From b41cd59e5198415d71b03b794b73b1c9ea9ffcc7 Mon Sep 17 00:00:00 2001 From: Jaime Passos Date: Tue, 31 Dec 2019 23:40:17 +0000 Subject: [PATCH] Revert "Merge branch 'software-clownery' into 'master'" This reverts merge request !578 --- src/p_setup.c | 5 +- src/r_bsp.c | 2 +- src/r_defs.h | 3 +- src/r_main.c | 6 +- src/r_segs.c | 4765 +++++++++++++++++++++++-------------------------- src/r_state.h | 39 +- 6 files changed, 2261 insertions(+), 2559 deletions(-) diff --git a/src/p_setup.c b/src/p_setup.c index c29cc907e..42a6438a0 100644 --- a/src/p_setup.c +++ b/src/p_setup.c @@ -416,7 +416,9 @@ fixed_t P_SegLength(seg_t *seg) return FixedHypot(dx, dy)<<1; } +#ifdef HWRENDER /** Computes the length of a seg as a float. + * This is needed for OpenGL. * * \param seg Seg to compute length for. * \return Length as a float. @@ -431,6 +433,7 @@ static inline float P_SegLengthFloat(seg_t *seg) return (float)hypot(dx, dy); } +#endif /** Loads the SEGS resource from a level. * @@ -457,10 +460,10 @@ static void P_LoadRawSegs(UINT8 *data, size_t i) li->v2 = &vertexes[SHORT(ml->v2)]; li->length = P_SegLength(li); - li->flength = P_SegLengthFloat(li); #ifdef HWRENDER if (rendermode == render_opengl) { + li->flength = P_SegLengthFloat(li); //Hurdler: 04/12/2000: for now, only used in hardware mode li->lightmaps = NULL; // list of static lightmap for this seg } diff --git a/src/r_bsp.c b/src/r_bsp.c index b6dbfd76a..51d9bd3fd 100644 --- a/src/r_bsp.c +++ b/src/r_bsp.c @@ -410,7 +410,7 @@ static void R_AddLine(seg_t *line) return; // Global angle needed by segcalc. - rw.angle1 = angle1; + rw_angle1 = angle1; angle1 -= viewangle; angle2 -= viewangle; diff --git a/src/r_defs.h b/src/r_defs.h index cfc55ef18..2791ac8b0 100644 --- a/src/r_defs.h +++ b/src/r_defs.h @@ -582,12 +582,11 @@ typedef struct seg_s sector_t *backsector; fixed_t length; // precalculated seg length - float flength; // ditto but float - #ifdef HWRENDER // new pointers so that AdjustSegs doesn't mess with v1/v2 void *pv1; // polyvertex_t void *pv2; // polyvertex_t + float flength; // length of the seg, used by hardware renderer lightmap_t *lightmaps; // for static lightmap #endif diff --git a/src/r_main.c b/src/r_main.c index 8ef47d21d..a5f4bc118 100644 --- a/src/r_main.c +++ b/src/r_main.c @@ -366,7 +366,7 @@ angle_t R_PointToAngleEx(INT32 x2, INT32 y2, INT32 x1, INT32 y1) // R_ScaleFromGlobalAngle // Returns the texture mapping scale for the current line (horizontal span) // at the given angle. -// rw.distance must be calculated first. +// rw_distance must be calculated first. // // killough 5/2/98: reformatted, cleaned up // @@ -374,8 +374,8 @@ angle_t R_PointToAngleEx(INT32 x2, INT32 y2, INT32 x1, INT32 y1) fixed_t R_ScaleFromGlobalAngle(angle_t visangle) { angle_t anglea = ANGLE_90 + (visangle-viewangle); - angle_t angleb = ANGLE_90 + (visangle-rw.normalangle); - fixed_t den = FixedMul(rw.distance, FINESINE(anglea>>ANGLETOFINESHIFT)); + angle_t angleb = ANGLE_90 + (visangle-rw_normalangle); + fixed_t den = FixedMul(rw_distance, FINESINE(anglea>>ANGLETOFINESHIFT)); // proff 11/06/98: Changed for high-res fixed_t num = FixedMul(projectiony, FINESINE(angleb>>ANGLETOFINESHIFT)); diff --git a/src/r_segs.c b/src/r_segs.c index 750b32522..2c8aadec8 100644 --- a/src/r_segs.c +++ b/src/r_segs.c @@ -37,21 +37,25 @@ static boolean maskedtexture; static INT32 toptexture, bottomtexture, midtexture; static INT32 numthicksides, numbackffloors; -static boolean bothceilingssky; -static boolean bothfloorssky; - -#ifdef ESLOPE -static vertex_t segleft, segright; -static fixed_t ceilingfrontslide, floorfrontslide, ceilingbackslide, floorbackslide; -#endif +angle_t rw_normalangle; +// angle to line origin +angle_t rw_angle1; +fixed_t rw_distance; // // regular wall // -renderwall_t rw; +static INT32 rw_x, rw_stopx; +static angle_t rw_centerangle; +static fixed_t rw_offset; +static fixed_t rw_offset2; // for splats +static fixed_t rw_scale, rw_scalestep; +static fixed_t rw_midtexturemid, rw_toptexturemid, rw_bottomtexturemid; static INT32 worldtop, worldbottom, worldhigh, worldlow; #ifdef ESLOPE static INT32 worldtopslope, worldbottomslope, worldhighslope, worldlowslope; // worldtop/bottom at end of slope +static fixed_t rw_toptextureslide, rw_midtextureslide, rw_bottomtextureslide; // Defines how to adjust Y offsets along the wall for slopes +static fixed_t rw_midtextureback, rw_midtexturebackslide; // Values for masked midtexture height calculation #endif static fixed_t pixhigh, pixlow, pixhighstep, pixlowstep; static fixed_t topfrac, topstep; @@ -63,6 +67,1242 @@ static INT16 *maskedtexturecol; static fixed_t *maskedtextureheight = NULL; #endif +// ========================================================================== +// R_Splats Wall Splats Drawer +// ========================================================================== + +#ifdef WALLSPLATS +static INT16 last_ceilingclip[MAXVIDWIDTH]; +static INT16 last_floorclip[MAXVIDWIDTH]; + +static void R_DrawSplatColumn(column_t *column) +{ + INT32 topscreen, bottomscreen; + fixed_t basetexturemid; + INT32 topdelta, prevdelta = -1; + + basetexturemid = dc_texturemid; + + for (; column->topdelta != 0xff ;) + { + // calculate unclipped screen coordinates for post + topdelta = column->topdelta; + if (topdelta <= prevdelta) + topdelta += prevdelta; + prevdelta = topdelta; + topscreen = sprtopscreen + spryscale*topdelta; + bottomscreen = topscreen + spryscale*column->length; + + dc_yl = (topscreen+FRACUNIT-1)>>FRACBITS; + dc_yh = (bottomscreen-1)>>FRACBITS; + + if (dc_yh >= last_floorclip[dc_x]) + dc_yh = last_floorclip[dc_x] - 1; + if (dc_yl <= last_ceilingclip[dc_x]) + dc_yl = last_ceilingclip[dc_x] + 1; + if (dc_yl <= dc_yh && dl_yh < vid.height && yh > 0) + { + dc_source = (UINT8 *)column + 3; + dc_texturemid = basetexturemid - (topdelta<length + 4); + } + + dc_texturemid = basetexturemid; +} + +static void R_DrawWallSplats(void) +{ + wallsplat_t *splat; + seg_t *seg; + angle_t angle, angle1, angle2; + INT32 x1, x2; + size_t pindex; + column_t *col; + patch_t *patch; + fixed_t texturecolumn; + + splat = (wallsplat_t *)linedef->splats; + + I_Assert(splat != NULL); + + seg = ds_p->curline; + + // draw all splats from the line that touches the range of the seg + for (; splat; splat = splat->next) + { + angle1 = R_PointToAngle(splat->v1.x, splat->v1.y); + angle2 = R_PointToAngle(splat->v2.x, splat->v2.y); + angle1 = (angle1 - viewangle + ANGLE_90)>>ANGLETOFINESHIFT; + angle2 = (angle2 - viewangle + ANGLE_90)>>ANGLETOFINESHIFT; + // out of the viewangletox lut + /// \todo clip it to the screen + if (angle1 > FINEANGLES/2 || angle2 > FINEANGLES/2) + continue; + x1 = viewangletox[angle1]; + x2 = viewangletox[angle2]; + + if (x1 >= x2) + continue; // does not cross a pixel + + // splat is not in this seg range + if (x2 < ds_p->x1 || x1 > ds_p->x2) + continue; + + if (x1 < ds_p->x1) + x1 = ds_p->x1; + if (x2 > ds_p->x2) + x2 = ds_p->x2; + if (x2 <= x1) + continue; + + // calculate incremental stepping values for texture edges + rw_scalestep = ds_p->scalestep; + spryscale = ds_p->scale1 + (x1 - ds_p->x1)*rw_scalestep; + mfloorclip = floorclip; + mceilingclip = ceilingclip; + + patch = W_CachePatchNum(splat->patch, PU_PATCH); + + dc_texturemid = splat->top + (SHORT(patch->height)<<(FRACBITS-1)) - viewz; + if (splat->yoffset) + dc_texturemid += *splat->yoffset; + + sprtopscreen = centeryfrac - FixedMul(dc_texturemid, spryscale); + + // set drawing mode + switch (splat->flags & SPLATDRAWMODE_MASK) + { + case SPLATDRAWMODE_OPAQUE: + colfunc = colfuncs[BASEDRAWFUNC]; + break; + case SPLATDRAWMODE_TRANS: + if (!cv_translucency.value) + colfunc = colfuncs[BASEDRAWFUNC]; + else + { + dc_transmap = transtables + ((tr_trans50 - 1)<>LIGHTSCALESHIFT; + if (pindex >= MAXLIGHTSCALE) + pindex = MAXLIGHTSCALE - 1; + dc_colormap = walllights[pindex]; + + if (frontsector->extra_colormap) + dc_colormap = frontsector->extra_colormap->colormap + (dc_colormap - colormaps); + + sprtopscreen = centeryfrac - FixedMul(dc_texturemid, spryscale); + dc_iscale = 0xffffffffu / (unsigned)spryscale; + + // find column of patch, from perspective + angle = (rw_centerangle + xtoviewangle[dc_x])>>ANGLETOFINESHIFT; + texturecolumn = rw_offset2 - splat->offset + - FixedMul(FINETANGENT(angle), rw_distance); + + // FIXME! + texturecolumn >>= FRACBITS; + if (texturecolumn < 0 || texturecolumn >= SHORT(patch->width)) + continue; + + // draw the texture + col = (column_t *)((UINT8 *)patch + LONG(patch->columnofs[texturecolumn])); + R_DrawSplatColumn(col); + } + } // next splat + + colfunc = colfuncs[BASEDRAWFUNC]; +} + +#endif //WALLSPLATS + +// ========================================================================== +// R_RenderMaskedSegRange +// ========================================================================== + +// If we have a multi-patch texture on a 2sided wall (rare) then we draw +// it using R_DrawColumn, else we draw it using R_DrawMaskedColumn, this +// 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; + + dc_yl = (sprtopscreen+FRACUNIT-1)>>FRACBITS; + dc_yh = (bottomscreen-1)>>FRACBITS; + + if (windowtop != INT32_MAX && windowbottom != INT32_MAX) + { + dc_yl = ((windowtop + FRACUNIT)>>FRACBITS); + dc_yh = (windowbottom - 1)>>FRACBITS; + } + + if (dc_yh >= mfloorclip[dc_x]) + dc_yh = mfloorclip[dc_x] - 1; + if (dc_yl <= mceilingclip[dc_x]) + dc_yl = mceilingclip[dc_x] + 1; + + if (dc_yl >= vid.height || dc_yh < 0) + return; + + if (dc_yl <= dc_yh && dc_yh < vid.height && dc_yh > 0) + { + dc_source = (UINT8 *)column + 3; + + if (colfunc == colfuncs[BASEDRAWFUNC]) + (colfuncs[COLDRAWFUNC_TWOSMULTIPATCH])(); + else if (colfunc == colfuncs[COLDRAWFUNC_FUZZY]) + (colfuncs[COLDRAWFUNC_TWOSMULTIPATCHTRANS])(); + else + colfunc(); + } +} + +// quick wrapper for R_DrawFlippedMaskedColumn so it can be set as a colfunc_2s value +// uses column2s_length for texture->height as above +static void R_DrawFlippedMaskedSegColumn(column_t *column) +{ + R_DrawFlippedMaskedColumn(column, column2s_length); +} + +void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2) +{ + size_t pindex; + column_t *col; + INT32 lightnum, texnum, i; + 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; + INT64 overflow_test; +#ifdef ESLOPE + INT32 range; +#endif + + // Calculate light table. + // Use different light tables + // for horizontal / vertical / diagonal. Diagonal? + // OPTIMIZE: get rid of LIGHTSEGSHIFT globally + curline = ds->curline; + frontsector = curline->frontsector; + backsector = curline->backsector; + texnum = R_GetTextureNum(curline->sidedef->midtexture); + windowbottom = windowtop = sprbotscreen = INT32_MAX; + + // hack translucent linedef types (900-909 for transtables 1-9) + ldef = curline->linedef; + switch (ldef->special) + { + case 900: + case 901: + case 902: + case 903: + case 904: + case 905: + case 906: + case 907: + case 908: + dc_transmap = transtables + ((ldef->special-900)<ceilingheight; + windowbottom = frontsector->floorheight; + break; + default: + colfunc = colfuncs[BASEDRAWFUNC]; + break; + } + + if (curline->polyseg && curline->polyseg->translucency > 0) + { + if (curline->polyseg->translucency >= NUMTRANSMAPS) + return; + + dc_transmap = transtables + ((curline->polyseg->translucency-1)<x2-ds->x1, 1); +#endif + rw_scalestep = ds->scalestep; + spryscale = ds->scale1 + (x1 - ds->x1)*rw_scalestep; + + // Texture must be cached before setting colfunc_2s, + // otherwise texture[texnum]->holes may be false when it shouldn't be + R_CheckTextureCache(texnum); + // handle case where multipatch texture is drawn on a 2sided wall, multi-patch textures + // are not stored per-column with post info in SRB2 + if (textures[texnum]->holes) + { + if (textures[texnum]->flip & 2) // vertically flipped? + { + colfunc_2s = R_DrawFlippedMaskedSegColumn; + column2s_length = textures[texnum]->height; + } + else + 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; + } + + // Setup lighting based on the presence/lack-of 3D floors. + dc_numlights = 0; + if (frontsector->numlights) + { + dc_numlights = frontsector->numlights; + if (dc_numlights >= dc_maxlights) + { + dc_maxlights = dc_numlights; + dc_lightlist = Z_Realloc(dc_lightlist, sizeof (*dc_lightlist) * dc_maxlights, PU_STATIC, NULL); + } + + for (i = 0; i < dc_numlights; i++) + { +#ifdef ESLOPE + fixed_t leftheight, rightheight; +#endif + light = &frontsector->lightlist[i]; + rlight = &dc_lightlist[i]; +#ifdef ESLOPE + if (light->slope) { + leftheight = P_GetZAt(light->slope, ds->leftpos.x, ds->leftpos.y); + rightheight = P_GetZAt(light->slope, ds->rightpos.x, ds->rightpos.y); + } else + leftheight = rightheight = light->height; + + leftheight -= viewz; + rightheight -= viewz; + + rlight->height = (centeryfrac) - FixedMul(leftheight, ds->scale1); + rlight->heightstep = (centeryfrac) - FixedMul(rightheight, ds->scale2); + rlight->heightstep = (rlight->heightstep-rlight->height)/(range); + //if (x1 > ds->x1) + //rlight->height -= (x1 - ds->x1)*rlight->heightstep; +#else + rlight->height = (centeryfrac) - FixedMul((light->height - viewz), spryscale); + rlight->heightstep = -FixedMul(rw_scalestep, (light->height - viewz)); +#endif + rlight->startheight = rlight->height; // keep starting value here to reset for each repeat + rlight->lightlevel = *light->lightlevel; + rlight->extra_colormap = *light->extra_colormap; + rlight->flags = light->flags; + + if (rlight->flags & FF_FOG || (rlight->extra_colormap && rlight->extra_colormap->fog)) + lightnum = (rlight->lightlevel >> LIGHTSEGSHIFT); + else if (colfunc == colfuncs[COLDRAWFUNC_FUZZY]) + lightnum = LIGHTLEVELS - 1; + else + lightnum = (rlight->lightlevel >> LIGHTSEGSHIFT); + + if (rlight->extra_colormap && rlight->extra_colormap->fog) + ; + else if (curline->v1->y == curline->v2->y) + lightnum--; + else if (curline->v1->x == curline->v2->x) + lightnum++; + + rlight->lightnum = lightnum; + } + } + else + { + if (colfunc == colfuncs[COLDRAWFUNC_FUZZY]) + { + if (frontsector->extra_colormap && frontsector->extra_colormap->fog) + lightnum = (frontsector->lightlevel >> LIGHTSEGSHIFT); + else + lightnum = LIGHTLEVELS - 1; + } + else + lightnum = (frontsector->lightlevel >> LIGHTSEGSHIFT); + + if (colfunc == colfuncs[COLDRAWFUNC_FOG] + || (frontsector->extra_colormap && frontsector->extra_colormap->fog)) + ; + else if (curline->v1->y == curline->v2->y) + lightnum--; + else if (curline->v1->x == curline->v2->x) + lightnum++; + + if (lightnum < 0) + walllights = scalelight[0]; + else if (lightnum >= LIGHTLEVELS) + walllights = scalelight[LIGHTLEVELS - 1]; + else + walllights = scalelight[lightnum]; + } + + maskedtexturecol = ds->maskedtexturecol; + + mfloorclip = ds->sprbottomclip; + mceilingclip = ds->sprtopclip; + + if (frontsector->heightsec != -1) + front = §ors[frontsector->heightsec]; + else + front = frontsector; + + if (backsector->heightsec != -1) + back = §ors[backsector->heightsec]; + else + back = backsector; + + if (ds->curline->sidedef->repeatcnt) + repeats = 1 + ds->curline->sidedef->repeatcnt; + else if (ldef->flags & ML_EFFECT5) + { + fixed_t high, low; + + if (front->ceilingheight > back->ceilingheight) + high = back->ceilingheight; + else + high = front->ceilingheight; + + if (front->floorheight > back->floorheight) + low = front->floorheight; + else + low = back->floorheight; + + repeats = (high - low)/textureheight[texnum]; + if ((high-low)%textureheight[texnum]) + repeats++; // tile an extra time to fill the gap -- Monster Iestyn + } + else + repeats = 1; + + for (times = 0; times < repeats; times++) + { + if (times > 0) + { + rw_scalestep = ds->scalestep; + spryscale = ds->scale1 + (x1 - ds->x1)*rw_scalestep; + if (dc_numlights) + { // reset all lights to their starting heights + for (i = 0; i < dc_numlights; i++) + { + rlight = &dc_lightlist[i]; + rlight->height = rlight->startheight; + } + } + } + +#ifndef ESLOPE + if (curline->linedef->flags & ML_DONTPEGBOTTOM) + { + dc_texturemid = front->floorheight > back->floorheight + ? front->floorheight : back->floorheight; + dc_texturemid = dc_texturemid + textureheight[texnum] - viewz; + } + else + { + dc_texturemid = front->ceilingheight < back->ceilingheight + ? front->ceilingheight : back->ceilingheight; + dc_texturemid = dc_texturemid - viewz; + } + dc_texturemid += curline->sidedef->rowoffset; + + if (curline->linedef->flags & ML_DONTPEGBOTTOM) + dc_texturemid += (textureheight[texnum])*times; + else + dc_texturemid -= (textureheight[texnum])*times; +#endif + + dc_texheight = textureheight[texnum]>>FRACBITS; + + // draw the columns + for (dc_x = x1; dc_x <= x2; dc_x++) + { +#ifdef ESLOPE + dc_texturemid = ds->maskedtextureheight[dc_x]; + + if (!!(curline->linedef->flags & ML_DONTPEGBOTTOM) ^ !!