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pretty polygon fanning from vbsp code

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Quaternions 2024-03-18 20:51:52 -07:00
parent f2a7b44884
commit 62b5ba2b33
1 changed files with 20 additions and 16 deletions
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36
src/graphics.rs
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@ -419,22 +419,26 @@ impl GraphicsState{
//this mut be combined in a more complex way if the models use different render patterns per group
let mut indices=Vec::new();
for poly in model.polys.polys(){
for end_index in 2..poly.len(){
for index in [0,end_index-1,end_index]{
let vertex_index=poly[index];
indices.push(*index_from_vertex.entry(vertex_index).or_insert_with(||{
let i=vertices.len();
let vertex=&model.unique_vertices[vertex_index.get() as usize];
vertices.push(GraphicsVertex{
pos:model.unique_pos[vertex.pos.get() as usize],
tex:model.unique_tex[vertex.tex.get() as usize],
normal:model.unique_normal[vertex.normal.get() as usize],
color:model.unique_color[vertex.color.get() as usize],
});
i
}));
}
}
let mut poly_vertices=poly.iter()
.map(|&vertex_index|*index_from_vertex.entry(vertex_index).or_insert_with(||{
let i=vertices.len();
let vertex=&model.unique_vertices[vertex_index.get() as usize];
vertices.push(GraphicsVertex{
pos:model.unique_pos[vertex.pos.get() as usize],
tex:model.unique_tex[vertex.tex.get() as usize],
normal:model.unique_normal[vertex.normal.get() as usize],
color:model.unique_color[vertex.color.get() as usize],
});
i
}));
let a=poly_vertices.next().unwrap();
let mut b=poly_vertices.next().unwrap();
poly_vertices.for_each(|c|{
indices.extend([a,b,c]);
b=c;
});
}
GraphicsMeshOwnedRenderConfig{
instances:model.instances,