diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c index 23618bf0..fb5e2a71 100644 --- a/src/hardware/hw_main.c +++ b/src/hardware/hw_main.c @@ -2140,6 +2140,10 @@ static void HWR_StoreWallRange(double startfrac, double endfrac) else { fixed_t texturevpeg; + boolean attachtobottom = false; +#ifdef ESLOPE + boolean slopeskew = false; // skew FOF walls with slopes? +#endif // Wow, how was this missing from OpenGL for so long? // ...Oh well, anyway, Lower Unpegged now changes pegging of FOFs like in software @@ -2147,24 +2151,50 @@ static void HWR_StoreWallRange(double startfrac, double endfrac) if (newline) { texturevpeg = sides[newline->sidenum[0]].rowoffset; - if (newline->flags & ML_DONTPEGBOTTOM) - texturevpeg -= *rover->topheight - *rover->bottomheight; + attachtobottom = !!(newline->flags & ML_DONTPEGBOTTOM); +#ifdef ESLOPE + slopeskew = !!(newline->flags & ML_DONTPEGTOP); +#endif } else { texturevpeg = sides[rover->master->sidenum[0]].rowoffset; - if (gr_linedef->flags & ML_DONTPEGBOTTOM) - texturevpeg -= *rover->topheight - *rover->bottomheight; + attachtobottom = !!(gr_linedef->flags & ML_DONTPEGBOTTOM); +#ifdef ESLOPE + slopeskew = !!(rover->master->flags & ML_DONTPEGTOP); +#endif } grTex = HWR_GetTexture(texnum); #ifdef ESLOPE - wallVerts[3].t = (*rover->topheight - h + texturevpeg) * grTex->scaleY; - wallVerts[2].t = (*rover->topheight - hS + texturevpeg) * grTex->scaleY; - wallVerts[0].t = (*rover->topheight - l + texturevpeg) * grTex->scaleY; - wallVerts[1].t = (*rover->topheight - lS + texturevpeg) * grTex->scaleY; + if (!slopeskew) // no skewing + { + if (attachtobottom) + texturevpeg -= *rover->topheight - *rover->bottomheight; + wallVerts[3].t = (*rover->topheight - h + texturevpeg) * grTex->scaleY; + wallVerts[2].t = (*rover->topheight - hS + texturevpeg) * grTex->scaleY; + wallVerts[0].t = (*rover->topheight - l + texturevpeg) * grTex->scaleY; + wallVerts[1].t = (*rover->topheight - lS + texturevpeg) * grTex->scaleY; + } + else + { + if (!attachtobottom) // skew by top + { + wallVerts[3].t = wallVerts[2].t = texturevpeg * grTex->scaleY; + wallVerts[0].t = (h - l + texturevpeg) * grTex->scaleY; + wallVerts[1].t = (hS - lS + texturevpeg) * grTex->scaleY; + } + else // skew by bottom + { + wallVerts[0].t = wallVerts[1].t = texturevpeg * grTex->scaleY; + wallVerts[3].t = wallVerts[0].t - (h - l) * grTex->scaleY; + wallVerts[2].t = wallVerts[1].t - (hS - lS) * grTex->scaleY; + } + } #else + if (attachtobottom) + texturevpeg -= *rover->topheight - *rover->bottomheight; wallVerts[3].t = wallVerts[2].t = (*rover->topheight - h + texturevpeg) * grTex->scaleY; wallVerts[0].t = wallVerts[1].t = (*rover->topheight - l + texturevpeg) * grTex->scaleY; #endif diff --git a/src/r_segs.c b/src/r_segs.c index 8268f3aa..2122cba1 100644 --- a/src/r_segs.c +++ b/src/r_segs.c @@ -745,6 +745,12 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) // Render FOF sides kinda like normal sides, with the frac and step and everything // NOTE: INT64 instead of fixed_t because overflow concerns INT64 top_frac, top_step, bottom_frac, bottom_step; + // skew FOF walls with slopes? + boolean slopeskew = false; + fixed_t ffloortextureslide = 0; + INT32 oldx = -1; + fixed_t left_top, left_bottom; // needed here for slope skewing + pslope_t *skewslope = NULL; #endif void (*colfunc_2s) (column_t *); @@ -883,7 +889,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) { #ifdef