It has come to my attention that my server is becoming increasing laggy. I have tried many things such as switching to CB++, getting an entity plugin limiter for dropped items and many other procedures but to no avail. What someone suggested to me was to ban crystal chests as they as they cause lots of lag but with the crystal chest being able to house so many items I was wondering if there was a way to remove the entities inside them and therefore stop the 'seeing in' ability and the same for Buildcraft pipes as lots of players on my server have factories and I think it would be beneficial if these traveling entities were to disappear. Pneumatic pipes are fine as they only pull items when a free inventory is detected.
Crystal chests only cause client lag not server lag, and yes you can disable it showing the items in there by modifying its code but your players will probably complain more than if you just ban it, and diamond chest has the exact same inventory space. Travelling entities in buildcraft pipes cause minimal client lag, it's when they start dropping out on the floor at the other side when nubs make their factories overflow that it causes problems.
They may cause some slight graphical lag for some clients running on older machines with very limited RAM and Graphics capabilities. Namely this would show as FPS loss while looking at them (or with minecraft in the same chunk)
Be sure that your users aren't confusing low FPS with server lag. The easy way to tell is if the user presses F3 and checks what their FPS is in-game. If it's over 20-25 then it's more likely server lag, If it's under that then 99 time out of 100 it'll be their client lagging, not the server. Also by the way it makes no difference for most people if its any number above 60, as the majority of computer screens can only display 60FPS.
I've noticed that the majority of my servers lag issues were caused by players duping things and creating huge badly optimized EMC/EU factories. A good idea is to teach players about painting cables and tubes so that EU/items go only where you want it to go and not in every direction the pipe/cable goes.
When I try to connect to servers or join up on lan worlds in Minecraft it says "Failed to Login : Invalid session (Try restarting your game)". Multiplayer used to work fine but now keeps coming up with this error. Can anybody help?
Just as the error says your session ID, what you log in with, is invalid. This usually happens when you log in to your account and then have a new instance of minecraft and log in again without closing down the old one. The old session ID is invalidated as soon as the new connection is made. This will give you the error above when you attempt to log into a server as it will only have the new Session ID.
Restarting your client is the only way to get a new session ID as it will wipe out whatever it thinks the new one is and truly give you a new one. (Restart your client by quitting the game, closing and reopening the launcher, and then starting the game again)
Crystal PvP, commonly known as cpvp, is a form of combat using end crystals to kill opponents, prevalent on 2b2t and other such servers, on which crystal PvP is the primary form of combat. As crystals do heavy damage to both health and armor, it has become more efficient than the standard sword and bow combat. This form of combat evolved from the suicide bombing meta used during the Rusher War in mid-2016, during which end crystals were first used as weapons in combat. Hacked clients have introduced Crystal Autoplace Crystal Aura to fit this method of combat in which the player will automatically place and detonate nearby Crystals, as well as a hack that shows safe spots to stand when crystaling.
As previously stated, suicide bombing was an early form of crystal combat and was less refined than the typical form used today. The method became popular when the Minecraft 1.9 update (Combat Update), released in February 2016, added the ability to craft end crystals. This method was more effective than actually fighting someone, but was also considered a cheap tactic. Players would use either crystals or beds (if in the Nether) to blow themselves up along with their opponent and later run back to the place of death to recover the dropped items. This method became highly popular for poorfags as they could easily kill a fully protected victim with a single well-placed crystal or bed. However, depending on the conditions, players could survive the blast, therefore not guaranteeing instant death. Eventually, this form became the norm for combat on 2b2t for several months post-Rusher War as TPS on the server caused long and boring fights with standard weapons.
Initially, individual players deployed this tactic, with notable users including Babbaj and Parthicus, but it was The 4th Reich that truly introduced the tactic into full use. Opposing factions were initially stunned by the new, brutal tactic, were utterly slaughtered by suicide bombers detonating End Crystals at point-blank range. Combat, which used to be a test of skill, equipment, and (sometimes) luck, degenerated into chaotic, suicidal bomb fests in which players were blown to pieces in droves.
The modern form soon stemmed from the introduction of Totems of Undying in the Minecraft 1.11 update, making suicide bombing no longer effective as multiple crystals would be needed to kill opponents. Totems evened out the playing field, allowing unsuspecting opponents to have a chance to fight back the attacker. Players were forced to devise a new form in which crystals could still be used for combat to account for totems. This evolved into players running out in full god gear and rapidly placing stacks of obsidian and crystals to make adversaries use up all their totems, while also using tactics to gain the upper hand in the fight.
The end crystal and previous bed explosion can kill a player with full Protection 4 diamond armor (if placed right), but can be survived if the player eats an Enchanted Golden Apple or wears Blast Protection 4 armor. The explosions can also be survived if the player is hiding behind some blocks or is a single block below the crystal or bed as the game has a strange mechanic where the player cannot be hit on the top of their body by an explosion but only the bottom. Therefore, combat became a strategy game of gaining the lower ground.
The further out to the world border a player is, the further offset the crystal is from the originally placed block; causing a completely different Style of PvP; Known as 30mil PvP which is mostly random, and chaotic.Note: crystals can be placed inside of blocks, and you can place them as multiple in the same place with this unique style of PvP.
After the server updated to 1.19, the anticheat plugin was changed from NoCheat Plus to GrimAC. Grim attempts to stop any non-vanilla movements, comparing a players movement to a 1 to 1 simulation and flagging any differences that would be caused by a client. In the period right after the update, the PvP meta was very similar to what you would see on a vanilla Crystal PVP server, and many vanilla players such as SyndicateNA, 0wning, and Puggers, would PvP in this period without the use of a hack client. Soon, however, clients such as Future and Boze would develop bypasses to hacks such as Velocity, Noslow, and Automine, making it near-impossible to PvP without a client. As of 2024, the 2b2t meta under this new anticheat is defined by ender pearl phase, insta-mine, and an uncapped crystal speed. This results in some players with very low ping placing and breaking upwards of 40 crystals in a single second.
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