mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-11-10 23:02:03 +00:00
Engine cleanup: factor out code getting bounds of sprites.
git-svn-id: https://svn.eduke32.com/eduke32@3207 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned
parent
e9009bfdd4
commit
72492df63e
1 changed files with 138 additions and 175 deletions
|
|
@ -9040,6 +9040,10 @@ killsprite:
|
|||
enddrawing(); //}}}
|
||||
}
|
||||
|
||||
static void get_flatspr_points(const spritetype *spr, int32_t px, int32_t py,
|
||||
int32_t *x1, int32_t *x2, int32_t *x3, int32_t *x4,
|
||||
int32_t *y1, int32_t *y2, int32_t *y3, int32_t *y4);
|
||||
|
||||
//
|
||||
// drawmapview
|
||||
//
|
||||
|
|
@ -9048,15 +9052,15 @@ void drawmapview(int32_t dax, int32_t day, int32_t zoome, int16_t ang)
|
|||
walltype *wal;
|
||||
sectortype *sec;
|
||||
spritetype *spr;
|
||||
int32_t tilenum, xoff, yoff, i, j, k, l, cosang, sinang, xspan, yspan;
|
||||
int32_t xrepeat, yrepeat, x, y, x1, y1, x2, y2, x3, y3, x4, y4, bakx1, baky1;
|
||||
int32_t i, j, k, l;
|
||||
int32_t x, y, x1, y1, x2, y2, x3, y3, x4, y4, bakx1, baky1;
|
||||
int32_t s, w, ox, oy, startwall, cx1, cy1, cx2, cy2;
|
||||
int32_t bakgxvect, bakgyvect, sortnum, gap, npoints;
|
||||
int32_t xvect, yvect, xvect2, yvect2, daslope;
|
||||
|
||||
int32_t oyxaspect=yxaspect, oviewingrange=viewingrange;
|
||||
|
||||
setaspect(65536, divscale16((xdim*320*5)/8, xdim*200));
|
||||
setaspect(65536, divscale16((320*5)/8, 200));
|
||||
|
||||
beforedrawrooms = 0;
|
||||
|
||||
|
|
@ -9223,28 +9227,15 @@ void drawmapview(int32_t dax, int32_t day, int32_t zoome, int16_t ang)
|
|||
spr = &sprite[tsprite[s].owner];
|
||||
if ((spr->cstat&48) == 32)
|
||||
{
|
||||
int32_t xspan;
|
||||
|
||||
npoints = 0;
|
||||
|
||||
tilenum = spr->picnum;
|
||||
xoff = picanm[tilenum].xofs + spr->xoffset;
|
||||
yoff = picanm[tilenum].yofs + spr->yoffset;
|
||||
if ((spr->cstat&4) > 0) xoff = -xoff;
|
||||
if ((spr->cstat&8) > 0) yoff = -yoff;
|
||||
|
||||
k = spr->ang&2047; // FIXME ? See DNE_BUG_HERE
|
||||
cosang = sintable[(k+512)&2047]; sinang = sintable[k];
|
||||
xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat;
|
||||
yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat;
|
||||
|
||||
ox = ((xspan>>1)+xoff)*xrepeat; oy = ((yspan>>1)+yoff)*yrepeat;
|
||||
x1 = spr->x + mulscale(sinang,ox,16) + mulscale(cosang,oy,16);
|
||||
y1 = spr->y + mulscale(sinang,oy,16) - mulscale(cosang,ox,16);
|
||||
l = xspan*xrepeat;
|
||||
x2 = x1 - mulscale(sinang,l,16);
|
||||
y2 = y1 + mulscale(cosang,l,16);
|
||||
l = yspan*yrepeat;
|
||||
