coreh

Bevy Remote Protocol (BRP)

The Bevy Remote Protocol (BRP) is a transport-agnostic and serialization-agnostic protocol for communication between a Bevy application (acting as a server) and a remote (or local) client. It's a request/response-style protocol (similar to HTTP), meaning that every communication is always initiated by the client, and the server only responds to the client's requests.

Example Uses

• A editor/inspector, allowing the user to inspect and modify the Bevy application's state in real time, both locally and remotely;
• “Gameshark“-style cheats, allowing the user to modify a game's state in real time;
• JS/HTML-based UI interacting with an embedded Bevy application running in a browser;
• Non-Bevy/Rust applications (e.g. a C++/Python/Java application) interacting with embedded Bevy modules;

coreh

What this is?

This is a simple experiment to verify if browsers will block/hang execution in a page when a child iframe (of a different origin) has a running script blocked in an infinite loop.

As of Nov 4, 2021, Chrome/Edge won't block the parent page, but Firefox and Safari will.

Instructions

You'll need Node and NPM for this.

coreh

/mnt/c/Users/coreh/Desktop $ sudo apt-get upgrade youtube-dl
Reading package lists... Done
Building dependency tree
Reading state information... Done
youtube-dl is already the newest version (2016.02.22-1).
Calculating upgrade... Done
The following packages have been kept back:
  libegl1-mesa libgbm1 libgl1-mesa-dri libwayland-egl1-mesa mesa-va-drivers mesa-vdpau-drivers open-vm-tools
The following packages will be upgraded:
  apparmor apport apt apt-transport-https apt-utils base-files bind9-host bsdutils cloud-guest-utils cloud-init

coreh

[object Object]

coreh

0 info it worked if it ends with ok
1 verbose cli [ '/Users/coreh/.nvm/versions/node/v8.1.0/bin/node',
1 verbose cli   '/Users/coreh/.nvm/versions/node/v8.1.0/bin/npm',
1 verbose cli   'update' ]
2 info using [email protected]
3 info using [email protected]
4 verbose npm-session cf449ad0bbb9faa1
5 silly mapToRegistry name @types/config
6 silly mapToRegistry scope (from package name) @types
7 verbose mapToRegistry no registry URL found in name for scope @types

coreh

// Instructions: Open slack, switch to the channel you want to invite people to,
// Copy and paste the entire code snippet below to the "Console" tab of your web inspector, hit "Enter".

(function () {
	var people = prompt('Paste the usernames you want to invite here and hit OK:').split(/,\s*|\s+/);
	var textArea = $('#message-input');

	var dismiss = function () {
		$(".dialog_go").click();
	}

coreh

NSImage *CaptureScreen() {
  
  // Get the Screen Rect
  NSRect screenRect = [[NSScreen mainScreen] frame];
  
  // Create a CGImage with the screen contents
  CGImageRef cgImage = CGWindowListCreateImage(screenRect, kCGWindowListOptionOnScreenOnly, kCGNullWindowID, kCGWindowImageDefault);
  
  // Convert the CGImage into a NSBitmapImageRep
  NSBitmapImageRep *rep = [[NSBitmapImageRep alloc] initWithCGImage:cgImage];

coreh

// These are known beforehand
int imageWidth = 640;
int imageHeight = 480;
int tileWidth = 32;
int tileHeight = 32;

int tilesPerRow = imageWidth / tileWidth;

int index = 5;

coreh

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coreh

/**
 * This function is similar to bind, but the received value of "this"
 * gets passed as the first function argument.
 */
function bind2 (fn, _this) {
  return function() {
    var args = [].slice.call(arguments);
    args.unshift(this);
    fn.apply(_this, args);
  }