Minecraft Java Edition – How to Build a Semi-Automatic TNT Cannon Without Reloading

minecraft-java-edition

Suppose I have a hill or a mountain I wish to demolish. I created a cannon using the classic recipe so I can do this task:

TNT cannon

My problem is that reloading is quite cumbersome. I know that I can manufacture cobblestone using lava and water. Is there some way to manufature TNT somehow? If i need a mod for this it is not a problem!

So my goal is to be able to fire a primed TNT by pressing a button and without the need of reloading.

Best Answer

This is now completely possible if you have access to command blocks. The key difference is that you can use the command blocks to /summon some PrimedTNT all in one spot, and all with very short fuses.

For instance in three command blocks, you could summon the cannon charge at 0, 0:

summon PrimedTNT 0 64 0 {Fuse:5}

Changing the Y value to something appropriate for your environment. In a fourth command block, you would then summon your "cannon ball":

summon PrimedTNT 1 65 0 {Fuse:100}

The Fuse data tag is measured in redstone ticks, i.e. tenths of a second, and have a limit of 127 (signed 8-bit number / Java byte).

TNT Cannon Running

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