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I did it!!!!!!!!!!!!!!!!!!!!!!

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toasterbabe 2017-04-10 11:34:56 +01:00
parent 8ee8bd532b
commit e333dd62f0
1 changed files with 11 additions and 11 deletions
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22
src/r_plane.c
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@ -963,32 +963,32 @@ void R_DrawSinglePlane(visplane_t *pl)
yoffs *= 1; yoffs *= 1;
if (hack != 0) if (hack)
{ {
const fixed_t cosinecomponent = FINECOSINE(hack>>ANGLETOFINESHIFT); const fixed_t cosinecomponent = FINECOSINE(hack>>ANGLETOFINESHIFT);
const fixed_t sinecomponent = FINESINE(hack>>ANGLETOFINESHIFT); const fixed_t sinecomponent = FINESINE(hack>>ANGLETOFINESHIFT);
const fixed_t mod = ((1 << (32-nflatshiftup)) - 1); const fixed_t modmask = ((1 << (32-nflatshiftup)) - 1);
fixed_t ox = (FixedMul(pl->slope->o.x,cosinecomponent) & mod) + (FixedMul(pl->slope->o.y,sinecomponent) & mod) + (1 << (31-nflatshiftup)); fixed_t ox = (FixedMul(pl->slope->o.x,cosinecomponent) & modmask) - (FixedMul(pl->slope->o.y,sinecomponent) & modmask);
fixed_t oy = (-FixedMul(pl->slope->o.x,sinecomponent) & mod) + (FixedMul(pl->slope->o.y,cosinecomponent) & mod) + (1 << (31-nflatshiftup)); fixed_t oy = (-FixedMul(pl->slope->o.x,sinecomponent) & modmask) - (FixedMul(pl->slope->o.y,cosinecomponent) & modmask);
temp = ox & mod; temp = ox & modmask;
oy &= mod; oy &= modmask;
ox = FixedMul(temp,cosinecomponent)+FixedMul(oy,-sinecomponent); // negative sine for opposite direction ox = FixedMul(temp,cosinecomponent)+FixedMul(oy,-sinecomponent); // negative sine for opposite direction
oy = -FixedMul(temp,-sinecomponent)+FixedMul(oy,cosinecomponent); oy = -FixedMul(temp,-sinecomponent)+FixedMul(oy,cosinecomponent);
temp = xoffs; temp = xoffs;
xoffs = (FixedMul(xoffs,cosinecomponent) & mod) + (FixedMul(yoffs,sinecomponent) & mod); xoffs = (FixedMul(temp,cosinecomponent) & modmask) + (FixedMul(yoffs,sinecomponent) & modmask);
yoffs = (-FixedMul(temp,sinecomponent) & mod) + (FixedMul(yoffs,cosinecomponent) & mod); yoffs = (-FixedMul(temp,sinecomponent) & modmask) + (FixedMul(yoffs,cosinecomponent) & modmask);
temp = xoffs & mod; temp = xoffs & modmask;
yoffs &= mod; yoffs &= modmask;
xoffs = FixedMul(temp,cosinecomponent)+FixedMul(yoffs,-sinecomponent); // ditto xoffs = FixedMul(temp,cosinecomponent)+FixedMul(yoffs,-sinecomponent); // ditto
yoffs = -FixedMul(temp,-sinecomponent)+FixedMul(yoffs,cosinecomponent); yoffs = -FixedMul(temp,-sinecomponent)+FixedMul(yoffs,cosinecomponent);
xoffs -= (pl->slope->o.x - ox); xoffs -= (pl->slope->o.x - ox);
yoffs += (pl->slope->o.y - oy); yoffs += (pl->slope->o.y + oy);
} }
else else
{ {