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Code Issues Releases Wiki Activity

issues with racing (e.g. in band model) should be fixed

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This commit is contained in:
Zeno Rogue 2020-09-16 13:35:48 +02:00
parent e26f8f5a5b
commit f7a3a80f85
1 changed files with 26 additions and 8 deletions
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34
racing.cpp
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@ -751,6 +751,21 @@ EX bool use_standard_centering() {
return standard_centering || force_standard_centering();
}
EX transmatrix track_matrix(int at, int dir) {
transmatrix res = unshift(ggmatrix(racing::track[at]));
while(true) {
if(at+dir < 0 || at+dir >= isize(racing::track)) return res;
for(int x=0; x<MDIM; x++) for(int y=0; y<MDIM; y++)
if(abs(res[y][x]) > 10000) return res;
cell *cur = racing::track[at];
at += dir;
cell *next = racing::track[at];
int nei = neighborId(cur, next);
if(nei == -1) return res;
res = res * currentmap->adj(cur, nei);
}
}
EX bool set_view() {
multi::cpid = subscreens::in ? subscreens::current_player : 0;
@ -781,21 +796,24 @@ EX bool set_view() {
View = iso_inverse(at) * View;
}
else {
/* this works only in isotropic geometries, but we don't really care about this in 3D */
int z = get_info(who->base).completion;
int steps = euclid ? 1000 : PURE ? 10 : 20;
cell *c1 = racing::track[max(z-steps, 0)];
cell *c2 = racing::track[min(z+steps, isize(racing::track)-1)];
transmatrix T1 = ypush(-vid.yshift) * unshift(ggmatrix(c1));
transmatrix T2 = ypush(-vid.yshift) * unshift(ggmatrix(c2));
transmatrix T1 = track_matrix(z, -1);
transmatrix T2 = track_matrix(z, +1);
transmatrix iT1 = iso_inverse(T1);
transmatrix T = spintox(iT1 * T2 * C0);
hyperpoint h = T * iT1 * at * C0;
hyperpoint h = T * iT1 * ypush(vid.yshift) * at * C0;
ld y = GDIM == 2 ? asin_auto(h[1]) : asin_auto(hypot(h[1], h[2]));
ld x = asin_auto(h[0] / cos_auto(y));
x += race_advance;
if(GDIM == 3 && race_advance == 0 && pmodel == mdPerspective) race_advance = -1;
transmatrix Z = T1 * iso_inverse(T) * xpush(x);
View = iso_inverse(Z) * View;
View = xpush(-x) * T * iT1 * ypush(vid.yshift) * View;
if(GDIM == 3) View = cspin(2, 0, M_PI/2) * View;
fixmatrix(View);
}