diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c index c10f4bf1..c148e7c4 100644 --- a/src/hardware/hw_main.c +++ b/src/hardware/hw_main.c @@ -2347,6 +2347,7 @@ static void HWR_StoreWallRange(double startfrac, double endfrac) // e6y: Check whether the player can look beyond this line // #ifdef NEWCLIP +boolean checkforemptylines = true; // Don't modify anything here, just check // Kalaron: Modified for sloped linedefs static boolean CheckClip(seg_t * seg, sector_t * afrontsector, sector_t * abacksector) @@ -2389,6 +2390,7 @@ static boolean CheckClip(seg_t * seg, sector_t * afrontsector, sector_t * abacks // now check for closed sectors! if (backc1 <= frontf1 && backc2 <= frontf2) { + checkforemptylines = false; if (!seg->sidedef->toptexture) return false; @@ -2400,6 +2402,7 @@ static boolean CheckClip(seg_t * seg, sector_t * afrontsector, sector_t * abacks if (backf1 >= frontc1 && backf2 >= frontc2) { + checkforemptylines = false; if (!seg->sidedef->bottomtexture) return false; @@ -2412,6 +2415,7 @@ static boolean CheckClip(seg_t * seg, sector_t * afrontsector, sector_t * abacks if (backc1 <= backf1 && backc2 <= backf2) { + checkforemptylines = false; // preserve a kind of transparent door/lift special effect: if (backc1 < frontc1 || backc2 < frontc2) { @@ -2432,41 +2436,12 @@ static boolean CheckClip(seg_t * seg, sector_t * afrontsector, sector_t * abacks return true; } - - // Reject empty lines used for triggers and special events. - // Identical floor and ceiling on both sides, - // identical light levels on both sides, - // and no middle texture. - if ( -#ifdef POLYOBJECTS - !seg->polyseg && -#endif - gr_backsector->ceilingpic == gr_frontsector->ceilingpic - && gr_backsector->floorpic == gr_frontsector->floorpic -#ifdef ESLOPE - && gr_backsector->f_slope == gr_frontsector->f_slope - && gr_backsector->c_slope == gr_frontsector->c_slope -#endif - && gr_backsector->lightlevel == gr_frontsector->lightlevel - && !gr_curline->sidedef->midtexture - // Check offsets too! - && gr_backsector->floor_xoffs == gr_frontsector->floor_xoffs - && gr_backsector->floor_yoffs == gr_frontsector->floor_yoffs - && gr_backsector->floorpic_angle == gr_frontsector->floorpic_angle - && gr_backsector->ceiling_xoffs == gr_frontsector->ceiling_xoffs - && gr_backsector->ceiling_yoffs == gr_frontsector->ceiling_yoffs - && gr_backsector->ceilingpic_angle == gr_frontsector->ceilingpic_angle - // Consider altered lighting. - && gr_backsector->floorlightsec == gr_frontsector->floorlightsec - && gr_backsector->ceilinglightsec == gr_frontsector->ceilinglightsec - // Consider colormaps - && gr_backsector->extra_colormap == gr_frontsector->extra_colormap - && ((!gr_frontsector->ffloors && !gr_backsector->ffloors) - || gr_frontsector->tag == gr_backsector->tag)) - { - return false; - } - + if (backc1 != frontc1 || backc2 != frontc2 + || backf1 != frontf1 || backf2 != frontf2) + { + checkforemptylines = false; + return false; + } return false; } @@ -2802,6 +2777,8 @@ static void HWR_AddLine(seg_t * line) { return; } + + checkforemptylines = true; #else // Clip to view edges. span = angle1 - angle2; @@ -2893,18 +2870,17 @@ static void HWR_AddLine(seg_t * line) else { gr_backsector = R_FakeFlat(gr_backsector, &tempsec, NULL, NULL, true); - if (line->frontsector == line->backsector) - { - if (!line->sidedef->midtexture) - { - //e6y: nothing to do here! - //return; - } - } if (CheckClip(line, gr_frontsector, gr_backsector)) { gld_clipper_SafeAddClipRange(angle2, angle1); + checkforemptylines = false; } + // Reject empty lines used for triggers and special events. + // Identical floor and ceiling on both sides, + // identical light levels on both sides, + // and no middle texture. + if (checkforemptylines && R_IsEmptyLine(line, gr_frontsector, gr_backsector)) + return; } HWR_ProcessSeg(); // Doesn't need arguments because they're defined globally :D @@ -2981,38 +2957,8 @@ static void HWR_AddLine(seg_t * line) // Identical floor and ceiling on both sides, // identical light levels on both sides, // and no middle texture. - if ( -#ifdef POLYOBJECTS - !line->polyseg && -#endif - gr_backsector->ceilingpic == gr_frontsector->ceilingpic - && gr_backsector->floorpic == gr_frontsector->floorpic -#ifdef ESLOPE - && gr_backsector->f_slope == gr_frontsector->f_slope - && gr_backsector->c_slope == gr_frontsector->c_slope -#endif - && gr_backsector->lightlevel == gr_frontsector->lightlevel - && !gr_curline->sidedef->midtexture - // Check offsets too! - && gr_backsector->floor_xoffs == gr_frontsector->floor_xoffs - && gr_backsector->floor_yoffs == gr_frontsector->floor_yoffs - && gr_backsector->floorpic_angle == gr_frontsector->floorpic_angle - && gr_backsector->ceiling_xoffs == gr_frontsector->ceiling_xoffs - && gr_backsector->ceiling_yoffs == gr_frontsector->ceiling_yoffs - && gr_backsector->ceilingpic_angle == gr_frontsector->ceilingpic_angle - // Consider altered lighting. - && gr_backsector->floorlightsec == gr_frontsector->floorlightsec - && gr_backsector->ceilinglightsec == gr_frontsector->ceilinglightsec - // Consider colormaps - && gr_backsector->extra_colormap == gr_frontsector->extra_colormap - && ((!gr_frontsector->ffloors && !gr_backsector->ffloors) - || gr_frontsector->tag == gr_backsector->tag)) - // SoM: For 3D sides... Boris, would you like to take a - // crack at rendering 3D sides? You would need to add the - // above check and add code to HWR_StoreWallRange... - { + if (R_IsEmptyLine(curline, frontsector, backsector)) return; - } clippass: if (x1 == x2) diff --git a/src/r_bsp.c b/src/r_bsp.c index abb11204..4ce89f00 100644 --- a/src/r_bsp.c +++ b/src/r_bsp.c @@ -365,6 +365,36 @@ sector_t *R_FakeFlat(sector_t *sec, sector_t *tempsec, INT32 *floorlightlevel, return sec; } +boolean R_IsEmptyLine(seg_t *line, sector_t *front, sector_t *back) +{ + return ( +#ifdef POLYOBJECTS + !line->polyseg && +#endif + back->ceilingpic == front->ceilingpic + && back->floorpic == front->floorpic +#ifdef ESLOPE + && back->f_slope == front->f_slope + && back->c_slope == front->c_slope +#endif + && back->lightlevel == front->lightlevel + && !line->sidedef->midtexture + // Check offsets too! + && back->floor_xoffs == front->floor_xoffs + && back->floor_yoffs == front->floor_yoffs + && back->floorpic_angle == front->floorpic_angle + && back->ceiling_xoffs == front->ceiling_xoffs + && back->ceiling_yoffs == front->ceiling_yoffs + && back->ceilingpic_angle == front->ceilingpic_angle + // Consider altered lighting. + && back->floorlightsec == front->floorlightsec + && back->ceilinglightsec == front->ceilinglightsec + // Consider colormaps + && back->extra_colormap == front->extra_colormap + && ((!front->ffloors && !back->ffloors) + || front->tag == back->tag)); +} + // // R_AddLine // Clips the given segment and adds any visible pieces to the line list. @@ -526,36 +556,8 @@ static void R_AddLine(seg_t *line) // Identical floor and ceiling on both sides, identical light levels on both sides, // and no middle texture. - if ( -#ifdef POLYOBJECTS - !line->polyseg && -#endif - backsector->ceilingpic == frontsector->ceilingpic - && backsector->floorpic == frontsector->floorpic -#ifdef ESLOPE - && backsector->f_slope == frontsector->f_slope - && backsector->c_slope == frontsector->c_slope -#endif - && backsector->lightlevel == frontsector->lightlevel - && !curline->sidedef->midtexture - // Check offsets too! - && backsector->floor_xoffs == frontsector->floor_xoffs - && backsector->floor_yoffs == frontsector->floor_yoffs - && backsector->floorpic_angle == frontsector->floorpic_angle - && backsector->ceiling_xoffs == frontsector->ceiling_xoffs - && backsector->ceiling_yoffs == frontsector->ceiling_yoffs - && backsector->ceilingpic_angle == frontsector->ceilingpic_angle - // Consider altered lighting. - && backsector->floorlightsec == frontsector->floorlightsec - && backsector->ceilinglightsec == frontsector->ceilinglightsec - // Consider colormaps - && backsector->extra_colormap == frontsector->extra_colormap - && ((!frontsector->ffloors && !backsector->ffloors) - || frontsector->tag == backsector->tag)) - { + if (R_IsEmptyLine(line, frontsector, backsector)) return; - } - clippass: R_ClipPassWallSegment(x1, x2 - 1); diff --git a/src/r_bsp.h b/src/r_bsp.h index e871b5dd..80824831 100644 --- a/src/r_bsp.h +++ b/src/r_bsp.h @@ -50,6 +50,7 @@ extern polyobj_t **po_ptrs; // temp ptr array to sort polyobject pointers sector_t *R_FakeFlat(sector_t *sec, sector_t *tempsec, INT32 *floorlightlevel, INT32 *ceilinglightlevel, boolean back); +boolean R_IsEmptyLine(seg_t *line, sector_t *front, sector_t *back); INT32 R_GetPlaneLight(sector_t *sector, fixed_t planeheight, boolean underside); void R_Prep3DFloors(sector_t *sector);