This now removes the need for recursing around for structures comprised of multiple blocks. Instead, override getAffectedBlocks() to return all blocks that need to be deleted when the current block is deleted, and make sure that only one half of the block drops something. When a player breaks one of the blocks, all the blocks affected by that block will also be destroyed, creating particles and sounds where appropriate.
This fixes creative drops for double plants and beds.
* Improve usability of Sign API
* PHP
* Throw exceptions if out of range
* Fix phpdocs
* Formatting, additional checks in the SignChangeEvent.
* Blame php storm
* require line count to always be 4
* Adjust exception message
