Wrench usage and Smart Cogwheel Placement

- Wrench can now be used properly on most kinetic components
- Cogwheels now offset their placement to correct locations automatically
- Hand cranks have to be attached to a block now
- Mixer and Press can no longer be placed directly above a basin

src/main/java/com/simibubi/create/modules/contraptions/base/DirectionalAxisKineticBlock.java

@@ -3,11 +3,14 @@ package com.simibubi.create.modules.contraptions.base;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.item.BlockItemUseContext;
+import net.minecraft.item.ItemUseContext;
 import net.minecraft.state.BooleanProperty;
 import net.minecraft.state.StateContainer.Builder;
+import net.minecraft.util.ActionResultType;
 import net.minecraft.util.Direction;
 import net.minecraft.util.Direction.Axis;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 
 public abstract class DirectionalAxisKineticBlock extends DirectionalKineticBlock {
@@ -82,6 +85,23 @@ public abstract class DirectionalAxisKineticBlock extends DirectionalKineticBloc
 		return this.getDefaultState().with(FACING, facing).with(AXIS_ALONG_FIRST_COORDINATE, alongFirst);
 	}
 
+	@Override
+	public ActionResultType onWrenched(BlockState state, ItemUseContext context) {
+		World world = context.getWorld();
+		Direction face = context.getFace();
+		if ((turnBackOnWrenched() ? face.getOpposite() : face) == state.get(FACING)) {
+			if (!world.isRemote) {
+				BlockPos pos = context.getPos();
+				world.removeTileEntity(pos);
+				world.setBlockState(pos, state.cycle(AXIS_ALONG_FIRST_COORDINATE), 3);
+				KineticTileEntity tileEntity = (KineticTileEntity) world.getTileEntity(pos);
+				tileEntity.attachKinetics();
+			}
+			return ActionResultType.SUCCESS;
+		}
+		return super.onWrenched(state, context);
+	}
+
 	@Override
 	public Axis getRotationAxis(BlockState state) {
 		Axis pistonAxis = state.get(FACING).getAxis();
@@ -98,7 +118,7 @@ public abstract class DirectionalAxisKineticBlock extends DirectionalKineticBloc
 	}
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return face.getAxis() == getRotationAxis(state);
 	}
 

src/main/java/com/simibubi/create/modules/contraptions/base/DirectionalKineticBlock.java

@@ -3,12 +3,16 @@ package com.simibubi.create.modules.contraptions.base;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.item.BlockItemUseContext;
+import net.minecraft.item.ItemUseContext;
 import net.minecraft.state.DirectionProperty;
 import net.minecraft.state.StateContainer.Builder;
 import net.minecraft.state.properties.BlockStateProperties;
+import net.minecraft.util.ActionResultType;
 import net.minecraft.util.Direction;
 import net.minecraft.util.Mirror;
 import net.minecraft.util.Rotation;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
 
 public abstract class DirectionalKineticBlock extends KineticBlock {
 
@@ -42,6 +46,31 @@ public abstract class DirectionalKineticBlock extends KineticBlock {
 		return prefferedSide;
 	}
 
+	@Override
+	public ActionResultType onWrenched(BlockState state, ItemUseContext context) {
+		Direction facing = turnBackOnWrenched() ? context.getFace().getOpposite() : context.getFace();
+		World world = context.getWorld();
+		if (facing == state.get(FACING))
+			return ActionResultType.PASS;
+
+		BlockState with = state.with(FACING, facing);
+		if (!with.isValidPosition(world, context.getPos()))
+			return ActionResultType.PASS;
+
+		if (!world.isRemote) {
+			BlockPos pos = context.getPos();
+			world.removeTileEntity(pos);
+			world.setBlockState(pos, with, 3);
+			KineticTileEntity tileEntity = (KineticTileEntity) world.getTileEntity(pos);
+			tileEntity.attachKinetics();
+		}
+		return ActionResultType.SUCCESS;
+	}
+
+	protected boolean turnBackOnWrenched() {
+		return false;
+	}
+
 	@Override
 	public BlockState getStateForPlacement(BlockItemUseContext context) {
 		Direction preferred = getPreferredFacing(context);

src/main/java/com/simibubi/create/modules/contraptions/base/HorizontalKineticBlock.java

@@ -3,12 +3,16 @@ package com.simibubi.create.modules.contraptions.base;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.item.BlockItemUseContext;
+import net.minecraft.item.ItemUseContext;
 import net.minecraft.state.IProperty;
 import net.minecraft.state.StateContainer.Builder;
 import net.minecraft.state.properties.BlockStateProperties;
+import net.minecraft.util.ActionResultType;
 import net.minecraft.util.Direction;
 import net.minecraft.util.Mirror;
 import net.minecraft.util.Rotation;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
 
 public abstract class HorizontalKineticBlock extends KineticBlock {
 
@@ -49,6 +53,24 @@ public abstract class HorizontalKineticBlock extends KineticBlock {
 		return prefferedSide;
 	}
 
+	@Override
+	public ActionResultType onWrenched(BlockState state, ItemUseContext context) {
+		Direction facing = context.getFace();
+		if (facing.getAxis().isVertical())
+			return ActionResultType.PASS;
+		World world = context.getWorld();
+		if (facing == state.get(HORIZONTAL_FACING))
+			return ActionResultType.PASS;
+		if (!world.isRemote) {
+			BlockPos pos = context.getPos();
+			world.removeTileEntity(pos);
+			world.setBlockState(pos, state.with(HORIZONTAL_FACING, facing), 3);
+			KineticTileEntity tileEntity = (KineticTileEntity) world.getTileEntity(pos);
+			tileEntity.attachKinetics();
+		}
+		return ActionResultType.SUCCESS;
+	}
+
 	@Override
 	public BlockState rotate(BlockState state, Rotation rot) {
 		return state.with(HORIZONTAL_FACING, rot.rotate(state.get(HORIZONTAL_FACING)));

src/main/java/com/simibubi/create/modules/contraptions/base/IRotate.java

@@ -8,7 +8,7 @@ import net.minecraft.util.Direction;
 import net.minecraft.util.Direction.Axis;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.text.TextFormatting;
-import net.minecraft.world.World;
+import net.minecraft.world.IWorldReader;
 
 public interface IRotate extends IWrenchable {
 
@@ -61,9 +61,9 @@ public interface IRotate extends IWrenchable {
 		}
 	}
 
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face);
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face);
 
-	public boolean hasCogsTowards(World world, BlockPos pos, BlockState state, Direction face);
+	public boolean hasCogsTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face);
 
 	public Axis getRotationAxis(BlockState state);
 

src/main/java/com/simibubi/create/modules/contraptions/base/KineticBlock.java

@@ -16,6 +16,7 @@ import net.minecraft.util.Direction.Axis;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.IBlockReader;
 import net.minecraft.world.IWorld;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 import net.minecraftforge.common.ToolType;
 
@@ -49,12 +50,12 @@ public abstract class KineticBlock extends Block implements IRotate {
 	// IRotate
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return false;
 	}
 
 	@Override
-	public boolean hasCogsTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasCogsTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return false;
 	}
 

src/main/java/com/simibubi/create/modules/contraptions/components/actors/DrillBlock.java

@@ -26,6 +26,7 @@ import net.minecraft.util.math.Vec3d;
 import net.minecraft.util.math.shapes.ISelectionContext;
 import net.minecraft.util.math.shapes.VoxelShape;
 import net.minecraft.world.IBlockReader;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 import net.minecraft.world.server.ServerWorld;
 import net.minecraftforge.api.distmarker.Dist;
@@ -65,7 +66,7 @@ public class DrillBlock extends DirectionalKineticBlock
 	}
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return face == state.get(FACING).getOpposite();
 	}
 

src/main/java/com/simibubi/create/modules/contraptions/components/contraptions/bearing/MechanicalBearingBlock.java

@@ -11,6 +11,7 @@ import net.minecraft.util.Direction;
 import net.minecraft.util.Direction.Axis;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.IBlockReader;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 
 public class MechanicalBearingBlock extends DirectionalKineticBlock
@@ -35,7 +36,7 @@ public class MechanicalBearingBlock extends DirectionalKineticBlock
 	}
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return face == state.get(FACING).getOpposite();
 	}
 
@@ -44,6 +45,11 @@ public class MechanicalBearingBlock extends DirectionalKineticBlock
 		return true;
 	}
 
+	@Override
+	protected boolean turnBackOnWrenched() {
+		return true;
+	}
+
 	@Override
 	public Axis getRotationAxis(BlockState state) {
 		return state.get(FACING).getAxis();

src/main/java/com/simibubi/create/modules/contraptions/components/contraptions/piston/MechanicalPistonBlock.java

