This mod adds some new tags to control how blocks behave when pushed by pistons. It also lets you push Tile Entities!

Note: this is the Forge Edition. The Fabric edition is elsewhere (link).

This requires MixinBootstrap.

It adds the following tags:

pistoncontrol:blocks/piston_behavior_normal - makes a block behave as normal when pushed by a piston.
pistoncontrol:blocks/piston_behavior_destroy - makes a block break when pushed by a piston.
pistoncontrol:blocks/piston_behavior_block - makes a block act like obsidian, stopping the piston from moving.
pistoncontrol:blocks/piston_behavior_push_only - makes a block act like glazed terracotta, stopping sticky pistons from pulling it back.
pistoncontrol:blocks/sticky_blocks - makes a block act like slime or honey, grabbing blocks around when pushed.
pistoncontrol:entity_types/piston_behavior_ignore - makes entities ignore pistons.
pistoncontrol:entity_types/piston_behavior_normal - makes entities not ignore pistons.

Available on jitpack if you want to use it as a library: https://jitpack.io/#williambl/piston-control-forge

Piston Control: Forge Edition