Fixed the issue where the smart block placer couldn't obtain blueprint previews in a server environment. 修复了26.1服务器环境下智能方块放置器获取不到蓝图预览的问题

src/generated/resources/assets/anvilcraft/blockstates/smart_block_placer.json

@@ -1,64 +1,140 @@
 {
   "variants": {
-    "facing=east,overload=false,powered=false": {
+    "facing=east,overload=false,powered=false,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom",
       "y": 90
     },
-    "facing=east,overload=false,powered=true": {
+    "facing=east,overload=false,powered=false,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom",
+      "x": 180,
+      "y": 270
+    },
+    "facing=east,overload=false,powered=true,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom_off",
       "y": 90
     },
-    "facing=east,overload=true,powered=false": {
+    "facing=east,overload=false,powered=true,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom_off",
+      "x": 180,
+      "y": 270
+    },
+    "facing=east,overload=true,powered=false,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom_overload",
       "y": 90
     },
-    "facing=east,overload=true,powered=true": {
+    "facing=east,overload=true,powered=false,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom_overload",
+      "x": 180,
+      "y": 270
+    },
+    "facing=east,overload=true,powered=true,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom_overload",
       "y": 90
     },
-    "facing=north,overload=false,powered=false": {
+    "facing=east,overload=true,powered=true,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom_overload",
+      "x": 180,
+      "y": 270
+    },
+    "facing=north,overload=false,powered=false,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom"
     },
-    "facing=north,overload=false,powered=true": {
+    "facing=north,overload=false,powered=false,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom",
+      "x": 180,
+      "y": 180
+    },
+    "facing=north,overload=false,powered=true,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom_off"
     },
-    "facing=north,overload=true,powered=false": {
+    "facing=north,overload=false,powered=true,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom_off",
+      "x": 180,
+      "y": 180
+    },
+    "facing=north,overload=true,powered=false,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom_overload"
     },
-    "facing=north,overload=true,powered=true": {
+    "facing=north,overload=true,powered=false,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom_overload",
+      "x": 180,
+      "y": 180
+    },
+    "facing=north,overload=true,powered=true,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom_overload"
     },
-    "facing=south,overload=false,powered=false": {
+    "facing=north,overload=true,powered=true,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom_overload",
+      "x": 180,
+      "y": 180
+    },
+    "facing=south,overload=false,powered=false,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom",
       "y": 180
     },
-    "facing=south,overload=false,powered=true": {
+    "facing=south,overload=false,powered=false,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom",
+      "x": 180
+    },
+    "facing=south,overload=false,powered=true,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom_off",
       "y": 180
     },
-    "facing=south,overload=true,powered=false": {
+    "facing=south,overload=false,powered=true,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom_off",
+      "x": 180
+    },
+    "facing=south,overload=true,powered=false,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom_overload",
       "y": 180
     },
-    "facing=south,overload=true,powered=true": {
+    "facing=south,overload=true,powered=false,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom_overload",
+      "x": 180
+    },
+    "facing=south,overload=true,powered=true,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom_overload",
       "y": 180
     },
-    "facing=west,overload=false,powered=false": {
+    "facing=south,overload=true,powered=true,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom_overload",
+      "x": 180
+    },
+    "facing=west,overload=false,powered=false,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom",
       "y": 270
     },
-    "facing=west,overload=false,powered=true": {
+    "facing=west,overload=false,powered=false,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom",
+      "x": 180,
+      "y": 90
+    },
+    "facing=west,overload=false,powered=true,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom_off",
       "y": 270
     },
-    "facing=west,overload=true,powered=false": {
+    "facing=west,overload=false,powered=true,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom_off",
+      "x": 180,
+      "y": 90
+    },
+    "facing=west,overload=true,powered=false,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom_overload",
       "y": 270
     },
-    "facing=west,overload=true,powered=true": {
+    "facing=west,overload=true,powered=false,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom_overload",
+      "x": 180,
+      "y": 90
+    },
+    "facing=west,overload=true,powered=true,upside_down=false": {
       "model": "anvilcraft:block/smart_block_placer_bottom_overload",
       "y": 270
+    },
+    "facing=west,overload=true,powered=true,upside_down=true": {
+      "model": "anvilcraft:block/smart_block_placer_bottom_overload",
+      "x": 180,
+      "y": 90
     }
   }
 }

