ref: 597701f168e69a316f18951e3002c322e23cf3ea
dir: /engine/pokemon/search.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 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 ; found! 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 ; found! 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 ; found! 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 ; not found call CloseSRAM and a ret CheckOwnMon: ; Check if a Pokémon belongs to the player and is of a specific species. ; 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] ; species we're looking for ld b, [hl] ; species we have cp b jr nz, .notfound ; species doesn't match ; check ID number ld bc, MON_ID add hl, bc ; now hl points to ID number ld a, [wPlayerID] cp [hl] jr nz, .notfound ; ID doesn't match inc hl ld a, [wPlayerID + 1] cp [hl] jr nz, .notfound ; ID doesn't match ; check OT ; This only checks five characters, which is fine for the Japanese version, ; but in the English version the player name is 7 characters, so this is wrong. ld hl, wPlayerName rept NAME_LENGTH_JAPANESE - 2 ; should be PLAYER_NAME_LENGTH - 2 ld a, [de] cp [hl] jr nz, .notfound cp "@" jr z, .found ; reached end of string 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 dba sBox1 dba sBox2 dba sBox3 dba sBox4 dba sBox5 dba sBox6 dba sBox7 dba sBox8 dba sBox9 dba sBox10 dba sBox11 dba sBox12 dba sBox13 dba sBox14 assert_table_length NUM_BOXES UpdateOTPointer: push hl ld hl, NAME_LENGTH add hl, bc ld b, h ld c, l pop hl ret