Merge remote-tracking branch 'origin/mc1.18/0.5.1' into mc1.19/0.5.1

.github/workflows/gametest.yml

@@ -0,0 +1,23 @@
+name: gametest
+on: [ pull_request, push, workflow_dispatch ]
+
+jobs:
+    build:
+        runs-on: ubuntu-latest
+        steps:
+
+            - name: checkout repository
+              uses: actions/checkout@v3
+
+            - name: setup Java
+              uses: actions/setup-java@v3
+              with:
+                  distribution: temurin
+                  java-version: 17
+                  cache: gradle
+
+            - name: make gradle wrapper executable
+              run: chmod +x ./gradlew
+
+            - name: run gametests
+              run: ./gradlew prepareRunGameTestServer runGameTestServer --no-daemon

.gitignore

@@ -43,3 +43,4 @@ local.properties
 .buildpath
 
 .DS_Store
+/libs/

build.gradle

@@ -90,6 +90,18 @@ minecraft {
                 }
             }
         }
+
+        gameTestServer {
+            workingDirectory project.file('run/gametest')
+            arg '-mixin.config=create.mixins.json'
+            property 'forge.logging.console.level', 'info'
+            mods {
+                create {
+                    source sourceSets.main
+                }
+            }
+            setForceExit false
+        }
     }
 }
 
@@ -135,6 +147,17 @@ repositories {
             includeGroup "maven.modrinth"
         }
     }
+    flatDir {
+        dirs 'libs'
+    }
+    maven {
+        // Location of maven for CC: Tweaked
+        name = "squiddev"
+        url = "https://squiddev.cc/maven/"
+        content {
+            includeGroup "org.squiddev"
+        }
+    }
 }
 
 dependencies {
@@ -162,6 +185,11 @@ dependencies {
     compileOnly fg.deobf("top.theillusivec4.curios:curios-forge:${curios_minecraft_version}-${curios_version}:api")
     runtimeOnly fg.deobf("top.theillusivec4.curios:curios-forge:${curios_minecraft_version}-${curios_version}")
 
+	if (cc_tweaked_enable.toBoolean()) {
+        compileOnly fg.deobf("org.squiddev:cc-tweaked-${cc_tweaked_minecraft_version}:${cc_tweaked_version}:api")
+        runtimeOnly fg.deobf("org.squiddev:cc-tweaked-${cc_tweaked_minecraft_version}:${cc_tweaked_version}")
+	}
+
     // implementation fg.deobf("curse.maven:druidcraft-340991:3101903")
     // implementation fg.deobf("com.ferreusveritas.dynamictrees:DynamicTrees-1.16.5:0.10.0-Beta25")
     // runtimeOnly fg.deobf("vazkii.arl:AutoRegLib:1.4-35.69")
@@ -169,6 +197,7 @@ dependencies {
     // runtimeOnly fg.deobf("slimeknights.mantle:Mantle:1.16.5-1.6.115")
     // runtimeOnly fg.deobf("slimeknights.tconstruct:TConstruct:1.16.5-3.1.1.252")
     // runtimeOnly fg.deobf("maven.modrinth:rubidium:0.5.3")
+    // implementation fg.deobf("com.railwayteam.railways:railways-1.18.2-1.1.1:all") { transitive = false }
 
     // https://discord.com/channels/313125603924639766/725850371834118214/910619168821354497
     // Prevent Mixin annotation processor from getting into IntelliJ's annotation processor settings
@@ -178,6 +207,12 @@ dependencies {
     }
 }
 
+sourceSets.main.java {
+	if (!cc_tweaked_enable.toBoolean()) {
+        exclude 'com/simibubi/create/compat/computercraft/implementation/**'
+	}
+}
+
 sourceSets.main.resources {
     srcDir 'src/generated/resources'
     exclude '.cache/'

gradle.properties

@@ -27,6 +27,10 @@ jei_version = 11.2.0.254
 curios_minecraft_version = 1.19.2
 curios_version = 5.1.1.0
 
+cc_tweaked_enable = true
+cc_tweaked_minecraft_version = 1.18.2
+cc_tweaked_version = 1.100.10
+
 # curseforge information
 projectId = 328085
 curse_type = beta

src/generated/resources/assets/create/lang/en_us.json

@@ -1192,6 +1192,8 @@
 	"create.schematicAndQuill.convert": "Save and Upload Immediately",
 	"create.schematicAndQuill.fallbackName": "My Schematic",
 	"create.schematicAndQuill.saved": "Saved as %1$s",
+	"create.schematicAndQuill.failed": "Failed to save schematic, check logs for details",
+	"create.schematicAndQuill.instant_failed": "Schematic instant-upload failed, check logs for details",
 
 	"create.schematic.invalid": "[!] Invalid Item - Use the Schematic Table instead",
 	"create.schematic.error": "Schematic failed to Load - Check Game Logs",
@@ -1811,6 +1813,7 @@
 	"create.display_source.redstone_power.progress_bar": "Progress Bar",
 	"create.display_source.boiler.not_enough_space": "Not enough space ",
 	"create.display_source.boiler.for_boiler_status": "for Boiler Status",
+	"create.display_source.computer_display_source": "From Computer",
 
 	"create.display_target.line": "Line %1$s",
 	"create.display_target.page": "Page %1$s",
@@ -1833,6 +1836,8 @@
 	"create.super_glue.not_enough": "Not enough glue in inventory",
 	"create.super_glue.success": "Applying Glue...",
 
+	"create.gui.attached_computer.controlled": "This device is being controlled by a computer",
+	"create.gui.attached_computer.hint": "To use device manually, disconnect all computers and modems",
 	"create.gui.config.overlay1": "Hi :)",
 	"create.gui.config.overlay2": "This is a sample overlay",
 	"create.gui.config.overlay3": "Click or drag with your mouse",
@@ -1856,6 +1861,12 @@
 	"enchantment.create.capacity.desc": "Increases Backtank air capacity.",
 	"enchantment.create.potato_recovery.desc": "Potato Cannon projectiles have a chance to be reused.",
 
+	"create.bogey.style.updated_style": "Updated style",
+	"create.bogey.style.updated_style_and_size": "Updated style and size",
+	"create.bogey.style.no_other_sizes": "No other sizes",
+	"create.bogey.style.invalid": "Unnamed style",
+	"create.bogey.style.standard": "Standard",
+
 
 	"_": "->------------------------]  Subtitles  [------------------------<-",
 
@@ -2814,7 +2825,7 @@
 	"create.ponder.mechanical_roller_fill.text_5": "As opposed to 'clear & pave', neither of these modes will cause the rollers to break existing blocks",
 
 	"create.ponder.mechanical_roller_pave.header": "Clearing and Paving with the Roller",
-	"create.ponder.mechanical_roller_pave.text_1": "Mechanical rollers help to clean up long tracks or paths conveniently",
+	"create.ponder.mechanical_roller_pave.text_1": "Mechanical rollers help to clean up terrain around tracks or paths",
 	"create.ponder.mechanical_roller_pave.text_2": "In its default mode, without a material set, it will simply clear blocks like a Drill",
 	"create.ponder.mechanical_roller_pave.text_3": "While disassembled, a suitable paving material can be specified",
 	"create.ponder.mechanical_roller_pave.text_4": "Materials can be supplied via chests or barrels attached to the structure",

src/generated/resources/data/create/tags/blocks/girdable_tracks.json

@@ -0,0 +1,6 @@
+{
+  "replace": false,
+  "values": [
+    "create:track"
+  ]
+}

src/generated/resources/data/create/tags/blocks/safe_nbt.json

@@ -18,10 +18,8 @@
     "create:andesite_belt_funnel",
     "create:brass_funnel",
     "create:brass_belt_funnel",
-    "create:creative_crate",
     "create:redstone_link",
     "create:analog_lever",
-    "create:placard",
     "create:pulse_repeater",
     "create:pulse_extender",
     "create:clipboard",

src/generated/resources/data/create/tags/blocks/tracks.json

@@ -0,0 +1,6 @@
+{
+  "replace": false,
+  "values": [
+    "create:track"
+  ]
+}

src/generated/resources/data/forge/tags/items/armors/boots.json

@@ -0,0 +1,7 @@
+{
+  "replace": false,
+  "values": [
+    "create:copper_diving_boots",
+    "create:netherite_diving_boots"
+  ]
+}

src/generated/resources/data/forge/tags/items/armors/chestplates.json

@@ -0,0 +1,7 @@
+{
+  "replace": false,
+  "values": [
+    "create:copper_backtank",
+    "create:netherite_backtank"
+  ]
+}

src/generated/resources/data/forge/tags/items/armors/helmets.json

@@ -0,0 +1,7 @@
+{
+  "replace": false,
+  "values": [
+    "create:copper_diving_helmet",
+    "create:netherite_diving_helmet"
+  ]
+}

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

@@ -195,6 +195,7 @@ import com.simibubi.create.content.logistics.block.vault.ItemVaultBlockEntity;
 import com.simibubi.create.content.logistics.item.LecternControllerBlockEntity;
 import com.simibubi.create.content.logistics.item.LecternControllerRenderer;
 import com.simibubi.create.content.logistics.trains.BogeyBlockEntityRenderer;
+import com.simibubi.create.content.logistics.trains.TrackMaterial;
 import com.simibubi.create.content.logistics.trains.management.display.FlapDisplayBlockEntity;
 import com.simibubi.create.content.logistics.trains.management.display.FlapDisplayRenderer;
 import com.simibubi.create.content.logistics.trains.management.edgePoint.observer.TrackObserverBlockEntity;
@@ -831,8 +832,8 @@ public class AllBlockEntityTypes {
 	public static final BlockEntityEntry<TrackBlockEntity> TRACK = REGISTRATE
 		.blockEntity("track", TrackBlockEntity::new)
 		.instance(() -> TrackInstance::new)
+		.validBlocksDeferred(TrackMaterial::allBlocks)
 		.renderer(() -> TrackRenderer::new)
-		.validBlocks(AllBlocks.TRACK)
 		.register();
 	
 	public static final BlockEntityEntry<FakeTrackBlockEntity> FAKE_TRACK = REGISTRATE
@@ -859,10 +860,10 @@ public class AllBlockEntityTypes {
 				AllBlocks.BRASS_DOOR, AllBlocks.COPPER_DOOR)
 			.register();
 
-	public static final BlockEntityEntry<CopycatBlockEntity> COPYCAT = REGISTRATE
-		.blockEntity("copycat", CopycatBlockEntity::new)
-		.validBlocks(AllBlocks.COPYCAT_PANEL, AllBlocks.COPYCAT_STEP)
-		.register();
+	public static final BlockEntityEntry<CopycatBlockEntity> COPYCAT =
+		REGISTRATE.blockEntity("copycat", CopycatBlockEntity::new)
+			.validBlocks(AllBlocks.COPYCAT_PANEL, AllBlocks.COPYCAT_STEP)
+			.register();
 
 	public static final BlockEntityEntry<FlapDisplayBlockEntity> FLAP_DISPLAY = REGISTRATE
 		.blockEntity("flap_display", FlapDisplayBlockEntity::new)

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

@@ -230,6 +230,8 @@ import com.simibubi.create.content.logistics.block.vault.ItemVaultBlock;
 import com.simibubi.create.content.logistics.block.vault.ItemVaultCTBehaviour;
 import com.simibubi.create.content.logistics.block.vault.ItemVaultItem;
 import com.simibubi.create.content.logistics.item.LecternControllerBlock;
+import com.simibubi.create.content.logistics.trains.BogeySizes;
+import com.simibubi.create.content.logistics.trains.TrackMaterial;
 import com.simibubi.create.content.logistics.trains.management.display.FlapDisplayBlock;
 import com.simibubi.create.content.logistics.trains.management.edgePoint.EdgePointType;
 import com.simibubi.create.content.logistics.trains.management.edgePoint.TrackTargetingBlockItem;
@@ -718,7 +720,7 @@ public class AllBlocks {
 			.onRegister(movementBehaviour(new BlazeBurnerMovementBehaviour()))
 			.onRegister(interactionBehaviour(new BlazeBurnerInteractionBehaviour()))
 			.item(BlazeBurnerBlockItem::withBlaze)
-			.model(AssetLookup.<BlazeBurnerBlockItem>customBlockItemModel("blaze_burner", "block_with_blaze"))
+			.model(AssetLookup.customBlockItemModel("blaze_burner", "block_with_blaze"))
 			.build()
 			.register();
 
@@ -938,7 +940,7 @@ public class AllBlocks {
 		.onRegister(assignDataBehaviour(new BoilerDisplaySource(), "boiler_status"))
 		.addLayer(() -> RenderType::cutoutMipped)
 		.item(FluidTankItem::new)
-		.model(AssetLookup.<FluidTankItem>customBlockItemModel("_", "block_single_window"))
+		.model(AssetLookup.customBlockItemModel("_", "block_single_window"))
 		.build()
 		.register();
 
@@ -1541,7 +1543,7 @@ public class AllBlocks {
 		.transform(customItemModel())
 		.register();
 
-	public static final BlockEntry<TrackBlock> TRACK = REGISTRATE.block("track", TrackBlock::new)
+	public static final BlockEntry<TrackBlock> TRACK = REGISTRATE.block("track", TrackMaterial.ANDESITE::createBlock)
 		.initialProperties(Material.STONE)
 		.properties(p -> p.color(MaterialColor.METAL)
 			.strength(0.8F)
@@ -1552,6 +1554,8 @@ public class AllBlocks {
 		.onRegister(CreateRegistrate.blockModel(() -> TrackModel::new))
 		.blockstate(new TrackBlockStateGenerator()::generate)
 		.tag(AllBlockTags.RELOCATION_NOT_SUPPORTED.tag)
+		.tag(AllBlockTags.TRACKS.tag)
+		.tag(AllBlockTags.GIRDABLE_TRACKS.tag)
 		.lang("Train Track")
 		.item(TrackBlockItem::new)
 		.model((c, p) -> p.generated(c, Create.asResource("item/" + c.getName())))
@@ -1620,13 +1624,13 @@ public class AllBlocks {
 			.register();
 
 	public static final BlockEntry<StandardBogeyBlock> SMALL_BOGEY =
-		REGISTRATE.block("small_bogey", p -> new StandardBogeyBlock(p, false))
+		REGISTRATE.block("small_bogey", p -> new StandardBogeyBlock(p, BogeySizes.SMALL))
 			.properties(p -> p.color(MaterialColor.PODZOL))
 			.transform(BuilderTransformers.bogey())
 			.register();
 
 	public static final BlockEntry<StandardBogeyBlock> LARGE_BOGEY =
-		REGISTRATE.block("large_bogey", p -> new StandardBogeyBlock(p, true))
+		REGISTRATE.block("large_bogey", p -> new StandardBogeyBlock(p, BogeySizes.LARGE))
 			.properties(p -> p.color(MaterialColor.PODZOL))
 			.transform(BuilderTransformers.bogey())
 			.register();
@@ -1765,7 +1769,6 @@ public class AllBlocks {
 		REGISTRATE.block("creative_crate", CreativeCrateBlock::new)
 			.transform(BuilderTransformers.crate("creative"))
 			.properties(p -> p.color(MaterialColor.COLOR_PURPLE))
-			.tag(AllBlockTags.SAFE_NBT.tag)
 			.register();
 
 	public static final BlockEntry<DisplayLinkBlock> DISPLAY_LINK =
@@ -1861,7 +1864,6 @@ public class AllBlocks {
 	public static final BlockEntry<PlacardBlock> PLACARD = REGISTRATE.block("placard", PlacardBlock::new)
 		.initialProperties(SharedProperties::copperMetal)
 		.transform(pickaxeOnly())
-		.tag(AllBlockTags.SAFE_NBT.tag)
 		.blockstate((c, p) -> p.horizontalFaceBlock(c.get(), AssetLookup.standardModel(c, p)))
 		.simpleItem()
 		.register();

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

@@ -0,0 +1,122 @@
+package com.simibubi.create;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Optional;
+import java.util.function.Supplier;
+
+import com.google.common.collect.ImmutableMap;
+import com.simibubi.create.content.logistics.trains.AbstractBogeyBlock;
+import com.simibubi.create.content.logistics.trains.BogeyRenderer;
+import com.simibubi.create.content.logistics.trains.BogeyRenderer.CommonRenderer;
+import com.simibubi.create.content.logistics.trains.BogeySizes;
+import com.simibubi.create.content.logistics.trains.StandardBogeyRenderer.CommonStandardBogeyRenderer;
+import com.simibubi.create.content.logistics.trains.StandardBogeyRenderer.LargeStandardBogeyRenderer;
+import com.simibubi.create.content.logistics.trains.StandardBogeyRenderer.SmallStandardBogeyRenderer;
+import com.simibubi.create.content.logistics.trains.entity.BogeyStyle;
+import com.simibubi.create.foundation.utility.Components;
+import com.simibubi.create.foundation.utility.Lang;
+import com.tterrag.registrate.util.entry.BlockEntry;
+
+import net.minecraft.core.particles.ParticleOptions;
+import net.minecraft.core.particles.ParticleTypes;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.network.chat.Component;
+import net.minecraft.resources.ResourceLocation;
+
+public class AllBogeyStyles {
+	public static final Map<ResourceLocation, BogeyStyle> BOGEY_STYLES = new HashMap<>();
+	public static final Map<ResourceLocation, Map<ResourceLocation, BogeyStyle>> CYCLE_GROUPS = new HashMap<>();
+	private static final Map<ResourceLocation, BogeyStyle> EMPTY_GROUP = ImmutableMap.of();
+
+	public static Map<ResourceLocation, BogeyStyle> getCycleGroup(ResourceLocation cycleGroup) {
+		return CYCLE_GROUPS.getOrDefault(cycleGroup, EMPTY_GROUP);
+	}
+
+	public static final String STANDARD_CYCLE_GROUP = "standard";
+
+	public static final BogeyStyle STANDARD =
+		create("standard", STANDARD_CYCLE_GROUP).commonRenderer(CommonStandardBogeyRenderer::new)
+			.displayName(Components.translatable("create.bogey.style.standard"))
+			.size(BogeySizes.SMALL, SmallStandardBogeyRenderer::new, AllBlocks.SMALL_BOGEY)
+			.size(BogeySizes.LARGE, LargeStandardBogeyRenderer::new, AllBlocks.LARGE_BOGEY)
+			.build();
+
+	private static BogeyStyleBuilder create(String name, String cycleGroup) {
+		return create(Create.asResource(name), Create.asResource(cycleGroup));
+	}
+
+	public static BogeyStyleBuilder create(ResourceLocation name, ResourceLocation cycleGroup) {
+		return new BogeyStyleBuilder(name, cycleGroup);
+	}
+
+	public static void register() {}
+
+	public static class BogeyStyleBuilder {
+		protected final Map<BogeySizes.BogeySize, BogeyStyle.SizeData> sizes = new HashMap<>();
+		protected final ResourceLocation name;
+		protected final ResourceLocation cycleGroup;
+
+		protected Component displayName = Lang.translateDirect("bogey.style.invalid");
+		protected ResourceLocation soundType = AllSoundEvents.TRAIN2.getId();
+		protected CompoundTag defaultData = new CompoundTag();
+		protected ParticleOptions contactParticle = ParticleTypes.CRIT;
+		protected ParticleOptions smokeParticle = ParticleTypes.POOF;
+		protected Optional<Supplier<? extends CommonRenderer>> commonRenderer = Optional.empty();
+
+		public BogeyStyleBuilder(ResourceLocation name, ResourceLocation cycleGroup) {
+			this.name = name;
+			this.cycleGroup = cycleGroup;
+		}
+
+		public BogeyStyleBuilder displayName(Component displayName) {
+			this.displayName = displayName;
+			return this;
+		}
+
+		public BogeyStyleBuilder soundType(ResourceLocation soundType) {
+			this.soundType = soundType;
+			return this;
+		}
+
+		public BogeyStyleBuilder defaultData(CompoundTag defaultData) {
+			this.defaultData = defaultData;
+			return this;
+		}
+
+		public BogeyStyleBuilder size(BogeySizes.BogeySize size, Supplier<? extends BogeyRenderer> renderer,
+									   BlockEntry<? extends AbstractBogeyBlock<?>> blockEntry) {
+			this.size(size, renderer, blockEntry.getId());
+			return this;
+		}
+
+		public BogeyStyleBuilder size(BogeySizes.BogeySize size, Supplier<? extends BogeyRenderer> renderer,
+									   ResourceLocation location) {
+			this.sizes.put(size, new BogeyStyle.SizeData(location, renderer, renderer.get()));
+			return this;
+		}
+
+		public BogeyStyleBuilder contactParticle(ParticleOptions contactParticle) {
+			this.contactParticle = contactParticle;
+			return this;
+		}
+
+		public BogeyStyleBuilder smokeParticle(ParticleOptions smokeParticle) {
+			this.smokeParticle = smokeParticle;
+			return this;
+		}
+
+		public BogeyStyleBuilder commonRenderer(Supplier<? extends CommonRenderer> commonRenderer) {
+			this.commonRenderer = Optional.of(commonRenderer);
+			return this;
+		}
+
+		public BogeyStyle build() {
+			BogeyStyle entry =
+					new BogeyStyle(name, cycleGroup, displayName, soundType, contactParticle, smokeParticle, defaultData, sizes, commonRenderer);
+			BOGEY_STYLES.put(name, entry);
+			CYCLE_GROUPS.computeIfAbsent(cycleGroup, l -> new HashMap<>()).put(name, entry);
+			return entry;
+		}
+	}
+}

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

@@ -228,14 +228,16 @@ public class AllItems {
 	// wrapped by COPPER_BACKTANK for block placement uses.
 	// must be registered as of 1.18.2
 	public static final ItemEntry<BacktankBlockItem> COPPER_BACKTANK_PLACEABLE = REGISTRATE
-		.item("copper_backtank_placeable", p -> new BacktankBlockItem(AllBlocks.COPPER_BACKTANK.get(), AllItems.COPPER_BACKTANK::get, p))
+		.item("copper_backtank_placeable",
+			p -> new BacktankBlockItem(AllBlocks.COPPER_BACKTANK.get(), AllItems.COPPER_BACKTANK::get, p))
 		.model((c, p) -> p.withExistingParent(c.getName(), p.mcLoc("item/barrier")))
 		.register();
 
 	// wrapped by NETHERITE_BACKTANK for block placement uses.
 	// must be registered as of 1.18.2
 	public static final ItemEntry<BacktankBlockItem> NETHERITE_BACKTANK_PLACEABLE = REGISTRATE
-		.item("netherite_backtank_placeable", p -> new BacktankBlockItem(AllBlocks.NETHERITE_BACKTANK.get(), AllItems.NETHERITE_BACKTANK::get, p))
+		.item("netherite_backtank_placeable",
+			p -> new BacktankBlockItem(AllBlocks.NETHERITE_BACKTANK.get(), AllItems.NETHERITE_BACKTANK::get, p))
 		.model((c, p) -> p.withExistingParent(c.getName(), p.mcLoc("item/barrier")))
 		.register();
 
@@ -248,6 +250,7 @@ public class AllItems {
 					COPPER_BACKTANK_PLACEABLE))
 			.model(AssetLookup.customGenericItemModel("_", "item"))
 			.tag(AllItemTags.PRESSURIZED_AIR_SOURCES.tag)
+			.tag(forgeItemTag("armors/chestplates"))
 			.register(),
 
 		NETHERITE_BACKTANK = REGISTRATE
@@ -257,6 +260,7 @@ public class AllItems {
 			.model(AssetLookup.customGenericItemModel("_", "item"))
 			.properties(p -> p.fireResistant())
 			.tag(AllItemTags.PRESSURIZED_AIR_SOURCES.tag)
+			.tag(forgeItemTag("armors/chestplates"))
 			.register();
 
 	public static final ItemEntry<? extends DivingHelmetItem>
@@ -265,12 +269,14 @@ public class AllItems {
 		REGISTRATE
 			.item("copper_diving_helmet",
 				p -> new DivingHelmetItem(AllArmorMaterials.COPPER, p, Create.asResource("copper_diving")))
+			.tag(forgeItemTag("armors/helmets"))
 			.register(),
 
 		NETHERITE_DIVING_HELMET = REGISTRATE
 			.item("netherite_diving_helmet",
 				p -> new DivingHelmetItem(ArmorMaterials.NETHERITE, p, Create.asResource("netherite_diving")))
 			.properties(p -> p.fireResistant())
+			.tag(forgeItemTag("armors/helmets"))
 			.register();
 
 	public static final ItemEntry<? extends DivingBootsItem>
@@ -279,12 +285,14 @@ public class AllItems {
 		REGISTRATE
 			.item("copper_diving_boots",
 				p -> new DivingBootsItem(AllArmorMaterials.COPPER, p, Create.asResource("copper_diving")))
+			.tag(forgeItemTag("armors/boots"))
 			.register(),
 
 		NETHERITE_DIVING_BOOTS = REGISTRATE
 			.item("netherite_diving_boots",
 				p -> new DivingBootsItem(ArmorMaterials.NETHERITE, p, Create.asResource("netherite_diving")))
 			.properties(p -> p.fireResistant())
+			.tag(forgeItemTag("armors/boots"))
 			.register();
 
 	public static final ItemEntry<SandPaperItem> SAND_PAPER = REGISTRATE.item("sand_paper", SandPaperItem::new)

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

@@ -14,6 +14,7 @@ import net.minecraft.tags.BlockTags;
 import net.minecraft.tags.FluidTags;
 import net.minecraft.tags.ItemTags;
 import net.minecraft.tags.TagKey;
+import net.minecraft.world.item.BlockItem;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.block.Block;
@@ -80,6 +81,8 @@ public class AllTags {
 		SAFE_NBT,
 		SEATS,
 		TOOLBOXES,
+		TRACKS,
+		GIRDABLE_TRACKS,
 		TREE_ATTACHMENTS,
 		VALVE_HANDLES,
 		WINDMILL_SAILS,
@@ -131,6 +134,10 @@ public class AllTags {
 				.is(tag);
 		}
 
+		public boolean matches(ItemStack stack) {
+			return stack != null && stack.getItem() instanceof BlockItem blockItem && matches(blockItem.getBlock());
+		}
+
 		public boolean matches(BlockState state) {
 			return state.is(tag);
 		}

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

@@ -2,6 +2,8 @@ package com.simibubi.create;
 
 import java.util.Random;
 
+import com.simibubi.create.content.logistics.trains.BogeySizes;
+
 import org.slf4j.Logger;
 
 import com.google.gson.Gson;
@@ -9,6 +11,7 @@ import com.google.gson.GsonBuilder;
 import com.mojang.logging.LogUtils;
 import com.simibubi.create.api.behaviour.BlockSpoutingBehaviour;
 import com.simibubi.create.compat.Mods;
+import com.simibubi.create.compat.computercraft.ComputerCraftProxy;
 import com.simibubi.create.compat.curios.Curios;
 import com.simibubi.create.content.contraptions.TorquePropagator;
 import com.simibubi.create.content.contraptions.fluids.tank.BoilerHeaters;
@@ -125,6 +128,8 @@ public class Create {
 		AllFeatures.register(modEventBus);
 		AllPlacementModifiers.register(modEventBus);
 		BuiltinRegistration.register(modEventBus);
+		BogeySizes.init();
+		AllBogeyStyles.register();
 
 		AllConfigs.register(modLoadingContext);
 
@@ -134,6 +139,7 @@ public class Create {
 		ContraptionMovementSetting.registerDefaults();
 		AllArmInteractionPointTypes.register();
 		BlockSpoutingBehaviour.registerDefaults();
+		ComputerCraftProxy.register();
 
 		ForgeMod.enableMilkFluid();
 		CopperRegistries.inject();

src/main/java/com/simibubi/create/api/event/TrackGraphMergeEvent.java

@@ -0,0 +1,22 @@
+package com.simibubi.create.api.event;
+
+import com.simibubi.create.content.logistics.trains.TrackGraph;
+
+import net.minecraftforge.eventbus.api.Event;
+
+public class TrackGraphMergeEvent extends Event{
+	private TrackGraph mergedInto, mergedFrom;
+	
+	public TrackGraphMergeEvent(TrackGraph from, TrackGraph into) {
+		mergedInto = into;
+		mergedFrom = from;
+	}
+	
+	public TrackGraph getGraphMergedInto() {
+		return mergedInto;
+	}
+	
+	public TrackGraph getGraphMergedFrom() {
+		return mergedFrom;
+	}
+}

src/main/java/com/simibubi/create/compat/Mods.java

@@ -5,7 +5,10 @@ import java.util.function.Supplier;
 
 import com.simibubi.create.foundation.utility.Lang;
 
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.level.block.Block;
 import net.minecraftforge.fml.ModList;
+import net.minecraftforge.registries.ForgeRegistries;
 
 /**
  * For compatibility with and without another mod present, we have to define load conditions of the specific code
@@ -14,6 +17,8 @@ public enum Mods {
 	DYNAMICTREES,
 	TCONSTRUCT,
 	CURIOS,
+
+	COMPUTERCRAFT,
 	STORAGEDRAWERS,
 	XLPACKETS;
 
@@ -51,4 +56,8 @@ public enum Mods {
 			toExecute.get().run();
 		}
 	}
+
+	public Block getBlock(String id) {
+		return ForgeRegistries.BLOCKS.getValue(new ResourceLocation(asId(), id));
+	}
 }

src/main/java/com/simibubi/create/compat/computercraft/AbstractComputerBehaviour.java

@@ -0,0 +1,57 @@
+package com.simibubi.create.compat.computercraft;
+
+import com.simibubi.create.foundation.blockEntity.BlockEntityBehaviour;
+import com.simibubi.create.foundation.blockEntity.SmartBlockEntity;
+import com.simibubi.create.foundation.blockEntity.behaviour.BehaviourType;
+
+import net.minecraft.nbt.CompoundTag;
+import net.minecraftforge.common.capabilities.Capability;
+import net.minecraftforge.common.util.LazyOptional;
+
+public class AbstractComputerBehaviour extends BlockEntityBehaviour {
+
+	public static final BehaviourType<AbstractComputerBehaviour> TYPE = new BehaviourType<>();
+
+	boolean hasAttachedComputer;
+
+	public AbstractComputerBehaviour(SmartBlockEntity te) {
+		super(te);
+		this.hasAttachedComputer = false;
+	}
+
+	@Override
+	public void read(CompoundTag nbt, boolean clientPacket) {
+		hasAttachedComputer = nbt.getBoolean("HasAttachedComputer");
+		super.read(nbt, clientPacket);
+	}
+
+	@Override
+	public void write(CompoundTag nbt, boolean clientPacket) {
+		nbt.putBoolean("HasAttachedComputer", hasAttachedComputer);
+		super.write(nbt, clientPacket);
+	}
+
+	public <T> boolean isPeripheralCap(Capability<T> cap) {
+		return false;
+	}
+
+	public <T> LazyOptional<T> getPeripheralCapability() {
+		return LazyOptional.empty();
+	}
+
+	public void removePeripheral() {}
+
+	public void setHasAttachedComputer(boolean hasAttachedComputer) {
+		this.hasAttachedComputer = hasAttachedComputer;
+	}
+
+	public boolean hasAttachedComputer() {
+		return hasAttachedComputer;
+	}
+
+	@Override
+	public BehaviourType<?> getType() {
+		return TYPE;
+	}
+
+}

src/main/java/com/simibubi/create/compat/computercraft/AttachedComputerPacket.java

