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drawing tool:: improved performance of snapping, by caching

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This commit is contained in:
Zeno Rogue 2024-07-27 18:02:10 +02:00
parent ec79bb156b
commit 31e911ba15
1 changed files with 18 additions and 7 deletions
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25
mapeditor.cpp
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@ -161,15 +161,26 @@ EX namespace mapeditor {
EX void clear_dtshapes() { dtshapes.clear(); }
/** cache the result of full_mouseh */
EX shiftpoint fmh;
EX bool fmh_known;
EX shiftpoint full_mouseh() {
#if CAP_EDIT
if(GDIM == 3) return find_mouseh3();
if(snapping) return mouse_snap();
#endif
return mouseh;
if(!fmh_known) {
fmh_known = true;
#if CAP_EDIT
if(GDIM == 3) fmh = find_mouseh3();
else if(snapping) fmh = mouse_snap();
else
#endif
fmh = mouseh;
}
return fmh;
}
EX void draw_dtshapes() {
fmh_known = false;
#if CAP_EDIT
for(auto& shp: dtshapes) {
if(shp == nullptr) continue;
@ -192,7 +203,7 @@ EX namespace mapeditor {
torus_rug_jump(moh, lstart);
queueline(lstart, moh, dtcolor, 4 + vid.linequality, PPR::LINE);
}
else if(!holdmouse) {
else if(!holdmouse && !mouseout()) {
shiftmatrix T = rgpushxto0(moh);
queueline(T * xpush0(-.1), T * xpush0(.1), dtcolor);
queueline(T * ypush0(-.1), T * ypush0(.1), dtcolor);
@ -2151,7 +2162,7 @@ EX namespace mapeditor {
queueline(drawtrans*ccenter, drawtrans*coldcenter, gridcolor, 4 + vid.linequality);
if(snapping && !mouseout())
queuestr(mouse_snap(), 10, "x", 0xC040C0);
queuestr(fmh, 10, "x", 0xC040C0);
}
static ld brush_sizes[10] = {