Update furnace fuels to not recreate it's list every query, and update when tags are reloaded. Add Tag update events. (#6140)

patches/minecraft/net/minecraft/client/network/play/ClientPlayNetHandler.java.patch

@@ -64,7 +64,7 @@
        clientrecipebook.func_199644_c();
        clientrecipebook.func_199642_d().forEach(imutablesearchtree::func_217872_a);
        imutablesearchtree.func_194040_a();
-+      net.minecraftforge.client.ForgeHooksClient.onRecipesUpdated();
++      net.minecraftforge.client.ForgeHooksClient.onRecipesUpdated(this.field_199528_o);
     }
  
     public void func_200232_a(SPlayerLookPacket p_200232_1_) {
@@ -77,7 +77,15 @@
           if (effect != null) {
              EffectInstance effectinstance = new EffectInstance(effect, p_147260_1_.func_180755_e(), p_147260_1_.func_149428_f(), p_147260_1_.func_186984_g(), p_147260_1_.func_179707_f(), p_147260_1_.func_205527_h());
              effectinstance.func_100012_b(p_147260_1_.func_149429_c());
-@@ -1766,10 +1779,12 @@
+@@ -1353,6 +1366,7 @@
+       }
+ 
+       this.field_147299_f.func_213253_a(SearchTreeManager.field_215360_b).func_194040_a();
++      net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.event.TagsUpdatedEvent(this.field_199725_m));
+    }
+ 
+    public void func_175098_a(SCombatPacket p_175098_1_) {
+@@ -1766,10 +1780,12 @@
  
              this.field_147299_f.field_184132_p.field_217741_m.func_217692_a(pointofinterestdebugrenderer$braininfo);
           } else {
@@ -91,7 +99,7 @@
              packetbuffer.release();
           }
  
-@@ -1909,7 +1924,7 @@
+@@ -1909,7 +1925,7 @@
              for(SEntityPropertiesPacket.Snapshot sentitypropertiespacket$snapshot : p_147290_1_.func_149441_d()) {
                 IAttributeInstance iattributeinstance = abstractattributemap.func_111152_a(sentitypropertiespacket$snapshot.func_151409_a());
                 if (iattributeinstance == null) {

patches/minecraft/net/minecraft/tags/NetworkTagManager.java.patch

@@ -0,0 +1,10 @@
+--- a/net/minecraft/tags/NetworkTagManager.java
++++ b/net/minecraft/tags/NetworkTagManager.java
+@@ -69,6 +69,7 @@
+          ItemTags.func_199902_a(this.field_199720_b);
+          FluidTags.func_206953_a(this.field_205705_c);
+          EntityTypeTags.func_219759_a(this.field_215299_d);
++         net.minecraftforge.fml.DeferredWorkQueue.runLater(() -> net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.event.TagsUpdatedEvent(this)));
+       }, p_215226_6_);
+    }
+ 

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

@@ -1,6 +1,14 @@
 --- a/net/minecraft/tileentity/AbstractFurnaceTileEntity.java
 +++ b/net/minecraft/tileentity/AbstractFurnaceTileEntity.java
-@@ -169,9 +169,9 @@
+@@ -85,6 +85,7 @@
+       this.field_214014_c = p_i49964_2_;
+    }
+ 
++   @Deprecated //Forge - get burn times by calling ForgeHooks#getBurnTime(ItemStack)
+    public static Map<Item, Integer> func_214001_f() {
+       Map<Item, Integer> map = Maps.newLinkedHashMap();
+       func_213996_a(map, Items.field_151129_at, 20000);
+@@ -169,9 +170,9 @@
        super.func_145839_a(p_145839_1_);
        this.field_214012_a = NonNullList.func_191197_a(this.func_70302_i_(), ItemStack.field_190927_a);
        ItemStackHelper.func_191283_b(p_145839_1_, this.field_214012_a);
@@ -13,7 +21,7 @@
        this.field_214019_k = this.func_213997_a(this.field_214012_a.get(1));
        int i = p_145839_1_.func_74765_d("RecipesUsedSize");
  
