--- ../src-base/minecraft/net/minecraft/entity/EntityTracker.java
+++ ../src-work/minecraft/net/minecraft/entity/EntityTracker.java
@@ -58,6 +58,8 @@
 
     public void func_72786_a(Entity p_72786_1_)
     {
+        if (net.minecraftforge.fml.common.registry.EntityRegistry.instance().tryTrackingEntity(this, p_72786_1_)) return;
+
         if (p_72786_1_ instanceof EntityPlayerMP)
         {
             this.func_72791_a(p_72786_1_, 512, 2);
@@ -355,4 +357,23 @@
             }
         }
     }
+
+    /* ======================================== FORGE START =====================================*/
+
+    // don't expose the EntityTrackerEntry directly so mods can't mess with the data in there as easily
+    /**
+     * Get all players tracking the given Entity. The Entity must be part of the World that this Tracker belongs to.
+     * @param entity the Entity
+     * @return all players tracking the Entity
+     */
+    public Set<net.minecraft.entity.player.EntityPlayer> getTrackingPlayers(Entity entity)
+    {
+        EntityTrackerEntry entry = (EntityTrackerEntry) field_72794_c.func_76041_a(entity.func_145782_y());
+        if (entry == null)
+            return java.util.Collections.emptySet();
+        else
+            return java.util.Collections.unmodifiableSet(entry.field_73134_o);
+    }
+
+    /* ======================================== FORGE END   =====================================*/
 }