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

.gitignore

@@ -42,4 +42,5 @@ local.properties
 # PDT-specific
 .buildpath
 
-.DS_Store
+.DS_Store
+/libs/

build.gradle

@@ -135,6 +135,9 @@ repositories {
             includeGroup "maven.modrinth"
         }
     }
+    flatDir {
+        dirs 'libs'
+    }
 }
 
 dependencies {
@@ -169,6 +172,7 @@ 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

src/generated/resources/.cache/cache

@@ -582,7 +582,7 @@ bf2b0310500213ff853c748c236eb5d01f61658e assets/create/blockstates/yellow_toolbo
 7f39521b211441f5c3e06d60c5978cebe16cacfb assets/create/blockstates/zinc_block.json
 b7181bcd8182b2f17088e5aa881f374c9c65470c assets/create/blockstates/zinc_ore.json
 fcaad84ac4ebdb1e6d9301b77245ce855dbde503 assets/create/lang/en_ud.json
-fc2c57b8a2e8f364a2e74e8f64cffcb8c74b35f1 assets/create/lang/en_us.json
+8c536f441c4515d44faf340cefb2c0247b49033a assets/create/lang/en_us.json
 487a511a01b2a4531fb672f917922312db78f958 assets/create/models/block/acacia_window.json
 b48060cba1a382f373a05bf0039054053eccf076 assets/create/models/block/acacia_window_pane_noside.json
 3066db1bf03cffa1a9c7fbacf47ae586632f4eb3 assets/create/models/block/acacia_window_pane_noside_alt.json
@@ -5316,6 +5316,7 @@ d99d5c67bdffff60789a19bd51a5c5267c75e0a4 data/create/tags/blocks/casing.json
 bc203f09dd7f48965d146d0bd035fb904cb75e7d data/create/tags/blocks/copycat_allow.json
 d4a3b66f4b763b9a2dcdea74b7273f0ae85cb335 data/create/tags/blocks/copycat_deny.json
 73c2c85233075d2854d209b71ff2160308a7919c data/create/tags/blocks/fan_transparent.json
+ad8fa04f7bbbafd70d0ce158af78a35e899301e2 data/create/tags/blocks/girdable_tracks.json
 5445d23a146003f0aa8de86643c4315d4afd4ef6 data/create/tags/blocks/movable_empty_collider.json
 6e5d3b2123fbb00e7f439c091623619502551bca data/create/tags/blocks/non_movable.json
 10781e8cfcbb3486327aace3aa00e437fb44b331 data/create/tags/blocks/ore_override_stone.json
@@ -5323,6 +5324,7 @@ d4a3b66f4b763b9a2dcdea74b7273f0ae85cb335 data/create/tags/blocks/copycat_deny.js
 af314e7ec90377e69387523a4c9af19e0056734e data/create/tags/blocks/safe_nbt.json
 6cdeeac1689f7b5bfd9bc40b462143d8eaf3ad0b data/create/tags/blocks/seats.json
 d063e12c9ef75f39518c6d129ea35d833464d547 data/create/tags/blocks/toolboxes.json
+ad8fa04f7bbbafd70d0ce158af78a35e899301e2 data/create/tags/blocks/tracks.json
 9460e92c8e483446318b849abe7e6f52dcd4a269 data/create/tags/blocks/tree_attachments.json
 50936b211d94167a35ec78c89954082a336b6269 data/create/tags/blocks/valve_handles.json
 eac71740fb12bdb38b5dfaa2268613d7ba82b809 data/create/tags/blocks/windmill_sails.json

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

@@ -1852,6 +1852,12 @@
 	"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  [------------------------<-",
 

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/tracks.json

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

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

@@ -851,7 +851,7 @@ public class AllBlockEntityTypes {
 		.renderer(() -> StationRenderer::new)
 		.validBlocks(AllBlocks.TRACK_STATION)
 		.register();
-	
+
 	public static final BlockEntityEntry<SlidingDoorBlockEntity> SLIDING_DOOR =
 		REGISTRATE.blockEntity("sliding_door", SlidingDoorBlockEntity::new)
 			.renderer(() -> SlidingDoorRenderer::new)
@@ -859,10 +859,10 @@ public class AllBlockEntityTypes {
 				AllBlocks.BRASS_DOOR, AllBlocks.COPPER_DOOR)
 			.register();
 
-	public static final BlockEntityEntry<CopycatBlockEntity> COPYCAT = REGISTRATE
+	public static final BlockEntityEntry<CopycatBlockEntity> COPYCAT =
-		.blockEntity("copycat", CopycatBlockEntity::new)
+		REGISTRATE.blockEntity("copycat", CopycatBlockEntity::new)
-		.validBlocks(AllBlocks.COPYCAT_PANEL, AllBlocks.COPYCAT_STEP)
+			.validBlocks(AllBlocks.COPYCAT_PANEL, AllBlocks.COPYCAT_STEP)
-		.register();
+			.register();
 
 	public static final BlockEntityEntry<FlapDisplayBlockEntity> FLAP_DISPLAY = REGISTRATE
 		.blockEntity("flap_display", FlapDisplayBlockEntity::new)

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

@@ -230,6 +230,9 @@ 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.BogeyRenderer;
+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 +721,7 @@ 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 +941,7 @@ 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 +1544,7 @@ 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 +1555,8 @@ 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 +1625,13 @@ 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();

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/AllTags.java

@@ -81,6 +81,8 @@ public class AllTags {
 		SAFE_NBT,
 		SEATS,
 		TOOLBOXES,
+		TRACKS,
+		GIRDABLE_TRACKS,
 		TREE_ATTACHMENTS,
 		VALVE_HANDLES,
 		WINDMILL_SAILS,
@@ -132,6 +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;
@@ -127,6 +129,8 @@ public class Create {
 		AllFeatures.register(modEventBus);
 		AllPlacementModifiers.register(modEventBus);
 		BuiltinRegistration.register(modEventBus);
+		BogeySizes.init();
+		AllBogeyStyles.register();
 
 		AllConfigs.register(modLoadingContext);
 

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.Create;
 import com.simibubi.create.content.contraptions.components.crafter.MechanicalCraftingRecipe;
 import com.simibubi.create.content.contraptions.components.press.PressingBehaviour.Mode;
@@ -69,7 +69,7 @@ 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/curiosities/girder/GirderBlock.java

@@ -8,6 +8,7 @@ import java.util.Random;
 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;
@@ -224,7 +225,7 @@ 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.getTrackBlock().get(), Math.min(64, tracks)), info.hasRequiredTracks));
 			tracks -= 64;
 		}
 

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 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.AbstractBogeyTileEntity;
+import com.simibubi.create.content.schematics.ISpecialBlockItemRequirement;
+import com.simibubi.create.content.schematics.ItemRequirement;
+import com.simibubi.create.foundation.block.ITE;
+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;
+
+import org.jetbrains.annotations.NotNull;
+
+public abstract class AbstractBogeyBlock<T extends AbstractBogeyTileEntity> extends Block implements ITE<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 AbstractBogeyTileEntity 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 AbstractBogeyTileEntity 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 AbstractBogeyTileEntity 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(AbstractBogeyTileEntity 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(AbstractBogeyTileEntity 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 AbstractBogeyTileEntity 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 =
+		BezierConnection bezierConnection = new BezierConnection(tePositions.swap(), starts.swap(), axes.swap(),
-			new BezierConnection(tePositions.swap(), starts.swap(), axes.swap(), normals.swap(), !primary, hasGirder);
+			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().getTrackBlock().get(), 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, new ItemStack(getMaterial().getTrackBlock().get()));
 			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().getTrackBlock().get().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 AbstractBogeyBlockEntity sbte) {
-		if (be instanceof StandardBogeyBlockEntity sbte)
+			float angle = sbte.getVirtualAngle(partialTicks);
-			angle = sbte.getVirtualAngle(partialTicks);
+			if (blockState.getBlock() instanceof AbstractBogeyBlock<?> bogey)
-		if (blockState.getBlock()instanceof IBogeyBlock bogey) 
+				bogey.render(blockState, angle, ms, partialTicks, buffer, light, overlay, sbte.getStyle(), sbte.getBogeyData());
-			bogey.render(blockState, angle, ms, partialTicks, buffer, light, overlay);
+		}
 	}
 
 }

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 +1,137 @@
+package com.simibubi.create.content.logistics.trains;
+
+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;
+
+import org.jetbrains.annotations.Nullable;
+
+import static com.simibubi.create.AllBlockPartials.LARGE_BOGEY_WHEELS;
+import static com.simibubi.create.AllBlockPartials.BOGEY_PIN;
+import static com.simibubi.create.AllBlockPartials.BOGEY_DRIVE;
+import static com.simibubi.create.AllBlockPartials.BOGEY_PISTON;
+import static com.simibubi.create.AllBlockPartials.SMALL_BOGEY_WHEELS;
+import static com.simibubi.create.AllBlockPartials.BOGEY_FRAME;
+
+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);
+		TrackMaterial material = bezier ? turn.getMaterial() : location2.materialA;
-		TrackEdge edge2 = new TrackEdge(node2, node1, bezier ? turn.secondary() : null);
+		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) {
+		for (Pair<Pair<Couple<Integer>, TrackMaterial>, BezierConnection> pair : addedEdges) {
-			Couple<TrackNode> nodes = pair.getFirst()
+			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)
@@ -268,4 +269,4 @@ public class TrackGraphSyncPacket extends TrackGraphPacket {
 		updatedEdgeData.put(key, Pair.of(groupType, list));
 	}
 
-}
+}

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

@@ -20,6 +20,7 @@ import com.simibubi.create.foundation.utility.outliner.Outliner;
 
 import net.minecraft.client.Minecraft;
 import net.minecraft.world.entity.Entity;
+import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.phys.AABB;
 import net.minecraft.world.phys.Vec3;
 
@@ -213,7 +214,7 @@ 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 +267,17 @@ 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,
+							new ItemStack(edge.getTrackMaterial().trackBlock.get()
+								.get()));
+						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 +289,17 @@ 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,
+						new ItemStack(edge.getTrackMaterial().trackBlock.get()
+							.get()));
+					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 +1,144 @@
+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 com.jozufozu.flywheel.core.PartialModel;
+import com.simibubi.create.AllBlockPartials;
+import com.simibubi.create.AllBlocks;
+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.crafting.Ingredient;
+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;
+
+	@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 = id;
+		this.langName = langName;
+		this.trackBlock = trackBlock;
+		this.sleeperIngredient = sleeperIngredient;
+		this.railsIngredient = railsIngredient;
+		this.particle = particle;
+		this.trackType = trackType;
+		DistExecutor.unsafeRunWhenOn(Dist.CLIENT, () -> () -> this.modelHolder = modelHolder.get().get());
+		ALL.put(this.id, this);
+	}
+
+	public NonNullSupplier<? extends TrackBlock> getTrackBlock() {
+		return this.trackBlock.get();
+	}
+
+	public TrackBlock createBlock(BlockBehaviour.Properties properties) {
+		return this.trackType.factory.create(properties, this);
+	}
+
+	public boolean isCustom(String modId) {
+		return this.id.getNamespace().equals(modId);
+	}
+
+	public static TrackMaterial[] allCustom(String modid) {
+		return ALL.values().stream().filter(tm -> tm.isCustom(modid)).toArray(TrackMaterial[]::new);
+	}
+
+	public static List<NonNullSupplier<? extends TrackBlock>> allCustomBlocks(String modid) {
+		List<NonNullSupplier<? extends TrackBlock>> list = new ArrayList<>();
+		for (TrackMaterial material : allCustom(modid)) {
+			list.add(material.getTrackBlock());
+		}
+		return list;
+	}
+
+	public static List<NonNullSupplier<? extends TrackBlock>> allBlocks() {
+		List<NonNullSupplier<? extends TrackBlock>> list = new ArrayList<>();
+		for (TrackMaterial material : ALL.values()) {
+			list.add(material.getTrackBlock());
+		}
+		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 (id != null)
+			for (TrackMaterial material : ALL.values())
+				if (material.id.equals(id))
+					return material;
+
+		Create.LOGGER.error("Failed to locate serialized track material: " + serializedName);
+		return ANDESITE;
+	}
+
+	public static class TrackType {
+		@FunctionalInterface
+		protected 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(AllBlockPartials.TRACK_TIE, AllBlockPartials.TRACK_SEGMENT_LEFT, AllBlockPartials.TRACK_SEGMENT_RIGHT);
+	}
+}

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

@@ -0,0 +1,133 @@
+package com.simibubi.create.content.logistics.trains;
+
+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;
+
+import java.util.function.Supplier;
+import java.util.stream.Stream;
+
+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;
+
+	@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 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);
+	}
+}

