This hook is called when Cuberite receives a left-click packet from the client. It is called before any processing whatsoever is performed on the packet, meaning that hacked / malicious clients may be trigerring this event very often and with unchecked parameters. Therefore plugin authors are advised to use extreme caution with this callback.
Plugins may refuse the default processing for the packet, causing Cuberite to behave as if the packet has never arrived. This may, however, create inconsistencies in the client - the client may think that they broke a block, while the server didn't process the breaking, etc. For this reason, if a plugin refuses the processing, Cuberite sends the block specified in the packet back to the client (as if placed anew), if the status code specified a block-break action. For other actions, plugins must rectify the situation on their own.
The client sends the left-click packet for several other occasions, such as dropping the held item (Q keypress) or shooting an arrow. This is reflected in the Status code. Consult the protocol documentation for details on the actions.
The default name for the callback function is OnPlayerLeftClick. It has the following signature:
function MyOnPlayerLeftClick(Player, BlockX, BlockY, BlockZ, BlockFace, Action)
If the function returns false or no value, Cuberite calls other plugins' callbacks and finally sends the packet for further processing.
If the function returns true, no other plugins are called, processing is halted. If the action was a block dig, Cuberite sends the block specified in the coords back to the client. The packet is dropped.
Registering the callback