Add RecipesUpdatedEvent, fired when recipes are downloaded from the server. (#5303)

patches/minecraft/net/minecraft/client/network/NetHandlerPlayClient.java.patch

@@ -42,7 +42,15 @@
           }
  
           if (flag && this.field_147299_f.field_71462_r instanceof GuiCommandBlock) {
-@@ -1272,7 +1280,7 @@
+@@ -1182,6 +1190,7 @@
+       recipebookclient.func_199644_c();
+       recipebookclient.func_199642_d().forEach(searchtree::func_194043_a);
+       searchtree.func_194040_a();
++      net.minecraftforge.client.ForgeHooksClient.onRecipesUpdated();
+    }
+ 
+    public void func_200232_a(SPacketPlayerLook p_200232_1_) {
+@@ -1272,7 +1281,7 @@
        PacketThreadUtil.func_180031_a(p_147260_1_, this, this.field_147299_f);
        Entity entity = this.field_147300_g.func_73045_a(p_147260_1_.func_149426_d());
        if (entity instanceof EntityLivingBase) {
@@ -51,7 +59,7 @@
           if (potion != null) {
              PotionEffect potioneffect = new PotionEffect(potion, 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());
              potioneffect.func_100012_b(p_147260_1_.func_149429_c());
-@@ -1598,10 +1606,12 @@
+@@ -1598,10 +1607,12 @@
              ((DebugRendererWorldGenAttempts)this.field_147299_f.field_184132_p.field_201750_j).func_201734_a(packetbuffer.func_179259_c(), packetbuffer.readFloat(), packetbuffer.readFloat(), packetbuffer.readFloat(), packetbuffer.readFloat(), packetbuffer.readFloat());
              field_147301_d.warn("Unknown custom packed identifier: {}", (Object)resourcelocation);
           } else {

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

@@ -38,6 +38,7 @@ import javax.vecmath.Vector3f;
 import javax.vecmath.Vector4f;
 
 import net.minecraft.client.MouseHelper;
+import net.minecraftforge.client.event.RecipesUpdatedEvent;
 import org.apache.commons.lang3.tuple.Pair;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
@@ -810,4 +811,10 @@ public class ForgeHooksClient
         Event event = new GuiScreenEvent.KeyboardCharTypedEvent.Post(guiScreen, codePoint, modifiers);
         return MinecraftForge.EVENT_BUS.post(event);
     }
+
+    public static void onRecipesUpdated()
+    {
+        Event event = new RecipesUpdatedEvent();
+        MinecraftForge.EVENT_BUS.post(event);
+    }
 }

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

@@ -0,0 +1,34 @@
+/*
+ * 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.client.event;
+
+import net.minecraft.item.crafting.RecipeManager;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.eventbus.api.Event;
+
+/**
+ * Fired on {@link Dist#CLIENT} when {@link RecipeManager} has all of its recipes synced from the server to the client (just after a client has connected),
+ */
+public class RecipesUpdatedEvent extends Event
+{
+    public RecipesUpdatedEvent()
+    {
+    }
+}