gb-tarot/ScreenCardRead.inc

187 lines
4.9 KiB
PHP

; screen variables
DEF vPreviousCardIndex EQU SCREEN_VARS_START+16
ScreenCardRead:
dw CardReadSetup
dw CardReadUpdate
dw CardReadDraw
dw CardReadTeardown
CardReadSetup:
ld a, 1
ld [vBlocked], a
ld hl, CardReadSetupAsyncTask
call Async_Spawn_HL
ret
CardReadSetupAsyncTask:
ld hl, UITilemap ; origin
ld de, $9800 ; destination
ld b, 18 ; height
ld c, 20 ; width
call CopyTilesToMapUnsafe
call ChangedCardTask
ret
CardReadUpdate:
ld hl, vTime
ld a, [rDELTAT]
ld b, a
ld a, [vTime]
add a, b
ld [vTime], a
ld a, [vTime+1]
adc a, 0
ld [vTime+1], a ; increment time. when the 16bit time register is greater
; than 4096 ($10_00) then one second has passed. so that's satisfied when
; vTime+1 is equal to or greater than $10
ld a, [vTime+1]
cp a, $01
jp c, .doneTimer ; if the timer is less than $0100, skip to end
;otherwise reset the timer
ld a, 0
ld [vTime], a
ld [vTime+1], a
ld hl, SquaresTiles
ld a, [vFrameCountSquares]
inc a
call ArrayClampLooping
ld [vFrameCountSquares], a
.doneTimer
ld hl, rMYBTNP
bit 4, [hl]
jp z, .doneWithB
ld hl, ScreenSpreadSelect
call ChangeScene
ret
.doneWithB
ld a, [vSelectedSpreadCard]
ld hl, rMYBTNP
bit 1, [hl]
jp z, :+ ; skip the following code if left is not pressed
dec a
:
bit 0, [hl]
jp z, :+ ; skip the following code if right is not pressed
inc a
:
ld [vSelectedSpreadCard], a
ld a, [vCurrentSpread]
ld l, a
ld a, [vCurrentSpread+1]
ld h, a
ld a, [vSelectedSpreadCard]
call ArrayClampLooping
ld [vSelectedSpreadCard], a
ld hl, vPreviousSpreadCard
cp a, [hl]
ret z ; if the selected card diddn't change, nothing to do
ld a, [vBlocked]
cp a, 0
ret nz
ld a, 1
ld [vBlocked], a
ld hl, ChangedCardTask
call Async_Spawn_HL
ret
CardReadDraw:
ld hl, SquaresTiles
inc hl
ld b, 0
ld a, [vFrameCountSquares]
ld c, a
add hl, bc
add hl, bc
ld c, [hl]
inc hl
ld b, [hl]
ld h, b
ld l, c
ld de, $8000+$100*16 + 1*16
ld bc, (SquaresTileset8 - SquaresTileset7) / 8
call CopyRangeUnsafeBy8s
; the card data is loaded asynchronously, initiated in CardReadUpdate
ret
CardReadTeardown:
ret
ChangedCardTask:
ld a, [vSelectedSpreadCard]
ld [vPreviousSpreadCard], a
ld a, [vCurrentSpread]
ld c, a
ld a, [vCurrentSpread+1]
ld b, a ; gett bc as cuurrent spread address
ld hl, $9800 + (32*1)+11
ld a, [vSelectedSpreadCard]
call DrawSpreadMinimap
ld a, [vCurrentSpread]
ld l, a
ld a, [vCurrentSpread+1]
ld h, a
call PassList ; skip spread layout
ld a, [vSelectedSpreadCard]
or a, a
.loopThroughSpreadPositions
jp z, .foundSpreadPositionDescription
call PassList
call PassList
dec a
jp .loopThroughSpreadPositions
.foundSpreadPositionDescription
ld de, $9800 + 32*5 + 11
call PrintString
ld de, $9800 + 32*6 + 11
call PrintString
ld hl, SHUFFLED_DECK+1
ld a, [vSelectedSpreadCard]
ld c, a
ld b, 0
add hl, bc
ld a, [hl]
ld [vSelectedCardIndex], a
ld [vPreviousCardIndex], a
call LoadCardData
ld a, 0
ld [vBlocked], a
ret
UITilemap:
db $0e, $0a, $0a, $0a, $0a, $0a, $0a, $0a, $0a, $0f, $09, $02, $02, $02, $02, $02, $02, $02, $08, $01
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $03, $00, $00, $00, $00, $00, $00, $00, $04, $01
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $03, $00, $00, $00, $00, $00, $00, $00, $04, $01
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $03, $00, $00, $00, $00, $00, $00, $00, $04, $01
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $03, $00, $00, $00, $00, $00, $00, $00, $04, $01
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $03, $00, $00, $00, $00, $00, $00, $00, $04, $01
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $03, $00, $00, $00, $00, $00, $00, $00, $04, $01
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $06, $05, $05, $05, $05, $05, $05, $05, $07, $01
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $02, $02, $02, $02, $02, $02, $02, $02, $02, $02
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
db $11, $0d, $0d, $0d, $0d, $0d, $0d, $0d, $0d, $10, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
UITilemapEnd: