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package io.dico.parcels2.blockvisitor
import io.dico.parcels2.util.Region
import io.dico.parcels2.util.Vec3i
import io.dico.parcels2.util.get
import org.bukkit.Bukkit
import org.bukkit.Material
import org.bukkit.World
import org.bukkit.block.data.BlockData
private val air = Bukkit.createBlockData(Material.AIR)
// TODO order paste such that attachables are placed after the block they depend on
class Schematic {
val size: Vec3i get() = _size!!
private var _size: Vec3i? = null
set(value) {
field?.let { throw IllegalStateException() }
field = value
}
private var blockDatas: Array<BlockData?>? = null
//private var extra: Map<Vec3i, (Block) -> Unit>? = null
private var isLoaded = false; private set
private val traverser: RegionTraverser = RegionTraverser.upward
fun getLoadTask(world: World, region: Region): TimeLimitedTask = {
_size = region.size
val data = arrayOfNulls<BlockData>(region.blockCount).also { blockDatas = it }
//val extra = mutableMapOf<Vec3i, (Block) -> Unit>().also { extra = it }
val blocks = traverser.traverseRegion(region)
for ((index, vec) in blocks.withIndex()) {
markSuspensionPoint()
val block = world[vec]
if (block.y > 255) continue
val blockData = block.blockData
data[index] = blockData
}
isLoaded = true
}
fun getPasteTask(world: World, position: Vec3i): TimeLimitedTask = {
if (!isLoaded) throw IllegalStateException()
val region = Region(position, _size!!)
val blocks = traverser.traverseRegion(region, worldHeight = world.maxHeight)
val blockDatas = blockDatas!!
val postponed = mutableListOf<Pair<Vec3i, BlockData>>()
for ((index, vec) in blocks.withIndex()) {
markSuspensionPoint()
val block = world[vec]
val type = blockDatas[index] ?: air
if (type !== air && isAttachable(type.material)) {
postponed += vec to type
} else {
block.blockData = type
}
}
for ((vec, data) in postponed) {
}
}
}
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