More work on compile errors, New system for ToolClasses, using a ToolType class instead to de-stringify things.

build.gradle

@@ -10,6 +10,9 @@ buildscript {
     }
 }
 
+plugins {
+    id 'net.minecrell.licenser' version '0.4'
+}
 apply plugin: 'eclipse'
 
 group = 'net.minecraftforge'
@@ -52,6 +55,7 @@ project(':forge') {
     apply plugin: 'java-library'
     apply plugin: 'eclipse'
     apply plugin: 'net.minecraftforge.gradle.forgedev.patcher'
+    apply plugin: 'net.minecrell.licenser'
     sourceSets {
         main {
             java {
@@ -161,6 +165,26 @@ project(':forge') {
         environment target:'fmldevserver'
         workingDir 'runserver'
     }
+    
+    license {
+        header = file("$rootDir/LICENSE-header.txt")
+
+        include 'net/minecraftforge/'
+        exclude 'net/minecraftforge/server/terminalconsole/'
+        exclude 'net/minecraftforge/fml/common/versioning/ComparableVersion.java'
+        exclude 'net/minecraftforge/fml/common/versioning/InvalidVersionSpecificationException.java'
+        exclude 'net/minecraftforge/fml/common/versioning/Restriction.java'
+        exclude 'net/minecraftforge/fml/common/versioning/VersionRange.java'
+
+        tasks {
+            main {
+                files = files("$rootDir/src/main/java")
+            }
+            test {
+                files = files("$rootDir/src/test/java")
+            }
+        }
+    }
 }
 
 //evaluationDependsOnChildren()

patches/minecraft/net/minecraft/block/Block.java.patch

@@ -9,66 +9,79 @@
     protected static final Logger field_196273_d = LogManager.getLogger();
     private static final ResourceLocation AIR_ID = new ResourceLocation("air");
     public static final RegistryNamespacedDefaultedByKey<ResourceLocation, Block> REGISTRY = new RegistryNamespacedDefaultedByKey<ResourceLocation, Block>(AIR_ID);
-@@ -1604,4 +1604,62 @@
+@@ -502,8 +502,8 @@
+       if (f == -1.0F) {
+          return 0.0F;
+       } else {
+-         int i = player.canHarvestBlock(state) ? 30 : 100;
+-         return player.getDigSpeed(state) / f / (float)i;
++         int i = net.minecraftforge.common.ForgeHooks.canHarvestBlock(state, player, worldIn, pos) ? 30 : 100;
++         return player.getDigSpeed(state, pos) / f / (float)i;
+       }
+    }
+ 
+@@ -625,6 +625,7 @@
+ 
+    }
+ 
++   @Deprecated //Use state sensitive version
+    protected boolean canSilkHarvest() {
+       return this.getDefaultState().isFullCube() && !this.hasTileEntity();
+    }
+@@ -1604,4 +1605,56 @@
           return Objects.hash(this.field_212164_a, this.field_212165_b, this.field_212166_c);
        }
     }
 +   /* ======================================== FORGE START =====================================*/
-+
 +   private ThreadLocal<IBlockState> silkCheck = new ThreadLocal<>();
-+   private String[] harvestTool = new String[16];
-+   private int[] harvestLevel = new int[]{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
++   private net.minecraftforge.common.ToolType harvestTool;
++   private int harvestLevel;
 +   protected static ThreadLocal<Boolean> captureDrops = ThreadLocal.withInitial(() -> false);
 +   protected static ThreadLocal<NonNullList<ItemStack>> capturedDrops = ThreadLocal.withInitial(NonNullList::create);
 +   protected NonNullList<ItemStack> captureDrops(boolean start)
 +   {
-+      if (start)
-+      {
++      if (start) {
 +         captureDrops.set(true);
 +         capturedDrops.get().clear();
 +         return NonNullList.create();
-+      }
-+      else
-+      {
++      } else {
 +         captureDrops.set(false);
 +         return capturedDrops.get();
 +      }
 +   }
 +
 +   @Override
-+   public float getSlipperiness(IBlockState state, IWorldReader world, BlockPos pos, @Nullable Entity entity)
-+   {
++   public float getSlipperiness(IBlockState state, IWorldReader world, BlockPos pos, @Nullable Entity entity) {
 +      return this.slipperiness;
 +   }
 +
 +   @Override
-+   public boolean canSilkHarvest(IWorldReader world, BlockPos pos, IBlockState state, EntityPlayer player)
-+   {
-+      silkCheck.set(state);
-+      boolean ret = this.canSilkHarvest();
-+      return ret;
++   public boolean canSilkHarvest(IBlockState state, IWorldReader world, BlockPos pos, EntityPlayer player) {
++      return this.canSilkHarvest() && !state.hasTileEntity();
 +   }
 +
 +   @Override
-+   public void onBlockExploded(World world, BlockPos pos, Explosion explosion)
-+   {
++   public void onBlockExploded(IBlockState state, World world, BlockPos pos, Explosion explosion) {
 +      world.setBlockToAir(pos);
 +      onExplosionDestroy(world, pos, explosion);
 +   }
 +
 +   @Nullable
 +   @Override
-+   public String getHarvestTool(IBlockState state)
-+   {
-+     return harvestTool[0]; //TODO: RE-Evaluate
++   public net.minecraftforge.common.ToolType getHarvestTool(IBlockState state) {
++      return harvestTool; //TODO: RE-Evaluate
 +   }
 +
 +   @Override
-+   public int getHarvestLevel(IBlockState state)
-+   {
-+
-+      return harvestLevel[0]; //TODO: RE-Evaluate
++   public int getHarvestLevel(IBlockState state) {
++      return harvestLevel; //TODO: RE-Evaluate
 +   }
 +
++   static {
++      net.minecraftforge.common.ForgeHooks.setBlockToolSetter((block, tool, level) -> {
++         block.harvestTool = tool;
++         block.harvestLevel = level;
++      });
++   }
 +   /* ========================================= FORGE END ======================================*/
  }

patches/minecraft/net/minecraft/block/state/IBlockState.java.patch

@@ -0,0 +1,11 @@
+--- a/net/minecraft/block/state/IBlockState.java
++++ b/net/minecraft/block/state/IBlockState.java
+@@ -30,7 +30,7 @@
+ import net.minecraftforge.api.distmarker.Dist;
+ import net.minecraftforge.api.distmarker.OnlyIn;
+ 
+-public interface IBlockState extends IStateHolder<IBlockState> {
++public interface IBlockState extends IStateHolder<IBlockState>, net.minecraftforge.common.extensions.IForgeBlockState {
+    ThreadLocal<Object2ByteMap<IBlockState>> field_208776_a = ThreadLocal.<Object2ByteMap<IBlockState>>withInitial(() -> {
+       Object2ByteOpenHashMap<IBlockState> object2byteopenhashmap = new Object2ByteOpenHashMap<IBlockState>();
+       object2byteopenhashmap.defaultReturnValue((byte)127);

patches/minecraft/net/minecraft/client/gui/GuiBossOverlay.java.patch

@@ -0,0 +1,21 @@
+--- a/net/minecraft/client/gui/GuiBossOverlay.java
++++ b/net/minecraft/client/gui/GuiBossOverlay.java
+@@ -28,12 +28,17 @@
+ 
+          for(BossInfoClient bossinfoclient : this.mapBossInfos.values()) {
+             int k = i / 2 - 91;
++            net.minecraftforge.client.event.RenderGameOverlayEvent.BossInfo event =
++                    net.minecraftforge.client.ForgeHooksClient.bossBarRenderPre(this.client.field_195558_d, bossinfoclient, k, j, 10 + this.client.fontRenderer.FONT_HEIGHT);
++            if (!event.isCanceled()) {
+             GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
+             this.client.getTextureManager().bindTexture(GUI_BARS_TEXTURES);
+             this.render(k, j, bossinfoclient);
+             String s = bossinfoclient.getName().getFormattedText();
+             this.client.fontRenderer.drawStringWithShadow(s, (float)(i / 2 - this.client.fontRenderer.getStringWidth(s) / 2), (float)(j - 9), 16777215);
+-            j += 10 + this.client.fontRenderer.FONT_HEIGHT;
++            }
++            j += event.getIncrement();
++            net.minecraftforge.client.ForgeHooksClient.bossBarRenderPost(this.client.field_195558_d);
+             if (j >= this.client.field_195558_d.func_198087_p() / 3) {
+                break;
+             }

patches/minecraft/net/minecraft/entity/player/EntityPlayer.java.patch

@@ -9,3 +9,24 @@
     private static final DataParameter<Float> ABSORPTION = EntityDataManager.<Float>createKey(EntityPlayer.class, DataSerializers.FLOAT);
     private static final DataParameter<Integer> PLAYER_SCORE = EntityDataManager.<Integer>createKey(EntityPlayer.class, DataSerializers.VARINT);
     protected static final DataParameter<Byte> PLAYER_MODEL_FLAG = EntityDataManager.<Byte>createKey(EntityPlayer.class, DataSerializers.BYTE);
+@@ -663,7 +665,12 @@
+       return p_184816_1_.getItem();
+    }
+ 
++   @Deprecated //Use location sensitive version below
+    public float getDigSpeed(IBlockState state) {
++      return getDigSpeed(state, null);
++   }
++
++   public float getDigSpeed(IBlockState state, @Nullable BlockPos pos) {
+       float f = this.inventory.getDestroySpeed(state);
+       if (f > 1.0F) {
+          int i = EnchantmentHelper.getEfficiencyModifier(this);
+@@ -705,6 +712,7 @@
+          f /= 5.0F;
+       }
+ 
++      f = net.minecraftforge.event.ForgeEventFactory.getBreakSpeed(this, state, f, pos);
+       return f;
+    }
+ 

patches/minecraft/net/minecraft/item/Item.java.patch

@@ -73,7 +73,7 @@
        ItemGroup itemgroup = this.getCreativeTab();
        return itemgroup != null && (targetTab == ItemGroup.SEARCH || targetTab == itemgroup);
     }
-@@ -310,10 +318,49 @@
+@@ -310,10 +318,48 @@
        return false;
     }
  
@@ -87,7 +87,7 @@
 +   @Nullable
 +   private final java.util.function.Supplier<net.minecraft.client.renderer.tileentity.TileEntityItemStackRenderer> teisr;
 +
-+   private final java.util.Map<String, Integer> toolClasses = new java.util.HashMap<String, Integer>();
++   private final java.util.Map<net.minecraftforge.common.ToolType, Integer> toolClasses = Maps.newHashMap();
 +
 +   protected final boolean canRepair;
 +
@@ -98,16 +98,15 @@
 +   }
 +
 +   @Override
-+   public java.util.Set<String> getToolClasses(ItemStack stack)
++   public java.util.Set<net.minecraftforge.common.ToolType> getToolTypes(ItemStack stack)
 +   {
 +       return toolClasses.keySet();
 +   }
 +
 +   @Override
-+   public int getHarvestLevel(ItemStack stack, String toolClass, @Nullable EntityPlayer player, @Nullable IBlockState blockState)
++   public int getHarvestLevel(ItemStack stack, net.minecraftforge.common.ToolType tool, @Nullable EntityPlayer player, @Nullable IBlockState blockState)
 +   {
-+       Integer ret = toolClasses.get(toolClass);
-+       return ret == null ? -1 : ret;
++       return toolClasses.getOrDefault(tool, -1);
 +   }
 +
 +   @OnlyIn(Dist.CLIENT)
@@ -123,17 +122,17 @@
     public static void registerItems() {
        registerItemBlock(Blocks.AIR, new ItemAir(Blocks.AIR, new Item.Builder()));
        func_200879_a(Blocks.STONE, ItemGroup.BUILDING_BLOCKS);
-@@ -1147,6 +1194,9 @@
+@@ -1147,6 +1193,9 @@
        private Item field_200922_c;
        private ItemGroup field_200923_d;
        private EnumRarity field_208104_e = EnumRarity.COMMON;
 +      private boolean canRepair = true;
-+      private java.util.Map<String, Integer> toolClasses = new java.util.HashMap<String, Integer>();
++      private java.util.Map<net.minecraftforge.common.ToolType, Integer> toolClasses = Maps.newHashMap();
 +      private java.util.function.Supplier<java.util.concurrent.Callable<net.minecraft.client.renderer.tileentity.TileEntityItemStackRenderer>> teisr;
  
        public Item.Builder func_200917_a(int p_200917_1_) {
           if (this.field_200921_b > 0) {
-@@ -1181,5 +1231,10 @@
+@@ -1181,5 +1230,20 @@
           this.field_208104_e = p_208103_1_;
           return this;
        }
@@ -141,6 +140,16 @@
 +      public Item.Builder setNoRepair() {
 +         canRepair = false;
 +         return this;
++      }
++
++      public Item.Builder addToolType(net.minecraftforge.common.ToolType type, int level) {
++         toolClasses.put(type, level);
++         return this;
++      }
++
++      public Item.Builder setTEISR(java.util.function.Supplier<java.util.concurrent.Callable<net.minecraft.client.renderer.tileentity.TileEntityItemStackRenderer>> teisr) {
++         this.teisr = teisr;
++         return this;
 +      }
     }
  }

patches/minecraft/net/minecraft/item/ItemPickaxe.java.patch

@@ -0,0 +1,25 @@
+--- a/net/minecraft/item/ItemPickaxe.java
++++ b/net/minecraft/item/ItemPickaxe.java
+@@ -17,18 +17,11 @@
+    public boolean canHarvestBlock(IBlockState blockIn) {
+       Block block = blockIn.getBlock();
+       int i = this.func_200891_e().func_200925_d();
+-      if (block == Blocks.OBSIDIAN) {
+-         return i == 3;
+-      } else if (block != Blocks.DIAMOND_BLOCK && block != Blocks.DIAMOND_ORE && block != Blocks.EMERALD_ORE && block != Blocks.EMERALD_BLOCK && block != Blocks.GOLD_BLOCK && block != Blocks.GOLD_ORE && block != Blocks.REDSTONE_ORE) {
+-         if (block != Blocks.IRON_BLOCK && block != Blocks.IRON_ORE && block != Blocks.LAPIS_BLOCK && block != Blocks.LAPIS_ORE) {
+-            Material material = blockIn.getMaterial();
+-            return material == Material.ROCK || material == Material.IRON || material == Material.ANVIL;
+-         } else {
+-            return i >= 1;
+-         }
+-      } else {
+-         return i >= 2;
++      if (blockIn.getHarvestTool() == net.minecraftforge.common.ToolType.PICKAXE) {
++         return i >= blockIn.getHarvestLevel();
+       }
++      Material material = blockIn.getMaterial();
++      return material == Material.ROCK || material == Material.IRON || material == Material.ANVIL;
+    }
+ 
+    public float getDestroySpeed(ItemStack stack, IBlockState state) {

patches/minecraft/net/minecraft/item/ItemStack.java.patch

@@ -5,7 +5,7 @@
  import org.apache.logging.log4j.Logger;
  
