[Split Shulkers] [Suggestion] Allow coloring shulker boxes with two colors at once using recipes with two dyes

[fabien-gigante]

Issue Summary

Allow coloring shulker boxes with two colors at once using recipes with two dyes

Detailed information

The current behavior requires two operations to color a shulker box with two dyes :

1. Apply a first color dye to the lid
2. Apply a second color dyeto the base

The current behavior requires two operations to color both sides with the same color :

1. Apply a color dye to the lid
2. Apply the same color dye to the base
   This consumes two dyes in the process (vs. one dye in vanilla), and somehow breaking compatibility (making it harder than vanilla).

Proposals

You might want to consider the following enhancements :

1. When a shulker box and two dyes are present in a recipe, use the first dye to color the lid, and the second dye to color the base
2. (Optional, maybe as a mod configuration) When a shulker box and a single dye are present in a recipe, stick to vanilla behavior (ie. color both sides using a single dye).

Inpiration

Some time back, I start developing a similar mod. However I don't maintain it, and yours is globally better anyway. 😀
However, I used the following method to solve this issue, which you mind find usefull.