Mods are currently not officially supported by [[Mojang]], as such users who [[Installing Mods|install]] and use mods are entirely doing so at their own risk. However, official modding support is in planning<ref>Modding Support http://notch.tumblr.com/post/4955141617/the-plan-for-mods</ref>. Mods work by editing or adding to the [[wikipedia:Obfuscated code|obfuscated]] source code. This means that mods only work with the Minecraft [[version history|version]] they are compiled for.
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'''Pistons''' are [[blocks]] capable of pushing most blocks, depending on the direction they are facing.
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For example, a mod that edits a .class file of version 1.5 will not be compatible with either 1.4 or 1.6. A notable exception to this is 1.6.5 and 1.6.6, where mods for either one are co-compatible.
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== Crafting ==
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Mods that only alter the behavior of existing items, blocks, or mobs are fairly safe; they should typically be able to be installed or uninstalled at will without making a world save corrupted. Note that this includes mods that add [[Mods/Crafting|crafting]] recipes without adding new items or blocks.
Mods that add content, such as blocks, items or mobs, are riskier to uninstall. Since 1.4, modded content is automatically removed from the world if the mods that added them are not installed, thus preventing crashes. This can still cause issues and uncertain behavior, even such as crashing.
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!Ingredients
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!Input » Output
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Mods that change how chunks are saved will render saved worlds incompatible with 3rd party software not designed to work with them. An example of such tools are map rendering tools, such as Cartograph G, that rely on parsing save files to produce their end results.
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Multiple mods may conflict with each other; certainly if two mods need to alter the same files, then they are unlikely to be compatible.
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== How to install Mods ==
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{{main|Mods/Installing Mods}}
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== Client Mods ==
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Client Mods are modifications to your Minecraft program ([[Alpha]] or [[Beta]]). They are not custom clients, and require modification of minecraft.jar. Like high resolution textures, they only work with the launchers, and won't work if you play Beta through a browser.
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The most common form of client mods are aesthetic and/or functional. However, some client mods add content to the game, and others fix issues with the game. While some do work on [[SMP|SMP]], mods that add content, and thus could be used for griefing, do not work, as the server will ignore custom content.
| style="text-align: left;" | Updates the sound system in Minecraft to allow support for three more file types and allows the ability to add custom music.
| style="text-align: left;" | A type of mod manager that stops many conflicts between mods. Modders are free to decompile this and learn how to make mods work with it. Supports 303's mods. Also, texture packs are supported for override images and chunk population hook was added.
| style="text-align: left;" | Does your mod need simple, configurable options? Do you not want to edit core Minecraft files to do this? Or did the mod you just download tell you to come here? If so, you're in the right place.
| style="text-align: left;" | A mod manager with an API similar to ModLoader that will work on any Minecraft version. Can load any mod (no patchers) and keep them organized. Includes built-in mods for flying and proxying.
| style="text-align: left;" | Fixes the fire, water, lava, and compass issues with textures larger than the default size. Also have an option for bettergrass.
* Pistons are [[redstone]] triggered. When powered, their wooden surface extends outwards by 1 block, pushing up to a maximum of 12 blocks.<ref>http://twitter.com/#!/jeb_/status/81386768913534976</ref> <ref>http://www.youtube.com/watch?v=CpgcBfPyCr8</ref>
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* When going back to the unpowered state, it does not pull back any block. See [[Sticky Piston]] for that.
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* Its wooden surface can also push players, mobs and other entities on the floor by 1 block if they are in the way. However, if there is no space for the player/mob/entity to be pushed, the extended piston head will just pass through them without harm. The piston can still push a mob or player off a one block wide walkway, which can be coupled with a pressure plate for a fairly effective trap.
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* The extended piston head is considered solid and transparent (just like [[Glass]]). If a piston head extends into a player/mob this way, they will not suffocate, and the player/mob can move out of it but not back into it.
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* Similarly, if a block pushed by a piston is pushed into a player/mob, the player/mob will get pushed if there is space. If there is no space, the block will start to occupy the same space as the player/mob and cause suffocation if the block is opaque.
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* When blocks are pushed by a piston, they are momentarily non-solid and cause any players/items on the moving block to fall through the moving block.
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* Pistons can be used to toggle [[fluids]] flows like a flood gate by extending into or retracting from the space where water will flow through.
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* Pistons can push [[Minecart]]s and [[boat]]s. Note that if the minecart is on a rail, the rail will also get pushed.
* [[Pumpkins]], [[Cobweb]]s and [[Jack-O-Lantern]]s are turned back into items when pushed. (If trying to create extendable/retractable lighting, you can use [[Glowstone]] instead.)
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! width="50px" | Requires ModLoader
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* Pistons cannot push water or lava, only obstruct it. A piston head extending into a water or lava source block will destroy the source block.
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! width="65px" | Author
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* Pistons cannot push most blocks that are "attached to a block” such as [[lever]]s, [[torches]], [[redstone]], [[signs]], etc. They will be detached and drop as an item. Exceptions include:
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|-
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** [[Trapdoors]], as long as their hinged side remains attached to a solid block in their new position.
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|ElectricTorch
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** [[Rails]] (and [[Powered Rail]], [[Detector Rail]]) as long as they remain on top of a solid block in their new position. Rails will re-orient themselves after being pushed just as they do when placed manually.
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|style="text-align: left;" | Allows you to turn torches on and off.
