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Cleaned up some performance issues in Skytop Zone (2.1.16: THE SUGOI UPDATE) arising from some inefficiencies with P_GetMobjGravity. FPS drops only occasionally to 34 now, which is a big improvement when I was frequently getting 27 in Salt's 15andahalf.exe.

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This commit is contained in:
toasterbabe 2016-08-28 13:19:17 +01:00
parent 831c29ead7
commit 50ce152c69
1 changed files with 23 additions and 34 deletions
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57
src/p_mobj.c
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@ -1278,25 +1278,23 @@ fixed_t P_GetMobjGravity(mobj_t *mo)
for (rover = mo->subsector->sector->ffloors; rover; rover = rover->next)
{
if (!(rover->flags & FF_EXISTS))
if (!((rover->flags & FF_EXISTS) && (P_InsideANonSolidFFloor(mo, rover))))
continue;
if (P_InsideANonSolidFFloor(mo, rover))
{
if ((rover->flags & (FF_SWIMMABLE|FF_GOOWATER)) == (FF_SWIMMABLE|FF_GOOWATER))
goopgravity = true;
if (rover->master->frontsector->gravity)
{
gravityadd = -FixedMul(gravity,
(FixedDiv(*rover->master->frontsector->gravity>>FRACBITS, 1000)));
if ((rover->flags & (FF_SWIMMABLE|FF_GOOWATER)) == (FF_SWIMMABLE|FF_GOOWATER))
goopgravity = true;
if (rover->master->frontsector->verticalflip && gravityadd > 0)
mo->eflags |= MFE_VERTICALFLIP;
if (!(rover->master->frontsector->gravity))
continue;
no3dfloorgrav = false;
break;
}
}
gravityadd = -FixedMul(gravity,
(FixedDiv(*rover->master->frontsector->gravity>>FRACBITS, 1000)));
if (rover->master->frontsector->verticalflip && gravityadd > 0)
mo->eflags |= MFE_VERTICALFLIP;
no3dfloorgrav = false;
break;
}
}
@ -1318,28 +1316,22 @@ fixed_t P_GetMobjGravity(mobj_t *mo)
if (mo->player)
{
if (mo->player->charability == CA_FLY && (mo->player->powers[pw_tailsfly]
|| (mo->state >= &states[S_PLAY_SPC1] && mo->state <= &states[S_PLAY_SPC4])))
gravityadd = gravityadd/3; // less gravity while flying
if (mo->player->pflags & PF_GLIDING)
gravityadd = gravityadd/3; // less gravity while gliding
if (mo->player->climbing)
gravityadd = 0;
if (mo->player->pflags & PF_NIGHTSMODE)
if ((mo->player->pflags & PF_GLIDING)
|| (mo->player->charability == CA_FLY && (mo->player->powers[pw_tailsfly]
|| (mo->state >= &states[S_PLAY_SPC1] && mo->state <= &states[S_PLAY_SPC4]))))
gravityadd = gravityadd/3; // less gravity while flying/gliding
if (mo->player->climbing || (mo->player->pflags & PF_NIGHTSMODE))
gravityadd = 0;
{
UINT8 bits = 0;
if (mo->flags2 & MF2_OBJECTFLIP)
bits ^= 1;
if (mo->player->powers[pw_gravityboots])
bits ^= 1;
if (bits & 1)
if (!!(mo->flags2 & MF2_OBJECTFLIP) != !!(mo->player->powers[pw_gravityboots]))
{
gravityadd = -gravityadd;
mo->eflags ^= MFE_VERTICALFLIP;
}
}
if (!!(mo->eflags & MFE_VERTICALFLIP) != wasflip)
P_PlayerFlip(mo);
}
else
{
@ -1347,10 +1339,10 @@ fixed_t P_GetMobjGravity(mobj_t *mo)
if (mo->flags2 & MF2_OBJECTFLIP)
{
mo->eflags |= MFE_VERTICALFLIP;
if (gravityadd < 0) // Don't sink, only rise up
gravityadd *= -1;
if (mo->z + mo->height >= mo->ceilingz)
gravityadd = 0;
else if (gravityadd < 0) // Don't sink, only rise up
gravityadd *= -1;
}
else //Otherwise, sort through the other exceptions.
{
@ -1396,9 +1388,6 @@ fixed_t P_GetMobjGravity(mobj_t *mo)
if (goopgravity)
gravityadd = -gravityadd/5;
if (mo->player && !!(mo->eflags & MFE_VERTICALFLIP) != wasflip)
P_PlayerFlip(mo);
gravityadd = FixedMul(gravityadd, mo->scale);
return gravityadd;