ref: 50ce0a219ef291099aa3aa43a177bcea2807d97b
dir: /engine/options_menu.asm/
_OptionsMenu: ; e41d0 ld hl, hInMenu ld a, [hl] push af ld [hl], $1 call ClearBGPalettes hlcoord 0, 0 ld b, 16 ld c, 18 call TextBox hlcoord 2, 2 ld de, StringOptions call PlaceString xor a ld [wJumptableIndex], a ld c, $6 ; number of items on the menu minus 1 (for cancel) .print_text_loop ; this next will display the settings of each option when the menu is opened push bc xor a ld [hJoyLast], a call GetOptionPointer pop bc ld hl, wJumptableIndex inc [hl] dec c jr nz, .print_text_loop call UpdateFrame xor a ld [wJumptableIndex], a inc a ld [hBGMapMode], a call WaitBGMap ld b, SCGB_DIPLOMA call GetSGBLayout call SetPalettes .joypad_loop call JoyTextDelay ld a, [hJoyPressed] and START | B_BUTTON jr nz, .ExitOptions call OptionsControl jr c, .dpad call GetOptionPointer jr c, .ExitOptions .dpad call Options_UpdateCursorPosition ld c, 3 call DelayFrames jr .joypad_loop .ExitOptions: ld de, SFX_TRANSACTION call PlaySFX call WaitSFX pop af ld [hInMenu], a ret ; e4241 StringOptions: ; e4241 db "TEXT SPEED<LNBRK>" db " :<LNBRK>" db "BATTLE SCENE<LNBRK>" db " :<LNBRK>" db "BATTLE STYLE<LNBRK>" db " :<LNBRK>" db "SOUND<LNBRK>" db " :<LNBRK>" db "PRINT<LNBRK>" db " :<LNBRK>" db "MENU ACCOUNT<LNBRK>" db " :<LNBRK>" db "FRAME<LNBRK>" db " :TYPE<LNBRK>" db "CANCEL@" ; e42d6 GetOptionPointer: ; e42d6 ld a, [wJumptableIndex] ; load the cursor position to a ld e, a ; copy it to de ld d, 0 ld hl, .Pointers add hl, de add hl, de ld a, [hli] ld h, [hl] ld l, a jp hl ; jump to the code of the current highlighted item ; e42e5 .Pointers: dw Options_TextSpeed dw Options_BattleScene dw Options_BattleStyle dw Options_Sound dw Options_Print dw Options_MenuAccount dw Options_Frame dw Options_Cancel ; e42f5 const_def const OPT_TEXT_SPEED_FAST ; 0 const OPT_TEXT_SPEED_MED ; 1 const OPT_TEXT_SPEED_SLOW ; 2 Options_TextSpeed: ; e42f5 call GetTextSpeed ld a, [hJoyPressed] bit D_LEFT_F, a jr nz, .LeftPressed bit D_RIGHT_F, a jr z, .NonePressed ld a, c ; right pressed cp OPT_TEXT_SPEED_SLOW jr c, .Increase ld c, OPT_TEXT_SPEED_FAST +- 1 .Increase: inc c ld a, e jr .Save .LeftPressed: ld a, c and a jr nz, .Decrease ld c, OPT_TEXT_SPEED_SLOW + 1 .Decrease: dec c ld a, d .Save: ld b, a ld a, [Options] and $f0 or b ld [Options], a .NonePressed: ld b, 0 ld hl, .Strings add hl, bc add hl, bc ld e, [hl] inc hl ld d, [hl] hlcoord 11, 3 call PlaceString and a ret ; e4331 .Strings: ; entries correspond to OPT_TEXT_SPEED_* constants dw .Fast dw .Mid dw .Slow .Fast: db "FAST@" .Mid: db "MID @" .Slow: db "SLOW@" ; e4346 GetTextSpeed: ; e4346 ; converts TEXT_DELAY_* value in a to OPT_TEXT_SPEED_* value in c, ; with previous/next TEXT_DELAY_* values