1 |
torben |
1166 |
import java.util.Map; |
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import java.util.HashMap; |
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import java.util.concurrent.ConcurrentHashMap; |
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import java.io.*; |
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public class Economy extends Plugin { |
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@Override |
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public void enable() {} |
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@Override |
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public void disable() {} |
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@Override |
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public void initialize() { |
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PluginListener plugin = new EconomyPluginListener(); |
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PluginLoader loader = etc.getLoader(); |
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loader.addListener( PluginLoader.Hook.COMMAND, plugin, this, PluginListener.Priority.MEDIUM ); |
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loader.addListener( PluginLoader.Hook.SERVERCOMMAND, plugin, this, PluginListener.Priority.MEDIUM ); |
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} |
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class ExchangeRate{ |
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public ExchangeRate() {} |
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public ExchangeRate(int id, String name, int sell, int buy) { |
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this.id = id; |
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this.name = name; |
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this.sell = sell; |
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this.buy = buy; |
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} |
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int id; //blockid |
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String name; |
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int sell; //the amount the user receives when selling item |
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int buy; |
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} |
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public class EconomyPluginListener extends PluginListener { |
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final static String balanceFile = "economy-balance.txt"; |
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final static String ratesFile = "economy-rates.txt"; |
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private Map<String,Integer> itemMap = new HashMap<String,Integer>(); |
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private Map<String, Integer> balances = new ConcurrentHashMap<String,Integer>(); |
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private Map<Integer, ExchangeRate> rates = new HashMap<Integer,ExchangeRate>(); |
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public EconomyPluginListener() { |
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loadExchangeRates(); |
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loadUserBalances(); |
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} |
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private void loadExchangeRates() { |
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try { |
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File f = new File(ratesFile); |
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if (f.exists() ) { |
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BufferedReader in = new BufferedReader(new InputStreamReader( new FileInputStream(f) ) ); |
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rates.clear(); |
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itemMap.clear(); |
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String line; |
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while ( (line = in.readLine()) != null) { |
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line = line.trim(); |
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if (line.length() == 0 || line.startsWith("#")) { |
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continue; |
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} |
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String parts[] = line.split(":"); |
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ExchangeRate r = new ExchangeRate(); |
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r.id = Integer.parseInt(parts[0]); |
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r.name = parts[1]; |
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r.sell = Integer.parseInt(parts[2]); |
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r.buy = Integer.parseInt(parts[3]); |
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rates.put(r.id, r); |
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itemMap.put(r.name.toLowerCase(), r.id); |
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} |
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} else { |
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System.out.println("Could not find rates-file - creating new"); |
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BufferedWriter out = new BufferedWriter( new OutputStreamWriter(new FileOutputStream(f)) ); |
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out.write("#itemID:name:sellrate:buyrate\n"); |
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out.close(); |
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} |
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} catch (Exception e) { |
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System.out.println("Error loading rates: " + e.getMessage() ); |
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} |
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} |
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private void loadUserBalances() { |
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try { |
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File f = new File(balanceFile); |
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if (f.exists() ) { |
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BufferedReader in = new BufferedReader(new InputStreamReader( new FileInputStream(f) ) ); |
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String line; |
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while ( (line = in.readLine()) != null) { |
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line = line.trim(); |
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if (line.length() == 0 || line.startsWith("#")) { |
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continue; |
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} |
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String parts[] = line.split(":"); |
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balances.put(parts[0], Integer.parseInt(parts[1]) ); |
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} |
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in.close(); |
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} |
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} catch (Exception e) { |
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System.out.println("Error loading balances: " + e.getMessage() ); |
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} |
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} |
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private synchronized void saveUserBalance(String username) { |
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try { |
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FileOutputStream fos = new FileOutputStream(balanceFile); |
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BufferedWriter out = new BufferedWriter( new OutputStreamWriter(fos) ); |
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for (String key : balances.keySet() ) { |
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out.write( key + ":" + balances.get(key) ); |
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out.newLine(); |
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} |
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out.close(); |
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fos.close(); |
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} catch (Exception e) { |
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System.out.println("Error saving user balance: " + e.getMessage() ); |
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} |
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} |
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private void adminCoins(Player player, String[] split) { |
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if(split.length != 4 || !(split[1].equals("give") || split[1].equals("take") )) { |
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player.sendMessage( Colors.Green + "Usage: /admincoins (give|take) <player> <amount>"); |
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return; |
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} |
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Player p2 = etc.getServer().getPlayer( split[2]); |
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if (p2 == null) { |
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player.sendMessage( Colors.Green + split[0] + ": could not find player " + split[2]); |
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return; |
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} |
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int amount; |
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try { |
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amount = Integer.parseInt(split[3]); |
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} catch (Exception e) { |
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player.sendMessage( Colors.Green + split[0] + ": amount must be a number"); |
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return; |
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} |
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Integer balance = balances.get(p2.getName() ); |
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if (balance == null) { |
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balance = 0; |
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} |
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if (split[1].equals("give")) { |
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balance += amount; |
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player.sendMessage(Colors.Green + split[0] + ": coins given to " + p2.getName() ); |
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p2.sendMessage(Colors.Green + "You have been given " + amount + " coins"); |
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} else { //take |
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if (amount > balance) { |
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player.sendMessage(Colors.Green + split[0] + ": " + p2.getName() + " doesnt have that many coins"); |
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return; |
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} |
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balance -= amount; |
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player.sendMessage(Colors.Green + split[0] + ": coins taken from " + p2.getName() ); |
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p2.sendMessage(Colors.Green + amount + " coins have been taken from your account"); |
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} |
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balances.put(p2.getName(), balance); |
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saveUserBalance(p2.getName() ); |
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} |
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private void giveCoins(Player player, String[] split) { |
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if (split.length != 3) { |
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player.sendMessage( Colors.Green + "Usage: /givecoins <player> <amount> - gives coins to a user from your account"); |
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return; |
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} |
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Player p2 = etc.getServer().getPlayer( split[1]); |
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if (p2 == null) { |
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player.sendMessage( Colors.Green + "Givecoins: could not find player " + split[1]); |
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return; |
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} |
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int amount; |
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try { |
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amount = Integer.parseInt(split[2]); |
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} catch (Exception e) { |
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player.sendMessage( Colors.Green + "Givecoins: amount must be a number"); |
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return; |
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} |
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Integer source = balances.get(player.getName() ); |
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if (source == null || source < amount) { |
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player.sendMessage(Colors.Green + "Givecoins: you don't have that much to give"); |
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return; |
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} |
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Integer destination = balances.get(p2.getName()); |
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if (destination == null) { |
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destination = 0; |
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} |
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balances.put(player.getName(), source - amount); |
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balances.put(p2.getName(), destination+amount); |
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saveUserBalance(player.getName() ); |
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saveUserBalance(p2.getName() ); |
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player.sendMessage(Colors.Green + "Givecoins, you have given " + amount + " coins to " + p2.getName() ); |
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p2.sendMessage(Colors.Green + "Givecoins, you have received " + amount + " coins from " + player.getName() ); |
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} |
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private void balance(Player player) { |
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Integer balObj = balances.get( player.getName() ); |
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int bal = (balObj != null ? balObj : 0); |
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player.sendMessage( Colors.Green + "Your balance is " + bal + " coins"); |
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} |
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private void rates(Player player) { |
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player.sendMessage( Colors.Green + "Current exchange rates"); |
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for(ExchangeRate r : rates.values() ) { |
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player.sendMessage(Colors.Green + r.name + "(" + r.id + ") sell= " + r.sell + " buy=" + r.buy ); |
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} |
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} |
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int getItemId(String str) { |
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int item = -1; |
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try { |
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item = Integer.parseInt( str ); |
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} catch (Exception e) { |
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Integer itemId = itemMap.get( str.toLowerCase() ); |
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if (itemId != null) { |
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item = itemId; |
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} |
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} |
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return item; |
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} |
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private boolean validateBuySell(Player player, String[] split) { |
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if (split.length != 3) { |
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player.sendMessage( Colors.Green + "Usage: " + split[0] + " <item> <amount>"); |
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return false; |
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} |
258 |
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259 |
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int item = getItemId(split[1]); |
260 |
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if (item == -1) { |
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player.sendMessage( Colors.Green + split[0] + ": <item> must be an integer or name of a traded item"); |
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return false; |
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} |
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265 |
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int amount; |
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try { |
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amount = Integer.parseInt(split[2]); |
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} catch (Exception e) { |
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player.sendMessage( Colors.Green + split[0] + ": amount must be an integer"); |
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return false; |
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} |
272 |
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if (amount < 0 || amount > 1024) { |
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player.sendMessage( Colors.Green + split[0] + ": amount must be between 0 and 1024"); |
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return false; |
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} |
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278 |
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279 |
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ExchangeRate r = rates.get(item); |
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if (r == null) { |
281 |
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player.sendMessage( Colors.Green + split[0] + ": item with id " + item + " can not be traded"); |
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return false; |
283 |
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} |
284 |
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285 |
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return true; |
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} |
287 |
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288 |
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289 |
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290 |
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private void buy(Player player, String[] split) { |
