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Rotate segment vertices once, not per side

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Kp 2015-01-17 04:31:17 +00:00
parent 2d0e8259ef
commit 229603b184
1 changed files with 3 additions and 9 deletions
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12
similar/main/render.cpp
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@ -872,9 +872,6 @@ char visited2[MAX_SEGMENTS];
struct visited_twobit_array_t : visited_segment_multibit_array_t<2> {};
int lcnt_save,scnt_save;
#define RED BM_XRGB(63,0,0)
#define WHITE BM_XRGB(63,63,63)
//Given two sides of segment, tell the two verts which form the
//edge between them
typedef array<int_fast8_t, 2> se_array0;
@ -1350,7 +1347,6 @@ static void build_segment_list(render_state_t &rstate, visited_twobit_array_t &v
for (l=0;l<Render_depth;l++) {
for (scnt=0;scnt < ecnt;scnt++) {
int rotated;
array<sidenum_fast_t, MAX_SIDES_PER_SEGMENT> child_list; //list of ordered sides to process
auto segnum = rstate.Render_list[scnt];
@ -1365,7 +1361,8 @@ static void build_segment_list(render_state_t &rstate, visited_twobit_array_t &v
processed = true;
auto seg = vsegptridx(segnum);
rotated=0;
const auto r = rotate_list(seg->verts);
int rotated=1;
//look at all sides of this segment.
//tricky code to look at sides in correct order follows
@ -1375,8 +1372,7 @@ static void build_segment_list(render_state_t &rstate, visited_twobit_array_t &v
auto wid = WALL_IS_DOORWAY(seg, c);
if (wid & WID_RENDPAST_FLAG)
{
rotated=1;
ubyte codes_and = rotate_list(seg->verts).uor;
ubyte codes_and = r.uor;
if (codes_and & CC_BEHIND)
{
range_for (auto i, Side_to_verts[c])
@ -1404,8 +1400,6 @@ static void build_segment_list(render_state_t &rstate, visited_twobit_array_t &v
int no_proj_flag=0; //a point wasn't projected
if (rotated<2) {
if (!rotated)
rotate_list(seg->verts);
project_list(seg->verts);
rotated=2;
}