me.timothy.ddd.quests.QuestManager.java Source code

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Here is the source code for me.timothy.ddd.quests.QuestManager.java

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/* DrunkDuckDispatch Copyright (C) 2014  Timothy Moore
 *
 *    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 me.timothy.ddd.quests;

import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.util.ArrayList;
import java.util.List;

import me.timothy.ddd.DrunkDuckDispatch;
import me.timothy.ddd.acheivements.AchievementManager;
import me.timothy.ddd.entities.Entity;
import me.timothy.ddd.entities.EntityManager;
import me.timothy.ddd.entities.Player;
import me.timothy.ddd.map.GameMap;

import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;

public class QuestManager {
    private Logger logger;
    private EntityManager entityManager;
    private AchievementManager achievementManager;
    private GameMap gameMap;
    private Player player;
    private List<Quest> acceptedQuests;
    private List<Class<? extends Quest>> completedQuests;

    @SuppressWarnings("unchecked")
    public QuestManager(Player player, AchievementManager aManager, EntityManager entManager) {
        logger = LogManager.getLogger();
        entityManager = entManager;
        achievementManager = aManager;
        acceptedQuests = new ArrayList<>();
        completedQuests = new ArrayList<>();
        this.player = player;

        File questsFile = new File("quests.json");
        if (questsFile.exists()) {
            try (FileReader fr = new FileReader(new File("quests.json"))) {
                JSONObject jObj = (JSONObject) (new JSONParser().parse(fr));

                JSONArray questsArr = (JSONArray) jObj.get("current");
                for (int i = 0; i < questsArr.size(); i++) {
                    JSONObject questObj = (JSONObject) questsArr.get(i);
                    String classStr = (String) questObj.get("class");
                    Class<?> cl = Class.forName(classStr);
                    Quest quest = null;
                    try {
                        quest = (Quest) cl.getMethod("fromObject", getClass(), JSONObject.class).invoke(null, this,
                                questObj);
                    } catch (NoSuchMethodException nsme) {
                        quest = (Quest) cl.getConstructor(QuestManager.class).newInstance(this);
                    }
                    acceptedQuests.add(quest);
                }

                JSONArray complete = (JSONArray) jObj.get("complete");
                for (int i = 0; i < complete.size(); i++) {
                    //               completedQuests.add((Class<? extends Quest>) Class.forName((String) complete.get(i)));
                }
            } catch (Exception e) {
                logger.catching(e);
            }
        }

        Runnable saveQuests = new Runnable() {

            @Override
            public void run() {
                if (!DrunkDuckDispatch.ddd.save)
                    return;
                JSONObject jObj = new JSONObject();
                JSONArray questsArr = new JSONArray();
                for (Quest qu : acceptedQuests) {
                    questsArr.add(qu.asObject());
                }
                jObj.put("current", questsArr);
                JSONArray completed = new JSONArray();
                for (Class<? extends Quest> cl : completedQuests) {
                    completed.add(cl.getCanonicalName());
                }
                jObj.put("complete", completed);
                try (FileWriter fw = new FileWriter(new File("quests.json"))) {
                    jObj.writeJSONString(fw);
                } catch (IOException ie) {

                }
            }

        };

        Runtime.getRuntime().addShutdownHook(new Thread(saveQuests));
    }

    public void convoEnded(Entity entity, String questName, int[] choiceTree) {
        try {
            for (Quest quest : acceptedQuests) {
                if (quest.getClass().getName().equals(questName)) {
                    quest.onContinued(entity, choiceTree);
                    return;
                }
            }
            Class<?> hopefullyTheQuestsClass = Class.forName(questName);
            Constructor<?> constr = hopefullyTheQuestsClass.getConstructor(QuestManager.class);
            Quest quest = (Quest) constr.newInstance(this);
            acceptedQuests.add(quest);
            quest.onApplied(entity, choiceTree);
        } catch (Exception e) {
            logger.printf(Level.WARN, "convo ended with an invalid quest %s", questName);
            logger.catching(e);
        }
    }

    void addQuest(Quest quest) {
        acceptedQuests.add(quest);
    }

    EntityManager getEntityManager() {
        return entityManager;
    }

    GameMap getGameMap() {
        return gameMap;
    }

    Player getPlayer() {
        return player;
    }

    public void onDeath(Entity e) {
        for (Quest quest : acceptedQuests) {
            quest.onDeath(e);
        }
    }

    public void finishedQuest(Quest quest) {
        if (quest == null) {
            logger.error("Failed to remove null quest");
            return;
        }
        if (!acceptedQuests.remove(quest)) {
            logger.error("Failed to remove quest " + quest.getClass().getCanonicalName());
        }
        for (Quest qu : acceptedQuests) {
            qu.onFinished(quest);
        }
        if (quest.questFailed()) {
            achievementManager.onQuestFailed(quest);
        } else {
            achievementManager.onQuestComplete(quest);
        }
        completedQuests.add(quest.getClass());
    }

    public boolean isFinished(Class<? extends Quest> cl) {
        return completedQuests.contains(cl);
    }

    public void onItemCollected(String itemName) {
        logger.info("Item collected: " + itemName);
        for (Quest qu : acceptedQuests) {
            qu.onItemCollected(itemName);
        }
    }

    public void onItemLost(String item) {
        logger.info("Item lost: " + item);
        for (int i = 0; i < acceptedQuests.size(); i++) {
            acceptedQuests.get(i).onItemLost(item);
        }
    }

    public Quest getQuest(Class<? extends Quest> cl) {
        for (Quest qu : acceptedQuests) {
            if (qu.getClass().equals(cl))
                return qu;
        }
        return null;
    }
}