Fixed bugs related to joining the server and cooldown

pom.xml

@@ -3,6 +3,11 @@
 	<groupId>pw.kaboom</groupId>
 	<artifactId>Extras</artifactId>
 	<version>master</version>
+	<properties>
+		<maven.compiler.target>1.8</maven.compiler.target>
+		<maven.compiler.source>1.8</maven.compiler.source>
+	</properties>
+
 
 	<dependencies>
 		<dependency>

src/main/java/pw/kaboom/extras/Events.java

@@ -47,6 +47,7 @@ import org.bukkit.entity.Slime;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 
+import org.bukkit.event.block.BlockFromToEvent;
 import org.bukkit.event.block.BlockPhysicsEvent;
 import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.event.block.BlockRedstoneEvent;
@@ -177,15 +178,11 @@ class Events implements Listener {
 
 	@EventHandler
 	void onAsyncPlayerPreLogin(AsyncPlayerPreLoginEvent event) {
-		main.commandMillisList.put(event.getUniqueId(), System.currentTimeMillis());
-		main.interactMillisList.put(event.getUniqueId(), System.currentTimeMillis());
-
 		try {
 			URL nameUrl = new URL("https://api.mojang.com/users/profiles/minecraft/" + event.getName());
 			HttpsURLConnection nameConnection = (HttpsURLConnection) nameUrl.openConnection();
 
 			if (nameConnection.getResponseCode() == HttpsURLConnection.HTTP_OK) {
-				System.out.println("ok");
 				InputStreamReader nameStream = new InputStreamReader(nameConnection.getInputStream());
 				String uuid = new JsonParser().parse(nameStream).getAsJsonObject().get("id").getAsString();
 				main.playerPremiumUUID.put(event.getName(), uuid);
@@ -198,6 +195,16 @@ class Events implements Listener {
 		}
 	}
 
+	@EventHandler
+	void onBlockFromTo(BlockFromToEvent event) {
+		try {
+			event.getBlock().getState();
+			event.getToBlock().getState();
+		} catch (Exception e) {
+			event.setCancelled(true);
+		}
+        }
+
 	@EventHandler
 	void onBlockPhysics(BlockPhysicsEvent event) {
 		Block block = event.getBlock();
@@ -366,6 +373,7 @@ class Events implements Listener {
 	@EventHandler
 	void onEntitySpawn(EntitySpawnEvent event) {
 		Entity entity = event.getEntity();
+		try {
 			Entity[] chunkEntities = event.getLocation().getChunk().getEntities();
 			List<LivingEntity> worldEntities = event.getLocation().getWorld().getLivingEntities();
 			int count = 0;
@@ -399,6 +407,8 @@ class Events implements Listener {
 					event.setCancelled(true);
 				}
 			}
+		} catch (Exception | StackOverflowError e) {
+		}
 
 		if (entity instanceof LivingEntity) {
 			LivingEntity mob = (LivingEntity) entity;
@@ -479,11 +489,9 @@ class Events implements Listener {
 
 	@EventHandler
 	void onItemSpawn(ItemSpawnEvent event) {
-		ItemStack item = event.getEntity().getItemStack();
-
 		try {
-			item.getItemMeta();
+			event.getEntity().getItemStack().getItemMeta();
-		} catch (Exception e) {
+		} catch (Exception | StackOverflowError e) {
 			event.setCancelled(true);
 		}
 	}
@@ -492,13 +500,16 @@ class Events implements Listener {
 	void onPlayerCommandPreprocess(PlayerCommandPreprocessEvent event) {
 		String arr[] = event.getMessage().split(" ");
 		UUID playerUUID = event.getPlayer().getUniqueId();
+
+		if (main.commandMillisList.containsKey(playerUUID)) {
 			long millisDifference = System.currentTimeMillis() - main.commandMillisList.get(playerUUID);
 
 			if (millisDifference < 400) {
 				event.setCancelled(true);
-		} else {
-			main.commandMillisList.put(playerUUID, System.currentTimeMillis());
 			}
+		}
+
+		main.commandMillisList.put(playerUUID, System.currentTimeMillis());
 
 /*		if (arr[0].toLowerCase().equals("/minecraft:blockdata") ||
 		arr[0].toLowerCase().equals("/blockdata")) {
@@ -539,15 +550,18 @@ class Events implements Listener {
 	void onPlayerInteract(PlayerInteractEvent event) {
 		Player player = event.getPlayer();
 		UUID playerUUID = event.getPlayer().getUniqueId();
+
+		if (main.interactMillisList.containsKey(playerUUID)) {
 			long millisDifference = System.currentTimeMillis() - main.interactMillisList.get(playerUUID);
 
 			if (millisDifference < 200) {
 				event.setCancelled(true);
-		} else {
-			main.interactMillisList.put(playerUUID, System.currentTimeMillis());
 			}
 		}
 
+		main.interactMillisList.put(playerUUID, System.currentTimeMillis());
+	}
+
 	@EventHandler
 	void onPlayerJoin(PlayerJoinEvent event) {
 		final Player player = event.getPlayer();
@@ -566,15 +580,13 @@ class Events implements Listener {
 
 	@EventHandler
 	void onPlayerLogin(PlayerLoginEvent event) {
-		final Player player = event.getPlayer();
-
 		if (!(event.getHostname().startsWith("play.kaboom.pw") &&
 		event.getHostname().endsWith(":64518"))) {
 			event.disallow(Result.KICK_OTHER, "You connected to the server using an outdated server address/IP.\nPlease use the following address/IP:\n\nkaboom.pw");
 		} else {
-			event.allow();
+			final Player player = event.getPlayer();
-		}
 
+			event.allow();
 			player.setOp(true);
 
 			if (main.playerPremiumUUID.containsKey(player.getName())) {
@@ -613,6 +625,7 @@ class Events implements Listener {
 				});
 			}
 		}
+	}
 
 	@EventHandler
 	void onPlayerQuit(PlayerQuitEvent event) {

src/main/java/pw/kaboom/extras/Main.java

@@ -19,8 +19,6 @@ import org.bukkit.Bukkit;
 import org.bukkit.Color;
 import org.bukkit.Material;
 
-import org.bukkit.block.BlockFace;
-
 import org.bukkit.entity.Player;
 
 import org.bukkit.plugin.java.JavaPlugin;
@@ -392,7 +390,6 @@ public class Main extends JavaPlugin {
 		Material.BROWN_MUSHROOM,
 		Material.RED_MUSHROOM,
 		Material.FIRE,
-		/*Material.REDSTONE_WIRE,*/
 		Material.CROPS,
 		Material.RAILS,
 		Material.STONE_PLATE,
@@ -419,6 +416,7 @@ public class Main extends JavaPlugin {
 		Material.LADDER,
 		Material.WALL_SIGN,
 		Material.LEVER,
+		Material.REDSTONE_WIRE,
 		Material.REDSTONE_TORCH_OFF,
 		Material.REDSTONE_TORCH_ON,
 		Material.STONE_BUTTON,