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by ruialmeida
2250 days ago
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In order for your game to render other players you have to know their position, so the game server has to send them to all players. As an example, for CSGO in the past, the server always sent all player positions from anywhere, so it was possible to create cheats to draw players anywhere in the map. They changed the way it's done, coordinates are only sent when other players are nearly visible, although distant, or close by. This limited the way that wallhacks work, it's not possible to see where players are from far away :) What needs to be done is reverse engineer the communication protocol. If encryption is made, some kind of key to decrypt has to be somewhere in your game client. Then you can convert 3D coordinates to 2D and even draw a radar on your smartphone if you make an app. |
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I know nothing about game engines, but I have always wondered why is that the case. The server could compute visibility and only send the opponent position if there is a chance the player might see it. Computing visibility server side is not cheap, but it would still be significantly cheaper than fully rendering a scene, right?