Temporary turnaround

- Fixed Minecart Contraption Item's initial orientation being incorrect inconsistent in certain situations

src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/Contraption.java

@@ -239,8 +239,7 @@ public abstract class Contraption {
 				continue;
 			}
 			subContraption.removeBlocksFromWorld(world, BlockPos.ZERO);
-			OrientedContraptionEntity movedContraption =
-				OrientedContraptionEntity.create(world, subContraption, Optional.of(face));
+			OrientedContraptionEntity movedContraption = OrientedContraptionEntity.create(world, subContraption, face);
 			BlockPos anchor = blockFace.getConnectedPos();
 			movedContraption.setPosition(anchor.getX() + .5f, anchor.getY(), anchor.getZ() + .5f);
 			world.addEntity(movedContraption);

src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/OrientedContraptionEntity.java

@@ -85,17 +85,17 @@ public class OrientedContraptionEntity extends AbstractContraptionEntity {
 	}
 
 	public static OrientedContraptionEntity create(World world, Contraption contraption,
-		Optional<Direction> initialOrientation) {
+		Direction initialOrientation) {
 		OrientedContraptionEntity entity =
 			new OrientedContraptionEntity(AllEntityTypes.ORIENTED_CONTRAPTION.get(), world);
 		entity.setContraption(contraption);
-		initialOrientation.ifPresent(entity::setInitialOrientation);
+		entity.setInitialOrientation(initialOrientation);
 		entity.startAtInitialYaw();
 		return entity;
 	}
 
 	public static OrientedContraptionEntity createAtYaw(World world, Contraption contraption,
-		Optional<Direction> initialOrientation, float initialYaw) {
+		Direction initialOrientation, float initialYaw) {
 		OrientedContraptionEntity entity = create(world, contraption, initialOrientation);
 		entity.startAtYaw(initialYaw);
 		entity.manuallyPlaced = true;

src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/mounted/CartAssemblerBlock.java

@@ -2,8 +2,6 @@ package com.simibubi.create.content.contraptions.components.structureMovement.mo
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Optional;
-import java.util.UUID;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
@@ -11,21 +9,12 @@ import javax.annotation.Nullable;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllShapes;
 import com.simibubi.create.AllTileEntities;
-import com.simibubi.create.content.contraptions.components.structureMovement.AssemblyException;
-import com.simibubi.create.content.contraptions.components.structureMovement.OrientedContraptionEntity;
-import com.simibubi.create.content.contraptions.components.structureMovement.mounted.CartAssemblerTileEntity.CartMovementMode;
-import com.simibubi.create.content.contraptions.components.structureMovement.train.CouplingHandler;
-import com.simibubi.create.content.contraptions.components.structureMovement.train.capability.CapabilityMinecartController;
-import com.simibubi.create.content.contraptions.components.structureMovement.train.capability.MinecartController;
 import com.simibubi.create.content.contraptions.components.tracks.ControllerRailBlock;
 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.content.schematics.ItemRequirement.ItemUseType;
 import com.simibubi.create.foundation.block.ITE;
-import com.simibubi.create.foundation.utility.Couple;
-import com.simibubi.create.foundation.utility.Iterate;
-import com.simibubi.create.foundation.utility.VecHelper;
 
 import net.minecraft.block.AbstractRailBlock;
 import net.minecraft.block.Block;
@@ -41,7 +30,6 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.item.ItemUseContext;
 import net.minecraft.loot.LootContext;
 import net.minecraft.loot.LootParameters;
-import net.minecraft.nbt.CompoundNBT;
 import net.minecraft.pathfinding.PathType;
 import net.minecraft.state.BooleanProperty;
 import net.minecraft.state.EnumProperty;
@@ -60,17 +48,14 @@ import net.minecraft.util.SoundCategory;
 import net.minecraft.util.SoundEvents;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.BlockRayTraceResult;
-import net.minecraft.util.math.MathHelper;
 import net.minecraft.util.math.shapes.ISelectionContext;
 import net.minecraft.util.math.shapes.VoxelShape;
 import net.minecraft.util.math.shapes.VoxelShapes;
 import net.minecraft.util.math.vector.Vector3d;
-import net.minecraft.util.math.vector.Vector3i;
 import net.minecraft.world.IBlockReader;
 import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 import net.minecraft.world.server.ServerWorld;
-import net.minecraftforge.common.util.LazyOptional;
 
 public class CartAssemblerBlock extends AbstractRailBlock
 	implements ITE<CartAssemblerTileEntity>, IWrenchable, ISpecialBlockItemRequirement {

src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/mounted/CartAssemblerTileEntity.java

@@ -1,10 +1,7 @@
 package com.simibubi.create.content.contraptions.components.structureMovement.mounted;
 
-import java.util.HashSet;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.Optional;
-import java.util.Set;
 import java.util.UUID;
 
 import com.simibubi.create.AllBlocks;
@@ -27,10 +24,15 @@ import com.simibubi.create.foundation.utility.Iterate;
 import com.simibubi.create.foundation.utility.Lang;
 import com.simibubi.create.foundation.utility.VecHelper;
 
