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Polymer: fix centering of y-flipped wall sprites. (Case D in test_tileoffsets.) 

git-svn-id: https://svn.eduke32.com/eduke32@3779 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2013-05-16 21:54:58 +00:00
parent 946d207c56
commit 6e364b1f4b
1 changed files with 11 additions and 5 deletions
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16
polymer/eduke32/build/src/polymer.c
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@ -3546,7 +3546,8 @@ static inline void polymer_scansprites(int16_t sectnum, spritetype* localtsprit
void polymer_updatesprite(int32_t snum)
{
int32_t curpicnum, xsize, ysize, tilexoff, tileyoff, xoff, yoff, i, j;
int32_t curpicnum, xsize, ysize, i, j;
int32_t tilexoff, tileyoff, xoff, yoff, centeryoff=0;
spritetype *tspr = tspriteptr[snum];
float xratio, yratio, ang, f;
float spos[3];
@ -3556,6 +3557,7 @@ void polymer_updatesprite(int32_t snum)
const uint32_t cs = tspr->cstat;
const uint32_t alignmask = (cs & SPR_ALIGN_MASK);
const uint8_t flooraligned = (alignmask==SPR_FLOOR);
if (pr_verbosity >= 3) OSD_Printf("PR : Updating sprite %i...\n", snum);
@ -3648,8 +3650,13 @@ void polymer_updatesprite(int32_t snum)
xoff = (int32_t)(tilexoff * xratio);
yoff = (int32_t)(tileyoff * yratio);
if ((tspr->cstat & 128) && (((tspr->cstat>>4) & 3) != 2))
yoff -= ysize / 2;
if ((tspr->cstat & 128) && !flooraligned)
{
if (alignmask == 0)
yoff -= ysize / 2;
else
centeryoff = ysize / 2;
}
spos[0] = (float)tspr->y;
spos[1] = -(float)(tspr->z) / 16.0f;
@ -3664,7 +3671,6 @@ void polymer_updatesprite(int32_t snum)
{
const uint8_t xflip = !!(cs & SPR_XFLIP);
const uint8_t yflip = !!(cs & SPR_YFLIP);
const uint8_t flooraligned = (alignmask==SPR_FLOOR);
// Initially set flipu and flipv.
flipu = (xflip ^ flooraligned);
@ -3700,7 +3706,7 @@ void polymer_updatesprite(int32_t snum)
bglTranslatef(spos[0], spos[1], spos[2]);
bglRotatef(-ang, 0.0f, 1.0f, 0.0f);
bglTranslatef((float)(-xoff), (float)(yoff), 0.0f);
bglTranslatef((float)(-xoff), (float)(yoff-centeryoff), 0.0f);
bglScalef((float)(xsize), (float)(ysize), 1.0f);
break;
case SPR_FLOOR: