Flying the wheel away

build.gradle

@@ -104,10 +104,11 @@ repositories {
         name = "ModMaven"
         url = "https://modmaven.dev"
     }*/
-    maven {
+    // Expired SSL cert, prevents building
-        // location of the maven for Dynamic Trees
+//    maven {
-        url = 'https://harleyoconnor.com/maven'
+//        // location of the maven for Dynamic Trees
-    }
+//        url = 'https://harleyoconnor.com/maven'
+//    }
     maven {
         // location of the maven for Curios API
         url = "https://maven.theillusivec4.top/"
@@ -145,7 +146,7 @@ dependencies {
     jarJar("com.tterrag.registrate:Registrate:${registrate_version}") {
         jarJar.ranged(it, '[MC1.19.3-1.1.10,)')
     }
-    jarJar("com.jozufozu.flywheel:flywheel-forge-${flywheel_minecraft_version}:${flywheel_version}") {
+    jarJar("dev.engine_room.flywheel:flywheel-forge-${flywheel_minecraft_version}:${flywheel_version}") {
         jarJar.ranged(it, '[1.0,2.0)')
     }
 

gradle.properties

@@ -23,7 +23,7 @@ use_parchment = true
 # dependency versions
 registrate_version = MC1.20-1.3.3
 flywheel_minecraft_version = 1.20.1
-flywheel_version = 1.0.0-beta-89
+flywheel_version = 1.0.0-beta-97
 jei_minecraft_version = 1.20.1
 jei_version = 15.2.0.22
 curios_minecraft_version = 1.20.1

src/main/java/com/simibubi/create/content/contraptions/actors/harvester/HarvesterActorVisual.java

@@ -102,9 +102,4 @@ public class HarvesterActorVisual extends ActorVisual {
 	protected double getRotation() {
         return AngleHelper.angleLerp(AnimationTickHolder.getPartialTicks(), previousRotation, rotation);
     }
-
-	@Override
-	public void init(float partialTick) {
-
-	}
 }

src/main/java/com/simibubi/create/content/contraptions/actors/psi/PSIActorVisual.java

@@ -32,9 +32,4 @@ public class PSIActorVisual extends ActorVisual {
 	protected void _delete() {
 		instance.remove();
 	}
-
-	@Override
-	public void init(float partialTick) {
-
-	}
 }

src/main/java/com/simibubi/create/content/contraptions/actors/psi/PSIVisual.java

@@ -14,16 +14,12 @@ public class PSIVisual extends AbstractBlockEntityVisual<PortableStorageInterfac
 
 	private final PIInstance instance;
 
-	public PSIVisual(VisualizationContext visualizationContext, PortableStorageInterfaceBlockEntity blockEntity) {
+	public PSIVisual(VisualizationContext visualizationContext, PortableStorageInterfaceBlockEntity blockEntity, float partialTick) {
-		super(visualizationContext, blockEntity);
+		super(visualizationContext, blockEntity, partialTick);
 
 		instance = new PIInstance(visualizationContext.instancerProvider(), blockState, getVisualPosition());
-	}
 
-	@Override
-	public void init(float pt) {
 		instance.init(isLit());
-		super.init(pt);
 	}
 
 	@Override
@@ -37,7 +33,7 @@ public class PSIVisual extends AbstractBlockEntityVisual<PortableStorageInterfac
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
 		relight(pos, instance.middle, instance.top);
 	}
 

src/main/java/com/simibubi/create/content/contraptions/bearing/BearingVisual.java

@@ -27,8 +27,8 @@ public class BearingVisual<B extends KineticBlockEntity & IBearingBlockEntity> e
 	final Axis rotationAxis;
 	final Quaternionf blockOrientation;
 
-	public BearingVisual(VisualizationContext context, B blockEntity) {
+	public BearingVisual(VisualizationContext context, B blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 
 		Direction facing = blockState.getValue(BlockStateProperties.FACING);
 		rotationAxis = Axis.of(Direction.get(Direction.AxisDirection.POSITIVE, axis).step());
@@ -58,8 +58,8 @@ public class BearingVisual<B extends KineticBlockEntity & IBearingBlockEntity> e
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
-		super.updateLight();
+		super.updateLight(partialTick);
 		relight(pos, topInstance);
 	}
 

src/main/java/com/simibubi/create/content/contraptions/bearing/StabilizedBearingVisual.java

@@ -70,9 +70,4 @@ public class StabilizedBearingVisual extends ActorVisual {
 		topInstance.delete();
 		shaft.delete();
 	}
-
-	@Override
-	public void init(float partialTick) {
-
-	}
 }

src/main/java/com/simibubi/create/content/contraptions/chassis/StickerVisual.java

@@ -26,8 +26,8 @@ public class StickerVisual extends AbstractBlockEntityVisual<StickerBlockEntity>
 
 	private final TransformedInstance head;
 
-	public StickerVisual(VisualizationContext context, StickerBlockEntity blockEntity) {
+	public StickerVisual(VisualizationContext context, StickerBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 
 		head = instancerProvider.instancer(InstanceTypes.TRANSFORMED, Models.partial(AllPartialModels.STICKER_HEAD)).createInstance();
 
@@ -66,7 +66,7 @@ public class StickerVisual extends AbstractBlockEntityVisual<StickerBlockEntity>
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
 		relight(pos, head);
 	}
 

src/main/java/com/simibubi/create/content/contraptions/elevator/ElevatorPulleyVisual.java

@@ -8,8 +8,8 @@ import com.simibubi.create.content.kinetics.base.ShaftVisual;
 // TODO
 public class ElevatorPulleyVisual extends ShaftVisual<ElevatorPulleyBlockEntity> implements SimpleDynamicVisual {
 
-	public ElevatorPulleyVisual(VisualizationContext context, ElevatorPulleyBlockEntity blockEntity) {
+	public ElevatorPulleyVisual(VisualizationContext context, ElevatorPulleyBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 	}
 
 	@Override

src/main/java/com/simibubi/create/content/contraptions/gantry/GantryCarriageVisual.java

@@ -31,8 +31,8 @@ public class GantryCarriageVisual extends ShaftVisual<GantryCarriageBlockEntity>
 
 	private float lastAngle = Float.NaN;
 
-	public GantryCarriageVisual(VisualizationContext context, GantryCarriageBlockEntity blockEntity) {
+	public GantryCarriageVisual(VisualizationContext context, GantryCarriageBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 
 		gantryCogs = instancerProvider.instancer(InstanceTypes.TRANSFORMED, Models.partial(AllPartialModels.GANTRY_COGS))
 								 .createInstance();
@@ -98,7 +98,7 @@ public class GantryCarriageVisual extends ShaftVisual<GantryCarriageBlockEntity>
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
 		relight(pos, gantryCogs, rotatingModel);
 	}
 

src/main/java/com/simibubi/create/content/contraptions/pulley/AbstractPulleyVisual.java

@@ -2,13 +2,14 @@ package com.simibubi.create.content.contraptions.pulley;
 
 import java.util.function.Consumer;
 
+import com.simibubi.create.foundation.utility.flywheel.box.MutableBox;
+import com.simibubi.create.foundation.utility.flywheel.light.LightVolume;
+
 import dev.engine_room.flywheel.api.instance.Instance;
 import dev.engine_room.flywheel.api.instance.Instancer;
 import dev.engine_room.flywheel.api.visual.DynamicVisual;
 import dev.engine_room.flywheel.api.visualization.VisualizationContext;
-import dev.engine_room.flywheel.lib.box.MutableBox;
 import dev.engine_room.flywheel.lib.instance.OrientedInstance;
-import dev.engine_room.flywheel.lib.light.LightVolume;
 import dev.engine_room.flywheel.lib.visual.SimpleDynamicVisual;
 import com.mojang.math.Axis;
 import com.simibubi.create.content.kinetics.base.KineticBlockEntity;
@@ -34,8 +35,8 @@ public abstract class AbstractPulleyVisual<T extends KineticBlockEntity> extends
 	private final MutableBox volume = new MutableBox();
 	private final LightVolume light;
 