k = -mulscale(cosang,l,16); x3 = x2+k; x4 = x1+k;
|
||||
k = -mulscale(sinang,l,16); y3 = y2+k; y4 = y1+k;
|
||||
x1 = spr->x;
|
||||
y1 = spr->y;
|
||||
get_flatspr_points(spr, 0, 0, &x1, &x2, &x3, &x4,
|
||||
&y1, &y2, &y3, &y4);
|
||||
xspan = tilesizx[spr->picnum];
|
||||
|
||||
xb1[0] = 1; xb1[1] = 2; xb1[2] = 3; xb1[3] = 0;
|
||||
npoints = 4;
|
||||
|
|
@ -11263,6 +11254,103 @@ static int32_t hitscan_trysector(const vec3_t *sv, const sectortype *sec, hitdat
|
|||
return 0;
|
||||
}
|
||||
|
||||
// x1, y1: in/out
|
||||
// rest x/y: out
|
||||
static void get_rotspr_points(const spritetype *spr, int32_t *x1, int32_t *x2,
|
||||
int32_t *y1, int32_t *y2)
|
||||
{
|
||||
//These lines get the 2 points of the rotated sprite
|
||||
//Given: (x1, y1) starts out as the center point
|
||||
|
||||
const int32_t tilenum=spr->picnum, ang=spr->ang;
|
||||
const int32_t xrepeat = spr->xrepeat;
|
||||
int32_t xoff = picanm[tilenum].xofs + spr->xoffset;
|
||||
int32_t k, l, dax, day;
|
||||
|
||||
if (spr->cstat&4)
|
||||
xoff = -xoff;
|
||||
|
||||
dax = sintable[ang&2047]*xrepeat;
|
||||
day = sintable[(ang+1536)&2047]*xrepeat;
|
||||
|
||||
l = tilesizx[tilenum];
|
||||
k = (l>>1)+xoff;
|
||||
|
||||
*x1 -= mulscale16(dax,k);
|
||||
*x2 = *x1 + mulscale16(dax,l);
|
||||
|
||||
*y1 -= mulscale16(day,k);
|
||||
*y2 = *y1 + mulscale16(day,l);
|
||||
}
|
||||
|
||||
// x1, y1: in/out
|
||||
// rest x/y: out
|
||||
static void get_flatspr_points(const spritetype *spr, int32_t px, int32_t py,
|
||||
int32_t *x1, int32_t *x2, int32_t *x3, int32_t *x4,
|
||||
int32_t *y1, int32_t *y2, int32_t *y3, int32_t *y4)
|
||||
{
|
||||
const int32_t tilenum = spr->picnum;
|
||||
// &2047 in sinang:
|
||||
// DNE 1.3D lights camera action (1st level), spr->ang==2306
|
||||
// (probably from CON)
|
||||
const int32_t cosang = sintable[(spr->ang+512)&2047];
|
||||
const int32_t sinang = sintable[spr->ang&2047];
|
||||
|
||||
const int32_t xspan=tilesizx[tilenum], xrepeat=spr->xrepeat;
|
||||
const int32_t yspan=tilesizy[tilenum], yrepeat=spr->yrepeat;
|
||||
|
||||
int32_t xoff = picanm[tilenum].xofs + spr->xoffset;
|
||||
int32_t yoff = picanm[tilenum].yofs + spr->yoffset;
|
||||
int32_t k, l, dax, day;
|
||||
|
||||
if (spr->cstat&4)
|
||||
xoff = -xoff;
|
||||
if (spr->cstat&8)
|
||||
yoff = -yoff;
|
||||
|
||||
dax = ((xspan>>1)+xoff)*xrepeat;
|
||||
day = ((yspan>>1)+yoff)*yrepeat;
|
||||
|
||||
*x1 += dmulscale16(sinang,dax, cosang,day) - px;
|
||||
*y1 += dmulscale16(sinang,day, -cosang,dax) - py;
|
||||
|
||||
l = xspan*xrepeat;
|
||||
