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R_RenderThickSideRange now checks for slopes in the front sector's lightlist

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This appears to fix a few holes that have been known to appear with FOF slopes sometimes, dunno how they actually came about exactly but this apparently sorts them out
This commit is contained in:
Monster Iestyn 2016-03-07 20:42:25 +00:00
parent eb1c85db48
commit 2f539a4df9
1 changed files with 59 additions and 1 deletions
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60
src/r_segs.c
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@ -673,7 +673,9 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
fixed_t offsetvalue = 0;
lightlist_t *light;
r_lightlist_t *rlight;
#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
@ -751,9 +753,49 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
for (i = p = 0; i < dc_numlights; i++)
{
#ifdef ESLOPE
fixed_t leftheight, rightheight;
fixed_t pfloorleft, pfloorright;
#endif
light = &frontsector->lightlist[i];
rlight = &dc_lightlist[p];
#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;
if (*pfloor->b_slope) {
pfloorleft = P_GetZAt(*pfloor->b_slope, ds->leftpos.x, ds->leftpos.y);
pfloorright = P_GetZAt(*pfloor->b_slope, ds->rightpos.x, ds->rightpos.y);
} else
pfloorleft = pfloorright = *pfloor->bottomheight;
if (leftheight < pfloorleft && rightheight < pfloorright)
continue;
if (*pfloor->t_slope) {
pfloorleft = P_GetZAt(*pfloor->t_slope, ds->leftpos.x, ds->leftpos.y);
pfloorright = P_GetZAt(*pfloor->t_slope, ds->rightpos.x, ds->rightpos.y);
} else
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;
rlight->height = (centeryfrac) - FixedMul(leftheight, ds->scale1);
rlight->heightstep = (centeryfrac) - FixedMul(rightheight, ds->scale2);
rlight->heightstep = (rlight->heightstep-rlight->height)/(ds->x2-ds->x1+1);
rlight->height -= rlight->heightstep;
#else
if (light->height < *pfloor->bottomheight)
continue;
@ -763,13 +805,29 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
lheight = light->height;// > *pfloor->topheight ? *pfloor->topheight + FRACUNIT : light->height;
rlight->heightstep = -FixedMul (rw_scalestep, (lheight - viewz));
rlight->height = (centeryfrac) - FixedMul((lheight - viewz), spryscale) - rlight->heightstep;
#endif
rlight->flags = light->flags;
if (light->flags & FF_CUTLEVEL)
{
#ifdef ESLOPE
if (*light->caster->b_slope) {
leftheight = P_GetZAt(*light->caster->b_slope, ds->leftpos.x, ds->leftpos.y);
rightheight = P_GetZAt(*light->caster->b_slope, ds->rightpos.x, ds->rightpos.y);
} else
leftheight = rightheight = light->caster->bottomheight;
leftheight -= viewz;
rightheight -= viewz;
rlight->botheight = (centeryfrac) - FixedMul(leftheight, ds->scale1);
rlight->botheightstep = (centeryfrac) - FixedMul(rightheight, ds->scale2);
rlight->botheightstep = (rlight->botheightstep-rlight->botheight)/(ds->x2-ds->x1+1);
rlight->botheight -= rlight->botheightstep;
#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) - rlight->botheightstep;
#endif
}
rlight->lightlevel = *light->lightlevel;