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I don't like your sprite clipping fix, so here's mine

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This commit is contained in:
fickleheart 2019-12-01 12:34:25 -06:00
parent 9ecc48d0e4
commit 6131b80f03
2 changed files with 28 additions and 27 deletions
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49
src/hardware/hw_main.c
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@ -3245,20 +3245,22 @@ static void HWR_SplitSprite(gr_vissprite_t *spr)
baseWallVerts[0].t = baseWallVerts[1].t = gpatch->max_t;
}
// if it has a dispoffset, push it a little towards the camera
if (spr->dispoffset)
{
float co = -gr_viewcos*(0.05f*spr->dispoffset);
float si = -gr_viewsin*(0.05f*spr->dispoffset);
baseWallVerts[0].z = baseWallVerts[3].z = baseWallVerts[0].z+si;
baseWallVerts[1].z = baseWallVerts[2].z = baseWallVerts[1].z+si;
baseWallVerts[0].x = baseWallVerts[3].x = baseWallVerts[0].x+co;
baseWallVerts[1].x = baseWallVerts[2].x = baseWallVerts[1].x+co;
}
// Let dispoffset work first since this adjust each vertex
HWR_RotateSpritePolyToAim(spr, baseWallVerts);
// push it toward the camera to mitigate floor-clipping sprites
{
float sprdist = sqrtf((spr->x1 - gr_viewx)*(spr->x1 - gr_viewx) + (spr->z1 - gr_viewy)*(spr->z1 - gr_viewy) + (spr->ty - gr_viewz)*(spr->ty - gr_viewz));
float distfact = ((2.0f*spr->dispoffset) + 20.0f) / sprdist;
size_t i;
for (i = 0; i < 4; i++)
{
baseWallVerts[i].x += (gr_viewx - baseWallVerts[i].x)*distfact;
baseWallVerts[i].z += (gr_viewy - baseWallVerts[i].z)*distfact;
baseWallVerts[i].y += (gr_viewz - baseWallVerts[i].y)*distfact;
}
}
realtop = top = baseWallVerts[3].y;
realbot = bot = baseWallVerts[0].y;
towtop = baseWallVerts[3].t;
@ -3598,20 +3600,23 @@ static void HWR_DrawSprite(gr_vissprite_t *spr)
HWR_DrawSpriteShadow(spr, gpatch, this_scale);
}
// if it has a dispoffset, push it a little towards the camera
if (spr->dispoffset)
{
float co = -gr_viewcos*(0.05f*spr->dispoffset);
float si = -gr_viewsin*(0.05f*spr->dispoffset);
wallVerts[0].z = wallVerts[3].z = wallVerts[0].z+si;
wallVerts[1].z = wallVerts[2].z = wallVerts[1].z+si;
wallVerts[0].x = wallVerts[3].x = wallVerts[0].x+co;
wallVerts[1].x = wallVerts[2].x = wallVerts[1].x+co;
}
// Let dispoffset work first since this adjust each vertex
// ...nah
HWR_RotateSpritePolyToAim(spr, wallVerts);
// push it toward the camera to mitigate floor-clipping sprites
{
float sprdist = sqrtf((spr->x1 - gr_viewx)*(spr->x1 - gr_viewx) + (spr->z1 - gr_viewy)*(spr->z1 - gr_viewy) + (spr->ty - gr_viewz)*(spr->ty - gr_viewz));
float distfact = ((2.0f*spr->dispoffset) + 20.0f) / sprdist;
size_t i;
for (i = 0; i < 4; i++)
{
wallVerts[i].x += (gr_viewx - wallVerts[i].x)*distfact;
wallVerts[i].z += (gr_viewy - wallVerts[i].z)*distfact;
wallVerts[i].y += (gr_viewz - wallVerts[i].y)*distfact;
}
}
// This needs to be AFTER the shadows so that the regular sprites aren't drawn completely black.
// sprite lighting by modulating the RGB components
/// \todo coloured

6
src/r_things.c
View file

@ -259,11 +259,7 @@ static boolean R_AddSingleSpriteDef(const char *sprname, spritedef_t *spritedef,
//BP: we cannot use special tric in hardware mode because feet in ground caused by z-buffer
if (rendermode != render_none) // not for psprite
spritecachedinfo[numspritelumps].topoffset += 4<<FRACBITS;
// Idea, how about we do it like literally every hardware renderer ever?
if (rendermode == render_opengl)
spritecachedinfo[numspritelumps].topoffset += 5<<FRACBITS;
// Being selective with this causes bad things. :( Like the special stage tokens breaking apart.
/*if (rendermode != render_none // not for psprite
&& SHORT(patch.topoffset)>0 && SHORT(patch.topoffset)<SHORT(patch.height))