diff --git a/patches/minecraft/net/minecraft/block/Block.java.patch b/patches/minecraft/net/minecraft/block/Block.java.patch
index 493340132..102f4415c 100644
--- a/patches/minecraft/net/minecraft/block/Block.java.patch
+++ b/patches/minecraft/net/minecraft/block/Block.java.patch
@@ -116,9 +116,12 @@
      }
  
      public final void func_149697_b(World p_149697_1_, int p_149697_2_, int p_149697_3_, int p_149697_4_, int p_149697_5_, int p_149697_6_)
-@@ -624,18 +652,14 @@
+@@ -622,20 +650,16 @@
+ 
+     public void func_149690_a(World p_149690_1_, int p_149690_2_, int p_149690_3_, int p_149690_4_, int p_149690_5_, float p_149690_6_, int p_149690_7_)
      {
-         if (!p_149690_1_.field_72995_K)
+-        if (!p_149690_1_.field_72995_K)
++        if (!p_149690_1_.field_72995_K && !p_149690_1_.restoringBlockSnapshots) // do not drop items while restoring blockstates, prevents item dupe
          {
 -            int j1 = this.func_149679_a(p_149690_7_, p_149690_1_.field_73012_v);
 +            ArrayList<ItemStack> items = getDrops(p_149690_1_, p_149690_2_, p_149690_3_, p_149690_4_, p_149690_5_, p_149690_7_);
@@ -139,9 +142,12 @@
                  }
              }
          }
-@@ -645,6 +669,11 @@
+@@ -643,8 +667,13 @@
+ 
+     protected void func_149642_a(World p_149642_1_, int p_149642_2_, int p_149642_3_, int p_149642_4_, ItemStack p_149642_5_)
      {
-         if (!p_149642_1_.field_72995_K && p_149642_1_.func_82736_K().func_82766_b("doTileDrops"))
+-        if (!p_149642_1_.field_72995_K && p_149642_1_.func_82736_K().func_82766_b("doTileDrops"))
++        if (!p_149642_1_.field_72995_K && p_149642_1_.func_82736_K().func_82766_b("doTileDrops") && !p_149642_1_.restoringBlockSnapshots) // do not drop items while restoring blockstates, prevents item dupe
          {
 +            if (captureDrops.get())
 +            {
diff --git a/patches/minecraft/net/minecraft/item/ItemLilyPad.java.patch b/patches/minecraft/net/minecraft/item/ItemLilyPad.java.patch
new file mode 100644
index 000000000..1196c91da
--- /dev/null
+++ b/patches/minecraft/net/minecraft/item/ItemLilyPad.java.patch
@@ -0,0 +1,17 @@
+--- ../src-base/minecraft/net/minecraft/item/ItemLilyPad.java
++++ ../src-work/minecraft/net/minecraft/item/ItemLilyPad.java
+@@ -46,7 +46,14 @@
+ 
+                 if (p_77659_2_.func_147439_a(i, j, k).func_149688_o() == Material.field_151586_h && p_77659_2_.func_72805_g(i, j, k) == 0 && p_77659_2_.func_147437_c(i, j + 1, k))
+                 {
++                    // special case for handling block placement with water lilies
++                    net.minecraftforge.common.util.BlockSnapshot blocksnapshot = net.minecraftforge.common.util.BlockSnapshot.getBlockSnapshot(p_77659_2_, i, j + 1, k);
+                     p_77659_2_.func_147449_b(i, j + 1, k, Blocks.field_150392_bi);
++                    if (net.minecraftforge.event.ForgeEventFactory.onPlayerBlockPlace(p_77659_3_, blocksnapshot, net.minecraftforge.common.util.ForgeDirection.UP).isCanceled()) 
++                    {
++                        blocksnapshot.restore(true, false);
++                        return p_77659_1_;
++                    }
+ 
+                     if (!p_77659_3_.field_71075_bZ.field_75098_d)
+                     {
diff --git a/patches/minecraft/net/minecraft/item/ItemStack.java.patch b/patches/minecraft/net/minecraft/item/ItemStack.java.patch
index 10f06c8c7..f0d3176e3 100644
--- a/patches/minecraft/net/minecraft/item/ItemStack.java.patch
+++ b/patches/minecraft/net/minecraft/item/ItemStack.java.patch
@@ -8,7 +8,15 @@
  
  public final class ItemStack
  {
-@@ -182,7 +183,7 @@
+@@ -124,6 +125,7 @@
+ 
+     public boolean func_77943_a(EntityPlayer p_77943_1_, World p_77943_2_, int p_77943_3_, int p_77943_4_, int p_77943_5_, int p_77943_6_, float p_77943_7_, float p_77943_8_, float p_77943_9_)
+     {
++        if (!p_77943_2_.field_72995_K) return net.minecraftforge.common.ForgeHooks.onPlaceItemIntoWorld(this, p_77943_1_, p_77943_2_, p_77943_3_, p_77943_4_, p_77943_5_, p_77943_6_, p_77943_7_, p_77943_8_, p_77943_9_);
+         boolean flag = this.func_77973_b().func_77648_a(this, p_77943_1_, p_77943_2_, p_77943_3_, p_77943_4_, p_77943_5_, p_77943_6_, p_77943_7_, p_77943_8_, p_77943_9_);
+ 
+         if (flag)
+@@ -182,7 +184,7 @@
  
      public int func_77976_d()
      {
@@ -17,7 +25,7 @@
      }
  
      public boolean func_77985_e()
-@@ -192,7 +193,7 @@
+@@ -192,7 +194,7 @@
  
      public boolean func_77984_f()
      {
@@ -26,7 +34,7 @@
      }
  
      public boolean func_77981_g()
-@@ -202,32 +203,27 @@
+@@ -202,32 +204,27 @@
  
      public boolean func_77951_h()
      {
@@ -64,7 +72,7 @@
      }
  
      public boolean func_96631_a(int p_96631_1_, Random p_96631_2_)
-@@ -259,8 +255,8 @@
+@@ -259,8 +256,8 @@
                  }
              }
  
@@ -75,7 +83,7 @@
          }
      }
  
-@@ -319,7 +315,7 @@
+@@ -319,7 +316,7 @@
  
      public boolean func_150998_b(Block p_150998_1_)
      {
@@ -84,7 +92,7 @@
      }
  
      public boolean func_111282_a(EntityPlayer p_111282_1_, EntityLivingBase p_111282_2_)
-@@ -626,16 +622,24 @@
+@@ -626,16 +623,24 @@
          {
              arraylist.add("Durability: " + (this.func_77958_k() - this.func_77952_i()) + " / " + this.func_77958_k());
          }
@@ -110,7 +118,7 @@
      public EnumRarity func_77953_t()
      {
          return this.func_77973_b().func_77613_e(this);
-@@ -737,7 +741,7 @@
+@@ -737,7 +742,7 @@
          }
          else
          {
diff --git a/patches/minecraft/net/minecraft/network/NetHandlerPlayServer.java.patch b/patches/minecraft/net/minecraft/network/NetHandlerPlayServer.java.patch
index 311ad8a72..cc1d23ada 100644
--- a/patches/minecraft/net/minecraft/network/NetHandlerPlayServer.java.patch
+++ b/patches/minecraft/net/minecraft/network/NetHandlerPlayServer.java.patch
@@ -103,7 +103,15 @@
                  {
                      return;
                  }
-@@ -500,7 +532,11 @@
+@@ -487,6 +519,7 @@
+         WorldServer worldserver = this.field_147367_d.func_71218_a(this.field_147369_b.field_71093_bK);
+         ItemStack itemstack = this.field_147369_b.field_71071_by.func_70448_g();
+         boolean flag = false;
++        boolean placeResult = true;
+         int i = p_147346_1_.func_149576_c();
+         int j = p_147346_1_.func_149571_d();
+         int k = p_147346_1_.func_149570_e();
+@@ -500,7 +533,11 @@
                  return;
              }
  
