private NavigationData GetReachableNavigationDataForHerdWander(IActivityCreationContext context,
GameEntity entity, Position targetAreaCenter, int wanderRange)
{
var stopwatch = Stopwatch.StartNew();
NavigationData newNavigationData;
const int maxAttemptsBeforeGivingUpWithStraightPath = 10;
int attempts = 0;
while (true)
{
++attempts;
Position wanderVector = new Position(context.Rng.Next(-wanderRange, wanderRange), context.Rng.Next(-wanderRange, wanderRange));
Position newTargetPosition = targetAreaCenter + wanderVector;
if (newTargetPosition == entity.position.Position)
{
continue;
}
List <Position> pathToTarget = attempts <= maxAttemptsBeforeGivingUpWithStraightPath
? context.Navigator.GetStraightPath(entity.position.Position, newTargetPosition)
: context.Navigator.GetJumpPoints(entity.position.Position, newTargetPosition);
if (pathToTarget == null)
{
continue;
}
newNavigationData = context.Navigator.GetNavigationData(entity.position.Position, newTargetPosition);
break;
}
//Debug.Log("FOUND GOOD PLACE AFTER " + attempts + " attempts and " + stopwatch.ElapsedMilliseconds + "ms.");
return(newNavigationData);
}
protected override Activity CreateActivityInternal(IActivityCreationContext context, StimulusContext stimulusContext, GameEntity entity)
{
entity.ReplaceSleeping(30);
var sleepActivity = new WaitActivity(context.ActionFactory, 30, "Sleep", entityArg => entity.hasSleeping);
return(sleepActivity);
}
public UtilityAi(IActivityCreationContext activityCreationContext, ISkillEvaluationContext skillEvaluationContext,
IConditionContext conditionContext)
{
_activityCreationContext = activityCreationContext;
_skillEvaluationContext = skillEvaluationContext;
_conditionContext = conditionContext;
}
public ActivityResolver(IUtilityAi utilityAi, IConditionContext conditionContext,
IActivityCreationContext activityCreationContext)
{
_utilityAi = utilityAi;
_conditionContext = conditionContext;
_activityCreationContext = activityCreationContext;
}
public Activity CreateActivity(IActivityCreationContext context, float chosenSkillScore, StimulusContext stimulusContext, GameEntity entity)
{
Activity activity = CreateActivityInternal(context, stimulusContext, entity);
activity.Score = chosenSkillScore;
return(activity);
}
private NavigationData GetReachableNavigationDataForWander(IActivityCreationContext context, Position startPosition, Position targetAreaCenter,
int wanderRange, GameEntity entity)
{
NavigationData newNavigationData;
while (true)
{
Position newTargetPosition;
Position wanderVector = new Position(context.Rng.Next(-wanderRange, wanderRange + 1),
context.Rng.Next(-wanderRange, wanderRange + 1));
newTargetPosition = targetAreaCenter + wanderVector;
if (newTargetPosition == startPosition)
{
continue;
}
newNavigationData = context.Navigator.GetNavigationData(startPosition, newTargetPosition);
if (newNavigationData == null)
{
continue;
}
break;
}
return(newNavigationData);
}
protected override Activity CreateActivityInternal(IActivityCreationContext context,
StimulusContext stimulusContext, GameEntity entity)
{
GameEntity enemyNearby = context.EntityDetector.DetectEntities(entity.position.Position, entity.vision.VisionRange)
.FirstOrDefault(e => !context.FriendshipResolver.AreFriends(entity, e));
return(new AttackActivity(context.ActionFactory, context.Navigator, GiveUpDistance, enemyNearby, "Attack", context.Rng, context.GameConfig, context.EntityDetector));
}
public AiActionResolver(IActionFactory actionFactory, IUtilityAi utilityAi,
IActivityCreationContext activityCreationContext, IActivityResolver activityResolver)
{
_actionFactory = actionFactory;
_utilityAi = utilityAi;
_activityCreationContext = activityCreationContext;
_activityResolver = activityResolver;
}
