refactored compute_geometry_data

This commit is contained in:
Zeno Rogue 2021-08-27 12:06:10 +02:00
parent e432991abe
commit e2ba882b55
1 changed files with 111 additions and 91 deletions

View File

@ -708,123 +708,119 @@ EX void edit_stretch() {
dialog::reaction = [] { if(abs(stretch::factor+1) < 1e-3) stretch::factor = -.9; ray::reset_raycaster(); };
}
EX void showEuclideanMenu() {
// for(int i=2; i<lt; i++) landvisited[i] = true;
#if HDR
struct geometry_data {
int ts, tv, nom, denom, euler, demigenus, worldsize;
int area;
string spf;
string size_str;
};
#endif
cmode = sm::SIDE | sm::MAYDARK;
gamescreen(0);
dialog::init(XLAT("experiment with geometry"));
dialog::addSelItem(XLAT("geometry"), geometry_name(), 'd');
dialog::add_action([] { pushScreen(ge_select_tiling); pushScreen(ge_select_filter); });
dialog::addSelItem(XLAT("basic tiling"), XLAT(ginf[geometry].tiling_name), 't');
dialog::add_action([] {
if(!current_filter || !current_filter->test()) set_default_filter();
pushScreen(ge_select_tiling);
});
int ts = ginf[geometry].sides;
int tv = ginf[geometry].vertex;
int nom = (BITRUNCATED ? tv+ts : tv) * 4;
int denom = (2*ts + 2*tv - ts * tv);
EX geometry_data compute_geometry_data() {
geometry_data gd;
auto& ts = gd.ts;
auto& tv = gd.tv;
ts = ginf[geometry].sides;
tv = ginf[geometry].vertex;
gd.nom = (BITRUNCATED ? tv+ts : tv) * 4;
gd.denom = (2*ts + 2*tv - ts * tv);
#if CAP_GP
if(GOLDBERG || INVERSE) {
ld area = PIU(cgi.gpdata->area);
gd.area = PIU(cgi.gpdata->area);
if(GOLDBERG || WARPED) {
nom = 2 * (2*tv + (S3-2) * ts * (area-1));
gd.nom = 2 * (2*tv + (S3-2) * ts * (gd.area-1));
}
else if(UNRECTIFIED) {
if((gp::param.first + gp::param.second) % 2 == 0)
nom = ts * 2 * area;
gd.nom = ts * 2 * gd.area;
else
nom = (2*tv + (S3-2) * ts * (area-1));
gd.nom = (2*tv + (S3-2) * ts * (gd.area-1));
}
else if(UNTRUNCATED) {
if((gp::param.first - gp::param.second) % 3 == 0) {
nom = ts * 4 * area;
denom *= 3;
gd.nom = ts * 4 * gd.area;
gd.denom *= 3;
}
else {
nom = 2 * (2*tv + (S3-2) * ts * (area-1));
denom *= 3;
gd.nom = 2 * (2*tv + (S3-2) * ts * (gd.area-1));
gd.denom *= 3;
}
}
}
else
#endif
gd.area = PURE ? 1 : 3;
int worldsize;
int euler = 0;
if(euclid) euler = 0;
else if(sphere && nonorientable) euler = 1;
else if(sphere) euler = 2;
else if(!bounded) euler = -2;
else if(WDIM == 3) euler = 0;
gd.euler = 0;
if(euclid) gd.euler = 0;
else if(sphere && nonorientable) gd.euler = 1;
else if(sphere) gd.euler = 2;
else if(!bounded) gd.euler = -2;
else if(WDIM == 3) gd.euler = 0;
else switch(geometry) {
case gFieldQuotient:
worldsize = isize(currentmap->allcells());
euler = 2 * worldsize * denom / nom;
gd.worldsize = isize(currentmap->allcells());
gd.euler = 2 * gd.worldsize * gd.denom / gd.nom;
