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Remove linear sky again

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This commit is contained in:
Magnus Norddahl 2016-08-06 21:04:45 +02:00
parent 9953d70eaa
commit 21390e91b8
1 changed files with 2 additions and 16 deletions
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18
src/r_plane.cpp
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@ -880,30 +880,16 @@ static DWORD lastskycol_bgra[4];
static int skycolplace; static int skycolplace;
static int skycolplace_bgra; static int skycolplace_bgra;
CVAR(Bool, r_linearsky, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG);
// Get a column of sky when there is only one sky texture. // Get a column of sky when there is only one sky texture.
static const BYTE *R_GetOneSkyColumn (FTexture *fronttex, int x) static const BYTE *R_GetOneSkyColumn (FTexture *fronttex, int x)
{ {
int tx; angle_t column = (skyangle + xtoviewangle[x]) ^ skyflip;
if (r_linearsky) int tx = (UMulScale16(column, frontcyl) + frontpos) >> FRACBITS;
{
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) if (!r_swtruecolor)
return fronttex->GetColumn(tx, NULL); return fronttex->GetColumn(tx, NULL);
else else
{
return (const BYTE *)fronttex->GetColumnBgra(tx, NULL); return (const BYTE *)fronttex->GetColumnBgra(tx, NULL);
}
} }
// Get a column of sky when there are two overlapping sky textures // Get a column of sky when there are two overlapping sky textures