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[1.7.2] Block.getBlockFromName()


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How does this function work? I'm trying to use it to get a block via an unlocalized name I'm getting from the nbt data of an item. Currently, however, it doesn't really do anything :/


public void addInformation(ItemStack itemstack, EntityPlayer player, List list, boolean par4)
	itemstack.stackTagCompound = new NBTTagCompound();
	itemstack.stackTagCompound.setString("Block", Blocks.stone.getUnlocalizedName());

	list.add("Magic Wand");

public ItemStack onItemRightClick(ItemStack par1ItemStack, World par2World, EntityPlayer par3EntityPlayer)

		int minWX = (int)par3EntityPlayer.posX & ~0x0f;  // throws away the bottom four bits, i.e. truncates to the next lowest multiple of 16, eg 32, 16, 0, -16, -32 etc
		int minWZ = (int)par3EntityPlayer.posZ & ~0x0f;
		int maxWX = minWX + 15;
		int maxWZ = minWZ + 15;

		Reference.fillChunk(minWX, minWZ, maxWX, maxWZ, par2World, par3EntityPlayer, Recipes.Stick2);
	return par1ItemStack;

public boolean onItemUse(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int x, int y, int z, int side, float hitX, float hitY, float hitZ){
	if (Keyboard.isKeyDown(Keyboard.KEY_RSHIFT) || Keyboard.isKeyDown(Keyboard.KEY_LSHIFT))
		if (!par3World.isRemote)
			par1ItemStack.stackTagCompound.setString("Block", par3World.getBlock(x, y, z).getUnlocalizedName());
			return true;
		return false;


Then this is the fillChunk function:


public static void fillChunk(int minWX, int minWZ, int maxWX, int maxWZ, World par1World, EntityPlayer Player, ItemStack par1ItemStack){
        for (int wx = minWX; wx <= maxWX; ++wx) {
            for (int wz = minWZ; wz <= maxWZ; ++wz) {
               // setblock (wx, playerYpos - 1, wz)
            	par1World.setBlock(wx, (int)Player.posY -1, wz, Block.getBlockFromName(par1ItemStack.stackTagCompound.getString("Block").substring(5)));

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Use Block.blockRegistry.getNameForObject() to get the name from a Block and Block.blockRegistry.getObject(name) to get a Block from a name.

Then: Why do you modify the ItemStack inside addInformation? This method is called every frame on the CLIENT. That is not the right place to modify data.

Also: You should get the Block object before the loop, don't look it up again and again and again.


If I modify the NBT data inside the onCreated method, the game freezes since there is no data for the tooltip :/ So I don't know where else to put it .-.

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