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Improve Miner handling of excess items

This commit is contained in:
Shadowfacts 2021-02-17 22:39:37 -05:00
parent 7034ce11ef
commit a88eda357c
Signed by: shadowfacts
GPG Key ID: 94A5AB95422746E5
2 changed files with 32 additions and 8 deletions
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28
src/main/kotlin/net/shadowfacts/phycon/network/block/miner/MinerBlockEntity.kt
View File

@ -14,7 +14,11 @@ import net.shadowfacts.phycon.api.packet.Packet
import net.shadowfacts.phycon.api.util.IPAddress
import net.shadowfacts.phycon.init.PhyBlockEntities
import net.shadowfacts.phycon.network.DeviceBlockEntity
import net.shadowfacts.phycon.network.block.terminal.TerminalBlockEntity
import net.shadowfacts.phycon.network.component.NetworkStackDispatcher
import net.shadowfacts.phycon.network.component.NetworkStackProvider
import net.shadowfacts.phycon.network.component.handleItemStack
import net.shadowfacts.phycon.network.component.spawnItemStack
import net.shadowfacts.phycon.network.packet.*
import kotlin.math.min
@ -22,18 +26,24 @@ import kotlin.math.min
* @author shadowfacts
*/
class MinerBlockEntity: DeviceBlockEntity(PhyBlockEntities.MINER),
NetworkStackProvider {
NetworkStackProvider,
NetworkStackDispatcher<MinerBlockEntity.PendingInsertion> {
private val facing: Direction
get() = cachedState[MinerBlock.FACING]
private val invProxy = MinerInvProxy(this)
override val pendingInsertions = mutableListOf<PendingInsertion>()
override val dispatchStackTimeout = TerminalBlockEntity.INSERTION_TIMEOUT
override fun handle(packet: Packet) {
when (packet) {
is RequestInventoryPacket -> handleRequestInventory(packet)
is LocateStackPacket -> handleLocateStack(packet)
is ExtractStackPacket -> handleExtractStack(packet)
is CapacityPacket -> handleCapacity(packet)
is ItemStackPacket -> handleItemStack(packet)
}
}
@ -50,7 +60,7 @@ class MinerBlockEntity: DeviceBlockEntity(PhyBlockEntities.MINER),
private fun handleExtractStack(packet: ExtractStackPacket) {
// always recalculate immediately before breaking
val drops = invProxy.getDrops(true)
val drops = invProxy.getDrops(recalculate = true)
if (invProxy.getAmount(packet.stack) > 0) {
world!!.breakBlock(pos.offset(facing), false)
@ -77,11 +87,18 @@ class MinerBlockEntity: DeviceBlockEntity(PhyBlockEntities.MINER),
// dump any remaining drops into the network
for (droppedStack in drops) {
if (droppedStack.isEmpty) continue
sendPacket(ItemStackPacket(droppedStack, ipAddress, IPAddress.BROADCAST))
dispatchItemStack(droppedStack)
}
}
}
override fun doHandleItemStack(packet: ItemStackPacket): ItemStack {
// miner can't receive stacks, so remaining is the entire packet stack
return packet.stack
}
override fun createPendingInsertion(stack: ItemStack) = PendingInsertion(stack, counter)
class MinerInvProxy(val miner: MinerBlockEntity): GroupedItemInvView {
private var cachedState: BlockState? = null
private var cachedDrops: List<ItemStack>? = null
@ -96,7 +113,7 @@ class MinerBlockEntity: DeviceBlockEntity(PhyBlockEntities.MINER),
fun getDrops(recalculate: Boolean = false): List<ItemStack> {
val targetPos = pos.offset(facing)
val realState = world.getBlockState(targetPos)
// todo: does BlockState.equals actually work?
// todo: does BlockState.equals actually work or is reference equality fine for BlockStates?
if (cachedDrops == null || realState != cachedState || recalculate) {
cachedState = realState
val be = if (realState.block.hasBlockEntity()) world.getBlockEntity(targetPos) else null
@ -124,4 +141,7 @@ class MinerBlockEntity: DeviceBlockEntity(PhyBlockEntities.MINER),
}
}
class PendingInsertion(stack: ItemStack, timestamp: Long): NetworkStackDispatcher.PendingInsertion<PendingInsertion>(stack, timestamp) {
}
}

12
src/main/kotlin/net/shadowfacts/phycon/network/component/ItemStackPacketHandler.kt
View File

@ -14,13 +14,11 @@ interface ItemStackPacketHandler: PacketSink, PacketSource {
fun doHandleItemStack(packet: ItemStackPacket): ItemStack
}
fun <BE> BE.handleItemStack(packet: ItemStackPacket) where BE: BlockEntity, BE: ItemStackPacketHandler {
fun <Self> Self.handleItemStack(packet: ItemStackPacket) where Self: BlockEntity, Self: ItemStackPacketHandler {
// todo: is 5 a good number?
// the max bounce count should always be odd, so the item is spawned in-world at the
if (packet.bounceCount == 5) {
// todo: calculate entity spawn point by finding non-obstructed location
val entity = ItemEntity(world!!, pos.x.toDouble(), pos.y + 1.0, pos.z.toDouble(), packet.stack)
world!!.spawnEntity(entity)
spawnItemStack(packet.stack)
return
}
val remainder = doHandleItemStack(packet)
@ -29,3 +27,9 @@ fun <BE> BE.handleItemStack(packet: ItemStackPacket) where BE: BlockEntity, BE:
sendPacket(ItemStackPacket(remainder, packet.bounceCount + 1, ipAddress, packet.source))
}
}
fun <Self> Self.spawnItemStack(stack: ItemStack) where Self: BlockEntity, Self: ItemStackPacketHandler {
// todo: calculate entity spawn point by finding non-obstructed location
val entity = ItemEntity(world!!, pos.x.toDouble(), pos.y + 1.0, pos.z.toDouble(), stack)
world!!.spawnEntity(entity)
}