Add job for farming trees and object physics

protocol/packets.py

@@ -334,9 +334,9 @@ class SpawnLivingEntityPacket(Packet):
         {'yaw': Angle},
         {'pitch': Angle},
         {'head_pitch': Angle},
-        {'x_velocity': Short},
-        {'y_velocity': Short},
-        {'z_velocity': Short},
+        {'velocity_x': Short},
+        {'velocity_y': Short},
+        {'velocity_z': Short},
     ]
 
 class EntityPositionPacket(Packet):
@@ -370,3 +370,32 @@ class EntityPositionRotationPacket(Packet):
         {'pitch': Angle},
         {'on_ground': Boolean},
     ]
+
+class DestroyEntitiesPacket(Packet):
+    # Sent by the server when a list of entities is to be destroyed on the client
+    # https://wiki.vg/Protocol#Destroy_Entities
+
+    id = 0x36
+    packet_name = 'destroy entities'
+    fields = 'count', 'entity_ids'
+
+    def read(self, file_object):
+        self.count = VarInt.read(file_object)
+        self.entity_ids = []
+        for _ in range(self.count):
+            eid = VarInt.read(file_object)
+            self.entity_ids.append(eid)
+
+class EntityVelocityPacket(Packet):
+    # Sent to update entity's velocity
+    # https://wiki.vg/Protocol#Entity_Velocity
+
+    id = 0x46
+    packet_name = 'entity velocity'
+
+    definition = [
+        {'entity_id': VarInt},
+        {'velocity_x': Short},
+        {'velocity_y': Short},
+        {'velocity_z': Short},
+    ]