break;
case gMinimal:
euler = -1;
gd.euler = -1;
break;
case gZebraQuotient:
case gBolza:
euler = -2;
gd.euler = -2;
break;
case gKleinQuartic:
case gSchmutzM2:
case gBolza2:
euler = -4;
gd.euler = -4;
break;
case gSchmutzM3:
case gBring:
euler = -6;
gd.euler = -6;
break;
case gMacbeath:
euler = -12;
gd.euler = -12;
break;
default:
worldsize = isize(currentmap->allcells());
println(hlog, "warning: Euler characteristics unknown, worldsize = ", worldsize);
euler = 2 * worldsize * denom / nom;
gd.worldsize = isize(currentmap->allcells());
println(hlog, "warning: Euler characteristics unknown, worldsize = ", gd.worldsize);
gd.euler = 2 * gd.worldsize * gd.denom / gd.nom;
break;
}
nom *= euler;
denom *= 2;
gd.nom *= gd.euler;
gd.denom *= 2;
if(hybri) nom *= hybrid::csteps, denom *= cgi.single_step;
if(hybri) gd.nom *= hybrid::csteps, gd.denom *= cgi.single_step;
int g = gcd(nom, denom);
int g = gcd(gd.nom, gd.denom);
if(g) {
nom /= g;
denom /= g;
gd.nom /= g;
gd.denom /= g;
}
if(euclid && bounded) {
worldsize = euc::eu.det;
if(BITRUNCATED) worldsize *= (a4 ? 2 : 3);
if(GOLDBERG) worldsize *= cgi.gpdata->area;
gd.worldsize = euc::eu.det;
if(BITRUNCATED) gd.worldsize *= (a4 ? 2 : 3);
if(GOLDBERG) gd.worldsize *= cgi.gpdata->area;
#if CAP_IRR
if(IRREGULAR) worldsize *= isize(irr::cells) / isize(irr::cells_of_heptagon);
if(IRREGULAR) gd.worldsize *= isize(irr::cells) / isize(irr::cells_of_heptagon);
#endif
}
else
worldsize = denom ? nom / denom : 0;
gd.worldsize = gd.denom ? gd.nom / gd.denom : 0;
if(euler < 0 && !bounded)
worldsize = -worldsize;
if(gd.euler < 0 && !bounded)
gd.worldsize = -gd.worldsize;
string spf = its(ts);
if(0) ;
@ -896,6 +892,56 @@ EX void showEuclideanMenu() {
for(int z=1; z<S3; z++) spf = spf + "," + spf0;
}
gd.size_str =
#if CAP_BT
bt::in() ? fts(8 * M_PI * sqrt(2) * log(2) / pow(vid.binary_width, WDIM-1), 4) + " exp(∞)" :
#endif
#if CAP_ARCM
arcm::in() && (WDIM == 2) ? arcm::current.world_size() :
(arcm::in() && sphere) ? its(isize(currentmap->allcells())) :
#endif
#if CAP_CRYSTAL
cryst ? "∞^" + its(ts/2) :
#endif
WDIM == 3 && bounded ? its(isize(currentmap->allcells())) :
WDIM == 3 && euclid ? "" :
gd.worldsize < 0 ? (gd.nom%gd.denom ? its(gd.nom)+"/"+its(gd.denom) : its(-gd.worldsize)) + " exp(∞)":
(euclid && quotient && !bounded) ? "" :
gd.worldsize == 0 ? "∞²" :
its(gd.worldsize);
#if CAP_IRR
if(hyperbolic && IRREGULAR) {
gd.nom = isize(irr::cells);
// both Klein Quartic and Bolza2 are double the Zebra quotiennt
gd.denom = -2;
if(!quotient) gd.worldsize = gd.nom / gd.denom;
}
#endif
if(WDIM == 3) gd.euler = 0;
gd.demigenus = 2 - gd.euler;
return gd;
}
EX void showEuclideanMenu() {
// for(int i=2; i<lt; i++) landvisited[i] = true;
cmode = sm::SIDE | sm::MAYDARK;
