/** Apply the operator to the given state, returning a new state.
*
* @param state The source state.
*
* @returns The newly created destination state.
*/
public IDBSpaceState Apply(DBSearchModule module, IDBSpaceState stateDB)
{
GBSearchModule gmod = (GBSearchModule)module;
GBSpaceState state = (GBSpaceState)stateDB;
// TODO: remove later, we already checked this previously
if (Valid(state) == false)
{
throw (new ArgumentException("Operator not applicable!"));
}
GoBangBoard newBoard = (GoBangBoard)state.GB.Clone();
// Apply all the f_{add} stones
for (int n = 0; n < fAdd.GetLength(0); ++n)
{
newBoard.board[fAdd[n, 1], fAdd[n, 0]] = fAdd[n, 2];
}
GBSpaceState newState = new GBSpaceState(newBoard, this, state,
gmod.maximumCategory);
newState.UpdateIsGoal(gmod);
return(newState);
}
public DBSearch(DBSearchModule module, bool breadthFirst)
{
this.module = module;
this.breadthFirst = breadthFirst;
}
/** Apply the operator to the given state, returning a new state.
*
* @param state The source state.
*
* @returns The newly created destination state.
*/
public IDBSpaceState Apply(DBSearchModule module, IDBSpaceState stateDB)
{
GBSearchModule gmod = (GBSearchModule) module;
GBSpaceState state = (GBSpaceState) stateDB;
// TODO: remove later, we already checked this previously
if (Valid (state) == false)
throw (new ArgumentException ("Operator not applicable!"));
GoBangBoard newBoard = (GoBangBoard) state.GB.Clone ();
// Apply all the f_{add} stones
for (int n = 0 ; n < fAdd.GetLength (0) ; ++n)
newBoard.board[fAdd[n,1], fAdd[n,0]] = fAdd[n,2];
GBSpaceState newState = new GBSpaceState (newBoard, this, state,
gmod.maximumCategory);
newState.UpdateIsGoal (gmod);
return (newState);
}
public bool UpdateIsGoal(DBSearchModule dbS)
{
GBSearchModule gbS = (GBSearchModule)dbS;
int white, hole;
// 1. Five
foreach (GoBangBoard.StoneSet ss in GB.G5)
{
GBOperator.CountStones(ss, out white, out hole);
if (white == 5 && hole == 0)
{
/*Console.WriteLine (GB);
* Console.WriteLine ("=> goal because of five");*/
isGoal = true;
return(true);
}
}
// 2. Straight four
// FIXME/TODO: check if this is right, i mean the check here
if (gbS.maximumCategory >= 1)
{
foreach (GoBangBoard.StoneSet ss in GB.G6)
{
if (ss.stones[0] != 0 || ss.stones[5] != 0)
{
continue;
}
GBOperator.CountStones(ss, out white, out hole);
if (white == 4 && hole == 2)
{
/*Console.WriteLine (GB);
* Console.WriteLine ("goal because of four");*/
isGoal = true;
return(true);
}
}
}
// Check if there are extra fixed goal squares.
if (gbS.goalIfOccupied == null)
{
isGoal = false;
return(false);
}
// There extra squares, check if they are occupied by the defender
// (-1, but in the flipped field its 1) in this state.
for (int n = 0; n < gbS.goalIfOccupied.GetLength(0); ++n)
{
if (gb.board[gbS.goalIfOccupied[n, 1], gbS.goalIfOccupied[n, 0]] == 1)
{
/*Console.WriteLine (GB);
* Console.WriteLine ("goal because occupation of ({0},{1})",
* gbS.goalIfOccupied[n,0], gbS.goalIfOccupied[n,1]);*/
isGoal = true;
return(true);
}
}
// Neither a necessary field has been occupied, nor a five/four been
isGoal = false;
return(false);
}
public bool UpdateIsGoal(DBSearchModule dbS)
{
GBSearchModule gbS = (GBSearchModule) dbS;
int white, hole;
// 1. Five
foreach (GoBangBoard.StoneSet ss in GB.G5) {
GBOperator.CountStones (ss, out white, out hole);
if (white == 5 && hole == 0) {
/*Console.WriteLine (GB);
Console.WriteLine ("=> goal because of five");*/
isGoal = true;
return (true);
}
}
// 2. Straight four
// FIXME/TODO: check if this is right, i mean the check here
if (gbS.maximumCategory >= 1) {
foreach (GoBangBoard.StoneSet ss in GB.G6) {
if (ss.stones[0] != 0 || ss.stones[5] != 0)
continue;
GBOperator.CountStones (ss, out white, out hole);
if (white == 4 && hole == 2) {
/*Console.WriteLine (GB);
Console.WriteLine ("goal because of four");*/
isGoal = true;
return (true);
}
}
}
// Check if there are extra fixed goal squares.
if (gbS.goalIfOccupied == null) {
isGoal = false;
return (false);
}
// There extra squares, check if they are occupied by the defender
// (-1, but in the flipped field its 1) in this state.
for (int n = 0 ; n < gbS.goalIfOccupied.GetLength (0) ; ++n) {
if (gb.board[gbS.goalIfOccupied[n,1], gbS.goalIfOccupied[n,0]] == 1) {
/*Console.WriteLine (GB);
Console.WriteLine ("goal because occupation of ({0},{1})",
gbS.goalIfOccupied[n,0], gbS.goalIfOccupied[n,1]);*/
isGoal = true;
return (true);
}
}
// Neither a necessary field has been occupied, nor a five/four been
isGoal = false;
return (false);
}