-@@ -185,9 +185,9 @@
+@@ -185,9 +186,9 @@
  
     public CompoundNBT func_189515_b(CompoundNBT p_189515_1_) {
        super.func_189515_b(p_189515_1_);
@@ -26,7 +34,7 @@
        ItemStackHelper.func_191282_a(p_189515_1_, this.field_214012_a);
        p_189515_1_.func_74777_a("RecipesUsedSize", (short)this.field_214022_n.size());
        int i = 0;
-@@ -217,12 +217,14 @@
+@@ -217,12 +218,14 @@
                 this.field_214019_k = this.field_214018_j;
                 if (this.func_214006_r()) {
                    flag1 = true;
@@ -43,7 +51,7 @@
                       }
                    }
                 }
-@@ -266,10 +268,10 @@
+@@ -266,10 +269,10 @@
                 return true;
              } else if (!itemstack1.func_77969_a(itemstack)) {
                 return false;
@@ -56,7 +64,7 @@
              }
           }
        } else {
-@@ -285,7 +287,7 @@
+@@ -285,7 +288,7 @@
           if (itemstack2.func_190926_b()) {
              this.field_214012_a.set(2, itemstack1.func_77946_l());
           } else if (itemstack2.func_77973_b() == itemstack1.func_77973_b()) {
@@ -65,27 +73,25 @@
           }
  
           if (!this.field_145850_b.field_72995_K) {
-@@ -305,7 +307,8 @@
+@@ -305,7 +308,7 @@
           return 0;
        } else {
           Item item = p_213997_1_.func_77973_b();
 -         return func_214001_f().getOrDefault(item, 0);
-+         int ret = p_213997_1_.getBurnTime();
-+         return net.minecraftforge.event.ForgeEventFactory.getItemBurnTime(p_213997_1_, ret == -1 ? func_214001_f().getOrDefault(item, 0) : ret);
++         return net.minecraftforge.common.ForgeHooks.getBurnTime(p_213997_1_);
        }
     }
  
-@@ -314,7 +317,8 @@
+@@ -314,7 +317,7 @@
     }
  
     public static boolean func_213991_b(ItemStack p_213991_0_) {
 -      return func_214001_f().containsKey(p_213991_0_.func_77973_b());
-+      int ret = p_213991_0_.getBurnTime();
-+      return net.minecraftforge.event.ForgeEventFactory.getItemBurnTime(p_213991_0_, ret == -1 ? func_214001_f().getOrDefault(p_213991_0_.func_77973_b(), 0) : ret) > 0;
++      return net.minecraftforge.common.ForgeHooks.getBurnTime(p_213991_0_) > 0;
     }
  
     public int[] func_180463_a(Direction p_180463_1_) {
-@@ -462,4 +466,27 @@
+@@ -462,4 +465,27 @@
        }
  
     }

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

@@ -64,6 +64,7 @@ import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.fluid.IFluidState;
 import net.minecraft.inventory.EquipmentSlotType;
 import net.minecraft.item.ItemStack;
+import net.minecraft.item.crafting.RecipeManager;
 import net.minecraft.util.BlockRenderLayer;
 import net.minecraft.util.Direction;
 import net.minecraft.util.Hand;
@@ -997,9 +998,9 @@ public class ForgeHooksClient
         return MinecraftForge.EVENT_BUS.post(event);
     }
 
-    public static void onRecipesUpdated()
+    public static void onRecipesUpdated(RecipeManager mgr)
     {
-        Event event = new RecipesUpdatedEvent();
+        Event event = new RecipesUpdatedEvent(mgr);
         MinecraftForge.EVENT_BUS.post(event);
     }
 

src/main/java/net/minecraftforge/client/event/RecipesUpdatedEvent.java

@@ -28,7 +28,19 @@ import net.minecraftforge.eventbus.api.Event;
  */
 public class RecipesUpdatedEvent extends Event
 {
-    public RecipesUpdatedEvent()
+    
+    private final RecipeManager mgr;
+    
+    public RecipesUpdatedEvent(RecipeManager mgr)
     {
+        this.mgr = mgr;
+    }
+
+    /**
+     * @return The newly-updated recipe manager that now contains all the recipes that were just received.
+     */
+    public RecipeManager getRecipeManager()
+    {
+        return mgr;
     }
 }

