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Rewrote A_SetTargetsTarget to be more sensible and efficient

This commit is contained in:
Monster Iestyn 2015-08-13 19:42:00 +01:00
parent ac5c8f10e9
commit b449bd826a
1 changed files with 21 additions and 34 deletions
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55
src/p_enemy.c
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@ -7592,48 +7592,35 @@ void A_SetTargetsTarget(mobj_t *actor)
{
INT32 locvar1 = var1;
INT32 locvar2 = var2;
mobj_t *targetedmobj = NULL;
thinker_t *th;
mobj_t *mo2;
mobj_t *oldtarg = NULL, *newtarg = NULL;
#ifdef HAVE_BLUA
if (LUA_CallAction("A_SetTargetsTarget", actor))
return;
#endif
if ((!locvar1 && (!actor->target)) || (locvar1 && (!actor->tracer)))
// actor's target
if (locvar1) // or tracer
oldtarg = actor->tracer;
else
oldtarg = actor->target;
if (P_MobjWasRemoved(oldtarg))
return;
if ((!locvar1 && !locvar2 && (!actor->target->target))
|| (!locvar1 && locvar2 && (!actor->target->tracer))
|| (locvar1 && !locvar2 && (!actor->tracer->target))
|| (locvar1 && locvar2 && (!actor->tracer->tracer)))
return; // Don't search for nothing.
// scan the thinkers
for (th = thinkercap.next; th != &thinkercap; th = th->next)
{
if (th->function.acp1 != (actionf_p1)P_MobjThinker)
continue;
mo2 = (mobj_t *)th;
if ((!locvar1 && !locvar2 && (mo2 == actor->target->target))
|| (!locvar1 && locvar2 && (mo2 == actor->target->tracer))
|| (locvar1 && !locvar2 && (mo2 == actor->tracer->target))
|| (locvar1 && locvar2 && (mo2 == actor->tracer->tracer)))
{
targetedmobj = mo2;
break;
}
}
if (!targetedmobj)
return; // Oops, nothing found..
if (!locvar1)
P_SetTarget(&actor->target, targetedmobj);
// actor's target's target!
if (locvar2) // or tracer
newtarg = oldtarg->tracer;
else
P_SetTarget(&actor->tracer, targetedmobj);
newtarg = oldtarg->target;
if (P_MobjWasRemoved(newtarg))
return;
// set actor's new target
if (locvar1) // or tracer
P_SetTarget(&actor->tracer, newtarg);
else
P_SetTarget(&actor->target, newtarg);
}
// Function: A_SetObjectFlags