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Increase precision of smooth contrast

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(cherry picked from commit 4c6664292e)
This commit is contained in:
Sally Cochenour 2019-12-25 22:50:41 -05:00
parent ac365a0c81
commit 65a02b0f8f
1 changed files with 2 additions and 3 deletions
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5
src/hardware/hw_main.c
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@ -1037,12 +1037,11 @@ static FUINT HWR_CalcWallLight(FUINT lightnum, fixed_t v1x, fixed_t v1y, fixed_t
if (cv_grfakecontrast.value == 2) // Smooth setting if (cv_grfakecontrast.value == 2) // Smooth setting
{ {
extralight = -(contrast<<FRACBITS) + extralight = (-(contrast<<FRACBITS) +
FixedDiv(AngleFixed(R_PointToAngle2(0, 0, FixedDiv(AngleFixed(R_PointToAngle2(0, 0,
abs(v1x - v2x), abs(v1x - v2x),
abs(v1y - v2y))), 90<<FRACBITS) abs(v1y - v2y))), 90<<FRACBITS)
* (contrast * 2); * (contrast * 2)) >> FRACBITS;
extralight = FixedFloor(extralight + (FRACUNIT>>1)) >> FRACBITS;
} }
else else
{ {