In my minecraft world (in 1.13), I need to /setblock blue stained glass, which I believe has the ID 3. (FYI, I use the tilde symbol (~) in place of the coordinates because they are not really very important regarding my question.)
In 1.12, I was able to use:
/setblock ~ ~ ~ minecraft:stained_glass 3.
In 1.13, I tried:
/setblock ~ ~ ~ minecraft:glass 3, but it didn’t seem to work.
How will I be able to do this?
blue_stained_glass now has its own ID, like so:
/setblock ~ ~ ~ blue_stained_glass
In 1.13, item damage values are only used for actual damage (like on tools/armor), so you'll also notice changes like bonemeal rather than dye 15, or charcoal rather than coal 1.
Then, block IDs correspond to item IDs, and blockstates (numeric block metadata no longer exists) are only used for properties like rotation/powered/open that a block placed by that item can have.
/setblock ~ ~ ~ dispenser[facing=up]
dispenser[facing=up] - blockstates are specified like that (square brackets, after bock name) in 1.13, and numeric metadata no longer exists.
[facing=up]) now, numeric metadata no longer exists for any blocks as of 1.13.
