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product:: fixed backwall optimization in TPP view

This commit is contained in:
Zeno Rogue 2019-08-26 10:14:20 +02:00
parent b82a0a8dba
commit 54934b9871
1 changed files with 4 additions and 3 deletions
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7
nonisotropic.cpp
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@ -683,11 +683,12 @@ EX namespace product {
}
void draw() override {
actual_view_level = hybrid::current_view_level - floor(zlevel(tC0(cview())) / cgi.plevel + .5);
in_underlying([this] { currentmap->draw(); });
}
};
EX int cwall_offset, cwall_mask;
EX int cwall_offset, cwall_mask, actual_view_level;
void drawcell_stack(cell *c, transmatrix V, int spinv, bool mirrored) {
if(sphere) gmatrix[c] = V; /* some computations need gmatrix0 for underlying geometry */
@ -710,9 +711,9 @@ EX namespace product {
for(int z=-max_z; z<=max_z; z++) {
if(z == 0) cwall_mask ^= (2<<c->type);
if(z == 1) cwall_mask ^= (1<<c->type);
cell *c1 = hybrid::get_at(c, hybrid::current_view_level+z);
cell *c1 = hybrid::get_at(c, actual_view_level+z);
setdist(c1, 7, NULL);
drawcell(c1, V * mscale(Id, cgi.plevel * z), spinv, mirrored);
drawcell(c1, V * mscale(Id, cgi.plevel * (z+actual_view_level - hybrid::current_view_level)), spinv, mirrored);
}
});
}