public (NPuzzle, double) ApplyAction(NPuzzle state, IProblemAction action)
{
var successor = state.Copy();
successor.Move(action);
return(successor, 1d);
}
// TODO: return the cost of the action with the new state
public void Move(IProblemAction action)
{
Location newBlankLocation = (Location)action;
int newBlankOffset = newBlankLocation.Row * valueBits * this.NCols + newBlankLocation.Col * valueBits;
int oldBlankOffset = this.blankRow * valueBits * this.NCols + this.blankCol * valueBits;
ulong val = (this.board >> newBlankOffset) & 0xFUL;
this.board &= ~(0xFUL << newBlankOffset);
this.board |= val << oldBlankOffset;
this.blankRow = newBlankLocation.Row;
this.blankCol = newBlankLocation.Col;
}
public (FindingDirectionsState, double) ApplyAction(FindingDirectionsState state, IProblemAction action)
{
var nextState = (FindingDirectionsState)action;
var distance = map.GetEdgeWeight(state, nextState);
return(nextState, distance);
}
public T PerformAction <T>(IProblemAction <T> action)
{
return(action.Execute(this));
}