@@ -116,7 +124,7 @@
          }
          else if (p_147346_1_.func_149571_d() >= this.field_147367_d.func_71207_Z() - 1 && (p_147346_1_.func_149568_f() == 1 || p_147346_1_.func_149571_d() >= this.field_147367_d.func_71207_Z()))
          {
-@@ -511,7 +547,9 @@
+@@ -511,9 +548,15 @@
          }
          else
          {
@@ -125,9 +133,25 @@
 +            dist *= dist;
 +            if (this.field_147380_r && this.field_147369_b.func_70092_e((double)i + 0.5D, (double)j + 0.5D, (double)k + 0.5D) < dist && !this.field_147367_d.func_96290_a(worldserver, i, j, k, this.field_147369_b))
              {
-                 this.field_147369_b.field_71134_c.func_73078_a(this.field_147369_b, worldserver, itemstack, i, j, k, l, p_147346_1_.func_149573_h(), p_147346_1_.func_149569_i(), p_147346_1_.func_149575_j());
+-                this.field_147369_b.field_71134_c.func_73078_a(this.field_147369_b, worldserver, itemstack, i, j, k, l, p_147346_1_.func_149573_h(), p_147346_1_.func_149569_i(), p_147346_1_.func_149575_j());
++                // record block place result so we can update client itemstack size if place event was cancelled.
++                if (!this.field_147369_b.field_71134_c.func_73078_a(this.field_147369_b, worldserver, itemstack, i, j, k, l, p_147346_1_.func_149573_h(), p_147346_1_.func_149569_i(), p_147346_1_.func_149575_j()))
++                {
++                    placeResult = false;
++                }
              }
-@@ -677,6 +715,8 @@
+ 
+             flag = true;
+@@ -572,7 +615,7 @@
+             this.field_147369_b.field_71070_bA.func_75142_b();
+             this.field_147369_b.field_71137_h = false;
+ 
+-            if (!ItemStack.func_77989_b(this.field_147369_b.field_71071_by.func_70448_g(), p_147346_1_.func_149574_g()))
++            if (!ItemStack.func_77989_b(this.field_147369_b.field_71071_by.func_70448_g(), p_147346_1_.func_149574_g()) || !placeResult) // force client itemstack update if place event was cancelled
+             {
+                 this.func_147359_a(new S2FPacketSetSlot(this.field_147369_b.field_71070_bA.field_75152_c, slot.field_75222_d, this.field_147369_b.field_71071_by.func_70448_g()));
+             }
+@@ -677,6 +720,8 @@
              else
              {
                  ChatComponentTranslation chatcomponenttranslation1 = new ChatComponentTranslation("chat.type.text", new Object[] {this.field_147369_b.func_145748_c_(), s});
@@ -136,7 +160,7 @@
                  this.field_147367_d.func_71203_ab().func_148544_a(chatcomponenttranslation1, false);
              }
  
-@@ -812,7 +852,7 @@
+@@ -812,7 +857,7 @@
                          return;
                      }
  
diff --git a/patches/minecraft/net/minecraft/world/World.java.patch b/patches/minecraft/net/minecraft/world/World.java.patch
index 622f6d918..5643a8c8c 100644
--- a/patches/minecraft/net/minecraft/world/World.java.patch
+++ b/patches/minecraft/net/minecraft/world/World.java.patch
@@ -36,7 +36,13 @@
      public boolean field_72999_e;
      public List field_72996_f = new ArrayList();
      protected List field_72997_g = new ArrayList();
-@@ -97,6 +124,11 @@
+@@ -94,9 +121,17 @@
+     private boolean field_147481_N;
+     int[] field_72994_J;
+     private static final String __OBFID = "CL_00000140";
++    public boolean restoringBlockSnapshots = false;
++    public boolean captureBlockSnapshots = false;
++    public ArrayList<net.minecraftforge.common.util.BlockSnapshot> capturedBlockSnapshots = new ArrayList<net.minecraftforge.common.util.BlockSnapshot>();
  
      public BiomeGenBase func_72807_a(final int p_72807_1_, final int p_72807_2_)
      {
@@ -48,7 +54,7 @@
          if (this.func_72899_e(p_72807_1_, 0, p_72807_2_))
          {
              Chunk chunk = this.func_72938_d(p_72807_1_, p_72807_2_);
-@@ -143,7 +175,13 @@
+@@ -143,7 +178,13 @@
          this.field_72984_F = p_i45368_5_;
          this.field_72986_A = new WorldInfo(p_i45368_4_, p_i45368_2_);
          this.field_73011_w = p_i45368_3_;
@@ -63,7 +69,7 @@
          VillageCollection villagecollection = (VillageCollection)this.field_72988_C.func_75742_a(VillageCollection.class, "villages");
  
          if (villagecollection == null)
-@@ -157,7 +195,10 @@
+@@ -157,7 +198,10 @@
              this.field_72982_D.func_82566_a(this);
          }
  
@@ -75,7 +81,7 @@
          this.field_73020_y = this.func_72970_h();
          this.func_72966_v();
          this.func_72947_a();
-@@ -172,7 +213,7 @@
+@@ -172,7 +216,7 @@
          this.field_72994_J = new int[32768];
          this.field_73019_z = p_i45369_1_;
          this.field_72984_F = p_i45369_5_;
@@ -84,7 +90,7 @@
          this.field_72986_A = p_i45369_1_.func_75757_d();
  
          if (p_i45369_4_ != null)
-@@ -200,6 +241,15 @@
+@@ -200,6 +244,15 @@
          this.field_73011_w.func_76558_a(this);
          this.field_73020_y = this.func_72970_h();
  
@@ -100,7 +106,7 @@
          if (!this.field_72986_A.func_76070_v())
          {
              try
-@@ -225,12 +275,12 @@
+@@ -225,12 +278,12 @@
              this.field_72986_A.func_76091_d(true);
          }
  
@@ -115,7 +121,7 @@
          }
          else
          {
-@@ -242,6 +292,20 @@
+@@ -242,6 +295,20 @@
          this.func_72947_a();
      }
  
