ref: 2b2c1ac64906ba61ab713d2e2462a2ca9fb8d05c
dir: /engine/events/map_name_sign.asm/
MAP_NAME_SIGN_START EQU $60 InitMapNameSign:: xor a ldh [hBGMapMode], a farcall .inefficient_farcall ; this is a waste of 6 ROM bytes and 6 stack bytes ret ; should have just been a fallthrough .inefficient_farcall ld a, [wMapGroup] ld b, a ld a, [wMapNumber] ld c, a call GetWorldMapLocation ld [wCurLandmark], a call .CheckNationalParkGate jr z, .gate call GetMapEnvironment cp GATE jr nz, .not_gate .gate ld a, -1 ld [wCurLandmark], a .not_gate ld hl, wEnteredMapFromContinue bit 1, [hl] res 1, [hl] jr nz, .dont_do_map_sign call .CheckMovingWithinLandmark jr z, .dont_do_map_sign ld a, [wCurLandmark] ld [wPrevLandmark], a call .CheckSpecialMap jr z, .dont_do_map_sign ; Display for 60 frames ld a, 60 ld [wLandmarkSignTimer], a call LoadMapNameSignGFX call InitMapNameFrame farcall HDMATransfer_OnlyTopFourRows ret .dont_do_map_sign ld a, [wCurLandmark] ld [wPrevLandmark], a ld a, $90 ldh [rWY], a ldh [hWY], a xor a ldh [hLCDCPointer], a ret .CheckMovingWithinLandmark: ld a, [wCurLandmark] ld c, a ld a, [wPrevLandmark] cp c ret z cp LANDMARK_SPECIAL ret .CheckSpecialMap: ; These landmarks do not get pop-up signs. cp -1 ret z cp LANDMARK_SPECIAL ; redundant check ret z cp LANDMARK_RADIO_TOWER ret z cp LANDMARK_LAV_RADIO_TOWER ret z cp LANDMARK_UNDERGROUND_PATH ret z cp LANDMARK_INDIGO_PLATEAU ret z cp LANDMARK_POWER_PLANT ret z ld a, 1 and a ret .CheckNationalParkGate: ld a, [wMapGroup] cp GROUP_ROUTE_35_NATIONAL_PARK_GATE ret nz ld a, [wMapNumber] cp MAP_ROUTE_35_NATIONAL_PARK_GATE ret z cp MAP_ROUTE_36_NATIONAL_PARK_GATE ret PlaceMapNameSign:: ld hl, wLandmarkSignTimer ld a, [hl] and a jr z, .disappear dec [hl] cp 60 ret z cp 59 jr nz, .already_initialized call InitMapNameFrame call PlaceMapNameCenterAlign farcall HDMATransfer_OnlyTopFourRows .already_initialized ld a, $80 ld a, $70 ldh [rWY], a ldh [hWY], a ret .disappear ld a, $90 ldh [rWY], a ldh [hWY], a xor a ldh [hLCDCPointer], a ret LoadMapNameSignGFX: ld de, MapEntryFrameGFX ld hl, vTiles2 tile MAP_NAME_SIGN_START lb bc, BANK(MapEntryFrameGFX), 14 call Get2bpp ret InitMapNameFrame: hlcoord 0, 0 ld b, 2 ld c, 18 call InitMapSignAttrmap call PlaceMapNameFrame ret PlaceMapNameCenterAlign: ld a, [wCurLandmark] ld e, a farcall GetLandmarkName call .GetNameLength ld a, SCREEN_WIDTH sub c srl a ld b, $0 ld c, a hlcoord 0, 2 add hl, bc ld de, wStringBuffer1 call PlaceString ret .GetNameLength: ld c, 0 push hl ld hl, wStringBuffer1 .loop ld a, [hli] cp "@" jr z, .stop cp "%" jr z, .loop inc c jr .loop .stop pop hl ret InitMapSignAttrmap: ld de, wAttrmap - wTilemap add hl, de inc b inc b inc c inc c ld a, PAL_BG_TEXT | PRIORITY .loop push bc push hl .inner_loop ld [hli], a dec c jr nz, .inner_loop pop hl ld de, SCREEN_WIDTH add hl, de pop bc dec b jr nz, .loop ret PlaceMapNameFrame: hlcoord 0, 0 ; top left ld a, MAP_NAME_SIGN_START + 1 ld [hli], a ; top row ld a, MAP_NAME_SIGN_START + 2 call .FillTopBottom ; top right ld a, MAP_NAME_SIGN_START + 4 ld [hli], a ; left, first line ld a, MAP_NAME_SIGN_START + 5 ld [hli], a ; first line call .FillMiddle ; right, first line ld a, MAP_NAME_SIGN_START + 11 ld [hli], a ; left, second line ld a, MAP_NAME_SIGN_START + 6 ld [hli], a ; second line call .FillMiddle ; right, second line ld a, MAP_NAME_SIGN_START + 12 ld [hli], a ; bottom left ld a, MAP_NAME_SIGN_START + 7 ld [hli], a ; bottom ld a, MAP_NAME_SIGN_START + 8 call .FillTopBottom ; bottom right ld a, MAP_NAME_SIGN_START + 10 ld [hl], a ret .FillMiddle: ld c, SCREEN_WIDTH - 2 ld a, MAP_NAME_SIGN_START + 13 .loop ld [hli], a dec c jr nz, .loop ret .FillTopBottom: ld c, (SCREEN_WIDTH - 2) / 4 + 1 jr .enterloop .continueloop ld [hli], a ld [hli], a .enterloop inc a ld [hli], a ld [hli], a dec a dec c jr nz, .continueloop ret