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Commit Graph

9 Commits (39fa8bcb147918e5f306398481c28d6c3939a51e)

Author	SHA1	Message	Date
Nico de Poel	39fa8bcb14	Apply uv offsets only on non-repeating textures, to avoid overflow errors on textures near the texture page edges. Fixes wonky textures on maps like E1M1 and E1M8.	3 years ago
Nico de Poel	552678f67c	Reduced amount of geometry artifacting from T-junctions by rounding repeating UVs down to a grid that will be shared by adjacent faces using the same textures. Sacrifices some performance again, but makes both geometry and lighting look a lot more solid.	3 years ago
Nico de Poel	68eb9c10c8	Tessellate faces into bigger chunks when texture repeating is an option. This is kept conservative at just 2x2 cell sizes, because bigger polygons with more repeats will cause more texture warping and geometry glitching. This is already the biggest gain.	3 years ago
Nico de Poel	0a077b426c	Reworked lightmap sampling using a lightmap space transform and correctly rounding values, using the Quake source for reference. Finally fixes a bunch of lingering lighting artifacts.	3 years ago
Nico de Poel	c6a8abbb7b	Made the texture space transform available outside of Tessellator and used it to generate some more Face bounds data for later use.	3 years ago
Nico de Poel	c91e8e6167	Added bounding spheres to node data, used for frustum culling	3 years ago
Nico de Poel	ef9adf8de0	Introduced some matrix math to properly construct a texture space transform, that we can also invert to create a transform back to world space. Finally our tesselated polygons are working perfectly!	3 years ago
Nico de Poel	fc281251ea	Overhaul of geometry conversion: - Faces are now tessellated into one or more polygons, based on UV coordinates and texture tiling - Polygons have their own vertex index list and light/UV values per vertex - Lighting is sampled per polygon vertex, allowing for more light samples in general and more refined lighting - There are still problems with reconstruction of vertices for sloped surfaces, but this is enough of a result for a checkpoint commit	3 years ago
Nico de Poel	4f99baea65	Encapsulated GPC-based tesselation into a Tesselator class, which now also produces normalized UVs per vertex-texture pair and a list of Polygon structs with texture and vertex index data.	3 years ago