move entity spawning to the server loop to fix C2ME crash

move checkplayers to Data from FileData

src/main/java/one/oth3r/sit/file/FileData.java

@@ -78,23 +78,6 @@ public class FileData {
         return new HashMap<>(sitEntities);
     }
 
-    /**
-     * a list of players who just joined, to check if they are mounted to a Sit! entity
-     */
-    private static final HashMap<ServerPlayerEntity, Integer> checkPlayers = new HashMap<>();
-
-    public static void setCheckPlayer(ServerPlayerEntity player, Integer time) {
-        checkPlayers.put(player, time);
-    }
-
-    public static void removeCheckPlayer(ServerPlayerEntity player) {
-        checkPlayers.remove(player);
-    }
-
-    public static HashMap<ServerPlayerEntity, Integer> getCheckPlayers() {
-        return new HashMap<>(checkPlayers);
-    }
-
     /**
      * loads all config files to memory
      * @param tryLegacy try to load the legacy file, usually only used on server startup

src/main/java/one/oth3r/sit/utl/Data.java

@@ -1,10 +1,14 @@
 package one.oth3r.sit.utl;
 
 import net.fabricmc.loader.api.FabricLoader;
+import net.minecraft.entity.decoration.DisplayEntity;
 import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.network.ServerPlayerEntity;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.HashMap;
+
 public class Data {
     public static final String MOD_ID = "sit-oth3r";
     public static final Logger LOGGER = LoggerFactory.getLogger(MOD_ID);
@@ -61,4 +65,38 @@ public class Data {
     public static void setSupportedServer(boolean supportedServer) {
         Data.supportedServer = supportedServer;
     }
+
+    /**
+     * a list of players who just joined, to check if they are mounted to a Sit! entity
+     */
+    private static final HashMap<ServerPlayerEntity, Integer> checkPlayers = new HashMap<>();
+
+    public static void setCheckPlayer(ServerPlayerEntity player, Integer time) {
+        checkPlayers.put(player, time);
+    }
+
+    public static void removeCheckPlayer(ServerPlayerEntity player) {
+        checkPlayers.remove(player);
+    }
+
+    public static HashMap<ServerPlayerEntity, Integer> getCheckPlayers() {
+        return new HashMap<>(checkPlayers);
+    }
+
+    /**
+     * a list of players who just joined, to check if they are mounted to a Sit! entity
+     */
+    private static final HashMap<ServerPlayerEntity, DisplayEntity.TextDisplayEntity> spawnList = new HashMap<>();
+
+    public static void setSpawnList(ServerPlayerEntity player, DisplayEntity.TextDisplayEntity entity) {
+        spawnList.put(player, entity);
+    }
+
+    public static void removeSpawnList(ServerPlayerEntity player) {
+        spawnList.remove(player);
+    }
+
+    public static HashMap<ServerPlayerEntity, DisplayEntity.TextDisplayEntity> getSpawnList() {
+        return new HashMap<>(spawnList);
+    }
 }

src/main/java/one/oth3r/sit/utl/Events.java

@@ -150,7 +150,7 @@ public class Events {
         // PLAYER JOIN
         ServerPlayConnectionEvents.JOIN.register((handler, sender, server) -> {
             FileData.setPlayerSetting(handler.player, FileData.getSittingConfig());
-            FileData.setCheckPlayer(handler.player, 5);
+            Data.setCheckPlayer(handler.player, 5);
         });
 
         ServerPlayConnectionEvents.DISCONNECT.register((handler, server) -> {

src/main/java/one/oth3r/sit/utl/LoopManager.java

@@ -30,13 +30,13 @@ public class LoopManager {
 
             // get the player's sit entity when they join
             // todo make it so it updates the sitting height and pos based on the block so if it changed while offline it still works (or if stair changes shape)
-            HashMap<ServerPlayerEntity, Integer> checkPlayers = FileData.getCheckPlayers();
+            HashMap<ServerPlayerEntity, Integer> checkPlayers = Data.getCheckPlayers();
             for (ServerPlayerEntity player : checkPlayers.keySet()) {
                 Integer time = checkPlayers.get(player);
                 // tick down or remove the player if at the end
                 time -= 1;
-                if (time <= 0) FileData.removeCheckPlayer(player);
-                else FileData.setCheckPlayer(player, time);
+                if (time <= 0) Data.removeCheckPlayer(player);
+                else Data.setCheckPlayer(player, time);
 
                 if (player.getVehicle() != null) {
                     Entity entity = player.getVehicle();
@@ -46,10 +46,22 @@ public class LoopManager {
                         // check if the player is still allowed to sit
                         Logic.checkSittingValidity(player);
                         // remove the player from the check
-                        FileData.removeCheckPlayer(player);
+                        Data.removeCheckPlayer(player);
                     }
                 }
             }
+
+            HashMap<ServerPlayerEntity, DisplayEntity.TextDisplayEntity> spawnList = Data.getSpawnList();
+            for (ServerPlayerEntity player : spawnList.keySet()) {
+                DisplayEntity.TextDisplayEntity sitEntity = spawnList.get(player);
+
+                player.getServerWorld().spawnEntity(sitEntity);
+                player.startRiding(sitEntity);
+                // add the entity to the list
+                FileData.addSitEntity(player, sitEntity);
+                // remove the entity from the list
+                Data.removeSpawnList(player);
+            }
         }
     }
 }

src/main/java/one/oth3r/sit/utl/Utl.java

@@ -298,10 +298,7 @@ public class Utl {
          * spawns the entity and make the player sit on it
          */
         public static void spawnSit(ServerPlayerEntity player, DisplayEntity.TextDisplayEntity entity) {
-            player.getServerWorld().spawnEntity(entity);
-            player.startRiding(entity);
-            // add the entity to the list
-            FileData.addSitEntity(player, entity);
+            Data.setSpawnList(player, entity);
         }
 
         /**