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Renderer floatification: "fix for signed divide" isn't needed when using xs_RoundToInt

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This commit is contained in:
Randy Heit 2016-04-21 19:48:52 -05:00
parent b2b3e50c5c
commit cb0fe38dfe
1 changed files with 4 additions and 8 deletions
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12
src/r_bsp.cpp
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@ -791,8 +791,7 @@ bool FWallCoords::Init(const DVector2 &pt1, const DVector2 &pt2, double too_clos
{
if (tleft.X > tleft.Y) return true; // left edge is off the right side
if (tleft.Y == 0) return true;
sx1 = xs_ToInt(CenterX + tleft.X * CenterX / tleft.Y);
if (tleft.X >= 0) sx1 = MIN(viewwidth, sx1+1); // fix for signed divide
sx1 = xs_RoundToInt(CenterX + tleft.X * CenterX / tleft.Y);
sz1 = tleft.Y;
}
else
@ -811,8 +810,7 @@ bool FWallCoords::Init(const DVector2 &pt1, const DVector2 &pt2, double too_clos
{
if (tright.X < -tright.Y) return true; // right edge is off the left side
if (tright.Y == 0) return true;
sx2 = xs_ToInt(CenterX + tright.X * CenterX / tright.Y);
if (tright.X >= 0) sx2 = MIN(viewwidth, sx2+1); // fix for signed divide
sx2 = xs_RoundToInt(CenterX + tright.X * CenterX / tright.Y);
sz2 = tright.Y;
}
else
@ -945,8 +943,7 @@ static bool R_CheckBBox (fixed_t *bspcoord) // killough 1/28/98: static
{
if (rx1 > ry1) return false; // left edge is off the right side
if (ry1 == 0) return false;
sx1 = xs_ToInt(CenterX + rx1 * CenterX / ry1);
if (rx1 >= 0) sx1 = MIN<int>(viewwidth, sx1+1); // fix for signed divide
sx1 = xs_RoundToInt(CenterX + rx1 * CenterX / ry1);
}
else
{
@ -959,8 +956,7 @@ static bool R_CheckBBox (fixed_t *bspcoord) // killough 1/28/98: static
{
if (rx2 < -ry2) return false; // right edge is off the left side
if (ry2 == 0) return false;
sx2 = xs_ToInt(CenterX + rx2 * CenterX / ry2);
if (rx2 >= 0) sx2 = MIN<int>(viewwidth, sx2+1); // fix for signed divide
sx2 = xs_RoundToInt(CenterX + rx2 * CenterX / ry2);
}
else
{