in d/e ld a, [Options] and $7 cp TEXT_DELAY_SLOW jr z, .slow cp TEXT_DELAY_FAST jr z, .fast ; none of the above ld c, OPT_TEXT_SPEED_MED lb de, TEXT_DELAY_FAST, TEXT_DELAY_SLOW ret .slow ld c, OPT_TEXT_SPEED_SLOW lb de, TEXT_DELAY_MED, TEXT_DELAY_FAST ret .fast ld c, OPT_TEXT_SPEED_FAST lb de, TEXT_DELAY_SLOW, TEXT_DELAY_MED ret ; e4365 Options_BattleScene: ; e4365 ld hl, Options ld a, [hJoyPressed] bit D_LEFT_F, a jr nz, .LeftPressed bit D_RIGHT_F, a jr z, .NonePressed bit BATTLE_SCENE, [hl] jr nz, .ToggleOn jr .ToggleOff .LeftPressed: bit BATTLE_SCENE, [hl] jr z, .ToggleOff jr .ToggleOn .NonePressed: bit BATTLE_SCENE, [hl] jr z, .ToggleOn jr .ToggleOff .ToggleOn: res BATTLE_SCENE, [hl] ld de, .On jr .Display .ToggleOff: set BATTLE_SCENE, [hl] ld de, .Off .Display: hlcoord 11, 5 call PlaceString and a ret ; e4398 .On: db "ON @" .Off: db "OFF@" ; e43a0 Options_BattleStyle: ; e43a0 ld hl, Options ld a, [hJoyPressed] bit D_LEFT_F, a jr nz, .LeftPressed bit D_RIGHT_F, a jr z, .NonePressed bit BATTLE_SHIFT, [hl] jr nz, .ToggleShift jr .ToggleSet .LeftPressed: bit BATTLE_SHIFT, [hl] jr z, .ToggleSet jr .ToggleShift .NonePressed: bit BATTLE_SHIFT, [hl] jr nz, .ToggleSet .ToggleShift: res BATTLE_SHIFT, [hl] ld de, .Shift jr .Display .ToggleSet: set BATTLE_SHIFT, [hl] ld de, .Set .Display: hlcoord 11, 7 call PlaceString and a ret ; e43d1 .Shift: db "SHIFT@" .Set: db "SET @" ; e43dd Options_Sound: ; e43dd ld hl, Options ld a, [hJoyPressed] bit D_LEFT_F, a jr nz, .LeftPressed bit D_RIGHT_F, a jr z, .NonePressed bit STEREO, [hl] jr nz, .SetMono jr .SetStereo .LeftPressed: bit STEREO, [hl] jr z, .SetStereo jr .SetMono .NonePressed: bit STEREO, [hl] jr nz, .ToggleStereo jr .ToggleMono .SetMono: res STEREO, [hl] call RestartMapMusic .ToggleMono: ld de, .Mono jr .Display .SetStereo: set STEREO, [hl] call RestartMapMusic .ToggleStereo: ld de, .Stereo .Display: hlcoord 11, 9 call PlaceString and a ret ; e4416 .Mono: db "MONO @" .Stereo: db "STEREO@" ; e4424 const_def const OPT_PRINT_LIGHTEST ; 0 const OPT_PRINT_LIGHTER ; 1 const OPT_PRINT_NORMAL ; 2 const OPT_PRINT_DARKER ; 3 const OPT_PRINT_DARKEST ; 4 Options_Print: ; e4424 call GetPrinterSetting ld a, [hJoyPressed] bit D_LEFT_F, a jr nz, .LeftPressed bit D_RIGHT_F, a jr z, .NonePressed ld a, c cp OPT_PRINT_DARKEST jr c, .Increase ld c, OPT_PRINT_LIGHTEST - 1 .Increase: inc c ld a, e jr .Save .LeftPressed: ld a, c and a jr nz, .Decrease ld c, OPT_PRINT_DARKEST + 1 .Decrease: dec c ld a, d .Save: ld b, a ld [GBPrinter], a .NonePressed: ld b, $0 ld hl, .Strings add hl, bc add hl, bc ld e, [hl] inc hl ld d, [hl] hlcoord 11, 11 call PlaceString and a ret ; e445a .Strings: ; entries correspond to OPT_PRINT_* constants dw .Lightest dw .Lighter dw .Normal dw .Darker dw .Darkest .Lightest: db "LIGHTEST@" .Lighter: db "LIGHTER @" .Normal: db "NORMAL @" .Darker: db "DARKER @" .Darkest: db "DARKEST @" ; e4491 GetPrinterSetting: ; e4491 ; converts GBPRINTER_* value in a to OPT_PRINT_* value in c, ; with previous/next GBPRINTER_* values in d/e ld a, [GBPrinter] and a jr z, .IsLightest cp GBPRINTER_LIGHTER jr z, .IsLight cp GBPRINTER_DARKER jr z, .IsDark cp GBPRINTER_DARKEST jr z, .IsDarkest ; none of the above ld c, OPT_PRINT_NORMAL lb de, GBPRINTER_LIGHTER, GBPRINTER_DARKER ret .IsLightest: ld c, OPT_PRINT_LIGHTEST lb de, GBPRINTER_DARKEST, GBPRINTER_LIGHTER ret .IsLight: ld c, OPT_PRINT_LIGHTER lb de, GBPRINTER_LIGHTEST, GBPRINTER_NORMAL ret .IsDark: ld c, OPT_PRINT_DARKER lb de, GBPRINTER_NORMAL, GBPRINTER_DARKEST ret .IsDarkest: ld c, OPT_PRINT_DARKEST lb de, GBPRINTER_DARKER, GBPRINTER_LIGHTEST ret ; e44c1 Options_MenuAccount: ; e44c1 ld hl, Options2 ld a, [hJoyPressed] bit D_LEFT_F, a jr nz, .LeftPressed bit D_RIGHT_F, a jr z, .NonePressed bit MENU_ACCOUNT, [hl] jr nz, .ToggleOff jr .ToggleOn .LeftPressed: bit MENU_ACCOUNT, [hl] jr z, .ToggleOn jr .ToggleOff .NonePressed: bit MENU_ACCOUNT, [hl] jr nz, .ToggleOn .ToggleOff: res MENU_ACCOUNT, [hl] ld de, .Off jr .Display .ToggleOn: set MENU_ACCOUNT, [hl] ld de, .On .Display: hlcoord 11, 13 call PlaceString and a ret ; e44f2 .Off: db "OFF@" .On: db "ON @" ; e44fa Options_Frame: ; e44fa ld hl, TextBoxFrame ld a, [hJoyPressed] bit D_LEFT_F, a jr nz, .LeftPressed bit D_RIGHT_F, a jr nz, .RightPressed and a ret .RightPressed: ld a, [hl] inc a jr .Save .LeftPressed: ld a, [hl] dec a .Save: and $7 ld [hl], a UpdateFrame: ; e4512 ld a, [TextBoxFrame] hlcoord 16, 15 ; where on the screen the number is drawn add "1" ld [hl], a call LoadFontsExtra and a ret ; e4520 Options_Cancel: ; e4520 ld a, [hJoyPressed] and A_BUTTON jr nz, .Exit and a ret .Exit: scf ret ; e452a OptionsControl: ; e452a ld hl, wJumptableIndex ld a, [hJoyLast] cp D_DOWN jr z, .DownPressed cp D_UP jr z, .UpPressed and a ret .DownPressed: ld a, [hl] ; load the cursor position to a cp $7 ; maximum number of items in option menu jr nz, .CheckFive ld [hl], $0 scf ret .CheckFive: ; I have no idea why this exists... cp $5 jr nz, .Increase ld [hl], $5 .Increase: inc [hl] scf ret .UpPressed: ld a, [hl] cp $6 jr nz, .NotSix ld [hl], $5 ; Another thing where I'm not sure why it exists scf ret .NotSix: and a jr nz, .Decrease ld [hl], $8 ; number of option items +1 .Decrease: dec [hl] scf ret ; e455c Options_UpdateCursorPosition: ; e455c hlcoord 1, 1 ld de, SCREEN_WIDTH ld c, $10 .loop ld [hl], " " add hl, de dec c jr nz, .loop hlcoord 1, 2 ld bc, 2 * SCREEN_WIDTH ld a, [wJumptableIndex] call AddNTimes ld [hl], "▶" ret ; e4579