@@ -10,11 +10,13 @@ import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.block.Blocks;
 import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.ItemUseContext;
 import net.minecraft.particles.ParticleTypes;
 import net.minecraft.state.EnumProperty;
 import net.minecraft.state.StateContainer.Builder;
 import net.minecraft.state.properties.BlockStateProperties;
 import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.ActionResultType;
 import net.minecraft.util.Direction;
 import net.minecraft.util.Hand;
 import net.minecraft.util.IStringSerializable;
@@ -84,6 +86,18 @@ public class MechanicalPistonBlock extends DirectionalAxisKineticBlock {
 		return true;
 	}
 
+	@Override
+	public ActionResultType onWrenched(BlockState state, ItemUseContext context) {
+		if (state.get(STATE) != PistonState.RETRACTED)
+			return ActionResultType.PASS;
+		return super.onWrenched(state, context);
+	}
+
+	@Override
+	protected boolean turnBackOnWrenched() {
+		return true;
+	}
+
 	public enum PistonState implements IStringSerializable {
 		RETRACTED, MOVING, EXTENDED;
 

src/main/java/com/simibubi/create/modules/contraptions/components/crafter/MechanicalCrafterBlock.java

@@ -33,6 +33,7 @@ import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.BlockRayTraceResult;
 import net.minecraft.util.math.Vec3d;
 import net.minecraft.world.IBlockReader;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 import net.minecraftforge.items.ItemHandlerHelper;
 
@@ -62,7 +63,7 @@ public class MechanicalCrafterBlock extends HorizontalKineticBlock
 	}
 
 	@Override
-	public boolean hasCogsTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasCogsTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return state.get(HORIZONTAL_FACING).getAxis() != face.getAxis();
 	}
 

src/main/java/com/simibubi/create/modules/contraptions/components/crank/HandCrankBlock.java

@@ -5,8 +5,10 @@ import com.simibubi.create.foundation.block.IWithTileEntity;
 import com.simibubi.create.foundation.utility.AllShapes;
 import com.simibubi.create.modules.contraptions.base.DirectionalKineticBlock;
 
+import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.BlockItemUseContext;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.Direction;
 import net.minecraft.util.Direction.Axis;
@@ -16,6 +18,7 @@ import net.minecraft.util.math.BlockRayTraceResult;
 import net.minecraft.util.math.shapes.ISelectionContext;
 import net.minecraft.util.math.shapes.VoxelShape;
 import net.minecraft.world.IBlockReader;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 
 public class HandCrankBlock extends DirectionalKineticBlock implements IWithTileEntity<HandCrankTileEntity> {
@@ -41,6 +44,37 @@ public class HandCrankBlock extends DirectionalKineticBlock implements IWithTile
 		return true;
 	}
 
+	@Override
+	public BlockState getStateForPlacement(BlockItemUseContext context) {
+		Direction preferred = getPreferredFacing(context);
+		if (preferred == null || context.isPlacerSneaking())
+			return getDefaultState().with(FACING, context.getFace());
+		return getDefaultState().with(FACING, preferred.getOpposite());
+	}
+
+	@Override
+	public boolean isValidPosition(BlockState state, IWorldReader worldIn, BlockPos pos) {
+		Direction facing = state.get(FACING).getOpposite();
+		BlockPos neighbourPos = pos.offset(facing);
+		BlockState neighbour = worldIn.getBlockState(neighbourPos);
+		return !neighbour.getCollisionShape(worldIn, neighbourPos).isEmpty();
+	}
+
+	@Override
+	public void neighborChanged(BlockState state, World worldIn, BlockPos pos, Block blockIn, BlockPos fromPos,
+			boolean isMoving) {
+		if (worldIn.isRemote)
+			return;
+
+		Direction blockFacing = state.get(FACING);
+		if (fromPos.equals(pos.offset(blockFacing.getOpposite()))) {
+			if (!isValidPosition(state, worldIn, pos)) {
+				worldIn.destroyBlock(pos, true);
+				return;
+			}
+		}
+	}
+
 	@Override
 	public TileEntity createTileEntity(BlockState state, IBlockReader world) {
 		return new HandCrankTileEntity();
@@ -52,7 +86,7 @@ public class HandCrankBlock extends DirectionalKineticBlock implements IWithTile
 	}
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return face == state.get(FACING).getOpposite();
 	}
 

src/main/java/com/simibubi/create/modules/contraptions/components/crusher/CrushingWheelBlock.java

