private void PropsUpdateVisibility(
MobUpdateContext context)
{
UpdatePlayerPropVisibility(context);
UpdateAIPropVisibility(context);
UpdateEnergyTankPropVisibility(context);
}
private void PropsUpdateStatus(
MobUpdateContext context)
{
Mob ownerMob = context.mob;
player_props.ForEach(prop => MobAIPerceptionState.UpdatePropStatus(ownerMob, prop));
ai_props.ForEach(prop => MobAIPerceptionState.UpdatePropStatus(ownerMob, prop));
energy_tank_props.ForEach(prop => MobAIPerceptionState.UpdatePropStatus(ownerMob, prop));
}
// -- Top Level Update Functions --
private void PropListsRefresh(
MobUpdateContext context)
{
// Create props for any Entity that we don't already have a prop for.
// Remove props for any Entity that no longer exists.
player_props = MobAIPerceptionState.PropListsRefresh(context.mob, context.moveRequest.Players, player_props);
ai_props = MobAIPerceptionState.PropListsRefresh(context.mob, context.otherMobs, ai_props);
energy_tank_props = MobAIPerceptionState.PropListsRefresh(context.mob, context.moveRequest.EnergyTanks, energy_tank_props);
}
private void PropsUpdateSalience(
MobUpdateContext context)
{
Mob ownerMob = context.mob;
// Compute a salience score for all props
player_props.ForEach(prop => prop.salience = MobAIPerceptionState.ComputePropSalience(PlayerPropEvaluators, ownerMob, prop));
ai_props.ForEach(prop => prop.salience = MobAIPerceptionState.ComputePropSalience(AIPropEvaluators, ownerMob, prop));
energy_tank_props.ForEach(prop => prop.salience = MobAIPerceptionState.ComputePropSalience(EnergyTankPropEvaluators, ownerMob, prop));
}
private void UpdateEnergyTankPropVisibility(
MobUpdateContext context)
{
Mob ownerMob = context.mob;
NavMesh navMesh = context.moveRequest.Room.runtime_nav_mesh;
foreach (EntityProp prop in energy_tank_props)
{
Point3d oldPropPosition = prop.GetPosition();
// Find the energy tank associated with the player id
EnergyTank energyTank = context.moveRequest.EnergyTanks.Find(e => e.ID == prop.target_object_id);
// Can the mob see the player at their current location
bool canSee = CanMobSeePoint(navMesh, ownerMob, energyTank.Position);
TypedFlags <EntityProp.ePropVisibilityFlags> oldVisibilityFlags =
new TypedFlags <EntityProp.ePropVisibilityFlags>(prop.visibilityFlags);
prop.visibilityFlags.Set(EntityProp.ePropVisibilityFlags.canSee, canSee);
prop.visibilityFlags.Set(EntityProp.ePropVisibilityFlags.caughtGlimpse, canSee);
prop.visibilityFlags.Set(EntityProp.ePropVisibilityFlags.stationary, true);
if (canSee)
{
// If so, we get to pull the entity properties
prop.RefeshEntityProperties(ownerMob, energyTank);
prop.visibilityFlags.Set(EntityProp.ePropVisibilityFlags.seenAtLeastOnce, true);
}
// Update the status of the prop based on the current visibility
UpdatePropStatus(ownerMob, prop);
// Post an event if we just spotted an energy that we've never seen before
if (!oldVisibilityFlags.Test(EntityProp.ePropVisibilityFlags.canSee) &&
!oldVisibilityFlags.Test(EntityProp.ePropVisibilityFlags.seenAtLeastOnce) &&
(prop.visibilityFlags.Test(EntityProp.ePropVisibilityFlags.canSee) ||
prop.visibilityFlags.Test(EntityProp.ePropVisibilityFlags.caughtGlimpse)))
{
context.output_game_events.Add(
new GameEvent_MobEnergyTankPropSpotted()
{
mob_id = ownerMob.ID,
energy_tank_id = prop.target_object_id
});
}
}
}
public void Update(
MobUpdateContext context)
{
// See if there are any new props we should be paying attention to
PropListsRefresh(context);
// Update the prop status for each prop based on visibility
PropsUpdateVisibility(context);
//TODO: Update the prop status for each prop based on audibility events
// Compute the new status based on the new visibility / audibility of each props
PropsUpdateStatus(context);
// Update salience scores of our targets
PropsUpdateSalience(context);
// Pick friendly, enemy, and neutral targets based on salience
UpdateTargets();
}
private void UpdateAIPropVisibility(
MobUpdateContext context)
{
Mob ownerMob = context.mob;
NavMesh navMesh = context.moveRequest.Room.runtime_nav_mesh;
foreach (EntityProp prop in ai_props)
{
Point3d oldPropPosition = prop.GetPosition();
// Find the player associated with the player id
MobUpdateContext otherMobContext = context.moveRequest.MobContexts.Find(m => m.mob.ID == prop.target_object_id);
Mob otherMob = otherMobContext.mob;
// Can the mob see the other mob at their current location
bool canSee = CanMobSeePoint(navMesh, ownerMob, otherMob.Position);
TypedFlags <EntityProp.ePropVisibilityFlags> oldVisibilityFlags =
new TypedFlags <EntityProp.ePropVisibilityFlags>(prop.visibilityFlags);
prop.visibilityFlags.Set(EntityProp.ePropVisibilityFlags.canSee, canSee);
prop.visibilityFlags.Set(EntityProp.ePropVisibilityFlags.caughtGlimpse, canSee);
if (canSee)
{
// If so, we get to pull the entity properties
prop.RefeshEntityProperties(ownerMob, otherMob);
prop.visibilityFlags.Set(EntityProp.ePropVisibilityFlags.seenAtLeastOnce, true);
}
else
{
EntityPath entityPath = otherMobContext.path;
if (entityPath != null)
{
// Find the last place we saw the player along their path, if at all
for (int pathStepIndex = entityPath.path.Count - 1; pathStepIndex >= 0; pathStepIndex--)
{
PathStep pathStep = entityPath.path[pathStepIndex];
if (CanMobSeePoint(navMesh, ownerMob, pathStep.StepPoint))
{
prop.position_x = pathStep.StepPoint.x;
prop.position_y = pathStep.StepPoint.y;
prop.position_z = pathStep.StepPoint.z;
prop.visibilityFlags.Set(EntityProp.ePropVisibilityFlags.caughtGlimpse, true);
prop.visibilityFlags.Set(EntityProp.ePropVisibilityFlags.seenAtLeastOnce, true);
break;
}
}
}
}
// Post an event if we just spotted another mob that we've never seen before
if (!oldVisibilityFlags.Test(EntityProp.ePropVisibilityFlags.canSee) &&
!oldVisibilityFlags.Test(EntityProp.ePropVisibilityFlags.seenAtLeastOnce) &&
(prop.visibilityFlags.Test(EntityProp.ePropVisibilityFlags.canSee) ||
prop.visibilityFlags.Test(EntityProp.ePropVisibilityFlags.caughtGlimpse)))
{
context.output_game_events.Add(
new GameEvent_MobAIPropSpotted()
{
mob_id = ownerMob.ID,
spotted_mob_id = prop.target_object_id,
x = prop.position_x,
y = prop.position_y,
z = prop.position_z
});
}
}
}