Merge pull request #1613 from reidbhuntley/schematics-crash

Various bugfixes regarding schematics

src/generated/resources/.cache/cache

@@ -409,19 +409,19 @@ a3a11524cd3515fc01d905767b4b7ea782adaf03 assets/create/blockstates/yellow_seat.j
 b7181bcd8182b2f17088e5aa881f374c9c65470c assets/create/blockstates/zinc_ore.json
 a6d814f94926d88764c38862cc4ece9c367e023b assets/create/lang/en_ud.json
 d1838140c8383ee4537db90eb8f657d0c268fe91 assets/create/lang/en_us.json
-9d6f26ca7b59d3707ce996e513358cc9b873cad1 assets/create/lang/unfinished/de_de.json
+4fcda300efe5a2ad8695b5ae3f24a54ea109a954 assets/create/lang/unfinished/de_de.json
-7fafb7565349aa52f4ccb829d4886a179eb547dc assets/create/lang/unfinished/es_es.json
+6a1dde57b2224d4b0287ebc705d6a75d329b5e1f assets/create/lang/unfinished/es_es.json
-822b912d290d40c5f02011393af44bf37684f9b4 assets/create/lang/unfinished/es_mx.json
+93ee0e30a56b405a9e766d353c36276e36a84b5c assets/create/lang/unfinished/es_mx.json
-502d761465a0de7aeb15acec4147b8ec8bee92cf assets/create/lang/unfinished/fr_fr.json
+49a691320c73e09f921cd0ea97398126231e99fa assets/create/lang/unfinished/fr_fr.json
-dac15c17578fb37bbdb874cee5a0a078110b7481 assets/create/lang/unfinished/it_it.json
+cf14b3828b6c11013f606f277d88fb63245bb2a8 assets/create/lang/unfinished/it_it.json
-fd270c9c8bc46d4df21aa04ecc7bf059011e4b3e assets/create/lang/unfinished/ja_jp.json
+73c1c1489833cbcb28bb1ce90541c8c8bdf329c0 assets/create/lang/unfinished/ja_jp.json
-a5b002e047a2f509a8d35b9e638627f970b4810e assets/create/lang/unfinished/ko_kr.json
+924303b9bcf56aedbbfc46108655f71324308e12 assets/create/lang/unfinished/ko_kr.json
-50f65aaba8c4fec5404ab1fc40f74b4970a55edd assets/create/lang/unfinished/nl_nl.json
+079aea6843e756efbfca0976983be1957863717c assets/create/lang/unfinished/nl_nl.json
-ff61e567f15ded6ba127522af03860232069cdd2 assets/create/lang/unfinished/pl_pl.json
+b7bab15167400ee48a9728f81446e572c494fd8d assets/create/lang/unfinished/pl_pl.json
-a7a28fb3896bc38e00f746e650433160f5b53c90 assets/create/lang/unfinished/pt_br.json
+07e84cc3eee3faa1ab3d26e0c85c7f09c8573368 assets/create/lang/unfinished/pt_br.json
-ffa1901b392719634403048419d29b268704bd10 assets/create/lang/unfinished/ru_ru.json
+6ffb0cf20d712aee23a42a9ec440dd7dc92293d6 assets/create/lang/unfinished/ru_ru.json
-38b843c5232167876b3678328b47ec95f30cf69f assets/create/lang/unfinished/zh_cn.json
+0ae98a18e59f478da41d8c5d832737b65f6a8c8a assets/create/lang/unfinished/zh_cn.json
-b806d1e6fe9ebee27f417a3c4d6c818124ee4cde assets/create/lang/unfinished/zh_tw.json
+4c96e5a76e72368a59190b7588d389fdd2cc75e1 assets/create/lang/unfinished/zh_tw.json
 487a511a01b2a4531fb672f917922312db78f958 assets/create/models/block/acacia_window.json
 b48060cba1a382f373a05bf0039054053eccf076 assets/create/models/block/acacia_window_pane_noside.json
 3066db1bf03cffa1a9c7fbacf47ae586632f4eb3 assets/create/models/block/acacia_window_pane_noside_alt.json
@@ -2726,7 +2726,7 @@ cecaac07bd275bb1ae9e302f0bf44b581e74105d data/create/loot_tables/blocks/rope_pul
 aa6af37356d65105efab2503ffe75f778cfe873b data/create/loot_tables/blocks/rotation_speed_controller.json
 30de11bec82606fead9d6bff7bba0232e97f1039 data/create/loot_tables/blocks/sail_frame.json
 069701cb804b6522c18624a0d4f3f949ff8b0281 data/create/loot_tables/blocks/schematic_table.json
-c4a89145334addfd0dd1fedf7fa75ba07a7d3490 data/create/loot_tables/blocks/schematicannon.json
+a2b172dc749176d4df34729007019605fc6dd150 data/create/loot_tables/blocks/schematicannon.json
 af1bbbb8236b4ab05a6a8edc6db960bc758cbdf3 data/create/loot_tables/blocks/scoria.json
 bb670ac5dd2fa4c743bc268cd0547926eb6cdb68 data/create/loot_tables/blocks/scoria_bricks.json
 a7217ea301a282d0ef52f2d8c06dd8683398408d data/create/loot_tables/blocks/scoria_bricks_slab.json

src/generated/resources/data/create/loot_tables/blocks/schematicannon.json

@@ -6,6 +6,19 @@
       "entries": [
         {
           "type": "minecraft:item",
+          "functions": [
+            {
+              "function": "minecraft:copy_nbt",
+              "source": "block_entity",
+              "ops": [
+                {
+                  "source": "Options",
+                  "target": "BlockEntityTag.Options",
+                  "op": "replace"
+                }
+              ]
+            }
+          ],
           "name": "create:schematicannon"
         }
       ],

src/main/java/com/simibubi/create/AllBlocks.java

@@ -215,6 +215,16 @@ public class AllBlocks {
 		REGISTRATE.block("schematicannon", SchematicannonBlock::new)
 			.initialProperties(() -> Blocks.DISPENSER)
 			.blockstate((ctx, prov) -> prov.simpleBlock(ctx.getEntry(), AssetLookup.partialBaseModel(ctx, prov)))
+			.loot((lt, block) -> {
+				Builder builder = LootTable.builder();
+				IBuilder survivesExplosion = SurvivesExplosion.builder();
+				lt.registerLootTable(block, builder.addLootPool(LootPool.builder()
+						.acceptCondition(survivesExplosion)
+						.rolls(ConstantRange.of(1))
+						.addEntry(ItemLootEntry.builder(AllBlocks.SCHEMATICANNON.get().asItem())
+								.acceptFunction(CopyNbt.func_215881_a(CopyNbt.Source.BLOCK_ENTITY)
+										.func_216056_a("Options", "BlockEntityTag.Options")))));
+			})
 			.item()
 			.transform(customItemModel())
 			.register();

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

@@ -54,6 +54,7 @@ import net.minecraft.util.ActionResultType;
 import net.minecraft.util.Direction;
 import net.minecraft.util.Direction.Axis;
 import net.minecraft.util.Hand;
+import net.minecraft.util.Mirror;
 import net.minecraft.util.Rotation;
 import net.minecraft.util.SoundCategory;
 import net.minecraft.util.SoundEvents;
@@ -492,29 +493,55 @@ public class CartAssemblerBlock extends AbstractRailBlock
 	public boolean allowsMovement(BlockState state, IBlockReader reader, BlockPos pos, PathType type) {
 		return false;
 	}
-	
+
 	@Override
 	public ActionResultType onWrenched(BlockState state, ItemUseContext context) {
 		World world = context.getWorld();
 		if (world.isRemote)
 			return ActionResultType.SUCCESS;
 		BlockPos pos = context.getPos();
-		BlockState newState = state.with(RAIL_SHAPE,
+		world.setBlockState(pos, rotate(state, Rotation.CLOCKWISE_90), 3);
-			state.get(RAIL_SHAPE) == RailShape.NORTH_SOUTH ? RailShape.EAST_WEST : RailShape.NORTH_SOUTH);
-		if (state.get(RAIL_TYPE) == CartAssembleRailType.CONTROLLER_RAIL
-			|| state.get(RAIL_TYPE) == CartAssembleRailType.CONTROLLER_RAIL_BACKWARDS) {
-			newState = newState.with(RAIL_TYPE, AllBlocks.CONTROLLER_RAIL.get()
-				.rotate(AllBlocks.CONTROLLER_RAIL.getDefaultState()
-					.with(ControllerRailBlock.SHAPE, state.get(RAIL_SHAPE))
-					.with(ControllerRailBlock.BACKWARDS,
-						state.get(RAIL_TYPE) == CartAssembleRailType.CONTROLLER_RAIL_BACKWARDS),
-					Rotation.CLOCKWISE_90)
-				.get(ControllerRailBlock.BACKWARDS) ? CartAssembleRailType.CONTROLLER_RAIL_BACKWARDS
-					: CartAssembleRailType.CONTROLLER_RAIL);
-		}
-		context.getWorld()
-			.setBlockState(pos, newState, 3);
 		world.notifyNeighborsOfStateChange(pos.down(), this);
 		return ActionResultType.SUCCESS;
 	}
+
+	@Override
+	public BlockState rotate(BlockState state, Rotation rotation) {
+		if (rotation == Rotation.NONE)
+			return state;
+
+		boolean is_controller_rail_backwards = state.get(RAIL_TYPE) == CartAssembleRailType.CONTROLLER_RAIL_BACKWARDS;
+		boolean is_controller_rail = state.get(RAIL_TYPE) == CartAssembleRailType.CONTROLLER_RAIL || is_controller_rail_backwards;
+		BlockState base = AllBlocks.CONTROLLER_RAIL.getDefaultState()
+				.with(ControllerRailBlock.SHAPE, state.get(RAIL_SHAPE))
+				.with(ControllerRailBlock.BACKWARDS, is_controller_rail_backwards)
+				.rotate(rotation);
+		if (is_controller_rail) {
+			state = state.with(RAIL_TYPE,
+					base.get(ControllerRailBlock.BACKWARDS) ? CartAssembleRailType.CONTROLLER_RAIL_BACKWARDS :
+							CartAssembleRailType.CONTROLLER_RAIL
+			);
+		}
+		return state.with(RAIL_SHAPE, base.get(ControllerRailBlock.SHAPE));
+	}
+
+	@Override
+	public BlockState mirror(BlockState state, Mirror mirror) {
+		if (mirror == Mirror.NONE)
+			return state;
+
+		boolean is_controller_rail_backwards = state.get(RAIL_TYPE) == CartAssembleRailType.CONTROLLER_RAIL_BACKWARDS;
+		boolean is_controller_rail = state.get(RAIL_TYPE) == CartAssembleRailType.CONTROLLER_RAIL || is_controller_rail_backwards;
+		BlockState base = AllBlocks.CONTROLLER_RAIL.getDefaultState()
+				.with(ControllerRailBlock.SHAPE, state.get(RAIL_SHAPE))
+				.with(ControllerRailBlock.BACKWARDS, is_controller_rail_backwards)
+				.mirror(mirror);
+		if (is_controller_rail) {
+			state = state.with(RAIL_TYPE,
+					base.get(ControllerRailBlock.BACKWARDS) ? CartAssembleRailType.CONTROLLER_RAIL_BACKWARDS :
+							CartAssembleRailType.CONTROLLER_RAIL
+			);
+		}
+		return state.with(RAIL_SHAPE, base.get(ControllerRailBlock.SHAPE));
+	}
 }

