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ads-game:: priority_queue-based rendering

This commit is contained in:
Zeno Rogue 2022-09-18 16:49:08 +02:00
parent 7a7ee1a13f
commit 03a3fd14a0
1 changed files with 16 additions and 8 deletions
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24
rogueviz/ads/display.cpp
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@ -217,17 +217,19 @@ void view_ads_game() {
make_shape();
set<cell*> visited;
queue<pair<cell*, ads_matrix>> dq;
auto visit = [&] (cell *c, const ads_matrix& V) {
using key = tuple<ld, cell*, ads_matrix>;
auto cmp = [] (const key& a1, const key& a2) { return get<0>(a1) < get<0>(a2); };
std::priority_queue<key, vector<key>, decltype(cmp)> dq(cmp);
auto visit = [&] (ld t, cell *c, const ads_matrix& V) {
auto w = hybrid::get_where(c);
if(visited.count(w.first)) return;
visited.insert(w.first);
dq.emplace(c, V);
dq.emplace(t, c, V);
};
hybrid::in_actual([&] {
dynamicval<eGeometry> b(geometry, gRotSpace);
visit(vctr, vctrV);
visit(0, vctr, vctrV);
vctr_dist = HUGE_VAL;
});
@ -235,9 +237,9 @@ void view_ads_game() {
while(!dq.empty()) {
i++; if(i > draw_per_frame) break;
auto& p = dq.front();
cell *c = p.first;
ads_matrix V = p.second;
auto& p = dq.top();
cell *c = get<1>(p);
ads_matrix V = get<2>(p);
dq.pop();
draw_game_cell(c, V, plev);
@ -247,7 +249,13 @@ void view_ads_game() {
cell *c2 = c->cmove(i);
auto V1 = V * currentmap->adj(c, i);
optimize_shift(V1);
visit(c2, V1);
auto g = hybrid::get_where(c2);
adjust_to_zero(V1, g, plev);
c2 = hybrid::get_at(g.first, 0);
auto center = findflat(V1 * C0);
visit(-hdist0(center.h), c2, V1);
}
});
}