diff --git a/src/r_segs.c b/src/r_segs.c index 63c9799e0..1b78a22dd 100644 --- a/src/r_segs.c +++ b/src/r_segs.c @@ -2360,14 +2360,13 @@ static void R_DrawWallSplats(void) // way we don't have to store extra post_t info with each column for // multi-patch textures. They are not normally needed as multi-patch // textures don't have holes in it. At least not for now. -static INT32 column2s_length; // column->length : for multi-patch on 2sided wall = texture->height static void R_Render2sidedMultiPatchColumn(column_t *column) { INT32 topscreen, bottomscreen; topscreen = sprtopscreen; // + spryscale*column->topdelta; topdelta is 0 for the wall - bottomscreen = topscreen + spryscale * column2s_length; + bottomscreen = topscreen + spryscale * rw.column2s_length; dc_yl = (sprtopscreen+FRACUNIT-1)>>FRACBITS; dc_yh = (bottomscreen-1)>>FRACBITS; @@ -2403,7 +2402,7 @@ static void R_Render2sidedMultiPatchColumn(column_t *column) // uses column2s_length for texture->height as above static void R_DrawFlippedMaskedSegColumn(column_t *column) { - R_DrawFlippedMaskedColumn(column, column2s_length); + R_DrawFlippedMaskedColumn(column, rw.column2s_length); } void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2) @@ -2414,7 +2413,6 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2) fixed_t height, realbot; lightlist_t *light; r_lightlist_t *rlight; - void (*colfunc_2s)(column_t *); line_t *ldef; sector_t *front, *back; INT32 times, repeats; @@ -2483,16 +2481,16 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2) { if (textures[texnum]->flip & 2) // vertically flipped? { - colfunc_2s = R_DrawFlippedMaskedSegColumn; - column2s_length = textures[texnum]->height; + rw.colfunc_2s = R_DrawFlippedMaskedSegColumn; + rw.column2s_length = textures[texnum]->height; } else - colfunc_2s = R_DrawMaskedColumn; // render the usual 2sided single-patch packed texture + rw.colfunc_2s = R_DrawMaskedColumn; // render the usual 2sided single-patch packed texture } else { - colfunc_2s = R_Render2sidedMultiPatchColumn; // render multipatch with no holes (no post_t info) - column2s_length = textures[texnum]->height; + rw.colfunc_2s = R_Render2sidedMultiPatchColumn; // render multipatch with no holes (no post_t info) + rw.column2s_length = textures[texnum]->height; } // Setup lighting based on the presence/lack-of 3D floors. @@ -2741,7 +2739,7 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2) if (windowbottom >= realbot) { windowbottom = realbot; - colfunc_2s(col); + rw.colfunc_2s(col); for (i++; i < dc_numlights; i++) { rlight = &dc_lightlist[i]; @@ -2750,13 +2748,13 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2) continue; } - colfunc_2s(col); + rw.colfunc_2s(col); windowtop = windowbottom + 1; dc_colormap = rlight->rcolormap; } windowbottom = realbot; if (windowtop < windowbottom) - colfunc_2s(col); + rw.colfunc_2s(col); spryscale += rw.scalestep; continue; @@ -2833,7 +2831,7 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2) } else #endif - colfunc_2s(col); + rw.colfunc_2s(col); } spryscale += rw.scalestep; } @@ -2856,110 +2854,238 @@ static void R_DrawRepeatMaskedColumn(column_t *col) static void R_DrawRepeatFlippedMaskedColumn(column_t *col) { do { - R_DrawFlippedMaskedColumn(col, column2s_length); + R_DrawFlippedMaskedColumn(col, rw.column2s_length); sprtopscreen += dc_texheight*spryscale; } while (sprtopscreen < sprbotscreen); } // -// R_RenderThickSideRange -// Renders all the thick sides in the given