Updated Upstream (Paper)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@d129162 Properly handle BlockBreakEvent#isDropItems (#8936)
PaperMC/Paper@67a1a8c Fix Inventory#getLocation not working for the composter (#9596)
PaperMC/Paper@5b34a09 Add option to disable chorus plant and mushroom block updates (#9442)
PaperMC/Paper@ed8401c Fix rotation for spawning display entities (#9552)
PaperMC/Paper@bd67b83 Determine lava and water fluid explosion resistance by their block explosion resistance (#9482)
PaperMC/Paper@d928dda Don't tab-complete namespaced commands if `send-namespaced` is false (#9366)
PaperMC/Paper@f43a19c Fix CME in CraftPersistentDataTypeRegistry (#6701)
PaperMC/Paper@45ba652 [ci skip] Rebuild patches
PaperMC/Paper@990765b Fire entity death event for ender dragon (#9495)
PaperMC/Paper@1259b93 Fixed CraftItemStack/CraftItemMeta enchantment level inconsistency (#8792)
PaperMC/Paper@88891c3  Add Entity Coordinate and Rotation API (#9461)
PaperMC/Paper@5bf82aa Add cancellability to PlayerTrackEntityEvent (#8605)
PaperMC/Paper@1b96c64 Improve cancelling PreCreatureSpawnEvent with per player mob spawns (#9400)
PaperMC/Paper@7232506 Add entity tracker min Y distance config option (#9406)
PaperMC/Paper@00a68b1 Player listing API (#8782)
PaperMC/Paper@af6142e [ci skip] Update Gradle wrapper
PaperMC/Paper@281855c Remove unused lag-compensate-block-breaking option (#9635)
PaperMC/Paper@35ef053 [ci skip] update editorconfig and gitattributes (#9608)
PaperMC/Paper@97b9c4a Fix NPE on Boat#getStatus (#9115)
PaperMC/Paper@2be57c6 Expand Pose API (#8781)
PaperMC/Paper@b29ecd4 Expose clicked BlockFace during BlockDamageEvent (#9632)
PaperMC/Paper@e3f29f4 MerchantRecipe: add copy constructor (#8703)
PaperMC/Paper@fed9042 More DragonBattle API (#5655)
PaperMC/Paper@27d39ca Properly clone custom nbt tags inside ItemMeta (#7849)
PaperMC/Paper@0c7385b Add PlayerPickItemEvent (#5590)
PaperMC/Paper@9395aa6 Improve performance of mass crafts (#9603)
PaperMC/Paper@7386a13 Fix endgateway teleportation offset (#9517)
PaperMC/Paper@a712766 Allow custom damage for trident (#8132)
PaperMC/Paper@3716832 Prevent overfilled bundles from duplicating items (#9633)
PaperMC/Paper@9cbad8e Expose Hand during BlockCanBuildEvent (#9636)

patches/server/0099-Furnace-uses-lava-from-underneath.patch

@@ -0,0 +1,70 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <Blake.Galbreath@GMail.com>
+Date: Mon, 19 Oct 2020 15:14:01 -0500
+Subject: [PATCH] Furnace uses lava from underneath
+
+
+diff --git a/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
+index 448fa4f4f200430d6ce3051763c7ceb697696146..ca2052804ad829a1528a9c5a0a792275beead113 100644
+--- a/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
++++ b/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
+@@ -44,6 +44,7 @@ import net.minecraft.world.level.Level;
+ import net.minecraft.world.level.block.AbstractFurnaceBlock;
+ import net.minecraft.world.level.block.Blocks;
+ import net.minecraft.world.level.block.state.BlockState;
++import net.minecraft.world.level.material.FluidState;
+ import net.minecraft.world.phys.Vec3;
+ // CraftBukkit start
+ import org.bukkit.craftbukkit.block.CraftBlock;
+@@ -324,6 +325,21 @@ public abstract class AbstractFurnaceBlockEntity extends BaseContainerBlockEntit
+         }
+ 
+         ItemStack itemstack = (ItemStack) blockEntity.items.get(1);
++        // Purpur start
++        boolean usedLavaFromUnderneath = false;
++        if (world.purpurConfig.furnaceUseLavaFromUnderneath && !blockEntity.isLit() && itemstack.isEmpty() && !blockEntity.items.get(0).isEmpty() && world.getGameTime() % 20 == 0) {
++            BlockPos below = blockEntity.getBlockPos().below();
++            BlockState belowState = world.getBlockStateIfLoaded(below);
++            if (belowState != null && belowState.is(Blocks.LAVA)) {
++                FluidState fluidState = belowState.getFluidState();
++                if (fluidState != null && fluidState.isSource()) {
++                    world.setBlock(below, Blocks.AIR.defaultBlockState(), 3);
++                    itemstack = Items.LAVA_BUCKET.getDefaultInstance();
++                    usedLavaFromUnderneath = true;
++                }
++            }
++        }
++        // Purpur end
+         boolean flag2 = !((ItemStack) blockEntity.items.get(0)).isEmpty();
+         boolean flag3 = !itemstack.isEmpty();
+ 
+@@ -409,6 +425,7 @@ public abstract class AbstractFurnaceBlockEntity extends BaseContainerBlockEntit
+             setChanged(world, pos, state);
+         }
+ 
++        if (usedLavaFromUnderneath) blockEntity.items.set(1, ItemStack.EMPTY); // Purpur
+     }
+ 
+     private static boolean canBurn(RegistryAccess registryManager, @Nullable Recipe<?> recipe, NonNullList<ItemStack> slots, int count) {
+diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+index a721eb79dc528ada6a08265bb1f2895c31f0386e..5c478488da15171d70c1b4c01d7ca33698314032 100644
+--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
++++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+@@ -413,6 +413,17 @@ public class PurpurWorldConfig {
+         farmlandGetsMoistFromBelow = getBoolean("blocks.farmland.gets-moist-from-below", farmlandGetsMoistFromBelow);
+     }
+ 
++    public boolean furnaceUseLavaFromUnderneath = false;
++    private void furnaceSettings() {
++        if (PurpurConfig.version < 17) {
++            furnaceUseLavaFromUnderneath = getBoolean("blocks.furnace.infinite-fuel", furnaceUseLavaFromUnderneath);
++            boolean oldValue = getBoolean("blocks.furnace.infinite-fuel", furnaceUseLavaFromUnderneath);
++            set("blocks.furnace.infinite-fuel", null);
++            set("blocks.furnace.use-lava-from-underneath", oldValue);
++        }
++        furnaceUseLavaFromUnderneath = getBoolean("blocks.furnace.use-lava-from-underneath", furnaceUseLavaFromUnderneath);
++    }
++
+     public int lavaInfiniteRequiredSources = 2;
+     public int lavaSpeedNether = 10;
+     public int lavaSpeedNotNether = 30;