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* Blocks that are attached to pushed blocks will be broken off unless the block which is now under/behind them is also acceptable; for example, torches can be placed on a "self-repairing" cobblestone structure.
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|v0.1
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* Pistons cannot push a chain of blocks more than 12 blocks long, else they will not extend.
|style="text-align: left;" | AdventureCraft is a total conversion for Minecraft, which turns the game into a pure adventure mode in which players cannot place or destroy blocks.
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You can build there an adventuremap which runs with triggers, spawn locations, triggered doors and more.
|style="text-align: left;" |This mod adds a nice-looking coal block (like the gold, iron, or diamond blocks) and adds recipes to make hard-to-get items easier to get without upsetting the balance too much.
|style="text-align: left;" | Adds smeltable alloys to the game. Built on top of the Better Ores API. Currently adds new metal based ores and a new furnace to make alloy metals.
| style="text-align: left;" | Allows food to be stacked up to 32 in a stack, and usable in stacks of 4 or less. Also prevents you from eating food with full health, thus wasting it.
|style="text-align: left;" | Changes the way ores drop items. Makes every ore drop a configurable amount of items with guarenteed and chance based values.
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Makes metal based ores (iron, gold) drop nuggets instead of blocks. Nuggets need to be smelted in a new smelting furnace.
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API available to easily create new items (which do not need durabilty) to have subtypes and add new ores which behave like Better Ores.
| style="text-align: left;" | If you have a chest in your inventory when you die, it will be placed where you die, or in the closest available spot. The chest will be filled with as many items as possible. Any excess that won't fit in the chest will be dropped.
| style="text-align: left;" | Allows you to make the compass point towards your spawn point, North, custom waypoints, or any combination. The needle color is customizable. Needs MCpatcher to work.
| style="text-align: left;" | Provides a complete overhaul of the water physics engine to add more realism to minecraft. Pipes, pumps, tsunamis, and other features are included.
| style="text-align: left;" | With a choice of Six class files that give sets of block a small yet noticeable light factor. The choices being Ores, Stone & Dirt, Cloth (wools), Water, Trees, and brighter Redstone torches.
* Pistons can be powered by a torch from below when said torch would power the block the pistons are resting on (just like [[Powered Rail|powered rails]])
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| {{v|t=1|All versions}}
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* Pistons can be powered by any powered block directly adjacent to them, and by any powered block one block above and to the side. However, the piston won't recompute its state unless a block directly next to it is changed. An adjacent piston retracting causes a recompute, but an adjacent piston extending doesn't.
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| {{tc|no}}
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* Both redstone dust and repeaters will power the piston directly in front of it ''as well as'' a second piston below this piston. This allows a wall made completely of pistons to be constructed.
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| Saebian
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* When toggled between on and off rapidly with a gravity affected block (such as sand) above it, a piston will eventually break the block, which can be picked up as a resource.
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* A repeater cannot transfer power through a piston.
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| Improved Chat
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| style="text-align: left;" | Enables scrolling backward through chat, binding chat commands to a key, and more.
| style="text-align: left;" | Allows to sort your inventory and your chests, and replace any broken tools and emptied stacks by others from your inventory. Fully customizable, and works in both single and multiplayer.
| style="text-align: left;" | Shows the surrounding environment with possibility to indicate the position of some specific materials like diamond or iron (or whatever you want). Useful to search and dig efficiently some rare materials.
| style="text-align: left;" | This mod is a merge of Better clouds, double view, and the lunar cycle/stars mod; it is also a skybox mod. It allows you to change things like fog depth, distance and height.
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It also allows you to change the sky color, moon color. Turn on and off weather FX.
| style="text-align: left;" | Resize the window to 720p or 1080p for easy screencapping and can restore a user-defined size and window state on startup.
| style="text-align: left;" | Shows a minimap in the corner of the screen with configurable waypoints and other options. Useful if you always get lost.
| style="text-align: left;" | Makes food and buckets stackable, but unusable when stacked. It also makes doors, signs, saddles, minecarts, and boats stackable.
| style="text-align: left;" | Adds tags to signs - type [time] to show an in-game clock, [light] to show the light level where the sign is, and [x], [y], and/or [z] to show coordinates, based on the sign's position. <nowiki>[a|b]</nowiki> acts as an input option, where 'a' is shown when the sign is powered, and 'b' is shown otherwise. [biome], [temp], and [humid] tell you the biome, temperature, and humidity of where the sign was placed.
| style="text-align: left;" | This mod aims to aid your desire for the fray of combat. With an improved pathfinding algorithm, and added behaviour, the seemingly dumb mobs are now much more intelligent!
* Pistons can be used to make self-repairing bridges by using cobblestone from a [[cobblestone generator]]. The same principle can be used to make a self-repairing house.
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|-
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* When used in conjunction with redstone repeaters, pistons can make a redstone piston clock capable of almost any speed.
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! width="120px" | Name
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* A piston powered clock linked up to a square of blocks designed to be pushed round in a loop can create an endless loop of data. Combined with the inability of transparent blocks (such as glass) to transmit power, a redstone repeater can be run into the pushed data block to optionally perform a function on the other side. Scale this up into 3 dimensions and you get an array of data looping round, being tested to see if it transmits the power or not. This can be used to create redstone sign outputs, to play musical sequences, and a countless list of other things.<ref>http://www.youtube.com/watch?v=Oc6spHvGPtQ</ref>
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! class="unsortable" | Description
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* Another use for Pistons is to put a block on top an upward facing piston, with a track on top of that, then have a [[minecart]] one block away from it on the track so that when you activate the Piston it will slant the [[track]] and get the minecart started. This will work better with a [[Sticky Piston]], so the track does not need to be manually reset.