@@ -136,7 +142,7 @@
      protected abstract IChunkProvider func_72970_h();
  
      protected void func_72963_a(WorldSettings p_72963_1_)
-@@ -295,7 +359,8 @@
+@@ -295,7 +362,8 @@
  
      public boolean func_147437_c(int p_147437_1_, int p_147437_2_, int p_147437_3_)
      {
@@ -146,7 +152,82 @@
      }
  
      public boolean func_72899_e(int p_72899_1_, int p_72899_2_, int p_72899_3_)
-@@ -927,7 +992,7 @@
+@@ -367,33 +435,33 @@
+             {
+                 Chunk chunk = this.func_72964_e(p_147465_1_ >> 4, p_147465_3_ >> 4);
+                 Block block1 = null;
++                net.minecraftforge.common.util.BlockSnapshot blockSnapshot = null;
+ 
+                 if ((p_147465_6_ & 1) != 0)
+                 {
+                     block1 = chunk.func_150810_a(p_147465_1_ & 15, p_147465_2_, p_147465_3_ & 15);
++                    if (this.captureBlockSnapshots && block1 != null && !this.field_72995_K)
++                    {
++                        blockSnapshot = net.minecraftforge.common.util.BlockSnapshot.getBlockSnapshot(this, p_147465_1_, p_147465_2_, p_147465_3_, p_147465_6_);
++                        this.capturedBlockSnapshots.add(blockSnapshot);
++                    }
+                 }
+ 
+                 boolean flag = chunk.func_150807_a(p_147465_1_ & 15, p_147465_2_, p_147465_3_ & 15, p_147465_4_, p_147465_5_);
++
++                if (!flag && this.captureBlockSnapshots && block1 != null && !this.field_72995_K) 
++                {
++                    this.capturedBlockSnapshots.remove(blockSnapshot);
++                }
++
+                 this.field_72984_F.func_76320_a("checkLight");
+                 this.func_147451_t(p_147465_1_, p_147465_2_, p_147465_3_);
+                 this.field_72984_F.func_76319_b();
+ 
+-                if (flag)
++                if (flag && !this.captureBlockSnapshots) // Don't notify clients or update physics while capturing blockstates
+                 {
+-                    if ((p_147465_6_ & 2) != 0 && (!this.field_72995_K || (p_147465_6_ & 4) == 0) && chunk.func_150802_k())
+-                    {
+-                        this.func_147471_g(p_147465_1_, p_147465_2_, p_147465_3_);
+-                    }
+-
+-                    if (!this.field_72995_K && (p_147465_6_ & 1) != 0)
+-                    {
+-                        this.func_147444_c(p_147465_1_, p_147465_2_, p_147465_3_, block1);
+-
+-                        if (p_147465_4_.func_149740_M())
+-                        {
+-                            this.func_147453_f(p_147465_1_, p_147465_2_, p_147465_3_, p_147465_4_);
+-                        }
+-                    }
++                    // Modularize client and physic updates
++                    this.markAndNotifyBlock(p_147465_1_, p_147465_2_, p_147465_3_, chunk, block1, p_147465_4_, p_147465_6_);
+                 }
+ 
+                 return flag;
+@@ -405,6 +473,25 @@
+         }
+     }
+ 
++    // Split off from original setBlock(int p_147465_1_, int p_147465_2_, int p_147465_3_, Block p_147465_4_, int p_147465_5_, int p_147465_6_) method in order to directly send client and physic updates
++    public void markAndNotifyBlock(int x, int y, int z, Chunk chunk, Block oldBlock, Block newBlock, int flag)
++    {
++        if ((flag & 2) != 0 && (chunk == null || chunk.func_150802_k()))
++        {
++            this.func_147471_g(x, y, z);
++        }
++
++        if (!this.field_72995_K && (flag & 1) != 0)
++        {
++            this.func_147444_c(x, y, z, oldBlock);
++
++            if (newBlock.func_149740_M())
++            {
++                this.func_147453_f(x, y, z, newBlock);
++            }
++        }
++    }
++
+     public int func_72805_g(int p_72805_1_, int p_72805_2_, int p_72805_3_)
+     {
+         if (p_72805_1_ >= -30000000 && p_72805_3_ >= -30000000 && p_72805_1_ < 30000000 && p_72805_3_ < 30000000)
+@@ -927,7 +1014,7 @@
  
      public boolean func_72935_r()
      {
@@ -155,7 +236,7 @@
      }
  
      public MovingObjectPosition func_72933_a(Vec3 p_72933_1_, Vec3 p_72933_2_)
-@@ -1158,6 +1223,12 @@
+@@ -1158,6 +1245,12 @@
  
      public void func_72956_a(Entity p_72956_1_, String p_72956_2_, float p_72956_3_, float p_72956_4_)
      {
@@ -168,7 +249,7 @@
          for (int i = 0; i < this.field_73021_x.size(); ++i)
          {
              ((IWorldAccess)this.field_73021_x.get(i)).func_72704_a(p_72956_2_, p_72956_1_.field_70165_t, p_72956_1_.field_70163_u - (double)p_72956_1_.field_70129_M, p_72956_1_.field_70161_v, p_72956_3_, p_72956_4_);
-@@ -1166,6 +1237,12 @@
+@@ -1166,6 +1259,12 @@
  
      public void func_85173_a(EntityPlayer p_85173_1_, String p_85173_2_, float p_85173_3_, float p_85173_4_)
      {
@@ -181,7 +262,17 @@
          for (int i = 0; i < this.field_73021_x.size(); ++i)
          {
              ((IWorldAccess)this.field_73021_x.get(i)).func_85102_a(p_85173_1_, p_85173_2_, p_85173_1_.field_70165_t, p_85173_1_.field_70163_u - (double)p_85173_1_.field_70129_M, p_85173_1_.field_70161_v, p_85173_3_, p_85173_4_);
-@@ -1227,6 +1304,7 @@
+@@ -1206,6 +1305,9 @@
+ 
+     public boolean func_72838_d(Entity p_72838_1_)
+     {
++        // do not drop any items while restoring blocksnapshots. Prevents dupes
++        if (!this.field_72995_K && (p_72838_1_ == null || (p_72838_1_ instanceof net.minecraft.entity.item.EntityItem && this.restoringBlockSnapshots))) return false;
++
+         int i = MathHelper.func_76128_c(p_72838_1_.field_70165_t / 16.0D);
+         int j = MathHelper.func_76128_c(p_72838_1_.field_70161_v / 16.0D);
+         boolean flag = p_72838_1_.field_98038_p;
+@@ -1227,6 +1329,7 @@
                  this.field_73010_i.add(entityplayer);
                  this.func_72854_c();
              }
@@ -189,7 +280,7 @@
  
              this.func_72964_e(i, j).func_76612_a(p_72838_1_);
              this.field_72996_f.add(p_72838_1_);
-@@ -1398,6 +1476,20 @@
+@@ -1398,6 +1501,20 @@
  
      public int func_72967_a(float p_72967_1_)
      {
@@ -210,7 +301,7 @@
          float f1 = this.func_72826_c(p_72967_1_);
          float f2 = 1.0F - (MathHelper.func_76134_b(f1 * (float)Math.PI * 2.0F) * 2.0F + 0.5F);
  
-@@ -1414,11 +1506,9 @@
+@@ -1414,11 +1531,9 @@
          f2 = 1.0F - f2;
          f2 = (float)((double)f2 * (1.0D - (double)(this.func_72867_j(p_72967_1_) * 5.0F) / 16.0D));
          f2 = (float)((double)f2 * (1.0D - (double)(this.func_72819_i(p_72967_1_) * 5.0F) / 16.0D));
@@ -223,7 +314,7 @@
      public void func_72848_b(IWorldAccess p_72848_1_)
      {
          this.field_73021_x.remove(p_72848_1_);
-@@ -1427,6 +1517,12 @@
+@@ -1427,6 +1542,12 @@
      @SideOnly(Side.CLIENT)
      public float func_72971_b(float p_72971_1_)
      {
@@ -236,7 +327,7 @@
          float f1 = this.func_72826_c(p_72971_1_);
          float f2 = 1.0F - (MathHelper.func_76134_b(f1 * (float)Math.PI * 2.0F) * 2.0F + 0.2F);
  
-@@ -1449,6 +1545,12 @@
+@@ -1449,6 +1570,12 @@
      @SideOnly(Side.CLIENT)
      public Vec3 func_72833_a(Entity p_72833_1_, float p_72833_2_)
      {
@@ -249,7 +340,7 @@
          float f1 = this.func_72826_c(p_72833_2_);
          float f2 = MathHelper.func_76134_b(f1 * (float)Math.PI * 2.0F) * 2.0F + 0.5F;
  