@@ -0,0 +1,37 @@
+package com.simibubi.create.compat.computercraft;
+
+import com.simibubi.create.foundation.blockEntity.SmartBlockEntity;
+import com.simibubi.create.foundation.blockEntity.SyncedBlockEntity;
+import com.simibubi.create.foundation.networking.BlockEntityDataPacket;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.network.FriendlyByteBuf;
+
+public class AttachedComputerPacket extends BlockEntityDataPacket<SyncedBlockEntity> {
+
+	private final boolean hasAttachedComputer;
+
+	public AttachedComputerPacket(BlockPos tilePos, boolean hasAttachedComputer) {
+		super(tilePos);
+		this.hasAttachedComputer = hasAttachedComputer;
+	}
+
+	public AttachedComputerPacket(FriendlyByteBuf buffer) {
+		super(buffer);
+		this.hasAttachedComputer = buffer.readBoolean();
+	}
+
+	@Override
+	protected void writeData(FriendlyByteBuf buffer) {
+		buffer.writeBoolean(hasAttachedComputer);
+	}
+
+	@Override
+	protected void handlePacket(SyncedBlockEntity tile) {
+		if (tile instanceof SmartBlockEntity smartTile) {
+			smartTile.getBehaviour(AbstractComputerBehaviour.TYPE)
+				.setHasAttachedComputer(hasAttachedComputer);
+		}
+	}
+
+}

src/main/java/com/simibubi/create/compat/computercraft/ComputerCraftProxy.java

@@ -0,0 +1,30 @@
+package com.simibubi.create.compat.computercraft;
+
+import java.util.function.Function;
+
+import com.simibubi.create.compat.Mods;
+import com.simibubi.create.compat.computercraft.implementation.ComputerBehaviour;
+import com.simibubi.create.foundation.blockEntity.SmartBlockEntity;
+
+public class ComputerCraftProxy {
+
+	public static void register() {
+		fallbackFactory = FallbackComputerBehaviour::new;
+		Mods.COMPUTERCRAFT.executeIfInstalled(() -> ComputerCraftProxy::registerWithDependency);
+	}
+	
+	private static void registerWithDependency() {
+		/* Comment if computercraft.implementation is not in the source set */
+		computerFactory = ComputerBehaviour::new;
+	}
+
+	private static Function<SmartBlockEntity, ? extends AbstractComputerBehaviour> fallbackFactory;
+	private static Function<SmartBlockEntity, ? extends AbstractComputerBehaviour> computerFactory;
+
+	public static AbstractComputerBehaviour behaviour(SmartBlockEntity sbe) {
+		if (computerFactory == null)
+			return fallbackFactory.apply(sbe);
+		return computerFactory.apply(sbe);
+	}
+
+}

src/main/java/com/simibubi/create/compat/computercraft/ComputerScreen.java

@@ -0,0 +1,96 @@
+package com.simibubi.create.compat.computercraft;
+
+import java.util.function.Supplier;
+
+import javax.annotation.Nullable;
+
+import com.mojang.blaze3d.vertex.PoseStack;
+import com.simibubi.create.compat.Mods;
+import com.simibubi.create.foundation.gui.AbstractSimiScreen;
+import com.simibubi.create.foundation.gui.AllGuiTextures;
+import com.simibubi.create.foundation.gui.AllIcons;
+import com.simibubi.create.foundation.gui.element.GuiGameElement;
+import com.simibubi.create.foundation.gui.widget.AbstractSimiWidget;
+import com.simibubi.create.foundation.gui.widget.ElementWidget;
+import com.simibubi.create.foundation.gui.widget.IconButton;
+import com.simibubi.create.foundation.utility.Lang;
+
+import net.minecraft.client.gui.screens.Screen;
+import net.minecraft.network.chat.Component;
+
+public class ComputerScreen extends AbstractSimiScreen {
+
+	private final AllGuiTextures background = AllGuiTextures.COMPUTER;
+
+	private final Supplier<Component> displayTitle;
+	private final RenderWindowFunction additional;
+	private final Screen previousScreen;
+	private final Supplier<Boolean> hasAttachedComputer;
+
+	private AbstractSimiWidget computerWidget;
+	private IconButton confirmButton;
+
+	public ComputerScreen(Component title, @Nullable RenderWindowFunction additional, Screen previousScreen, Supplier<Boolean> hasAttachedComputer) {
+		this(title, () -> title, additional, previousScreen, hasAttachedComputer);
+	}
+
+	public ComputerScreen(Component title, Supplier<Component> displayTitle, @Nullable RenderWindowFunction additional, Screen previousScreen, Supplier<Boolean> hasAttachedComputer) {
+		super(title);
+		this.displayTitle = displayTitle;
+		this.additional = additional;
+		this.previousScreen = previousScreen;
+		this.hasAttachedComputer = hasAttachedComputer;
+	}
+
+	@Override
+	public void tick() {
+		if (!hasAttachedComputer.get())
+			minecraft.setScreen(previousScreen);
+
+		super.tick();
+	}
+
+	@Override
+	protected void init() {
+		setWindowSize(background.width, background.height);
+		super.init();
+
+		int x = guiLeft;
+		int y = guiTop;
+
+		Mods.COMPUTERCRAFT.executeIfInstalled(() -> () -> {
+			computerWidget = new ElementWidget(x + 33, y + 38)
+					.showingElement(GuiGameElement.of(Mods.COMPUTERCRAFT.getBlock("computer_advanced")));
+			computerWidget.getToolTip().add(Lang.translate("gui.attached_computer.hint").component());
+			addRenderableWidget(computerWidget);
+		});
+
+		confirmButton = new IconButton(x + background.width - 33, y + background.height - 24, AllIcons.I_CONFIRM);
+		confirmButton.withCallback(this::onClose);
+		addRenderableWidget(confirmButton);
+	}
+
+
+
+	@Override
+	protected void renderWindow(PoseStack ms, int mouseX, int mouseY, float partialTicks) {
+		int x = guiLeft;
+		int y = guiTop;
+
+		background.render(ms, x, y, this);
+
+		font.draw(ms, displayTitle.get(), x + background.width / 2.0F - font.width(displayTitle.get()) / 2.0F, y + 4, 0x442000);
+		font.drawWordWrap(Lang.translate("gui.attached_computer.controlled").component(), x + 55, y + 32, 111, 0x7A7A7A);
+
+		if (additional != null)
+			additional.render(ms, mouseX, mouseY, partialTicks, x, y, background);
+	}
+
+	@FunctionalInterface
+	public interface RenderWindowFunction {
+
+		void render(PoseStack ms, int mouseX, int mouseY, float partialTicks, int guiLeft, int guiTop, AllGuiTextures background);
+
+	}
+
+}

src/main/java/com/simibubi/create/compat/computercraft/FallbackComputerBehaviour.java

@@ -0,0 +1,16 @@
+package com.simibubi.create.compat.computercraft;
+
+import com.simibubi.create.foundation.blockEntity.SmartBlockEntity;
+
+public class FallbackComputerBehaviour extends AbstractComputerBehaviour {
+
+	public FallbackComputerBehaviour(SmartBlockEntity te) {
+		super(te);
+	}
+
+	@Override
+	public boolean hasAttachedComputer() {
+		return false;
+	}
+	
+}

src/main/java/com/simibubi/create/compat/computercraft/implementation/ComputerBehaviour.java

@@ -0,0 +1,74 @@
+package com.simibubi.create.compat.computercraft.implementation;
+
+import com.simibubi.create.compat.computercraft.AbstractComputerBehaviour;
+import com.simibubi.create.compat.computercraft.implementation.peripherals.DisplayLinkPeripheral;
+import com.simibubi.create.compat.computercraft.implementation.peripherals.SequencedGearshiftPeripheral;
+import com.simibubi.create.compat.computercraft.implementation.peripherals.SpeedControllerPeripheral;
+import com.simibubi.create.compat.computercraft.implementation.peripherals.SpeedGaugePeripheral;
+import com.simibubi.create.compat.computercraft.implementation.peripherals.StationPeripheral;
+import com.simibubi.create.compat.computercraft.implementation.peripherals.StressGaugePeripheral;
+import com.simibubi.create.content.contraptions.relays.advanced.SpeedControllerBlockEntity;
+import com.simibubi.create.content.contraptions.relays.advanced.sequencer.SequencedGearshiftBlockEntity;
+import com.simibubi.create.content.contraptions.relays.gauge.SpeedGaugeBlockEntity;
+import com.simibubi.create.content.contraptions.relays.gauge.StressGaugeBlockEntity;
+import com.simibubi.create.content.logistics.block.display.DisplayLinkBlockEntity;
+import com.simibubi.create.content.logistics.trains.management.edgePoint.station.StationBlockEntity;
+import com.simibubi.create.foundation.blockEntity.SmartBlockEntity;
+
+import dan200.computercraft.api.peripheral.IPeripheral;
+import net.minecraftforge.common.capabilities.Capability;
+import net.minecraftforge.common.capabilities.CapabilityManager;
+import net.minecraftforge.common.capabilities.CapabilityToken;
+import net.minecraftforge.common.util.LazyOptional;
+import net.minecraftforge.common.util.NonNullSupplier;
+
+public class ComputerBehaviour extends AbstractComputerBehaviour {
+
+	protected static final Capability<IPeripheral> PERIPHERAL_CAPABILITY =
+		CapabilityManager.get(new CapabilityToken<>() {
+		});
+	LazyOptional<IPeripheral> peripheral;
+	NonNullSupplier<IPeripheral> peripheralSupplier;
+
+	public ComputerBehaviour(SmartBlockEntity te) {
+		super(te);
+		this.peripheralSupplier = getPeripheralFor(te);
+	}
+
+	public static NonNullSupplier<IPeripheral> getPeripheralFor(SmartBlockEntity te) {
+		if (te instanceof SpeedControllerBlockEntity scte)
+			return () -> new SpeedControllerPeripheral(scte, scte.targetSpeed);
+		if (te instanceof DisplayLinkBlockEntity dlte)
+			return () -> new DisplayLinkPeripheral(dlte);
+		if (te instanceof SequencedGearshiftBlockEntity sgte)
+			return () -> new SequencedGearshiftPeripheral(sgte);
+		if (te instanceof SpeedGaugeBlockEntity sgte)
+			return () -> new SpeedGaugePeripheral(sgte);
+		if (te instanceof StressGaugeBlockEntity sgte)
+			return () -> new StressGaugePeripheral(sgte);
+		if (te instanceof StationBlockEntity ste)
+			return () -> new StationPeripheral(ste);
+
+		throw new IllegalArgumentException("No peripheral available for " + te.getType()
+			.getRegistryName());
+	}
+
+	@Override
+	public <T> boolean isPeripheralCap(Capability<T> cap) {
+		return cap == PERIPHERAL_CAPABILITY;
+	}
+
+	@Override
+	public <T> LazyOptional<T> getPeripheralCapability() {
+		if (peripheral == null || !peripheral.isPresent())
+			peripheral = LazyOptional.of(peripheralSupplier);
+		return peripheral.cast();
+	}
+
+	@Override
+	public void removePeripheral() {
+		if (peripheral != null)
+			peripheral.invalidate();
+	}
+
+}

src/main/java/com/simibubi/create/compat/computercraft/implementation/CreateLuaTable.java

@@ -0,0 +1,172 @@
+package com.simibubi.create.compat.computercraft.implementation;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import dan200.computercraft.api.lua.LuaException;
+import dan200.computercraft.api.lua.LuaTable;
+import dan200.computercraft.api.lua.LuaValues;
+
+public class CreateLuaTable implements LuaTable<Object, Object> {
+
+	private final Map<Object, Object> map;
+
+	public CreateLuaTable() {
+		this.map = new HashMap<>();
+	}
+
+	public CreateLuaTable(Map<?, ?> map) {
+		this.map = new HashMap<>(map);
+	}
+
+	public boolean getBoolean(String key) throws LuaException {
+		Object value = get(key);
+
+		if (!(value instanceof Boolean))
+			throw LuaValues.badField(key, "boolean", LuaValues.getType(value));
+
+		return (Boolean) value;
+	}
+
+	public String getString(String key) throws LuaException {
+		Object value = get(key);
+
+		if (!(value instanceof String))
+			throw LuaValues.badField(key, "string", LuaValues.getType(value));
+
+		return (String) value;
+	}
+
+	public CreateLuaTable getTable(String key) throws LuaException {
+		Object value = get(key);
+
+		if (!(value instanceof Map<?, ?>))
+			throw LuaValues.badField(key, "table", LuaValues.getType(value));
+
+		return new CreateLuaTable((Map<?, ?>) value);
+	}
+
+	public Optional<Boolean> getOptBoolean(String key) throws LuaException {
+		Object value = get(key);
+
+		if (value == null)
+			return Optional.empty();
+
+		if (!(value instanceof Boolean))
+			throw LuaValues.badField(key, "boolean", LuaValues.getType(value));
+
+		return Optional.of((Boolean) value);
+	}
+
+	public Set<String> stringKeySet() throws LuaException {
+		Set<String> stringSet = new HashSet<>();
+
+		for (Object key : keySet()) {
+			if (!(key instanceof String))
+				throw new LuaException("key " + key + " is not string (got " + LuaValues.getType(key) + ")");
+
+			stringSet.add((String) key);
+		}
+
+		return Collections.unmodifiableSet(stringSet);
+	}
+
+	public Collection<CreateLuaTable> tableValues() throws LuaException {
+		List<CreateLuaTable> tables = new ArrayList<>();
+
+		for (int i = 1; i <= size(); i++) {
+			Object value = get((double) i);
+
+			if (!(value instanceof Map<?, ?>))
+				throw new LuaException("value " + value + " is not table (got " + LuaValues.getType(value) + ")");
+
+			tables.add(new CreateLuaTable((Map<?, ?>) value));
+		}
+
+		return Collections.unmodifiableList(tables);
+	}
+
+	public Map<Object, Object> getMap() {
+		return map;
+	}
+
+	@Nullable
+	@Override
+	public Object put(Object key, Object value) {
+		return map.put(key, value);
+	}
+
+	public void putBoolean(String key, boolean value) {
+		map.put(key, value);
+	}
+
+	public void putDouble(String key, double value) {
+		map.put(key, value);
+	}
+
+	public void putString(String key, String value) {
+		map.put(key, value);
+	}
+
+	public void putTable(String key, CreateLuaTable value) {
+		map.put(key, value);
+	}
+
+	public void putTable(int i, CreateLuaTable value) {
+		map.put(i, value);
+	}
+
+	@Override
+	public int size() {
+		return map.size();
+	}
+
+	@Override
+	public boolean isEmpty() {
+		return map.isEmpty();
+	}
+
+	@Override
+	public boolean containsKey(Object o) {
+		return map.containsKey(o);
+	}
+
+	@Override
+	public boolean containsValue(Object o) {
+		return map.containsValue(o);
+	}
+
+	@Override
+	public Object get(Object o) {
+		return map.get(o);
+	}
+
+	@NotNull
+	@Override
+	public Set<Object> keySet() {
+		return map.keySet();
+	}
+
+	@NotNull
+	@Override
+	public Collection<Object> values() {
+		return map.values();
+	}
+
+	@NotNull
+	@Override
+	public Set<Entry<Object, Object>> entrySet() {
+		return map.entrySet();
+	}
+
+}

src/main/java/com/simibubi/create/compat/computercraft/implementation/peripherals/DisplayLinkPeripheral.java

@@ -0,0 +1,108 @@
+package com.simibubi.create.compat.computercraft.implementation.peripherals;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.jetbrains.annotations.NotNull;
+
+import com.simibubi.create.content.logistics.block.display.DisplayLinkBlockEntity;
+import com.simibubi.create.content.logistics.block.display.DisplayLinkContext;
+import com.simibubi.create.content.logistics.block.display.target.DisplayTargetStats;
+
+import dan200.computercraft.api.lua.LuaFunction;
+import net.minecraft.nbt.ListTag;
+import net.minecraft.nbt.StringTag;
+import net.minecraft.nbt.Tag;
+
+public class DisplayLinkPeripheral extends SyncedPeripheral<DisplayLinkBlockEntity> {
+
+	public static final String TAG_KEY = "ComputerSourceList";
+	private final AtomicInteger cursorX = new AtomicInteger();
+	private final AtomicInteger cursorY = new AtomicInteger();
+
+	public DisplayLinkPeripheral(DisplayLinkBlockEntity tile) {
+		super(tile);
+	}
+
+	@LuaFunction
+	public final void setCursorPos(int x, int y) {
+		cursorX.set(x - 1);
+		cursorY.set(y - 1);
+	}
+
+	@LuaFunction
+	public final Object[] getCursorPos() {
+		return new Object[] {cursorX.get() + 1, cursorY.get() + 1};
+	}
+
+	@LuaFunction(mainThread = true)
+	public final Object[] getSize() {
+		DisplayTargetStats stats = tile.activeTarget.provideStats(new DisplayLinkContext(tile.getLevel(), tile));
+		return new Object[]{stats.maxRows(), stats.maxColumns()};
+	}
+
+	@LuaFunction
+	public final boolean isColor() {
+		return false;
+	}
+
+	@LuaFunction
+	public final boolean isColour() {
+		return false;
+	}
+
+	@LuaFunction
+	public final void write(String text) {
+		ListTag tag = tile.getSourceConfig().getList(TAG_KEY, Tag.TAG_STRING);
+
+		int x = cursorX.get();
+		int y = cursorY.get();
+
+		for (int i = tag.size(); i <= y; i++) {
+			tag.add(StringTag.valueOf(""));
+		}
+
+		StringBuilder builder = new StringBuilder(tag.getString(y));
+
+		builder.append(" ".repeat(Math.max(0, x - builder.length())));
+		builder.replace(x, x + text.length(), text);
+
+		tag.set(y, StringTag.valueOf(builder.toString()));
+
+		synchronized (tile) {
+			tile.getSourceConfig().put(TAG_KEY, tag);
+		}
+
+		cursorX.set(x + text.length());
+	}
+
+	@LuaFunction
+	public final void clearLine() {
+		ListTag tag = tile.getSourceConfig().getList(TAG_KEY, Tag.TAG_STRING);
+
+		if (tag.size() > cursorY.get())
+			tag.set(cursorY.get(), StringTag.valueOf(""));
+
+		synchronized (tile) {
+			tile.getSourceConfig().put(TAG_KEY, tag);
+		}
+	}
+
+	@LuaFunction
+	public final void clear() {
+		synchronized (tile) {
+			tile.getSourceConfig().put(TAG_KEY, new ListTag());
+		}
+	}
+
+	@LuaFunction(mainThread = true)
+	public final void update() {
+		tile.tickSource();
+	}
+
+	@NotNull
+	@Override
+	public String getType() {
+		return "Create_DisplayLink";
+	}
+
+}

src/main/java/com/simibubi/create/compat/computercraft/implementation/peripherals/SequencedGearshiftPeripheral.java

@@ -0,0 +1,54 @@
+package com.simibubi.create.compat.computercraft.implementation.peripherals;
+
+import org.jetbrains.annotations.NotNull;
+
+import com.simibubi.create.content.contraptions.relays.advanced.sequencer.Instruction;
+import com.simibubi.create.content.contraptions.relays.advanced.sequencer.InstructionSpeedModifiers;
+import com.simibubi.create.content.contraptions.relays.advanced.sequencer.SequencedGearshiftBlockEntity;
+import com.simibubi.create.content.contraptions.relays.advanced.sequencer.SequencerInstructions;
+
+import dan200.computercraft.api.lua.IArguments;
+import dan200.computercraft.api.lua.LuaException;
+import dan200.computercraft.api.lua.LuaFunction;
+
+public class SequencedGearshiftPeripheral extends SyncedPeripheral<SequencedGearshiftBlockEntity> {
+
+	public SequencedGearshiftPeripheral(SequencedGearshiftBlockEntity tile) {
+		super(tile);
+	}
+
+	@LuaFunction(mainThread = true)
+	public final void rotate(IArguments arguments) throws LuaException {
+		runInstruction(arguments, SequencerInstructions.TURN_ANGLE);
+	}
+
+	@LuaFunction(mainThread = true)
+	public final void move(IArguments arguments) throws LuaException {
+		runInstruction(arguments, SequencerInstructions.TURN_DISTANCE);
+	}
+
+	@LuaFunction
+	public final boolean isRunning() {
+		return !this.tile.isIdle();
+	}
+
+	private void runInstruction(IArguments arguments, SequencerInstructions instructionType) throws LuaException {
+		int speedModifier = arguments.count() > 1 ? arguments.getInt(1) : 1;
+		this.tile.getInstructions().clear();
+
+		this.tile.getInstructions().add(new Instruction(
+				instructionType,
+				InstructionSpeedModifiers.getByModifier(speedModifier),
+				Math.abs(arguments.getInt(0))));
+		this.tile.getInstructions().add(new Instruction(SequencerInstructions.END));
+
+		this.tile.run(0);
+	}
+
+	@NotNull
+	@Override
+	public String getType() {
+		return "Create_SequencedGearshift";
+	}
+
+}

src/main/java/com/simibubi/create/compat/computercraft/implementation/peripherals/SpeedControllerPeripheral.java

@@ -0,0 +1,35 @@
+package com.simibubi.create.compat.computercraft.implementation.peripherals;
+
+import org.jetbrains.annotations.NotNull;
+
+import com.simibubi.create.content.contraptions.relays.advanced.SpeedControllerBlockEntity;
+import com.simibubi.create.foundation.blockEntity.behaviour.scrollvalue.ScrollValueBehaviour;
+
+import dan200.computercraft.api.lua.LuaFunction;
+
+public class SpeedControllerPeripheral extends SyncedPeripheral<SpeedControllerBlockEntity> {
+
+	private final ScrollValueBehaviour targetSpeed;
+
+	public SpeedControllerPeripheral(SpeedControllerBlockEntity tile, ScrollValueBehaviour targetSpeed) {
+		super(tile);
+		this.targetSpeed = targetSpeed;
+	}
+
+	@LuaFunction(mainThread = true)
+	public final void setTargetSpeed(int speed) {
+		this.targetSpeed.setValue(speed);
+	}
+
+	@LuaFunction
+	public final float getTargetSpeed() {
+		return this.targetSpeed.getValue();
+	}
+
+	@NotNull
+	@Override
+	public String getType() {
+		return "Create_RotationSpeedController";
+	}
+
+}

src/main/java/com/simibubi/create/compat/computercraft/implementation/peripherals/SpeedGaugePeripheral.java

@@ -0,0 +1,26 @@
+package com.simibubi.create.compat.computercraft.implementation.peripherals;
+
+import org.jetbrains.annotations.NotNull;
+
+import com.simibubi.create.content.contraptions.relays.gauge.SpeedGaugeBlockEntity;
+
+import dan200.computercraft.api.lua.LuaFunction;
+
+public class SpeedGaugePeripheral extends SyncedPeripheral<SpeedGaugeBlockEntity> {
+
+	public SpeedGaugePeripheral(SpeedGaugeBlockEntity tile) {
+		super(tile);
+	}
+
+	@LuaFunction
+	public final float getSpeed() {
+		return this.tile.getSpeed();
+	}
+
+	@NotNull
+	@Override
+	public String getType() {
+		return "Create_Speedometer";
+	}
+
+}

src/main/java/com/simibubi/create/compat/computercraft/implementation/peripherals/StationPeripheral.java

@@ -0,0 +1,269 @@
+package com.simibubi.create.compat.computercraft.implementation.peripherals;
+
+import java.util.Map;
+
+import javax.annotation.Nullable;
+
+import org.jetbrains.annotations.NotNull;
+
+import com.simibubi.create.compat.computercraft.implementation.CreateLuaTable;
+import com.simibubi.create.content.logistics.trains.entity.Train;
+import com.simibubi.create.content.logistics.trains.management.edgePoint.station.GlobalStation;
+import com.simibubi.create.content.logistics.trains.management.edgePoint.station.StationBlockEntity;
+import com.simibubi.create.content.logistics.trains.management.edgePoint.station.TrainEditPacket;
+import com.simibubi.create.content.logistics.trains.management.schedule.Schedule;
+import com.simibubi.create.foundation.networking.AllPackets;
+import com.simibubi.create.foundation.utility.Components;
+import com.simibubi.create.foundation.utility.StringHelper;
+
+import dan200.computercraft.api.lua.IArguments;
+import dan200.computercraft.api.lua.LuaException;
+import dan200.computercraft.api.lua.LuaFunction;
+import net.minecraft.nbt.ByteTag;
+import net.minecraft.nbt.CollectionTag;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.DoubleTag;
+import net.minecraft.nbt.IntTag;
+import net.minecraft.nbt.ListTag;
+import net.minecraft.nbt.NumericTag;
+import net.minecraft.nbt.StringTag;
+import net.minecraft.nbt.Tag;
+import net.minecraftforge.network.PacketDistributor;
+
+public class StationPeripheral extends SyncedPeripheral<StationBlockEntity> {
+
+	public StationPeripheral(StationBlockEntity tile) {
+		super(tile);
+	}
+
+	@LuaFunction(mainThread = true)
+	public final void assemble() throws LuaException {
+		if (!tile.isAssembling())
+			throw new LuaException("station must be in assembly mode");
+
+		tile.assemble(null);
+
+		if (tile.getStation() == null || tile.getStation().getPresentTrain() == null)
+			throw new LuaException("failed to assemble train");
+
+		if (!tile.exitAssemblyMode())
+			throw new LuaException("failed to exit assembly mode");
+	}
+
+	@LuaFunction(mainThread = true)
+	public final void disassemble() throws LuaException {
+		if (tile.isAssembling())
+			throw new LuaException("station must not be in assembly mode");
+
+		getTrainOrThrow();
+
+		if (!tile.enterAssemblyMode(null))
+			throw new LuaException("could not disassemble train");
+	}
+
+	@LuaFunction(mainThread = true)
+	public final void setAssemblyMode(boolean assemblyMode) throws LuaException {
+		if (assemblyMode) {
+			if (!tile.enterAssemblyMode(null))
+				throw new LuaException("failed to enter assembly mode");
+		} else {
+			if (!tile.exitAssemblyMode())
+				throw new LuaException("failed to exit assembly mode");
+		}
+	}
+
+	@LuaFunction
+	public final boolean isInAssemblyMode() {
+		return tile.isAssembling();
+	}
+
+	@LuaFunction
+	public final String getStationName() throws LuaException {
+		GlobalStation station = tile.getStation();
+		if (station == null)
+			throw new LuaException("station is not connected to a track");
+
+		return station.name;
+	}
+
+	@LuaFunction(mainThread = true)
+	public final void setStationName(String name) throws LuaException {
+		if (!tile.updateName(name))
+			throw new LuaException("could not set station name");
+	}
+
+	@LuaFunction
+	public final boolean isTrainPresent() throws LuaException {
+		GlobalStation station = tile.getStation();
+		if (station == null)
+			throw new LuaException("station is not connected to a track");
+
+		return station.getPresentTrain() != null;
+	}
+
+	@LuaFunction
+	public final boolean isTrainImminent() throws LuaException {
+		GlobalStation station = tile.getStation();
+		if (station == null)
+			throw new LuaException("station is not connected to a track");
+
+		return station.getImminentTrain() != null;
+	}
+
+	@LuaFunction
+	public final boolean isTrainEnroute() throws LuaException {
+		GlobalStation station = tile.getStation();
+		if (station == null)
+			throw new LuaException("station is not connected to a track");
+
+		return station.getNearestTrain() != null;
+	}
+
+	@LuaFunction
+	public final String getTrainName() throws LuaException {
+		Train train = getTrainOrThrow();
+		return train.name.getString();
+	}
+
+	@LuaFunction(mainThread = true)
+	public final void setTrainName(String name) throws LuaException {
+		Train train = getTrainOrThrow();
+		train.name = Components.literal(name);
+		AllPackets.getChannel().send(PacketDistributor.ALL.noArg(), new TrainEditPacket.TrainEditReturnPacket(train.id, name, train.icon.getId()));
+	}
+
+	@LuaFunction
+	public final boolean hasSchedule() throws LuaException {
+		Train train = getTrainOrThrow();
+		return train.runtime.getSchedule() != null;
+	}
+
+	@LuaFunction
+	public final CreateLuaTable getSchedule() throws LuaException {
+		Train train = getTrainOrThrow();
+
+		Schedule schedule = train.runtime.getSchedule();
+		if (schedule == null)
+			throw new LuaException("train doesn't have a schedule");
+
+		return fromCompoundTag(schedule.write());
+	}
+
+	@LuaFunction(mainThread = true)
+	public final void setSchedule(IArguments arguments) throws LuaException {
+		Train train = getTrainOrThrow();
+		Schedule schedule = Schedule.fromTag(toCompoundTag(new CreateLuaTable(arguments.getTable(0))));
+		boolean autoSchedule = train.runtime.getSchedule() == null || train.runtime.isAutoSchedule;
+		train.runtime.setSchedule(schedule, autoSchedule);
+	}
+
+	private @NotNull Train getTrainOrThrow() throws LuaException {
+		GlobalStation station = tile.getStation();
+		if (station == null)
+			throw new LuaException("station is not connected to a track");
+
+		Train train = station.getPresentTrain();
+		if (train == null)
+			throw new LuaException("there is no train present");
+
+		return train;
+	}
+
+	private static @NotNull CreateLuaTable fromCompoundTag(CompoundTag tag) throws LuaException {
+		return (CreateLuaTable) fromNBTTag(null, tag);
+	}
+
+	private static @NotNull Object fromNBTTag(@Nullable String key, Tag tag) throws LuaException {
+		byte type = tag.getId();
+
+		if (type == Tag.TAG_BYTE && key != null && key.equals("Count"))
+			return ((NumericTag) tag).getAsByte();
+		else if (type == Tag.TAG_BYTE)
+			return ((NumericTag) tag).getAsByte() != 0;
+		else if (type == Tag.TAG_SHORT || type == Tag.TAG_INT || type == Tag.TAG_LONG)
+			return ((NumericTag) tag).getAsLong();
+		else if (type == Tag.TAG_FLOAT || type == Tag.TAG_DOUBLE)
+			return ((NumericTag) tag).getAsDouble();
+		else if (type == Tag.TAG_STRING)
+			return tag.getAsString();
+		else if (type == Tag.TAG_LIST || type == Tag.TAG_BYTE_ARRAY || type == Tag.TAG_INT_ARRAY || type == Tag.TAG_LONG_ARRAY) {
+			CreateLuaTable list = new CreateLuaTable();
+			CollectionTag<?> listTag = (CollectionTag<?>) tag;
+
+			for (int i = 0; i < listTag.size(); i++) {
+				list.put(i + 1, fromNBTTag(null, listTag.get(i)));
+			}
+
+			return list;
+
+		} else if (type == Tag.TAG_COMPOUND) {
+			CreateLuaTable table = new CreateLuaTable();
+			CompoundTag compoundTag = (CompoundTag) tag;
+
+			for (String compoundKey : compoundTag.getAllKeys()) {
+				table.put(
+						StringHelper.camelCaseToSnakeCase(compoundKey),
+						fromNBTTag(compoundKey, compoundTag.get(compoundKey))
+				);
+			}
+
+			return table;
+		}
+
+		throw new LuaException("unknown tag type " + tag.getType().getName());
+	}
+
+	private static @NotNull CompoundTag toCompoundTag(CreateLuaTable table) throws LuaException {
+		return (CompoundTag) toNBTTag(null, table.getMap());
+	}
+
+	private static @NotNull Tag toNBTTag(@Nullable String key, Object value) throws LuaException {
+		if (value instanceof Boolean v)
+			return ByteTag.valueOf(v);
+		else if (value instanceof Byte || (key != null && key.equals("count")))
+			return ByteTag.valueOf(((Number) value).byteValue());
+		else if (value instanceof Number v) {
+			// If number is numerical integer
+			if (v.intValue() == v.doubleValue())
+				return IntTag.valueOf(v.intValue());
+			else
+				return DoubleTag.valueOf(v.doubleValue());
+
+		} else if (value instanceof String v)
+			return StringTag.valueOf(v);
+		else if (value instanceof Map<?, ?> v && v.containsKey(1.0)) { // List
+			ListTag list = new ListTag();
+			for (Object o : v.values()) {
+				list.add(toNBTTag(null, o));
+			}
+
+			return list;
+
+		} else if (value instanceof Map<?, ?> v) { // Table/Map
+			CompoundTag compound = new CompoundTag();
+			for (Object objectKey : v.keySet()) {
+				if (!(objectKey instanceof String compoundKey))
+					throw new LuaException("table key is not of type string");
+
+				compound.put(
+						// Items serialize their resource location as "id" and not as "Id".
+						// This check is needed to see if the 'i' should be left lowercase or not.
+						// Items store "count" in the same compound tag, so we can check for its presence to see if this is a serialized item
+						compoundKey.equals("id") && v.containsKey("count") ? "id" : StringHelper.snakeCaseToCamelCase(compoundKey),
+						toNBTTag(compoundKey, v.get(compoundKey))
+				);
+			}
+
+			return compound;
+		}
+
+		throw new LuaException("unknown object type " + value.getClass().getName());
+	}
+
+	@NotNull
+	@Override
+	public String getType() {
+		return "Create_Station";
+	}
+
+}

src/main/java/com/simibubi/create/compat/computercraft/implementation/peripherals/StressGaugePeripheral.java