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_) {
+	public TrackNodeLocation(double x, double y, double z) {
-		super(Math.round(p_121865_ * 2), Math.floor(p_121866_) * 2, Math.round(p_121867_ * 2));
+		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_) {
+		public DiscoveredLocation(Level level, double x, double y, double z) {
-			super(p_121865_, p_121866_, p_121867_);
+			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

@@ -234,10 +234,12 @@ public class TrackPropagator {
 			return true;
 		if (location.shouldForceNode())
 			return true;
+		if (location.differentMaterials())
+			return true;
 		if (next.stream()
 			.anyMatch(DiscoveredLocation::shouldForceNode))
 			return true;
-		
+
 		Vec3 direction = location.direction;
 		if (direction != null && next.stream()
 			.anyMatch(dl -> dl.notInLineWith(direction)))

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.content.logistics.trains.BogeyRenderer;
-import com.simibubi.create.AllPartialModels;
+import com.simibubi.create.content.logistics.trains.BogeySizes;
-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.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];
+		this.renderer = this.style.createRendererInstance(this.size);
-
+		this.commonRenderer = this.style.getNewCommonRenderInstance();
-		materialManager.defaultSolid()
-			.material(Materials.TRANSFORMED)
-			.getModel(AllBlocks.SHAFT.getDefaultState()
-				.setValue(ShaftBlock.AXIS, Direction.Axis.Z))
-			.createInstances(shafts);
 
+		commonRenderer.ifPresent(bogeyRenderer -> bogeyRenderer.initialiseContraptionModelData(materialManager));
+		renderer.initialiseContraptionModelData(materialManager);
 	}
 
-	public void remove() {
+	void hiddenFrame() {
-		for (ModelData shaft : shafts)
-			shaft.delete();
-	}
-
-	public void hiddenFrame() {
 		beginFrame(0, null);
 	}
-	
+
 	public void beginFrame(float wheelAngle, PoseStack ms) {
 		if (ms == null) {
-			for (int i : Iterate.zeroAndOne)
+			renderer.emptyTransforms();
-				shafts[i].setEmptyTransform();
 			return;
 		}
 
-		for (int i : Iterate.zeroAndOne)
+		commonRenderer.ifPresent(bogeyRenderer -> bogeyRenderer.render(bogey.bogeyData, wheelAngle, ms));
-			shafts[i].setTransform(ms)
+		renderer.render(bogey.bogeyData, wheelAngle, ms);
-				.translate(-.5f, .25f, i * -1)
-				.centre()
-				.rotateZ(wheelAngle)
-				.unCentre();
 	}
 
 	public void updateLight(BlockAndTintGetter world, CarriageContraptionEntity entity) {
 		var lightPos = new BlockPos(getLightPos(entity));
-
+		commonRenderer
-		updateLight(world.getBrightness(LightLayer.BLOCK, lightPos), world.getBrightness(LightLayer.SKY, lightPos));
+			.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() != null ? bogey.getAnchorPosition()
-			return bogey.getAnchorPosition();
+			: entity.getLightProbePosition(AnimationTickHolder.getPartialTicks());
-		} else {
-			return entity.getLightProbePosition(AnimationTickHolder.getPartialTicks());
-		}
 	}
 
-	public void updateLight(int blockLight, int skyLight) {
+	@FunctionalInterface
-		for (ModelData shaft : shafts) {
+	interface BogeyInstanceFactory {
-			shaft.setBlockLight(blockLight)
+		BogeyInstance create(CarriageBogey bogey, BogeySizes.BogeySize size, MaterialManager materialManager);
-				.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();
-		}
 	}
 }

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;
 	}
@@ -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));
+						leading ? leadingWheelSpacing / 2 : bogeySpacing + trailingWheelSpacing / 2,
-				dce.rotationAnchors.setSecond(dimension.equals(trailingBogeyDim) ? trailingBogey.getAnchorPosition()
+						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
+					dce.rotationAnchors.setFirst(leadingBogey.points.getFirst() == point
-						.setFirst(leadingBogey.points.getFirst() == point ? point.getPosition(train.graph)
+						? point.getPosition(train.graph)
-							: pivoted(dce, dimension, point, leadingWheelSpacing));
+						: pivoted(dce, dimension, point, leadingWheelSpacing, leadingUpsideDown, trailingUpsideDown));
-					dce.rotationAnchors
+					dce.rotationAnchors.setSecond(leadingBogey.points.getSecond() == point
-						.setSecond(leadingBogey.points.getSecond() == point ? point.getPosition(train.graph)
+						? point.getPosition(train.graph)
-							: pivoted(dce, dimension, point, leadingWheelSpacing));
+						: 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);
 	}
 

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());
+		CompoundTag data = tag.getCompound(AbstractBogeyBlockEntity.BOGEY_DATA_KEY);
-		return carriageBogey;
+		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;
@@ -71,7 +71,7 @@ public class CarriageContraption extends Contraption {
 	// render
 	public int portalCutoffMin;
 	public int portalCutoffMax;
-	
+
 	static final IItemHandlerModifiable fallbackItems = new ItemStackHandler();
 	static final IFluidHandler fallbackFluids = new FluidTank(0);
 
@@ -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 ? getTileEntityNBT(world, pos) : null),
+				captureTE ? world.getBlockEntity(pos) : null);
 		}
 
 		if (AllBlocks.BLAZE_BURNER.has(blockState)
@@ -235,7 +237,7 @@ public class CarriageContraption extends Contraption {
 	protected MountedStorageManager getStorageForSpawnPacket() {
 		return storageProxy;
 	}
-	
+
 	@Override
 	protected ContraptionType getType() {
 		return ContraptionType.CARRIAGE;

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> {
@@ -37,7 +38,7 @@ public class CarriageContraptionEntityRenderer extends ContraptionEntityRenderer
 		MultiBufferSource buffers, int overlay) {
 		if (!entity.validForRender || entity.firstPositionUpdate)
 			return;
-		
+
 		super.render(entity, yaw, partialTicks, ms, buffers, overlay);
 
 		Carriage carriage = entity.getCarriage();
@@ -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)
+			if (instance != null) {
-				instance.remove();
+				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

@@ -10,7 +10,6 @@ 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.world.entity.Entity;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.phys.Vec3;
@@ -110,7 +109,7 @@ 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;
 
@@ -29,6 +30,9 @@ public class CarriageSounds {
 	LoopingSound sharedWheelSoundSeated;
 	LoopingSound sharedHonkSound;
 
+	Couple<SoundEvent> bogeySounds;
+	SoundEvent closestBogeySound;
+
 	boolean arrived;
 
 	int tick;
@@ -36,6 +40,10 @@ 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();
@@ -79,6 +87,15 @@ 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);
@@ -97,7 +114,7 @@ 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),
@@ -205,7 +222,7 @@ 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

@@ -17,6 +17,10 @@ import java.util.function.Consumer;
 
 import javax.annotation.Nullable;
 
+import com.simibubi.create.content.logistics.trains.track.AbstractBogeyTileEntity;
+
+import net.minecraft.world.level.block.entity.BlockEntity;
+
 import org.apache.commons.lang3.mutable.MutableBoolean;
 import org.apache.commons.lang3.mutable.MutableObject;
 
@@ -124,7 +128,7 @@ public class Train {
 	public int honkPitch;
 
 	public float accumulatedSteamRelease;
-	
+
 	int tickOffset;
 	double[] stress;
 
@@ -277,7 +281,7 @@ public class Train {
 		int carriageCount = carriages.size();
 		boolean stalled = false;
 		double maxStress = 0;
-		
+
 		if (carriageWaitingForChunks != -1)
 			distance = 0;
 
@@ -313,11 +317,17 @@ 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++;
 					}
 				}
-				
+
 
 				if (entries > 0)
 					actual = total / entries;
@@ -369,13 +379,13 @@ public class Train {
 					.getLeadingPoint();
 
 			double totalStress = derailed ? 0 : leadingStress + trailingStress;
-			
+
 			boolean first = i == 0;
 			boolean last = i == carriageCount - 1;
 			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 +732,20 @@ 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 AbstractBogeyTileEntity sbte))
+					continue;
+				sbte.setBogeyData(bogey.bogeyData);
+			}
+
 			offset += carriage.bogeySpacing;
 
 			if (i < carriageSpacing.size())
@@ -944,7 +965,7 @@ 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);
 

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

@@ -6,12 +6,13 @@ import java.util.Map;
 import java.util.UUID;
 
 import com.simibubi.create.CreateClient;
-import com.simibubi.create.content.logistics.trains.IBogeyBlock;
+import com.simibubi.create.content.logistics.trains.AbstractBogeyBlock;
 import com.simibubi.create.foundation.networking.SimplePacketBase;
 import com.simibubi.create.foundation.utility.Couple;
 import com.simibubi.create.foundation.utility.Iterate;
 import com.simibubi.create.foundation.utility.RegisteredObjects;
 
+import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.network.chat.Component;
 import net.minecraft.world.level.block.Block;
@@ -43,11 +44,13 @@ public class TrainPacket extends SimplePacketBase {
 		int size = buffer.readVarInt();
 		for (int i = 0; i < size; i++) {
 			Couple<CarriageBogey> bogies = Couple.create(null, null);
-			for (boolean first : Iterate.trueAndFalse) {
+			for (boolean isFirst : Iterate.trueAndFalse) {
-				if (!first && !buffer.readBoolean())
+				if (!isFirst && !buffer.readBoolean())
 					continue;
-				IBogeyBlock type = (IBogeyBlock) ForgeRegistries.BLOCKS.getValue(buffer.readResourceLocation());
+				AbstractBogeyBlock<?> type = (AbstractBogeyBlock<?>) ForgeRegistries.BLOCKS.getValue(buffer.readResourceLocation());
-				bogies.set(first, new CarriageBogey(type, new TravellingPoint(), new TravellingPoint()));
+				boolean upsideDown = buffer.readBoolean();
+				CompoundTag data = buffer.readNbt();
+				bogies.set(isFirst, new CarriageBogey(type, upsideDown, data, new TravellingPoint(), new TravellingPoint()));
 			}
 			int spacing = buffer.readVarInt();
 			carriages.add(new Carriage(bogies.getFirst(), bogies.getSecond(), spacing));
@@ -85,6 +88,8 @@ public class TrainPacket extends SimplePacketBase {
 				}
 				CarriageBogey bogey = carriage.bogeys.get(first);
 				buffer.writeResourceLocation(RegisteredObjects.getKeyOrThrow((Block) bogey.type));
+				buffer.writeBoolean(bogey.upsideDown);
+				buffer.writeNbt(bogey.bogeyData);
 			}
 			buffer.writeVarInt(carriage.bogeySpacing);
 		}

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

@@ -115,10 +115,13 @@ public class TrainRelocator {
 		BlockPos blockPos = blockhit.getBlockPos();
 		BezierTrackPointLocation hoveredBezier = null;
 
+		boolean upsideDown = relocating.carriages.get(0).leadingBogey().isUpsideDown();
+		Vec3 offset = upsideDown ? new Vec3(0, -0.5, 0) : Vec3.ZERO;
+
 		if (simulate && toVisualise != null && lastHoveredResult != null) {
 			for (int i = 0; i < toVisualise.size() - 1; i++) {
-				Vec3 vec1 = toVisualise.get(i);
+				Vec3 vec1 = toVisualise.get(i).add(offset);
-				Vec3 vec2 = toVisualise.get(i + 1);
+				Vec3 vec2 = toVisualise.get(i + 1).add(offset);
 				CreateClient.OUTLINER.showLine(Pair.of(relocating, i), vec1.add(0, -.925f, 0), vec2.add(0, -.925f, 0))
 					.colored(lastHoveredResult || i != toVisualise.size() - 2 ? 0x95CD41 : 0xEA5C2B)
 					.disableLineNormals()
@@ -150,7 +153,7 @@ public class TrainRelocator {
 		boolean direction = bezierSelection != null && lookAngle.dot(bezierSelection.direction()) < 0;
 		boolean result = relocate(relocating, mc.level, blockPos, hoveredBezier, direction, lookAngle, true);
 		if (!simulate && result) {
-			relocating.carriages.forEach(c -> c.forEachPresentEntity(e -> e.nonDamageTicks = 10));			
+			relocating.carriages.forEach(c -> c.forEachPresentEntity(e -> e.nonDamageTicks = 10));
 			AllPackets.getChannel().sendToServer(new TrainRelocationPacket(relocatingTrain, blockPos, hoveredBezier,
 				direction, lookAngle, relocatingEntityId));
 		}
@@ -182,7 +185,7 @@ public class TrainRelocator {
 		if (edge == null)
 			return false;
 
