1 /*

     2  * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game

     3  * Copyright (c) 2011 Richard Deurwaarder <xeli@xelification.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; version 2 of the License

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program; if not, write to the Free Software

    16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

    17  */

    18 

    19 package org.hedgewars.mobile.EngineProtocol;

    20 

    21 import java.io.BufferedReader;

    22 import java.io.File;

    23 import java.io.FileNotFoundException;

    24 import java.io.FileReader;

    25 import java.io.IOException;

    26 import java.util.ArrayList;

    27 import java.util.Arrays;

    28 

    29 import org.xmlpull.v1.XmlPullParser;

    30 import org.xmlpull.v1.XmlPullParserException;

    31 import org.xmlpull.v1.XmlPullParserFactory;

    32 

    33 import android.content.Context;

    34 import android.os.Parcel;

    35 import android.os.Parcelable;

    36 

    37 public class Weapon implements Parcelable{

    38 

    39 	public static final String DIRECTORY_WEAPON = "weapons";

    40 	

    41 	private String name;

    42 	private String QT;

    43 	private String prob;

    44 	private String delay;

    45 	private String crate;

    46 	private static int maxWeapons;

    47 	

    48 	static{

    49 		//maxWeapons = PascalExports.HWgetNumberOfWeapons();

    50 	}

    51 	

    52 	public Weapon(String _name, String _QT, String _prob, String _delay, String _crate){

    53 		name = _name;

    54 		

    55 		//Incase there's a newer ammoStore which is bigger we append with zeros

    56 		StringBuffer sb = new StringBuffer();

    57 		while(_QT.length() + sb.length() < maxWeapons){

    58 			sb.append('0');

    59 		}

    60 		

    61 		QT = String.format("e%s %s%s", "ammloadt", _QT, sb);

    62 		prob = String.format("e%s %s%s", "ammprob", _prob, sb);

    63 		delay = String.format("e%s %s%s", "ammdelay", _delay, sb);

    64 		crate = String.format("e%s %s%s", "ammreinf", _crate, sb);

    65 	}

    66 	

    67 	public Weapon(Parcel in){

    68 		readFromParcel(in);

    69 	}

    70 	

    71 	public String toString(){

    72 		return name;

    73 	}

    74 	

    75 	public void sendToEngine(EngineProtocolNetwork epn, int teamsCount) throws IOException{

    76 		epn.sendToEngine(QT);//command prefix is already in string 

    77 		epn.sendToEngine(prob);

    78 		epn.sendToEngine(delay);

    79 		epn.sendToEngine(crate);

    80 		

    81 		for(int i = 0; i < teamsCount; i++){

    82 			epn.sendToEngine("eammstore");

    83 		}

    84 	}

    85 	

    86 	public static final int STATE_START = 0;

    87 	public static final int STATE_ROOT = 1;

    88 	public static final int STATE_NAME = 2;

    89 	public static final int STATE_QT = 3;

    90 	public static final int STATE_PROBABILITY = 4;

    91 	public static final int STATE_DELAY = 5;

    92 	public static final int STATE_CRATE = 6;

    93 	

    94 	public static ArrayList<Weapon> getWeapons(Context c) throws IllegalArgumentException{

    95 		String dir = c.getFilesDir().getAbsolutePath() + '/' + DIRECTORY_WEAPON + '/';

    96 		String[] files = new File(dir).list();

    97 		if(files == null) files = new String[]{};

    98 		Arrays.sort(files);

    99 		

   100 		ArrayList<Weapon> weapons = new ArrayList<Weapon>();

   101 

   102 		try {

   103 			XmlPullParserFactory xmlPullFactory = XmlPullParserFactory.newInstance();

   104 			XmlPullParser xmlPuller = xmlPullFactory.newPullParser();

   105 			

   106 			for(String file : files){

   107 				BufferedReader br = new BufferedReader(new FileReader(dir + file), 1024);

   108 				xmlPuller.setInput(br);

   109 				String name = null;

   110 				String qt = null;

   111 				String prob = null;

   112 				String delay = null;

   113 				String crate = null;

   114 				

   115 				int eventType = xmlPuller.getEventType();

   116 				int state = STATE_START;

   117 				while(eventType != XmlPullParser.END_DOCUMENT){

   118 					switch(state){

   119 					case STATE_START:

   120 						if(eventType == XmlPullParser.START_TAG && xmlPuller.getName().equals("weapon")) state = STATE_ROOT;

