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I think this is as optimised as it's gonna get. Now onto the flag!

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This commit is contained in:
toasterbabe 2016-08-18 12:55:04 +01:00
parent 2d3ebc5e49
commit ce8ae48222
1 changed files with 9 additions and 7 deletions
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16
src/r_things.c
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@ -1258,7 +1258,7 @@ static void R_ProjectSprite(mobj_t *thing)
if (flatsprite)
{
fixed_t yscale2;
fixed_t yscale2, cosmul, sinmul;
INT32 range;
if (ang >= ANGLE_180)
@ -1266,23 +1266,25 @@ static void R_ProjectSprite(mobj_t *thing)
offset *= -1;
offset2 *= -1;
}
offset2 += offset;
tr_x = thing->x + FixedMul(offset, FINECOSINE(thing->angle>>ANGLETOFINESHIFT)) - viewx;
tr_y = thing->y + FixedMul(offset, FINESINE(thing->angle>>ANGLETOFINESHIFT)) - viewy;
cosmul = FINECOSINE(thing->angle>>ANGLETOFINESHIFT);
sinmul = FINESINE(thing->angle>>ANGLETOFINESHIFT);
tr_x += FixedMul(offset, cosmul);
tr_y += FixedMul(offset, sinmul);
gxt = FixedMul(tr_x, viewcos);
gyt = -FixedMul(tr_y, viewsin);
tz = gxt-gyt;
yscale = FixedDiv(projectiony, tz);
if (yscale < 64) return; // Fix some funky visuals
tr_x = thing->x + FixedMul(offset2, FINECOSINE(thing->angle>>ANGLETOFINESHIFT)) - viewx;
tr_y = thing->y + FixedMul(offset2, FINESINE(thing->angle>>ANGLETOFINESHIFT)) - viewy;
tr_x += FixedMul(offset2, cosmul);
tr_y += FixedMul(offset2, sinmul);
gxt = FixedMul(tr_x, viewcos);
gyt = -FixedMul(tr_y, viewsin);
tz = gxt-gyt;
yscale2 = FixedDiv(projectiony, tz);
if (yscale2 < 64) return; // Fix some funky visuals
if (yscale2 < 64) return; // ditto
if (x2 > x1)
range = (x2 - x1);