-@@ -1465,9 +1567,7 @@
+@@ -1465,9 +1592,7 @@
          int i = MathHelper.func_76128_c(p_72833_1_.field_70165_t);
          int j = MathHelper.func_76128_c(p_72833_1_.field_70163_u);
          int k = MathHelper.func_76128_c(p_72833_1_.field_70161_v);
@@ -260,7 +351,7 @@
          float f4 = (float)(l >> 16 & 255) / 255.0F;
          float f5 = (float)(l >> 8 & 255) / 255.0F;
          float f6 = (float)(l & 255) / 255.0F;
-@@ -1529,6 +1629,11 @@
+@@ -1529,6 +1654,11 @@
  
      public float func_130001_d()
      {
@@ -272,7 +363,7 @@
          return WorldProvider.field_111203_a[this.field_73011_w.func_76559_b(this.field_72986_A.func_76073_f())];
      }
  
-@@ -1541,6 +1646,12 @@
+@@ -1541,6 +1671,12 @@
      @SideOnly(Side.CLIENT)
      public Vec3 func_72824_f(float p_72824_1_)
      {
@@ -285,7 +376,7 @@
          float f1 = this.func_72826_c(p_72824_1_);
          float f2 = MathHelper.func_76134_b(f1 * (float)Math.PI * 2.0F) * 2.0F + 0.5F;
  
-@@ -1602,6 +1713,8 @@
+@@ -1602,6 +1738,8 @@
      public int func_72825_h(int p_72825_1_, int p_72825_2_)
      {
          Chunk chunk = this.func_72938_d(p_72825_1_, p_72825_2_);
@@ -294,7 +385,7 @@
          int k = chunk.func_76625_h() + 15;
          p_72825_1_ &= 15;
  
-@@ -1609,7 +1722,7 @@
+@@ -1609,7 +1747,7 @@
          {
              Block block = chunk.func_150810_a(p_72825_1_, k, p_72825_2_);
  
@@ -303,7 +394,7 @@
              {
                  return k + 1;
              }
-@@ -1621,7 +1734,13 @@
+@@ -1621,7 +1759,13 @@
      @SideOnly(Side.CLIENT)
      public float func_72880_h(float p_72880_1_)
      {
@@ -318,7 +409,7 @@
          float f2 = 1.0F - (MathHelper.func_76134_b(f1 * (float)Math.PI * 2.0F) * 2.0F + 0.25F);
  
          if (f2 < 0.0F)
-@@ -1675,7 +1794,15 @@
+@@ -1675,7 +1819,15 @@
                      entity.func_85029_a(crashreportcategory);
                  }
  
@@ -335,7 +426,7 @@
              }
  
              if (entity.field_70128_L)
-@@ -1737,7 +1864,16 @@
+@@ -1737,7 +1889,16 @@
                      crashreport = CrashReport.func_85055_a(throwable1, "Ticking entity");
                      crashreportcategory = crashreport.func_85058_a("Entity being ticked");
                      entity.func_85029_a(crashreportcategory);
@@ -353,7 +444,7 @@
                  }
              }
  
-@@ -1780,7 +1916,16 @@
+@@ -1780,7 +1941,16 @@
                      crashreport = CrashReport.func_85055_a(throwable, "Ticking block entity");
                      crashreportcategory = crashreport.func_85058_a("Block entity being ticked");
                      tileentity.func_145828_a(crashreportcategory);
@@ -371,7 +462,7 @@
                  }
              }
  
-@@ -1794,7 +1939,7 @@
+@@ -1794,7 +1964,7 @@
  
                      if (chunk != null)
                      {
@@ -380,7 +471,7 @@
                      }
                  }
              }
-@@ -1802,6 +1947,10 @@
+@@ -1802,6 +1972,10 @@
  
          if (!this.field_147483_b.isEmpty())
          {
@@ -391,7 +482,7 @@
              this.field_147482_g.removeAll(this.field_147483_b);
              this.field_147483_b.clear();
          }
-@@ -1822,18 +1971,18 @@
+@@ -1822,18 +1996,18 @@
                      {
                          this.field_147482_g.add(tileentity1);
                      }
@@ -414,7 +505,7 @@
                  }
              }
  
-@@ -1846,14 +1995,11 @@
+@@ -1846,14 +2020,11 @@
  
      public void func_147448_a(Collection p_147448_1_)
      {
@@ -432,7 +523,7 @@
      }
  
      public void func_72870_g(Entity p_72870_1_)
-@@ -1865,10 +2011,19 @@
+@@ -1865,10 +2036,19 @@
      {
          int i = MathHelper.func_76128_c(p_72866_1_.field_70165_t);
          int j = MathHelper.func_76128_c(p_72866_1_.field_70161_v);
@@ -454,7 +545,7 @@
              p_72866_1_.field_70142_S = p_72866_1_.field_70165_t;
              p_72866_1_.field_70137_T = p_72866_1_.field_70163_u;
              p_72866_1_.field_70136_U = p_72866_1_.field_70161_v;
-@@ -2086,6 +2241,10 @@
+@@ -2086,6 +2266,10 @@
                          {
                              return true;
                          }
@@ -465,7 +556,7 @@
                      }
                  }
              }
-@@ -2378,13 +2537,15 @@
+@@ -2378,13 +2562,15 @@
  
      public void func_147455_a(int p_147455_1_, int p_147455_2_, int p_147455_3_, TileEntity p_147455_4_)
      {
@@ -485,7 +576,7 @@
                  Iterator iterator = this.field_147484_a.iterator();
  
                  while (iterator.hasNext())
-@@ -2403,40 +2564,22 @@
+@@ -2403,40 +2589,22 @@
              else
              {
                  this.field_147482_g.add(p_147455_4_);
@@ -536,7 +627,7 @@
      }
  
      public void func_147457_a(TileEntity p_147457_1_)
-@@ -2453,8 +2596,7 @@
+@@ -2453,8 +2621,7 @@
      public static boolean func_147466_a(IBlockAccess p_147466_0_, int p_147466_1_, int p_147466_2_, int p_147466_3_)
      {
          Block block = p_147466_0_.func_147439_a(p_147466_1_, p_147466_2_, p_147466_3_);
@@ -546,7 +637,7 @@
      }
  
      public boolean func_147445_c(int p_147445_1_, int p_147445_2_, int p_147445_3_, boolean p_147445_4_)
-@@ -2466,7 +2608,7 @@
+@@ -2466,7 +2633,7 @@
              if (chunk != null && !chunk.func_76621_g())
              {
                  Block block = this.func_147439_a(p_147445_1_, p_147445_2_, p_147445_3_);
@@ -555,7 +646,7 @@
              }
              else
              {
-@@ -2491,8 +2633,7 @@
+@@ -2491,8 +2658,7 @@
  
      public void func_72891_a(boolean p_72891_1_, boolean p_72891_2_)
      {
@@ -565,7 +656,7 @@
      }
  
      public void func_72835_b()
-@@ -2502,6 +2643,11 @@
+@@ -2502,6 +2668,11 @@
  
      private void func_72947_a()
      {
@@ -577,7 +668,7 @@
          if (this.field_72986_A.func_76059_o())
          {
              this.field_73004_o = 1.0F;
-@@ -2515,6 +2661,11 @@
+@@ -2515,6 +2686,11 @@
  
      protected void func_72979_l()
      {
@@ -589,7 +680,7 @@
          if (!this.field_73011_w.field_76576_e)
          {
              if (!this.field_72995_K)
-@@ -2599,6 +2750,7 @@
+@@ -2599,6 +2775,7 @@
      {
          this.field_72993_I.clear();
          this.field_72984_F.func_76320_a("buildList");
@@ -597,7 +688,7 @@
          int i;
          EntityPlayer entityplayer;
          int j;
-@@ -2693,6 +2845,11 @@
+@@ -2693,6 +2870,11 @@
  
      public boolean func_72834_c(int p_72834_1_, int p_72834_2_, int p_72834_3_, boolean p_72834_4_)
      {
@@ -609,7 +700,7 @@
          BiomeGenBase biomegenbase = this.func_72807_a(p_72834_1_, p_72834_3_);
          float f = biomegenbase.func_150564_a(p_72834_1_, p_72834_2_, p_72834_3_);
  