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! class="unsortable" width="50px" | Version
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* Pistons can be used to move blocks like glass or ice that cannot be picked up. However, pistons cannot push obsidian.
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! class="unsortable" width="60px" | Link
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* Pistons can be used for automated [[farming]]. Using a sticky piston with a dirt block or similar solid block attached, the piston is capable of pushing [[wheat]] or [[sugarcane]] off soil- the blocks will subsequently turn it into their respective items. Two sticky pistons with solid blocks attached can also be used to convert trees into log items as well; although it can require some ingenuity to determine out how to get the topmost logs down to the ground using this method.
| style="text-align: left;" | Allows you to position the sun and set its movement speed to values ranging from 0 to 500x (including 1/72x, which is Earth speed), through a GUI in the Options menu. Does not alter the Minecraft clock. There are no planned updates for this.
| style="text-align: left;" | This makes all the rare resources that are pretty uncommon like gold and diamond everywhere and everything else is pretty hard to find
| style="text-align: left;" | When completed, MineRag will allow for functioning ragdoll physics for all mob models. TNT will throw mobs into the air and water and lava will decrease their gravity.
| style="text-align: left;" | Previously the "Subterranean SMP Mod", seen [http://www.minecraftforum.net/viewtopic.php?f=25&t=62939 here]. The mod tweaks the settings in the terrain generator allowing for things like mostly flooded worlds, having the Nether blocks mineable in the real world, Muddy swamps etc. Achieved via some simple additions to your server.properties file.
| style="text-align: left;" | Allows trees to drop a variety of things, from sticks, leaf blocks, to saplings and apples. Also it has been merged with TreeDecay to allow tree leaves unconnected to trees to decay as expected.
The original piston was a mod posted on the Minecraft Forums by Hippoplatimus.<ref>http://www.minecraftforum.net/viewtopic.php?t=247686&f=1032</ref> The code for that version was given to Jeb, who then worked on shortly implementing them into vanilla Minecraft. However, due to his work on the [[Pocket Edition]], pistons were delayed, and were not released for the 1.5 update nor for the 1.6 update.
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Any mods that add new blocks or items will have new [[Data Values]], which can be found on the [[Mods/Data values]] page.
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Finally, when the Pocket Edition was good enough to show at E3, Jeb went back to work on the PC version of Minecraft and pistons were finally added in version 1.7, including [[Sticky Piston]]s.
| style="text-align: left;" | This mod adds all you need to be a bee keeper and more. It includes: a bee keeper helmet, beehive box, comb presser, incubator, bee swarms, honey, honey pork, candles, and chandeliers.
| style="text-align: left;" | This mod adds many new functions to the game, including powered light blocks, pulleys and platforms, pourable cement that turns into stone, a way to cook food (but only food) without wasting any fuel, mechanical power systems, and much more!
| style="text-align: left;" | This mod adds insects to the game. Currently there are 11 insects, bees, flies, ladybugs, queen bees, wasps, grasshoppers, beetles, Nether bugs, caterpillars, Japanese Giant hornets and botflies. It adds more atmosphere to the game.
| style="text-align: left;" | Adds pipes to the game which for example can transfer coal from one chest in the lower slot of a furnace and iron from another chest in the top it comes with four types of pipes. It also adds The Miner and the Quarry which drill downwards for resources (powered by redstone or right clicks) [Works with industrial craft]
| style="text-align: left;" | This mod will add 9 new human builder mobs to minecraft. These mobs will build all over your world, by placing blocks and building structures. Backup your saves before use. Currently, for unknown reasons, the mod may occasionally freeze your game.
| style="text-align: left;" | Butterflies! That's right; you can now liven up your minecraft world with an array of butterflies, each with a unique spawning spot. And if the amazing atmosphere they add isn't enough, you can also catch them with a net, and when you let them free again, they'll follow you around, and sometimes even feel friendly enough to land on your head! Isn't that cool?
| style="text-align: left;" | Do you ALWAYS spawn on the desert? No trees around? Only cacti? No |problem, sir! With CactusCraft, you can begin your survival while using only cacti.
| style="text-align: left;" | Cannon powder works exactly like tnt, except it doesn't remove blocks or damage entities. It's used to push things. I also hooked up the dispenser to spit out live TNT / CannonPowder instead of just the item.
| style="text-align: left;" | This adds camera and monitor blocks to minecraft. UltraMoogleMan made the first versions [http://www.minecraftforum.net/viewtopic.php?f=1032&t=218655 here], while Keavator updated the mod further.
| style="text-align: left;" | Adds a controller block that can be used for floodgates and bridges. When a controller block is powered, it creates blocks in predefined places. Videos in Forum.
| style="text-align: left;" | This adds some 6 plants and 2 blocks under the sea. With the coral you can decorate or make dyes. This mod is more enjoyable if you use Roundaround's CrystalClearWaters mod for better visibility.
| style="text-align: left;" | This special tool harvests any block instantly. This comes in handy for building large structures out of obsidian. It never wears out and can also be used as a weapon.
| style="text-align: left;" | This mod replaces the four original Minecraft animals with tamable versions. It also allows you to plant mushrooms, pumpkins and flowers.
| style="text-align: left;" | This mod adds a fireworks-launcher to the game, powerable by redstone. You can create your own fireworks (outside of the game).
| style="text-align: left;" | The glass light is a simple mod. It's a block that lights up on redstone trigger. You can also light it by right clicking it.
