BauSystem_Main/src/de/steamwar/bausystem/utils/PlaceItemUtils.java

@@ -39,10 +39,47 @@ import org.bukkit.util.RayTraceResult;
 import org.bukkit.util.Vector;
 
 import java.util.*;
+import java.util.stream.Collectors;
 
 @UtilityClass
 public class PlaceItemUtils {
 
+    // https://github.com/Articdive/ArticData/blob/1.20.1/1_20_1_tags/1_20_1_block_tags.json
+    // #minecraft:replaceable
+    private static final Set<String> replaceables;
+
+    static {
+        replaceables = new HashSet<>(Arrays.asList(
+                "minecraft:air",
+                "minecraft:water",
+                "minecraft:lava",
+                "minecraft:grass",
+                "minecraft:fern",
+                "minecraft:dead_bush",
+                "minecraft:seagrass",
+                "minecraft:tall_seagrass",
+                "minecraft:fire",
+                "minecraft:soul_fire",
+                "minecraft:snow",
+                "minecraft:vine",
+                "minecraft:glow_lichen",
+                "minecraft:light",
+                "minecraft:tall_grass",
+                "minecraft:large_fern",
+                "minecraft:structure_void",
+                "minecraft:void_air",
+                "minecraft:cave_air",
+                "minecraft:bubble_column",
+                "minecraft:warped_roots",
+                "minecraft:nether_sprouts",
+                "minecraft:crimson_roots",
+                "minecraft:hanging_roots"))
+                .stream()
+                .map(s -> s.substring(10))
+                .map(String::toUpperCase)
+                .collect(Collectors.toSet());
+    }
+
     private static final Map<Material, Material> ITEM_MATERIAL_TO_BLOCK_MATERIAL = new HashMap<>();
     private static final Map<Material, Material> BLOCK_MATERIAL_TO_WALL_BLOCK_MATERIAL = new HashMap<>();
 
@@ -488,13 +525,8 @@ public class PlaceItemUtils {
 
     private boolean canPlace(Block block, BlockData blockData, boolean force) {
         if (!force && !block.canPlace(blockData)) return false;
-        if (block.getType().name().equals("LIGHT")) return true;
         if (block.getType().isSolid()) return false;
-        if (block.getType() == Material.LADDER) return false;
+        return replaceables.contains(block.getType().name());
-        if (block.getType() == Material.SCAFFOLDING) return false;
-        if (block.getType() == Material.LEVER) return false;
-        if (block.getType().name().endsWith("_BUTTON")) return false;
-        return block.getPistonMoveReaction() == PistonMoveReaction.BREAK || block.isEmpty();
     }
 
     @AllArgsConstructor