src/generated/resources/assets/anvilcraft/blockstates/structure_scanner.json

@@ -1,19 +1,38 @@
 {
   "variants": {
-    "facing=east": {
+    "facing=east,upside_down=false": {
       "model": "anvilcraft:block/structure_scanner",
       "y": 90
     },
-    "facing=north": {
+    "facing=east,upside_down=true": {
+      "model": "anvilcraft:block/structure_scanner",
+      "x": 180,
+      "y": 270
+    },
+    "facing=north,upside_down=false": {
       "model": "anvilcraft:block/structure_scanner"
     },
-    "facing=south": {
+    "facing=north,upside_down=true": {
+      "model": "anvilcraft:block/structure_scanner",
+      "x": 180,
+      "y": 180
+    },
+    "facing=south,upside_down=false": {
       "model": "anvilcraft:block/structure_scanner",
       "y": 180
     },
-    "facing=west": {
+    "facing=south,upside_down=true": {
+      "model": "anvilcraft:block/structure_scanner",
+      "x": 180
+    },
+    "facing=west,upside_down=false": {
       "model": "anvilcraft:block/structure_scanner",
       "y": 270
+    },
+    "facing=west,upside_down=true": {
+      "model": "anvilcraft:block/structure_scanner",
+      "x": 180,
+      "y": 90
     }
   }
 }

src/main/java/dev/dubhe/anvilcraft/block/entity/SmartBlockPlacerBlockEntity.java

@@ -320,12 +320,13 @@ public void loadAdditional(ValueInput input) {
     }
 
     public void loadAdditional(CompoundTag tag, HolderLookup.Provider ignored) {
-        this.loadFromTag(tag);
-        // 旧路径也从CompoundTag加载物品栏（向后兼容）
+        // 先加载物品栏，确保 tryLoadStructure 能正确访问到磁盘物品
+        // 否则 loadFromTag 中加载的 cachedStructure 会被 tryLoadStructure 误判清空
         loadItemsFromTag(tag, this.diskInventory);
         this.lastDiskItem = this.diskInventory.getItem(0).copy();
         loadItemsFromTag(tag, this.bookInventory);
         loadItemsFromTag(tag, this.outputBookInventory);
+        this.loadFromTag(tag);
     }
 
     private void loadFromTag(CompoundTag tag) {
@@ -351,10 +352,12 @@ private void loadFromTag(CompoundTag tag) {
             this.loadedStructure = this.loadStructureData(tag.getCompoundOrEmpty("cachedStructure"));
             this.loadedStructureName = tag.getStringOr("cachedStructureName", "");
             if (tag.contains("cachedStructureUuid")) {
-                this.loadedStructureUuid = UUIDUtil.CODEC.parse(NbtOps.INSTANCE, tag.getCompoundOrEmpty("cachedStructureUuid"))
-                    .result().orElse(null);
+                this.loadedStructureUuid = UUIDUtil.CODEC.parse(
+                    NbtOps.INSTANCE, tag.getCompoundOrEmpty("cachedStructureUuid")
+                ).result().orElse(null);
             }
             this.hasStructureDisk = true;
+            this.hasInvalidStructure = false;
         }
 
         // NBT加载后尝试从磁盘更新结构（如果有磁盘的话）
@@ -1277,13 +1280,22 @@ private void prepareBlueprintModeHeldBlock(Level level, BlockPos pos) {
                     // 可堆叠方块：检查容器中是否有足够的数量
                     int availableCount = this.countBlockItemInContainer(level, pos, requiredBlock);
                     if (availableCount < stackCount) {
-                        // 数量不足，跳过
+                        // 数量不足，停止模式下不前扫
+                        if (!this.isSkipMissingMode) {
+                            this.currentHeldBlock = ItemStack.EMPTY;
+                            return;
+                        }
                         continue;
                     }
                 } else {
                     // 普通方块：检查是否有物品
                     ItemStack blockItem = this.peekSpecificBlockItemFromContainer(level, pos, requiredBlock);
                     if (blockItem.isEmpty()) {
+                        // 停止模式下不前扫
+                        if (!this.isSkipMissingMode) {
+                            this.currentHeldBlock = ItemStack.EMPTY;
+                            return;
+                        }
                         continue;
                     }
                     this.currentHeldBlock = blockItem.copy();
@@ -1340,6 +1352,12 @@ private void prepareBlueprintModeHeldBlock(Level level, BlockPos pos) {
                         return;
                     }
                 }
+
+                // 停止模式：源方块与当前位置不匹配时，不前扫
+                if (!this.isSkipMissingMode) {
+                    this.currentHeldBlock = ItemStack.EMPTY;
+                    return;
+                }
             }
         }
 
@@ -3889,6 +3907,20 @@ public void applySyncDataFromMenu(CompoundTag tag) {
         this.isPickupMode = tag.getBooleanOr("isPickupMode", false);
         this.isSkipMissingMode = tag.getBooleanOr("isSkipMissingMode", false);
         this.loadLayerPositions(tag);
+
+        // 同步结构缓存数据（菜单打开包中包含 cachedStructure），
+        // 用于客户端预览蓝图和结构信息
+        if (tag.contains("cachedStructure")) {
+            this.loadedStructure = this.loadStructureData(tag.getCompoundOrEmpty("cachedStructure"));
+            this.loadedStructureName = tag.getStringOr("cachedStructureName", "");
+            if (tag.contains("cachedStructureUuid")) {
+                this.loadedStructureUuid = UUIDUtil.CODEC.parse(
+                    NbtOps.INSTANCE, tag.getCompoundOrEmpty("cachedStructureUuid")
+                ).result().orElse(null);
+            }
+            this.hasStructureDisk = true;
+            this.hasInvalidStructure = false;
+        }
     }
 
     void loadLayerPositions(CompoundTag tag) {

src/main/java/dev/dubhe/anvilcraft/block/power/consumer/SmartBlockPlacerBlock.java