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I'm sure this has been done before, but I couldn't find something similar when I went searching. I wanted it for a long time, so I made it.
| style="text-align: left;" | BECOME A HOMIE WITH THIS MINECRAFT HOMIE MOD! This mod originally only out to the creator and xXSlyFoxHoundXx is now released to the public with 4 new and powerful tools and a new ore.
| style="text-align: left;" | Make redstone easier to understand by integrating redstone logic into single blocks! RS Latches, NAND Gate, and all the others.
| style="text-align: left;" | Adds in villages to the game, based on medieval Normandy. You can trade with the villagers, and help them expand the village. Also includes tools, armor, and food.
| style="text-align: left;" | Adds workers to help you mine, farm, chop wood and deliver the goods. dfu's fork of the source code (available at github) is more compatible with other mods.
| style="text-align: left;" | The motion detector is a multipurpose redstone output. You can use it to trigger automatic doors, traps, lights, just about anything.
| style="text-align: left;" | This Mod adds more creatures to the game. Currently it has the following creatures: Sharks, Werewolves, Lions, Bears, Wolves, Polar Bears, Wraiths, Flame Wraiths, Ogres, Fire Ogres, Cave Ogres, Ducks, Boars, Bunnies, Foxes, 6 types of Birds, 6 types of Dolphins 8 types of Horses and NEW 10 types of Fish!
| style="text-align: left;" | Adds 7 new flowers to the game to liven up your map.
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The flowers include Blue Hydrangeas*, Poinsettias*, Daisies*, Ginseng*, Lavenders*, Vanilla and Hibiscus*. Sprites for the hydrangeas, poinsettias, daisies and hibiscus are taken from the Painterly Pack.
| style="text-align: left;" | This mod adds new types of trees: palm/banana, sequoia, cherry blossom, apple, and eucalyptus. It also adds vines, bananas, banana cake, and topiary blocks.
| style="text-align: left;" | This mod adds to the Nether and makes it self-sustainable. It adds many mobs, plants, ores, and items all to the Nether so you never have to go back to earth.
| style="text-align: left;" | This mod adds more food to the game; besides food it incorporates a few fixes: Snowballs and Eggs stack at 64 instead of 16, and Redstone is a fuel source for furnaces that burn at the same rate as coal.
| style="text-align: left;" | Minecraft currently distributes ores such as coal, gold, diamond, iron, etc. in a random but predictable pattern. There's always a certain chance of getting each ore no matter how far from spawn you have traveled. In the real world, locations become way more valuable if they are rich in resources. I've programmed a way for minecraft to spread out the ores according to a perlin noise function.
| style="text-align: left;" | Pistons can be extended and retracted with redstone. Pistons themselves are included in the vanilla; however, this mod gives them the ability to launch entities. <ref>Pistons http://twitter.com/#!/jeb_/status/55921671009353728</ref>
| style="text-align: left;" | Adds a lot of new items, some new blocks, 6 different planes and anti-aircraft guns. Some planes can fire machine guns and drop bombs. For SSP and SMP.
| style="text-align: left;" | Craft it, and right click while it's in your hand, and you'll open a 3x3 crafting window. Much better than carrying around workbenches.
| style="text-align: left;" | Just a Redstone Block. Can be used to "store redstone" by crafting it like other refined blocks and uncrafting it later. It pulses constantly, like when you hit redstone ore, and it gives off a little bit of light.
| style="text-align: left;" | The rope was created for all those times you wanted to rappel down a large cliff or cave. The rope must be attached to a solid block on top. Any rope blocks placed directly next to other rope blocks will be added to the bottom of the rope.
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| v1
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| [http://www.djoslin.info/rope.php Website]
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| {{v|t=1|B1.7.3}}
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| {{tc|Yes}}
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| djoslin
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|-
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| [[Runester]]
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| style="text-align: left;" | This mod adds runescape and terraria ores to the game.
| style="text-align: left;" | This mod makes it possible to go scuba diving so you can see squid up close and explore Nandonalt’s Coral Reefs. It adds a scuba helmet, scuba tank, and air compressor.
| style="text-align: left;" | This mod adds 3 types of sponge that absorb water and lava making the nether and under the ocean a much easier place to live.
| style="text-align: left;" | A standalone mod that adds new items, blocks and features, as well as modifying some current ones. Mostly, this content follows a steampunk theme. Still in development.
| style="text-align: left;" | This mod adds craftable, edible sushi into minecraft, all which heal different amounts of health. Also includes growing seaweed and rice.
| style="text-align: left;" | This mod adds a telescope that allows you to get your eyes a little closer to the beauty. Zooms in when right-clicked.
