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Minor pushmove() cleanup 

git-svn-id: https://svn.eduke32.com/eduke32@7825 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2019-07-24 01:37:47 +00:00 committed by Christoph Oelckers
parent ed457895f1
commit dc0130625a
2 changed files with 31 additions and 38 deletions
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4
source/build/include/clip.h
View File

@ -83,8 +83,8 @@ int32_t clipmove(vec3_t *const pos, int16_t *const sectnum, int32_t xvect, int32
int32_t const flordist, uint32_t const cliptype) ATTRIBUTE((nonnull(1, 2)));
int32_t clipmovex(vec3_t *const pos, int16_t *const sectnum, int32_t xvect, int32_t yvect, int32_t const walldist, int32_t const ceildist,
int32_t const flordist, uint32_t const cliptype, uint8_t const noslidep) ATTRIBUTE((nonnull(1, 2)));
int32_t pushmove(vec3_t *const vect, int16_t *const sectnum, int32_t const walldist, int32_t const ceildist, int32_t const flordist,
uint32_t const cliptype) ATTRIBUTE((nonnull(1, 2)));
int pushmove(vec3_t *const vect, int16_t *const sectnum, int32_t const walldist, int32_t const ceildist, int32_t const flordist,
uint32_t const cliptype, bool clear = true) ATTRIBUTE((nonnull(1, 2)));
#ifdef __cplusplus
}

65
source/build/src/clip.cpp
View File

@ -1379,11 +1379,10 @@ int32_t clipmove(vec3_t * const pos, int16_t * const sectnum, int32_t xvect, int
//
// pushmove
//
int32_t pushmove(vec3_t * const vect, int16_t * const sectnum,
int32_t const walldist, int32_t const ceildist, int32_t const flordist, uint32_t const cliptype)
int pushmove(vec3_t *const vect, int16_t *const sectnum,
int32_t const walldist, int32_t const ceildist, int32_t const flordist, uint32_t const cliptype, bool clear /*= true*/)
{
int32_t i, j, k, t, dx, dy, dax, day, daz;
int32_t dir, bad, bad2;
int bad;
const int32_t dawalclipmask = (cliptype&65535);
// const int32_t dasprclipmask = (cliptype>>16);
@ -1391,25 +1390,27 @@ int32_t pushmove(vec3_t * const vect, int16_t * const sectnum,
if (*sectnum < 0)
return -1;
k = 32;
dir = 1;
int32_t k = 32;
int dir = 1;
do
{
int32_t clipsectcnt;
int32_t clipsectcnt = 0;
bad = 0;
clipsectorlist[0] = *sectnum;
clipsectcnt = 0;
clipsectnum = 1;
if (clear)
{
clipsectorlist[0] = *sectnum;
clipsectnum = 1;
Bmemset(clipsectormap, 0, (numsectors+7)>>3);
bitmap_set(clipsectormap, *sectnum);
Bmemset(clipsectormap, 0, (numsectors + 7) >> 3);
bitmap_set(clipsectormap, *sectnum);
}
do
{
uwallptr_t wal;
usectorptr_t sec;
int32_t startwall, endwall;
#if 0
// Push FACE sprites
@ -1444,27 +1445,28 @@ int32_t pushmove(vec3_t * const vect, int16_t * const sectnum,
}
}
#endif
sec = (usectorptr_t)&sector[clipsectorlist[clipsectcnt]];
auto sec = (usectorptr_t)&sector[clipsectorlist[clipsectcnt]];
if (dir > 0)
startwall = sec->wallptr, endwall = startwall + sec->wallnum;
else
endwall = sec->wallptr, startwall = endwall + sec->wallnum;
int i;
for (i=startwall, wal=(uwallptr_t)&wall[startwall]; i!=endwall; i+=dir, wal+=dir)
if (clipinsidebox((vec2_t *)vect, i, walldist-4) == 1)
{
j = 0;
if (wal->nextsector < 0) j = 1;
if (wal->cstat&dawalclipmask) j = 1;
if (j == 0)
int j = 0;
if (wal->nextsector < 0 || wal->cstat&dawalclipmask) j = 1;
else
{
auto const sec2 = (usectorptr_t)&sector[wal->nextsector];
int32_t daz2;
//Find closest point on wall (dax, day) to (vect->x, vect->y)
dax = wall[wal->point2].x-wal->x;
day = wall[wal->point2].y-wal->y;
daz = dax*((vect->x)-wal->x) + day*((vect->y)-wal->y);
int32_t dax = wall[wal->point2].x-wal->x;
int32_t day = wall[wal->point2].y-wal->y;
int32_t daz = dax*((vect->x)-wal->x) + day*((vect->y)-wal->y);
int32_t t;
if (daz <= 0)
t = 0;
else
@ -1476,25 +1478,16 @@ int32_t pushmove(vec3_t * const vect, int16_t * const sectnum,
day = wal->y + mulscale30(day, t);
vec2_t closest = { dax, day };
getsectordist(closest, clipsectorlist[clipsectcnt], &closest);
daz = getflorzofslope(clipsectorlist[clipsectcnt], closest.x, closest.y);
daz2 = getflorzofslope(wal->nextsector, closest.x, closest.y);
if ((daz2 < daz-(1<<8)) && ((sec2->floorstat&1) == 0))
if (vect->z >= daz2-(flordist-1)) j = 1;
daz = getceilzofslope(clipsectorlist[clipsectcnt], closest.x, closest.y);
daz2 = getceilzofslope(wal->nextsector, closest.x, closest.y);
if ((daz2 > daz+(1<<8)) && ((sec2->ceilingstat&1) == 0))
if (vect->z <= daz2+(ceildist-1)) j = 1;
j = cliptestsector(clipsectorlist[clipsectcnt], wal->nextsector, flordist, ceildist, closest, vect->z);
}
if (j != 0)
{
j = getangle(wall[wal->point2].x-wal->x, wall[wal->point2].y-wal->y);
dx = (sintable[(j+1024)&2047]>>11);
dy = (sintable[(j+512)&2047]>>11);
bad2 = 16;
int32_t dx = (sintable[(j+1024)&2047]>>11);
int32_t dy = (sintable[(j+512)&2047]>>11);
int bad2 = 16;
do
{
vect->x = (vect->x) + dx; vect->y = (vect->y) + dy;