@@ -145,7 +145,7 @@ public class CrushingWheelBlock extends RotatedPillarKineticBlock {
 	}
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return face.getAxis() == state.get(AXIS);
 	}
 

src/main/java/com/simibubi/create/modules/contraptions/components/fan/EncasedFanBlock.java

@@ -14,6 +14,7 @@ import net.minecraft.util.Direction.Axis;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.IBlockReader;
 import net.minecraft.world.IWorld;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 
 public class EncasedFanBlock extends DirectionalKineticBlock implements IWithTileEntity<EncasedFanTileEntity> {
@@ -74,7 +75,7 @@ public class EncasedFanBlock extends DirectionalKineticBlock implements IWithTil
 	}
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return face == state.get(FACING).getOpposite();
 	}
 	

src/main/java/com/simibubi/create/modules/contraptions/components/mixer/BasinOperatorBlockItem.java

@@ -0,0 +1,33 @@
+package com.simibubi.create.modules.contraptions.components.mixer;
+
+import com.simibubi.create.AllBlocks;
+
+import net.minecraft.block.BlockState;
+import net.minecraft.item.BlockItem;
+import net.minecraft.item.BlockItemUseContext;
+import net.minecraft.util.ActionResultType;
+import net.minecraft.util.Direction;
+import net.minecraft.util.math.BlockPos;
+
+public class BasinOperatorBlockItem extends BlockItem {
+
+	public BasinOperatorBlockItem(AllBlocks block, Properties builder) {
+		super(block.get(), builder);
+	}
+
+	@Override
+	public ActionResultType tryPlace(BlockItemUseContext context) {
+
+		BlockPos placedOnPos = context.getPos().offset(context.getFace().getOpposite());
+		BlockState placedOnState = context.getWorld().getBlockState(placedOnPos);
+		if (AllBlocks.BASIN.typeOf(placedOnState)) {
+			if (context.getWorld().getBlockState(placedOnPos.up(2)).getMaterial().isReplaceable())
+				context = BlockItemUseContext.func_221536_a(context, placedOnPos.up(2), Direction.UP);
+			else
+				return ActionResultType.FAIL;
+		}
+
+		return super.tryPlace(context);
+	}
+
+}

src/main/java/com/simibubi/create/modules/contraptions/components/mixer/MechanicalMixerBlock.java

@@ -12,9 +12,7 @@ import net.minecraft.block.BlockState;
 import net.minecraft.block.Blocks;
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.BlockItem;
-import net.minecraft.item.BlockItemUseContext;
 import net.minecraft.tileentity.TileEntity;
-import net.minecraft.util.ActionResultType;
 import net.minecraft.util.BlockRenderLayer;
 import net.minecraft.util.Direction;
 import net.minecraft.util.Direction.Axis;
@@ -24,7 +22,7 @@ import net.minecraft.util.math.shapes.ISelectionContext;
 import net.minecraft.util.math.shapes.VoxelShape;
 import net.minecraft.world.IBlockReader;
 import net.minecraft.world.IWorld;
-import net.minecraft.world.World;
+import net.minecraft.world.IWorldReader;
 
 public class MechanicalMixerBlock extends KineticBlock
 		implements IWithTileEntity<MechanicalMixerTileEntity>, IHaveScrollableValue, IHaveCustomBlockItem {
@@ -45,6 +43,11 @@ public class MechanicalMixerBlock extends KineticBlock
 		return true;
 	}
 	
+	@Override
+	public boolean isValidPosition(BlockState state, IWorldReader worldIn, BlockPos pos) {
+		return !AllBlocks.BASIN.typeOf(worldIn.getBlockState(pos.down()));
+	}
+
 	@Override
 	public VoxelShape getShape(BlockState state, IBlockReader worldIn, BlockPos pos, ISelectionContext context) {
 		if (context.getEntity() instanceof PlayerEntity)
@@ -64,38 +67,15 @@ public class MechanicalMixerBlock extends KineticBlock
 	}
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return false;
 	}
 
 	@Override
-	public boolean hasCogsTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasCogsTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return face.getAxis().isHorizontal();
 	}
 
