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tes:: mirror command added

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This commit is contained in:
Zeno Rogue 2022-10-06 10:59:57 +02:00
parent bef884c9dc
commit d44e8b6416
1 changed files with 51 additions and 7 deletions
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58
arbitrile.cpp
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@ -71,6 +71,8 @@ struct shape {
bool apeirogonal;
/** connections repeat `repeat_value` times */
int repeat_value;
/** 0 if the no mirror symmetries are declared; otherwise, edge i is the mirror of edge gmod(symmetric_value-i, size()). Make sure symmetric_value != 0, e.g., by adding size() */
int symmetric_value;
/** if a tile/edge combination may be connected to edges j1 and j2 of this, j1-j2 must be divisible by cycle_length */
int cycle_length;
/** list of valences of vertices in the tesfile convention */
@ -350,16 +352,25 @@ EX void load_tile(exp_parser& ep, arbi_tiling& c, bool unit) {
cc.id = isize(c.shapes) - 1;
cc.orig_id = cc.id;
cc.is_mirrored = false;
cc.symmetric_value = 0;
cc.flags = 0;
cc.repeat_value = 1;
bool is_symmetric = false;
while(ep.next() != ')') {
cld dist = 1;
ep.skip_white();
if(ep.eat("|")) {
cc.symmetric_value = ep.iparse();
is_symmetric = true;
ep.force_eat(")");
break;
}
if(ep.eat("*")) {
ld frep = ep.rparse(0);
if(isinf(frep)) {
cc.apeirogonal = true;
set_flag(ginf[gArbitrary].flags, qIDEAL, true);
if(ep.eat(",") && ep.eat("|")) is_symmetric = true, cc.symmetric_value = ep.iparse();
ep.force_eat(")");
break;
}
@ -379,6 +390,11 @@ EX void load_tile(exp_parser& ep, arbi_tiling& c, bool unit) {
cc.ideal_markers.push_back(cc.ideal_markers[j]);
}
ep.skip_white();
if(ep.eat(",")) {
ep.force_eat("|");
cc.symmetric_value = ep.iparse();
is_symmetric = true;
}
if(ep.eat(")")) {
if(repeat_from == 0) cc.repeat_value = rep;
break;
@ -420,6 +436,7 @@ EX void load_tile(exp_parser& ep, arbi_tiling& c, bool unit) {
throw;
}
int n = cc.size();
if(is_symmetric) cc.symmetric_value += n;
cc.connections.resize(n);
for(int i=0; i<isize(cc.connections); i++)
cc.connections[i] = connection_t{cc.id, i, false};
@ -448,13 +465,18 @@ EX void unmirror(arbi_tiling& c) {
if(!mirror_rules) return;
auto& sh = c.shapes;
int s = isize(sh);
vector<int> mirrored_id(s, -1);
for(int i=0; i<s; i++)
sh.push_back(sh[i]);
for(int i=0; i<2*s; i++) {
if(!sh[i].symmetric_value) {
mirrored_id[i] = isize(sh);
sh.push_back(sh[i]);
}
int ss = isize(sh);
for(int i=0; i<ss; i++) {
sh[i].id = i;
if(i >= s) sh[i].is_mirrored = true;
}
for(int i=s; i<s+s; i++) {
for(int i=s; i<ss; i++) {
for(auto& v: sh[i].vertices)
v[1] = -v[1];
reverse(sh[i].edges.begin(), sh[i].edges.end());
@ -475,12 +497,15 @@ EX void unmirror(arbi_tiling& c) {
}
}
if(true) for(int i=0; i<s+s; i++) {
if(true) for(int i=0; i<ss; i++) {
for(auto& co: sh[i].connections) {
bool mirr = co.mirror ^ (i >= s);
co.mirror = false;
if(mirr) {
co.sid += s;
if(mirr && mirrored_id[co.sid] == -1) {
co.eid = gmod(sh[co.sid].symmetric_value - co.eid, isize(sh[co.sid].angles));
}
else if(mirr) {
co.sid = mirrored_id[co.sid];
co.eid = isize(sh[co.sid].angles) - 1 - co.eid;
if(sh[co.sid].apeirogonal)
co.eid = gmod(co.eid - 2, isize(sh[co.sid].angles));
@ -761,7 +786,7 @@ EX void check_football_colorability(arbi_tiling& c) {
for(auto&sh: c.shapes) sh.football_type = 3;
}
EX void add_connection(arbi_tiling& c, int ai, int as, int bi, int bs, int m) {
EX void add_connection_sub(arbi_tiling& c, int ai, int as, int bi, int bs, int m) {
int as0 = as, bs0 = bs;
auto& ash = c.shapes[ai];
auto& bsh = c.shapes[bi];
@ -777,6 +802,25 @@ EX void add_connection(arbi_tiling& c, int ai, int as, int bi, int bs, int m) {
while(bs != bs0);
}
EX void add_connection(arbi_tiling& c, int ai, int as, int bi, int bs, int m) {
auto& ash = c.shapes[ai];
auto& bsh = c.shapes[bi];
add_connection_sub(c, ai, as, bi, bs, m);
int as1, bs1;
if(ash.symmetric_value) {
as1 = gmod(ash.symmetric_value - as, ash.size());
println(hlog, tie(ai, as), " also is ", tie(ai, as1), " since symmetric is ", ash.symmetric_value, "/", ash.size(), " A");
add_connection_sub(c, ai, as1, bi, bs, !m);
}
if(bsh.symmetric_value) {
bs1 = gmod(bsh.symmetric_value - bs, bsh.size());
println(hlog, tie(bi, bs), " also is ", tie(bi, bs1), " since symmetric is ", bsh.symmetric_value, "/", bsh.size(), " B");
add_connection_sub(c, ai, as, bi, bs1, !m);
}
if(ash.symmetric_value && bsh.symmetric_value)
add_connection_sub(c, ai, as1, bi, bs1, m);
}
EX void set_defaults(arb::arbi_tiling& c, bool keep_sliders, string fname) {
c.order++;
c.name = unnamed;