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

@@ -25,6 +25,7 @@ import java.net.URISyntaxException;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Deque;
+import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
@@ -85,6 +86,7 @@ import net.minecraft.potion.PotionUtils;
 import net.minecraft.stats.Stats;
 import net.minecraft.tags.Tag;
 import net.minecraft.world.spawner.AbstractSpawner;
+import net.minecraft.tileentity.FurnaceTileEntity;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.DamageSource;
 import net.minecraft.util.ActionResultType;
@@ -145,6 +147,8 @@ import net.minecraftforge.registries.DataSerializerEntry;
 import net.minecraftforge.registries.ForgeRegistries;
 import net.minecraftforge.registries.ForgeRegistry;
 import net.minecraftforge.registries.GameData;
+import net.minecraftforge.registries.IRegistryDelegate;
+
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.Marker;
@@ -1178,4 +1182,30 @@ public class ForgeHooks
         BlockState state = world.getBlockState(pos);
         return ForgeEventFactory.getMobGriefingEvent(world, entity) && state.canEntityDestroy(world, pos, entity) && ForgeEventFactory.onEntityDestroyBlock(entity, pos, state);
     }
+
+    private static final Map<IRegistryDelegate<Item>, Integer> VANILLA_BURNS = new HashMap<>();
+
+    /**
+     * Gets the burn time of this itemstack.
+     */
+    public static int getBurnTime(ItemStack stack)
+    {
+        if (stack.isEmpty())
+        {
+            return 0;
+        }
+        else
+        {
+            Item item = stack.getItem();
+            int ret = stack.getBurnTime();
+            return ForgeEventFactory.getItemBurnTime(stack, ret == -1 ? VANILLA_BURNS.getOrDefault(item.delegate, 0) : ret);
+        }
+    }
+
+    public static synchronized void updateBurns()
+    {
+        VANILLA_BURNS.clear();
+        FurnaceTileEntity.getBurnTimes().entrySet().forEach(e -> VANILLA_BURNS.put(e.getKey().delegate, e.getValue()));
+    }
+
 }

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

@@ -33,6 +33,7 @@ import net.minecraftforge.event.world.ChunkEvent;
 import net.minecraftforge.event.world.WorldEvent;
 import net.minecraftforge.eventbus.api.EventPriority;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.event.TagsUpdatedEvent;
 import net.minecraftforge.event.TickEvent;
 import net.minecraftforge.event.TickEvent.ClientTickEvent;
 import net.minecraftforge.event.TickEvent.Phase;
@@ -101,5 +102,11 @@ public class ForgeInternalHandler
     {
         UsernameCache.setUsername(event.getPlayer().getUniqueID(), event.getPlayer().getGameProfile().getName());
     }
+
+    @SubscribeEvent
+    public void tagsUpdated(TagsUpdatedEvent event)
+    {
+        ForgeHooks.updateBurns();
+    }
 }
 

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

@@ -0,0 +1,46 @@
+/*
+ * Minecraft Forge
+ * Copyright (c) 2016-2019.
+ *
+ * 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.tags.NetworkTagManager;
+import net.minecraftforge.eventbus.api.Event;
+
+/**
+ * Fired on the client when {@link NetworkTagManager} has all of its tags synced from the server to the client (just after a client has connected).
+ * Fired on the server when {@link NetworkTagManager} has read all tags from disk (during a data reload).
+ */
+public class TagsUpdatedEvent extends Event
+{
+    
+    private final NetworkTagManager manager;
+    
+    public TagsUpdatedEvent(NetworkTagManager manager)
+    {
+        this.manager = manager;
+    }
+
+    /**
+     * @return The network tag manager that has been updated with newly received tags.
+     */
+    public NetworkTagManager getTagManager()
+    {
+        return manager;
+    }
+}