public float heuristicA(Pentago_GameBoard gb)
{
float value;
bool? player;
float result = gb.get_player_turn() == IA_PIECES ? float.NegativeInfinity : float.PositiveInfinity;
if (gb.get_turn_state() == Pentago_GameBoard.turn_state_addpiece)
{
gb.switch_turn_state();
}
Pentago_Move[] nplays = possible_plays(gb);
Pentago_GameBoard ngb;
foreach (Pentago_Move move in nplays)
{
ngb = after_rotate(gb, move);
player = boardValue(ngb, out value);
#if DEBUG_HEURISTIC_A
ngb.print_board();
Console.WriteLine(value + " " + player);
#endif
if (player != null)
{
return((player == IA_PIECES) ? 100 : -100);
}
if ((gb.get_player_turn() == IA_PIECES && value > result) ||
(gb.get_player_turn() != IA_PIECES && value < result))
{
result = value;
}
}
return(result);
}
public void apply_move2board(Pentago_GameBoard gb)
{
gb.board = this.move(gb.board, gb.get_player_turn(), gb.get_turn_state());
if (gb.get_turn_state() == Pentago_GameBoard.turn_state_rotate)
{
gb.switch_player_turn();
}
gb.switch_turn_state();
}
public float heuristicAstar(Pentago_GameBoard gb)
{
float value;
bool? player;
bool player_turn = gb.get_player_turn();
bool? player_win = null;
bool turn_state = gb.get_turn_state();
if (turn_state == Pentago_GameBoard.turn_state_rotate)
{
player_turn = !player_turn;
if (!study_rotations_on_rotate)
{
player = boardValueStar(gb, out value);
#if DEBUG_HEURISTIC_A_STAR
gb.print_board();
Console.WriteLine(printPlayerTurn(gb.get_player_turn()));
Console.WriteLine(printTurnState(gb.get_turn_state()));
Console.WriteLine(value + " " + player);
#endif
if (player != null)
{
return((player == IA_PIECES) ? 100 : -100);
}
return(value);
}
}
float result = player_turn == IA_PIECES ? float.NegativeInfinity : float.PositiveInfinity;
if (turn_state == Pentago_GameBoard.turn_state_addpiece)
{
gb.switch_turn_state();
}
Pentago_GameBoard[] ngbs = next_states(gb);
if (turn_state == Pentago_GameBoard.turn_state_addpiece)
{
gb.switch_turn_state();
}
foreach (Pentago_GameBoard ngb in ngbs)
{
if (turn_state == Pentago_GameBoard.turn_state_addpiece)
{
ngb.switch_player_turn();
}
player = boardValueStar(ngb, out value);
#if DEBUG_HEURISTIC_A_STAR
ngb.print_board();
Console.WriteLine(printPlayerTurn(gb.get_player_turn()) + " " + printPlayerTurn(ngb.get_player_turn()));
Console.WriteLine(printTurnState(gb.get_turn_state()) + " " + printTurnState(ngb.get_turn_state()));
Console.WriteLine(value + " " + player);
#endif
if (player == player_turn)
{
return((player == IA_PIECES) ? 100 : -100);
}
if (player != null)
{
player_win = player;
}
if ((player_turn == IA_PIECES && value > result) ||
(player_turn != IA_PIECES && value < result))
{
result = value;
}
}
if (player_win != null)
{
return((player_win == IA_PIECES) ? 100 : -100);
}
return(result);
}