
; Checks if the player is in Kanto or Johto.
; If in Johto, returns 0 in e.
; If in Kanto, returns 1 in e.
ld a, [wMapGroup]
ld b, a
ld a, [wMapNumber]
ld c, a
call GetWorldMapLocation
cp FAST_SHIP ; S.S. Aqua
jr z, .johto
cp SPECIAL_MAP
jr nz, .checkagain
; In a special map, get the backup map group / map id
ld a, [wBackupMapGroup]
ld b, a
ld a, [wBackupMapNumber]
ld c, a
call GetWorldMapLocation
.checkagain
cp KANTO_LANDMARK
jr c, .johto
; Victory Road area is considered to be Johto.
cp VICTORY_ROAD
jr c, .kanto
.johto
ld e, JOHTO_REGION
ret
.kanto
ld e, KANTO_REGION
ret