   121 						else if(eventType != XmlPullParser.START_DOCUMENT) throwException(file, eventType);

   122 						break;

   123 					case STATE_ROOT:

   124 						if(eventType == XmlPullParser.START_TAG){

   125 							if(xmlPuller.getName().toLowerCase().equals("qt")) state = STATE_QT;

   126 							else if(xmlPuller.getName().toLowerCase().equals("name")) state = STATE_NAME;

   127 							else if(xmlPuller.getName().toLowerCase().equals("probability")) state = STATE_PROBABILITY;

   128 							else if(xmlPuller.getName().toLowerCase().equals("delay")) state = STATE_DELAY;

   129 							else if(xmlPuller.getName().toLowerCase().equals("crate")) state = STATE_CRATE;

   130 							else throwException(file, eventType);

   131 						}else if(eventType == XmlPullParser.END_TAG) state = STATE_START;

   132 						else throwException(xmlPuller.getText(), eventType);

   133 						break;

   134 					case STATE_NAME:

   135 						if(eventType == XmlPullParser.TEXT) name = xmlPuller.getText().trim();

   136 						else if(eventType == XmlPullParser.END_TAG) state = STATE_ROOT;

   137 						else throwException(file, eventType);

   138 						break;

   139 					case STATE_QT:

   140 						if(eventType == XmlPullParser.TEXT) qt = xmlPuller.getText().trim();

   141 						else if(eventType == XmlPullParser.END_TAG) state = STATE_ROOT;

   142 						else throwException(file, eventType);

   143 						break;

   144 					case STATE_PROBABILITY:

   145 						if(eventType == XmlPullParser.TEXT) prob = xmlPuller.getText().trim();

   146 						else if(eventType == XmlPullParser.END_TAG) state = STATE_ROOT;

   147 						else throwException(file, eventType);

   148 						break;

   149 					case STATE_DELAY:

   150 						if(eventType == XmlPullParser.TEXT) delay = xmlPuller.getText().trim();

   151 						else if(eventType == XmlPullParser.END_TAG) state = STATE_ROOT;

   152 						else throwException(file, eventType);

   153 						break;

   154 					case STATE_CRATE:

   155 						if(eventType == XmlPullParser.TEXT) crate = xmlPuller.getText().trim();

   156 						else if(eventType == XmlPullParser.END_TAG) state = STATE_ROOT;

   157 						else throwException(file, eventType);

   158 						break;

   159 					}

   160 					eventType = xmlPuller.next();

   161 					while(eventType == XmlPullParser.TEXT && xmlPuller.isWhitespace()){//Skip whitespaces

   162 						eventType = xmlPuller.next();

   163 					}

   164 				}//end while(eventtype != END_DOCUMENT

   165 				weapons.add(new Weapon(name, qt, prob, delay, crate));

   166 			}//end for(string file : files

   167 			return weapons;

   168 			

   169 		} catch (XmlPullParserException e) {

   170 			e.printStackTrace();

   171 		} catch (FileNotFoundException e) {

   172 			e.printStackTrace();

   173 		} catch (IOException e) {

   174 			e.printStackTrace();

   175 		}

   176 		return new ArrayList<Weapon>();//TODO handle correctly

   177 	}

   178 	

   179 	private static void throwException(String file, int eventType){

   180 		throw new IllegalArgumentException(String.format("Xml file: %s malformed with eventType: %d.", file, eventType));

   181 	}

   182 

   183 	public int describeContents() {

   184 		return 0;

   185 	}

   186 

   187 	public void writeToParcel(Parcel dest, int flags) {

   188 		dest.writeString(name);

   189 		dest.writeString(QT);

   190 		dest.writeString(prob);

   191 		dest.writeString(delay);

   192 		dest.writeString(crate);

   193 	}

   194 	

   195 	private void readFromParcel(Parcel src){

   196 		name = src.readString();

   197 		QT = src.readString();

   198 		prob = src.readString();

   199 		delay = src.readString();

   200 		crate = src.readString();

   201 	}

   202 	

   203 	public static final Parcelable.Creator<Weapon> CREATOR = new Parcelable.Creator<Weapon>() {

   204 		public Weapon createFromParcel(Parcel source) {

   205 			return new Weapon(source);

   206 		}

   207 		public Weapon[] newArray(int size) {

   208 			return new Weapon[size];

   209 		}

   210 		

   211 	};

   212 }