private void UpdateAI()
{
// exceptions
if (_actualAction == AIAction.Attack && _life < 0.5f || _actualAction == AIAction.Attack && _isShootAt)
{
SetFree();
}
if (_isOccupied && _actualAction != AIAction.Wander)
{
return;
}
List <double> inputs = new List <double>();
// target distance and elevation difference factors
if (_target == null)
{
inputs.Add(0.0);
}
else
{
inputs.Add(AIUtils.Clamp(1 - _targetDistance / _sightRange + Position.Y / _target.Position.Y / 200));
}
// cover
inputs.Add(_inCover ? 1.0 : AIUtils.Clamp(1 - (GetNearestAvailableStatic(AIStaticType.Cover).Position - Position).Length() / _sightRange));
// bonus
inputs.Add(AIUtils.Clamp(1 - (GetNearestAvailableStatic(AIStaticType.Bonus).Position - Position).Length() / _sightRange));
// med
inputs.Add(AIUtils.Clamp(1 - (GetNearestAvailableStatic(AIStaticType.FirstAidKit).Position - Position).Length() / _sightRange));
// life
inputs.Add((1 - _life));
// experience
inputs.Add(_experience / 100);
// speed
//inputs.Add(MovementSpeed / Settings.OBJECTS_MOVEMENT_SPEED);
// is shoot at
inputs.Add(_isShootAt ? 1.0 : 0.0);
List <double> output = _aiNeuralBrain.Update(inputs);
if (output.Count < AIParams.NumOutputs)
{
throw new Exception("Brain mulfunction for " + this.Identifier + "!");
}
switch (RangeIndex(output[0], 5))
{
case 0:
if (_target != null)
{
Attack(_target);
_actionCounter[AIAction.Attack]++;
Status = AIMovementStatus.Run;
}
else
{
PickUpBonus();
_actionCounter[AIAction.PUBonus]++;
Status = AIMovementStatus.Run;
}
break;
case 1:
PickUpBonus();
_actionCounter[AIAction.PUBonus]++;
Status = AIMovementStatus.Run;
break;
case 2:
Wander();
_actionCounter[AIAction.Wander]++;
Status = AIMovementStatus.Walk;
break;
case 3:
TakeCover();
_actionCounter[AIAction.TakeCover]++;
Status = AIMovementStatus.Run;
break;
case 4:
PickUpMedKit();
_actionCounter[AIAction.PUMed]++;
Status = AIMovementStatus.Run;
break;
default:
throw new Exception("Not valid number of ANN outputs!");
}
#region Old calculations with 5 outputs
////assign the outputs to the aiobject physics
//double max = double.MinValue;
//int max_index = 0;
//for (int i = 0; i < output.Count; i++)
//{
// if (output[i] > max)
// {
// max = output[i];
// max_index = i;
// }
//}
//switch (max_index)
//{
// case 0:
// if (_target != null)
// {
// Attack(_target);
// _actionCounter[AIAction.Attack]++;
// Status = AIMovementStatus.Run;
// }
// else
// {
// PickUpBonus();
// _actionCounter[AIAction.PickUpBonus]++;
// Status = AIMovementStatus.Run;
// }
// break;
// case 1:
// TakeCover();
// _actionCounter[AIAction.TakeCover]++;
// Status = AIMovementStatus.Run;
// break;
// case 2:
// PickUpMedKit();
// _actionCounter[AIAction.PickUpMed]++;
// Status = AIMovementStatus.Run;
// break;
// case 3:
// Wander();
// _actionCounter[AIAction.Wander]++;
// Status = AIMovementStatus.Walk;
// break;
// default:
// throw new Exception("Wrong number of outputs from ANN!");
// //Wander();
// //_actionCounter[AIAction.Wander]++;
// //Status = AIMovementStatus.Walk;
// //SetFree();
// break;
//}
#endregion
}