LambdaCalc.java

/*
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that
 * it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If
 * not, see <http://www.gnu.org/licenses/>.
 */
package silentium.gameserver.skills.basefuncs;

import silentium.gameserver.skills.Env;

/**
 * @author mkizub TODO To change the template for this generated type comment go to Window - Preferences - Java - Code Style - Code Templates
 */
public final class LambdaCalc extends Lambda
{

	public Func[] funcs;

	public LambdaCalc()
	{
		funcs = new Func[0];
	}

	@Override
	public double calc(Env env)
	{
		double saveValue = env.value;
		try
		{
			env.value = 0;
			for (Func f : funcs)
				f.calc(env);
			return env.value;
		}
		finally
		{
			env.value = saveValue;
		}
	}

	public void addFunc(Func f)
	{
		int len = funcs.length;
		Func[] tmp = new Func[len + 1];
		for (int i = 0; i < len; i++)
			tmp[i] = funcs[i];
		tmp[len] = f;
		funcs = tmp;
	}

}