*x2 = *x1 - mulscale16(sinang,l);
|
||||
*y2 = *y1 + mulscale16(cosang,l);
|
||||
|
||||
l = yspan*yrepeat;
|
||||
k = -mulscale16(cosang,l); *x3 = *x2+k; *x4 = *x1+k;
|
||||
k = -mulscale16(sinang,l); *y3 = *y2+k; *y4 = *y1+k;
|
||||
}
|
||||
|
||||
static int32_t get_flatspr_clipyou(int32_t x1, int32_t x2, int32_t x3, int32_t x4,
|
||||
int32_t y1, int32_t y2, int32_t y3, int32_t y4)
|
||||
{
|
||||
int32_t clipyou = 0;
|
||||
|
||||
if ((y1^y2) < 0)
|
||||
{
|
||||
if ((x1^x2) < 0) clipyou ^= (x1*y2 < x2*y1)^(y1<y2);
|
||||
else if (x1 >= 0) clipyou ^= 1;
|
||||
}
|
||||
if ((y2^y3) < 0)
|
||||
{
|
||||
if ((x2^x3) < 0) clipyou ^= (x2*y3 < x3*y2)^(y2<y3);
|
||||
else if (x2 >= 0) clipyou ^= 1;
|
||||
}
|
||||
if ((y3^y4) < 0)
|
||||
{
|
||||
if ((x3^x4) < 0) clipyou ^= (x3*y4 < x4*y3)^(y3<y4);
|
||||
else if (x3 >= 0) clipyou ^= 1;
|
||||
}
|
||||
if ((y4^y1) < 0)
|
||||
{
|
||||
if ((x4^x1) < 0) clipyou ^= (x4*y1 < x1*y4)^(y4<y1);
|
||||
else if (x4 >= 0) clipyou ^= 1;
|
||||
}
|
||||
|
||||
return clipyou;
|
||||
}
|
||||
|
||||
//
|
||||
// hitscan
|
||||
|
|
@ -11273,7 +11361,7 @@ int32_t hitscan(const vec3_t *sv, int16_t sectnum, int32_t vx, int32_t vy, int32
|
|||
hitdata_t *hit, uint32_t cliptype)
|
||||
{
|
||||
int32_t x1, y1=0, z1=0, x2, y2, intx, inty, intz;
|
||||
int32_t i, k, l, daz;
|
||||
int32_t i, k, daz;
|
||||
int16_t tempshortcnt, tempshortnum;
|
||||
|
||||
spritetype *curspr = NULL;
|
||||
|
|
@ -11421,7 +11509,7 @@ restart_grand:
|
|||
for (z=headspritesect[dasector]; z>=0; z=nextspritesect[z])
|
||||
{
|
||||
const spritetype *const spr = &sprite[z];
|
||||
int32_t cstat = spr->cstat;
|
||||
const int32_t cstat = spr->cstat;
|
||||
#ifdef USE_OPENGL
|
||||
if (!hitallsprites)
|
||||
#endif
|
||||
|
|
@ -11464,7 +11552,8 @@ restart_grand:
|
|||
intx = sv->x + scale(vx,topt,bot);
|
||||
inty = sv->y + scale(vy,topt,bot);
|
||||
|
||||
if (klabs(intx-sv->x)+klabs(inty-sv->y) > klabs((hit->pos.x)-sv->x)+klabs((hit->pos.y)-sv->y)) continue;
|
||||
if (klabs(intx-sv->x)+klabs(inty-sv->y) > klabs((hit->pos.x)-sv->x)+klabs((hit->pos.y)-sv->y))
|
||||
continue;
|
||||
|
||||
hit->sect = dasector; hit->wall = -1; hit->sprite = z;
|
||||
hit->pos.x = intx; hit->pos.y = inty; hit->pos.z = intz;
|
||||
|
|
@ -11475,17 +11564,8 @@ restart_grand:
|
|||
{
|
||||
int32_t ucoefup16;
|
||||
const int32_t tilenum = spr->picnum;
|
||||
int32_t xoff, dax, day;
|
||||
|
||||
//These lines get the 2 points of the rotated sprite
|
||||
//Given: (x1, y1) starts out as the center point
|
||||
xoff = picanm[tilenum].xofs + spr->xoffset;
|
||||