(curline->linedef->flags & ML_EFFECT3)) + dc_texturemid += (textureheight[texnum])*times + textureheight[texnum]; + else + dc_texturemid -= (textureheight[texnum])*times; +#endif + // calculate lighting + if (maskedtexturecol[dc_x] != INT16_MAX) + { + // Check for overflows first + overflow_test = (INT64)centeryfrac - (((INT64)dc_texturemid*spryscale)>>FRACBITS); + if (overflow_test < 0) overflow_test = -overflow_test; + if ((UINT64)overflow_test&0xFFFFFFFF80000000ULL) + { + // Eh, no, go away, don't waste our time + if (dc_numlights) + { + for (i = 0; i < dc_numlights; i++) + { + rlight = &dc_lightlist[i]; + rlight->height += rlight->heightstep; + } + } + spryscale += rw_scalestep; + continue; + } + + if (dc_numlights) + { + lighttable_t **xwalllights; + + sprbotscreen = INT32_MAX; + sprtopscreen = windowtop = (centeryfrac - FixedMul(dc_texturemid, spryscale)); + + realbot = windowbottom = FixedMul(textureheight[texnum], spryscale) + sprtopscreen; + dc_iscale = 0xffffffffu / (unsigned)spryscale; + + // draw the texture + col = (column_t *)((UINT8 *)R_GetColumn(texnum, maskedtexturecol[dc_x]) - 3); + + for (i = 0; i < dc_numlights; i++) + { + rlight = &dc_lightlist[i]; + + if ((rlight->flags & FF_NOSHADE)) + continue; + + if (rlight->lightnum < 0) + xwalllights = scalelight[0]; + else if (rlight->lightnum >= LIGHTLEVELS) + xwalllights = scalelight[LIGHTLEVELS-1]; + else + xwalllights = scalelight[rlight->lightnum]; + + pindex = FixedMul(spryscale, FixedDiv(640, vid.width))>>LIGHTSCALESHIFT; + + if (pindex >= MAXLIGHTSCALE) + pindex = MAXLIGHTSCALE - 1; + + if (rlight->extra_colormap) + rlight->rcolormap = rlight->extra_colormap->colormap + (xwalllights[pindex] - colormaps); + else + rlight->rcolormap = xwalllights[pindex]; + + height = rlight->height; + rlight->height += rlight->heightstep; + + if (height <= windowtop) + { + dc_colormap = rlight->rcolormap; + continue; + } + + windowbottom = height; + if (windowbottom >= realbot) + { + windowbottom = realbot; + colfunc_2s(col); + for (i++; i < dc_numlights; i++) + { + rlight = &dc_lightlist[i]; + rlight->height += rlight->heightstep; + } + + continue; + } + colfunc_2s(col); + windowtop = windowbottom + 1; + dc_colormap = rlight->rcolormap; + } + windowbottom = realbot; + 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 (frontsector->extra_colormap) + dc_colormap = frontsector->extra_colormap->colormap + (dc_colormap - colormaps); + + sprtopscreen = centeryfrac - FixedMul(dc_texturemid, spryscale); + dc_iscale = 0xffffffffu / (unsigned)spryscale; + + // draw the texture + col = (column_t *)((UINT8 *)R_GetColumn(texnum, maskedtexturecol[dc_x]) - 3); + +//#ifdef POLYOBJECTS_PLANES +#if 0 // Disabling this allows inside edges to render below the planes, for until the clipping is fixed to work right when POs are near the camera. -Red + if (curline->dontrenderme && curline->polyseg && (curline->polyseg->flags & POF_RENDERPLANES)) + { + fixed_t my_topscreen; + fixed_t my_bottomscreen; + fixed_t my_yl, my_yh; + + my_topscreen = sprtopscreen + spryscale*col->topdelta; + my_bottomscreen = sprbotscreen == INT32_MAX ? my_topscreen + spryscale*col->length + : sprbotscreen + spryscale*col->length; + + my_yl = (my_topscreen+FRACUNIT-1)>>FRACBITS; + my_yh = (my_bottomscreen-1)>>FRACBITS; + // CONS_Debug(DBG_RENDER, "my_topscreen: %d\nmy_bottomscreen: %d\nmy_yl: %d\nmy_yh: %d\n", my_topscreen, my_bottomscreen, my_yl, my_yh); + + if (numffloors) + { + INT32 top = my_yl; + INT32 bottom = my_yh; + + for (i = 0; i < numffloors; i++) + { + if (!ffloor[i].polyobj || ffloor[i].polyobj != curline->polyseg) + continue; + + if (ffloor[i].height < viewz) + { + INT32 top_w = ffloor[i].plane->top[dc_x]; + + // CONS_Debug(DBG_RENDER, "Leveltime : %d\n", leveltime); + // CONS_Debug(DBG_RENDER, "Top is %d, top_w is %d\n", top, top_w); + if (top_w < top) + { + ffloor[i].plane->top[dc_x] = (INT16)top; + ffloor[i].plane->picnum = 0; + } + // CONS_Debug(DBG_RENDER, "top_w is now %d\n", ffloor[i].plane->top[dc_x]); + } + else if (ffloor[i].height > viewz) + { + INT32 bottom_w = ffloor[i].plane->bottom[dc_x]; + + if (bottom_w > bottom) + { + ffloor[i].plane->bottom[dc_x] = (INT16)bottom; + ffloor[i].plane->picnum = 0; + } + } + } + } + } + else +#endif + colfunc_2s(col); + } + spryscale += rw_scalestep; + } + } + colfunc = colfuncs[BASEDRAWFUNC]; +} + +// Loop through R_DrawMaskedColumn calls +static void R_DrawRepeatMaskedColumn(column_t *col) +{ + while (sprtopscreen < sprbotscreen) { + R_DrawMaskedColumn(col); + if ((INT64)sprtopscreen + dc_texheight*spryscale > (INT64)INT32_MAX) // prevent overflow + sprtopscreen = INT32_MAX; + else + sprtopscreen += dc_texheight*spryscale; + } +} + +static void R_DrawRepeatFlippedMaskedColumn(column_t *col) +{ + do { + R_DrawFlippedMaskedColumn(col, 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) +{ + 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; +#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; +#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) + { + 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; + + dc_numlights = 0; + if (frontsector->numlights) + { + dc_numlights = frontsector->numlights; + if (dc_numlights > dc_maxlights) + { + dc_maxlights = dc_numlights; + dc_lightlist = Z_Realloc(dc_lightlist, sizeof (*dc_lightlist) * dc_maxlights, PU_STATIC, NULL); + } + + for (i = p = 0; i < dc_numlights; i++) + { +#ifdef ESLOPE + fixed_t leftheight, rightheight; + fixed_t pfloorleft, pfloorright; + INT64 overflow_test; +#endif + light = &frontsector->lightlist[i]; + rlight = &dc_lightlist[p]; +#ifdef ESLOPE + +#define SLOPEPARAMS(slope, end1, end2, normalheight) \ + if (slope) { \ + end1 = P_GetZAt(slope, ds->leftpos.x, ds->leftpos.y); \ + end2 = P_GetZAt(slope, ds->rightpos.x, ds->rightpos.y); \ + } else \ + end1 = end2 = normalheight; + + SLOPEPARAMS(light->slope, leftheight, rightheight, light->height) + SLOPEPARAMS(*pfloor->b_slope, pfloorleft, pfloorright, *pfloor->bottomheight) + + if (leftheight < pfloorleft && rightheight < pfloorright) + continue; + + SLOPEPARAMS(*pfloor->t_slope, pfloorleft, pfloorright, *pfloor->topheight) + + if (leftheight > pfloorleft && rightheight > pfloorright && i+1 < dc_numlights) + { + lightlist_t *nextlight = &frontsector->lightlist[i+1]; + if ((nextlight->slope ? P_GetZAt(nextlight->slope, ds->leftpos.x, ds->leftpos.y) : nextlight->height) > pfloorleft + && (nextlight->slope ? P_GetZAt(nextlight->slope, ds->rightpos.x, ds->rightpos.y) : nextlight->height) > pfloorright) + continue; + } + + 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; + else if (overflow_test > (INT64)CLAMPMIN) rlight->height = (fixed_t)overflow_test; + else rlight->height = CLAMPMIN; + + overflow_test = (INT64)centeryfrac - (((INT64)rightheight*ds->scale2)>>FRACBITS); + if (overflow_test > (INT64)CLAMPMAX) rlight->heightstep = CLAMPMAX; + else if (overflow_test > (INT64)CLAMPMIN) rlight->heightstep = (fixed_t)overflow_test; + else rlight->heightstep = CLAMPMIN; + rlight->heightstep = (rlight->heightstep-rlight->height)/(range); +#else + if (light->height < *pfloor->bottomheight) + continue; + + if (light->height > *pfloor->topheight && i+1 < dc_numlights && frontsector->lightlist[i+1].height > *pfloor->topheight) + continue; + + lheight = light->height;// > *pfloor->topheight ? *pfloor->topheight + FRACUNIT : light->height; + rlight->heightstep = -FixedMul (rw_scalestep, (lheight - viewz)); + rlight->height = (centeryfrac) - FixedMul((lheight - viewz), spryscale); +#endif + rlight->flags = light->flags; + if (light->flags & FF_CUTLEVEL) + { +#ifdef ESLOPE + SLOPEPARAMS(*light->caster->b_slope, leftheight, rightheight, *light->caster->bottomheight) +#undef SLOPEPARAMS + leftheight -= viewz; + rightheight -= viewz; + + // 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->botheight = CLAMPMAX; + else if (overflow_test > (INT64)CLAMPMIN) rlight->botheight = (fixed_t)overflow_test; + else rlight->botheight = CLAMPMIN; + + overflow_test = (INT64)centeryfrac - (((INT64)rightheight*ds->scale2)>>FRACBITS); + if (overflow_test > (INT64)CLAMPMAX) rlight->botheightstep = CLAMPMAX; + else if (overflow_test > (INT64)CLAMPMIN) rlight->botheightstep = (fixed_t)overflow_test; + else rlight->botheightstep = CLAMPMIN; + rlight->botheightstep = (rlight->botheightstep-rlight->botheight)/(range); +#else + lheight = *light->caster->bottomheight;// > *pfloor->topheight ? *pfloor->topheight + FRACUNIT : *light->caster->bottomheight; + rlight->botheightstep = -FixedMul (rw_scalestep, (lheight - viewz)); + rlight->botheight = (centeryfrac) - FixedMul((lheight - viewz), spryscale); +#endif + } + + rlight->lightlevel = *light->lightlevel; + rlight->extra_colormap = *light->extra_colormap; + + // Check if the current light effects the colormap/lightlevel + if (pfloor->flags & FF_FOG) + rlight->lightnum = (pfloor->master->frontsector->lightlevel >> LIGHTSEGSHIFT); + else + rlight->lightnum = (rlight->lightlevel >> LIGHTSEGSHIFT); + + if (pfloor->flags & FF_FOG || rlight->flags & FF_FOG || (rlight->extra_colormap && rlight->extra_colormap->fog)) + ; + else if (curline->v1->y == curline->v2->y) + rlight->lightnum--; + else if (curline->v1->x == curline->v2->x) + rlight->lightnum++; + + p++; + } + + dc_numlights = p; + } + else + { + // Get correct light level! + if ((frontsector->extra_colormap && frontsector->extra_colormap->fog)) + lightnum = (frontsector->lightlevel >> LIGHTSEGSHIFT); + else if (pfloor->flags & FF_FOG) + lightnum = (pfloor->master->frontsector->lightlevel >> LIGHTSEGSHIFT); + else if (colfunc == colfuncs[COLDRAWFUNC_FUZZY]) + lightnum = LIGHTLEVELS-1; + else + lightnum = R_FakeFlat(frontsector, &tempsec, &templight, &templight, false) + ->lightlevel >> LIGHTSEGSHIFT; + + if (pfloor->flags & FF_FOG || (frontsector->extra_colormap && frontsector->extra_colormap->fog)); + else if (curline->v1->y == curline->v2->y) + lightnum--; + else if (curline->v1->x == curline->v2->x) + lightnum++; + + if (lightnum < 0) + walllights = scalelight[0]; + else if (lightnum >= LIGHTLEVELS) + walllights = scalelight[LIGHTLEVELS-1]; + else + walllights = scalelight[lightnum]; + } + + maskedtexturecol = ds->thicksidecol; + + mfloorclip = ds->sprbottomclip; + 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, + // otherwise texture[texnum]->holes may be false when it shouldn't be + R_CheckTextureCache(texnum); + //faB: handle case where multipatch texture is drawn on a 2sided wall, multi-patch textures + // are not stored per-column with post info anymore in Doom Legacy + if (textures[texnum]->holes) + { + if (textures[texnum]->flip & 2) // vertically flipped? + { + colfunc_2s = R_DrawRepeatFlippedMaskedColumn; + column2s_length = textures[texnum]->height; + } + else + 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; + } + +#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); + } +#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; + } + } + colfunc = colfuncs[BASEDRAWFUNC]; + +#undef CLAMPMAX +#undef CLAMPMIN +} + // R_ExpandPlaneY // // A simple function to modify a vsplane's top and bottom for a particular column @@ -101,7 +1341,7 @@ UINT32 nombre = 100000; static void R_RenderSegLoop (void) { angle_t angle; - size_t pindex = 0; + size_t pindex; INT32 yl; INT32 yh; @@ -114,16 +1354,12 @@ static void R_RenderSegLoop (void) INT32 bottom; INT32 i; - // Set the shadowed column drawer for light lists. - if (dc_numlights) - colfunc = colfuncs[COLDRAWFUNC_SHADOWED]; - - for (; rw.x < rw.stopx; rw.x++) + for (; rw_x < rw_stopx; rw_x++) { // mark floor / ceiling areas yl = (topfrac+HEIGHTUNIT-1)>>HEIGHTBITS; - top = ceilingclip[rw.x]+1; + top = ceilingclip[rw_x]+1; // no space above wall? if (yl < top) @@ -134,39 +1370,39 @@ static void R_RenderSegLoop (void) #if 0 bottom = yl-1; - if (bottom >= floorclip[rw.x]) - bottom = floorclip[rw.x]-1; + if (bottom >= floorclip[rw_x]) + bottom = floorclip[rw_x]-1; if (top <= bottom) #else - bottom = yl > floorclip[rw.x] ? floorclip[rw.x] : yl; + bottom = yl > floorclip[rw_x] ? floorclip[rw_x] : yl; if (top <= --bottom && ceilingplane) #endif - R_ExpandPlaneY(ceilingplane, rw.x, top, bottom); + R_ExpandPlaneY(ceilingplane, rw_x, top, bottom); } yh = bottomfrac>>HEIGHTBITS; - bottom = floorclip[rw.x]-1; + bottom = floorclip[rw_x]-1; if (yh > bottom) yh = bottom; if (markfloor) { - top = yh < ceilingclip[rw.x] ? ceilingclip[rw.x] : yh; + top = yh < ceilingclip[rw_x] ? ceilingclip[rw_x] : yh; if (++top <= bottom && floorplane) - R_ExpandPlaneY(floorplane, rw.x, top, bottom); + R_ExpandPlaneY(floorplane, rw_x, top, bottom); } if (numffloors) { - firstseg->frontscale[rw.x] = frontscale[rw.x]; - top = ceilingclip[rw.x]+1; // PRBoom - bottom = floorclip[rw.x]-1; // PRBoom + firstseg->frontscale[rw_x] = frontscale[rw_x]; + top = ceilingclip[rw_x]+1; // PRBoom + bottom = floorclip[rw_x]-1; // PRBoom for (i = 0; i < numffloors; i++) { @@ -178,7 +1414,7 @@ static void R_RenderSegLoop (void) if (ffloor[i].height < viewz) { INT32 top_w = (ffloor[i].f_frac >> HEIGHTBITS) + 1; - INT32 bottom_w = ffloor[i].f_clip[rw.x]; + INT32 bottom_w = ffloor[i].f_clip[rw_x]; if (top_w < top) top_w = top; @@ -189,20 +1425,20 @@ static void R_RenderSegLoop (void) #ifdef POLYOBJECTS_PLANES // Polyobject-specific hack to fix plane leaking -Red if (ffloor[i].polyobj && top_w >= bottom_w) { - ffloor[i].plane->top[rw.x] = 0xFFFF; - ffloor[i].plane->bottom[rw.x] = 0x0000; // fix for sky plane drawing crashes - Monster Iestyn 25/05/18 + ffloor[i].plane->top[rw_x] = 0xFFFF; + ffloor[i].plane->bottom[rw_x] = 0x0000; // fix for sky plane drawing crashes - Monster Iestyn 25/05/18 } else #endif if (top_w <= bottom_w) { - ffloor[i].plane->top[rw.x] = (INT16)top_w; - ffloor[i].plane->bottom[rw.x] = (INT16)bottom_w; + ffloor[i].plane->top[rw_x] = (INT16)top_w; + ffloor[i].plane->bottom[rw_x] = (INT16)bottom_w; } } else if (ffloor[i].height > viewz) { - INT32 top_w = ffloor[i].c_clip[rw.x] + 1; + INT32 top_w = ffloor[i].c_clip[rw_x] + 1; INT32 bottom_w = (ffloor[i].f_frac >> HEIGHTBITS); if (top_w < top) @@ -214,40 +1450,31 @@ static void R_RenderSegLoop (void) #ifdef POLYOBJECTS_PLANES // Polyobject-specific hack to fix plane leaking -Red if (ffloor[i].polyobj && top_w >= bottom_w) { - ffloor[i].plane->top[rw.x] = 0xFFFF; - ffloor[i].plane->bottom[rw.x] = 0x0000; // fix for sky plane drawing crashes - Monster Iestyn 25/05/18 + ffloor[i].plane->top[rw_x] = 0xFFFF; + ffloor[i].plane->bottom[rw_x] = 0x0000; // fix for sky plane drawing crashes - Monster Iestyn 25/05/18 } else #endif if (top_w <= bottom_w) { - ffloor[i].plane->top[rw.x] = (INT16)top_w; - ffloor[i].plane->bottom[rw.x] = (INT16)bottom_w; + ffloor[i].plane->top[rw_x] = (INT16)top_w; + ffloor[i].plane->bottom[rw_x] = (INT16)bottom_w; } } } } - // Calculate lighting. - // Done for light lists anyway to avoid doing it for every light. - if (segtextured || dc_numlights) - { - pindex = FixedMul(rw.scale, FixedDiv(640, vid.width))>>LIGHTSCALESHIFT; - if (pindex >= MAXLIGHTSCALE) - pindex = MAXLIGHTSCALE-1; - } - //SoM: Calculate offsets for Thick fake floors. // calculate texture offset - angle = (rw.centerangle + xtoviewangle[rw.x])>>ANGLETOFINESHIFT; - texturecolumn = rw.offset-FixedMul(FINETANGENT(angle),rw.distance); + angle = (rw_centerangle + xtoviewangle[rw_x])>>ANGLETOFINESHIFT; + texturecolumn = rw_offset-FixedMul(FINETANGENT(angle),rw_distance); #ifdef ESLOPE if (oldtexturecolumn != -1) { - rw.bottomtexturemid += FixedMul(rw.bottomtextureslide, oldtexturecolumn-texturecolumn); - rw.midtexturemid += FixedMul(rw.midtextureslide, oldtexturecolumn-texturecolumn); - rw.toptexturemid += FixedMul(rw.toptextureslide, oldtexturecolumn-texturecolumn); - rw.midtextureback += FixedMul(rw.midtexturebackslide, oldtexturecolumn-texturecolumn); + rw_bottomtexturemid += FixedMul(rw_bottomtextureslide, oldtexturecolumn-texturecolumn); + rw_midtexturemid += FixedMul(rw_midtextureslide, oldtexturecolumn-texturecolumn); + rw_toptexturemid += FixedMul(rw_toptextureslide, oldtexturecolumn-texturecolumn); + rw_midtextureback += FixedMul(rw_midtexturebackslide, oldtexturecolumn-texturecolumn); } oldtexturecolumn = texturecolumn; #endif @@ -257,9 +1484,15 @@ static void R_RenderSegLoop (void) // texturecolumn and lighting are independent of wall tiers if (segtextured) { + // calculate lighting + pindex = FixedMul(rw_scale, FixedDiv(640, vid.width))>>LIGHTSCALESHIFT; + + if (pindex >= MAXLIGHTSCALE) + pindex = MAXLIGHTSCALE-1; + dc_colormap = walllights[pindex]; - dc_x = rw.x; - dc_iscale = 0xffffffffu / (unsigned)rw.scale; + dc_x = rw_x; + dc_iscale = 0xffffffffu / (unsigned)rw_scale; if (frontsector->extra_colormap) dc_colormap = frontsector->extra_colormap->colormap + (dc_colormap - colormaps); @@ -287,14 +1520,21 @@ static void R_RenderSegLoop (void) else xwalllights = scalelight[lightnum]; + pindex = FixedMul(rw_scale, FixedDiv(640, vid.width))>>LIGHTSCALESHIFT; + + if (pindex >= MAXLIGHTSCALE) + pindex = MAXLIGHTSCALE-1; + if (dc_lightlist[i].extra_colormap) dc_lightlist[i].rcolormap = dc_lightlist[i].extra_colormap->colormap + (xwalllights[pindex] - colormaps); else dc_lightlist[i].rcolormap = xwalllights[pindex]; + + colfunc = colfuncs[COLDRAWFUNC_SHADOWED]; } } - frontscale[rw.x] = rw.scale; + frontscale[rw_x] = rw_scale; // draw the wall tiers if (midtexture) @@ -304,7 +1544,7 @@ static void R_RenderSegLoop (void) { dc_yl = yl; dc_yh = yh; - dc_texturemid = rw.midtexturemid; + dc_texturemid = rw_midtexturemid; dc_source = R_GetColumn(midtexture,texturecolumn); dc_texheight = textureheight[midtexture]>>FRACBITS; @@ -325,16 +1565,16 @@ static void R_RenderSegLoop (void) // dont draw anything more for this column, since // a midtexture blocks the view - ceilingclip[rw.x] = (INT16)viewheight; - floorclip[rw.x] = -1; + ceilingclip[rw_x] = (INT16)viewheight; + floorclip[rw_x] = -1; } else { // note: don't use min/max macros, since casting from INT32 to INT16 is involved here if (markceiling) - ceilingclip[rw.x] = (yl >= 0) ? ((yl > viewheight) ? (INT16)viewheight : (INT16)((INT16)yl - 1)) : -1; + ceilingclip[rw_x] = (yl >= 0) ? ((yl > viewheight) ? (INT16)viewheight : (INT16)((INT16)yl - 1)) : -1; if (markfloor) - floorclip[rw.x] = (yh < viewheight) ? ((yh < -1) ? -1 : (INT16)((INT16)yh + 1)) : (INT16)viewheight; + floorclip[rw_x] = (yh < viewheight) ? ((yh < -1) ? -1 : (INT16)((INT16)yh + 1)) : (INT16)viewheight; } } else @@ -346,31 +1586,31 @@ static void R_RenderSegLoop (void) mid = pixhigh>>HEIGHTBITS; pixhigh += pixhighstep; - if (mid >= floorclip[rw.x]) - mid = floorclip[rw.x]-1; + if (mid >= floorclip[rw_x]) + mid = floorclip[rw_x]-1; if (mid >= yl) // back ceiling lower than front ceiling ? { if (yl >= viewheight) // entirely off bottom of screen - ceilingclip[rw.x] = (INT16)viewheight; + ceilingclip[rw_x] = (INT16)viewheight; else if (mid >= 0) // safe to draw top texture { dc_yl = yl; dc_yh = mid; - dc_texturemid = rw.toptexturemid; + dc_texturemid = rw_toptexturemid; dc_source = R_GetColumn(toptexture,texturecolumn); dc_texheight = textureheight[toptexture]>>FRACBITS; colfunc(); - ceilingclip[rw.x] = (INT16)mid; + ceilingclip[rw_x] = (INT16)mid; } else // entirely off top of screen - ceilingclip[rw.x] = -1; + ceilingclip[rw_x] = -1; } else - ceilingclip[rw.x] = (yl >= 0) ? ((yl > viewheight) ? (INT16)viewheight : (INT16)((INT16)yl - 1)) : -1; + ceilingclip[rw_x] = (yl >= 0) ? ((yl > viewheight) ? (INT16)viewheight : (INT16)((INT16)yl - 1)) : -1; } else if (markceiling) // no top wall - ceilingclip[rw.x] = (yl >= 0) ? ((yl > viewheight) ? (INT16)viewheight : (INT16)((INT16)yl - 1)) : -1; + ceilingclip[rw_x] = (yl >= 0) ? ((yl > viewheight) ? (INT16)viewheight : (INT16)((INT16)yl - 1)) : -1; if (bottomtexture) { @@ -379,45 +1619,45 @@ static void R_RenderSegLoop (void) pixlow += pixlowstep; // no space above wall? - if (mid <= ceilingclip[rw.x]) - mid = ceilingclip[rw.x]+1; + if (mid <= ceilingclip[rw_x]) + mid = ceilingclip[rw_x]+1; if (mid <= yh) // back floor higher than front floor ? { if (yh < 0) // entirely off top of screen - floorclip[rw.x] = -1; + floorclip[rw_x] = -1; else if (mid < viewheight) // safe to draw bottom texture { dc_yl = mid; dc_yh = yh; - dc_texturemid = rw.bottomtexturemid; + dc_texturemid = rw_bottomtexturemid; dc_source = R_GetColumn(bottomtexture, texturecolumn); dc_texheight = textureheight[bottomtexture]>>FRACBITS; colfunc(); - floorclip[rw.x] = (INT16)mid; + floorclip[rw_x] = (INT16)mid; } else // entirely off bottom of screen - floorclip[rw.x] = (INT16)viewheight; + floorclip[rw_x] = (INT16)viewheight; } else - floorclip[rw.x] = (yh < viewheight) ? ((yh < -1) ? -1 : (INT16)((INT16)yh + 1)) : (INT16)viewheight; + floorclip[rw_x] = (yh < viewheight) ? ((yh < -1) ? -1 : (INT16)((INT16)yh + 1)) : (INT16)viewheight; } else if (markfloor) // no bottom wall - floorclip[rw.x] = (yh < viewheight) ? ((yh < -1) ? -1 : (INT16)((INT16)yh + 1)) : (INT16)viewheight; + floorclip[rw_x] = (yh < viewheight) ? ((yh < -1) ? -1 : (INT16)((INT16)yh + 1)) : (INT16)viewheight; } if (maskedtexture || numthicksides) { // save texturecol // for backdrawing of masked mid texture - maskedtexturecol[rw.x] = (INT16)texturecolumn; + maskedtexturecol[rw_x] = (INT16)texturecolumn; #ifdef ESLOPE if (maskedtextureheight != NULL) { - maskedtextureheight[rw.x] = (!!(curline->linedef->flags & ML_DONTPEGBOTTOM) ^ !!(curline->linedef->flags & ML_EFFECT3) ? - max(rw.midtexturemid, rw.midtextureback) : - min(rw.midtexturemid, rw.midtextureback)); + maskedtextureheight[rw_x] = (!!(curline->linedef->flags & ML_DONTPEGBOTTOM) ^ !!(curline->linedef->flags & ML_EFFECT3) ? + max(rw_midtexturemid, rw_midtextureback) : + min(rw_midtexturemid, rw_midtextureback)); } #endif } @@ -437,105 +1677,141 @@ static void R_RenderSegLoop (void) for (i = 0; i < numbackffloors; i++) { - ffloor[i].f_clip[rw.x] = ffloor[i].c_clip[rw.x] = (INT16)((ffloor[i].b_frac >> HEIGHTBITS) & 0xFFFF); + ffloor[i].f_clip[rw_x] = ffloor[i].c_clip[rw_x] = (INT16)((ffloor[i].b_frac >> HEIGHTBITS) & 0xFFFF); ffloor[i].b_frac += ffloor[i].b_step; } - rw.scale += rw.scalestep; + rw_scale += rw_scalestep; topfrac += topstep; bottomfrac += bottomstep; } } -// Macro for slope bullshit -#define SLOPEPARAMS(slope, end1, end2, normalheight) \ - if (slope) { \ - end1 = P_GetZAt(slope, segleft.x, segleft.y); \ - end2 = P_GetZAt(slope, segright.x, segright.y); \ - } else \ - end1 = end2 = normalheight; - -// -// R_CalculateSegDistance -// Calculate the distance from a seg. -// Uses precalculated seg length. -// -static void R_CalculateSegDistance(seg_t *seg, INT64 x2, INT64 y2, boolean longboi) +// Uses precalculated seg->length +static INT64 R_CalcSegDist(seg_t* seg, INT64 x2, INT64 y2) { -#ifdef SOFTWARE_USE_FLOATS - float v1x = FIXED_TO_FLOAT(seg->v1->x); - float v1y = FIXED_TO_FLOAT(seg->v1->y); - float v2x = FIXED_TO_FLOAT(seg->v2->x); - float v2y = FIXED_TO_FLOAT(seg->v2->y); - float dx, dy, vdx, vdy; - float distance = 0.0f; - - // The seg is vertical. if (!seg->linedef->dy) - distance = fabsf(y2 - v1y); - // The seg is horizontal. + return llabs(y2 - seg->v1->y); else if (!seg->linedef->dx) - distance = fabsf(x2 - v1x); - // Uses precalculated seg->flength - else if (longboi) - { - dx = v2x-v1x; - dy = v2y-v1y; - vdx = x2-v1x; - vdy = y2-v1y; - distance = ((dy*vdx)-(dx*vdy))/(seg->flength); - } - // Linguica's fix converted to floating-point math - else - { - fixed_t x, y; - float a, c, ac; - - v1x -= FIXED_TO_FLOAT(viewx); - v1y -= FIXED_TO_FLOAT(viewy); - v2x -= FIXED_TO_FLOAT(viewx); - v2y -= FIXED_TO_FLOAT(viewy); - dx = v2x - v1x; - dy = v2y - v1y; - - a = (v1x*v2y) - (v1y*v2x); - c = (dx*dx) + (dy*dy); - ac = (a/c); - - x = FLOAT_TO_FIXED(ac*(-dy)); - y = FLOAT_TO_FIXED(ac*dx); - - rw.distance = R_PointToDist(viewx + x, viewy + y); - return; - } - - rw.distance = FLOAT_TO_FIXED(distance); -#else - (void)longboi; - if (!seg->linedef->dy) - rw.distance = (fixed_t)(llabs(y2 - seg->v1->y)); - else if (!seg->linedef->dx) - rw.distance = (fixed_t)(llabs(x2 - seg->v1->x)); + return llabs(x2 - seg->v1->x); else { INT64 dx = (seg->v2->x)-(seg->v1->x); INT64 dy = (seg->v2->y)-(seg->v1->y); INT64 vdx = x2-(seg->v1->x); INT64 vdy = y2-(seg->v1->y); - rw.distance = (fixed_t)(((dy*vdx)-(dx*vdy))/(seg->length)); + return ((dy*vdx)-(dx*vdy))/(seg->length); } -#endif } // -// R_CalculateWallScale -// Calculate scale at both ends and step. +// R_StoreWallRange +// A wall segment will be drawn +// between start and stop pixels (inclusive). // -static INT32 R_CalculateWallScale(INT32 start, INT32 stop) +void R_StoreWallRange(INT32 start, INT32 stop) { - INT32 range = 1; + fixed_t hyp; + fixed_t sineval; + angle_t distangle, offsetangle; + boolean longboi; +#ifndef ESLOPE + fixed_t vtop; +#endif + INT32 lightnum; + INT32 i, p; + lightlist_t *light; + r_lightlist_t *rlight; + INT32 range; +#ifdef ESLOPE + vertex_t segleft, segright; + fixed_t ceilingfrontslide, floorfrontslide, ceilingbackslide, floorbackslide; +#endif + static size_t maxdrawsegs = 0; - ds_p->scale1 = rw.scale = R_ScaleFromGlobalAngle(viewangle + xtoviewangle[start]); +#ifdef ESLOPE + maskedtextureheight = NULL; + //initialize segleft and segright + memset(&segleft, 0x00, sizeof(segleft)); + memset(&segright, 0x00, sizeof(segright)); +#endif + + colfunc = colfuncs[BASEDRAWFUNC]; + + if (ds_p == drawsegs+maxdrawsegs) + { + size_t curpos = curdrawsegs - drawsegs; + size_t pos = ds_p - drawsegs; + size_t newmax = maxdrawsegs ? maxdrawsegs*2 : 128; + if (firstseg) + firstseg = (drawseg_t *)(firstseg - drawsegs); + drawsegs = Z_Realloc(drawsegs, newmax*sizeof (*drawsegs), PU_STATIC, NULL); + ds_p = drawsegs + pos; + maxdrawsegs = newmax; + curdrawsegs = drawsegs + curpos; + if (firstseg) + firstseg = drawsegs + (size_t)firstseg; + } + + sidedef = curline->sidedef; + linedef = curline->linedef; + + // calculate rw_distance for scale calculation + rw_normalangle = curline->angle + ANGLE_90; + offsetangle = abs((INT32)(rw_normalangle-rw_angle1)); + + if (offsetangle > ANGLE_90) + offsetangle = ANGLE_90; + + distangle = ANGLE_90 - offsetangle; + sineval = FINESINE(distangle>>ANGLETOFINESHIFT); + + hyp = R_PointToDist(curline->v1->x, curline->v1->y); + rw_distance = FixedMul(hyp, sineval); + longboi = (hyp >= INT32_MAX); + + // big room fix + if (longboi) + rw_distance = (fixed_t)R_CalcSegDist(curline,viewx,viewy); + + ds_p->x1 = rw_x = start; + ds_p->x2 = stop; + ds_p->curline = curline; + rw_stopx = stop+1; + + //SoM: Code to remove limits on openings. + { + size_t pos = lastopening - openings; + size_t need = (rw_stopx - start)*4 + pos; + if (need > maxopenings) + { + drawseg_t *ds; //needed for fix from *cough* zdoom *cough* + INT16 *oldopenings = openings; + INT16 *oldlast = lastopening; + + do + maxopenings = maxopenings ? maxopenings*2 : 16384; + while (need > maxopenings); + openings = Z_Realloc(openings, maxopenings * sizeof (*openings), PU_STATIC, NULL); + lastopening = openings + pos; + + // borrowed fix from *cough* zdoom *cough* + // [RH] We also need to adjust the openings pointers that + // were already stored in drawsegs. + for (ds = drawsegs; ds < ds_p; ds++) + { +#define ADJUST(p) if (ds->p + ds->x1 >= oldopenings && ds->p + ds->x1 <= oldlast) ds->p = ds->p - oldopenings + openings; + ADJUST(maskedtexturecol); + ADJUST(sprtopclip); + ADJUST(sprbottomclip); + ADJUST(thicksidecol); +#undef ADJUST + } + } + } // end of code to remove limits on openings + + // calculate scale at both ends and step + ds_p->scale1 = rw_scale = R_ScaleFromGlobalAngle(viewangle + xtoviewangle[start]); if (stop > start) { @@ -546,7 +1822,7 @@ static INT32 R_CalculateWallScale(INT32 start, INT32 stop) { // UNUSED: try to fix the stretched line bug #if 0 - if (rw.distance < FRACUNIT/2) + if (rw_distance < FRACUNIT/2) { fixed_t tr_x,tr_y; fixed_t gxt,gyt; @@ -561,20 +1837,13 @@ static INT32 R_CalculateWallScale(INT32 start, INT32 stop) } #endif ds_p->scale2 = ds_p->scale1; + range = 1; } - ds_p->scalestep = rw.scalestep = (ds_p->scale2 - rw.scale) / (range); + ds_p->scalestep = rw_scalestep = (ds_p->scale2 - rw_scale) / (range); - return range; -} - -// -// R_WorldTopAndBottom -// Calculate texture boundaries -// and decide if floor or ceiling marks are needed. -// -static void R_WorldTopAndBottom(INT32 start, INT32 stop) -{ + // calculate texture boundaries + // and decide if floor / ceiling marks are needed #ifdef ESLOPE // Figure out map coordinates of where start and end are mapping to on seg, so we can clip right for slope bullshit if (frontsector->hasslope || (backsector && backsector->hasslope)) // Commenting this out for FOFslop. -Red @@ -626,6 +1895,14 @@ static void R_WorldTopAndBottom(INT32 start, INT32 stop) } } + +#define SLOPEPARAMS(slope, end1, end2, normalheight) \ + if (slope) { \ + end1 = P_GetZAt(slope, segleft.x, segleft.y); \ + end2 = P_GetZAt(slope, segright.x, segright.y); \ + } else \ + end1 = end2 = normalheight; + SLOPEPARAMS(frontsector->c_slope, worldtop, worldtopslope, frontsector->ceilingheight) SLOPEPARAMS(frontsector->f_slope, worldbottom, worldbottomslope, frontsector->floorheight) // subtract viewz from these to turn them into @@ -638,350 +1915,60 @@ static void R_WorldTopAndBottom(INT32 start, INT32 stop) worldtop = frontsector->ceilingheight - viewz; worldbottom = frontsector->floorheight - viewz; #endif -} -// -// R_SegTextured -// Calculate rw.offset. -// Only needed for textured lines. -// -static void R_SegTextured(fixed_t hyp, boolean longboi) -{ - INT32 lightnum; - fixed_t sineval; - angle_t offsetangle = rw.normalangle-rw.angle1; + midtexture = toptexture = bottomtexture = maskedtexture = 0; + ds_p->maskedtexturecol = NULL; + ds_p->numthicksides = numthicksides = 0; + ds_p->thicksidecol = NULL; + ds_p->tsilheight = 0; - if (offsetangle > ANGLE_180) - offsetangle = -(signed)offsetangle; - if (offsetangle > ANGLE_90) - offsetangle = ANGLE_90; + numbackffloors = 0; - sineval = FINESINE(offsetangle>>ANGLETOFINESHIFT); - rw.offset = FixedMul(hyp, sineval); + for (i = 0; i < MAXFFLOORS; i++) + ds_p->thicksides[i] = NULL; - // big room fix - if (longboi) + if (numffloors) { - INT64 dx = (curline->v2->x)-(curline->v1->x); - INT64 dy = (curline->v2->y)-(curline->v1->y); - INT64 vdx = viewx-(curline->v1->x); - INT64 vdy = viewy-(curline->v1->y); - rw.offset = ((dx*vdx-dy*vdy))/(curline->length); + for (i = 0; i < numffloors; i++) + { +#ifdef POLYOBJECTS_PLANES + if (ffloor[i].polyobj && (!ds_p->curline->polyseg || ffloor[i].polyobj != ds_p->curline->polyseg)) + continue; +#endif + +#ifdef ESLOPE + if (ffloor[i].slope) { + ffloor[i].f_pos = P_GetZAt(ffloor[i].slope, segleft.x, segleft.y) - viewz; + ffloor[i].f_pos_slope = P_GetZAt(ffloor[i].slope, segright.x, segright.y) - viewz; + } else + ffloor[i].f_pos_slope = +#endif + ffloor[i].f_pos = ffloor[i].height - viewz; + } } - if (rw.normalangle-rw.angle1 < ANGLE_180) - rw.offset = -rw.offset; +#ifdef ESLOPE + // Set up texture Y offset slides for sloped walls + rw_toptextureslide = rw_midtextureslide = rw_bottomtextureslide = 0; + ceilingfrontslide = floorfrontslide = ceilingbackslide = floorbackslide = 0; - /// don't use texture offset for splats - rw.offset2 = rw.offset + curline->offset; - rw.offset += sidedef->textureoffset + curline->offset; - rw.centerangle = ANGLE_90 + viewangle - rw.normalangle; - - // calculate light table - // use different light tables - // for horizontal / vertical / diagonal - // OPTIMIZE: get rid of LIGHTSEGSHIFT globally - lightnum = (frontsector->lightlevel >> LIGHTSEGSHIFT); - - if (curline->v1->y == curline->v2->y) - lightnum--; - else if (curline->v1->x == curline->v2->x) - lightnum++; - - if (lightnum < 0) - walllights = scalelight[0]; - else if (lightnum >= LIGHTLEVELS) - walllights = scalelight[LIGHTLEVELS - 1]; - else - walllights = scalelight[lightnum]; -} - -// -// R_CheckMaskedTextures -// Midtexture stuff, presumably. -// -static void R_CheckMaskedTextures(void) -{ - INT32 i = 0; - // allocate space for masked texture tables - if (frontsector && backsector && frontsector->tag != backsector->tag && (backsector->ffloors || frontsector->ffloors)) { - ffloor_t *rover; - ffloor_t *r2; - fixed_t lowcut, highcut; -#ifdef ESLOPE - fixed_t lowcutslope, highcutslope; + angle_t lineangle = R_PointToAngle2(curline->v1->x, curline->v1->y, curline->v2->x, curline->v2->y); - // Used for height comparisons and etc across FOFs and slopes - fixed_t high1, highslope1, low1, lowslope1, high2, highslope2, low2, lowslope2; -#endif + if (frontsector->f_slope) + floorfrontslide = FixedMul(frontsector->f_slope->zdelta, FINECOSINE((lineangle-frontsector->f_slope->xydirection)>>ANGLETOFINESHIFT)); - //markceiling = markfloor = true; - maskedtexture = true; + if (frontsector->c_slope) + ceilingfrontslide = FixedMul(frontsector->c_slope->zdelta, FINECOSINE((lineangle-frontsector->c_slope->xydirection)>>ANGLETOFINESHIFT)); - ds_p->thicksidecol = maskedtexturecol = lastopening - rw.x; - lastopening += rw.stopx - rw.x; + if (backsector && backsector->f_slope) + floorbackslide = FixedMul(backsector->f_slope->zdelta, FINECOSINE((lineangle-backsector->f_slope->xydirection)>>ANGLETOFINESHIFT)); - lowcut = max(worldbottom, worldlow) + viewz; - highcut = min(worldtop, worldhigh) + viewz; -#ifdef ESLOPE - lowcutslope = max(worldbottomslope, worldlowslope) + viewz; - highcutslope = min(worldtopslope, worldhighslope) + viewz; -#endif - - if (frontsector->ffloors && backsector->ffloors) - { - i = 0; - for (rover = backsector->ffloors; rover && i < MAXFFLOORS; rover = rover->next) - { - if (!(rover->flags & FF_RENDERSIDES) || !(rover->flags & FF_EXISTS)) - continue; - if (rover->flags & FF_INVERTSIDES) - continue; - - if (rover->norender == leveltime) - continue; - -#ifdef ESLOPE - SLOPEPARAMS(*rover->t_slope, high1, highslope1, *rover->topheight) - SLOPEPARAMS(*rover->b_slope, low1, lowslope1, *rover->bottomheight) - - if ((high1 < lowcut && highslope1 < lowcutslope) || (low1 > highcut && lowslope1 > highcutslope)) - continue; -#else - if (*rover->topheight < lowcut || *rover->bottomheight > highcut) - continue; -#endif - - for (r2 = frontsector->ffloors; r2; r2 = r2->next) - { - if (!