Add TNT countdown timer

README.md

@@ -37,6 +37,7 @@ MBedwarsTweaks offers a large amount extra configuration, here are just a few tw
 - Explosive fall damage multiplier
 - Fireball block break whitelist
 - Fireball throw cool down and effects
+- TNT Countdown Hologram
 
 #### 5. Spawner Configs
 - Prevent spawner pickup when AFK

src/main/java/me/metallicgoat/tweaksaddon/MBedwarsTweaksAddon.java

@@ -66,6 +66,7 @@ public void registerEvents() {
     manager.registerEvents(new FireballBlockBreakWhitelist(), plugin);
     manager.registerEvents(new FireballThrowEffects(), plugin);
     manager.registerEvents(new FireballUseCoolDown(), plugin);
+    manager.registerEvents(new TNTIgniteCountdown(), plugin);
 
     // Messages
     manager.registerEvents(new BuyMessage(), plugin);
@@ -84,6 +85,7 @@ public void registerEvents() {
     manager.registerEvents(new PlayerLimitBypass(), plugin);
     manager.registerEvents(new RemoveInvisOnDamage(), plugin);
     manager.registerEvents(new SpecialItemCooldown(), plugin);
+    //manager.registerEvents(new TieBreaker(), plugin);
 
     // Spawners
     manager.registerEvents(new AFKSpawners(), plugin);

src/main/java/me/metallicgoat/tweaksaddon/config/MainConfig.java

@@ -221,6 +221,15 @@ public class MainConfig {
   public static double tnt_fall_damage_multiplier = 1;
   @Config public static double fireball_fall_damage_multiplier = 1;
 
+  @Config(
+      description = {
+          "If enabled, TNT will display a countdown timer when ignited",
+      }
+  )
+  public static boolean tnt_ignite_timer_enabled = false;
+  @Config public static String tnt_ignite_timer_title = "&c{seconds}";
+
+
   // ===== MESSAGES
   @SectionTitle(title = "MESSAGES")
 
@@ -346,6 +355,7 @@ public class MainConfig {
   @Config public static double lock_team_chest_range = 8;
   @Config public static String lock_team_chest_fail_open = "&cYou cannot open this chest until {team} &chas been eliminated.";
 
+
   // MISCELLANEOUS
   @SectionTitle(title = "MISCELLANEOUS")
 

src/main/java/me/metallicgoat/tweaksaddon/tweaks/explosives/TNTIgniteCountdown.java

@@ -0,0 +1,46 @@
+package me.metallicgoat.tweaksaddon.tweaks.explosives;
+
+import de.marcely.bedwars.api.message.Message;
+import java.text.DecimalFormat;
+import me.metallicgoat.tweaksaddon.MBedwarsTweaksPlugin;
+import me.metallicgoat.tweaksaddon.config.MainConfig;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.TNTPrimed;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.entity.EntitySpawnEvent;
+import org.bukkit.scheduler.BukkitRunnable;
+
+public class TNTIgniteCountdown implements Listener {
+
+  private static final DecimalFormat decimalFormat = new DecimalFormat("0.00");
+
+  // Place a countdown on TNT when it is ignited
+  @EventHandler
+  public void onEntitySpawnEvent(EntitySpawnEvent event) {
+    if (!MainConfig.tnt_ignite_timer_enabled || event.getEntity().getType() != EntityType.PRIMED_TNT)
+      return;
+
+    final TNTPrimed entity = (TNTPrimed) event.getEntity();
+
+    entity.setCustomNameVisible(true);
+
+    final BukkitRunnable runnable = new BukkitRunnable() {
+      @Override
+      public void run() {
+        if (!entity.isValid() || entity.getFuseTicks() <= 0) {
+          cancel();
+          return;
+        }
+
+        // Second to two decimal places
+        final double seconds = ((double) entity.getFuseTicks()) / 20D;
+        final String secondsString = decimalFormat.format(seconds);
+
+        entity.setCustomName(Message.build(MainConfig.tnt_ignite_timer_title).placeholder("seconds", secondsString).done());
+      }
+    };
+
+    runnable.runTaskTimer(MBedwarsTweaksPlugin.getInstance(), 0L, 1L);
+  }
+}