zsoltk

internal object CardsOnScreenResolver : OnScreenStateResolver<State> {
    override fun isOnScreen(state: State): Boolean =
        when (state) {
            is State.Bottom,
            is State.Top -> true
            is State.Queued,
            is State.VoteLike,
            is State.VotePass -> false
        }
}

zsoltk

sealed class State {
    // Prepared but not displayed yet
    data class Queued(val queueNumber: Int) : State()
    
    // Visible below top card
    object Bottom : State()
    
    // The main card
    object Top : State()
    

zsoltk

class Cards<T : Any>(
    initialItems: List<T> = listOf(),
) : BaseNavModel<T, State>(
    screenResolver = CardsOnScreenResolver,  // <- What's on screen?
    finalStates = setOf(VoteLike, VotePass), // <- What's destroyed?
    savedStateMap = null
)

zsoltk

fun State.next(): State =
    when (this) {
        is Queued -> if (queueNumber == 0) Bottom else Queued(queueNumber - 1)
        is Bottom -> Top
        else -> this
    }

zsoltk

@Composable
fun Game() {
    Column {
        Moves()
        CapturedPieces(WHITE)
        Board()
        CapturedPieces(BLACK)
        Controls()
    }
}

zsoltk

data class SquareRenderProperties(
    val position: Position,
    val isHighlighted: Boolean,
    val clickable: Boolean,
    val onClick: () -> Unit,
    val isPossibleMoveWithoutCapture: Boolean,
    val isPossibleCapture: Boolean,
    val boardProperties: BoardRenderProperties
)

zsoltk

val fromPosition = properties.fromState.board.find(piece)?.position
val currentOffset = fromPosition
    ?.toCoordinate(properties.isFlipped)
    ?.toOffset(properties.squareSize)
    
val targetOffset = toPosition
    .toCoordinate(properties.isFlipped)
    .toOffset(properties.squareSize)

zsoltk

val datapoint = remember(viz, properties) { 
    viz.dataPointAt(
        properties.position,
        properties.boardProperties.toState
    )
}

zsoltk

@Composable
override fun render(properties: SquareRenderProperties) {
    ActiveDatasetVisualisation.current.let { viz ->
        val datapoint = viz.dataPointAt(
            properties.position,
            properties.boardProperties.toState
        )
        
        //...
    }

zsoltk

object DatasetVisualiser : SquareDecoration {

    @Composable
    override fun render(properties: SquareRenderProperties) {
        ActiveDatasetVisualisation.current.let { viz ->
            val datapoint = viz.dataPointAt(
                properties.position,
                properties.boardProperties.toState
            )