if ((cstat&4) > 0) xoff = -xoff;
|
||||
k = spr->ang; l = spr->xrepeat;
|
||||
dax = sintable[k&2047]*l; day = sintable[(k+1536)&2047]*l;
|
||||
l = tilesizx[tilenum]; k = (l>>1)+xoff;
|
||||
x1 -= mulscale16(dax,k); x2 = x1+mulscale16(dax,l);
|
||||
y1 -= mulscale16(day,k); y2 = y1+mulscale16(day,l);
|
||||
get_rotspr_points(spr, &x1, &x2, &y1, &y2);
|
||||
|
||||
if ((cstat&64) != 0) //back side of 1-way sprite
|
||||
if ((int64_t)(x1-sv->x)*(y2-sv->y) < (int64_t)(x2-sv->x)*(y1-sv->y)) continue;
|
||||
|
|
@ -11493,7 +11573,8 @@ restart_grand:
|
|||
ucoefup16 = rintersect(sv->x,sv->y,sv->z,vx,vy,vz,x1,y1,x2,y2,&intx,&inty,&intz);
|
||||
if (ucoefup16 == -1) continue;
|
||||
|
||||
if (klabs(intx-sv->x)+klabs(inty-sv->y) > klabs((hit->pos.x)-sv->x)+klabs((hit->pos.y)-sv->y)) continue;
|
||||
if (klabs(intx-sv->x)+klabs(inty-sv->y) > klabs((hit->pos.x)-sv->x)+klabs((hit->pos.y)-sv->y))
|
||||
continue;
|
||||
|
||||
daz = spr->z + spriteheightofs(z, &k, 1);
|
||||
if (intz > daz-k && intz < daz)
|
||||
|
|
@ -11519,8 +11600,6 @@ restart_grand:
|
|||
case 32:
|
||||
{
|
||||
char clipyou;
|
||||
int32_t ang, sinang, cosang, xspan, yspan, xrepeat, yrepeat;
|
||||
int32_t tilenum, xoff, yoff, dax, day;
|
||||
int32_t x3, y3, x4, y4, zz;
|
||||
|
||||
if (vz == 0) continue;
|
||||
|
|
@ -11543,52 +11622,15 @@ restart_grand:
|
|||
inty = sv->y+scale(intz-sv->z,vy,vz);
|
||||
#endif
|
||||
|
||||
if (klabs(intx-sv->x)+klabs(inty-sv->y) > klabs((hit->pos.x)-sv->x)+klabs((hit->pos.y)-sv->y)) continue;
|
||||
if (klabs(intx-sv->x)+klabs(inty-sv->y) > klabs((hit->pos.x)-sv->x)+klabs((hit->pos.y)-sv->y))
|
||||
continue;
|
||||
|
||||
tilenum = spr->picnum;
|
||||
xoff = picanm[tilenum].xofs + spr->xoffset;
|
||||
yoff = picanm[tilenum].yofs + spr->yoffset;
|
||||
if ((cstat&4) > 0) xoff = -xoff;
|
||||
if ((cstat&8) > 0) yoff = -yoff;
|
||||
get_flatspr_points(spr, intx, inty, &x1, &x2, &x3, &x4,
|
||||
&y1, &y2, &y3, &y4);
|
||||
|
||||
ang = spr->ang&2047; // FIXME ? See DNE_BUG_HERE
|
||||
cosang = sintable[(ang+512)&2047]; sinang = sintable[ang];
|
||||
xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat;
|
||||
yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat;
|
||||
clipyou = get_flatspr_clipyou(x1, x2, x3, x4, y1, y2, y3, y4);
|
||||
|
||||
dax = ((xspan>>1)+xoff)*xrepeat; day = ((yspan>>1)+yoff)*yrepeat;
|
||||
x1 += dmulscale16(sinang,dax,cosang,day)-intx;
|
||||
y1 += dmulscale16(sinang,day,-cosang,dax)-inty;
|
||||
l = xspan*xrepeat;
|
||||
x2 = x1 - mulscale16(sinang,l);
|
||||
y2 = y1 + mulscale16(cosang,l);
|
||||