src/main/java/com/simibubi/create/content/contraptions/relays/advanced/GantryShaftBlock.java

@@ -169,6 +169,20 @@ public class GantryShaftBlock extends DirectionalKineticBlock {
 		return onWrenched;
 	}
 
+	@Override
+	public void onBlockAdded(BlockState state, World worldIn, BlockPos pos, BlockState oldState, boolean isMoving) {
+		super.onBlockAdded(state, worldIn, pos, oldState, isMoving);
+
+		if (!worldIn.isRemote() && oldState.getBlock().is(AllBlocks.GANTRY_SHAFT.get())) {
+			Part oldPart = oldState.get(PART), part = state.get(PART);
+			if ((oldPart != Part.MIDDLE && part == Part.MIDDLE) || (oldPart == Part.SINGLE && part != Part.SINGLE)) {
+				TileEntity te = worldIn.getTileEntity(pos);
+				if (te instanceof GantryShaftTileEntity)
+					((GantryShaftTileEntity) te).checkAttachedCarriageBlocks();
+			}
+		}
+	}
+
 	@Override
 	public void neighborChanged(BlockState state, World worldIn, BlockPos pos, Block p_220069_4_, BlockPos p_220069_5_,
 		boolean p_220069_6_) {
@@ -260,7 +274,7 @@ public class GantryShaftBlock extends DirectionalKineticBlock {
 		return super.areStatesKineticallyEquivalent(oldState, newState)
 			&& oldState.get(POWERED) == newState.get(POWERED);
 	}
-	
+
 	@Override
 	public float getParticleTargetRadius() {
 		return .35f;
@@ -270,7 +284,7 @@ public class GantryShaftBlock extends DirectionalKineticBlock {
 	public float getParticleInitialRadius() {
 		return .25f;
 	}
-	
+
 	@Override
 	public boolean allowsMovement(BlockState state, IBlockReader reader, BlockPos pos, PathType type) {
 		return false;

src/main/java/com/simibubi/create/content/contraptions/relays/advanced/GantryShaftTileEntity.java

@@ -19,15 +19,12 @@ public class GantryShaftTileEntity extends KineticTileEntity {
 		super(typeIn);
 	}
 
-	@Override
+	public void checkAttachedCarriageBlocks() {
-	public void onSpeedChanged(float previousSpeed) {
-		super.onSpeedChanged(previousSpeed);
-
 		if (!canAssembleOn())
 			return;
 		for (Direction d : Iterate.directions) {
 			if (d.getAxis() == getBlockState().get(GantryShaftBlock.FACING)
-				.getAxis())
+					.getAxis())
 				continue;
 			BlockPos offset = pos.offset(d);
 			BlockState pinionState = world.getBlockState(offset);
@@ -39,7 +36,12 @@ public class GantryShaftTileEntity extends KineticTileEntity {
 			if (tileEntity instanceof GantryCarriageTileEntity)
 				((GantryCarriageTileEntity) tileEntity).queueAssembly();
 		}
+	}
 
