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Revert "Remove linear sky again"

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This reverts commit 21390e91b8.

- also set r_linearsky to "false" by default.
This commit is contained in:
raa-eruanna 2016-10-03 21:39:15 -04:00
parent ddbdb55eca
commit f9795a2533
1 changed files with 16 additions and 2 deletions
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18
src/r_plane.cpp
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@ -859,16 +859,30 @@ static DWORD lastskycol_bgra[4];
static int skycolplace;
static int skycolplace_bgra;
CVAR(Bool, r_linearsky, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG);
// Get a column of sky when there is only one sky texture.
static const BYTE *R_GetOneSkyColumn (FTexture *fronttex, int x)
{
angle_t column = (skyangle + xtoviewangle[x]) ^ skyflip;
int tx = (UMulScale16(column, frontcyl) + frontpos) >> FRACBITS;
int tx;
if (r_linearsky)
{
angle_t xangle = (angle_t)((0.5 - x / (double)viewwidth) * FocalTangent * ANGLE_90);
angle_t column = (skyangle + xangle) ^ skyflip;
tx = (UMulScale16(column, frontcyl) + frontpos) >> FRACBITS;
}
else
{
angle_t column = (skyangle + xtoviewangle[x]) ^ skyflip;
tx = (UMulScale16(column, frontcyl) + frontpos) >> FRACBITS;
}
if (!r_swtruecolor)
return fronttex->GetColumn(tx, NULL);
else
{
return (const BYTE *)fronttex->GetColumnBgra(tx, NULL);
}
}
// Get a column of sky when there are two overlapping sky textures