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Another clipping fix

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git-svn-id: https://svn.eduke32.com/eduke32@7857 1a8010ca-5511-0410-912e-c29ae57300e0
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terminx 2019-08-01 06:49:47 +00:00 committed by Christoph Oelckers
parent 762c3ebbf6
commit 6e4951bdb6
2 changed files with 14 additions and 8 deletions
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2
source/build/include/clip.h
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@ -17,7 +17,7 @@ extern "C" {
#define MAXCLIPSECTORS 512
#define MAXCLIPNUM 2048
#define CLIPCURBHEIGHT (1<<8)
#ifdef HAVE_CLIPSHAPE_FEATURE
#define CM_MAX 256 // must be a power of 2

20
source/build/src/clip.cpp
View file

@ -805,12 +805,18 @@ static bool cliptestsector(int const dasect, int const nextsect, int32_t const f
if (sec->floorstat & 2)
getcorrectzsofslope(dasect, pos.x, pos.y, &dacz, &daz);
return (((sec2->floorstat&1) == 0 && // parallaxed floor curbs don't clip
posz >= daz2-(flordist-1) && // also account for desired z distance tolerance
daz2 < daz-(1<<8)) || // curbs less tall than 256 z units don't clip
((sec2->ceilingstat&1) == 0 &&
posz <= dacz2+(ceildist-1) &&
dacz2 > dacz+(1<<8)));
int32_t const sec2height = daz2-dacz2;
return ((daz-dacz > sec2height && // clip if the current sector is taller and the next is too small
sec2height < (flordist+ceildist-(CLIPCURBHEIGHT<<1))) ||
((sec2->floorstat&1) == 0 && // parallaxed floor curbs don't clip
posz >= daz2-(flordist-1) && // also account for desired z distance tolerance
daz2 < daz-CLIPCURBHEIGHT) || // curbs less tall than 256 z units don't clip
((sec2->ceilingstat&1) == 0 &&
posz <= dacz2+(ceildist-1) &&
dacz2 > dacz+CLIPCURBHEIGHT)); // ceilings check the same conditions ^^^^^
}
int32_t clipmovex(vec3_t *pos, int16_t *sectnum,
@ -1248,7 +1254,7 @@ int32_t clipmove(vec3_t * const pos, int16_t * const sectnum, int32_t xvect, int
{
int32_t height, daz = spr->z+spriteheightofs(j, &height, 1);
if (pos->z > daz-height-flordist && pos->z < spr->z+ceildist)
if (pos->z > daz-height-flordist && pos->z < daz+ceildist)
{
vec2_t p2;