+	@Override
+	public void onSpeedChanged(float previousSpeed) {
+		super.onSpeedChanged(previousSpeed);
+		checkAttachedCarriageBlocks();
 	}
 
 	@Override
@@ -99,7 +101,7 @@ public class GantryShaftTileEntity extends KineticTileEntity {
 			return 0;
 		return MathHelper.clamp(-getSpeed() / 512f, -.49f, .49f);
 	}
-	
+
 	@Override
 	protected boolean isNoisy() {
 		return false;

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

@@ -122,14 +122,14 @@ public class ArmTileEntity extends KineticTileEntity {
 		}
 		if (world.isRemote)
 			return;
-		
+
 		if (phase == Phase.MOVE_TO_INPUT)
 			collectItem();
 		else if (phase == Phase.MOVE_TO_OUTPUT)
 			depositItem();
 		else if (phase == Phase.SEARCH_INPUTS || phase == Phase.DANCING)
 			searchForItem();
-		
+
 		if (targetReached)
 			lazyTick();
 	}
@@ -142,7 +142,7 @@ public class ArmTileEntity extends KineticTileEntity {
 			return;
 		if (chasedPointProgress < .5f)
 			return;
-		if (phase == Phase.SEARCH_INPUTS || phase == Phase.DANCING) 
+		if (phase == Phase.SEARCH_INPUTS || phase == Phase.DANCING)
 			checkForMusic();
 		if (phase == Phase.SEARCH_OUTPUTS)
 			searchForDestination();
@@ -175,7 +175,7 @@ public class ArmTileEntity extends KineticTileEntity {
 	}
 
 	private boolean tickMovementProgress() {
-		boolean targetReachedPreviously = chasedPointProgress >= 1; 
+		boolean targetReachedPreviously = chasedPointProgress >= 1;
 		chasedPointProgress += Math.min(256, Math.abs(getSpeed())) / 1024f;
 		if (chasedPointProgress > 1)
 			chasedPointProgress = 1;
@@ -349,7 +349,7 @@ public class ArmTileEntity extends KineticTileEntity {
 				chasedPointIndex = -1;
 				sendData();
 				markDirty();
-				
+
 				if (!prevHeld.isItemEqual(heldItem))
 					world.playSound(null, pos, SoundEvents.ENTITY_ITEM_PICKUP, SoundCategory.BLOCKS, .125f,
 						.5f + Create.random.nextFloat() * .25f);
@@ -416,23 +416,26 @@ public class ArmTileEntity extends KineticTileEntity {
 		markDirty();
 	}
 
+	public void writeInteractionPoints(CompoundNBT compound) {
+		if (updateInteractionPoints) {
+			compound.put("InteractionPoints", interactionPointTag);
+		} else {
+			ListNBT pointsNBT = new ListNBT();
+			inputs.stream()
+					.map(aip -> aip.serialize(pos))
+					.forEach(pointsNBT::add);
+			outputs.stream()
+					.map(aip -> aip.serialize(pos))
+					.forEach(pointsNBT::add);
+			compound.put("InteractionPoints", pointsNBT);
+		}
+	}
+
 	@Override
 	public void write(CompoundNBT compound, boolean clientPacket) {
 		super.write(compound, clientPacket);
 
-		if (updateInteractionPoints) {
+		writeInteractionPoints(compound);
-			compound.put("InteractionPoints", interactionPointTag);
-
-		} else {
-			ListNBT pointsNBT = new ListNBT();
-			inputs.stream()
-				.map(aip -> aip.serialize(pos))
-				.forEach(pointsNBT::add);
-			outputs.stream()
-				.map(aip -> aip.serialize(pos))
-				.forEach(pointsNBT::add);
-			compound.put("InteractionPoints", pointsNBT);
-		}
 
 		NBTHelper.writeEnum(compound, "Phase", phase);
 		compound.putBoolean("Powered", redstoneLocked);
@@ -441,6 +444,13 @@ public class ArmTileEntity extends KineticTileEntity {
 		compound.putFloat("MovementProgress", chasedPointProgress);
 	}
 
+	@Override
+	public void writeSafe(CompoundNBT compound, boolean clientPacket) {
+		super.writeSafe(compound, clientPacket);
+
+		writeInteractionPoints(compound);
+	}
+
 	@Override
 	protected void fromTag(BlockState state, CompoundNBT compound, boolean clientPacket) {
 		int previousIndex = chasedPointIndex;

src/main/java/com/simibubi/create/content/schematics/block/SchematicannonTileEntity.java

