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Use interp position in GL billboarding

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Eidolon 2022-10-30 23:03:47 -05:00 committed by toaster
parent 8ae551e6bc
commit d814674d81
1 changed files with 15 additions and 2 deletions
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17
src/hardware/hw_main.c
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@ -3019,11 +3019,24 @@ static void HWR_RotateSpritePolyToAim(gr_vissprite_t *spr, FOutVector *wallVerts
{
if (cv_grspritebillboarding.value && spr && spr->mobj && !(spr->mobj->frame & FF_PAPERSPRITE) && wallVerts)
{
float basey = FIXED_TO_FLOAT(spr->mobj->z);
// uncapped/interpolation
interpmobjstate_t interp = {0};
// do interpolation
if (R_UsingFrameInterpolation() && !paused)
{
R_InterpolateMobjState(spr->mobj, rendertimefrac, &interp);
}
else
{
R_InterpolateMobjState(spr->mobj, FRACUNIT, &interp);
}
float basey = FIXED_TO_FLOAT(interp.z);
float lowy = wallVerts[0].y;
if (P_MobjFlip(spr->mobj) == -1)
{
basey = FIXED_TO_FLOAT(spr->mobj->z + spr->mobj->height);
basey = FIXED_TO_FLOAT(interp.z + spr->mobj->height);
}
// Rotate sprites to fully billboard with the camera
// X, Y, AND Z need to be manipulated for the polys to rotate around the