ref: f739f8b1acd3d381015192636600bd3b38bdf28f
dir: /engine/pokemon/search_owned.asm/
BeastsCheck:
; Check if the player owns all three legendary beasts.
; They must exist in either party or PC, and have the player's OT and ID.
; Return the result in wScriptVar.
ld a, RAIKOU
ld [wScriptVar], a
call CheckOwnMonAnywhere
jr nc, .notexist
ld a, ENTEI
ld [wScriptVar], a
call CheckOwnMonAnywhere
jr nc, .notexist
ld a, SUICUNE
ld [wScriptVar], a
call CheckOwnMonAnywhere
jr nc, .notexist
; they exist
ld a, 1
ld [wScriptVar], a
ret
.notexist
xor a
ld [wScriptVar], a
ret
MonCheck:
; Check if the player owns any Pokémon of the species in wScriptVar.
; Return the result in wScriptVar.
call CheckOwnMonAnywhere
jr c, .exists
; doesn't exist
xor a
ld [wScriptVar], a
ret
.exists
ld a, 1
ld [wScriptVar], a
ret
CheckOwnMonAnywhere:
; Check if the player owns any monsters of the species in wScriptVar.
; It must exist in either party or PC, and have the player's OT and ID.
; If there are no monsters in the party,
; the player must not own any yet.
ld a, [wPartyCount]
and a
ret z
; BUG: CheckOwnMon does not check the Day-Care (see docs/bugs_and_glitches.md)
ld d, a
ld e, 0
ld hl, wPartyMon1Species
ld bc, wPartyMonOTs
; Run CheckOwnMon on each Pokémon in the party.
.partymon
call CheckOwnMon
ret c
push bc
ld bc, PARTYMON_STRUCT_LENGTH
add hl, bc
pop bc
call UpdateOTPointer
dec d
jr nz, .partymon
; Run CheckOwnMon on each Pokémon in the PC.
ld a, BANK(sBoxCount)
call OpenSRAM
ld a, [sBoxCount]
and a
jr z, .boxes
ld d, a
ld hl, sBoxMon1Species
ld bc, sBoxMonOTs
.openboxmon
call CheckOwnMon
jr nc, .loop
call CloseSRAM
ret
.loop
push bc
ld bc, BOXMON_STRUCT_LENGTH
add hl, bc
pop bc
call UpdateOTPointer
dec d
jr nz, .openboxmon
; Run CheckOwnMon on each monster in the other 13 PC boxes.
.boxes
call CloseSRAM
ld c, 0
.box
; Don't search the current box again.
ld a, [wCurBox]
and $f
cp c
jr z, .loopbox
; Load the box.
ld hl, SearchBoxAddressTable
ld b, 0
add hl, bc
add hl, bc
add hl, bc
ld a, [hli]
call OpenSRAM
ld a, [hli]
ld h, [hl]
ld l, a
; Number of monsters in the box
ld a, [hl]
and a
jr z, .loopbox
push bc
push hl
ld de, sBoxMons - sBoxCount
add hl, de
ld d, h
ld e, l
pop hl
push de
ld de, sBoxMonOTs - sBoxCount
add hl, de
ld b, h
ld c, l
pop hl
ld d, a
.boxmon
call CheckOwnMon
jr nc, .loopboxmon
pop bc
call CloseSRAM
ret
.loopboxmon
push bc
ld bc, BOXMON_STRUCT_LENGTH
add hl, bc
pop bc
call UpdateOTPointer
dec d
jr nz, .boxmon
pop bc
.loopbox
inc c
ld a, c
cp NUM_BOXES
jr c, .box
call CloseSRAM
and a
ret
CheckOwnMon:
; Check if a Pokémon belongs to the player and is of a specific species.
; We compare the species we are looking for in [wScriptVar] to the species
; we have in [hl].
; inputs:
; hl, pointer to PartyMonNSpecies
; bc, pointer to PartyMonNOT
; wScriptVar should contain the species we're looking for
; outputs:
; sets carry if monster matches species, ID, and OT name.
push bc
push hl
push de
ld d, b
ld e, c
; check species
ld a, [wScriptVar]
ld b, [hl]
cp b
jr nz, .notfound
; check ID number
ld bc, MON_ID
add hl, bc
ld a, [wPlayerID]
cp [hl]
jr nz, .notfound
inc hl
ld a, [wPlayerID + 1]
cp [hl]
jr nz, .notfound
; check OT
ld hl, wPlayerName
; BUG: CheckOwnMon only checks the first five letters of OT names (see docs/bugs_and_glitches.md)
rept NAME_LENGTH_JAPANESE - 2
ld a, [de]
cp [hl]
jr nz, .notfound
cp "@"
jr z, .found
inc hl
inc de
endr
ld a, [de]
cp [hl]
jr z, .found
.notfound
pop de
pop hl
pop bc
and a
ret
.found
pop de
pop hl
pop bc
scf
ret
SearchBoxAddressTable:
table_width 3, SearchBoxAddressTable
for n, 1, NUM_BOXES + 1
dba sBox{d:n}
endr
assert_table_length NUM_BOXES
UpdateOTPointer:
push hl
ld hl, NAME_LENGTH
add hl, bc
ld b, h
ld c, l
pop hl
ret