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package Game;
import java.io.File;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Set;
import Tools.Props;
/*
* Copyright 2009 Volker Oth
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Stores player progress.
* @author Volker Oth
*/
public class Player {
/** property class to store player settings persistently */
private Props props;
/** name of the INI file used for persistence */
private String iniFileStr;
/** used to store level progress */
private HashMap<String,GroupBitfield> lvlGroup;
/** cheat mode enabled? */
private boolean cheat;
/** player's name */
private String name;
/**
* Constructor.
* @param n player's name
*/
public Player(final String n) {
name = n;
lvlGroup = new HashMap<String,GroupBitfield>();
// read main ini file
props = new Props();
// create players directory if it doesn't exist
File dest = new File(Core.resourcePath+"players");
dest.mkdirs();
iniFileStr = Core.resourcePath+"players/"+name+".ini";
if (props.load(iniFileStr)) {// might exist or not - if not, it's created
// file existed, now extract entries
String sdef[] = { null, null};
for (int idx = 0;true;idx++) {
String s[] = props.get("group"+Integer.toString(idx), sdef);
if (s == null || s.length != 2 || s[0] == null )
break;
// first string is the level group key identifier
// second string is a GroupBitfield used as bitfield to store won levels
lvlGroup.put(s[0], new GroupBitfield(s[1]));
}
}
// cheat mode
cheat = false;
}
/**
* Enable cheat mode for this player.
*/
public void enableCheatMode() {
cheat = true;
}
/**
* Store player's progress.
*/
public void store() {
Set<String> k = lvlGroup.keySet();
Iterator<String> it = k.iterator();
int idx=0;
while (it.hasNext()) {
String s = it.next();
GroupBitfield bf = lvlGroup.get(s);
String sout = s+", "+bf.toString();
props.set("group"+Integer.toString(idx++), sout);
}
props.save(iniFileStr);
}
/**
* Allow a level to be played.
* @param pack level pack
* @param diff difficulty level
* @param num level number
* @return updated bitfield
*/
public GroupBitfield setAvailable(final String pack, final String diff, final int num) {
// get current bitfield
String id = LevelPack.getID(pack, diff);
GroupBitfield bf = lvlGroup.get(id);
if (bf==null)
bf = GroupBitfield.ONE; // first level is always available
bf = new GroupBitfield(bf.setBit(num)); // set bit in bitfield (just overwrite existing bit)
// store new value
lvlGroup.put(id, bf);
return bf;
}
/**
* Check if player is allowed to play a level.
* @param pack level pack
* @param diff difficulty level
* @param num level number
* @return true if allowed, false if not
*/
public boolean isAvailable(final String pack, final String diff, final int num) {
if (isCheat())
return true;
// get current bitfield
String id = LevelPack.getID(pack, diff);
GroupBitfield bf = lvlGroup.get(id);
if (bf==null)
bf = GroupBitfield.ONE; // first level is always available
return (bf.testBit(num));
}
/**
* Check if player is allowed to play a level.
* @param bf bitfield containing the approval information for all levels of this pack/difficulty
* @param num number of level
* @return true if allowed, false if not
*/
public boolean isAvailable(final GroupBitfield bf, final int num) {
if (isCheat())
return true;
return (bf.testBit(num));
}
/**
* Get bitfield containing the approval information for all levels of this pack/difficulty.
* @param pack level pack
* @param diff difficulty level
* @return bitfield containing the approval information for all levels of this pack/difficulty
*/
public GroupBitfield getBitField(final String pack, final String diff) {
if (isCheat())
return new GroupBitfield("18446744073709551615"); // 0xffffffffffffffff (8 bytes with all bits set)
String id = LevelPack.getID(pack, diff);
GroupBitfield bf = lvlGroup.get(id);
if (bf==null)
return GroupBitfield.ONE;
return bf;
}
/**
* Get player's name.
* @return player's name
*/
public String getName() {
return name;
}
/**
* Get cheat state.
* @return true if cheat is enabled
*/
public boolean isCheat() {
return cheat;
}
}
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