Cannons
What can it do?
Cannons is a highly configurable plugin which allows you to fire block build cannons. It is possible to aim and load different amounts of gunpowder to hit targets at different ranges. The power of redstone makes it possible to set the gun to auto load and activate the rapid fire mode. Choose your projectile from a broad spectrum of cannonballs and smash the enemy.
With Cannons 2.0 you are also able to design your own cannons using .schematic files and give each cannon their own settings, as well as different types of projectiles.

Features
- Build a cannon out blocks
- Design your own cannon and save it as .schematic
- Design and fire different projectiles to smash your enemy
- Use redstone to fire guns from distance
- Rapid fire with auto-load possible
- Destroyed blocks can be restored with CreeperHeal (if 'custom' option is true)
- Cannons will stay load and aligned due to the database
- Movement plugins (e.g. Movecraft) are supported if a cannon has a sign to store a tag
- API for ships plugins (e.g. iSails) to use cannons on ships without signs.
Videos
by ServerMiner
by wickedbrother
Out-dated showcase 1
Out-dated showcase 2
Recommended plugins
- ObsidianDestroyer
- WorldGuard (flag protection: '/region flag NAME other-explosion deny')
- CreeperHeal (set 'custom explosion' for your world to repair cannon damage)
Installation
- Install WorldEdit first (don't forget this)
- Copy the cannons.jar into your Bukkit's "plugins" directory, then run the server.
Dependencies
This plugin requires:
Metrics
This plugin utilises Hidendra's plugin metrics system, which means that the following information is collected and sent to mcstats.org:
- A unique identifier
- The server's version of Java
- Whether the server is in offline or online mode
- The plugin's version
- The server's version
- The OS version/name and architecture
- The core count for the CPU
- The number of players online
- The Metrics version If you wish to disable this feature (/me cries), you can do so by opt-ing out, which you can do in the config file under /plugins/PluginMetrics/
Information for Cannons 2.x
Tutorial:
Additional information:
Cannon Designs
- Share your designs with other people: Cannon Designs
Known Bugs
- The cannon ball (snowball) becomes invisible after 60 blocks but hits the target.
- Voxelsniper will delete Buttons/Torches when you load the gun (be careful when you click the barrel)
Need Help?
Credits
- Raser4000
- DreTax
- JlJlJl
- and many more

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Posted Jan 24, 2014Thankx for the help. I got it to work
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Posted Jan 24, 2014@CommodoreAlpha
Yes, Cannons does appear in the list and it is in green.
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Posted Jan 23, 2014@ricturd
When you do "/pl", does Cannons appear on the list? If it appears, is it in red text or green text?
If Cannons isn't on the list, it's probably not even installed, or for a bizarre reason, CraftBukkit just misses the .jar file entirely, which should never happen. If it IS on the list, but it's in red text, it didn't start up properly.
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Posted Jan 23, 2014and world edit.
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Posted Jan 23, 2014Yes I do have worldguard
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Posted Jan 23, 2014I own my own public server. This plugin won't even work or display any errors. PLEASE help. there is no messages or anything from it. not even a error in the console. latest version and bukkit version 1.7.2R0.2
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Posted Jan 23, 2014Is there any continous development server, like jenkins? If there is not, make one please! I love dev builds!
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Posted Jan 23, 2014@Hmmcrunchy The owner stuff needs definitely more love. I will add a command where you can add player which can use this cannon.
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Posted Jan 23, 2014this is an amazing plugin :D
works great in conjunction with movecraft to make cannon ships and airships XD amazing
is the owner only a setting on route next update so we can have geenral use cannons anyone can use
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Posted Jan 22, 2014@rasnyderiii Only block penetration seems to make a problem. I will figure this out.
EDIT: Fixed the problem. I will release it as soon as possible.
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Posted Jan 21, 2014This plugin *now* bypasses towny advanced protection - it did not used to..
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Posted Jan 14, 2014@DerPavlov
Yup, from our testing it seems the person who built the cannon gets a message if you try to load more gunpowder when it's full.
So far, I've just seen that and the destroyed message, so it may just be that one, but we are still checking to make sure there aren't others.
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Posted Jan 14, 2014@Eidalac You should not get a messages if someone loads a cannon which you created. Only the player operating the cannon should get notified. However if one of your cannons is destroyed, then you will get a message, no matter where you are.
If there are messages which are send to the wrong player (or to many), please let me know.
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Posted Jan 13, 2014While testing, I notice that if you are the one who completes the cannon, it seems you are the only one to get messages about it, even if you are far away (in another world).
The player firing may be getting the message as well, I'm waiting on my players to get back to me with that detail, but it seems a bit odd that I'm getting the messages when someone is putting too much gunpowder in some random cannon.
I'd prefer if only the person loading/firing gets that, or at least make it configurable.
Assuming your code will support that, of course.
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Posted Jan 11, 2014@nullschrittWhat protection plugin do you use. Since tnt is handled different than a cannons explosions, one might be blocked. There should be a message for the impact: "Impact act x,y,z but the area is protected. Can you check also the log if there any errors?
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Posted Jan 10, 2014@DerPavlov
When my cannons impact a target, no damage is done, even though I've made sure the projectile config for cabblestone is set to do damage. (other explosions still work)
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Posted Jan 8, 2014it works, if you wish to see the catapult or the ballista go here
http://imgur.com/a/wJD2d
just as a fyi the levers are supposed to be torches, it is like this so people cant use these ones as they are in the spawn tutorial.
I also have to say I really like this plugin, and wish you the best of luck to its development, I highly believe that this plugin could become the next factions so to speak. (by this I mean get really really huge)
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Posted Jan 8, 2014I take it you mean it will add 2 options, and that was a great idea for the stick.
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Posted Jan 8, 2014@gollumking I will add two option: consumes gunpowder and consumes projectile.
Yup.
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Posted Jan 7, 2014But wouldnt that make it so they dont need to load the arrow, making it infinite shots all round, or just infinite gunpowder.
And the defualt is the one in the schematic right?