Gathering

Registers the /WoodAdd command, which adds a wood node spawn point where the admin is looking and spawns a breakable wooden prop there.

Registers the /WoodRemove command, which removes wood node spawn points around where the admin is looking.

Shared definition of the cw_wood entity, a copy of cw_garbage that keeps its Garbage Spawnpoint name, the TYPE_WATERCAN and TYPE_SUPPLIES globals and the networked index variable.