--- ../src-base/minecraft/net/minecraft/entity/EntityLiving.java
+++ ../src-work/minecraft/net/minecraft/entity/EntityLiving.java
@@ -170,6 +170,7 @@
     public void func_70624_b(@Nullable EntityLivingBase p_70624_1_)
     {
         this.field_70696_bz = p_70624_1_;
+        net.minecraftforge.common.ForgeHooks.onLivingSetAttackTarget(this, p_70624_1_);
     }
 
     public boolean func_70686_a(Class <? extends EntityLivingBase > p_70686_1_)
@@ -576,7 +577,7 @@
         super.func_70636_d();
         this.field_70170_p.field_72984_F.func_76320_a("looting");
 
-        if (!this.field_70170_p.field_72995_K && this.func_98052_bS() && !this.field_70729_aU && this.field_70170_p.func_82736_K().func_82766_b("mobGriefing"))
+        if (!this.field_70170_p.field_72995_K && this.func_98052_bS() && !this.field_70729_aU && net.minecraftforge.event.ForgeEventFactory.getMobGriefingEvent(this.field_70170_p, this))
         {
             for (EntityItem entityitem : this.field_70170_p.func_72872_a(EntityItem.class, this.func_174813_aQ().func_72314_b(1.0D, 0.0D, 1.0D)))
             {
@@ -702,10 +703,22 @@
 
     protected void func_70623_bb()
     {
+        net.minecraftforge.fml.common.eventhandler.Event.Result result = null;
         if (this.field_82179_bU)
         {
             this.field_70708_bq = 0;
         }
+        else if ((this.field_70708_bq & 0x1F) == 0x1F && (result = net.minecraftforge.event.ForgeEventFactory.canEntityDespawn(this)) != net.minecraftforge.fml.common.eventhandler.Event.Result.DEFAULT)
+        {
+            if (result == net.minecraftforge.fml.common.eventhandler.Event.Result.DENY)
+            {
+                this.field_70708_bq = 0;
+            }
+            else
+            {
+                this.func_70106_y();
+            }
+        }
         else
         {
             Entity entity = this.field_70170_p.func_72890_a(this, -1.0D);
@@ -839,7 +852,6 @@
         return !this.field_70170_p.func_72953_d(this.func_174813_aQ()) && this.field_70170_p.func_184144_a(this, this.func_174813_aQ()).isEmpty() && this.field_70170_p.func_72917_a(this.func_174813_aQ(), this);
     }
 
-    @SideOnly(Side.CLIENT)
     public float func_70603_bj()
     {
         return 1.0F;
@@ -991,6 +1003,8 @@
 
     public static EntityEquipmentSlot func_184640_d(ItemStack p_184640_0_)
     {
+        final EntityEquipmentSlot slot = p_184640_0_.func_77973_b().getEquipmentSlot(p_184640_0_);
+        if (slot != null) return slot; // FORGE: Allow modders to set a non-default equipment slot for a stack; e.g. a non-armor chestplate-slot item
         if (p_184640_0_.func_77973_b() != Item.func_150898_a(Blocks.field_150423_aK) && p_184640_0_.func_77973_b() != Items.field_151144_bL)
         {
             if (p_184640_0_.func_77973_b() instanceof ItemArmor)
@@ -1003,7 +1017,7 @@
             }
             else
             {
-                return p_184640_0_.func_77973_b() == Items.field_185159_cQ ? EntityEquipmentSlot.OFFHAND : EntityEquipmentSlot.MAINHAND;
+                return p_184640_0_.func_77973_b().isShield(p_184640_0_, null) ? EntityEquipmentSlot.OFFHAND : EntityEquipmentSlot.MAINHAND;
             }
         }
         else
@@ -1434,5 +1448,19 @@
         ON_GROUND,
         IN_AIR,
         IN_WATER;
+
+        private final java.util.function.BiPredicate<net.minecraft.world.IBlockAccess, BlockPos> spawnPredicate;
+
+        SpawnPlacementType() { this.spawnPredicate = null; }
+
+        SpawnPlacementType(java.util.function.BiPredicate<net.minecraft.world.IBlockAccess, BlockPos> spawnPredicate)
+        {
+            this.spawnPredicate = spawnPredicate;
+        }
+
+        public boolean canSpawnAt(World world, BlockPos pos)
+        {
+            return this.spawnPredicate != null ? this.spawnPredicate.test(world, pos) : net.minecraft.world.WorldEntitySpawner.canCreatureTypeSpawnBody(this, world, pos);
+        }
     }
 }