Sunday's bugs

- Fixed Girder Encased Shafts getting ignored by the Schematicannon
- Fixed Belts not offering a valid item handler until their first tick
- NPE Guard in Funnel-Arm interaction

src/main/java/com/simibubi/create/content/contraptions/relays/belt/BeltTileEntity.java

@@ -183,6 +183,8 @@ public class BeltTileEntity extends KineticTileEntity {
 
 	@Override
 	public <T> LazyOptional<T> getCapability(Capability<T> cap, Direction side) {
+		if (!isRemoved() && !itemHandler.isPresent())
+			initializeItemHandler();
 		if (cap == CapabilityItemHandler.ITEM_HANDLER_CAPABILITY) {
 			if (side == Direction.UP || BeltBlock.canAccessFromSide(side, getBlockState())) {
 				return itemHandler.cast();

src/main/java/com/simibubi/create/content/curiosities/girder/GirderEncasedShaftBlock.java

@@ -8,6 +8,8 @@ import com.simibubi.create.AllTileEntities;
 import com.simibubi.create.content.contraptions.base.HorizontalAxisKineticBlock;
 import com.simibubi.create.content.contraptions.base.KineticTileEntity;
 import com.simibubi.create.content.contraptions.wrench.IWrenchable;
+import com.simibubi.create.content.schematics.ISpecialBlockItemRequirement;
+import com.simibubi.create.content.schematics.ItemRequirement;
 import com.simibubi.create.foundation.block.ITE;
 
 import net.minecraft.core.BlockPos;
@@ -22,6 +24,7 @@ import net.minecraft.world.level.Level;
 import net.minecraft.world.level.LevelAccessor;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.SimpleWaterloggedBlock;
+import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.block.state.StateDefinition.Builder;
@@ -34,7 +37,7 @@ import net.minecraft.world.phys.shapes.Shapes;
 import net.minecraft.world.phys.shapes.VoxelShape;
 
 public class GirderEncasedShaftBlock extends HorizontalAxisKineticBlock
-	implements ITE<KineticTileEntity>, SimpleWaterloggedBlock, IWrenchable {
+	implements ITE<KineticTileEntity>, SimpleWaterloggedBlock, IWrenchable, ISpecialBlockItemRequirement {
 
 	public static final BooleanProperty TOP = GirderBlock.TOP;
 	public static final BooleanProperty BOTTOM = GirderBlock.BOTTOM;
@@ -123,4 +126,10 @@ public class GirderEncasedShaftBlock extends HorizontalAxisKineticBlock
 		return state.setValue(WATERLOGGED, Boolean.valueOf(ifluidstate.getType() == Fluids.WATER));
 	}
 
+	@Override
+	public ItemRequirement getRequiredItems(BlockState state, BlockEntity te) {
+		return ItemRequirement.of(AllBlocks.SHAFT.getDefaultState(), te)
+			.union(ItemRequirement.of(AllBlocks.METAL_GIRDER.getDefaultState(), te));
+	}
+
 }

src/main/java/com/simibubi/create/content/logistics/block/mechanicalArm/AllArmInteractionPointTypes.java

@@ -34,6 +34,7 @@ import com.simibubi.create.foundation.utility.VecHelper;
 
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
+import net.minecraft.core.Vec3i;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.Containers;
 import net.minecraft.world.InteractionResultHolder;
@@ -501,16 +502,17 @@ public class AllArmInteractionPointTypes {
 
 		@Override
 		protected Vec3 getInteractionPositionVector() {
+			Direction funnelFacing = FunnelBlock.getFunnelFacing(cachedState);
+			Vec3i normal = funnelFacing != null ? funnelFacing.getNormal() : Vec3i.ZERO;
 			return VecHelper.getCenterOf(pos)
-				.add(Vec3.atLowerCornerOf(FunnelBlock.getFunnelFacing(cachedState)
+				.add(Vec3.atLowerCornerOf(normal)
-					.getNormal())
 					.scale(-.15f));
 		}
 
 		@Override
 		protected Direction getInteractionDirection() {
-			return FunnelBlock.getFunnelFacing(cachedState)
+			Direction funnelFacing = FunnelBlock.getFunnelFacing(cachedState);
-				.getOpposite();
+			return funnelFacing != null ? funnelFacing.getOpposite() : Direction.UP;
 		}
 
 		@Override