-	public AbstractPulleyVisual(VisualizationContext dispatcher, T blockEntity) {
+	public AbstractPulleyVisual(VisualizationContext dispatcher, T blockEntity, float partialTick) {
-		super(dispatcher, blockEntity);
+		super(dispatcher, blockEntity, partialTick);
 
 		rotatingAbout = Direction.get(Direction.AxisDirection.POSITIVE, axis);
 		rotationAxis = Axis.of(rotatingAbout.step());
@@ -109,8 +110,8 @@ public abstract class AbstractPulleyVisual<T extends KineticBlockEntity> extends
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
-		super.updateLight();
+		super.updateLight(partialTick);
 		light.copyLight(volume);
 		relight(pos, coil);
 	}

src/main/java/com/simibubi/create/content/contraptions/pulley/HosePulleyVisual.java

@@ -10,8 +10,8 @@ import com.simibubi.create.content.fluids.hosePulley.HosePulleyBlockEntity;
 
 public class HosePulleyVisual extends AbstractPulleyVisual<HosePulleyBlockEntity> {
 
-	public HosePulleyVisual(VisualizationContext dispatcher, HosePulleyBlockEntity blockEntity) {
+	public HosePulleyVisual(VisualizationContext dispatcher, HosePulleyBlockEntity blockEntity, float partialTick) {
-		super(dispatcher, blockEntity);
+		super(dispatcher, blockEntity, partialTick);
 	}
 
 	protected Instancer<OrientedInstance> getRopeModel() {

src/main/java/com/simibubi/create/content/contraptions/pulley/RopePulleyVisual.java

@@ -11,8 +11,8 @@ import com.simibubi.create.AllPartialModels;
 import com.simibubi.create.foundation.render.VirtualRenderHelper;
 
 public class RopePulleyVisual extends AbstractPulleyVisual<PulleyBlockEntity> {
-	public RopePulleyVisual(VisualizationContext context, PulleyBlockEntity blockEntity) {
+	public RopePulleyVisual(VisualizationContext context, PulleyBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 	}
 
 	protected Instancer<OrientedInstance> getRopeModel() {

src/main/java/com/simibubi/create/content/contraptions/render/ContraptionVisual.java

@@ -2,7 +2,12 @@ package com.simibubi.create.content.contraptions.render;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.function.LongConsumer;
+
+import dev.engine_room.flywheel.api.visual.LightUpdatedVisual;
+
+import dev.engine_room.flywheel.api.visual.ShaderLightVisual;
+import it.unimi.dsi.fastutil.longs.LongArraySet;
+import it.unimi.dsi.fastutil.longs.LongSet;
 
 import org.apache.commons.lang3.tuple.MutablePair;
 
@@ -10,7 +15,6 @@ import dev.engine_room.flywheel.api.model.Model;
 import dev.engine_room.flywheel.api.task.Plan;
 import dev.engine_room.flywheel.api.visual.BlockEntityVisual;
 import dev.engine_room.flywheel.api.visual.DynamicVisual;
-import dev.engine_room.flywheel.api.visual.LitVisual;
 import dev.engine_room.flywheel.api.visual.TickableVisual;
 import dev.engine_room.flywheel.api.visualization.BlockEntityVisualizer;
 import dev.engine_room.flywheel.api.visualization.VisualEmbedding;
@@ -44,7 +48,7 @@ import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.levelgen.structure.templatesystem.StructureTemplate;
 import net.minecraftforge.client.model.data.ModelData;
 
-public class ContraptionVisual<E extends AbstractContraptionEntity> extends AbstractEntityVisual<E> implements DynamicVisual, TickableVisual, LitVisual {
+public class ContraptionVisual<E extends AbstractContraptionEntity> extends AbstractEntityVisual<E> implements DynamicVisual, TickableVisual, LightUpdatedVisual, ShaderLightVisual {
 	protected static final int LIGHT_PADDING = 1;
 
 	protected final VisualEmbedding embedding;
@@ -55,18 +59,19 @@ public class ContraptionVisual<E extends AbstractContraptionEntity> extends Abst
 	protected VirtualRenderWorld virtualRenderWorld;
 	protected Model model;
 	protected TransformedInstance structure;
-	protected Notifier notifier;
+	protected SectionCollector sectionCollector;
 	protected long minSection, maxSection;
 	protected long minBlock, maxBlock;
 
 	private final PoseStack contraptionMatrix = new PoseStack();
 
-	public ContraptionVisual(VisualizationContext ctx, E entity) {
+	public ContraptionVisual(VisualizationContext ctx, E entity, float partialTick) {
-		super(ctx, entity);
+		super(ctx, entity, partialTick);
 		embedding = ctx.createEmbedding();
+
+		init(partialTick);
     }
 
-	@Override
 	public void init(float partialTick) {
 		setEmbeddingMatrices(partialTick);
 
@@ -97,7 +102,7 @@ public class ContraptionVisual<E extends AbstractContraptionEntity> extends Abst
 			setupActor(actor, partialTick);
 		}
 
-		updateLight();
+		updateLight(partialTick);
 	}
 
 	@SuppressWarnings("unchecked")
@@ -107,11 +112,9 @@ public class ContraptionVisual<E extends AbstractContraptionEntity> extends Abst
 			return;
 		}
 
-		Level world = be.getLevel();
+		Level level = be.getLevel();
 		be.setLevel(virtualRenderWorld);
-		BlockEntityVisual<? super T> visual = visualizer.createVisual(this.embedding, be);
+		BlockEntityVisual<? super T> visual = visualizer.createVisual(this.embedding, be, partialTicks);
-
-		visual.init(partialTicks);
 
 		children.add(visual);
 
@@ -123,7 +126,7 @@ public class ContraptionVisual<E extends AbstractContraptionEntity> extends Abst
 			tickableVisuals.add(tickable, tickable.planTick());
 		}
 
-		be.setLevel(world);
+		be.setLevel(level);
 	}
 
 	private void setupActor(MutablePair<StructureTemplate.StructureBlockInfo, MovementContext> actor, float partialTick) {
@@ -147,8 +150,6 @@ public class ContraptionVisual<E extends AbstractContraptionEntity> extends Abst
 			return;
 		}
 
-		visual.init(partialTick);
-
 		actors.add(visual);
 	}
 
@@ -174,14 +175,14 @@ public class ContraptionVisual<E extends AbstractContraptionEntity> extends Abst
 		setEmbeddingMatrices(partialTick);
 
 		if (hasMovedSections()) {
-			notifier.notifySectionsChanged();
+ 			sectionCollector.sections(collectLightSections());
 		}
 
 		if (hasMovedBlocks()) {
 			// TODO: incremental light collection
 			// TODO: optimize light collection for very large contraptions
 			//  by only collecting cuboids that contain faces
-			updateLight();
+			updateLight(partialTick);
 		}
 	}
 
@@ -198,27 +199,11 @@ public class ContraptionVisual<E extends AbstractContraptionEntity> extends Abst
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
-		embedding.invalidateLight();
+		super.update(partialTick);
-		// FIXME: Some blocks (e.g. large waterwheels) extend well beyond their actual block
-		//  and might have lighting issues here
-		var boundingBox = entity.getBoundingBox();
-
-		int minX = minLight(boundingBox.minX);
-		int minY = minLight(boundingBox.minY);
-		int minZ = minLight(boundingBox.minZ);
-		int maxX = maxLight(boundingBox.maxX);
-		int maxY = maxLight(boundingBox.maxY);
-		int maxZ = maxLight(boundingBox.maxZ);
-
-		minBlock = BlockPos.asLong(minX, minY, minZ);
-		maxBlock = BlockPos.asLong(maxX, maxY, maxZ);
-
-		embedding.collectLight(level, minX, minY, minZ, maxX - minX, maxY - minY, maxZ - minZ);
 	}
 
