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rogueviz:: improved Nil compasses to work in other geometries too

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Zeno Rogue 2025-08-22 15:55:35 +02:00
parent 7889b00cc3
commit 3e40932ea7
1 changed files with 17 additions and 14 deletions
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31
rogueviz/nil-compass.cpp
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@ -39,21 +39,22 @@ struct shape {
hpcshape sh;
};
vector<shape> shapes;
bool known;
int zeroticks;
void reset() {
known = false;
shapes.clear();
}
struct nil_data : gi_extension {
vector<shape> shapes;
};
bool auto_hilite = false;
bool draw_compass(cell *c, const shiftmatrix& V) {
if(!known) {
known = true;
auto& md = (unique_ptr<nil_data>&) cgi.ext[fname];
if(!md) {
md = std::make_unique<nil_data> ();
for(int i=0; i<3; i++) for(int is=-1; is<2; is+=2)
for(int js=-1; js<2; js+=2)
@ -68,15 +69,15 @@ bool draw_compass(cell *c, const shiftmatrix& V) {
}
if(is == -1) part(col, j+1) = part(col, i+1);
shapes.emplace_back(shape{col, i, is, hpcshape()});
md->shapes.emplace_back(shape{col, i, is, hpcshape()});
auto& sh = shapes.back().sh;
auto& sh = md->shapes.back().sh;
cgi.bshape(sh, PPR::LINE);
hyperpoint p1 = C0 + ctangent(i, is * .4);
hyperpoint p2 = C0 + ctangent(j, js * .15);
hyperpoint p3 = C0 + ctangent(k, ks * .15);
hyperpoint p1 = C0 + ctangent(i, is * .4 * vid.creature_scale);
hyperpoint p2 = C0 + ctangent(j, js * .15 * vid.creature_scale);
hyperpoint p3 = C0 + ctangent(k, ks * .15 * vid.creature_scale);
for(int i=0; i<10; i++) cgi.hpcpush(to_heis(lerp(p1, p2, i/10.)));
for(int i=0; i<10; i++) cgi.hpcpush(to_heis(lerp(p2, p3, i/10.)));
@ -90,9 +91,11 @@ bool draw_compass(cell *c, const shiftmatrix& V) {
}
poly_outline = 0;
for(const auto& s: shapes) {
for(const auto& s: md->shapes) {
ld t = 36 + (ticks - zeroticks) / 1000.;
if(!auto_hilite) t = 0;
auto remap = [&] (int _i, int _is) {
auto col = s.col;