src/main/java/buttondevteam/lib/player/AbstractUserClass.java

@@ -0,0 +1,28 @@
+package buttondevteam.lib.player;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Specifies a {@link ChromaGamerBase} direct subclass which's abstract. For Minecraft data, use {@link PlayerClass}
+ * 
+ * @author NorbiPeti
+ *
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+@Inherited
+public @interface AbstractUserClass {
+	/**
+	 * Indicates which folder should the player files be saved in.
+	 */
+	String foldername();
+
+	/**
+	 * Indicates the class to create when connecting accounts.
+	 */
+	Class<?> prototype();
+}

src/main/java/buttondevteam/lib/player/ChromaGamerBase.java

@@ -21,7 +21,10 @@ public abstract class ChromaGamerBase implements AutoCloseable {
 	public static void RegisterPluginUserClass(Class<? extends ChromaGamerBase> userclass) {
 		if (userclass.isAnnotationPresent(UserClass.class))
 			playerTypes.put(userclass, userclass.getAnnotation(UserClass.class).foldername());
-		else //<-- Really important
+		else if (userclass.isAnnotationPresent(AbstractUserClass.class))
+			playerTypes.put(userclass.getAnnotation(AbstractUserClass.class).prototype(),
+					userclass.getAnnotation(AbstractUserClass.class).foldername());
+		else // <-- Really important
 			throw new RuntimeException("Class not registered as a user class! Use @UserClass or TBMCPlayerBase");
 	}
 
@@ -37,24 +40,24 @@ public abstract class ChromaGamerBase implements AutoCloseable {
 	public static <T extends ChromaGamerBase> String getFolderForType(Class<T> cl) {
 		if (cl.isAnnotationPresent(UserClass.class))
 			return cl.getAnnotation(UserClass.class).foldername();
-		throw new RuntimeException("Class not registered as a user class! Use @UserClass");
+		else if (cl.isAnnotationPresent(AbstractUserClass.class))
+			return cl.getAnnotation(AbstractUserClass.class).foldername();
+		throw new RuntimeException("Class not registered as a user class! Use @UserClass or @AbstractUserClass");
 	}
 
 	/**
-	 * This method returns the filename for this player data. For example, for Minecraft-related data, use MC UUIDs, for Discord data, use Discord IDs, etc.<br>
+	 * This method returns the filename for this player data. For example, for Minecraft-related data, MC UUIDs, for Discord data, use Discord IDs, etc.<br>
 	 * <b>Does not include .yml</b>
 	 */
-	public abstract String getFileName();
+	public final String getFileName() {
+		return plugindata.getString(getFolder() + "_id");
+	}
 
 	/**
 	 * Use {@link #data()} or {@link #data(String)} where possible; the 'id' must be always set
 	 */
 	protected YamlConfiguration plugindata;
 
