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Code Issues Releases Wiki Activity

Euclidean irregular maps can now be mapped to supergroups

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Zeno Rogue
2019-12-08 12:12:42 +01:00
parent 3a5a2236de
commit f03c5b5c1d
1 changed files with 80 additions and 55 deletions
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131
euclid.cpp
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@@ -74,20 +74,6 @@ EX namespace euc {
EX coord basic_canonicalize(coord x);
#if HDR
struct canonical_t {
unordered_map<coord, int> hash;
vector<coord> seq;
int index;
canonical_t() { index = 0; }
void reset() { index = 0; }
void add(coord val);
coord get(coord x);
};
struct torus_config {
/** periods entered by the user */
intmatrix user_axes;
@@ -113,8 +99,21 @@ EX namespace euc {
int infinite_dims;
/** ? */
intmatrix inverse_axes;
/** struct for canonicalization */
canonical_t canonical;
/** for canonicalization on tori */
unordered_map<coord, int> hash;
vector<coord> seq;
int index;
void reset() { index = 0; hash.clear(); seq.clear(); }
/** add to the tori canonicalization list */
void add(coord val);
/** get the representative on the tori canonicalization list */
coord get(coord x);
/** find the equivalence class of coo */
coord compute_cat(coord coo);
/** canonicalize coord x; in case of twisting, adjust d, M, and mirr accordingly */
void canonicalize(coord& x, coord& d, transmatrix& M, bool& mirr);
@@ -151,6 +150,11 @@ EX namespace euc {
tmatrix[i] = eumove(shifttable[i]);
camelot_center = NULL;
build_torus3(geometry);
if(!valid_irr_torus()) {
addMessage(XLAT("Error: period mismatch"));
eu_input = irr::base_config;
build_torus3(geometry);
}
}
heptagon *getOrigin() override {
@@ -164,8 +168,18 @@ EX namespace euc {
auto h = tailored_alloc<heptagon> (S7);
if(!IRREGULAR)
h->c7 = newCell(S7, h);
else
irr::link_to_base(h, ((hrmap_euclidean*)irr::base)->get_at(at));
else {
coord m0 = shifttable[0];
transmatrix dummy;
bool mirr;
auto ati = at;
irr::base_config.canonicalize(ati, m0, dummy, mirr);
indenter id(2);
for(int spin=0; spin<S7; spin++) if(shifttable[spin] == m0) {
irr::link_to_base(h, heptspin(((hrmap_euclidean*)irr::base)->get_at(ati), spin, mirr));
break;
}
}
h->distance = 0;
h->cdata = NULL;
h->alt = NULL;
@@ -436,12 +450,12 @@ EX namespace euc {
return {euzeroall, 0};
}
EX coord compute_cat(coord coo) {
coord torus_config_full::compute_cat(coord coo) {
coord cat = euzero;
auto& T2 = eu.inverse_axes;
auto& T2 = inverse_axes;
for(int i=0; i<3; i++) {
int val = T2[0][i] * coo[0] + T2[1][i] * coo[1] + T2[2][i] * coo[2];
if(i < WDIM - eu.infinite_dims) val = gmod(val, eu.det);
if(i < WDIM - infinite_dims) val = gmod(val, det);
cat += val * main_axes[i];
}
return cat;
@@ -478,11 +492,11 @@ EX namespace euc {
return {T0, 5};
}
void canonical_t::add(coord val) {
void torus_config_full::add(coord val) {
auto cat = compute_cat(val); if(hash.count(cat)) return; hash[cat] = isize(seq); seq.push_back(val);
}
coord canonical_t::get(coord x) {
coord torus_config_full::get(coord x) {
auto cat = compute_cat(x);
auto& st = cubemap()->shifttable;
while(!hash.count(cat)) {
@@ -493,12 +507,26 @@ EX namespace euc {
return seq[hash[cat]];
}
EX bool valid_irr_torus() {
if(!IRREGULAR) return true;
for(int i=0; i<2; i++) {
auto x = eu.user_axes[i];
coord dm = eutester;
transmatrix dummy = Id;
bool mirr = false;
irr::base_config.canonicalize(x, dm, dummy, mirr);
auto x0 = eu.user_axes[i];
auto dm0 = eutester;
eu.canonicalize(x0, dm0, dummy, mirr);
if(x0 != euzero || dm0 != eutester) return false;
}
return true;
}
EX void build_torus3(eGeometry g) {
int dim = ginf[g].g.gameplay_dimension;
