cubicjs/client/src/network.ts
2024-12-21 23:42:19 +03:00

101 lines
No EOL
2.3 KiB
TypeScript

class Packet {
private id: string
private data: string[]
constructor(id: string, data: string[]) {
this.id = id
this.data = data
}
getId(): string { return this.id }
getData(): string[] { return this.data }
static fromString(data: string): Packet {
return new Packet(data[0], data.slice(1).split("\n"))
}
}
class JoinPacket extends Packet {
constructor(name: string) {
super("J", [name])
}
}
class MessagePacket extends Packet {
constructor(message: string) {
super("M", [message])
}
}
class KeyPacket extends Packet {
constructor(key: string, pressed: boolean) {
super("K", [key, pressed ? "1" : "0"])
}
}
class PlaceBlockPacket extends Packet {
constructor(x: number, y: number, type: string) {
super("P", [x.toString(), y.toString(), type])
}
}
class DestroyBlockPacket extends Packet {
constructor(x: number, y: number) {
super("D", [x.toString(), y.toString()])
}
}
class PositionPacket extends Packet {
constructor(x: number, y: number) {
super("X", [x.toString(), y.toString()])
}
}
class VelocityPacket extends Packet {
constructor(x: number, y: number) {
super("V", [x.toString(), y.toString()])
}
}
class Connection {
private socket: WebSocket
private on_packet: (packet: Packet) => void
private on_close: (error: string | null) => void
constructor(
address: string,
on_packet: (packet: Packet) => void,
on_close: (error: string | null) => void
) {
this.socket = new WebSocket(
"ws://"+address,
"cubic",
)
this.on_packet = on_packet
this.on_close = on_close
this.socket.onmessage = this._on_message
this.socket.onclose = this._on_close
this.socket.onerror = this._on_error
}
private _on_message(event: MessageEvent) {
this.on_packet(Packet.fromString(event.data))
}
private _on_close(event: CloseEvent) {
this.on_close(null)
}
private _on_error(event: Event) {
this.on_close(event.toString())
}
close() {
this.socket.close()
}
send(packet: Packet) {
this.socket.send(packet.getId()+packet.getData())
}
}