+import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.item.minecart.AbstractMinecartEntity;
 import net.minecraft.entity.item.minecart.FurnaceMinecartEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.item.Items;
 import net.minecraft.nbt.CompoundNBT;
 import net.minecraft.state.properties.RailShape;
 import net.minecraft.tileentity.TileEntityType;
@@ -42,7 +44,11 @@ import net.minecraft.util.math.vector.Vector3d;
 import net.minecraft.util.math.vector.Vector3i;
 import net.minecraft.world.World;
 import net.minecraftforge.common.util.LazyOptional;
+import net.minecraftforge.event.entity.player.PlayerInteractEvent;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.common.Mod.EventBusSubscriber;
 
+@EventBusSubscriber
 public class CartAssemblerTileEntity extends SmartTileEntity implements IDisplayAssemblyExceptions {
 	private static final int assemblyCooldown = 8;
 
@@ -51,6 +57,7 @@ public class CartAssemblerTileEntity extends SmartTileEntity implements IDisplay
 	protected AssemblyException lastException;
 
 	protected AbstractMinecartEntity cartToAssemble;
+	protected Direction cartInitialOrientation = Direction.NORTH;
 
 	public CartAssemblerTileEntity(TileEntityType<? extends CartAssemblerTileEntity> type) {
 		super(type);
@@ -140,8 +147,8 @@ public class CartAssemblerTileEntity extends SmartTileEntity implements IDisplay
 		}
 
 		boolean couplingFound = contraption.connectedCart != null;
-		Optional<Direction> initialOrientation = cart.getMotion()
-				.length() < 1 / 512f ? Optional.empty() : Optional.of(cart.getAdjustedHorizontalFacing());
+		Direction initialOrientation = cart.getMotion()
+				.length() < 1 / 512f ? cartInitialOrientation : cart.getAdjustedHorizontalFacing();
 
 		if (couplingFound) {
 			cart.setPosition(pos.getX() + .5f, pos.getY(), pos.getZ() + .5f);
@@ -155,9 +162,8 @@ public class CartAssemblerTileEntity extends SmartTileEntity implements IDisplay
 		contraption.expandBoundsAroundAxis(Axis.Y);
 
 		if (couplingFound) {
-			Vector3d diff = contraption.connectedCart.getPositionVec()
-					.subtract(cart.getPositionVec());
-			initialOrientation = Optional.of(Direction.fromAngle(MathHelper.atan2(diff.z, diff.x) * 180 / Math.PI));
+			Vector3d diff = contraption.connectedCart.getPositionVec().subtract(cart.getPositionVec());
+			initialOrientation = Direction.fromAngle(MathHelper.atan2(diff.z, diff.x) * 180 / Math.PI);
 		}
 
 		OrientedContraptionEntity entity = OrientedContraptionEntity.create(world, contraption, initialOrientation);
@@ -314,4 +320,27 @@ public class CartAssemblerTileEntity extends SmartTileEntity implements IDisplay
 	public boolean isMinecartUpdateValid() {
 		return ticksSinceMinecartUpdate >= assemblyCooldown;
 	}
+
+	// TODO: Remove these methods once we give Cart Assemblers directionality
+	protected void setCartInitialOrientation(Direction direction) {
+		cartInitialOrientation = direction;
+	}
+	@SubscribeEvent
+	public static void getOrientationOfStationaryCart(PlayerInteractEvent.RightClickBlock event) {
+		PlayerEntity player = event.getPlayer();
+		if (player == null)
+			return;
+
+		Item item = event.getItemStack().getItem();
+		if (item != Items.MINECART && item != Items.CHEST_MINECART && item != Items.FURNACE_MINECART)
+			return;
+		Block block = event.getWorld().getBlockState(event.getPos()).getBlock();
+		if (!(block instanceof CartAssemblerBlock))
+			return;
+		CartAssemblerTileEntity te = ((CartAssemblerBlock) block).getTileEntity(event.getWorld(), event.getPos());
+		if (te == null)
+			return;
+
+		te.setCartInitialOrientation(player.getHorizontalFacing());
+	}
 }

src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/mounted/MinecartContraptionItem.java

@@ -173,10 +173,7 @@ public class MinecartContraptionItem extends Item {
 		if (tag.contains("Contraption")) {
 			CompoundNBT contraptionTag = tag.getCompound("Contraption");
 
-			Optional<Direction> intialOrientation = Optional.empty();
-			if (contraptionTag.contains("InitialOrientation"))
-				intialOrientation =
-					Optional.of(NBTHelper.readEnum(contraptionTag, "InitialOrientation", Direction.class));
+			Direction intialOrientation = NBTHelper.readEnum(contraptionTag, "InitialOrientation", Direction.class);
 
 			Contraption mountedContraption = Contraption.fromNBT(world, contraptionTag, false);
 			OrientedContraptionEntity contraptionEntity =
@@ -287,7 +284,6 @@ public class MinecartContraptionItem extends Item {
 		tag.remove("Pos");
 		tag.remove("Motion");
 
-		if (entity.isInitialOrientationPresent())
 		NBTHelper.writeEnum(tag, "InitialOrientation", entity.getInitialOrientation());
 
 		stack.getOrCreateTag()