@@ -0,0 +1,31 @@
+package com.simibubi.create.compat.computercraft.implementation.peripherals;
+
+import org.jetbrains.annotations.NotNull;
+
+import com.simibubi.create.content.contraptions.relays.gauge.StressGaugeBlockEntity;
+
+import dan200.computercraft.api.lua.LuaFunction;
+
+public class StressGaugePeripheral extends SyncedPeripheral<StressGaugeBlockEntity> {
+
+	public StressGaugePeripheral(StressGaugeBlockEntity tile) {
+		super(tile);
+	}
+
+	@LuaFunction
+	public final float getStress() {
+		return this.tile.getNetworkStress();
+	}
+
+	@LuaFunction
+	public final float getStressCapacity() {
+		return this.tile.getNetworkCapacity();
+	}
+
+	@NotNull
+	@Override
+	public String getType() {
+		return "Create_Stressometer";
+	}
+
+}

src/main/java/com/simibubi/create/compat/computercraft/implementation/peripherals/SyncedPeripheral.java

@@ -0,0 +1,50 @@
+package com.simibubi.create.compat.computercraft.implementation.peripherals;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import com.simibubi.create.compat.computercraft.AttachedComputerPacket;
+import com.simibubi.create.compat.computercraft.implementation.ComputerBehaviour;
+import com.simibubi.create.foundation.blockEntity.SmartBlockEntity;
+import com.simibubi.create.foundation.networking.AllPackets;
+
+import dan200.computercraft.api.peripheral.IComputerAccess;
+import dan200.computercraft.api.peripheral.IPeripheral;
+import net.minecraftforge.network.PacketDistributor;
+
+public abstract class SyncedPeripheral<T extends SmartBlockEntity> implements IPeripheral {
+
+	protected final T tile;
+	private final AtomicInteger computers = new AtomicInteger();
+
+	public SyncedPeripheral(T tile) {
+		this.tile = tile;
+	}
+
+	@Override
+	public void attach(@NotNull IComputerAccess computer) {
+		computers.incrementAndGet();
+		updateTile();
+	}
+
+	@Override
+	public void detach(@NotNull IComputerAccess computer) {
+		computers.decrementAndGet();
+		updateTile();
+	}
+
+	private void updateTile() {
+		boolean hasAttachedComputer = computers.get() > 0;
+
+		tile.getBehaviour(ComputerBehaviour.TYPE).setHasAttachedComputer(hasAttachedComputer);
+		AllPackets.getChannel().send(PacketDistributor.ALL.noArg(), new AttachedComputerPacket(tile.getBlockPos(), hasAttachedComputer));
+	}
+
+	@Override
+	public boolean equals(@Nullable IPeripheral other) {
+		return this == other;
+	}
+
+}

src/main/java/com/simibubi/create/content/contraptions/components/actors/DrillMovementBehaviour.java

@@ -4,7 +4,7 @@ import javax.annotation.Nullable;
 
 import com.jozufozu.flywheel.api.MaterialManager;
 import com.jozufozu.flywheel.core.virtual.VirtualRenderWorld;
-import com.simibubi.create.AllBlocks;
+import com.simibubi.create.AllTags;
 import com.simibubi.create.content.contraptions.components.structureMovement.MovementContext;
 import com.simibubi.create.content.contraptions.components.structureMovement.render.ActorInstance;
 import com.simibubi.create.content.contraptions.components.structureMovement.render.ContraptionMatrices;
@@ -62,7 +62,7 @@ public class DrillMovementBehaviour extends BlockBreakingMovementBehaviour {
 	@Override
 	public boolean canBreak(Level world, BlockPos breakingPos, BlockState state) {
 		return super.canBreak(world, breakingPos, state) && !state.getCollisionShape(world, breakingPos)
-			.isEmpty() && !AllBlocks.TRACK.has(state);
+			.isEmpty() && !AllTags.AllBlockTags.TRACKS.matches(state);
 	}
 
 }

src/main/java/com/simibubi/create/content/contraptions/components/press/MechanicalPressBlockEntity.java

@@ -3,8 +3,8 @@ package com.simibubi.create.content.contraptions.components.press;
 import java.util.List;
 import java.util.Optional;
 
-import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllRecipeTypes;
+import com.simibubi.create.AllTags;
 import com.simibubi.create.content.contraptions.components.crafter.MechanicalCraftingRecipe;
 import com.simibubi.create.content.contraptions.components.press.PressingBehaviour.Mode;
 import com.simibubi.create.content.contraptions.components.press.PressingBehaviour.PressingBehaviourSpecifics;
@@ -68,7 +68,7 @@ public class MechanicalPressBlockEntity extends BasinOperatingBlockEntity implem
 
 	public void onItemPressed(ItemStack result) {
 		award(AllAdvancements.PRESS);
-		if (AllBlocks.TRACK.isIn(result))
+		if (AllTags.AllBlockTags.TRACKS.matches(result))
 			tracksCreated += result.getCount();
 		if (tracksCreated >= 1000) {
 			award(AllAdvancements.TRACK_CRAFTING);

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

@@ -29,7 +29,7 @@ import com.simibubi.create.content.contraptions.fluids.tank.FluidTankBlock;
 import com.simibubi.create.content.curiosities.deco.SlidingDoorBlock;
 import com.simibubi.create.content.logistics.block.redstone.RedstoneLinkBlock;
 import com.simibubi.create.content.logistics.block.vault.ItemVaultBlock;
-import com.simibubi.create.content.logistics.trains.IBogeyBlock;
+import com.simibubi.create.content.logistics.trains.AbstractBogeyBlock;
 import com.simibubi.create.content.logistics.trains.ITrackBlock;
 import com.simibubi.create.content.logistics.trains.management.edgePoint.station.StationBlock;
 import com.simibubi.create.foundation.config.ContraptionMovementSetting;
@@ -338,7 +338,7 @@ public class BlockMovementChecks {
 			return direction == state.getValue(StickerBlock.FACING)
 				&& !isNotSupportive(world.getBlockState(pos.relative(direction)), direction.getOpposite());
 		}
-		if (block instanceof IBogeyBlock bogey)
+		if (block instanceof AbstractBogeyBlock bogey)
 			return bogey.getStickySurfaces(world, pos, state)
 				.contains(direction);
 		if (block instanceof WhistleBlock)

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

@@ -64,7 +64,7 @@ import com.simibubi.create.content.curiosities.deco.SlidingDoorBlock;
 import com.simibubi.create.content.logistics.block.inventories.CreativeCrateBlockEntity;
 import com.simibubi.create.content.logistics.block.redstone.RedstoneContactBlock;
 import com.simibubi.create.content.logistics.block.vault.ItemVaultBlockEntity;
-import com.simibubi.create.content.logistics.trains.IBogeyBlock;
+import com.simibubi.create.content.logistics.trains.AbstractBogeyBlock;
 import com.simibubi.create.foundation.blockEntity.IMultiBlockEntityContainer;
 import com.simibubi.create.foundation.blockEntity.behaviour.filtering.FilteringBehaviour;
 import com.simibubi.create.foundation.config.AllConfigs;
@@ -347,7 +347,7 @@ public abstract class Contraption {
 		}
 
 		// Bogeys tend to have sticky sides
-		if (state.getBlock()instanceof IBogeyBlock bogey)
+		if (state.getBlock()instanceof AbstractBogeyBlock<?> bogey)
 			for (Direction d : bogey.getStickySurfaces(world, pos, state))
 				if (!visited.contains(pos.relative(d)))
 					frontier.add(pos.relative(d));

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

@@ -202,6 +202,7 @@ public class GantryContraptionEntity extends AbstractContraptionEntity {
 	}
 
 	@Override
+	@OnlyIn(Dist.CLIENT)
 	public void applyLocalTransforms(PoseStack matrixStack, float partialTicks) {}
 
 	public void updateClientMotion() {

src/main/java/com/simibubi/create/content/contraptions/components/waterwheel/WaterWheelInstance.java

@@ -42,7 +42,6 @@ public class WaterWheelInstance<T extends WaterWheelBlockEntity> extends CutoutR
 		return getRotatingMaterial().model(key, () -> {
 			BakedModel model = WaterWheelRenderer.generateModel(key);
 			BlockState state = key.state();
-			// TODO waterwheels
 			Direction dir;
 			if (key.large()) {
 				dir = Direction.fromAxisAndDirection(state.getValue(LargeWaterWheelBlock.AXIS), AxisDirection.POSITIVE);

src/main/java/com/simibubi/create/content/contraptions/components/waterwheel/WaterWheelRenderer.java

@@ -3,9 +3,7 @@ package com.simibubi.create.content.contraptions.components.waterwheel;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
-import java.util.Random;
 
-import com.jozufozu.flywheel.core.PartialModel;
 import com.jozufozu.flywheel.core.StitchedSprite;
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllPartialModels;
@@ -32,6 +30,7 @@ import net.minecraft.util.RandomSource;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.Blocks;
 import net.minecraft.world.level.block.state.BlockState;
+import net.minecraftforge.client.model.data.ModelData;
 import net.minecraftforge.registries.ForgeRegistries;
 
 public class WaterWheelRenderer<T extends WaterWheelBlockEntity> extends KineticBlockEntityRenderer<T> {
@@ -41,6 +40,8 @@ public class WaterWheelRenderer<T extends WaterWheelBlockEntity> extends Kinetic
 	public static final StitchedSprite OAK_LOG_TEMPLATE = new StitchedSprite(new ResourceLocation("block/oak_log"));
 	public static final StitchedSprite OAK_LOG_TOP_TEMPLATE = new StitchedSprite(new ResourceLocation("block/oak_log_top"));
 
+	private static final String[] LOG_SUFFIXES = new String[] { "_log", "_stem" };
+
 	protected final boolean large;
 
 	public WaterWheelRenderer(Context context, boolean large) {
@@ -60,9 +61,8 @@ public class WaterWheelRenderer<T extends WaterWheelBlockEntity> extends Kinetic
 	protected SuperByteBuffer getRotatedModel(T be, BlockState state) {
 		WaterWheelModelKey key = new WaterWheelModelKey(large, state, be.material);
 		return CreateClient.BUFFER_CACHE.get(WATER_WHEEL, key, () -> {
-			BakedModel model = WaterWheelRenderer.generateModel(key);
+			BakedModel model = generateModel(key);
 			BlockState state1 = key.state();
-			// TODO waterwheels
 			Direction dir;
 			if (key.large()) {
 				dir = Direction.fromAxisAndDirection(state1.getValue(LargeWaterWheelBlock.AXIS), AxisDirection.POSITIVE);
@@ -74,25 +74,24 @@ public class WaterWheelRenderer<T extends WaterWheelBlockEntity> extends Kinetic
 		});
 	}
 
-	public static PartialModel getTemplateModel(boolean large, boolean extension) {
-		if (large) {
+	public static BakedModel generateModel(WaterWheelModelKey key) {
+		BakedModel template;
+		if (key.large()) {
+			boolean extension = key.state()
+				.getValue(LargeWaterWheelBlock.EXTENSION);
 			if (extension) {
-				return AllPartialModels.LARGE_WATER_WHEEL_EXTENSION;
+				template = AllPartialModels.LARGE_WATER_WHEEL_EXTENSION.get();
 			} else {
-				return AllPartialModels.LARGE_WATER_WHEEL;
+				template = AllPartialModels.LARGE_WATER_WHEEL.get();
 			}
 		} else {
-			return AllPartialModels.WATER_WHEEL;
+			template = AllPartialModels.WATER_WHEEL.get();
 		}
+
+		return generateModel(template, key.material());
 	}
 
-	public static BakedModel generateModel(WaterWheelModelKey key) {
-		boolean extension = key.state()
-			.getOptionalValue(LargeWaterWheelBlock.EXTENSION)
-			.orElse(false);
-		BakedModel template = getTemplateModel(key.large(), extension).get();
-
-		BlockState planksBlockState = key.material();
+	public static BakedModel generateModel(BakedModel template, BlockState planksBlockState) {
 		Block planksBlock = planksBlockState.getBlock();
 		ResourceLocation id = RegisteredObjects.getKeyOrThrow(planksBlock);
 		String path = id.getPath();
@@ -104,7 +103,7 @@ public class WaterWheelRenderer<T extends WaterWheelBlockEntity> extends Kinetic
 			
 			Map<TextureAtlasSprite, TextureAtlasSprite> map = new Reference2ReferenceOpenHashMap<>();
 			map.put(OAK_PLANKS_TEMPLATE.get(), getSpriteOnSide(planksBlockState, Direction.UP));
-			map.put(OAK_LOG_TEMPLATE.get(), getSpriteOnSide(logBlockState, Direction.NORTH));
+			map.put(OAK_LOG_TEMPLATE.get(), getSpriteOnSide(logBlockState, Direction.SOUTH));
 			map.put(OAK_LOG_TOP_TEMPLATE.get(), getSpriteOnSide(logBlockState, Direction.UP));
 
 			return BakedModelHelper.generateModel(template, map::get);
@@ -114,7 +113,7 @@ public class WaterWheelRenderer<T extends WaterWheelBlockEntity> extends Kinetic
 	}
 
 	private static BlockState getLogBlockState(String namespace, String wood) {
-		for (String suffix : new String[] { "_log", "_stem" }) {
+		for (String suffix : LOG_SUFFIXES) {
 			Optional<BlockState> state =
 				ForgeRegistries.BLOCKS.getHolder(new ResourceLocation(namespace, wood + suffix))
 					.map(Holder::value)
@@ -125,18 +124,29 @@ public class WaterWheelRenderer<T extends WaterWheelBlockEntity> extends Kinetic
 		return Blocks.OAK_LOG.defaultBlockState();
 	}
 
-	private static TextureAtlasSprite getSpriteOnSide(BlockState blockstate, Direction side) {
-		BakedModel blockModel = Minecraft.getInstance()
+	private static TextureAtlasSprite getSpriteOnSide(BlockState state, Direction side) {
+		BakedModel model = Minecraft.getInstance()
 			.getBlockRenderer()
-			.getBlockModel(blockstate);
-		if (blockModel == null)
+			.getBlockModel(state);
+		if (model == null)
 			return null;
-		@SuppressWarnings("deprecation")
-		List<BakedQuad> quads = blockModel.getQuads(blockstate, side, RandomSource.create());
-		if (quads.isEmpty())
-			return null;
-		return quads.get(0)
-			.getSprite();
+		RandomSource random = RandomSource.create();
+		random.setSeed(42L);
+		List<BakedQuad> quads = model.getQuads(state, side, random, ModelData.EMPTY, null);
+		if (!quads.isEmpty()) {
+			return quads.get(0)
+				.getSprite();
+		}
+		random.setSeed(42L);
+		quads = model.getQuads(state, null, random, ModelData.EMPTY, null);
+		if (!quads.isEmpty()) {
+			for (BakedQuad quad : quads) {
+				if (quad.getDirection() == side) {
+					return quad.getSprite();
+				}
+			}
+		}
+		return model.getParticleIcon(ModelData.EMPTY);
 	}
 
 }

src/main/java/com/simibubi/create/content/contraptions/fluids/OpenEndedPipe.java

@@ -25,6 +25,7 @@ import net.minecraft.tags.BlockTags;
 import net.minecraft.tags.FluidTags;
 import net.minecraft.world.effect.MobEffect;
 import net.minecraft.world.effect.MobEffectInstance;
+import net.minecraft.world.effect.MobEffects;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.LivingEntity;
 import net.minecraft.world.item.ItemStack;
@@ -39,6 +40,7 @@ import net.minecraft.world.level.block.state.properties.BlockStateProperties;
 import net.minecraft.world.level.material.FluidState;
 import net.minecraft.world.level.material.Fluids;
 import net.minecraft.world.phys.AABB;
+import net.minecraftforge.common.ForgeConfig;
 import net.minecraftforge.common.Tags;
 import net.minecraftforge.common.util.LazyOptional;
 import net.minecraftforge.fluids.FluidStack;
@@ -54,6 +56,7 @@ public class OpenEndedPipe extends FlowSource {
 		registerEffectHandler(new MilkEffectHandler());
 		registerEffectHandler(new WaterEffectHandler());
 		registerEffectHandler(new LavaEffectHandler());
+		registerEffectHandler(new TeaEffectHandler());
 	}
 
 	private Level world;
@@ -443,4 +446,23 @@ public class OpenEndedPipe extends FlowSource {
 		}
 	}
 
+	public static class TeaEffectHandler implements IEffectHandler {
+		@Override
+		public boolean canApplyEffects(OpenEndedPipe pipe, FluidStack fluid) {
+			return fluid.getFluid().isSame(AllFluids.TEA.get());
+		}
+
+		@Override
+		public void applyEffects(OpenEndedPipe pipe, FluidStack fluid) {
+			Level world = pipe.getWorld();
+			if (world.getGameTime() % 5 != 0)
+				return;
+			List<LivingEntity> entities = world
+					.getEntitiesOfClass(LivingEntity.class, pipe.getAOE(), LivingEntity::isAffectedByPotions);
+			for (LivingEntity entity : entities) {
+					entity.addEffect(new MobEffectInstance(MobEffects.DIG_SPEED, 21, 0, false, false, false));
+			}
+		}
+	}
+
 }

src/main/java/com/simibubi/create/content/contraptions/fluids/actors/HosePulleyFluidHandler.java

@@ -125,4 +125,8 @@ public class HosePulleyFluidHandler implements IFluidHandler {
 		return internalTank.isFluidValid(tank, stack);
 	}
 
+	public SmartFluidTank getInternalTank() {
+		return internalTank;
+	}
+
 }

src/main/java/com/simibubi/create/content/contraptions/fluids/actors/SpoutRenderer.java

@@ -38,14 +38,24 @@ public class SpoutRenderer extends SafeBlockEntityRenderer<SpoutBlockEntity> {
 			.getValue(partialTicks);
 
 		if (!fluidStack.isEmpty() && level != 0) {
+			boolean top = fluidStack.getFluid()
+					.getAttributes()
+					.isLighterThanAir();
+
 			level = Math.max(level, 0.175f);
 			float min = 2.5f / 16f;
 			float max = min + (11 / 16f);
 			float yOffset = (11 / 16f) * level;
+
 			ms.pushPose();
-			ms.translate(0, yOffset, 0);
-			FluidRenderer.renderFluidBox(fluidStack, min, min - yOffset, min, max, min, max, buffer, ms, light,
-				false);
+			if (!top) ms.translate(0, yOffset, 0);
+			else ms.translate(0, max - min, 0);
+
+			FluidRenderer.renderFluidBox(fluidStack,
+					min, min - yOffset, min,
+					max, min, max,
+					buffer, ms, light, false);
+
 			ms.popPose();
 		}
 

src/main/java/com/simibubi/create/content/contraptions/fluids/pipes/EncasedPipeBlock.java

@@ -12,6 +12,8 @@ import java.util.function.Supplier;
 
 import com.simibubi.create.AllBlockEntityTypes;
 import com.simibubi.create.AllBlocks;
+import com.simibubi.create.content.contraptions.components.structureMovement.ITransformableBlock;
+import com.simibubi.create.content.contraptions.components.structureMovement.StructureTransform;
 import com.simibubi.create.content.contraptions.fluids.FluidPropagator;
 import com.simibubi.create.content.contraptions.fluids.FluidTransportBehaviour;
 import com.simibubi.create.content.contraptions.relays.elementary.EncasedBlock;
@@ -36,7 +38,9 @@ import net.minecraft.world.item.context.UseOnContext;
 import net.minecraft.world.level.BlockGetter;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.Mirror;
 import net.minecraft.world.level.block.PipeBlock;
+import net.minecraft.world.level.block.Rotation;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockState;
@@ -46,7 +50,8 @@ import net.minecraft.world.phys.BlockHitResult;
 import net.minecraft.world.phys.HitResult;
 import net.minecraft.world.ticks.TickPriority;
 
-public class EncasedPipeBlock extends Block implements IWrenchable, ISpecialBlockItemRequirement, IBE<FluidPipeBlockEntity>, EncasedBlock {
+public class EncasedPipeBlock extends Block
+	implements IWrenchable, ISpecialBlockItemRequirement, IBE<FluidPipeBlockEntity>, EncasedBlock, ITransformableBlock {
 	public static final Map<Direction, BooleanProperty> FACING_TO_PROPERTY_MAP = PipeBlock.PROPERTY_BY_DIRECTION;
 
 	private final Supplier<Block> casing;
@@ -173,4 +178,20 @@ public class EncasedPipeBlock extends Block implements IWrenchable, ISpecialBloc
 				EncasedPipeBlock.transferSixWayProperties(state, defaultBlockState()));
 		FluidTransportBehaviour.loadFlows(level, pos);
 	}
+	
+	@Override
+	public BlockState rotate(BlockState pState, Rotation pRotation) {
+		return FluidPipeBlockRotation.rotate(pState, pRotation);
+	}
+	
+	@Override
+	public BlockState mirror(BlockState pState, Mirror pMirror) {
+		return FluidPipeBlockRotation.mirror(pState, pMirror);
+	}
+	
+	@Override
+	public BlockState transform(BlockState state, StructureTransform transform) {
+		return FluidPipeBlockRotation.transform(state, transform);
+	}
+
 }

src/main/java/com/simibubi/create/content/contraptions/fluids/pipes/FluidPipeBlock.java

@@ -7,6 +7,8 @@ import javax.annotation.Nullable;
 
 import com.simibubi.create.AllBlockEntityTypes;
 import com.simibubi.create.AllBlocks;
+import com.simibubi.create.content.contraptions.components.structureMovement.ITransformableBlock;
+import com.simibubi.create.content.contraptions.components.structureMovement.StructureTransform;
 import com.simibubi.create.content.contraptions.fluids.FluidPropagator;
 import com.simibubi.create.content.contraptions.fluids.FluidTransportBehaviour;
 import com.simibubi.create.content.contraptions.relays.elementary.BracketedBlockEntityBehaviour;
@@ -36,7 +38,9 @@ import net.minecraft.world.level.BlockGetter;
 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.Mirror;
 import net.minecraft.world.level.block.PipeBlock;
+import net.minecraft.world.level.block.Rotation;
 import net.minecraft.world.level.block.SimpleWaterloggedBlock;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockState;
@@ -50,8 +54,8 @@ import net.minecraft.world.phys.Vec3;
 import net.minecraft.world.phys.shapes.VoxelShape;
 import net.minecraft.world.ticks.TickPriority;
 
-public class FluidPipeBlock extends PipeBlock
-	implements SimpleWaterloggedBlock, IWrenchableWithBracket, IBE<FluidPipeBlockEntity>, EncasableBlock {
+public class FluidPipeBlock extends PipeBlock implements SimpleWaterloggedBlock, IWrenchableWithBracket,
+	IBE<FluidPipeBlockEntity>, EncasableBlock, ITransformableBlock {
 
 	private static final VoxelShape OCCLUSION_BOX = Block.box(4, 4, 4, 12, 12, 12);
 
@@ -337,4 +341,20 @@ public class FluidPipeBlock extends PipeBlock
 	public VoxelShape getOcclusionShape(BlockState pState, BlockGetter pLevel, BlockPos pPos) {
 		return OCCLUSION_BOX;
 	}
+	
+	@Override
+	public BlockState rotate(BlockState pState, Rotation pRotation) {
+		return FluidPipeBlockRotation.rotate(pState, pRotation);
+	}
+	
+	@Override
+	public BlockState mirror(BlockState pState, Mirror pMirror) {
+		return FluidPipeBlockRotation.mirror(pState, pMirror);
+	}
+	
+	@Override
+	public BlockState transform(BlockState state, StructureTransform transform) {
+		return FluidPipeBlockRotation.transform(state, transform);
+	}
+	
 }

src/main/java/com/simibubi/create/content/contraptions/fluids/pipes/FluidPipeBlockRotation.java

@@ -0,0 +1,49 @@
+package com.simibubi.create.content.contraptions.fluids.pipes;
+
+import java.util.Map;
+
+import com.simibubi.create.content.contraptions.components.structureMovement.StructureTransform;
+import com.simibubi.create.foundation.utility.Iterate;
+
+import net.minecraft.core.Direction;
+import net.minecraft.world.level.block.Mirror;
+import net.minecraft.world.level.block.PipeBlock;
+import net.minecraft.world.level.block.Rotation;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.block.state.properties.BooleanProperty;
+
+public class FluidPipeBlockRotation {
+
+	public static final Map<Direction, BooleanProperty> FACING_TO_PROPERTY_MAP = PipeBlock.PROPERTY_BY_DIRECTION;
+
+	public static BlockState rotate(BlockState state, Rotation rotation) {
+		BlockState rotated = state;
+		for (Direction direction : Iterate.horizontalDirections)
+			rotated = rotated.setValue(FACING_TO_PROPERTY_MAP.get(rotation.rotate(direction)),
+				state.getValue(FACING_TO_PROPERTY_MAP.get(direction)));
+		return rotated;
+	}
+
+	public static BlockState mirror(BlockState state, Mirror mirror) {
+		BlockState mirrored = state;
+		for (Direction direction : Iterate.horizontalDirections)
+			mirrored = mirrored.setValue(FACING_TO_PROPERTY_MAP.get(mirror.mirror(direction)),
+				state.getValue(FACING_TO_PROPERTY_MAP.get(direction)));
+		return mirrored;
+	}
+
+	public static BlockState transform(BlockState state, StructureTransform transform) {
+		if (transform.mirror != null)
+			state = mirror(state, transform.mirror);
+
+		if (transform.rotationAxis == Direction.Axis.Y)
+			return rotate(state, transform.rotation);
+
+		BlockState rotated = state;
+		for (Direction direction : Iterate.directions)
+			rotated = rotated.setValue(FACING_TO_PROPERTY_MAP.get(transform.rotateFacing(direction)),
+				state.getValue(FACING_TO_PROPERTY_MAP.get(direction)));
+		return rotated;
+	}
+
+}

src/main/java/com/simibubi/create/content/contraptions/fluids/pipes/SmartFluidPipeBlock.java

@@ -92,8 +92,7 @@ public class SmartFluidPipeBlock extends FaceAttachedHorizontalDirectionalBlock
 		boolean blockTypeChanged = state.getBlock() != newState.getBlock();
 		if (blockTypeChanged && !world.isClientSide)
 			FluidPropagator.propagateChangedPipe(world, pos, state);
-		if (state.hasBlockEntity() && (blockTypeChanged || !newState.hasBlockEntity()))
-			world.removeBlockEntity(pos);
+		IBE.onRemove(state, world, pos, newState);
 	}
 
 	@Override

src/main/java/com/simibubi/create/content/contraptions/itemAssembly/SequencedAssemblyRecipe.java

@@ -44,7 +44,8 @@ public class SequencedAssemblyRecipe implements Recipe<RecipeWrapper> {
 	protected List<SequencedRecipe<?>> sequence;
 	protected int loops;
 	protected ProcessingOutput transitionalItem;
-	protected List<ProcessingOutput> resultPool;
+
+	public final List<ProcessingOutput> resultPool;
 
 	public SequencedAssemblyRecipe(ResourceLocation recipeId, SequencedAssemblyRecipeSerializer serializer) {
 		this.id = recipeId;

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

@@ -2,6 +2,11 @@ package com.simibubi.create.content.contraptions.relays.advanced;
 
 import java.util.List;
 
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import com.simibubi.create.compat.computercraft.AbstractComputerBehaviour;
+import com.simibubi.create.compat.computercraft.ComputerCraftProxy;
 import com.simibubi.create.content.contraptions.RotationPropagator;
 import com.simibubi.create.content.contraptions.base.KineticBlockEntity;
 import com.simibubi.create.content.contraptions.components.motor.KineticScrollValueBehaviour;
@@ -20,11 +25,14 @@ import net.minecraft.core.Direction;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.phys.Vec3;
+import net.minecraftforge.common.capabilities.Capability;
+import net.minecraftforge.common.util.LazyOptional;
 
 public class SpeedControllerBlockEntity extends KineticBlockEntity {
 
 	public static final int DEFAULT_SPEED = 16;
-	protected ScrollValueBehaviour targetSpeed;
+	public ScrollValueBehaviour targetSpeed;
+	public AbstractComputerBehaviour computerBehaviour;
 
 	boolean hasBracket;
 
@@ -50,6 +58,7 @@ public class SpeedControllerBlockEntity extends KineticBlockEntity {
 		targetSpeed.value = DEFAULT_SPEED;
 		targetSpeed.withCallback(i -> this.updateTargetRotation());
 		behaviours.add(targetSpeed);
+		behaviours.add(computerBehaviour = ComputerCraftProxy.behaviour(this));
 
 		registerAwardables(behaviours, AllAdvancements.SPEED_CONTROLLER);
 	}
@@ -125,6 +134,20 @@ public class SpeedControllerBlockEntity extends KineticBlockEntity {
 				.isHorizontal();
 	}
 
+	@NotNull
+	@Override
+	public <T> LazyOptional<T> getCapability(@NotNull Capability<T> cap, @Nullable Direction side) {
+		if (computerBehaviour.isPeripheralCap(cap))
+			return computerBehaviour.getPeripheralCapability();
+		return super.getCapability(cap, side);
+	}
+
+	@Override
+	public void invalidateCaps() {
+		super.invalidateCaps();
+		computerBehaviour.removePeripheral();
+	}
+
 	private class ControllerValueBoxTransform extends ValueBoxTransform.Sided {
 
 		@Override

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

@@ -35,6 +35,9 @@ public class ConfigureSequencedGearshiftPacket extends BlockEntityConfigurationP
 
 	@Override
 	protected void applySettings(SequencedGearshiftBlockEntity be) {
+		if (be.computerBehaviour.hasAttachedComputer())
+			return;
+
 		be.run(-1);
 		be.instructions = Instruction.deserializeAll(instructions);
 		be.sendData();

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

@@ -19,8 +19,12 @@ public class Instruction {
 	}
 
 	public Instruction(SequencerInstructions instruction, int value) {
+		this(instruction, InstructionSpeedModifiers.FORWARD, value);
+	}
+
+	public Instruction(SequencerInstructions instruction, InstructionSpeedModifiers speedModifier, int value) {
 		this.instruction = instruction;
-		speedModifier = InstructionSpeedModifiers.FORWARD;
+		this.speedModifier = speedModifier;
 		this.value = value;
 	}
 

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

@@ -1,6 +1,7 @@
 package com.simibubi.create.content.contraptions.relays.advanced.sequencer;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 import com.simibubi.create.foundation.utility.Components;
@@ -36,4 +37,11 @@ public enum InstructionSpeedModifiers {
 		return options;
 	}
 
+	public static InstructionSpeedModifiers getByModifier(int modifier) {
+		return Arrays.stream(InstructionSpeedModifiers.values())
+				.filter(speedModifier -> speedModifier.value == modifier)
+				.findAny()
+				.orElse(InstructionSpeedModifiers.FORWARD);
+	}
+
 }

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

@@ -1,9 +1,17 @@
 package com.simibubi.create.content.contraptions.relays.advanced.sequencer;
 
+import java.util.List;
 import java.util.Vector;
 
+import javax.annotation.Nullable;
+
+import org.jetbrains.annotations.NotNull;
+
+import com.simibubi.create.compat.computercraft.AbstractComputerBehaviour;
+import com.simibubi.create.compat.computercraft.ComputerCraftProxy;
 import com.simibubi.create.content.contraptions.base.KineticBlockEntity;
 import com.simibubi.create.content.contraptions.relays.encased.SplitShaftBlockEntity;
+import com.simibubi.create.foundation.blockEntity.BlockEntityBehaviour;
 import com.simibubi.create.foundation.utility.NBTHelper;
 
 import net.minecraft.core.BlockPos;
@@ -12,6 +20,8 @@ import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.Tag;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockState;
+import net.minecraftforge.common.capabilities.Capability;
+import net.minecraftforge.common.util.LazyOptional;
 
 public class SequencedGearshiftBlockEntity extends SplitShaftBlockEntity {
 
@@ -22,6 +32,8 @@ public class SequencedGearshiftBlockEntity extends SplitShaftBlockEntity {
 	int timer;
 	boolean poweredPreviously;
 	
+	public AbstractComputerBehaviour computerBehaviour;
+
 	public record SequenceContext(SequencerInstructions instruction, double relativeValue) {
 
 		public static SequenceContext fromGearshift(SequencerInstructions instruction, double kineticSpeed,
@@ -61,6 +73,12 @@ public class SequencedGearshiftBlockEntity extends SplitShaftBlockEntity {
 		poweredPreviously = false;
 	}
 
+	@Override
+	public void addBehaviours(List<BlockEntityBehaviour> behaviours) {
+		super.addBehaviours(behaviours);
+		behaviours.add(computerBehaviour = ComputerCraftProxy.behaviour(this));
+	}
+
 	@Override
 	public void tick() {
 		super.tick();
@@ -103,6 +121,8 @@ public class SequencedGearshiftBlockEntity extends SplitShaftBlockEntity {
 	}
 
 	public void onRedstoneUpdate(boolean isPowered, boolean isRunning) {
+		if (computerBehaviour.hasAttachedComputer())
+			return;
 		if (!poweredPreviously && isPowered)
 			risingFlank();
 		poweredPreviously = isPowered;
@@ -136,7 +156,7 @@ public class SequencedGearshiftBlockEntity extends SplitShaftBlockEntity {
 		}
 	}
 
-	protected void run(int instructionIndex) {
+	public void run(int instructionIndex) {
 		Instruction instruction = getInstruction(instructionIndex);
 		if (instruction == null || instruction.instruction == SequencerInstructions.END) {
 			if (getModifier() != 0)
@@ -193,6 +213,20 @@ public class SequencedGearshiftBlockEntity extends SplitShaftBlockEntity {
 		super.read(compound, clientPacket);
 	}
 
+	@NotNull
+	@Override
+	public <T> LazyOptional<T> getCapability(@NotNull Capability<T> cap, @Nullable Direction side) {
+		if (computerBehaviour.isPeripheralCap(cap))
+			return computerBehaviour.getPeripheralCapability();
+		return super.getCapability(cap, side);
+	}
+
+	@Override
+	public void invalidateCaps() {
+		super.invalidateCaps();
+		computerBehaviour.removePeripheral();
+	}
+
 	@Override
 	public float getRotationSpeedModifier(Direction face) {
 		if (isVirtual())
@@ -208,4 +242,8 @@ public class SequencedGearshiftBlockEntity extends SplitShaftBlockEntity {
 				.getSpeedModifier();
 	}
 
+	public Vector<Instruction> getInstructions() {
+		return this.instructions;
+	}
+
 }

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

@@ -4,6 +4,7 @@ import java.util.Vector;
 
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllBlocks;
+import com.simibubi.create.compat.computercraft.ComputerScreen;
 import com.simibubi.create.foundation.gui.AbstractSimiScreen;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 import com.simibubi.create.foundation.gui.AllIcons;
@@ -15,7 +16,6 @@ import com.simibubi.create.foundation.networking.AllPackets;
 import com.simibubi.create.foundation.utility.Components;
 import com.simibubi.create.foundation.utility.Lang;
 
-import net.minecraft.core.BlockPos;
 import net.minecraft.nbt.ListTag;
 import net.minecraft.network.chat.Component;
 import net.minecraft.world.item.ItemStack;
@@ -25,22 +25,26 @@ public class SequencedGearshiftScreen extends AbstractSimiScreen {
 	private final ItemStack renderedItem = AllBlocks.SEQUENCED_GEARSHIFT.asStack();
 	private final AllGuiTextures background = AllGuiTextures.SEQUENCER;
 	private IconButton confirmButton;
+	private SequencedGearshiftBlockEntity be;
 
 	private ListTag compareTag;
 	private Vector<Instruction> instructions;
-	private BlockPos pos;
 
 	private Vector<Vector<ScrollInput>> inputs;
 
 	public SequencedGearshiftScreen(SequencedGearshiftBlockEntity be) {
 		super(Lang.translateDirect("gui.sequenced_gearshift.title"));
 		this.instructions = be.instructions;
-		this.pos = be.getBlockPos();
+		this.be = be;
 		compareTag = Instruction.serializeAll(instructions);
 	}
 
 	@Override
 	protected void init() {
+		if (be.computerBehaviour.hasAttachedComputer())
+			minecraft.setScreen(
+				new ComputerScreen(title, this::renderAdditional, this, be.computerBehaviour::hasAttachedComputer));
+
 		setWindowSize(background.width, background.height);
 		setWindowOffset(-20, 0);
 		super.init();
@@ -55,8 +59,7 @@ public class SequencedGearshiftScreen extends AbstractSimiScreen {
 		for (int row = 0; row < instructions.size(); row++)
 			initInputsOfRow(row, x, y);
 
-		confirmButton =
-			new IconButton(x + background.width - 33, y + background.height - 24, AllIcons.I_CONFIRM);
+		confirmButton = new IconButton(x + background.width - 33, y + background.height - 24, AllIcons.I_CONFIRM);
 		confirmButton.withCallback(() -> {
 			onClose();
 		});
@@ -127,6 +130,15 @@ public class SequencedGearshiftScreen extends AbstractSimiScreen {
 			modifier.setState(instruction.speedModifier.ordinal());
 	}
 
+	@Override
+	public void tick() {
+		super.tick();
+
+		if (be.computerBehaviour.hasAttachedComputer())
+			minecraft.setScreen(
+				new ComputerScreen(title, this::renderAdditional, this, be.computerBehaviour::hasAttachedComputer));
+	}
+
 	@Override
 	protected void renderWindow(PoseStack ms, int mouseX, int mouseY, float partialTicks) {
 		int x = guiLeft;
@@ -134,6 +146,13 @@ public class SequencedGearshiftScreen extends AbstractSimiScreen {
 
 		background.render(ms, x, y, this);
 
+		for (int row = 0; row < instructions.capacity(); row++) {
+			AllGuiTextures toDraw = AllGuiTextures.SEQUENCER_EMPTY;
+			int yOffset = toDraw.height * row;
+
+			toDraw.render(ms, x, y + 14 + yOffset, this);
+		}
+
 		for (int row = 0; row < instructions.capacity(); row++) {
 			AllGuiTextures toDraw = AllGuiTextures.SEQUENCER_EMPTY;
 			int yOffset = toDraw.height * row;
@@ -157,9 +176,13 @@ public class SequencedGearshiftScreen extends AbstractSimiScreen {
 		}
 
 		font.draw(ms, title, x + (background.width - 8) / 2 - font.width(title) / 2, y + 4, 0x592424);
+		renderAdditional(ms, mouseX, mouseY, partialTicks, x, y, background);
+	}
 
-		GuiGameElement.of(renderedItem)
-			.<GuiGameElement.GuiRenderBuilder>at(x + background.width + 6, y + background.height - 56, -200)
+	private void renderAdditional(PoseStack ms, int mouseX, int mouseY, float partialTicks, int guiLeft, int guiTop,
+		AllGuiTextures background) {
+		GuiGameElement.of(renderedItem).<GuiGameElement
+			.GuiRenderBuilder>at(guiLeft + background.width + 6, guiTop + background.height - 56, 100)
 			.scale(5)
 			.render(ms);
 	}
@@ -172,7 +195,8 @@ public class SequencedGearshiftScreen extends AbstractSimiScreen {
 		ListTag serialized = Instruction.serializeAll(instructions);
 		if (serialized.equals(compareTag))
 			return;
-		AllPackets.getChannel().sendToServer(new ConfigureSequencedGearshiftPacket(pos, serialized));
+		AllPackets.getChannel()
+			.sendToServer(new ConfigureSequencedGearshiftPacket(be.getBlockPos(), serialized));
 	}
 
 	@Override

src/main/java/com/simibubi/create/content/contraptions/relays/gauge/GaugeBlockEntity.java

@@ -12,7 +12,7 @@ import net.minecraft.network.chat.Component;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockState;
 
-public class GaugeBlockEntity extends KineticBlockEntity implements IHaveGoggleInformation {
+public abstract class GaugeBlockEntity extends KineticBlockEntity implements IHaveGoggleInformation {
 
 	public float dialTarget;
 	public float dialState;
@@ -52,4 +52,5 @@ public class GaugeBlockEntity extends KineticBlockEntity implements IHaveGoggleI
 
 		return true;
 	}
+
 }

src/main/java/com/simibubi/create/content/contraptions/relays/gauge/SpeedGaugeBlockEntity.java

@@ -2,24 +2,41 @@ package com.simibubi.create.content.contraptions.relays.gauge;
 
 import java.util.List;
 
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import com.simibubi.create.compat.computercraft.AbstractComputerBehaviour;
+import com.simibubi.create.compat.computercraft.ComputerCraftProxy;
 import com.simibubi.create.content.contraptions.base.IRotate.SpeedLevel;
+import com.simibubi.create.foundation.blockEntity.BlockEntityBehaviour;
 import com.simibubi.create.foundation.config.AllConfigs;
 import com.simibubi.create.foundation.utility.Color;
 import com.simibubi.create.foundation.utility.Lang;
 
 import net.minecraft.ChatFormatting;
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
 import net.minecraft.network.chat.Component;
 import net.minecraft.util.Mth;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockState;
+import net.minecraftforge.common.capabilities.Capability;
+import net.minecraftforge.common.util.LazyOptional;
 
 public class SpeedGaugeBlockEntity extends GaugeBlockEntity {
 
+	public AbstractComputerBehaviour computerBehaviour;
+	
 	public SpeedGaugeBlockEntity(BlockEntityType<?> type, BlockPos pos, BlockState state) {
 		super(type, pos, state);
 	}
 
+	@Override
+	public void addBehaviours(List<BlockEntityBehaviour> behaviours) {
+		super.addBehaviours(behaviours);
+		behaviours.add(computerBehaviour = ComputerCraftProxy.behaviour(this));
+	}
+
 	@Override
 	public void onSpeedChanged(float prevSpeed) {
 		super.onSpeedChanged(prevSpeed);
@@ -62,4 +79,19 @@ public class SpeedGaugeBlockEntity extends GaugeBlockEntity {
 			.forGoggles(tooltip);
 		return true;
 	}
+
+	@NotNull
+	@Override
+	public <T> LazyOptional<T> getCapability(@NotNull Capability<T> cap, @Nullable Direction side) {
+		if (computerBehaviour.isPeripheralCap(cap))
+			return computerBehaviour.getPeripheralCapability();
+		return super.getCapability(cap, side);
+	}
+
+	@Override
+	public void invalidateCaps() {
+		super.invalidateCaps();
+		computerBehaviour.removePeripheral();
+	}
+
 }

src/main/java/com/simibubi/create/content/contraptions/relays/gauge/StressGaugeBlockEntity.java

@@ -2,6 +2,11 @@ package com.simibubi.create.content.contraptions.relays.gauge;
 
 import java.util.List;
 
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import com.simibubi.create.compat.computercraft.AbstractComputerBehaviour;
+import com.simibubi.create.compat.computercraft.ComputerCraftProxy;
 import com.simibubi.create.content.contraptions.base.IRotate.StressImpact;
 import com.simibubi.create.foundation.advancement.AllAdvancements;
 import com.simibubi.create.foundation.blockEntity.BlockEntityBehaviour;
@@ -13,14 +18,19 @@ import com.simibubi.create.foundation.utility.LangBuilder;
 
 import net.minecraft.ChatFormatting;
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.chat.Component;
 import net.minecraft.util.Mth;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockState;
+import net.minecraftforge.common.capabilities.Capability;
+import net.minecraftforge.common.util.LazyOptional;
 
 public class StressGaugeBlockEntity extends GaugeBlockEntity {
 
+	public AbstractComputerBehaviour computerBehaviour;
+	
 	static BlockPos lastSent;
 
 	public StressGaugeBlockEntity(BlockEntityType<?> type, BlockPos pos, BlockState state) {
@@ -30,6 +40,7 @@ public class StressGaugeBlockEntity extends GaugeBlockEntity {
 	@Override
 	public void addBehaviours(List<BlockEntityBehaviour> behaviours) {
 		super.addBehaviours(behaviours);
+		behaviours.add(computerBehaviour = ComputerCraftProxy.behaviour(this));
 		registerAwardables(behaviours, AllAdvancements.STRESSOMETER, AllAdvancements.STRESSOMETER_MAXED);
 	}
 
@@ -141,4 +152,18 @@ public class StressGaugeBlockEntity extends GaugeBlockEntity {
 			award(AllAdvancements.STRESSOMETER_MAXED);
 	}
 
+	@NotNull
+	@Override
+	public <T> LazyOptional<T> getCapability(@NotNull Capability<T> cap, @Nullable Direction side) {
+		if (computerBehaviour.isPeripheralCap(cap))
+			return computerBehaviour.getPeripheralCapability();
+		return super.getCapability(cap, side);
+	}
+
+	@Override
+	public void invalidateCaps() {
+		super.invalidateCaps();
+		computerBehaviour.removePeripheral();
+	}
+
 }

src/main/java/com/simibubi/create/content/curiosities/clipboard/ClipboardScreen.java

@@ -440,7 +440,7 @@ public class ClipboardScreen extends AbstractSimiScreen {
 				if (currentEntries.get(editingIndex).text.getString()
 					.isEmpty() && currentEntries.size() > 1) {
 					currentEntries.remove(editingIndex);
-					editingIndex -= 1;
+					editingIndex = Math.max(0, editingIndex - 1);
 					editContext.setCursorToEnd();
 					return true;
 				} else if (hasControlDown()) {

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

@@ -6,6 +6,7 @@ import static net.minecraft.world.level.block.state.properties.BlockStatePropert
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllItems;
 import com.simibubi.create.AllShapes;
+import com.simibubi.create.AllTags;
 import com.simibubi.create.content.contraptions.base.KineticBlockEntity;
 import com.simibubi.create.content.contraptions.fluids.pipes.BracketBlock;
 import com.simibubi.create.content.contraptions.relays.elementary.BracketedBlockEntityBehaviour;
@@ -223,7 +224,7 @@ public class GirderBlock extends Block implements SimpleWaterloggedBlock, IWrenc
 		for (Direction d2 : Iterate.directionsInAxis(axis == Axis.X ? Axis.Z : Axis.X)) {
 			BlockState above = level.getBlockState(pos.above()
 				.relative(d2));
-			if (AllBlocks.TRACK.has(above)) {
+			if (AllTags.AllBlockTags.GIRDABLE_TRACKS.matches(above)) {
 				TrackShape shape = above.getValue(TrackBlock.SHAPE);
 				if (shape == (axis == Axis.X ? TrackShape.XO : TrackShape.ZO))
 					state = state.setValue(updateProperty, true);

src/main/java/com/simibubi/create/content/curiosities/tools/BlueprintOverlayRenderer.java

@@ -9,7 +9,6 @@ import java.util.Optional;
 
 import com.mojang.blaze3d.systems.RenderSystem;
 import com.mojang.blaze3d.vertex.PoseStack;
-import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllItems;
 import com.simibubi.create.content.curiosities.tools.BlueprintEntity.BlueprintCraftingInventory;
 import com.simibubi.create.content.curiosities.tools.BlueprintEntity.BlueprintSection;
@@ -106,7 +105,7 @@ public class BlueprintOverlayRenderer {
 
 		int tracks = info.requiredTracks;
 		while (tracks > 0) {
-			ingredients.add(Pair.of(AllBlocks.TRACK.asStack(Math.min(64, tracks)), info.hasRequiredTracks));
+			ingredients.add(Pair.of(new ItemStack(info.trackMaterial.getBlock(), Math.min(64, tracks)), info.hasRequiredTracks));
 			tracks -= 64;
 		}
 

src/main/java/com/simibubi/create/content/logistics/block/belts/tunnel/BrassTunnelBlockEntity.java

@@ -26,6 +26,7 @@ import com.simibubi.create.foundation.blockEntity.behaviour.filtering.FilteringB
 import com.simibubi.create.foundation.blockEntity.behaviour.filtering.SidedFilteringBehaviour;
 import com.simibubi.create.foundation.blockEntity.behaviour.scrollvalue.INamedIconOptions;
 import com.simibubi.create.foundation.blockEntity.behaviour.scrollvalue.ScrollOptionBehaviour;
+import com.simibubi.create.foundation.config.AllConfigs;
 import com.simibubi.create.foundation.gui.AllIcons;
 import com.simibubi.create.foundation.utility.BlockHelper;
 import com.simibubi.create.foundation.utility.Components;
@@ -174,7 +175,7 @@ public class BrassTunnelBlockEntity extends BeltTunnelBlockEntity implements IHa
 				return;
 
 			if (selectionMode.get() != SelectionMode.SYNCHRONIZE || syncedOutputActive) {
-				distributionProgress = 10;
+				distributionProgress = AllConfigs.server().logistics.brassTunnelTimer.get();
 				sendData();
 			}
 			return;

src/main/java/com/simibubi/create/content/logistics/block/depot/DepotBlockEntity.java

@@ -7,6 +7,7 @@ import com.simibubi.create.foundation.blockEntity.SmartBlockEntity;
 
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
+import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraftforge.common.capabilities.Capability;
@@ -33,4 +34,8 @@ public class DepotBlockEntity extends SmartBlockEntity {
 			return depotBehaviour.getItemCapability(cap, side);
 		return super.getCapability(cap, side);
 	}
+
+	public ItemStack getHeldItem() {
+		return depotBehaviour.getHeldItemStack();
+	}
 }

src/main/java/com/simibubi/create/content/logistics/block/display/AllDisplayBehaviours.java

@@ -9,6 +9,8 @@ import java.util.Map;
 import javax.annotation.Nullable;
 
 import com.simibubi.create.Create;
+import com.simibubi.create.compat.Mods;
+import com.simibubi.create.content.logistics.block.display.source.ComputerDisplaySource;
 import com.simibubi.create.content.logistics.block.display.source.DeathCounterDisplaySource;
 import com.simibubi.create.content.logistics.block.display.source.DisplaySource;
 import com.simibubi.create.content.logistics.block.display.source.EnchantPowerDisplaySource;
@@ -241,5 +243,14 @@ public class AllDisplayBehaviours {
 		assignBlockEntity(register(Create.asResource("scoreboard_display_source"), new ScoreboardDisplaySource()), BlockEntityType.COMMAND_BLOCK);
 		assignBlockEntity(register(Create.asResource("enchant_power_display_source"), new EnchantPowerDisplaySource()), BlockEntityType.ENCHANTING_TABLE);
 		assignBlock(register(Create.asResource("redstone_power_display_source"), new RedstonePowerDisplaySource()), Blocks.TARGET);
+
+		Mods.COMPUTERCRAFT.executeIfInstalled(() -> () -> {
+			DisplayBehaviour computerDisplaySource = register(Create.asResource("computer_display_source"), new ComputerDisplaySource());
+
+			assignTile(computerDisplaySource, new ResourceLocation(Mods.COMPUTERCRAFT.asId(), "wired_modem_full"));
+			assignTile(computerDisplaySource, new ResourceLocation(Mods.COMPUTERCRAFT.asId(), "computer_normal"));
+			assignTile(computerDisplaySource, new ResourceLocation(Mods.COMPUTERCRAFT.asId(), "computer_advanced"));
+			assignTile(computerDisplaySource, new ResourceLocation(Mods.COMPUTERCRAFT.asId(), "computer_command"));
+		});
 	}
 }

src/main/java/com/simibubi/create/content/logistics/block/display/DisplayLinkBlockEntity.java

@@ -2,6 +2,11 @@ package com.simibubi.create.content.logistics.block.display;
 
 import java.util.List;
 
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import com.simibubi.create.compat.computercraft.AbstractComputerBehaviour;
+import com.simibubi.create.compat.computercraft.ComputerCraftProxy;
 import com.simibubi.create.content.logistics.block.display.source.DisplaySource;
 import com.simibubi.create.content.logistics.block.display.target.DisplayTarget;
 import com.simibubi.create.foundation.advancement.AllAdvancements;
@@ -18,6 +23,8 @@ import net.minecraft.nbt.NbtUtils;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockState;
+import net.minecraftforge.common.capabilities.Capability;
+import net.minecraftforge.common.util.LazyOptional;
 
 public class DisplayLinkBlockEntity extends SmartBlockEntity {
 
@@ -33,6 +40,7 @@ public class DisplayLinkBlockEntity extends SmartBlockEntity {
 	private boolean sendPulse;
 
 	public int refreshTicks;
+	public AbstractComputerBehaviour computerBehaviour;
 
 	public DisplayLinkBlockEntity(BlockEntityType<?> type, BlockPos pos, BlockState state) {
 		super(type, pos, state);
@@ -44,6 +52,12 @@ public class DisplayLinkBlockEntity extends SmartBlockEntity {
 		glow.chase(0, 0.5f, Chaser.EXP);
 	}
 
+	@Override
+	public void addBehaviours(List<BlockEntityBehaviour> behaviours) {
+		behaviours.add(computerBehaviour = ComputerCraftProxy.behaviour(this));
+		registerAwardables(behaviours, AllAdvancements.DISPLAY_LINK, AllAdvancements.DISPLAY_BOARD);
+	}
+
 	@Override
 	public void tick() {
 		super.tick();
@@ -61,7 +75,7 @@ public class DisplayLinkBlockEntity extends SmartBlockEntity {
 		}
 
 		refreshTicks++;
-		if (refreshTicks < activeSource.getPassiveRefreshTicks())
+		if (refreshTicks < activeSource.getPassiveRefreshTicks() || !activeSource.shouldPassiveReset())
 			return;
 		tickSource();
 	}
@@ -118,11 +132,6 @@ public class DisplayLinkBlockEntity extends SmartBlockEntity {
 		award(AllAdvancements.DISPLAY_LINK);
 	}
 
-	@Override
-	public void addBehaviours(List<BlockEntityBehaviour> behaviours) {
-		registerAwardables(behaviours, AllAdvancements.DISPLAY_LINK, AllAdvancements.DISPLAY_BOARD);
-	}
-
 	@Override
 	public void writeSafe(CompoundTag tag) {
 		super.writeSafe(tag);
@@ -173,6 +182,21 @@ public class DisplayLinkBlockEntity extends SmartBlockEntity {
 			sourceConfig = data.copy();
 	}
 
+	@NotNull
+	@Override
+	public <T> LazyOptional<T> getCapability(@NotNull Capability<T> cap, @Nullable Direction side) {
+		if (computerBehaviour.isPeripheralCap(cap))
+			return computerBehaviour.getPeripheralCapability();
+
+		return super.getCapability(cap, side);
+	}
+
+	@Override
+	public void invalidateCaps() {
+		super.invalidateCaps();
+		computerBehaviour.removePeripheral();
+	}
+
 	public void target(BlockPos targetPosition) {
 		this.targetOffset = targetPosition.subtract(worldPosition);
 	}

src/main/java/com/simibubi/create/content/logistics/block/display/source/ComputerDisplaySource.java

@@ -0,0 +1,33 @@
+package com.simibubi.create.content.logistics.block.display.source;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.simibubi.create.content.logistics.block.display.DisplayLinkContext;
+import com.simibubi.create.content.logistics.block.display.target.DisplayTargetStats;
+import com.simibubi.create.foundation.utility.Components;
+
+import net.minecraft.nbt.ListTag;
+import net.minecraft.nbt.Tag;
+import net.minecraft.network.chat.MutableComponent;
+
+public class ComputerDisplaySource extends DisplaySource {
+
+	@Override
+	public List<MutableComponent> provideText(DisplayLinkContext context, DisplayTargetStats stats) {
+		List<MutableComponent> components = new ArrayList<>();
+		ListTag tag = context.sourceConfig().getList("ComputerSourceList", Tag.TAG_STRING);
+
+		for (int i = 0; i < tag.size(); i++) {
+			components.add(Components.literal(tag.getString(i)));
+		}
+
+		return components;
+	}
+
+	@Override
+	public boolean shouldPassiveReset() {
+		return false;
+	}
+
+}

src/main/java/com/simibubi/create/content/logistics/block/display/source/DisplaySource.java

@@ -49,6 +49,10 @@ public abstract class DisplaySource extends DisplayBehaviour {
 		return 100;
 	};
 
+	public boolean shouldPassiveReset() {
+		return true;
+	}
+
 	protected String getTranslationKey() {
 		return id.getPath();
 	}

src/main/java/com/simibubi/create/content/logistics/block/redstone/NixieTubeBlockEntity.java

@@ -123,6 +123,10 @@ public class NixieTubeBlockEntity extends SmartBlockEntity {
 		customText = Optional.empty();
 	}
 
+	public int getRedstoneStrength() {
+		return redstoneStrength;
+	}
+
 	//
 
 	@Override

src/main/java/com/simibubi/create/content/logistics/item/filter/FilterItem.java

@@ -127,6 +127,8 @@ public class FilterItem extends Item implements MenuProvider {
 			for (Tag inbt : attributes) {
 				CompoundTag compound = (CompoundTag) inbt;
 				ItemAttribute attribute = ItemAttribute.fromNBT(compound);
+				if (attribute == null)
+					continue;
 				boolean inverted = compound.getBoolean("Inverted");
 				if (count > 3) {
 					list.add(Components.literal("- ...")
@@ -194,15 +196,19 @@ public class FilterItem extends Item implements MenuProvider {
 		return test(world, stack, filter, true);
 	}
 
-	private static boolean test(Level world, ItemStack stack, ItemStack filter, boolean matchNBT) {
+	public static boolean test(Level world, ItemStack stack, ItemStack filter, boolean matchNBT) {
 		if (filter.isEmpty())
 			return true;
 
 		if (!(filter.getItem() instanceof FilterItem))
-			return (matchNBT ? ItemHandlerHelper.canItemStacksStack(filter, stack) : ItemStack.isSame(filter, stack));
+			return testDirect(filter, stack, matchNBT);
 
 		boolean defaults = !filter.hasTag();
 
+		if (defaults) {
+			return testDirect(filter, stack, matchNBT);
+		}
+
 		if (AllItems.FILTER.get() == filter.getItem()) {
 			ItemStackHandler filterItems = getFilterItems(filter);
 			boolean respectNBT = defaults ? false
@@ -211,24 +217,32 @@ public class FilterItem extends Item implements MenuProvider {
 			boolean blacklist = defaults ? false
 				: filter.getTag()
 					.getBoolean("Blacklist");
+			boolean isEmpty = true;
 			for (int slot = 0; slot < filterItems.getSlots(); slot++) {
 				ItemStack stackInSlot = filterItems.getStackInSlot(slot);
 				if (stackInSlot.isEmpty())
 					continue;
+				isEmpty = false;
 				boolean matches = test(world, stack, stackInSlot, respectNBT);
 				if (matches)
 					return !blacklist;
 			}
+			if (isEmpty) {
+				return testDirect(filter, stack, matchNBT);
+			}
 			return blacklist;
 		}
 
 		if (AllItems.ATTRIBUTE_FILTER.get() == filter.getItem()) {
-			WhitelistMode whitelistMode = WhitelistMode.values()[defaults ? 0
-				: filter.getTag()
-					.getInt("WhitelistMode")];
 			ListTag attributes = defaults ? new ListTag()
 				: filter.getTag()
 					.getList("MatchedAttributes", Tag.TAG_COMPOUND);
+			if (attributes.isEmpty()) {
+				return testDirect(filter, stack, matchNBT);
+			}
+			WhitelistMode whitelistMode = WhitelistMode.values()[defaults ? 0
+				: filter.getTag()
+					.getInt("WhitelistMode")];
 			for (Tag inbt : attributes) {
 				CompoundTag compound = (CompoundTag) inbt;
 				ItemAttribute attribute = ItemAttribute.fromNBT(compound);
@@ -270,7 +284,7 @@ public class FilterItem extends Item implements MenuProvider {
 		return false;
 	}
 
-	private static boolean test(Level world, FluidStack stack, ItemStack filter, boolean matchNBT) {
+	public static boolean test(Level world, FluidStack stack, ItemStack filter, boolean matchNBT) {
 		if (filter.isEmpty())
 			return true;
 		if (stack.isEmpty())
@@ -313,4 +327,12 @@ public class FilterItem extends Item implements MenuProvider {
 		return false;
 	}
 
+	private static boolean testDirect(ItemStack filter, ItemStack stack, boolean matchNBT) {
+		if (matchNBT) {
+			return ItemHandlerHelper.canItemStacksStack(filter, stack);
+		} else {
+			return ItemStack.isSame(filter, stack);
+		}
+	}
+
 }

src/main/java/com/simibubi/create/content/logistics/item/filter/ItemAttribute.java

@@ -10,6 +10,7 @@ import java.util.function.Predicate;
 import java.util.stream.Collectors;
 
 import org.apache.commons.lang3.StringUtils;
+import org.jetbrains.annotations.Nullable;
 
 import com.simibubi.create.AllRecipeTypes;
 import com.simibubi.create.content.contraptions.processing.InWorldProcessing;
@@ -78,6 +79,7 @@ public interface ItemAttribute {
 		return attributeType;
 	}
 
+	@Nullable
 	static ItemAttribute fromNBT(CompoundTag nbt) {
 		for (ItemAttribute itemAttribute : types)
 			if (itemAttribute.canRead(nbt))

src/main/java/com/simibubi/create/content/logistics/trains/AbstractBogeyBlock.java

@@ -0,0 +1,361 @@
+package com.simibubi.create.content.logistics.trains;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+
+import javax.annotation.Nullable;
+
+import org.jetbrains.annotations.NotNull;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
+import com.mojang.blaze3d.vertex.PoseStack;
+import com.mojang.blaze3d.vertex.VertexConsumer;
+import com.mojang.math.Vector3f;
+import com.simibubi.create.AllBlocks;
+import com.simibubi.create.AllBogeyStyles;
+import com.simibubi.create.AllItems;
+import com.simibubi.create.content.contraptions.wrench.IWrenchable;
+import com.simibubi.create.content.logistics.trains.entity.BogeyStyle;
+import com.simibubi.create.content.logistics.trains.entity.Carriage;
+import com.simibubi.create.content.logistics.trains.entity.CarriageBogey;
+import com.simibubi.create.content.logistics.trains.entity.TravellingPoint;
+import com.simibubi.create.content.logistics.trains.track.AbstractBogeyBlockEntity;
+import com.simibubi.create.content.schematics.ISpecialBlockItemRequirement;
+import com.simibubi.create.content.schematics.ItemRequirement;
+import com.simibubi.create.foundation.block.IBE;
+import com.simibubi.create.foundation.block.ProperWaterloggedBlock;
+import com.simibubi.create.foundation.utility.Iterate;
+import com.simibubi.create.foundation.utility.Lang;
+import com.simibubi.create.foundation.utility.RegisteredObjects;
+
+import net.minecraft.client.renderer.MultiBufferSource;
+import net.minecraft.client.renderer.RenderType;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.InteractionHand;
+import net.minecraft.world.InteractionResult;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.BlockGetter;
+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.Rotation;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.block.state.StateDefinition;
+import net.minecraft.world.level.block.state.properties.BlockStateProperties;
+import net.minecraft.world.level.block.state.properties.EnumProperty;
+import net.minecraft.world.level.block.state.properties.Property;
+import net.minecraft.world.level.material.FluidState;
+import net.minecraft.world.phys.BlockHitResult;
+import net.minecraft.world.phys.Vec3;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
+import net.minecraftforge.registries.ForgeRegistries;
+
+public abstract class AbstractBogeyBlock<T extends AbstractBogeyBlockEntity> extends Block implements IBE<T>, ProperWaterloggedBlock, ISpecialBlockItemRequirement, IWrenchable {
+	public static final EnumProperty<Direction.Axis> AXIS = BlockStateProperties.HORIZONTAL_AXIS;
+	static final List<ResourceLocation> BOGEYS = new ArrayList<>();
+	public BogeySizes.BogeySize size;
+
+
+	public AbstractBogeyBlock(Properties pProperties, BogeySizes.BogeySize size) {
+		super(pProperties);
+		registerDefaultState(defaultBlockState().setValue(WATERLOGGED, false));
+		this.size = size;
+	}
+
+	public boolean isOnIncompatibleTrack(Carriage carriage, boolean leading) {
+		TravellingPoint point = leading ? carriage.getLeadingPoint() : carriage.getTrailingPoint();
+		CarriageBogey bogey = leading ? carriage.leadingBogey() : carriage.trailingBogey();
+		return point.edge.getTrackMaterial().trackType != getTrackType(bogey.getStyle());
+	}
+
+	public Set<TrackMaterial.TrackType> getValidPathfindingTypes(BogeyStyle style) {
+		return ImmutableSet.of(getTrackType(style));
+	}
+
+	public abstract TrackMaterial.TrackType getTrackType(BogeyStyle style);
+
+	/**
+	 * Only for internal Create use. If you have your own style set, do not call this method
+	 */
+	@Deprecated
+	public static void registerStandardBogey(ResourceLocation block) {
+		BOGEYS.add(block);
+	}
+
+	@Override
+	protected void createBlockStateDefinition(StateDefinition.Builder<Block, BlockState> builder) {
+		builder.add(AXIS, WATERLOGGED);
+		super.createBlockStateDefinition(builder);
+	}
+
+	@Override
+	public BlockState updateShape(BlockState pState, Direction pDirection, BlockState pNeighborState,
+								  LevelAccessor pLevel, BlockPos pCurrentPos, BlockPos pNeighborPos) {
+		updateWater(pLevel, pState, pCurrentPos);
+		return pState;
+	}
+
+	@Override
+	public FluidState getFluidState(BlockState pState) {
+		return fluidState(pState);
+	}
+
+	static final EnumSet<Direction> STICKY_X = EnumSet.of(Direction.EAST, Direction.WEST);
+	static final EnumSet<Direction> STICKY_Z = EnumSet.of(Direction.SOUTH, Direction.NORTH);
+
+	public EnumSet<Direction> getStickySurfaces(BlockGetter world, BlockPos pos, BlockState state) {
+		return state.getValue(BlockStateProperties.HORIZONTAL_AXIS) == Direction.Axis.X ? STICKY_X : STICKY_Z;
+	}
+
+	public abstract double getWheelPointSpacing();
+
+	public abstract double getWheelRadius();
+
+	public Vec3 getConnectorAnchorOffset(boolean upsideDown) {
+		return getConnectorAnchorOffset();
+	}
+
+	/**
+	 * This should be implemented, but not called directly
+	 */
+	protected abstract Vec3 getConnectorAnchorOffset();
+
+	public boolean allowsSingleBogeyCarriage() {
+		return true;
+	}
+
+	public abstract BogeyStyle getDefaultStyle();
+
+	/**
+	 * Legacy system doesn't capture bogey tile entities when constructing a train
+	 */
+	public boolean captureTileEntityForTrain() {
+		return false;
+	}
+
+	@OnlyIn(Dist.CLIENT)
+	public void render(@Nullable BlockState state, float wheelAngle, PoseStack ms, float partialTicks,
+		MultiBufferSource buffers, int light, int overlay, BogeyStyle style, CompoundTag bogeyData) {
+		if (style == null)
+			style = getDefaultStyle();
+
+		final Optional<BogeyRenderer.CommonRenderer> commonRenderer
+				= style.getInWorldCommonRenderInstance();
+		final BogeyRenderer renderer = style.getInWorldRenderInstance(this.getSize());
+		if (state != null) {
+			ms.translate(.5f, .5f, .5f);
+			if (state.getValue(AXIS) == Direction.Axis.X)
+				ms.mulPose(Vector3f.YP.rotationDegrees(90));
+		}
+		ms.translate(0, -1.5 - 1 / 128f, 0);
+		VertexConsumer vb = buffers.getBuffer(RenderType.cutoutMipped());
+		if (bogeyData == null)
+			bogeyData = new CompoundTag();
+		renderer.render(bogeyData, wheelAngle, ms, light, vb, state == null);
+		CompoundTag finalBogeyData = bogeyData;
+		commonRenderer.ifPresent(common ->
+				common.render(finalBogeyData, wheelAngle, ms, light, vb, state == null));
+	}
+
+	public BogeySizes.BogeySize getSize() {
+		return this.size;
+	}
+
+	public Direction getBogeyUpDirection() {
+		return Direction.UP;
+	}
+
+	public boolean isTrackAxisAlongFirstCoordinate(BlockState state) {
+		return state.getValue(AXIS) == Direction.Axis.X;
+	}
+
+	@Nullable
+	public BlockState getMatchingBogey(Direction upDirection, boolean axisAlongFirst) {
+		if (upDirection != Direction.UP)
+			return null;
+		return defaultBlockState().setValue(AXIS, axisAlongFirst ? Direction.Axis.X : Direction.Axis.Z);
+	}
+
+	@Override
+	public InteractionResult use(BlockState state, Level level, BlockPos pos, Player player, InteractionHand hand,
+								 BlockHitResult hit) {
+		if (level.isClientSide)
+			return InteractionResult.PASS;
+		ItemStack stack = player.getItemInHand(hand);
+
+		if (!player.isShiftKeyDown() && stack.is(AllItems.WRENCH.get()) && !player.getCooldowns().isOnCooldown(stack.getItem())
+				&& AllBogeyStyles.BOGEY_STYLES.size() > 1) {
+
+			BlockEntity be = level.getBlockEntity(pos);
+
+			if (!(be instanceof AbstractBogeyBlockEntity sbte))
+				return InteractionResult.FAIL;
+
+			player.getCooldowns().addCooldown(stack.getItem(), 20);
+			BogeyStyle currentStyle = sbte.getStyle();
+
+			BogeySizes.BogeySize size = getSize();
+
+			BogeyStyle style = this.getNextStyle(currentStyle);
+			if (style == currentStyle)
+				return InteractionResult.PASS;
+
+			Set<BogeySizes.BogeySize> validSizes = style.validSizes();
+
+			for (int i = 0; i < BogeySizes.count(); i++) {
+				if (validSizes.contains(size)) break;
+				size = size.increment();
+			}
+
+			sbte.setBogeyStyle(style);
+
+			CompoundTag defaultData = style.defaultData;
+			sbte.setBogeyData(sbte.getBogeyData().merge(defaultData));
+
+			if (size == getSize()) {
+				player.displayClientMessage(Lang.translateDirect("bogey.style.updated_style")
+						.append(": ").append(style.displayName), true);
+			} else {
+				CompoundTag oldData = sbte.getBogeyData();
+				level.setBlock(pos, this.getStateOfSize(sbte, size), 3);
+				BlockEntity newBlockEntity = level.getBlockEntity(pos);
+				if (!(newBlockEntity instanceof AbstractBogeyBlockEntity newTileEntity))
+					return InteractionResult.FAIL;
+				newTileEntity.setBogeyData(oldData);
+				player.displayClientMessage(Lang.translateDirect("bogey.style.updated_style_and_size")
+						.append(": ").append(style.displayName), true);
+			}
+
+			return InteractionResult.CONSUME;
+		}
+
+		return InteractionResult.PASS;
+	}
+
+	/**
+	 * If, instead of using the style-based cycling system you prefer to use separate blocks, return them from this method
+	 */
+	protected List<ResourceLocation> getBogeyBlockCycle() {
+		return BOGEYS;
+	}
+
+
+	@Override
+	public BlockState getRotatedBlockState(BlockState state, Direction targetedFace) {
+		Block block = state.getBlock();
+		List<ResourceLocation> bogeyCycle = getBogeyBlockCycle();
+		int indexOf = bogeyCycle.indexOf(RegisteredObjects.getKeyOrThrow(block));
+		if (indexOf == -1)
+			return state;
+		int index = (indexOf + 1) % bogeyCycle.size();
+		Direction bogeyUpDirection = getBogeyUpDirection();
+		boolean trackAxisAlongFirstCoordinate = isTrackAxisAlongFirstCoordinate(state);
+
+		while (index != indexOf) {
+			ResourceLocation id = bogeyCycle.get(index);
+			Block newBlock = ForgeRegistries.BLOCKS.getValue(id);
+			if (newBlock instanceof AbstractBogeyBlock<?> bogey) {
+				BlockState matchingBogey = bogey.getMatchingBogey(bogeyUpDirection, trackAxisAlongFirstCoordinate);
+				if (matchingBogey != null)
+					return copyProperties(state, matchingBogey);
+			}
+			index = (index + 1) % bogeyCycle.size();
+		}
+
+		return state;
+	}
+
+	public BlockState getNextSize(Level level, BlockPos pos) {
+		BlockEntity te = level.getBlockEntity(pos);
+		if (te instanceof AbstractBogeyBlockEntity sbte)
+			return this.getNextSize(sbte);
+		return level.getBlockState(pos);
+	}
+
+	/**
+	 * List of BlockState Properties to copy between sizes
+	 */
+	public List<Property<?>> propertiesToCopy() {
+		return ImmutableList.of(WATERLOGGED, AXIS);
+	}
+
+	// generic method needed to satisfy Property and BlockState's generic requirements
+	private <V extends Comparable<V>> BlockState copyProperty(BlockState source, BlockState target, Property<V> property) {
+		if (source.hasProperty(property) && target.hasProperty(property)) {
+			return target.setValue(property, source.getValue(property));
+		}
+		return target;
+	}
+
+	private BlockState copyProperties(BlockState source, BlockState target) {
+		for (Property<?> property : propertiesToCopy())
+			target = copyProperty(source, target, property);
+		return target;
+	}
+
+	public BlockState getNextSize(AbstractBogeyBlockEntity sbte) {
+		BogeySizes.BogeySize size = this.getSize();
+		BogeyStyle style = sbte.getStyle();
+		BlockState nextBlock = style.getNextBlock(size).defaultBlockState();
+		nextBlock = copyProperties(sbte.getBlockState(), nextBlock);
+		return nextBlock;
+	}
+
+	public BlockState getStateOfSize(AbstractBogeyBlockEntity sbte, BogeySizes.BogeySize size) {
+		BogeyStyle style = sbte.getStyle();
+		BlockState state = style.getBlockOfSize(size).defaultBlockState();
+		return copyProperties(sbte.getBlockState(), state);
+	}
+
+	public BogeyStyle getNextStyle(Level level, BlockPos pos) {
+		BlockEntity te = level.getBlockEntity(pos);
+		if (te instanceof AbstractBogeyBlockEntity sbte)
+			return this.getNextStyle(sbte.getStyle());
+		return getDefaultStyle();
+	}
+
+	public BogeyStyle getNextStyle(BogeyStyle style) {
+		Collection<BogeyStyle> allStyles = style.getCycleGroup().values();
+		if (allStyles.size() <= 1)
+			return style;
+		List<BogeyStyle> list = new ArrayList<>(allStyles);
+		return Iterate.cycleValue(list, style);
+	}
+
+
+	@Override
+	public @NotNull BlockState rotate(@NotNull BlockState pState, Rotation pRotation) {
+		return switch (pRotation) {
+			case COUNTERCLOCKWISE_90, CLOCKWISE_90 -> pState.cycle(AXIS);
+			default -> pState;
+		};
+	}
+
+	@Override
+	public ItemRequirement getRequiredItems(BlockState state, BlockEntity te) {
+		return new ItemRequirement(ItemRequirement.ItemUseType.CONSUME, AllBlocks.RAILWAY_CASING.asStack());
+	}
+
+	public boolean canBeUpsideDown() {
+		return false;
+	}
+
+	public boolean isUpsideDown(BlockState state) {
+		return false;
+	}
+
+	public BlockState getVersion(BlockState base, boolean upsideDown) {
+		return base;
+	}
+}

src/main/java/com/simibubi/create/content/logistics/trains/BezierConnection.java

@@ -26,6 +26,7 @@ import net.minecraft.util.Mth;
 import net.minecraft.world.entity.item.ItemEntity;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.GameRules;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.phys.AABB;
@@ -42,6 +43,7 @@ public class BezierConnection implements Iterable<BezierConnection.Segment> {
 	public Couple<Integer> smoothing;
 	public boolean primary;
 	public boolean hasGirder;
+	protected TrackMaterial trackMaterial;
 
 	// runtime
 
@@ -58,19 +60,20 @@ public class BezierConnection implements Iterable<BezierConnection.Segment> {
 	private AABB bounds;
 
 	public BezierConnection(Couple<BlockPos> positions, Couple<Vec3> starts, Couple<Vec3> axes, Couple<Vec3> normals,
-		boolean primary, boolean girder) {
+		boolean primary, boolean girder, TrackMaterial material) {
 		tePositions = positions;
 		this.starts = starts;
 		this.axes = axes;
 		this.normals = normals;
 		this.primary = primary;
 		this.hasGirder = girder;
+		this.trackMaterial = material;
 		resolved = false;
 	}
 
 	public BezierConnection secondary() {
-		BezierConnection bezierConnection =
-			new BezierConnection(tePositions.swap(), starts.swap(), axes.swap(), normals.swap(), !primary, hasGirder);
+		BezierConnection bezierConnection = new BezierConnection(tePositions.swap(), starts.swap(), axes.swap(),
+			normals.swap(), !primary, hasGirder, trackMaterial);
 		if (smoothing != null)
 			bezierConnection.smoothing = smoothing.swap();
 		return bezierConnection;
@@ -80,6 +83,26 @@ public class BezierConnection implements Iterable<BezierConnection.Segment> {
 		return secondary().secondary();
 	}
 
+	private static boolean coupleEquals(Couple<?> a, Couple<?> b) {
+		return (a.getFirst()
+			.equals(b.getFirst())
+			&& a.getSecond()
+				.equals(b.getSecond()))
+			|| (a.getFirst() instanceof Vec3 aFirst && a.getSecond() instanceof Vec3 aSecond
+				&& b.getFirst() instanceof Vec3 bFirst && b.getSecond() instanceof Vec3 bSecond
+				&& aFirst.closerThan(bFirst, 1e-6) && aSecond.closerThan(bSecond, 1e-6));
+	}
+
+	public boolean equalsSansMaterial(BezierConnection other) {
+		return equalsSansMaterialInner(other) || equalsSansMaterialInner(other.secondary());
+	}
+
+	private boolean equalsSansMaterialInner(BezierConnection other) {
+		return this == other || (other != null && coupleEquals(this.tePositions, other.tePositions)
+			&& coupleEquals(this.starts, other.starts) && coupleEquals(this.axes, other.axes)
+			&& coupleEquals(this.normals, other.normals) && this.hasGirder == other.hasGirder);
+	}
+
 	public BezierConnection(CompoundTag compound, BlockPos localTo) {
 		this(Couple.deserializeEach(compound.getList("Positions", Tag.TAG_COMPOUND), NbtUtils::readBlockPos)
 			.map(b -> b.offset(localTo)),
@@ -87,7 +110,7 @@ public class BezierConnection implements Iterable<BezierConnection.Segment> {
 				.map(v -> v.add(Vec3.atLowerCornerOf(localTo))),
 			Couple.deserializeEach(compound.getList("Axes", Tag.TAG_COMPOUND), VecHelper::readNBTCompound),
 			Couple.deserializeEach(compound.getList("Normals", Tag.TAG_COMPOUND), VecHelper::readNBTCompound),
-			compound.getBoolean("Primary"), compound.getBoolean("Girder"));
+			compound.getBoolean("Primary"), compound.getBoolean("Girder"), TrackMaterial.deserialize(compound.getString("Material")));
 
 		if (compound.contains("Smoothing"))
 			smoothing =
@@ -105,6 +128,7 @@ public class BezierConnection implements Iterable<BezierConnection.Segment> {
 		compound.put("Starts", starts.serializeEach(VecHelper::writeNBTCompound));
 		compound.put("Axes", axes.serializeEach(VecHelper::writeNBTCompound));
 		compound.put("Normals", normals.serializeEach(VecHelper::writeNBTCompound));
+		compound.putString("Material", getMaterial().id.toString());
 
 		if (smoothing != null)
 			compound.put("Smoothing", smoothing.serializeEach(NBTHelper::intToCompound));
@@ -115,7 +139,7 @@ public class BezierConnection implements Iterable<BezierConnection.Segment> {
 	public BezierConnection(FriendlyByteBuf buffer) {
 		this(Couple.create(buffer::readBlockPos), Couple.create(() -> VecHelper.read(buffer)),
 			Couple.create(() -> VecHelper.read(buffer)), Couple.create(() -> VecHelper.read(buffer)),
-			buffer.readBoolean(), buffer.readBoolean());
+			buffer.readBoolean(), buffer.readBoolean(), TrackMaterial.deserialize(buffer.readUtf()));
 		if (buffer.readBoolean())
 			smoothing = Couple.create(buffer::readVarInt);
 	}
@@ -127,6 +151,7 @@ public class BezierConnection implements Iterable<BezierConnection.Segment> {
 		normals.forEach(v -> VecHelper.write(v, buffer));
 		buffer.writeBoolean(primary);
 		buffer.writeBoolean(hasGirder);
+		buffer.writeUtf(getMaterial().id.toString());
 		buffer.writeBoolean(smoothing != null);
 		if (smoothing != null)
 			smoothing.forEach(buffer::writeVarInt);
@@ -333,7 +358,7 @@ public class BezierConnection implements Iterable<BezierConnection.Segment> {
 		Inventory inv = player.getInventory();
 		int tracks = getTrackItemCost();
 		while (tracks > 0) {
-			inv.placeItemBackInInventory(AllBlocks.TRACK.asStack(Math.min(64, tracks)));
+			inv.placeItemBackInInventory(new ItemStack(getMaterial().getBlock(), Math.min(64, tracks)));
 			tracks -= 64;
 		}
 		int girders = getGirderItemCost();
@@ -361,7 +386,7 @@ public class BezierConnection implements Iterable<BezierConnection.Segment> {
 				continue;
 			Vec3 v = VecHelper.offsetRandomly(segment.position, level.random, .125f)
 				.add(origin);
-			ItemEntity entity = new ItemEntity(level, v.x, v.y, v.z, AllBlocks.TRACK.asStack());
+			ItemEntity entity = new ItemEntity(level, v.x, v.y, v.z, getMaterial().asStack());
 			entity.setDefaultPickUpDelay();
 			level.addFreshEntity(entity);
 			if (!hasGirder)
@@ -375,7 +400,7 @@ public class BezierConnection implements Iterable<BezierConnection.Segment> {
 	}
 
 	public void spawnDestroyParticles(Level level) {
-		BlockParticleOption data = new BlockParticleOption(ParticleTypes.BLOCK, AllBlocks.TRACK.getDefaultState());
+		BlockParticleOption data = new BlockParticleOption(ParticleTypes.BLOCK, getMaterial().getBlock().defaultBlockState());
 		BlockParticleOption girderData =
 			new BlockParticleOption(ParticleTypes.BLOCK, AllBlocks.METAL_GIRDER.getDefaultState());
 		if (!(level instanceof ServerLevel slevel))
@@ -393,6 +418,14 @@ public class BezierConnection implements Iterable<BezierConnection.Segment> {
 		}
 	}
 
+	public TrackMaterial getMaterial() {
+		return trackMaterial;
+	}
+
+	public void setMaterial(TrackMaterial material) {
+		trackMaterial = material;
+	}
+
 	public static class Segment {
 
 		public int index;

src/main/java/com/simibubi/create/content/logistics/trains/BogeyBlockEntityRenderer.java

@@ -1,7 +1,7 @@
 package com.simibubi.create.content.logistics.trains;
 
 import com.mojang.blaze3d.vertex.PoseStack;
-import com.simibubi.create.content.logistics.trains.track.StandardBogeyBlockEntity;
+import com.simibubi.create.content.logistics.trains.track.AbstractBogeyBlockEntity;
 import com.simibubi.create.foundation.blockEntity.renderer.SafeBlockEntityRenderer;
 
 import net.minecraft.client.renderer.MultiBufferSource;
@@ -17,11 +17,11 @@ public class BogeyBlockEntityRenderer<T extends BlockEntity> extends SafeBlockEn
 	protected void renderSafe(T be, float partialTicks, PoseStack ms, MultiBufferSource buffer, int light,
 		int overlay) {
 		BlockState blockState = be.getBlockState();
-		float angle = 0;
-		if (be instanceof StandardBogeyBlockEntity sbte)
-			angle = sbte.getVirtualAngle(partialTicks);
-		if (blockState.getBlock()instanceof IBogeyBlock bogey) 
-			bogey.render(blockState, angle, ms, partialTicks, buffer, light, overlay);
+		if (be instanceof AbstractBogeyBlockEntity sbte) {
+			float angle = sbte.getVirtualAngle(partialTicks);
+			if (blockState.getBlock() instanceof AbstractBogeyBlock<?> bogey)
+				bogey.render(blockState, angle, ms, partialTicks, buffer, light, overlay, sbte.getStyle(), sbte.getBogeyData());
+		}
 	}
 
 }

src/main/java/com/simibubi/create/content/logistics/trains/BogeyRenderer.java

@@ -0,0 +1,309 @@
+package com.simibubi.create.content.logistics.trains;
+
+import com.jozufozu.flywheel.api.MaterialManager;
+import com.jozufozu.flywheel.core.Materials;
+import com.jozufozu.flywheel.core.PartialModel;
+import com.jozufozu.flywheel.core.materials.model.ModelData;
+import com.jozufozu.flywheel.util.transform.Transform;
+import com.mojang.blaze3d.vertex.PoseStack;
+
+import com.mojang.blaze3d.vertex.VertexConsumer;
+
+import com.simibubi.create.foundation.render.CachedBufferer;
+import com.simibubi.create.foundation.render.SuperByteBuffer;
+
+import net.minecraft.nbt.CompoundTag;
+
+import net.minecraft.world.level.block.Blocks;
+
+import net.minecraft.world.level.block.state.BlockState;
+
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
+
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+public abstract class BogeyRenderer {
+	Map<String, ModelData[]> contraptionModelData = new HashMap<>();
+
+	/**
+	 * A common interface for getting transform data for both in-world and in-contraption model data safely from a
+	 * partial model
+	 *
+	 * @param model The key for the model data to instantiate or retrieve
+	 * @param ms The posestack used for contraption model data
+	 * @param inInstancedContraption The type of model needed
+	 * @param size The amount of models needed
+	 * @return A generic transform which can be used for both in-world and in-contraption models
+	 */
+	public Transform<?>[] getTransformsFromPartial(PartialModel model, PoseStack ms, boolean inInstancedContraption, int size) {
+		return (inInstancedContraption) ? transformContraptionModelData(keyFromModel(model), ms) : createModelData(model, size);
+	}
+
+	/**
+	 * A common interface for getting transform data for both in-world and in-contraption model data safely from a
+	 * blockstate
+	 *
+	 * @param state The key for the model data to instantiate or retrieve
+	 * @param ms The posestack used for contraption model data
+	 * @param inContraption The type of model needed
+	 * @param size The amount of models needed
+	 * @return A generic transform which can be used for both in-world and in-contraption models
+	 */
+	public Transform<?>[] getTransformsFromBlockState(BlockState state, PoseStack ms, boolean inContraption, int size) {
+		return inContraption ? transformContraptionModelData(keyFromModel(state), ms) : createModelData(state, size);
+	}
+
+	/**
+	 * Used for calling both in-world and in-contraption rendering
+	 *
+	 * @param bogeyData Custom data stored on the bogey able to be used for rendering
+	 * @param wheelAngle The angle of the wheel
+	 * @param ms The posestack to render to
+	 * @param light (Optional) Light used for in-world rendering
+	 * @param vb (Optional) Vertex Consumer used for in-world rendering
+	 */
+	@OnlyIn(Dist.CLIENT)
+	public abstract void render(CompoundTag bogeyData, float wheelAngle, PoseStack ms, int light, VertexConsumer vb, boolean inContraption);
+
+	/**
+	 * Used for calling in-contraption rendering ensuring that falsey data is handled correctly
+	 *
+	 * @param bogeyData Custom data stored on the bogey able to be used for rendering
+	 * @param wheelAngle The angle of the wheel
+	 * @param ms The posestack to render to
+	 */
+	@OnlyIn(Dist.CLIENT)
+	public void render(CompoundTag bogeyData, float wheelAngle, PoseStack ms) {
+		this.render(bogeyData, wheelAngle, ms, 0, null, true);
+	}
+
+	public abstract BogeySizes.BogeySize getSize();
+
+	/**
+	 * Used to collect Contraption Model Data for in-contraption rendering, should not be utilised directly when
+	 * rendering to prevent render type mismatch
+	 *
+	 * @param key The key used to access the model
+	 * @param ms Posestack of the contraption to bind the model data to
+	 * @return A generic transform which can be used for both in-world and in-contraption models
+	 */
+	private Transform<?>[] transformContraptionModelData(String key, PoseStack ms) {
+		ModelData[] modelData = contraptionModelData.get(key);
+		Arrays.stream(modelData).forEach(modelDataElement -> modelDataElement.setTransform(ms));
+		return modelData;
+	}
+
+
+	/**
+	 * Used for in world rendering, creates a set count of model data to be rendered, allowing for a generic response
+	 * when rendering multiple models both in-world and in-contraption for example, with wheels
+	 *
+	 * @param model The partial model of the model data ot be made
+	 * @param size The Amount of models needed
+	 * @return A generic transform which can be used for both in-world and in-contraption models
+	 */
+	private Transform<?>[] createModelData(PartialModel model, int size) {
+		BlockState air = Blocks.AIR.defaultBlockState();
+		SuperByteBuffer[] data = { CachedBufferer.partial(model, air) };
+		return expandArrayToLength(data, size);
+	}
+
+	/**
+	 * Used for in world rendering, creates a set count of model data to be rendered, allowing for a generic response
+	 * when rendering multiple models both in-world and in-contraption for example, with wheels
+	 *
+	 * @param state The state of the model data to be made
+	 * @param size Amount of models needed
+	 * @return A generic transform which can be used for both in-world and in-contraption models
+	 */
+	private Transform<?>[] createModelData(BlockState state, int size) {
+		SuperByteBuffer[] data = { CachedBufferer.block(state) };
+		return expandArrayToLength(data, size);
+	}
+
+	/**
+	 * Utility function to clone in-world models to a set size to allow for common handling of rendering with multiple
+	 * instances of the same model for example with wheels
+	 *
+	 * @param data An in-world model to be replicated
+	 * @param size Amount of models needed
+	 * @return A generic transform which can be used for both in-world and in-contraption models
+	 */
+	private Transform<?>[] expandArrayToLength(SuperByteBuffer[] data, int size) {
+		return Arrays.stream(Collections.nCopies(size, data).toArray())
+				.flatMap(inner -> Arrays.stream((SuperByteBuffer[]) inner))
+				.toArray(SuperByteBuffer[]::new);
+	}
+
+	/**
+	 * Helper function to collect or create a single model from a partial model used for both in-world and
+	 * in-contraption rendering
+	 *
+ 	 * @param model The key of the model to be collected or instantiated
+	 * @param ms Posestack to bind the model to if it is within a contraption
+	 * @param inInstancedContraption Type of rendering required
+	 * @return A generic transform which can be used for both in-world and in-contraption models
+	 */
+	public Transform<?> getTransformFromPartial(PartialModel model, PoseStack ms, boolean inInstancedContraption) {
+		BlockState air = Blocks.AIR.defaultBlockState();
+		return inInstancedContraption ? contraptionModelData.get(keyFromModel(model))[0].setTransform(ms)
+				: CachedBufferer.partial(model, air);
+	}
+
+	/**
+	 * A common interface for getting transform data for blockstates, for a single model
+	 *
+	 * @param state The state of the model to be collected or instantiated
+	 * @param ms Posestack to bind the model to if it is within a contraption
+	 * @param inContraption Type of model required
+	 * @return A generic transform which can be used for both in-world and in-contraption models
+	 */
+	public Transform<?> getTransformFromBlockState(BlockState state, PoseStack ms, boolean inContraption) {
+		return (inContraption) ? contraptionModelData.get(keyFromModel(state))[0].setTransform(ms)
+				: CachedBufferer.block(state);
+	}
+
+	/**
+	 * Provides render implementations a point in setup to instantiate all model data to be needed
+	 *
+	 * @param materialManager The material manager
+	 */
+	@OnlyIn(Dist.CLIENT)
+	public abstract void initialiseContraptionModelData(MaterialManager materialManager);
+
+	/**
+	 * Creates instances of models for in-world rendering to a set length from a provided partial model
+	 *
+	 * @param materialManager The material manager
+	 * @param model Partial model to be instanced
+	 * @param count Amount of models neeeded
+	 */
+	public void createModelInstances(MaterialManager materialManager, PartialModel model, int count) {
+		ModelData[] modelData = new ModelData[count];
+		materialManager.defaultSolid().material(Materials.TRANSFORMED)
+				.getModel(model).createInstances(modelData);
+		contraptionModelData.put(keyFromModel(model), modelData);
+	}
+
+	/**
+	 * Creates instances of models for in-contraption rendering to a set length from a provided blockstate
+	 *
+	 * @param materialManager The material manager
+	 * @param state Blockstate of the model to be created
+	 * @param count Amount of models needed
+	 */
+	public void createModelInstances(MaterialManager materialManager, BlockState state, int count) {
+		ModelData[] modelData = new ModelData[count];
+		materialManager.defaultSolid().material(Materials.TRANSFORMED)
+				.getModel(state).createInstances(modelData);
+		contraptionModelData.put(keyFromModel(state), modelData);
+	}
+
+	/**
+	 * Creates a single instance of models for in-contraption rendering from a provided blockstate
+	 *
+	 * @param materialManager The material manager
+	 * @param state Blockstate of the model to be created
+	 */
+	public void createModelInstance(MaterialManager materialManager, BlockState state) {
+		this.createModelInstances(materialManager, state, 1);
+	}
+
+	/**
+	 * Helper function to create a single model instance for in-contraption rendering
+	 *
+	 * @param materialManager The material manager
+	 * @param models The type of model to create instances of
+	 */
+	public void createModelInstances(MaterialManager materialManager, PartialModel... models) {
+		for (PartialModel model : models)
+			createModelInstances(materialManager, model, 1);
+	}
+
+	/**
+	 * Handles scale for all model data and renders non contraption model data
+	 *
+	 * @param b The model data itself
+	 * @param ms Pose stack to render to
+	 * @param light light level of the scene
+	 * @param vb Vertex Consumber to render to
+	 * @param <B> Generic alias for both contraption and in-world model data
+	 */
+
+	public static <B extends Transform<?>> void finalize(B b, PoseStack ms, int light, @Nullable VertexConsumer vb) {
+		b.scale(1 - 1/512f);
+		if (b instanceof SuperByteBuffer byteBuf && vb != null)
+			byteBuf.light(light).renderInto(ms, vb);
+	}
+
+	/**
+	 * Automatic handling for setting empty transforms for all model data
+	 *
+	 */
+
+	public void emptyTransforms() {
+		for (ModelData[] data : contraptionModelData.values())
+			for (ModelData model : data)
+				model.setEmptyTransform();
+	}
+
+	/**
+	 * Automatic handling for updating all model data's light
+	 *
+	 * @param blockLight the blocklight to be applied
+	 * @param skyLight the skylight to be applied
+	 */
+
+	public void updateLight(int blockLight, int skyLight) {
+		for (ModelData[] data : contraptionModelData.values())
+			for (ModelData model : data)
+				model.setBlockLight(blockLight).setSkyLight(skyLight);
+	}
+
+	/**
+	 * Automatic handling for clearing all model data of a contraption
+	 *
+	 */
+
+	public void remove() {
+		for (ModelData[] data : contraptionModelData.values())
+			for (ModelData model : data)
+				model.delete();
+		contraptionModelData.clear();
+	}
+
+	/**
+	 * Create a model key from a partial model, so it can be easily accessed
+	 *
+	 * @param partialModel the model we want a unique key for
+	 * @return Key of the model
+	 */
+
+	private String keyFromModel(PartialModel partialModel) {
+		return partialModel.getLocation().toString();
+	}
+
+	/**
+	 * Create a model key from a blockstate, so it can be easily accessed
+	 *
+	 * @param state Blockstate of the model
+	 * @return Key of the model
+	 */
+
+	private String keyFromModel(BlockState state) {
+		return state.toString();
+	}
+
+	public static abstract class CommonRenderer extends BogeyRenderer {
+		@Override
+		public BogeySizes.BogeySize getSize() {
+			return null;
+		}
+	}
+}

src/main/java/com/simibubi/create/content/logistics/trains/BogeySizes.java

@@ -0,0 +1,70 @@
+package com.simibubi.create.content.logistics.trains;
+
+import com.simibubi.create.Create;
+
+import net.minecraft.resources.ResourceLocation;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.HashSet;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class BogeySizes {
+	private static final Collection<BogeySize> BOGEY_SIZES = new HashSet<>();
+	public static final BogeySize SMALL = new BogeySize(Create.ID, "small", 6.5f / 16f);
+	public static final BogeySize LARGE = new BogeySize(Create.ID, "large", 12.5f / 16f);
+
+	static {
+		BOGEY_SIZES.add(SMALL);
+		BOGEY_SIZES.add(LARGE);
+	}
+
+	public static BogeySize addSize(String modId, String name, float size) {
+		ResourceLocation location = new ResourceLocation(modId, name);
+		return addSize(location, size);
+	}
+
+	public static BogeySize addSize(ResourceLocation location, float size) {
+		BogeySize customSize = new BogeySize(location, size);
+		BOGEY_SIZES.add(customSize);
+		return customSize;
+	}
+
+	public static List<BogeySize> getAllSizesSmallToLarge() {
+		return BOGEY_SIZES.stream()
+				.sorted(Comparator.comparing(BogeySize::wheelRadius))
+				.collect(Collectors.toList());
+	}
+
+	public static List<BogeySize> getAllSizesLargeToSmall() {
+		List<BogeySize> sizes = getAllSizesSmallToLarge();
+		Collections.reverse(sizes);
+		return sizes;
+	}
+
+	public static int count() {
+		return BOGEY_SIZES.size();
+	}
+
+	public record BogeySize(ResourceLocation location, float wheelRadius) {
+		public BogeySize(String modId, String name, float wheelRadius) {
+			this(new ResourceLocation(modId, name), wheelRadius);
+		}
+
+		public BogeySize increment() {
+			List<BogeySize> values = getAllSizesSmallToLarge();
+			int ordinal = values.indexOf(this);
+			return values.get((ordinal + 1) % values.size());
+		}
+
+		public boolean is(BogeySize size) {
+			return size.location == this.location;
+		}
+	}
+
+	public static void init() {
+
+	}
+}

src/main/java/com/simibubi/create/content/logistics/trains/GlobalRailwayManager.java

@@ -265,13 +265,17 @@ public class GlobalRailwayManager {
 	public void clientTick() {
 		if (isTrackGraphDebugActive())
 			for (TrackGraph trackGraph : trackNetworks.values())
-				TrackGraphVisualizer.debugViewGraph(trackGraph);
+				TrackGraphVisualizer.debugViewGraph(trackGraph, isTrackGraphDebugExtended());
 	}
 
 	private static boolean isTrackGraphDebugActive() {
 		return KineticDebugger.isF3DebugModeActive() && AllConfigs.client().showTrackGraphOnF3.get();
 	}
 
+	private static boolean isTrackGraphDebugExtended() {
+		return AllConfigs.client().showExtendedTrackGraphOnF3.get();
+	}
+
 	public GlobalRailwayManager sided(LevelAccessor level) {
 		if (level != null && !level.isClientSide())
 			return this;

src/main/java/com/simibubi/create/content/logistics/trains/IBogeyBlock.java

@@ -1,91 +0,0 @@
-package com.simibubi.create.content.logistics.trains;
-
-import static net.minecraft.world.level.block.state.properties.BlockStateProperties.WATERLOGGED;
-
-import java.util.ArrayList;
-import java.util.EnumSet;
-import java.util.List;
-
-import javax.annotation.Nullable;
-
-import com.jozufozu.flywheel.api.MaterialManager;
-import com.mojang.blaze3d.vertex.PoseStack;
-import com.simibubi.create.content.contraptions.wrench.IWrenchable;
-import com.simibubi.create.content.logistics.trains.entity.BogeyInstance;
-import com.simibubi.create.content.logistics.trains.entity.CarriageBogey;
-import com.simibubi.create.foundation.utility.RegisteredObjects;
-
-import net.minecraft.client.renderer.MultiBufferSource;
-import net.minecraft.core.BlockPos;
-import net.minecraft.core.Direction;
-import net.minecraft.resources.ResourceLocation;
-import net.minecraft.world.level.BlockGetter;
-import net.minecraft.world.level.block.Block;
-import net.minecraft.world.level.block.state.BlockState;
-import net.minecraft.world.phys.Vec3;
-import net.minecraftforge.api.distmarker.Dist;
-import net.minecraftforge.api.distmarker.OnlyIn;
-import net.minecraftforge.registries.ForgeRegistries;
-
-public interface IBogeyBlock extends IWrenchable {
-
-	static final List<ResourceLocation> BOGEYS = new ArrayList<>();
-
-	public static void register(ResourceLocation block) {
-		BOGEYS.add(block);
-	}
-
-	public EnumSet<Direction> getStickySurfaces(BlockGetter world, BlockPos pos, BlockState state);
-
-	public double getWheelPointSpacing();
-
-	public double getWheelRadius();
-
-	public boolean allowsSingleBogeyCarriage();
-
-	public Vec3 getConnectorAnchorOffset();
-
-	@OnlyIn(Dist.CLIENT)
-	public void render(@Nullable BlockState state, float wheelAngle, PoseStack ms, float partialTicks,
-		MultiBufferSource buffers, int light, int overlay);
-
-	@OnlyIn(Dist.CLIENT)
-	public BogeyInstance createInstance(MaterialManager materialManager, CarriageBogey bogey);
-
-	public default Direction getBogeyUpDirection() {
-		return Direction.UP;
-	}
-
-	public boolean isTrackAxisAlongFirstCoordinate(BlockState state);
-
-	@Nullable
-	public BlockState getMatchingBogey(Direction upDirection, boolean axisAlongFirst);
-
-	@Override
-	default BlockState getRotatedBlockState(BlockState state, Direction targetedFace) {
-		Block block = state.getBlock();
-		int indexOf = BOGEYS.indexOf(RegisteredObjects.getKeyOrThrow(block));
-		if (indexOf == -1)
-			return state;
-
-		int index = (indexOf + 1) % BOGEYS.size();
-		Direction bogeyUpDirection = getBogeyUpDirection();
-		boolean trackAxisAlongFirstCoordinate = isTrackAxisAlongFirstCoordinate(state);
-
-		while (index != indexOf) {
-			ResourceLocation id = BOGEYS.get(index);
-			Block newBlock = ForgeRegistries.BLOCKS.getValue(id);
-			if (newBlock instanceof IBogeyBlock bogey) {
-				BlockState matchingBogey = bogey.getMatchingBogey(bogeyUpDirection, trackAxisAlongFirstCoordinate);
-				if (matchingBogey != null)
-					return matchingBogey.hasProperty(WATERLOGGED)
-						? matchingBogey.setValue(WATERLOGGED, state.getValue(WATERLOGGED))
-						: matchingBogey;
-			}
-			index = (index + 1) % BOGEYS.size();
-		}
-
-		return state;
-	}
-
-}

src/main/java/com/simibubi/create/content/logistics/trains/ITrackBlock.java

@@ -25,6 +25,7 @@ import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.world.level.BlockGetter;
 import net.minecraft.world.level.Level;
+import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.phys.Vec3;
 import net.minecraftforge.api.distmarker.Dist;
@@ -85,20 +86,38 @@ public interface ITrackBlock {
 			Function<Vec3, Integer> yOffsetFactory = v -> getYOffsetAt(world, pos, state, v);
 
 			addToListIfConnected(connectedTo, list, offsetFactory, b -> shape.getNormal(), dimensionFactory,
-				yOffsetFactory, axis, null);
+				yOffsetFactory, axis, null, (b, v) -> getMaterialSimple(world, v));
 		});
 
 		return list;
 	}
 
+	public static TrackMaterial getMaterialSimple(BlockGetter world, Vec3 pos) {
+		return getMaterialSimple(world, pos, TrackMaterial.ANDESITE);
+	}
+
+	public static TrackMaterial getMaterialSimple(BlockGetter world, Vec3 pos, TrackMaterial defaultMaterial) {
+		if (defaultMaterial == null)
+			defaultMaterial = TrackMaterial.ANDESITE;
+		if (world != null) {
+			Block block = world.getBlockState(new BlockPos(pos)).getBlock();
+			if (block instanceof ITrackBlock track) {
+				return track.getMaterial();
+			}
+		}
+		return defaultMaterial;
+	}
+
 	public static void addToListIfConnected(@Nullable TrackNodeLocation fromEnd, Collection<DiscoveredLocation> list,
 		BiFunction<Double, Boolean, Vec3> offsetFactory, Function<Boolean, Vec3> normalFactory,
 		Function<Boolean, ResourceKey<Level>> dimensionFactory, Function<Vec3, Integer> yOffsetFactory, Vec3 axis,
-		BezierConnection viaTurn) {
+		BezierConnection viaTurn, BiFunction<Boolean, Vec3, TrackMaterial> materialFactory) {
 
 		Vec3 firstOffset = offsetFactory.apply(0.5d, true);
 		DiscoveredLocation firstLocation =
 			new DiscoveredLocation(dimensionFactory.apply(true), firstOffset).viaTurn(viaTurn)
+				.materialA(materialFactory.apply(true, offsetFactory.apply(0.0d, true)))
+				.materialB(materialFactory.apply(true, offsetFactory.apply(1.0d, true)))
 				.withNormal(normalFactory.apply(true))
 				.withDirection(axis)
 				.withYOffset(yOffsetFactory.apply(firstOffset));
@@ -106,6 +125,8 @@ public interface ITrackBlock {
 		Vec3 secondOffset = offsetFactory.apply(0.5d, false);
 		DiscoveredLocation secondLocation =
 			new DiscoveredLocation(dimensionFactory.apply(false), secondOffset).viaTurn(viaTurn)
+				.materialA(materialFactory.apply(false, offsetFactory.apply(0.0d, false)))
+				.materialB(materialFactory.apply(false, offsetFactory.apply(1.0d, false)))
 				.withNormal(normalFactory.apply(false))
 				.withDirection(axis)
 				.withYOffset(yOffsetFactory.apply(secondOffset));
@@ -169,4 +190,6 @@ public interface ITrackBlock {
 			.normalize()) < 0 ? AxisDirection.POSITIVE : AxisDirection.NEGATIVE);
 	}
 
+	TrackMaterial getMaterial();
+
 }

src/main/java/com/simibubi/create/content/logistics/trains/StandardBogeyRenderer.java

@@ -0,0 +1,134 @@
+package com.simibubi.create.content.logistics.trains;
+
+import static com.simibubi.create.AllPartialModels.BOGEY_DRIVE;
+import static com.simibubi.create.AllPartialModels.BOGEY_FRAME;
+import static com.simibubi.create.AllPartialModels.BOGEY_PIN;
+import static com.simibubi.create.AllPartialModels.BOGEY_PISTON;
+import static com.simibubi.create.AllPartialModels.LARGE_BOGEY_WHEELS;
+import static com.simibubi.create.AllPartialModels.SMALL_BOGEY_WHEELS;
+
+import com.jozufozu.flywheel.api.MaterialManager;
+import com.jozufozu.flywheel.util.transform.Transform;
+import com.mojang.blaze3d.vertex.PoseStack;
+import com.mojang.blaze3d.vertex.VertexConsumer;
+import com.simibubi.create.AllBlocks;
+import com.simibubi.create.content.contraptions.relays.elementary.ShaftBlock;
+import com.simibubi.create.foundation.utility.AngleHelper;
+import com.simibubi.create.foundation.utility.Iterate;
+
+import net.minecraft.core.Direction;
+import net.minecraft.nbt.CompoundTag;
+
+public class StandardBogeyRenderer {
+	public static class CommonStandardBogeyRenderer extends BogeyRenderer.CommonRenderer {
+		@Override
+		public void initialiseContraptionModelData(MaterialManager materialManager) {
+			createModelInstances(materialManager, AllBlocks.SHAFT.getDefaultState()
+					.setValue(ShaftBlock.AXIS, Direction.Axis.Z), 2);
+		}
+
+		@Override
+		public void render(CompoundTag bogeyData, float wheelAngle, PoseStack ms, int light, VertexConsumer vb, boolean inContraption) {
+			boolean inInstancedContraption = vb == null;
+			Transform<?>[] shafts = getTransformsFromBlockState(AllBlocks.SHAFT.getDefaultState()
+					.setValue(ShaftBlock.AXIS, Direction.Axis.Z), ms, inInstancedContraption, 2);
+			for (int i : Iterate.zeroAndOne) {
+				shafts[i].translate(-.5f, .25f, i * -1)
+						.centre()
+						.rotateZ(wheelAngle)
+						.unCentre();
+				finalize(shafts[i], ms, light, vb);
+			}
+		}
+	}
+
+
+	public static class SmallStandardBogeyRenderer extends BogeyRenderer {
+		@Override
+		public void initialiseContraptionModelData(MaterialManager materialManager) {
+			createModelInstances(materialManager, SMALL_BOGEY_WHEELS, 2);
+			createModelInstances(materialManager, BOGEY_FRAME);
+		}
+
+
+		@Override
+		public BogeySizes.BogeySize getSize() {
+			return BogeySizes.SMALL;
+		}
+
+		@Override
+		public void render(CompoundTag bogeyData, float wheelAngle, PoseStack ms, int light, VertexConsumer vb, boolean inContraption) {
+			boolean inInstancedContraption = vb == null;
+			Transform<?> transform = getTransformFromPartial(BOGEY_FRAME, ms, inInstancedContraption);
+			finalize(transform, ms, light, vb);
+
+			Transform<?>[] wheels = getTransformsFromPartial(SMALL_BOGEY_WHEELS, ms, inInstancedContraption, 2);
+			for (int side : Iterate.positiveAndNegative) {
+				if (!inInstancedContraption)
+					ms.pushPose();
+				Transform<?> wheel = wheels[(side + 1)/2];
+				wheel.translate(0, 12 / 16f, side)
+						.rotateX(wheelAngle);
+				finalize(wheel, ms, light, vb);
+				if (!inInstancedContraption)
+					ms.popPose();
+			}
+		}
+	}
+
+	public static class LargeStandardBogeyRenderer extends BogeyRenderer {
+		@Override
+		public void initialiseContraptionModelData(MaterialManager materialManager) {
+			createModelInstances(materialManager, LARGE_BOGEY_WHEELS, BOGEY_DRIVE, BOGEY_PISTON, BOGEY_PIN);
+			createModelInstances(materialManager, AllBlocks.SHAFT.getDefaultState()
+					.setValue(ShaftBlock.AXIS, Direction.Axis.X), 2);
+		}
+
+		@Override
+		public BogeySizes.BogeySize getSize() {
+			return BogeySizes.LARGE;
+		}
+
+		@Override
+		public void render(CompoundTag bogeyData, float wheelAngle, PoseStack ms, int light, VertexConsumer vb, boolean inContraption) {
+			boolean inInstancedContraption = vb == null;
+
+			Transform<?>[] secondaryShafts = getTransformsFromBlockState(AllBlocks.SHAFT.getDefaultState()
+					.setValue(ShaftBlock.AXIS, Direction.Axis.X), ms, inInstancedContraption, 2);
+
+			for (int i : Iterate.zeroAndOne) {
+				Transform<?> secondShaft = secondaryShafts[i];
+				secondShaft.translate(-.5f, .25f, .5f + i * -2)
+						.centre()
+						.rotateX(wheelAngle)
+						.unCentre();
+				finalize(secondShaft, ms, light, vb);
+			}
+
+			Transform<?> bogeyDrive = getTransformFromPartial(BOGEY_DRIVE, ms, inInstancedContraption);
+			finalize(bogeyDrive, ms, light, vb);
+
+			Transform<?> bogeyPiston = getTransformFromPartial(BOGEY_PISTON, ms, inInstancedContraption)
+					.translate(0, 0, 1 / 4f * Math.sin(AngleHelper.rad(wheelAngle)));
+			finalize(bogeyPiston, ms, light, vb);
+
+			if (!inInstancedContraption)
+				ms.pushPose();
+
+			Transform<?> bogeyWheels = getTransformFromPartial(LARGE_BOGEY_WHEELS, ms, inInstancedContraption)
+					.translate(0, 1, 0)
+					.rotateX(wheelAngle);
+			finalize(bogeyWheels, ms, light, vb);
+
+			Transform<?> bogeyPin = getTransformFromPartial(BOGEY_PIN, ms, inInstancedContraption)
+					.translate(0, 1, 0)
+					.rotateX(wheelAngle)
+					.translate(0, 1 / 4f, 0)
+					.rotateX(-wheelAngle);
+			finalize(bogeyPin, ms, light, vb);
+
+			if (!inInstancedContraption)
+				ms.popPose();
+		}
+	}
+}

src/main/java/com/simibubi/create/content/logistics/trains/TrackEdge.java

@@ -24,13 +24,19 @@ public class TrackEdge {
 	BezierConnection turn;
 	EdgeData edgeData;
 	boolean interDimensional;
+	TrackMaterial trackMaterial;
 
-	public TrackEdge(TrackNode node1, TrackNode node2, BezierConnection turn) {
+	public TrackEdge(TrackNode node1, TrackNode node2, BezierConnection turn, TrackMaterial trackMaterial) {
 		this.interDimensional = !node1.location.dimension.equals(node2.location.dimension);
 		this.edgeData = new EdgeData(this);
 		this.node1 = node1;
 		this.node2 = node2;
 		this.turn = turn;
+		this.trackMaterial = trackMaterial;
+	}
+
+	public TrackMaterial getTrackMaterial() {
+		return trackMaterial;
 	}
 
 	public boolean isTurn() {
@@ -230,13 +236,15 @@ public class TrackEdge {
 	public CompoundTag write(DimensionPalette dimensions) {
 		CompoundTag baseCompound = isTurn() ? turn.write(BlockPos.ZERO) : new CompoundTag();
 		baseCompound.put("Signals", edgeData.write(dimensions));
+		baseCompound.putString("Material", getTrackMaterial().id.toString());
 		return baseCompound;
 	}
 
 	public static TrackEdge read(TrackNode node1, TrackNode node2, CompoundTag tag, TrackGraph graph,
 		DimensionPalette dimensions) {
 		TrackEdge trackEdge =
-			new TrackEdge(node1, node2, tag.contains("Positions") ? new BezierConnection(tag, BlockPos.ZERO) : null);
+			new TrackEdge(node1, node2, tag.contains("Positions") ? new BezierConnection(tag, BlockPos.ZERO) : null,
+					TrackMaterial.deserialize(tag.getString("Material")));
 		trackEdge.edgeData = EdgeData.read(tag.getCompound("Signals"), trackEdge, graph, dimensions);
 		return trackEdge;
 	}

src/main/java/com/simibubi/create/content/logistics/trains/TrackGraph.java

@@ -393,14 +393,15 @@ public class TrackGraph {
 		return connectionsFrom.get(nodes.getSecond());
 	}
 
-	public void connectNodes(LevelAccessor reader, TrackNodeLocation location, TrackNodeLocation location2,
+	public void connectNodes(LevelAccessor reader, DiscoveredLocation location, DiscoveredLocation location2,
 		@Nullable BezierConnection turn) {
 		TrackNode node1 = nodes.get(location);
 		TrackNode node2 = nodes.get(location2);
 
 		boolean bezier = turn != null;
-		TrackEdge edge = new TrackEdge(node1, node2, turn);
-		TrackEdge edge2 = new TrackEdge(node2, node1, bezier ? turn.secondary() : null);
+		TrackMaterial material = bezier ? turn.getMaterial() : location2.materialA;
+		TrackEdge edge = new TrackEdge(node1, node2, turn, material);
+		TrackEdge edge2 = new TrackEdge(node2, node1, bezier ? turn.secondary() : null, material);
 
 		for (TrackGraph graph : Create.RAILWAYS.trackNetworks.values()) {
 			for (TrackNode otherNode1 : graph.nodes.values()) {

src/main/java/com/simibubi/create/content/logistics/trains/TrackGraphSync.java

@@ -60,7 +60,7 @@ public class TrackGraphSync {
 	public void edgeAdded(TrackGraph graph, TrackNode node1, TrackNode node2, TrackEdge edge) {
 		flushGraphPacket(graph);
 		currentGraphSyncPacket.addedEdges
-			.add(Pair.of(Couple.create(node1.getNetId(), node2.getNetId()), edge.getTurn()));
+			.add(Pair.of(Pair.of(Couple.create(node1.getNetId(), node2.getNetId()), edge.getTrackMaterial()), edge.getTurn()));
 		currentPayload++;
 	}
 
@@ -82,7 +82,7 @@ public class TrackGraphSync {
 		if (currentGraphSyncPacket.addedNodes.remove(nodeId) == null)
 			currentGraphSyncPacket.removedNodes.add(nodeId);
 		currentGraphSyncPacket.addedEdges.removeIf(pair -> {
-			Couple<Integer> ids = pair.getFirst();
+			Couple<Integer> ids = pair.getFirst().getFirst();
 			return ids.getFirst()
 				.intValue() == nodeId
 				|| ids.getSecond()
@@ -156,7 +156,7 @@ public class TrackGraphSync {
 			graph.connectionsByNode.get(node)
 				.forEach((node2, edge) -> {
 					Couple<Integer> key = Couple.create(node.getNetId(), node2.getNetId());
-					currentPacket.addedEdges.add(Pair.of(key, edge.getTurn()));
+					currentPacket.addedEdges.add(Pair.of(Pair.of(key, edge.getTrackMaterial()), edge.getTurn()));
 					currentPacket.syncEdgeData(node, node2, edge);
 				});
 

src/main/java/com/simibubi/create/content/logistics/trains/TrackGraphSyncPacket.java

@@ -22,7 +22,7 @@ import net.minecraft.world.phys.Vec3;
 public class TrackGraphSyncPacket extends TrackGraphPacket {
 
 	Map<Integer, Pair<TrackNodeLocation, Vec3>> addedNodes;
-	List<Pair<Couple<Integer>, BezierConnection>> addedEdges;
+	List<Pair<Pair<Couple<Integer>, TrackMaterial>, BezierConnection>> addedEdges;
 	List<Integer> removedNodes;
 	List<TrackEdgePoint> addedEdgePoints;
 	List<UUID> removedEdgePoints;
@@ -79,7 +79,7 @@ public class TrackGraphSyncPacket extends TrackGraphPacket {
 		size = buffer.readVarInt();
 		for (int i = 0; i < size; i++)
 			addedEdges.add(
-				Pair.of(Couple.create(buffer::readVarInt), buffer.readBoolean() ? new BezierConnection(buffer) : null));
+				Pair.of(Pair.of(Couple.create(buffer::readVarInt), TrackMaterial.deserialize(buffer.readUtf())), buffer.readBoolean() ? new BezierConnection(buffer) : null));
 
 		size = buffer.readVarInt();
 		for (int i = 0; i < size; i++)
@@ -134,8 +134,9 @@ public class TrackGraphSyncPacket extends TrackGraphPacket {
 
 		buffer.writeVarInt(addedEdges.size());
 		addedEdges.forEach(pair -> {
-			pair.getFirst()
+			pair.getFirst().getFirst()
 				.forEach(buffer::writeVarInt);
+			buffer.writeUtf(pair.getFirst().getSecond().id.toString());
 			BezierConnection turn = pair.getSecond();
 			buffer.writeBoolean(turn != null);
 			if (turn != null)
@@ -192,13 +193,13 @@ public class TrackGraphSyncPacket extends TrackGraphPacket {
 			graph.loadNode(nodeLocation.getFirst(), nodeId, nodeLocation.getSecond());
 		}
 
-		for (Pair<Couple<Integer>, BezierConnection> pair : addedEdges) {
-			Couple<TrackNode> nodes = pair.getFirst()
+		for (Pair<Pair<Couple<Integer>, TrackMaterial>, BezierConnection> pair : addedEdges) {
+			Couple<TrackNode> nodes = pair.getFirst().getFirst()
 				.map(graph::getNode);
 			TrackNode node1 = nodes.getFirst();
 			TrackNode node2 = nodes.getSecond();
 			if (node1 != null && node2 != null)
-				graph.putConnection(node1, node2, new TrackEdge(node1, node2, pair.getSecond()));
+				graph.putConnection(node1, node2, new TrackEdge(node1, node2, pair.getSecond(), pair.getFirst().getSecond()));
 		}
 
 		for (TrackEdgePoint edgePoint : addedEdgePoints)

src/main/java/com/simibubi/create/content/logistics/trains/TrackGraphVisualizer.java

@@ -37,7 +37,6 @@ public class TrackGraphVisualizer {
 
 		Vec3 camera = cameraEntity.getEyePosition();
 		Outliner outliner = CreateClient.OUTLINER;
-		boolean ctrl = false; // AllKeys.isKeyDown(GLFW.GLFW_KEY_LEFT_CONTROL);
 		Map<UUID, SignalEdgeGroup> allGroups = Create.RAILWAYS.sided(null).signalEdgeGroups;
 		float width = 1 / 8f;
 
@@ -213,7 +212,7 @@ public class TrackGraphVisualizer {
 		}
 	}
 
-	public static void debugViewGraph(TrackGraph graph) {
+	public static void debugViewGraph(TrackGraph graph, boolean extended) {
 		Minecraft mc = Minecraft.getInstance();
 		Entity cameraEntity = mc.cameraEntity;
 		if (cameraEntity == null)
@@ -266,6 +265,17 @@ public class TrackGraphVisualizer {
 
 				yOffset = new Vec3(0, (other.hashCode() > hashCode ? 6 : 4) / 16f, 0);
 				if (!edge.isTurn()) {
+					if (extended) {
+						Vec3 materialPos = edge.getPosition(graph, 0.5)
+							.add(0, 1, 0);
+						CreateClient.OUTLINER.showItem(Pair.of(edge, edge.edgeData), materialPos,
+							edge.getTrackMaterial()
+								.asStack());
+						CreateClient.OUTLINER.showAABB(edge.edgeData, AABB.ofSize(materialPos, .25, 0, .25)
+							.move(0, -0.5, 0))
+							.lineWidth(1 / 16f)
+							.colored(graph.color);
+					}
 					CreateClient.OUTLINER.showLine(edge, edge.getPosition(graph, 0)
 						.add(yOffset),
 						edge.getPosition(graph, 1)
@@ -277,6 +287,16 @@ public class TrackGraphVisualizer {
 
 				Vec3 previous = null;
 				BezierConnection turn = edge.getTurn();
+				if (extended) {
+					Vec3 materialPos = edge.getPosition(graph, 0.5)
+						.add(0, 1, 0);
+					CreateClient.OUTLINER.showItem(Pair.of(edge, edge.edgeData), materialPos, edge.getTrackMaterial()
+						.asStack());
+					CreateClient.OUTLINER.showAABB(edge.edgeData, AABB.ofSize(materialPos, .25, 0, .25)
+						.move(0, -0.5, 0))
+						.lineWidth(1 / 16f)
+						.colored(graph.color);
+				}
 				for (int i = 0; i <= turn.getSegmentCount(); i++) {
 					Vec3 current = edge.getPosition(graph, i * 1f / turn.getSegmentCount());
 					if (previous != null)

src/main/java/com/simibubi/create/content/logistics/trains/TrackMaterial.java

@@ -0,0 +1,171 @@
+package com.simibubi.create.content.logistics.trains;
+
+import static com.simibubi.create.content.logistics.trains.TrackMaterialFactory.make;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Supplier;
+
+import org.jetbrains.annotations.Nullable;
+
+import com.jozufozu.flywheel.core.PartialModel;
+import com.simibubi.create.AllBlocks;
+import com.simibubi.create.AllPartialModels;
+import com.simibubi.create.Create;
+import com.simibubi.create.content.logistics.trains.track.TrackBlock;
+import com.tterrag.registrate.util.nullness.NonNullSupplier;
+
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.item.BlockItem;
+import net.minecraft.world.item.Item;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.item.crafting.Ingredient;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.state.BlockBehaviour;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
+import net.minecraftforge.fml.DistExecutor;
+
+public class TrackMaterial {
+	public static final Map<ResourceLocation, TrackMaterial> ALL = new HashMap<>();
+
+	public static final TrackMaterial ANDESITE = make(Create.asResource("andesite"))
+			.lang("Andesite")
+			.block(NonNullSupplier.lazy(() -> AllBlocks.TRACK))
+			.particle(Create.asResource("block/palettes/stone_types/polished/andesite_cut_polished"))
+			.defaultModels()
+			.build();
+
+	public final ResourceLocation id;
+	public final String langName;
+	public final NonNullSupplier<NonNullSupplier<? extends TrackBlock>> trackBlock;
+	public final Ingredient sleeperIngredient;
+	public final Ingredient railsIngredient;
+	public final ResourceLocation particle;
+	public final TrackType trackType;
+
+	@Nullable
+	private final TrackMaterial.TrackType.TrackBlockFactory customFactory;
+
+	@OnlyIn(Dist.CLIENT)
+	protected TrackModelHolder modelHolder;
+
+	@OnlyIn(Dist.CLIENT)
+	public TrackModelHolder getModelHolder() {
+		return modelHolder;
+	}
+
+	public TrackMaterial(ResourceLocation id, String langName, NonNullSupplier<NonNullSupplier<? extends TrackBlock>> trackBlock,
+						 ResourceLocation particle, Ingredient sleeperIngredient, Ingredient railsIngredient,
+						 TrackType trackType, Supplier<Supplier<TrackModelHolder>> modelHolder) {
+		this(id, langName, trackBlock, particle, sleeperIngredient, railsIngredient, trackType, modelHolder, null);
+	}
+
+	public TrackMaterial(ResourceLocation id, String langName, NonNullSupplier<NonNullSupplier<? extends TrackBlock>> trackBlock,
+						 ResourceLocation particle, Ingredient sleeperIngredient, Ingredient railsIngredient,
+						 TrackType trackType, Supplier<Supplier<TrackModelHolder>> modelHolder,
+						 @Nullable TrackType.TrackBlockFactory customFactory) {
+		this.id = id;
+		this.langName = langName;
+		this.trackBlock = trackBlock;
+		this.sleeperIngredient = sleeperIngredient;
+		this.railsIngredient = railsIngredient;
+		this.particle = particle;
+		this.trackType = trackType;
+		this.customFactory = customFactory;
+		DistExecutor.unsafeRunWhenOn(Dist.CLIENT, () -> () -> this.modelHolder = modelHolder.get().get());
+		ALL.put(this.id, this);
+	}
+
+	public NonNullSupplier<? extends TrackBlock> getBlockSupplier() {
+		return this.trackBlock.get();
+	}
+
+	public TrackBlock getBlock() {
+		return getBlockSupplier().get();
+	}
+
+	public ItemStack asStack() {
+		return asStack(1);
+	}
+
+	public ItemStack asStack(int count) {
+		return new ItemStack(getBlock(), count);
+	}
+
+	public TrackBlock createBlock(BlockBehaviour.Properties properties) {
+		return (this.customFactory != null ? this.customFactory : this.trackType.factory)
+				.create(properties, this);
+	}
+
+	public boolean isFromMod(String modId) {
+		return this.id.getNamespace().equals(modId);
+	}
+
+	public static List<TrackMaterial> allFromMod(String modid) {
+		return ALL.values().stream().filter(tm -> tm.isFromMod(modid)).toList();
+	}
+
+	public static List<NonNullSupplier<? extends Block>> allBlocksFromMod(String modid) {
+		List<NonNullSupplier<? extends Block>> list = new ArrayList<>();
+		for (TrackMaterial material : allFromMod(modid)) {
+			list.add(material.getBlockSupplier());
+		}
+		return list;
+	}
+
+	public static List<NonNullSupplier<? extends Block>> allBlocks() {
+		List<NonNullSupplier<? extends Block>> list = new ArrayList<>();
+		for (TrackMaterial material : ALL.values()) {
+			list.add(material.getBlockSupplier());
+		}
+		return list;
+	}
+
+	public String resourceName() {
+		return this.id.getPath();
+	}
+
+	public static TrackMaterial deserialize(String serializedName) {
+		if (serializedName.isBlank()) // Data migrating from 0.5
+			return ANDESITE;
+
+		ResourceLocation id = ResourceLocation.tryParse(serializedName);
+		if (ALL.containsKey(id))
+			return ALL.get(id);
+
+		Create.LOGGER.error("Failed to locate serialized track material: " + serializedName);
+		return ANDESITE;
+	}
+
+	public static class TrackType {
+		@FunctionalInterface
+		public interface TrackBlockFactory {
+			TrackBlock create(BlockBehaviour.Properties properties, TrackMaterial material);
+		}
+
+		public static final TrackType STANDARD = new TrackType(Create.asResource("standard"), TrackBlock::new);
+
+		public final ResourceLocation id;
+		protected final TrackBlockFactory factory;
+
+		public TrackType(ResourceLocation id, TrackBlockFactory factory) {
+			this.id = id;
+			this.factory = factory;
+		}
+	}
+
+	public static TrackMaterial fromItem(Item item) {
+		if (item instanceof BlockItem blockItem && blockItem.getBlock() instanceof ITrackBlock trackBlock)
+			return trackBlock.getMaterial();
+		return TrackMaterial.ANDESITE;
+	}
+
+	@OnlyIn(Dist.CLIENT)
+	public record TrackModelHolder(PartialModel tie, PartialModel segment_left, PartialModel segment_right) {
+		static final TrackModelHolder DEFAULT = new TrackModelHolder(AllPartialModels.TRACK_TIE,
+			AllPartialModels.TRACK_SEGMENT_LEFT, AllPartialModels.TRACK_SEGMENT_RIGHT);
+	}
+}

src/main/java/com/simibubi/create/content/logistics/trains/TrackMaterialFactory.java

@@ -0,0 +1,142 @@
+package com.simibubi.create.content.logistics.trains;
+
+import java.util.function.Supplier;
+import java.util.stream.Stream;
+
+import org.jetbrains.annotations.Nullable;
+
+import com.jozufozu.flywheel.core.PartialModel;
+import com.simibubi.create.AllTags;
+import com.simibubi.create.content.logistics.trains.track.TrackBlock;
+import com.tterrag.registrate.util.nullness.NonNullSupplier;
+
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.item.crafting.Ingredient;
+import net.minecraft.world.level.ItemLike;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
+import net.minecraftforge.fml.DistExecutor;
+
+public class TrackMaterialFactory {
+	private final ResourceLocation id;
+	private String langName;
+	private NonNullSupplier<NonNullSupplier<? extends TrackBlock>> trackBlock;
+	private Ingredient sleeperIngredient = Ingredient.EMPTY;
+	private Ingredient railsIngredient = Ingredient.fromValues(Stream.of(new Ingredient.TagValue(AllTags.forgeItemTag("nuggets/iron")), new Ingredient.TagValue(AllTags.forgeItemTag("nuggets/zinc"))));
+	private ResourceLocation particle;
+	private TrackMaterial.TrackType trackType = TrackMaterial.TrackType.STANDARD;
+
+	@Nullable
+	private TrackMaterial.TrackType.TrackBlockFactory customFactory = null;
+
+	@OnlyIn(Dist.CLIENT)
+	private TrackMaterial.TrackModelHolder modelHolder;
+	@OnlyIn(Dist.CLIENT)
+	private PartialModel tieModel;
+	@OnlyIn(Dist.CLIENT)
+	private PartialModel leftSegmentModel;
+	@OnlyIn(Dist.CLIENT)
+	private PartialModel rightSegmentModel;
+
+	public TrackMaterialFactory(ResourceLocation id) {
+		this.id = id;
+	}
+
+	public static TrackMaterialFactory make(ResourceLocation id) {  // Convenience function for static import
+		return new TrackMaterialFactory(id);
+	}
+
+	public TrackMaterialFactory lang(String langName) {
+		this.langName = langName;
+		return this;
+	}
+
+	public TrackMaterialFactory block(NonNullSupplier<NonNullSupplier<? extends TrackBlock>> trackBlock) {
+		this.trackBlock = trackBlock;
+		return this;
+	}
+
+	public TrackMaterialFactory defaultModels() { // was setBuiltin
+		DistExecutor.unsafeRunWhenOn(Dist.CLIENT, () -> () -> this.modelHolder = TrackMaterial.TrackModelHolder.DEFAULT);
+		return this;
+	}
+
+	public TrackMaterialFactory sleeper(Ingredient sleeperIngredient) {
+		this.sleeperIngredient = sleeperIngredient;
+		return this;
+	}
+
+	public TrackMaterialFactory sleeper(ItemLike... items) {
+		this.sleeperIngredient = Ingredient.of(items);
+		return this;
+	}
+
+	public TrackMaterialFactory rails(Ingredient railsIngredient) {
+		this.railsIngredient = railsIngredient;
+		return this;
+	}
+
+	public TrackMaterialFactory rails(ItemLike... items) {
+		this.railsIngredient = Ingredient.of(items);
+		return this;
+	}
+
+	public TrackMaterialFactory noRecipeGen() {
+		this.railsIngredient = Ingredient.EMPTY;
+		this.sleeperIngredient = Ingredient.EMPTY;
+		return this;
+	}
+
+	public TrackMaterialFactory particle(ResourceLocation particle) {
+		this.particle = particle;
+		return this;
+	}
+
+	public TrackMaterialFactory trackType(TrackMaterial.TrackType trackType) {
+		this.trackType = trackType;
+		return this;
+	}
+
+	public TrackMaterialFactory standardModels() { // was defaultModels
+		DistExecutor.unsafeRunWhenOn(Dist.CLIENT, () -> () -> {
+			String namespace = id.getNamespace();
+			String prefix = "block/track/" + id.getPath() + "/";
+			tieModel = new PartialModel(new ResourceLocation(namespace, prefix + "tie"));
+			leftSegmentModel = new PartialModel(new ResourceLocation(namespace, prefix + "segment_left"));
+			rightSegmentModel = new PartialModel(new ResourceLocation(namespace, prefix + "segment_right"));
+		});
+		return this;
+	}
+
+	public TrackMaterialFactory customModels(Supplier<Supplier<PartialModel>> tieModel, Supplier<Supplier<PartialModel>> leftSegmentModel, Supplier<Supplier<PartialModel>> rightSegmentModel) {
+		DistExecutor.unsafeRunWhenOn(Dist.CLIENT, () -> () -> {
+			this.tieModel = tieModel.get().get();
+			this.leftSegmentModel = leftSegmentModel.get().get();
+			this.rightSegmentModel = rightSegmentModel.get().get();
+		});
+		return this;
+	}
+
+	public TrackMaterialFactory customBlockFactory(TrackMaterial.TrackType.TrackBlockFactory factory) {
+		this.customFactory = factory;
+		return this;
+	}
+
+	public TrackMaterial build() {
+		assert trackBlock != null;
+		assert langName != null;
+		assert particle != null;
+		assert trackType != null;
+		assert sleeperIngredient != null;
+		assert railsIngredient != null;
+		assert id != null;
+		DistExecutor.unsafeRunWhenOn(Dist.CLIENT, () -> () -> {
+			assert modelHolder != null;
+			if (tieModel != null || leftSegmentModel != null || rightSegmentModel != null) {
+				assert tieModel != null && leftSegmentModel != null && rightSegmentModel != null;
+				modelHolder = new TrackMaterial.TrackModelHolder(tieModel, leftSegmentModel, rightSegmentModel);
+			}
+		});
+		return new TrackMaterial(id, langName, trackBlock, particle, sleeperIngredient, railsIngredient, trackType, () -> () -> modelHolder, customFactory);
+	}
+}

src/main/java/com/simibubi/create/content/logistics/trains/TrackNodeLocation.java

@@ -25,8 +25,8 @@ public class TrackNodeLocation extends Vec3i {
 		this(vec.x, vec.y, vec.z);
 	}
 
-	public TrackNodeLocation(double p_121865_, double p_121866_, double p_121867_) {
-		super(Math.round(p_121865_ * 2), Math.floor(p_121866_) * 2, Math.round(p_121867_ * 2));
+	public TrackNodeLocation(double x, double y, double z) {
+		super(Math.round(x * 2), Math.floor(y) * 2, Math.round(z * 2));
 	}
 
 	public TrackNodeLocation in(Level level) {
@@ -122,9 +122,11 @@ public class TrackNodeLocation extends Vec3i {
 		boolean forceNode = false;
 		Vec3 direction;
 		Vec3 normal;
+		TrackMaterial materialA;
+		TrackMaterial materialB;
 
-		public DiscoveredLocation(Level level, double p_121865_, double p_121866_, double p_121867_) {
-			super(p_121865_, p_121866_, p_121867_);
+		public DiscoveredLocation(Level level, double x, double y, double z) {
+			super(x, y, z);
 			in(level);
 		}
 
@@ -137,6 +139,22 @@ public class TrackNodeLocation extends Vec3i {
 			this(level.dimension(), vec);
 		}
 
+		public DiscoveredLocation materialA(TrackMaterial material) {
+			this.materialA = material;
+			return this;
+		}
+
+		public DiscoveredLocation materialB(TrackMaterial material) {
+			this.materialB = material;
+			return this;
+		}
+
+		public DiscoveredLocation materials(TrackMaterial materialA, TrackMaterial materialB) {
+			this.materialA = materialA;
+			this.materialB = materialB;
+			return this;
+		}
+
 		public DiscoveredLocation viaTurn(BezierConnection turn) {
 			this.turn = turn;
 			if (turn != null)
@@ -176,6 +194,10 @@ public class TrackNodeLocation extends Vec3i {
 			return forceNode;
 		}
 
+		public boolean differentMaterials() {
+			return materialA != materialB;
+		}
+
 		public boolean notInLineWith(Vec3 direction) {
 			return this.direction != null
 				&& Math.max(direction.dot(this.direction), direction.dot(this.direction.scale(-1))) < 7 / 8f;

src/main/java/com/simibubi/create/content/logistics/trains/TrackPropagator.java

@@ -8,6 +8,7 @@ import java.util.List;
 import java.util.Set;
 
 import com.simibubi.create.Create;
+import com.simibubi.create.api.event.TrackGraphMergeEvent;
 import com.simibubi.create.content.logistics.trains.TrackNodeLocation.DiscoveredLocation;
 import com.simibubi.create.content.logistics.trains.management.edgePoint.signal.SignalPropagator;
 
@@ -16,6 +17,7 @@ import net.minecraft.util.Mth;
 import net.minecraft.world.level.LevelAccessor;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.phys.Vec3;
+import net.minecraftforge.common.MinecraftForge;
 
 public class TrackPropagator {
 
@@ -135,6 +137,7 @@ public class TrackPropagator {
 				if (graph == null)
 					graph = other;
 				else {
+					MinecraftForge.EVENT_BUS.post(new TrackGraphMergeEvent(other, graph));
 					other.transferAll(graph);
 					manager.removeGraphAndGroup(other);
 					sync.graphRemoved(other);
@@ -234,6 +237,8 @@ public class TrackPropagator {
 			return true;
 		if (location.shouldForceNode())
 			return true;
+		if (location.differentMaterials())
+			return true;
 		if (next.stream()
 			.anyMatch(DiscoveredLocation::shouldForceNode))
 			return true;

src/main/java/com/simibubi/create/content/logistics/trains/entity/BackupBogeyRenderer.java

@@ -0,0 +1,22 @@
+package com.simibubi.create.content.logistics.trains.entity;
+
+import com.jozufozu.flywheel.api.MaterialManager;
+import com.mojang.blaze3d.vertex.PoseStack;
+import com.mojang.blaze3d.vertex.VertexConsumer;
+import com.simibubi.create.content.logistics.trains.BogeyRenderer;
+
+import net.minecraft.nbt.CompoundTag;
+
+public class BackupBogeyRenderer extends BogeyRenderer.CommonRenderer {
+	public static BackupBogeyRenderer INSTANCE = new BackupBogeyRenderer();
+
+	@Override
+	public void render(CompoundTag bogeyData, float wheelAngle, PoseStack ms, int light, VertexConsumer vb, boolean inContraption) {
+
+	}
+
+	@Override
+	public void initialiseContraptionModelData(MaterialManager materialManager) {
+
+	}
+}

src/main/java/com/simibubi/create/content/logistics/trains/entity/BogeyInstance.java

@@ -1,235 +1,69 @@
 package com.simibubi.create.content.logistics.trains.entity;
 
-import com.jozufozu.flywheel.api.Material;
+import java.util.Optional;
+
 import com.jozufozu.flywheel.api.MaterialManager;
-import com.jozufozu.flywheel.core.Materials;
-import com.jozufozu.flywheel.core.materials.model.ModelData;
 import com.jozufozu.flywheel.util.AnimationTickHolder;
 import com.mojang.blaze3d.vertex.PoseStack;
-import com.simibubi.create.AllBlocks;
-import com.simibubi.create.AllPartialModels;
-import com.simibubi.create.content.contraptions.relays.elementary.ShaftBlock;
-import com.simibubi.create.foundation.utility.AngleHelper;
-import com.simibubi.create.foundation.utility.Iterate;
+import com.simibubi.create.content.logistics.trains.BogeyRenderer;
+import com.simibubi.create.content.logistics.trains.BogeySizes;
 
 import net.minecraft.core.BlockPos;
-import net.minecraft.core.Direction;
 import net.minecraft.world.level.BlockAndTintGetter;
 import net.minecraft.world.level.LightLayer;
 import net.minecraft.world.phys.Vec3;
 
-public sealed class BogeyInstance {
+public final class BogeyInstance {
+	private final BogeySizes.BogeySize size;
+	private final BogeyStyle style;
 
 	public final CarriageBogey bogey;
-	private final ModelData[] shafts;
+	public final BogeyRenderer renderer;
+	public final Optional<BogeyRenderer.CommonRenderer> commonRenderer;
 
-	protected BogeyInstance(CarriageBogey bogey, MaterialManager materialManager) {
+	public BogeyInstance(CarriageBogey bogey, BogeyStyle style, BogeySizes.BogeySize size,
+		MaterialManager materialManager) {
 		this.bogey = bogey;
+		this.size = size;
+		this.style = style;
 
-		shafts = new ModelData[2];
-
-		materialManager.defaultSolid()
-			.material(Materials.TRANSFORMED)
-			.getModel(AllBlocks.SHAFT.getDefaultState()
-				.setValue(ShaftBlock.AXIS, Direction.Axis.Z))
-			.createInstances(shafts);
+		this.renderer = this.style.createRendererInstance(this.size);
+		this.commonRenderer = this.style.getNewCommonRenderInstance();
 
+		commonRenderer.ifPresent(bogeyRenderer -> bogeyRenderer.initialiseContraptionModelData(materialManager));
+		renderer.initialiseContraptionModelData(materialManager);
 	}
 
-	public void remove() {
-		for (ModelData shaft : shafts)
-			shaft.delete();
-	}
-
-	public void hiddenFrame() {
+	void hiddenFrame() {
 		beginFrame(0, null);
 	}
 
 	public void beginFrame(float wheelAngle, PoseStack ms) {
 		if (ms == null) {
-			for (int i : Iterate.zeroAndOne)
-				shafts[i].setEmptyTransform();
+			renderer.emptyTransforms();
 			return;
 		}
 
-		for (int i : Iterate.zeroAndOne)
-			shafts[i].setTransform(ms)
-				.translate(-.5f, .25f, i * -1)
-				.centre()
-				.rotateZ(wheelAngle)
-				.unCentre();
+		commonRenderer.ifPresent(bogeyRenderer -> bogeyRenderer.render(bogey.bogeyData, wheelAngle, ms));
+		renderer.render(bogey.bogeyData, wheelAngle, ms);
 	}
 
 	public void updateLight(BlockAndTintGetter world, CarriageContraptionEntity entity) {
 		var lightPos = new BlockPos(getLightPos(entity));
-
-		updateLight(world.getBrightness(LightLayer.BLOCK, lightPos), world.getBrightness(LightLayer.SKY, lightPos));
+		commonRenderer
+			.ifPresent(bogeyRenderer -> bogeyRenderer.updateLight(world.getBrightness(LightLayer.BLOCK, lightPos),
+				world.getBrightness(LightLayer.SKY, lightPos)));
+		renderer.updateLight(world.getBrightness(LightLayer.BLOCK, lightPos),
+			world.getBrightness(LightLayer.SKY, lightPos));
 	}
 
 	private Vec3 getLightPos(CarriageContraptionEntity entity) {
-		if (bogey.getAnchorPosition() != null) {
-			return bogey.getAnchorPosition();
-		} else {
-			return entity.getLightProbePosition(AnimationTickHolder.getPartialTicks());
-		}
+		return bogey.getAnchorPosition() != null ? bogey.getAnchorPosition()
+			: entity.getLightProbePosition(AnimationTickHolder.getPartialTicks());
 	}
 
-	public void updateLight(int blockLight, int skyLight) {
-		for (ModelData shaft : shafts) {
-			shaft.setBlockLight(blockLight)
-				.setSkyLight(skyLight);
-		}
-	}
-
-	public static final class Frame extends BogeyInstance {
-
-		private final ModelData frame;
-		private final ModelData[] wheels;
-
-		public Frame(CarriageBogey bogey, MaterialManager materialManager) {
-			super(bogey, materialManager);
-
-			frame = materialManager.defaultSolid()
-				.material(Materials.TRANSFORMED)
-				.getModel(AllPartialModels.BOGEY_FRAME)
-				.createInstance();
-
-			wheels = new ModelData[2];
-
-			materialManager.defaultSolid()
-				.material(Materials.TRANSFORMED)
-				.getModel(AllPartialModels.SMALL_BOGEY_WHEELS)
-				.createInstances(wheels);
-		}
-
-		@Override
-		public void beginFrame(float wheelAngle, PoseStack ms) {
-			super.beginFrame(wheelAngle, ms);
-
-			if (ms == null) {
-				frame.setEmptyTransform();
-				for (int side : Iterate.positiveAndNegative)
-					wheels[(side + 1) / 2].setEmptyTransform();
-				return;
-			}
-
-			frame.setTransform(ms);
-
-			for (int side : Iterate.positiveAndNegative) {
-				wheels[(side + 1) / 2].setTransform(ms)
-					.translate(0, 12 / 16f, side)
-					.rotateX(wheelAngle);
-			}
-		}
-
-		@Override
-		public void updateLight(int blockLight, int skyLight) {
-			super.updateLight(blockLight, skyLight);
-			frame.setBlockLight(blockLight)
-				.setSkyLight(skyLight);
-			for (ModelData wheel : wheels)
-				wheel.setBlockLight(blockLight)
-					.setSkyLight(skyLight);
-		}
-
-		@Override
-		public void remove() {
-			super.remove();
-			frame.delete();
-			for (ModelData wheel : wheels)
-				wheel.delete();
-		}
-	}
-
-	public static final class Drive extends BogeyInstance {
-
-		private final ModelData[] secondShaft;
-		private final ModelData drive;
-		private final ModelData piston;
-		private final ModelData wheels;
-		private final ModelData pin;
-
-		public Drive(CarriageBogey bogey, MaterialManager materialManager) {
-			super(bogey, materialManager);
-			Material<ModelData> mat = materialManager.defaultSolid()
-				.material(Materials.TRANSFORMED);
-
-			secondShaft = new ModelData[2];
-
-			mat.getModel(AllBlocks.SHAFT.getDefaultState()
-				.setValue(ShaftBlock.AXIS, Direction.Axis.X))
-				.createInstances(secondShaft);
-
-			drive = mat.getModel(AllPartialModels.BOGEY_DRIVE)
-				.createInstance();
-			piston = mat.getModel(AllPartialModels.BOGEY_PISTON)
-				.createInstance();
-			wheels = mat.getModel(AllPartialModels.LARGE_BOGEY_WHEELS)
-				.createInstance();
-			pin = mat.getModel(AllPartialModels.BOGEY_PIN)
-				.createInstance();
-		}
-
-		@Override
-		public void beginFrame(float wheelAngle, PoseStack ms) {
-			super.beginFrame(wheelAngle, ms);
-
-			if (ms == null) {
-				for (int i : Iterate.zeroAndOne)
-					secondShaft[i].setEmptyTransform();
-				drive.setEmptyTransform();
-				piston.setEmptyTransform();
-				wheels.setEmptyTransform();
-				pin.setEmptyTransform();
-				return;
-			}
-
-			for (int i : Iterate.zeroAndOne)
-				secondShaft[i].setTransform(ms)
-					.translate(-.5f, .25f, .5f + i * -2)
-					.centre()
-					.rotateX(wheelAngle)
-					.unCentre();
-
-			drive.setTransform(ms);
-			piston.setTransform(ms)
-				.translate(0, 0, 1 / 4f * Math.sin(AngleHelper.rad(wheelAngle)));
-
-			wheels.setTransform(ms)
-				.translate(0, 1, 0)
-				.rotateX(wheelAngle);
-			pin.setTransform(ms)
-				.translate(0, 1, 0)
-				.rotateX(wheelAngle)
-				.translate(0, 1 / 4f, 0)
-				.rotateX(-wheelAngle);
-		}
-
-		@Override
-		public void updateLight(int blockLight, int skyLight) {
-			super.updateLight(blockLight, skyLight);
-			for (ModelData shaft : secondShaft)
-				shaft.setBlockLight(blockLight)
-					.setSkyLight(skyLight);
-			drive.setBlockLight(blockLight)
-				.setSkyLight(skyLight);
-			piston.setBlockLight(blockLight)
-				.setSkyLight(skyLight);
-			wheels.setBlockLight(blockLight)
-				.setSkyLight(skyLight);
-			pin.setBlockLight(blockLight)
-				.setSkyLight(skyLight);
-		}
-
-		@Override
-		public void remove() {
-			super.remove();
-			for (ModelData shaft : secondShaft)
-				shaft.delete();
-			drive.delete();
-			piston.delete();
-			wheels.delete();
-			pin.delete();
-		}
+	@FunctionalInterface
+	interface BogeyInstanceFactory {
+		BogeyInstance create(CarriageBogey bogey, BogeySizes.BogeySize size, MaterialManager materialManager);
 	}
 }

src/main/java/com/simibubi/create/content/logistics/trains/entity/BogeyStyle.java

@@ -0,0 +1,114 @@
+package com.simibubi.create.content.logistics.trains.entity;
+
+import com.jozufozu.flywheel.api.MaterialManager;
+import com.simibubi.create.AllBogeyStyles;
+import com.simibubi.create.AllSoundEvents;
+import com.simibubi.create.content.logistics.trains.BogeyRenderer;
+
+import com.simibubi.create.content.logistics.trains.BogeyRenderer.CommonRenderer;
+import com.simibubi.create.content.logistics.trains.BogeySizes;
+
+import net.minecraft.core.particles.ParticleOptions;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.network.chat.Component;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.sounds.SoundEvent;
+import net.minecraft.world.level.block.Block;
+import net.minecraftforge.registries.ForgeRegistries;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Supplier;
+import java.util.stream.Stream;
+
+
+public class BogeyStyle {
+	private final Optional<Supplier<? extends CommonRenderer>> commonRendererFactory;
+
+	public final ResourceLocation name;
+	public final ResourceLocation cycleGroup;
+	private final Optional<CommonRenderer> commonRenderer;
+	private final Map<BogeySizes.BogeySize, SizeData> sizes;
+	public final Component displayName;
+	public final ResourceLocation soundType;
+	public final ParticleOptions contactParticle;
+	public final ParticleOptions smokeParticle;
+	public final CompoundTag defaultData;
+
+	public BogeyStyle(ResourceLocation name, ResourceLocation cycleGroup, Component displayName, ResourceLocation soundType, ParticleOptions contactParticle, ParticleOptions smokeParticle,
+					  CompoundTag defaultData, Map<BogeySizes.BogeySize, SizeData> sizes, Optional<Supplier<? extends CommonRenderer>> commonRenderer) {
+		this.name = name;
+		this.cycleGroup = cycleGroup;
+		this.displayName = displayName;
+		this.soundType = soundType;
+		this.contactParticle = contactParticle;
+		this.smokeParticle = smokeParticle;
+		this.defaultData = defaultData;
+
+		this.sizes = sizes;
+
+		this.commonRendererFactory = commonRenderer;
+		this.commonRenderer = commonRenderer.map(Supplier::get);
+	}
+
+	public Map<ResourceLocation, BogeyStyle> getCycleGroup() {
+		return AllBogeyStyles.getCycleGroup(cycleGroup);
+	}
+
+	public Block getNextBlock(BogeySizes.BogeySize currentSize) {
+		return Stream.iterate(currentSize.increment(), BogeySizes.BogeySize::increment)
+				.filter(sizes::containsKey)
+				.findFirst()
+				.map(size -> ForgeRegistries.BLOCKS.getValue(sizes.get(size).block()))
+				.orElse(ForgeRegistries.BLOCKS.getValue(sizes.get(currentSize).block()));
+	}
+
+	public Block getBlockOfSize(BogeySizes.BogeySize size) {
+		return ForgeRegistries.BLOCKS.getValue(sizes.get(size).block());
+	}
+
+	public Set<BogeySizes.BogeySize> validSizes() {
+		return sizes.keySet();
+	}
+
+	@NotNull
+	public SoundEvent getSoundType() {
+		AllSoundEvents.SoundEntry entry = AllSoundEvents.ALL.get(this.soundType);
+		if (entry == null || entry.getMainEvent() == null) entry = AllSoundEvents.TRAIN2;
+		return entry.getMainEvent();
+	}
+
+	public BogeyRenderer createRendererInstance(BogeySizes.BogeySize size) {
+		return this.sizes.get(size).createRenderInstance();
+	}
+
+	public BogeyRenderer getInWorldRenderInstance(BogeySizes.BogeySize size) {
+		SizeData sizeData = this.sizes.get(size);
+		return sizeData != null ? sizeData.getInWorldInstance() : BackupBogeyRenderer.INSTANCE;
+	}
+
+	public Optional<CommonRenderer> getInWorldCommonRenderInstance() {
+		return this.commonRenderer;
+	}
+
+	public Optional<CommonRenderer> getNewCommonRenderInstance() {
+		return this.commonRendererFactory.map(Supplier::get);
+	}
+
+	public BogeyInstance createInstance(CarriageBogey bogey, BogeySizes.BogeySize size, MaterialManager materialManager) {
+		return new BogeyInstance(bogey, this, size, materialManager);
+	}
+
+	public record SizeData(ResourceLocation block, Supplier<? extends BogeyRenderer> rendererFactory, BogeyRenderer instance) {
+		public BogeyRenderer createRenderInstance() {
+			return rendererFactory.get();
+		}
+
+		public BogeyRenderer getInWorldInstance() {
+			return instance;
+		}
+	}
+}

src/main/java/com/simibubi/create/content/logistics/trains/entity/Carriage.java

@@ -85,6 +85,11 @@ public class Carriage {
 			bogey2.carriage = this;
 	}
 
+	public boolean isOnIncompatibleTrack() {
+		return leadingBogey().type.isOnIncompatibleTrack(this, true)
+				|| trailingBogey().type.isOnIncompatibleTrack(this, false);
+	}
+
 	public void setTrain(Train train) {
 		this.train = train;
 	}
@@ -103,7 +108,7 @@ public class Carriage {
 
 		DimensionalCarriageEntity dimensional = getDimensional(level);
 		dimensional.alignEntity(entity);
-		dimensional.removeAndSaveEntity(entity, false);
+		dimensional.removeAndSaveEntity(entity, true);
 	}
 
 	public DimensionalCarriageEntity getDimensional(Level level) {
@@ -306,6 +311,9 @@ public class Carriage {
 		double leadingWheelSpacing = leadingBogey.type.getWheelPointSpacing();
 		double trailingWheelSpacing = trailingBogey.type.getWheelPointSpacing();
 
+		boolean leadingUpsideDown = leadingBogey.isUpsideDown();
+		boolean trailingUpsideDown = trailingBogey.isUpsideDown();
+
 		for (boolean leading : Iterate.trueAndFalse) {
 			TravellingPoint point = leading ? getLeadingPoint() : getTrailingPoint();
 			TravellingPoint otherPoint = !leading ? getLeadingPoint() : getTrailingPoint();
@@ -321,26 +329,31 @@ public class Carriage {
 
 			dce.positionAnchor = dimension.equals(leadingBogeyDim) ? leadingBogey.getAnchorPosition()
 				: pivoted(dce, dimension, point,
-					leading ? leadingWheelSpacing / 2 : bogeySpacing + trailingWheelSpacing / 2);
+					leading ? leadingWheelSpacing / 2 : bogeySpacing + trailingWheelSpacing / 2,
+					leadingUpsideDown, trailingUpsideDown);
+
+			boolean backAnchorFlip = trailingBogey.isUpsideDown() ^ leadingBogey.isUpsideDown();
 
 			if (isOnTwoBogeys()) {
 				dce.rotationAnchors.setFirst(dimension.equals(leadingBogeyDim) ? leadingBogey.getAnchorPosition()
 					: pivoted(dce, dimension, point,
-						leading ? leadingWheelSpacing / 2 : bogeySpacing + trailingWheelSpacing / 2));
-				dce.rotationAnchors.setSecond(dimension.equals(trailingBogeyDim) ? trailingBogey.getAnchorPosition()
+						leading ? leadingWheelSpacing / 2 : bogeySpacing + trailingWheelSpacing / 2,
+						leadingUpsideDown, trailingUpsideDown));
+				dce.rotationAnchors.setSecond(dimension.equals(trailingBogeyDim) ? trailingBogey.getAnchorPosition(backAnchorFlip)
 					: pivoted(dce, dimension, point,
-						leading ? leadingWheelSpacing / 2 + bogeySpacing : trailingWheelSpacing / 2));
+						leading ? leadingWheelSpacing / 2 + bogeySpacing : trailingWheelSpacing / 2,
+						leadingUpsideDown, trailingUpsideDown));
 
 			} else {
 				if (dimension.equals(otherDimension)) {
 					dce.rotationAnchors = leadingBogey.points.map(tp -> tp.getPosition(train.graph));
 				} else {
-					dce.rotationAnchors
-						.setFirst(leadingBogey.points.getFirst() == point ? point.getPosition(train.graph)
-							: pivoted(dce, dimension, point, leadingWheelSpacing));
-					dce.rotationAnchors
-						.setSecond(leadingBogey.points.getSecond() == point ? point.getPosition(train.graph)
-							: pivoted(dce, dimension, point, leadingWheelSpacing));
+					dce.rotationAnchors.setFirst(leadingBogey.points.getFirst() == point
+						? point.getPosition(train.graph)
+						: pivoted(dce, dimension, point, leadingWheelSpacing, leadingUpsideDown, trailingUpsideDown));
+					dce.rotationAnchors.setSecond(leadingBogey.points.getSecond() == point
+						? point.getPosition(train.graph)
+						: pivoted(dce, dimension, point, leadingWheelSpacing, leadingUpsideDown, trailingUpsideDown));
 				}
 			}
 
@@ -358,15 +371,16 @@ public class Carriage {
 	}
 
 	private Vec3 pivoted(DimensionalCarriageEntity dce, ResourceKey<Level> dimension, TravellingPoint start,
-		double offset) {
+		double offset, boolean leadingUpsideDown, boolean trailingUpsideDown) {
 		if (train.graph == null)
 			return dce.pivot == null ? null : dce.pivot.getLocation();
 		TrackNodeLocation pivot = dce.findPivot(dimension, start == getLeadingPoint());
 		if (pivot == null)
 			return null;
-		Vec3 startVec = start.getPosition(train.graph);
+		boolean flipped = start != getLeadingPoint() && (leadingUpsideDown != trailingUpsideDown);
+		Vec3 startVec = start.getPosition(train.graph, flipped);
 		Vec3 portalVec = pivot.getLocation()
-			.add(0, 1, 0);
+			.add(0, leadingUpsideDown ? -1.0 : 1.0, 0);
 		return VecHelper.lerp((float) (offset / startVec.distanceTo(portalVec)), startVec, portalVec);
 	}
 
@@ -725,8 +739,8 @@ public class Carriage {
 
 		}
 
-		private void dismountPlayer(ServerLevel sLevel, ServerPlayer sp, Integer seat, boolean portal) {
-			if (!portal) {
+		private void dismountPlayer(ServerLevel sLevel, ServerPlayer sp, Integer seat, boolean capture) {
+			if (!capture) {
 				sp.stopRiding();
 				return;
 			}

src/main/java/com/simibubi/create/content/logistics/trains/entity/CarriageBogey.java

@@ -1,15 +1,21 @@
 package com.simibubi.create.content.logistics.trains.entity;
 
+import static com.simibubi.create.content.logistics.trains.track.AbstractBogeyBlockEntity.BOGEY_DATA_KEY;
+import static com.simibubi.create.content.logistics.trains.track.AbstractBogeyBlockEntity.BOGEY_STYLE_KEY;
+
 import javax.annotation.Nullable;
 
 import com.jozufozu.flywheel.api.MaterialManager;
+import com.simibubi.create.AllBogeyStyles;
 import com.simibubi.create.Create;
+import com.simibubi.create.content.logistics.trains.AbstractBogeyBlock;
 import com.simibubi.create.content.logistics.trains.DimensionPalette;
-import com.simibubi.create.content.logistics.trains.IBogeyBlock;
 import com.simibubi.create.content.logistics.trains.TrackGraph;
+import com.simibubi.create.content.logistics.trains.track.AbstractBogeyBlockEntity;
 import com.simibubi.create.foundation.utility.AngleHelper;
 import com.simibubi.create.foundation.utility.Couple;
 import com.simibubi.create.foundation.utility.Iterate;
+import com.simibubi.create.foundation.utility.NBTHelper;
 import com.simibubi.create.foundation.utility.RegisteredObjects;
 import com.simibubi.create.foundation.utility.VecHelper;
 import com.simibubi.create.foundation.utility.animation.LerpedFloat;
@@ -27,11 +33,15 @@ import net.minecraftforge.registries.ForgeRegistries;
 
 public class CarriageBogey {
 
-	public Carriage carriage;
+	public static final String UPSIDE_DOWN_KEY = "UpsideDown";
 
+	public Carriage carriage;
 	boolean isLeading;
 
-	IBogeyBlock type;
+	public CompoundTag bogeyData;
+
+	AbstractBogeyBlock<?> type;
+	boolean upsideDown;
 	Couple<TravellingPoint> points;
 
 	LerpedFloat wheelAngle;
@@ -42,8 +52,15 @@ public class CarriageBogey {
 
 	int derailAngle;
 
-	public CarriageBogey(IBogeyBlock type, TravellingPoint point, TravellingPoint point2) {
+	public CarriageBogey(AbstractBogeyBlock<?> type, boolean upsideDown, CompoundTag bogeyData, TravellingPoint point, TravellingPoint point2) {
 		this.type = type;
+		this.upsideDown = type.canBeUpsideDown() && upsideDown;
+		point.upsideDown = this.upsideDown;
+		point2.upsideDown = this.upsideDown;
+		if (bogeyData == null || bogeyData.isEmpty())
+			bogeyData = this.createBogeyData(); // Prevent Crash When Updating
+		bogeyData.putBoolean(UPSIDE_DOWN_KEY, upsideDown);
+		this.bogeyData = bogeyData;
 		points = Couple.create(point, point2);
 		wheelAngle = LerpedFloat.angular();
 		yaw = LerpedFloat.angular();
@@ -100,11 +117,15 @@ public class CarriageBogey {
 	}
 
 	public TravellingPoint leading() {
-		return points.getFirst();
+		TravellingPoint point = points.getFirst();
+		point.upsideDown = isUpsideDown();
+		return point;
 	}
 
 	public TravellingPoint trailing() {
-		return points.getSecond();
+		TravellingPoint point = points.getSecond();
+		point.upsideDown = isUpsideDown();
+		return point;
 	}
 
 	public double getStress() {
@@ -118,18 +139,25 @@ public class CarriageBogey {
 
 	@Nullable
 	public Vec3 getAnchorPosition() {
+		return getAnchorPosition(false);
+	}
+
+	@Nullable
+	public Vec3 getAnchorPosition(boolean flipUpsideDown) {
 		if (leading().edge == null)
 			return null;
 		return points.getFirst()
-			.getPosition(carriage.train.graph)
+			.getPosition(carriage.train.graph, flipUpsideDown)
 			.add(points.getSecond()
-				.getPosition(carriage.train.graph))
+				.getPosition(carriage.train.graph, flipUpsideDown))
 			.scale(.5);
 	}
 
 	public void updateCouplingAnchor(Vec3 entityPos, float entityXRot, float entityYRot, int bogeySpacing,
 		float partialTicks, boolean leading) {
-		Vec3 thisOffset = type.getConnectorAnchorOffset();
+		boolean selfUpsideDown = isUpsideDown();
+		boolean leadingUpsideDown = carriage.leadingBogey().isUpsideDown();
+		Vec3 thisOffset = type.getConnectorAnchorOffset(selfUpsideDown);
 		thisOffset = thisOffset.multiply(1, 1, leading ? -1 : 1);
 
 		thisOffset = VecHelper.rotate(thisOffset, pitch.getValue(partialTicks), Axis.X);
@@ -141,6 +169,8 @@ public class CarriageBogey {
 		thisOffset = VecHelper.rotate(thisOffset, 180, Axis.Y);
 		thisOffset = VecHelper.rotate(thisOffset, -entityXRot, Axis.X);
 		thisOffset = VecHelper.rotate(thisOffset, entityYRot + 90, Axis.Y);
+		if (selfUpsideDown != leadingUpsideDown)
+			thisOffset = thisOffset.add(0, selfUpsideDown ? -2 : 2, 0);
 
 		couplingAnchors.set(leading, entityPos.add(thisOffset));
 	}
@@ -150,23 +180,46 @@ public class CarriageBogey {
 		tag.putString("Type", RegisteredObjects.getKeyOrThrow((Block) type)
 			.toString());
 		tag.put("Points", points.serializeEach(tp -> tp.write(dimensions)));
+		tag.putBoolean("UpsideDown", upsideDown);
+		bogeyData.putBoolean(UPSIDE_DOWN_KEY, upsideDown);
+		NBTHelper.writeResourceLocation(bogeyData, BOGEY_STYLE_KEY, getStyle().name);
+		tag.put(BOGEY_DATA_KEY, bogeyData);
 		return tag;
 	}
 
 	public static CarriageBogey read(CompoundTag tag, TrackGraph graph, DimensionPalette dimensions) {
 		ResourceLocation location = new ResourceLocation(tag.getString("Type"));
-		IBogeyBlock type = (IBogeyBlock) ForgeRegistries.BLOCKS.getValue(location);
+		AbstractBogeyBlock<?> type = (AbstractBogeyBlock<?>) ForgeRegistries.BLOCKS.getValue(location);
+		boolean upsideDown = tag.getBoolean("UpsideDown");
 		Couple<TravellingPoint> points = Couple.deserializeEach(tag.getList("Points", Tag.TAG_COMPOUND),
 			c -> TravellingPoint.read(c, graph, dimensions));
-		CarriageBogey carriageBogey = new CarriageBogey(type, points.getFirst(), points.getSecond());
-		return carriageBogey;
+		CompoundTag data = tag.getCompound(AbstractBogeyBlockEntity.BOGEY_DATA_KEY);
+		return new CarriageBogey(type, upsideDown, data, points.getFirst(), points.getSecond());
 	}
 
 	public BogeyInstance createInstance(MaterialManager materialManager) {
-		return type.createInstance(materialManager, this);
+		return this.getStyle().createInstance(this, type.getSize(), materialManager);
+	}
+
+	public BogeyStyle getStyle() {
+		ResourceLocation location = NBTHelper.readResourceLocation(this.bogeyData, BOGEY_STYLE_KEY);
+		BogeyStyle style = AllBogeyStyles.BOGEY_STYLES.get(location);
+		return style != null ? style : AllBogeyStyles.STANDARD; // just for safety
+	}
+
+	private CompoundTag createBogeyData() {
+		BogeyStyle style = type != null ? type.getDefaultStyle() : AllBogeyStyles.STANDARD;
+		CompoundTag nbt = style.defaultData != null ? style.defaultData : new CompoundTag();
+		NBTHelper.writeResourceLocation(nbt, BOGEY_STYLE_KEY, style.name);
+		nbt.putBoolean(UPSIDE_DOWN_KEY, isUpsideDown());
+		return nbt;
 	}
 
 	void setLeading() {
 		isLeading = true;
 	}
+
+	public boolean isUpsideDown() {
+		return type.canBeUpsideDown() && upsideDown;
+	}
 }

src/main/java/com/simibubi/create/content/logistics/trains/entity/CarriageContraption.java

@@ -22,7 +22,7 @@ import com.simibubi.create.content.contraptions.components.structureMovement.ren
 import com.simibubi.create.content.contraptions.components.structureMovement.train.TrainCargoManager;
 import com.simibubi.create.content.contraptions.processing.burner.BlazeBurnerBlock;
 import com.simibubi.create.content.contraptions.processing.burner.BlazeBurnerBlock.HeatLevel;
-import com.simibubi.create.content.logistics.trains.IBogeyBlock;
+import com.simibubi.create.content.logistics.trains.AbstractBogeyBlock;
 import com.simibubi.create.foundation.utility.Couple;
 import com.simibubi.create.foundation.utility.Iterate;
 import com.simibubi.create.foundation.utility.Lang;
@@ -162,11 +162,13 @@ public class CarriageContraption extends Contraption {
 				.getStep(), toLocalPos(pos));
 		}
 
-		if (blockState.getBlock() instanceof IBogeyBlock) {
+		if (blockState.getBlock() instanceof AbstractBogeyBlock<?> bogey) {
+			boolean captureTE = bogey.captureTileEntityForTrain();
 			bogeys++;
 			if (bogeys == 2)
 				secondBogeyPos = pos;
-			return Pair.of(new StructureBlockInfo(pos, blockState, null), null);
+			return Pair.of(new StructureBlockInfo(pos, blockState, captureTE ? getBlockEntityNBT(world, pos) : null),
+				captureTE ? world.getBlockEntity(pos) : null);
 		}
 
 		if (AllBlocks.BLAZE_BURNER.has(blockState)

src/main/java/com/simibubi/create/content/logistics/trains/entity/CarriageContraptionEntityRenderer.java

@@ -13,6 +13,7 @@ import net.minecraft.client.renderer.culling.Frustum;
 import net.minecraft.client.renderer.entity.EntityRendererProvider;
 import net.minecraft.core.BlockPos;
 import net.minecraft.world.level.LightLayer;
+import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.phys.Vec3;
 
 public class CarriageContraptionEntityRenderer extends ContraptionEntityRenderer<CarriageContraptionEntity> {
@@ -65,8 +66,9 @@ public class CarriageContraptionEntityRenderer extends ContraptionEntityRenderer
 				translateBogey(ms, bogey, bogeySpacing, viewYRot, viewXRot, partialTicks);
 
 				int light = getBogeyLightCoords(entity, bogey, partialTicks);
+
 				bogey.type.render(null, bogey.wheelAngle.getValue(partialTicks), ms, partialTicks, buffers, light,
-					overlay);
+					overlay, bogey.getStyle(), bogey.bogeyData);
 
 				ms.popPose();
 			}
@@ -80,6 +82,8 @@ public class CarriageContraptionEntityRenderer extends ContraptionEntityRenderer
 
 	public static void translateBogey(PoseStack ms, CarriageBogey bogey, int bogeySpacing, float viewYRot,
 		float viewXRot, float partialTicks) {
+		boolean selfUpsideDown = bogey.isUpsideDown();
+		boolean leadingUpsideDown = bogey.carriage.leadingBogey().isUpsideDown();
 		TransformStack.cast(ms)
 			.rotateY(viewYRot + 90)
 			.rotateX(-viewXRot)
@@ -90,7 +94,9 @@ public class CarriageContraptionEntityRenderer extends ContraptionEntityRenderer
 			.rotateY(-viewYRot - 90)
 			.rotateY(bogey.yaw.getValue(partialTicks))
 			.rotateX(bogey.pitch.getValue(partialTicks))
-			.translate(0, .5f, 0);
+			.translate(0, .5f, 0)
+			.rotateZ(selfUpsideDown ? 180 : 0)
+			.translateY(selfUpsideDown != leadingUpsideDown ? 2 : 0);
 	}
 
 	public static int getBogeyLightCoords(CarriageContraptionEntity entity, CarriageBogey bogey, float partialTicks) {

src/main/java/com/simibubi/create/content/logistics/trains/entity/CarriageContraptionInstance.java

@@ -7,6 +7,7 @@ import com.jozufozu.flywheel.util.AnimationTickHolder;
 import com.jozufozu.flywheel.util.transform.TransformStack;
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.mojang.math.Vector3f;
+import com.simibubi.create.content.logistics.trains.BogeyRenderer;
 import com.simibubi.create.foundation.utility.Couple;
 import com.simibubi.create.foundation.utility.Iterate;
 
@@ -31,7 +32,8 @@ public class CarriageContraptionInstance extends EntityInstance<CarriageContrapt
 		if (carriage == null)
 			return;
 
-		bogeys = carriage.bogeys.mapNotNullWithParam(CarriageBogey::createInstance, materialManager);
+		bogeys = carriage.bogeys.mapNotNullWithParam((bogey, manager) ->
+				bogey.getStyle().createInstance(bogey, bogey.type.getSize(), manager), materialManager);
 		updateLight();
 	}
 
@@ -98,8 +100,10 @@ public class CarriageContraptionInstance extends EntityInstance<CarriageContrapt
 			return;
 
 		bogeys.forEach(instance -> {
-			if (instance != null)
-				instance.remove();
+			if (instance != null) {
+				instance.commonRenderer.ifPresent(BogeyRenderer::remove);
+				instance.renderer.remove();
+			}
 		});
 	}
 

src/main/java/com/simibubi/create/content/logistics/trains/entity/CarriageCouplingRenderer.java

@@ -79,7 +79,7 @@ public class CarriageCouplingRenderer {
 
 					float margin = 3 / 16f;
 					double couplingDistance = train.carriageSpacing.get(i) - 2 * margin
-						- bogey1.type.getConnectorAnchorOffset().z - bogey2.type.getConnectorAnchorOffset().z;
+						- bogey1.type.getConnectorAnchorOffset(bogey1.isUpsideDown()).z - bogey2.type.getConnectorAnchorOffset(bogey2.isUpsideDown()).z;
 					int couplingSegments = (int) Math.round(couplingDistance * 4);
 					double stretch = ((anchor2.distanceTo(anchor) - 2 * margin) * 4) / couplingSegments;
 					for (int j = 0; j < couplingSegments; j++) {

src/main/java/com/simibubi/create/content/logistics/trains/entity/CarriageParticles.java

@@ -8,7 +8,6 @@ import com.simibubi.create.foundation.utility.animation.LerpedFloat.Chaser;
 
 import net.minecraft.client.Minecraft;
 import net.minecraft.core.Direction.Axis;
-import net.minecraft.core.particles.ParticleTypes;
 import net.minecraft.util.RandomSource;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.level.Level;
@@ -109,7 +108,7 @@ public class CarriageParticles {
 
 					m = m.add(contraptionMotion.scale(.75f));
 
-					level.addParticle(spark ? ParticleTypes.CRIT : ParticleTypes.POOF, v.x, v.y, v.z, m.x, m.y, m.z);
+					level.addParticle(spark ? bogey.getStyle().contactParticle : bogey.getStyle().smokeParticle, v.x, v.y, v.z, m.x, m.y, m.z);
 				}
 			}
 		}

src/main/java/com/simibubi/create/content/logistics/trains/entity/CarriageSounds.java

@@ -3,6 +3,7 @@ package com.simibubi.create.content.logistics.trains.entity;
 import com.simibubi.create.AllSoundEvents;
 import com.simibubi.create.AllSoundEvents.SoundEntry;
 import com.simibubi.create.content.logistics.trains.entity.Carriage.DimensionalCarriageEntity;
+import com.simibubi.create.foundation.utility.Couple;
 import com.simibubi.create.foundation.utility.animation.LerpedFloat;
 import com.simibubi.create.foundation.utility.animation.LerpedFloat.Chaser;
 
@@ -30,6 +31,9 @@ public class CarriageSounds {
 	LoopingSound sharedWheelSoundSeated;
 	LoopingSound sharedHonkSound;
 
+	Couple<SoundEvent> bogeySounds;
+	SoundEvent closestBogeySound;
+
 	boolean arrived;
 
 	int tick;
@@ -37,6 +41,10 @@ public class CarriageSounds {
 
 	public CarriageSounds(CarriageContraptionEntity entity) {
 		this.entity = entity;
+		bogeySounds = entity.getCarriage().bogeys.map(bogey ->
+				bogey != null && bogey.getStyle() != null ? bogey.getStyle().getSoundType()
+					: AllSoundEvents.TRAIN2.getMainEvent());
+		closestBogeySound = bogeySounds.getFirst();
 		distanceFactor = LerpedFloat.linear();
 		speedFactor = LerpedFloat.linear();
 		approachFactor = LerpedFloat.linear();
@@ -80,6 +88,15 @@ public class CarriageSounds {
 		double distance1 = toBogey1.length();
 		double distance2 = toBogey2.length();
 
+		Couple<CarriageBogey> bogeys = entity.getCarriage().bogeys;
+		CarriageBogey relevantBogey = bogeys.get(distance1 > distance2);
+		if (relevantBogey == null) {
+			relevantBogey = bogeys.getFirst();
+		}
+		if (relevantBogey != null) {
+			closestBogeySound = relevantBogey.getStyle().getSoundType();
+		}
+
 		Vec3 toCarriage = distance1 > distance2 ? toBogey2 : toBogey1;
 		double distance = Math.min(distance1, distance2);
 		Vec3 soundLocation = cam.add(toCarriage);
@@ -98,7 +115,7 @@ public class CarriageSounds {
 		seatCrossfade.tickChaser();
 
 		minecartEsqueSound = playIfMissing(mc, minecartEsqueSound, AllSoundEvents.TRAIN.getMainEvent());
-		sharedWheelSound = playIfMissing(mc, sharedWheelSound, AllSoundEvents.TRAIN2.getMainEvent());
+		sharedWheelSound = playIfMissing(mc, sharedWheelSound, closestBogeySound);
 		sharedWheelSoundSeated = playIfMissing(mc, sharedWheelSoundSeated, AllSoundEvents.TRAIN3.getMainEvent());
 
 		float volume = Math.min(Math.min(speedFactor.getValue(), distanceFactor.getValue() / 100),
@@ -206,7 +223,7 @@ public class CarriageSounds {
 	public void submitSharedSoundVolume(Vec3 location, float volume) {
 		Minecraft mc = Minecraft.getInstance();
 		minecartEsqueSound = playIfMissing(mc, minecartEsqueSound, AllSoundEvents.TRAIN.getMainEvent());
-		sharedWheelSound = playIfMissing(mc, sharedWheelSound, AllSoundEvents.TRAIN2.getMainEvent());
+		sharedWheelSound = playIfMissing(mc, sharedWheelSound, closestBogeySound);
 		sharedWheelSoundSeated = playIfMissing(mc, sharedWheelSoundSeated, AllSoundEvents.TRAIN3.getMainEvent());
 
 		boolean approach = true;

src/main/java/com/simibubi/create/content/logistics/trains/entity/Navigation.java

@@ -14,6 +14,8 @@ import java.util.UUID;
 
 import javax.annotation.Nullable;
 
+import com.simibubi.create.content.logistics.trains.TrackMaterial;
+
 import org.apache.commons.lang3.mutable.MutableDouble;
 import org.apache.commons.lang3.mutable.MutableObject;
 
@@ -555,6 +557,21 @@ public class Navigation {
 		if (graph == null)
 			return;
 
+		// Cache the list of track types that the train can travel on
+		Set<TrackMaterial.TrackType> validTypes = new HashSet<>();
+		for (int i = 0; i < train.carriages.size(); i++) {
+			Carriage carriage = train.carriages.get(i);
+			if (i == 0) {
+				validTypes.addAll(carriage.leadingBogey().type.getValidPathfindingTypes(carriage.leadingBogey().getStyle()));
+			} else {
+				validTypes.retainAll(carriage.leadingBogey().type.getValidPathfindingTypes(carriage.leadingBogey().getStyle()));
+			}
+			if (carriage.isOnTwoBogeys())
+				validTypes.retainAll(carriage.trailingBogey().type.getValidPathfindingTypes(carriage.trailingBogey().getStyle()));
+		}
+		if (validTypes.isEmpty()) // if there are no valid track types, a route can't be found
+			return;
+
 		Map<TrackEdge, Integer> penalties = new IdentityHashMap<>();
 		boolean costRelevant = maxCost >= 0;
 		if (costRelevant) {
@@ -674,6 +691,8 @@ public class Navigation {
 				continue;
 
 			for (Entry<TrackNode, TrackEdge> target : validTargets) {
+				if (!validTypes.contains(target.getValue().getTrackMaterial().trackType))
+					continue;
 				TrackNode newNode = target.getKey();
 				TrackEdge newEdge = target.getValue();
 				double newDistance = newEdge.getLength() + distance;

src/main/java/com/simibubi/create/content/logistics/trains/entity/Train.java

@@ -42,6 +42,7 @@ import com.simibubi.create.content.logistics.trains.management.edgePoint.station
 import com.simibubi.create.content.logistics.trains.management.edgePoint.station.StationBlockEntity;
 import com.simibubi.create.content.logistics.trains.management.schedule.ScheduleRuntime;
 import com.simibubi.create.content.logistics.trains.management.schedule.ScheduleRuntime.State;
+import com.simibubi.create.content.logistics.trains.track.AbstractBogeyBlockEntity;
 import com.simibubi.create.foundation.advancement.AllAdvancements;
 import com.simibubi.create.foundation.config.AllConfigs;
 import com.simibubi.create.foundation.networking.AllPackets;
@@ -66,6 +67,7 @@ import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.Explosion.BlockInteraction;
 import net.minecraft.world.level.Level;
+import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.phys.Vec3;
 import net.minecraftforge.common.ForgeHooks;
 import net.minecraftforge.fluids.FluidStack;
@@ -86,6 +88,7 @@ public class Train {
 	public boolean honk = false;
 
 	public UUID id;
+	@Nullable
 	public UUID owner;
 	public TrackGraph graph;
 	public Navigation navigation;
@@ -313,7 +316,13 @@ public class Train {
 						if (leadingAnchor == null || trailingAnchor == null)
 							continue;
 
-						total += leadingAnchor.distanceTo(trailingAnchor);
+						double distanceTo = leadingAnchor.distanceToSqr(trailingAnchor);
+						if (carriage.leadingBogey().isUpsideDown() != previousCarriage.trailingBogey().isUpsideDown()) {
+							distanceTo = Math.sqrt(distanceTo - 4);
+						} else {
+							distanceTo = Math.sqrt(distanceTo);
+						}
+						total += distanceTo;
 						entries++;
 					}
 				}
@@ -375,7 +384,7 @@ public class Train {
 			int carriageType = first ? last ? Carriage.BOTH : Carriage.FIRST : last ? Carriage.LAST : Carriage.MIDDLE;
 			double actualDistance =
 				carriage.travel(level, graph, distance + totalStress, toFollowForward, toFollowBackward, carriageType);
-			blocked |= carriage.blocked;
+			blocked |= carriage.blocked || carriage.isOnIncompatibleTrack();
 
 			boolean onTwoBogeys = carriage.isOnTwoBogeys();
 			maxStress = Math.max(maxStress, onTwoBogeys ? carriage.bogeySpacing - carriage.getAnchorDiff() : 0);
@@ -722,9 +731,20 @@ public class Train {
 			if (entity.getContraption()instanceof CarriageContraption cc)
 				cc.returnStorageForDisassembly(carriage.storage);
 			entity.setPos(Vec3
-				.atLowerCornerOf(pos.relative(assemblyDirection, backwards ? offset + carriage.bogeySpacing : offset)));
+				.atLowerCornerOf(pos.relative(assemblyDirection, backwards ? offset + carriage.bogeySpacing : offset).below(carriage.leadingBogey().isUpsideDown() ? 2 : 0)));
 			entity.disassemble();
 
+			for (CarriageBogey bogey : carriage.bogeys) {
+				if (bogey == null)
+					continue;
+				Vec3 bogeyPosition = bogey.getAnchorPosition();
+				if (bogeyPosition == null) continue;
+				BlockEntity be = level.getBlockEntity(new BlockPos(bogeyPosition));
+				if (!(be instanceof AbstractBogeyBlockEntity sbte))
+					continue;
+				sbte.setBogeyData(bogey.bogeyData);
+			}
+
 			offset += carriage.bogeySpacing;
 
 			if (i < carriageSpacing.size())
@@ -944,7 +964,7 @@ public class Train {
 		occupiedObservers.clear();
 		cachedObserverFiltering.clear();
 
-		TravellingPoint signalScout = new TravellingPoint(node1, node2, edge, position);
+		TravellingPoint signalScout = new TravellingPoint(node1, node2, edge, position, false);
 		Map<UUID, SignalEdgeGroup> allGroups = Create.RAILWAYS.signalEdgeGroups;
 		MutableObject<UUID> prevGroup = new MutableObject<>(null);
 
@@ -1087,7 +1107,8 @@ public class Train {
 	public CompoundTag write(DimensionPalette dimensions) {
 		CompoundTag tag = new CompoundTag();
 		tag.putUUID("Id", id);
-		tag.putUUID("Owner", owner);
+		if (owner != null)
+			tag.putUUID("Owner", owner);
 		if (graph != null)
 			tag.putUUID("Graph", graph.id);
 		tag.put("Carriages", NBTHelper.writeCompoundList(carriages, c -> c.write(dimensions)));
@@ -1133,7 +1154,7 @@ public class Train {
 
 	public static Train read(CompoundTag tag, Map<UUID, TrackGraph> trackNetworks, DimensionPalette dimensions) {
 		UUID id = tag.getUUID("Id");
-		UUID owner = tag.getUUID("Owner");
+		UUID owner = tag.contains("Owner") ? tag.getUUID("Owner") : null;
 		UUID graphId = tag.contains("Graph") ? tag.getUUID("Graph") : null;
 		TrackGraph graph = graphId == null ? null : trackNetworks.get(graphId);
 		List<Carriage> carriages = new ArrayList<>();