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engine.c: factor out two instances of dup code into setup_globals_sprite1()

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git-svn-id: https://svn.eduke32.com/eduke32@2782 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2012-06-26 19:49:48 +00:00
parent fde3e99f06
commit b9dd289800
1 changed files with 40 additions and 50 deletions
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90
polymer/eduke32/build/src/engine.c
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@ -5311,6 +5311,44 @@ static void drawvox(int32_t dasprx, int32_t daspry, int32_t dasprz, int32_t dasp
enddrawing(); //}}}
}
static void setup_globals_sprite1(const spritetype *tspr, const sectortype *sec,
int32_t yspan, int32_t yoff, int32_t tilenum,
int32_t cstat, int32_t *z1ptr, int32_t *z2ptr)
{
int32_t z1, z2 = tspr->z - ((yoff*tspr->yrepeat)<<2);
if (cstat&128)
{
z2 += ((yspan*tspr->yrepeat)<<1);
if (yspan&1) z2 += (tspr->yrepeat<<1); //Odd yspans
}
z1 = z2 - ((yspan*tspr->yrepeat)<<2);
globalorientation = 0;
globalpicnum = tilenum;
if ((unsigned)globalpicnum >= MAXTILES) globalpicnum = 0;
globalxpanning = 0;
globalypanning = 0;
globvis = globalvisibility;
if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16)));
globalshiftval = (picsiz[globalpicnum]>>4);
if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++;
globalshiftval = 32-globalshiftval;
globalyscale = divscale(512,tspr->yrepeat,globalshiftval-19);
globalzd = ((int64_t)(globalposz-z1)*globalyscale)<<8;
if ((cstat&8) > 0)
{
globalyscale = -globalyscale;
globalzd = ((int64_t)(globalposz-z2)*globalyscale)<<8;
}
*z1ptr = z1;
*z2ptr = z2;
}
//
// drawsprite (internal)
//
@ -5524,31 +5562,7 @@ draw_as_face_sprite:
searchstat = 3; searchit = 1;
}
z2 = tspr->z - ((yoff*tspr->yrepeat)<<2);
if (cstat&128)
{
z2 += ((yspan*tspr->yrepeat)<<1);
if (yspan&1) z2 += (tspr->yrepeat<<1); //Odd yspans
}
z1 = z2 - ((yspan*tspr->yrepeat)<<2);
globalorientation = 0;
globalpicnum = tilenum;
if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0;
globalxpanning = 0L;
globalypanning = 0L;
globvis = globalvisibility;
if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16)));
globalshiftval = (picsiz[globalpicnum]>>4);
if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++;
globalshiftval = 32-globalshiftval;
globalyscale = divscale(512,tspr->yrepeat,globalshiftval-19);
globalzd = (((globalposz-z1)*globalyscale)<<8);
if ((cstat&8) > 0)
{
globalyscale = -globalyscale;
globalzd = (((globalposz-z2)*globalyscale)<<8);
}
setup_globals_sprite1(tspr, sec, yspan, yoff, tilenum, cstat, &z1, &z2);
qinterpolatedown16((intptr_t)&lwall[lx],rx-lx+1,linum,linuminc);
clearbuf(&swall[lx],rx-lx+1,mulscale19(yp,xdimscale));
@ -5667,31 +5681,7 @@ draw_as_face_sprite:
hinc = divscale19(xdimenscale,yb2[MAXWALLSB-1]);
hinc = (hinc-hplc)/(xb2[MAXWALLSB-1]-xb1[MAXWALLSB-1]+1);
z2 = tspr->z - ((yoff*tspr->yrepeat)<<2);
if (cstat&128)
{
z2 += ((yspan*tspr->yrepeat)<<1);
if (yspan&1) z2 += (tspr->yrepeat<<1); //Odd yspans
}
z1 = z2 - ((yspan*tspr->yrepeat)<<2);
globalorientation = 0;
globalpicnum = tilenum;
if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0;
globalxpanning = 0L;
globalypanning = 0L;
globvis = globalvisibility;
if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16)));
globalshiftval = (picsiz[globalpicnum]>>4);
if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++;
globalshiftval = 32-globalshiftval;
globalyscale = divscale(512,tspr->yrepeat,globalshiftval-19);
globalzd = (((globalposz-z1)*globalyscale)<<8);
if ((cstat&8) > 0)
{
globalyscale = -globalyscale;
globalzd = (((globalposz-z2)*globalyscale)<<8);
}
setup_globals_sprite1(tspr, sec, yspan, yoff, tilenum, cstat, &z1, &z2);
if (((sec->ceilingstat&1) == 0) && (z1 < sec->ceilingz))
z1 = sec->ceilingz;