aritzh.waywia.universe.Universe.java Source code

Introduction

Here is the source code for aritzh.waywia.universe.Universe.java

Source

/*
 * Copyright (c) 2013 Aritzh (Aritz Lopez)
 *
 * This game 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 game 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
 * game. If not, see http://www.gnu.org/licenses/.
 */

package aritzh.waywia.universe;

import aritzh.waywia.core.Game;
import aritzh.waywia.core.states.InGameState;
import aritzh.waywia.entity.player.Player;
import com.google.common.base.CaseFormat;
import io.github.aritzhack.util.bds.BDSCompound;
import io.github.aritzhack.util.bds.BDSStorable;
import io.github.aritzhack.util.bds.BDSString;
import org.newdawn.slick.Graphics;

import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * @author Aritz Lopez
 */
public class Universe implements BDSStorable {

    public static final FileFilter onlyFolders = File::isDirectory;
    private final File root;
    private final Set<World> worlds;
    private final String name;
    private final BDSCompound customData;
    private final World currentWorld;
    private final InGameState state;

    private Universe(String name, File root, Set<World> worlds, World currentWorld, BDSCompound customData,
            InGameState state) {
        this.name = name;
        this.root = root;
        this.worlds = worlds;
        this.customData = customData;
        this.currentWorld = currentWorld;
        this.state = state;
        if (!this.worlds.contains(this.currentWorld))
            this.worlds.add(this.currentWorld);
    }

    public static Universe newUniverse(String name, File saveFolder, String defaultWorldName, InGameState state)
            throws IOException {
        String folderName = CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, name);
        File root = new File(saveFolder, folderName);
        if (!root.exists() && !root.mkdirs())
            throw new IOException("Could not create folder for new universe at: " + root.getAbsolutePath());

        Set<World> worlds = new HashSet<>();
        String worldName = CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, defaultWorldName);
        World defaultWorld = World.newWorld(worldName, root);

        BDSCompound comp = new BDSCompound("CustomData");

        Universe u = new Universe(name, root, worlds, defaultWorld, comp, state);
        u.toBDS().writeToFile(new File(root, "universe.dat"));
        return u;
    }

    @Override
    public BDSCompound toBDS() {
        BDSCompound ret = new BDSCompound("Universe");
        ret.add(new BDSString(this.name, "Name"));
        if (this.currentWorld != null)
            ret.add(new BDSString(this.currentWorld.getName(), "CurrWorld"));
        if (customData != null)
            ret.add(this.customData);
        return ret;
    }

    public static List<Universe> getUniverseList(File savesFolder, InGameState state) {
        List<Universe> ret = new ArrayList<>();

        for (File folder : savesFolder.listFiles(onlyFolders)) {
            Universe u = Universe.loadUniverse(folder, state);
            if (u == null) {
                Game.logger.w("Folder {} is not a valid universe folder", folder.getAbsolutePath());
                continue;
            }
            ret.add(u);
        }
        return ret;
    }

    public static Universe loadUniverse(File root, InGameState state) {
        BDSCompound uniComp = Universe.getCompoundFromFolder(root);
        if (uniComp == null)
            return null;
        try {
            String name = uniComp.getString("Name", 0).getData();
            BDSCompound data = uniComp.getComp("CustomData", 0);
            Set<World> worlds = World.listWorldsInFolder(root);
            if (worlds.isEmpty())
                return null;
            String currWorldName = uniComp.getString("CurrWorldName", 0).getData();
            World currW = null;
            for (World w : worlds) {
                if (w.getName().equals(currWorldName))
                    currW = w;
            }
            if (currW == null)
                currW = worlds.iterator().next();
            Universe u = new Universe(name, root, worlds, currW, data, state);
            try {
                u.save();
            } catch (IOException e) {
                Game.logger.e("Error saving universe", e);
            }
            return u;
        } catch (NullPointerException ignored) {
        }
        return null;
    }

    private static BDSCompound getCompoundFromFolder(File folder) {
        File f;
        if (folder.exists() && (f = new File(folder, "universe.dat")).exists()) {
            try {
                return new BDSCompound(f);
            } catch (IOException ignored) {
            }
        }
        return null;
    }

    public void save() throws IOException {
        this.toBDS().writeToFile(new File(root, "universe.dat"));
        for (World w : this.worlds) {
            w.save();
        }
    }

    public void render(Graphics g) {
        if (this.currentWorld != null)
            this.currentWorld.render(g);
    }

    public void update(int delta) {
        if (this.currentWorld != null)
            this.currentWorld.update(delta);
    }

    public void clicked(int x, int y) {
        if (this.currentWorld != null)
            currentWorld.clicked(x, y);
    }

    public void setPlayer(Player player) {
        for (World w : this.worlds) {
            w.setPlayer(player);
        }
    }
}