(r2->flags & FF_EXISTS) || !(r2->flags & FF_RENDERSIDES)) - continue; - - if (r2->norender == leveltime) - continue; - - if (rover->flags & FF_EXTRA) - { - if (!(r2->flags & FF_CUTEXTRA)) - continue; - - if (r2->flags & FF_EXTRA && (r2->flags & (FF_TRANSLUCENT|FF_FOG)) != (rover->flags & (FF_TRANSLUCENT|FF_FOG))) - continue; - } - else - { - if (!(r2->flags & FF_CUTSOLIDS)) - continue; - } - -#ifdef ESLOPE - SLOPEPARAMS(*r2->t_slope, high2, highslope2, *r2->topheight) - SLOPEPARAMS(*r2->b_slope, low2, lowslope2, *r2->bottomheight) - - if ((high2 < lowcut || highslope2 < lowcutslope) || (low2 > highcut || lowslope2 > highcutslope)) - continue; - if ((high1 > high2 || highslope1 > highslope2) || (low1 < low2 || lowslope1 < lowslope2)) - continue; -#else - if (*r2->topheight < lowcut || *r2->bottomheight > highcut) - continue; - if (*rover->topheight > *r2->topheight || *rover->bottomheight < *r2->bottomheight) - continue; -#endif - - break; - } - if (r2) - continue; - - ds_p->thicksides[i] = rover; - i++; - } - - for (rover = frontsector->ffloors; rover && i < MAXFFLOORS; rover = rover->next) - { - if (!(rover->flags & FF_RENDERSIDES) || !(rover->flags & FF_EXISTS)) - continue; - if (!(rover->flags & FF_ALLSIDES)) - continue; - - if (rover->norender == leveltime) - continue; - -#ifdef ESLOPE - SLOPEPARAMS(*rover->t_slope, high1, highslope1, *rover->topheight) - SLOPEPARAMS(*rover->b_slope, low1, lowslope1, *rover->bottomheight) - - if ((high1 < lowcut && highslope1 < lowcutslope) || (low1 > highcut && lowslope1 > highcutslope)) - continue; -#else - if (*rover->topheight < lowcut || *rover->bottomheight > highcut) - continue; -#endif - - for (r2 = backsector->ffloors; r2; r2 = r2->next) - { - if (!(r2->flags & FF_EXISTS) || !(r2->flags & FF_RENDERSIDES)) - continue; - - if (r2->norender == leveltime) - continue; - - if (rover->flags & FF_EXTRA) - { - if (!(r2->flags & FF_CUTEXTRA)) - continue; - - if (r2->flags & FF_EXTRA && (r2->flags & (FF_TRANSLUCENT|FF_FOG)) != (rover->flags & (FF_TRANSLUCENT|FF_FOG))) - continue; - } - else - { - if (!(r2->flags & FF_CUTSOLIDS)) - continue; - } - -#ifdef ESLOPE - SLOPEPARAMS(*r2->t_slope, high2, highslope2, *r2->topheight) - SLOPEPARAMS(*r2->b_slope, low2, lowslope2, *r2->bottomheight) - if ((high2 < lowcut || highslope2 < lowcutslope) || (low2 > highcut || lowslope2 > highcutslope)) - continue; - if ((high1 > high2 || highslope1 > highslope2) || (low1 < low2 || lowslope1 < lowslope2)) - continue; -#else - if (*r2->topheight < lowcut || *r2->bottomheight > highcut) - continue; - if (*rover->topheight > *r2->topheight || *rover->bottomheight < *r2->bottomheight) - continue; -#endif - - break; - } - if (r2) - continue; - - ds_p->thicksides[i] = rover; - i++; - } - } - else if (backsector->ffloors) - { - for (rover = backsector->ffloors, i = 0; rover && i < MAXFFLOORS; rover = rover->next) - { - if (!(rover->flags & FF_RENDERSIDES) || !(rover->flags & FF_EXISTS) || rover->flags & FF_INVERTSIDES) - continue; - if (rover->norender == leveltime) - continue; - -#ifdef ESLOPE - // Oy vey. - if (( (*rover->t_slope ? P_GetZAt(*rover->t_slope, segleft.x, segleft.y) : *rover->topheight) <= worldbottom+viewz - && (*rover->t_slope ? P_GetZAt(*rover->t_slope, segright.x, segright.y) : *rover->topheight) <= worldbottomslope+viewz) - ||((*rover->b_slope ? P_GetZAt(*rover->b_slope, segleft.x, segleft.y) : *rover->bottomheight) >= worldtop+viewz - && (*rover->b_slope ? P_GetZAt(*rover->b_slope, segright.x, segright.y) : *rover->bottomheight) >= worldtopslope+viewz)) - continue; -#else - if (*rover->topheight <= frontsector->floorheight || *rover->bottomheight >= frontsector->ceilingheight) - continue; -#endif - - ds_p->thicksides[i] = rover; - i++; - } - } - else if (frontsector->ffloors) - { - for (rover = frontsector->ffloors, i = 0; rover && i < MAXFFLOORS; rover = rover->next) - { - if (!(rover->flags & FF_RENDERSIDES) || !(rover->flags & FF_EXISTS) || !(rover->flags & FF_ALLSIDES)) - continue; - if (rover->norender == leveltime) - continue; -#ifdef ESLOPE - // Oy vey. - if (( (*rover->t_slope ? P_GetZAt(*rover->t_slope, segleft.x, segleft.y) : *rover->topheight) <= worldbottom+viewz - && (*rover->t_slope ? P_GetZAt(*rover->t_slope, segright.x, segright.y) : *rover->topheight) <= worldbottomslope+viewz) - ||((*rover->b_slope ? P_GetZAt(*rover->b_slope, segleft.x, segleft.y) : *rover->bottomheight) >= worldtop+viewz - && (*rover->b_slope ? P_GetZAt(*rover->b_slope, segright.x, segright.y) : *rover->bottomheight) >= worldtopslope+viewz)) - continue; - - if (( (*rover->t_slope ? P_GetZAt(*rover->t_slope, segleft.x, segleft.y) : *rover->topheight) <= worldlow+viewz - && (*rover->t_slope ? P_GetZAt(*rover->t_slope, segright.x, segright.y) : *rover->topheight) <= worldlowslope+viewz) - ||((*rover->b_slope ? P_GetZAt(*rover->b_slope, segleft.x, segleft.y) : *rover->bottomheight) >= worldhigh+viewz - && (*rover->b_slope ? P_GetZAt(*rover->b_slope, segright.x, segright.y) : *rover->bottomheight) >= worldhighslope+viewz)) - continue; -#else - if (*rover->topheight <= frontsector->floorheight || *rover->bottomheight >= frontsector->ceilingheight) - continue; - if (*rover->topheight <= backsector->floorheight || *rover->bottomheight >= backsector->ceilingheight) - continue; -#endif - - ds_p->thicksides[i] = rover; - i++; - } - } - - ds_p->numthicksides = numthicksides = i; + if (backsector && backsector->c_slope) + ceilingbackslide = FixedMul(backsector->c_slope->zdelta, FINECOSINE((lineangle-backsector->c_slope->xydirection)>>ANGLETOFINESHIFT)); } - - if (sidedef->midtexture > 0 && sidedef->midtexture < numtextures) - { - // masked midtexture - if (!ds_p->thicksidecol) - { - ds_p->maskedtexturecol = maskedtexturecol = lastopening - rw.x; - lastopening += rw.stopx - rw.x; - } - else - ds_p->maskedtexturecol = ds_p->thicksidecol; - -#ifdef ESLOPE - maskedtextureheight = ds_p->maskedtextureheight; // note to red, this == &(ds_p->maskedtextureheight[0]) - -#ifdef POLYOBJECTS - if (curline->polyseg) { // use REAL front and back floors please, so midtexture rendering isn't mucked up - rw.midtextureslide = rw.midtexturebackslide = 0; - if (!!(linedef->flags & ML_DONTPEGBOTTOM) ^ !!(linedef->flags & ML_EFFECT3)) - rw.midtexturemid = rw.midtextureback = max(curline->frontsector->floorheight, curline->backsector->floorheight) - viewz; - else - rw.midtexturemid = rw.midtextureback = min(curline->frontsector->ceilingheight, curline->backsector->ceilingheight) - viewz; - } else -#endif - // Set midtexture starting height - if (linedef->flags & ML_EFFECT2) { // Ignore slopes when texturing - rw.midtextureslide = rw.midtexturebackslide = 0; - if (!!(linedef->flags & ML_DONTPEGBOTTOM) ^ !!(linedef->flags & ML_EFFECT3)) - rw.midtexturemid = rw.midtextureback = max(frontsector->floorheight, backsector->floorheight) - viewz; - else - rw.midtexturemid = rw.midtextureback = min(frontsector->ceilingheight, backsector->ceilingheight) - viewz; - - } else if (!!(linedef->flags & ML_DONTPEGBOTTOM) ^ !!(linedef->flags & ML_EFFECT3)) { - rw.midtexturemid = worldbottom; - rw.midtextureslide = floorfrontslide; - rw.midtextureback = worldlow; - rw.midtexturebackslide = floorbackslide; - } else { - rw.midtexturemid = worldtop; - rw.midtextureslide = ceilingfrontslide; - rw.midtextureback = worldhigh; - rw.midtexturebackslide = ceilingbackslide; - } - rw.midtexturemid += sidedef->rowoffset; - rw.midtextureback += sidedef->rowoffset; #endif - maskedtexture = true; - } -} - -// -// R_CheckWallTextures -// Self-explanatory, I hope?! -// -static void R_CheckWallTextures(void) -{ if (!backsector) { fixed_t texheight; @@ -993,139 +1980,33 @@ static void R_CheckWallTextures(void) #ifdef ESLOPE if (linedef->flags & ML_EFFECT2) { if (linedef->flags & ML_DONTPEGBOTTOM) - rw.midtexturemid = frontsector->floorheight + texheight - viewz; + rw_midtexturemid = frontsector->floorheight + texheight - viewz; else - rw.midtexturemid = frontsector->ceilingheight - viewz; + rw_midtexturemid = frontsector->ceilingheight - viewz; } else #endif if (linedef->flags & ML_DONTPEGBOTTOM) { #ifdef ESLOPE - rw.midtexturemid = worldbottom + texheight; - rw.midtextureslide = floorfrontslide; + rw_midtexturemid = worldbottom + texheight; + rw_midtextureslide = floorfrontslide; #else vtop = frontsector->floorheight + texheight; // bottom of texture at bottom - rw.midtexturemid = vtop - viewz; + rw_midtexturemid = vtop - viewz; #endif } else { // top of texture at top - rw.midtexturemid = worldtop; + rw_midtexturemid = worldtop; #ifdef ESLOPE - rw.midtextureslide = ceilingfrontslide; + rw_midtextureslide = ceilingfrontslide; #endif } - rw.midtexturemid += sidedef->rowoffset; - } - else - { - // check TOP TEXTURE - if (!bothceilingssky // never draw the top texture if on - && (worldhigh < worldtop -#ifdef ESLOPE - || worldhighslope < worldtopslope -#endif - )) - { - fixed_t texheight; - // top texture - if ((linedef->flags & (ML_DONTPEGTOP) && (linedef->flags & ML_DONTPEGBOTTOM)) - && linedef->sidenum[1] != 0xffff) - { - // Special case... use offsets from 2nd side but only if it has a texture. - side_t *def = &sides[linedef->sidenum[1]]; - toptexture = R_GetTextureNum(def->toptexture); + rw_midtexturemid += sidedef->rowoffset; - if (!toptexture) //Second side has no texture, use the first side's instead. - toptexture = R_GetTextureNum(sidedef->toptexture); - texheight = textureheight[toptexture]; - } - else - { - toptexture = R_GetTextureNum(sidedef->toptexture); - texheight = textureheight[toptexture]; - } -#ifdef ESLOPE - if (!(linedef->flags & ML_EFFECT1)) { // Ignore slopes for lower/upper textures unless flag is checked - if (linedef->flags & ML_DONTPEGTOP) - rw.toptexturemid = frontsector->ceilingheight - viewz; - else - rw.toptexturemid = backsector->ceilingheight - viewz; - } else -#endif - if (linedef->flags & ML_DONTPEGTOP) - { - // top of texture at top - rw.toptexturemid = worldtop; -#ifdef ESLOPE - rw.toptextureslide = ceilingfrontslide; -#endif - } - else - { -#ifdef ESLOPE - rw.toptexturemid = worldhigh + texheight; - rw.toptextureslide = ceilingbackslide; -#else - vtop = backsector->ceilingheight + texheight; - // bottom of texture - rw.toptexturemid = vtop - viewz; -#endif - } - } - // check BOTTOM TEXTURE - if (!bothfloorssky // never draw the bottom texture if on - && (worldlow > worldbottom -#ifdef ESLOPE - || worldlowslope > worldbottomslope -#endif - )) //seulement si VISIBLE!!! - { - // bottom texture - bottomtexture = R_GetTextureNum(sidedef->bottomtexture); - -#ifdef ESLOPE - if (!(linedef->flags & ML_EFFECT1)) { // Ignore slopes for lower/upper textures unless flag is checked - if (linedef->flags & ML_DONTPEGBOTTOM) - rw.bottomtexturemid = frontsector->floorheight - viewz; - else - rw.bottomtexturemid = backsector->floorheight - viewz; - } else -#endif - if (linedef->flags & ML_DONTPEGBOTTOM) - { - // bottom of texture at bottom - // top of texture at top - rw.bottomtexturemid = worldbottom; -#ifdef ESLOPE - rw.bottomtextureslide = floorfrontslide; -#endif - } - else { // top of texture at top - rw.bottomtexturemid = worldlow; -#ifdef ESLOPE - rw.bottomtextureslide = floorbackslide; -#endif - } - } - - rw.toptexturemid += sidedef->rowoffset; - rw.bottomtexturemid += sidedef->rowoffset; - } -} - -// -// R_StoreWallSilhouette -// Sets the silhouette for the current seg. -// Also checks if any floors or ceilings have to be marked. -// -static void R_StoreWallSilhouette(void) -{ - if (!backsector) - { ds_p->silhouette = SIL_BOTH; ds_p->sprtopclip = screenheightarray; ds_p->sprbottomclip = negonearray; @@ -1135,8 +2016,8 @@ static void R_StoreWallSilhouette(void) else { // two sided line - bothceilingssky = false; // turned on if both back and front ceilings are sky - bothfloorssky = false; // likewise, but for floors + boolean bothceilingssky = false; // turned on if both back and front ceilings are sky + boolean bothfloorssky = false; // likewise, but for floors #ifdef ESLOPE SLOPEPARAMS(backsector->c_slope, worldhigh, worldhighslope, backsector->ceilingheight) @@ -1359,22 +2240,460 @@ static void R_StoreWallSilhouette(void) markceiling = markfloor = true; } } - } -} -// -// R_WorldStep -// Does... stepping... stuff? -// -static void R_WorldStep(INT32 range) -{ + // check TOP TEXTURE + if (!bothceilingssky // never draw the top texture if on + && (worldhigh < worldtop +#ifdef ESLOPE + || worldhighslope < worldtopslope +#endif + )) + { + fixed_t texheight; + // top texture + if ((linedef->flags & (ML_DONTPEGTOP) && (linedef->flags & ML_DONTPEGBOTTOM)) + && linedef->sidenum[1] != 0xffff) + { + // Special case... use offsets from 2nd side but only if it has a texture. + side_t *def = &sides[linedef->sidenum[1]]; + toptexture = R_GetTextureNum(def->toptexture); + + if (!toptexture) //Second side has no texture, use the first side's instead. + toptexture = R_GetTextureNum(sidedef->toptexture); + texheight = textureheight[toptexture]; + } + else + { + toptexture = R_GetTextureNum(sidedef->toptexture); + texheight = textureheight[toptexture]; + } +#ifdef ESLOPE + if (!(linedef->flags & ML_EFFECT1)) { // Ignore slopes for lower/upper textures unless flag is checked + if (linedef->flags & ML_DONTPEGTOP) + rw_toptexturemid = frontsector->ceilingheight - viewz; + else + rw_toptexturemid = backsector->ceilingheight - viewz; + } else +#endif + if (linedef->flags & ML_DONTPEGTOP) + { + // top of texture at top + rw_toptexturemid = worldtop; +#ifdef ESLOPE + rw_toptextureslide = ceilingfrontslide; +#endif + } + else + { +#ifdef ESLOPE + rw_toptexturemid = worldhigh + texheight; + rw_toptextureslide = ceilingbackslide; +#else + vtop = backsector->ceilingheight + texheight; + // bottom of texture + rw_toptexturemid = vtop - viewz; +#endif + } + } + // check BOTTOM TEXTURE + if (!bothfloorssky // never draw the bottom texture if on + && (worldlow > worldbottom +#ifdef ESLOPE + || worldlowslope > worldbottomslope +#endif + )) //seulement si VISIBLE!!! + { + // bottom texture + bottomtexture = R_GetTextureNum(sidedef->bottomtexture); + +#ifdef ESLOPE + if (!(linedef->flags & ML_EFFECT1)) { // Ignore slopes for lower/upper textures unless flag is checked + if (linedef->flags & ML_DONTPEGBOTTOM) + rw_bottomtexturemid = frontsector->floorheight - viewz; + else + rw_bottomtexturemid = backsector->floorheight - viewz; + } else +#endif + if (linedef->flags & ML_DONTPEGBOTTOM) + { + // bottom of texture at bottom + // top of texture at top + rw_bottomtexturemid = worldbottom; +#ifdef ESLOPE + rw_bottomtextureslide = floorfrontslide; +#endif + } + else { // top of texture at top + rw_bottomtexturemid = worldlow; +#ifdef ESLOPE + rw_bottomtextureslide = floorbackslide; +#endif + } + } + + rw_toptexturemid += sidedef->rowoffset; + rw_bottomtexturemid += sidedef->rowoffset; + + // allocate space for masked texture tables + if (frontsector && backsector && frontsector->tag != backsector->tag && (backsector->ffloors || frontsector->ffloors)) + { + ffloor_t *rover; + ffloor_t *r2; + fixed_t lowcut, highcut; +#ifdef ESLOPE + fixed_t lowcutslope, highcutslope; + + // Used for height comparisons and etc across FOFs and slopes + fixed_t high1, highslope1, low1, lowslope1, high2, highslope2, low2, lowslope2; +#endif + + //markceiling = markfloor = true; + maskedtexture = true; + + ds_p->thicksidecol = maskedtexturecol = lastopening - rw_x; + lastopening += rw_stopx - rw_x; + + lowcut = max(worldbottom, worldlow) + viewz; + highcut = min(worldtop, worldhigh) + viewz; +#ifdef ESLOPE + lowcutslope = max(worldbottomslope, worldlowslope) + viewz; + highcutslope = min(worldtopslope, worldhighslope) + viewz; +#endif + + if (frontsector->ffloors && backsector->ffloors) + { + i = 0; + for (rover = backsector->ffloors; rover && i < MAXFFLOORS; rover = rover->next) + { + if (!(rover->flags & FF_RENDERSIDES) || !(rover->flags & FF_EXISTS)) + continue; + if (rover->flags & FF_INVERTSIDES) + continue; + + if (rover->norender == leveltime) + continue; + +#ifdef ESLOPE + SLOPEPARAMS(*rover->t_slope, high1, highslope1, *rover->topheight) + SLOPEPARAMS(*rover->b_slope, low1, lowslope1, *rover->bottomheight) + + if ((high1 < lowcut && highslope1 < lowcutslope) || (low1 > highcut && lowslope1 > highcutslope)) + continue; +#else + if (*rover->topheight < lowcut || *rover->bottomheight > highcut) + continue; +#endif + + for (r2 = frontsector->ffloors; r2; r2 = r2->next) + { + if (!(r2->flags & FF_EXISTS) || !(r2->flags & FF_RENDERSIDES)) + continue; + + if (r2->norender == leveltime) + continue; + + if (rover->flags & FF_EXTRA) + { + if (!(r2->flags & FF_CUTEXTRA)) + continue; + + if (r2->flags & FF_EXTRA && (r2->flags & (FF_TRANSLUCENT|FF_FOG)) != (rover->flags & (FF_TRANSLUCENT|FF_FOG))) + continue; + } + else + { + if (!