-	@Override
+	public LongSet collectLightSections() {
-	public void collectLightSections(LongConsumer consumer) {
 		var boundingBox = entity.getBoundingBox();
 
 		var minSectionX = minLightSection(boundingBox.minX);
@@ -231,13 +216,17 @@ public class ContraptionVisual<E extends AbstractContraptionEntity> extends Abst
 		minSection = SectionPos.asLong(minSectionX, minSectionY, minSectionZ);
 		maxSection = SectionPos.asLong(maxSectionX, maxSectionY, maxSectionZ);
 
+		LongSet longSet = new LongArraySet();
+
 		for (int x = 0; x <= maxSectionX - minSectionX; x++) {
 			for (int y = 0; y <= maxSectionY - minSectionY; y++) {
 				for (int z = 0; z <= maxSectionZ - minSectionZ; z++) {
-					consumer.accept(SectionPos.offset(minSection, x, y, z));
+					longSet.add(SectionPos.offset(minSection, x, y, z));
 				}
 			}
 		}
+
+		return longSet;
 	}
 
 	protected boolean hasMovedBlocks() {
@@ -267,8 +256,8 @@ public class ContraptionVisual<E extends AbstractContraptionEntity> extends Abst
 	}
 
 	@Override
-	public void initLightSectionNotifier(Notifier notifier) {
+	public void setSectionCollector(SectionCollector collector) {
-		this.notifier = notifier;
+		this.sectionCollector = collector;
 	}
 
 	@Override

src/main/java/com/simibubi/create/content/equipment/armor/BacktankVisual.java

@@ -7,8 +7,8 @@ import com.simibubi.create.content.kinetics.base.SingleRotatingVisual;
 
 public class BacktankVisual extends SingleRotatingVisual<BacktankBlockEntity> {
 
-	public BacktankVisual(VisualizationContext context, BacktankBlockEntity blockEntity) {
+	public BacktankVisual(VisualizationContext context, BacktankBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 	}
 
 	@Override

src/main/java/com/simibubi/create/content/equipment/toolbox/ToolBoxVisual.java

@@ -19,25 +19,20 @@ import net.minecraft.core.Direction;
 public class ToolBoxVisual extends AbstractBlockEntityVisual<ToolboxBlockEntity> implements SimpleDynamicVisual {
 
 	private final Direction facing;
-	private TransformedInstance lid;
+	private final TransformedInstance lid;
-	private TransformedInstance[] drawers;
+	private final TransformedInstance[] drawers;
 
-	public ToolBoxVisual(VisualizationContext context, ToolboxBlockEntity blockEntity) {
+	public ToolBoxVisual(VisualizationContext context, ToolboxBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 
 		facing = blockState.getValue(ToolboxBlock.FACING)
 				.getOpposite();
-	}
 
-	@Override
-	public void init(float pt) {
 		Instancer<TransformedInstance> drawerModel = instancerProvider.instancer(InstanceTypes.TRANSFORMED, Models.partial(AllPartialModels.TOOLBOX_DRAWER));
 
 		drawers = new TransformedInstance[]{drawerModel.createInstance(), drawerModel.createInstance()};
 		lid = instancerProvider.instancer(InstanceTypes.TRANSFORMED, Models.partial(AllPartialModels.TOOLBOX_LIDS.get(blockEntity.getColor())))
 				.createInstance();
-
-		super.init(pt);
 	}
 
 	@Override
@@ -78,7 +73,7 @@ public class ToolBoxVisual extends AbstractBlockEntityVisual<ToolboxBlockEntity>
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
 		relight(pos, drawers);
 		relight(pos, lid);
 	}

src/main/java/com/simibubi/create/content/fluids/pipes/valve/FluidValveVisual.java

@@ -26,8 +26,8 @@ public class FluidValveVisual extends ShaftVisual<FluidValveBlockEntity> impleme
     protected final double yRot;
     protected final int pointerRotationOffset;
 
-    public FluidValveVisual(VisualizationContext dispatcher, FluidValveBlockEntity blockEntity) {
+    public FluidValveVisual(VisualizationContext dispatcher, FluidValveBlockEntity blockEntity, float partialTick) {
-        super(dispatcher, blockEntity);
+        super(dispatcher, blockEntity, partialTick);
 
         Direction facing = blockState.getValue(FluidValveBlock.FACING);
 
@@ -75,8 +75,8 @@ public class FluidValveVisual extends ShaftVisual<FluidValveBlockEntity> impleme
 	}
 
     @Override
-    public void updateLight() {
+    public void updateLight(float partialTick) {
-        super.updateLight();
+        super.updateLight(partialTick);
         relight(pos, pointer);
     }
 

src/main/java/com/simibubi/create/content/fluids/pump/PumpCogVisual.java

@@ -12,8 +12,8 @@ import net.minecraft.world.level.block.state.properties.BlockStateProperties;
 
 public class PumpCogVisual extends SingleRotatingVisual<PumpBlockEntity> {
 
-	public PumpCogVisual(VisualizationContext context, PumpBlockEntity blockEntity) {
+	public PumpCogVisual(VisualizationContext context, PumpBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 	}
 
 	@Override

src/main/java/com/simibubi/create/content/kinetics/base/BackHalfShaftVisual.java

@@ -6,8 +6,8 @@ import net.minecraft.core.Direction;
 import net.minecraft.world.level.block.state.properties.BlockStateProperties;
 
 public class BackHalfShaftVisual<T extends KineticBlockEntity> extends HalfShaftVisual<T> {
-    public BackHalfShaftVisual(VisualizationContext context, T blockEntity) {
+    public BackHalfShaftVisual(VisualizationContext context, T blockEntity, float partialTick) {
-        super(context, blockEntity);
+        super(context, blockEntity, partialTick);
     }
 
     @Override

src/main/java/com/simibubi/create/content/kinetics/base/HalfShaftVisual.java

@@ -9,8 +9,8 @@ import net.minecraft.core.Direction;
 import net.minecraft.world.level.block.state.properties.BlockStateProperties;
 
 public class HalfShaftVisual<T extends KineticBlockEntity> extends SingleRotatingVisual<T> {
-    public HalfShaftVisual(VisualizationContext context, T blockEntity) {
+    public HalfShaftVisual(VisualizationContext context, T blockEntity, float partialTick) {
-        super(context, blockEntity);
+        super(context, blockEntity, partialTick);
     }
 
 	@Override

src/main/java/com/simibubi/create/content/kinetics/base/HorizontalHalfShaftVisual.java

@@ -7,8 +7,8 @@ import net.minecraft.world.level.block.state.properties.BlockStateProperties;
 
 public class HorizontalHalfShaftVisual<T extends KineticBlockEntity> extends HalfShaftVisual<T> {
 
-    public HorizontalHalfShaftVisual(VisualizationContext context, T blockEntity) {
+    public HorizontalHalfShaftVisual(VisualizationContext context, T blockEntity, float partialTick) {
-        super(context, blockEntity);
+        super(context, blockEntity, partialTick);
     }
 
     @Override

src/main/java/com/simibubi/create/content/kinetics/base/KineticBlockEntityVisual.java

@@ -14,8 +14,8 @@ public abstract class KineticBlockEntityVisual<T extends KineticBlockEntity> ext
 
 	protected final Direction.Axis axis;
 
