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Merge branch 'horizon_lines' into 'master'

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Horizon lines

Horizon lines for software mode! Place a Linedef type 41 somewhere on a one-sided linedef and it'll do fancy rendering hacks to draw the adjacent floor/ceiling to the "horizon". One small thing to sort out when I remember to do so, but this is good enough for merge already.

See merge request !44
This commit is contained in:
Monster Iestyn 2016-10-07 17:28:25 -04:00
commit c5f51ded32
1 changed files with 17 additions and 12 deletions
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src/r_segs.c
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@ -2622,6 +2622,10 @@ void R_StoreWallRange(INT32 start, INT32 stop)
worldbottomslope >>= 4; worldbottomslope >>= 4;
#endif #endif
if (linedef->special == 41) { // HORIZON LINES
topstep = bottomstep = 0;
topfrac = bottomfrac = (centeryfrac>>4);
} else {
topstep = -FixedMul (rw_scalestep, worldtop); topstep = -FixedMul (rw_scalestep, worldtop);
topfrac = (centeryfrac>>4) - FixedMul (worldtop, rw_scale); topfrac = (centeryfrac>>4) - FixedMul (worldtop, rw_scale);
@ -2638,6 +2642,7 @@ void R_StoreWallRange(INT32 start, INT32 stop)
bottomstep = (bottomfracend-bottomfrac)/(range); bottomstep = (bottomfracend-bottomfrac)/(range);
} }
#endif #endif
}
dc_numlights = 0; dc_numlights = 0;