From e52409d01b2943d2c83f3d31578c213a1406c192 Mon Sep 17 00:00:00 2001
From: Byteflux <byte@byteflux.net>
Date: Tue, 5 Aug 2014 18:39:57 -0500
Subject: [PATCH] Drop falling block entities that are above the specified


diff --git a/src/main/java/net/minecraft/server/EntityFallingBlock.java b/src/main/java/net/minecraft/server/EntityFallingBlock.java
index df602bd1c..00dcca693 100644
--- a/src/main/java/net/minecraft/server/EntityFallingBlock.java
+++ b/src/main/java/net/minecraft/server/EntityFallingBlock.java
@@ -67,6 +67,17 @@ public class EntityFallingBlock extends Entity {
             ++this.ticksLived;
             this.motY -= 0.03999999910593033D;
             this.move(this.motX, this.motY, this.motZ);
+
+            // PaperSpigot start - Drop falling blocks above the specified height
+            if (this.world.paperSpigotConfig.fallingBlockHeightNerf != 0 && this.locY > this.world.paperSpigotConfig.fallingBlockHeightNerf) {
+                if (this.dropItem) {
+                    this.a(new ItemStack(this.id, 1, this.id.getDropData(this.data)), 0.0F);
+                }
+
+                this.die();
+            }
+            // PaperSpigot end
+
             this.motX *= 0.9800000190734863D;
             this.motY *= 0.9800000190734863D;
             this.motZ *= 0.9800000190734863D;
diff --git a/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java b/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
index ca977bc05..708318dd1 100644
--- a/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
+++ b/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
@@ -154,4 +154,14 @@ public class PaperSpigotWorldConfig
         keepSpawnInMemory = getBoolean( "keep-spawn-loaded", true );
         log( "Keep spawn chunk loaded: " + keepSpawnInMemory );
     }
+
+    public double fallingBlockHeightNerf;
+    private void fallingBlockheightNerf()
+    {
+        // Technically a little disingenuous as it applies to all falling blocks but alas, backwards compat prevails!
+        fallingBlockHeightNerf = getDouble( "tnt-entity-height-nerf", 0 );
+        if (fallingBlockHeightNerf != 0) {
+            log( "TNT/Falling Block Height Limit set to Y: " + fallingBlockHeightNerf);
+        }
+    }
 }
-- 
2.13.3