-	public KineticBlockEntityVisual(VisualizationContext context, T blockEntity) {
+	public KineticBlockEntityVisual(VisualizationContext context, T blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 		axis = (blockState.getBlock() instanceof IRotate irotate) ? irotate.getRotationAxis(blockState) : Axis.Y;
 	}
 

src/main/java/com/simibubi/create/content/kinetics/base/KineticInstance.java

@@ -46,13 +46,13 @@ public class KineticInstance extends ColoredLitInstance {
         if (blockEntity.hasNetwork()) {
             setColor(Color.generateFromLong(blockEntity.network));
         }else {
-            setColor(0xFF, 0xFF, 0xFF);
+            color(0xFF, 0xFF, 0xFF);
         }
         return this;
     }
 
     public KineticInstance setColor(Color c) {
-    	setColor(c.getRed(), c.getGreen(), c.getBlue());
+    	color(c.getRed(), c.getGreen(), c.getBlue());
     	return this;
     }
 

src/main/java/com/simibubi/create/content/kinetics/base/ShaftVisual.java

@@ -6,8 +6,8 @@ import com.simibubi.create.foundation.render.VirtualRenderHelper;
 
 public class ShaftVisual<T extends KineticBlockEntity> extends SingleRotatingVisual<T> {
 
-	public ShaftVisual(VisualizationContext context, T blockEntity) {
+	public ShaftVisual(VisualizationContext context, T blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 	}
 
 	@Override

src/main/java/com/simibubi/create/content/kinetics/base/SingleRotatingVisual.java

@@ -13,16 +13,14 @@ public class SingleRotatingVisual<T extends KineticBlockEntity> extends KineticB
 
 	protected RotatingInstance rotatingModel;
 
-	public SingleRotatingVisual(VisualizationContext context, T blockEntity) {
+	public SingleRotatingVisual(VisualizationContext context, T blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 	}
 
-	@Override
 	public void init(float pt) {
 		rotatingModel = instancerProvider.instancer(AllInstanceTypes.ROTATING, model())
 				.createInstance();
 		setup(rotatingModel);
-		super.init(pt);
 	}
 
 	@Override
@@ -31,7 +29,7 @@ public class SingleRotatingVisual<T extends KineticBlockEntity> extends KineticB
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
 		relight(pos, rotatingModel);
 	}
 

src/main/java/com/simibubi/create/content/kinetics/belt/BeltBlockEntity.java

@@ -12,8 +12,6 @@ import java.util.Map;
 import java.util.Optional;
 import java.util.function.Function;
 
-import dev.engine_room.flywheel.lib.box.Box;
-import dev.engine_room.flywheel.lib.box.MutableBox;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.content.kinetics.base.IRotate;
 import com.simibubi.create.content.kinetics.base.KineticBlockEntity;
@@ -30,6 +28,9 @@ import com.simibubi.create.content.logistics.tunnel.BrassTunnelBlockEntity;
 import com.simibubi.create.foundation.blockEntity.behaviour.BlockEntityBehaviour;
 import com.simibubi.create.foundation.utility.NBTHelper;
 
+import com.simibubi.create.foundation.utility.flywheel.box.Box;
+import com.simibubi.create.foundation.utility.flywheel.box.MutableBox;
+
 import net.minecraft.client.renderer.LightTexture;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.BlockPos.MutableBlockPos;

src/main/java/com/simibubi/create/content/kinetics/belt/BeltVisual.java

@@ -3,6 +3,8 @@ package com.simibubi.create.content.kinetics.belt;
 import java.util.ArrayList;
 import java.util.function.Consumer;
 
+import dev.engine_room.flywheel.lib.instance.FlatLit;
+
 import org.joml.Quaternionf;
 
 import dev.engine_room.flywheel.api.instance.Instance;
@@ -38,8 +40,8 @@ public class BeltVisual extends KineticBlockEntityVisual<BeltBlockEntity> {
     protected ArrayList<BeltInstance> keys;
     protected RotatingInstance pulleyKey;
 
-    public BeltVisual(VisualizationContext context, BeltBlockEntity blockEntity) {
+    public BeltVisual(VisualizationContext context, BeltBlockEntity blockEntity, float partialTick) {
-        super(context, blockEntity);
+        super(context, blockEntity, partialTick);
 
         if (!AllBlocks.BELT.has(blockState))
             return;
@@ -99,8 +101,8 @@ public class BeltVisual extends KineticBlockEntityVisual<BeltBlockEntity> {
     }
 
     @Override
-    public void updateLight() {
+    public void updateLight(float partialTick) {
-        relight(pos, keys.stream());
+        relight(pos, keys.toArray(FlatLit[]::new));
 
         if (pulleyKey != null) relight(pos, pulleyKey);
     }

src/main/java/com/simibubi/create/content/kinetics/crafter/ShaftlessCogwheelVisual.java

@@ -13,8 +13,8 @@ import net.minecraft.core.Direction;
 
 public class ShaftlessCogwheelVisual extends SingleRotatingVisual<KineticBlockEntity> {
 
-    public ShaftlessCogwheelVisual(VisualizationContext context, KineticBlockEntity blockEntity) {
+    public ShaftlessCogwheelVisual(VisualizationContext context, KineticBlockEntity blockEntity, float partialTick) {
-        super(context, blockEntity);
+        super(context, blockEntity, partialTick);
     }
 
 	@Override

src/main/java/com/simibubi/create/content/kinetics/crank/HandCrankVisual.java

@@ -16,15 +16,22 @@ import net.minecraft.world.level.block.state.properties.BlockStateProperties;
 
 public class HandCrankVisual extends SingleRotatingVisual<HandCrankBlockEntity> implements SimpleDynamicVisual {
 
-	private TransformedInstance crank;
+	private final TransformedInstance crank;
-	private Direction facing;
+	private final Direction facing;
 
-	public HandCrankVisual(VisualizationContext modelManager, HandCrankBlockEntity blockEntity) {
+	public HandCrankVisual(VisualizationContext modelManager, HandCrankBlockEntity blockEntity, float partialTick) {
-		super(modelManager, blockEntity);
+		super(modelManager, blockEntity, partialTick);
 		facing = blockState.getValue(BlockStateProperties.FACING);
 		Model model = blockEntity.getRenderedHandleInstance();
 		crank = instancerProvider.instancer(InstanceTypes.TRANSFORMED, model)
 				.createInstance();
+
+		rotateCrank(partialTick);
+
+		if (blockEntity.shouldRenderShaft())
+			setup(rotatingModel);
+
+		updateLight(partialTick);
 	}
 
 	@Override
@@ -47,17 +54,6 @@ public class HandCrankVisual extends SingleRotatingVisual<HandCrankBlockEntity>
 			.setChanged();
 	}
 
-	@Override
-	public void init(float pt) {
-		rotateCrank(pt);
-
-		// FIXME: need to call super.super.init here
-		if (blockEntity.shouldRenderShaft())
-			super.init(pt);
-
-		updateLight();
-	}
-
 	@Override
 	protected void _delete() {
 		if (blockEntity.shouldRenderShaft())
@@ -73,9 +69,9 @@ public class HandCrankVisual extends SingleRotatingVisual<HandCrankBlockEntity>
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
 		if (blockEntity.shouldRenderShaft())
-			super.updateLight();
+			super.updateLight(partialTick);
 		if (crank != null)
 			relight(pos, crank);
 	}

src/main/java/com/simibubi/create/content/kinetics/deployer/DeployerActorVisual.java

@@ -124,9 +124,4 @@ public class DeployerActorVisual extends ActorVisual {
 		hand.delete();
 		shaft.delete();
 	}
-
-	@Override
-	public void init(float partialTick) {
-
-	}
 }

src/main/java/com/simibubi/create/content/kinetics/deployer/DeployerVisual.java

@@ -41,8 +41,8 @@ public class DeployerVisual extends ShaftVisual<DeployerBlockEntity> implements
     PartialModel currentHand;
     float progress;
 
-    public DeployerVisual(VisualizationContext context, DeployerBlockEntity blockEntity) {
+    public DeployerVisual(VisualizationContext context, DeployerBlockEntity blockEntity, float partialTick) {
-        super(context, blockEntity);
+        super(context, blockEntity, partialTick);
 
         facing = blockState.getValue(FACING);
 
