src/org/alterverse/world/Area.java

   1 /***************************************************************************
   2  *   Copyright (C) 2010 by the Alterverse team                             *
   3     *   email: rynkruger@gmail.com                                         *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 3 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write see:                           *
  17  *               <http://www.gnu.org/licenses/>.                           *
  18  ***************************************************************************/
  19
  20 package org.alterverse.world;
  21
  22 import java.io.*;
  23 import java.util.ArrayList;
  24 import java.util.Vector;
  25 import javax.script.*;
  26
  27 public class Area  implements Serializable {
  28 ArrayList<GameObject> objects;
  29 GameObject player = null;
  30 Vector<GameObject> dellist;
  31 boolean gravity;
  32
  33 public Area() {
  34 objects = new ArrayList<GameObject>();
  35 dellist=new Vector<GameObject>();
  36 gravity = false;
  37 }
  38
  39 public void process() {
  40 for (int i = 0; i < objects.size();i++) {
  41 // gravity stuff
  42 if (gravity&& objects.get(i) instanceof MovableObject && !((MovableObject)objects.get(i)).hasLanded()) {
  43 ((MovableObject)objects.get(i)).fall();
  44 }
  45 // other stuff
  46 objects.get(i).process();
  47 }
  48 for (GameObject obj : dellist) {
  49 objects.remove(obj);
  50 }
  51 dellist.clear();
  52 }
  53
  54 public void add(GameObject obj) {
  55 objects.add(obj);
  56 }
  57
  58 public void addAsPlayer(GameObject obj) {
  59 add(obj);
  60 setPlayer(obj);
  61 }
  62
  63 public void remove(GameObject obj) {
  64 dellist.add(obj);
  65 }
  66
  67 public void save(String file) {
  68 try {
  69 ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(file));
  70 oos.writeObject(objects);
  71 oos.close();
  72 } catch(Exception x) {
  73 x.printStackTrace();
  74 }
  75 }
  76
  77 public void load(String file) {
  78 try {
  79 ObjectInputStream ois = new ObjectInputStream(new FileInputStream(file));
  80 objects = (ArrayList<GameObject>) ois.readObject();
  81 ois.close();
  82 } catch(Exception x) {
  83 x.printStackTrace();
  84 }
  85 }
  86
  87 public void setGravity(boolean gravity) {
  88 this.gravity = gravity;
  89 }
  90
  91 public boolean getGravity() {
  92 return gravity;
  93 }
  94
  95 public ArrayList<GameObject> getTouchingObjects(GameObject obj) {
  96 ArrayList<GameObject> ret = new ArrayList<GameObject>();
  97 for (GameObject i: objects) {
  98 if (i==obj)
  99 continue;
 100 if (i.isTouching(obj))
 101 ret.add(i);
 102 }
 103 return ret;
 104 }
 105
 106 public void setPlayer(GameObject obj) {
 107 player=obj;
 108 }
 109
 110 public GameObject getPlayer() {
 111 return player;
 112 }
 113
 114 public boolean loadJs(String file, boolean fixedOnly) {
 115 try {
 116 ScriptEngineManager sm = new ScriptEngineManager();
 117 ScriptEngine e = sm.getEngineByName("javascript");
 118 if (fixedOnly) {
 119 for (int i = 0; i < objects.size(); i++)
 120 if (! (objects.get(i) instanceof MovableObject)) {
 121 objects.remove(objects.get(i));
 122 i--;
 123 }
 124 } else
 125 objects.clear();
 126 e.put("area",this);
 127 e.eval(new FileReader(file));
 128 return true;
 129 } catch(Exception x) {
 130 x.printStackTrace();
 131 return false;
 132 }
 133 }
 134
 135 public void saveJs(String file,boolean fixedOnly) {
 136 try {
 137 FileWriter fw = new FileWriter(file);
 138 if (getGravity())
 139 fw.write("area.setGravity(true);\n");
 140 else
 141 fw.write("area.setGravity(false);\n");
 142 for (GameObject obj: objects) {
 143 if (fixedOnly&&obj instanceof MovableObject)
 144 continue;
 145 String var = "v"+System.currentTimeMillis();
 146 fw.write(obj.toJs(var)+"\n");
 147 fw.write("area.add("+var+");\n");
 148 }
 149 fw.close();
 150 } catch(Exception x) {
 151 x.printStackTrace();
 152 }
 153 }
 154 }