 -public final class ItemStack {
-+public final class ItemStack extends net.minecraftforge.common.capabilities.CapabilityProvider implements net.minecraftforge.common.capabilities.ICapabilitySerializable<NBTTagCompound>, net.minecraftforge.common.extensions.IForgeItemStack {
++public final class ItemStack extends net.minecraftforge.common.capabilities.CapabilityProvider implements net.minecraftforge.common.extensions.IForgeItemStack {
     private static final Logger field_199558_c = LogManager.getLogger();
     public static final ItemStack EMPTY = new ItemStack((Item)null);
     public static final DecimalFormat DECIMALFORMAT = func_208306_D();
@@ -68,7 +68,7 @@
     }
  
     public EnumActionResult func_196084_a(ItemUseContext p_196084_1_) {
-+      if (!p_196084_1_.field_196006_g.isRemote) return net.minecraftforge.common.ForgeHooks.onPlaceItemIntoWorld(p_196084_1_);
++      //if (!p_196084_1_.field_196006_g.isRemote) return net.minecraftforge.common.ForgeHooks.onPlaceItemIntoWorld(p_196084_1_);
        EntityPlayer entityplayer = p_196084_1_.func_195999_j();
        BlockPos blockpos = p_196084_1_.func_195995_a();
        BlockWorldState blockworldstate = new BlockWorldState(p_196084_1_.func_195991_k(), blockpos, false);
@@ -153,7 +153,7 @@
  
     public boolean canHarvestBlock(IBlockState blockIn) {
 -      return this.getItem().canHarvestBlock(blockIn);
-+      return this.getItem().canHarvestBlock(blockIn, this);
++      return this.getItem().canHarvestBlock(this, blockIn);
     }
  
     public boolean interactWithEntity(EntityPlayer playerIn, EntityLivingBase entityIn, EnumHand hand) {

patches/minecraft/net/minecraft/item/crafting/BannerDuplicateRecipe.java.patch

@@ -9,6 +9,17 @@
  
  public class BannerDuplicateRecipe extends IRecipeHidden {
     public BannerDuplicateRecipe(ResourceLocation p_i48171_1_) {
+@@ -77,8 +75,8 @@
+       for(int i = 0; i < nonnulllist.size(); ++i) {
+          ItemStack itemstack = inv.getStackInSlot(i);
+          if (!itemstack.isEmpty()) {
+-            if (itemstack.getItem().hasContainerItem()) {
+-               nonnulllist.set(i, new ItemStack(itemstack.getItem().getContainerItem()));
++            if (itemstack.hasContainerItem()) {
++               nonnulllist.set(i, itemstack.getContainerItem());
+             } else if (itemstack.hasTagCompound() && TileEntityBanner.getPatterns(itemstack) > 0) {
+                ItemStack itemstack1 = itemstack.copy();
+                itemstack1.setCount(1);
 @@ -94,7 +92,6 @@
        return RecipeSerializers.field_199586_l;
     }

patches/minecraft/net/minecraft/network/ServerStatusResponse.java.patch

@@ -0,0 +1,70 @@
+--- a/net/minecraft/network/ServerStatusResponse.java
++++ b/net/minecraft/network/ServerStatusResponse.java
+@@ -26,6 +26,7 @@
+ 
+    public void setServerDescription(ITextComponent descriptionIn) {
+       this.description = descriptionIn;
++      invalidateJson();
+    }
+ 
+    public ServerStatusResponse.Players getPlayers() {
+@@ -34,6 +35,7 @@
+ 
+    public void setPlayers(ServerStatusResponse.Players playersIn) {
+       this.players = playersIn;
++      invalidateJson();
+    }
+ 
+    public ServerStatusResponse.Version getVersion() {
+@@ -42,16 +44,51 @@
+ 
+    public void setVersion(ServerStatusResponse.Version versionIn) {
+       this.version = versionIn;
++      invalidateJson();
+    }
+ 
+    public void setFavicon(String faviconBlob) {
+       this.favicon = faviconBlob;
++      invalidateJson();
+    }
+ 
+    public String getFavicon() {
+       return this.favicon;
+    }
+ 
++   private java.util.concurrent.Semaphore mutex = new java.util.concurrent.Semaphore(1);
++   private String json = null;
++   /**
++    * Returns this object as a Json string.
++    * Converting to JSON if a cached version is not available.
++    *
++    * Also to prevent potentially large memory allocations on the server
++    * this is moved from the SPacketServerInfo writePacket function
++    *
++    * As this method is called from the network threads so thread safety is important!
++    */
++   public String getJson() {
++      String ret = this.json;
++      if (ret == null) {
++         mutex.acquireUninterruptibly();
++         ret = this.json;
++         if (ret == null) {
++            ret = net.minecraft.network.status.server.SPacketServerInfo.GSON.toJson(this);
++            this.json = ret;
++         }
++         mutex.release();
++      }
++      return ret;
++   }
++
++   /**
++    * Invalidates the cached json, causing the next call to getJson to rebuild it.
++    * This is needed externally because PlayerCountData.setPlayer's is public.
++    */
++   public void invalidateJson() {
++      this.json = null;
++   }
++
+    public static class Players {
+       private final int maxPlayers;
+       private final int onlinePlayerCount;

patches/minecraft/net/minecraft/network/status/server/SPacketServerInfo.java.patch

@@ -0,0 +1,11 @@
+--- a/net/minecraft/network/status/server/SPacketServerInfo.java
++++ b/net/minecraft/network/status/server/SPacketServerInfo.java
+@@ -30,7 +30,7 @@
+    }
+ 
+    public void writePacketData(PacketBuffer buf) throws IOException {
+-      buf.writeString(GSON.toJson(this.response));
++      buf.writeString(this.response.getJson()); //Forge: Let the response cache the JSON
+    }
+ 
+    public void processPacket(INetHandlerStatusClient handler) {

patches/minecraft/net/minecraft/server/MinecraftServer.java.patch

@@ -1,34 +1,67 @@
 --- a/net/minecraft/server/MinecraftServer.java
 +++ b/net/minecraft/server/MinecraftServer.java
-@@ -130,7 +130,7 @@
-    private final DataFixer dataFixer;
-    private String hostname;
-    private int serverPort = -1;
--   public WorldServer[] worlds;
-+   public WorldServer[] worlds = new WorldServer[0];
-    private PlayerList playerList;
-    private boolean serverRunning = true;
-    private boolean serverStopped;
-@@ -148,7 +148,8 @@
+@@ -148,7 +148,6 @@
     private int buildLimit;
     private int maxPlayerIdleMinutes;
     public final long[] tickTimeArray = new long[100];
 -   public long[][] timeOfLastDimensionTick;
-+   //public long[][] timeOfLastDimensionTick;
-+   public java.util.Hashtable<Integer, long[]> worldTickTimes = new java.util.Hashtable<Integer, long[]>();
     private KeyPair serverKeyPair;
     private String serverOwner;
     private String folderName;
-@@ -287,8 +288,6 @@
+@@ -287,8 +286,7 @@
     public void loadAllWorlds(String saveName, String worldNameIn, long seed, WorldType type, JsonElement generatorOptions) {
        this.convertMapIfNeeded(saveName);
        this.func_200245_b(new TextComponentTranslation("menu.loadingLevel", new Object[0]));
 -      this.worlds = new WorldServer[3];
 -      this.timeOfLastDimensionTick = new long[this.worlds.length][100];
++      this.worlds = new WorldServer[1]; //Forge only initialize overworld, we will do the rest.
        ISaveHandler isavehandler = this.anvilConverterForAnvilFile.func_197715_a(saveName, this);
        this.setResourcePackFromWorld(this.getFolderName(), isavehandler);
        WorldInfo worldinfo = isavehandler.loadWorldInfo();
-@@ -523,6 +522,7 @@
+@@ -340,6 +338,18 @@
+          }
+       }
+ 
++      for (int dim : net.minecraftforge.common.DimensionManager.getStaticDimensionIDs()) {
++         WorldServer world = this.worlds[0];
++         if (dim != 0) {
++            world = (WorldServer)(new WorldServerMulti(this, isavehandler, dim, this.worlds[0], this.profiler).init());
++            world.addEventListener(new ServerWorldEventHandler(this, world));
++            if (!this.isSinglePlayer()) {
++               world.getWorldInfo().setGameType(getGameType());
++            }
++         }
++         net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.event.world.WorldEvent.Load(world));
++      }
++
+       this.playerList.setPlayerManager(this.worlds);
+       if (worldinfo.func_201357_P() != null) {
+          this.func_201300_aS().func_201381_a(worldinfo.func_201357_P());
+@@ -378,7 +388,7 @@
+       this.func_200245_b(new TextComponentTranslation("menu.generatingTerrain", new Object[0]));
+       int j1 = 0;
+       LOGGER.info("Preparing start region for level 0");
+-      WorldServer worldserver = this.worlds[0];
++      WorldServer worldserver = getWorld(0);
+       BlockPos blockpos = worldserver.getSpawnPoint();
+       List<ChunkPos> list = Lists.<ChunkPos>newArrayList();
+       Set<ChunkPos> set = Sets.<ChunkPos>newConcurrentHashSet();
+@@ -493,9 +503,14 @@
+ 
+          for(WorldServer worldserver1 : this.worlds) {
+             if (worldserver1 != null) {
++               net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.event.world.WorldEvent.Unload(worldserver1));
+                worldserver1.close();
+             }
+          }
++
++         WorldServer[] tmp = this.worlds;
++         for (WorldServer world : tmp)
++             net.minecraftforge.common.DimensionManager.setWorld(world.provider.getId(), null, this);
+       }
+ 
+       if (this.usageSnooper.isSnooperRunning()) {
+@@ -523,6 +538,7 @@
     public void run() {
        try {
           if (this.init()) {
@@ -36,7 +69,7 @@
              this.field_211151_aa = Util.func_211177_b();
              this.statusResponse.setServerDescription(new TextComponentString(this.motd));
              this.statusResponse.setVersion(new ServerStatusResponse.Version("1.13", 393));
-@@ -546,7 +546,10 @@
+@@ -546,7 +562,10 @@
  
                 this.serverIsRunning = true;
              }
@@ -47,7 +80,7 @@
              this.finalTick((CrashReport)null);
           }
        } catch (Throwable throwable1) {
-@@ -565,6 +568,7 @@
+@@ -565,6 +584,7 @@
              LOGGER.error("We were unable to save this crash report to disk.");
           }
  
@@ -55,7 +88,7 @@
           this.finalTick(crashreport);
        } finally {
           try {
-@@ -573,6 +577,7 @@
+@@ -573,6 +593,7 @@
           } catch (Throwable throwable) {
              LOGGER.error("Exception stopping the server", throwable);
           } finally {
@@ -63,7 +96,15 @@
              this.systemExitNow();
           }
  
-@@ -686,10 +691,12 @@
+@@ -648,6 +669,7 @@
+ 
+          Collections.shuffle(Arrays.asList(agameprofile));
+          this.statusResponse.getPlayers().setPlayers(agameprofile);
++         this.statusResponse.invalidateJson();
+       }
+ 
+       if (this.tickCounter % 900 == 0) {
+@@ -686,16 +708,18 @@
        this.getFunctionManager().update();
        this.profiler.endStartSection("levels");
  
@@ -74,17 +115,74 @@
           long j = Util.func_211178_c();
 -         if (i == 0 || this.getAllowNether()) {
 -            WorldServer worldserver = this.worlds[i];
++         WorldServer worldserver = getWorld(id);
 +         if (id == 0 || this.getAllowNether()) {
-+            WorldServer worldserver = net.minecraftforge.common.DimensionManager.getWorld(id);
              this.profiler.func_194340_a(() -> {
                 return worldserver.getWorldInfo().getWorldName();
              });
-@@ -724,7 +731,7 @@
+             if (this.tickCounter % 20 == 0) {
+                this.profiler.startSection("timeSync");
+-               this.playerList.sendPacketToAllPlayersInDimension(new SPacketTimeUpdate(worldserver.getTotalWorldTime(), worldserver.getWorldTime(), worldserver.getGameRules().getBoolean("doDaylightCycle")), worldserver.provider.getDimensionType().getId());
++               this.playerList.sendPacketToAllPlayersInDimension(new SPacketTimeUpdate(worldserver.getTotalWorldTime(), worldserver.getWorldTime(), worldserver.getGameRules().getBoolean("doDaylightCycle")), worldserver.provider.getId());
+                this.profiler.endSection();
+             }
+ 
+@@ -724,9 +748,11 @@
              this.profiler.endSection();
           }
  
 -         this.timeOfLastDimensionTick[i][this.tickCounter % 100] = Util.func_211178_c() - j;
-+         worldTickTimes.get(id)[this.tickCounter % 100] = Util.func_211178_c() - j;
++         worldserver.setTickTime(this.tickCounter, Util.func_211178_c() - j);
        }
  
++      this.profiler.endStartSection("dim_unloading");
++      net.minecraftforge.common.DimensionManager.unloadWorlds();
        this.profiler.endStartSection("connection");
+       this.getNetworkSystem().networkTick();
+       this.profiler.endStartSection("players");
+@@ -749,6 +775,14 @@
+    }
+ 
+    public static void main(String[] p_main_0_) {
++      //Forge: Copied from DedicatedServer.init as to run as early as possible, Old code left in place intentionally.
++      //Done in good faith with permission: https://github.com/MinecraftForge/MinecraftForge/issues/3659#issuecomment-390467028
++      ServerEula eula = new ServerEula(new File("eula.txt"));
++      if (!eula.hasAcceptedEULA()) {
++          LOGGER.info("You need to agree to the EULA in order to run the server. Go to eula.txt for more info.");
++          eula.createEULAFile();
++          return;
++      }
+       Bootstrap.register();
+ 
+       try {
+@@ -851,7 +885,7 @@
+    }
+ 
+    public void startServerThread() {
+-      this.serverThread = new Thread(this, "Server thread");
++      this.serverThread = new Thread(net.minecraftforge.fml.common.thread.SidedThreadGroups.SERVER, this, "Server thread");
+       this.serverThread.setUncaughtExceptionHandler((p_195574_0_, p_195574_1_) -> {
+          LOGGER.error(p_195574_1_);
+       });
+@@ -871,11 +905,7 @@
+    }
+ 
+    public WorldServer getWorld(int dimension) {
+-      if (dimension == -1) {
+-         return this.worlds[1];
+-      } else {
+-         return dimension == 1 ? this.worlds[2] : this.worlds[0];
+-      }
++      return net.minecraftforge.common.DimensionManager.getWorld(dimension, true, true);
+    }
+ 
+    public WorldServer func_200667_a(DimensionType p_200667_1_) {
+@@ -918,7 +948,7 @@
+    }
+ 
+    public String getServerModName() {
+-      return "vanilla";
++      return net.minecraftforge.common.ForgeHooks.getServerModName();
+    }
+ 
+    public CrashReport addServerInfoToCrashReport(CrashReport report) {

patches/minecraft/net/minecraft/server/integrated/IntegratedServer.java.patch

@@ -1,6 +1,35 @@
 --- a/net/minecraft/server/integrated/IntegratedServer.java
 +++ b/net/minecraft/server/integrated/IntegratedServer.java
-@@ -121,9 +121,10 @@
+@@ -62,8 +62,7 @@
+ 
+    public void loadAllWorlds(String saveName, String worldNameIn, long seed, WorldType type, JsonElement generatorOptions) {
+       this.convertMapIfNeeded(saveName);
+-      this.worlds = new WorldServer[3];
+-      this.timeOfLastDimensionTick = new long[this.worlds.length][100];
++      this.worlds = new WorldServer[1]; //Forge only initialize overworld, we will do the rest.
+       ISaveHandler isavehandler = this.getActiveAnvilConverter().func_197715_a(saveName, this);
+       this.setResourcePackFromWorld(this.getFolderName(), isavehandler);
+       WorldInfo worldinfo = isavehandler.loadWorldInfo();
+@@ -100,6 +99,18 @@
+          this.worlds[i].addEventListener(new ServerWorldEventHandler(this, this.worlds[i]));
+       }
+ 
++      for (int dim : net.minecraftforge.common.DimensionManager.getStaticDimensionIDs()) {
++         WorldServer world = this.worlds[0];
++         if (dim != 0) {
++            world = (WorldServer)(new WorldServerMulti(this, isavehandler, dim, this.worlds[0], this.profiler).init());
++            world.addEventListener(new ServerWorldEventHandler(this, world));
++            if (!this.isSinglePlayer()) {
++               world.getWorldInfo().setGameType(getGameType());
++            }
++         }
++         net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.event.world.WorldEvent.Load(world));
++      }
++
+       this.getPlayerList().setPlayerManager(this.worlds);
+       if (worldinfo.func_201357_P() != null) {
+          this.func_201300_aS().func_201381_a(worldinfo.func_201357_P());
+@@ -121,9 +132,10 @@
        this.setAllowFlight(true);
        LOGGER.info("Generating keypair");
        this.setKeyPair(CryptManager.generateKeyPair());
@@ -12,3 +41,19 @@
     }
  
     public void tick() {
+@@ -176,6 +188,7 @@
+    }
+ 
+    public EnumDifficulty getDifficulty() {
++      if (this.mc.world == null) return this.mc.gameSettings.difficulty; // Fix NPE just in case.
+       return this.mc.world.getWorldInfo().getDifficulty();
+    }
+ 
+@@ -275,6 +288,7 @@
+    }
+ 
+    public void initiateShutdown() {
++      if (isServerRunning())
+       Futures.getUnchecked(this.addScheduledTask(() -> {
+          for(EntityPlayerMP entityplayermp : Lists.newArrayList(this.getPlayerList().getPlayers())) {
+             if (!entityplayermp.getUniqueID().equals(this.field_211528_n)) {

patches/minecraft/net/minecraft/tileentity/TileEntityFurnace.java.patch

@@ -0,0 +1,105 @@
+--- a/net/minecraft/tileentity/TileEntityFurnace.java
++++ b/net/minecraft/tileentity/TileEntityFurnace.java
+@@ -185,9 +185,9 @@
+       super.readFromNBT(compound);
+       this.furnaceItemStacks = NonNullList.<ItemStack>withSize(this.getSizeInventory(), ItemStack.EMPTY);
+       ItemStackHelper.loadAllItems(compound, this.furnaceItemStacks);
+-      this.furnaceBurnTime = compound.getShort("BurnTime");
+-      this.cookTime = compound.getShort("CookTime");
+-      this.totalCookTime = compound.getShort("CookTimeTotal");
++      this.furnaceBurnTime = compound.getInteger("BurnTime");
++      this.cookTime = compound.getInteger("CookTime");
++      this.totalCookTime = compound.getInteger("CookTimeTotal");
+       this.currentItemBurnTime = getItemBurnTime(this.furnaceItemStacks.get(1));
+       int i = compound.getShort("RecipesUsedSize");
+ 
+@@ -205,9 +205,9 @@
+ 
+    public NBTTagCompound writeToNBT(NBTTagCompound compound) {
+       super.writeToNBT(compound);
+-      compound.setShort("BurnTime", (short)this.furnaceBurnTime);
+-      compound.setShort("CookTime", (short)this.cookTime);
+-      compound.setShort("CookTimeTotal", (short)this.totalCookTime);
++      compound.setInteger("BurnTime", this.furnaceBurnTime);
++      compound.setInteger("CookTime", this.cookTime);
++      compound.setInteger("CookTimeTotal", this.totalCookTime);
+       ItemStackHelper.saveAllItems(compound, this.furnaceItemStacks);
+       compound.setShort("RecipesUsedSize", (short)this.field_203901_m.size());
+       int i = 0;
+@@ -254,6 +254,10 @@
+                this.currentItemBurnTime = this.furnaceBurnTime;
+                if (this.isBurning()) {
+                   flag1 = true;
++                  if (itemstack.hasContainerItem()) {
++                     this.furnaceItemStacks.set(1, itemstack.getContainerItem());
++                  }
++                  else
+                   if (!itemstack.isEmpty()) {
+                      Item item = itemstack.getItem();
+                      itemstack.shrink(1);
+@@ -308,10 +312,10 @@
+                return true;
+             } else if (!itemstack1.isItemEqual(itemstack)) {
+                return false;
+-            } else if (itemstack1.getCount() < this.getInventoryStackLimit() && itemstack1.getCount() < itemstack1.getMaxStackSize()) {
++            } else if (itemstack1.getCount() + itemstack.getCount() <= this.getInventoryStackLimit() && itemstack1.getCount() < itemstack1.getMaxStackSize()) { // Forge fix: make furnace respect stack sizes in furnace recipes
+                return true;
+             } else {
+-               return itemstack1.getCount() < itemstack.getMaxStackSize();
++               return itemstack1.getCount() + itemstack.getCount() <= itemstack.getMaxStackSize(); // Forge fix: make furnace respect stack sizes in furnace recipes
+             }
+          }
+       } else {
+@@ -327,7 +331,7 @@
+          if (itemstack2.isEmpty()) {
+             this.furnaceItemStacks.set(2, itemstack1.copy());
+          } else if (itemstack2.getItem() == itemstack1.getItem()) {
+-            itemstack2.grow(1);
++            itemstack2.grow(itemstack1.getCount());
+          }
+ 
+          if (!this.world.isRemote) {
+@@ -347,12 +351,13 @@
+          return 0;
+       } else {
+          Item item = stack.getItem();
+-         return func_201564_p().getOrDefault(item, 0);
++         int ret = stack.getBurnTime();
++         return net.minecraftforge.event.ForgeEventFactory.getItemBurnTime(stack, ret == -1 ? func_201564_p().getOrDefault(item, 0) : ret);
+       }
+    }
+ 
+    public static boolean isItemFuel(ItemStack stack) {
+-      return func_201564_p().containsKey(stack.getItem());
++      return getItemBurnTime(stack) > 0;
+    }
+ 
+    public boolean isUsableByPlayer(EntityPlayer player) {
+@@ -501,4 +506,27 @@
+ 
+       this.field_203901_m.clear();
+    }
++
++   net.minecraftforge.common.capabilities.OptionalCapabilityInstance<? extends net.minecraftforge.items.IItemHandler>[] handlers =
++           net.minecraftforge.items.wrapper.SidedInvWrapper.create(this, EnumFacing.UP, EnumFacing.DOWN, EnumFacing.NORTH);
++
++   @Override
++   public <T> net.minecraftforge.common.capabilities.OptionalCapabilityInstance<T> getCapability(net.minecraftforge.common.capabilities.Capability<T> capability, @Nullable EnumFacing facing) {
++      if (facing != null && capability == net.minecraftforge.items.CapabilityItemHandler.ITEM_HANDLER_CAPABILITY) {
++         if (facing == EnumFacing.UP)
++            return handlers[0].cast();
++         else if (facing == EnumFacing.UP)
++            return handlers[1].cast();
++         else
++            return handlers[2].cast();
++      }
++      return super.getCapability(capability, facing);
++   }
++
++   @Override
++   public void invalidate() {
++      super.invalidate();
++      for (int x = 0; x < handlers.length; x++)
++          handlers[x].invalidate();
++   }
+ }

patches/minecraft/net/minecraft/world/WorldServer.java.patch

@@ -17,3 +17,16 @@
        return this;
     }
  
+@@ -957,4 +958,12 @@
+    public NetworkTagManager func_205772_D() {
+       return this.server.func_199731_aO();
+    }
++
++   private long[] tickTime = new long[100];
++   public void setTickTime(int tick, long time) {
++      this.tickTime[tick % 100] = time;
++   }
++   public long[] getTickTimes() {
++      return this.tickTime;
++   }
+ }

src/main/java/net/minecraftforge/client/ForgeHooksClient.java

@@ -40,9 +40,9 @@ import javax.vecmath.Matrix4f;
 import javax.vecmath.Vector3f;
 import javax.vecmath.Vector4f;
 
-import net.minecraft.block.Block;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.GameSettings;
+import net.minecraft.client.MainWindow;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.audio.ISound;
 import net.minecraft.client.audio.SoundHandler;
@@ -138,7 +138,6 @@ import org.apache.commons.lang3.tuple.Pair;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.lwjgl.BufferUtils;
-import org.lwjgl.opengl.GL11;
 
 import com.google.common.collect.Maps;
 
@@ -154,19 +153,6 @@ public class ForgeHooksClient
         return result != null ? result : _default;
     }
 
-    //Optifine Helper Functions u.u, these are here specifically for Optifine
-    //Note: When using Optifine, these methods are invoked using reflection, which
-    //incurs a major performance penalty.
-    public static void orientBedCamera(IWorldReader world, BlockPos pos, IBlockState state, Entity entity)
-    {
-        Block block = state.getBlock();
-
-        if (block != null && block.isBed(state, world, pos, entity))
-        {
-            glRotatef((float)(block.getBedDirection(state, world, pos).getHorizontalIndex() * 90), 0.0F, 1.0F, 0.0F);
-        }
-    }
-
     public static boolean onDrawBlockHighlight(RenderGlobal context, EntityPlayer player, RayTraceResult target, int subID, float partialTicks)
     {
         return MinecraftForge.EVENT_BUS.post(new DrawBlockHighlightEvent(context, player, target, subID, partialTicks));
@@ -729,7 +715,7 @@ public class ForgeHooksClient
         return new BlockFaceUV(new float[]{ uMin, vMin, uMax, vMax }, angle);
     }
 
-    public static RenderGameOverlayEvent.BossInfo bossBarRenderPre(ScaledResolution res, BossInfoClient bossInfo, int x, int y, int increment)
+    public static RenderGameOverlayEvent.BossInfo bossBarRenderPre(MainWindow res, BossInfoClient bossInfo, int x, int y, int increment)
     {
         RenderGameOverlayEvent.BossInfo evt = new RenderGameOverlayEvent.BossInfo(new RenderGameOverlayEvent(Animation.getPartialTickTime(), res),
                 BOSSINFO, bossInfo, x, y, increment);
@@ -737,7 +723,7 @@ public class ForgeHooksClient
         return evt;
     }
 
-    public static void bossBarRenderPost(ScaledResolution res)
+    public static void bossBarRenderPost(MainWindow res)
     {
         MinecraftForge.EVENT_BUS.post(new RenderGameOverlayEvent.Post(new RenderGameOverlayEvent(Animation.getPartialTickTime(), res), BOSSINFO));
     }

src/main/java/net/minecraftforge/client/model/pipeline/ForgeBlockModelRenderer.java

@@ -22,6 +22,7 @@ package net.minecraftforge.client.model.pipeline;
 import java.util.List;
 import java.util.Random;
 
+import net.minecraft.block.Block;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.renderer.BlockModelRenderer;
 import net.minecraft.client.renderer.BufferBuilder;
@@ -113,7 +114,7 @@ public class ForgeBlockModelRenderer extends BlockModelRenderer
             quads = model.func_200117_a(state, side, rand);
             if(!quads.isEmpty())
             {
-                if(!checkSides || state.shouldSideBeRendered(world, pos, side))
+                if(!checkSides || Block.shouldSideBeRendered(state, world, pos, side))
                 {
                     if(empty) lighter.updateBlockInfo();
                     empty = false;

src/main/java/net/minecraftforge/common/DimensionManager.java

@@ -219,13 +219,11 @@ public class DimensionManager
         {
             worlds.put(id, world);
             weakWorldMap.put(world, world);
-            server.worldTickTimes.put(id, new long[100]);
             LOGGER.info(DIMMGR,"Loading dimension {} ({}) ({})", id, world.getWorldInfo().getWorldName(), world.getMinecraftServer());
         }
         else
         {
             worlds.remove(id);
-            server.worldTickTimes.remove(id);
             LOGGER.info(DIMMGR,"Unloading dimension {}", id);
         }
 
@@ -287,12 +285,23 @@ public class DimensionManager
     }
 
     public static WorldServer getWorld(int id, boolean resetUnloadDelay)
+    {
+        return getWorld(id, resetUnloadDelay, false);
+    }
+
+    public static WorldServer getWorld(int id, boolean resetUnloadDelay, boolean forceLoad)
     {
         if (resetUnloadDelay && unloadQueue.contains(id))
         {
             dimensions.get(id).ticksWaited = 0;
         }
-        return worlds.get(id);
+        WorldServer ret = worlds.get(id);
+        if (ret != null && forceLoad)
+        {
+            initDimension(id);
+            ret = worlds.get(id);
+        }
+        return ret;
     }
 
     public static WorldServer[] getWorlds()
@@ -379,7 +388,7 @@ public class DimensionManager
     /*
      * To be called by the server at the appropriate time, do not call from mod code.
      */
-    public static void unloadWorlds(Hashtable<Integer, long[]> worldTickTimes)
+    public static void unloadWorlds()
     {
         IntIterator queueIterator = unloadQueue.iterator();
         while (queueIterator.hasNext())

src/main/java/net/minecraftforge/common/ForgeHooks.java

@@ -21,8 +21,10 @@ package net.minecraftforge.common;
 
 import java.io.BufferedReader;
 import java.io.IOException;
+import java.lang.reflect.Field;
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
@@ -38,6 +40,7 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
+import com.google.common.base.Throwables;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Queues;
 import com.google.common.collect.Sets;
@@ -49,7 +52,6 @@ import net.minecraft.advancements.Advancement;
 import net.minecraft.advancements.AdvancementManager;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockFarmland;
-import net.minecraft.block.BlockLiquid;
 import net.minecraft.block.material.Material;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.Minecraft;
@@ -64,7 +66,9 @@ import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.entity.player.InventoryPlayer;
 import net.minecraft.entity.projectile.EntityThrowable;
+import net.minecraft.fluid.IFluidState;
 import net.minecraft.init.Blocks;
+import net.minecraft.init.Fluids;
 import net.minecraft.init.Items;
 import net.minecraft.inventory.ContainerRepair;
 import net.minecraft.inventory.IInventory;
@@ -73,7 +77,6 @@ import net.minecraft.item.Item;
 import net.minecraft.item.ItemAxe;
 import net.minecraft.item.ItemBucket;
 import net.minecraft.item.ItemEnchantedBook;
-import net.minecraft.item.ItemMonsterPlacer;
 import net.minecraft.item.ItemPickaxe;
 import net.minecraft.item.ItemPotion;
 import net.minecraft.item.ItemSpade;
@@ -91,11 +94,12 @@ import net.minecraft.network.play.server.SPacketRecipeBook;
 import net.minecraft.network.play.server.SPacketRecipeBook.State;
 import net.minecraft.potion.PotionType;
 import net.minecraft.potion.PotionUtils;
+import net.minecraft.resources.IResource;
+import net.minecraft.resources.IResourceManager;
 import net.minecraft.stats.StatList;
 import net.minecraft.tags.ItemTags;
 import net.minecraft.tags.Tag;
 import net.minecraft.tileentity.TileEntity;
-import net.minecraft.tileentity.TileEntityNote;
 import net.minecraft.util.DamageSource;
 import net.minecraft.util.EnumActionResult;
 import net.minecraft.util.EnumFacing;
@@ -117,6 +121,7 @@ import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 import net.minecraft.world.EnumDifficulty;
 import net.minecraft.world.GameType;
+import net.minecraft.world.IBlockReader;
 import net.minecraft.world.storage.loot.LootEntry;
 import net.minecraft.world.storage.loot.LootTable;
 import net.minecraft.world.storage.loot.LootTableManager;
@@ -149,17 +154,12 @@ import net.minecraftforge.event.entity.player.AdvancementEvent;
 import net.minecraftforge.event.world.BlockEvent;
 import net.minecraftforge.event.world.NoteBlockEvent;
 import net.minecraftforge.fluids.IFluidBlock;
-import net.minecraftforge.fml.common.Loader;
-import net.minecraftforge.fml.common.LoaderState;
 import net.minecraftforge.fml.ModContainer;
-import net.minecraftforge.fml.common.network.handshake.NetworkDispatcher;
-import net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.ConnectionType;
 import net.minecraftforge.fml.ModList;
 import net.minecraftforge.fml.network.ConnectionType;
 import net.minecraftforge.fml.loading.moddiscovery.ModFile;
 import net.minecraftforge.fml.loading.moddiscovery.ModFileInfo;
 import net.minecraftforge.fml.network.NetworkHooks;
-import net.minecraftforge.fml.relauncher.ReflectionHelper;
 import net.minecraftforge.registries.ForgeRegistries;
 import net.minecraftforge.registries.IForgeRegistry;
 import net.minecraftforge.registries.RegistryManager;
@@ -168,10 +168,12 @@ import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
 import org.apache.commons.io.FilenameUtils;
+import org.apache.commons.io.IOUtils;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.Marker;
 import org.apache.logging.log4j.MarkerManager;
+import org.apache.logging.log4j.util.TriConsumer;
 
 public class ForgeHooks
 {
@@ -210,20 +212,16 @@ public class ForgeHooks
         return entry.getStack(rand, fortune);
     }
 
-    private static boolean toolInit = false;
-    //static HashSet<List> toolEffectiveness = new HashSet<List>();
-
-    public static boolean canHarvestBlock(@Nonnull Block block, @Nonnull EntityPlayer player, @Nonnull IWorldReader world, @Nonnull BlockPos pos)
+    public static boolean canHarvestBlock(@Nonnull IBlockState state, @Nonnull EntityPlayer player, @Nonnull IBlockReader world, @Nonnull BlockPos pos)
     {
-        IBlockState state = world.getBlockState(pos);
-        state = state.getBlock().getActualState(state, world, pos);
+        //state = state.getActualState(world, pos);
         if (state.getMaterial().isToolNotRequired())
         {
             return true;
         }
 
         ItemStack stack = player.getHeldItemMainhand();
-        String tool = block.getHarvestTool(state);
+        ToolType tool = state.getHarvestTool();
         if (stack.isEmpty() || tool == null)
         {
             return player.canHarvestBlock(state);
@@ -235,89 +233,50 @@ public class ForgeHooks
             return player.canHarvestBlock(state);
         }
 
