49 lines
1.3 KiB
TypeScript
49 lines
1.3 KiB
TypeScript
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import { createWriter, IReader, Endian } from "bufferstuff";
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import { IPacket } from "./IPacket";
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import { Packet } from "../enums/Packet";
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const MOTION_MAX = 3.9;
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function maxMotion(value:number) {
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if (value < -MOTION_MAX) {
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value = -MOTION_MAX;
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} else if (value > MOTION_MAX) {
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value = MOTION_MAX;
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}
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return value;
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}
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export class PacketEntityVelocity implements IPacket {
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public packetId = Packet.EntityVelocity;
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public entityId:number;
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public x:number;
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public y:number;
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public z:number;
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public constructor(entityId?:number, x?:number, y?:number, z?:number) {
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if (typeof(entityId) == "number" && typeof(x) === "number" && typeof(y) === "number" && typeof(z) === "number") {
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this.entityId = entityId;
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this.x = maxMotion(x) * 8000;
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this.y = maxMotion(y) * 8000;
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this.z = maxMotion(z) * 8000;
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} else {
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this.entityId = Number.MIN_VALUE;
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this.x = Number.MIN_VALUE;
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this.y = Number.MIN_VALUE;
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this.z = Number.MIN_VALUE;
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}
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}
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public readData(reader:IReader) {
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this.entityId = reader.readInt();
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this.x = reader.readShort() / 8000;
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this.y = reader.readShort() / 8000;
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this.z = reader.readShort() / 8000;
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return this;
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}
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public writeData() {
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return createWriter(Endian.BE, 11).writeUByte(this.packetId).writeInt(this.entityId).writeShort(this.x).writeShort(this.y).writeShort(this.z).toBuffer();
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}
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}
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