implement sheep shearing

* Added shearing sheeps

* Added empty line

* Changed comment in MobData to say what the middle 1 bit is used for

* Replaced if statements with a switch statement and early returns

* Send mob metadata to players that join

* Fixed mob metadata getting freed when exiting the switch statement

* remove currently unnecessary check

* use bitwise and in place of modulo

* style nitpicks

---------

Co-authored-by: p2r3 <p2r3@p2r3.com>

src/main.c

@@ -156,6 +156,7 @@ void handlePacket (int client_fd, int length, int packet_id, int state) {
             mob_data[i].type, mob_data[i].x, mob_data[i].y, mob_data[i].z,
             0, 0
           );
+          broadcastMobMetadata(client_fd, -2 - i);
         }
 
       }