Add BlockPreDispenseEvent

paper-api/src/main/java/io/papermc/paper/event/block/BlockPreDispenseEvent.java

@@ -0,0 +1,64 @@
+package io.papermc.paper.event.block;
+
+import org.bukkit.block.Block;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.block.BlockEvent;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class BlockPreDispenseEvent extends BlockEvent implements Cancellable {
+
+    private static final HandlerList HANDLER_LIST = new HandlerList();
+
+    private final ItemStack itemStack;
+    private final int slot;
+
+    private boolean cancelled;
+
+    @ApiStatus.Internal
+    public BlockPreDispenseEvent(final Block block, final ItemStack itemStack, final int slot) {
+        super(block);
+        this.itemStack = itemStack;
+        this.slot = slot;
+    }
+
+    /**
+     * Gets the {@link ItemStack} to be dispensed.
+     *
+     * @return The item to be dispensed
+     */
+    public ItemStack getItemStack() {
+        return this.itemStack;
+    }
+
+    /**
+     * Gets the inventory slot of the dispenser to dispense from.
+     *
+     * @return The inventory slot
+     */
+    public int getSlot() {
+        return this.slot;
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return this.cancelled;
+    }
+
+    @Override
+    public void setCancelled(final boolean cancel) {
+        this.cancelled = cancel;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return HANDLER_LIST;
+    }
+
+    public static HandlerList getHandlerList() {
+        return HANDLER_LIST;
+    }
+}