-	public static class MechanicalMixerBlockItem extends BlockItem {
-
-		public MechanicalMixerBlockItem(Properties builder) {
-			super(AllBlocks.MECHANICAL_MIXER.get(), builder);
-		}
-
-		@Override
-		public ActionResultType tryPlace(BlockItemUseContext context) {
-
-			BlockPos placedOnPos = context.getPos().offset(context.getFace().getOpposite());
-			BlockState placedOnState = context.getWorld().getBlockState(placedOnPos);
-			if (AllBlocks.BASIN.typeOf(placedOnState)) {
-				if (context.getWorld().getBlockState(placedOnPos.up(2)).getMaterial().isReplaceable())
-					context = BlockItemUseContext.func_221536_a(context, placedOnPos.up(2), Direction.UP);
-				else
-					return ActionResultType.FAIL;
-			}
-
-			return super.tryPlace(context);
-		}
-
-	}
-
 	@Override
 	public String getValueName(BlockState state, IWorld world, BlockPos pos) {
 		return Lang.translate("mechanical_mixer.min_ingredients");
@@ -156,7 +136,7 @@ public class MechanicalMixerBlock extends KineticBlock
 
 	@Override
 	public BlockItem getCustomItem(net.minecraft.item.Item.Properties properties) {
-		return new MechanicalMixerBlockItem(properties);
+		return new BasinOperatorBlockItem(AllBlocks.MECHANICAL_MIXER, properties);
 	}
 
 }

src/main/java/com/simibubi/create/modules/contraptions/components/motor/MotorBlock.java

@@ -18,7 +18,7 @@ import net.minecraft.util.math.shapes.ISelectionContext;
 import net.minecraft.util.math.shapes.VoxelShape;
 import net.minecraft.world.IBlockReader;
 import net.minecraft.world.IWorld;
-import net.minecraft.world.World;
+import net.minecraft.world.IWorldReader;
 
 public class MotorBlock extends HorizontalKineticBlock
 		implements IWithTileEntity<MotorTileEntity>, IHaveScrollableValue {
@@ -50,7 +50,7 @@ public class MotorBlock extends HorizontalKineticBlock
 	// IRotate:
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return face == state.get(HORIZONTAL_FACING);
 	}
 

src/main/java/com/simibubi/create/modules/contraptions/components/press/MechanicalPressBlock.java

@@ -5,12 +5,14 @@ import java.util.List;
 import java.util.Optional;
 
 import com.simibubi.create.AllBlocks;
+import com.simibubi.create.foundation.block.IHaveCustomBlockItem;
 import com.simibubi.create.foundation.block.IRenderUtilityBlock;
 import com.simibubi.create.foundation.block.IWithTileEntity;
 import com.simibubi.create.foundation.block.SyncedTileEntity;
 import com.simibubi.create.foundation.item.ItemHelper;
 import com.simibubi.create.foundation.utility.AllShapes;
 import com.simibubi.create.modules.contraptions.base.HorizontalKineticBlock;
+import com.simibubi.create.modules.contraptions.components.mixer.BasinOperatorBlockItem;
 import com.simibubi.create.modules.contraptions.components.press.MechanicalPressTileEntity.Mode;
 import com.simibubi.create.modules.contraptions.relays.belt.AllBeltAttachments.BeltAttachmentState;
 import com.simibubi.create.modules.contraptions.relays.belt.AllBeltAttachments.IBeltAttachment;
@@ -24,6 +26,7 @@ import net.minecraft.block.BlockState;
 import net.minecraft.block.Blocks;
 import net.minecraft.block.HorizontalBlock;
 import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.BlockItem;
 import net.minecraft.item.BlockItemUseContext;
 import net.minecraft.item.ItemStack;
 import net.minecraft.state.StateContainer.Builder;
@@ -35,10 +38,11 @@ import net.minecraft.util.math.shapes.ISelectionContext;
 import net.minecraft.util.math.shapes.VoxelShape;
 import net.minecraft.world.IBlockReader;
 import net.minecraft.world.IWorld;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 
 public class MechanicalPressBlock extends HorizontalKineticBlock
-		implements IWithTileEntity<MechanicalPressTileEntity>, IBeltAttachment {
+		implements IWithTileEntity<MechanicalPressTileEntity>, IBeltAttachment, IHaveCustomBlockItem {
 
 	public MechanicalPressBlock() {
 		super(Properties.from(Blocks.PISTON));
@@ -52,6 +56,11 @@ public class MechanicalPressBlock extends HorizontalKineticBlock
 		return AllShapes.MECHANICAL_PROCESSOR_SHAPE;
 	}
 
+	@Override
+	public boolean isValidPosition(BlockState state, IWorldReader worldIn, BlockPos pos) {
+		return !AllBlocks.BASIN.typeOf(worldIn.getBlockState(pos.down()));
+	}
+
 	@Override
 	public void neighborChanged(BlockState state, World worldIn, BlockPos pos, Block blockIn, BlockPos fromPos,
 			boolean isMoving) {
@@ -89,7 +98,7 @@ public class MechanicalPressBlock extends HorizontalKineticBlock
 	}
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return face.getAxis() == state.get(HORIZONTAL_FACING).getAxis();
 	}
 
@@ -193,4 +202,9 @@ public class MechanicalPressBlock extends HorizontalKineticBlock
 		}
 	}
 	
+	@Override
+	public BlockItem getCustomItem(net.minecraft.item.Item.Properties properties) {
+		return new BasinOperatorBlockItem(AllBlocks.MECHANICAL_PRESS, properties);
+	}
+
 }

src/main/java/com/simibubi/create/modules/contraptions/components/saw/SawBlock.java

@@ -26,6 +26,7 @@ import net.minecraft.util.math.MathHelper;
 import net.minecraft.util.math.shapes.ISelectionContext;
 import net.minecraft.util.math.shapes.VoxelShape;
 import net.minecraft.world.IBlockReader;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 
 public class SawBlock extends DirectionalAxisKineticBlock
@@ -112,7 +113,7 @@ public class SawBlock extends DirectionalAxisKineticBlock
 	}
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return isHorizontal(state) ? face == state.get(FACING).getOpposite()
 				: super.hasShaftTowards(world, pos, state, face);
 	}

src/main/java/com/simibubi/create/modules/contraptions/components/turntable/TurntableBlock.java

@@ -19,6 +19,7 @@ import net.minecraft.util.math.Vec3d;
 import net.minecraft.util.math.shapes.ISelectionContext;
 import net.minecraft.util.math.shapes.VoxelShape;
 import net.minecraft.world.IBlockReader;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 
 public class TurntableBlock extends KineticBlock {
@@ -85,7 +86,7 @@ public class TurntableBlock extends KineticBlock {
 	// IRotate:
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return face == Direction.DOWN;
 	}
 

src/main/java/com/simibubi/create/modules/contraptions/components/waterwheel/WaterWheelBlock.java

@@ -125,7 +125,7 @@ public class WaterWheelBlock extends HorizontalKineticBlock {
 	}
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return state.get(HORIZONTAL_FACING).getAxis() == face.getAxis();
 	}
 

src/main/java/com/simibubi/create/modules/contraptions/relays/belt/BeltBlock.java

@@ -46,6 +46,7 @@ import net.minecraft.util.math.shapes.ISelectionContext;
 import net.minecraft.util.math.shapes.VoxelShape;
 import net.minecraft.util.math.shapes.VoxelShapes;
 import net.minecraft.world.IBlockReader;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 import net.minecraftforge.common.Tags;
 import net.minecraftforge.items.CapabilityItemHandler;
@@ -63,7 +64,7 @@ public class BeltBlock extends HorizontalKineticBlock implements IHaveNoBlockIte
 	}
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		if (face.getAxis() != getRotationAxis(state))
 			return false;
 		BeltTileEntity beltEntity = (BeltTileEntity) world.getTileEntity(pos);

src/main/java/com/simibubi/create/modules/contraptions/relays/elementary/CogWheelBlock.java

@@ -1,25 +1,27 @@
 package com.simibubi.create.modules.contraptions.relays.elementary;
 
 import com.simibubi.create.AllBlocks;
+import com.simibubi.create.foundation.block.IHaveCustomBlockItem;
 import com.simibubi.create.foundation.utility.AllShapes;
 import com.simibubi.create.modules.contraptions.base.IRotate;
 
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.block.Blocks;
+import net.minecraft.item.BlockItem;
 import net.minecraft.item.BlockItemUseContext;
 import net.minecraft.item.ItemGroup;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.Direction;
 import net.minecraft.util.NonNullList;
+import net.minecraft.util.Direction.Axis;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.shapes.ISelectionContext;
 import net.minecraft.util.math.shapes.VoxelShape;
 import net.minecraft.world.IBlockReader;
 import net.minecraft.world.IWorldReader;
-import net.minecraft.world.World;
 
-public class CogWheelBlock extends ShaftBlock {
+public class CogWheelBlock extends ShaftBlock implements IHaveCustomBlockItem {
 
 	private boolean isLarge;
 
@@ -53,8 +55,12 @@ public class CogWheelBlock extends ShaftBlock {
 		Block block = placedAgainst.getBlock();
 
 		if (!(block instanceof IRotate) || !(((IRotate) block).hasCogsTowards(context.getWorld(), placedOnPos,
-				placedAgainst, context.getFace())))
+				placedAgainst, context.getFace()))) {
-			return super.getStateForPlacement(context);
+			Axis preferredAxis = getPreferredAxis(context);
+			if (preferredAxis != null)
+				return this.getDefaultState().with(AXIS, preferredAxis);
+			return this.getDefaultState().with(AXIS, context.getFace().getAxis());
+		}
 
 		return getDefaultState().with(AXIS, ((IRotate) block).getRotationAxis(placedAgainst));
 	}
@@ -76,8 +82,13 @@ public class CogWheelBlock extends ShaftBlock {
 	// IRotate
 
 	@Override
-	public boolean hasCogsTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasCogsTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return !isLarge && face.getAxis() != state.get(AXIS);
 	}
 
+	@Override
+	public BlockItem getCustomItem(net.minecraft.item.Item.Properties properties) {
+		return new CogwheelBlockItem(this, properties, isLarge);
+	}
+
 }

src/main/java/com/simibubi/create/modules/contraptions/relays/elementary/CogwheelBlockItem.java

@@ -0,0 +1,71 @@
+package com.simibubi.create.modules.contraptions.relays.elementary;
+
+import com.simibubi.create.AllBlocks;
+import com.simibubi.create.foundation.utility.Debug;
+import com.simibubi.create.foundation.utility.VecHelper;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.item.BlockItem;
+import net.minecraft.item.BlockItemUseContext;
+import net.minecraft.util.ActionResultType;
+import net.minecraft.util.Direction;
+import net.minecraft.util.Direction.Axis;
+import net.minecraft.util.Direction.AxisDirection;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Vec3d;
+
+public class CogwheelBlockItem extends BlockItem {
+
+	boolean large;
+
+	public CogwheelBlockItem(Block block, Properties builder, boolean isLarge) {
+		super(block, builder);
+		large = isLarge;
+	}
+
+	@Override
+	public ActionResultType tryPlace(BlockItemUseContext context) {
+		Direction face = context.getFace();
+		BlockPos placedOnPos = context.getPos().offset(face.getOpposite());
+		BlockState placedOnState = context.getWorld().getBlockState(placedOnPos);
+
+		if (!(placedOnState.getBlock() instanceof CogWheelBlock))
+			return super.tryPlace(context);
+		if (face.getAxis() == placedOnState.get(CogWheelBlock.AXIS))
+			return super.tryPlace(context);
+
+		boolean placedOnLarge = AllBlocks.LARGE_COGWHEEL.typeOf(placedOnState);
+		if (placedOnLarge || large) {
+
+			boolean largeOnLarge = placedOnLarge && large;
+			Axis offsetAxis = Axis.X;
+			for (Axis axis : Axis.values()) {
+				if (placedOnState.get(CogWheelBlock.AXIS) == axis)
+					continue;
+				if (axis == face.getAxis())
+					continue;
+				offsetAxis = axis;
+			}
+
+			if (largeOnLarge)
+				offsetAxis = placedOnState.get(CogWheelBlock.AXIS);
+
+			Vec3d hitVec = context.getHitVec().subtract(VecHelper.getCenterOf(placedOnPos));
+			hitVec = hitVec
+					.mul(new Vec3d(Direction.getFacingFromAxis(AxisDirection.POSITIVE, offsetAxis).getDirectionVec()));
+
+			BlockPos correctPos = context.getPos().add(Math.signum(hitVec.x), Math.signum(hitVec.y),
+					Math.signum(hitVec.z));
+
+			if (context.getWorld().getBlockState(correctPos).getMaterial().isReplaceable())
+				context = BlockItemUseContext.func_221536_a(context, correctPos, largeOnLarge ? face
+						: Direction.getFacingFromAxis(AxisDirection.POSITIVE, placedOnState.get(CogWheelBlock.AXIS)));
+			else
+				return ActionResultType.FAIL;
+		}
+
+		return super.tryPlace(context);
+	}
+
+}

src/main/java/com/simibubi/create/modules/contraptions/relays/elementary/ShaftBlock.java

@@ -15,7 +15,7 @@ import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.shapes.ISelectionContext;
 import net.minecraft.util.math.shapes.VoxelShape;
 import net.minecraft.world.IBlockReader;
-import net.minecraft.world.World;
+import net.minecraft.world.IWorldReader;
 
 public class ShaftBlock extends RotatedPillarKineticBlock {
 
@@ -57,7 +57,7 @@ public class ShaftBlock extends RotatedPillarKineticBlock {
 	// IRotate:
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return face.getAxis() == state.get(AXIS);
 	}
 

src/main/java/com/simibubi/create/modules/contraptions/relays/encased/EncasedBeltBlock.java

@@ -7,11 +7,13 @@ import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.block.Blocks;
 import net.minecraft.item.BlockItemUseContext;
+import net.minecraft.item.ItemUseContext;
 import net.minecraft.state.BooleanProperty;
 import net.minecraft.state.EnumProperty;
 import net.minecraft.state.IProperty;
 import net.minecraft.state.StateContainer.Builder;
 import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.ActionResultType;
 import net.minecraft.util.Direction;
 import net.minecraft.util.Direction.Axis;
 import net.minecraft.util.Direction.AxisDirection;
@@ -19,7 +21,7 @@ import net.minecraft.util.IStringSerializable;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.IBlockReader;
 import net.minecraft.world.IWorld;
-import net.minecraft.world.World;
+import net.minecraft.world.IWorldReader;
 
 public class EncasedBeltBlock extends RotatedPillarKineticBlock {
 
@@ -106,7 +108,7 @@ public class EncasedBeltBlock extends RotatedPillarKineticBlock {
 	}
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return face.getAxis() == state.get(AXIS);
 	}
 
@@ -144,6 +146,19 @@ public class EncasedBeltBlock extends RotatedPillarKineticBlock {
 		return new EncasedShaftTileEntity();
 	}
 
+	@Override
+	public ActionResultType onWrenched(BlockState state, ItemUseContext context) {
+		Axis axis = state.get(AXIS);
+		boolean connectionAlongFirst = state.get(CONNECTED_ALONG_FIRST_COORDINATE);
+		Axis connectionAxis = connectionAlongFirst ? (axis == Axis.X ? Axis.Y : Axis.X)
+				: (axis == Axis.Z ? Axis.Y : Axis.Z);
+
+		if (context.getFace().getAxis() == connectionAxis)
+			return ActionResultType.PASS;
+
+		return super.onWrenched(state, context);
+	}
+
 	@Override
 	protected boolean hasStaticPart() {
 		return true;

src/main/java/com/simibubi/create/modules/contraptions/relays/encased/EncasedShaftBlock.java

@@ -11,7 +11,7 @@ import net.minecraft.util.Direction;
 import net.minecraft.util.Direction.Axis;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.IBlockReader;
-import net.minecraft.world.World;
+import net.minecraft.world.IWorldReader;
 
 public class EncasedShaftBlock extends RotatedPillarKineticBlock {
 
@@ -44,7 +44,7 @@ public class EncasedShaftBlock extends RotatedPillarKineticBlock {
 	}
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return face.getAxis() == state.get(AXIS);
 	}
 

src/main/java/com/simibubi/create/modules/contraptions/relays/encased/GearshiftBlock.java

@@ -14,6 +14,7 @@ import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.IBlockReader;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 
 public class GearshiftBlock extends EncasedShaftBlock {
@@ -55,7 +56,7 @@ public class GearshiftBlock extends EncasedShaftBlock {
 		}
 	}
 
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return super.hasShaftTowards(world, pos, state, face);
 	}
 

src/main/java/com/simibubi/create/modules/contraptions/relays/gearbox/GearboxBlock.java

@@ -20,7 +20,7 @@ import net.minecraft.util.NonNullList;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.RayTraceResult;
 import net.minecraft.world.IBlockReader;
-import net.minecraft.world.World;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.storage.loot.LootContext.Builder;
 
 public class GearboxBlock extends RotatedPillarKineticBlock {
@@ -69,7 +69,7 @@ public class GearboxBlock extends RotatedPillarKineticBlock {
 	// IRotate:
 
 	@Override
-	public boolean hasShaftTowards(World world, BlockPos pos, BlockState state, Direction face) {
+	public boolean hasShaftTowards(IWorldReader world, BlockPos pos, BlockState state, Direction face) {
 		return face.getAxis() != state.get(AXIS);
 	}