core/src/ru/deadsoftware/cavedroid/game/GameSaver.java

   1 package ru.deadsoftware.cavedroid.game;
   2
   3 import com.badlogic.gdx.files.FileHandle;
   4
   5 import java.io.BufferedOutputStream;
   6 import java.io.DataInputStream;
   7 import java.io.IOException;
   8 import java.nio.ByteBuffer;
   9
  10 //TODO rewrite saver
  11 public class GameSaver {
  12
  13     private static final int VERSION = 0;
  14
  15
  16     private static byte[] intToBytes(int i) {
  17         return ByteBuffer.allocate(4).putInt(i).array();
  18     }
  19
  20     private static void saveMap(FileHandle file, int[][] map) throws IOException {
  21         int rl, bl;
  22         int width = map.length;
  23         int height = map[0].length;
  24         BufferedOutputStream out = new BufferedOutputStream(file.write(false));
  25         out.write(intToBytes(VERSION));
  26         out.write(intToBytes(width));
  27         out.write(intToBytes(height));
  28         for (int y = 0; y < height; y++) {
  29             bl = map[0][y];
  30             rl = 0;
  31             for (int[] ints : map) {
  32                 if (ints[y] != bl) {
  33                     out.write(intToBytes(rl));
  34                     out.write(intToBytes(bl));
  35                     rl = 0;
  36                     bl = ints[y];
  37                 }
  38                 rl++;
  39             }
  40             out.write(intToBytes(rl));
  41             out.write(intToBytes(bl));
  42         }
  43         out.flush();
  44         out.close();
  45     }
  46
  47
  48     private static int[][] loadMap(FileHandle file) throws Exception {
  49         int[][] map;
  50         int ver, width, height;
  51         int rl, bl;
  52         DataInputStream in = new DataInputStream(file.read());
  53         ver = in.readInt();
  54         if (VERSION == ver) {
  55             width = in.readInt();
  56             height = in.readInt();
  57             map = new int[width][height];
  58             for (int y = 0; y < height; y++) {
  59                 for (int x = 0; x < width; x += rl) {
  60                     rl = in.readInt();
  61                     bl = in.readInt();
  62                     for (int i = x; i < x + rl; i++) {
  63                         map[i][y] = bl;
  64                     }
  65                 }
  66             }
  67             in.close();
  68         } else {
  69             throw new Exception("version mismatch");
  70         }
  71         return map;
  72     }
  73
  74     public static GameProc load() {
  75 //        FileHandle file = Gdx.files.absolute(CaveGame.GAME_FOLDER + "/saves/game.sav");
  76 //        GameProc gameProc = null;
  77 //        try {
  78 //            ObjectInputStream in = new ObjectInputStream(file.read());
  79 //            int ver = in.readInt();
  80 //            if (VERSION == ver) {
  81 //                gameProc = (GameProc) in.readObject();
  82 //            } else {
  83 //                throw new Exception("version mismatch");
  84 //            }
  85 //            in.close();
  86 //            gameProc.world = new GameWorld(
  87 //                    loadMap(Gdx.files.absolute(CaveGame.GAME_FOLDER + "/saves/foremap.sav")),
  88 //                    loadMap(Gdx.files.absolute(CaveGame.GAME_FOLDER + "/saves/backmap.sav"))
  89 //            );
  90 //            gameProc.physics = new GamePhysics();
  91 //            gameProc.input = new GameInput();
  92 //        } catch (Exception e) {
  93 //            Gdx.app.error("GameSaver", e.getMessage(), e);
  94 //            Gdx.app.exit();
  95 //        }
  96 //        return gameProc;
  97         return null;
  98     }
  99
 100     public static void save(GameProc gp) {
 101 //        FileHandle file = Gdx.files.absolute(CaveGame.GAME_FOLDER + "/saves/");
 102 //        file.mkdirs();
 103 //        file = Gdx.files.absolute(CaveGame.GAME_FOLDER + "/saves/game.sav");
 104 //        try {
 105 //            ObjectOutputStream out = new ObjectOutputStream(file.write(false));
 106 //            out.writeInt(VERSION);
 107 //            out.writeObject(gp);
 108 //            out.close();
 109 //            saveMap(Gdx.files.absolute(CaveGame.GAME_FOLDER + "/saves/foremap.sav"), gp.world.getFullForeMap());
 110 //            saveMap(Gdx.files.absolute(CaveGame.GAME_FOLDER + "/saves/backmap.sav"), gp.world.getFullBackMap());
 111 //        } catch (Exception e) {
 112 //            e.printStackTrace();
 113 //        }
 114     }
 115
 116     public static boolean exists() {
 117 //        return (Gdx.files.absolute(CaveGame.GAME_FOLDER + "/saves/game.sav").exists() &&
 118 //                Gdx.files.absolute(CaveGame.GAME_FOLDER + "/saves/foremap.sav").exists() &&
 119 //                Gdx.files.absolute(CaveGame.GAME_FOLDER + "/saves/backmap.sav").exists());
 120         return false;
 121     }
 122
 123 }