/**
* @brief Update the episodic memories for a given ape.
* This is based upon a fading memory model in which older memories
* are replaced by newer ones. Each memory has an associated affect
* value indicating its emotional impact, and this fades over time.
*
* The rate of fading is genetically regulated, with different rates
* for memories with positive and negative affect.
* This facilitates optimistic/pessimistic and forgetful/memorable
* type personalities.
*
* The fading memory model may not be strictly realistic, and might
* be replaced by something else in future.
* @param local_being pointer to the ape
*/
void episodic_cycle_no_sim(noble_being * local_being, void * data)
{
if (local_being->delta.awake == 0) return;
{
n_int i;
noble_episodic * local_episodic = being_episodic(local_being);
n_genetics * genetics = being_genetics(local_being);
if (!local_episodic) return;
for (i=0; i<EPISODIC_SIZE; i++)
{
if (local_episodic[i].event == 0) continue;
/** remove intentions which are outdated */
if (local_episodic[i].event >= EVENT_INTENTION)
{
/** is this my intention, or someone else's? */
if (being_name_comparison(local_being, local_episodic[i].first_name[BEING_MEETER], local_episodic[i].family_name[BEING_MEETER]))
{
if (spacetime_before_now(&local_episodic[i].space_time))
{
local_episodic[i].event = 0;
continue;
}
}
episodic_intention_update(local_being, i);
}
/** fade towards EPISODIC_AFFECT_ZERO */
if (local_episodic[i].affect < EPISODIC_AFFECT_ZERO)
{
/** negative memories fade */
if (EPISODIC_AFFECT_ZERO - local_episodic[i].affect > 16)
{
local_episodic[i].affect+=(1+GENE_NEGATIVE_AFFECT_FADE(genetics));
}
else
{
local_episodic[i].affect++;
}
}
else
{
if (local_episodic[i].affect > EPISODIC_AFFECT_ZERO)
{
/** positive memories fade */
if (local_episodic[i].affect - EPISODIC_AFFECT_ZERO > 16)
{
local_episodic[i].affect-=(1+GENE_POSITIVE_AFFECT_FADE(genetics));
}
else
{
local_episodic[i].affect--;
}
}
}
}
}
}
/**
* Update the episodic memories for a given ape.
* This is based upon a fading memory model in which older memories
* are replaced by newer ones. Each memory has an associated affect
* value indicating its emotional impact, and this fades over time.
*
* The rate of fading is genetically regulated, with different rates
* for memories with positive and negative affect.
* This facilitates optimistic/pessimistic and forgetful/memorable
* type personalities.
*
* The fading memory model may not be strictly realistic, and might
* be replaced by something else in future.
* @param local_sim pointer to the simulation
* @param local pointer to the ape
*/
void episodic_cycle(noble_simulation * local_sim, noble_being * local)
{
n_int i;
episodic_memory * local_episodic = GET_EPI(local_sim, local);
if (!local_episodic) return;
for (i=0; i<EPISODIC_SIZE; i++)
{
if (local_episodic[i].event == 0) continue;
/** remove intentions which are outdated */
if (local_episodic[i].event >= EVENT_INTENTION)
{
/** is this my intention, or someone else's? */
if ((local_episodic[i].first_name[BEING_MEETER]==GET_NAME_GENDER(local_sim,local)) &&
(local_episodic[i].family_name[BEING_MEETER]==GET_NAME_FAMILY2(local_sim,local)))
{
if (local_episodic[i].date[0] < local_sim->land->date[0])
{
local_episodic[i].event = 0;
continue;
}
else
{
if (local_episodic[i].time < local_sim->land->time)
{
local_episodic[i].event = 0;
continue;
}
}
}
episodic_intention_update(local_sim,local,i);
}
/** fade towards EPISODIC_AFFECT_ZERO */
if (local_episodic[i].affect < EPISODIC_AFFECT_ZERO)
{
/** negative memories fade */
if (EPISODIC_AFFECT_ZERO - local_episodic[i].affect > 16)
{
local_episodic[i].affect+=(1+GENE_NEGATIVE_AFFECT_FADE(GET_G(local)));
}
else
{
local_episodic[i].affect++;
}
}
else
{
if (local_episodic[i].affect > EPISODIC_AFFECT_ZERO)
{
/** positive memories fade */
if (local_episodic[i].affect - EPISODIC_AFFECT_ZERO > 16)
{
local_episodic[i].affect-=(1+GENE_POSITIVE_AFFECT_FADE(GET_G(local)));
}
else
{
local_episodic[i].affect--;
}
}
}
}
}