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int item = getItemId(split[1]); |
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int amount = Integer.parseInt(split[2]); |
293 |
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ExchangeRate rate = rates.get(item); |
295 |
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int value = rate.buy * amount; |
297 |
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298 |
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Integer balance = balances.get( player.getName() ); |
299 |
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300 |
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if (balance == null || balance < value) { |
301 |
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player.sendMessage( Colors.Green + split[0] + ": you don't have enough coins"); |
302 |
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return; |
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} |
304 |
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305 |
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player.giveItem(item,amount); |
306 |
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int newBalance = balance-value; |
307 |
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balances.put(player.getName(), newBalance); |
308 |
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309 |
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310 |
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player.sendMessage( Colors.Green + "You have bought " + amount + " x " + rate.name ); |
311 |
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player.sendMessage( Colors.Green + "Your new balance is " + newBalance ); |
312 |
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313 |
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314 |
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saveUserBalance(player.getName() ); |
315 |
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} |
316 |
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317 |
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private boolean hasItem(Inventory inv, int itemID, int amount) { |
318 |
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int count = 0; |
319 |
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for (int i=0; i<36; i++) { |
320 |
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Item item = inv.getItemFromSlot(i); |
321 |
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if (item != null) { |
322 |
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if (item.getItemId() == itemID) { |
323 |
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count += item.getAmount(); |
324 |
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} |
325 |
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} |
326 |
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} |
327 |
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return (count >= amount); |
328 |
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329 |
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} |
330 |
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331 |
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private void sell(Player player, String[] split) { |
332 |
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int itemId = getItemId( split[1] ); |
333 |
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int amount = Integer.parseInt(split[2]); |
334 |
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335 |
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336 |
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ExchangeRate rate = rates.get(itemId); |
337 |
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338 |
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Inventory inv = player.getInventory(); |
339 |
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340 |
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/* if (! inv.hasItem(itemId, amount, 1024) ) { |
341 |
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player.sendMessage(Colors.Green + split[0] + ": you don't have that many pieces of " + rate.name ); |
342 |
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return; |
343 |
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} |
344 |
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*/ |
345 |
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if (! hasItem(inv, itemId, amount) ) { |
346 |
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player.sendMessage(Colors.Green + split[0] + ": you don't have that many pieces of " + rate.name ); |
347 |
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return; |
348 |
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} |
349 |
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350 |
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|
351 |
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Integer balance = balances.get( player.getName() ); |
352 |
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if (balance == null) { |
353 |
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balance = 0; |
354 |
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} |
355 |
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356 |
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Item item = new Item(itemId, amount); |
357 |
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inv.removeItem(item); |
358 |
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inv.updateInventory(); |
359 |
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360 |
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balance += (amount * rate.sell); |
361 |
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balances.put( player.getName(), balance); |
362 |
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363 |
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player.sendMessage( Colors.Green + "You have sold " + amount + " x " + rate.name ); |
364 |
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player.sendMessage( Colors.Green + "Your new balance is " + balance ); |
365 |
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366 |
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saveUserBalance(player.getName() ); |
367 |
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} |
368 |
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369 |
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370 |
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371 |
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@Override |
372 |
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public boolean onCommand(Player player, java.lang.String[] split) { |
373 |
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if (split[0].equals("/balance") ) { |
374 |
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balance(player); |
375 |
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return true; |
376 |
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} |
377 |
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378 |
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379 |
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if (split[0].equals("/admincoins") ) { |
380 |
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adminCoins(player,split); |
381 |
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return true; |
382 |
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} |
383 |
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384 |
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if (split[0].equals("/givecoins") ) { |
385 |
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giveCoins(player,split); |
386 |
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return true; |
387 |
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} |
388 |
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389 |
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if (split[0].equals("/rates") ) { |
390 |
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rates(player); |
391 |
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return true; |
392 |
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} |
393 |
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|
394 |
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if (split[0].equals("/sell") ) { |
395 |
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if (validateBuySell(player,split)) { |
396 |
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sell(player, split); |
397 |
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} |
398 |
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return true; |
399 |
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} |
400 |
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401 |
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if (split[0].equals("/buy") ) { |
402 |
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if (validateBuySell(player,split)) { |
403 |
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buy(player, split); |
404 |
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} |
405 |
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return true; |
406 |
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} |
407 |
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|
408 |
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if (split[0].equals("/reload") ) { |
409 |
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loadExchangeRates(); |
410 |
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} |
411 |
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|
412 |
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|
413 |
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return false; |
414 |
|
|
|
415 |
|
|
} |
416 |
|
|
|
417 |
|
|
public boolean onConsoleCommand(String[] split) { |
418 |
|
|
if (split[0].equals("reload") ) { |
419 |
|
|
loadExchangeRates(); |
420 |
|
|
} |
421 |
|
|
return false; |
422 |
|
|
} |
423 |
|
|
} |
424 |
|
|
} |