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[1.9] Custom Flight and Moved Too Quickly


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In 1.9, I am getting the dreaded Moved Too Quickly error (on Server only) for an Item that provides custom fast flight, or speed boost. In addition to the error, it also moves the player to the expected position, quite annoying. What I've read is that this is Minecraft's anti-cheat system, which is great, but I feel like you should be able to mod around it. Here's the error:


[00:40:06] [server thread/WARN] [net.minecraft.network.NetHandlerPlayServer]: Purplicious_Cow moved too quickly! 5.442742797143968,5.636337631967919,-8.100770737214162
[00:40:08] [server thread/WARN] [net.minecraft.network.NetHandlerPlayServer]: Purplicious_Cow moved too quickly! 5.38715140427751,4.072398597727329,-8.015775277311803


Here's my code for allowing flight, simple enough:


if (itemchk != null && itemchk.getItem() == InventoryPets.petCloud && itemchk.getItemDamage() < 3) {
			entityplayer.capabilities.allowFlying = true;


I imagine there's away around this, but I can't seem to find a solution. I reviewed how Elytra is handled, but it appears to be an item-specific exception.


I've also set AllowFlight = true on server, but that only allows flight at normal speeds. I've noticed that custom servers (e.g. Spigot, Kcauldron) have allowances to remove/adjust movement check, but I did not see one for Forge Server.


Any advice appreciated, or just a simple point in the right direction.




EDIT: Just saw this listed as a bug @ Mojang: https://bugs.mojang.com/browse/MC-90062. Still should be a way around it.

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More investigation into this. The error messages/adjust player location are actually NOT related to flight, just moving quickly into new chunks while they are loading. It can be caused by even normal movement as well (non-enhanced). You just see it more often if you enhance speed.


I don't understand the current solution Mojang put in place. Teleporting the player backwards is very strange.



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