gamescreen(0);
dialog::init(XLAT("experiment with geometry"));
dialog::addSelItem(XLAT("geometry"), geometry_name(), 'd');
dialog::add_action([] { pushScreen(ge_select_tiling); pushScreen(ge_select_filter); });
dialog::addSelItem(XLAT("basic tiling"), XLAT(ginf[geometry].tiling_name), 't');
dialog::add_action([] {
if(!current_filter || !current_filter->test()) set_default_filter();
pushScreen(ge_select_tiling);
});
string qstring = ginf[geometry].quotient_name;
if(qstring == "none")
@ -935,15 +981,6 @@ EX void showEuclideanMenu() {
dialog::add_action_push(arb::set_sliders);
}
#if CAP_IRR
if(hyperbolic && IRREGULAR) {
nom = isize(irr::cells);
// both Klein Quartic and Bolza2 are double the Zebra quotiennt
denom = -2;
if(!quotient) worldsize = nom / denom;
}
#endif
#if MAXMDIM >= 4
if(cgflags & qULTRA) {
dialog::addBoolItem(XLAT("truncate ultra-vertices with mirrors"), reg3::ultra_mirror_on, 'Z');
@ -1074,31 +1111,15 @@ EX void showEuclideanMenu() {
dialog::addTitle(XLAT("info about: %1", full_geometry_name()), 0xFFFFFF, 150);
if(WDIM == 2 && !arb::in() && !kite::in()) dialog::addSelItem(XLAT("faces per vertex"), spf, 0);
auto gd = compute_geometry_data();
if(WDIM == 2 && !arb::in() && !kite::in()) dialog::addSelItem(XLAT("faces per vertex"), gd.spf, 0);
if(arb::in() && arb::current.comment != "") {
dialog::addBreak(100);
dialog::addHelp(arb::current.comment);
}
dialog::addSelItem(XLAT("size of the world"),
#if CAP_BT
bt::in() ? fts(8 * M_PI * sqrt(2) * log(2) / pow(vid.binary_width, WDIM-1), 4) + " exp(∞)" :
#endif
#if CAP_ARCM
arcm::in() && (WDIM == 2) ? arcm::current.world_size() :
(arcm::in() && sphere) ? its(isize(currentmap->allcells())) :
#endif
#if CAP_CRYSTAL
cryst ? "∞^" + its(ts/2) :
#endif
WDIM == 3 && bounded ? its(isize(currentmap->allcells())) :
WDIM == 3 && euclid ? "" :
worldsize < 0 ? (nom%denom ? its(nom)+"/"+its(denom) : its(-worldsize)) + " exp(∞)":
(euclid && quotient && !bounded) ? "" :
worldsize == 0 ? "∞²" :
its(worldsize),
'3');
dialog::addSelItem(XLAT("size of the world"), gd.size_str, '3');
if(WDIM == 2 || reg3::in_rule()) dialog::add_action([] {
if(!viewdists) { enable_viewdists(); pushScreen(viewdist_configure_dialog); }
@ -1106,13 +1127,12 @@ EX void showEuclideanMenu() {
});
if(bounded) {
if(WDIM == 3) euler = 0;
dialog::addSelItem(XLAT("Euler characteristics"), its(euler), 0);
dialog::addSelItem(XLAT("Euler characteristics"), its(gd.euler), 0);
if(WDIM == 3) ;
else if(nonorientable)
dialog::addSelItem(XLAT("demigenus"), its(2-euler), 0);
dialog::addSelItem(XLAT("demigenus"), its(gd.demigenus), 0);
else
dialog::addSelItem(XLAT("genus"), its((2-euler)/2), 0);
dialog::addSelItem(XLAT("genus"), its(gd.demigenus/2), 0);
}
else dialog::addBreak(200);