ForgePatch/patches/minecraft/net/minecraft/entity/EntityTrackerEntry.java.patch

--- ../src-base/minecraft/net/minecraft/entity/EntityTrackerEntry.java
+++ ../src-work/minecraft/net/minecraft/entity/EntityTrackerEntry.java
@@ -450,6 +450,7 @@
 
                     this.field_73132_a.func_184178_b(p_73117_1_);
                     p_73117_1_.func_184848_d(this.field_73132_a);
+                    net.minecraftforge.event.ForgeEventFactory.onStartEntityTracking(field_73132_a, p_73117_1_);
                 }
             }
             else if (this.field_73134_o.contains(p_73117_1_))
@@ -457,6 +458,7 @@
                 this.field_73134_o.remove(p_73117_1_);
                 this.field_73132_a.func_184203_c(p_73117_1_);
                 p_73117_1_.func_152339_d(this.field_73132_a);
+                net.minecraftforge.event.ForgeEventFactory.onStopEntityTracking(field_73132_a, p_73117_1_);
             }
         }
     }
@@ -489,6 +491,9 @@
             field_151262_p.warn("Fetching addPacket for removed entity");
         }
 
+        Packet pkt = net.minecraftforge.fml.common.network.internal.FMLNetworkHandler.getEntitySpawningPacket(this.field_73132_a);
+        if (pkt != null) return pkt;
+
         if (this.field_73132_a instanceof EntityPlayerMP)
         {
             return new SPacketSpawnPlayer((EntityPlayer)this.field_73132_a);