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an option to add more projections via plugins

This commit is contained in:
Zeno Rogue 2022-03-27 09:05:47 +02:00
parent 166f076f2d
commit 5a73eccd4c
2 changed files with 10 additions and 2 deletions
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7
hypgraph.cpp
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@ -497,6 +497,8 @@ EX void threepoint_projection(const hyperpoint& H, hyperpoint& ret) {
}
#endif
EX vector<hr::function<void(shiftpoint& H_orig, hyperpoint& H, hyperpoint& ret)>> extra_projections;
EX void apply_other_model(shiftpoint H_orig, hyperpoint& ret, eModel md) {
hyperpoint H = H_orig.h;
@ -1345,6 +1347,11 @@ EX void apply_other_model(shiftpoint H_orig, hyperpoint& ret, eModel md) {
}
case mdGUARD: case mdManual: break;
default:
if(md < isize(extra_projections) && extra_projections[md])
extra_projections[md](H_orig, H, ret);
break;
}
ghcheck(ret,H_orig);

5
models.cpp
View File

@ -186,6 +186,7 @@ EX namespace models {
}
EX bool model_available(eModel pm) {
if(mdinf[pm].flags & mf::technical) return false;
if(prod) {
if(pm == mdPerspective) return true;
if(among(pm, mdBall, mdHemisphere)) return false;
@ -360,7 +361,7 @@ EX namespace models {
USING_NATIVE_GEOMETRY_IN_RUG;
#endif
for(int i=0; i<mdGUARD; i++) {
for(int i=0; i<isize(mdinf); i++) {
eModel m = eModel(i);
if(m == mdFormula && ISMOBILE) continue;
if(model_available(m)) {
@ -773,7 +774,7 @@ EX namespace models {
#if CAP_COMMANDLINE
eModel read_model(const string& ss) {
EX eModel read_model(const string& ss) {
for(int i=0; i<isize(mdinf); i++) {
if(appears(mdinf[i].name_hyperbolic, ss)) return eModel(i);
if(appears(mdinf[i].name_euclidean, ss)) return eModel(i);