-@@ -2748,6 +2905,11 @@
+@@ -2748,6 +2930,11 @@
  
      public boolean func_147478_e(int p_147478_1_, int p_147478_2_, int p_147478_3_, boolean p_147478_4_)
      {
@@ -621,7 +712,7 @@
          BiomeGenBase biomegenbase = this.func_72807_a(p_147478_1_, p_147478_3_);
          float f = biomegenbase.func_150564_a(p_147478_1_, p_147478_2_, p_147478_3_);
  
-@@ -2797,10 +2959,11 @@
+@@ -2797,10 +2984,11 @@
          else
          {
              Block block = this.func_147439_a(p_98179_1_, p_98179_2_, p_98179_3_);
@@ -636,7 +727,7 @@
              {
                  i1 = 1;
              }
-@@ -2900,7 +3063,7 @@
+@@ -2900,7 +3088,7 @@
                                      int j4 = i2 + Facing.field_71586_b[i4];
                                      int k4 = j2 + Facing.field_71587_c[i4];
                                      int l4 = k2 + Facing.field_71585_d[i4];
@@ -645,7 +736,7 @@
                                      i3 = this.func_72972_b(p_147463_1_, j4, k4, l4);
  
                                      if (i3 == l2 - i5 && i1 < this.field_72994_J.length)
-@@ -2998,10 +3161,10 @@
+@@ -2998,10 +3186,10 @@
      public List func_94576_a(Entity p_94576_1_, AxisAlignedBB p_94576_2_, IEntitySelector p_94576_3_)
      {
          ArrayList arraylist = new ArrayList();
@@ -660,7 +751,7 @@
  
          for (int i1 = i; i1 <= j; ++i1)
          {
-@@ -3024,10 +3187,10 @@
+@@ -3024,10 +3212,10 @@
  
      public List func_82733_a(Class p_82733_1_, AxisAlignedBB p_82733_2_, IEntitySelector p_82733_3_)
      {
@@ -675,7 +766,7 @@
          ArrayList arraylist = new ArrayList();
  
          for (int i1 = i; i1 <= j; ++i1)
-@@ -3104,11 +3267,14 @@
+@@ -3104,11 +3292,14 @@
  
      public void func_72868_a(List p_72868_1_)
      {
@@ -693,7 +784,7 @@
          }
      }
  
-@@ -3121,7 +3287,7 @@
+@@ -3121,7 +3312,7 @@
      {
          Block block1 = this.func_147439_a(p_147472_2_, p_147472_3_, p_147472_4_);
          AxisAlignedBB axisalignedbb = p_147472_5_ ? null : p_147472_1_.func_149668_a(this, p_147472_2_, p_147472_3_, p_147472_4_);
@@ -702,7 +793,7 @@
      }
  
      public PathEntity func_72865_a(Entity p_72865_1_, Entity p_72865_2_, float p_72865_3_, boolean p_72865_4_, boolean p_72865_5_, boolean p_72865_6_, boolean p_72865_7_)
-@@ -3226,7 +3392,8 @@
+@@ -3226,7 +3417,8 @@
  
      public int func_72878_l(int p_72878_1_, int p_72878_2_, int p_72878_3_, int p_72878_4_)
      {
@@ -712,7 +803,7 @@
      }
  
      public boolean func_72864_z(int p_72864_1_, int p_72864_2_, int p_72864_3_)
-@@ -3374,7 +3541,7 @@
+@@ -3374,7 +3566,7 @@
  
      public long func_72905_C()
      {
@@ -721,7 +812,7 @@
      }
  
      public long func_82737_E()
-@@ -3384,22 +3551,22 @@
+@@ -3384,22 +3576,22 @@
  
      public long func_72820_D()
      {
@@ -748,7 +839,7 @@
      }
  
      @SideOnly(Side.CLIENT)
-@@ -3419,12 +3586,20 @@
+@@ -3419,12 +3611,20 @@
  
          if (!this.field_72996_f.contains(p_72897_1_))
          {
@@ -770,7 +861,7 @@
          return true;
      }
  
-@@ -3514,8 +3689,7 @@
+@@ -3514,8 +3714,7 @@
  
      public boolean func_72958_C(int p_72958_1_, int p_72958_2_, int p_72958_3_)
      {
@@ -780,7 +871,7 @@
      }
  
      public void func_72823_a(String p_72823_1_, WorldSavedData p_72823_2_)
-@@ -3569,12 +3743,12 @@
+@@ -3569,12 +3768,12 @@
  
      public int func_72800_K()
      {
@@ -795,7 +886,7 @@
      }
  
      public Random func_72843_D(int p_72843_1_, int p_72843_2_, int p_72843_3_)
-@@ -3598,7 +3772,7 @@
+@@ -3598,7 +3797,7 @@
      @SideOnly(Side.CLIENT)
      public double func_72919_O()
      {
@@ -804,7 +895,7 @@
      }
  
      public CrashReportCategory func_72914_a(CrashReport p_72914_1_)
-@@ -3663,25 +3837,24 @@
+@@ -3663,25 +3862,24 @@
  
      public void func_147453_f(int p_147453_1_, int p_147453_2_, int p_147453_3_, Block p_147453_4_)
      {
@@ -843,7 +934,7 @@
                  }
              }
          }
-@@ -3722,4 +3895,110 @@
+@@ -3722,4 +3920,110 @@
              iworldaccess.func_147584_b();
          }
      }
diff --git a/src/main/java/net/minecraftforge/common/ForgeHooks.java b/src/main/java/net/minecraftforge/common/ForgeHooks.java
index 71214251a..6b8891367 100644
--- a/src/main/java/net/minecraftforge/common/ForgeHooks.java
+++ b/src/main/java/net/minecraftforge/common/ForgeHooks.java
@@ -16,15 +16,19 @@ import net.minecraft.init.Items;
 import net.minecraft.inventory.Container;
 import net.minecraft.inventory.ContainerRepair;
 import net.minecraft.inventory.IInventory;
+import net.minecraft.item.Item;
 import net.minecraft.item.ItemArmor;
 import net.minecraft.item.ItemAxe;
+import net.minecraft.item.ItemBucket;
 import net.minecraft.item.ItemPickaxe;
 import net.minecraft.item.ItemSpade;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.ItemSword;
+import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.network.NetHandlerPlayServer;
 import net.minecraft.network.Packet;
 import net.minecraft.network.play.server.S23PacketBlockChange;
+import net.minecraft.stats.StatList;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.tileentity.TileEntityNote;
 import net.minecraft.util.AxisAlignedBB;
@@ -37,6 +41,7 @@ import net.minecraft.util.WeightedRandom;
 import net.minecraft.world.World;
 import net.minecraft.world.WorldSettings.GameType;
 import net.minecraftforge.event.AnvilUpdateEvent;
+import net.minecraftforge.event.ForgeEventFactory;
 import net.minecraftforge.event.ServerChatEvent;
 import net.minecraftforge.event.entity.item.ItemTossEvent;
 import net.minecraftforge.event.entity.living.LivingAttackEvent;
@@ -430,6 +435,100 @@ public class ForgeHooks
         return event;
     }
 