-		TravellingPoint probe = new TravellingPoint(node1, node2, edge, graphLocation.position);
+		TravellingPoint probe = new TravellingPoint(node1, node2, edge, graphLocation.position, false);
 		IEdgePointListener ignoreSignals = probe.ignoreEdgePoints();
 		ITurnListener ignoreTurns = probe.ignoreTurns();
 		List<Pair<Couple<TrackNode>, Double>> recordedLocations = new ArrayList<>();

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

@@ -38,6 +38,7 @@ public class TravellingPoint {
 	public TrackEdge edge;
 	public double position;
 	public boolean blocked;
+	public boolean upsideDown;
 
 	public static enum SteerDirection {
 		NONE(0), LEFT(-1), RIGHT(1);
@@ -64,11 +65,12 @@ public class TravellingPoint {
 
 	public TravellingPoint() {}
 
-	public TravellingPoint(TrackNode node1, TrackNode node2, TrackEdge edge, double position) {
+	public TravellingPoint(TrackNode node1, TrackNode node2, TrackEdge edge, double position, boolean upsideDown) {
 		this.node1 = node1;
 		this.node2 = node2;
 		this.edge = edge;
 		this.position = position;
+		this.upsideDown = upsideDown;
 	}
 
 	public IEdgePointListener ignoreEdgePoints() {
@@ -395,13 +397,18 @@ public class TravellingPoint {
 	}
 
 	public Vec3 getPosition(@Nullable TrackGraph trackGraph) {
-		return getPositionWithOffset(trackGraph, 0);
+		return getPosition(trackGraph, false);
 	}
 
-	public Vec3 getPositionWithOffset(@Nullable TrackGraph trackGraph, double offset) {
+	public Vec3 getPosition(@Nullable TrackGraph trackGraph, boolean flipUpsideDown) {
+		return getPositionWithOffset(trackGraph, 0, flipUpsideDown);
+	}
+
+	public Vec3 getPositionWithOffset(@Nullable TrackGraph trackGraph, double offset, boolean flipUpsideDown) {
 		double t = (position + offset) / edge.getLength();
 		return edge.getPosition(trackGraph, t)
-			.add(edge.getNormal(trackGraph, t));
+			.add(edge.getNormal(trackGraph, t)
+				.scale(upsideDown ^ flipUpsideDown ? -1 : 1));
 	}
 
 	public void migrateTo(List<GraphLocation> locations) {
@@ -422,12 +429,13 @@ public class TravellingPoint {
 		tag.put("Nodes", nodes.map(TrackNode::getLocation)
 			.serializeEach(loc -> loc.write(dimensions)));
 		tag.putDouble("Position", position);
+		tag.putBoolean("UpsideDown", upsideDown);
 		return tag;
 	}
 
 	public static TravellingPoint read(CompoundTag tag, TrackGraph graph, DimensionPalette dimensions) {
 		if (graph == null)
-			return new TravellingPoint(null, null, null, 0);
+			return new TravellingPoint(null, null, null, 0, false);
 
 		Couple<TrackNode> locs = tag.contains("Nodes")
 			? Couple.deserializeEach(tag.getList("Nodes", Tag.TAG_COMPOUND), c -> TrackNodeLocation.read(c, dimensions))
@@ -435,11 +443,11 @@ public class TravellingPoint {
 			: Couple.create(null, null);
 
 		if (locs.either(Objects::isNull))
-			return new TravellingPoint(null, null, null, 0);
+			return new TravellingPoint(null, null, null, 0, false);
 
 		double position = tag.getDouble("Position");
 		return new TravellingPoint(locs.getFirst(), locs.getSecond(), graph.getConnectionsFrom(locs.getFirst())
-			.get(locs.getSecond()), position);
+			.get(locs.getSecond()), position, tag.getBoolean("UpsideDown"));
 	}
 
 }

src/main/java/com/simibubi/create/content/logistics/trains/management/edgePoint/station/StationBlockEntity.java

@@ -22,7 +22,7 @@ import com.simibubi.create.content.contraptions.components.structureMovement.ITr
 import com.simibubi.create.content.contraptions.components.structureMovement.StructureTransform;
 import com.simibubi.create.content.logistics.block.depot.DepotBehaviour;
 import com.simibubi.create.content.logistics.block.display.DisplayLinkBlock;
-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.TrackEdge;
 import com.simibubi.create.content.logistics.trains.TrackGraph;
@@ -39,6 +39,7 @@ import com.simibubi.create.content.logistics.trains.management.edgePoint.EdgePoi
 import com.simibubi.create.content.logistics.trains.management.edgePoint.TrackTargetingBehaviour;
 import com.simibubi.create.content.logistics.trains.management.schedule.Schedule;
 import com.simibubi.create.content.logistics.trains.management.schedule.ScheduleItem;
+import com.simibubi.create.content.logistics.trains.track.AbstractBogeyTileEntity;
 import com.simibubi.create.foundation.advancement.AllAdvancements;
 import com.simibubi.create.foundation.block.ProperWaterloggedBlock;
 import com.simibubi.create.foundation.blockEntity.BlockEntityBehaviour;
@@ -52,6 +53,7 @@ import com.simibubi.create.foundation.utility.WorldAttached;
 import com.simibubi.create.foundation.utility.animation.LerpedFloat;
 import com.simibubi.create.foundation.utility.animation.LerpedFloat.Chaser;
 
+import net.minecraft.ChatFormatting;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.BlockPos.MutableBlockPos;
 import net.minecraft.core.Direction;
@@ -67,6 +69,7 @@ import net.minecraft.world.InteractionHand;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.block.SoundType;
+import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.levelgen.structure.BoundingBox;
@@ -192,7 +195,8 @@ public class StationBlockEntity extends SmartBlockEntity implements ITransformab
 	Direction assemblyDirection;
 	int assemblyLength;
 	int[] bogeyLocations;
-	IBogeyBlock[] bogeyTypes;
+	AbstractBogeyBlock<?>[] bogeyTypes;
+	boolean[] upsideDownBogeys;
 	int bogeyCount;
 
 	@Override
@@ -269,14 +273,30 @@ public class StationBlockEntity extends SmartBlockEntity implements ITransformab
 			return false;
 
 		BlockPos up = new BlockPos(track.getUpNormal(level, pos, state));
+		BlockPos down = new BlockPos(track.getUpNormal(level, pos, state).scale(-1));
 		int bogeyOffset = pos.distManhattan(edgePoint.getGlobalPosition()) - 1;
+		
 		if (!isValidBogeyOffset(bogeyOffset)) {
-			for (int i = -1; i <= 1; i++) {
+			for (boolean upsideDown : Iterate.falseAndTrue) {
-				BlockPos bogeyPos = pos.relative(assemblyDirection, i)
+				for (int i = -1; i <= 1; i++) {
-					.offset(up);
+					BlockPos bogeyPos = pos.relative(assemblyDirection, i)
-				BlockState blockState = level.getBlockState(bogeyPos);
+						.offset(upsideDown ? down : up);
-				if (blockState.getBlock() instanceof IBogeyBlock bogey) {
+					BlockState blockState = level.getBlockState(bogeyPos);
-					level.setBlock(bogeyPos, bogey.getRotatedBlockState(blockState, Direction.DOWN), 3);
+					if (!(blockState.getBlock() instanceof AbstractBogeyBlock<?> bogey))
+						continue;
+					BlockEntity be = level.getBlockEntity(bogeyPos);
+					if (!(be instanceof AbstractBogeyTileEntity oldTE))
+						continue;
+					CompoundTag oldData = oldTE.getBogeyData();
+					BlockState newBlock = bogey.getNextSize(oldTE);
+					if (newBlock.getBlock() == bogey)
+						player.displayClientMessage(Lang.translateDirect("bogey.style.no_other_sizes")
+							.withStyle(ChatFormatting.RED), true);
+					level.setBlock(bogeyPos, newBlock, 3);
+					BlockEntity newEntity = level.getBlockEntity(bogeyPos);
+					if (!(newEntity instanceof AbstractBogeyTileEntity newTE))
+						continue;
+					newTE.setBogeyData(oldData);
 					bogey.playRotateSound(level, bogeyPos);
 					return true;
 				}
@@ -291,7 +311,9 @@ public class StationBlockEntity extends SmartBlockEntity implements ITransformab
 			return false;
 		}
 
-		BlockPos targetPos = pos.offset(up);
+		boolean upsideDown = (player.getViewXRot(1.0F) < 0 && (track.getBogeyAnchor(level, pos, state)).getBlock() instanceof AbstractBogeyBlock<?> bogey && bogey.canBeUpsideDown());
+
+		BlockPos targetPos = upsideDown ? pos.offset(down) : pos.offset(up);
 		if (level.getBlockState(targetPos)
 			.getDestroySpeed(level, targetPos) == -1) {
 			return false;
@@ -299,7 +321,11 @@ public class StationBlockEntity extends SmartBlockEntity implements ITransformab
 
 		level.destroyBlock(targetPos, true);
 
-		BlockState bogeyAnchor = ProperWaterloggedBlock.withWater(level, track.getBogeyAnchor(level, pos, state), pos);
+		BlockState bogeyAnchor = track.getBogeyAnchor(level, pos, state);
+		if (bogeyAnchor.getBlock() instanceof AbstractBogeyBlock<?> bogey) {
+			bogeyAnchor = bogey.getVersion(bogeyAnchor, upsideDown);
+		}
+		bogeyAnchor = ProperWaterloggedBlock.withWater(level, bogeyAnchor, pos);
 		level.setBlock(targetPos, bogeyAnchor, 3);
 		player.displayClientMessage(Lang.translateDirect("train_assembly.bogey_created"), true);
 		SoundType soundtype = bogeyAnchor.getBlock()
@@ -373,9 +399,12 @@ public class StationBlockEntity extends SmartBlockEntity implements ITransformab
 		if (bogeyLocations == null)
 			bogeyLocations = new int[maxBogeyCount];
 		if (bogeyTypes == null)
-			bogeyTypes = new IBogeyBlock[maxBogeyCount];
+			bogeyTypes = new AbstractBogeyBlock[maxBogeyCount];
+		if (upsideDownBogeys == null)
+			upsideDownBogeys = new boolean[maxBogeyCount];
 		Arrays.fill(bogeyLocations, -1);
 		Arrays.fill(bogeyTypes, null);
+		Arrays.fill(upsideDownBogeys, false);
 
 		for (int i = 0; i < MAX_LENGTH; i++) {
 			if (i == MAX_LENGTH - 1) {
@@ -388,10 +417,19 @@ public class StationBlockEntity extends SmartBlockEntity implements ITransformab
 			}
 
 			BlockState potentialBogeyState = level.getBlockState(bogeyOffset.offset(currentPos));
-			if (potentialBogeyState.getBlock() instanceof IBogeyBlock bogey && bogeyIndex < bogeyLocations.length) {
+			BlockPos upsideDownBogeyOffset = new BlockPos(bogeyOffset.getX(), bogeyOffset.getY()*-1, bogeyOffset.getZ());
-				bogeyTypes[bogeyIndex] = bogey;
+			if (bogeyIndex < bogeyLocations.length) {
-				bogeyLocations[bogeyIndex] = i;
+				if (potentialBogeyState.getBlock() instanceof AbstractBogeyBlock<?> bogey && !bogey.isUpsideDown(potentialBogeyState)) {
-				bogeyIndex++;
+					bogeyTypes[bogeyIndex] = bogey;
+					bogeyLocations[bogeyIndex] = i;
+					upsideDownBogeys[bogeyIndex] = false;
+					bogeyIndex++;
+				} else if ((potentialBogeyState = level.getBlockState(upsideDownBogeyOffset.offset(currentPos))).getBlock() instanceof AbstractBogeyBlock<?> bogey && bogey.isUpsideDown(potentialBogeyState)) {
+					bogeyTypes[bogeyIndex] = bogey;
+					bogeyLocations[bogeyIndex] = i;
+					upsideDownBogeys[bogeyIndex] = true;
+					bogeyIndex++;
+				}
 			}
 
 			currentPos.move(assemblyDirection);
@@ -551,7 +589,7 @@ public class StationBlockEntity extends SmartBlockEntity implements ITransformab
 					return;
 				}
 
-				points.add(new TravellingPoint(node, secondNode, edge, positionOnEdge));
+				points.add(new TravellingPoint(node, secondNode, edge, positionOnEdge, false));
 			}
 
 			secondNode = node;
@@ -578,10 +616,11 @@ public class StationBlockEntity extends SmartBlockEntity implements ITransformab
 				spacing.add(bogeyLocations[bogeyIndex] - bogeyLocations[bogeyIndex - 1]);
 			CarriageContraption contraption = new CarriageContraption(assemblyDirection);
 			BlockPos bogeyPosOffset = trackPosition.offset(bogeyOffset);
+			BlockPos upsideDownBogeyPosOffset = trackPosition.offset(new BlockPos(bogeyOffset.getX(), bogeyOffset.getY() * -1, bogeyOffset.getZ()));
 
 			try {
 				int offset = bogeyLocations[bogeyIndex] + 1;
-				boolean success = contraption.assemble(level, bogeyPosOffset.relative(assemblyDirection, offset));
+				boolean success = contraption.assemble(level, upsideDownBogeys[bogeyIndex] ? upsideDownBogeyPosOffset.relative(assemblyDirection, offset) : bogeyPosOffset.relative(assemblyDirection, offset));
 				atLeastOneForwardControls |= contraption.hasForwardControls();
 				contraption.setSoundQueueOffset(offset);
 				if (!success) {
@@ -594,24 +633,28 @@ public class StationBlockEntity extends SmartBlockEntity implements ITransformab
 				return;
 			}
 
-			IBogeyBlock typeOfFirstBogey = bogeyTypes[bogeyIndex];
+			AbstractBogeyBlock<?> typeOfFirstBogey = bogeyTypes[bogeyIndex];
+			boolean firstBogeyIsUpsideDown = upsideDownBogeys[bogeyIndex];
+			BlockPos firstBogeyPos = contraption.anchor;
+			AbstractBogeyTileEntity firstBogeyTileEntity = (AbstractBogeyTileEntity) level.getBlockEntity(firstBogeyPos);
 			CarriageBogey firstBogey =
-				new CarriageBogey(typeOfFirstBogey, points.get(pointIndex), points.get(pointIndex + 1));
+				new CarriageBogey(typeOfFirstBogey, firstBogeyIsUpsideDown, firstBogeyTileEntity.getBogeyData(), points.get(pointIndex), points.get(pointIndex + 1));
 			CarriageBogey secondBogey = null;
 			BlockPos secondBogeyPos = contraption.getSecondBogeyPos();
 			int bogeySpacing = 0;
 
 			if (secondBogeyPos != null) {
 				if (bogeyIndex == bogeyCount - 1 || !secondBogeyPos
-					.equals(bogeyPosOffset.relative(assemblyDirection, bogeyLocations[bogeyIndex + 1] + 1))) {
+					.equals((upsideDownBogeys[bogeyIndex + 1] ? upsideDownBogeyPosOffset : bogeyPosOffset).relative(assemblyDirection, bogeyLocations[bogeyIndex + 1] + 1))) {
 					exception(new AssemblyException(Lang.translateDirect("train_assembly.not_connected_in_order")),
 						contraptions.size() + 1);
 					return;
 				}
-
+				AbstractBogeyTileEntity secondBogeyTileEntity =
+						(AbstractBogeyTileEntity) level.getBlockEntity(secondBogeyPos);
 				bogeySpacing = bogeyLocations[bogeyIndex + 1] - bogeyLocations[bogeyIndex];
-				secondBogey = new CarriageBogey(bogeyTypes[bogeyIndex + 1], points.get(pointIndex + 2),
+				secondBogey = new CarriageBogey(bogeyTypes[bogeyIndex + 1], upsideDownBogeys[bogeyIndex + 1], secondBogeyTileEntity.getBogeyData(),
-					points.get(pointIndex + 3));
+						points.get(pointIndex + 2), points.get(pointIndex + 3));
 				bogeyIndex++;
 
 			} else if (!typeOfFirstBogey.allowsSingleBogeyCarriage()) {

src/main/java/com/simibubi/create/content/logistics/trains/track/AbstractBogeyBlockEntity.java

@@ -0,0 +1,119 @@
+package com.simibubi.create.content.logistics.trains.track;
+
+import com.simibubi.create.AllBogeyStyles;
+import com.simibubi.create.content.logistics.trains.AbstractBogeyBlock;
+import com.simibubi.create.content.logistics.trains.entity.BogeyStyle;
+import com.simibubi.create.foundation.tileEntity.CachedRenderBBTileEntity;
+import com.simibubi.create.foundation.utility.NBTHelper;
+import com.simibubi.create.foundation.utility.animation.LerpedFloat;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.block.entity.BlockEntityType;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.phys.AABB;
+import org.jetbrains.annotations.NotNull;
+
+import static com.simibubi.create.content.logistics.trains.entity.CarriageBogey.UPSIDE_DOWN_KEY;
+
+public abstract class AbstractBogeyTileEntity extends CachedRenderBBTileEntity {
+	public static final String BOGEY_STYLE_KEY = "BogeyStyle";
+	public static final String BOGEY_DATA_KEY = "BogeyData";
+
+	private CompoundTag bogeyData;
+
+	public AbstractBogeyTileEntity(BlockEntityType<?> type, BlockPos pos, BlockState state) {
+		super(type, pos, state);
+	}
+
+	public abstract BogeyStyle getDefaultStyle();
+
+	public CompoundTag getBogeyData() {
+		if (this.bogeyData == null || !this.bogeyData.contains(BOGEY_STYLE_KEY))
+			this.bogeyData = this.createBogeyData();
+		return this.bogeyData;
+	}
+
+	public void setBogeyData(@NotNull CompoundTag newData) {
+		if (!newData.contains(BOGEY_STYLE_KEY)) {
+			ResourceLocation style = getDefaultStyle().name;
+			NBTHelper.writeResourceLocation(newData, BOGEY_STYLE_KEY, style);
+		}
+		this.bogeyData = newData;
+	}
+
+	public void setBogeyStyle(@NotNull BogeyStyle style) {
+		ResourceLocation location = style.name;
+		CompoundTag data = this.getBogeyData();
+		NBTHelper.writeResourceLocation(data, BOGEY_STYLE_KEY, location);
+		markUpdated();
+	}
+
+	@NotNull
+	public BogeyStyle getStyle() {
+		CompoundTag data = this.getBogeyData();
+		ResourceLocation currentStyle = NBTHelper.readResourceLocation(data, BOGEY_STYLE_KEY);
+		BogeyStyle style = AllBogeyStyles.BOGEY_STYLES.get(currentStyle);
+		if (style == null) {
+			setBogeyStyle(getDefaultStyle());
+			return getStyle();
+		}
+		return style;
+	}
+
+	@Override
+	protected void saveAdditional(@NotNull CompoundTag pTag) {
+		CompoundTag data = this.getBogeyData();
+		if (data != null) pTag.put(BOGEY_DATA_KEY, data); // Now contains style
+		super.saveAdditional(pTag);
+	}
+
+	@Override
+	public void load(CompoundTag pTag) {
+		if (pTag.contains(BOGEY_DATA_KEY))
+			this.bogeyData = pTag.getCompound(BOGEY_DATA_KEY);
+		else
+			this.bogeyData = this.createBogeyData();
+		super.load(pTag);
+	}
+
+	private CompoundTag createBogeyData() {
+		CompoundTag nbt = new CompoundTag();
+		NBTHelper.writeResourceLocation(nbt, BOGEY_STYLE_KEY, getDefaultStyle().name);
+		boolean upsideDown = false;
+		if (getBlockState().getBlock() instanceof AbstractBogeyBlock<?> bogeyBlock)
+			upsideDown = bogeyBlock.isUpsideDown(getBlockState());
+		nbt.putBoolean(UPSIDE_DOWN_KEY, upsideDown);
+		return nbt;
+	}
+
+	@Override
+	protected AABB createRenderBoundingBox() {
+		return super.createRenderBoundingBox().inflate(2);
+	}
+
+	// Ponder
+	LerpedFloat virtualAnimation = LerpedFloat.angular();
+
+	public float getVirtualAngle(float partialTicks) {
+		return virtualAnimation.getValue(partialTicks);
+	}
+
+	public void animate(float distanceMoved) {
+		BlockState blockState = getBlockState();
+		if (!(blockState.getBlock() instanceof AbstractBogeyBlock<?> type))
+			return;
+		double angleDiff = 360 * distanceMoved / (Math.PI * 2 * type.getWheelRadius());
+		double newWheelAngle = (virtualAnimation.getValue() - angleDiff) % 360;
+		virtualAnimation.setValue(newWheelAngle);
+	}
+
+	private void markUpdated() {
+		setChanged();
+		Level level = getLevel();
+		if (level != null)
+			getLevel().sendBlockUpdated(getBlockPos(), getBlockState(), getBlockState(), 3);
+	}
+}

src/main/java/com/simibubi/create/content/logistics/trains/track/CurvedTrackInteraction.java

@@ -1,7 +1,7 @@
 package com.simibubi.create.content.logistics.trains.track;
 
-import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllItems;
+import com.simibubi.create.AllTags;
 import com.simibubi.create.content.logistics.trains.management.edgePoint.TrackTargetingBlockItem;
 import com.simibubi.create.content.logistics.trains.track.TrackBlockOutline.BezierPointSelection;
 import com.simibubi.create.foundation.networking.AllPackets;
@@ -117,7 +117,7 @@ public class CurvedTrackInteraction {
 		if (event.isUseItem()) {
 			ItemStack heldItem = player.getMainHandItem();
 			Item item = heldItem.getItem();
-			if (AllBlocks.TRACK.isIn(heldItem)) {
+			if (AllTags.AllBlockTags.TRACKS.matches(heldItem)) {
 				player.displayClientMessage(Lang.translateDirect("track.turn_start")
 					.withStyle(ChatFormatting.RED), true);
 				player.swing(InteractionHand.MAIN_HAND);

src/main/java/com/simibubi/create/content/logistics/trains/track/PlaceExtendedCurvePacket.java

@@ -1,6 +1,6 @@
 package com.simibubi.create.content.logistics.trains.track;
 
-import com.simibubi.create.AllBlocks;
+import com.simibubi.create.AllTags;
 import com.simibubi.create.foundation.networking.SimplePacketBase;
 
 import net.minecraft.nbt.CompoundTag;
@@ -14,7 +14,7 @@ public class PlaceExtendedCurvePacket extends SimplePacketBase {
 
 	boolean mainHand;
 	boolean ctrlDown;
-	
+
 	public PlaceExtendedCurvePacket(boolean mainHand, boolean ctrlDown) {
 		this.mainHand = mainHand;
 		this.ctrlDown = ctrlDown;
@@ -36,7 +36,7 @@ public class PlaceExtendedCurvePacket extends SimplePacketBase {
 		context.enqueueWork(() -> {
 			ServerPlayer sender = context.getSender();
 			ItemStack stack = sender.getItemInHand(mainHand ? InteractionHand.MAIN_HAND : InteractionHand.OFF_HAND);
-			if (!AllBlocks.TRACK.isIn(stack) || !stack.hasTag())
+			if (!AllTags.AllBlockTags.TRACKS.matches(stack) || !stack.hasTag())
 				return;
 			CompoundTag tag = stack.getTag();
 			tag.putBoolean("ExtendCurve", true);

src/main/java/com/simibubi/create/content/logistics/trains/track/StandardBogeyBlock.java

@@ -1,87 +1,36 @@
 package com.simibubi.create.content.logistics.trains.track;
 
-import java.util.EnumSet;
-
-import com.jozufozu.flywheel.api.MaterialManager;
-import com.mojang.blaze3d.vertex.PoseStack;
-import com.mojang.blaze3d.vertex.VertexConsumer;
-import com.mojang.math.Vector3f;
 import com.simibubi.create.AllBlockEntityTypes;
 import com.simibubi.create.AllBlocks;
-import com.simibubi.create.AllPartialModels;
+import com.simibubi.create.AllBogeyStyles;
-import com.simibubi.create.content.contraptions.relays.elementary.ShaftBlock;
+import com.simibubi.create.content.logistics.trains.AbstractBogeyBlock;
-import com.simibubi.create.content.logistics.trains.IBogeyBlock;
+import com.simibubi.create.content.logistics.trains.BogeySizes;
-import com.simibubi.create.content.logistics.trains.entity.BogeyInstance;
+import com.simibubi.create.content.logistics.trains.TrackMaterial;
-import com.simibubi.create.content.logistics.trains.entity.CarriageBogey;
+import com.simibubi.create.content.logistics.trains.entity.BogeyStyle;
 import com.simibubi.create.content.schematics.ISpecialBlockItemRequirement;
-import com.simibubi.create.content.schematics.ItemRequirement;
-import com.simibubi.create.content.schematics.ItemRequirement.ItemUseType;
 import com.simibubi.create.foundation.block.IBE;
 import com.simibubi.create.foundation.block.ProperWaterloggedBlock;
-import com.simibubi.create.foundation.render.CachedBufferer;
-import com.simibubi.create.foundation.utility.AngleHelper;
-import com.simibubi.create.foundation.utility.Iterate;
 
-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.core.Direction.Axis;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.BlockGetter;
-import net.minecraft.world.level.LevelAccessor;
-import net.minecraft.world.level.block.Block;
-import net.minecraft.world.level.block.Blocks;
-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;
-import net.minecraft.world.level.block.state.StateDefinition.Builder;
-import net.minecraft.world.level.block.state.properties.BlockStateProperties;
-import net.minecraft.world.level.block.state.properties.EnumProperty;
-import net.minecraft.world.level.material.FluidState;
 import net.minecraft.world.phys.HitResult;
 import net.minecraft.world.phys.Vec3;
-import net.minecraftforge.api.distmarker.Dist;
-import net.minecraftforge.api.distmarker.OnlyIn;
 
-public class StandardBogeyBlock extends Block
+public class StandardBogeyBlock extends AbstractBogeyBlock<StandardBogeyBlockEntity>
-	implements IBogeyBlock, IBE<StandardBogeyBlockEntity>, ProperWaterloggedBlock, ISpecialBlockItemRequirement {
+	implements IBE<StandardBogeyBlockEntity>, ProperWaterloggedBlock, ISpecialBlockItemRequirement {
 
-	public static final EnumProperty<Axis> AXIS = BlockStateProperties.HORIZONTAL_AXIS;
+	public StandardBogeyBlock(Properties props, BogeySizes.BogeySize size) {
-	private final boolean large;
+		super(props, size);
-
-	public StandardBogeyBlock(Properties p_i48440_1_, boolean large) {
-		super(p_i48440_1_);
-		this.large = large;
 		registerDefaultState(defaultBlockState().setValue(WATERLOGGED, false));
 	}
 
 	@Override
-	protected void createBlockStateDefinition(Builder<Block, BlockState> builder) {
+	public TrackMaterial.TrackType getTrackType(BogeyStyle style) {
-		builder.add(AXIS, WATERLOGGED);
+		return TrackMaterial.TrackType.STANDARD;
-		super.createBlockStateDefinition(builder);
-	}
-
-	static final EnumSet<Direction> STICKY_X = EnumSet.of(Direction.EAST, Direction.WEST);
-	static final EnumSet<Direction> STICKY_Z = EnumSet.of(Direction.SOUTH, Direction.NORTH);
-
-	@Override
-	public EnumSet<Direction> getStickySurfaces(BlockGetter world, BlockPos pos, BlockState state) {
-		return state.getValue(BlockStateProperties.HORIZONTAL_AXIS) == Axis.X ? STICKY_X : STICKY_Z;
-	}
-
-	@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);
 	}
 
 	@Override
@@ -91,7 +40,7 @@ public class StandardBogeyBlock extends Block
 
 	@Override
 	public double getWheelRadius() {
-		return (large ? 12.5 : 6.5) / 16d;
+		return (size == BogeySizes.LARGE ? 12.5 : 6.5) / 16d;
 	}
 
 	@Override
@@ -100,122 +49,8 @@ public class StandardBogeyBlock extends Block
 	}
 
 	@Override
-	public boolean allowsSingleBogeyCarriage() {
+	public BogeyStyle getDefaultStyle() {
-		return true;
+		return AllBogeyStyles.STANDARD;
-	}
-
-	@Override
-	public BlockState getMatchingBogey(Direction upDirection, boolean axisAlongFirst) {
-		if (upDirection != Direction.UP)
-			return null;
-		return defaultBlockState().setValue(AXIS, axisAlongFirst ? Axis.X : Axis.Z);
-	}
-
-	@Override
-	public boolean isTrackAxisAlongFirstCoordinate(BlockState state) {
-		return state.getValue(AXIS) == Axis.X;
-	}
-
-	@Override
-	@OnlyIn(Dist.CLIENT)
-	public void render(BlockState state, float wheelAngle, PoseStack ms, float partialTicks, MultiBufferSource buffers,
-		int light, int overlay) {
-		if (state != null) {
-			ms.translate(.5f, .5f, .5f);
-			if (state.getValue(AXIS) == Axis.X)
-				ms.mulPose(Vector3f.YP.rotationDegrees(90));
-		}
-
-		ms.translate(0, -1.5 - 1 / 128f, 0);
-
-		VertexConsumer vb = buffers.getBuffer(RenderType.cutoutMipped());
-		BlockState air = Blocks.AIR.defaultBlockState();
-
-		for (int i : Iterate.zeroAndOne)
-			CachedBufferer.block(AllBlocks.SHAFT.getDefaultState()
-				.setValue(ShaftBlock.AXIS, Axis.Z))
-				.translate(-.5f, .25f, i * -1)
-				.centre()
-				.rotateZ(wheelAngle)
-				.unCentre()
-				.light(light)
-				.renderInto(ms, vb);
-
-		if (large) {
-			renderLargeBogey(wheelAngle, ms, light, vb, air);
-		} else {
-			renderBogey(wheelAngle, ms, light, vb, air);
-		}
-	}
-
-	private void renderBogey(float wheelAngle, PoseStack ms, int light, VertexConsumer vb, BlockState air) {
-		CachedBufferer.partial(AllPartialModels.BOGEY_FRAME, air)
-			.scale(1 - 1 / 512f)
-			.light(light)
-			.renderInto(ms, vb);
-
-		for (int side : Iterate.positiveAndNegative) {
-			ms.pushPose();
-			CachedBufferer.partial(AllPartialModels.SMALL_BOGEY_WHEELS, air)
-				.translate(0, 12 / 16f, side)
-				.rotateX(wheelAngle)
-				.light(light)
-				.renderInto(ms, vb);
-			ms.popPose();
-		}
-	}
-
-	private void renderLargeBogey(float wheelAngle, PoseStack ms, int light, VertexConsumer vb, BlockState air) {
-		for (int i : Iterate.zeroAndOne)
-			CachedBufferer.block(AllBlocks.SHAFT.getDefaultState()
-				.setValue(ShaftBlock.AXIS, Axis.X))
-				.translate(-.5f, .25f, .5f + i * -2)
-				.centre()
-				.rotateX(wheelAngle)
-				.unCentre()
-				.light(light)
-				.renderInto(ms, vb);
-
-		CachedBufferer.partial(AllPartialModels.BOGEY_DRIVE, air)
-			.scale(1 - 1 / 512f)
-			.light(light)
-			.renderInto(ms, vb);
-		CachedBufferer.partial(AllPartialModels.BOGEY_PISTON, air)
-			.translate(0, 0, 1 / 4f * Math.sin(AngleHelper.rad(wheelAngle)))
-			.light(light)
-			.renderInto(ms, vb);
-
-		ms.pushPose();
-		CachedBufferer.partial(AllPartialModels.LARGE_BOGEY_WHEELS, air)
-			.translate(0, 1, 0)
-			.rotateX(wheelAngle)
-			.light(light)
-			.renderInto(ms, vb);
-		CachedBufferer.partial(AllPartialModels.BOGEY_PIN, air)
-			.translate(0, 1, 0)
-			.rotateX(wheelAngle)
-			.translate(0, 1 / 4f, 0)
-			.rotateX(-wheelAngle)
-			.light(light)
-			.renderInto(ms, vb);
-		ms.popPose();
-	}
-
-	@Override
-	public BogeyInstance createInstance(MaterialManager materialManager, CarriageBogey bogey) {
-		if (large) {
-			return new BogeyInstance.Drive(bogey, materialManager);
-		} else {
-			return new BogeyInstance.Frame(bogey, materialManager);
-		}
-	}
-
-	@Override
-	public BlockState rotate(BlockState pState, Rotation pRotation) {
-		return switch (pRotation) {
-		case COUNTERCLOCKWISE_90, CLOCKWISE_90 -> pState.cycle(AXIS);
-		default -> pState;
-		};
 	}
 
 	@Override
@@ -234,9 +69,4 @@ public class StandardBogeyBlock extends Block
 		return AllBlockEntityTypes.BOGEY.get();
 	}
 
-	@Override
-	public ItemRequirement getRequiredItems(BlockState state, BlockEntity be) {
-		return new ItemRequirement(ItemUseType.CONSUME, AllBlocks.RAILWAY_CASING.asStack());
-	}
-
 }

src/main/java/com/simibubi/create/content/logistics/trains/track/StandardBogeyBlockEntity.java

@@ -1,40 +1,20 @@
 package com.simibubi.create.content.logistics.trains.track;
 
-import com.simibubi.create.content.logistics.trains.IBogeyBlock;
+import com.simibubi.create.AllBogeyStyles;
-import com.simibubi.create.foundation.blockEntity.CachedRenderBBBlockEntity;
+import com.simibubi.create.content.logistics.trains.entity.BogeyStyle;
-import com.simibubi.create.foundation.utility.animation.LerpedFloat;
 
 import net.minecraft.core.BlockPos;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockState;
-import net.minecraft.world.phys.AABB;
 
-public class StandardBogeyBlockEntity extends CachedRenderBBBlockEntity {
+public class StandardBogeyBlockEntity extends AbstractBogeyBlockEntity {
 
 	public StandardBogeyBlockEntity(BlockEntityType<?> type, BlockPos pos, BlockState state) {
 		super(type, pos, state);
 	}
 
 	@Override
-	protected AABB createRenderBoundingBox() {
+	public BogeyStyle getDefaultStyle() {
-		return super.createRenderBoundingBox().inflate(2);
+		return AllBogeyStyles.STANDARD;
 	}
-
-	// Ponder
-	
-	LerpedFloat virtualAnimation = LerpedFloat.angular();
-	
-	public float getVirtualAngle(float partialTicks) {
-		return virtualAnimation.getValue(partialTicks);
-	}
-	
-	public void animate(float distanceMoved) {
-		BlockState blockState = getBlockState();
-		if (!(blockState.getBlock() instanceof IBogeyBlock type))
-			return;
-		double angleDiff = 360 * distanceMoved / (Math.PI * 2 * type.getWheelRadius());
-		double newWheelAngle = (virtualAnimation.getValue() - angleDiff) % 360;
-		virtualAnimation.setValue(newWheelAngle);
-	}
-
 }

src/main/java/com/simibubi/create/content/logistics/trains/track/TrackBlock.java

@@ -29,12 +29,14 @@ import com.simibubi.create.AllBlockEntityTypes;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllPartialModels;
 import com.simibubi.create.AllShapes;
+import com.simibubi.create.AllTags;
 import com.simibubi.create.content.contraptions.components.structureMovement.glue.SuperGlueEntity;
 import com.simibubi.create.content.contraptions.particle.CubeParticleData;
 import com.simibubi.create.content.contraptions.wrench.IWrenchable;
 import com.simibubi.create.content.curiosities.girder.GirderBlock;
 import com.simibubi.create.content.logistics.trains.BezierConnection;
 import com.simibubi.create.content.logistics.trains.ITrackBlock;
+import com.simibubi.create.content.logistics.trains.TrackMaterial;
 import com.simibubi.create.content.logistics.trains.TrackNodeLocation;
 import com.simibubi.create.content.logistics.trains.TrackNodeLocation.DiscoveredLocation;
 import com.simibubi.create.content.logistics.trains.TrackPropagator;
@@ -55,6 +57,8 @@ import com.simibubi.create.foundation.utility.Lang;
 import com.simibubi.create.foundation.utility.Pair;
 import com.simibubi.create.foundation.utility.VecHelper;
 
+import it.unimi.dsi.fastutil.objects.Object2IntArrayMap;
+import it.unimi.dsi.fastutil.objects.Object2IntMap;
 import net.minecraft.ChatFormatting;
 import net.minecraft.client.multiplayer.ClientLevel;
 import net.minecraft.core.BlockPos;
@@ -113,11 +117,14 @@ public class TrackBlock extends Block
 	public static final EnumProperty<TrackShape> SHAPE = EnumProperty.create("shape", TrackShape.class);
 	public static final BooleanProperty HAS_BE = BooleanProperty.create("turn");
 
-	public TrackBlock(Properties p_49795_) {
+	protected final TrackMaterial material;
+
+	public TrackBlock(Properties p_49795_, TrackMaterial material) {
 		super(p_49795_);
 		registerDefaultState(defaultBlockState().setValue(SHAPE, TrackShape.ZO)
 			.setValue(HAS_BE, false)
 			.setValue(WATERLOGGED, false));
+		this.material = material;
 	}
 
 	@Override
@@ -388,7 +395,7 @@ public class TrackBlock extends Block
 						(d, b) -> axis.scale(b ? 0 : fromCenter ? -d : d)
 							.add(center),
 						b -> shape.getNormal(), b -> world instanceof Level l ? l.dimension() : Level.OVERWORLD, v -> 0,
-						axis, null);
+						axis, null, (b, v) -> ITrackBlock.getMaterialSimple(world, v));
 		} else
 			list = ITrackBlock.super.getConnected(world, pos, state, linear, connectedTo);
 
@@ -404,7 +411,8 @@ public class TrackBlock extends Block
 		Map<BlockPos, BezierConnection> connections = trackTE.getConnections();
 		connections.forEach((connectedPos, bc) -> ITrackBlock.addToListIfConnected(connectedTo, list,
 			(d, b) -> d == 1 ? Vec3.atLowerCornerOf(bc.tePositions.get(b)) : bc.starts.get(b), bc.normals::get,
-			b -> world instanceof Level l ? l.dimension() : Level.OVERWORLD, bc::yOffsetAt, null, bc));
+			b -> world instanceof Level l ? l.dimension() : Level.OVERWORLD, bc::yOffsetAt, null, bc,
+			(b, v) -> ITrackBlock.getMaterialSimple(world, v, bc.getMaterial())));
 
 		if (trackTE.boundLocation == null || !(world instanceof ServerLevel level))
 			return list;
@@ -416,7 +424,7 @@ public class TrackBlock extends Block
 			return list;
 		BlockPos boundPos = trackTE.boundLocation.getSecond();
 		BlockState boundState = otherLevel.getBlockState(boundPos);
-		if (!AllBlocks.TRACK.has(boundState))
+		if (!AllTags.AllBlockTags.TRACKS.matches(boundState))
 			return list;
 
 		Vec3 center = Vec3.atBottomCenterOf(pos)
@@ -430,7 +438,8 @@ public class TrackBlock extends Block
 		getTrackAxes(world, pos, state).forEach(axis -> {
 			ITrackBlock.addToListIfConnected(connectedTo, list, (d, b) -> (b ? axis : boundAxis).scale(d)
 				.add(b ? center : boundCenter), b -> (b ? shape : boundShape).getNormal(),
-				b -> b ? level.dimension() : otherLevel.dimension(), v -> 0, axis, null);
+				b -> b ? level.dimension() : otherLevel.dimension(), v -> 0, axis, null,
+				(b, v) -> ITrackBlock.getMaterialSimple(b ? level : otherLevel, v));
 		});
 
 		return list;
@@ -479,7 +488,7 @@ public class TrackBlock extends Block
 			if (!entry.getValue()
 				.isInside(pos))
 				continue;
-			if (world.getBlockEntity(entry.getKey())instanceof StationBlockEntity station)
+			if (world.getBlockEntity(entry.getKey()) instanceof StationBlockEntity station)
 				if (station.trackClicked(player, hand, this, state, pos))
 					return InteractionResult.SUCCESS;
 		}
@@ -495,7 +504,7 @@ public class TrackBlock extends Block
 				BlockPos girderPos = pPos.below()
 					.offset(vec3.z * side, 0, vec3.x * side);
 				BlockState girderState = pLevel.getBlockState(girderPos);
-				if (girderState.getBlock()instanceof GirderBlock girderBlock
+				if (girderState.getBlock() instanceof GirderBlock girderBlock
 					&& !blockTicks.hasScheduledTick(girderPos, girderBlock))
 					pLevel.scheduleTick(girderPos, girderBlock, 1);
 			}
@@ -700,7 +709,7 @@ public class TrackBlock extends Block
 		Vec3 normal = null;
 		Vec3 offset = null;
 
-		if (bezierPoint != null && world.getBlockEntity(pos)instanceof TrackBlockEntity trackTE) {
+		if (bezierPoint != null && world.getBlockEntity(pos) instanceof TrackBlockEntity trackTE) {
 			BezierConnection bc = trackTE.connections.get(bezierPoint.curveTarget());
 			if (bc != null) {
 				double length = Mth.floor(bc.getLength() * 2);
@@ -745,7 +754,8 @@ public class TrackBlock extends Block
 				msr.rotateCentered(Direction.UP, Mth.PI);
 		}
 
-		if (bezierPoint == null && world.getBlockEntity(pos)instanceof TrackBlockEntity trackTE && trackTE.isTilted()) {
+		if (bezierPoint == null && world.getBlockEntity(pos) instanceof TrackBlockEntity trackTE
+			&& trackTE.isTilted()) {
 			double yOffset = 0;
 			for (BezierConnection bc : trackTE.connections.values())
 				yOffset += bc.starts.getFirst().y - pos.getY();
@@ -771,7 +781,8 @@ public class TrackBlock extends Block
 
 	@Override
 	public ItemRequirement getRequiredItems(BlockState state, BlockEntity be) {
-		int trackAmount = 1;
+		int sameTypeTrackAmount = 1;
+		Object2IntMap<TrackMaterial> otherTrackAmounts = new Object2IntArrayMap<>();
 		int girderAmount = 0;
 
 		if (be instanceof TrackBlockEntity track) {
@@ -779,15 +790,28 @@ public class TrackBlock extends Block
 				.values()) {
 				if (!bezierConnection.isPrimary())
 					continue;
-				trackAmount += bezierConnection.getTrackItemCost();
+				TrackMaterial material = bezierConnection.getMaterial();
+				if (material == getMaterial()) {
+					sameTypeTrackAmount += bezierConnection.getTrackItemCost();
+				} else {
+					otherTrackAmounts.put(material, otherTrackAmounts.getOrDefault(material, 0) + 1);
+				}
 				girderAmount += bezierConnection.getGirderItemCost();
 			}
 		}
 
 		List<ItemStack> stacks = new ArrayList<>();
-		while (trackAmount > 0) {
+		while (sameTypeTrackAmount > 0) {
-			stacks.add(AllBlocks.TRACK.asStack(Math.min(trackAmount, 64)));
+			stacks.add(new ItemStack(state.getBlock(), Math.min(sameTypeTrackAmount, 64)));
-			trackAmount -= 64;
+			sameTypeTrackAmount -= 64;
+		}
+		for (TrackMaterial material : otherTrackAmounts.keySet()) {
+			int amt = otherTrackAmounts.getOrDefault(material, 0);
+			while (amt > 0) {
+				stacks.add(new ItemStack(material.getTrackBlock()
+					.get(), Math.min(amt, 64)));
+				amt -= 64;
+			}
 		}
 		while (girderAmount > 0) {
 			stacks.add(AllBlocks.METAL_GIRDER.asStack(Math.min(girderAmount, 64)));
@@ -797,6 +821,11 @@ public class TrackBlock extends Block
 		return new ItemRequirement(ItemUseType.CONSUME, stacks);
 	}
 
+	@Override
+	public TrackMaterial getMaterial() {
+		return material;
+	}
+
 	public static class RenderProperties extends ReducedDestroyEffects implements MultiPosDestructionHandler {
 		@Override
 		@Nullable

src/main/java/com/simibubi/create/content/logistics/trains/track/TrackBlockEntity.java

@@ -10,6 +10,7 @@ import java.util.Set;
 
 import com.jozufozu.flywheel.backend.instancing.InstancedRenderDispatcher;
 import com.simibubi.create.AllBlocks;
+import com.simibubi.create.AllTags;
 import com.simibubi.create.content.contraptions.components.structureMovement.ITransformableBlockEntity;
 import com.simibubi.create.content.contraptions.components.structureMovement.StructureTransform;
 import com.simibubi.create.content.logistics.trains.BezierConnection;
@@ -125,6 +126,9 @@ public class TrackBlockEntity extends SmartBlockEntity implements ITransformable
 	}
 
 	public void addConnection(BezierConnection connection) {
+		// don't replace existing connections with different materials
+		if (connections.containsKey(connection.getKey()) && connection.equalsSansMaterial(connections.get(connection.getKey())))
+			return;
 		connections.put(connection.getKey(), connection);
 		level.scheduleTick(worldPosition, getBlockState().getBlock(), 1);
 		notifyUpdate();
@@ -326,7 +330,7 @@ public class TrackBlockEntity extends SmartBlockEntity implements ITransformable
 				.getLevel(boundLocation.getFirst());
 			if (otherLevel == null)
 				return;
-			if (AllBlocks.TRACK.has(otherLevel.getBlockState(boundLocation.getSecond())))
+			if (AllTags.AllBlockTags.TRACKS.matches(otherLevel.getBlockState(boundLocation.getSecond())))
 				otherLevel.destroyBlock(boundLocation.getSecond(), false);
 		}
 	}

src/main/java/com/simibubi/create/content/logistics/trains/track/TrackBlockItem.java

@@ -2,6 +2,7 @@ package com.simibubi.create.content.logistics.trains.track;
 
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllSoundEvents;
+import com.simibubi.create.AllTags;
 import com.simibubi.create.content.logistics.trains.ITrackBlock;
 import com.simibubi.create.content.logistics.trains.track.TrackPlacement.PlacementInfo;
 import com.simibubi.create.foundation.networking.AllPackets;
@@ -118,7 +119,7 @@ public class TrackBlockItem extends BlockItem {
 			return InteractionResult.SUCCESS;
 
 		stack = player.getMainHandItem();
-		if (AllBlocks.TRACK.isIn(stack)) {
+		if (AllTags.AllBlockTags.TRACKS.matches(stack)) {
 			stack.setTag(null);
 			player.setItemInHand(pContext.getHand(), stack);
 		}
@@ -161,7 +162,7 @@ public class TrackBlockItem extends BlockItem {
 	@OnlyIn(Dist.CLIENT)
 	public static void sendExtenderPacket(PlayerInteractEvent.RightClickBlock event) {
 		ItemStack stack = event.getItemStack();
-		if (!AllBlocks.TRACK.isIn(stack) || !stack.hasTag())
+		if (!AllTags.AllBlockTags.TRACKS.matches(stack) || !stack.hasTag())
 			return;
 		if (Minecraft.getInstance().options.keySprint.isDown())
 			AllPackets.getChannel()

src/main/java/com/simibubi/create/content/logistics/trains/track/TrackBlockOutline.java

@@ -8,8 +8,8 @@ import java.util.function.Consumer;
 import com.jozufozu.flywheel.util.transform.TransformStack;
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.mojang.blaze3d.vertex.VertexConsumer;
-import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllShapes;
+import com.simibubi.create.AllTags;
 import com.simibubi.create.content.logistics.trains.BezierConnection;
 import com.simibubi.create.foundation.utility.AngleHelper;
 import com.simibubi.create.foundation.utility.AnimationTickHolder;
@@ -162,7 +162,7 @@ public class TrackBlockOutline {
 			.rotateXRadians(angles.x)
 			.translate(-.5, -.125f, -.5);
 
-		boolean holdingTrack = AllBlocks.TRACK.isIn(Minecraft.getInstance().player.getMainHandItem());
+		boolean holdingTrack = AllTags.AllBlockTags.TRACKS.matches(Minecraft.getInstance().player.getMainHandItem());
 		renderShape(AllShapes.TRACK_ORTHO.get(Direction.SOUTH), ms, vb, holdingTrack ? false : null);
 		ms.popPose();
 	}
@@ -190,7 +190,7 @@ public class TrackBlockOutline {
 		ms.pushPose();
 		ms.translate(pos.getX() - camPos.x, pos.getY() - camPos.y, pos.getZ() - camPos.z);
 
-		boolean holdingTrack = AllBlocks.TRACK.isIn(Minecraft.getInstance().player.getMainHandItem());
+		boolean holdingTrack = AllTags.AllBlockTags.TRACKS.matches(Minecraft.getInstance().player.getMainHandItem());
 		TrackShape shape = blockstate.getValue(TrackBlock.SHAPE);
 		boolean canConnectFrom = !shape.isJunction()
 			&& !(mc.level.getBlockEntity(pos)instanceof TrackBlockEntity tbe && tbe.isTilted());

src/main/java/com/simibubi/create/content/logistics/trains/track/TrackInstance.java

@@ -20,6 +20,7 @@ import com.simibubi.create.AllPartialModels;
 import com.simibubi.create.content.logistics.trains.BezierConnection;
 import com.simibubi.create.content.logistics.trains.BezierConnection.GirderAngles;
 import com.simibubi.create.content.logistics.trains.BezierConnection.SegmentAngles;
+import com.simibubi.create.content.logistics.trains.TrackMaterial;
 import com.simibubi.create.foundation.utility.Couple;
 import com.simibubi.create.foundation.utility.Iterate;
 
@@ -38,7 +39,7 @@ public class TrackInstance extends BlockEntityInstance<TrackBlockEntity> {
 
 	@Override
 	public void update() {
-		if (blockEntity.connections.isEmpty()) 
+		if (blockEntity.connections.isEmpty())
 			return;
 
 		remove();
@@ -110,11 +111,13 @@ public class TrackInstance extends BlockEntityInstance<TrackBlockEntity> {
 			leftLightPos = new BlockPos[segCount];
 			rightLightPos = new BlockPos[segCount];
 
-			mat.getModel(AllPartialModels.TRACK_TIE)
+			TrackMaterial.TrackModelHolder modelHolder = bc.getMaterial().getModelHolder();
+
+			mat.getModel(modelHolder.tie())
 				.createInstances(ties);
-			mat.getModel(AllPartialModels.TRACK_SEGMENT_LEFT)
+			mat.getModel(modelHolder.segment_left())
 				.createInstances(left);
-			mat.getModel(AllPartialModels.TRACK_SEGMENT_RIGHT)
+			mat.getModel(modelHolder.segment_right())
 				.createInstances(right);
 
 			SegmentAngles[] segments = bc.getBakedSegments();

src/main/java/com/simibubi/create/content/logistics/trains/track/TrackPlacement.java

@@ -6,16 +6,17 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-import com.simibubi.create.AllBlocks;
+import com.jozufozu.flywheel.util.Color;
 import com.simibubi.create.AllSpecialTextures;
+import com.simibubi.create.AllTags;
 import com.simibubi.create.CreateClient;
 import com.simibubi.create.content.curiosities.tools.BlueprintOverlayRenderer;
 import com.simibubi.create.content.logistics.trains.BezierConnection;
 import com.simibubi.create.content.logistics.trains.ITrackBlock;
+import com.simibubi.create.content.logistics.trains.TrackMaterial;
 import com.simibubi.create.foundation.block.ProperWaterloggedBlock;
 import com.simibubi.create.foundation.config.AllConfigs;
 import com.simibubi.create.foundation.utility.AngleHelper;
-import com.simibubi.create.foundation.utility.Color;
 import com.simibubi.create.foundation.utility.Couple;
 import com.simibubi.create.foundation.utility.Iterate;
 import com.simibubi.create.foundation.utility.Lang;
@@ -46,6 +47,7 @@ import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.EntityBlock;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.block.state.properties.Property;
 import net.minecraft.world.phys.BlockHitResult;
 import net.minecraft.world.phys.HitResult;
 import net.minecraft.world.phys.HitResult.Type;
@@ -57,6 +59,11 @@ import net.minecraftforge.items.ItemHandlerHelper;
 public class TrackPlacement {
 
 	public static class PlacementInfo {
+
+		public PlacementInfo(TrackMaterial material) {
+			this.trackMaterial = material;
+		}
+
 		BezierConnection curve = null;
 		boolean valid = false;
 		int end1Extent = 0;
@@ -68,6 +75,7 @@ public class TrackPlacement {
 
 		public int requiredPavement = 0;
 		public boolean hasRequiredPavement = false;
+		public final TrackMaterial trackMaterial;
 
 		// for visualisation
 		Vec3 end1;
@@ -109,7 +117,7 @@ public class TrackPlacement {
 			&& hoveringMaxed == maximiseTurn && lookAngle == hoveringAngle)
 			return cached;
 
-		PlacementInfo info = new PlacementInfo();
+		PlacementInfo info = new PlacementInfo(TrackMaterial.fromItem(stack.getItem()));
 		hoveringMaxed = maximiseTurn;
 		hoveringAngle = lookAngle;
 		hoveringPos = pos2;
@@ -195,7 +203,7 @@ public class TrackPlacement {
 			BlockPos targetPos2 = pos2.offset(offset2.x, offset2.y, offset2.z);
 			info.curve = new BezierConnection(Couple.create(targetPos1, targetPos2),
 				Couple.create(end1.add(offset1), end2.add(offset2)), Couple.create(normedAxis1, normedAxis2),
-				Couple.create(normal1, normal2), true, girder);
+				Couple.create(normal1, normal2), true, girder, TrackMaterial.fromItem(stack.getItem()));
 		}
 
 		// S curve or Straight
@@ -355,7 +363,7 @@ public class TrackPlacement {
 		info.curve = skipCurve ? null
 			: new BezierConnection(Couple.create(targetPos1, targetPos2),
 				Couple.create(end1.add(offset1), end2.add(offset2)), Couple.create(normedAxis1, normedAxis2),
-				Couple.create(normal1, normal2), true, girder);
+				Couple.create(normal1, normal2), true, girder, TrackMaterial.fromItem(stack.getItem()));
 
 		info.valid = true;
 
@@ -400,7 +408,7 @@ public class TrackPlacement {
 						continue;
 
 					ItemStack stackInSlot = (offhand ? inv.offhand : inv.items).get(i);
-					boolean isTrack = AllBlocks.TRACK.isIn(stackInSlot);
+					boolean isTrack = AllTags.AllBlockTags.TRACKS.matches(stackInSlot) && stackInSlot.is(stack.getItem());
 					if (!isTrack && (!shouldPave || offhandItem.getItem() != stackInSlot.getItem()))
 						continue;
 					if (isTrack ? foundTracks >= tracks : foundPavement >= pavement)
@@ -473,6 +481,18 @@ public class TrackPlacement {
 			info.requiredPavement += TrackPaver.paveCurve(level, info.curve, block, simulate, visited);
 	}
 
+	private static BlockState copyProperties(BlockState from, BlockState onto) {
+		for (Property property : onto.getProperties()) {
+			if (from.hasProperty(property))
+				onto = onto.setValue(property, from.getValue(property));
+		}
+		return onto;
+	}
+
+	private static BlockState copyProperties(BlockState from, BlockState onto, boolean keepFrom) {
+		return keepFrom ? from : copyProperties(from, onto);
+	}
+
 	private static PlacementInfo placeTracks(Level level, PlacementInfo info, BlockState state1, BlockState state2,
 		BlockPos targetPos1, BlockPos targetPos2, boolean simulate) {
 		info.requiredTracks = 0;
@@ -500,7 +520,8 @@ public class TrackPlacement {
 				Vec3 offset = axis.scale(i);
 				BlockPos offsetPos = pos.offset(offset.x, offset.y, offset.z);
 				BlockState stateAtPos = level.getBlockState(offsetPos);
-				BlockState toPlace = state;
+				// copy over all shared properties from the shaped state to the correct track material block
+				BlockState toPlace = copyProperties(state, info.trackMaterial.getTrackBlock().get().defaultBlockState());
 
 				boolean canPlace = stateAtPos.getMaterial()
 					.isReplaceable();
@@ -523,15 +544,16 @@ public class TrackPlacement {
 			return info;
 
 		if (!simulate) {
+			BlockState onto = info.trackMaterial.getTrackBlock().get().defaultBlockState();
 			BlockState stateAtPos = level.getBlockState(targetPos1);
 			level.setBlock(targetPos1, ProperWaterloggedBlock.withWater(level,
-				(stateAtPos.getBlock() == state1.getBlock() ? stateAtPos : state1).setValue(TrackBlock.HAS_BE, true),
+					(AllTags.AllBlockTags.TRACKS.matches(stateAtPos) ? stateAtPos : copyProperties(state1, onto))
-				targetPos1), 3);
+							.setValue(TrackBlock.HAS_BE, true), targetPos1), 3);
 
 			stateAtPos = level.getBlockState(targetPos2);
 			level.setBlock(targetPos2, ProperWaterloggedBlock.withWater(level,
-				(stateAtPos.getBlock() == state2.getBlock() ? stateAtPos : state2).setValue(TrackBlock.HAS_BE, true),
+					(AllTags.AllBlockTags.TRACKS.matches(stateAtPos) ? stateAtPos : copyProperties(state2, onto))
-				targetPos2), 3);
+							.setValue(TrackBlock.HAS_BE, true), targetPos2), 3);
 		}
 
 		BlockEntity te1 = level.getBlockEntity(targetPos1);
@@ -582,10 +604,10 @@ public class TrackPlacement {
 			return;
 
 		InteractionHand hand = InteractionHand.MAIN_HAND;
-		if (!AllBlocks.TRACK.isIn(stack)) {
+		if (!AllTags.AllBlockTags.TRACKS.matches(stack)) {
 			stack = player.getOffhandItem();
 			hand = InteractionHand.OFF_HAND;
-			if (!AllBlocks.TRACK.isIn(stack))
+			if (!AllTags.AllBlockTags.TRACKS.matches(stack))
 				return;
 		}
 

src/main/java/com/simibubi/create/content/logistics/trains/track/TrackRenderer.java

@@ -3,9 +3,6 @@ package com.simibubi.create.content.logistics.trains.track;
 import static com.simibubi.create.AllPartialModels.GIRDER_SEGMENT_BOTTOM;
 import static com.simibubi.create.AllPartialModels.GIRDER_SEGMENT_MIDDLE;
 import static com.simibubi.create.AllPartialModels.GIRDER_SEGMENT_TOP;
-import static com.simibubi.create.AllPartialModels.TRACK_SEGMENT_LEFT;
-import static com.simibubi.create.AllPartialModels.TRACK_SEGMENT_RIGHT;
-import static com.simibubi.create.AllPartialModels.TRACK_TIE;
 
 import com.jozufozu.flywheel.backend.Backend;
 import com.mojang.blaze3d.vertex.PoseStack;
@@ -14,6 +11,7 @@ import com.mojang.blaze3d.vertex.VertexConsumer;
 import com.simibubi.create.content.logistics.trains.BezierConnection;
 import com.simibubi.create.content.logistics.trains.BezierConnection.GirderAngles;
 import com.simibubi.create.content.logistics.trains.BezierConnection.SegmentAngles;
+import com.simibubi.create.content.logistics.trains.TrackMaterial;
 import com.simibubi.create.foundation.blockEntity.renderer.SafeBlockEntityRenderer;
 import com.simibubi.create.foundation.render.CachedBufferer;
 import com.simibubi.create.foundation.utility.AngleHelper;
@@ -62,7 +60,9 @@ public class TrackRenderer extends SafeBlockEntityRenderer<TrackBlockEntity> {
 			SegmentAngles segment = segments[i];
 			int light = LevelRenderer.getLightColor(level, segment.lightPosition.offset(tePosition));
 
-			CachedBufferer.partial(TRACK_TIE, air)
+			TrackMaterial.TrackModelHolder modelHolder = bc.getMaterial().getModelHolder();
+
+			CachedBufferer.partial(modelHolder.tie(), air)
 				.mulPose(segment.tieTransform.pose())
 				.mulNormal(segment.tieTransform.normal())
 				.light(light)
@@ -70,7 +70,7 @@ public class TrackRenderer extends SafeBlockEntityRenderer<TrackBlockEntity> {
 
 			for (boolean first : Iterate.trueAndFalse) {
 				Pose transform = segment.railTransforms.get(first);
-				CachedBufferer.partial(first ? TRACK_SEGMENT_LEFT : TRACK_SEGMENT_RIGHT, air)
+				CachedBufferer.partial(first ? modelHolder.segment_left() : modelHolder.segment_right(), air)
 					.mulPose(transform.pose())
 					.mulNormal(transform.normal())
 					.light(light)

src/main/java/com/simibubi/create/events/CommonEvents.java

@@ -62,9 +62,11 @@ import net.minecraftforge.eventbus.api.EventPriority;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
 import net.minecraftforge.fml.LogicalSide;
 import net.minecraftforge.fml.ModList;
+import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.fml.common.Mod.EventBusSubscriber;
 import net.minecraftforge.forgespi.language.IModFileInfo;
 import net.minecraftforge.forgespi.locating.IModFile;
+import net.minecraftforge.registries.NewRegistryEvent;
 
 @EventBusSubscriber
 public class CommonEvents {
@@ -90,7 +92,7 @@ public class CommonEvents {
 		ToolboxHandler.playerLogin(player);
 		Create.RAILWAYS.playerLogin(player);
 	}
-	
+
 	@SubscribeEvent
 	public static void playerLoggedOut(PlayerLoggedOutEvent event) {
 		Player player = event.getPlayer();
@@ -166,7 +168,7 @@ public class CommonEvents {
 	public static void onEntityEnterSection(EntityEvent.EnteringSection event) {
 		CarriageEntityHandler.onEntityEnterSection(event);
 	}
-	
+
 	@SubscribeEvent
 	public static void addReloadListeners(AddReloadListenerEvent event) {
 		event.addListener(RecipeFinder.LISTENER);
@@ -248,7 +250,5 @@ public class CommonEvents {
 				});
 			}
 		}
-
 	}
-
 }

src/main/java/com/simibubi/create/foundation/command/AllCommands.java

@@ -60,7 +60,8 @@ public class AllCommands {
 				.then(CameraDistanceCommand.register())
 				.then(CameraAngleCommand.register())
 				.then(FlySpeedCommand.register())
-				.then(KillTPSCommand.register())
+				//.then(DebugValueCommand.register())
+				//.then(KillTPSCommand.register())
 				.build();
 
 	}

src/main/java/com/simibubi/create/foundation/command/DebugValueCommand.java

@@ -0,0 +1,41 @@
+package com.simibubi.create.foundation.command;
+
+import com.mojang.brigadier.arguments.FloatArgumentType;
+
+import com.simibubi.create.Create;
+
+import net.minecraft.SharedConstants;
+
+import org.apache.commons.lang3.mutable.MutableInt;
+
+import com.mojang.brigadier.arguments.StringArgumentType;
+import com.mojang.brigadier.builder.ArgumentBuilder;
+import com.simibubi.create.foundation.utility.Components;
+
+import net.minecraft.commands.CommandSourceStack;
+import net.minecraft.commands.Commands;
+import net.minecraft.commands.arguments.coordinates.BlockPosArgument;
+import net.minecraft.core.BlockPos;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.BaseCommandBlock;
+import net.minecraft.world.level.block.CommandBlock;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.block.entity.CommandBlockEntity;
+import net.minecraft.world.level.block.state.BlockState;
+
+public class DebugValueCommand {
+
+	public static float value = 0;
+
+	public static ArgumentBuilder<CommandSourceStack, ?> register() {
+		return Commands.literal("debugValue")
+			.requires(cs -> cs.hasPermission(4))
+			.then(Commands.argument("value", FloatArgumentType.floatArg())
+					.executes((ctx) -> {
+						value = FloatArgumentType.getFloat(ctx, "value");
+						ctx.getSource().sendSuccess(Components.literal("Set value to: "+value), true);
+						return 1;
+					}));
+
+	}
+}

src/main/java/com/simibubi/create/foundation/config/CClient.java

@@ -77,6 +77,7 @@ public class CClient extends ConfigBase {
 	public final ConfigGroup trains = group(1, "trains", Comments.trains);
 	public final ConfigFloat mountedZoomMultiplier = f(3, 0, "mountedZoomMultiplier", Comments.mountedZoomMultiplier);
 	public final ConfigBool showTrackGraphOnF3 = b(false, "showTrackGraphOnF3", Comments.showTrackGraphOnF3);
+	public final ConfigBool showExtendedTrackGraphOnF3 = b(false, "showExtendedTrackGraphOnF3", Comments.showExtendedTrackGraphOnF3);
 
 	@Override
 	public String getName() {
@@ -147,6 +148,7 @@ public class CClient extends ConfigBase {
 		static String trains = "Railway related settings";
 		static String mountedZoomMultiplier = "How far away the Camera should zoom when seated on a train";
 		static String showTrackGraphOnF3 = "Display nodes and edges of a Railway Network while f3 debug mode is active";
+		static String showExtendedTrackGraphOnF3 = "Additionally display materials of a Rail Network while f3 debug mode is active";
 	}
 
 }

src/main/java/com/simibubi/create/foundation/data/BuilderTransformers.java

@@ -37,7 +37,7 @@ import com.simibubi.create.content.curiosities.frames.CopycatBlock;
 import com.simibubi.create.content.logistics.block.belts.tunnel.BeltTunnelBlock;
 import com.simibubi.create.content.logistics.block.belts.tunnel.BeltTunnelBlock.Shape;
 import com.simibubi.create.content.logistics.block.belts.tunnel.BeltTunnelItem;
-import com.simibubi.create.content.logistics.trains.IBogeyBlock;
+import com.simibubi.create.content.logistics.trains.AbstractBogeyBlock;
 import com.simibubi.create.content.logistics.trains.track.StandardBogeyBlock;
 import com.simibubi.create.foundation.block.BlockStressDefaults;
 import com.simibubi.create.foundation.block.ItemUseOverrides;
@@ -95,6 +95,7 @@ public class BuilderTransformers {
 			.build();
 	}
 
+	@SuppressWarnings("deprecation")
 	public static <B extends StandardBogeyBlock, P> NonNullUnaryOperator<BlockBuilder<B, P>> bogey() {
 		return b -> b.initialProperties(SharedProperties::softMetal)
 			.properties(p -> p.sound(SoundType.NETHERITE_BLOCK))
@@ -103,7 +104,7 @@ public class BuilderTransformers {
 			.blockstate((c, p) -> BlockStateGen.horizontalAxisBlock(c, p, s -> p.models()
 				.getExistingFile(p.modLoc("block/track/bogey/top"))))
 			.loot((p, l) -> p.dropOther(l, AllBlocks.RAILWAY_CASING.get()))
-			.onRegister(block -> IBogeyBlock.register(RegisteredObjects.getKeyOrThrow(block)));
+			.onRegister(block -> AbstractBogeyBlock.registerStandardBogey(RegisteredObjects.getKeyOrThrow(block)));
 	}
 
 	public static <B extends CopycatBlock, P> NonNullUnaryOperator<BlockBuilder<B, P>> copycat() {

src/main/java/com/simibubi/create/foundation/ponder/content/PonderIndex.java

@@ -3,6 +3,8 @@ package com.simibubi.create.foundation.ponder.content;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllItems;
 import com.simibubi.create.Create;
+import com.simibubi.create.content.logistics.trains.TrackMaterial;
+import com.simibubi.create.content.logistics.trains.track.TrackBlock;
 import com.simibubi.create.foundation.config.AllConfigs;
 import com.simibubi.create.foundation.ponder.PonderRegistrationHelper;
 import com.simibubi.create.foundation.ponder.PonderRegistry;
@@ -20,8 +22,15 @@ import com.simibubi.create.foundation.ponder.content.trains.TrainScenes;
 import com.simibubi.create.foundation.ponder.content.trains.TrainSignalScenes;
 import com.simibubi.create.foundation.ponder.content.trains.TrainStationScenes;
 
+import com.tterrag.registrate.util.entry.BlockEntry;
+import com.tterrag.registrate.util.entry.ItemProviderEntry;
+
 import net.minecraft.world.item.DyeColor;
 import net.minecraft.world.level.block.Blocks;
+import net.minecraftforge.registries.ForgeRegistries;
+import net.minecraftforge.registries.RegistryObject;
+
+import java.util.stream.Collectors;
 
 public class PonderIndex {
 
@@ -320,7 +329,12 @@ public class PonderIndex {
 			.addStoryBoard("threshold_switch", DetectorScenes::thresholdSwitch);
 
 		// Trains
-		HELPER.forComponents(AllBlocks.TRACK)
+		HELPER.forComponents(TrackMaterial.allBlocks().stream()
+						.map((trackSupplier) -> new BlockEntry<TrackBlock>(
+			// note: these blocks probably WON'T be in the Create Registrate, but a simple code trace reveals the Entry's registrate isn't used
+								Create.REGISTRATE,
+								RegistryObject.create(trackSupplier.get().getRegistryName(), ForgeRegistries.BLOCKS)))
+						.toList())
 			.addStoryBoard("train_track/placement", TrackScenes::placement)
 			.addStoryBoard("train_track/portal", TrackScenes::portal)
 			.addStoryBoard("train_track/chunks", TrackScenes::chunks);

src/main/java/com/simibubi/create/foundation/ponder/instruction/AnimateBlockEntityInstruction.java

@@ -7,7 +7,7 @@ import java.util.function.Function;
 import com.simibubi.create.content.contraptions.components.deployer.DeployerBlockEntity;
 import com.simibubi.create.content.contraptions.components.structureMovement.bearing.IBearingBlockEntity;
 import com.simibubi.create.content.contraptions.components.structureMovement.pulley.PulleyBlockEntity;
-import com.simibubi.create.content.logistics.trains.track.StandardBogeyBlockEntity;
+import com.simibubi.create.content.logistics.trains.track.AbstractBogeyBlockEntity;
 import com.simibubi.create.foundation.ponder.PonderScene;
 import com.simibubi.create.foundation.ponder.PonderWorld;
 
@@ -34,7 +34,7 @@ public class AnimateBlockEntityInstruction extends TickingInstruction {
 	public static AnimateBlockEntityInstruction bogey(BlockPos location, float totalDelta, int ticks) {
 		float movedPerTick = totalDelta / ticks;
 		return new AnimateBlockEntityInstruction(location, totalDelta, ticks,
-			(w, f) -> castIfPresent(w, location, StandardBogeyBlockEntity.class)
+			(w, f) -> castIfPresent(w, location, AbstractBogeyBlockEntity.class)
 				.ifPresent(bte -> bte.animate(f.equals(totalDelta) ? 0 : movedPerTick)),
 			(w) -> 0f);
 	}

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

@@ -45,4 +45,13 @@ public class Iterate {
 	public static List<BlockPos> hereBelowAndAbove(BlockPos pos) {
 		return Arrays.asList(pos, pos.below(), pos.above());
 	}
+
+	public static <T> T cycleValue(List<T> list, T current) {
+		int currentIndex = list.indexOf(current);
+		if (currentIndex == -1) {
+			throw new IllegalArgumentException("Current value not found in list");
+		}
+		int nextIndex = (currentIndex + 1) % list.size();
+		return list.get(nextIndex);
+	}
 }

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

@@ -13,6 +13,7 @@ import net.minecraft.nbt.FloatTag;
 import net.minecraft.nbt.IntTag;
 import net.minecraft.nbt.ListTag;
 import net.minecraft.nbt.Tag;
+import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.phys.AABB;
 
@@ -118,4 +119,12 @@ public class NBTHelper {
 		return compoundTag.getInt("V");
 	}
 
+	public static void writeResourceLocation(CompoundTag nbt, String key, ResourceLocation location) {
+		nbt.putString(key, location.toString());
+	}
+
+	public static ResourceLocation readResourceLocation(CompoundTag nbt, String key) {
+		return new ResourceLocation(nbt.getString(key));
+	}
+
 }

src/main/java/com/simibubi/create/foundation/utility/outliner/ItemOutline.java

@@ -0,0 +1,51 @@
+package com.simibubi.create.foundation.utility.outliner;
+
+import com.jozufozu.flywheel.util.transform.TransformStack;
+import com.mojang.blaze3d.vertex.PoseStack;
+import com.mojang.blaze3d.vertex.VertexConsumer;
+import com.simibubi.create.AllSpecialTextures;
+import com.simibubi.create.foundation.render.RenderTypes;
+import com.simibubi.create.foundation.render.SuperRenderTypeBuffer;
+import com.simibubi.create.foundation.utility.Iterate;
+import com.simibubi.create.foundation.utility.VecHelper;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.LightTexture;
+import net.minecraft.client.renderer.RenderType;
+import net.minecraft.client.renderer.block.model.ItemTransforms;
+import net.minecraft.client.renderer.texture.OverlayTexture;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
+import net.minecraft.core.Direction.Axis;
+import net.minecraft.core.Direction.AxisDirection;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.phys.Vec3;
+
+import java.util.*;
+
+public class ItemOutline extends Outline {
+
+	protected Vec3 pos;
+	protected ItemStack stack;
+
+	public ItemOutline(Vec3 pos, ItemStack stack) {
+		this.pos = pos;
+		this.stack = stack;
+	}
+
+	@Override
+	public void render(PoseStack ms, SuperRenderTypeBuffer buffer, Vec3 camera, float pt) {
+		Minecraft mc = Minecraft.getInstance();
+		ms.pushPose();
+
+		TransformStack.cast(ms)
+			.translate(pos.x - camera.x, pos.y - camera.y, pos.z - camera.z)
+			.scale(params.alpha);
+
+		mc.getItemRenderer().render(stack, ItemTransforms.TransformType.FIXED, false, ms,
+				buffer, LightTexture.FULL_BRIGHT, OverlayTexture.NO_OVERLAY,
+				mc.getItemRenderer().getModel(stack, null, null, 0));
+
+		ms.popPose();
+	}
+}

src/main/java/com/simibubi/create/foundation/utility/outliner/Outliner.java

@@ -14,6 +14,7 @@ import com.simibubi.create.foundation.utility.outliner.Outline.OutlineParams;
 
 import net.minecraft.core.BlockPos;
 import net.minecraft.util.Mth;
+import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.phys.AABB;
 import net.minecraft.world.phys.Vec3;
 
@@ -81,6 +82,13 @@ public class Outliner {
 
 	//
 
+	public OutlineParams showItem(Object slot, Vec3 pos, ItemStack stack) {
+		ItemOutline outline = new ItemOutline(pos, stack);
+		OutlineEntry entry = new OutlineEntry(outline);
+		outlines.put(slot, entry);
+		return entry.getOutline().getParams();
+	}
+
 	public void keep(Object slot) {
 		if (outlines.containsKey(slot))
 			outlines.get(slot).ticksTillRemoval = 1;

src/main/resources/assets/create/lang/default/interface.json

@@ -1002,8 +1002,14 @@
 
 	"create.contraption.minecart_contraption_too_big": "This Cart Contraption seems too big to pick up",
 	"create.contraption.minecart_contraption_illegal_pickup": "A mystical force is binding this Cart Contraption to the world",
-	
+
 	"enchantment.create.capacity.desc": "Increases Backtank air capacity.",
-  	"enchantment.create.potato_recovery.desc": "Potato Cannon projectiles have a chance to be reused."
+  "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"
 
 }