@@ -56,9 +56,9 @@ public class SmartBlockPlacerBlock extends BetterBaseEntityBlock implements IHam
     private static final VoxelShape SHAPE_EAST = ShapeUtil.rotate(Direction.Axis.Y, 270, SHAPE_NORTH);
 
     // 倒挂状态：使用 Axis.X 旋转 180 度实现 Y 轴翻转
-    private static final VoxelShape SHAPE_NORTH_UPSIDE = ShapeUtil.rotate(Direction.Axis.X, 180, SHAPE_NORTH);
+    private static final VoxelShape SHAPE_NORTH_UPSIDE = ShapeUtil.rotate(Direction.Axis.X, 180, SHAPE_SOUTH);
     private static final VoxelShape SHAPE_WEST_UPSIDE = ShapeUtil.rotate(Direction.Axis.X, 180, SHAPE_WEST);
-    private static final VoxelShape SHAPE_SOUTH_UPSIDE = ShapeUtil.rotate(Direction.Axis.X, 180, SHAPE_SOUTH);
+    private static final VoxelShape SHAPE_SOUTH_UPSIDE = ShapeUtil.rotate(Direction.Axis.X, 180, SHAPE_NORTH);
     private static final VoxelShape SHAPE_EAST_UPSIDE = ShapeUtil.rotate(Direction.Axis.X, 180, SHAPE_EAST);
 
     public SmartBlockPlacerBlock(Properties properties) {

src/main/java/dev/dubhe/anvilcraft/client/gui/screen/SmartBlockPlacerScreen.java

@@ -29,6 +29,7 @@
 import net.minecraft.world.item.Items;
 import net.minecraft.world.level.block.Blocks;
 import net.minecraft.world.level.block.HorizontalDirectionalBlock;
+import net.minecraft.world.level.block.Rotation;
 import net.minecraft.world.level.block.state.BlockState;
 import net.neoforged.neoforge.client.network.ClientPacketDistributor;
 import org.jspecify.annotations.Nullable;
@@ -950,15 +951,22 @@ private LevelLike buildPreviewLevelLike() {
             int placerY = upsideDown ? 4 : 0;
             previewLevelLike.setBlockState(
                 new BlockPos(2, placerY - 2, 7),
-                blockState.getBlock().defaultBlockState()
-                    .setValue(HorizontalDirectionalBlock.FACING, Direction.NORTH)
-                    .setValue(SmartBlockPlacerBlock.UPSIDE_DOWN, upsideDown)
+                blockState.setValue(HorizontalDirectionalBlock.FACING, Direction.NORTH)
             );
 
             var rotatedData = SmartBlockPlacerBlockEntity.rotateStructureDataStatic(structure);
+            int sizeX = structure.diskData.sizeX();
+            int sizeZ = structure.diskData.sizeZ();
             for (var bp : rotatedData.blocks) {
-                int renderY = bp.y();
-                previewLevelLike.setBlockState(new BlockPos(bp.x(), renderY - 2, bp.z() + 1), bp.state());
+                int renderX = upsideDown ? (sizeX - 1 - bp.x()) : bp.x();
+                int renderZ = upsideDown ? (sizeZ - bp.z()) : (bp.z() + 1);
+                int renderY = upsideDown ? (2 - bp.y()) : (bp.y() - 2);
+                BlockState state = bp.state();
+                if (upsideDown) {
+                    state = state.rotate(Rotation.CLOCKWISE_180);
+                    state = SmartBlockPlacerBlockEntity.flipHalfPropertyStatic(state);
+                }
+                previewLevelLike.setBlockState(new BlockPos(renderX, renderY, renderZ), state);
             }
         } else {
             // 普通模式：显示 UI 中的选区模式（不读取世界方块）
@@ -970,9 +978,7 @@ private LevelLike buildPreviewLevelLike() {
             int placerY = upsideDown ? 4 : 0;
             previewLevelLike.setBlockState(
                 new BlockPos(2, placerY - 2, 7),
-                blockState.getBlock().defaultBlockState()
-                    .setValue(HorizontalDirectionalBlock.FACING, Direction.NORTH)
-                    .setValue(SmartBlockPlacerBlock.UPSIDE_DOWN, upsideDown)
+                blockState.setValue(HorizontalDirectionalBlock.FACING, Direction.NORTH)
             );
 
             for (Map.Entry<Integer, Set<Integer>> entry : this.layerPositions.entrySet()) {