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| v1.0
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| [http://djoslin.info/telescope.php Forum]
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| {{v|t=1|B1.7.3}}
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| {{tc|yes}}
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| DJoslin
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|-
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| Terradura
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| style="text-align: left;" | Terradura is a new ore that is rarer than diamond and found between the layers of bedrock. It also adds tools, armor, and a "Window"
| style="text-align: left;" | TooManyItems is an inventory editor mod that allows you to edit your inventory in-game. It has a nice graphical interface, and allows items/blocks from mods too.
| style="text-align: left;" | The Long-Distance Transmitter transfers a redstone signal wirelessly up to 75 blocks. I've thought of several uses for this mod, including checking the status of your mob traps, routing a minecart from a station to the correct destination, sending an SOS signal, etc.
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| V1.0
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| [http://www.djoslin.info/transmitter.php Forum]
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| {{v|t=1|B1.7.3}}
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| {{tc|yes}}
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| djoslin
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|-
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| Turret / Cannon
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| style="text-align: left;" | The turret was created for all those times you wanted a mounted gun at your base. Instead of relying on static short-shooting dispensers, you have complete control over the aim. This mod also comes with three types of cannonballs.
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| V1.0
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| [http://www.djoslin.info/turret.php Forum]
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| {{v|t=1|B1.7.3}}
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| {{tc|yes}}
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| djoslin
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|-
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| UltimateFist
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| style="text-align: left;" | This mod will add a completely new tool that can obliterate ANY block / item almost instantly. It lasts almost forever and is used for those who want to build faster. Originally by IWannaWin, Zaraza107 [http://www.minecraftforum.net/viewtopic.php?f=25&t=88885 here]. Made up to date by Madaraz [http://www.minecraftforum.net/topic/114989-v13-01-ultimate-fist-v42-fix/#UltimateFist here] and Philius.
| style="text-alighn: left;" | adds a new ore that is about as rare as diamond but is more durable(5000 uses), more efficient(rapid mining), and more buildable(stairs and half blocks)
|style="text-align: left;" | New block that allows users to see through walls (such as a wire frame texture pack) and also provides as much light as glowstone.
| style="text-align: left;" | Adds a craftable block to the game of which allows you to see through the block and see caves, dungeons, and water/lava pools underground.
|add ropes which you can zipline on you can balance on you can shoot and climb on it, Adds cloth sheets and placable leather plus wooden bridges all follow the same new physic pattern, cloth and leather can be used for tent you can see light threw cloth.
Differences of the vanilla type in comparison to the [[Mods/Pistons|mod]] version:
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==== Language Packs ====
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;Gain of Function:
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===== Introduction =====
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* Pistons now are crafted with cheaper materials, so building them is considerably easier.
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* "Upgrading" a piston into a sticky piston is now possible (although pistons cannot be converted back).
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* Pistons can no longer be accidentaly reoriented by an unintentional right click.
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* They break far faster, making for quick replacing.
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* Pistons now work in multiplayer.
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;Loss of Function:
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You have to delete the META-INF folder inside the file "minecraft.jar" and replace the files "en_US.lang" and "stats_US.lang" inside the folder "lang" in order to use a language pack.
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* Can no longer thrust (gravity-affected) blocks and items upwards and send them flying.<ref>http://twitter.com/jeb_/status/55921671009353728</ref> However, if a gravity-affected block is sitting on an upward-facing piston, and the piston retracts, the block will fall.
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* Vanilla pistons must be removed and placed again to change their orientation, rather than just right clicking.
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* [[Slimeball]]s are somewhat of a rarity unless you have a [[Slime]] farm, making sticky pistons harder to craft.
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* Vanilla pistons can only push 12 blocks, while the others could push 16 blocks.
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* Blocks can no longer be 'Crushed' between two pistons.
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* Tile entities, such as chests, furnaces and note-blocks cannot be pushed by the vanilla pistons.
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Other changes include a big difference in graphical design, as the piston mod had a silver, more modern looking texture with a thick bar, where the pistons in the game have a more medieval-themed texture, with a stone base, and thin wooden pushing pad.
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You can find a complete installation guide for different operating systems on the [http://www.minecraftforum.net/topic/271380-language-pack-mods-compilation-ideas-tutorial/ Minecraft Forums].
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== Bugs ==
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===== Up-to-date Language Packs =====
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* When powered, both types of pistons cannot power surrounding blocks.
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* An extended piston will not retract if one of the blocks diagonal to it is powered.<ref>http://www.youtube.com/watch?v=JDB1f-qV-Ns</ref>
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* If two extended pistons are one above the other, the lower one cannot retract until the upper one retracts.<ref>http://www.youtube.com/watch?v=cMBhVdCAPYM</ref> If the top one will start extending while bottom one is still retracting, the last will start extending as well.
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* Powering pistons with a redstone torch in some cases seems to always consider the torch as "on", even if powered off.
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* Rear part of a piston during retracting has no collision: when pistons point down it is possible to glitch through them when they retract<ref>http://www.youtube.com/watch?v=4NRXY-6GFsA</ref>, it is also possible to glitch through a retracting piston while walking against it. <ref>http://www.youtube.com/watch?v=QjMRNylZKvM</ref>
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* Blocks being pushed by a piston have no collision in certain places. <ref>http://www.youtube.com/watch?v=EZMAo8LxYGU</ref>
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* When a sticky piston pulls a door, it becomes a half door attached to the piston.
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* A piston attached to a sticky piston may disappear when extended into flowing water.
* Light passes through pistons, both normal and sticky, powered and unpowered of both types.
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[[File:PistonGlitch.png|thumb|A possible implementation of the piston head glitch.]]
