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How to check if player is holding control on multiplayer? [1.18.2] [SOLVED]


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On regular singleplayer I use function like this to check if player is holding down control key.

public static boolean isHoldingControl() {
	return InputConstants.isKeyDown(Minecraft.getInstance().getWindow().getWindow(), GLFW.GLFW_KEY_LEFT_CONTROL) || 
		InputConstants.isKeyDown(Minecraft.getInstance().getWindow().getWindow(), GLFW.GLFW_KEY_RIGHT_CONTROL);

However, on multiplayer it throws an error, because this is a client-side function and the Minecraft class is also client-side (if I understand correctly). How can I make a function that would work for DEDICATED_SERVER as well? I guess I have to pass in a player as an argument, but I can't figure out how to check weather control is held or not. Thanks. 

Edited by RInventor7
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You should use a KeyMapping for that, then check in ClientTickEvent KeyMapping#isDown and send the state of the KeyMapping via a custom network packet to the server.

To avoid sending a Packet each tick, you should send the Packet only if the KeyMapping got pressed or released (the state changed).

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  • RInventor7 changed the title to How to check if player is holding control on multiplayer? [1.18.2] [SOLVED]

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