Crafting through the cauldron

Don´t think you can do this on MCreator yet but here´s the code that removes color from the armor.

if (i > 0 && item instanceof ItemArmor)
                {
                    ItemArmor itemarmor = (ItemArmor)item;

                    if (itemarmor.getArmorMaterial() == ItemArmor.ArmorMaterial.LEATHER && itemarmor.hasColor(itemstack) && !worldIn.isRemote)
                    {
                        itemarmor.removeColor(itemstack);
                        this.setWaterLevel(worldIn, pos, state, i - 1);
                        playerIn.addStat(StatList.ARMOR_CLEANED);
                        return true;
                    }
                }

Yep, not doable without custom code. Cauldrons use a "level" block state which determines how much water is inside it (a number between 0 and 3). However, MCreator doesn't really support block states (yet), so you can't use procedure blocks alone. What you'd need to do is:

1. Check if the block you right clicked is a cauldron
2. If so, check that the "level" is greater than 0
3. Change the item and reduce the cauldron "level" by 1

It should be doable with procedures ("On item right-click on block") if you use custom code blocks. Tomorrow I'll try to see how it can be implemented. A sample code could be:

// Make sure to check that the block at x, y, z is a cauldron first!!

/*
 * Declare a "IBlockState" variable: the block at x, y, z with its block state
 * We know it's a cauldron because we checked for it beforehand
 */
IBlockState blockState = world.getBlockState(new BlockPos(x, y, z));

// This variable "stores" the water level of the cauldron
int waterLevel = blockState.getValue(BlockCauldron.LEVEL);

// Check if the water level of the cauldron is greater than 0
if (blockState.getValue(BlockCauldron.LEVEL) > 0)
{
    // Procedure stuff to change the item

    // Place a cauldron at x, y, z, but with less water
    world.setBlockState(new BlockPos(x, y, z), Blocks.CAULDRON.getDefaultState().withProperty(LEVEL, waterLevel - 1); 
}

(keep in mind I can't test or recompile this right now, so it might not work!)

 (small mistake on my side, but it shouldn't affect the code at all). You can replace the line

if (blockState.getValue(BlockCauldron.LEVEL) > 0)

with this one, which is shorter and cleaner:

if (waterLevel > 0)

There is this tutorial from SomeoneElse :

https://mcreator.net/forum/54347/tutorial-how-use-cauldrons-procedures

Thanks for linking the tutorial! I made it specifically to answer this post, but forgot to link it here