PaperMC/Remapped-Spigot-Server-Patches/0309-Fix-SpongeAbsortEvent-handling.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Sat, 10 Nov 2018 05:15:21 +0000
Subject: [PATCH] Fix SpongeAbsortEvent handling

Only process drops when the block is actually going to be removed

diff --git a/src/main/java/net/minecraft/world/level/block/Block.java b/src/main/java/net/minecraft/world/level/block/Block.java
index 9d2e4adddae481735053c64eec0ee7259c61f1a4..fca5d175cbef24fb0ee2d0bbedc8d1c0af3eb528 100644
--- a/src/main/java/net/minecraft/world/level/block/Block.java
+++ b/src/main/java/net/minecraft/world/level/block/Block.java
@@ -228,6 +228,7 @@ public class Block extends BlockBehaviour implements ItemLike {
 
     }
 
+    public static void dropNaturally(BlockState iblockdata, LevelAccessor generatoraccess, BlockPos blockposition, @Nullable BlockEntity tileentity) { dropResources(iblockdata, generatoraccess, blockposition, tileentity); }
     public static void dropResources(BlockState state, LevelAccessor world, BlockPos pos, @Nullable BlockEntity blockEntity) {
         if (world instanceof ServerLevel) {
             getDrops(state, (ServerLevel) world, pos, blockEntity).forEach((itemstack) -> {
diff --git a/src/main/java/net/minecraft/world/level/block/SpongeBlock.java b/src/main/java/net/minecraft/world/level/block/SpongeBlock.java
index c453963ec90cd4eeec845fd0c2137e60dfdd6225..1895c75deee8da40624ba3abbd08ba7cd4f0f503 100644
--- a/src/main/java/net/minecraft/world/level/block/SpongeBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/SpongeBlock.java
@@ -128,8 +128,11 @@ public class SpongeBlock extends Block {
                         // NOP
                     } else if (material == Material.WATER_PLANT || material == Material.REPLACEABLE_WATER_PLANT) {
                         BlockEntity tileentity = iblockdata.getBlock().isEntityBlock() ? world.getBlockEntity(blockposition2) : null;
-
-                        dropResources(iblockdata, world, blockposition2, tileentity);
+                        // Paper start
+                        if (block.getHandle().getMaterial() == Material.AIR) {
+                            dropNaturally(iblockdata, world, blockposition2, tileentity);
+                        }
+                        // Paper end
                     }
                 }
                 world.setBlock(blockposition2, block.getHandle(), block.getFlag());