PaperMC/Spigot-Server-Patches/0310-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/server/Block.java b/src/main/java/net/minecraft/server/Block.java
index cee4e952c96b9f55c57186ac96aa730e656e1f16..05d9f842a990243c4ec83e62e177c818b5f94e8c 100644
--- a/src/main/java/net/minecraft/server/Block.java
+++ b/src/main/java/net/minecraft/server/Block.java
@@ -189,6 +189,7 @@ public class Block extends BlockBase implements IMaterial {
 
     }
 
+    public static void dropNaturally(IBlockData iblockdata, GeneratorAccess generatoraccess, BlockPosition blockposition, @Nullable TileEntity tileentity) { a(iblockdata, generatoraccess, blockposition, tileentity); }
     public static void a(IBlockData iblockdata, GeneratorAccess generatoraccess, BlockPosition blockposition, @Nullable TileEntity tileentity) {
         if (generatoraccess instanceof WorldServer) {
             a(iblockdata, (WorldServer) generatoraccess, blockposition, tileentity).forEach((itemstack) -> {
diff --git a/src/main/java/net/minecraft/server/BlockSponge.java b/src/main/java/net/minecraft/server/BlockSponge.java
index 4666e3aedc3d614eb38a08bd34f402b24bd1d0b6..7a2130d74e787f82b771d4efa8d3f15804f05940 100644
--- a/src/main/java/net/minecraft/server/BlockSponge.java
+++ b/src/main/java/net/minecraft/server/BlockSponge.java
@@ -116,8 +116,11 @@ public class BlockSponge extends Block {
                         // NOP
                     } else if (material == Material.WATER_PLANT || material == Material.REPLACEABLE_WATER_PLANT) {
                         TileEntity tileentity = iblockdata.getBlock().isTileEntity() ? world.getTileEntity(blockposition2) : null;
-
-                        a(iblockdata, world, blockposition2, tileentity);
+                        // Paper start
+                        if (block.getHandle().getMaterial() == Material.AIR) {
+                            dropNaturally(iblockdata, world, blockposition2, tileentity);
+                        }
+                        // Paper end
                     }
                 }
                 world.setTypeAndData(blockposition2, block.getHandle(), block.getFlag());