Piston head correct pick block behavior

core/src/main/java/org/geysermc/geyser/level/block/Blocks.java

@@ -315,7 +315,7 @@ public final class Blocks {
     public static final Block PISTON = register(new PistonBlock("piston", builder().destroyTime(1.5f).pushReaction(PistonBehavior.BLOCK)
             .booleanState(EXTENDED)
             .enumState(FACING, Direction.NORTH, Direction.EAST, Direction.SOUTH, Direction.WEST, Direction.UP, Direction.DOWN)));
-    public static final Block PISTON_HEAD = register(new Block("piston_head", builder().destroyTime(1.5f).pushReaction(PistonBehavior.BLOCK)
+    public static final Block PISTON_HEAD = register(new PistonHeadBlock("piston_head", builder().destroyTime(1.5f).pushReaction(PistonBehavior.BLOCK)
             .enumState(FACING, Direction.NORTH, Direction.EAST, Direction.SOUTH, Direction.WEST, Direction.UP, Direction.DOWN)
             .booleanState(SHORT)
             .enumState(PISTON_TYPE)));

core/src/main/java/org/geysermc/geyser/level/block/type/PistonHeadBlock.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2024 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.geyser.level.block.type;
+
+import org.geysermc.geyser.level.block.Blocks;
+import org.geysermc.geyser.level.block.property.Properties;
+import org.geysermc.mcprotocollib.protocol.data.game.item.ItemStack;
+
+public class PistonHeadBlock extends Block {
+    public PistonHeadBlock(String javaIdentifier, Builder builder) {
+        super(javaIdentifier, builder);
+    }
+
+    @Override
+    public ItemStack pickItem(BlockState state) {
+        Block block = state.getValue(Properties.PISTON_TYPE).equals("sticky") ? Blocks.STICKY_PISTON : Blocks.PISTON;
+        return new ItemStack(block.asItem().javaId());
+    }
+}