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rogueviz:: matrix memoization in multidraw

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This commit is contained in:
Zeno Rogue 2018-07-09 18:56:51 +02:00
parent e6bdfcc94f
commit 827ae794d6
1 changed files with 12 additions and 2 deletions
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14
rogueviz.cpp
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@ -1056,6 +1056,15 @@ void queuedisk(const transmatrix& V, const colorpair& cp, bool legend) {
unordered_map<pair<edgeinfo*, int>, int> drawn_edges;
map<pair<cell*, cell*>, transmatrix> relmatrices;
transmatrix& memo_relative_matrix(cell *c1, cell *c2) {
auto& p = relmatrices[make_pair(c1, c2)];
if(p[2][2] == 0)
p = shmup::calc_relative_matrix(c1, c2, NOHINT);
return p;
}
void drawVertex(const transmatrix &V, cell *c, shmup::monster *m) {
if(m->dead) return;
int i = m->pid;
@ -1103,10 +1112,10 @@ void drawVertex(const transmatrix &V, cell *c, shmup::monster *m) {
if(svg::in && alpha < 16) continue;
transmatrix gm1 =
multidraw ? V * shmup::calc_relative_matrix(vd1.m->base, c, NOHINT) :
multidraw ? V * memo_relative_matrix(vd1.m->base, c) :
shmup::ggmatrix(vd1.m->base);
transmatrix gm2 =
multidraw ? V * shmup::calc_relative_matrix(vd2.m->base, c, NOHINT) :
multidraw ? V * memo_relative_matrix(vd2.m->base, c) :
shmup::ggmatrix(vd2.m->base);
hyperpoint h1 = gm1 * vd1.m->at * C0;
@ -1477,6 +1486,7 @@ void close() {
sag::sagedges.clear();
edgetypes.clear();
on = false;
relmatrices.clear();
}
void turn(int delta) {