Properly update PlayerInventory owner when they come online

Closes #5

src/main/java/com/lishid/openinv/OpenInv.java

@@ -165,15 +165,6 @@ public class OpenInv extends JavaPlugin {
         return getConfig().getBoolean("NotifyAnyChest", true);
     }
 
-    public boolean getPlayerItemOpenInvStatus(OfflinePlayer player) {
-        return getConfig().getBoolean("ItemOpenInv." + getPlayerLoader().getPlayerDataID(player) + ".toggle", false);
-    }
-
-    public void setPlayerItemOpenInvStatus(OfflinePlayer player, boolean status) {
-        getConfig().set("ItemOpenInv." + getPlayerLoader().getPlayerDataID(player) + ".toggle", status);
-        saveConfig();
-    }
-
     public boolean getPlayerSilentChestStatus(OfflinePlayer player) {
         return getConfig().getBoolean("SilentChest." + getPlayerLoader().getPlayerDataID(player) + ".toggle", false);
     }

src/main/java/com/lishid/openinv/OpenInvPlayerListener.java

@@ -27,6 +27,7 @@ import org.bukkit.event.block.Action;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.scheduler.BukkitRunnable;
 
 import com.lishid.openinv.internal.ISpecialEnderChest;
 import com.lishid.openinv.internal.ISpecialPlayerInventory;
@@ -39,20 +40,26 @@ public class OpenInvPlayerListener implements Listener {
         this.plugin = plugin;
     }
 
-    @EventHandler(priority = EventPriority.LOWEST)
+    @EventHandler(priority = EventPriority.MONITOR)
-    public void onPlayerJoin(PlayerJoinEvent event) {
+    public void onPlayerJoin(final PlayerJoinEvent event) {
+        new BukkitRunnable() {
+            @Override
+            public void run() {
+                if (!event.getPlayer().isOnline()) {
+                    return;
+                }
                 ISpecialPlayerInventory inventory = plugin.getInventoryFor(event.getPlayer());
-
                 if (inventory != null) {
                     inventory.setPlayerOnline(event.getPlayer());
+                    event.getPlayer().updateInventory();
                 }
-
                 ISpecialEnderChest chest = plugin.getEnderChestFor(event.getPlayer());
-
                 if (chest != null) {
                     chest.setPlayerOnline(event.getPlayer());
                 }
             }
+        }.runTask(plugin);
+    }
 
     @EventHandler(priority = EventPriority.MONITOR)
     public void onPlayerQuit(PlayerQuitEvent event) {

src/main/java/com/lishid/openinv/internal/v1_9_R1/SpecialPlayerInventory.java

@@ -49,17 +49,30 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
     private void setItemArrays(PlayerInventory inventory, ItemStack[] items, ItemStack[] armor,
             ItemStack[] extraSlots) {
         try {
-            Field field = inventory.getClass().getField("items");
+            // Prepare to remove final modifier
             Field modifiers = Field.class.getDeclaredField("modifiers");
             modifiers.setAccessible(true);
+
+            // Access and replace main inventory array
+            Field field = PlayerInventory.class.getField("items");
             modifiers.setInt(field, field.getModifiers() & ~Modifier.FINAL);
             field.set(inventory, items);
-            field = inventory.getClass().getField("armor");
+
+            // Access and replace armor inventory array
+            field = PlayerInventory.class.getField("armor");
             modifiers.setInt(field, field.getModifiers() & ~Modifier.FINAL);
             field.set(inventory, armor);
-            field = inventory.getClass().getField("extraSlots");
+
+            // Access and replace offhand inventory array
+            field = PlayerInventory.class.getField("extraSlots");
             modifiers.setInt(field, field.getModifiers() & ~Modifier.FINAL);
             field.set(inventory, extraSlots);
+
+            // Access and replace array containing all inventory arrays
+            field = PlayerInventory.class.getDeclaredField("g");
+            field.setAccessible(true);
+            modifiers.setInt(field, field.getModifiers() & ~Modifier.FINAL);
+            field.set(inventory, new ItemStack[][] { items, armor, extraSlots });
         } catch (NoSuchFieldException e) {
             // Unable to set final fields to item arrays, we're screwed. Noisily fail.
             e.printStackTrace();
@@ -84,9 +97,10 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
     @Override
     public void setPlayerOnline(Player player) {
         if (!playerOnline) {
-            CraftPlayer p = (CraftPlayer) player;
+            owner = (CraftPlayer) player;
-            setItemArrays(p.getHandle().inventory, items, armor, extraSlots);
+            this.player = owner.getHandle();
-            p.saveData();
+            setItemArrays(this.player.inventory, items, armor, extraSlots);
+            owner.saveData();
             playerOnline = true;
         }
     }