// return new or current assignment, or null to cancel current assignment, or do nothing is no current assignment
protected override IAssignment GetNewOrCurrentAssignment(ActionPriority priority)
{
if (priority == ActionPriority.Idle)
{
return(this.CurrentAssignment);
}
if (m_target == null)
{
m_target = AIHelpers.FindNearestEnemy(this.Worker, LivingCategory.Civilized);
if (m_target == null)
{
// continue patrolling
if (this.CurrentAssignment == null || (this.CurrentAssignment is RandomMoveAssignment) == false)
{
trace.TraceInformation("Start random move");
return(new RandomMoveAssignment(null));
}
else
{
trace.TraceVerbose("Continue patrolling");
return(this.CurrentAssignment);
}
}
trace.TraceInformation("Found target: {0}", m_target);
}
Debug.Assert(m_target != null);
if (this.CurrentAssignment == null || (this.CurrentAssignment is AttackAssignment) == false)
{
trace.TraceInformation("Start attacking: {0}", m_target);
var assignment = new AttackAssignment(this, m_target);
return(assignment);
}
else
{
trace.TraceInformation("Continue attacking: {0}", m_target);
return(this.CurrentAssignment);
}
}
// return new or current assignment, or null to cancel current assignment, or do nothing is no current assignment
protected override IAssignment GetNewOrCurrentAssignment(ActionPriority priority)
{
if (priority == ActionPriority.High)
{
return(this.CurrentAssignment);
}
var worker = this.Worker;
bool hasAssignment = this.CurrentAssignment != null;
bool hasOtherAssignment = this.CurrentAssignment == null && this.Worker.HasAction;
if (hasOtherAssignment)
{
return(null);
}
switch (this.State)
{
case HervivoreAIState.Grazing:
{
var enemies = AIHelpers.FindEnemies(worker, LivingCategory.Carnivore | LivingCategory.Civilized | LivingCategory.Monster);
if (enemies.Any())
{
var fleeVector = GetFleeVector(enemies);
trace.TraceInformation("Changing to Flee state, v = {0}", fleeVector);
this.State = HervivoreAIState.Fleeing;
m_fleeFinishedTick = worker.World.TickNumber + FLEE_TIME;
m_fleeAssignment = new FleeMoveAssignment(this);
m_fleeAssignment.SetFleeVector(fleeVector);
return(m_fleeAssignment);
}
if (hasAssignment)
{
return(this.CurrentAssignment);
}
return(new Dwarrowdelf.Jobs.Assignments.GrazeMoveAssignment(this, this.Group));
}
case HervivoreAIState.Fleeing:
{
var enemies = AIHelpers.FindEnemies(worker, LivingCategory.Carnivore | LivingCategory.Civilized | LivingCategory.Monster);
if (enemies.Any())
{
var fleeVector = GetFleeVector(enemies);
trace.TraceInformation("Updating fleevector: {0}", fleeVector);
m_fleeFinishedTick = worker.World.TickNumber + FLEE_TIME;
m_fleeAssignment.SetFleeVector(fleeVector);
return(m_fleeAssignment);
}
else if (worker.World.TickNumber < m_fleeFinishedTick)
{
trace.TraceInformation("Continue fleeing");
return(m_fleeAssignment);
}
else
{
m_fleeAssignment.Abort();
trace.TraceInformation("Changing to Graze state");
this.State = HervivoreAIState.Grazing;
return(new Dwarrowdelf.Jobs.Assignments.GrazeMoveAssignment(this, this.Group));
}
}
default:
throw new Exception();
}
}