From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Byteflux <byte@byteflux.net>
Date: Tue, 1 Mar 2016 14:14:15 -0600
Subject: [PATCH] Drop falling block and tnt entities at the specified height

Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>

diff --git a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
index 66c0b74a41cb9e7403826b4fd54a8575d6f16faa..ee5ef4fe16ce6397bba30900b9c6690e3c4f51e6 100644
--- a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
+++ b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
@@ -142,6 +142,16 @@ public class FallingBlockEntity extends Entity {
             }
 
             this.move(MoverType.SELF, this.getDeltaMovement());
+            // Paper start - Configurable falling blocks height nerf
+            if (this.level().paperConfig().fixes.fallingBlockHeightNerf.test(v -> this.getY() > v)) {
+                if (this.dropItem && this.level().getGameRules().getBoolean(GameRules.RULE_DOENTITYDROPS)) {
+                    this.spawnAtLocation(block);
+                }
+
+                this.discard();
+                return;
+            }
+            // Paper end - Configurable falling blocks height nerf
             if (!this.level().isClientSide) {
                 BlockPos blockposition = this.blockPosition();
                 boolean flag = this.blockState.getBlock() instanceof ConcretePowderBlock;
diff --git a/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
index 36d93ee421406302c05945db17d46b04b485e4c0..19e2f2005bd1fb4d199debd34e92a0794a3d3fe4 100644
--- a/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
+++ b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
@@ -77,6 +77,12 @@ public class PrimedTnt extends Entity implements TraceableEntity {
         }
 
         this.move(MoverType.SELF, this.getDeltaMovement());
+        // Paper start - Configurable TNT height nerf
+        if (this.level().paperConfig().fixes.tntEntityHeightNerf.test(v -> this.getY() > v)) {
+            this.discard();
+            return;
+        }
+        // Paper end - Configurable TNT height nerf
         this.setDeltaMovement(this.getDeltaMovement().scale(0.98D));
         if (this.onGround()) {
             this.setDeltaMovement(this.getDeltaMovement().multiply(0.7D, -0.5D, 0.7D));
diff --git a/src/main/java/net/minecraft/world/entity/vehicle/MinecartTNT.java b/src/main/java/net/minecraft/world/entity/vehicle/MinecartTNT.java
index 0fc58f38bbd855414ad36b682e60b069d7b68cb1..48f531da21fa0305ab1e8d5b50276e61e3155a38 100644
--- a/src/main/java/net/minecraft/world/entity/vehicle/MinecartTNT.java
+++ b/src/main/java/net/minecraft/world/entity/vehicle/MinecartTNT.java
@@ -53,6 +53,12 @@ public class MinecartTNT extends AbstractMinecart {
     public void tick() {
         super.tick();
         if (this.fuse > 0) {
+            // Paper start - Configurable TNT height nerf
+            if (this.level().paperConfig().fixes.tntEntityHeightNerf.test(v -> this.getY() > v)) {
+                this.discard();
+                return;
+            }
+            // Paper end - Configurable TNT height nerf
             --this.fuse;
             this.level().addParticle(ParticleTypes.SMOKE, this.getX(), this.getY() + 0.5D, this.getZ(), 0.0D, 0.0D, 0.0D);
         } else if (this.fuse == 0) {