range. -void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) +// R_RenderThickSegLoop +// Like R_RenderSegLoop, but for thick sides. +// +void R_RenderThickSegLoop(void) { - size_t pindex; - column_t * col; - INT32 lightnum; - INT32 texnum; - sector_t tempsec; - INT32 templight; - INT32 i, p; - fixed_t bottombounds = viewheight << FRACBITS; - fixed_t topbounds = (con_clipviewtop - 1) << FRACBITS; - fixed_t offsetvalue = 0; - lightlist_t *light; - r_lightlist_t *rlight; + column_t *col; + size_t pindex; + INT32 i; + INT32 lightnum; + r_lightlist_t *rlight; + + ffloor_t *pfloor = rw.pfloor; + fixed_t bottombounds = viewheight << FRACBITS; + fixed_t topbounds = (con_clipviewtop - 1) << FRACBITS; + #ifdef ESLOPE - INT32 range; -#endif -#ifndef ESLOPE - fixed_t lheight; -#endif - line_t *newline = NULL; -#ifdef ESLOPE - // 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; + INT32 oldx = -1; #endif - void (*colfunc_2s) (column_t *); - - // Calculate light table. - // Use different light tables - // for horizontal / vertical / diagonal. Diagonal? - // OPTIMIZE: get rid of LIGHTSEGSHIFT globally - - curline = ds->curline; - backsector = pfloor->target; - frontsector = curline->frontsector == pfloor->target ? curline->backsector : curline->frontsector; - texnum = R_GetTextureNum(sides[pfloor->master->sidenum[0]].midtexture); - - colfunc = colfuncs[BASEDRAWFUNC]; - - if (pfloor->master->flags & ML_TFERLINE) + for (dc_x = rw.x; dc_x <= rw.stopx; dc_x++) { - size_t linenum = curline->linedef-backsector->lines[0]; - newline = pfloor->master->frontsector->lines[0] + linenum; - texnum = R_GetTextureNum(sides[newline->sidenum[0]].midtexture); - } - - if (pfloor->flags & FF_TRANSLUCENT) - { - boolean fuzzy = true; - - // Hacked up support for alpha value in software mode Tails 09-24-2002 - if (pfloor->alpha < 12) - return; // Don't even draw it - else if (pfloor->alpha < 38) - dc_transmap = transtables + ((tr_trans90-1)<alpha < 64) - dc_transmap = transtables + ((tr_trans80-1)<alpha < 89) - dc_transmap = transtables + ((tr_trans70-1)<alpha < 115) - dc_transmap = transtables + ((tr_trans60-1)<alpha < 140) - dc_transmap = transtables + ((tr_trans50-1)<alpha < 166) - dc_transmap = transtables + ((tr_trans40-1)<alpha < 192) - dc_transmap = transtables + ((tr_trans30-1)<alpha < 217) - dc_transmap = transtables + ((tr_trans20-1)<alpha < 243) - dc_transmap = transtables + ((tr_trans10-1)<flags & FF_FOG) - colfunc = colfuncs[COLDRAWFUNC_FOG]; - + if (maskedtexturecol[dc_x] != INT16_MAX) + { #ifdef ESLOPE - range = max(ds->x2-ds->x1, 1); + if (rw.ffloortextureslide) { // skew FOF walls + if (oldx != -1) + dc_texturemid += FixedMul(rw.ffloortextureslide, (maskedtexturecol[oldx]-maskedtexturecol[dc_x])<scalestep; - spryscale = ds->scale1 + (x1 - ds->x1)*rw.scalestep; + // Calculate bounds + // clamp the values if necessary to avoid overflows and rendering glitches caused by them +#ifdef ESLOPE + #define CLAMPMAX INT32_MAX + #define CLAMPMIN (-INT32_MAX) // This is not INT32_MIN on purpose! INT32_MIN makes the drawers freak out. + if (rw.top_frac > (INT64)CLAMPMAX) sprtopscreen = windowtop = CLAMPMAX; + else if (rw.top_frac > (INT64)CLAMPMIN) sprtopscreen = windowtop = (fixed_t)rw.top_frac; + else sprtopscreen = windowtop = CLAMPMIN; + if (rw.bottom_frac > (INT64)CLAMPMAX) sprbotscreen = windowbottom = CLAMPMAX; + else if (rw.bottom_frac > (INT64)CLAMPMIN) sprbotscreen = windowbottom = (fixed_t)rw.bottom_frac; + else sprbotscreen = windowbottom = CLAMPMIN; + + rw.top_frac += rw.top_step; + rw.bottom_frac += rw.bottom_step; +#else + sprtopscreen = windowtop = (centeryfrac - FixedMul((dc_texturemid - offsetvalue), spryscale)); + sprbotscreen = windowbottom = FixedMul(*pfloor->topheight - *pfloor->bottomheight, spryscale) + sprtopscreen; +#endif + + // SoM: If column is out of range, why bother with it?? + if (windowbottom < topbounds || windowtop > bottombounds) + { + if (dc_numlights) + { + for (i = 0; i < dc_numlights; i++) + { + rlight = &dc_lightlist[i]; + rlight->height += rlight->heightstep; + if (rlight->flags & FF_CUTLEVEL) + rlight->botheight += rlight->botheightstep; + } + } + spryscale += rw.scalestep; + continue; + } + + dc_iscale = 0xffffffffu / (unsigned)spryscale; + + // Get data for the column + col = (column_t *)((UINT8 *)R_GetColumn(rw.texnum,maskedtexturecol[dc_x]) - 3); + + // SoM: New code does not rely on R_DrawColumnShadowed_8 which + // will (hopefully) put less strain on the stack. + if (dc_numlights) + { + lighttable_t **xwalllights; + fixed_t height; + fixed_t bheight = 0; + INT32 solid = 0; + INT32 lighteffect = 0; + + for (i = 0; i < dc_numlights; i++) + { + // Check if the current light effects the colormap/lightlevel + rlight = &dc_lightlist[i]; + lighteffect = !(dc_lightlist[i].flags & FF_NOSHADE); + if (lighteffect) + { + lightnum = rlight->lightnum; + + if (lightnum < 0) + xwalllights = scalelight[0]; + else if (lightnum >= LIGHTLEVELS) + xwalllights = scalelight[LIGHTLEVELS-1]; + else + xwalllights = scalelight[lightnum]; + + pindex = FixedMul(spryscale, FixedDiv(640, vid.width))>>LIGHTSCALESHIFT; + + if (pindex >= MAXLIGHTSCALE) + pindex = MAXLIGHTSCALE-1; + + if (pfloor->flags & FF_FOG) + { + if (pfloor->master->frontsector->extra_colormap) + rlight->rcolormap = pfloor->master->frontsector->extra_colormap->colormap + (xwalllights[pindex] - colormaps); + else + rlight->rcolormap = xwalllights[pindex]; + } + else + { + if (rlight->extra_colormap) + rlight->rcolormap = rlight->extra_colormap->colormap + (xwalllights[pindex] - colormaps); + else + rlight->rcolormap = xwalllights[pindex]; + } + } + + solid = 0; // don't carry over solid-cutting flag from the previous light + + // Check if the current light can cut the current 3D floor. + if (rlight->flags & FF_CUTSOLIDS && !(pfloor->flags & FF_EXTRA)) + solid = 1; + else if (rlight->flags & FF_CUTEXTRA && pfloor->flags & FF_EXTRA) + { + if (rlight->flags & FF_EXTRA) + { + // The light is from an extra 3D floor... Check the flags so + // there are no undesired cuts. + if ((rlight->flags & (FF_FOG|FF_SWIMMABLE)) == (pfloor->flags & (FF_FOG|FF_SWIMMABLE))) + solid = 1; + } + else + solid = 1; + } + else + solid = 0; + + height = rlight->height; + rlight->height += rlight->heightstep; + + if (solid) + { + bheight = rlight->botheight - (FRACUNIT >> 1); + rlight->botheight += rlight->botheightstep; + } + + if (height <= windowtop) + { + if (lighteffect) + dc_colormap = rlight->rcolormap; + if (solid && windowtop < bheight) + windowtop = bheight; + continue; + } + + windowbottom = height; + if (windowbottom >= sprbotscreen) + { + windowbottom = sprbotscreen; + // draw the texture + rw.colfunc_2s (col); + for (i++; i < dc_numlights; i++) + { + rlight = &dc_lightlist[i]; + rlight->height += rlight->heightstep; + if (rlight->flags & FF_CUTLEVEL) + rlight->botheight += rlight->botheightstep; + } + continue; + } + // draw the texture + rw.colfunc_2s (col); + if (solid) + windowtop = bheight; + else + windowtop = windowbottom + 1; + if (lighteffect) + dc_colormap = rlight->rcolormap; + } + windowbottom = sprbotscreen; + // draw the texture, if there is any space left + if (windowtop < windowbottom) + rw.colfunc_2s (col); + + spryscale += rw.scalestep; + continue; + } + + // calculate lighting + pindex = FixedMul(spryscale, FixedDiv(640, vid.width))>>LIGHTSCALESHIFT; + + if (pindex >= MAXLIGHTSCALE) + pindex = MAXLIGHTSCALE - 1; + + dc_colormap = walllights[pindex]; + + if (pfloor->flags & FF_FOG && pfloor->master->frontsector->extra_colormap) + dc_colormap = pfloor->master->frontsector->extra_colormap->colormap + (dc_colormap - colormaps); + else if (frontsector->extra_colormap) + dc_colormap = frontsector->extra_colormap->colormap + (dc_colormap - colormaps); + + // draw the texture + rw.colfunc_2s (col); + spryscale += rw.scalestep; + } + } +} + +// +// R_ThickLightLists +// Creates light lists, but for thick sides. +// +static void R_ThickLightLists(drawseg_t *ds, INT32 range) +{ + INT32 lightnum; + sector_t tempsec; + INT32 templight; + INT32 i, p; + + lightlist_t *light; + r_lightlist_t *rlight; + ffloor_t *pfloor = rw.pfloor; dc_numlights = 0; + if (frontsector->numlights) { dc_numlights = frontsector->numlights; @@ -2975,6 +3101,8 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) fixed_t leftheight, rightheight; fixed_t pfloorleft, pfloorright; INT64 overflow_test; +#else + (void)range; #endif light = &frontsector->lightlist[i]; rlight = &dc_lightlist[p]; @@ -3006,8 +3134,6 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) leftheight -= viewz; rightheight -= viewz; -#define CLAMPMAX INT32_MAX -#define CLAMPMIN (-INT32_MAX) // This is not INT32_MIN on purpose! INT32_MIN makes the drawers freak out. // Monster Iestyn (25/03/18): do not skip these lights if they fail overflow test, just clamp them instead so they behave. overflow_test = (INT64)centeryfrac - (((INT64)leftheight*ds->scale1)>>FRACBITS); if (overflow_test > (INT64)CLAMPMAX) rlight->height = CLAMPMAX; @@ -3104,6 +3230,130 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) else walllights = scalelight[lightnum]; } +} + +// +// R_ThickStepping +// Set stepping values for thick sides. +// +#ifdef ESLOPE +static void R_ThickStepping(drawseg_t *ds, INT32 range) +{ + fixed_t right_top, right_bottom; + ffloor_t *pfloor = rw.pfloor; + + // 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 + rw.top_frac = (INT64)centeryfrac - (((INT64)rw.left_top * ds->scale1) >> FRACBITS); + rw.bottom_frac = (INT64)centeryfrac - (((INT64)rw.left_bottom * ds->scale1) >> FRACBITS); + rw.top_step = (INT64)centeryfrac - (((INT64)right_top * ds->scale2) >> FRACBITS); + rw.bottom_step = (INT64)centeryfrac - (((INT64)right_bottom * ds->scale2) >> FRACBITS); + + rw.top_step = (rw.top_step-rw.top_frac)/(range); + rw.bottom_step = (rw.bottom_step-rw.bottom_frac)/(range); + + rw.top_frac += rw.top_step * (rw.x - ds->x1); + rw.bottom_frac += rw.bottom_step * (rw.x - ds->x1); +} +#endif + +// +// R_RenderThickSideRange +// Renders all the thick sides in the given range. +// +void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) +{ + INT32 texnum; + + fixed_t offsetvalue = 0; +#ifdef ESLOPE + INT32 range; +#endif +#ifndef ESLOPE + fixed_t lheight; +#endif + line_t *newline = NULL; +#ifdef ESLOPE + // skew FOF walls with slopes? + boolean slopeskew = false; + pslope_t *skewslope = NULL; +#endif + + rw.x = x1; + rw.stopx = x2; + rw.pfloor = pfloor; + + // Calculate light table. + // Use different light tables + // for