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* If a sticky piston is pulled down by another sticky piston, it will not pull the block it is attached to with it.
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* When an upward-facing piston attempts to repeatedly push a stack of gravity-affected blocks upward, it will destroy the blocks without dropping them to be collected.
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* Double piston can be created using unknown methods, The side piston can only be powered from above and if its powered from beneath it will retract and vanish, this bug seems to break SMP servers, therefore no tutorials are available yet. <ref>http://www.minecraftforum.net/topic/470647-pontusedbergs-double-piston/</ref> [[File:Double pistons.png|thumb|Double pistons Very strange bug, Could be used as a turn for piston monorails or side stone's for self building houses.]]
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* Pistons can get stuck on and off simultaneously. The only way to fix this is to destroy the piston and replace it.
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[[File:Stuck_piston_glitch.png|thumb|A piston stuck on and off at the same time.]]
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* When a piston or a sticky piston is placed upwards (with the redstone input being located 1 block bellow) and a rapid pulse signal is applied to the redstone, if the player tries to break the piston or sticky piston with any item, block, tool, or hand, the piston or sticky piston will break, dropping an item, but leaving a breakable piston head in mid-air.<ref>http://www.youtube.com/watch?v=cMF6qBmkwW4</ref> This is seen in the following video:
* If a piston pushes a gravity-affected block over a hole, the block will fall, even if attached to a sticky piston.
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* Pistons cannot be used to 'crush' players or [[mobs]] against walls. A piston will simply pass through them if this is attempted. However, blocks being pushed by piston will crush players and mobs and suffocate them, making it useful for traps.
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! width="120px" | Name
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* If attached from up above, pistons may be able to push blocks downwards and suffocate the player or mobs.
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! class="unsortable" | Description
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* If a water spring is placed on top of a piston, it will disappear if the piston is extended. This also applies to lava springs.
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! class="unsortable" width="50px" | Version
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* Pistons can be placed near cacti so that when they are activated, and if the pushing end is adjacent to the base of a cactus, the cactus will break.
* If you push a burning block, the block will be put out. If you push a row of burning blocks, they will all stay on fire except for the farthest one.
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! width="50px" | Requires ModLoader
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* Pistons cannot push any block into level 128.
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! width="50px" | Author
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* Pistons can be used to create logic gates. These may be more space efficient than standard gates and clocks created from them can also operate at much higher speeds without burnout.
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|-
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* Pistons may also be used the same way one-way or minecart-only soul sand gates work by putting an extended piston one block above a minecart track allowing only small or tiny slimes and chickens to enter. Doing this keeps pursuing mobs out (except for slimes). When a minecart passes through the player will not be suffocated and continue going. Alternatively they can be used to make entire 2 block high doors for minecarts on a slope, since if a block is put adjacent to the theoretical hypotenuse of the slope it will touch the rails, but not cut them off and will allow no space for any mobs at all.
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| German Language Pack
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| style="text-align: left;" | German translation of Minecraft
Image:Pistonscreen.png|Screenshot of Pistons in the 1.7 update.
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Image:Pistons.png|Another screenshot of official Pistons.
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Image:PistonParadox.png|Notch's explanation on how the rod fits into the piston box.<ref>http://twitter.com/#!/notch/status/83513677654929408</ref>
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File:Pistongates.png|Fundamental logic gates, implemented purely with pistons and [[Redstone (Repeater)|redstone repeaters]], clockwise from upper left: AND, OR, XOR, and NOT.
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File:Pistonslowclockgenerator.png|(Very) slow clock generator with pistons and redstone.
<ref name="TileEntityPiston">[http://www.reddit.com/r/Minecraft/comments/hvkmo/attribution_of_the_piston_mod_in_vanilla_minecraft/ Attribution of the Piston Mod in vanilla Minecraft], [[Jeb]], 2011-06-09, Reddit r/Minecraft
| Steampunk Mod Pak — Merges Biosphere mod + Modloader + Airships + Balkin's Weapons for an ultimate Steampunk mod pack (link removed by forum moderators).
'''Server Mods''' are modifications to the official Minecraft server software. They generally fall into two broad categories: management and gameplay.
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Management mods are commonly designed to make administration of servers easier by implementing tiered privileges for commands (such as kicking, banning etc.). They are frequently implemented as "wrappers" which do not actually modify the main server .jar file, instead monitoring its output and sending commands to it.
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Gameplay mods are modifications to actual game mechanics, such as restricting the placement of blocks commonly abused by [[Griefing|Griefers]] (e.g. lava, TNT), fixing bugs in the server (e.g. making furnaces function before the update of 10th of September 2010) or adding new gameplay features.
MC Kingdom is a town creation and management mod that also organizes player groups, warfare, stock/demand economy and town protection. Works with ModLoader
iZone is a server mod that allows an admin to allocate zones, similar to lots, which can be assigned to players. These zones have "flags" added to them. These flags include:
* Automatic detection of 32 or 64 bit operating system
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* Player option, now can control your Ops, White List, Banned players * and ips
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* Fixed Server Port
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* Fixed Level Seed
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* Much More
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| style="text-align: center;" | V3.0 ([[Beta]])
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| style="text-align: center;" | [http://www.minecraftforum.net/topic/395864-tool-minecraft-server-launcher-v25/ Minecraft Server Launcher Forum Thread]
This mod at one time featured a back-door that allowed the developers to bypass the whitelist, bans and possibly any server command available. After an episode of abuse of this back-door by a developer went public, the code was quickly made open source and all back-doors removed. [http://forums.redstonewire.com/viewtopic.php?f=1013&t=66067] [http://www.reddit.com/r/Minecraft/comments/dxm6h/apparently_dont_use_mcadmin/c13ow21]
Pistons are redstone triggered. When powered, their wooden surface extends outwards by 1 block, pushing up to a maximum of 12 blocks.[1][2]
When going back to the unpowered state, it does not pull back any block. See Sticky Piston for that.
