Bukkit

Needs worldedit!!
This plugin needs worldedit to start and load cannon schematics.
http://dev.bukkit.org/bukkit-plugins/worldedit/

This version works for 1.7.9-R0.2 and newer.

Changelog:

• reduced database traffic
• added new option for cannons to keep a projectile loaded after firing.
• fixed problem with heatmangemet. The cannon does not heat up any more if disabled.
• pushing projectiles is only required after the last projectile of a magazine was fired
• changed player storage from strings to UUID
• CannonEntityDeathEvent uses now UUID for the shooter
• cannonballs will be deleted if they are below -64
• added lifetime for cannonballs of 1h. After this time the projectiles will be removed.
• observer can now be canceled by left click, which teleports you back
• observer will teleport you back if the projectile leaves the world
• added new command '/cannons get' to retrieve the cannon design and name