protected override Activity CreateActivityInternal(IActivityCreationContext context,
StimulusContext stimulusContext, GameEntity entity)
{
GameEntity enemyNearby = context.EntityDetector.DetectEntities(entity.position.Position, entity.vision.VisionRange)
.FirstOrDefault(e => !context.FriendshipResolver.AreFriends(entity, e));
Func <Position> targetPositionGetter = () => enemyNearby.position.Position;
return(new ApproachActivity(context.ActionFactory, context.Navigator, targetPositionGetter, 10, "Approach"));
}
protected override Activity CreateActivityInternal(IActivityCreationContext context, StimulusContext stimulusContext, GameEntity entity)
{
if (entity.hasView && entity.view.Controller is EntityViewBehaviour)
{
var evb = (EntityViewBehaviour)entity.view.Controller;
evb.SortingOrder = 0;
}
return(new WaitActivity(context.ActionFactory, 1, "Pass"));
}
protected override Activity CreateActivityInternal(IActivityCreationContext context, StimulusContext stimulusContext,
GameEntity entity)
{
GameEntity enemyNearby =
context.EntityDetector.DetectEntities(entity.position.Position, entity.vision.VisionRange)
.FirstOrDefault(e => !context.FriendshipResolver.AreFriends(entity, e));
return(new KeepDistanceActivity(context.ActionFactory, PreferredDistance, context.Navigator, enemyNearby,
context.CalculatedAreaAccessor, context.Rng, "Keep distance", context.ContextManager));
}
protected override Activity CreateActivityInternal(IActivityCreationContext context, StimulusContext stimulusContext, GameEntity entity)
{
IEnumerable <GameEntity> entitiesSeen = entity.vision.EntitiesRecentlySeen;
GameEntity enemyNearby = entitiesSeen.FirstOrDefault(e => !context.FriendshipResolver.AreFriends(entity, e));
if (enemyNearby == null)
{
throw new InvalidOperationException("Running away, but from whom?");
}
return(new RunAwayActivity(context.ActionFactory, context.CalculatedAreaAccessor, enemyNearby.position.Position, "Run away"));
}
protected override Activity CreateActivityInternal(IActivityCreationContext context, StimulusContext stimulusContext,
GameEntity entity)
{
Position herdCenter = GetHerdCenterOf(context.EntityDetector, entity, context.FriendshipResolver);
var betweenMeAndHerdCenter = new Position((herdCenter.x + entity.position.Position.x) / 2, (herdCenter.y + entity.position.Position.y) / 2);
NavigationData navigationData
= GetReachableNavigationDataForHerdWander(context, entity, betweenMeAndHerdCenter, MaxWalkawayRangeFromHerdCenter);
return(new SequenceActivity(new List <IActivity>
{
new GoToActivity(context.ActionFactory, navigationData, context.Navigator, "Roam"),
new WaitActivity(context.ActionFactory, context.Rng.Next(15), "Wait")
}.GetEnumerator(), "Herd roam"));
}
protected override Activity CreateActivityInternal(IActivityCreationContext context, StimulusContext stimulusContext, GameEntity entity)
{
NavigationData navigationData1 = GetReachableNavigationDataForWander(context, entity.position.Position, entity.position.Position, RoamRange, entity);
NavigationData navigationData2 = GetReachableNavigationDataForWander(context, navigationData1.Destination, entity.position.Position, RoamRange, entity);
return(new SequenceActivity(new List <IActivity>
{
new WaitActivity(context.ActionFactory, context.Rng.Next(MaxWaitTime) + 1, "Wait 1/2"),
new GoToActivity(context.ActionFactory, navigationData1, context.Navigator, "GoTo 1/2"),
new WaitActivity(context.ActionFactory, context.Rng.Next(MaxWaitTime) + 1, "Wait 1/2"),
new GoToActivity(context.ActionFactory, navigationData2, context.Navigator, "GoTo 2/2"),
new WaitActivity(context.ActionFactory, context.Rng.Next(MaxWaitTime) + 1, "Wait 2/2"),
}.GetEnumerator(), "Roam"));
}
protected abstract Activity CreateActivityInternal(IActivityCreationContext context, StimulusContext stimulusContext, GameEntity entity);
