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rogueviz::objmodel:: load faces with more than 3 vertices

This commit is contained in:
Zeno Rogue 2021-04-23 21:00:49 +02:00
parent c8b26954c2
commit 44e127689d
1 changed files with 23 additions and 9 deletions
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32
rogueviz/objmodels.cpp
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@ -159,24 +159,34 @@ void model::load_obj(model_data& md) {
else if(s == "f") {
struct vertexinfo { int f, t, n; };
array<vertexinfo, 3> vis;
vector<hyperpoint> hys;
vector<hyperpoint> tot;
char bar;
for(int i=0; i<3; i++) {
vis[i].f = vis[i].t = vis[i].n = 1;
scan(fs, vis[i].f);
auto get_vi = [&] (vertexinfo& vi) {
vi.f = vi.t = vi.n = 1;
scan(fs, vi.f);
if(peek(fs) == '/') {
scan(fs, bar);
if(peek(fs) != '/') scan(fs, vis[i].t);
if(peek(fs) != '/') scan(fs, vi.t);
}
if(peek(fs) == '/') {
scan(fs, bar);
scan(fs, vis[i].n);
scan(fs, vi.n);
}
vis[i].f--; vis[i].t--; vis[i].n--;
if(vis[i].f < 0 || vis[i].f >= isize(vertices))
vi.f--; vi.t--; vi.n--;
if(vi.f < 0 || vi.f >= isize(vertices))
throw hr_exception("illegal ID");
};
get_vi(vis[0]);
get_vi(vis[1]);
next_triangle:
get_vi(vis[2]);
vector<hyperpoint> hys;
vector<hyperpoint> tot;
for(int i=0; i<3; i++) {
hys.push_back(vertices[vis[i].f]);
tot.push_back(textured ? tvertices[vis[i].t] : point3(0,0,0));
}
@ -219,6 +229,10 @@ void model::load_obj(model_data& md) {
tri(a+1, b+1);
}
}
while(among(peek(fs), ' ', '\r', '\n')) scan(fs, bar);
if(isdigit(peek(fs))) { vis[1] = vis[2]; println(hlog, "next triangle"); goto next_triangle; }
println(hlog, "last triangle");
}
else if(s == "l") {
int a, b;