feat: added rudimentary friendmanager

src/main/java/ftbsc/bscv/Boscovicino.java

@@ -3,6 +3,7 @@ package ftbsc.bscv;
 import com.mojang.brigadier.CommandDispatcher;
 import com.mojang.brigadier.exceptions.CommandSyntaxException;
 import ftbsc.bscv.api.IModule;
+import ftbsc.bscv.system.Friends;
 import ftbsc.bscv.system.ModManager;
 import net.minecraft.client.entity.player.ClientPlayerEntity;
 import net.minecraft.client.gui.screen.IngameMenuScreen;
@@ -39,6 +40,9 @@ public class Boscovicino implements ICommons {
 
 	public static ForgeConfigSpec spec;
 
+	private static Friends friends;
+	public static Friends friends() { return Boscovicino.friends; }
+
 	public Boscovicino() {
 		FMLJavaModLoadingContext.get().getModEventBus().addListener(this::clientSetup);
 
@@ -50,8 +54,12 @@ public class Boscovicino implements ICommons {
 
 		Boscovicino.spec = cfg.build();
 
+		ForgeConfigSpec.Builder friendSpec = new ForgeConfigSpec.Builder();
+		Boscovicino.friends = new Friends(friendSpec, dp);
+
 		// register config handler
 		ModLoadingContext.get().registerConfig(Type.CLIENT, spec, "bscv.toml");
+		ModLoadingContext.get().registerConfig(Type.CLIENT, friendSpec.build(), "friends.toml");
 
 		// Register ourselves for server and other game events we are interested in
 		MinecraftForge.EVENT_BUS.register(this);

src/main/java/ftbsc/bscv/system/Friends.java

@@ -0,0 +1,122 @@
+package ftbsc.bscv.system;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+import javax.annotation.Nullable;
+
+import com.google.common.collect.Lists;
+import com.mojang.authlib.GameProfile;
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.arguments.StringArgumentType;
+
+import ftbsc.bscv.Boscovicino;
+import ftbsc.bscv.ICommons;
+import net.minecraft.client.network.play.ClientPlayNetHandler;
+import net.minecraft.client.network.play.NetworkPlayerInfo;
+import net.minecraft.command.CommandSource;
+import net.minecraft.command.Commands;
+import net.minecraftforge.common.ForgeConfigSpec;
+
+public class Friends implements ICommons {
+
+	@Nullable
+	public static GameProfile fromName(String name) {
+		ClientPlayNetHandler connection = MC.getConnection();
+		if (connection == null) return null;
+		for (NetworkPlayerInfo info : connection.getOnlinePlayers()) {
+			if (info.getProfile().getName().equals(name)) {
+				return new GameProfile(info.getProfile().getId(), info.getProfile().getName());
+			}
+		}
+		return null;
+	}
+
+	private ForgeConfigSpec.ConfigValue<List<? extends String>> store;
+
+	public Friends(ForgeConfigSpec.Builder builder, CommandDispatcher<CommandSource> dispatcher) {
+		this.store = builder.comment("actual friend list").defineList("data", () -> new ArrayList<String>(), u -> {
+			try{
+				UUID.fromString(u.toString());
+				return true;
+			} catch (Exception e) {
+				return false;
+			}
+		});
+
+		dispatcher.register(
+			Commands.literal("friends")
+				.then(
+					Commands.literal("add")
+						.then(
+							Commands.argument("name", StringArgumentType.word())
+								.executes( ctx -> {
+									String name = ctx.getArgument("name", String.class);
+									GameProfile profile = Friends.fromName(name);
+									if (profile == null) return 0;
+									this.addFriend(profile);
+									Boscovicino.log(String.format("> added %s <", profile.getName()));
+									return 1;
+								})
+						)
+				)
+				.then(
+					Commands.literal("remove")
+						.then(
+							Commands.argument("name", StringArgumentType.word())
+								.executes( ctx -> {
+									String name = ctx.getArgument("name", String.class);
+									GameProfile profile = Friends.fromName(name);
+									if (profile == null) return 0;
+									this.removeFriend(profile);
+									Boscovicino.log(String.format("> removed %s <", profile.getName()));
+									return 1;
+								})
+						)
+				)
+				.executes(ctx -> {
+					for (String friend : this.store.get()) {
+						Boscovicino.log(String.format("%s", friend));
+					}
+					return 1;
+				})
+		);
+	}
+
+	public boolean isFriend(String name) {
+		GameProfile usr = fromName(name);
+		if (usr != null) {
+			return isFriend(usr);
+		}
+		return false;
+	}
+
+	public boolean isFriend(GameProfile friend) { return isFriend(friend.getId()); }
+
+	public boolean isFriend(UUID friend) {
+		return this.store.get().contains(friend.toString());
+	}
+
+	public boolean removeFriend(GameProfile friend) {
+		if (this.store.get().contains(friend.getId().toString())) {
+			this.store.get().remove(friend.getId().toString());
+			this.store.save();
+			return true;
+		}
+		return false;
+	}
+
+	public boolean addFriend(GameProfile friend) {
+		if (!this.store.get().contains(friend.getId().toString())) {
+			ArrayList<String> botch = Lists.newArrayList(this.store.get());
+			botch.add(friend.getId().toString());
+			this.store.set((List<? extends String>) botch);
+			this.store.save();
+			return true;
+		}
+		return false;
+	}
+
+}
+