l = yspan*yrepeat;
|
||||
k = -mulscale16(cosang,l); x3 = x2+k; x4 = x1+k;
|
||||
k = -mulscale16(sinang,l); y3 = y2+k; y4 = y1+k;
|
||||
|
||||
clipyou = 0;
|
||||
if ((y1^y2) < 0)
|
||||
{
|
||||
if ((x1^x2) < 0) clipyou ^= (x1*y2<x2*y1)^(y1<y2);
|
||||
else if (x1 >= 0) clipyou ^= 1;
|
||||
}
|
||||
if ((y2^y3) < 0)
|
||||
{
|
||||
if ((x2^x3) < 0) clipyou ^= (x2*y3<x3*y2)^(y2<y3);
|
||||
else if (x2 >= 0) clipyou ^= 1;
|
||||
}
|
||||
if ((y3^y4) < 0)
|
||||
{
|
||||
if ((x3^x4) < 0) clipyou ^= (x3*y4<x4*y3)^(y3<y4);
|
||||
else if (x3 >= 0) clipyou ^= 1;
|
||||
}
|
||||
if ((y4^y1) < 0)
|
||||
{
|
||||
if ((x4^x1) < 0) clipyou ^= (x4*y1<x1*y4)^(y4<y1);
|
||||
else if (x4 >= 0) clipyou ^= 1;
|
||||
}
|
||||
|
||||
if (clipyou != 0)
|
||||
if (clipyou)
|
||||
{
|
||||
hit->sect = dasector; hit->wall = -1; hit->sprite = z;
|
||||
hit->pos.x = intx; hit->pos.y = inty; hit->pos.z = intz;
|
||||
|
|
@ -12121,7 +12163,7 @@ int32_t clipmove(vec3_t *pos, int16_t *sectnum,
|
|||
int32_t walldist, int32_t ceildist, int32_t flordist, uint32_t cliptype)
|
||||
{
|
||||
const sectortype *sec2;
|
||||
int32_t i, j, k, l, tempint1, tempint2;
|
||||
int32_t i, j, k, tempint1, tempint2;
|
||||
int32_t x1, y1, x2, y2;
|
||||
int32_t dax, day, daz, daz2;
|
||||
int32_t hitwall, cnt, retval=0;
|
||||
|
|
@ -12350,18 +12392,7 @@ int32_t clipmove(vec3_t *pos, int16_t *sectnum,
|
|||
daz += ceildist; daz2 -= flordist;
|
||||
if (((pos->z) < daz) && ((pos->z) > daz2))
|
||||
{
|
||||
int32_t tilenum, xoff;
|
||||
|
||||
//These lines get the 2 points of the rotated sprite
|
||||
//Given: (x1, y1) starts out as the center point
|
||||
tilenum = spr->picnum;
|
||||
xoff = picanm[tilenum].xofs + spr->xoffset;
|
||||
if ((cstat&4) > 0) xoff = -xoff;
|
||||
k = spr->ang; l = spr->xrepeat;
|
||||
dax = sintable[k&2047]*l; day = sintable[(k+1536)&2047]*l;
|
||||
l = tilesizx[tilenum]; k = (l>>1)+xoff;
|
||||
x1 -= mulscale16(dax,k); x2 = x1+mulscale16(dax,l);
|
||||
y1 -= mulscale16(day,k); y2 = y1+mulscale16(day,l);
|
||||
get_rotspr_points(spr, &x1, &x2, &y1, &y2);
|
||||
|
||||
if (clipinsideboxline(cx,cy,x1,y1,x2,y2,rad) != 0)
|
||||
{
|
||||
|
|
@ -12393,33 +12424,14 @@ int32_t clipmove(vec3_t *pos, int16_t *sectnum,
|
|||
daz2 = spr->z-flordist;
|
||||
if (((pos->z) < daz) && ((pos->z) > daz2))
|
||||
{
|
||||
int32_t cosang, sinang, xspan, yspan, xrepeat, yrepeat;
|
||||
int32_t tilenum, xoff, yoff;
|
||||
|
||||
if ((cstat&64) != 0)
|
||||
if ((pos->z > spr->z) == ((cstat&8)==0))
|
||||
continue;
|
||||
|
||||
tilenum = spr->picnum;
|
||||
