q13x-eaglerproxy/proxy/packets/CSSetSkinPacket.js

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2024-09-04 05:02:00 -07:00
import { Constants } from "../Constants.js";
import { Enums } from "../Enums.js";
import { MineProtocol } from "../Protocol.js";
export class CSSetSkinPacket {
packetId = Enums.PacketId.CSSetSkinPacket;
type = "packet";
boundTo = Enums.PacketBounds.S;
sentAfterHandshake = false;
version = "skin_v1";
skinType;
skinDimensions;
skin;
skinId;
serialize() {
if (this.skinType == Enums.SkinType.BUILTIN) {
return Buffer.concat([
Buffer.from([this.packetId]),
MineProtocol.writeString(this.version),
MineProtocol.writeVarInt(this.skinDimensions),
this.skin,
]);
}
else {
return Buffer.concat([
[this.packetId],
MineProtocol.writeString(this.version),
Constants.MAGIC_ENDING_CLIENT_UPLOAD_SKIN_BUILTIN,
[this.skinId],
].map((arr) => (arr instanceof Uint8Array ? arr : Buffer.from(arr))));
}
}
deserialize(packet) {
packet = packet.subarray(1);
const version = MineProtocol.readString(packet);
let skinType;
if (!Constants.MAGIC_ENDING_CLIENT_UPLOAD_SKIN_BUILTIN.some((byte, index) => byte !== version.newBuffer[index])) {
// built in
skinType = Enums.SkinType.BUILTIN;
const id = MineProtocol.readVarInt(version.newBuffer.subarray(Constants.MAGIC_ENDING_CLIENT_UPLOAD_SKIN_BUILTIN.length));
this.version = version.value;
this.skinType = skinType;
this.skinId = id.value;
return this;
}
else {
// custom
skinType = Enums.SkinType.CUSTOM;
const dimensions = MineProtocol.readVarInt(version.newBuffer), skin = dimensions.newBuffer.subarray(3).subarray(0, 16384);
this.version = version.value;
this.skinType = skinType;
this.skinDimensions = dimensions.value;
this.skin = skin;
return this;
}
}
}