-        return toolLevel >= block.getHarvestLevel(state);
+        return toolLevel >= state.getHarvestLevel();
     }
 
     public static boolean canToolHarvestBlock(IWorldReader world, BlockPos pos, @Nonnull ItemStack stack)
     {
         IBlockState state = world.getBlockState(pos);
-        state = state.getBlock().getActualState(state, world, pos);
-        String tool = state.getBlock().getHarvestTool(state);
+        //state = state.getActualState(world, pos);
+        ToolType tool = state.getHarvestTool();
         if (stack.isEmpty() || tool == null) return false;
-        return stack.getItem().getHarvestLevel(stack, tool, null, null) >= state.getBlock().getHarvestLevel(state);
-    }
-
-    public static float blockStrength(@Nonnull IBlockState state, @Nonnull EntityPlayer player, @Nonnull World world, @Nonnull BlockPos pos)
-    {
-        float hardness = state.getBlockHardness(world, pos);
-        if (hardness < 0.0F)
-        {
-            return 0.0F;
-        }
-
-        if (!canHarvestBlock(state.getBlock(), player, world, pos))
-        {
-            return player.getDigSpeed(state, pos) / hardness / 100F;
-        }
-        else
-        {
-            return player.getDigSpeed(state, pos) / hardness / 30F;
-        }
+        return stack.getHarvestLevel(tool, null, null) >= state.getHarvestLevel();
     }
 
     public static boolean isToolEffective(IWorldReader world, BlockPos pos, @Nonnull ItemStack stack)
     {
         IBlockState state = world.getBlockState(pos);
-        state = state.getBlock().getActualState(state, world, pos);
-        for (String type : stack.getItem().getToolClasses(stack))
+        //state = state.getActualState(world, pos);
+        for (ToolType type : stack.getToolTypes())
         {
-            if (state.getBlock().isToolEffective(type, state))
+            if (state.isToolEffective(type))
                 return true;
         }
         return false;
     }
 
+    private static boolean toolInit = false;
     static void initTools()
     {
         if (toolInit)
-        {
             return;
-        }
         toolInit = true;
 
-        Set<Block> blocks = ReflectionHelper.getPrivateValue(ItemPickaxe.class, null, 0);
-        for (Block block : blocks)
-        {
-            block.setHarvestLevel("pickaxe", 0);
-        }
+        Set<Block> blocks = getPrivateValue(ItemPickaxe.class, null, 0);
+        blocks.forEach(block -> blockToolSetter.accept(block, ToolType.PICKAXE, 0));
+        blocks = getPrivateValue(ItemSpade.class, null, 0);
+        blocks.forEach(block -> blockToolSetter.accept(block, ToolType.SHOVEL, 0));
+        blocks = getPrivateValue(ItemAxe.class, null, 0);
+        blocks.forEach(block -> blockToolSetter.accept(block, ToolType.AXE, 0));
 
-        blocks = ReflectionHelper.getPrivateValue(ItemSpade.class, null, 0);
-        for (Block block : blocks)
-        {
-            block.setHarvestLevel("shovel", 0);
-        }
-
-        blocks = ReflectionHelper.getPrivateValue(ItemAxe.class, null, 0);
-        for (Block block : blocks)
-        {
-            block.setHarvestLevel("axe", 0);
-        }
-
-        Blocks.OBSIDIAN.setHarvestLevel("pickaxe", 3);
-        Blocks.ENCHANTING_TABLE.setHarvestLevel("pickaxe", 0);
-        Block[] oreBlocks = new Block[] {
-                Blocks.EMERALD_ORE, Blocks.EMERALD_BLOCK, Blocks.DIAMOND_ORE, Blocks.DIAMOND_BLOCK,
-                Blocks.GOLD_ORE, Blocks.GOLD_BLOCK, Blocks.REDSTONE_ORE, Blocks.LIT_REDSTONE_ORE
-        };
-        for (Block block : oreBlocks)
-        {
-            block.setHarvestLevel("pickaxe", 2);
-        }
-        Blocks.IRON_ORE.setHarvestLevel("pickaxe", 1);
-        Blocks.IRON_BLOCK.setHarvestLevel("pickaxe", 1);
-        Blocks.LAPIS_ORE.setHarvestLevel("pickaxe", 1);
-        Blocks.LAPIS_BLOCK.setHarvestLevel("pickaxe", 1);
-        Blocks.QUARTZ_ORE.setHarvestLevel("pickaxe", 0);
+        //This is taken from ItemAxe, if that changes update here.
+        blockToolSetter.accept(Blocks.OBSIDIAN, ToolType.PICKAXE, 3);
+        for (Block block : new Block[]{Blocks.DIAMOND_BLOCK, Blocks.DIAMOND_ORE, Blocks.EMERALD_ORE, Blocks.EMERALD_BLOCK, Blocks.GOLD_BLOCK, Blocks.GOLD_ORE, Blocks.REDSTONE_ORE})
+            blockToolSetter.accept(block, ToolType.PICKAXE, 2);
+        for (Block block : new Block[]{Blocks.IRON_BLOCK, Blocks.IRON_ORE, Blocks.LAPIS_BLOCK, Blocks.LAPIS_ORE})
+            blockToolSetter.accept(block, ToolType.PICKAXE, 1);
     }
 
     public static int getTotalArmorValue(EntityPlayer player)
@@ -723,7 +682,7 @@ public class ForgeHooks
 
     public static float getEnchantPower(@Nonnull World world, @Nonnull BlockPos pos)
     {
-        return world.getBlockState(pos).getBlock().getEnchantPowerBonus(world, pos);
+        return world.getBlockState(pos).getEnchantPowerBonus(world, pos);
     }
 
     @Nullable
@@ -841,9 +800,7 @@ public class ForgeHooks
         // Tell client the block is gone immediately then process events
         if (world.getTileEntity(pos) == null)
         {
-            SPacketBlockChange packet = new SPacketBlockChange(world, pos);
-            packet.blockState = Blocks.AIR.getDefaultState();
-            entityPlayer.connection.sendPacket(packet);
+            entityPlayer.connection.sendPacket(new SPacketBlockChange(DUMMY_WORLD, pos));
         }
 
         // Post the block break event
@@ -872,6 +829,7 @@ public class ForgeHooks
         return event.isCanceled() ? -1 : event.getExpToDrop();
     }
 
+    /* TODO: Talk to Sponge folk about World rollbacks.
     public static EnumActionResult onPlaceItemIntoWorld(@Nonnull ItemUseContext context)
     {
         ItemStack itemstack = context.func_195996_i();
@@ -969,6 +927,7 @@ public class ForgeHooks
 
         return ret;
     }
+    */
 
     public static boolean onAnvilChange(ContainerRepair container, @Nonnull ItemStack left, @Nonnull ItemStack right, IInventory outputSlot, String name, int baseCost)
     {
@@ -989,18 +948,6 @@ public class ForgeHooks
         return e.getBreakChance();
     }
 
-    public static boolean onNoteChange(TileEntityNote te, byte old)
-    {
-        NoteBlockEvent.Change e = new NoteBlockEvent.Change(te.getWorld(), te.getPos(), te.getWorld().getBlockState(te.getPos()), old, te.note);
-        if (MinecraftForge.EVENT_BUS.post(e))
-        {
-            te.note = old;
-            return false;
-        }
-        te.note = (byte)e.getVanillaNoteId();
-        return true;
-    }
-
     private static ThreadLocal<EntityPlayer> craftingPlayer = new ThreadLocal<EntityPlayer>();
     public static void setCraftingPlayer(EntityPlayer player)
     {
@@ -1285,16 +1232,6 @@ public class ForgeHooks
         MinecraftForge.EVENT_BUS.post(new BlockEvent.CropGrowEvent.Post(worldIn, pos, state, worldIn.getBlockState(pos)));
     }
 
-    public static boolean loadAdvancements(Map<ResourceLocation, Advancement.Builder> map)
-    {
-        boolean errored = false;
-        for (ModFileInfo mod : ModList.get().getModFiles())
-        {
-            errored |= !loadAdvancements(map, mod.getFile());
-        }
-        return errored;
-    }
-
     @Nullable
     public static CriticalHitEvent getCriticalHit(EntityPlayer player, Entity target, boolean vanillaCritical, float damageModifier)
     {
@@ -1307,56 +1244,6 @@ public class ForgeHooks
         return null;
     }
 
-    private static boolean loadAdvancements(Map<ResourceLocation, Advancement.Builder> map, ModFile mod)
-    {
-        if (Loader.instance().getLoaderState() != LoaderState.NOINIT) //Unit Tests..
-            Loader.instance().setActiveModContainer(mod);
-    }
-
-    private static boolean loadAdvancements(Map<ResourceLocation, Advancement.Builder> map, ModContainer mod)
-    {
-        return CraftingHelper.findFiles(mod, "assets/" + mod.getModId() + "/advancements", null,
-            (root, file) ->
-            {
-
-                String relative = root.relativize(file).toString();
-                if (!"json".equals(FilenameUtils.getExtension(file.toString())) || relative.startsWith("_"))
-                    return true;
-
-                String name = FilenameUtils.removeExtension(relative).replaceAll("\\\\", "/");
-                ResourceLocation key = new ResourceLocation(mod.getModId(), name);
-
-                if (!map.containsKey(key))
-                {
-                    BufferedReader reader = null;
-
-                    try
-                    {
-                        reader = Files.newBufferedReader(file);
-                        Advancement.Builder builder = JsonUtils.fromJson(AdvancementManager.GSON, reader, Advancement.Builder.class);
-                        map.put(key, builder);
-                    }
-                    catch (JsonParseException jsonparseexception)
-                    {
-                        LOGGER.error("Parsing error loading built-in advancement " + key, (Throwable)jsonparseexception);
-                        return false;
-                    }
-                    catch (IOException ioexception)
-                    {
-                        LOGGER.error("Couldn't read advancement " + key + " from " + file, (Throwable)ioexception);
-                        return false;
-                    }
-                    finally
-                    {
-                        IOUtils.closeQuietly(reader);
-                    }
-                }
-
-                return true;
-            },
-            true, true
-        );
-    }
 /* TODO this should be unnecessary now?
     public static void sendRecipeBook(NetHandlerPlayServer connection, State state, List<IRecipe> recipes, List<IRecipe> display, boolean isGuiOpen, boolean isFilteringCraftable)
     {
@@ -1439,4 +1326,52 @@ public class ForgeHooks
         }
         return false;
     }
+
+    public static String getServerModName()
+    {
+        //TODO: Branding Properties: snooperbranding
+        return "forge";
+    }
+
+    private static TriConsumer<Block, ToolType, Integer> blockToolSetter;
+    //Internal use only Modders, this is specifically hidden from you, as you shouldn't be editing other people's blocks.
+    public static void setBlockToolSetter(TriConsumer<Block, ToolType, Integer> setter)
+    {
+        blockToolSetter = setter;
+    }
+    @SuppressWarnings("unchecked")
+    private static <T, E> T getPrivateValue(Class <? super E > classToAccess, @Nullable E instance, int fieldIndex)
+    {
+        try
+        {
+            Field f = classToAccess.getDeclaredFields()[fieldIndex];
+            f.setAccessible(true);
+            return (T) f.get(instance);
+        }
+        catch (Exception e)
+        {
+            Throwables.throwIfUnchecked(e);
+            throw new RuntimeException(e);
+        }
+    }
+
+    private static final DummyBlockReader DUMMY_WORLD = new DummyBlockReader();
+    private static class DummyBlockReader implements IBlockReader {
+
+        @Override
+        public TileEntity getTileEntity(BlockPos pos) {
+            return null;
+        }
+
+        @Override
+        public IBlockState getBlockState(BlockPos pos) {
+            return Blocks.AIR.getDefaultState();
+        }
+
+        @Override
+        public IFluidState func_204610_c(BlockPos p_204610_1_) {
+            return Fluids.field_204541_a.func_207188_f();
+        }
+
+    }
 }

src/main/java/net/minecraftforge/common/ToolType.java

@@ -0,0 +1,53 @@
+/*
+ * Minecraft Forge
+ * Copyright (c) 2016-2018.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation version 2.1
+ * of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+package net.minecraftforge.common;
+
+import java.util.Map;
+import java.util.regex.Pattern;
+
+import com.google.common.collect.Maps;
+
+public final class ToolType
+{
+    public static final ToolType AXE = get("axe");
+    public static final ToolType PICKAXE = get("pickaxe");
+    public static final ToolType SHOVEL = get("shovel");
+
+    private static final Map<String, ToolType> values = Maps.newHashMap();
+    private static final Pattern VALID_NAME = Pattern.compile("[^a-z_]"); //Only a-z and _ are allowed, meaning names must be lower case. And use _ to separate words.
+
+    public static ToolType get(String name)
+    {
+        if (VALID_NAME.matcher(name).find())
+            throw new IllegalArgumentException("ToolType.create() called with invalid name: " + name);
+        return values.putIfAbsent(name, new ToolType(name));
+    }
+
+    private final String name;
+
+    private ToolType(String name)
+    {
+        this.name = name;
+    }
+
+    public String getName()
+    {
+        return name;
+    }
+}

src/main/java/net/minecraftforge/common/extensions/IForgeBlock.java

@@ -40,7 +40,6 @@ import net.minecraft.item.EnumDyeColor;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.pathfinding.PathNodeType;
-import net.minecraft.state.EnumProperty;
 import net.minecraft.state.IProperty;
 import net.minecraft.state.properties.BedPart;
 import net.minecraft.util.*;
@@ -52,19 +51,20 @@ import net.minecraft.world.Explosion;
 import net.minecraft.world.IBlockReader;
 import net.minecraft.world.IWorld;
 import net.minecraft.world.IWorldReader;
+import net.minecraft.world.IWorldWriter;
 import net.minecraft.world.World;
 import net.minecraft.world.WorldServer;
 import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.api.distmarker.OnlyIn;
 import net.minecraftforge.common.EnumPlantType;
 import net.minecraftforge.common.IPlantable;
+import net.minecraftforge.common.ToolType;
 
 public interface IForgeBlock
 {
     default Block getBlock()
     {
         return (Block) this;
-
     }
 
     /**
@@ -170,7 +170,7 @@ public interface IForgeBlock
         return this.getBlock().hasTileEntity();
     }
 
-    boolean canSilkHarvest(IWorldReader world, BlockPos pos, IBlockState state, EntityPlayer player);
+    boolean canSilkHarvest(IBlockState state, IWorldReader world, BlockPos pos, EntityPlayer player);
 
     /**
      * Determines if this block is classified as a Bed, Allowing
@@ -198,6 +198,7 @@ public interface IForgeBlock
      * @param type The Mob Category Type
      * @return True to allow a mob of the specified category to spawn, false to prevent it.
      */
+    @SuppressWarnings("deprecation")
     default boolean canCreatureSpawn(IBlockState state, IWorldReader world, BlockPos pos, EntitySpawnPlacementRegistry.SpawnPlacementType type)
     {
         return this.getBlock().isTopSolid(state);
@@ -225,19 +226,18 @@ public interface IForgeBlock
 
     /**
      * Called when a user either starts or stops sleeping in the bed.
+     * @param state
      *
      * @param world The current world
      * @param pos Block position in world
      * @param player The player or camera entity, null in some cases.
      * @param occupied True if we are occupying the bed, or false if they are stopping use of the bed
      */
-    default void setBedOccupied(IWorldReader world, BlockPos pos, EntityPlayer player, boolean occupied)
+    default void setBedOccupied(IBlockState state, IWorldReader world, BlockPos pos, EntityPlayer player, boolean occupied)
     {
-        if (world instanceof World)
+        if (world instanceof IWorldWriter)
         {
-            IBlockState state = world.getBlockState(pos);
-            state.func_206870_a(BlockBed.OCCUPIED,occupied);
-            ((World) world).setBlockState(pos, state, 4);
+            ((IWorldWriter)world).setBlockState(pos, state.func_206870_a(BlockBed.OCCUPIED,occupied), 4);
         }
     }
 