xoff = picanm[tilenum].xofs + spr->xoffset;
|
||||
yoff = picanm[tilenum].yofs + spr->yoffset;
|
||||
if ((cstat&4) > 0) xoff = -xoff;
|
||||
if ((cstat&8) > 0) yoff = -yoff;
|
||||
|
||||
k = spr->ang&2047; // FIXME ? See DNE_BUG_HERE
|
||||
cosang = sintable[(k+512)&2047]; sinang = sintable[k];
|
||||
xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat;
|
||||
yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat;
|
||||
|
||||
dax = ((xspan>>1)+xoff)*xrepeat; day = ((yspan>>1)+yoff)*yrepeat;
|
||||
rxi[0] = x1 + dmulscale16(sinang,dax,cosang,day);
|
||||
ryi[0] = y1 + dmulscale16(sinang,day,-cosang,dax);
|
||||
l = xspan*xrepeat;
|
||||
rxi[1] = rxi[0] - mulscale16(sinang,l);
|
||||
ryi[1] = ryi[0] + mulscale16(cosang,l);
|
||||
l = yspan*yrepeat;
|
||||
k = -mulscale16(cosang,l); rxi[2] = rxi[1]+k; rxi[3] = rxi[0]+k;
|
||||
k = -mulscale16(sinang,l); ryi[2] = ryi[1]+k; ryi[3] = ryi[0]+k;
|
||||
rxi[0] = x1;
|
||||
rxi[1] = y1;
|
||||
get_flatspr_points(spr, 0, 0, &rxi[0], &rxi[1], &rxi[2], &rxi[3],
|
||||
&ryi[0], &ryi[1], &ryi[2], &ryi[3]);
|
||||
|
||||
dax = mulscale14(sintable[(spr->ang-256+512)&2047],walldist);
|
||||
day = mulscale14(sintable[(spr->ang-256)&2047],walldist);
|
||||
|
|
@ -13016,7 +13028,7 @@ void getzrange(const vec3_t *pos, int16_t sectnum,
|
|||
{
|
||||
int32_t clipsectcnt;
|
||||
int32_t dax, day, daz, daz2;
|
||||
int32_t i, j, k, l, dx, dy;
|
||||
int32_t i, j, k, dx, dy;
|
||||
int32_t x1, y1, x2, y2;
|
||||
|
||||
#ifdef YAX_ENABLE
|
||||
|
|
@ -13236,9 +13248,10 @@ restart_grand:
|
|||
{
|
||||
const spritetype *const spr = &sprite[j];
|
||||
const int32_t cstat = spr->cstat;
|
||||
|
||||
if (cstat&dasprclipmask)
|
||||
{
|
||||
int32_t clipyou;
|
||||
int32_t clipyou = 0;
|
||||
|
||||
#ifdef HAVE_CLIPSHAPE_FEATURE
|
||||
if (clipsprite_try(spr, xmin,ymin, xmax,ymax))
|
||||
|
|
@ -13246,7 +13259,6 @@ restart_grand:
|
|||
#endif
|
||||
x1 = spr->x; y1 = spr->y;
|
||||
|
||||
clipyou = 0;
|
||||
switch (cstat&48)
|
||||
{
|
||||
case 0:
|
||||
|
|
@ -13258,18 +13270,11 @@ restart_grand:
|
|||
clipyou = 1;
|
||||
}
|
||||
break;
|
||||
|
||||
case 16:
|
||||
{
|
||||
int32_t tilenum, xoff;
|
||||
get_rotspr_points(spr, &x1, &x2, &y1, &y2);
|
||||
|
||||
tilenum = spr->picnum;
|
||||
xoff = picanm[tilenum].xofs + spr->xoffset;
|
||||
if ((cstat&4) > 0) xoff = -xoff;
|
||||
k = spr->ang; l = spr->xrepeat;
|
||||
dax = sintable[k&2047]*l; day = sintable[(k+1536)&2047]*l;
|
||||
l = tilesizx[tilenum]; k = (l>>1)+xoff;
|
||||
x1 -= mulscale16(dax,k); x2 = x1+mulscale16(dax,l);
|
||||
