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Avoid rendering unused left/right edges of screen while rolling

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This commit is contained in:
fickleheart 2020-01-17 23:21:11 -06:00
parent 21ccefe4eb
commit 1d221a453a
2 changed files with 29 additions and 34 deletions
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24
src/r_main.c
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@ -561,6 +561,7 @@ static struct {
fixed_t zoomneeded;
INT32 *scrmap;
INT32 scrmapsize;
INT32 x1; // clip rendering horizontally for efficiency
boolean use;
} viewmorph = {
0,
@ -570,6 +571,7 @@ static struct {
FRACUNIT,
NULL,
0,
0,
false
};
@ -615,6 +617,7 @@ void R_CheckViewMorph(void)
)
{
viewmorph.use = false;
viewmorph.x1 = 0;
if (viewmorph.zoomneeded != FRACUNIT)
R_SetViewSize();
viewmorph.zoomneeded = FRACUNIT;
@ -682,6 +685,14 @@ void R_CheckViewMorph(void)
x1 = -(halfwidth * rollcos - halfheight * rollsin);
y1 = -(halfheight * rollcos + halfwidth * rollsin);
#ifdef WOUGHMP_WOUGHMP
if (fisheye)
viewmorph.x1 = (INT32)(halfwidth - (halfwidth * fabsf(rollcos) + halfheight * fabsf(rollsin)) * fisheyemap[halfwidth]);
else
#endif
viewmorph.x1 = (INT32)(halfwidth - (halfwidth * fabsf(rollcos) + halfheight * fabsf(rollsin)));
//CONS_Printf("saving %d cols\n", viewmorph.x1);
//CONS_Printf("Top left corner is %f %f\n", x1, y1);
#ifdef WOUGHMP_WOUGHMP
@ -1316,7 +1327,18 @@ void R_RenderPlayerView(player_t *player)
validcount++;
// Clear buffers.
R_ClearClipSegs();
if (viewmorph.use)
{
portalclipstart = viewmorph.x1;
portalclipend = viewwidth-viewmorph.x1-1;
R_PortalClearClipSegs(portalclipstart, portalclipend);
}
else
{
portalclipstart = 0;
portalclipend = viewwidth-1;
R_ClearClipSegs();
}
R_ClearDrawSegs();
R_ClearPlanes();
R_ClearSprites();

39
src/r_things.c
View file

@ -1307,17 +1307,8 @@ static void R_ProjectDropShadow(mobj_t *thing, vissprite_t *vis, fixed_t scale,
shadow->mobj = thing; // Easy access! Tails 06-07-2002
shadow->x1 = x1 < 0 ? 0 : x1;
shadow->x2 = x2 >= viewwidth ? viewwidth-1 : x2;
// PORTAL SEMI-CLIPPING
if (portalrender)
{
if (shadow->x1 < portalclipstart)
shadow->x1 = portalclipstart;
if (shadow->x2 >= portalclipend)
shadow->x2 = portalclipend-1;
}
shadow->x1 = x1 < portalclipstart ? portalclipstart : x1;
shadow->x2 = x2 >= portalclipend ? portalclipend-1 : x2;
shadow->xscale = FixedMul(xscale, shadowxscale); //SoM: 4/17/2000
shadow->scale = FixedMul(yscale, shadowyscale);
@ -1815,17 +1806,8 @@ static void R_ProjectSprite(mobj_t *thing)
vis->mobj = thing; // Easy access! Tails 06-07-2002
vis->x1 = x1 < 0 ? 0 : x1;
vis->x2 = x2 >= viewwidth ? viewwidth-1 : x2;
// PORTAL SEMI-CLIPPING
if (portalrender)
{
if (vis->x1 < portalclipstart)
vis->x1 = portalclipstart;
if (vis->x2 >= portalclipend)
vis->x2 = portalclipend-1;
}
vis->x1 = x1 < portalclipstart ? portalclipstart : x1;
vis->x2 = x2 >= portalclipend ? portalclipend-1 : x2;
vis->xscale = xscale; //SoM: 4/17/2000
vis->sector = thing->subsector->sector;
@ -2034,17 +2016,8 @@ static void R_ProjectPrecipitationSprite(precipmobj_t *thing)
vis->shear.tan = 0;
vis->shear.offset = 0;
vis->x1 = x1 < 0 ? 0 : x1;
vis->x2 = x2 >= viewwidth ? viewwidth-1 : x2;
// PORTAL SEMI-CLIPPING
if (portalrender)
{
if (vis->x1 < portalclipstart)
vis->x1 = portalclipstart;
if (vis->x2 >= portalclipend)
vis->x2 = portalclipend-1;
}
vis->x1 = x1 < portalclipstart ? portalclipstart : x1;
vis->x2 = x2 >= portalclipend ? portalclipend-1 : x2;
vis->xscale = xscale; //SoM: 4/17/2000
vis->sector = thing->subsector->sector;