@@ -28,10 +28,15 @@ import com.simibubi.create.foundation.item.ItemHelper.ExtractionCountMode;
 import com.simibubi.create.foundation.render.backend.instancing.IInstanceRendered;
 import com.simibubi.create.foundation.tileEntity.SmartTileEntity;
 import com.simibubi.create.foundation.tileEntity.TileEntityBehaviour;
+import com.simibubi.create.foundation.tileEntity.behaviour.BehaviourType;
+import com.simibubi.create.foundation.tileEntity.behaviour.filtering.FilteringBehaviour;
 import com.simibubi.create.foundation.utility.BlockHelper;
+import com.simibubi.create.foundation.utility.IPartialSafeNBT;
 import com.simibubi.create.foundation.utility.Iterate;
 import com.simibubi.create.foundation.utility.NBTProcessors;
 
+import net.minecraft.block.AbstractRailBlock;
+import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.block.Blocks;
 import net.minecraft.block.PistonHeadBlock;
@@ -79,6 +84,10 @@ public class SchematicannonTileEntity extends SmartTileEntity implements INamedC
 		STOPPED, PAUSED, RUNNING;
 	}
 
+	public enum PrintStage {
+		BLOCKS, DEFERRED_BLOCKS, ENTITIES
+	}
+
 	// Inventory
 	public SchematicannonInventory inventory;
 
@@ -99,12 +108,14 @@ public class SchematicannonTileEntity extends SmartTileEntity implements INamedC
 	private int skipsLeft;
 	private boolean blockSkipped;
 	private int printingEntityIndex;
+	private PrintStage printStage;
 
 	public BlockPos target;
 	public BlockPos previousTarget;
 	public LinkedHashSet<LazyOptional<IItemHandler>> attachedInventories;
 	public List<LaunchedItem> flyingBlocks;
 	public MaterialChecklist checklist;
+	public List<BlockPos> deferredBlocks;
 
 	// Gui information
 	public float fuelLevel;
@@ -142,7 +153,9 @@ public class SchematicannonTileEntity extends SmartTileEntity implements INamedC
 		inventory = new SchematicannonInventory(this);
 		statusMsg = "idle";
 		state = State.STOPPED;
-		printingEntityIndex = -1;
+		printingEntityIndex = 0;
+		printStage = PrintStage.BLOCKS;
+		deferredBlocks = new LinkedList<>();
 		replaceMode = 2;
 		checklist = new MaterialChecklist();
 	}
@@ -198,8 +211,14 @@ public class SchematicannonTileEntity extends SmartTileEntity implements INamedC
 		replaceTileEntities = options.getBoolean("ReplaceTileEntities");
 
 		// Printer & Flying Blocks
+		if (compound.contains("PrintStage"))
+			printStage = PrintStage.valueOf(compound.getString("PrintStage"));
 		if (compound.contains("Target"))
 			target = NBTUtil.readBlockPos(compound.getCompound("Target"));
+		if (compound.contains("DeferredBlocks"))
+			compound.getList("DeferredBlocks", 10).stream()
+					.map(p -> NBTUtil.readBlockPos((CompoundNBT) p))
+					.collect(Collectors.toCollection(() -> deferredBlocks));
 		if (compound.contains("FlyingBlocks"))
 			readFlyingBlocks(compound);
 
@@ -273,12 +292,20 @@ public class SchematicannonTileEntity extends SmartTileEntity implements INamedC
 		compound.put("Options", options);
 
 		// Printer & Flying Blocks
+		compound.putString("PrintStage", printStage.name());
+
 		if (target != null)
 			compound.put("Target", NBTUtil.writeBlockPos(target));
-		ListNBT tagBlocks = new ListNBT();
+
+		ListNBT tagDeferredBlocks = new ListNBT();
+		for (BlockPos p : deferredBlocks)
+			tagDeferredBlocks.add(NBTUtil.writeBlockPos(p));
+		compound.put("DeferredBlocks", tagDeferredBlocks);
+
+		ListNBT tagFlyingBlocks = new ListNBT();
 		for (LaunchedItem b : flyingBlocks)
-			tagBlocks.add(b.serializeNBT());
+			tagFlyingBlocks.add(b.serializeNBT());
-		compound.put("FlyingBlocks", tagBlocks);
+		compound.put("FlyingBlocks", tagFlyingBlocks);
 
 		super.write(compound, clientPacket);
 	}
@@ -388,7 +415,7 @@ public class SchematicannonTileEntity extends SmartTileEntity implements INamedC
 			target = schematicAnchor.add(currentPos);
 		}
 
-		boolean entityMode = printingEntityIndex >= 0;
+		boolean entityMode = printStage == PrintStage.ENTITIES;
 
 		// Check block
 		if (!getWorld().isAreaLoaded(target, 0)) {
@@ -471,13 +498,18 @@ public class SchematicannonTileEntity extends SmartTileEntity implements INamedC
 				launchBlock(target, icon, blockState, null);
 		} else {
 			CompoundNBT data = null;
-			if (AllBlockTags.SAFE_NBT.matches(blockState)) {
+			TileEntity tile = blockReader.getTileEntity(target);
-				TileEntity tile = blockReader.getTileEntity(target);
+			if (tile != null) {
-				if (tile != null) {
+				if (AllBlockTags.SAFE_NBT.matches(blockState)) {
 					data = tile.write(new CompoundNBT());
 					data = NBTProcessors.process(tile, data, true);
+				} else if (tile instanceof IPartialSafeNBT) {
+					data = new CompoundNBT();
+					((IPartialSafeNBT) tile).writeSafe(data, false);
+					data = NBTProcessors.process(tile, data, true);
 				}
 			}
+
 			launchBlock(target, icon, blockState, data);
 		}
 
