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fix weapon bobbing interpolation at the start of the level

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This commit is contained in:
Roman Fomin 2022-05-25 17:42:59 +07:00
parent 1d4c8b2b0d
commit bf9a63b090
1 changed files with 16 additions and 11 deletions
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27
Source/r_things.c
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@ -777,18 +777,23 @@ void R_DrawPSprite (pspdef_t *psp)
x1_saved = vis->x1;
texturemid_saved = vis->texturemid;
if (lump == oldlump)
// Do not interpolate on the first tic of the level,
// otherwise oldx1 and oldtexturemid are not reset
if (leveltime > 1)
{
int deltax = vis->x2 - vis->x1;
vis->x1 = oldx1 + FixedMul(vis->x1 - oldx1, fractionaltic);
vis->x2 = vis->x1 + deltax;
vis->texturemid = oldtexturemid + FixedMul(vis->texturemid - oldtexturemid, fractionaltic);
}
else
{
oldx1 = vis->x1;
oldtexturemid = vis->texturemid;
oldlump = lump;
if (lump == oldlump)
{
int deltax = vis->x2 - vis->x1;
vis->x1 = oldx1 + FixedMul(vis->x1 - oldx1, fractionaltic);
vis->x2 = vis->x1 + deltax;
vis->texturemid = oldtexturemid + FixedMul(vis->texturemid - oldtexturemid, fractionaltic);
}
else
{
oldx1 = vis->x1;
oldtexturemid = vis->texturemid;
oldlump = lump;
}
}
}