HiddenItemNear:
ld hl, HiddenItemCoords
ld b, 0
.loop
ld de, 3
ld a, [wCurMap]
call IsInRestOfArray
ret nc ; return if current map has no hidden items
push bc
push hl
ld hl, wObtainedHiddenItemsFlags
ld c, b
ld b, FLAG_TEST
predef FlagActionPredef
ld a, c
pop hl
pop bc
inc b
and a
inc hl
ld d, [hl]
inc hl
ld e, [hl]
inc hl
jr nz, .loop ; if the item has already been obtained
; check if the item is within 4-5 tiles (depending on the direction of item)
ld a, [wYCoord]
call Sub5ClampTo0
cp d
jr nc, .loop
ld a, [wYCoord]
add 4
cp d
jr c, .loop
ld a, [wXCoord]
call Sub5ClampTo0
cp e
jr nc, .loop
ld a, [wXCoord]
add 5
cp e
jr c, .loop
scf
ret
Sub5ClampTo0:
; subtract 5 but clamp to 0
sub 5
cp $f0
ret c
xor a
ret
