add snakeyaml as dependency, config file, os util

.gitignore

@@ -1,2 +1 @@
-target
+target
-src/main/java/de/bixilon/minosoft/Config.java

pom.xml

@@ -32,6 +32,11 @@
             <artifactId>json</artifactId>
             <version>20180813</version>
         </dependency>
+        <dependency>
+            <groupId>org.yaml</groupId>
+            <artifactId>snakeyaml</artifactId>
+            <version>1.25</version>
+        </dependency>
     </dependencies>
 
 </project>

src/main/java/de/bixilon/minosoft/Config.java

@@ -1,6 +1,5 @@
 package de.bixilon.minosoft;
 
 public class Config {
-    public static String username = ""; // mojang email
+    public static String homeDir;
-    public static String password = "";
 }

src/main/java/de/bixilon/minosoft/Minosoft.java

@@ -1,12 +1,57 @@
 package de.bixilon.minosoft;
 
+import de.bixilon.minosoft.config.Configuration;
+import de.bixilon.minosoft.config.GameConfiguration;
 import de.bixilon.minosoft.logging.Log;
+import de.bixilon.minosoft.objects.Account;
+import de.bixilon.minosoft.objects.Player;
 import de.bixilon.minosoft.protocol.network.Connection;
+import de.bixilon.minosoft.util.OSUtil;
+
+import java.io.File;
+import java.io.IOException;
 
 public class Minosoft {
+    static Configuration config;
+
     public static void main(String[] args) {
         Log.info("Starting...");
-        Connection c = new Connection("127.0.0.1", 25565);
+        setConfigFolder();
+        Log.info("Reading config file...");
+        try {
+            config = new Configuration("game.yml");
+        } catch (IOException e) {
+            Log.fatal("Failed to load config file!");
+            e.printStackTrace();
+            return;
+        }
+        Log.info(String.format("Loaded config file (version=%s)", config.getInteger(GameConfiguration.CONFIG_VERSION)));
+        Connection c = new Connection(config.getString("debug.host"), config.getInteger("debug.port"));
+        c.setPlayer(new Player(new Account(config.getString("debug.username"), config.getString("debug.password"))));
         c.connect();
     }
+
+    /**
+     * Sets Config.homeDir to the correct folder per OS
+     */
+    public static void setConfigFolder() {
+        String folder = System.getProperty("user.home");
+        if (!folder.endsWith(File.separator)) {
+            folder += "/";
+        }
+        switch (OSUtil.getOS()) {
+            case LINUX:
+                folder += ".local/share/minosoft/";
+                break;
+            case WINDOWS:
+                Config.homeDir = "AppData/Roaming/Minosoft/";
+                break;
+            //ToDo: Mac, Other
+        }
+        Config.homeDir = folder;
+    }
+
+    public static Configuration getConfig() {
+        return config;
+    }
 }

src/main/java/de/bixilon/minosoft/config/ConfigEnum.java

@@ -0,0 +1,5 @@
+package de.bixilon.minosoft.config;
+
+public interface ConfigEnum {
+    public String getPath();
+}

src/main/java/de/bixilon/minosoft/config/Configuration.java

@@ -0,0 +1,72 @@
+package de.bixilon.minosoft.config;
+
+import de.bixilon.minosoft.Config;
+import org.yaml.snakeyaml.Yaml;
+
+import java.io.*;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.LinkedHashMap;
+
+public class Configuration {
+    LinkedHashMap<String, Object> config;
+
+    public Configuration(String filename) throws IOException {
+
+        File file = new File(Config.homeDir + "config/" + filename);
+        if (!file.exists()) {
+            // no configuration file
+            InputStream input = getClass().getResourceAsStream("/config/" + filename);
+            if (input == null) {
+                throw new FileNotFoundException(String.format("[Config] Missing default config: %s!", filename));
+            }
+            File c_folder = new File(Config.homeDir + "config/");
+            if (!c_folder.exists() && !c_folder.mkdirs()) {
+                throw new IOException("[Config] Could not create config folder!");
+            }
+            Files.copy(input, Paths.get(file.getAbsolutePath()));
+            file = new File(Config.homeDir + "config/" + filename);
+        }
+        Yaml yml = new Yaml();
+        config = yml.load(new FileInputStream(file));
+    }
+
+    public boolean getBoolean(String path) {
+        return (boolean) get(path);
+    }
+
+    public boolean getBoolean(ConfigEnum config) {
+        return getBoolean(config.getPath());
+    }
+
+    public int getInteger(String path) {
+        return (int) get(path);
+    }
+
+    public int getInteger(ConfigEnum config) {
+        return getInteger(config.getPath());
+    }
+
+    public String getString(String path) {
+        return (String) get(path);
+    }
+
+    public String getString(ConfigEnum config) {
+        return getString(config.getPath());
+    }
+
+
+    public Object get(String path) {
+        if (path.contains(".")) {
+            // split
+            String[] spilt = path.split("\\.");
+            LinkedHashMap<String, Object> temp = config;
+            for (int i = 0; i < spilt.length - 1; i++) {
+                temp = (LinkedHashMap<String, Object>) temp.get(spilt[i]);
+            }
+            return temp.get(spilt[spilt.length - 1]);
+        }
+        return config.get(path);
+    }
+}
+

