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com.valaphee.netcode.mcbe.network.packet.MapPacket.kt Maven / Gradle / Ivy
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Minecraft: Bedrock Edition Netcode
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/*
* Copyright (c) 2021-2022, Valaphee.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.valaphee.netcode.mcbe.network.packet
import com.valaphee.netcode.mcbe.network.Packet
import com.valaphee.netcode.mcbe.network.PacketBuffer
import com.valaphee.netcode.mcbe.network.PacketHandler
import com.valaphee.netcode.mcbe.network.Restrict
import com.valaphee.netcode.mcbe.network.Restriction
import com.valaphee.netcode.mcbe.world.Dimension
import com.valaphee.netcode.mcbe.world.map.Decoration
import com.valaphee.netcode.mcbe.world.map.TrackedObject
/**
* @author Kevin Ludwig
*/
@Restrict(Restriction.ToClient)
class MapPacket(
val mapId: Long,
val dimension: Dimension,
val locked: Boolean,
val trackedUniqueEntityIds: LongArray?,
val scale: Int = 0,
val trackedObjects: List?,
val decorations: List?,
val width: Int,
val height: Int,
val offsetX: Int,
val offsetY: Int,
val data: IntArray?
) : Packet() {
override val id get() = 0x43
override fun write(buffer: PacketBuffer, version: Int) {
buffer.writeVarLong(mapId)
var flagsValue = if (data?.isNotEmpty() == true) flagHasColor else 0 or if (decorations?.isNotEmpty() == true && trackedObjects?.isNotEmpty() == true) flagHasDecorationAndTrackedObjects else 0
buffer.writeVarUInt(flagsValue)
buffer.writeByte(dimension.ordinal)
buffer.writeBoolean(locked)
trackedUniqueEntityIds?.let {
if (it.isNotEmpty()) {
buffer.writeVarUInt(it.size)
it.forEach { buffer.writeVarLong(it) }
flagsValue = flagsValue or flagHasTrackedEntities
}
}
if (flagsValue and flagHasAll != 0) buffer.writeByte(scale)
if (flagsValue and flagHasDecorationAndTrackedObjects != 0) {
trackedObjects?.let {
buffer.writeVarUInt(it.size)
it.forEach {
buffer.writeIntLE(it.type.ordinal)
when (it.type) {
TrackedObject.Type.Entity -> buffer.writeVarLong(it.uniqueEntityId!!)
TrackedObject.Type.Block -> buffer.writeInt3UnsignedY(it.blockPosition!!)
}
}
} ?: buffer.writeVarUInt(0)
decorations?.let {
buffer.writeVarUInt(it.size)
it.forEach {
buffer.writeByte(it.type.ordinal)
buffer.writeByte(it.rotation.toInt())
buffer.writeByte(it.positionX.toInt())
buffer.writeByte(it.positionY.toInt())
buffer.writeString(it.label)
buffer.writeVarUInt(it.color)
}
} ?: buffer.writeVarUInt(0)
}
if (flagsValue and flagHasColor != 0) data!!.let {
buffer.writeVarInt(width)
buffer.writeVarInt(height)
buffer.writeVarInt(offsetX)
buffer.writeVarInt(offsetY)
buffer.writeVarUInt(it.size)
it.forEach(buffer::writeVarUInt)
}
}
override fun handle(handler: PacketHandler) = handler.map(this)
override fun toString() = "MapPacket(mapId=$mapId, dimension=$dimension, locked=$locked, trackedUniqueEntityIds=${trackedUniqueEntityIds?.contentToString()}, scale=$scale, trackedObjects=$trackedObjects, decorations=$decorations, width=$width, height=$height, offsetX=$offsetX, offsetY=$offsetY, data=)"
companion object {
internal const val flagHasColor = 1 shl 1
internal const val flagHasDecorationAndTrackedObjects = 1 shl 2
internal const val flagHasTrackedEntities = 1 shl 3
internal const val flagHasAll = flagHasColor or flagHasDecorationAndTrackedObjects or flagHasTrackedEntities
}
}
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