/// <summary>
/// Execute an action on an agent
/// </summary>
public void Execute(Agent agent, Action action)
{
if (action == null)
{
return;
}
var executed = false;
switch (action.Type)
{
case ActionType.Move:
executed |= MoveAgent(agent, agent.Direction);
break;
case ActionType.Turn:
var turnAction = action as TurnAction;
var turnDirection = agent.Direction.GetRelative(turnAction.GetDirection());
if (Maze.CanGoInDirection(agent.Location, turnDirection))
{
agent.Direction = turnDirection;
executed = true;
}
break;
case ActionType.Look:
var lookAction = action as LookAction;
var reaction = lookAction.Reaction(agent.Direction, Maze.Look(agent.Location));
agent.Direction = Maze.CanGoInDirection(agent.Location, reaction)
? reaction
: Maze.GetAvailableLocationDirections(agent.Location)
.First(location => location.Direction != agent.Direction)
.Direction;
executed = true;
break;
}
agent.CurrentAction = null;
if (executed)
{
agent.ActionsExecuted++;
}
SetActionsText(agent.Type, agent.GetActionCount());
}
/// <summary>
/// Prints current Gene values and resets the environment with new genes selected
/// </summary>
public void Reset()
{
AddLine(AgentType.Pacman, string.Format("\nGeneration: {3}/{0} Actions: {2} Fitness: {1}", _pacmanGeneIndex, GetFitnessValue(Pacman), Pacman.GetActionCount(), Pacman.Evolutions), true);
AddLine(AgentType.Ghost, string.Format("\nGeneration: {3}/{0} Actions: {2} Fitness: {1}", _ghostGeneIndex, GetFitnessValue(Ghost), Ghost.GetActionCount(), Ghost.Evolutions), true);
Maze.MoveAgent(Pacman, Pacman.Reset());
Maze.MoveAgent(Ghost, Ghost.Reset());
Maze.ReplaceFruits(_settings.RandomFruitPositions);
SetNextGenes();
_fruitsCollected = 0;
SetFruitsCollected(0);
SetActionsText(AgentType.Ghost, 0);
SetActionsText(AgentType.Pacman, 0);
_isPlaying = true;
}