Paper/patches/api/0309-Add-BlockBreakBlockEvent.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Sun, 3 Jan 2021 17:58:25 -0800
Subject: [PATCH] Add BlockBreakBlockEvent


diff --git a/src/main/java/io/papermc/paper/event/block/BlockBreakBlockEvent.java b/src/main/java/io/papermc/paper/event/block/BlockBreakBlockEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..4f7535daf0d9967fadb0c6f8afbd3993eace410d
--- /dev/null
+++ b/src/main/java/io/papermc/paper/event/block/BlockBreakBlockEvent.java
@@ -0,0 +1,61 @@
+package io.papermc.paper.event.block;
+
+import org.bukkit.block.Block;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.block.BlockExpEvent;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+/**
+ * Called when a block forces another block to break and drop items.
+ * <p>
+ * Currently called for piston's and liquid flows.
+ */
+public class BlockBreakBlockEvent extends BlockExpEvent {
+
+    private static final HandlerList HANDLER_LIST = new HandlerList();
+
+    private final Block source;
+    private final List<ItemStack> drops;
+
+    @ApiStatus.Internal
+    public BlockBreakBlockEvent(@NotNull Block block, @NotNull Block source, @NotNull List<ItemStack> drops) {
+        super(block, 0);
+        this.source = source;
+        this.drops = drops;
+    }
+
+    /**
+     * Gets the drops of this event
+     *
+     * @return the drops
+     */
+    @NotNull
+    public List<ItemStack> getDrops() {
+        return this.drops;
+    }
+
+    /**
+     * Gets the block that cause this (e.g. a piston, or adjacent liquid)
+     *
+     * @return the source
+     */
+    @NotNull
+    public Block getSource() {
+        return this.source;
+    }
+
+    @NotNull
+    @Override
+    public HandlerList getHandlers() {
+        return HANDLER_LIST;
+    }
+
+    @NotNull
+    public static HandlerList getHandlerList() {
+        return HANDLER_LIST;
+    }
+}