@@ -563,7 +595,9 @@ public class SchematicannonTileEntity extends SmartTileEntity implements INamedC
 		schematicLoaded = true;
 		state = State.PAUSED;
 		statusMsg = "ready";
-		printingEntityIndex = -1;
+		printingEntityIndex = 0;
+		printStage = PrintStage.BLOCKS;
+		deferredBlocks.clear();
 		updateChecklist();
 		sendUpdate = true;
 		blocksToPlace += blocksPlaced;
@@ -649,22 +683,33 @@ public class SchematicannonTileEntity extends SmartTileEntity implements INamedC
 	protected void advanceCurrentPos() {
 		List<Entity> entities = blockReader.getEntities()
 			.collect(Collectors.toList());
-		if (printingEntityIndex != -1) {
-			printingEntityIndex++;
 
-			// End of entities reached
+		if (printStage == PrintStage.BLOCKS) {
-			if (printingEntityIndex >= entities.size()) {
+			MutableBoundingBox bounds = blockReader.getBounds();
-				finishedPrinting();
+			while (tryAdvanceCurrentPos(bounds, entities)) {
-				return;
+				deferredBlocks.add(currentPos);
 			}
-
-			currentPos = entities.get(printingEntityIndex)
-				.getBlockPos()
-				.subtract(schematicAnchor);
-			return;
 		}
 
-		MutableBoundingBox bounds = blockReader.getBounds();
+		if (printStage == PrintStage.DEFERRED_BLOCKS) {
+			if (deferredBlocks.isEmpty()) {
+				printStage = PrintStage.ENTITIES;
+			} else {
+				currentPos = deferredBlocks.remove(0);
+			}
+		}
+
+		if (printStage == PrintStage.ENTITIES) {
+			if (printingEntityIndex < entities.size()) {
+				currentPos = entities.get(printingEntityIndex).getBlockPos().subtract(schematicAnchor);
+				printingEntityIndex++;
+			} else {
+				finishedPrinting();
+			}
+		}
+	}
+
+	protected boolean tryAdvanceCurrentPos(MutableBoundingBox bounds, List<Entity> entities) {
 		currentPos = currentPos.offset(Direction.EAST);
 		BlockPos posInBounds = currentPos.add(-bounds.minX, -bounds.minY, -bounds.minZ);
 
@@ -675,15 +720,16 @@ public class SchematicannonTileEntity extends SmartTileEntity implements INamedC
 
 		// End of blocks reached
 		if (currentPos.getY() > bounds.getYSize()) {
-			printingEntityIndex = 0;
+			printStage = PrintStage.DEFERRED_BLOCKS;
-			if (entities.isEmpty()) {
+			return false;
-				finishedPrinting();
-				return;
-			}
-			currentPos = entities.get(0)
-				.getBlockPos()
-				.subtract(schematicAnchor);
 		}
+
+		return shouldDeferBlock(blockReader.getBlockState(schematicAnchor.add(currentPos)));
+	}
+
+	public static boolean shouldDeferBlock(BlockState state) {
+		Block block = state.getBlock();
+		return block instanceof AbstractRailBlock || block.is(AllBlocks.GANTRY_CARRIAGE.get());
 	}
 
 	public void finishedPrinting() {
@@ -705,10 +751,12 @@ public class SchematicannonTileEntity extends SmartTileEntity implements INamedC
 		blockReader = null;
 		missingItem = null;
 		sendUpdate = true;
-		printingEntityIndex = -1;
+		printingEntityIndex = 0;
+		printStage = PrintStage.BLOCKS;
 		schematicProgress = 0;
 		blocksPlaced = 0;
 		blocksToPlace = 0;
+		deferredBlocks.clear();
 	}
 
 	protected boolean shouldPlace(BlockPos pos, BlockState state) {

src/main/java/com/simibubi/create/foundation/mixin/ModelDataRefreshMixin.java

@@ -0,0 +1,37 @@
+package com.simibubi.create.foundation.mixin;
+
+import com.simibubi.create.content.schematics.SchematicWorld;
+
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.world.World;
+import net.minecraftforge.client.model.ModelDataManager;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import net.minecraft.client.Minecraft;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
+
+@OnlyIn(Dist.CLIENT)
+@Mixin(ModelDataManager.class)
+public class ModelDataRefreshMixin {
+
+	/**
+	 * Normally ModelDataManager will throw an exception if a tile entity tries
+	 * to refresh its model data from a world the client isn't currently in,
+	 * but we need that to not happen for tile entities in fake schematic
+	 * worlds, so in those cases just do nothing instead.
+	 */
+	@Inject(at = @At("HEAD"), method = "requestModelDataRefresh", cancellable = true, remap = false)
+	private static void requestModelDataRefresh(TileEntity te, CallbackInfo ci) {
+		if (te != null) {
+			World world = te.getWorld();
+			if (world != Minecraft.getInstance().world && world instanceof SchematicWorld)
+				ci.cancel();
+		}
+	}
+
+}

src/main/java/com/simibubi/create/foundation/tileEntity/SmartTileEntity.java

@@ -8,6 +8,8 @@ import java.util.function.Consumer;
 
 import com.simibubi.create.foundation.tileEntity.behaviour.BehaviourType;
 
+import com.simibubi.create.foundation.utility.IPartialSafeNBT;
+
 import net.minecraft.block.BlockState;
 import net.minecraft.nbt.CompoundNBT;
 import net.minecraft.tileentity.ITickableTileEntity;
@@ -16,7 +18,7 @@ import net.minecraftforge.common.capabilities.Capability;
 import net.minecraftforge.fluids.capability.CapabilityFluidHandler;
 import net.minecraftforge.items.CapabilityItemHandler;
 
-public abstract class SmartTileEntity extends SyncedTileEntity implements ITickableTileEntity {
+public abstract class SmartTileEntity extends SyncedTileEntity implements ITickableTileEntity, IPartialSafeNBT {
 
 	private final Map<BehaviourType<?>, TileEntityBehaviour> behaviours;
 	// Internally maintained to be identical to behaviorMap.values() in order to improve iteration performance.
@@ -118,6 +120,14 @@ public abstract class SmartTileEntity extends SyncedTileEntity implements ITicka
 		behaviourList.forEach(tb -> tb.write(compound, clientPacket));
 	}
 
+	public void writeSafe(CompoundNBT compound, boolean clientPacket) {
+		super.write(compound);
+		behaviourList.forEach(tb -> {
+			if (tb.isSafeNBT())
+				tb.write(compound, clientPacket);
+		});
+	}
+
 	@Override
 	public void remove() {
 		forEachBehaviour(TileEntityBehaviour::remove);

src/main/java/com/simibubi/create/foundation/tileEntity/TileEntityBehaviour.java

@@ -42,6 +42,8 @@ public abstract class TileEntityBehaviour {
 
 	}
 
+	public boolean isSafeNBT() { return false; }
+
 	public void onBlockChanged(BlockState oldState) {
 
 	}
@@ -94,5 +96,4 @@ public abstract class TileEntityBehaviour {
 		SmartTileEntity ste = (SmartTileEntity) te;
 		return ste.getBehaviour(type);
 	}
-
 }

src/main/java/com/simibubi/create/foundation/tileEntity/behaviour/filtering/FilteringBehaviour.java

@@ -57,6 +57,9 @@ public class FilteringBehaviour extends TileEntityBehaviour {
 		fluidFilter = false;
 	}
 
+	@Override
+	public boolean isSafeNBT() { return true; }
+
 	@Override
 	public void write(CompoundNBT nbt, boolean clientPacket) {
 		nbt.put("Filter", getFilter().serializeNBT());

src/main/java/com/simibubi/create/foundation/tileEntity/behaviour/filtering/SidedFilteringBehaviour.java

@@ -58,6 +58,9 @@ public class SidedFilteringBehaviour extends FilteringBehaviour {
 				removeFilter(d);
 	}
 
+	@Override
+	public boolean isSafeNBT() { return true; }
+
 	@Override
 	public void write(CompoundNBT nbt, boolean clientPacket) {
 		nbt.put("Filters", NBTHelper.writeCompoundList(sidedFilters.entrySet(), entry -> {

src/main/java/com/simibubi/create/foundation/tileEntity/behaviour/linked/LinkBehaviour.java

@@ -115,6 +115,9 @@ public class LinkBehaviour extends TileEntityBehaviour {
 		getHandler().removeFromNetwork(this);
 	}
 
+	@Override
+	public boolean isSafeNBT() { return true; }
+
 	@Override
 	public void write(CompoundNBT nbt, boolean clientPacket) {
 		super.write(nbt, clientPacket);

src/main/java/com/simibubi/create/foundation/tileEntity/behaviour/scrollvalue/ScrollValueBehaviour.java

@@ -54,6 +54,9 @@ public class ScrollValueBehaviour extends TileEntityBehaviour {
 		ticksUntilScrollPacket = -1;
 	}
 
