feat: Add /pronouns unset command

src/main/java/io/github/ashisbored/playerpronouns/PlayerPronouns.java

@@ -16,6 +16,7 @@ import net.minecraft.util.Identifier;
 import net.minecraft.util.WorldSavePath;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import org.jetbrains.annotations.Nullable;
 
 import java.io.IOException;
 import java.nio.file.Files;
@@ -103,7 +104,7 @@ public class PlayerPronouns implements ModInitializer {
         pronounDatabase.save(playerData.resolve("pronouns.dat"));
     }
 
-    public static boolean setPronouns(ServerPlayerEntity player, Pronouns pronouns) {
+    public static boolean setPronouns(ServerPlayerEntity player, @Nullable Pronouns pronouns) {
         if (pronounDatabase == null) return false;
 
         pronounDatabase.put(player.getUuid(), pronouns);

src/main/java/io/github/ashisbored/playerpronouns/command/PronounsCommand.java

@@ -56,6 +56,17 @@ public class PronounsCommand {
                             ctx.getSource().sendFeedback(new LiteralText("Reloaded the config!").formatted(Formatting.GREEN), true);
                             return Command.SINGLE_SUCCESS;
                         })
+                ).then(literal("unset")
+                        .executes(ctx -> {
+                            ServerPlayerEntity player = ctx.getSource().getPlayer();
+                            if (!PlayerPronouns.setPronouns(player, null)) {
+                                ctx.getSource().sendError(new LiteralText("Failed to update pronouns, sorry"));
+                            } else {
+                                ctx.getSource().sendFeedback(new LiteralText("Cleared your pronouns!")
+                                        .formatted(Formatting.GREEN), false);
+                            }
+                            return Command.SINGLE_SUCCESS;
+                        })
                 )
         );
     }

src/main/java/io/github/ashisbored/playerpronouns/data/PalettePronounDatabase.java

@@ -36,8 +36,12 @@ public class PalettePronounDatabase implements PronounDatabase {
     }
 
     @Override
-    public void put(UUID player, Pronouns pronouns) {
+    public void put(UUID player, @Nullable Pronouns pronouns) {
-        this.data.put(player, pronouns);
+        if (pronouns == null) {
+            this.data.remove(player);
+        } else {
+            this.data.put(player, pronouns);
+        }
     }
 
     @Override

src/main/java/io/github/ashisbored/playerpronouns/data/PronounDatabase.java

@@ -11,7 +11,7 @@ import java.nio.file.Path;
 import java.util.UUID;
 
 public interface PronounDatabase {
-    void put(UUID player, Pronouns pronouns);
+    void put(UUID player, @Nullable Pronouns pronouns);
     @Nullable Pronouns get(UUID player);
     void save(Path path) throws IOException;