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Polymer: bring the ypanning correction for non-pow2 walls closer to Pmost's, pt1

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This makes the corrections conditional on where they appear in (under-, over-,
white or mask wall).

git-svn-id: https://svn.eduke32.com/eduke32@2821 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2012-07-09 19:00:14 +00:00
parent 6bafc7d176
commit fe1a5fe2a6
2 changed files with 17 additions and 7 deletions
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20
polymer/eduke32/build/src/polymer.c
View file

@ -2721,14 +2721,16 @@ static int32_t polymer_initwall(int16_t wallnum)
return (1);
}
static float calc_ypancoef(char curypanning, int16_t curpicnum)
static float calc_ypancoef(char curypanning, int16_t curpicnum, int32_t dopancor)
{
float ypancoef = (float)(pow2long[picsiz[curpicnum] >> 4]);
if (ypancoef < tilesizy[curpicnum])
ypancoef *= 2;
if (curypanning > 256 - (ypancoef - tilesizy[curpicnum]) * (256.0f / ypancoef))
curypanning -= (ypancoef - tilesizy[curpicnum]) * (256.0f / ypancoef);
if (dopancor)
if (curypanning > 256 - (ypancoef - tilesizy[curpicnum]) * (256.0f / ypancoef))
curypanning -= (ypancoef - tilesizy[curpicnum]) * (256.0f / ypancoef);
ypancoef *= (float)curypanning / (256.0f * (float)tilesizy[curpicnum]);
@ -2875,7 +2877,8 @@ static void polymer_updatewall(int16_t wallnum)
}
if (wal->ypanning)
ypancoef = calc_ypancoef(wal->ypanning, curpicnum);
// white
ypancoef = calc_ypancoef(wal->ypanning, curpicnum, !(wal->cstat & 4));
else
ypancoef = 0;
@ -2940,7 +2943,8 @@ static void polymer_updatewall(int16_t wallnum)
yref = nsec->floorz;
if (curypanning)
ypancoef = calc_ypancoef(curypanning, curpicnum);
// under
ypancoef = calc_ypancoef(curypanning, curpicnum, !(wall[nwallnum].cstat & 4));
else
ypancoef = 0;
@ -3020,7 +3024,8 @@ static void polymer_updatewall(int16_t wallnum)
yref = nsec->ceilingz;
if (wal->ypanning)
ypancoef = calc_ypancoef(wal->ypanning, curpicnum);
// over
ypancoef = calc_ypancoef(wal->ypanning, curpicnum, wal->cstat & 4);
else
ypancoef = 0;
@ -3065,7 +3070,8 @@ static void polymer_updatewall(int16_t wallnum)
curpicnum = walloverpicnum;
if (wal->ypanning)
ypancoef = calc_ypancoef(wal->ypanning, curpicnum);
// mask
ypancoef = calc_ypancoef(wal->ypanning, curpicnum, 0);
else
ypancoef = 0;

4
polymer/eduke32/build/src/polymost.c
View file

@ -4082,6 +4082,7 @@ static void polymost_drawalls(int32_t bunch)
if (!(wal->cstat&4)) i = sector[nextsectnum].ceilingz; else i = sec->ceilingz;
// over
calc_ypanning(i, ryp0, ryp1, x0, x1, wal->ypanning, wal->yrepeat, wal->cstat&4);
if (wal->cstat&8) //xflip
@ -4118,6 +4119,7 @@ static void polymost_drawalls(int32_t bunch)
if (!(nwal->cstat&4)) i = sector[nextsectnum].floorz; else i = sec->ceilingz;
// under
calc_ypanning(i, ryp0, ryp1, x0, x1, nwal->ypanning, wal->yrepeat, !(nwal->cstat&4));
if (wal->cstat&8) //xflip
@ -4150,6 +4152,7 @@ static void polymost_drawalls(int32_t bunch)
if (nextsectnum >= 0) { if (!(wal->cstat&4)) i = nextsec->ceilingz; else i = sec->ceilingz; }
else { if (!(wal->cstat&4)) i = sec->ceilingz; else i = sec->floorz; }
// white
calc_ypanning(i, ryp0, ryp1, x0, x1, wal->ypanning, wal->yrepeat, !(wal->cstat&4));
if (wal->cstat&8) //xflip
@ -4717,6 +4720,7 @@ void polymost_drawmaskwall(int32_t damaskwallcnt)
if (!(wal->cstat&4)) i = z1; else i = z2;
// mask
calc_ypanning(i, ryp0, ryp1, x0, x1, wal->ypanning, wal->yrepeat, 0);
if (wal->cstat&8) //xflip