@@ -336,7 +336,7 @@ public interface IForgeBlock
      * @param pos Block position in world
      * @return  true if the block is wood (logs)
      */
-    default boolean isWood(IWorldReader world, BlockPos pos)
+    default boolean isWood(IBlockState state, IWorldReader world, BlockPos pos)
     {
         return false;
     }
@@ -365,7 +365,7 @@ public interface IForgeBlock
      * @param explosion The explosion
      * @return The amount of the explosion absorbed.
      */
-    default float getExplosionResistance(IWorld world, BlockPos pos, @Nullable Entity exploder, Explosion explosion)
+    default float getExplosionResistance(IBlockState state, IWorldReader world, BlockPos pos, @Nullable Entity exploder, Explosion explosion)
     {
         return this.getBlock().getExplosionResistance();
     }
@@ -379,7 +379,7 @@ public interface IForgeBlock
      * @param pos Block position in world
      * @param explosion The explosion instance affecting the block
      */
-    void onBlockExploded(World world, BlockPos pos, Explosion explosion);
+    void onBlockExploded(IBlockState state, World world, BlockPos pos, Explosion explosion);
 
     /**
      * Determine if this block can make a redstone connection on the side provided,
@@ -408,15 +408,10 @@ public interface IForgeBlock
     default boolean canPlaceTorchOnTop(IBlockState state, IWorldReader world, BlockPos pos)
     {
         if (state.isTopSolid() || state.getBlockFaceShape(world, pos, EnumFacing.UP) == BlockFaceShape.SOLID)
-        {
             return this.getBlock() != Blocks.END_GATEWAY && this.getBlock() != Blocks.field_196628_cT;
-
-        }
         else
-        {
             return this.getBlock() instanceof BlockFence || this.getBlock() == Blocks.COBBLESTONE_WALL || this.getBlock() instanceof BlockGlass;
     }
-    }
 
     /**
      *
@@ -436,7 +431,7 @@ public interface IForgeBlock
      *
      * @return False to disallow spawning.
      */
-    default boolean isFoilage(IWorldReader world, BlockPos pos)
+    default boolean isFoliage(IBlockState state, IWorldReader world, BlockPos pos)
     {
         return false;
     }
@@ -486,7 +481,7 @@ public interface IForgeBlock
     * @return True to prevent vanilla break particles from spawning.
     */
     @OnlyIn(Dist.CLIENT)
-    default boolean addDestroyEffects(World world, BlockPos pos, ParticleManager manager)
+    default boolean addDestroyEffects(IBlockState state, World world, BlockPos pos, ParticleManager manager)
     {
         return false;
     }
@@ -568,10 +563,8 @@ public interface IForgeBlock
     default void onPlantGrow(IBlockState state, World world, BlockPos pos, BlockPos source)
     {
         if (this.getBlock() == Blocks.GRASS || this.getBlock() == Blocks.FARMLAND)
-        {
             world.setBlockState(pos, Blocks.DIRT.getDefaultState(), 2);
     }
-    }
 
    /**
     * Checks if this soil is fertile, typically this means that growth rates
@@ -582,12 +575,10 @@ public interface IForgeBlock
     * @param pos Block position in world
     * @return True if the soil should be considered fertile.
     */
-    default boolean isFertile(World world, BlockPos pos)
+    default boolean isFertile(IBlockState state, IWorldReader world, BlockPos pos)
     {
         if (this.getBlock() == Blocks.FARMLAND)
-        {
-            return world.getBlockState(pos).getValue(BlockFarmland.MOISTURE) > 0;
-        }
+            return state.getValue(BlockFarmland.MOISTURE) > 0;
 
         return  false;
     }
@@ -618,7 +609,7 @@ public interface IForgeBlock
     * @param beacon Beacon position in world
     * @return True, to support the beacon, and make it active with this block.
     */
-    default boolean isBeaconBase(IWorldReader world, BlockPos pos, BlockPos beacon)
+    default boolean isBeaconBase(IBlockState state, IWorldReader world, BlockPos pos, BlockPos beacon)
     {
         return this.getBlock() == Blocks.EMERALD_BLOCK || this.getBlock() == Blocks.GOLD_BLOCK ||
                 this.getBlock() == Blocks.DIAMOND_BLOCK || this.getBlock() == Blocks.IRON_BLOCK;
@@ -637,10 +628,8 @@ public interface IForgeBlock
        return 0;
     }
 
-    default boolean rotateBlock(World world, BlockPos pos, EnumFacing axis)
+    default boolean rotateBlock(IBlockState state, IWorld world, BlockPos pos, EnumFacing axis)
     {
-        IBlockState state = world.getBlockState(pos);
-
         state.func_206871_b().keySet().forEach(prop ->
         {
             if (prop.getName().equals("facing") || prop.getName().equals("rotation") && prop.getValueClass() == EnumFacing.class)
@@ -673,7 +662,7 @@ public interface IForgeBlock
                         }
                     }
 
-                    world.setBlockState(pos, newState);
+                    world.setBlockState(pos, newState, 3);
                 }
 
             }
@@ -688,7 +677,7 @@ public interface IForgeBlock
     * @param pos Block position in world
     * @return The amount of enchanting power this block produces.
     */
-    default float getEnchantPowerBouns(World world, BlockPos pos)
+    default float getEnchantPowerBonus(IBlockState state, IWorldReader world, BlockPos pos)
     {
         return this.getBlock() == Blocks.BOOKSHELF ? 1: 0;
     }
@@ -703,7 +692,7 @@ public interface IForgeBlock
     * @param fortune
     * @return Amount of XP from breaking this block.
     */
-    default boolean recolorBlock(World world, BlockPos pos, EnumFacing facing, EnumDyeColor color)
+    default boolean recolorBlock(IBlockState state, IWorld world, BlockPos pos, EnumFacing facing, EnumDyeColor color)
     {
         return false;
     }
@@ -714,7 +703,7 @@ public interface IForgeBlock
     * @param pos Block position in world
     * @param neighbor Block position of neighbor
     */
-    default void onNeighborChange(IWorldReader world, BlockPos pos, BlockPos neighbor){}
+    default void onNeighborChange(IBlockState state, IWorldReader world, BlockPos pos, BlockPos neighbor){}
 
    /**
     * Called on an Observer block whenever an update for an Observer is received.
@@ -748,7 +737,7 @@ public interface IForgeBlock
    * @param pos Block position in world
    * @return true To be notified of changes
    */
-   default boolean getWeakChanges(IWorldReader world, BlockPos pos)
+   default boolean getWeakChanges(IBlockState state, IWorldReader world, BlockPos pos)
    {
        return false;
    }
@@ -756,7 +745,7 @@ public interface IForgeBlock
    * Queries the class of tool required to harvest this block, if null is returned
    * we assume that anything can harvest this block.
    */
-   String getHarvestTool(IBlockState state);
+   ToolType getHarvestTool(IBlockState state);
 
   /**
    * Queries the harvest level of this item stack for the specified tool class,
@@ -770,14 +759,11 @@ public interface IForgeBlock
    * Checks if the specified tool type is efficient on this block,
    * meaning that it digs at full speed.
    */
-   default boolean isToolEffective(String type, IBlockState state)
-   {
-       if ("pickaxe".equals(type) && (this.getBlock() == Blocks.REDSTONE_ORE || this.getBlock() == Blocks.REDSTONE_LAMP
-               || this.getBlock() == Blocks.OBSIDIAN))
+   default boolean isToolEffective(IBlockState state, ToolType tool)
    {
+       if (tool == ToolType.PICKAXE && (this.getBlock() == Blocks.REDSTONE_ORE || this.getBlock() == Blocks.REDSTONE_LAMP || this.getBlock() == Blocks.OBSIDIAN))
            return false;
-       }
-        return type != null && type.equals(getHarvestTool(state));
+       return tool == getHarvestTool(state);
    }
 
    /**
@@ -794,7 +780,6 @@ public interface IForgeBlock
      *
      * @param world that is being tested.
      * @param blockpos position thats being tested.
-     * @param iblockstate state at world/blockpos
      * @param entity that is being tested.
      * @param yToTest, primarily for testingHead, which sends the the eye level of the entity, other wise it sends a y that can be tested vs liquid height.
      * @param materialIn to test for.
@@ -802,7 +787,7 @@ public interface IForgeBlock
      * @return null for default behavior, true if the entity is within the material, false if it was not.
      */
     @Nullable
-    default Boolean isEntityInsideMaterial(IWorldReader world, BlockPos blockpos, IBlockState iblockstate, Entity entity, double yToTest, Material materialIn, boolean testingHead)
+    default Boolean isEntityInsideMaterial(IBlockState state, IWorldReader world, BlockPos blockpos, Entity entity, double yToTest, Material materialIn, boolean testingHead)
     {
         return null;
     }
@@ -818,7 +803,7 @@ public interface IForgeBlock
      * @return null for default behavior, true if the box is within the material, false if it was not.
      */
     @Nullable
-    default Boolean isAABBInsideMaterial(World world, BlockPos pos, AxisAlignedBB boundingBox, Material materialIn)
+    default Boolean isAABBInsideMaterial(IBlockState state, IWorldReader world, BlockPos pos, AxisAlignedBB boundingBox, Material materialIn)
     {
         return null;
     }
@@ -832,7 +817,7 @@ public interface IForgeBlock
      * @return null for default behavior, true if the box is within the material, false if it was not.
      */
     @Nullable
-    default Boolean isAABBInsideLiquid(World world, BlockPos pos, AxisAlignedBB boundingBox)
+    default Boolean isAABBInsideLiquid(IBlockState state, IWorldReader world, BlockPos pos, AxisAlignedBB boundingBox)
     {
         return null;
     }
@@ -855,7 +840,7 @@ public interface IForgeBlock
      * @param entity The entity that is breaking/stepping on/placing/hitting/falling on this block, or null if no entity is in this context
      * @return A SoundType to use
      */
-    default SoundType getSoundType(IBlockState state, World world, BlockPos pos, @Nullable Entity entity)
+    default SoundType getSoundType(IBlockState state, IWorldReader world, BlockPos pos, @Nullable Entity entity)
     {
         return this.getBlock().getSoundType();
     }
@@ -868,7 +853,7 @@ public interface IForgeBlock
      * @return A float RGB [0.0, 1.0] array to be averaged with a beacon's existing beam color, or null to do nothing to the beam
      */
     @Nullable
-    default float[] getBeaconColorMultiplier(IBlockState state, World world, BlockPos pos, BlockPos beaconPos)
+    default float[] getBeaconColorMultiplier(IBlockState state, IWorldReader world, BlockPos pos, BlockPos beaconPos)
     {
         return null;
     }
@@ -885,7 +870,7 @@ public interface IForgeBlock
      * @return The new fog color.
      */
     @OnlyIn(Dist.CLIENT)
-    default Vec3d getFogColor(World world, BlockPos pos, IBlockState state, Entity entity, Vec3d originalColor, float partialTicks)
+    default Vec3d getFogColor(IBlockState state, IWorldReader world, BlockPos pos, Entity entity, Vec3d originalColor, float partialTicks)
     {
         if (state.getMaterial() == Material.WATER)
         {
@@ -939,6 +924,7 @@ public interface IForgeBlock
      * @param hand The player hand used to place this block
      * @return The state to be placed in the world
      */
+    @SuppressWarnings("deprecation")
     default IBlockState getStateForPlacement(IBlockState state, EnumFacing facing, IBlockState state2, IWorld world, BlockPos pos1, BlockPos pos2, EnumHand hand)
     {
         return this.getBlock().func_196271_a(state, facing, state2, world, pos1, pos2);
@@ -953,7 +939,7 @@ public interface IForgeBlock
      * @param facing The side the connecting block is on
      * @return True to allow another block to connect to this block
      */
-    default boolean canBeConnectedTo(IWorldReader world, BlockPos pos, EnumFacing facing)
+    default boolean canBeConnectedTo(IBlockState state, IWorldReader world, BlockPos pos, EnumFacing facing)
     {
         return false;
     }
@@ -976,6 +962,7 @@ public interface IForgeBlock
      * @param side The side of this block that the chest lid is trying to open into
      * @return true if the chest should be prevented from opening by this block
      */
+    @SuppressWarnings("deprecation")
     default boolean doesSideBlockChestOpening(IBlockState blockState, IWorldReader world, BlockPos pos, EnumFacing side)
     {
         ResourceLocation registryName = this.getBlock().getRegistryName();

src/main/java/net/minecraftforge/common/extensions/IForgeBlockState.java

@@ -0,0 +1,820 @@
+/*
+ * Minecraft Forge
+ * Copyright (c) 2016-2018.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation version 2.1
+ * of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+package net.minecraftforge.common.extensions;
+
+import java.util.function.Predicate;
+
+import javax.annotation.Nullable;
+
+import net.minecraft.block.*;
+import net.minecraft.block.material.Material;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.particle.ParticleManager;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.entity.EntitySpawnPlacementRegistry.SpawnPlacementType;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.EnumDyeColor;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.pathfinding.PathNodeType;
+import net.minecraft.util.*;
+import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.RayTraceResult;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.world.Explosion;
+import net.minecraft.world.IBlockReader;
+import net.minecraft.world.IWorld;
+import net.minecraft.world.IWorldReader;
+import net.minecraft.world.World;
+import net.minecraft.world.WorldServer;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
+import net.minecraftforge.common.IPlantable;
+import net.minecraftforge.common.ToolType;
+
+public interface IForgeBlockState
+{
+    default IBlockState getBlockState()
+    {
+        return (IBlockState)this;
+    }
+
+    /**
+     * Gets the slipperiness at the given location at the given state. Normally
+     * between 0 and 1.
+     * <p>
+     * Note that entities may reduce slipperiness by a certain factor of their own;
+     * for {@link net.minecraft.entity.EntityLivingBase}, this is {@code .91}.
+     * {@link net.minecraft.entity.item.EntityItem} uses {@code .98}, and
+     * {@link net.minecraft.entity.projectile.EntityFishHook} uses {@code .92}.
+     *
+     * @param world the world
+     * @param pos the position in the world
+     * @param entity the entity in question
+     * @return the factor by which the entity's motion should be multiplied
+     */
+    default float getSlipperiness(IWorldReader world, BlockPos pos, @Nullable Entity entity)
+    {
+        return getBlockState().getBlock().getSlipperiness(getBlockState(), world, pos, entity);
+    }
+
+    /**
+     * Get a light value for this block, taking into account the given state and coordinates, normal ranges are between 0 and 15
+     */
+    default int getLightValue(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().getLightValue(getBlockState(), world, pos);
+    }
+
+    /**
+     * Checks if a player or entity can use this block to 'climb' like a ladder.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @param entity The entity trying to use the ladder, CAN be null.
+     * @return True if the block should act like a ladder
+     */
+    default boolean isLadder(IWorldReader world, BlockPos pos, EntityLivingBase entity)
+    {
+        return getBlockState().getBlock().isLadder(getBlockState(), world, pos, entity);
+    }
+
+    /**
+     * Return true if the block is a normal, solid cube.  This
+     * determines indirect power state, entity ejection from blocks, and a few
+     * others.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @return True if the block is a full cube
+     */
+    default boolean isNormalCube(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().isNormalCube(getBlockState(), world, pos);
+    }
+
+    /**
+     * Check if the face of a block should block rendering.
+     *
+     * Faces which are fully opaque should return true, faces with transparency
+     * or faces which do not span the full size of the block should return false.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @param face The side to check
+     * @return True if the block is opaque on the specified side.
+     */
+    default boolean doesSideBlockRendering(IWorldReader world, BlockPos pos, EnumFacing face)
+    {
+        return getBlockState().getBlock().doesSideBlockRendering(getBlockState(), world, pos, face);
+    }
+
+    /**
+     * Called throughout the code as a replacement for block instanceof BlockContainer
+     * Moving this to the Block base class allows for mods that wish to extend vanilla
+     * blocks, and also want to have a tile entity on that block, may.
+     *
+     * Return true from this function to specify this block has a tile entity.
+     *
+     * @return True if block has a tile entity, false otherwise
+     */
+    default boolean hasTileEntity()
+    {
+        return getBlockState().getBlock().hasTileEntity(getBlockState());
+    }
+
+    default boolean canSilkHarvest(IWorldReader world, BlockPos pos, EntityPlayer player)
+    {
+        return getBlockState().getBlock().canSilkHarvest(getBlockState(), world, pos, player);
+    }
+
+    /**
+     * Determines if this block is classified as a Bed, Allowing
+     * players to sleep in it, though the block has to specifically
+     * perform the sleeping functionality in it's activated event.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @param player The player or camera entity, null in some cases.
+     * @return True to treat this as a bed
+     */
+    default boolean isBed(IWorldReader world, BlockPos pos, @Nullable EntityPlayer player)
+    {
+        return getBlockState().getBlock().isBed(getBlockState(), world, pos, player);
+    }
+
+    /**
+     * Determines if a specified mob type can spawn on this block, returning false will
+     * prevent any mob from spawning on the block.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @param type The Mob Category Type
+     * @return True to allow a mob of the specified category to spawn, false to prevent it.
+     */
+    default boolean canCreatureSpawn(IWorldReader world, BlockPos pos, SpawnPlacementType type)
+    {
+        return getBlockState().getBlock().canCreatureSpawn(getBlockState(), world, pos, type);
+    }
+    /**
+     * Returns the position that the player is moved to upon
+     * waking up, or respawning at the bed.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @param player The player or camera entity, null in some cases.
+     * @return The spawn position
+     */
+    @Nullable
+    default BlockPos getBedSpawnPosition(IWorldReader world, BlockPos pos, @Nullable EntityPlayer player)
+    {
+        return getBlockState().getBlock().getBedSpawnPosition(getBlockState(), world, pos, player);
+    }
+
+    /**
+     * Called when a user either starts or stops sleeping in the bed.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @param player The player or camera entity, null in some cases.
+     * @param occupied True if we are occupying the bed, or false if they are stopping use of the bed
+     */
+    default void setBedOccupied(IWorldReader world, BlockPos pos, EntityPlayer player, boolean occupied)
+    {
+        getBlockState().getBlock().setBedOccupied(getBlockState(), world, pos, player, occupied);
+    }
+
+   /**
+    * Returns the direction of the block. Same values that
+    * are returned by BlockDirectional
+    *
+    * @param world The current world
+    * @param pos Block position in world
+    * @return Bed direction
+    */
+    default EnumFacing getBedDirection(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().getBedDirection(getBlockState(), world, pos);
+    }
+
+    /**
+     * Determines if the current block is the foot half of the bed.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @return True if the current block is the foot side of a bed.
+     */
+    default boolean isBedFoot(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().isBedFoot(getBlockState(), world, pos);
+    }
+
+    /**
+     * Called when a leaf should start its decay process.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     */
+    default void beginLeaveDecay(IWorldReader world, BlockPos pos)
+    {
+        getBlockState().getBlock().beginLeaveDecay(getBlockState(), world, pos);
+    }
+
+    /**
+     * Determines if this block can prevent leaves connected to it from decaying.
+     * @param world The current world
+     * @param pos Block position in world
+     * @return true if the presence this block can prevent leaves from decaying.
+     */
+    default boolean canSustainLeaves(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().canSustainLeaves(getBlockState(), world, pos);
+    }
+
+    /**
+     * Determines if this block is considered a leaf block, used to apply the leaf decay and generation system.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @return true if this block is considered leaves.
+     */
+    default boolean isLeaves(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().isLeaves(getBlockState(), world, pos);
+    }
+
+    /**
+     * Determines this block should be treated as an air block
+     * by the rest of the code. This method is primarily
+     * useful for creating pure logic-blocks that will be invisible
+     * to the player and otherwise interact as air would.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @return True if the block considered air
+     */
+    default boolean isAir(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().isAir(getBlockState(), world, pos);
+    }
+
+    /**
+     * Used during tree growth to determine if newly generated leaves can replace this block.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @return true if this block can be replaced by growing leaves.
+     */
+    default boolean canBeReplacedByLeaves(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().canBeReplacedByLeaves(getBlockState(), world, pos);
+    }
+
+    /**
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @return  true if the block is wood (logs)
+     */
+    default boolean isWood(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().isWood(getBlockState(), world, pos);
+    }
+
+    /**
+     * Determines if the current block is replaceable by Ore veins during world generation.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @param target The generic target block the gen is looking for, Standards define stone
+     *      for overworld generation, and neatherack for the nether.
+     * @return True to allow this block to be replaced by a ore
+     */
+    default boolean isReplaceableOreGen(IWorldReader world, BlockPos pos, Predicate<IBlockState> target)
+    {
+        return getBlockState().getBlock().isReplaceableOreGen(getBlockState(), world, pos, target);
+    }
+
+    /**
+     * Location sensitive version of getExplosionResistance
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @param exploder The entity that caused the explosion, can be null
+     * @param explosion The explosion
+     * @return The amount of the explosion absorbed.
+     */
+    default float getExplosionResistance(IWorldReader world, BlockPos pos, @Nullable Entity exploder, Explosion explosion)
+    {
+        return getBlockState().getBlock().getExplosionResistance(getBlockState(), world, pos, exploder, explosion);
+    }
+
+    /**
+     * Called when the block is destroyed by an explosion.
+     * Useful for allowing the block to take into account tile entities,
+     * state, etc. when exploded, before it is removed.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @param explosion The explosion instance affecting the block
+     */
+    default void onBlockExploded(World world, BlockPos pos, Explosion explosion)
+    {
+        getBlockState().getBlock().onBlockExploded(getBlockState(), world, pos, explosion);
+    }
+
+    /**
+     * Determine if this block can make a redstone connection on the side provided,
+     * Useful to control which sides are inputs and outputs for redstone wires.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @param side The side that is trying to make the connection, CAN BE NULL
+     * @return True to make the connection
+     */
+    default boolean canConnectRedstone(IWorldReader world, BlockPos pos, @Nullable EnumFacing side)
+    {
+        return getBlockState().getBlock().canConnectRedstone(getBlockState(), world, pos, side);
+    }
+
+    /**
+     * Determines if a torch can be placed on the top surface of this block.
+     * Useful for creating your own block that torches can be on, such as fences.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @return True to allow the torch to be placed
+     */
+    default boolean canPlaceTorchOnTop(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().canPlaceTorchOnTop(getBlockState(), world, pos);
+    }
+
+    /**
+     *
+     * Called when A user uses the creative pick block button on this block
+     *
+     * @param target The full target the player is looking at
+     * @return A ItemStack to add to the player's inventory, empty itemstack if nothing should be added.
+     */
+    default ItemStack getPickBlock(RayTraceResult target, IBlockReader world, BlockPos pos, EntityPlayer player)
+    {
+        return getBlockState().getBlock().getPickBlock(getBlockState(), target, world, pos, player);
+    }
+
+    /**
+     * Used by getTopSoilidOrLiquidBlock while placing biome decorations, villages, etc
+     * Also used to determine if the player can spawn in this block.
+     *
+     * @return False to disallow spawning.
+     */
+    default boolean isFoliage(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().isFoliage(getBlockState(), world, pos);
+    }
+
+    /**
+     *  Allows a block to override the standard EntityLivingBase.updateFallState
+     *  particles, this is a server side method that spawns particles with
+     *  WorldServer.spawnParticle.
+     *
+     * @param worldserver The current Server World
+     * @param pos The position of the block.
+     * @param state2 The state at the specific world/pos
+     * @param entity The entity that hit landed on the block
+     * @param numberOfParticles That vanilla world have spawned
+     * @return True to prevent vanilla landing particles from spawning
+     */
+    default boolean addLandingEffects(WorldServer worldserver, BlockPos pos, IBlockState state2, EntityLivingBase entity, int numberOfParticles)
+    {
+        return getBlockState().getBlock().addLandingEffects(getBlockState(), worldserver, pos, state2, entity, numberOfParticles);
+    }
+   /**
+    * Allows a block to override the standard vanilla running particles.
+    * This is called from {@link Entity#spawnRunningParticles} and is called both,
+    * Client and server side, it's up to the implementor to client check / server check.
+    * By default vanilla spawns particles only on the client and the server methods no-op.
+    *
+    * @param world  The world.
+    * @param pos    The position at the entities feet.
+    * @param entity The entity running on the block.
+    * @return True to prevent vanilla running particles from spawning.
+    */
+    default boolean addRunningEffects(World world, BlockPos pos, Entity entity)
+    {
+        return getBlockState().getBlock().addRunningEffects(getBlockState(), world, pos, entity);
+    }
+
+   /**
+    * Spawn particles for when the block is destroyed. Due to the nature
+    * of how this is invoked, the x/y/z locations are not always guaranteed
+    * to host your block. So be sure to do proper sanity checks before assuming
+    * that the location is this block.
+    *
+    * @param world The current world
+    * @param pos Position to spawn the particle
+    * @param manager A reference to the current particle manager.
+    * @return True to prevent vanilla break particles from spawning.
+    */
+    @OnlyIn(Dist.CLIENT)
+    default boolean addDestroyEffects(World world, BlockPos pos, ParticleManager manager)
+    {
+        return getBlockState().getBlock().addDestroyEffects(getBlockState(), world, pos, manager);
+    }
+
+   /**
+    * Determines if this block can support the passed in plant, allowing it to be planted and grow.
+    * Some examples:
+    *   Reeds check if its a reed, or if its sand/dirt/grass and adjacent to water
+    *   Cacti checks if its a cacti, or if its sand
+    *   Nether types check for soul sand
+    *   Crops check for tilled soil
+    *   Caves check if it's a solid surface
+    *   Plains check if its grass or dirt
+    *   Water check if its still water
+    *
+    * @param world The current world
+    * @param facing The direction relative to the given position the plant wants to be, typically its UP
+    * @param plantable The plant that wants to check
+    * @return True to allow the plant to be planted/stay.
+    */
+    default boolean canSustainPlant(IWorldReader world, BlockPos pos, EnumFacing facing, IPlantable plantable)
+    {
+        return getBlockState().getBlock().canSustainPlant(getBlockState(), world, pos, facing, plantable);
+    }
+
+    /**
+     * Called when a plant grows on this block, only implemented for saplings using the WorldGen*Trees classes right now.
+     * Modder may implement this for custom plants.
+     * This does not use ForgeDirection, because large/huge trees can be located in non-representable direction,
+     * so the source location is specified.
+     * Currently this just changes the block to dirt if it was grass.
+     *
+     * Note: This happens DURING the generation, the generation may not be complete when this is called.
+     *
+     * @param world Current world
+     * @param pos Block position in world
+     * @param source Source plant's position in world
+     */
+    default void onPlantGrow(World world, BlockPos pos, BlockPos source)
+    {
+        getBlockState().getBlock().onPlantGrow(getBlockState(), world, pos, source);
+    }
+
+   /**
+    * Checks if this soil is fertile, typically this means that growth rates
+    * of plants on this soil will be slightly sped up.
+    * Only vanilla case is tilledField when it is within range of water.
+    *
+    * @param world The current world
+    * @param pos Block position in world
+    * @return True if the soil should be considered fertile.
+    */
+    default boolean isFertile(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().isFertile(getBlockState(), world, pos);
+    }
+
+   /**
+    * Location aware and overrideable version of the lightOpacity array,
+    * return the number to subtract from the light value when it passes through this block.
+    *
+    * This is not guaranteed to have the tile entity in place before this is called, so it is
+    * Recommended that you have your tile entity call relight after being placed if you
+    * rely on it for light info.
+    *
+    * @param state The Block state
+    * @param world The current world
+    * @param pos Block position in world
+    * @return The amount of light to block, 0 for air, 255 for fully opaque.
+    */
+    default int getLightOpacity(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().getLightOpacity(getBlockState(), world, pos);
+    }
+
+   /**
+    * Determines if this block can be used as the base of a beacon.
+    *
+    * @param world The current world
+    * @param pos Block position in world
+    * @param beacon Beacon position in world
+    * @return True, to support the beacon, and make it active with this block.
+    */
+    default boolean isBeaconBase(IWorldReader world, BlockPos pos, BlockPos beacon)
+    {
+        return getBlockState().getBlock().isBeaconBase(getBlockState(), world, pos, beacon);
+    }
+   /**
+    * Gathers how much experience this block drops when broken.
+    *
+    * @param world The world
+    * @param pos Block position
+    * @param fortune
+    * @return Amount of XP from breaking this block.
+    */
+    default int getExpDrop(IWorldReader world, BlockPos pos, int fortune)
+    {
+        return getBlockState().getBlock().getExpDrop(getBlockState(), world, pos, fortune);
+    }
+
+    default boolean rotateBlock(IWorld world, BlockPos pos, EnumFacing axis)
+    {
+        return getBlockState().getBlock().rotateBlock(getBlockState(), world, pos, axis);
+    }
+
+
+   /**
+    * Determines the amount of enchanting power this block can provide to an enchanting table.
+    * @param world The World
+    * @param pos Block position in world
+    * @return The amount of enchanting power this block produces.
+    */
+    default float getEnchantPowerBonus(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().getEnchantPowerBonus(getBlockState(), world, pos);
+    }
+
+    default boolean recolorBlock(IWorld world, BlockPos pos, EnumFacing facing, EnumDyeColor color)
+    {
+        return getBlockState().getBlock().recolorBlock(getBlockState(), world, pos, facing, color);
+    }
+
+   /**
+    * Called when a tile entity on a side of this block changes is created or is destroyed.
+    * @param world The world
+    * @param pos Block position in world
+    * @param neighbor Block position of neighbor
+    */
+    default void onNeighborChange(IWorldReader world, BlockPos pos, BlockPos neighbor)
+    {
+        getBlockState().getBlock().onNeighborChange(getBlockState(), world, pos, neighbor);
+    }
+
+   /**
+    * Called on an Observer block whenever an update for an Observer is received.
+    *
+    * @param observerState The Observer block's state.
+    * @param world The current world.
+    * @param pos The Observer block's position.
+    * @param changed The updated block.
+    * @param changedPos The updated block's position.
+    */
+    default void observedNeighborChange(World world, BlockPos pos, Block changed, BlockPos changedPos)
+    {
+        getBlockState().getBlock().observedNeighborChange(getBlockState(), world, pos, changed, changedPos);
+    }
+
+   /**
+    * Called to determine whether to allow the a block to handle its own indirect power rather than using the default rules.
+    * @param world The world
+    * @param pos Block position in world
+    * @param side The INPUT side of the block to be powered - ie the opposite of this block's output side
+    * @return Whether Block#isProvidingWeakPower should be called when determining indirect power
+    */
+    default boolean shouldCheckWeakPower(IWorldReader world, BlockPos pos, EnumFacing side)
+    {
+        return getBlockState().getBlock().shouldCheckWeakPower(getBlockState(), world, pos, side);
+    }
+
+    /**
+     * If this block should be notified of weak changes.
+     * Weak changes are changes 1 block away through a solid block.
+     * Similar to comparators.
+     *
+     * @param world The current world
+     * @param pos Block position in world
+     * @return true To be notified of changes
+     */
+    default boolean getWeakChanges(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().getWeakChanges(getBlockState(), world, pos);
+    }
+
+    /**
+     * Queries the class of tool required to harvest this block, if null is returned
+     * we assume that anything can harvest this block.
+     */
+    default ToolType getHarvestTool()
+    {
+        return getBlockState().getBlock().getHarvestTool(getBlockState());
+    }
+
+    default int getHarvestLevel()
+    {
+        return getBlockState().getBlock().getHarvestLevel(getBlockState());
+    }
+
+    /**
+     * Checks if the specified tool type is efficient on this block,
+     * meaning that it digs at full speed.
+     */
+    default boolean isToolEffective(ToolType tool)
+    {
+        return getBlockState().getBlock().isToolEffective(getBlockState(), tool);
+    }
+
+    /**
+     * Can return IExtendedBlockState
+     */
+    default IBlockState getExtendedState(IBlockReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().getExtendedState(getBlockState(), world, pos);
+    }
+
+    /**
+     * Called when the entity is inside this block, may be used to determined if the entity can breathing,
+     * display material overlays, or if the entity can swim inside a block.
+     *
+     * @param world that is being tested.
+     * @param pos position thats being tested.
+     * @param entity that is being tested.
+     * @param yToTest, primarily for testingHead, which sends the the eye level of the entity, other wise it sends a y that can be tested vs liquid height.
+     * @param material to test for.
+     * @param testingHead when true, its testing the entities head for vision, breathing ect... otherwise its testing the body, for swimming and movement adjustment.
+     * @return null for default behavior, true if the entity is within the material, false if it was not.
+     */
+    @Nullable
+    default Boolean isEntityInsideMaterial(IWorldReader world, BlockPos pos, Entity entity, double yToTest, Material material, boolean testingHead)
+    {
+        return getBlockState().getBlock().isEntityInsideMaterial(getBlockState(), world, pos, entity, yToTest, material, testingHead);
+    }
+
+    /**
+     * Called when boats or fishing hooks are inside the block to check if they are inside
+     * the material requested.
+     *
+     * @param world world that is being tested.
+     * @param pos block thats being tested.
+     * @param boundingBox box to test, generally the bounds of an entity that are besting tested.
+     * @param material to check for.
+     * @return null for default behavior, true if the box is within the material, false if it was not.
+     */
+    @Nullable
+    default Boolean isAABBInsideMaterial(IWorldReader world, BlockPos pos, AxisAlignedBB boundingBox, Material material)
+    {
+        return getBlockState().getBlock().isAABBInsideMaterial(getBlockState(), world, pos, boundingBox, material);
+    }
+
+    /**
+     * Called when entities are moving to check if they are inside a liquid
+     *
+     * @param world world that is being tested.
+     * @param pos block thats being tested.
+     * @param boundingBox box to test, generally the bounds of an entity that are besting tested.
+     * @return null for default behavior, true if the box is within the material, false if it was not.
+     */
+    @Nullable
+    default Boolean isAABBInsideLiquid(IWorldReader world, BlockPos pos, AxisAlignedBB boundingBox)
+    {
+        return getBlockState().getBlock().isAABBInsideLiquid(getBlockState(), world, pos, boundingBox);
+    }
+
+    /**
+     * Queries if this block should render in a given layer.
+     * ISmartBlockModel can use {@link net.minecraftforge.client.MinecraftForgeClient#getRenderLayer()} to alter their model based on layer.
+     */
+    default boolean canRenderInLayer(BlockRenderLayer layer)
+    {
+        return getBlockState().getBlock().canRenderInLayer(getBlockState(), layer);
+    }
+
+    /**
+     * Sensitive version of getSoundType
+     * @param world The world
+     * @param pos The position. Note that the world may not necessarily have {@code state} here!
+     * @param entity The entity that is breaking/stepping on/placing/hitting/falling on this block, or null if no entity is in this context
+     * @return A SoundType to use
+     */
+    default SoundType getSoundType(IWorldReader world, BlockPos pos, @Nullable Entity entity)
+    {
+        return getBlockState().getBlock().getSoundType(getBlockState(), world, pos, entity);
+    }
+
+    /**
+     * @param world The world
+     * @param pos The position of this state
+     * @param beaconPos The position of the beacon
+     * @return A float RGB [0.0, 1.0] array to be averaged with a beacon's existing beam color, or null to do nothing to the beam
+     */
+    @Nullable
+    default float[] getBeaconColorMultiplier(IWorldReader world, BlockPos pos, BlockPos beacon)
+    {
+        return getBlockState().getBlock().getBeaconColorMultiplier(getBlockState(), world, pos, beacon);
+    }
+
+    /**
+     * Use this to change the fog color used when the entity is "inside" a material.
+     * Vec3d is used here as "r/g/b" 0 - 1 values.
+     *
+     * @param world         The world.
+     * @param pos           The position at the entity viewport.
+     * @param entity        the entity
+     * @param originalColor The current fog color, You are not expected to use this, Return as the default if applicable.
+     * @return The new fog color.
+     */
+    @OnlyIn(Dist.CLIENT)
+    default Vec3d getFogColor(IWorldReader world, BlockPos pos, Entity entity, Vec3d originalColor, float partialTicks)
+    {
+        return getBlockState().getBlock().getFogColor(getBlockState(), world, pos, entity, originalColor, partialTicks);
+    }
+
+    /**
+     * Used to determine the state 'viewed' by an entity (see
+     * {@link ActiveRenderInfo#getBlockStateAtEntityViewpoint(World, Entity, float)}).
+     * Can be used by fluid blocks to determine if the viewpoint is within the fluid or not.
+     *
+     * @param world     the world
+     * @param pos       the position
+     * @param viewpoint the viewpoint
+     * @return the block state that should be 'seen'
+     */
+    default IBlockState getStateAtViewpoint(IWorldReader world, BlockPos pos, Vec3d viewpoint)
+    {
+        return getBlockState().getBlock().getStateAtViewpoint(getBlockState(), world, pos, viewpoint);
+    }
+
+    /** //TODO: Re-Evaluate
+     * Gets the {@link IBlockState} to place
+     * @param world The world the block is being placed in
+     * @param pos The position the block is being placed at
+     * @param facing The side the block is being placed on
+     * @param hitX The X coordinate of the hit vector
+     * @param hitY The Y coordinate of the hit vector
+     * @param hitZ The Z coordinate of the hit vector
+     * @param meta The metadata of {@link ItemStack} as processed by {@link Item#getMetadata(int)}
+     * @param placer The entity placing the block
+     * @param hand The player hand used to place this block
+     * @return The state to be placed in the world
+     */
+    default IBlockState getStateForPlacement(EnumFacing facing, IBlockState state2, IWorld world, BlockPos pos1, BlockPos pos2, EnumHand hand)
+    {
+        return getBlockState().getBlock().getStateForPlacement(getBlockState(), facing, state2, world, pos1, pos2, hand);
+    }
+
+
+    /**
+     * Determines if another block can connect to this block
+     *
+     * @param world The current world
+     * @param pos The position of this block
+     * @param facing The side the connecting block is on
+     * @return True to allow another block to connect to this block
+     */
+    default boolean canBeConnectedTo(IWorldReader world, BlockPos pos, EnumFacing facing)
+    {
+        return getBlockState().getBlock().canBeConnectedTo(getBlockState(), world, pos, facing);
+    }
+
+    /**
+     * Get the {@code PathNodeType} for this block. Return {@code null} for vanilla behavior.
+     *
+     * @return the PathNodeType
+     */
+    @Nullable
+    default PathNodeType getAiPathNodeType(IWorldReader world, BlockPos pos)
+    {
+        return getBlockState().getBlock().getAiPathNodeType(getBlockState(), world, pos);
+    }
+
+    /**
+     * @param blockState The state for this block
+     * @param world The world this block is in
+     * @param pos The position of this block
+     * @param side The side of this block that the chest lid is trying to open into
+     * @return true if the chest should be prevented from opening by this block
+     */
+    default boolean doesSideBlockChestOpening(IWorldReader world, BlockPos pos, EnumFacing side)
+    {
+        return getBlockState().getBlock().doesSideBlockChestOpening(getBlockState(), world, pos, side);
+    }
+
+    /**
+     * @param state The state
+     * @return true if the block is sticky block which used for pull or push adjacent blocks (use by piston)
+     */
+    default boolean isStickyBlock()
+    {
+        return getBlockState().getBlock().isStickyBlock(getBlockState());
+    }
+
+}

src/main/java/net/minecraftforge/common/extensions/IForgeItem.java

@@ -1,14 +1,18 @@
 package net.minecraftforge.common.extensions;
 
+import java.util.Set;
+
 import javax.annotation.Nullable;
 
 import com.google.common.collect.Multimap;
 
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.Entity;
+import net.minecraft.entity.EntityLiving;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.entity.ai.attributes.AttributeModifier;
 import net.minecraft.entity.passive.EntityHorse;
+import net.minecraft.entity.passive.HorseArmorType;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.init.Items;
@@ -30,6 +34,7 @@ import net.minecraft.world.GameType;
 import net.minecraft.world.World;
 import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.api.distmarker.OnlyIn;
+import net.minecraftforge.common.ToolType;
 
 // TODO review most of the methods in this "patch"
 public interface IForgeItem
@@ -43,6 +48,7 @@ public interface IForgeItem
     /**
      * ItemStack sensitive version of getItemAttributeModifiers
      */
+    @SuppressWarnings("deprecation")
     default Multimap<String, AttributeModifier> getAttributeModifiers(EntityEquipmentSlot slot, ItemStack stack)
     {
         return getItem().getItemAttributeModifiers(slot);
@@ -188,6 +194,7 @@ public interface IForgeItem
      * @param stack The current item stack
      * @return True if this item has a 'container'
      */
+    @SuppressWarnings("deprecation")
     default boolean hasContainerItem(ItemStack stack)
     {
         return getItem().hasContainerItem();
@@ -476,6 +483,7 @@ public interface IForgeItem
      * @param stack The itemstack that is damaged
      * @return the damage value
      */
+    @SuppressWarnings("deprecation")
     default int getMaxDamage(ItemStack stack)
     {
         return getItem().getMaxDamage();
@@ -524,11 +532,11 @@ public interface IForgeItem
     /**
      * ItemStack sensitive version of {@link #canHarvestBlock(IBlockState)}
      *
-     * @param state The block trying to harvest
      * @param stack The itemstack used to harvest the block
+     * @param state The block trying to harvest
      * @return true if can harvest the block
      */
-    default boolean canHarvestBlock(IBlockState state, ItemStack stack)
+    default boolean canHarvestBlock(ItemStack stack, IBlockState state)
     {
         return getItem().canHarvestBlock(state);
     }
@@ -540,12 +548,13 @@ public interface IForgeItem
      * @param stack The ItemStack
      * @return The maximum number this item can be stacked to
      */
+    @SuppressWarnings("deprecation")
     default int getItemStackLimit(ItemStack stack)
     {
         return getItem().getItemStackLimit();
     }
 
-    java.util.Set<String> getToolClasses(ItemStack stack);
+    Set<ToolType> getToolTypes(ItemStack stack);
 
     /**
      * Queries the harvest level of this item stack for the specified tool class,
@@ -557,7 +566,7 @@ public interface IForgeItem
      * @param blockState The block to harvest
      * @return Harvest level, or -1 if not the specified tool type.
      */
-    int getHarvestLevel(ItemStack stack, String toolClass, @Nullable EntityPlayer player, @Nullable IBlockState blockState);
+    int getHarvestLevel(ItemStack stack, ToolType tool, @Nullable EntityPlayer player, @Nullable IBlockState blockState);
 
     /**
      * ItemStack sensitive version of getItemEnchantability
@@ -713,7 +722,7 @@ public interface IForgeItem
      *         it not act as a fuel. Return -1 to let the default vanilla logic
      *         decide.
      */
-    default int getItemBurnTime(ItemStack itemStack)
+    default int getBurnTime(ItemStack itemStack)
     {
         return -1;
     }
@@ -727,12 +736,12 @@ public interface IForgeItem
      * @return an enum constant of type {@code HorseArmorType}. Return
      *         HorseArmorType.NONE if this is not horse armor
      */
-    default net.minecraft.entity.passive.HorseArmorType getHorseArmorType(ItemStack stack)
+    default HorseArmorType getHorseArmorType(ItemStack stack)
     {
-        return net.minecraft.entity.passive.HorseArmorType.getByItem(stack.getItem());
+        return HorseArmorType.getByItem(stack.getItem());
     }
 
-    default String getHorseArmorTexture(net.minecraft.entity.EntityLiving wearer, ItemStack stack)
+    default String getHorseArmorTexture(EntityLiving wearer, ItemStack stack)
     {
         return getHorseArmorType(stack).getTextureName();
     }
@@ -745,7 +754,7 @@ public interface IForgeItem
      * @param horse the horse wearing this armor
      * @param armor the armor itemstack
      */
-    default void onHorseArmorTick(World world, net.minecraft.entity.EntityLiving horse, ItemStack armor)
+    default void onHorseArmorTick(World world, EntityLiving horse, ItemStack armor)
     {
     }
 

src/main/java/net/minecraftforge/common/extensions/IForgeItemStack.java

@@ -1,11 +1,20 @@
 package net.minecraftforge.common.extensions;
 
+import java.util.Set;
+
+import javax.annotation.Nullable;
+
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraftforge.common.ToolType;
+import net.minecraftforge.common.capabilities.ICapabilitySerializable;
 
 /*
  * Extension added to ItemStack that bounces to ItemSack sensitive Item methods. Typically this is just for convince.
  */
-public interface IForgeItemStack
+public interface IForgeItemStack extends ICapabilitySerializable<NBTTagCompound>
 {
     // Helpers for accessing Item data
     default ItemStack getStack()
@@ -36,4 +45,33 @@ public interface IForgeItemStack
         return getStack().getItem().hasContainerItem(getStack());
     }
 
+    /**
+     * @return the fuel burn time for this itemStack in a furnace. Return 0 to make
+     *         it not act as a fuel. Return -1 to let the default vanilla logic
+     *         decide.
+     */
+    default int getBurnTime()
+    {
+        return getStack().getItem().getBurnTime(getStack());
+    }
+
+    /**
+     * Queries the harvest level of this item stack for the specified tool class,
+     * Returns -1 if this tool is not of the specified type
+     *
+     * @param stack      This item stack instance
+     * @param toolClass  Tool Class
+     * @param player     The player trying to harvest the given blockstate
+     * @param state The block to harvest
+     * @return Harvest level, or -1 if not the specified tool type.
+     */
+    default int getHarvestLevel(ToolType tool, @Nullable EntityPlayer player, @Nullable IBlockState state)
+    {
+        return getStack().getItem().getHarvestLevel(getStack(), tool, player, state);
+    }
+
+    default Set<ToolType> getToolTypes() {
+        return getStack().getItem().getToolTypes(getStack());
+    }
+
 }

src/main/java/net/minecraftforge/common/util/FakePlayer.java

@@ -45,7 +45,7 @@ public class FakePlayer extends EntityPlayerMP
     @Override public void sendStatusMessage(ITextComponent chatComponent, boolean actionBar){}
     @Override public void sendMessage(ITextComponent component) {}
     @Override public void addStat(StatBase par1StatBase, int par2){}
-    @Override public void openGui(Object mod, int modGuiId, World world, int x, int y, int z){}
+    //@Override public void openGui(Object mod, int modGuiId, World world, int x, int y, int z){}
     @Override public boolean isEntityInvulnerable(DamageSource source){ return true; }
     @Override public boolean canAttackPlayer(EntityPlayer player){ return false; }
     @Override public void onDeath(DamageSource source){ return; }

src/main/java/net/minecraftforge/event/CommandEvent.java

@@ -1,69 +0,0 @@
-/*
- * Minecraft Forge
- * Copyright (c) 2016-2018.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation version 2.1
- * of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-package net.minecraftforge.event;
-
-import net.minecraft.command.CommandHandler;
-import net.minecraftforge.client.ClientCommandHandler;
-import net.minecraftforge.common.MinecraftForge;
-import net.minecraftforge.eventbus.api.Cancelable;
-import net.minecraftforge.eventbus.api.Event;
-import net.minecraft.command.ICommand;
-import net.minecraft.command.ICommandSender;
-
-/**
- * CommandEvent is fired whenever a command is scheduled to be executed. 
- * This event is fired during the invocation of {@link CommandHandler#executeCommand(ICommandSender, String)}
- * and {@link ClientCommandHandler#executeCommand(ICommandSender, String)}. <br>
- * <br>
- * {@link #command} contains the instance of ICommand which is representative of the currently executing command.<br>
- * {@link #sender} contains the instance of ICommandSender for the given command sender.<br>
- * {@link #parameters} contains the arguments passed for the command execution.<br>
- * {@link #exception} begins null, but can be populated with an exception to be thrown within the command.<br>
- * <br>
- * This event is {@link Cancelable}. <br>
- * If the event is canceled, the execution of the command does not occur.<br>
- * <br>
- * This event does not have a result. {@link HasResult}<br>
- * <br>
- * This event is fired on the {@link MinecraftForge#EVENT_BUS}.<br>
- **/
-@Cancelable
-public class CommandEvent extends net.minecraftforge.eventbus.api.Event
-{
-
-    private final ICommand command;
-    private final ICommandSender sender;
-    private String[] parameters;
-    private Throwable exception;
-
-    public CommandEvent(ICommand command, ICommandSender sender, String[] parameters)
-    {
-        this.command = command;
-        this.sender = sender;
-        this.setParameters(parameters);
-    }
-
-    public ICommand getCommand() { return command; }
-    public ICommandSender getSender() { return sender; }
-    public String[] getParameters() { return parameters; }
-    public void setParameters(String[] parameters) { this.parameters = parameters; }
-    public Throwable getException() { return exception; }
-    public void setException(Throwable exception) { this.exception = exception; }
-}

src/main/java/net/minecraftforge/event/ForgeEventFactory.java

@@ -89,7 +89,6 @@ import net.minecraftforge.event.entity.EntityMountEvent;
 import net.minecraftforge.event.entity.EntityStruckByLightningEvent;
 import net.minecraftforge.event.entity.PlaySoundAtEntityEvent;
 import net.minecraftforge.event.entity.ProjectileImpactEvent;
-import net.minecraftforge.event.entity.ThrowableImpactEvent;
 import net.minecraftforge.event.entity.item.ItemExpireEvent;
 import net.minecraftforge.event.entity.living.AnimalTameEvent;
 import net.minecraftforge.event.entity.living.LivingDestroyBlockEvent;
@@ -127,7 +126,6 @@ import net.minecraftforge.event.world.BlockEvent.PlaceEvent;
 import net.minecraftforge.event.world.ExplosionEvent;
 import net.minecraftforge.event.world.GetCollisionBoxesEvent;
 import net.minecraftforge.event.world.WorldEvent;
-import net.minecraftforge.fml.common.ObfuscationReflectionHelper;
 import net.minecraftforge.eventbus.api.Event;
 import net.minecraftforge.eventbus.api.Event.Result;
 import net.minecraftforge.fml.common.registry.GameRegistry;
@@ -180,27 +178,6 @@ public class ForgeEventFactory
         MinecraftForge.EVENT_BUS.post(new PlayerDestroyItemEvent(player, stack, hand));
     }
 
-    /**
-     * @deprecated use {@link #canEntitySpawn(EntityLiving, World, float, float, float, MobSpawnerBaseLogic)} instead
-     */
-    @Deprecated // TODO remove in 1.13
-    public static Result canEntitySpawn(EntityLiving entity, World world, float x, float y, float z)
-    {
-        return canEntitySpawn(entity, world, x, y, z, true);
-    }
-    /**
-     * @deprecated use {@link #canEntitySpawn(EntityLiving, World, float, float, float, MobSpawnerBaseLogic)} instead
-     */
-    @Deprecated // Still used in base game for non-spawner spawns, which is safe
-    public static Result canEntitySpawn(EntityLiving entity, World world, float x, float y, float z, boolean isSpawner)
-    {
-        if (entity == null)
-            return Result.DEFAULT;
-        LivingSpawnEvent.CheckSpawn event = new LivingSpawnEvent.CheckSpawn(entity, world, x, y, z, isSpawner); // TODO: replace isSpawner with null in 1.13
-        MinecraftForge.EVENT_BUS.post(event);
-        return event.getResult();
-    }
-
     public static Result canEntitySpawn(EntityLiving entity, World world, float x, float y, float z, MobSpawnerBaseLogic spawner)
     {
         if (entity == null)
@@ -223,32 +200,6 @@ public class ForgeEventFactory
         }
     }
 
-    /**
-     * @deprecated Use {@link #canEntitySpawnSpawner(EntityLiving, World, float, float, float, MobSpawnerBaseLogic)}
-     */
-    @Deprecated // TODO remove in 1.13
-    public static boolean canEntitySpawnSpawner(EntityLiving entity, World world, float x, float y, float z)
-    {
-        Result result = canEntitySpawn(entity, world, x, y, z, true);
-        if (result == Result.DEFAULT)
-        {
-            return entity.getCanSpawnHere() && entity.isNotColliding(); // vanilla logic
-        }
-        else
-        {
-            return result == Result.ALLOW;
-        }
-    }
-
-    /**
-     * @deprecated Use {@link #canEntitySpawnSpawner(EntityLiving, World, float, float, float, MobSpawnerBaseLogic)}
-     */
-    @Deprecated // Still used in base game for non-spawner spawns, which is safe
-    public static boolean doSpecialSpawn(EntityLiving entity, World world, float x, float y, float z)
-    {
-        return MinecraftForge.EVENT_BUS.post(new LivingSpawnEvent.SpecialSpawn(entity, world, x, y, z, null));
-    }
-
     public static boolean doSpecialSpawn(EntityLiving entity, World world, float x, float y, float z, MobSpawnerBaseLogic spawner)
     {
         return MinecraftForge.EVENT_BUS.post(new LivingSpawnEvent.SpecialSpawn(entity, world, x, y, z, spawner));
@@ -261,21 +212,10 @@ public class ForgeEventFactory
         return event.getResult();
     }
 
-    public static int getItemBurnTime(@Nonnull ItemStack itemStack)
+    public static int getItemBurnTime(@Nonnull ItemStack itemStack, int burnTime)
     {
-        Item item = itemStack.getItem();
-        int burnTime = item.getItemBurnTime(itemStack);
         FurnaceFuelBurnTimeEvent event = new FurnaceFuelBurnTimeEvent(itemStack, burnTime);
         MinecraftForge.EVENT_BUS.post(event);
-        if (event.getBurnTime() < 0)
-        {
-            // legacy handling
-            int fuelValue = GameRegistry.getFuelValueLegacy(itemStack);
-            if (fuelValue > 0)
-            {
-                return fuelValue;
-            }
-        }
         return event.getBurnTime();
     }
 
@@ -393,9 +333,7 @@ public class ForgeEventFactory
 
     public static void firePlayerLoadingEvent(EntityPlayer player, IPlayerFileData playerFileData, String uuidString)
     {
-        SaveHandler sh = (SaveHandler) playerFileData;
-        File dir = sh.getPlayersDirectory();
-        MinecraftForge.EVENT_BUS.post(new PlayerEvent.LoadFromFile(player, dir, uuidString));
+        MinecraftForge.EVENT_BUS.post(new PlayerEvent.LoadFromFile(player, ((SaveHandler)playerFileData).playersDirectory, uuidString));
     }
 
     @Nullable
@@ -705,9 +643,7 @@ public class ForgeEventFactory
 
     public static boolean onProjectileImpact(EntityThrowable throwable, RayTraceResult ray)
     {
-        boolean oldEvent = MinecraftForge.EVENT_BUS.post(new ThrowableImpactEvent(throwable, ray));
-        boolean newEvent = MinecraftForge.EVENT_BUS.post(new ProjectileImpactEvent.Throwable(throwable, ray));
-        return oldEvent || newEvent; // TODO: clean up when old event is removed
+        return MinecraftForge.EVENT_BUS.post(new ProjectileImpactEvent.Throwable(throwable, ray));
     }
 
     public static boolean onReplaceBiomeBlocks(IChunkGenerator gen, int x, int z, ChunkPrimer primer, World world)

src/main/java/net/minecraftforge/event/entity/living/LivingSpawnEvent.java

@@ -23,13 +23,12 @@ import javax.annotation.Nullable;
 import net.minecraft.tileentity.MobSpawnerBaseLogic;
 import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.event.ForgeEventFactory;
-import net.minecraftforge.eventbus.api.Cancelable;
 import net.minecraftforge.eventbus.api.Event;
 import net.minecraft.entity.EntityLiving;
 import net.minecraft.world.World;
 
 /**
- * LivingSpawnEvent is fired for any events associated with Living Enttnies spawn status. <br>
+ * LivingSpawnEvent is fired for any events associated with Living Entities spawn status. <br>
  * If a method utilizes this {@link Event} as its parameter, the method will
  * receive every child event of this class.<br>
  * <br>
@@ -72,7 +71,6 @@ public class LivingSpawnEvent extends LivingEvent
     @HasResult
     public static class CheckSpawn extends LivingSpawnEvent
     {
-        private final boolean isSpawner; // TODO: remove in 1.13
         @Nullable
         private final MobSpawnerBaseLogic spawner;
 
@@ -90,42 +88,12 @@ public class LivingSpawnEvent extends LivingEvent
         public CheckSpawn(EntityLiving entity, World world, float x, float y, float z, @Nullable MobSpawnerBaseLogic spawner)
         {
             super(entity, world, x, y, z);
-            this.isSpawner = spawner != null;
             this.spawner = spawner;
         }
 
-        /**
-         * @deprecated Use {@link CheckSpawn##CheckSpawn(EntityLiving, World, float, float, float, MobSpawnerBaseLogic)}
-         *   with a spawner instance, or null if not a spawner
-         * CheckSpawn is fired when an Entity is about to be spawned.
-         * @param entity the spawning entity
-         * @param world the world to spawn in
-         * @param x x coordinate
-         * @param y y coordinate
-         * @param z z coordinate
-         * @param isSpawner true if this spawn is done by a MobSpawner,
-         *                  false if it this spawn is coming from a WorldSpawner
-         */
-        @Deprecated // TODO: Remove in 1.13
-        public CheckSpawn(EntityLiving entity, World world, float x, float y, float z, boolean isSpawner)
-        {
-            super(entity, world, x, y, z);
-            this.isSpawner = isSpawner;
-            spawner = null;
-        }
-
-        /**
-         * @deprecated Use {@link CheckSpawn#CheckSpawn(EntityLiving, World, float, float, float, MobSpawnerBaseLogic)} instead
-         */
-        @Deprecated // TODO: Remove in 1.13
-        public CheckSpawn(EntityLiving entity, World world, float x, float y, float z)
-        {
-            this(entity, world, x, y, z, true);
-        }
-
         public boolean isSpawner()
         {
-            return isSpawner; // TODO: replace with spawner null check in 1.13
+            return spawner != null; // TODO: replace with spawner null check in 1.13
         }
 
         @Nullable
@@ -154,17 +122,6 @@ public class LivingSpawnEvent extends LivingEvent
         @Nullable
         private final MobSpawnerBaseLogic spawner;
 
-        /**
-         * @deprecated Use {@link SpecialSpawn#SpecialSpawn(EntityLiving, World, float, float, float, MobSpawnerBaseLogic)}
-         *   with originating spawner instance or null
-         */
-        @Deprecated // TODO: remove in 1.13
-        public SpecialSpawn(EntityLiving entity, World world, float x, float y, float z)
-        {
-            super(entity, world, x, y, z);
-            spawner = null;
-        }
-
         /**
          * @param spawner the position of a tileentity or approximate position of an entity that initiated the spawn if any
          */

src/main/java/net/minecraftforge/event/furnace/FurnaceFuelBurnTimeEvent.java

@@ -31,7 +31,7 @@ import net.minecraftforge.eventbus.api.Event;
 /**
  * {@link FurnaceFuelBurnTimeEvent} is fired when determining the fuel value for an ItemStack. <br>
  * <br>
- * To set the burn time of your own item, use {@link Item#getItemBurnTime(ItemStack)} instead.<br>
+ * To set the burn time of your own item, use {@link Item#getBurnTime(ItemStack)} instead.<br>
  * <br>
  * This event is fired from {@link ForgeEventFactory#getItemBurnTime(ItemStack)}.<br>
  * <br>
@@ -66,18 +66,19 @@ public class FurnaceFuelBurnTimeEvent extends Event
     /**
      * Set the burn time for the given ItemStack.
      * Setting it to 0 will prevent the item from being used as fuel, overriding vanilla's decision.
-     * Setting it to -1 will let vanilla decide on the fuel value, this is the default.
      */
     public void setBurnTime(int burnTime)
+    {
+        if (burnTime >= 0)
         {
             this.burnTime = burnTime;
             setCanceled(true);
         }
+    }
 
     /**
      * The resulting value of this event, the burn time for the ItemStack.
      * A value of 0 will prevent the item from being used as fuel, overriding vanilla's decision.
-     * A value of -1 will let vanilla decide on the fuel value, this is the default for {@link Item#getItemBurnTime(ItemStack)}.
      */
     public int getBurnTime()
     {

src/main/java/net/minecraftforge/event/world/BlockEvent.java

@@ -127,8 +127,8 @@ public class BlockEvent extends Event
             super(world, pos, state);
             this.player = player;
 
-            if (state == null || !ForgeHooks.canHarvestBlock(state.getBlock(), player, world, pos) || // Handle empty block or player unable to break block scenario
-                (state.getBlock().canSilkHarvest(world, pos, world.getBlockState(pos), player) && EnchantmentHelper.getEnchantmentLevel(Enchantments.SILK_TOUCH, player.getHeldItemMainhand()) > 0)) // If the block is being silk harvested, the exp dropped is 0
+            if (state == null || !ForgeHooks.canHarvestBlock(state, player, world, pos) || // Handle empty block or player unable to break block scenario
+                (state.canSilkHarvest(world, pos, player) && EnchantmentHelper.getEnchantmentLevel(Enchantments.SILK_TOUCH, player.getHeldItemMainhand()) > 0)) // If the block is being silk harvested, the exp dropped is 0
             {
                 this.exp = 0;
             }

src/main/java/net/minecraftforge/event/world/WorldEvent.java

@@ -88,7 +88,7 @@ public class WorldEvent extends Event
      * This event is fired when a world is unloaded in
      * {@link Minecraft#loadWorld(WorldClient, String)},
      * {@link MinecraftServer#stopServer()},
-     * {@link DimensionManager#unloadWorlds(Hashtable)},
+     * {@link DimensionManager#unloadWorlds()},
      * {@link ForgeInternalHandler#onDimensionUnload(Unload)}. <br>
      * <br>
      * This event is not {@link Cancelable}.<br>

src/main/java/net/minecraftforge/fluids/FluidUtil.java

@@ -27,6 +27,7 @@ import net.minecraft.block.Block;
 import net.minecraft.block.material.Material;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.BlockItemUseContext;
 import net.minecraft.item.ItemBucket;
 import net.minecraft.init.Items;
 import net.minecraft.item.ItemStack;
@@ -615,11 +616,13 @@ public class FluidUtil
             return false;
         }
 
+        BlockItemUseContext context = new BlockItemUseContext(world, player, ItemStack.EMPTY, pos, EnumFacing.UP, 0, 0, 0); //TODO: This neds proper context...
+
         // check that we can place the fluid at the destination
         IBlockState destBlockState = world.getBlockState(pos);
         Material destMaterial = destBlockState.getMaterial();
         boolean isDestNonSolid = !destMaterial.isSolid();
-        boolean isDestReplaceable = destBlockState.getBlock().isReplaceable(world, pos);
+        boolean isDestReplaceable = destBlockState.func_196953_a(context);
         if (!world.isAirBlock(pos) && !isDestNonSolid && !isDestReplaceable)
         {
             return false; // Non-air, solid, unreplacable block. We can't put fluid here.
@@ -688,7 +691,7 @@ public class FluidUtil
             IBlockState destBlockState = world.getBlockState(pos);
             Material destMaterial = destBlockState.getMaterial();
             boolean isDestNonSolid = !destMaterial.isSolid();
-            boolean isDestReplaceable = destBlockState.getBlock().isReplaceable(world, pos);
+            boolean isDestReplaceable = false; //TODO: Needs BlockItemUseContext destBlockState.getBlock().isReplaceable(world, pos);
             if ((isDestNonSolid || isDestReplaceable) && !destMaterial.isLiquid())
             {
                 world.destroyBlock(pos, true);

src/main/resources/forge_at.cfg

@@ -359,7 +359,7 @@ public net.minecraft.item.crafting.Ingredient$TagList <init>(Lnet/minecraft/tags
 public net.minecraft.client.Minecraft func_193986_ar()V # populateSearchTreeManager
 
 # Advancements
-public net.minecraft.advancements.AdvancementManager field_192783_b # GSON
+public net.minecraft.advancements.AdvancementManager func_195439_b(Lnet/minecraft/resources/IResourceManager;)Ljava/util/Map; # loadCustomAdvancements
 public net.minecraft.advancements.CriteriaTriggers func_192118_a(Lnet/minecraft/advancements/ICriterionTrigger;)Lnet/minecraft/advancements/ICriterionTrigger; # register
 
 # BiomeProvider 
@@ -367,3 +367,9 @@ public net.minecraft.world.biome.provider.BiomeProvider field_201540_a # BIOMES_
 
 # BlockTags.Wrapper 
 public net.minecraft.tags.BlockTags$Wrapper
+
+#SaveHandler
+public net.minecraft.world.storage.SaveHandler field_75771_c # playersDirectory
+
+#BlockItemUseContext
+public net.minecraft.item.BlockItemUseContext <init>(Lnet/minecraft/world/World;Lnet/minecraft/entity/player/EntityPlayer;Lnet/minecraft/item/ItemStack;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/util/EnumFacing;FFF)V