Facing Relative Vector Offset

[erenkarakal]

Problem

There isn't a shorthand way to offset a location while considering rotation.

Solution

Adds a new pattern to the existing offset syntax. This can be compared to ^^^ in vanilla commands (like /summon tnt ^1 ^2 ^3)

before:

set {_v} to vector from yaw player's yaw, pitch player's pitch
set vector length of {_v} to 3
spawn tnt at player ~~ {_v}

with this PR:

set {_l} to player's location offset by vector(0, 0, 3) using local axes
spawn tnt at {_l}

and this isn't even showing the work you would've done to achieve an X or Y offset at the same time

I was going to update the syntax description but not sure how I should explain this

Testing Completed

Only manual testing was done, comparing the syntax to the vanilla Minecraft command

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Completes: none
Related: none

[Absolutionism]

Test perchance?

[sovdeeth]

still needs tests

[sovdeeth]

it'd make the code a bit nicer and standard if this returned a vector instead of a location, so the .add is done in the same spot as the normal add.