-	public String getID() {
-		return plugindata != null ? plugindata.getString("id") : null;
-	}
-
 	/***
 	 * Loads a user from disk and returns the user object. Make sure to use the subclasses' methods, where possible, like {@link TBMCPlayerBase#getPlayer(java.util.UUID, Class)}
 	 * 
@@ -69,7 +72,7 @@ public abstract class ChromaGamerBase implements AutoCloseable {
 			final File file = new File(TBMC_PLAYERS_DIR + folder, fname + ".yml");
 			file.getParentFile().mkdirs();
 			obj.plugindata = YamlConfiguration.loadConfiguration(file);
-			obj.plugindata.set(folder + "_id", obj.getID());
+			obj.plugindata.set(folder + "_id", fname);
 			return obj;
 		} catch (Exception e) {
 			TBMCCoreAPI.SendException("An error occured while loading a " + cl.getSimpleName() + "!", e);
@@ -110,13 +113,16 @@ public abstract class ChromaGamerBase implements AutoCloseable {
 		// Set the ID, go through all linked files and connect them as well
 		if (!playerTypes.containsKey(getClass()))
 			throw new RuntimeException("Class not registered as a user class! Use TBMCCoreAPI.RegisterUserClass");
-		plugindata.set(user.getFolder() + "_id", user.plugindata.getString("id"));
-		final String ownFolder = user.getFolder();
-		user.plugindata.set(ownFolder + "_id", plugindata.getString("id"));
+		final String ownFolder = getFolder();
+		user.plugindata.set(ownFolder + "_id", plugindata.getString(ownFolder + "_id"));
+		final String userFolder = user.getFolder();
+		plugindata.set(userFolder + "_id", user.plugindata.getString(userFolder + "_id"));
 		Consumer<YamlConfiguration> sync = sourcedata -> {
-			final String sourcefolder = sourcedata == plugindata ? ownFolder : user.getFolder();
-			final String id = sourcedata.getString("id");
+			final String sourcefolder = sourcedata == plugindata ? ownFolder : userFolder;
+			final String id = sourcedata.getString(sourcefolder + "_id");
 			for (Entry<Class<?>, String> entry : playerTypes.entrySet()) { // Set our ID in all files we can find, both from our connections and the new ones
+				if (entry.getKey() == getClass() || entry.getKey() == user.getClass())
+					continue;
 				final String otherid = sourcedata.getString(entry.getValue() + "_id");
 				if (otherid == null)
 					continue;
@@ -157,13 +163,13 @@ public abstract class ChromaGamerBase implements AutoCloseable {
 	 */
 	@SuppressWarnings("unchecked")
 	public <T extends ChromaGamerBase> T getAs(Class<T> cl) { // TODO: Provide a way to use TBMCPlayerBase's loaded players
-		//System.out.println("getAs cls: " + cl.getSimpleName() + " =? " + getClass().getSimpleName()); // TODO: TMP - Don't be tired when programming
 		if (cl.getSimpleName().equals(getClass().getSimpleName()))
 			return (T) this;
 		String newfolder = getFolderForType(cl);
 		if (newfolder == null)
 			throw new RuntimeException("The specified class " + cl.getSimpleName() + " isn't registered!");
-		System.out.println("getAs newfolder: " + newfolder);
+		if (newfolder.equals(getFolder())) // If in the same folder, the same filename is used
+			return getUser(getFileName(), cl);
 		if (!plugindata.contains(newfolder + "_id"))
 			return null;
 		return getUser(plugindata.getString(newfolder + "_id"), cl);
@@ -173,6 +179,12 @@ public abstract class ChromaGamerBase implements AutoCloseable {
 		return getFolderForType(getClass());
 	}
 
+	private void ThrowIfNoUser() {
+		if (!getClass().isAnnotationPresent(UserClass.class)
+				&& !getClass().isAnnotationPresent(AbstractUserClass.class))
+			throw new RuntimeException("Class not registered as a user class! Use @UserClass");
+	}
+
 	@SuppressWarnings("rawtypes")
 	private HashMap<String, PlayerData> datamap = new HashMap<>();
 
@@ -183,8 +195,7 @@ public abstract class ChromaGamerBase implements AutoCloseable {
 	 */
 	@SuppressWarnings("unchecked")
 	protected <T> PlayerData<T> data(String sectionname) {
-		if (!getClass().isAnnotationPresent(UserClass.class))
-			throw new RuntimeException("Class not registered as a user class! Use @UserClass");
+		ThrowIfNoUser();
 		String mname = sectionname + "." + new Exception().getStackTrace()[2].getMethodName();
 		if (!datamap.containsKey(mname))
 			datamap.put(mname, new PlayerData<T>(mname, plugindata));
@@ -198,9 +209,7 @@ public abstract class ChromaGamerBase implements AutoCloseable {
 	 */
 	@SuppressWarnings("unchecked")
 	protected <T> PlayerData<T> data() {
-		//System.out.println("Calling ChromaGamerBase data"); // TODO: TMP - Debugged for hours
-		if (!getClass().isAnnotationPresent(UserClass.class))
-			throw new RuntimeException("Class not registered as a user class! Use @UserClass");
+		ThrowIfNoUser();
 		String mname = new Exception().getStackTrace()[1].getMethodName();
 		if (!datamap.containsKey(mname))
 			datamap.put(mname, new PlayerData<T>(mname, plugindata));
@@ -217,8 +226,7 @@ public abstract class ChromaGamerBase implements AutoCloseable {
 	 */
 	@SuppressWarnings("unchecked")
 	protected <T extends Enum<T>> EnumPlayerData<T> dataEnum(String sectionname, Class<T> cl) {
-		if (!getClass().isAnnotationPresent(UserClass.class))
-			throw new RuntimeException("Class not registered as a user class! Use @UserClass");
+		ThrowIfNoUser();
 		String mname = sectionname + "." + new Exception().getStackTrace()[2].getMethodName();
 		if (!dataenummap.containsKey(mname))
 			dataenummap.put(mname, new EnumPlayerData<T>(mname, plugindata, cl));
@@ -232,8 +240,7 @@ public abstract class ChromaGamerBase implements AutoCloseable {
 	 */
 	@SuppressWarnings("unchecked")
 	protected <T extends Enum<T>> EnumPlayerData<T> dataEnum(Class<T> cl) {
-		if (!getClass().isAnnotationPresent(UserClass.class))
-			throw new RuntimeException("Class not registered as a user class! Use @UserClass");
+		ThrowIfNoUser();
 		String mname = new Exception().getStackTrace()[1].getMethodName();
 		if (!dataenummap.containsKey(mname))
 			dataenummap.put(mname, new EnumPlayerData<T>(mname, plugindata, cl));

