stjr/SRB2
0
0
Fork 0
mirror of https://git.do.srb2.org/STJr/SRB2.git synced 2025-02-01 06:00:45 +00:00
Code Issues Projects Releases Packages Wiki Activity

Invert OpenGL rollangle for papersprites to match software renderer behaviour

Browse source
This commit is contained in:
Lach 2023-01-26 15:29:35 +11:00
parent 43eb7526c0
commit 42fa7f4723
1 changed files with 11 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
src/hardware/hw_main.c
View file

@ -5180,7 +5180,15 @@ static void HWR_ProjectSprite(mobj_t *thing)
if (thing->rollangle
&& !(splat && !(thing->renderflags & RF_NOSPLATROLLANGLE)))
{
rollangle = R_GetRollAngle(thing->rollangle);
if (papersprite)
{
// a positive rollangle should should pitch papersprites upwards relative to their facing angle
rollangle = R_GetRollAngle(InvAngle(thing->rollangle));
}
else
{
rollangle = R_GetRollAngle(thing->rollangle);
}
rotsprite = Patch_GetRotatedSprite(sprframe, (thing->frame & FF_FRAMEMASK), rot, flip, false, sprinfo, rollangle);
if (rotsprite != NULL)
@ -5234,7 +5242,7 @@ static void HWR_ProjectSprite(mobj_t *thing)
{
interpmobjstate_t casterinterp = { 0 };
fixed_t groundz;
fixed_t floordiff;
fixed_t floordiff;
if (R_UsingFrameInterpolation() && !paused)
{
@ -5244,7 +5252,7 @@ static void HWR_ProjectSprite(mobj_t *thing)
{
R_InterpolateMobjState(caster, FRACUNIT, &casterinterp);
}
groundz = R_GetShadowZ(thing, NULL);
floordiff = abs(((thing->eflags & MFE_VERTICALFLIP) ? caster->height : 0) + casterinterp.z - groundz);