+    public static boolean onPlaceItemIntoWorld(ItemStack itemstack, EntityPlayer player, World world, int x, int y, int z, int side, float hitX, float hitY, float hitZ)
+    {
+        // handle all placement events here
+        int meta = itemstack.getItemDamage();
+        int size = itemstack.stackSize;
+        NBTTagCompound nbt = null;
+        if (itemstack.getTagCompound() != null)
+        {
+            nbt = (NBTTagCompound)itemstack.getTagCompound().copy();
+        }
+
+        if (!(itemstack.getItem() instanceof ItemBucket)) // if not bucket
+        {
+            world.captureBlockSnapshots = true;
+        }
+
+        boolean flag = itemstack.getItem().onItemUse(itemstack, player, world, x, y, z, side, hitX, hitY, hitZ);
+        world.captureBlockSnapshots = false;
+
+        if (flag)
+        {
+            // save new item data
+            int newMeta = itemstack.getItemDamage();
+            int newSize = itemstack.stackSize;
+            NBTTagCompound newNBT = null;
+            if (itemstack.getTagCompound() != null)
+            {
+                newNBT = (NBTTagCompound)itemstack.getTagCompound().copy();
+            }
+            net.minecraftforge.event.world.BlockEvent.PlaceEvent placeEvent = null;
+            List<net.minecraftforge.common.util.BlockSnapshot> blockSnapshots = (List<net.minecraftforge.common.util.BlockSnapshot>) world.capturedBlockSnapshots.clone();
+            world.capturedBlockSnapshots.clear();
+
+            // make sure to set pre-placement item data for event
+            itemstack.setItemDamage(meta);
+            itemstack.stackSize = size;
+            if (nbt != null)
+            {
+                itemstack.setTagCompound(nbt);
+            }
+            if (blockSnapshots.size() > 1) 
+            {
+                placeEvent = ForgeEventFactory.onPlayerMultiBlockPlace(player, blockSnapshots, net.minecraftforge.common.util.ForgeDirection.getOrientation(side));
+            } 
+            else if (blockSnapshots.size() == 1)
+            {
+                placeEvent = ForgeEventFactory.onPlayerBlockPlace(player, blockSnapshots.get(0), net.minecraftforge.common.util.ForgeDirection.getOrientation(side));
+            }
+
+            if (placeEvent != null && (placeEvent.isCanceled()))
+            {
+                flag = false; // cancel placement
+                // revert back all captured blocks
+                for (net.minecraftforge.common.util.BlockSnapshot blocksnapshot : blockSnapshots)
+                {
+                    world.restoringBlockSnapshots = true;
+                    blocksnapshot.restore(true, false);
+                    world.restoringBlockSnapshots = false;
+                }
+            }
+            else
+            {
+                // Change the stack to its new content
+                itemstack.setItemDamage(newMeta);
+                itemstack.stackSize = newSize;
+                if (nbt != null)
+                {
+                    itemstack.setTagCompound(newNBT);
+                }
+
+                for (net.minecraftforge.common.util.BlockSnapshot blocksnapshot : blockSnapshots)
+                {
+                    int blockX = blocksnapshot.x;
+                    int blockY = blocksnapshot.y;
+                    int blockZ = blocksnapshot.z;
+                    int metadata = world.getBlockMetadata(blockX, blockY, blockZ);
+                    int updateFlag = blocksnapshot.flag;
+                    Block oldBlock = blocksnapshot.replacedBlock;
+                    Block newBlock = world.getBlock(blockX, blockY, blockZ);
+                    if (newBlock != null && !(newBlock.hasTileEntity(metadata))) // Containers get placed automatically
+                    {
+                        newBlock.onBlockAdded(world, blockX, blockY, blockZ);
+                    }
+
+                    world.markAndNotifyBlock(blockX, blockY, blockZ, null, oldBlock, newBlock, updateFlag);
+                }
+                player.addStat(StatList.objectUseStats[Item.getIdFromItem(itemstack.getItem())], 1);
+            }
+        }
+        world.capturedBlockSnapshots.clear();
+
+        return flag;
+    }
+
     public static boolean onAnvilChange(ContainerRepair container, ItemStack left, ItemStack right, IInventory outputSlot, String name, int baseCost)
     {
         AnvilUpdateEvent e = new AnvilUpdateEvent(left, right, name, baseCost);
diff --git a/src/main/java/net/minecraftforge/common/util/BlockSnapshot.java b/src/main/java/net/minecraftforge/common/util/BlockSnapshot.java
new file mode 100644
index 000000000..91f76062e
--- /dev/null
+++ b/src/main/java/net/minecraftforge/common/util/BlockSnapshot.java
@@ -0,0 +1,312 @@
+package net.minecraftforge.common.util;
+
+
+import java.io.Serializable;
+
+import net.minecraft.block.Block;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.world.World;
+import net.minecraftforge.common.DimensionManager;
+import cpw.mods.fml.common.registry.GameRegistry;
+import cpw.mods.fml.common.registry.GameRegistry.UniqueIdentifier;
+
+/**
+ * Represents a captured snapshot of a block which will not change
+ * automatically.
+ * <p>
+ * Unlike Block, which only one object can exist per coordinate, BlockSnapshot
+ * can exist multiple times for any given Block.
+ */
+@SuppressWarnings("serial")
+public class BlockSnapshot implements Serializable
+{
+    private static final boolean DEBUG = Boolean.parseBoolean(System.getProperty("forge.debugBlockSnapshot", "false"));
+
+    public final int x;
+    public final int y;
+    public final int z;
+    public final int dimId;
+    public transient Block replacedBlock;
+    public final int meta;
+    public int flag;
+    private final NBTTagCompound nbt;
+    public transient World world;
+    public final UniqueIdentifier blockIdentifier;
+
+    public BlockSnapshot(World world, int x, int y, int z, Block block, int meta)
+    {
+        this.world = world;
+        this.dimId = world.provider.dimensionId;
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        this.replacedBlock = block;
+        this.blockIdentifier = GameRegistry.findUniqueIdentifierFor(block);
+        this.meta = meta;
+        this.flag = 3;
+        TileEntity te = world.getTileEntity(x, y, z);
+        if (te != null)
+        {
+            nbt = new NBTTagCompound();
+            te.writeToNBT(nbt);
+        }
+        else nbt = null;
+        if (DEBUG)
+        {
+            System.out.printf("Created BlockSnapshot - [World: %s ][Location: %d,%d,%d ][Block: %s ][Meta: %d ]", world.getWorldInfo().getWorldName(), x, y, z, block, meta);
+        }
+    }
+
+    public BlockSnapshot(World world, int x, int y, int z, Block block, int meta, NBTTagCompound nbt)
+    {
+        this.world = world;
+        this.dimId = world.provider.dimensionId;
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        this.replacedBlock = block;
+        this.blockIdentifier = GameRegistry.findUniqueIdentifierFor(block);
+        this.meta = meta;
+        this.flag = 3;
+        this.nbt = nbt;
+        if (DEBUG)
+        {
+            System.out.printf("Created BlockSnapshot - [World: %s ][Location: %d,%d,%d ][Block: %s ][Meta: %d ]", world.getWorldInfo().getWorldName(), x, y, z, block, meta);
+        }
+    }
+
+    public BlockSnapshot(World world, int x, int y, int z, Block block, int meta, int flag) 
+    {
+        this(world, x, y, z, block, meta);
+        this.flag = flag;
+    }
+    
+    /**
+     * Raw constructor designed for serialization usages.
+     */
+    public BlockSnapshot(int dimension, int x, int y, int z, String modid, String blockName, int meta, int flag, NBTTagCompound nbt) 
+    {
+        this.dimId = dimension;
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        this.meta = meta;
+        this.flag = flag;
+        this.blockIdentifier = new UniqueIdentifier(modid + ":" + blockName);
+        this.nbt = nbt;
+    }
+
+    public static BlockSnapshot getBlockSnapshot(World world, int x, int y, int z)
+    {
+        return new BlockSnapshot(world, x, y, z, world.getBlock(x, y, z), world.getBlockMetadata(x, y,z));
+    }
+
+    public static BlockSnapshot getBlockSnapshot(World world, int x, int y, int z, int flag)
+    {
+        return new BlockSnapshot(world, x, y, z, world.getBlock(x, y, z), world.getBlockMetadata(x, y,z), flag);
+    }
+
+    public static BlockSnapshot readFromNBT(NBTTagCompound tag)
+    {
+        NBTTagCompound nbt = tag.getBoolean("hasTE") ? null : tag.getCompoundTag("tileEntity");
+
+        return new BlockSnapshot(
+                tag.getInteger("dimension"),
+                tag.getInteger("posX"),
+                tag.getInteger("posY"),
+                tag.getInteger("posZ"),
+                tag.getString("blockMod"),
+                tag.getString("blockName"),
+                tag.getInteger("metadata"),
+                tag.getInteger("flag"),
+                nbt);
+    }
+
+    public Block getCurrentBlock() 
+    {
+        return world.getBlock(x, y, z);
+    }
+
+    public World getWorld() 
+    {
+        if (this.world == null) 
+        {
+            this.world = DimensionManager.getWorld(dimId);
+        }
+        return this.world;
+    }
+
+    public Block getReplacedBlock() 
+    {
+        if (this.replacedBlock == null) 
+        {
+            this.replacedBlock = GameRegistry.findBlock(this.blockIdentifier.modId, this.blockIdentifier.name);
+        }
+        return this.replacedBlock;
+    }
+
+    public TileEntity getTileEntity()
+    {
+        if (nbt != null)
+            return TileEntity.createAndLoadEntity(nbt);
+        else return null;
+    }
+
+    public boolean restore() 
+    {
+        return restore(false);
+    }
+
+    public boolean restore(boolean force) 
+    {
+        return restore(force, true);
+    }
+
+    public boolean restore(boolean force, boolean applyPhysics) 
+    {
+        if (getCurrentBlock() != getReplacedBlock() || world.getBlockMetadata(x & 15, y, z & 15) != meta) 
+        {
+            if (force)
+            {
+                world.setBlock(x, y, z, getReplacedBlock(), meta, applyPhysics ? 3 : 2);
+            }
+            else 
+            {
+                return false;
+            }
+        }
+
+        world.setBlockMetadataWithNotify(x, y, z, meta, applyPhysics ? 3 : 2);
+        world.markBlockForUpdate(x, y, z);
+        TileEntity te = null;
+        if (nbt != null)
+        {
+            te = world.getTileEntity(x, y, z);
+            if (te != null)
+            {
+                te.readFromNBT(nbt);
+            }
+        }
+
+        if (DEBUG)
+        {
+            System.out.printf("Restored BlockSnapshot with data [World: %s ][Location: %d,%d,%d ][Meta: %d ][Block: %s ][TileEntity: %s ][force: %s ][applyPhysics: %s]", world.getWorldInfo().getWorldName(), x, y, z, meta, getReplacedBlock(), te, force, applyPhysics);
+        }
+        return true;
+    }
+
+    public boolean restoreToLocation(World world, int x, int y, int z, boolean force, boolean applyPhysics)
+    {
+        if (getCurrentBlock() != getReplacedBlock() || world.getBlockMetadata(x & 15, y, z & 15) != meta)
+        {
+            if (force)
+            {
+                world.setBlock(x, y, z, getReplacedBlock(), meta, applyPhysics ? 3 : 2);
+            } 
+            else
+            {
+                return false;
+            }
+        }
+
+        world.setBlockMetadataWithNotify(x, y, z, meta, applyPhysics ? 3 : 2);
+        world.markBlockForUpdate(x, y, z);
+        TileEntity te = null;
+        if (nbt != null)
+        {
+            te = world.getTileEntity(x, y, z);
+            if (te != null)
+            {
+                te.readFromNBT(nbt);
+            }
+        }
+
+        if (DEBUG)
+        {
+            System.out.printf("Restored BlockSnapshot with data [World: %s ][Location: %d,%d,%d ][Meta: %d ][Block: %s ][TileEntity: %s ][force: %s ][applyPhysics: %s]", world.getWorldInfo().getWorldName(), x, y, z, meta, getReplacedBlock(), te, force, applyPhysics);
+        }
+        return true;
+    }
+
+    public void writeToNBT(NBTTagCompound compound)
+    {
+        compound.setString("blockMod", blockIdentifier.modId);
+        compound.setString("blockName", blockIdentifier.name);
+        compound.setInteger("posX", x);
+        compound.setInteger("posY", y);
+        compound.setInteger("posZ", z);
+        compound.setInteger("flag", flag);
+        compound.setInteger("dimension", dimId);
+        compound.setInteger("metadata", meta);
+
+        compound.setBoolean("hasTE", nbt != null);
+
+        if (nbt != null)
+        {
+            compound.setTag("tileEntity", nbt);
+        }
+    }
+
+    @Override
+    public boolean equals(Object obj) 
+    {
+        if (obj == null)
+        {
+            return false;
+        }
+        if (getClass() != obj.getClass())
+        {
+            return false;
+        }
+        final BlockSnapshot other = (BlockSnapshot) obj;
+        if (this.x != other.x)
+        {
+            return false;
+        }
+        if (this.y != other.y)
+        {
+            return false;
+        }
+        if (this.z != other.z) 
+        {
+            return false;
+        }
+        if (this.meta != other.meta)
+        {
+            return false;
+        }
+        if (this.dimId != other.dimId)
+        {
+            return false;
+        }
+        if (this.nbt != other.nbt && (this.nbt == null || !this.nbt.equals(other.nbt)))
+        {
+            return false;
+        }
+        if (this.world != other.world && (this.world == null || !this.world.equals(other.world)))
+        {
+            return false;
+        }
+        if (this.blockIdentifier != other.blockIdentifier && (this.blockIdentifier == null || !this.blockIdentifier.equals(other.blockIdentifier)))
+        {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public int hashCode()
+    {
+        int hash = 7;
+        hash = 73 * hash + this.x;
+        hash = 73 * hash + this.y;
+        hash = 73 * hash + this.z;
+        hash = 73 * hash + this.meta;
+        hash = 73 * hash + this.dimId;
+        hash = 73 * hash + (this.nbt != null ? this.nbt.hashCode() : 0);
+        hash = 73 * hash + (this.world != null ? this.world.hashCode() : 0);
+        hash = 73 * hash + (this.blockIdentifier != null ? this.blockIdentifier.hashCode() : 0);
+        return hash;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/net/minecraftforge/event/ForgeEventFactory.java b/src/main/java/net/minecraftforge/event/ForgeEventFactory.java
index 7916413c3..aec4cd9a0 100644
--- a/src/main/java/net/minecraftforge/event/ForgeEventFactory.java
+++ b/src/main/java/net/minecraftforge/event/ForgeEventFactory.java
@@ -14,6 +14,7 @@ import net.minecraft.entity.effect.EntityLightningBolt;
 import net.minecraft.entity.monster.EntityZombie;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.entity.player.EntityPlayerMP;
+import net.minecraft.init.Blocks;
 import net.minecraft.item.ItemStack;
 import net.minecraft.world.World;
 import net.minecraft.world.WorldServer;
@@ -21,6 +22,8 @@ import net.minecraft.world.biome.BiomeGenBase;
 import net.minecraft.world.storage.IPlayerFileData;
 import net.minecraft.world.storage.SaveHandler;
 import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.common.util.BlockSnapshot;
+import net.minecraftforge.common.util.ForgeDirection;
 import net.minecraftforge.event.entity.EntityStruckByLightningEvent;
 import net.minecraftforge.event.entity.living.LivingPackSizeEvent;
 import net.minecraftforge.event.entity.living.LivingSpawnEvent;
@@ -33,10 +36,31 @@ import net.minecraftforge.event.entity.player.PlayerInteractEvent;
 import net.minecraftforge.event.entity.player.PlayerInteractEvent.Action;
 import net.minecraftforge.event.entity.player.PlayerUseItemEvent;
 import net.minecraftforge.event.world.BlockEvent;
+import net.minecraftforge.event.world.BlockEvent.MultiPlaceEvent;
+import net.minecraftforge.event.world.BlockEvent.PlaceEvent;
 import net.minecraftforge.event.world.WorldEvent;
 
