as requested, just so it doesn't get forgotten

Features:

• Allow for procedurally constructed main tank out of multiple segments
• Allow toggling between smooth and sharp shading between segments

Requirements:

• GUI for manipulating segments; add, remove, resize
  • Minimum of 2 arcs; top + bottom
  • Can add, remove, re-order, and re-size arcs
  • Top and bottom adapter/mount size set by top/bottom arc diameters
    • OR top and bottom ring diameters set statically to the 'main tank diameter' from the main gui control
    • with all other arcs being set to a size relative to the top/bottom
      • this also simplifies the GUI as it can all be normalized to a 1-unit size, and scaled based on current 'tank diameter'. This keeps the end caps at the same scale/size, while allowing for nearly any tank geometry (as long as the top and bottom are the same diameter).
  • Ability to set smooth shading for vertical segments (to allow for procedural domes/nosecones)
    • Will require adjusting the procedural mesh-generation to calculate normals for each edge loop based on the average normal of its face and the face of the vertically adjacent quad.
• UV mapping; single vertical pass for entire tank side

Implementation

• Would like to re-use most of the existing MFT code, with overrides for sections dealing with the central model.
  • Will require conversion/adaptation of SingleModelData to allow for a procedural model
    • This may be the most invasive part of the change, but should be doable
  • Will need some changes to the GUI interaction for the base module, as well as some of the model-setup code.
  • Need a method to save/persist the procedural model data, including ring height, radius, uv, and smoothing data.

TODO:

• Add smoothed-normals option to procedural mesh generation
• First-pass generic implementation of a procedural model-building UI
  • going to need a -ton- of UI interaction in order to set this up properly
  • how to render/represent the layout of the tank in a user-understandable format, while allowing for selection of the various rings and options?