// if(IRREGULAR) T0 = irr::base_periods, twisted0 = irr::base_twisted;
eu.user_axes = eu_input.user_axes;
if(dim == 2) eu.user_axes[2] = euzero;
@@ -544,8 +572,8 @@ EX namespace euc {
if(eu.det < 0) eu.det = -eu.det;
eu.inverse_axes = scaled_inverse(eu.regular_axes);
eu.canonical.reset();
eu.canonical.add(euzero);
eu.reset();
eu.add(euzero);
eu.twisted = eu_input.twisted;
if(dim == 3) {
@@ -605,18 +633,18 @@ EX namespace euc {
void torus_config_full::canonicalize(coord& x, coord& d, transmatrix& M, bool& mirr) {
if(!twisted) {
if(eu.infinite_dims == WDIM) return;
if(eu.infinite_dims == WDIM-1) {
auto& o = eu.optimal_axes;
if(infinite_dims == WDIM) return;
if(infinite_dims == WDIM-1) {
auto& o = optimal_axes;
while(celldistance(x + o[0]) <= celldistance(x)) x += o[0];
while(celldistance(x - o[0]) < celldistance(x)) x -= o[0];
return;
}
x = eu.canonical.get(x);
x = get(x);
return;
}
auto& T0 = eu.user_axes;
if(eu.twisted & 16) {
auto& T0 = user_axes;
if(twisted & 16) {
int period = T0[2][2];
transmatrix RotYZX = Zero;
RotYZX[1][0] = 1;
@@ -652,15 +680,15 @@ EX namespace euc {
auto& coo = x;
while(coo[2] >= T0[2][2]) {
coo[2] -= T0[2][2];
if(eu.twisted & 1) coo[0] *= -1, d[0] *= -1, M = M * MirrorX;
if(eu.twisted & 2) coo[1] *= -1, d[1] *= -1, M = M * MirrorY;
if(eu.twisted & 4) swap(coo[0], coo[1]), swap01(M), swap(d[0], d[1]);
if(twisted & 1) coo[0] *= -1, d[0] *= -1, M = M * MirrorX;
if(twisted & 2) coo[1] *= -1, d[1] *= -1, M = M * MirrorY;
if(twisted & 4) swap(coo[0], coo[1]), swap01(M), swap(d[0], d[1]);
}
while(coo[2] < 0) {
coo[2] += T0[2][2];
if(eu.twisted & 4) swap(coo[0], coo[1]), swap(d[0], d[1]), swap01(M);
if(eu.twisted & 1) coo[0] *= -1, d[0] *= -1, M = M * MirrorX;
if(eu.twisted & 2) coo[1] *= -1, d[1] *= -1, M = M * MirrorY;
if(twisted & 4) swap(coo[0], coo[1]), swap(d[0], d[1]), swap01(M);
if(twisted & 1) coo[0] *= -1, d[0] *= -1, M = M * MirrorX;
if(twisted & 2) coo[1] *= -1, d[1] *= -1, M = M * MirrorY;
}
for(int i: {0,1})
if(T0[i][i]) coo[i] = gmod(coo[i], T0[i][i]);
@@ -668,14 +696,14 @@ EX namespace euc {
}
else {
gp::loc coo = to_loc(x);
gp::loc ort = ort1() * eu.twisted_vec;
int dsc = dscalar(eu.twisted_vec, eu.twisted_vec);
gp::loc ort = ort1() * twisted_vec;
int dsc = dscalar(twisted_vec, twisted_vec);
gp::loc d0 (d[0], d[1]);
hyperpoint h = eumove(to_coord(eu.twisted_vec)) * C0;
hyperpoint h = eumove(to_coord(twisted_vec)) * C0;
while(true) {
int dsx = dscalar(coo, eu.twisted_vec);
if(dsx >= dsc) coo = coo - eu.twisted_vec;
else if (dsx < 0) coo = coo + eu.twisted_vec;
int dsx = dscalar(coo, twisted_vec);
if(dsx >= dsc) coo = coo - twisted_vec;
else if (dsx < 0) coo = coo + twisted_vec;
else break;
M = M * spintox(h) * MirrorY * rspintox(h);
auto s = ort * dscalar(d0, ort) * 2;
@@ -689,12 +717,12 @@ EX namespace euc {
coo = coo - s;
mirr = !mirr;
}
if(eu.ortho_vec != gp::loc{0,0}) {
int osc = dscalar(eu.ortho_vec, eu.ortho_vec);
if(ortho_vec != gp::loc{0,0}) {
int osc = dscalar(ortho_vec, ortho_vec);
while(true) {
int dsx = dscalar(coo, eu.ortho_vec);
if(dsx >= osc) coo = coo - eu.ortho_vec;
else if(dsx < 0) coo = coo + eu.ortho_vec;
int dsx = dscalar(coo, ortho_vec);
if(dsx >= osc) coo = coo - ortho_vec;
else if(dsx < 0) coo = coo + ortho_vec;
else break;
}
}
@@ -864,9 +892,6 @@ EX namespace euc {
if(S3 == 3) torus_config_option(XLAT("seven-colorable torus"), 'F', regular_torus(gp::loc{1,2}));
if(S3 == 3) torus_config_option(XLAT("HyperRogue classic torus"), 'G', single_row_torus(381, -22));
torus_config_option(XLAT("no quotient"), 'H', rectangular_torus(0, 0, false));
if(IRREGULAR)
dialog::addInfo("period cannot be changed in irregular");
}
dialog::addBreak(50);