feat(block): 改善自定义方块形状和碰撞箱

client-mod/src/main/java/net/momirealms/craftengine/fabric/CraftEngineFabricMod.java

@@ -4,6 +4,8 @@ import net.fabricmc.api.ModInitializer;
 import net.fabricmc.loader.api.FabricLoader;
 import net.minecraft.block.BlockState;
 import net.minecraft.util.Identifier;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.shape.VoxelShape;
 import net.momirealms.craftengine.fabric.client.config.ModConfig;
 import net.momirealms.craftengine.fabric.util.BlockUtils;
 import net.momirealms.craftengine.fabric.util.LoggerFilter;
@@ -37,7 +39,8 @@ public class CraftEngineFabricMod implements ModInitializer {
                     BlockState blockState = YamlUtils.createBlockData("minecraft:" + replacedBlockId.getPath());
                     RegisterBlocks.register(
                             replacedBlockId.getPath() + "_" + i,
-                            BlockUtils.canPassThrough(blockState)
+                            BlockUtils.canPassThrough(blockState),
+                            BlockUtils.getShape(blockState)
                     );
                 }
             }

client-mod/src/main/java/net/momirealms/craftengine/fabric/util/BlockUtils.java

@@ -1,7 +1,12 @@
 package net.momirealms.craftengine.fabric.util;
 
 import net.minecraft.block.AbstractBlock;
+import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.util.shape.VoxelShapes;
+import net.minecraft.world.BlockView;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -43,4 +48,20 @@ public class BlockUtils {
             throw new RuntimeException("Failed to access 'collidable' field", e);
         }
     }
+
+
+    public static VoxelShape getShape(BlockState state) {
+        if (state == null) return VoxelShapes.fullCube();
+        Block block = state.getBlock();
+        VoxelShape combinedShape = VoxelShapes.empty();
+        try {
+            for (BlockState possibleState : block.getStateManager().getStates()) {
+                VoxelShape currentShape = possibleState.getOutlineShape(null, BlockPos.ORIGIN);
+                combinedShape = VoxelShapes.union(combinedShape, currentShape);
+            }
+            return combinedShape.isEmpty() ? VoxelShapes.fullCube() : combinedShape;
+        } catch (Throwable ignored) {
+            return VoxelShapes.fullCube();
+        }
+    }
 }

client-mod/src/main/java/net/momirealms/craftengine/fabric/util/RegisterBlocks.java

@@ -2,21 +2,33 @@ package net.momirealms.craftengine.fabric.util;
 
 import net.minecraft.block.AbstractBlock;
 import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
 import net.minecraft.registry.Registries;
 import net.minecraft.registry.Registry;
 import net.minecraft.registry.RegistryKey;
 import net.minecraft.registry.RegistryKeys;
 import net.minecraft.util.Identifier;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.util.shape.VoxelShapes;
+import net.minecraft.world.BlockView;
 import net.momirealms.craftengine.fabric.CraftEngineFabricMod;
 
 import java.util.function.Function;
 
 public class RegisterBlocks {
     @SuppressWarnings("UnusedReturnValue")
-    public static Block register(String name, boolean canPassThrough) {
+    public static Block register(String name, boolean canPassThrough, VoxelShape outlineShape) {
         AbstractBlock.Settings settings = Block.Settings.create().nonOpaque().strength(-1.0F, 3600000.0F);
-        if (canPassThrough) settings.noCollision();
+        VoxelShape collisionShape;
-        return register(name, Block::new, settings);
+        if (canPassThrough) {
+            collisionShape = VoxelShapes.empty();
+            settings.noCollision();
+        } else {
+            collisionShape = outlineShape;
+        }
+        return register(name, (settingsParam) -> new CustomBlock(settingsParam, outlineShape, collisionShape), settings);
     }
 
     public static Block register(String name, Function<AbstractBlock.Settings, Block> blockFactory, AbstractBlock.Settings settings) {
@@ -31,3 +43,24 @@ public class RegisterBlocks {
     }
 
 }
+
+class CustomBlock extends Block {
+    private final VoxelShape outlineShape;
+    private final VoxelShape collisionShape;
+
+    public CustomBlock(Settings settings, VoxelShape outlineShape, VoxelShape collisionShape) {
+        super(settings);
+        this.outlineShape = outlineShape;
+        this.collisionShape = collisionShape;
+    }
+
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        return this.outlineShape;
+    }
+
+    @Override
+    public VoxelShape getCollisionShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        return this.collisionShape;
+    }
+}