Add combination animation.

You can add this to your jvm args to enable examples:

-Dsccore.enable_examples=true

You can run this command to test combination animation:

/dance invite {target} sccore:normal_layers sccore:waltz_gentleman true

Then target player can click the text in the chat box or run this command:

/dance invite accept {inviter}

More information in the mod description (Just import it in your IDEA and see javadoc).