foul-magics/Mage/src/mage/watchers/common/CastSpellLastTurnWatcher.java

/*
*  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
*
*  Redistribution and use in source and binary forms, with or without modification, are
*  permitted provided that the following conditions are met:
*
*     1. Redistributions of source code must retain the above copyright notice, this list of
*        conditions and the following disclaimer.
*
*     2. Redistributions in binary form must reproduce the above copyright notice, this list
*        of conditions and the following disclaimer in the documentation and/or other materials
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package mage.watchers.common;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.UUID;
import mage.MageObjectReference;
import mage.constants.WatcherScope;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.watchers.Watcher;

/**
*
* @author nantuko, BetaSteward_at_googlemail.com
*/
public class CastSpellLastTurnWatcher extends Watcher {

    private final Map<UUID, Integer> amountOfSpellsCastOnPrevTurn = new HashMap<>();
    private final Map<UUID, Integer> amountOfSpellsCastOnCurrentTurn = new HashMap<>();
    private final List<MageObjectReference> spellsCastThisTurnInOrder = new ArrayList<>();

    public CastSpellLastTurnWatcher() {
       super("CastSpellLastTurnWatcher", WatcherScope.GAME);
    }

    public CastSpellLastTurnWatcher(final CastSpellLastTurnWatcher watcher) {
       super(watcher);
       for (Entry<UUID, Integer> entry: watcher.amountOfSpellsCastOnCurrentTurn.entrySet()) {
           amountOfSpellsCastOnCurrentTurn.put(entry.getKey(), entry.getValue());
       }
       for (Entry<UUID, Integer> entry: watcher.amountOfSpellsCastOnPrevTurn.entrySet()) {
           amountOfSpellsCastOnPrevTurn.put(entry.getKey(), entry.getValue());
       }
    }

    @Override
    public void watch(GameEvent event, Game game) {
       if (event.getType() == GameEvent.EventType.SPELL_CAST) {
           spellsCastThisTurnInOrder.add(new MageObjectReference(event.getTargetId(), game));
           UUID playerId = event.getPlayerId();
           if (playerId != null) {
               Integer amount = amountOfSpellsCastOnCurrentTurn.get(playerId);
               if (amount == null) {
                   amount = 1;
               } else {
                   amount = amount+1;
               }
               amountOfSpellsCastOnCurrentTurn.put(playerId, amount);
           }
       }
    }

    @Override
    public void reset() {
       amountOfSpellsCastOnPrevTurn.clear();
       amountOfSpellsCastOnPrevTurn.putAll(amountOfSpellsCastOnCurrentTurn);
       amountOfSpellsCastOnCurrentTurn.clear();
       spellsCastThisTurnInOrder.clear();
    }

    public Map<UUID, Integer> getAmountOfSpellsCastOnPrevTurn() {
       return amountOfSpellsCastOnPrevTurn;
    }

    public Map<UUID, Integer> getAmountOfSpellsCastOnCurrentTurn() {
       return amountOfSpellsCastOnCurrentTurn;
    }
    
    public int getAmountOfSpellsAllPlayersCastOnCurrentTurn() {
        int totalAmount = 0;
        for(Integer amount: amountOfSpellsCastOnCurrentTurn.values()) {
            totalAmount += amount;
        }
        return totalAmount;
    }

    public int getAmountOfSpellsPlayerCastOnCurrentTurn(UUID playerId) {
       Integer value = amountOfSpellsCastOnCurrentTurn.get(playerId);
       if (value != null) {
           return value;
       } else {
           return 0;
       }
    }

    public int getSpellOrder(MageObjectReference spell, Game game) {
       int index = 0;
       for (MageObjectReference mor : spellsCastThisTurnInOrder) {
           index++;
           if (mor.equals(spell)) {
               return index;
           }
       }
       return 0;
    }

    @Override
    public CastSpellLastTurnWatcher copy() {
       return new CastSpellLastTurnWatcher(this);
    }

}