horizontal / vertical / diagonal. Diagonal? + // OPTIMIZE: get rid of LIGHTSEGSHIFT globally + + curline = ds->curline; + backsector = pfloor->target; + frontsector = curline->frontsector == pfloor->target ? curline->backsector : curline->frontsector; + texnum = R_GetTextureNum(sides[pfloor->master->sidenum[0]].midtexture); + + colfunc = colfuncs[BASEDRAWFUNC]; + + if (pfloor->master->flags & ML_TFERLINE) + { + size_t linenum = curline->linedef-backsector->lines[0]; + newline = pfloor->master->frontsector->lines[0] + linenum; + texnum = R_GetTextureNum(sides[newline->sidenum[0]].midtexture); + } + + if (pfloor->flags & FF_TRANSLUCENT) + { + boolean fuzzy = true; + + // Hacked up support for alpha value in software mode Tails 09-24-2002 + if (pfloor->alpha < 12) + return; // Don't even draw it + else if (pfloor->alpha < 38) + dc_transmap = transtables + ((tr_trans90-1)<alpha < 64) + dc_transmap = transtables + ((tr_trans80-1)<alpha < 89) + dc_transmap = transtables + ((tr_trans70-1)<alpha < 115) + dc_transmap = transtables + ((tr_trans60-1)<alpha < 140) + dc_transmap = transtables + ((tr_trans50-1)<alpha < 166) + dc_transmap = transtables + ((tr_trans40-1)<alpha < 192) + dc_transmap = transtables + ((tr_trans30-1)<alpha < 217) + dc_transmap = transtables + ((tr_trans20-1)<alpha < 243) + dc_transmap = transtables + ((tr_trans10-1)<flags & FF_FOG) + colfunc = colfuncs[COLDRAWFUNC_FOG]; + +#ifdef ESLOPE + range = max(ds->x2-ds->x1, 1); +#endif + //SoM: Moved these up here so they are available for my lightlist calculations + rw.scalestep = ds->scalestep; + spryscale = ds->scale1 + (x1 - ds->x1)*rw.scalestep; + + R_ThickLightLists(ds, range); maskedtexturecol = ds->thicksidecol; @@ -3114,14 +3364,14 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) #ifdef ESLOPE // calculate both left ends if (*pfloor->t_slope) - left_top = P_GetZAt(*pfloor->t_slope, ds->leftpos.x, ds->leftpos.y) - viewz; + rw.left_top = P_GetZAt(*pfloor->t_slope, ds->leftpos.x, ds->leftpos.y) - viewz; else - left_top = *pfloor->topheight - viewz; + rw.left_top = *pfloor->topheight - viewz; if (*pfloor->b_slope) - left_bottom = P_GetZAt(*pfloor->b_slope, ds->leftpos.x, ds->leftpos.y) - viewz; + rw.left_bottom = P_GetZAt(*pfloor->b_slope, ds->leftpos.x, ds->leftpos.y) - viewz; else - left_bottom = *pfloor->bottomheight - viewz; + rw.left_bottom = *pfloor->bottomheight - viewz; skewslope = *pfloor->t_slope; // skew using top slope by default if (newline) { @@ -3132,7 +3382,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) slopeskew = true; if (slopeskew) - dc_texturemid = left_top; + dc_texturemid = rw.left_top; else #endif dc_texturemid = *pfloor->topheight - viewz; @@ -3145,7 +3395,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) #ifdef ESLOPE skewslope = *pfloor->b_slope; // skew using bottom slope if (slopeskew) - dc_texturemid = left_bottom; + dc_texturemid = rw.left_bottom; else #endif offsetvalue -= *pfloor->topheight - *pfloor->bottomheight; @@ -3159,7 +3409,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) #ifdef ESLOPE skewslope = *pfloor->b_slope; // skew using bottom slope if (slopeskew) - dc_texturemid = left_bottom; + dc_texturemid = rw.left_bottom; else #endif offsetvalue -= *pfloor->topheight - *pfloor->bottomheight; @@ -3172,7 +3422,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) 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)); + rw.ffloortextureslide = FixedMul(skewslope->zdelta, FINECOSINE((lineangle-skewslope->xydirection)>>ANGLETOFINESHIFT)); } #endif @@ -3187,236 +3437,26 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor) { if (textures[texnum]->flip & 2) // vertically flipped? { - colfunc_2s = R_DrawRepeatFlippedMaskedColumn; - column2s_length = textures[texnum]->height; + rw.colfunc_2s = R_DrawRepeatFlippedMaskedColumn; + rw.column2s_length = textures[texnum]->height; } else - colfunc_2s = R_DrawRepeatMaskedColumn; // render the usual 2sided single-patch packed texture + rw.colfunc_2s = R_DrawRepeatMaskedColumn; // render the usual 2sided single-patch packed texture } else { - colfunc_2s = R_Render2sidedMultiPatchColumn; //render multipatch with no holes (no post_t info) - column2s_length = textures[texnum]->height; + rw.colfunc_2s = R_Render2sidedMultiPatchColumn; //render multipatch with no holes (no post_t info) + rw.column2s_length = textures[texnum]->height; } #ifdef ESLOPE // Set heights according to plane, or slope, whichever - { - fixed_t right_top, right_bottom; - - // 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); - bottom_frac = (INT64)centeryfrac - (((INT64)left_bottom * ds->scale1) >> FRACBITS); - top_step = (INT64)centeryfrac - (((INT64)right_top * ds->scale2) >> FRACBITS); - bottom_step = (INT64)centeryfrac - (((INT64)right_bottom * ds->scale2) >> FRACBITS); - - top_step = (top_step-top_frac)/(range); - bottom_step = (bottom_step-bottom_frac)/(range); - - top_frac += top_step * (x1 - ds->x1); - bottom_frac += bottom_step * (x1 - ds->x1); - } + R_ThickStepping(ds, range); #endif // draw the columns - for (dc_x = x1; dc_x <= x2; dc_x++) - { - 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; - else sprtopscreen = windowtop = CLAMPMIN; - if (bottom_frac > (INT64)CLAMPMAX) sprbotscreen = windowbottom = CLAMPMAX; - else if (bottom_frac > (INT64)CLAMPMIN) sprbotscreen = windowbottom = (fixed_t)bottom_frac; - else sprbotscreen = windowbottom = CLAMPMIN; - - top_frac += top_step; - bottom_frac += bottom_step; -#else - sprtopscreen = windowtop = (centeryfrac - FixedMul((dc_texturemid - offsetvalue), spryscale)); - sprbotscreen = windowbottom = FixedMul(*pfloor->topheight - *pfloor->bottomheight, spryscale) + sprtopscreen; -#endif - - // SoM: If column is out of range, why bother with it?? - if (windowbottom < topbounds || windowtop > bottombounds) - { - if (dc_numlights) - { - for (i = 0; i < dc_numlights; i++) - { - rlight = &dc_lightlist[i]; - rlight->height += rlight->heightstep; - if (rlight->flags & FF_CUTLEVEL) - rlight->botheight += rlight->botheightstep; - } - } - spryscale += rw.scalestep; - continue; - } - - dc_iscale = 0xffffffffu / (unsigned)spryscale; - - // Get data for the column - col = (column_t *)((UINT8 *)R_GetColumn(texnum,maskedtexturecol[dc_x]) - 3); - - // SoM: New code does not rely on R_DrawColumnShadowed_8 which - // will (hopefully) put less strain on the stack. - if (dc_numlights) - { - lighttable_t **xwalllights; - fixed_t height; - fixed_t bheight = 0; - INT32 solid = 0; - INT32 lighteffect = 0; - - for (i = 0; i < dc_numlights; i++) - { - // Check if the current light effects the colormap/lightlevel - rlight = &dc_lightlist[i]; - lighteffect = !