Fixes

src/main/java/io/github/skippyall/minions/Minions.java

@@ -21,10 +21,11 @@ public class Minions implements ModInitializer {
         MinionData.register();
         PolymerEntityUtils.registerType();
         ServerLifecycleEvents.SERVER_STARTED.register(server -> {
+            LOGGER.error("Initializing Minion data");
             MinionPersistentState.create(server);
             MinionPersistentState.INSTANCE.getMinionData().forEach((uuid, data) -> {
                 if(data.isSpawned()) {
-                    MinionFakePlayer.spawnMinion(data, server.getOverworld(), null, null);
+                    MinionFakePlayer.spawnMinion(data, server.getOverworld(), null, null, true);
                 }
             });
         });

src/main/java/io/github/skippyall/minions/command/ListSubcommand.java

@@ -0,0 +1,25 @@
+package io.github.skippyall.minions.command;
+
+import com.mojang.brigadier.builder.LiteralArgumentBuilder;
+import com.mojang.brigadier.context.CommandContext;
+import io.github.skippyall.minions.minion.MinionData;
+import io.github.skippyall.minions.minion.MinionPersistentState;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.text.Text;
+
+import java.util.Collection;
+
+import static net.minecraft.server.command.CommandManager.literal;
+
+public class ListSubcommand {
+    public static final LiteralArgumentBuilder<ServerCommandSource> LIST = literal("list")
+            .executes(ListSubcommand::list);
+
+    public static int list(CommandContext<ServerCommandSource> context) {
+        Collection<MinionData> minions = MinionPersistentState.INSTANCE.getMinionData().values();
+        for (MinionData minion : minions) {
+            context.getSource().sendFeedback(() -> Text.literal(minion.name() + "(" + minion.uuid() + "):" + minion.isSpawned()), false);
+        }
+        return 0;
+    }
+}

src/main/java/io/github/skippyall/minions/command/MinionArgument.java

@@ -1,8 +1,6 @@
 package io.github.skippyall.minions.command;
 
-import com.mojang.brigadier.Message;
 import com.mojang.brigadier.context.CommandContext;
-import com.mojang.brigadier.exceptions.CommandExceptionType;
 import com.mojang.brigadier.exceptions.CommandSyntaxException;
 import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
 import com.mojang.brigadier.suggestion.SuggestionProvider;

src/main/java/io/github/skippyall/minions/command/MinionsCommand.java

@@ -11,6 +11,7 @@ public class MinionsCommand {
                 literal("minions")
                         .then(SpawnSubcommand.SPAWN)
                         .then(MobCapDebugSubcommand.MOB_CAP_DEBUG)
+                        .then(ListSubcommand.LIST)
         );
     }
 

src/main/java/io/github/skippyall/minions/minion/MinionPersistentState.java

@@ -1,16 +1,12 @@
 package io.github.skippyall.minions.minion;
 
 import com.mojang.serialization.Codec;
-import net.minecraft.nbt.NbtCompound;
-import net.minecraft.nbt.NbtElement;
-import net.minecraft.nbt.NbtList;
-import net.minecraft.registry.RegistryWrapper;
+import io.github.skippyall.minions.Minions;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.world.PersistentState;
 import net.minecraft.world.PersistentStateType;
 import net.minecraft.world.World;
 
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -68,6 +64,7 @@ public class MinionPersistentState extends PersistentState {
     }
 
     public static void create(MinecraftServer server) {
+        Minions.LOGGER.error("Creating Minion Persistent state");
         INSTANCE = server.getWorld(World.OVERWORLD).getPersistentStateManager().getOrCreate(TYPE);
     }
 }

src/main/java/io/github/skippyall/minions/mixins/PlayerListMixin.java

@@ -17,7 +17,9 @@ import net.minecraft.server.network.ConnectedClientData;
 import net.minecraft.server.network.ServerPlayNetworkHandler;
 import net.minecraft.server.network.ServerPlayerEntity;
 import net.minecraft.server.world.ServerWorld;
+import net.minecraft.storage.ReadView;
 import net.minecraft.text.Text;
+import net.minecraft.util.ErrorReporter;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
@@ -25,17 +27,18 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
 import java.util.stream.Collectors;
 
 @Mixin(PlayerManager.class)
 public class PlayerListMixin {
 
     @Inject(method = "loadPlayerData", at = @At(value = "RETURN", shift = At.Shift.BEFORE))
-    private void fixStartingPos(ServerPlayerEntity serverPlayerEntity_1, CallbackInfoReturnable<NbtCompound> cir)
+    private void fixStartingPos(ServerPlayerEntity player, ErrorReporter errorReporter, CallbackInfoReturnable<Optional<ReadView>> cir)
     {
-        if (serverPlayerEntity_1 instanceof MinionFakePlayer)
+        if (player instanceof MinionFakePlayer)
         {
-            ((MinionFakePlayer) serverPlayerEntity_1).fixStartingPosition.run();
+            ((MinionFakePlayer) player).fixStartingPosition.run();
         }
     }