ESLOPE SLOPEPARAMS(*light->caster->b_slope, leftheight, rightheight, *light->caster->bottomheight) - +#undef SLOPEPARAMS leftheight -= viewz; rightheight -= viewz; @@ -955,21 +961,71 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) mceilingclip = ds->sprtopclip; dc_texheight = textureheight[texnum]>>FRACBITS; +#ifdef ESLOPE + // calculate both left ends + if (*pfloor->t_slope) + left_top = P_GetZAt(*pfloor->t_slope, ds->leftpos.x, ds->leftpos.y) - viewz; + else + left_top = *pfloor->topheight - viewz; + + if (*pfloor->b_slope) + left_bottom = P_GetZAt(*pfloor->b_slope, ds->leftpos.x, ds->leftpos.y) - viewz; + else + left_bottom = *pfloor->bottomheight - viewz; + skewslope = *pfloor->t_slope; // skew using top slope by default + if (newline) + { + if (newline->flags & ML_DONTPEGTOP) + slopeskew = true; + } + else if (pfloor->master->flags & ML_DONTPEGTOP) + slopeskew = true; + + if (slopeskew) + dc_texturemid = left_top; + else +#endif dc_texturemid = *pfloor->topheight - viewz; if (newline) { offsetvalue = sides[newline->sidenum[0]].rowoffset; if (newline->flags & ML_DONTPEGBOTTOM) + { +#ifdef ESLOPE + skewslope = *pfloor->b_slope; // skew using bottom slope + if (slopeskew) + dc_texturemid = left_bottom; + else +#endif offsetvalue -= *pfloor->topheight - *pfloor->bottomheight; + } } else { offsetvalue = sides[pfloor->master->sidenum[0]].rowoffset; if (curline->linedef->flags & ML_DONTPEGBOTTOM) + { +#ifdef ESLOPE + skewslope = *pfloor->b_slope; // skew using bottom slope + if (slopeskew) + dc_texturemid = left_bottom; + else +#endif offsetvalue -= *pfloor->topheight - *pfloor->bottomheight; + } } +#ifdef ESLOPE + if (slopeskew) + { + angle_t lineangle = R_PointToAngle2(curline->v1->x, curline->v1->y, curline->v2->x, curline->v2->y); + + if (skewslope) + ffloortextureslide = FixedMul(skewslope->zdelta, FINECOSINE((lineangle-skewslope->xydirection)>>ANGLETOFINESHIFT)); + } +#endif + dc_texturemid += offsetvalue; // Texture must be cached before setting colfunc_2s, @@ -988,15 +1044,18 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) #ifdef ESLOPE // Set heights according to plane, or slope, whichever { - fixed_t left_top, right_top, left_bottom, right_bottom; + fixed_t right_top, right_bottom; - SLOPEPARAMS(*pfloor->t_slope, left_top, right_top, *pfloor->topheight) - SLOPEPARAMS(*pfloor->b_slope, left_bottom, right_bottom, *pfloor->bottomheight) -#undef SLOPEPARAMS - left_top -= viewz; - right_top -= viewz; - left_bottom -= viewz; - right_bottom -= viewz; + // calculate right ends now + if (*pfloor->t_slope) + right_top = P_GetZAt(*pfloor->t_slope, ds->rightpos.x, ds->rightpos.y) - viewz; + else + right_top = *pfloor->topheight - viewz; + + if (*pfloor->b_slope) + right_bottom = P_GetZAt(*pfloor->b_slope, ds->rightpos.x, ds->rightpos.y) - viewz; + else + right_bottom = *pfloor->bottomheight - viewz; // using INT64 to avoid 32bit overflow top_frac = (INT64)centeryfrac - (((INT64)left_top * ds->scale1) >> FRACBITS); @@ -1020,8 +1079,16 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) { if (maskedtexturecol[dc_x] != INT16_MAX) { +#ifdef ESLOPE + if (ffloortextureslide) { // skew FOF walls + if (oldx != -1) + dc_texturemid += FixedMul(ffloortextureslide, (maskedtexturecol[oldx]-maskedtexturecol[dc_x])< (INT64)CLAMPMAX) sprtopscreen = windowtop = CLAMPMAX; else if (top_frac > (INT64)CLAMPMIN) sprtopscreen = windowtop = (fixed_t)top_frac;