@@ -57,16 +57,11 @@ public class DeployerVisual extends ShaftVisual<DeployerBlockEntity> implements
 		currentHand = this.blockEntity.getHandPose();
 
 		hand = instancerProvider.instancer(InstanceTypes.ORIENTED, Models.partial(currentHand)).createInstance();
-    }
 
-	@Override
+		progress = getProgress(partialTick);
-	public void init(float pt) {
-		progress = getProgress(pt);
 		updateRotation(pole, hand, yRot, xRot, zRot);
 		updatePosition();
-
+    }
-		super.init(pt);
-	}
 
 	@Override
     public void tick(TickableVisual.Context context) {
@@ -91,8 +86,8 @@ public class DeployerVisual extends ShaftVisual<DeployerBlockEntity> implements
     }
 
     @Override
-    public void updateLight() {
+    public void updateLight(float partialTick) {
-        super.updateLight();
+        super.updateLight(partialTick);
         relight(pos, hand, pole);
     }
 

src/main/java/com/simibubi/create/content/kinetics/drill/DrillActorVisual.java

@@ -66,9 +66,4 @@ public class DrillActorVisual extends ActorVisual {
 	protected void _delete() {
 		drillHead.delete();
 	}
-
-	@Override
-	public void init(float partialTick) {
-
-	}
 }

src/main/java/com/simibubi/create/content/kinetics/drill/DrillVisual.java

@@ -11,8 +11,8 @@ import net.minecraft.world.level.block.state.properties.BlockStateProperties;
 
 public class DrillVisual extends SingleRotatingVisual<DrillBlockEntity> {
 
-    public DrillVisual(VisualizationContext context, DrillBlockEntity blockEntity) {
+    public DrillVisual(VisualizationContext context, DrillBlockEntity blockEntity, float partialTick) {
-        super(context, blockEntity);
+        super(context, blockEntity, partialTick);
     }
 
 	@Override

src/main/java/com/simibubi/create/content/kinetics/fan/FanVisual.java

@@ -23,8 +23,8 @@ public class FanVisual extends KineticBlockEntityVisual<EncasedFanBlockEntity> {
     final Direction direction;
     private final Direction opposite;
 
-    public FanVisual(VisualizationContext context, EncasedFanBlockEntity blockEntity) {
+    public FanVisual(VisualizationContext context, EncasedFanBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 
 		direction = blockState.getValue(FACING);
 
@@ -53,7 +53,7 @@ public class FanVisual extends KineticBlockEntityVisual<EncasedFanBlockEntity> {
     }
 
     @Override
-    public void updateLight() {
+    public void updateLight(float partialTick) {
         BlockPos behind = pos.relative(opposite);
         relight(behind, shaft);
 

src/main/java/com/simibubi/create/content/kinetics/flywheel/FlywheelVisual.java

@@ -24,8 +24,8 @@ public class FlywheelVisual extends KineticBlockEntityVisual<FlywheelBlockEntity
 	protected final TransformedInstance wheel;
 	protected float lastAngle = Float.NaN;
 
-	public FlywheelVisual(VisualizationContext context, FlywheelBlockEntity blockEntity) {
+	public FlywheelVisual(VisualizationContext context, FlywheelBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 
 		shaft = setup(instancerProvider.instancer(AllInstanceTypes.ROTATING, VirtualRenderHelper.blockModel(shaft()))
 			.createInstance());
@@ -70,7 +70,7 @@ public class FlywheelVisual extends KineticBlockEntityVisual<FlywheelBlockEntity
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
 		relight(pos, shaft, wheel);
 	}
 

src/main/java/com/simibubi/create/content/kinetics/gauge/GaugeVisual.java

@@ -7,6 +7,7 @@ import dev.engine_room.flywheel.api.instance.Instance;
 import dev.engine_room.flywheel.api.instance.Instancer;
 import dev.engine_room.flywheel.api.visual.DynamicVisual;
 import dev.engine_room.flywheel.api.visualization.VisualizationContext;
+import dev.engine_room.flywheel.lib.instance.FlatLit;
 import dev.engine_room.flywheel.lib.instance.InstanceTypes;
 import dev.engine_room.flywheel.lib.instance.TransformedInstance;
 import dev.engine_room.flywheel.lib.model.Models;
@@ -28,12 +29,13 @@ public abstract class GaugeVisual extends ShaftVisual<GaugeBlockEntity> implemen
 
     protected final PoseStack ms = new PoseStack();
 
-    protected GaugeVisual(VisualizationContext context, GaugeBlockEntity blockEntity) {
+    protected GaugeVisual(VisualizationContext context, GaugeBlockEntity blockEntity, float partialTick) {
-        super(context, blockEntity);
+        super(context, blockEntity, partialTick);
+
+		init(partialTick);
     }
 
-	@Override
+	public void init(float partialTick) {
-	public void init(float pt) {
 		GaugeBlock gaugeBlock = (GaugeBlock) blockState.getBlock();
 
 		Instancer<TransformedInstance> dialModel = instancerProvider.instancer(InstanceTypes.TRANSFORMED, Models.partial(AllPartialModels.GAUGE_DIAL));
@@ -54,8 +56,6 @@ public abstract class GaugeVisual extends ShaftVisual<GaugeBlockEntity> implemen
 
 			face.setupTransform(msr, progress);
 		}
-
-		super.init(pt);
 	}
 
 	private DialFace makeFace(Direction face, Instancer<TransformedInstance> dialModel, Instancer<TransformedInstance> headModel) {
@@ -77,11 +77,11 @@ public abstract class GaugeVisual extends ShaftVisual<GaugeBlockEntity> implemen
     }
 
     @Override
-    public void updateLight() {
+    public void updateLight(float partialTick) {
-        super.updateLight();
+        super.updateLight(partialTick);
 
         relight(pos, faces.stream()
-                          .flatMap(Couple::stream));
+				.flatMap(Couple::stream).toArray(FlatLit[]::new));
     }
 
     @Override
@@ -155,8 +155,8 @@ public abstract class GaugeVisual extends ShaftVisual<GaugeBlockEntity> implemen
     }
 
     public static class Speed extends GaugeVisual {
-        public Speed(VisualizationContext context, GaugeBlockEntity blockEntity) {
+        public Speed(VisualizationContext context, GaugeBlockEntity blockEntity, float partialTick) {
-            super(context, blockEntity);
+            super(context, blockEntity, partialTick);
         }
 
         @Override
@@ -166,8 +166,8 @@ public abstract class GaugeVisual extends ShaftVisual<GaugeBlockEntity> implemen
     }
 
     public static class Stress extends GaugeVisual {
-        public Stress(VisualizationContext context, GaugeBlockEntity blockEntity) {
+        public Stress(VisualizationContext context, GaugeBlockEntity blockEntity, float partialTick) {
-            super(context, blockEntity);
+            super(context, blockEntity, partialTick);
         }
 
         @Override

src/main/java/com/simibubi/create/content/kinetics/gearbox/GearboxVisual.java

@@ -7,6 +7,7 @@ import java.util.function.Consumer;
 import dev.engine_room.flywheel.api.instance.Instance;
 import dev.engine_room.flywheel.api.visualization.VisualizationContext;
 import dev.engine_room.flywheel.lib.instance.AbstractInstance;
+import dev.engine_room.flywheel.lib.instance.FlatLit;
 import dev.engine_room.flywheel.lib.model.Models;
 import com.simibubi.create.AllPartialModels;
 import com.simibubi.create.content.kinetics.base.KineticBlockEntityVisual;
@@ -24,8 +25,8 @@ public class GearboxVisual extends KineticBlockEntityVisual<GearboxBlockEntity>
     protected final EnumMap<Direction, RotatingInstance> keys;
     protected Direction sourceFacing;
 
-    public GearboxVisual(VisualizationContext context, GearboxBlockEntity blockEntity) {
+    public GearboxVisual(VisualizationContext context, GearboxBlockEntity blockEntity, float partialTick) {
-        super(context, blockEntity);
+        super(context, blockEntity, partialTick);
 
         keys = new EnumMap<>(Direction.class);
 
@@ -87,8 +88,8 @@ public class GearboxVisual extends KineticBlockEntityVisual<GearboxBlockEntity>
     }
 
     @Override
-    public void updateLight() {
+    public void updateLight(float partialTick) {
-        relight(pos, keys.values().stream());
+        relight(pos, keys.values().toArray(FlatLit[]::new));
     }
 
     @Override

src/main/java/com/simibubi/create/content/kinetics/mechanicalArm/ArmVisual.java

@@ -9,6 +9,7 @@ import dev.engine_room.flywheel.api.model.Model;
 import dev.engine_room.flywheel.api.visual.DynamicVisual;
 import dev.engine_room.flywheel.api.visualization.VisualizationContext;
 import dev.engine_room.flywheel.lib.instance.AbstractInstance;
+import dev.engine_room.flywheel.lib.instance.FlatLit;
 import dev.engine_room.flywheel.lib.instance.InstanceTypes;
 import dev.engine_room.flywheel.lib.instance.TransformedInstance;
 import dev.engine_room.flywheel.lib.model.Models;
@@ -45,8 +46,8 @@ public class ArmVisual extends SingleRotatingVisual<ArmBlockEntity> implements S
 	private float upperArmAngle = Float.NaN;
 	private float headAngle = Float.NaN;
 
-	public ArmVisual(VisualizationContext context, ArmBlockEntity blockEntity) {
+	public ArmVisual(VisualizationContext context, ArmBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 
 		base = instancerProvider.instancer(InstanceTypes.TRANSFORMED, Models.partial(AllPartialModels.ARM_BASE))
 			.createInstance();
@@ -131,12 +132,12 @@ public class ArmVisual extends SingleRotatingVisual<ArmBlockEntity> implements S
 
 		ArmRenderer.transformLowerArm(msr, lowerArmAngle);
 		lowerBody.setTransform(msLocal)
-			.setColor(color)
+			.color(color)
 			.setChanged();
 
 		ArmRenderer.transformUpperArm(msr, upperArmAngle);
 		upperBody.setTransform(msLocal)
-			.setColor(color)
+			.color(color)
 			.setChanged();
 
 		ArmRenderer.transformHead(msr, headAngle);
@@ -177,15 +178,15 @@ public class ArmVisual extends SingleRotatingVisual<ArmBlockEntity> implements S
 		claw = instancerProvider.instancer(InstanceTypes.TRANSFORMED, Models.partial(blockEntity.goggles ? AllPartialModels.ARM_CLAW_BASE_GOGGLES : AllPartialModels.ARM_CLAW_BASE))
 				.createInstance();
 		models.add(claw);
-		updateLight();
+		updateLight(pt);
 		animateArm();
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
-		super.updateLight();
+		super.updateLight(partialTick);
 
-		relight(pos, models.stream());
+		relight(pos, models.toArray(FlatLit[]::new));
 	}
 
 	@Override

src/main/java/com/simibubi/create/content/kinetics/millstone/MillstoneCogVisual.java

@@ -8,8 +8,8 @@ import com.simibubi.create.content.kinetics.base.SingleRotatingVisual;
 
 public class MillstoneCogVisual extends SingleRotatingVisual<MillstoneBlockEntity> {
 
-    public MillstoneCogVisual(VisualizationContext context, MillstoneBlockEntity blockEntity) {
+    public MillstoneCogVisual(VisualizationContext context, MillstoneBlockEntity blockEntity, float partialTick) {
-        super(context, blockEntity);
+        super(context, blockEntity, partialTick);
     }
 
 	@Override

src/main/java/com/simibubi/create/content/kinetics/mixer/MixerVisual.java

@@ -23,8 +23,8 @@ public class MixerVisual extends EncasedCogVisual implements SimpleDynamicVisual
 	private final OrientedInstance mixerPole;
 	private final MechanicalMixerBlockEntity mixer;
 
-	public MixerVisual(VisualizationContext context, MechanicalMixerBlockEntity blockEntity) {
+	public MixerVisual(VisualizationContext context, MechanicalMixerBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity, false);
+		super(context, blockEntity, false, partialTick);
 		this.mixer = blockEntity;
 
 		mixerHead = instancerProvider.instancer(AllInstanceTypes.ROTATING, Models.partial(AllPartialModels.MECHANICAL_MIXER_HEAD))
@@ -34,13 +34,8 @@ public class MixerVisual extends EncasedCogVisual implements SimpleDynamicVisual
 
 		mixerPole = instancerProvider.instancer(InstanceTypes.ORIENTED, Models.partial(AllPartialModels.MECHANICAL_MIXER_POLE))
 				.createInstance();
-	}
 
-	@Override
+		animate(partialTick);
-	public void init(float pt) {
-		super.init(pt);
-
-		animate(pt);
 	}
 
 	@Override
@@ -76,8 +71,8 @@ public class MixerVisual extends EncasedCogVisual implements SimpleDynamicVisual
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
-		super.updateLight();
+		super.updateLight(partialTick);
 
 		relight(pos.below(), mixerHead);
 		relight(pos, mixerPole);

src/main/java/com/simibubi/create/content/kinetics/press/PressVisual.java

@@ -20,8 +20,8 @@ public class PressVisual extends ShaftVisual<MechanicalPressBlockEntity> impleme
 
 	private final OrientedInstance pressHead;
 
-	public PressVisual(VisualizationContext context, MechanicalPressBlockEntity blockEntity) {
+	public PressVisual(VisualizationContext context, MechanicalPressBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 
 		pressHead = instancerProvider.instancer(InstanceTypes.ORIENTED, Models.partial(AllPartialModels.MECHANICAL_PRESS_HEAD))
 				.createInstance();
@@ -30,13 +30,8 @@ public class PressVisual extends ShaftVisual<MechanicalPressBlockEntity> impleme
 			.rotationDegrees(AngleHelper.horizontalAngle(blockState.getValue(MechanicalPressBlock.HORIZONTAL_FACING)));
 
 		pressHead.setRotation(q);
-	}
 
-	@Override
+		transformModels(partialTick);
-	public void init(float pt) {
-		super.init(pt);
-
-		transformModels(pt);
 	}
 
 	@Override
@@ -59,8 +54,8 @@ public class PressVisual extends ShaftVisual<MechanicalPressBlockEntity> impleme
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
-		super.updateLight();
+		super.updateLight(partialTick);
 
 		relight(pos, pressHead);
 	}

src/main/java/com/simibubi/create/content/kinetics/saw/SawVisual.java

@@ -14,8 +14,8 @@ import net.minecraft.world.level.block.state.properties.BlockStateProperties;
 
 public class SawVisual extends SingleRotatingVisual<SawBlockEntity> {
 
-	public SawVisual(VisualizationContext context, SawBlockEntity blockEntity) {
+	public SawVisual(VisualizationContext context, SawBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 	}
 
 	@Override

src/main/java/com/simibubi/create/content/kinetics/simpleRelays/BracketedKineticBlockEntityVisual.java

@@ -24,12 +24,13 @@ public class BracketedKineticBlockEntityVisual extends SingleRotatingVisual<Brac
 
 	protected RotatingInstance additionalShaft;
 
-	public BracketedKineticBlockEntityVisual(VisualizationContext context, BracketedKineticBlockEntity blockEntity) {
+	public BracketedKineticBlockEntityVisual(VisualizationContext context, BracketedKineticBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
+
+		init(partialTick);
 	}
 
-	@Override
+	public void init(float partialTick) {
-	public void init(float pt) {
         if (ICogWheel.isLargeCog(blockEntity.getBlockState())) {
 			// Large cogs sometimes have to offset their teeth by 11.25 degrees in order to
             // mesh properly
@@ -45,7 +46,6 @@ public class BracketedKineticBlockEntityVisual extends SingleRotatingVisual<Brac
             additionalShaft.setRotationOffset(offset)
                 .setChanged();
         }
-		super.init(pt);
 	}
 
 	@Override
@@ -77,8 +77,8 @@ public class BracketedKineticBlockEntityVisual extends SingleRotatingVisual<Brac
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
-		super.updateLight();
+		super.updateLight(partialTick);
 		if (additionalShaft != null)
 			relight(pos, additionalShaft);
 	}

src/main/java/com/simibubi/create/content/kinetics/simpleRelays/encased/EncasedCogVisual.java

@@ -29,27 +29,28 @@ import net.minecraft.world.level.block.state.properties.BlockStateProperties;
 
 public class EncasedCogVisual extends KineticBlockEntityVisual<KineticBlockEntity> {
 
-	private boolean large;
+	private final boolean large;
 
 	protected RotatingInstance rotatingModel;
 	protected Optional<RotatingInstance> rotatingTopShaft;
 	protected Optional<RotatingInstance> rotatingBottomShaft;
 
-	public static EncasedCogVisual small(VisualizationContext modelManager, KineticBlockEntity blockEntity) {
+	public static EncasedCogVisual small(VisualizationContext modelManager, KineticBlockEntity blockEntity, float partialTick) {
-		return new EncasedCogVisual(modelManager, blockEntity, false);
+		return new EncasedCogVisual(modelManager, blockEntity, false, partialTick);
 	}
 
-	public static EncasedCogVisual large(VisualizationContext modelManager, KineticBlockEntity blockEntity) {
+	public static EncasedCogVisual large(VisualizationContext modelManager, KineticBlockEntity blockEntity, float partialTick) {
-		return new EncasedCogVisual(modelManager, blockEntity, true);
+		return new EncasedCogVisual(modelManager, blockEntity, true, partialTick);
 	}
 
-	public EncasedCogVisual(VisualizationContext modelManager, KineticBlockEntity blockEntity, boolean large) {
+	public EncasedCogVisual(VisualizationContext modelManager, KineticBlockEntity blockEntity, boolean large, float partialTick) {
-		super(modelManager, blockEntity);
+		super(modelManager, blockEntity, partialTick);
 		this.large = large;
+
+		init(partialTick);
 	}
 
-	@Override
+	public void init(float partialTick) {
-	public void init(float pt) {
         var instancer = instancerProvider.instancer(AllInstanceTypes.ROTATING, getCogModel());
 		rotatingModel = setup(instancer.createInstance());
 
@@ -72,8 +73,6 @@ public class EncasedCogVisual extends KineticBlockEntityVisual<KineticBlockEntit
 			else
 				rotatingBottomShaft = Optional.of(data);
 		}
-
-		super.init(pt);
 	}
 
 	@Override
@@ -84,7 +83,7 @@ public class EncasedCogVisual extends KineticBlockEntityVisual<KineticBlockEntit
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
 		relight(pos, rotatingModel);
 		rotatingTopShaft.ifPresent(d -> relight(pos, d));
 		rotatingBottomShaft.ifPresent(d -> relight(pos, d));

src/main/java/com/simibubi/create/content/kinetics/steamEngine/SteamEngineVisual.java

@@ -24,8 +24,8 @@ public class SteamEngineVisual extends AbstractBlockEntityVisual<SteamEngineBloc
 	protected final TransformedInstance linkage;
 	protected final TransformedInstance connector;
 
-	public SteamEngineVisual(VisualizationContext context, SteamEngineBlockEntity blockEntity) {
+	public SteamEngineVisual(VisualizationContext context, SteamEngineBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 
 		piston = instancerProvider.instancer(InstanceTypes.TRANSFORMED, Models.partial(AllPartialModels.ENGINE_PISTON))
 				.createInstance();
@@ -91,7 +91,7 @@ public class SteamEngineVisual extends AbstractBlockEntityVisual<SteamEngineBloc
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
 		relight(pos, piston, linkage, connector);
 	}
 

src/main/java/com/simibubi/create/content/kinetics/transmission/SplitShaftVisual.java

@@ -6,6 +6,7 @@ import java.util.function.Consumer;
 import dev.engine_room.flywheel.api.instance.Instance;
 import dev.engine_room.flywheel.api.visualization.VisualizationContext;
 import dev.engine_room.flywheel.lib.instance.AbstractInstance;
+import dev.engine_room.flywheel.lib.instance.FlatLit;
 import dev.engine_room.flywheel.lib.model.Models;
 import com.simibubi.create.AllPartialModels;
 import com.simibubi.create.content.kinetics.base.IRotate;
@@ -21,8 +22,8 @@ public class SplitShaftVisual extends KineticBlockEntityVisual<SplitShaftBlockEn
 
     protected final ArrayList<RotatingInstance> keys;
 
-    public SplitShaftVisual(VisualizationContext modelManager, SplitShaftBlockEntity blockEntity) {
+    public SplitShaftVisual(VisualizationContext modelManager, SplitShaftBlockEntity blockEntity, float partialTick) {
-        super(modelManager, blockEntity);
+        super(modelManager, blockEntity, partialTick);
 
         keys = new ArrayList<>(2);
 
@@ -52,8 +53,8 @@ public class SplitShaftVisual extends KineticBlockEntityVisual<SplitShaftBlockEn
     }
 
     @Override
-    public void updateLight() {
+    public void updateLight(float partialTick) {
-        relight(pos, keys.stream());
+        relight(pos, keys.toArray(FlatLit[]::new));
     }
 
     @Override

src/main/java/com/simibubi/create/content/kinetics/waterwheel/WaterWheelVisual.java

@@ -25,23 +25,19 @@ public class WaterWheelVisual<T extends WaterWheelBlockEntity> extends KineticBl
 	protected BlockState lastMaterial;
 	protected RotatingInstance rotatingModel;
 
-	public WaterWheelVisual(VisualizationContext context, T blockEntity, boolean large) {
+	public WaterWheelVisual(VisualizationContext context, T blockEntity, boolean large, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 		this.large = large;
-	}
 
-	public static <T extends WaterWheelBlockEntity> WaterWheelVisual<T> standard(VisualizationContext context, T blockEntity) {
-		return new WaterWheelVisual<>(context, blockEntity, false);
-	}
-
-	public static <T extends WaterWheelBlockEntity> WaterWheelVisual<T> large(VisualizationContext context, T blockEntity) {
-		return new WaterWheelVisual<>(context, blockEntity, true);
-	}
-
-	@Override
-	public void init(float pt) {
 		setupInstance();
-		super.init(pt);
+	}
+
+	public static <T extends WaterWheelBlockEntity> WaterWheelVisual<T> standard(VisualizationContext context, T blockEntity, float partialTick) {
+		return new WaterWheelVisual<>(context, blockEntity, false, partialTick);
+	}
+
+	public static <T extends WaterWheelBlockEntity> WaterWheelVisual<T> large(VisualizationContext context, T blockEntity, float partialTick) {
+		return new WaterWheelVisual<>(context, blockEntity, true, partialTick);
 	}
 
 	private void setupInstance() {
@@ -62,7 +58,7 @@ public class WaterWheelVisual<T extends WaterWheelBlockEntity> extends KineticBl
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
 		relight(pos, rotatingModel);
 	}
 

src/main/java/com/simibubi/create/content/logistics/depot/EjectorVisual.java

@@ -18,17 +18,12 @@ public class EjectorVisual extends ShaftVisual<EjectorBlockEntity> implements Si
 
 	private float lastProgress = Float.NaN;
 
