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arb:: export mirrored_id

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Zeno Rogue
2025-10-07 10:14:05 +02:00
parent 2fb92ecc2d
commit 0d1826f85b
1 changed files with 7 additions and 4 deletions
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11
arbitrile.cpp
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@@ -95,6 +95,8 @@ struct shape {
int reflect(int id) { int reflect(int id) {
return gmod(symmetric_value - id, size() - (apeirogonal ? 2 : 0)); return gmod(symmetric_value - id, size() - (apeirogonal ? 2 : 0));
} }
/** id of the mirrored tile */
int mirrored_id;
}; };
struct slider { struct slider {
@@ -373,6 +375,7 @@ EX void load_tile(exp_parser& ep, arbi_tiling& c, bool unit) {
cc.flags = 0; cc.flags = 0;
cc.repeat_value = 1; cc.repeat_value = 1;
cc.apeirogonal = false; cc.apeirogonal = false;
cc.mirrored_id = -1;
bool is_symmetric = false; bool is_symmetric = false;
while(ep.next() != ')') { while(ep.next() != ')') {
cld dist = 1; cld dist = 1;
@@ -489,11 +492,11 @@ EX void unmirror(arbi_tiling& c) {
if(!mirror_rules) return; if(!mirror_rules) return;
auto& sh = c.shapes; auto& sh = c.shapes;
int s = isize(sh); int s = isize(sh);
vector<int> mirrored_id(s, -1);
for(int i=0; i<s; i++) for(int i=0; i<s; i++)
if(!sh[i].symmetric_value) { if(!sh[i].symmetric_value) {
mirrored_id[i] = isize(sh); sh[i].mirrored_id = isize(sh);
sh.push_back(sh[i]); sh.push_back(sh[i]);
sh.back().mirrored_id = i;
} }
int ss = isize(sh); int ss = isize(sh);
for(int i=0; i<ss; i++) { for(int i=0; i<ss; i++) {
@@ -525,13 +528,13 @@ EX void unmirror(arbi_tiling& c) {
for(auto& co: sh[i].connections) { for(auto& co: sh[i].connections) {
bool mirr = co.mirror ^ (i >= s); bool mirr = co.mirror ^ (i >= s);
co.mirror = false; co.mirror = false;
if(mirr && mirrored_id[co.sid] == -1) { if(mirr && sh[co.sid].mirrored_id == -1) {
if(sh[co.sid].reflectable(co.eid)) { if(sh[co.sid].reflectable(co.eid)) {
co.eid = sh[co.sid].reflect(co.eid); co.eid = sh[co.sid].reflect(co.eid);
} }
} }
else if(mirr) { else if(mirr) {
co.sid = mirrored_id[co.sid]; co.sid = sh[co.sid].mirrored_id;
co.eid = isize(sh[co.sid].angles) - 1 - co.eid; co.eid = isize(sh[co.sid].angles) - 1 - co.eid;
if(sh[co.sid].apeirogonal) if(sh[co.sid].apeirogonal)
co.eid = gmod(co.eid - 2, isize(sh[co.sid].angles)); co.eid = gmod(co.eid - 2, isize(sh[co.sid].angles));