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Give item drops a trail upward, fall faster

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This commit is contained in:
James R 2023-01-01 01:56:29 -08:00
parent 50d9bf7b7d
commit 691e84f489
1 changed files with 30 additions and 0 deletions
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30
src/p_mobj.c
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@ -1225,6 +1225,21 @@ fixed_t P_GetMobjGravity(mobj_t *mo)
case MT_ITEM_DEBRIS:
gravityadd *= 6;
break;
case MT_FLOATINGITEM: {
// Basically this accelerates gravity after
// the object reached its peak vertical
// momentum. It's a gradual acceleration up
// to 2x normal gravity. It's not instant to
// give it some 'weight'.
const fixed_t z = P_MobjFlip(mo) * mo->momz;
if (z < 0)
{
const fixed_t d = (z - (mo->height / 2));
const fixed_t f = 2 * abs(FixedDiv(d, mo->height));
gravityadd = FixedMul(gravityadd, FRACUNIT + min(f, 2*FRACUNIT));
}
break;
}
default:
break;
}
@ -5734,6 +5749,21 @@ static void P_MobjSceneryThink(mobj_t *mobj)
P_AddOverlay(mobj);
if (mobj->target->hitlag) // move to the correct position, update to the correct properties, but DON'T STATE-ANIMATE
return;
switch (mobj->target->type)
{
case MT_FLOATINGITEM:
// Spawn trail for item drop as it flies upward.
// Done here so it applies to backdrop too.
if (mobj->target->momz * P_MobjFlip(mobj->target) > 0)
{
P_SpawnGhostMobj(mobj);
P_SpawnGhostMobj(mobj->target);
}
break;
default:
break;
}
break;
case MT_WATERDROP:
P_SceneryCheckWater(mobj);