 public class ForgeEventFactory
 {
+
+    public static MultiPlaceEvent onPlayerMultiBlockPlace(EntityPlayer player, List<BlockSnapshot> blockSnapshots, ForgeDirection direction)
+    {
+        Block placedAgainst = blockSnapshots.get(0).world.getBlock(blockSnapshots.get(0).x + direction.getOpposite().offsetX, blockSnapshots.get(0).y + direction.getOpposite().offsetY, blockSnapshots.get(0).z + direction.getOpposite().offsetZ);
+
+        MultiPlaceEvent event = new MultiPlaceEvent(blockSnapshots, placedAgainst, player);
+        MinecraftForge.EVENT_BUS.post(event);
+        return event;
+    }
+
+    public static PlaceEvent onPlayerBlockPlace(EntityPlayer player, BlockSnapshot blockSnapshot, ForgeDirection direction)
+    {
+        Block placedAgainst = blockSnapshot.world.getBlock(blockSnapshot.x + direction.getOpposite().offsetX, blockSnapshot.y + direction.getOpposite().offsetY, blockSnapshot.z + direction.getOpposite().offsetZ);
+
+        PlaceEvent event = new PlaceEvent(blockSnapshot, placedAgainst, player);
+        MinecraftForge.EVENT_BUS.post(event);
+        return event;
+    }
+
     public static boolean doPlayerHarvestCheck(EntityPlayer player, Block block, boolean success)
     {
         PlayerEvent.HarvestCheck event = new PlayerEvent.HarvestCheck(player, block, success);
diff --git a/src/main/java/net/minecraftforge/event/world/BlockEvent.java b/src/main/java/net/minecraftforge/event/world/BlockEvent.java
index 40c3b3ec8..5033edfdf 100644
--- a/src/main/java/net/minecraftforge/event/world/BlockEvent.java
+++ b/src/main/java/net/minecraftforge/event/world/BlockEvent.java
@@ -1,17 +1,24 @@
 package net.minecraftforge.event.world;
 
