Fix cheating in items with capabilities

gradle.properties

@@ -5,4 +5,4 @@ curse_project_id=238222
 
 version_major=3
 version_minor=6
-version_patch=4
+version_patch=5

src/main/java/mezz/jei/network/packets/PacketGiveItemStack.java

@@ -14,6 +14,7 @@
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.init.SoundEvents;
 import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.network.PacketBuffer;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.util.SoundCategory;
@@ -39,7 +40,7 @@ public IPacketId getPacketId() {
 
 	@Override
 	public void writePacketData(PacketBuffer buf) throws IOException {
-		buf.writeItemStackToBuffer(itemStack);
+		buf.writeNBTTagCompoundToBuffer(itemStack.serializeNBT());
 	}
 
 	@Override
@@ -52,8 +53,13 @@ public void readPacketData(PacketBuffer buf, EntityPlayer player) throws IOExcep
 			Map<String, ICommand> commands = commandManager.getCommands();
 			ICommand giveCommand = commands.get("give");
 			if (giveCommand != null && giveCommand.checkPermission(minecraftServer, sender)) {
-				ItemStack itemStack = buf.readItemStackFromBuffer();
-				executeGive(sender, itemStack);
+				NBTTagCompound itemStackSerialized = buf.readNBTTagCompoundFromBuffer();
+				if (itemStackSerialized != null) {
+					ItemStack itemStack = ItemStack.loadItemStackFromNBT(itemStackSerialized);
+					if (itemStack != null) {
+						executeGive(sender, itemStack);
+					}
+				}
 			} else {
 				TextComponentTranslation textcomponenttranslation1 = new TextComponentTranslation("commands.generic.permission");
 				textcomponenttranslation1.getStyle().setColor(TextFormatting.RED);