+	@Override
+	public boolean isSafeNBT() { return true; }
+
 	@Override
 	public void write(CompoundNBT nbt, boolean clientPacket) {
 		nbt.putInt("ScrollValue", value);
@@ -95,7 +98,7 @@ public class ScrollValueBehaviour extends TileEntityBehaviour {
 		clientCallback = valueCallback;
 		return this;
 	}
-	
+
 	public ScrollValueBehaviour withCallback(Consumer<Integer> valueCallback) {
 		callback = valueCallback;
 		return this;
@@ -126,7 +129,7 @@ public class ScrollValueBehaviour extends TileEntityBehaviour {
 		this.unit = unit;
 		return this;
 	}
-	
+
 	public ScrollValueBehaviour onlyActiveWhen(Supplier<Boolean> condition) {
 		isActive = condition;
 		return this;
@@ -168,7 +171,7 @@ public class ScrollValueBehaviour extends TileEntityBehaviour {
 	public BehaviourType<?> getType() {
 		return TYPE;
 	}
-	
+
 	public boolean isActive() {
 		return isActive.get();
 	}
@@ -182,7 +185,7 @@ public class ScrollValueBehaviour extends TileEntityBehaviour {
 	public void setLabel(ITextComponent label) {
 		this.label = label;
 	}
-	
+
 	public static class StepContext {
 		public int currentValue;
 		public boolean forward;

src/main/java/com/simibubi/create/foundation/tileEntity/behaviour/simple/DeferralBehaviour.java

@@ -20,6 +20,9 @@ public class DeferralBehaviour extends TileEntityBehaviour {
 		this.callback = callback;
 	}
 
+	@Override
+	public boolean isSafeNBT() { return true; }
+
 	@Override
 	public void write(CompoundNBT nbt, boolean clientPacket) {
 		nbt.putBoolean("NeedsUpdate", needsUpdate);
@@ -38,7 +41,7 @@ public class DeferralBehaviour extends TileEntityBehaviour {
 		if (needsUpdate && callback.get())
 			needsUpdate = false;
 	}
-	
+
 	public void scheduleUpdate() {
 		needsUpdate = true;
 	}

src/main/java/com/simibubi/create/foundation/utility/BlockHelper.java

@@ -1,9 +1,18 @@
 package com.simibubi.create.foundation.utility;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.function.Consumer;
 
 import javax.annotation.Nullable;
 
+import net.minecraft.block.AbstractRailBlock;
+import net.minecraft.block.RailBlock;
+
+import net.minecraft.world.chunk.Chunk;
+import net.minecraft.world.chunk.ChunkSection;
+import net.minecraftforge.common.util.BlockSnapshot;
+
 import org.apache.commons.lang3.mutable.MutableInt;
 
 import com.simibubi.create.AllBlocks;
@@ -234,6 +243,24 @@ public class BlockHelper {
 			.isEmpty();
 	}
 
+	private static void placeRailWithoutUpdate(World world, BlockState state, BlockPos target) {
+		int i = target.getX() & 15;
+		int j = target.getY();
+		int k = target.getZ() & 15;
+		Chunk chunk = world.getChunkAt(target);
+		ChunkSection chunksection = chunk.getSections()[j >> 4];
+		if (chunksection == Chunk.EMPTY_SECTION) {
+			chunksection = new ChunkSection(j >> 4 << 4);
+			chunk.getSections()[j >> 4] = chunksection;
+		}
+		BlockState old = chunksection.setBlockState(i, j & 15, k, state);
+		chunk.markDirty();
+		world.markAndNotifyBlock(target, chunk, old, state, 82, 512);
+
+		world.setBlockState(target, state, 82);
+		world.neighborChanged(target, world.getBlockState(target.down()).getBlock(), target.down());
+	}
+
 	public static void placeSchematicBlock(World world, BlockState state, BlockPos target, ItemStack stack,
 		@Nullable CompoundNBT data) {
 		// Piston
@@ -268,7 +295,13 @@ public class BlockHelper {
 			Block.spawnDrops(state, world, target);
 			return;
 		}
-		world.setBlockState(target, state, 18);
+
+		if (state.getBlock() instanceof AbstractRailBlock) {
+			placeRailWithoutUpdate(world, state, target);
+		} else {
+			world.setBlockState(target, state, 18);
+		}
+
 		if (data != null) {
 			TileEntity tile = world.getTileEntity(target);
 			if (tile != null) {

src/main/java/com/simibubi/create/foundation/utility/IPartialSafeNBT.java

@@ -0,0 +1,7 @@
+package com.simibubi.create.foundation.utility;
+
+import net.minecraft.nbt.CompoundNBT;
+
+public interface IPartialSafeNBT {
+	public void writeSafe(CompoundNBT compound, boolean clientPacket);
+}

src/main/resources/create.mixins.json

@@ -19,7 +19,8 @@
     "StoreProjectionMatrixMixin",
     "TileRemoveMixin",
     "TileWorldHookMixin",
-    "WindowResizeMixin"
+    "WindowResizeMixin",
+    "ModelDataRefreshMixin"
   ],
   "injectors": {
     "defaultRequire": 1