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Code Issues Releases Wiki Activity

ray:: protect_prod applied

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This commit is contained in:
Zeno Rogue 2021-09-16 20:53:05 +02:00
parent 35fda985f1
commit 30f964e6e3
1 changed files with 12 additions and 6 deletions

18
raycaster.cpp

@ -1607,6 +1607,12 @@ transmatrix mirrorize(transmatrix T) {
return rspintox(h) * xpush(d/2) * MirrorX * xpush(-d/2) * spintox(h);
}
transmatrix protect_prod(transmatrix T) {
if(MDIM == 3)
for(int i=0; i<4; i++) T[i][3] = T[3][i] = i == 3;
return T;
}
struct raycast_map {
int saved_frameid;
@ -1643,7 +1649,7 @@ struct raycast_map {
cell *c = p.second;
if(!c) continue;
for(int j=0; j<c->type; j++)
ms[id+j] = currentmap->ray_iadj(c, j);
ms[id+j] = protect_prod(currentmap->ray_iadj(c, j));
if(WDIM == 2) for(int a: {0, 1}) {
ms[id+c->type+a] = get_ms(c, a, false);
}
@ -1662,7 +1668,7 @@ struct raycast_map {
cell *c = p.second;
if(!c) continue;
for(int j=0; j<c->type; j++)
ms[mirror_shift+id+j] = mirrorize(ms[id+j]);
ms[mirror_shift+id+j] = protect_prod(mirrorize(ms[id+j]));
if(WDIM == 2) for(int a: {0, 1}) {
ms[mirror_shift+id+c->type+a] = get_ms(c, a, true);
}
@ -1770,14 +1776,15 @@ struct raycast_map {
}
int wo = currentmap->wall_offset(c);
if(wo >= irays) {
println(hlog, "wo=", wo, " irays = ", irays);
if(wo >= our_raygen.irays) {
println(hlog, "wo=", wo, " irays = ", our_raygen.irays);
reset_raycaster();
return;
}
transmatrix T = currentmap->iadj(c, i) * inverse(ms[wo + i]);
if(in_e2xe() && i >= c->type-2)
T = Id;
T = protect_prod(T);
for(int k=0; k<=isize(ms); k++) {
if(k < isize(ms) && !eqmatrix(ms[k], T, 1e-5)) continue;
if(k == isize(ms)) ms.push_back(T);
@ -1829,8 +1836,7 @@ struct raycast_map {
for(int i=0; i<isize(ms); i++)
for(int a=0; a<4; a++)
for(int b=0; b<4; b++) {
if(MDIM == 3 && (a==3 || b==3)) m_map[i+a*mlength][b] = .5;
else m_map[i+a*mlength][b] = ms[i][a][b]/ray_scale + .5;
m_map[i+a*mlength][b] = ms[i][a][b]/ray_scale + .5;
}
bind_array(m_map, o->tM, txM, 7, mlength);