//
// $Id: PuzzleObject.dobj,v 1.2 2004/06/22 14:08:58 mdb Exp $

package com.threerings.puzzle.data;

import com.threerings.parlor.game.GameObject;

/**
 * Extends the basic {@link GameObject} to add individual player
 * status. Puzzle games typically contain numerous players that may be
 * knocked out of the game while the overall game continues on, thereby
 * necessitating this second level of game status.
 */
public class PuzzleObject extends GameObject
    implements PuzzleCodes
{
    /** The player status constant for a player whose game is in play. */
    public static final int PLAYER_IN_PLAY = 0;

    /** The player status constant for a player whose has been knocked out
     * of the game. */
    public static final int PLAYER_KNOCKED_OUT = 1;

    /** Provides general puzzle game invocation services. */
    public PuzzleGameMarshaller puzzleGameService;

    /** The puzzle difficulty level. */
    public int difficulty;

    /**  The status of each of the players in the game. The status value
     * is one of {@link #PLAYER_KNOCKED_OUT} or {@link
     * #PLAYER_IN_PLAY}. */
    public int[] playerStatus;

    /** Summaries of the boards of all players in this puzzle (may be null
     * if the puzzle doesn't support individual player boards). */
    public BoardSummary[] summaries;

    /** The seed used to germinate the boards. */
    public long seed;

    // documentation inherited
    public boolean shouldBroadcast ()
    {
        // we do not broadcast to puzzles because the users will get it
        // on their scene objects
        return false;
    }

    /**
     * Returns the number of active players in the game.
     */
    public int getActivePlayerCount ()
    {
        int count = 0;
        int size = players.length;
        for (int ii = 0; ii < size; ii++) {
            if (isActivePlayer(ii)) {
                count++;
            }
        }
        return count;
    }

    /**
     * Returns whether the given player is still an active player, e.g.,
     * their game has not ended.
     */
    public boolean isActivePlayer (int pidx)
    {
        return (isOccupiedPlayer(pidx) &&
                playerStatus != null && playerStatus[pidx] == PLAYER_IN_PLAY);
    }
}