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Revise r7835: instead of not testing wall sprites, we'll just ignore the side blockers

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git-svn-id: https://svn.eduke32.com/eduke32@7838 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2019-07-24 12:56:44 +00:00 committed by Christoph Oelckers
parent 686a906c78
commit 565383e1d2
1 changed files with 19 additions and 11 deletions
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26
source/build/src/clip.cpp
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@ -22,7 +22,8 @@ static uint8_t origclipsectormap[(MAXSECTORS+7)>>3];
#ifdef HAVE_CLIPSHAPE_FEATURE
static int16_t clipspritelist[MAXCLIPNUM]; // sector-like sprite clipping
#endif
static int16_t clipobjectval[MAXCLIPNUM];
static uint16_t clipobjectval[MAXCLIPNUM];
static uint8_t clipignore[(MAXCLIPNUM+7)>>3];
////// sector-like clipping for sprites //////
#ifdef HAVE_CLIPSHAPE_FEATURE
@ -755,14 +756,21 @@ int32_t clipsprite_initindex(int32_t curidx, uspriteptr_t const curspr, int32_t
static void addclipline(int32_t dax1, int32_t day1, int32_t dax2, int32_t day2, int32_t daoval)
{
if (EDUKE32_PREDICT_TRUE(clipnum < MAXCLIPNUM))
if (EDUKE32_PREDICT_FALSE(clipnum >= MAXCLIPNUM))
{
clipmove_warned |= 2;
return;
}
clipit[clipnum].x1 = dax1; clipit[clipnum].y1 = day1;
clipit[clipnum].x2 = dax2; clipit[clipnum].y2 = day2;
clipobjectval[clipnum] = daoval;
clipobjectval[clipnum] = daoval & (UINT16_MAX-1);
uint32_t const mask = (1 << (clipnum & 7));
uint8_t &value = clipignore[clipnum >> 3];
value = (value & ~mask) | (-!!(daoval & 65536) & mask);
clipnum++;
}
else clipmove_warned |= 2;
}
static FORCE_INLINE void clipmove_tweak_pos(const vec3_t *pos, int32_t gx, int32_t gy, int32_t x1, int32_t y1, int32_t x2,
@ -1163,7 +1171,7 @@ int32_t clipmove(vec3_t * const pos, int16_t * const sectnum, int32_t xvect, int
if (clipyou)
{
int16_t const objtype = curspr ? (int16_t)(curspr - (uspritetype *)sprite) + 49152 : j + 32768;
int16_t const objtype = curspr ? (int16_t)(curspr - (uspritetype *)sprite) + 49152 : (int16_t)j + 32768;
//Add 2 boxes at endpoints
int32_t bsz = walldist; if (diff.x < 0) bsz = -bsz;
@ -1262,9 +1270,9 @@ int32_t clipmove(vec3_t * const pos, int16_t * const sectnum, int32_t xvect, int
//Side blocker
if ((p2.x-p1.x) * (pos->x-p1.x)+(p2.y-p1.y) * (pos->y-p1.y) < 0)
addclipline(p1.x-v.y, p1.y+v.x, p1.x+v.x, p1.y+v.y, (int16_t)j+49152);
addclipline(p1.x-v.y, p1.y+v.x, p1.x+v.x, p1.y+v.y, j+49152+65536);
else if ((p1.x-p2.x) * (pos->x-p2.x)+(p1.y-p2.y) * (pos->y-p2.y) < 0)
addclipline(p2.x+v.y, p2.y-v.x, p2.x-v.x, p2.y-v.y, (int16_t)j+49152);
addclipline(p2.x+v.y, p2.y-v.x, p2.x-v.x, p2.y-v.y, j+49152+65536);
}
}
break;
@ -1336,7 +1344,7 @@ int32_t clipmove(vec3_t * const pos, int16_t * const sectnum, int32_t xvect, int
{
for (native_t i=clipnum-1;i>=0;--i)
{
if ((clipobjectval[i] & 49152) != 49152 && clipinsidebox(&pos->vec2, clipobjectval[i] & (MAXWALLS-1), walldist))
if (!bitmap_test(clipignore, i) && clipinsideboxline(pos->x, pos->y, clipit[i].x1, clipit[i].x2, clipit[i].y1, clipit[i].y2, walldist))
{
vec2_t const vec = pos->vec2;
keepaway(&pos->x, &pos->y, i);