(dc_lightlist[i].flags & FF_NOSHADE); - if (lighteffect) - { - lightnum = rlight->lightnum; - - if (lightnum < 0) - xwalllights = scalelight[0]; - else if (lightnum >= LIGHTLEVELS) - xwalllights = scalelight[LIGHTLEVELS-1]; - else - xwalllights = scalelight[lightnum]; - - pindex = FixedMul(spryscale, FixedDiv(640, vid.width))>>LIGHTSCALESHIFT; - - if (pindex >= MAXLIGHTSCALE) - pindex = MAXLIGHTSCALE-1; - - if (pfloor->flags & FF_FOG) - { - if (pfloor->master->frontsector->extra_colormap) - rlight->rcolormap = pfloor->master->frontsector->extra_colormap->colormap + (xwalllights[pindex] - colormaps); - else - rlight->rcolormap = xwalllights[pindex]; - } - else - { - if (rlight->extra_colormap) - rlight->rcolormap = rlight->extra_colormap->colormap + (xwalllights[pindex] - colormaps); - else - rlight->rcolormap = xwalllights[pindex]; - } - } - - solid = 0; // don't carry over solid-cutting flag from the previous light - - // Check if the current light can cut the current 3D floor. - if (rlight->flags & FF_CUTSOLIDS && !(pfloor->flags & FF_EXTRA)) - solid = 1; - else if (rlight->flags & FF_CUTEXTRA && pfloor->flags & FF_EXTRA) - { - if (rlight->flags & FF_EXTRA) - { - // The light is from an extra 3D floor... Check the flags so - // there are no undesired cuts. - if ((rlight->flags & (FF_FOG|FF_SWIMMABLE)) == (pfloor->flags & (FF_FOG|FF_SWIMMABLE))) - solid = 1; - } - else - solid = 1; - } - else - solid = 0; - - height = rlight->height; - rlight->height += rlight->heightstep; - - if (solid) - { - bheight = rlight->botheight - (FRACUNIT >> 1); - rlight->botheight += rlight->botheightstep; - } - - if (height <= windowtop) - { - if (lighteffect) - dc_colormap = rlight->rcolormap; - if (solid && windowtop < bheight) - windowtop = bheight; - continue; - } - - windowbottom = height; - if (windowbottom >= sprbotscreen) - { - windowbottom = sprbotscreen; - // draw the texture - colfunc_2s (col); - for (i++; i < dc_numlights; i++) - { - rlight = &dc_lightlist[i]; - rlight->height += rlight->heightstep; - if (rlight->flags & FF_CUTLEVEL) - rlight->botheight += rlight->botheightstep; - } - continue; - } - // draw the texture - colfunc_2s (col); - if (solid) - windowtop = bheight; - else - windowtop = windowbottom + 1; - if (lighteffect) - dc_colormap = rlight->rcolormap; - } - windowbottom = sprbotscreen; - // draw the texture, if there is any space left - if (windowtop < windowbottom) - colfunc_2s (col); - - spryscale += rw.scalestep; - continue; - } - - // calculate lighting - pindex = FixedMul(spryscale, FixedDiv(640, vid.width))>>LIGHTSCALESHIFT; - - if (pindex >= MAXLIGHTSCALE) - pindex = MAXLIGHTSCALE - 1; - - dc_colormap = walllights[pindex]; - - if (pfloor->flags & FF_FOG && pfloor->master->frontsector->extra_colormap) - dc_colormap = pfloor->master->frontsector->extra_colormap->colormap + (dc_colormap - colormaps); - else if (frontsector->extra_colormap) - dc_colormap = frontsector->extra_colormap->colormap + (dc_colormap - colormaps); - - // draw the texture - colfunc_2s (col); - spryscale += rw.scalestep; - } - } + rw.texnum = texnum; + R_RenderThickSegLoop(); colfunc = colfuncs[BASEDRAWFUNC]; #undef CLAMPMAX diff --git a/src/r_state.h b/src/r_state.h index 8211ac75a..cecdb8f4d 100644 --- a/src/r_state.h +++ b/src/r_state.h @@ -109,6 +109,21 @@ typedef struct fixed_t distance; angle_t normalangle; angle_t angle1; // angle to line origin + + // for masked segs and thick sides + INT32 texnum; + void (*colfunc_2s) (column_t *); + INT32 column2s_length; // column->length : for multi-patch on 2sided wall = texture->height + + // thick sides + ffloor_t *pfloor; +#ifdef ESLOPE + // 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; + fixed_t ffloortextureslide; + fixed_t left_top, left_bottom; // needed here for slope skewing +#endif } renderwall_t; extern renderwall_t rw;