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Internal sky improvement ports

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Horizon lines, barrel sky distortion
This commit is contained in:
TehRealSalt 2018-07-08 15:44:01 -04:00
parent 722e1d570e
commit 2c7082a475
2 changed files with 19 additions and 12 deletions
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1
src/r_plane.c
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@ -714,6 +714,7 @@ void R_DrawPlanes(void)
if (dc_yl <= dc_yh)
{
angle = (pl->viewangle + xtoviewangle[x])>>ANGLETOSKYSHIFT;
dc_iscale = FixedMul(skyscale, FINECOSINE(xtoviewangle[x]>>ANGLETOFINESHIFT));
dc_x = x;
dc_source =
R_GetColumn(skytexture,

30
src/r_segs.c
View file

@ -2674,22 +2674,28 @@ void R_StoreWallRange(INT32 start, INT32 stop)
worldbottomslope >>= 4;
#endif
topstep = -FixedMul (rw_scalestep, worldtop);
topfrac = (centeryfrac>>4) - FixedMul (worldtop, rw_scale);
if (linedef->special == 41) { // HORIZON LINES
topstep = bottomstep = 0;
topfrac = bottomfrac = (centeryfrac>>4);
topfrac++; // Prevent 1px HOM
} else {
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) {
fixed_t topfracend = (centeryfrac>>4) - FixedMul (worldtopslope, ds_p->scale2);
topstep = (topfracend-topfrac)/(range);
}
if (frontsector->f_slope) {
fixed_t bottomfracend = (centeryfrac>>4) - FixedMul (worldbottomslope, ds_p->scale2);
bottomstep = (bottomfracend-bottomfrac)/(range);
}
if (frontsector->c_slope) {
fixed_t topfracend = (centeryfrac>>4) - FixedMul (worldtopslope, ds_p->scale2);
topstep = (topfracend-topfrac)/(range);
}
if (frontsector->f_slope) {
fixed_t bottomfracend = (centeryfrac>>4) - FixedMul (worldbottomslope, ds_p->scale2);
bottomstep = (bottomfracend-bottomfrac)/(range);
}
#endif
}
dc_numlights = 0;