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package moe.nea.firmament.apis.ingame
import net.minecraft.network.PacketByteBuf
import net.minecraft.network.codec.PacketCodec
import net.minecraft.network.packet.CustomPayload
class InGameCodecWrapper(
val wrapped: PacketCodec<PacketByteBuf, CustomPayload>,
val direction: Direction,
) : PacketCodec<PacketByteBuf, CustomPayload> {
enum class Direction {
S2C,
C2S,
;
var customCodec: PacketCodec<PacketByteBuf, FirmamentCustomPayload> = createStealthyCodec()
}
companion object {
fun createStealthyCodec(vararg codecs: CustomPayload.Type<PacketByteBuf, out FirmamentCustomPayload>): PacketCodec<PacketByteBuf, FirmamentCustomPayload> {
return CustomPayload.createCodec(
{ FirmamentCustomPayload.Unhandled.createCodec(it) },
codecs.toList()
) as PacketCodec<PacketByteBuf, FirmamentCustomPayload>
}
}
override fun decode(buf: PacketByteBuf): CustomPayload {
val duplicateBuffer = PacketByteBuf(buf.slice())
val original = wrapped.decode(buf)
buf.skipBytes(buf.readableBytes())
val duplicate = runCatching { direction.customCodec.decode(duplicateBuffer) }
.getOrNull()
if (duplicate is FirmamentCustomPayload.Unhandled || duplicate == null)
return original
return JoinedCustomPayload(original, duplicate)
}
override fun encode(buf: PacketByteBuf, value: CustomPayload) {
if (value is FirmamentCustomPayload) {
direction.customCodec.encode(buf, value)
} else {
wrapped.encode(buf, value)
}
}
}
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