q13x-eaglerproxy/server/proxy/packets/CSSetSkinPacket.js

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;
        }
    }
}