Unless I'm mistaken, scalesteps/heightsteps should be divided by stop-start, not stop-start+1. Revert this commit if that was intentional.
This commit is contained in:
Monster Iestyn
parent
28631c30b7
commit
ec5b272fa6
42
src/r_segs.c
42
src/r_segs.c
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@ -288,6 +288,7 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
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line_t *ldef;
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sector_t *front, *back;
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INT32 times, repeats;
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INT32 range;
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// Calculate light table.
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// Use different light tables
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@ -334,6 +335,7 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
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colfunc = fuzzcolfunc;
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}
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range = max(ds->x2-ds->x1, 1);
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rw_scalestep = ds->scalestep;
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spryscale = ds->scale1 + (x1 - ds->x1)*rw_scalestep;
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@ -377,7 +379,7 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
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rlight->height = (centeryfrac) - FixedMul(leftheight, ds->scale1);
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rlight->heightstep = (centeryfrac) - FixedMul(rightheight, ds->scale2);
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rlight->heightstep = (rlight->heightstep-rlight->height)/(ds->x2-ds->x1+1);
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rlight->heightstep = (rlight->heightstep-rlight->height)/(range);
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//if (x1 > ds->x1)
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//rlight->height -= (x1 - ds->x1)*rlight->heightstep;
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#else
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@ -693,6 +695,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
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fixed_t offsetvalue = 0;
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lightlist_t *light;
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r_lightlist_t *rlight;
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INT32 range;
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#ifndef ESLOPE
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fixed_t lheight;
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#endif
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@ -757,6 +760,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
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else if (pfloor->flags & FF_FOG)
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colfunc = R_DrawFogColumn_8;
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range = max(ds->x2-ds->x1, 1);
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//SoM: Moved these up here so they are available for my lightlist calculations
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rw_scalestep = ds->scalestep;
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spryscale = ds->scale1 + (x1 - ds->x1)*rw_scalestep;
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@ -813,7 +817,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
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rightheight -= viewz;
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rlight->height = (centeryfrac) - FixedMul(leftheight, ds->scale1);
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rlight->heightstep = (centeryfrac) - FixedMul(rightheight, ds->scale2);
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rlight->heightstep = (rlight->heightstep-rlight->height)/(ds->x2-ds->x1+1);
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rlight->heightstep = (rlight->heightstep-rlight->height)/(range);
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rlight->height -= rlight->heightstep;
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#else
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if (light->height < *pfloor->bottomheight)
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@ -841,7 +845,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
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rlight->botheight = (centeryfrac) - FixedMul(leftheight, ds->scale1);
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rlight->botheightstep = (centeryfrac) - FixedMul(rightheight, ds->scale2);
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rlight->botheightstep = (rlight->botheightstep-rlight->botheight)/(ds->x2-ds->x1+1);
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rlight->botheightstep = (rlight->botheightstep-rlight->botheight)/(range);
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rlight->botheight -= rlight->botheightstep;
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#else
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lheight = *light->caster->bottomheight;// > *pfloor->topheight ? *pfloor->topheight + FRACUNIT : *light->caster->bottomheight;
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@ -951,8 +955,8 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
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top_step = centeryfrac - FixedMul(right_top, ds->scale2);
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bottom_step = centeryfrac - FixedMul(right_bottom, ds->scale2);
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top_step = (top_step-top_frac)/(ds->x2-ds->x1+1);
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bottom_step = (bottom_step-bottom_frac)/(ds->x2-ds->x1+1);
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top_step = (top_step-top_frac)/(range);
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bottom_step = (bottom_step-bottom_frac)/(range);
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top_frac += top_step * (x1 - ds->x1);
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bottom_frac += bottom_step * (x1 - ds->x1);
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@ -1549,6 +1553,7 @@ void R_StoreWallRange(INT32 start, INT32 stop)
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INT32 i, p;
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lightlist_t *light;
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r_lightlist_t *rlight;
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INT32 range;
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#ifdef ESLOPE
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vertex_t segleft, segright;
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fixed_t ceilingfrontslide, floorfrontslide, ceilingbackslide, floorbackslide;
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@ -1633,7 +1638,7 @@ void R_StoreWallRange(INT32 start, INT32 stop)
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if (stop > start)
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{
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ds_p->scale2 = R_ScaleFromGlobalAngle(viewangle + xtoviewangle[stop]);
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ds_p->scalestep = rw_scalestep = (ds_p->scale2 - rw_scale) / (stop-start);
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range = stop-start;
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}
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else
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{
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@ -1654,8 +1659,11 @@ void R_StoreWallRange(INT32 start, INT32 stop)
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}
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#endif
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ds_p->scale2 = ds_p->scale1;
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range = 1;
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}
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ds_p->scalestep = rw_scalestep = (ds_p->scale2 - rw_scale) / (range);
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// calculate texture boundaries
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// and decide if floor / ceiling marks are needed
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#ifdef ESLOPE
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@ -2531,11 +2539,11 @@ void R_StoreWallRange(INT32 start, INT32 stop)
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#ifdef ESLOPE
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if (frontsector->c_slope) {
