spigot/CraftBukkit-Patches/0092-Limit-TNT-Detonations-per-tick.patch

From 5c8fcbcd28970f06ee7da4c7726460749fb67673 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 20 Aug 2014 18:12:32 -0400
Subject: [PATCH] Limit TNT Detonations per tick

This gives a per-world control on how much TNT will be processed per-tick,
preventing a massive TNT detonation from lagging out the server.

diff --git a/src/main/java/net/minecraft/server/EntityTNTPrimed.java b/src/main/java/net/minecraft/server/EntityTNTPrimed.java
index 84e3f7155..ba86a0734 100644
--- a/src/main/java/net/minecraft/server/EntityTNTPrimed.java
+++ b/src/main/java/net/minecraft/server/EntityTNTPrimed.java
@@ -48,6 +48,7 @@ public class EntityTNTPrimed extends Entity {
 
     @Override
     public void tick() {
+        if (world.spigotConfig.currentPrimedTnt++ > world.spigotConfig.maxTntTicksPerTick) { return; } // Spigot
         this.lastX = this.locX;
         this.lastY = this.locY;
         this.lastZ = this.locZ;
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index bc70732ca..5d5844377 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -723,6 +723,7 @@ public abstract class World implements IIBlockAccess, GeneratorAccess, AutoClose
 
         timings.tileEntityPending.stopTiming(); // Spigot
         gameprofilerfiller.exit();
+        spigotConfig.currentPrimedTnt = 0; // Spigot
     }
 
     public void a(Consumer<Entity> consumer, Entity entity) {
diff --git a/src/main/java/org/spigotmc/SpigotWorldConfig.java b/src/main/java/org/spigotmc/SpigotWorldConfig.java
index 3f275e2cc..48700dc67 100644
--- a/src/main/java/org/spigotmc/SpigotWorldConfig.java
+++ b/src/main/java/org/spigotmc/SpigotWorldConfig.java
@@ -297,4 +297,15 @@ public class SpigotWorldConfig
         sprintMultiplier = (float) getDouble( "hunger.sprint-multiplier", 0.1 );
         otherMultiplier = (float) getDouble( "hunger.other-multiplier", 0.0 );
     }
+
+    public int currentPrimedTnt = 0;
+    public int maxTntTicksPerTick;
+    private void maxTntPerTick() {
+        if ( SpigotConfig.version < 7 )
+        {
+            set( "max-tnt-per-tick", 100 );
+        }
+        maxTntTicksPerTick = getInt( "max-tnt-per-tick", 100 );
+        log( "Max TNT Explosions: " + maxTntTicksPerTick );
+    }
 }
-- 
2.20.1