From e333dd62f021d2311735ee1d53d02f6f4050bb5a Mon Sep 17 00:00:00 2001 From: toasterbabe Date: Mon, 10 Apr 2017 11:34:56 +0100 Subject: [PATCH] I did it!!!!!!!!!!!!!!!!!!!!!! --- src/r_plane.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/src/r_plane.c b/src/r_plane.c index ae4e5369c..209d29495 100644 --- a/src/r_plane.c +++ b/src/r_plane.c @@ -963,32 +963,32 @@ void R_DrawSinglePlane(visplane_t *pl) yoffs *= 1; - if (hack != 0) + if (hack) { const fixed_t cosinecomponent = FINECOSINE(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 oy = (-FixedMul(pl->slope->o.x,sinecomponent) & mod) + (FixedMul(pl->slope->o.y,cosinecomponent) & 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) & modmask) - (FixedMul(pl->slope->o.y,cosinecomponent) & modmask); - temp = ox & mod; - oy &= mod; + temp = ox & modmask; + oy &= modmask; ox = FixedMul(temp,cosinecomponent)+FixedMul(oy,-sinecomponent); // negative sine for opposite direction oy = -FixedMul(temp,-sinecomponent)+FixedMul(oy,cosinecomponent); temp = xoffs; - xoffs = (FixedMul(xoffs,cosinecomponent) & mod) + (FixedMul(yoffs,sinecomponent) & mod); - yoffs = (-FixedMul(temp,sinecomponent) & mod) + (FixedMul(yoffs,cosinecomponent) & mod); + xoffs = (FixedMul(temp,cosinecomponent) & modmask) + (FixedMul(yoffs,sinecomponent) & modmask); + yoffs = (-FixedMul(temp,sinecomponent) & modmask) + (FixedMul(yoffs,cosinecomponent) & modmask); - temp = xoffs & mod; - yoffs &= mod; + temp = xoffs & modmask; + yoffs &= modmask; xoffs = FixedMul(temp,cosinecomponent)+FixedMul(yoffs,-sinecomponent); // ditto yoffs = -FixedMul(temp,-sinecomponent)+FixedMul(yoffs,cosinecomponent); xoffs -= (pl->slope->o.x - ox); - yoffs += (pl->slope->o.y - oy); + yoffs += (pl->slope->o.y + oy); } else {