Material Overrides

A lot of geometry use submaterials and texture overrides.

1. Texture override — lets you use the same material, but with another texture.
2. Submaterial override — lets you choose a non-default submaterial from the td file.

When not specified in any way, following is used:

1. Material name — the Blender material name (excluding the _matN postfix).
2. Texture name — the material name.
3. Submaterial — default or empty.

To override texture name or submaterial, add a string custom property to the material:

1. submaterial — to override submaterial.
2. texture — to override texture.

Make sure a mesh does not have the materials custom property, as it completely overrides material definition by priority.

Materials mat_test_mat0, mat_test_mat1, and mat_test_mat2 use the mat_test.td material. The _matN postfix is discarded and is used only to differentiate submaterials.

When compiling a GLTF file from the example_07 folder, use the --experimental option:

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