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dice:: now work correctly in non-orientable spaces

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Zeno Rogue
2021-06-16 11:12:42 +02:00
parent ca6eb9d8ef
commit e6dd27f5bf
2 changed files with 11 additions and 4 deletions
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12
complex2.cpp
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@@ -963,6 +963,7 @@ EX namespace dice {
struct die_structure *which;
int val;
int dir;
bool mirrored;
int happy();
};
#endif
@@ -1113,12 +1114,11 @@ EX namespace dice {
auto& dw = dd.which;
int si = isize(dw->sides[val]);
int si = dw->facesides;
if(t % si) { println(hlog, "error: bad roll"); return dd; }
int sideid = (rdir - dir) * si / t;
if(sideid < 0) sideid += si;
int sideid = gmod((rdir - dir) * (dd.mirrored?-1:1) * si / t, si);
int val1 = dw->sides[val][sideid];
@@ -1131,10 +1131,13 @@ EX namespace dice {
int rdir1 = mi.rev_dir_force();
int dir1 = rdir1 - sideid1 * t1 / si1;
bool mirror1 = dd.mirrored ^ mi.mirror();
int dir1 = rdir1 - (mirror1?-1:1) * sideid1 * t1 / si1;
dir1 = gmod(dir1, t1);
dd.mirrored = mirror1;
dd.val = val1;
dd.dir = dir1;
return dd;
@@ -1211,6 +1214,7 @@ EX namespace dice {
#endif
shiftmatrix V1 = V * ddspin(c, dir) * spin(M_PI);
if(dd.mirrored) V1 = V1 * MirrorY;
// loop: