msgpack for MooMoo.io, but leightweight and fast
Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greasyfork.org/scripts/547088/1648219/Lightweight%20MooMooio%20msgpack.js
/*
* MooMoo Mini MsgPack
* Lightweight MessagePack encoder/decoder for MooMoo.io
*
* Usage:
* const [event, args] = miniMooMsgpack.decode(arrayBuffer);
* ws.send(miniMooMsgpack.encode(["packet", [data]]));
*
* Author: Nuro (notnuro0815)
*/
// moo-mini-pack.js
(function(r) {
function o(b) {
return b instanceof Uint8Array ? b : b instanceof ArrayBuffer ? new Uint8Array(b) : ArrayBuffer.isView(b) ? new Uint8Array(b.buffer, b.byteOffset, b.byteLength) : null
}
const TD = typeof TextDecoder != "undefined" && new TextDecoder("utf-8");
const TE = typeof TextEncoder != "undefined" && new TextEncoder();
function D(buf) {
this.u = o(buf);
if (!this.u) throw TypeError("need ArrayBuffer/Uint8Array");
this.v = new DataView(this.u.buffer, this.u.byteOffset, this.u.byteLength);
this.i = 0
}
D.prototype.b = function() {
return this.u[this.i++]
};
D.prototype.u16 = function() {
const x = this.v.getUint16(this.i);
this.i += 2;
return x
};
D.prototype.u32 = function() {
const x = this.v.getUint32(this.i);
this.i += 4;
return x
};
D.prototype.i8 = function() {
const x = this.v.getInt8(this.i);
this.i += 1;
return x
};
D.prototype.i16 = function() {
const x = this.v.getInt16(this.i);
this.i += 2;
return x
};
D.prototype.i32 = function() {
const x = this.v.getInt32(this.i);
this.i += 4;
return x
};
D.prototype.f64 = function() {
const x = this.v.getFloat64(this.i);
this.i += 8;
return x
};
function strDec(d, n) {
const a = d.u.subarray(d.i, d.i + n);
d.i += n;
return TD ? TD.decode(a) : String.fromCharCode.apply(null, a)
}
function arr(d, n) {
const A = new Array(n);
for (let i = 0; i < n; i++) A[i] = read(d);
return A
}
function read(d) {
const b = d.b();
if (b <= 0x7f) return b;
if ((b & 0xf0) === 0x90) return arr(d, b & 0x0f);
if ((b & 0xe0) === 0xa0) return strDec(d, b & 0x1f);
if ((b & 0xf0) === 0x80) throw Error("map unsupported");
switch (b) {
case 0xc0:
return null;
case 0xc2:
return false;
case 0xc3:
return true;
case 0xcb:
return d.f64();
case 0xcc:
return d.b();
case 0xcd:
return d.u16();
case 0xce:
return d.u32();
case 0xd0:
return d.i8();
case 0xd1:
return d.i16();
case 0xd2:
return d.i32();
case 0xd9:
return strDec(d, d.b());
case 0xda:
return strDec(d, d.u16());
case 0xdc:
return arr(d, d.u16());
case 0xdd:
return arr(d, d.u32());
default:
if (b >= 0xe0) return (b << 24) >> 24;
throw Error("type 0x" + b.toString(16));
}
}
function E(cap) {
cap = cap || 256;
this.b = new Uint8Array(cap);
this.v = new DataView(this.b.buffer);
this.i = 0
}
E.prototype.g = function(n) {
if (this.i + n <= this.b.length) return;
const nb = new Uint8Array(Math.max(this.b.length * 2, this.i + n));
nb.set(this.b);
this.b = nb;
this.v = new DataView(nb.buffer)
};
E.prototype.u8 = function(x) {
this.g(1);
this.b[this.i++] = x
};
E.prototype.u16 = function(x) {
this.g(2);
this.v.setUint16(this.i, x);
this.i += 2
};
E.prototype.u32 = function(x) {
this.g(4);
this.v.setUint32(this.i, x);
this.i += 4
};
E.prototype.i8 = function(x) {
this.g(1);
this.v.setInt8(this.i, x);
this.i += 1
};
E.prototype.i16 = function(x) {
this.g(2);
this.v.setInt16(this.i, x);
this.i += 2
};
E.prototype.i32 = function(x) {
this.g(4);
this.v.setInt32(this.i, x);
this.i += 4
};
E.prototype.f64 = function(x) {
this.g(8);
this.v.setFloat64(this.i, x);
this.i += 8
};
E.prototype.u8a = function(a) {
this.g(a.length);
this.b.set(a, this.i);
this.i += a.length
};
function write(e, x) {
if (x == null) {
e.u8(0xc0);
return
}
const t = typeof x;
if (t === "boolean") {
e.u8(x ? 0xc3 : 0xc2);
return
}
if (t === "number") {
if (Number.isInteger(x) && x >= -2147483648 && x <= 4294967295) {
if (x >= 0) {
if (x < 0x80) {
e.u8(x);
return
}
if (x < 0x100) {
e.u8(0xcc);
e.u8(x);
return
}
if (x < 0x10000) {
e.u8(0xcd);
e.u16(x);
return
}
e.u8(0xce);
e.u32(x);
return
}
if (x >= -32) {
e.u8(0xe0 | (x + 32));
return
}
if (x >= -128) {
e.u8(0xd0);
e.i8(x);
return
}
if (x >= -32768) {
e.u8(0xd1);
e.i16(x);
return
}
e.u8(0xd2);
e.i32(x);
return
}
e.u8(0xcb);
e.f64(x);
return
}
if (t === "string") {
const a = TE ? TE.encode(x) : new Uint8Array(x.split("").map(c => c.charCodeAt(0) & 255));
const n = a.length;
if (n < 32) {
e.u8(0xa0 | n);
e.u8a(a);
return
}
if (n < 0x100) {
e.u8(0xd9);
e.u8(n);
e.u8a(a);
return
}
e.u8(0xda);
e.u16(n);
e.u8a(a);
return
}
if (Array.isArray(x)) {
const n = x.length;
if (n < 16) e.u8(0x90 | n);
else if (n < 0x10000) {
e.u8(0xdc);
e.u16(n)
} else {
e.u8(0xdd);
e.u32(n)
}
for (let i = 0; i < n; i++) write(e, x[i]);
return
}
// maps not needed for MooMoo; add if ever seen
throw Error("unsupported type: " + t)
}
function encode(x) {
const e = new E();
write(e, x);
return e.b.slice(0, e.i)
}
r.miniMooMsgpack = {
decode: (u) => read(new D(u)),
encode
};
})(typeof module == "object" ? module.exports : window);