src/main/java/buttondevteam/lib/player/TBMCPlayerBase.java

@@ -17,7 +17,7 @@ import com.palmergames.bukkit.towny.object.TownyUniverse;
 
 import buttondevteam.lib.TBMCCoreAPI;
 
-@UserClass(foldername = "minecraft")
+@AbstractUserClass(foldername = "minecraft", prototype = TBMCPlayer.class)
 public abstract class TBMCPlayerBase extends ChromaGamerBase {
 	protected UUID uuid;
 
@@ -31,19 +31,15 @@ public abstract class TBMCPlayerBase extends ChromaGamerBase {
 	}
 
 	public UUID getUUID() {
+		if (uuid == null)
+			uuid = UUID.fromString(getFileName());
 		return uuid;
 	}
 
 	public PlayerData<String> PlayerName() {
-		//System.out.println("Calling playername"); // TODO: TMP - The data will only get stored if it's changed
 		return super.data();
 	}
 
-	@Override
-	public String getFileName() {
-		return getUUID().toString();
-	}
-
 	/**
 	 * Use from a method with the name of the key. For example, use flair() for the enclosing method to save to and load from "flair"
 	 * 
@@ -51,7 +47,6 @@ public abstract class TBMCPlayerBase extends ChromaGamerBase {
 	 */
 	@Override
 	protected <T> PlayerData<T> data() {
-		//System.out.println("Calling TMBCPlayerBase data"); // TODO: TMP - Sigh
 		return super.data(pluginname);
 	}
 
@@ -78,17 +73,17 @@ public abstract class TBMCPlayerBase extends ChromaGamerBase {
 	public static <T extends TBMCPlayerBase> T getPlayer(UUID uuid, Class<T> cl) {
 		if (playermap.containsKey(uuid + "-" + cl.getSimpleName()))
 			return (T) playermap.get(uuid + "-" + cl.getSimpleName());
-		//System.out.println("A");
+		// System.out.println("A");
 		try {
 			T player;
 			if (playermap.containsKey(uuid + "-" + TBMCPlayer.class.getSimpleName())) {
-				//System.out.println("B"); - Don't program when tired
+				// System.out.println("B"); - Don't program when tired
 				player = cl.newInstance();
 				player.plugindata = playermap.get(uuid + "-" + TBMCPlayer.class.getSimpleName()).plugindata;
 				playermap.put(uuid + "-" + cl.getSimpleName(), player); // It will get removed on player quit
 			} else
 				player = ChromaGamerBase.getUser(uuid.toString(), cl);
-			//System.out.println("C");
+			// System.out.println("C");
 			player.uuid = uuid;
 			return player;
 		} catch (Exception e) {

src/main/java/buttondevteam/lib/player/UserClass.java

@@ -7,7 +7,7 @@ import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
 /**
- * Specifies a {@link ChromaGamerBase} direct subclass. For Minecraft data, use {@link PlayerClass}
+ * Specifies a {@link ChromaGamerBase} direct subclass which can be instantiated. For Minecraft data, use {@link PlayerClass}
  * 
  * @author NorbiPeti
  *

src/test/java/buttondevteam/core/PlayerDataTest.java

@@ -48,7 +48,7 @@ public class PlayerDataTest extends TestCase {
 		try (TestPlayerClass p = TBMCPlayerBase.getPlayer(uuid, TestPlayerClass.class)) {
 			p.PlayerName().set("Test");
 			assertEquals("Test", p.PlayerName().get());
-			p.testenum().set(TestEnum.A); // TODO: Fix enum saving
+			p.testenum().set(TestEnum.A);
 			assertEquals(TestEnum.A, p.testenum().get());
 			// p.TestShort().set((short) 5);
 			// assertEquals((short) 5, (short) (int) p.TestShort().get());