lineage2.gameserver.skills.SkillsEngine.java Source code

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Here is the source code for lineage2.gameserver.skills.SkillsEngine.java

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/*
 * 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 lineage2.gameserver.skills;

import java.io.File;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import lineage2.gameserver.Config;
import lineage2.gameserver.model.Skill;
import lineage2.gameserver.tables.SkillTable;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.filefilter.FileFilterUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Mobius
 * @version $Revision: 1.0 $
 */
public class SkillsEngine {
    /**
     * Field _log.
     */
    private static final Logger _log = LoggerFactory.getLogger(SkillsEngine.class);
    /**
     * Field _instance.
     */
    private static final SkillsEngine _instance = new SkillsEngine();

    /**
     * Method getInstance.
     * @return SkillsEngine
     */
    public static SkillsEngine getInstance() {
        return _instance;
    }

    /**
     * Constructor for SkillsEngine.
     */
    private SkillsEngine() {
    }

    /**
     * Method loadSkills.
     * @param file File
     * @return List<Skill>
     */
    public List<Skill> loadSkills(File file) {
        if (file == null) {
            _log.warn("SkillsEngine: File not found!");
            return null;
        }
        DocumentSkill doc = new DocumentSkill(file);
        doc.parse();
        return doc.getSkills();
    }

    /**
     * Method loadAllSkills.
     * @return Map<Integer,Skill>
     */
    public Map<Integer, Skill> loadAllSkills() {
        File dir = new File(Config.DATAPACK_ROOT, "data/xml/stats/skills");
        if (!dir.exists()) {
            _log.info("Dir " + dir.getAbsolutePath() + " not exists");
            return Collections.emptyMap();
        }
        Collection<File> files = FileUtils.listFiles(dir, FileFilterUtils.suffixFileFilter(".xml"),
                FileFilterUtils.directoryFileFilter());
        Map<Integer, Skill> result = new HashMap<>();
        int maxId = 0, maxLvl = 0;
        for (File file : files) {
            List<Skill> s = loadSkills(file);
            if (s == null) {
                continue;
            }
            for (Skill skill : s) {
                result.put(SkillTable.getSkillHashCode(skill), skill);
                if (skill.getId() > maxId) {
                    maxId = skill.getId();
                }
                if (skill.getLevel() > maxLvl) {
                    maxLvl = skill.getLevel();
                }
            }
        }
        _log.info("SkillsEngine: Loaded " + result.size() + " skill templates from XML files. Max id: " + maxId
                + ", max level: " + maxLvl);
        return result;
    }
}