pokegold-spaceworld/engine/overworld/spawn_points.asm
luckytyphlosion e1659ecd41 Introduce linkerscript.
Addresses of sections will now be added to the linkerscript via `org`, and the section name will be the path/to/file. If there is more than one section in the file, then add a @SectionName after the path/to/file to describe the section.
2018-07-03 17:07:05 -04:00

59 lines
809 B
NASM
Executable File

INCLUDE "constants.asm"
SECTION "engine/overworld/spawn_points.asm", ROMX
LoadSpawnPoint: ; 03:4791
; loads the spawn point in wDefaultSpawnPoint
push hl
push de
ld a, [wDefaultSpawnPoint]
and a
jr z, .skip
dec a
ld l, a
ld h, 0
add hl, hl
add hl, hl
ld de, SpawnPoints
add hl, de
ld a, [hli]
ld [wMapGroup], a
ld a, [hli]
ld [wMapId], a
ld a, [hli]
ld [wXCoord], a
ld a, [hli]
ld [wYCoord], a
.skip
pop de
pop hl
ret
IsSpawnPoint: ; 03:47b6
; Checks if the map loaded in de is a spawn point.
; Returns carry if it's a spawn point.
ld hl, SpawnPoints
ld c, 1
.loop
ld a, [hl]
cp SPAWN_N_A
jr z, .fail
cp d
jr nz, .next
inc hl
ld a, [hld]
cp e
jr z, .succeed
.next
push bc
ld bc, SPAWN_POINT_SIZE
add hl, bc
pop bc
inc c
jr .loop
.fail
and a
ret
.succeed
scf
ret