(r2->flags & FF_CUTSOLIDS)) + continue; + } + +#ifdef ESLOPE + SLOPEPARAMS(*r2->t_slope, high2, highslope2, *r2->topheight) + SLOPEPARAMS(*r2->b_slope, low2, lowslope2, *r2->bottomheight) + + if ((high2 < lowcut || highslope2 < lowcutslope) || (low2 > highcut || lowslope2 > highcutslope)) + continue; + if ((high1 > high2 || highslope1 > highslope2) || (low1 < low2 || lowslope1 < lowslope2)) + continue; +#else + if (*r2->topheight < lowcut || *r2->bottomheight > highcut) + continue; + if (*rover->topheight > *r2->topheight || *rover->bottomheight < *r2->bottomheight) + continue; +#endif + + break; + } + if (r2) + continue; + + ds_p->thicksides[i] = rover; + i++; + } + + for (rover = frontsector->ffloors; rover && i < MAXFFLOORS; rover = rover->next) + { + if (!(rover->flags & FF_RENDERSIDES) || !(rover->flags & FF_EXISTS)) + continue; + if (!(rover->flags & FF_ALLSIDES)) + continue; + + if (rover->norender == leveltime) + continue; + +#ifdef ESLOPE + SLOPEPARAMS(*rover->t_slope, high1, highslope1, *rover->topheight) + SLOPEPARAMS(*rover->b_slope, low1, lowslope1, *rover->bottomheight) + + if ((high1 < lowcut && highslope1 < lowcutslope) || (low1 > highcut && lowslope1 > highcutslope)) + continue; +#else + if (*rover->topheight < lowcut || *rover->bottomheight > highcut) + continue; +#endif + + for (r2 = backsector->ffloors; r2; r2 = r2->next) + { + if (!(r2->flags & FF_EXISTS) || !(r2->flags & FF_RENDERSIDES)) + continue; + + if (r2->norender == leveltime) + continue; + + if (rover->flags & FF_EXTRA) + { + if (!(r2->flags & FF_CUTEXTRA)) + continue; + + if (r2->flags & FF_EXTRA && (r2->flags & (FF_TRANSLUCENT|FF_FOG)) != (rover->flags & (FF_TRANSLUCENT|FF_FOG))) + continue; + } + else + { + if (!(r2->flags & FF_CUTSOLIDS)) + continue; + } + +#ifdef ESLOPE + SLOPEPARAMS(*r2->t_slope, high2, highslope2, *r2->topheight) + SLOPEPARAMS(*r2->b_slope, low2, lowslope2, *r2->bottomheight) +#undef SLOPEPARAMS + if ((high2 < lowcut || highslope2 < lowcutslope) || (low2 > highcut || lowslope2 > highcutslope)) + continue; + if ((high1 > high2 || highslope1 > highslope2) || (low1 < low2 || lowslope1 < lowslope2)) + continue; +#else + if (*r2->topheight < lowcut || *r2->bottomheight > highcut) + continue; + if (*rover->topheight > *r2->topheight || *rover->bottomheight < *r2->bottomheight) + continue; +#endif + + break; + } + if (r2) + continue; + + ds_p->thicksides[i] = rover; + i++; + } + } + else if (backsector->ffloors) + { + for (rover = backsector->ffloors, i = 0; rover && i < MAXFFLOORS; rover = rover->next) + { + if (!(rover->flags & FF_RENDERSIDES) || !(rover->flags & FF_EXISTS) || rover->flags & FF_INVERTSIDES) + continue; + if (rover->norender == leveltime) + continue; + +#ifdef ESLOPE + // Oy vey. + if (( (*rover->t_slope ? P_GetZAt(*rover->t_slope, segleft.x, segleft.y) : *rover->topheight) <= worldbottom+viewz + && (*rover->t_slope ? P_GetZAt(*rover->t_slope, segright.x, segright.y) : *rover->topheight) <= worldbottomslope+viewz) + ||((*rover->b_slope ? P_GetZAt(*rover->b_slope, segleft.x, segleft.y) : *rover->bottomheight) >= worldtop+viewz + && (*rover->b_slope ? P_GetZAt(*rover->b_slope, segright.x, segright.y) : *rover->bottomheight) >= worldtopslope+viewz)) + continue; +#else + if (*rover->topheight <= frontsector->floorheight || *rover->bottomheight >= frontsector->ceilingheight) + continue; +#endif + + ds_p->thicksides[i] = rover; + i++; + } + } + else if (frontsector->ffloors) + { + for (rover = frontsector->ffloors, i = 0; rover && i < MAXFFLOORS; rover = rover->next) + { + if (!(rover->flags & FF_RENDERSIDES) || !(rover->flags & FF_EXISTS) || !(rover->flags & FF_ALLSIDES)) + continue; + if (rover->norender == leveltime) + continue; +#ifdef ESLOPE + // Oy vey. + if (( (*rover->t_slope ? P_GetZAt(*rover->t_slope, segleft.x, segleft.y) : *rover->topheight) <= worldbottom+viewz + && (*rover->t_slope ? P_GetZAt(*rover->t_slope, segright.x, segright.y) : *rover->topheight) <= worldbottomslope+viewz) + ||((*rover->b_slope ? P_GetZAt(*rover->b_slope, segleft.x, segleft.y) : *rover->bottomheight) >= worldtop+viewz + && (*rover->b_slope ? P_GetZAt(*rover->b_slope, segright.x, segright.y) : *rover->bottomheight) >= worldtopslope+viewz)) + continue; + + if (( (*rover->t_slope ? P_GetZAt(*rover->t_slope, segleft.x, segleft.y) : *rover->topheight) <= worldlow+viewz + && (*rover->t_slope ? P_GetZAt(*rover->t_slope, segright.x, segright.y) : *rover->topheight) <= worldlowslope+viewz) + ||((*rover->b_slope ? P_GetZAt(*rover->b_slope, segleft.x, segleft.y) : *rover->bottomheight) >= worldhigh+viewz + && (*rover->b_slope ? P_GetZAt(*rover->b_slope, segright.x, segright.y) : *rover->bottomheight) >= worldhighslope+viewz)) + continue; +#else + if (*rover->topheight <= frontsector->floorheight || *rover->bottomheight >= frontsector->ceilingheight) + continue; + if (*rover->topheight <= backsector->floorheight || *rover->bottomheight >= backsector->ceilingheight) + continue; +#endif + + ds_p->thicksides[i] = rover; + i++; + } + } + + ds_p->numthicksides = numthicksides = i; + } + if (sidedef->midtexture > 0 && sidedef->midtexture < numtextures) + { + // masked midtexture + if (!ds_p->thicksidecol) + { + ds_p->maskedtexturecol = maskedtexturecol = lastopening - rw_x; + lastopening += rw_stopx - rw_x; + } + else + ds_p->maskedtexturecol = ds_p->thicksidecol; + +#ifdef ESLOPE + maskedtextureheight = ds_p->maskedtextureheight; // note to red, this == &(ds_p->maskedtextureheight[0]) + +#ifdef POLYOBJECTS + if (curline->polyseg) { // use REAL front and back floors please, so midtexture rendering isn't mucked up + rw_midtextureslide = rw_midtexturebackslide = 0; + if (!!(linedef->flags & ML_DONTPEGBOTTOM) ^ !!(linedef->flags & ML_EFFECT3)) + rw_midtexturemid = rw_midtextureback = max(curline->frontsector->floorheight, curline->backsector->floorheight) - viewz; + else + rw_midtexturemid = rw_midtextureback = min(curline->frontsector->ceilingheight, curline->backsector->ceilingheight) - viewz; + } else +#endif + // Set midtexture starting height + if (linedef->flags & ML_EFFECT2) { // Ignore slopes when texturing + rw_midtextureslide = rw_midtexturebackslide = 0; + if (!!(linedef->flags & ML_DONTPEGBOTTOM) ^ !!(linedef->flags & ML_EFFECT3)) + rw_midtexturemid = rw_midtextureback = max(frontsector->floorheight, backsector->floorheight) - viewz; + else + rw_midtexturemid = rw_midtextureback = min(frontsector->ceilingheight, backsector->ceilingheight) - viewz; + + } else if (!!(linedef->flags & ML_DONTPEGBOTTOM) ^ !!(linedef->flags & ML_EFFECT3)) { + rw_midtexturemid = worldbottom; + rw_midtextureslide = floorfrontslide; + rw_midtextureback = worldlow; + rw_midtexturebackslide = floorbackslide; + } else { + rw_midtexturemid = worldtop; + rw_midtextureslide = ceilingfrontslide; + rw_midtextureback = worldhigh; + rw_midtexturebackslide = ceilingbackslide; + } + rw_midtexturemid += sidedef->rowoffset; + rw_midtextureback += sidedef->rowoffset; +#endif + + maskedtexture = true; + } + } + + // calculate rw_offset (only needed for textured lines) + segtextured = midtexture || toptexture || bottomtexture || maskedtexture || (numthicksides > 0); + + if (segtextured) + { + offsetangle = rw_normalangle-rw_angle1; + + if (offsetangle > ANGLE_180) + offsetangle = -(signed)offsetangle; + + if (offsetangle > ANGLE_90) + offsetangle = ANGLE_90; + + sineval = FINESINE(offsetangle>>ANGLETOFINESHIFT); + rw_offset = FixedMul(hyp, sineval); + + // big room fix + if (longboi) + { + INT64 dx = (curline->v2->x)-(curline->v1->x); + INT64 dy = (curline->v2->y)-(curline->v1->y); + INT64 vdx = viewx-(curline->v1->x); + INT64 vdy = viewy-(curline->v1->y); + rw_offset = ((dx*vdx-dy*vdy))/(curline->length); + } + + if (rw_normalangle-rw_angle1 < ANGLE_180) + rw_offset = -rw_offset; + + /// don't use texture offset for splats + rw_offset2 = rw_offset + curline->offset; + rw_offset += sidedef->textureoffset + curline->offset; + rw_centerangle = ANGLE_90 + viewangle - rw_normalangle; + + // calculate light table + // use different light tables + // for horizontal / vertical / diagonal + // OPTIMIZE: get rid of LIGHTSEGSHIFT globally + lightnum = (frontsector->lightlevel >> LIGHTSEGSHIFT); + + if (curline->v1->y == curline->v2->y) + lightnum--; + else if (curline->v1->x == curline->v2->x) + lightnum++; + + if (lightnum < 0) + walllights = scalelight[0]; + else if (lightnum >= LIGHTLEVELS) + walllights = scalelight[LIGHTLEVELS - 1]; + else + walllights = scalelight[lightnum]; + } + + // if a floor / ceiling plane is on the wrong side + // of the view plane, it is definitely invisible + // and doesn't need to be marked. + if (frontsector->heightsec == -1) + { + if (frontsector->floorpic != skyflatnum + && ( +#ifdef ESLOPE + frontsector->f_slope ? P_GetZAt(frontsector->f_slope, viewx, viewy) : +#endif + frontsector->floorheight) >= viewz) + { + // above view plane + markfloor = false; + } + + if (frontsector->ceilingpic != skyflatnum + && ( +#ifdef ESLOPE + frontsector->c_slope ? P_GetZAt(frontsector->c_slope, viewx, viewy) : +#endif + frontsector->ceilingheight) <= viewz) + { + // below view plane + markceiling = false; + } + } + + // calculate incremental stepping values for texture edges worldtop >>= 4; worldbottom >>= 4; #ifdef ESLOPE worldtopslope >>= 4; worldbottomslope >>= 4; -#else - (void)range; #endif if (linedef->special == HORIZONSPECIAL) { // HORIZON LINES @@ -1382,11 +2701,11 @@ static void R_WorldStep(INT32 range) topfrac = bottomfrac = (centeryfrac>>4); topfrac++; // Prevent 1px HOM } else { - topstep = -FixedMul (rw.scalestep, worldtop); - topfrac = (centeryfrac>>4) - FixedMul (worldtop, rw.scale); + topstep = -FixedMul (rw_scalestep, worldtop); + topfrac = (centeryfrac>>4) - FixedMul (worldtop, rw_scale); - bottomstep = -FixedMul (rw.scalestep,worldbottom); - bottomfrac = (centeryfrac>>4) - FixedMul (worldbottom, rw.scale); + bottomstep = -FixedMul (rw_scalestep,worldbottom); + bottomfrac = (centeryfrac>>4) - FixedMul (worldbottom, rw_scale); #ifdef ESLOPE if (frontsector->c_slope) { @@ -1399,329 +2718,6 @@ static void R_WorldStep(INT32 range) } #endif } -} - -// -// R_WorldBackStep -// Does... stepping... stuff? For backsides?!?!?!?!?!?! -// -static void R_WorldBackStep(INT32 range) -{ - INT32 i; - - worldhigh >>= 4; - worldlow >>= 4; -#ifdef ESLOPE - worldhighslope >>= 4; - worldlowslope >>= 4; -#else - (void)range; -#endif - - if (toptexture) - { - pixhigh = (centeryfrac>>4) - FixedMul (worldhigh, rw.scale); - pixhighstep = -FixedMul (rw.scalestep,worldhigh); - -#ifdef ESLOPE - if (backsector->c_slope) { - fixed_t topfracend = (centeryfrac>>4) - FixedMul (worldhighslope, ds_p->scale2); - pixhighstep = (topfracend-pixhigh)/(range); - } -#endif - } - - if (bottomtexture) - { - pixlow = (centeryfrac>>4) - FixedMul (worldlow, rw.scale); - pixlowstep = -FixedMul (rw.scalestep,worldlow); -#ifdef ESLOPE - if (backsector->f_slope) { - fixed_t bottomfracend = (centeryfrac>>4) - FixedMul (worldlowslope, ds_p->scale2); - pixlowstep = (bottomfracend-pixlow)/(range); - } -#endif - } - - { - ffloor_t * rover; -#ifdef ESLOPE - fixed_t roverleft, roverright; - fixed_t planevistest; -#endif - i = 0; - - if (backsector->ffloors) - { - for (rover = backsector->ffloors; rover && i < MAXFFLOORS; rover = rover->next) - { - if (!(rover->flags & FF_EXISTS) || !(rover->flags & FF_RENDERPLANES)) - continue; - if (rover->norender == leveltime) - continue; - -#ifdef ESLOPE - // Let the renderer know this sector is sloped. - if (*rover->b_slope || *rover->t_slope) - backsector->hasslope = true; - - roverleft = (*rover->b_slope ? P_GetZAt(*rover->b_slope, segleft.x, segleft.y) : *rover->bottomheight) - viewz; - roverright = (*rover->b_slope ? P_GetZAt(*rover->b_slope, segright.x, segright.y) : *rover->bottomheight) - viewz; - planevistest = (*rover->b_slope ? P_GetZAt(*rover->b_slope, viewx, viewy) : *rover->bottomheight); - - if ((roverleft>>4 <= worldhigh || roverright>>4 <= worldhighslope) && - (roverleft>>4 >= worldlow || roverright>>4 >= worldlowslope) && - ((viewz < planevistest && !(rover->flags & FF_INVERTPLANES)) || - (viewz > planevistest && (rover->flags & FF_BOTHPLANES)))) - { - //ffloor[i].slope = *rover->b_slope; - ffloor[i].b_pos = roverleft; - ffloor[i].b_pos_slope = roverright; - ffloor[i].b_pos >>= 4; - ffloor[i].b_pos_slope >>= 4; - ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw.scale); - ffloor[i].b_step = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos_slope, ds_p->scale2); - ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(range); - i++; - } - - if (i >= MAXFFLOORS) - break; - - roverleft = (*rover->t_slope ? P_GetZAt(*rover->t_slope, segleft.x, segleft.y) : *rover->topheight) - viewz; - roverright = (*rover->t_slope ? P_GetZAt(*rover->t_slope, segright.x, segright.y) : *rover->topheight) - viewz; - planevistest = (*rover->t_slope ? P_GetZAt(*rover->t_slope, viewx, viewy) : *rover->topheight); - - if ((roverleft>>4 <= worldhigh || roverright>>4 <= worldhighslope) && - (roverleft>>4 >= worldlow || roverright>>4 >= worldlowslope) && - ((viewz > planevistest && !(rover->flags & FF_INVERTPLANES)) || - (viewz < planevistest && (rover->flags & FF_BOTHPLANES)))) - { - //ffloor[i].slope = *rover->t_slope; - ffloor[i].b_pos = roverleft; - ffloor[i].b_pos_slope = roverright; - ffloor[i].b_pos >>= 4; - ffloor[i].b_pos_slope >>= 4; - ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw.scale); - ffloor[i].b_step = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos_slope, ds_p->scale2); - ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(range); - i++; - } -#else - if (*rover->bottomheight <= backsector->ceilingheight && - *rover->bottomheight >= backsector->floorheight && - ((viewz < *rover->bottomheight && !(rover->flags & FF_INVERTPLANES)) || - (viewz > *rover->bottomheight && (rover->flags & FF_BOTHPLANES)))) - { - ffloor[i].b_pos = *rover->bottomheight; - ffloor[i].b_pos = (ffloor[i].b_pos - viewz) >> 4; - ffloor[i].b_step = FixedMul(-rw.scalestep, ffloor[i].b_pos); - ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw.scale); - i++; - } - - if (i >= MAXFFLOORS) - break; - - if (*rover->topheight >= backsector->floorheight && - *rover->topheight <= backsector->ceilingheight && - ((viewz > *rover->topheight && !(rover->flags & FF_INVERTPLANES)) || - (viewz < *rover->topheight && (rover->flags & FF_BOTHPLANES)))) - { - ffloor[i].b_pos = *rover->topheight; - ffloor[i].b_pos = (ffloor[i].b_pos - viewz) >> 4; - ffloor[i].b_step = FixedMul(-rw.scalestep, ffloor[i].b_pos); - ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw.scale); - i++; - } -#endif - } - } - else if (frontsector && frontsector->ffloors) - { - for (rover = frontsector->ffloors; rover && i < MAXFFLOORS; rover = rover->next) - { - if (!(rover->flags & FF_EXISTS) || !(rover->flags & FF_RENDERPLANES)) - continue; - if (rover->norender == leveltime) - continue; - - -#ifdef ESLOPE - // Let the renderer know this sector is sloped. - if (*rover->b_slope || *rover->t_slope) - frontsector->hasslope = true; - - roverleft = (*rover->b_slope ? P_GetZAt(*rover->b_slope, segleft.x, segleft.y) : *rover->bottomheight) - viewz; - roverright = (*rover->b_slope ? P_GetZAt(*rover->b_slope, segright.x, segright.y) : *rover->bottomheight) - viewz; - planevistest = (*rover->b_slope ? P_GetZAt(*rover->b_slope, viewx, viewy) : *rover->bottomheight); - - if ((roverleft>>4 <= worldhigh || roverright>>4 <= worldhighslope) && - (roverleft>>4 >= worldlow || roverright>>4 >= worldlowslope) && - ((viewz < planevistest && !(rover->flags & FF_INVERTPLANES)) || - (viewz > planevistest && (rover->flags & FF_BOTHPLANES)))) - { - //ffloor[i].slope = *rover->b_slope; - ffloor[i].b_pos = roverleft; - ffloor[i].b_pos_slope = roverright; - ffloor[i].b_pos >>= 4; - ffloor[i].b_pos_slope >>= 4; - ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw.scale); - ffloor[i].b_step = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos_slope, ds_p->scale2); - ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(range); - i++; - } - - if (i >= MAXFFLOORS) - break; - - roverleft = (*rover->t_slope ? P_GetZAt(*rover->t_slope, segleft.x, segleft.y) : *rover->topheight) - viewz; - roverright = (*rover->t_slope ? P_GetZAt(*rover->t_slope, segright.x, segright.y) : *rover->topheight) - viewz; - planevistest = (*rover->t_slope ? P_GetZAt(*rover->t_slope, viewx, viewy) : *rover->topheight); - - if ((roverleft>>4 <= worldhigh || roverright>>4 <= worldhighslope) && - (roverleft>>4 >= worldlow || roverright>>4 >= worldlowslope) && - ((viewz > planevistest && !(rover->flags & FF_INVERTPLANES)) || - (viewz < planevistest && (rover->flags & FF_BOTHPLANES)))) - { - //ffloor[i].slope = *rover->t_slope; - ffloor[i].b_pos = roverleft; - ffloor[i].b_pos_slope = roverright; - ffloor[i].b_pos >>= 4; - ffloor[i].b_pos_slope >>= 4; - ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw.scale); - ffloor[i].b_step = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos_slope, ds_p->scale2); - ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(range); - i++; - } -#else - if (*rover->bottomheight <= frontsector->ceilingheight && - *rover->bottomheight >= frontsector->floorheight && - ((viewz < *rover->bottomheight && !