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Cache object* in render object sort

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Kp 2014-11-21 03:31:39 +00:00
parent fb521e9b75
commit 0c3f350803
1 changed files with 8 additions and 2 deletions
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10
similar/main/render.cpp
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@ -1081,6 +1081,9 @@ struct render_compare_context_t
struct element
{
fix64 dist_squared;
#if defined(DXX_BUILD_DESCENT_II)
object *objp;
#endif
};
typedef array<element, MAX_OBJECTS> array_t;
array_t a;
@ -1092,6 +1095,9 @@ struct render_compare_context_t
{
auto objp = &Objects[t.objnum];
auto &e = (*this)[t.objnum];
#if defined(DXX_BUILD_DESCENT_II)
e.objp = objp;
#endif
e.dist_squared = vm_vec_dist2(objp->pos, Viewer_eye);
}
}
@ -1103,8 +1109,8 @@ static bool compare_func(const render_compare_context_t &c, const render_state_t
fix64 delta_dist_squared = c[a.objnum].dist_squared - c[b.objnum].dist_squared;
#if defined(DXX_BUILD_DESCENT_II)
const auto obj_a = &Objects[a.objnum];
const auto obj_b = &Objects[b.objnum];
const auto obj_a = c[a.objnum].objp;
const auto obj_b = c[b.objnum].objp;
auto abs_delta_dist_squared = std::abs(delta_dist_squared);
fix combined_size = obj_a->size + obj_b->size;