Its wooden surface can also push players, mobs and other entities on the floor by 1 block if they are in the way. However, if there is no space for the player/mob/entity to be pushed, the extended piston head will just pass through them without harm. The piston can still push a mob or player off a one block wide walkway, which can be coupled with a pressure plate for a fairly effective trap.
The extended piston head is considered solid and transparent (just like Glass). If a piston head extends into a player/mob this way, they will not suffocate, and the player/mob can move out of it but not back into it.
Similarly, if a block pushed by a piston is pushed into a player/mob, the player/mob will get pushed if there is space. If there is no space, the block will start to occupy the same space as the player/mob and cause suffocation if the block is opaque.
When blocks are pushed by a piston, they are momentarily non-solid and cause any players/items on the moving block to fall through the moving block.
Pistons can be used to toggle fluids flows like a flood gate by extending into or retracting from the space where water will flow through.
Pistons can push Minecarts and boats. Note that if the minecart is on a rail, the rail will also get pushed.
Pushing blocks
Some blocks cannot be pushed by Pistons and the piston head will not extend:
Pistons will not push blocks into The Void or the top of the map.
Extended pistons (both sticky and normal) because moving blocks are temporarily stored as tile entities.[3][4]
Portals
Pumpkins, Cobwebs and Jack-O-Lanterns are turned back into items when pushed. (If trying to create extendable/retractable lighting, you can use Glowstone instead.)
Pistons cannot push water or lava, only obstruct it. A piston head extending into a water or lava source block will destroy the source block.
Pistons cannot push most blocks that are "attached to a block” such as levers, torches, redstone, signs, etc. They will be detached and drop as an item. Exceptions include:
Trapdoors, as long as their hinged side remains attached to a solid block in their new position.
Rails (and Powered Rail, Detector Rail) as long as they remain on top of a solid block in their new position. Rails will re-orient themselves after being pushed just as they do when placed manually.
Blocks that are attached to pushed blocks will be broken off unless the block which is now under/behind them is also acceptable; for example, torches can be placed on a "self-repairing" cobblestone structure.
Pistons cannot push a chain of blocks more than 12 blocks long, else they will not extend.
Powering Pistons
Pistons can be powered horizontally through single blocks by way of either redstone or repeaters
Pistons can be powered by a torch directly adjacent to them (above, below, or to the side)
Pistons can be powered by a torch from below when said torch would power the block the pistons are resting on (just like powered rails)
Pistons can be powered by any powered block directly adjacent to them, and by any powered block one block above and to the side. However, the piston won't recompute its state unless a block directly next to it is changed. An adjacent piston retracting causes a recompute, but an adjacent piston extending doesn't.
Both redstone dust and repeaters will power the piston directly in front of it as well as a second piston below this piston. This allows a wall made completely of pistons to be constructed.
When toggled between on and off rapidly with a gravity affected block (such as sand) above it, a piston will eventually break the block, which can be picked up as a resource.
A repeater cannot transfer power through a piston.
Common Usage
Pistons are commonly used to push/pull blocks to simulate opening and closing doors, gates and to create traps.
Pistons can be used to make self-repairing bridges by using cobblestone from a cobblestone generator. The same principle can be used to make a self-repairing house.
When used in conjunction with redstone repeaters, pistons can make a redstone piston clock capable of almost any speed.
A piston powered clock linked up to a square of blocks designed to be pushed round in a loop can create an endless loop of data. Combined with the inability of transparent blocks (such as glass) to transmit power, a redstone repeater can be run into the pushed data block to optionally perform a function on the other side. Scale this up into 3 dimensions and you get an array of data looping round, being tested to see if it transmits the power or not. This can be used to create redstone sign outputs, to play musical sequences, and a countless list of other things.[5]
Another use for Pistons is to put a block on top an upward facing piston, with a track on top of that, then have a minecart one block away from it on the track so that when you activate the Piston it will slant the track and get the minecart started. This will work better with a Sticky Piston, so the track does not need to be manually reset.
Pistons can be used to move blocks like glass or ice that cannot be picked up. However, pistons cannot push obsidian.
Pistons can be used for automated farming. Using a sticky piston with a dirt block or similar solid block attached, the piston is capable of pushing wheat or sugarcane off soil- the blocks will subsequently turn it into their respective items. Two sticky pistons with solid blocks attached can also be used to convert trees into log items as well; although it can require some ingenuity to determine out how to get the topmost logs down to the ground using this method.
History
The original piston was a mod posted on the Minecraft Forums by Hippoplatimus.[6] The code for that version was given to Jeb, who then worked on shortly implementing them into vanilla Minecraft. However, due to his work on the Pocket Edition, pistons were delayed, and were not released for the 1.5 update nor for the 1.6 update.
Finally, when the Pocket Edition was good enough to show at E3, Jeb went back to work on the PC version of Minecraft and pistons were finally added in version 1.7, including Sticky Pistons.
Differences with the piston mod
Differences of the vanilla type in comparison to the mod version:
Gain of Function
Pistons now are crafted with cheaper materials, so building them is considerably easier.
"Upgrading" a piston into a sticky piston is now possible (although pistons cannot be converted back).
Pistons can no longer be accidentaly reoriented by an unintentional right click.
They break far faster, making for quick replacing.
Pistons now work in multiplayer.
Loss of Function
Can no longer thrust (gravity-affected) blocks and items upwards and send them flying.[7] However, if a gravity-affected block is sitting on an upward-facing piston, and the piston retracts, the block will fall.
Vanilla pistons must be removed and placed again to change their orientation, rather than just right clicking.
Slimeballs are somewhat of a rarity unless you have a Slime farm, making sticky pistons harder to craft.
Vanilla pistons can only push 12 blocks, while the others could push 16 blocks.
Blocks can no longer be 'Crushed' between two pistons.
Tile entities, such as chests, furnaces and note-blocks cannot be pushed by the vanilla pistons.
Other changes include a big difference in graphical design, as the piston mod had a silver, more modern looking texture with a thick bar, where the pistons in the game have a more medieval-themed texture, with a stone base, and thin wooden pushing pad.
Bugs
When powered, both types of pistons cannot power surrounding blocks.
An extended piston will not retract if one of the blocks diagonal to it is powered.[8]
If two extended pistons are one above the other, the lower one cannot retract until the upper one retracts.[9] If the top one will start extending while bottom one is still retracting, the last will start extending as well.
Powering pistons with a redstone torch in some cases seems to always consider the torch as "on", even if powered off.
Rear part of a piston during retracting has no collision: when pistons point down it is possible to glitch through them when they retract[10], it is also possible to glitch through a retracting piston while walking against it. [11]
Blocks being pushed by a piston have no collision in certain places. [12]
When a sticky piston pulls a door, it becomes a half door attached to the piston.
A piston attached to a sticky piston may disappear when extended into flowing water.
A possible implementation of the piston head glitch.
If a sticky piston is pulled down by another sticky piston, it will not pull the block it is attached to with it.
When an upward-facing piston attempts to repeatedly push a stack of gravity-affected blocks upward, it will destroy the blocks without dropping them to be collected.
Double piston can be created using unknown methods, The side piston can only be powered from above and if its powered from beneath it will retract and vanish, this bug seems to break SMP servers, therefore no tutorials are available yet. [13]File:Double pistons.png
Double pistons Very strange bug, Could be used as a turn for piston monorails or side stone's for self building houses.
Pistons can get stuck on and off simultaneously. The only way to fix this is to destroy the piston and replace it.
When a piston or a sticky piston is placed upwards (with the redstone input being located 1 block bellow) and a rapid pulse signal is applied to the redstone, if the player tries to break the piston or sticky piston with any item, block, tool, or hand, the piston or sticky piston will break, dropping an item, but leaving a breakable piston head in mid-air.[14] This is seen in the following video:
{ev#:youtube|cMF6qBmkwW4}
Trivia
If a piston pushes a gravity-affected block over a hole, the block will fall, even if attached to a sticky piston.
Pistons cannot be used to 'crush' players or mobs against walls. A piston will simply pass through them if this is attempted. However, blocks being pushed by piston will crush players and mobs and suffocate them, making it useful for traps.
If attached from up above, pistons may be able to push blocks downwards and suffocate the player or mobs.
If a water spring is placed on top of a piston, it will disappear if the piston is extended. This also applies to lava springs.
Pistons can be placed near cacti so that when they are activated, and if the pushing end is adjacent to the base of a cactus, the cactus will break.
If you push a burning block, the block will be put out. If you push a row of burning blocks, they will all stay on fire except for the farthest one.
Pistons cannot push any block into level 128.
Pistons can be used to create logic gates. These may be more space efficient than standard gates and clocks created from them can also operate at much higher speeds without burnout.
Pistons may also be used the same way one-way or minecart-only soul sand gates work by putting an extended piston one block above a minecart track allowing only small or tiny slimes and chickens to enter. Doing this keeps pursuing mobs out (except for slimes). When a minecart passes through the player will not be suffocated and continue going. Alternatively they can be used to make entire 2 block high doors for minecarts on a slope, since if a block is put adjacent to the theoretical hypotenuse of the slope it will touch the rails, but not cut them off and will allow no space for any mobs at all.
Gallery
OldPiston.png
Pistons in the mod look.
Screenshot of Pistons in the 1.7 update.
Pistons.png
Another screenshot of official Pistons.
Notch's explanation on how the rod fits into the piston box.[15]
Fundamental logic gates, implemented purely with pistons and redstone repeaters, clockwise from upper left: AND, OR, XOR, and NOT.
(Very) slow clock generator with pistons and redstone.
![Notch's explanation on how the rod fits into the piston box.[15]](https://static.wikia.nocookie.net/minecraft_gamepedia/images/0/09/PistonParadox.png/revision/latest/scale-to-width-down/90?cb=20110630022226)
![Notch's explanation on how the rod fits into the piston box.[15]](https://static.wikia.nocookie.net/minecraft_gamepedia/images/0/09/PistonParadox.png/revision/latest?cb=20110630022226)
