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s2xe:: removed old junk

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This commit is contained in:
Zeno Rogue 2019-11-03 14:44:40 +01:00
parent 55c41463dd
commit 341934d1c5
1 changed files with 35 additions and 72 deletions
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107
drawing.cpp
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@ -1096,83 +1096,46 @@ void draw_s2xe0(dqi_poly *p) {
}
glcoords.resize(p->cnt);
if(p->flags & POLY_TRIANGLES) {
for(int i=0; i<p->cnt; i+=3) {
int nbad = 0;
for(int j=i; j<i+3; j++) {
if(pd[j].bad >= 1) nbad = max(nbad, 0);
if(pd[j].bad >= 2) nbad = 2;
}
int g = (pd[i].distance > M_PI/2 || pd[i+1].distance >= M_PI/2 || pd[i+2].distance >= M_PI/2) ? 2 : 1;
auto c1 = crossdot(pd[i+0].direction, pd[i+1].direction);
auto c2 = crossdot(pd[i+1].direction, pd[i+2].direction);
auto c3 = crossdot(pd[i+2].direction, pd[i+0].direction);
if(c1.second < 0 || c2.second < 0 || c3.second < 0) nbad = max(nbad, g);
if(c1.first > 0 && c2.first > 0 && c3.first > 0) nbad = max(nbad, g);
if(c1.first < 0 && c2.first < 0 && c3.first < 0) nbad = max(nbad, g);
pd[i].bad = pd[i+1].bad = pd[i+2].bad = nbad;
for(auto c: pd) if(c.bad == 2) return;
bool no_gens = false;
for(int i=0; i<p->cnt; i++) {
auto &c1 = pd[i];
auto &c0 = pd[i==0?p->cnt-1 : i-1];
if(c1.distance > M_PI/2 && c0.distance > M_PI/2 && crossdot(c0.direction, c1.direction).second < 0) return;
if(c1.bad == 2) return;
if(c1.bad == 1) no_gens = true;
}
if(!no_gens) {
vector<ld> angles(p->cnt);
for(int i=0; i<p->cnt; i++) {
angles[i] = atan2(pd[i].direction[1], pd[i].direction[0]);
}
for(int gen=-maxgen; gen<=maxgen; gen++) {
for(int i=0; i<p->cnt; i++) {
auto& cur = pd[i];
if(cur.bad >= (gen ? 1 : 2)) glcoords[i] = junk;
else {
hyperpoint h;
ld d = cur.distance + 2 * M_PI * gen;
h[0] = cur.direction[0] * d;
h[1] = cur.direction[1] * d;
h[2] = cur.z;
glcoords[i] = glhr::pointtogl(h);
}
}
npoly.gldraw();
sort(angles.begin(), angles.end());
angles.push_back(angles[0] + 2 * M_PI);
bool ok = false;
for(int i=1; i<isize(angles); i++)
if(angles[i] >= angles[i-1] + M_PI) ok = true;
if(!ok) {
for(auto &c: pd) if(c.distance > M_PI/2) return;
no_gens = true;
}
}
else {
for(auto c: pd) if(c.bad == 2) return;
bool no_gens = false;
int g = no_gens ? 0 : maxgen;
for(int gen=-g; gen<=g; gen++) {
for(int i=0; i<p->cnt; i++) {
auto &c1 = pd[i];
auto &c0 = pd[i==0?p->cnt-1 : i-1];
if(c1.distance > M_PI/2 && c0.distance > M_PI/2 && crossdot(c0.direction, c1.direction).second < 0) return;
if(c1.bad == 2) return;
if(c1.bad == 1) no_gens = true;
}
if(!no_gens) {
vector<ld> angles(p->cnt);
for(int i=0; i<p->cnt; i++) {
angles[i] = atan2(pd[i].direction[1], pd[i].direction[0]);
}
sort(angles.begin(), angles.end());
angles.push_back(angles[0] + 2 * M_PI);
bool ok = false;
for(int i=1; i<isize(angles); i++)
if(angles[i] >= angles[i-1] + M_PI) ok = true;
if(!ok) {
for(auto &c: pd) if(c.distance > M_PI/2) return;
no_gens = true;
}
}
int g = no_gens ? 0 : maxgen;
for(int gen=-g; gen<=g; gen++) {
for(int i=0; i<p->cnt; i++) {
auto& cur = pd[i];
ld d = cur.distance + 2 * M_PI * gen;
hyperpoint h;
h[0] = cur.direction[0] * d;
h[1] = cur.direction[1] * d;
h[2] = cur.z;
glcoords[i] = glhr::pointtogl(h);
}
npoly.gldraw();
auto& cur = pd[i];
ld d = cur.distance + 2 * M_PI * gen;
hyperpoint h;
h[0] = cur.direction[0] * d;
h[1] = cur.direction[1] * d;
h[2] = cur.z;
glcoords[i] = glhr::pointtogl(h);
}
npoly.gldraw();
}
}
EX }