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63bfaf545e
Every glitter brick had the same flecks in the same places: the UVs were the vertex positions projected on an axis plane, so bricks a whole tile apart (and every brick of the same shape at the same spot in its own model) looked identical. Each brick now has a number of its own (UgcGlitter::BrickSeed, from the model's id and the brick's index, kept per vertex in Mesh::brickSeeds) that turns the projection by an angle and moves it by an offset under a tile, differently for each axis plane. A model made again gets the same patterns; every LOD of a brick the same one. The icon now draws the flecks on the UVs the .nif has (Mesh::uvs read back by FromNif). New setting glitter_random (1; 0 puts the same pattern on every brick as before). Non-glitter models are byte-identical (hash tests unchanged). Check in game: reprocess a model with several glitter bricks of the same shape; the fleck patterns differ from brick to brick. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>