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Palette

The engine is built around a palette of 256 colors. Custom palettes are supported. The images should have a 1x256 pixel dimension.

You can import palettes from a lot of different image, palette or voxel volume formats (if supported).

Each color entry can get material properties.

The palette can usually be specified by the cvar palette and can either be a full path to a png file or an identifier. If you decide to use the identifier - e.g. nippon the palette cvar is set to this value and the engine will automatically search all registered file system paths for a file named palette-nippon.png.

There are several built-in palettes available that can also be used as an identifier.

  • built-in:commandandconquer
  • built-in:magicavoxel
  • built-in:minecraft
  • built-in:nippon
  • built-in:quake1
  • built-in:starmade

You can also download and import palettes from Lospec by specifying a palette like this:

  • lospec:paletteid

This would try to download a palette with the id paletteid from lospec.com in the Gimp (gpl) format and automatically imports it.

There are several color or palette related cvars available:

  • voxformat_createpalette: Allows you to disable the palette creation and use the palette specified via palette cvar
  • core_colorreduction: Allows you to specify a color reduction value when e.g. importing RGB(A) based voxel or mesh formats. Possible values are: Octree, Wu, MedianCut, KMeans, NeuQuant.

You can find the detailed description and more cvars by using e.g. the voxconvert --help parameter

Normals

Command & Conquer supports voxel normals. vengi-voxedit got a few features to support this. Change the view mode to Command & Conquer to see a normal palette panel and to be able to render the normals for the voxels.