Made it so that the info book spawns when the player crafts an Actually Additions Item for the first time

src/main/java/ellpeck/actuallyadditions/event/CraftEvent.java

@@ -14,6 +14,12 @@ import cpw.mods.fml.common.eventhandler.SubscribeEvent;
 import cpw.mods.fml.common.gameevent.PlayerEvent;
 import ellpeck.actuallyadditions.achievement.InitAchievements;
 import ellpeck.actuallyadditions.achievement.TheAchievements;
+import ellpeck.actuallyadditions.items.InitItems;
+import ellpeck.actuallyadditions.network.PacketGiveBook;
+import ellpeck.actuallyadditions.network.PacketHandler;
+import ellpeck.actuallyadditions.util.INameableItem;
+import ellpeck.actuallyadditions.util.PersistantVariables;
+import net.minecraft.block.Block;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
 
@@ -22,6 +28,13 @@ public class CraftEvent{
     @SubscribeEvent
     public void onCraftedEvent(PlayerEvent.ItemCraftedEvent event){
         checkAchievements(event.crafting, event.player, InitAchievements.CRAFTING_ACH);
+
+        if(event.player.worldObj.isRemote && event.crafting.getItem() != InitItems.itemLexicon && (event.crafting.getItem() instanceof INameableItem || Block.getBlockFromItem(event.crafting.getItem()) instanceof INameableItem)){
+            if(!PersistantVariables.getBoolean("BookGotten")){
+                PacketHandler.theNetwork.sendToServer(new PacketGiveBook(event.player));
+                PersistantVariables.setBoolean("BookGotten", true);
+            }
+        }
     }
 
     public static void checkAchievements(ItemStack gotten, EntityPlayer player, int type){

src/main/java/ellpeck/actuallyadditions/network/PacketGiveBook.java

@@ -0,0 +1,60 @@
+/*
+ * This file ("PacketGiveBook.java") is part of the Actually Additions Mod for Minecraft.
+ * It is created and owned by Ellpeck and distributed
+ * under the Actually Additions License to be found at
+ * http://github.com/Ellpeck/ActuallyAdditions/blob/master/README.md
+ * View the source code at https://github.com/Ellpeck/ActuallyAdditions
+ *
+ * © 2015 Ellpeck
+ */
+
+package ellpeck.actuallyadditions.network;
+
+import cpw.mods.fml.common.network.simpleimpl.IMessage;
+import cpw.mods.fml.common.network.simpleimpl.IMessageHandler;
+import cpw.mods.fml.common.network.simpleimpl.MessageContext;
+import ellpeck.actuallyadditions.items.InitItems;
+import io.netty.buffer.ByteBuf;
+import net.minecraft.entity.item.EntityItem;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.ItemStack;
+import net.minecraft.world.World;
+import net.minecraftforge.common.DimensionManager;
+
+public class PacketGiveBook implements IMessage{
+
+    @SuppressWarnings("unused")
+    public PacketGiveBook(){
+
+    }
+
+    private EntityPlayer player;
+
+    public PacketGiveBook(EntityPlayer player){
+        this.player = player;
+    }
+
+    @Override
+    public void fromBytes(ByteBuf buf){
+        World world = DimensionManager.getWorld(buf.readInt());
+        this.player = (EntityPlayer)world.getEntityByID(buf.readInt());
+    }
+
+    @Override
+    public void toBytes(ByteBuf buf){
+        buf.writeInt(this.player.worldObj.provider.dimensionId);
+        buf.writeInt(this.player.getEntityId());
+    }
+
+    public static class Handler implements IMessageHandler<PacketGiveBook, IMessage>{
+
+        @Override
+        public IMessage onMessage(PacketGiveBook message, MessageContext ctx){
+            EntityItem entityItem = new EntityItem(message.player.worldObj, message.player.posX, message.player.posY, message.player.posZ, new ItemStack(InitItems.itemLexicon));
+            entityItem.delayBeforeCanPickup = 0;
+            message.player.worldObj.spawnEntityInWorld(entityItem);
+
+            return null;
+        }
+    }
+}

src/main/java/ellpeck/actuallyadditions/network/PacketHandler.java

@@ -30,5 +30,6 @@ public class PacketHandler{
         theNetwork.registerMessage(PacketSyncerToClient.Handler.class, PacketSyncerToClient.class, 1, Side.CLIENT);
         theNetwork.registerMessage(PacketGuiNumber.Handler.class, PacketGuiNumber.class, 2, Side.SERVER);
         theNetwork.registerMessage(PacketGuiString.Handler.class, PacketGuiString.class, 3, Side.SERVER);
+        theNetwork.registerMessage(PacketGiveBook.Handler.class, PacketGiveBook.class, 4, Side.SERVER);
     }
 }