y1 -= mulscale16(day,k); y2 = y1+mulscale16(day,l);
|
||||
if (clipinsideboxline(pos->x,pos->y,x1,y1,x2,y2,walldist+1) != 0)
|
||||
{
|
||||
daz = spr->z + spriteheightofs(j, &k, 1);
|
||||
|
|
@ -13281,8 +13286,6 @@ restart_grand:
|
|||
|
||||
case 32:
|
||||
{
|
||||
int32_t ang, cosang, sinang;
|
||||
int32_t tilenum, xoff, yoff, xspan, yspan, xrepeat, yrepeat;
|
||||
int32_t x3, y3, x4, y4;
|
||||
|
||||
daz = spr->z; daz2 = daz;
|
||||
|
|
@ -13290,55 +13293,15 @@ restart_grand:
|
|||
if ((cstat&64) != 0)
|
||||
if ((pos->z > daz) == ((cstat&8)==0)) continue;
|
||||
|
||||
tilenum = spr->picnum;
|
||||
xoff = picanm[tilenum].xofs + spr->xoffset;
|
||||
yoff = picanm[tilenum].yofs + spr->yoffset;
|
||||
if ((cstat&4) > 0) xoff = -xoff;
|
||||
if ((cstat&8) > 0) yoff = -yoff;
|
||||
|
||||
// &2047: FIXME ? DNE_BUG_HERE
|
||||
// DNE 1.3D lights camera action (1st level), spr->ang==2306
|
||||
ang = spr->ang&2047;
|
||||
|
||||
cosang = sintable[(ang+512)&2047]; sinang = sintable[ang];
|
||||
xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat;
|
||||
yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat;
|
||||
|
||||
dax = ((xspan>>1)+xoff)*xrepeat; day = ((yspan>>1)+yoff)*yrepeat;
|
||||
x1 += dmulscale16(sinang,dax,cosang,day)-pos->x;
|
||||
y1 += dmulscale16(sinang,day,-cosang,dax)-pos->y;
|
||||
l = xspan*xrepeat;
|
||||
x2 = x1 - mulscale16(sinang,l);
|
||||
y2 = y1 + mulscale16(cosang,l);
|
||||
l = yspan*yrepeat;
|
||||
k = -mulscale16(cosang,l); x3 = x2+k; x4 = x1+k;
|
||||
k = -mulscale16(sinang,l); y3 = y2+k; y4 = y1+k;
|
||||
get_flatspr_points(spr, pos->x, pos->y, &x1, &x2, &x3, &x4,
|
||||
&y1, &y2, &y3, &y4);
|
||||
|
||||
dax = mulscale14(sintable[(spr->ang-256+512)&2047],walldist+4);
|
||||
day = mulscale14(sintable[(spr->ang-256)&2047],walldist+4);
|
||||
x1 += dax; x2 -= day; x3 -= dax; x4 += day;
|
||||
y1 += day; y2 += dax; y3 -= day; y4 -= dax;
|
||||
|
||||
if ((y1^y2) < 0)
|
||||
{
|
||||
if ((x1^x2) < 0) clipyou ^= (x1*y2<x2*y1)^(y1<y2);
|
||||
else if (x1 >= 0) clipyou ^= 1;
|
||||
}
|
||||
if ((y2^y3) < 0)
|
||||
{
|
||||
if ((x2^x3) < 0) clipyou ^= (x2*y3<x3*y2)^(y2<y3);
|
||||
else if (x2 >= 0) clipyou ^= 1;
|
||||
}
|
||||
if ((y3^y4) < 0)
|
||||
{
|
||||
if ((x3^x4) < 0) clipyou ^= (x3*y4<x4*y3)^(y3<y4);
|
||||
else if (x3 >= 0) clipyou ^= 1;
|
||||
}
|
||||
if ((y4^y1) < 0)
|
||||
{
|
||||
if ((x4^x1) < 0) clipyou ^= (x4*y1<x1*y4)^(y4<y1);
|
||||
else if (x4 >= 0) clipyou ^= 1;
|
||||
}
|
||||
clipyou = get_flatspr_clipyou(x1, x2, x3, x4, y1, y2, y3, y4);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue