Add Packets DestroyEntity and EntityVelocity

server/enums/Packet.ts

@@ -22,6 +22,9 @@ export enum Packet {
 	EntityAction = 0x13,
 	NamedEntitySpawn = 0x14,
 
+	EntityVelocity = 0x1C,
+	DestroyEntity = 0x1D,
+
 	EntityStatus = 0x26,
 	EntityMetadata = 0x28,
 	

server/packets/DestroyEntity.ts

@@ -0,0 +1,25 @@
+import { createWriter, IReader, Endian } from "bufferstuff";
+import { IPacket } from "./IPacket";
+import { Packet } from "../enums/Packet";
+
+export class PacketDestroyEntity implements IPacket {
+	public packetId = Packet.DestroyEntity;
+	public entityId:number;
+
+	public constructor(entityId?:number) {
+		if (typeof(entityId) === "number") {
+			this.entityId = entityId;
+		} else {
+			this.entityId = Number.MIN_VALUE;
+		}
+	}
+
+	public readData(reader:IReader) {
+		this.entityId = reader.readInt();
+		return this;
+	}
+
+	public writeData() {
+		return createWriter(Endian.BE, 5).writeUByte(this.packetId).writeInt(this.entityId).toBuffer();
+	}
+}

server/packets/EntityVelocity.ts

@@ -0,0 +1,49 @@
+import { createWriter, IReader, Endian } from "bufferstuff";
+import { IPacket } from "./IPacket";
+import { Packet } from "../enums/Packet";
+
+const MOTION_MAX = 3.9;
+function maxMotion(value:number) {
+	if (value < -MOTION_MAX) {
+		value = -MOTION_MAX;
+	} else if (value > MOTION_MAX) {
+		value = MOTION_MAX;
+	}
+
+	return value;
+}
+
+export class PacketEntityVelocity implements IPacket {
+	public packetId = Packet.EntityVelocity;
+	public entityId:number;
+	public x:number;
+	public y:number;
+	public z:number;
+
+	public constructor(entityId?:number, x?:number, y?:number, z?:number) {
+		if (typeof(entityId) == "number" && typeof(x) === "number" && typeof(y) === "number" && typeof(z) === "number") {
+			this.entityId = entityId;
+			this.x = maxMotion(x) * 8000;
+			this.y = maxMotion(y) * 8000;
+			this.z = maxMotion(z) * 8000;
+		} else {
+			this.entityId = Number.MIN_VALUE;
+			this.x = Number.MIN_VALUE;
+			this.y = Number.MIN_VALUE;
+			this.z = Number.MIN_VALUE;
+		}
+	}
+
+	public readData(reader:IReader) {
+		this.entityId = reader.readInt();
+		this.x = reader.readShort() / 8000;
+		this.y = reader.readShort() / 8000;
+		this.z = reader.readShort() / 8000;
+
+		return this;
+	}
+
+	public writeData() {
+		return createWriter(Endian.BE, 11).writeUByte(this.packetId).writeInt(this.entityId).writeShort(this.x).writeShort(this.y).writeShort(this.z).toBuffer();
+	}
+}