chess-knights-move-count.kt

@Parcelize
object KnightsMoveCount : DatasetVisualisation {

    override val name = R.string.viz_knight_move_count

    override val minValue: Int = 2

    override val maxValue: Int = 8

    override fun dataPointAt(position: Position, state: GameSnapshotState): Datapoint {
        val value = valueAt(position)
        return Datapoint(
            value = value,
            label = value.toString(),
            colorScale = Color.DarkGray to Color.Green
        )
    }

    private fun valueAt(position: Position): Int =
        when(position) {
            a1 -> 2
            b1 -> 3
            c1 -> 4
            d1 -> 4
            e1 -> 4
            f1 -> 4
            g1 -> 3
            h1 -> 2
            // ... etc.
        }
}