mirror of
https://github.com/pret/pokered.git
synced 2024-10-23 15:08:23 +00:00
133 lines
2.2 KiB
NASM
Executable file
133 lines
2.2 KiB
NASM
Executable file
IsPlayerOnDungeonWarp: ; 46981 (11:6981)
|
|
xor a
|
|
ld [wWhichDungeonWarp], a
|
|
ld a, [wd72d]
|
|
bit 4, a
|
|
ret nz
|
|
call ArePlayerCoordsInArray
|
|
ret nc
|
|
ld a, [wCoordIndex]
|
|
ld [wWhichDungeonWarp], a
|
|
ld hl, wd72d
|
|
set 4, [hl]
|
|
ld hl, wd732
|
|
set 4, [hl]
|
|
ret
|
|
|
|
; if a hidden object was found, stores $00 in [$ffee], else stores $ff
|
|
CheckForHiddenObject: ; 469a0 (11:69a0)
|
|
ld hl, $ffeb
|
|
xor a
|
|
ld [hli], a
|
|
ld [hli], a
|
|
ld [hli], a
|
|
ld [hl], a
|
|
ld de, $0
|
|
ld hl, HiddenObjectMaps
|
|
.hiddenMapLoop
|
|
ld a, [hli]
|
|
ld b, a
|
|
cp $ff
|
|
jr z, .noMatch
|
|
ld a, [wCurMap]
|
|
cp b
|
|
jr z, .foundMatchingMap
|
|
inc de
|
|
inc de
|
|
jr .hiddenMapLoop
|
|
.foundMatchingMap
|
|
ld hl, HiddenObjectPointers
|
|
add hl, de
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
push hl
|
|
ld hl, wHiddenObjectFunctionArgument
|
|
xor a
|
|
ld [hli], a
|
|
ld [hli], a
|
|
ld [hl], a
|
|
pop hl
|
|
.hiddenObjectLoop
|
|
ld a, [hli]
|
|
cp $ff
|
|
jr z, .noMatch
|
|
ld [wHiddenObjectY], a
|
|
ld b, a
|
|
ld a, [hli]
|
|
ld [wHiddenObjectX], a
|
|
ld c, a
|
|
call CheckIfCoordsInFrontOfPlayerMatch
|
|
ld a, [hCoordsInFrontOfPlayerMatch]
|
|
and a
|
|
jr z, .foundMatchingObject
|
|
inc hl
|
|
inc hl
|
|
inc hl
|
|
inc hl
|
|
push hl
|
|
ld hl, wHiddenObjectIndex
|
|
inc [hl]
|
|
pop hl
|
|
jr .hiddenObjectLoop
|
|
.foundMatchingObject
|
|
ld a, [hli]
|
|
ld [wHiddenObjectFunctionArgument], a
|
|
ld a, [hli]
|
|
ld [wHiddenObjectFunctionRomBank], a
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
ret
|
|
.noMatch
|
|
ld a, $ff
|
|
ld [$ffee], a
|
|
ret
|
|
|
|
; checks if the coordinates in front of the player's sprite match Y in b and X in c
|
|
; [hCoordsInFrontOfPlayerMatch] = $00 if they match, $ff if they don't match
|
|
CheckIfCoordsInFrontOfPlayerMatch: ; 46a01 (11:6a01)
|
|
ld a, [wSpriteStateData1 + 9] ; player's sprite facing direction
|
|
cp SPRITE_FACING_UP
|
|
jr z, .facingUp
|
|
cp SPRITE_FACING_LEFT
|
|
jr z, .facingLeft
|
|
cp SPRITE_FACING_RIGHT
|
|
jr z, .facingRight
|
|
; facing down
|
|
ld a, [wYCoord]
|
|
inc a
|
|
jr .upDownCommon
|
|
.facingUp
|
|
ld a, [wYCoord]
|
|
dec a
|
|
.upDownCommon
|
|
cp b
|
|
jr nz, .didNotMatch
|
|
ld a, [wXCoord]
|
|
cp c
|
|
jr nz, .didNotMatch
|
|
jr .matched
|
|
.facingLeft
|
|
ld a, [wXCoord]
|
|
dec a
|
|
jr .leftRightCommon
|
|
.facingRight
|
|
ld a, [wXCoord]
|
|
inc a
|
|
.leftRightCommon
|
|
cp c
|
|
jr nz, .didNotMatch
|
|
ld a, [wYCoord]
|
|
cp b
|
|
jr nz, .didNotMatch
|
|
.matched
|
|
xor a
|
|
jr .done
|
|
.didNotMatch
|
|
ld a, $ff
|
|
.done
|
|
ld [hCoordsInFrontOfPlayerMatch], a
|
|
ret
|
|
|
|
INCLUDE "data/hidden_objects.asm"
|