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fixed_t topfracend = (centeryfrac>>4) - FixedMul (worldtopslope, ds_p->scale2);
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topstep = (topfracend-topfrac)/(stop-start+1);
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topstep = (topfracend-topfrac)/(range);
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}
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if (frontsector->f_slope) {
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fixed_t bottomfracend = (centeryfrac>>4) - FixedMul (worldbottomslope, ds_p->scale2);
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bottomstep = (bottomfracend-bottomfrac)/(stop-start+1);
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bottomstep = (bottomfracend-bottomfrac)/(range);
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}
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#endif
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@ -2596,7 +2604,7 @@ void R_StoreWallRange(INT32 start, INT32 stop)
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#ifdef ESLOPE
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rlight->height = (centeryfrac>>4) - FixedMul(leftheight, rw_scale);
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rlight->heightstep = (centeryfrac>>4) - FixedMul(rightheight, ds_p->scale2);
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rlight->heightstep = (rlight->heightstep-rlight->height)/(stop-start+1);
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rlight->heightstep = (rlight->heightstep-rlight->height)/(range);
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#else
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rlight->height = (centeryfrac>>4) - FixedMul((light->height - viewz) >> 4, rw_scale);
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rlight->heightstep = -FixedMul (rw_scalestep, (light->height - viewz) >> 4);
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@ -2623,7 +2631,7 @@ void R_StoreWallRange(INT32 start, INT32 stop)
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rlight->botheight = (centeryfrac>>4) - FixedMul(leftheight, rw_scale);
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rlight->botheightstep = (centeryfrac>>4) - FixedMul(rightheight, ds_p->scale2);
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rlight->botheightstep = (rlight->botheightstep-rlight->botheight)/(stop-start+1);
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rlight->botheightstep = (rlight->botheightstep-rlight->botheight)/(range);
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#else
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rlight->botheight = (centeryfrac >> 4) - FixedMul((*light->caster->bottomheight - viewz) >> 4, rw_scale);
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@ -2652,7 +2660,7 @@ void R_StoreWallRange(INT32 start, INT32 stop)
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#ifdef ESLOPE
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ffloor[i].f_pos_slope >>= 4;
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ffloor[i].f_frac = (centeryfrac>>4) - FixedMul(ffloor[i].f_pos, rw_scale);
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ffloor[i].f_step = ((centeryfrac>>4) - FixedMul(ffloor[i].f_pos_slope, ds_p->scale2) - ffloor[i].f_frac)/(stop-start+1);
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ffloor[i].f_step = ((centeryfrac>>4) - FixedMul(ffloor[i].f_pos_slope, ds_p->scale2) - ffloor[i].f_frac)/(range);
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#else
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ffloor[i].f_step = FixedMul(-rw_scalestep, ffloor[i].f_pos);
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ffloor[i].f_frac = (centeryfrac>>4) - FixedMul(ffloor[i].f_pos, rw_scale);
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@ -2681,7 +2689,7 @@ void R_StoreWallRange(INT32 start, INT32 stop)
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#ifdef ESLOPE
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if (backsector->c_slope) {
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fixed_t topfracend = (centeryfrac>>4) - FixedMul (worldhighslope, ds_p->scale2);
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pixhighstep = (topfracend-pixhigh)/(stop-start+1);
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pixhighstep = (topfracend-pixhigh)/(range);
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}
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#endif
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}
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@ -2697,7 +2705,7 @@ void R_StoreWallRange(INT32 start, INT32 stop)
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#ifdef ESLOPE
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if (backsector->f_slope) {
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fixed_t bottomfracend = (centeryfrac>>4) - FixedMul (worldlowslope, ds_p->scale2);
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pixlowstep = (bottomfracend-pixlow)/(stop-start+1);
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pixlowstep = (bottomfracend-pixlow)/(range);
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}
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#endif
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}
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@ -2739,7 +2747,7 @@ void R_StoreWallRange(INT32 start, INT32 stop)
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ffloor[i].b_pos_slope >>= 4;
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ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw_scale);
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ffloor[i].b_step = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos_slope, ds_p->scale2);
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ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(stop-start+1);
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ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(range);
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i++;
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}
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@ -2761,7 +2769,7 @@ void R_StoreWallRange(INT32 start, INT32 stop)
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ffloor[i].b_pos_slope >>= 4;
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ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw_scale);
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ffloor[i].b_step = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos_slope, ds_p->scale2);
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ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(stop-start+1);
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ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(range);
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i++;
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}
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#else
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@ -2824,7 +2832,7 @@ void R_StoreWallRange(INT32 start, INT32 stop)
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ffloor[i].b_pos_slope >>= 4;
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ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw_scale);
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ffloor[i].b_step = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos_slope, ds_p->scale2);
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ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(stop-start+1);
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ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(range);
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i++;
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}
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@ -2846,7 +2854,7 @@ void R_StoreWallRange(INT32 start, INT32 stop)
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ffloor[i].b_pos_slope >>= 4;
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ffloor[i].b_frac = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos, rw_scale);
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ffloor[i].b_step = (centeryfrac >> 4) - FixedMul(ffloor[i].b_pos_slope, ds_p->scale2);
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ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(stop-start+1);
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ffloor[i].b_step = (ffloor[i].b_step-ffloor[i].b_frac)/(range);
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i++;
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}
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#else
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