56 lines
2.2 KiB
Kotlin
56 lines
2.2 KiB
Kotlin
package net.shadowfacts.phycon.networking
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import net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
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import net.fabricmc.fabric.api.networking.v1.PacketByteBufs
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import net.fabricmc.fabric.api.networking.v1.PacketSender
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import net.minecraft.item.ItemStack
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import net.minecraft.network.Packet
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import net.minecraft.network.PacketByteBuf
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import net.minecraft.server.MinecraftServer
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import net.minecraft.server.network.ServerPlayNetworkHandler
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import net.minecraft.server.network.ServerPlayerEntity
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import net.minecraft.util.Identifier
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import net.minecraft.util.registry.Registry
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import net.minecraft.util.registry.RegistryKey
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import net.shadowfacts.phycon.PhysicalConnectivity
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import net.shadowfacts.phycon.block.terminal.AbstractTerminalBlockEntity
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import net.shadowfacts.phycon.util.readItemStackWithoutCount
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import net.shadowfacts.phycon.util.writeItemStackWithoutCount
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/**
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* @author shadowfacts
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*/
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object C2STerminalRequestItem: ServerReceiver {
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override val CHANNEL = Identifier(PhysicalConnectivity.MODID, "terminal_request_item")
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operator fun invoke(terminal: AbstractTerminalBlockEntity, stack: ItemStack, amount: Int): Packet<*> {
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val buf = PacketByteBufs.create()
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buf.writeIdentifier(terminal.world!!.registryKey.value)
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buf.writeBlockPos(terminal.pos)
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// Don't send the count of the fake stack when sending over the network because
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// PacketByteBuf serializes the stack count as a byte. Otherwise counts > 127 will result in
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// an overflow and be negative on the receiving side.
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buf.writeItemStackWithoutCount(stack)
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buf.writeVarInt(amount)
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return ClientPlayNetworking.createC2SPacket(CHANNEL, buf)
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}
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override fun receive(server: MinecraftServer, player: ServerPlayerEntity, handler: ServerPlayNetworkHandler, buf: PacketByteBuf, responseSender: PacketSender) {
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val dimID = buf.readIdentifier()
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val pos = buf.readBlockPos()
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val stack = buf.readItemStackWithoutCount()
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val amount = buf.readVarInt()
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server.execute {
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val key = RegistryKey.of(Registry.WORLD_KEY, dimID)
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val world = server.getWorld(key) ?: return@execute
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val terminal = world.getBlockEntity(pos) as? AbstractTerminalBlockEntity ?: return@execute
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terminal.requestItem(stack, amount)
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}
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}
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}
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