private void Turn(string action, ref ViewModel.Position positionActual)
{
string actualFacing = positionActual.facing;
if (action == "TL")
{
switch (actualFacing)
{
case "N":
positionActual.facing = "W";
break;
case "W":
positionActual.facing = "S";
break;
case "S":
positionActual.facing = "E";
break;
case "E":
positionActual.facing = "N";
break;
}
}
else if (action == "TR")
{
switch (actualFacing)
{
case "N":
positionActual.facing = "E";
break;
case "E":
positionActual.facing = "S";
break;
case "S":
positionActual.facing = "W";
break;
case "W":
positionActual.facing = "N";
break;
}
}
}
private void DoAction(ViewModel.Map input, ref ViewModel.Position position, ref int batteryConsumption, ref ViewModel.Output output)
{
string cellValue = input.map[position.X][position.Y].ToString();
if (cellValue == "S")
{
output.visited.Add(position);
}
else if (cellValue == "C")
{
output.visited.Add(position);
output.cleaned.Add(position);
batteryConsumption = batteryConsumption + 5;
}
else if (cellValue == "NULL")
{
DoAction(input, ref position, ref batteryConsumption, ref output);
}
}
public ViewModel.Output Execute(ViewModel.Map input)
{
ViewModel.Position positionActual = new ViewModel.Position();
ViewModel.Position positionFuture = new ViewModel.Position();
ViewModel.Output output = new ViewModel.Output();
output.visited.Add(input.start);
int batteryInitial = input.battery;
int batteryConsumption = 0;
positionActual = input.start;
int Max = input.map[0].Count;
foreach (string command in input.commands)
{
OperateCommand(command, ref batteryInitial, ref batteryConsumption, input.map.Count, input.map[0].Count, ref positionActual, ref positionFuture, ref input, ref output);
}
return(output);
}
private void NewPosition(ViewModel.Position positionActual, ref ViewModel.Position positionFuture, bool advance, int xMax, int yMAx)
{
switch (positionActual.facing)
{
case "N":
if (advance)
{
if (positionFuture.X > 0)
{
positionFuture.X = positionFuture.X - 1;
}
}
else
{
if (positionFuture.X < xMax)
{
positionFuture.X = positionFuture.X + 1;
}
}
break;
case "S":
if (advance)
{
if (positionFuture.X < xMax)
{
positionFuture.X = positionFuture.X + 1;
}
}
else
{
if (positionFuture.X > 0)
{
positionFuture.X = positionFuture.X - 1;
}
}
break;
case "E":
if (advance)
{
if (positionFuture.Y > 0)
{
positionFuture.Y = positionFuture.Y - 1;
}
}
else
{
if (positionFuture.Y < xMax)
{
positionFuture.Y = positionFuture.Y + 1;
}
}
break;
case "W":
if (advance)
{
if (positionFuture.Y < xMax)
{
positionFuture.Y = positionFuture.Y + 1;
}
}
else
{
if (positionFuture.Y > 0)
{
positionFuture.Y = positionFuture.Y - 1;
}
}
break;
}
}
private void OperateCommand(string command, ref int batteryInitial, ref int batteryConsumption, int xMax, int yMax, ref ViewModel.Position positionActual, ref ViewModel.Position positionFuture, ref ViewModel.Map input, ref ViewModel.Output output)
{
if (batteryInitial > batteryConsumption)
{
switch (command)
{
case "A":
NewPosition(positionActual, ref positionFuture, true, xMax, yMax);
batteryConsumption = batteryConsumption + 2;
DoAction(input, ref positionActual, ref batteryConsumption, ref output);
break;
case "B":
NewPosition(positionActual, ref positionFuture, false, xMax, yMax);
batteryConsumption = batteryConsumption + 3;
DoAction(input, ref positionActual, ref batteryConsumption, ref output);
break;
case "TL":
Turn(command, ref positionActual);
batteryConsumption = batteryConsumption + 1;
break;
case "TR":
Turn(command, ref positionActual);
batteryConsumption = batteryConsumption + 1;
break;
}
}
}
public Position(ViewModel.Position position)
{
Lat = position.lat;
Lon = position.lng;
Time = position.date;
}