 import java.util.ArrayList;
+import java.util.List;
+
+import com.google.common.collect.ImmutableList;
 
 import cpw.mods.fml.common.eventhandler.Cancelable;
 import cpw.mods.fml.common.eventhandler.Event;
 import net.minecraft.block.Block;
 import net.minecraft.enchantment.EnchantmentHelper;
 import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.init.Blocks;
 import net.minecraft.item.ItemStack;
 import net.minecraft.world.World;
 import net.minecraftforge.common.ForgeHooks;
+import net.minecraftforge.common.util.BlockSnapshot;
 
 public class BlockEvent extends Event {
+    private static final boolean DEBUG = Boolean.parseBoolean(System.getProperty("forge.debugBlockEvent", "false"));
+
     public final int x;
     public final int y;
     public final int z;
@@ -111,4 +118,63 @@ public class BlockEvent extends Event {
             this.exp = exp;
         }
     }
+
+    /**
+     * Called when a block is placed by a player.
+     *
+     * If a Block Place event is cancelled, the block will not be placed.
+     */
+    @Cancelable
+    public static class PlaceEvent extends BlockEvent {
+
+        public final EntityPlayer player;
+        public final ItemStack itemInHand;
+        public final BlockSnapshot blockSnapshot;
+        public final Block placedBlock;
+        public final Block placedAgainst;
+
+        public PlaceEvent(BlockSnapshot blockSnapshot, Block placedAgainst, EntityPlayer player) {
+            super(blockSnapshot.x, blockSnapshot.y, blockSnapshot.z, blockSnapshot.world, blockSnapshot.getCurrentBlock(), blockSnapshot.meta);
+            this.player = player;
+            this.itemInHand = player.getCurrentEquippedItem();
+            this.blockSnapshot = blockSnapshot;
+            this.placedBlock = blockSnapshot.getCurrentBlock();
+            this.placedAgainst = placedAgainst;
+            if (DEBUG)
+            {
+                System.out.printf("Created PlaceEvent - [PlacedBlock: %s ][PlacedAgainst: %s ][ItemStack: %s ][Player: %s ]\n", placedBlock, placedAgainst, player.getCurrentEquippedItem(), player);
+            }
+        }
+    }
+
+    /**
+     * Fired when a single block placement action of a player triggers the
+     * creation of multiple blocks(e.g. placing a bed block). The block returned
+     * by {@link #block} and its related methods is the block where
+     * the placed block would exist if the placement only affected a single
+     * block.
+     */
+    @Cancelable
+    public static class MultiPlaceEvent extends PlaceEvent {
+        private final List<BlockSnapshot> blockSnapshots;
+
+        public MultiPlaceEvent(List<BlockSnapshot> blockSnapshots, Block placedAgainst, EntityPlayer player) {
+            super(blockSnapshots.get(0), placedAgainst, player);
+            this.blockSnapshots = ImmutableList.copyOf(blockSnapshots);
+            if (DEBUG)
+            {
+                System.out.printf("Created MultiPlaceEvent - [PlacedAgainst: %s ][ItemInHand: %s ][Player: %s ]\n", placedAgainst, this.itemInHand, player);
+            }
+        }
+
+        /**
+         * Gets a list of blocksnapshots for all blocks which were replaced by the
+         * placement of the new blocks. Most of these blocks will just be of type AIR.
+         *
+         * @return immutable list of replaced BlockSnapshots
+         */
+        public List<BlockSnapshot> getReplacedBlockSnapshots() {
+            return blockSnapshots;
+        }
+    }
 }