(rover->flags & FF_INVERTPLANES)) || - (viewz > *rover->bottomheight && (rover->flags & FF_BOTHPLANES)))) - { - ffloor[i].b_pos = *rover->bottomheight; - ffloor[i].b_pos = (ffloor[i].b_pos - viewz) >> 4; - ffloor[i].b_step = FixedMul(-rw.scalestep, ffloor[i].b_pos); - ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw.scale); - i++; - } - if (i >= MAXFFLOORS) - break; - if (*rover->topheight >= frontsector->floorheight && - *rover->topheight <= frontsector->ceilingheight && - ((viewz > *rover->topheight && !(rover->flags & FF_INVERTPLANES)) || - (viewz < *rover->topheight && (rover->flags & FF_BOTHPLANES)))) - { - ffloor[i].b_pos = *rover->topheight; - ffloor[i].b_pos = (ffloor[i].b_pos - viewz) >> 4; - ffloor[i].b_step = FixedMul(-rw.scalestep, ffloor[i].b_pos); - ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw.scale); - i++; - } -#endif - } - } - -#ifdef POLYOBJECTS_PLANES - if (curline->polyseg && frontsector && (curline->polyseg->flags & POF_RENDERPLANES)) - { - while (i < numffloors && ffloor[i].polyobj != curline->polyseg) i++; - if (i < numffloors && backsector->floorheight <= frontsector->ceilingheight && - backsector->floorheight >= frontsector->floorheight && - (viewz < backsector->floorheight)) - { - if (ffloor[i].plane->minx > ds_p->x1) - ffloor[i].plane->minx = ds_p->x1; - - if (ffloor[i].plane->maxx < ds_p->x2) - ffloor[i].plane->maxx = ds_p->x2; - -#ifdef ESLOPE - ffloor[i].slope = NULL; -#endif - ffloor[i].b_pos = backsector->floorheight; - ffloor[i].b_pos = (ffloor[i].b_pos - viewz) >> 4; - ffloor[i].b_step = FixedMul(-rw.scalestep, ffloor[i].b_pos); - ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw.scale); - i++; - } - if (i < numffloors && backsector->ceilingheight >= frontsector->floorheight && - backsector->ceilingheight <= frontsector->ceilingheight && - (viewz > backsector->ceilingheight)) - { - if (ffloor[i].plane->minx > ds_p->x1) - ffloor[i].plane->minx = ds_p->x1; - - if (ffloor[i].plane->maxx < ds_p->x2) - ffloor[i].plane->maxx = ds_p->x2; - -#ifdef ESLOPE - ffloor[i].slope = NULL; -#endif - ffloor[i].b_pos = backsector->ceilingheight; - ffloor[i].b_pos = (ffloor[i].b_pos - viewz) >> 4; - ffloor[i].b_step = FixedMul(-rw.scalestep, ffloor[i].b_pos); - ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw.scale); - i++; - } - } -#endif - - numbackffloors = i; - } -} - -// -// R_WorldFFloorStep -// Does... stepping... stuff? For FOFs?! -// -static void R_WorldFFloorStep(INT32 range) -{ - INT32 i; - -#ifndef ESLOPE - (void)range; // Not needed! -#endif - - for (i = 0; i < numffloors; i++) - { - ffloor[i].f_pos >>= 4; -#ifdef ESLOPE - ffloor[i].f_pos_slope >>= 4; -#endif - if (linedef->special == HORIZONSPECIAL) // Horizon lines extend FOFs in contact with them too. - { - ffloor[i].f_step = 0; - ffloor[i].f_frac = (centeryfrac>>4); - topfrac++; // Prevent 1px HOM - } - else - { -#ifdef ESLOPE - ffloor[i].f_frac = (centeryfrac>>4) - FixedMul(ffloor[i].f_pos, rw.scale); - ffloor[i].f_step = ((centeryfrac>>4) - FixedMul(ffloor[i].f_pos_slope, ds_p->scale2) - ffloor[i].f_frac)/(range); -#else - ffloor[i].f_step = FixedMul(-rw.scalestep, ffloor[i].f_pos); - ffloor[i].f_frac = (centeryfrac>>4) - FixedMul(ffloor[i].f_pos, rw.scale); -#endif - } - } -} - -// -// R_WorldLightLists -// Creates light lists. -// -static void R_WorldLightLists(INT32 range) -{ - INT32 i, p; - lightlist_t *light; - r_lightlist_t *rlight; - -#ifndef ESLOPE - (void)range; // Not needed! -#endif dc_numlights = 0; @@ -1778,12 +2774,12 @@ static void R_WorldLightLists(INT32 range) } #ifdef ESLOPE - rlight->height = (centeryfrac>>4) - FixedMul(leftheight, rw.scale); + rlight->height = (centeryfrac>>4) - FixedMul(leftheight, rw_scale); rlight->heightstep = (centeryfrac>>4) - FixedMul(rightheight, ds_p->scale2); rlight->heightstep = (rlight->heightstep-rlight->height)/(range); #else - rlight->height = (centeryfrac>>4) - FixedMul((light->height - viewz) >> 4, rw.scale); - rlight->heightstep = -FixedMul (rw.scalestep, (light->height - viewz) >> 4); + rlight->height = (centeryfrac>>4) - FixedMul((light->height - viewz) >> 4, rw_scale); + rlight->heightstep = -FixedMul (rw_scalestep, (light->height - viewz) >> 4); #endif rlight->flags = light->flags; @@ -1805,13 +2801,13 @@ static void R_WorldLightLists(INT32 range) leftheight >>= 4; rightheight >>= 4; - rlight->botheight = (centeryfrac>>4) - FixedMul(leftheight, rw.scale); + rlight->botheight = (centeryfrac>>4) - FixedMul(leftheight, rw_scale); rlight->botheightstep = (centeryfrac>>4) - FixedMul(rightheight, ds_p->scale2); rlight->botheightstep = (rlight->botheightstep-rlight->botheight)/(range); #else - rlight->botheight = (centeryfrac >> 4) - FixedMul((*light->caster->bottomheight - viewz) >> 4, rw.scale); - rlight->botheightstep = -FixedMul (rw.scalestep, (*light->caster->bottomheight - viewz) >> 4); + rlight->botheight = (centeryfrac >> 4) - FixedMul((*light->caster->bottomheight - viewz) >> 4, rw_scale); + rlight->botheightstep = -FixedMul (rw_scalestep, (*light->caster->bottomheight - viewz) >> 4); #endif } @@ -1822,21 +2818,301 @@ static void R_WorldLightLists(INT32 range) dc_numlights = p; } -} -// -// R_MarkPlanes -// Creates visplanes. -// -static void R_MarkPlanes(void) -{ - INT32 i; + if (numffloors) + { + for (i = 0; i < numffloors; i++) + { + ffloor[i].f_pos >>= 4; +#ifdef ESLOPE + ffloor[i].f_pos_slope >>= 4; +#endif + if (linedef->special == HORIZONSPECIAL) // Horizon lines extend FOFs in contact with them too. + { + ffloor[i].f_step = 0; + ffloor[i].f_frac = (centeryfrac>>4); + topfrac++; // Prevent 1px HOM + } + else + { +#ifdef ESLOPE + ffloor[i].f_frac = (centeryfrac>>4) - FixedMul(ffloor[i].f_pos, rw_scale); + ffloor[i].f_step = ((centeryfrac>>4) - FixedMul(ffloor[i].f_pos_slope, ds_p->scale2) - ffloor[i].f_frac)/(range); +#else + ffloor[i].f_step = FixedMul(-rw_scalestep, ffloor[i].f_pos); + ffloor[i].f_frac = (centeryfrac>>4) - FixedMul(ffloor[i].f_pos, rw_scale); +#endif + } + } + } + + if (backsector) + { + worldhigh >>= 4; + worldlow >>= 4; +#ifdef ESLOPE + worldhighslope >>= 4; + worldlowslope >>= 4; +#endif + + if (toptexture) + { + pixhigh = (centeryfrac>>4) - FixedMul (worldhigh, rw_scale); + pixhighstep = -FixedMul (rw_scalestep,worldhigh); + +#ifdef ESLOPE + if (backsector->c_slope) { + fixed_t topfracend = (centeryfrac>>4) - FixedMul (worldhighslope, ds_p->scale2); + pixhighstep = (topfracend-pixhigh)/(range); + } +#endif + } + + if (bottomtexture) + { + pixlow = (centeryfrac>>4) - FixedMul (worldlow, rw_scale); + pixlowstep = -FixedMul (rw_scalestep,worldlow); +#ifdef ESLOPE + if (backsector->f_slope) { + fixed_t bottomfracend = (centeryfrac>>4) - FixedMul (worldlowslope, ds_p->scale2); + pixlowstep = (bottomfracend-pixlow)/(range); + } +#endif + } + + { + ffloor_t * rover; +#ifdef ESLOPE + fixed_t roverleft, roverright; + fixed_t planevistest; +#endif + i = 0; + + if (backsector->ffloors) + { + for (rover = backsector->ffloors; rover && i < MAXFFLOORS; rover = rover->next) + { + if (!(rover->flags & FF_EXISTS) || !(rover->flags & FF_RENDERPLANES)) + continue; + if (rover->norender == leveltime) + continue; + +#ifdef ESLOPE + // Let the renderer know this sector is sloped. + if (*rover->b_slope || *rover->t_slope) + backsector->hasslope = true; + + roverleft = (*rover->b_slope ? P_GetZAt(*rover->b_slope, segleft.x, segleft.y) : *rover->bottomheight) - viewz; + roverright = (*rover->b_slope ? P_GetZAt(*rover->b_slope, segright.x, segright.y) : *rover->bottomheight) - viewz; + planevistest = (*rover->b_slope ? P_GetZAt(*rover->b_slope, viewx, viewy) : *rover->bottomheight); + + if ((roverleft>>4 <= worldhigh || roverright>>4 <= worldhighslope) && + (roverleft>>4 >= worldlow || roverright>>4 >= worldlowslope) && + ((viewz < planevistest && !(rover->flags & FF_INVERTPLANES)) || + (viewz > planevistest && (rover->flags & FF_BOTHPLANES)))) + { + //ffloor[i].slope = *rover->b_slope; + ffloor[i].b_pos = roverleft; + ffloor[i].b_pos_slope = roverright; + ffloor[i].b_pos >>= 4; + ffloor[i].b_pos_slope >>= 4; + ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw_scale); + ffloor[i].b_step = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos_slope, ds_p->scale2); + ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(range); + i++; + } + + if (i >= MAXFFLOORS) + break; + + roverleft = (*rover->t_slope ? P_GetZAt(*rover->t_slope, segleft.x, segleft.y) : *rover->topheight) - viewz; + roverright = (*rover->t_slope ? P_GetZAt(*rover->t_slope, segright.x, segright.y) : *rover->topheight) - viewz; + planevistest = (*rover->t_slope ? P_GetZAt(*rover->t_slope, viewx, viewy) : *rover->topheight); + + if ((roverleft>>4 <= worldhigh || roverright>>4 <= worldhighslope) && + (roverleft>>4 >= worldlow || roverright>>4 >= worldlowslope) && + ((viewz > planevistest && !(rover->flags & FF_INVERTPLANES)) || + (viewz < planevistest && (rover->flags & FF_BOTHPLANES)))) + { + //ffloor[i].slope = *rover->t_slope; + ffloor[i].b_pos = roverleft; + ffloor[i].b_pos_slope = roverright; + ffloor[i].b_pos >>= 4; + ffloor[i].b_pos_slope >>= 4; + ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw_scale); + ffloor[i].b_step = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos_slope, ds_p->scale2); + ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(range); + i++; + } +#else + if (*rover->bottomheight <= backsector->ceilingheight && + *rover->bottomheight >= backsector->floorheight && + ((viewz < *rover->bottomheight && !(rover->flags & FF_INVERTPLANES)) || + (viewz > *rover->bottomheight && (rover->flags & FF_BOTHPLANES)))) + { + ffloor[i].b_pos = *rover->bottomheight; + ffloor[i].b_pos = (ffloor[i].b_pos - viewz) >> 4; + ffloor[i].b_step = FixedMul(-rw_scalestep, ffloor[i].b_pos); + ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw_scale); + i++; + } + + if (i >= MAXFFLOORS) + break; + + if (*rover->topheight >= backsector->floorheight && + *rover->topheight <= backsector->ceilingheight && + ((viewz > *rover->topheight && !(rover->flags & FF_INVERTPLANES)) || + (viewz < *rover->topheight && (rover->flags & FF_BOTHPLANES)))) + { + ffloor[i].b_pos = *rover->topheight; + ffloor[i].b_pos = (ffloor[i].b_pos - viewz) >> 4; + ffloor[i].b_step = FixedMul(-rw_scalestep, ffloor[i].b_pos); + ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw_scale); + i++; + } +#endif + } + } + else if (frontsector && frontsector->ffloors) + { + for (rover = frontsector->ffloors; rover && i < MAXFFLOORS; rover = rover->next) + { + if (!(rover->flags & FF_EXISTS) || !(rover->flags & FF_RENDERPLANES)) + continue; + if (rover->norender == leveltime) + continue; + + +#ifdef ESLOPE + // Let the renderer know this sector is sloped. + if (*rover->b_slope || *rover->t_slope) + frontsector->hasslope = true; + + roverleft = (*rover->b_slope ? P_GetZAt(*rover->b_slope, segleft.x, segleft.y) : *rover->bottomheight) - viewz; + roverright = (*rover->b_slope ? P_GetZAt(*rover->b_slope, segright.x, segright.y) : *rover->bottomheight) - viewz; + planevistest = (*rover->b_slope ? P_GetZAt(*rover->b_slope, viewx, viewy) : *rover->bottomheight); + + if ((roverleft>>4 <= worldhigh || roverright>>4 <= worldhighslope) && + (roverleft>>4 >= worldlow || roverright>>4 >= worldlowslope) && + ((viewz < planevistest && !(rover->flags & FF_INVERTPLANES)) || + (viewz > planevistest && (rover->flags & FF_BOTHPLANES)))) + { + //ffloor[i].slope = *rover->b_slope; + ffloor[i].b_pos = roverleft; + ffloor[i].b_pos_slope = roverright; + ffloor[i].b_pos >>= 4; + ffloor[i].b_pos_slope >>= 4; + ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw_scale); + ffloor[i].b_step = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos_slope, ds_p->scale2); + ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(range); + i++; + } + + if (i >= MAXFFLOORS) + break; + + roverleft = (*rover->t_slope ? P_GetZAt(*rover->t_slope, segleft.x, segleft.y) : *rover->topheight) - viewz; + roverright = (*rover->t_slope ? P_GetZAt(*rover->t_slope, segright.x, segright.y) : *rover->topheight) - viewz; + planevistest = (*rover->t_slope ? P_GetZAt(*rover->t_slope, viewx, viewy) : *rover->topheight); + + if ((roverleft>>4 <= worldhigh || roverright>>4 <= worldhighslope) && + (roverleft>>4 >= worldlow || roverright>>4 >= worldlowslope) && + ((viewz > planevistest && !(rover->flags & FF_INVERTPLANES)) || + (viewz < planevistest && (rover->flags & FF_BOTHPLANES)))) + { + //ffloor[i].slope = *rover->t_slope; + ffloor[i].b_pos = roverleft; + ffloor[i].b_pos_slope = roverright; + ffloor[i].b_pos >>= 4; + ffloor[i].b_pos_slope >>= 4; + ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw_scale); + ffloor[i].b_step = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos_slope, ds_p->scale2); + ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(range); + i++; + } +#else + if (*rover->bottomheight <= frontsector->ceilingheight && + *rover->bottomheight >= frontsector->floorheight && + ((viewz < *rover->bottomheight && !(rover->flags & FF_INVERTPLANES)) || + (viewz > *rover->bottomheight && (rover->flags & FF_BOTHPLANES)))) + { + ffloor[i].b_pos = *rover->bottomheight; + ffloor[i].b_pos = (ffloor[i].b_pos - viewz) >> 4; + ffloor[i].b_step = FixedMul(-rw_scalestep, ffloor[i].b_pos); + ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw_scale); + i++; + } + if (i >= MAXFFLOORS) + break; + if (*rover->topheight >= frontsector->floorheight && + *rover->topheight <= frontsector->ceilingheight && + ((viewz > *rover->topheight && !(rover->flags & FF_INVERTPLANES)) || + (viewz < *rover->topheight && (rover->flags & FF_BOTHPLANES)))) + { + ffloor[i].b_pos = *rover->topheight; + ffloor[i].b_pos = (ffloor[i].b_pos - viewz) >> 4; + ffloor[i].b_step = FixedMul(-rw_scalestep, ffloor[i].b_pos); + ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw_scale); + i++; + } +#endif + } + } +#ifdef POLYOBJECTS_PLANES + if (curline->polyseg && frontsector && (curline->polyseg->flags & POF_RENDERPLANES)) + { + while (i < numffloors && ffloor[i].polyobj != curline->polyseg) i++; + if (i < numffloors && backsector->floorheight <= frontsector->ceilingheight && + backsector->floorheight >= frontsector->floorheight && + (viewz < backsector->floorheight)) + { + if (ffloor[i].plane->minx > ds_p->x1) + ffloor[i].plane->minx = ds_p->x1; + + if (ffloor[i].plane->maxx < ds_p->x2) + ffloor[i].plane->maxx = ds_p->x2; + +#ifdef ESLOPE + ffloor[i].slope = NULL; +#endif + ffloor[i].b_pos = backsector->floorheight; + ffloor[i].b_pos = (ffloor[i].b_pos - viewz) >> 4; + ffloor[i].b_step = FixedMul(-rw_scalestep, ffloor[i].b_pos); + ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw_scale); + i++; + } + if (i < numffloors && backsector->ceilingheight >= frontsector->floorheight && + backsector->ceilingheight <= frontsector->ceilingheight && + (viewz > backsector->ceilingheight)) + { + if (ffloor[i].plane->minx > ds_p->x1) + ffloor[i].plane->minx = ds_p->x1; + + if (ffloor[i].plane->maxx < ds_p->x2) + ffloor[i].plane->maxx = ds_p->x2; + +#ifdef ESLOPE + ffloor[i].slope = NULL; +#endif + ffloor[i].b_pos = backsector->ceilingheight; + ffloor[i].b_pos = (ffloor[i].b_pos - viewz) >> 4; + ffloor[i].b_step = FixedMul(-rw_scalestep, ffloor[i].b_pos); + ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw_scale); + i++; + } + } +#endif + + numbackffloors = i; + } + } // get a new or use the same visplane if (markceiling) { if (ceilingplane) //SoM: 3/29/2000: Check for null ceiling planes - ceilingplane = R_CheckPlane (ceilingplane, rw.x, rw.stopx-1); + ceilingplane = R_CheckPlane (ceilingplane, rw_x, rw_stopx-1); else markceiling = false; @@ -1850,7 +3126,7 @@ static void R_MarkPlanes(void) if (markfloor) { if (floorplane) //SoM: 3/29/2000: Check for null planes - floorplane = R_CheckPlane (floorplane, rw.x, rw.stopx-1); + floorplane = R_CheckPlane (floorplane, rw_x, rw_stopx-1); else markfloor = false; @@ -1870,7 +3146,7 @@ static void R_MarkPlanes(void) for (i = 0; i < numffloors; i++) { ds_p->ffloorplanes[i] = ffloor[i].plane = - R_CheckPlane(ffloor[i].plane, rw.x, rw.stopx - 1); + R_CheckPlane(ffloor[i].plane, rw_x, rw_stopx - 1); } firstseg = ds_p; @@ -1878,7 +3154,7 @@ static void R_MarkPlanes(void) else { for (i = 0; i < numffloors; i++) - R_ExpandPlane(ffloor[i].plane, rw.x, rw.stopx - 1); + R_ExpandPlane(ffloor[i].plane, rw_x, rw_stopx - 1); } #ifdef POLYOBJECTS_PLANES // FIXME hack to fix planes disappearing when a seg goes behind the camera. This NEEDS to be changed to be done properly. -Red @@ -1888,251 +3164,15 @@ static void R_MarkPlanes(void) { if (!ffloor[i].polyobj || ffloor[i].polyobj != curline->polyseg) continue; - if (ffloor[i].plane->minx > rw.x) - ffloor[i].plane->minx = rw.x; + if (ffloor[i].plane->minx > rw_x) + ffloor[i].plane->minx = rw_x; - if (ffloor[i].plane->maxx < rw.stopx - 1) - ffloor[i].plane->maxx = rw.stopx - 1; + if (ffloor[i].plane->maxx < rw_stopx - 1) + ffloor[i].plane->maxx = rw_stopx - 1; } } #endif } -} - -// -// R_RemoveOpeningLimits -// Code to remove limits on openings. -// -static void R_RemoveOpeningLimits(INT32 start) -{ - size_t pos = lastopening - openings; - size_t need = (rw.stopx - start)*4 + pos; - if (need > maxopenings) - { - drawseg_t *ds; //needed for fix from *cough* zdoom *cough* - INT16 *oldopenings = openings; - INT16 *oldlast = lastopening; - - do - maxopenings = maxopenings ? maxopenings*2 : 16384; - while (need > maxopenings); - openings = Z_Realloc(openings, maxopenings * sizeof (*openings), PU_STATIC, NULL); - lastopening = openings + pos; - - // borrowed fix from *cough* zdoom *cough* - // [RH] We also need to adjust the openings pointers that - // were already stored in drawsegs. - for (ds = drawsegs; ds < ds_p; ds++) - { -#define ADJUST(p) if (ds->p + ds->x1 >= oldopenings && ds->p + ds->x1 <= oldlast) ds->p = ds->p - oldopenings + openings; - ADJUST(maskedtexturecol); - ADJUST(sprtopclip); - ADJUST(sprbottomclip); - ADJUST(thicksidecol); -#undef ADJUST - } - } -} - -// -// R_StoreWallRange -// A wall segment will be drawn -// between start and stop pixels (inclusive). -// -void R_StoreWallRange(INT32 start, INT32 stop) -{ - fixed_t hyp; - fixed_t sineval; - angle_t distangle, offsetangle; - boolean longboi; -#ifndef ESLOPE - fixed_t vtop; -#endif - INT32 i; - INT32 range; - static size_t maxdrawsegs = 0; - -#ifdef ESLOPE - maskedtextureheight = NULL; - //initialize segleft and segright - memset(&segleft, 0x00, sizeof(segleft)); - memset(&segright, 0x00, sizeof(segright)); -#endif - - colfunc = colfuncs[BASEDRAWFUNC]; - - if (ds_p == drawsegs+maxdrawsegs) - { - size_t curpos = curdrawsegs - drawsegs; - size_t pos = ds_p - drawsegs; - size_t newmax = maxdrawsegs ? maxdrawsegs*2 : 128; - if (firstseg) - firstseg = (drawseg_t *)(firstseg - drawsegs); - drawsegs = Z_Realloc(drawsegs, newmax*sizeof (*drawsegs), PU_STATIC, NULL); - ds_p = drawsegs + pos; - maxdrawsegs = newmax; - curdrawsegs = drawsegs + curpos; - if (firstseg) - firstseg = drawsegs + (size_t)firstseg; - } - - sidedef = curline->sidedef; - linedef = curline->linedef; - - // calculate rw.distance for scale calculation - rw.normalangle = curline->angle + ANGLE_90; - offsetangle = abs((INT32)(rw.normalangle-rw.angle1)); - - if (offsetangle > ANGLE_90) - offsetangle = ANGLE_90; - - distangle = ANGLE_90 - offsetangle; - sineval = FINESINE(distangle>>ANGLETOFINESHIFT); - - hyp = R_PointToDist(curline->v1->x, curline->v1->y); - longboi = (hyp >= INT32_MAX); - - // The seg is vertical. - if (curline->v1->y == curline->v2->y) - rw.distance = (fixed_t)(llabs(viewy - curline->v1->y)); - // The seg is horizontal. - else if (curline->v1->x == curline->v2->x) - rw.distance = (fixed_t)(llabs(viewx - curline->v1->x)); - // big room fix -#ifdef SOFTWARE_USE_FLOATS - else if ((curline->length >= 1024<x1 = rw.x = start; - ds_p->x2 = stop; - ds_p->curline = curline; - rw.stopx = stop+1; - - //SoM: Code to remove limits on openings. - R_RemoveOpeningLimits(start); - - // calculate scale at both ends and step - range = R_CalculateWallScale(start, stop); - - // calculate texture boundaries - // and decide if floor / ceiling marks are needed - R_WorldTopAndBottom(start, stop); - - midtexture = toptexture = bottomtexture = maskedtexture = 0; - ds_p->maskedtexturecol = NULL; - ds_p->numthicksides = numthicksides = 0; - ds_p->thicksidecol = NULL; - ds_p->tsilheight = 0; - - numbackffloors = 0; - - for (i = 0; i < MAXFFLOORS; i++) - ds_p->thicksides[i] = NULL; - - if (numffloors) - { - for (i = 0; i < numffloors; i++) - { -#ifdef POLYOBJECTS_PLANES - if (ffloor[i].polyobj && (!ds_p->curline->polyseg || ffloor[i].polyobj != ds_p->curline->polyseg)) - continue; -#endif - -#ifdef ESLOPE - if (ffloor[i].slope) { - ffloor[i].f_pos = P_GetZAt(ffloor[i].slope, segleft.x, segleft.y) - viewz; - ffloor[i].f_pos_slope = P_GetZAt(ffloor[i].slope, segright.x, segright.y) - viewz; - } else - ffloor[i].f_pos_slope = -#endif - ffloor[i].f_pos = ffloor[i].height - viewz; - } - } - -#ifdef ESLOPE - // Set up texture Y offset slides for sloped walls - rw.toptextureslide = rw.midtextureslide = rw.bottomtextureslide = 0; - ceilingfrontslide = floorfrontslide = ceilingbackslide = floorbackslide = 0; - - { - angle_t lineangle = R_PointToAngle2(curline->v1->x, curline->v1->y, curline->v2->x, curline->v2->y); - - if (frontsector->f_slope) - floorfrontslide = FixedMul(frontsector->f_slope->zdelta, FINECOSINE((lineangle-frontsector->f_slope->xydirection)>>ANGLETOFINESHIFT)); - - if (frontsector->c_slope) - ceilingfrontslide = FixedMul(frontsector->c_slope->zdelta, FINECOSINE((lineangle-frontsector->c_slope->xydirection)>>ANGLETOFINESHIFT)); - - if (backsector && backsector->f_slope) - floorbackslide = FixedMul(backsector->f_slope->zdelta, FINECOSINE((lineangle-backsector->f_slope->xydirection)>>ANGLETOFINESHIFT)); - - if (backsector && backsector->c_slope) - ceilingbackslide = FixedMul(backsector->c_slope->zdelta, FINECOSINE((lineangle-backsector->c_slope->xydirection)>>ANGLETOFINESHIFT)); - } -#endif - - // Check for textures - R_StoreWallSilhouette(); - R_CheckWallTextures(); - if (backsector) - R_CheckMaskedTextures(); - -#undef SLOPEPARAMS - - // Calculate rw.offset (only needed for textured lines) - segtextured = midtexture || toptexture || bottomtexture || maskedtexture || (numthicksides > 0); - if (segtextured) - R_SegTextured(hyp, longboi); - - // if a floor / ceiling plane is on the wrong side - // of the view plane, it is definitely invisible - // and doesn't need to be marked. - if (frontsector->heightsec == -1) - { - if (frontsector->floorpic != skyflatnum - && ( -#ifdef ESLOPE - frontsector->f_slope ? P_GetZAt(frontsector->f_slope, viewx, viewy) : -#endif - frontsector->floorheight) >= viewz) - { - // above view plane - markfloor = false; - } - - if (frontsector->ceilingpic != skyflatnum - && ( -#ifdef ESLOPE - frontsector->c_slope ? P_GetZAt(frontsector->c_slope, viewx, viewy) : -#endif - frontsector->ceilingheight) <= viewz) - { - // below view plane - markceiling = false; - } - } - - // Calculate incremental stepping values for texture edges - R_WorldStep(range); - - // Create light lists - R_WorldLightLists(range); - - // Step FOFs - if (numffloors) - R_WorldFFloorStep(range); - - // Step world back - if (backsector) - R_WorldBackStep(range); - - // Mark floor and or ceiling visplanes - R_MarkPlanes(); #ifdef WALLSPLATS if (linedef->splats && cv_splats.value) @@ -2158,16 +3198,16 @@ void R_StoreWallRange(INT32 start, INT32 stop) // save sprite clipping info if (((ds_p->silhouette & SIL_TOP) || maskedtexture) && !ds_p->sprtopclip) { - M_Memcpy(lastopening, ceilingclip+start, 2*(rw.stopx - start)); + M_Memcpy(lastopening, ceilingclip+start, 2*(rw_stopx - start)); ds_p->sprtopclip = lastopening - start; - lastopening += rw.stopx - start; + lastopening += rw_stopx - start; } if (((ds_p->silhouette & SIL_BOTTOM) || maskedtexture) && !ds_p->sprbottomclip) { - M_Memcpy(lastopening, floorclip + start, 2*(rw.stopx-start)); + M_Memcpy(lastopening, floorclip + start, 2*(rw_stopx-start)); ds_p->sprbottomclip = lastopening - start; - lastopening += rw.stopx - start; + lastopening += rw_stopx - start; } if (maskedtexture && !(ds_p->silhouette & SIL_TOP)) @@ -2180,1314 +3220,5 @@ void R_StoreWallRange(INT32 start, INT32 stop) ds_p->silhouette |= SIL_BOTTOM; ds_p->bsilheight = (sidedef->midtexture > 0 && sidedef->midtexture < numtextures) ? INT32_MAX: INT32_MIN; } - ds_p++; } - -// ========================================================================== -// R_Splats Wall Splats Drawer -// ========================================================================== - -#ifdef WALLSPLATS -static INT16 last_ceilingclip[MAXVIDWIDTH]; -static INT16 last_floorclip[MAXVIDWIDTH]; - -static void R_DrawSplatColumn(column_t *column) -{ - INT32 topscreen, bottomscreen; - fixed_t basetexturemid; - INT32 topdelta, prevdelta = -1; - - basetexturemid = dc_texturemid; - - for (; column->topdelta != 0xff ;) - { - // calculate unclipped screen coordinates for post - topdelta = column->topdelta; - if (topdelta <= prevdelta) - topdelta += prevdelta; - prevdelta = topdelta; - topscreen = sprtopscreen + spryscale*topdelta; - bottomscreen = topscreen + spryscale*column->length; - - dc_yl = (topscreen+FRACUNIT-1)>>FRACBITS; - dc_yh = (bottomscreen-1)>>FRACBITS; - - if (dc_yh >= last_floorclip[dc_x]) - dc_yh = last_floorclip[dc_x] - 1; - if (dc_yl <= last_ceilingclip[dc_x]) - dc_yl = last_ceilingclip[dc_x] + 1; - if (dc_yl <= dc_yh && dl_yh < vid.height && yh > 0) - { - dc_source = (UINT8 *)column + 3; - dc_texturemid = basetexturemid - (topdelta<length + 4); - } - - dc_texturemid = basetexturemid; -} - -static void R_DrawWallSplats(void) -{ - wallsplat_t *splat; - seg_t *seg; - angle_t angle, angle1, angle2; - INT32 x1, x2; - size_t pindex; - column_t *col; - patch_t *patch; - fixed_t texturecolumn; - - splat = (wallsplat_t *)linedef->splats; - - I_Assert(splat != NULL); - - seg = ds_p->curline; - - // draw all splats from the line that touches the range of the seg - for (; splat; splat = splat->next) - { - angle1 = R_PointToAngle(splat->v1.x, splat->v1.y); - angle2 = R_PointToAngle(splat->v2.x, splat->v2.y); - angle1 = (angle1 - viewangle + ANGLE_90)>>ANGLETOFINESHIFT; - angle2 = (angle2 - viewangle + ANGLE_90)>>ANGLETOFINESHIFT; - // out of the viewangletox lut - /// \todo clip it to the screen - if (angle1 > FINEANGLES/2 || angle2 > FINEANGLES/2) - continue; - x1 = viewangletox[angle1]; - x2 = viewangletox[angle2]; - - if (x1 >= x2) - continue; // does not cross a pixel - - // splat is not in this seg range - if (x2 < ds_p->x1 || x1 > ds_p->x2) - continue; - - if (x1 < ds_p->x1) - x1 = ds_p->x1; - if (x2 > ds_p->x2) - x2 = ds_p->x2; - if (x2 <= x1) - continue; - - // calculate incremental stepping values for texture edges - rw.scalestep = ds_p->scalestep; - spryscale = ds_p->scale1 + (x1 - ds_p->x1)*rw.scalestep; - mfloorclip = floorclip; - mceilingclip = ceilingclip; - - patch = W_CachePatchNum(splat->patch, PU_PATCH); - - dc_texturemid = splat->top + (SHORT(patch->height)<<(FRACBITS-1)) - viewz; - if (splat->yoffset) - dc_texturemid += *splat->yoffset; - - sprtopscreen = centeryfrac - FixedMul(dc_texturemid, spryscale); - - // set drawing mode - switch (splat->flags & SPLATDRAWMODE_MASK) - { - case SPLATDRAWMODE_OPAQUE: - colfunc = colfuncs[BASEDRAWFUNC]; - break; - case SPLATDRAWMODE_TRANS: - if (!cv_translucency.value) - colfunc = colfuncs[BASEDRAWFUNC]; - else - { - dc_transmap = transtables + ((tr_trans50 - 1)<>LIGHTSCALESHIFT; - if (pindex >= MAXLIGHTSCALE) - pindex = MAXLIGHTSCALE - 1; - dc_colormap = walllights[pindex]; - - if (frontsector->extra_colormap) - dc_colormap = frontsector->extra_colormap->colormap + (dc_colormap - colormaps); - - sprtopscreen = centeryfrac - FixedMul(dc_texturemid, spryscale); - dc_iscale = 0xffffffffu / (unsigned)spryscale; - - // find column of patch, from perspective - angle = (rw.centerangle + xtoviewangle[dc_x])>>ANGLETOFINESHIFT; - texturecolumn = rw.offset2 - splat->offset - - FixedMul(FINETANGENT(angle), rw.distance); - - // FIXME! - texturecolumn >>= FRACBITS; - if (texturecolumn < 0 || texturecolumn >= SHORT(patch->width)) - continue; - - // draw the texture - col = (column_t *)((UINT8 *)patch + LONG(patch->columnofs[texturecolumn])); - R_DrawSplatColumn(col); - } - } // next splat - - colfunc = colfuncs[BASEDRAWFUNC]; -} - -#endif //WALLSPLATS - -// ========================================================================== -// R_RenderMaskedSegRange -// ========================================================================== - -// If we have a multi-patch texture on a 2sided wall (rare) then we draw -// it using R_DrawColumn, else we draw it using R_DrawMaskedColumn, this -// 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 void R_Render2sidedMultiPatchColumn(column_t *column) -{ - INT32 topscreen, bottomscreen; - - topscreen = sprtopscreen; // + spryscale*column->topdelta; topdelta is 0 for the wall - bottomscreen = topscreen + spryscale * rw.column2s_length; - - dc_yl = (sprtopscreen+FRACUNIT-1)>>FRACBITS; - dc_yh = (bottomscreen-1)>>FRACBITS; - - if (windowtop != INT32_MAX && windowbottom != INT32_MAX) - { - dc_yl = ((windowtop + FRACUNIT)>>FRACBITS); - dc_yh = (windowbottom - 1)>>FRACBITS; - } - - if (dc_yh >= mfloorclip[dc_x]) - dc_yh = mfloorclip[dc_x] - 1; - if (dc_yl <= mceilingclip[dc_x]) - dc_yl = mceilingclip[dc_x] + 1; - - if (dc_yl >= vid.height || dc_yh < 0) - return; - - if (dc_yl <= dc_yh && dc_yh < vid.height && dc_yh > 0) - { - dc_source = (UINT8 *)column + 3; - - if (colfunc == colfuncs[BASEDRAWFUNC]) - (colfuncs[COLDRAWFUNC_TWOSMULTIPATCH])(); - else if (colfunc == colfuncs[COLDRAWFUNC_FUZZY]) - (colfuncs[COLDRAWFUNC_TWOSMULTIPATCHTRANS])(); - else - colfunc(); - } -} - -// quick wrapper for R_DrawFlippedMaskedColumn so it can be set as a colfunc_2s value -// uses column2s_length for texture->height as above -static void R_DrawFlippedMaskedSegColumn(column_t *column) -{ - R_DrawFlippedMaskedColumn(column, rw.column2s_length); -} - -// -// R_RenderMaskedSegLoop -// Like R_RenderSegLoop, but for masked segs. -// -static void R_RenderMaskedSegLoop(drawseg_t *ds) -{ - size_t pindex; - column_t *col; - INT32 i; - fixed_t height, realbot; - r_lightlist_t *rlight; - INT64 overflow_test; - - for (dc_x = rw.x; dc_x <= rw.stopx; dc_x++) - { -#ifdef ESLOPE - dc_texturemid = ds->maskedtextureheight[dc_x]; - - if (!!(curline->linedef->flags & ML_DONTPEGBOTTOM) ^ !!(curline->linedef->flags & ML_EFFECT3)) - dc_texturemid += (textureheight[rw.texnum])*rw.maskedrepeat + textureheight[rw.texnum]; - else - dc_texturemid -= (textureheight[rw.texnum])*rw.maskedrepeat; -#endif - // calculate lighting - if (maskedtexturecol[dc_x] != INT16_MAX) - { - // Check for overflows first - overflow_test = (INT64)centeryfrac - (((INT64)dc_texturemid*spryscale)>>FRACBITS); - if (overflow_test < 0) overflow_test = -overflow_test; - if ((UINT64)overflow_test&0xFFFFFFFF80000000ULL) - { - // Eh, no, go away, don't waste our time - if (dc_numlights) - { - for (i = 0; i < dc_numlights; i++) - { - rlight = &dc_lightlist[i]; - rlight->height += rlight->heightstep; - } - } - spryscale += rw.scalestep; - continue; - } - - if (dc_numlights) - { - lighttable_t **xwalllights; - - sprbotscreen = INT32_MAX; - sprtopscreen = windowtop = (centeryfrac - FixedMul(dc_texturemid, spryscale)); - - realbot = windowbottom = FixedMul(textureheight[rw.texnum], spryscale) + sprtopscreen; - dc_iscale = 0xffffffffu / (unsigned)spryscale; - - // draw the texture - col = (column_t *)((UINT8 *)R_GetColumn(rw.texnum, maskedtexturecol[dc_x]) - 3); - - for (i = 0; i < dc_numlights; i++) - { - rlight = &dc_lightlist[i]; - - if ((rlight->flags & FF_NOSHADE)) - continue; - - if (rlight->lightnum < 0) - xwalllights = scalelight[0]; - else if (rlight->lightnum >= LIGHTLEVELS) - xwalllights = scalelight[LIGHTLEVELS-1]; - else - xwalllights = scalelight[rlight->lightnum]; - - pindex = FixedMul(spryscale, FixedDiv(640, vid.width))>>LIGHTSCALESHIFT; - - if (pindex >= MAXLIGHTSCALE) - pindex = MAXLIGHTSCALE - 1; - - if (rlight->extra_colormap) - rlight->rcolormap = rlight->extra_colormap->colormap + (xwalllights[pindex] - colormaps); - else - rlight->rcolormap = xwalllights[pindex]; - - height = rlight->height; - rlight->height += rlight->heightstep; - - if (height <= windowtop) - { - dc_colormap = rlight->rcolormap; - continue; - } - - windowbottom = height; - if (windowbottom >= realbot) - { - windowbottom = realbot; - rw.colfunc_2s(col); - for (i++; i < dc_numlights; i++) - { - rlight = &dc_lightlist[i]; - rlight->height += rlight->heightstep; - } - - continue; - } - rw.colfunc_2s(col); - windowtop = windowbottom + 1; - dc_colormap = rlight->rcolormap; - } - windowbottom = realbot; - 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 (frontsector->extra_colormap) - dc_colormap = frontsector->extra_colormap->colormap + (dc_colormap - colormaps); - - sprtopscreen = centeryfrac - FixedMul(dc_texturemid, spryscale); - dc_iscale = 0xffffffffu / (unsigned)spryscale; - - // draw the texture - col = (column_t *)((UINT8 *)R_GetColumn(rw.texnum, maskedtexturecol[dc_x]) - 3); - -//#ifdef POLYOBJECTS_PLANES -#if 0 // Disabling this allows inside edges to render below the planes, for until the clipping is fixed to work right when POs are near the camera. -Red - if (curline->dontrenderme && curline->polyseg && (curline->polyseg->flags & POF_RENDERPLANES)) - { - fixed_t my_topscreen; - fixed_t my_bottomscreen; - fixed_t my_yl, my_yh; - - my_topscreen = sprtopscreen + spryscale*col->topdelta; - my_bottomscreen = sprbotscreen == INT32_MAX ? my_topscreen + spryscale*col->length - : sprbotscreen + spryscale*col->length; - - my_yl = (my_topscreen+FRACUNIT-1)>>FRACBITS; - my_yh = (my_bottomscreen-1)>>FRACBITS; -// CONS_Debug(DBG_RENDER, "my_topscreen: %d\nmy_bottomscreen: %d\nmy_yl: %d\nmy_yh: %d\n", my_topscreen, my_bottomscreen, my_yl, my_yh); - - if (numffloors) - { - INT32 top = my_yl; - INT32 bottom = my_yh; - - for (i = 0; i < numffloors; i++) - { - if (!ffloor[i].polyobj || ffloor[i].polyobj != curline->polyseg) - continue; - - if (ffloor[i].height < viewz) - { - INT32 top_w = ffloor[i].plane->top[dc_x]; - -// CONS_Debug(DBG_RENDER, "Leveltime : %d\n", leveltime); -// CONS_Debug(DBG_RENDER, "Top is %d, top_w is %d\n", top, top_w); - if (top_w < top) - { - ffloor[i].plane->top[dc_x] = (INT16)top; - ffloor[i].plane->picnum = 0; - } -// CONS_Debug(DBG_RENDER, "top_w is now %d\n", ffloor[i].plane->top[dc_x]); - } - else if (ffloor[i].height > viewz) - { - INT32 bottom_w = ffloor[i].plane->bottom[dc_x]; - - if (bottom_w > bottom) - { - ffloor[i].plane->bottom[dc_x] = (INT16)bottom; - ffloor[i].plane->picnum = 0; - } - } - } - } - } - else -#endif - rw.colfunc_2s(col); - } - spryscale += rw.scalestep; - } -} - -// -// R_MaskedLightLists -// Creates light lists, but for masked segs. -// -static void R_MaskedLightLists(drawseg_t *ds, INT32 range) -{ - lightlist_t *light; - r_lightlist_t *rlight; - INT32 lightnum, i; - - dc_numlights = 0; - - if (frontsector->numlights) - { - dc_numlights = frontsector->numlights; - if (dc_numlights >= dc_maxlights) - { - dc_maxlights = dc_numlights; - dc_lightlist = Z_Realloc(dc_lightlist, sizeof (*dc_lightlist) * dc_maxlights, PU_STATIC, NULL); - } - - for (i = 0; i < dc_numlights; i++) - { -#ifdef ESLOPE - fixed_t leftheight, rightheight; -#else - (void)range; -#endif - light = &frontsector->lightlist[i]; - rlight = &dc_lightlist[i]; -#ifdef ESLOPE - if (light->slope) { - leftheight = P_GetZAt(light->slope, ds->leftpos.x, ds->leftpos.y); - rightheight = P_GetZAt(light->slope, ds->rightpos.x, ds->rightpos.y); - } else - leftheight = rightheight = light->height; - - leftheight -= viewz; - rightheight -= viewz; - - rlight->height = (centeryfrac) - FixedMul(leftheight, ds->scale1); - rlight->heightstep = (centeryfrac) - FixedMul(rightheight, ds->scale2); - rlight->heightstep = (rlight->heightstep-rlight->height)/(range); - //if (x1 > ds->x1) - //rlight->height -= (x1 - ds->x1)*rlight->heightstep; -#else - rlight->height = (centeryfrac) - FixedMul((light->height - viewz), spryscale); - rlight->heightstep = -FixedMul(rw.scalestep, (light->height - viewz)); -#endif - rlight->startheight = rlight->height; // keep starting value here to reset for each repeat - rlight->lightlevel = *light->lightlevel; - rlight->extra_colormap = *light->extra_colormap; - rlight->flags = light->flags; - - if (rlight->flags & FF_FOG || (rlight->extra_colormap && rlight->extra_colormap->fog)) - lightnum = (rlight->lightlevel >> LIGHTSEGSHIFT); - else if (colfunc == colfuncs[COLDRAWFUNC_FUZZY]) - lightnum = LIGHTLEVELS - 1; - else - lightnum = (rlight->lightlevel >> LIGHTSEGSHIFT); - - if (rlight->extra_colormap && rlight->extra_colormap->fog) - ; - else if (curline->v1->y == curline->v2->y) - lightnum--; - else if (curline->v1->x == curline->v2->x) - lightnum++; - - rlight->lightnum = lightnum; - } - } - else - { - if (colfunc == colfuncs[COLDRAWFUNC_FUZZY]) - { - if (frontsector->extra_colormap && frontsector->extra_colormap->fog) - lightnum = (frontsector->lightlevel >> LIGHTSEGSHIFT); - else - lightnum = LIGHTLEVELS - 1; - } - else - lightnum = (frontsector->lightlevel >> LIGHTSEGSHIFT); - - if (colfunc == colfuncs[COLDRAWFUNC_FOG] - || (frontsector->extra_colormap && frontsector->extra_colormap->fog)) - ; - else if (curline->v1->y == curline->v2->y) - lightnum--; - else if (curline->v1->x == curline->v2->x) - lightnum++; - - if (lightnum < 0) - walllights = scalelight[0]; - else if (lightnum >= LIGHTLEVELS) - walllights = scalelight[LIGHTLEVELS - 1]; - else - walllights = scalelight[lightnum]; - } -} - -// -// R_RenderMaskedSegRange -// Renders all the masked segs in the given range. -// -void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2) -{ - INT32 texnum, i; - r_lightlist_t *rlight; - line_t *ldef; - sector_t *front, *back; - INT32 times, repeats; - INT32 range; - - // Calculate light table. - // Use different light tables - // for horizontal / vertical / diagonal. Diagonal? - // OPTIMIZE: get rid of LIGHTSEGSHIFT globally - curline = ds->curline; - frontsector = curline->frontsector; - backsector = curline->backsector; - texnum = R_GetTextureNum(curline->sidedef->midtexture); - windowbottom = windowtop = sprbotscreen = INT32_MAX; - - rw.x = x1; - rw.stopx = x2; - rw.texnum = texnum; - - // hack translucent linedef types (900-909 for transtables 1-9) - ldef = curline->linedef; - switch (ldef->special) - { - case 900: - case 901: - case 902: - case 903: - case 904: - case 905: - case 906: - case 907: - case 908: - dc_transmap = transtables + ((ldef->special-900)<ceilingheight; - windowbottom = frontsector->floorheight; - break; - default: - colfunc = colfuncs[BASEDRAWFUNC]; - break; - } - - if (curline->polyseg && curline->polyseg->translucency > 0) - { - if (curline->polyseg->translucency >= NUMTRANSMAPS) - return; - - dc_transmap = transtables + ((curline->polyseg->translucency-1)<x2-ds->x1, 1); -#endif - rw.scalestep = ds->scalestep; - spryscale = ds->scale1 + (x1 - ds->x1)*rw.scalestep; - - // Texture must be cached before setting colfunc_2s, - // otherwise texture[texnum]->holes may be false when it shouldn't be - R_CheckTextureCache(texnum); - // handle case where multipatch texture is drawn on a 2sided wall, multi-patch textures - // are not stored per-column with post info in SRB2 - if (textures[texnum]->holes) - { - if (textures[texnum]->flip & 2) // vertically flipped? - { - rw.colfunc_2s = R_DrawFlippedMaskedSegColumn; - rw.column2s_length = textures[texnum]->height; - } - else - rw.colfunc_2s = R_DrawMaskedColumn; // render the usual 2sided single-patch packed texture - } - else - { - 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. - R_MaskedLightLists(ds, range); - - maskedtexturecol = ds->maskedtexturecol; - - mfloorclip = ds->sprbottomclip; - mceilingclip = ds->sprtopclip; - - if (frontsector->heightsec != -1) - front = §ors[frontsector->heightsec]; - else - front = frontsector; - - if (backsector->heightsec != -1) - back = §ors[backsector->heightsec]; - else - back = backsector; - - if (ds->curline->sidedef->repeatcnt) - repeats = 1 + ds->curline->sidedef->repeatcnt; - else if (ldef->flags & ML_EFFECT5) - { - fixed_t high, low; - - if (front->ceilingheight > back->ceilingheight) - high = back->ceilingheight; - else - high = front->ceilingheight; - - if (front->floorheight > back->floorheight) - low = front->floorheight; - else - low = back->floorheight; - - repeats = (high - low)/textureheight[texnum]; - if ((high-low)%textureheight[texnum]) - repeats++; // tile an extra time to fill the gap -- Monster Iestyn - } - else - repeats = 1; - - for (times = 0; times < repeats; times++) - { - if (times > 0) - { - rw.scalestep = ds->scalestep; - spryscale = ds->scale1 + (x1 - ds->x1)*rw.scalestep; - if (dc_numlights) - { // reset all lights to their starting heights - for (i = 0; i < dc_numlights; i++) - { - rlight = &dc_lightlist[i]; - rlight->height = rlight->startheight; - } - } - } - -#ifndef ESLOPE - if (curline->linedef->flags & ML_DONTPEGBOTTOM) - { - dc_texturemid = front->floorheight > back->floorheight - ? front->floorheight : back->floorheight; - dc_texturemid = dc_texturemid + textureheight[texnum] - viewz; - } - else - { - dc_texturemid = front->ceilingheight < back->ceilingheight - ? front->ceilingheight : back->ceilingheight; - dc_texturemid = dc_texturemid - viewz; - } - dc_texturemid += curline->sidedef->rowoffset; - - if (curline->linedef->flags & ML_DONTPEGBOTTOM) - dc_texturemid += (textureheight[texnum])*times; - else - dc_texturemid -= (textureheight[texnum])*times; -#endif - - dc_texheight = textureheight[texnum]>>FRACBITS; - - // draw the columns - rw.maskedrepeat = times; - R_RenderMaskedSegLoop(ds); - } - colfunc = colfuncs[BASEDRAWFUNC]; -} - -// Loop through R_DrawMaskedColumn calls -static void R_DrawRepeatMaskedColumn(column_t *col) -{ - while (sprtopscreen < sprbotscreen) { - R_DrawMaskedColumn(col); - if ((INT64)sprtopscreen + dc_texheight*spryscale > (INT64)INT32_MAX) // prevent overflow - sprtopscreen = INT32_MAX; - else - sprtopscreen += dc_texheight*spryscale; - } -} - -static void R_DrawRepeatFlippedMaskedColumn(column_t *col) -{ - do { - R_DrawFlippedMaskedColumn(col, rw.column2s_length); - sprtopscreen += dc_texheight*spryscale; - } while (sprtopscreen < sprbotscreen); -} - -// -// R_RenderThickSegLoop -// Like R_RenderSegLoop, but for thick sides. -// -static void R_RenderThickSegLoop(void) -{ - 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 oldx = -1; -#endif - - for (dc_x = rw.x; dc_x <= rw.stopx; dc_x++) - { - if (maskedtexturecol[dc_x] != INT16_MAX) - { -#ifdef ESLOPE - if (rw.ffloortextureslide) { // skew FOF walls - if (oldx != -1) - dc_texturemid += FixedMul(rw.ffloortextureslide, (maskedtexturecol[oldx]-maskedtexturecol[dc_x])< (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; - if (dc_numlights > dc_maxlights) - { - dc_maxlights = dc_numlights; - dc_lightlist = Z_Realloc(dc_lightlist, sizeof (*dc_lightlist) * dc_maxlights, PU_STATIC, NULL); - } - - for (i = p = 0; i < dc_numlights; i++) - { -#ifdef ESLOPE - fixed_t leftheight, rightheight; - fixed_t pfloorleft, pfloorright; - INT64 overflow_test; -#else - (void)range; -#endif - light = &frontsector->lightlist[i]; - rlight = &dc_lightlist[p]; -#ifdef ESLOPE - -#define SLOPEPARAMS(slope, end1, end2, normalheight) \ - if (slope) { \ - end1 = P_GetZAt(slope, ds->leftpos.x, ds->leftpos.y); \ - end2 = P_GetZAt(slope, ds->rightpos.x, ds->rightpos.y); \ - } else \ - end1 = end2 = normalheight; - - SLOPEPARAMS(light->slope, leftheight, rightheight, light->height) - SLOPEPARAMS(*pfloor->b_slope, pfloorleft, pfloorright, *pfloor->bottomheight) - - if (leftheight < pfloorleft && rightheight < pfloorright) - continue; - - SLOPEPARAMS(*pfloor->t_slope, pfloorleft, pfloorright, *pfloor->topheight) - - if (leftheight > pfloorleft && rightheight > pfloorright && i+1 < dc_numlights) - { - lightlist_t *nextlight = &frontsector->lightlist[i+1]; - if ((nextlight->slope ? P_GetZAt(nextlight->slope, ds->leftpos.x, ds->leftpos.y) : nextlight->height) > pfloorleft - && (nextlight->slope ? P_GetZAt(nextlight->slope, ds->rightpos.x, ds->rightpos.y) : nextlight->height) > pfloorright) - continue; - } - - leftheight -= viewz; - rightheight -= viewz; - - // 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; - else if (overflow_test > (INT64)CLAMPMIN) rlight->height = (fixed_t)overflow_test; - else rlight->height = CLAMPMIN; - - overflow_test = (INT64)centeryfrac - (((INT64)rightheight*ds->scale2)>>FRACBITS); - if (overflow_test > (INT64)CLAMPMAX) rlight->heightstep = CLAMPMAX; - else if (overflow_test > (INT64)CLAMPMIN) rlight->heightstep = (fixed_t)overflow_test; - else rlight->heightstep = CLAMPMIN; - rlight->heightstep = (rlight->heightstep-rlight->height)/(range); -#else - if (light->height < *pfloor->bottomheight) - continue; - - if (light->height > *pfloor->topheight && i+1 < dc_numlights && frontsector->lightlist[i+1].height > *pfloor->topheight) - continue; - - lheight = light->height;// > *pfloor->topheight ? *pfloor->topheight + FRACUNIT : light->height; - rlight->heightstep = -FixedMul (rw.scalestep, (lheight - viewz)); - rlight->height = (centeryfrac) - FixedMul((lheight - viewz), spryscale); -#endif - rlight->flags = light->flags; - if (light->flags & FF_CUTLEVEL) - { -#ifdef ESLOPE - SLOPEPARAMS(*light->caster->b_slope, leftheight, rightheight, *light->caster->bottomheight) -#undef SLOPEPARAMS - leftheight -= viewz; - rightheight -= viewz; - - // 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->botheight = CLAMPMAX; - else if (overflow_test > (INT64)CLAMPMIN) rlight->botheight = (fixed_t)overflow_test; - else rlight->botheight = CLAMPMIN; - - overflow_test = (INT64)centeryfrac - (((INT64)rightheight*ds->scale2)>>FRACBITS); - if (overflow_test > (INT64)CLAMPMAX) rlight->botheightstep = CLAMPMAX; - else if (overflow_test > (INT64)CLAMPMIN) rlight->botheightstep = (fixed_t)overflow_test; - else rlight->botheightstep = CLAMPMIN; - rlight->botheightstep = (rlight->botheightstep-rlight->botheight)/(range); -#else - lheight = *light->caster->bottomheight;// > *pfloor->topheight ? *pfloor->topheight + FRACUNIT : *light->caster->bottomheight; - rlight->botheightstep = -FixedMul (rw.scalestep, (lheight - viewz)); - rlight->botheight = (centeryfrac) - FixedMul((lheight - viewz), spryscale); -#endif - } - - rlight->lightlevel = *light->lightlevel; - rlight->extra_colormap = *light->extra_colormap; - - // Check if the current light effects the colormap/lightlevel - if (pfloor->flags & FF_FOG) - rlight->lightnum = (pfloor->master->frontsector->lightlevel >> LIGHTSEGSHIFT); - else - rlight->lightnum = (rlight->lightlevel >> LIGHTSEGSHIFT); - - if (pfloor->flags & FF_FOG || rlight->flags & FF_FOG || (rlight->extra_colormap && rlight->extra_colormap->fog)) - ; - else if (curline->v1->y == curline->v2->y) - rlight->lightnum--; - else if (curline->v1->x == curline->v2->x) - rlight->lightnum++; - - p++; - } - - dc_numlights = p; - } - else - { - // Get correct light level! - if ((frontsector->extra_colormap && frontsector->extra_colormap->fog)) - lightnum = (frontsector->lightlevel >> LIGHTSEGSHIFT); - else if (pfloor->flags & FF_FOG) - lightnum = (pfloor->master->frontsector->lightlevel >> LIGHTSEGSHIFT); - else if (colfunc == colfuncs[COLDRAWFUNC_FUZZY]) - lightnum = LIGHTLEVELS-1; - else - lightnum = R_FakeFlat(frontsector, &tempsec, &templight, &templight, false) - ->lightlevel >> LIGHTSEGSHIFT; - - if (pfloor->flags & FF_FOG || (frontsector->extra_colormap && frontsector->extra_colormap->fog)); - else if (curline->v1->y == curline->v2->y) - lightnum--; - else if (curline->v1->x == curline->v2->x) - lightnum++; - - if (lightnum < 0) - walllights = scalelight[0]; - else if (lightnum >= LIGHTLEVELS) - walllights = scalelight[LIGHTLEVELS-1]; - 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; - INT32 range; -#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; - - mfloorclip = ds->sprbottomclip; - mceilingclip = ds->sprtopclip; - dc_texheight = textureheight[texnum]>>FRACBITS; - -#ifdef ESLOPE - // calculate both left ends - if (*pfloor->t_slope) - rw.left_top = P_GetZAt(*pfloor->t_slope, ds->leftpos.x, ds->leftpos.y) - viewz; - else - rw.left_top = *pfloor->topheight - viewz; - - if (*pfloor->b_slope) - rw.left_bottom = P_GetZAt(*pfloor->b_slope, ds->leftpos.x, ds->leftpos.y) - viewz; - else - rw.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 = rw.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 = rw.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 = rw.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) - rw.ffloortextureslide = FixedMul(skewslope->zdelta, FINECOSINE((lineangle-skewslope->xydirection)>>ANGLETOFINESHIFT)); - } -#endif - - dc_texturemid += offsetvalue; - - // Texture must be cached before setting colfunc_2s, - // otherwise texture[texnum]->holes may be false when it shouldn't be - R_CheckTextureCache(texnum); - //faB: handle case where multipatch texture is drawn on a 2sided wall, multi-patch textures - // are not stored per-column with post info anymore in Doom Legacy - if (textures[texnum]->holes) - { - if (textures[texnum]->flip & 2) // vertically flipped? - { - rw.colfunc_2s = R_DrawRepeatFlippedMaskedColumn; - rw.column2s_length = textures[texnum]->height; - } - else - rw.colfunc_2s = R_DrawRepeatMaskedColumn; // render the usual 2sided single-patch packed texture - } - else - { - 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 - R_ThickStepping(ds, range); -#endif - - // draw the columns - rw.texnum = texnum; - R_RenderThickSegLoop(); - colfunc = colfuncs[BASEDRAWFUNC]; - -#undef CLAMPMAX -#undef CLAMPMIN -} diff --git a/src/r_state.h b/src/r_state.h index 2c5e5fcf7..75566923b 100644 --- a/src/r_state.h +++ b/src/r_state.h @@ -93,41 +93,10 @@ extern angle_t doubleclipangle; extern INT32 viewangletox[FINEANGLES/2]; extern angle_t xtoviewangle[MAXVIDWIDTH+1]; -// Wall rendering -typedef struct -{ - INT32 x, stopx; - angle_t centerangle; - fixed_t offset; - fixed_t offset2; // for splats - fixed_t scale, scalestep; - fixed_t midtexturemid, toptexturemid, bottomtexturemid; -#ifdef ESLOPE - fixed_t toptextureslide, midtextureslide, bottomtextureslide; // Defines how to adjust Y offsets along the wall for slopes - fixed_t midtextureback, midtexturebackslide; // Values for masked midtexture height calculation -#endif - fixed_t distance; - angle_t normalangle; - angle_t angle1; // angle to line origin +extern fixed_t rw_distance; +extern angle_t rw_normalangle; - // 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 - - // masked segs - INT32 maskedrepeat; - - // 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; +// angle to line origin +extern angle_t rw_angle1; #endif