src/main/java/de/bixilon/minosoft/config/GameConfiguration.java

@@ -0,0 +1,19 @@
+package de.bixilon.minosoft.config;
+
+public enum GameConfiguration implements ConfigEnum {
+    CONFIG_VERSION("version"),
+    GAME_RENDER_DISTANCE("game.render-distance"),
+    NETWORK_FAKE_CLIENT_BRAND("network.fake-client-brand");
+
+
+    String path;
+
+    GameConfiguration(String path) {
+        this.path = path;
+    }
+
+    @Override
+    public String getPath() {
+        return path;
+    }
+}

src/main/java/de/bixilon/minosoft/protocol/network/Connection.java

@@ -1,8 +1,6 @@
 package de.bixilon.minosoft.protocol.network;
 
-import de.bixilon.minosoft.Config;
 import de.bixilon.minosoft.logging.Log;
-import de.bixilon.minosoft.objects.Account;
 import de.bixilon.minosoft.objects.Player;
 import de.bixilon.minosoft.protocol.packets.ClientboundPacket;
 import de.bixilon.minosoft.protocol.packets.ServerboundPacket;
@@ -23,7 +21,7 @@ public class Connection {
     private final Network network;
     private final PacketHandler handler;
     private final ArrayList<ClientboundPacket> handlingQueue;
-    private Player player = new Player(new Account(Config.username, Config.password));
+    private Player player;
     private ConnectionState state = ConnectionState.DISCONNECTED;
 
     private boolean onlyPing;
@@ -133,4 +131,8 @@ public class Connection {
         });
         handleThread.start();
     }
+
+    public void setPlayer(Player player) {
+        this.player = player;
+    }
 }

src/main/java/de/bixilon/minosoft/protocol/packets/serverbound/play/PacketPluginMessageSending.java

@@ -16,6 +16,11 @@ public class PacketPluginMessageSending implements ServerboundPacket {
         this.data = data;
     }
 
+    public PacketPluginMessageSending(String channel, String data) {
+        this.channel = channel;
+        this.data = data.getBytes();
+    }
+
 
     @Override
     public OutPacketBuffer write(ProtocolVersion v) {

src/main/java/de/bixilon/minosoft/protocol/protocol/PacketHandler.java

@@ -1,5 +1,7 @@
 package de.bixilon.minosoft.protocol.protocol;
 
+import de.bixilon.minosoft.Minosoft;
+import de.bixilon.minosoft.config.GameConfiguration;
 import de.bixilon.minosoft.logging.Log;
 import de.bixilon.minosoft.protocol.network.Connection;
 import de.bixilon.minosoft.protocol.packets.clientbound.login.PacketEncryptionKeyRequest;
@@ -87,8 +89,7 @@ public class PacketHandler {
             Log.info(String.format("Server is running %s on version %s", new String(pkg.getData()), connection.getVersion().getName()));
 
             // send back own brand
-            // ToDo option to toggle for minosoft or original minecraft
+            connection.sendPacket(new PacketPluginMessageSending("MC|Brand", (Minosoft.getConfig().getBoolean(GameConfiguration.NETWORK_FAKE_CLIENT_BRAND) ? "vanilla" : "Minosoft")));
-            connection.sendPacket(new PacketPluginMessageSending("MC|Brand", "Minosoft".getBytes()));
         }
     }
 

src/main/java/de/bixilon/minosoft/util/OSUtil.java

@@ -0,0 +1,29 @@
+package de.bixilon.minosoft.util;
+
+public final class OSUtil {
+    private static OS os;
+
+    public static OS getOS() {
+        if (os == null) {
+            String name = System.getProperty("os.name");
+            if (name.startsWith("Windows")) {
+                os = OS.WINDOWS;
+            } else if (name.startsWith("Linux")) {
+                os = OS.LINUX;
+            } else if (name.startsWith("Mac")) {
+                os = OS.MAC;
+            } else {
+                os = OS.OTHER;
+            }
+        }
+        return os;
+    }
+
+    public enum OS {
+        WINDOWS,
+        LINUX,
+        MAC,
+        OTHER
+    }
+
+}

src/main/resources/config/game.yml

@@ -0,0 +1,16 @@
+# Settings of the game
+version: 1 # do not edit this, used for migration between versions of config
+
+# game
+game:
+  render-distance: 12
+
+network:
+  fake-client-brand: false # if true, minosoft will tell the server that this is unmodified vanilla. if false, it will tell "minosoft".
+
+# this will be removed soon
+debug:
+  host: "127.0.0.1"
+  port: 25565
+  username: "Player"
+  password: "secret123"