-	public EjectorVisual(VisualizationContext dispatcher, EjectorBlockEntity blockEntity) {
+	public EjectorVisual(VisualizationContext dispatcher, EjectorBlockEntity blockEntity, float partialTick) {
-		super(dispatcher, blockEntity);
+		super(dispatcher, blockEntity, partialTick);
 
 		plate = instancerProvider.instancer(InstanceTypes.TRANSFORMED, Models.partial(AllPartialModels.EJECTOR_TOP)).createInstance();
-	}
 
-	@Override
+		pivotPlate(getLidProgress(partialTick));
-	public void init(float pt) {
-		pivotPlate(getLidProgress(pt));
-
-		super.init(pt);
 	}
 
 	@Override
@@ -44,8 +39,8 @@ public class EjectorVisual extends ShaftVisual<EjectorBlockEntity> implements Si
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
-		super.updateLight();
+		super.updateLight(partialTick);
 		relight(pos, plate);
 	}
 

src/main/java/com/simibubi/create/content/logistics/funnel/FunnelVisual.java

@@ -8,6 +8,7 @@ import dev.engine_room.flywheel.api.instance.Instancer;
 import dev.engine_room.flywheel.api.visual.DynamicVisual;
 import dev.engine_room.flywheel.api.visualization.VisualizationContext;
 import dev.engine_room.flywheel.lib.instance.AbstractInstance;
+import dev.engine_room.flywheel.lib.instance.FlatLit;
 import dev.engine_room.flywheel.lib.model.Models;
 import dev.engine_room.flywheel.lib.model.baked.PartialModel;
 import dev.engine_room.flywheel.lib.visual.AbstractBlockEntityVisual;
@@ -24,8 +25,8 @@ public class FunnelVisual extends AbstractBlockEntityVisual<FunnelBlockEntity> i
 
 	private final ArrayList<FlapInstance> flaps;
 
-    public FunnelVisual(VisualizationContext context, FunnelBlockEntity blockEntity) {
+    public FunnelVisual(VisualizationContext context, FunnelBlockEntity blockEntity, float partialTick) {
-        super(context, blockEntity);
+        super(context, blockEntity, partialTick);
 
         flaps = new ArrayList<>(4);
 
@@ -76,9 +77,9 @@ public class FunnelVisual extends AbstractBlockEntityVisual<FunnelBlockEntity> i
     }
 
     @Override
-    public void updateLight() {
+    public void updateLight(float partialTick) {
         if (flaps != null)
-            relight(pos, flaps.stream());
+            relight(pos, flaps.toArray(FlatLit[]::new));
     }
 
     @Override

src/main/java/com/simibubi/create/content/logistics/tunnel/BeltTunnelVisual.java

@@ -11,6 +11,7 @@ import dev.engine_room.flywheel.api.instance.Instancer;
 import dev.engine_room.flywheel.api.visual.DynamicVisual;
 import dev.engine_room.flywheel.api.visualization.VisualizationContext;
 import dev.engine_room.flywheel.lib.instance.AbstractInstance;
+import dev.engine_room.flywheel.lib.instance.FlatLit;
 import dev.engine_room.flywheel.lib.model.Models;
 import dev.engine_room.flywheel.lib.visual.AbstractBlockEntityVisual;
 import dev.engine_room.flywheel.lib.visual.SimpleDynamicVisual;
@@ -26,8 +27,10 @@ public class BeltTunnelVisual extends AbstractBlockEntityVisual<BeltTunnelBlockE
 
     private final Map<Direction, ArrayList<FlapInstance>> tunnelFlaps = new EnumMap<>(Direction.class);
 
-    public BeltTunnelVisual(VisualizationContext context, BeltTunnelBlockEntity blockEntity) {
+    public BeltTunnelVisual(VisualizationContext context, BeltTunnelBlockEntity blockEntity, float partialTick) {
-        super(context, blockEntity);
+        super(context, blockEntity, partialTick);
+
+		setupFlaps(partialTick);
 	}
 
 	private void setupFlaps(float partialTick) {
@@ -69,13 +72,6 @@ public class BeltTunnelVisual extends AbstractBlockEntityVisual<BeltTunnelBlockE
 		});
 	}
 
-	@Override
-	public void init(float partialTick) {
-		setupFlaps(partialTick);
-
-		super.init(partialTick);
-	}
-
 	@Override
 	public void update(float partialTick) {
 		super.update(partialTick);
@@ -100,8 +96,8 @@ public class BeltTunnelVisual extends AbstractBlockEntityVisual<BeltTunnelBlockE
     }
 
     @Override
-    public void updateLight() {
+    public void updateLight(float partialTick) {
-        relight(pos, tunnelFlaps.values().stream().flatMap(Collection::stream));
+        relight(pos, tunnelFlaps.values().stream().flatMap(Collection::stream).toArray(FlatLit[]::new));
     }
 
     @Override

src/main/java/com/simibubi/create/content/redstone/analogLever/AnalogLeverVisual.java

@@ -27,8 +27,8 @@ public class AnalogLeverVisual extends AbstractBlockEntityVisual<AnalogLeverBloc
 	final float rX;
 	final float rY;
 
-	public AnalogLeverVisual(VisualizationContext context, AnalogLeverBlockEntity blockEntity) {
+	public AnalogLeverVisual(VisualizationContext context, AnalogLeverBlockEntity blockEntity, float partialTick) {
-		super(context, blockEntity);
+		super(context, blockEntity, partialTick);
 
 		handle = instancerProvider.instancer(InstanceTypes.TRANSFORMED, Models.partial(AllPartialModels.ANALOG_LEVER_HANDLE))
 			.createInstance();
@@ -38,11 +38,6 @@ public class AnalogLeverVisual extends AbstractBlockEntityVisual<AnalogLeverBloc
 		AttachFace face = blockState.getValue(AnalogLeverBlock.FACE);
 		rX = face == AttachFace.FLOOR ? 0 : face == AttachFace.WALL ? 90 : 180;
 		rY = AngleHelper.horizontalAngle(blockState.getValue(AnalogLeverBlock.FACING));
-	}
-
-	@Override
-	public void init(float partialTick) {
-		super.init(partialTick);
 
 		transform(indicator.loadIdentity());
 
@@ -58,7 +53,7 @@ public class AnalogLeverVisual extends AbstractBlockEntityVisual<AnalogLeverBloc
 	protected void animateLever(float pt) {
 		float state = blockEntity.clientState.getValue(pt);
 
-		indicator.setColor(Color.mixColors(0x2C0300, 0xCD0000, state / 15f));
+		indicator.color(Color.mixColors(0x2C0300, 0xCD0000, state / 15f));
 		indicator.setChanged();
 
 		float angle = (float) ((state / 15) * 90 / 180 * Math.PI);
@@ -76,7 +71,7 @@ public class AnalogLeverVisual extends AbstractBlockEntityVisual<AnalogLeverBloc
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
 		relight(pos, handle, indicator);
 	}
 

src/main/java/com/simibubi/create/content/redstone/diodes/BrassDiodeVisual.java

@@ -19,14 +19,14 @@ public class BrassDiodeVisual extends AbstractBlockEntityVisual<BrassDiodeBlockE
 
     protected int previousState;
 
-    public BrassDiodeVisual(VisualizationContext context, BrassDiodeBlockEntity blockEntity) {
+    public BrassDiodeVisual(VisualizationContext context, BrassDiodeBlockEntity blockEntity, float partialTick) {
-        super(context, blockEntity);
+        super(context, blockEntity, partialTick);
 
         indicator = instancerProvider.instancer(InstanceTypes.TRANSFORMED, Models.partial(AllPartialModels.FLEXPEATER_INDICATOR)).createInstance();
 
         indicator.loadIdentity()
 				.translate(getVisualPosition())
-				.setColor(getColor())
+				.color(getColor())
 				.setChanged();
 
         previousState = blockEntity.state;
@@ -36,14 +36,14 @@ public class BrassDiodeVisual extends AbstractBlockEntityVisual<BrassDiodeBlockE
     public void tick(TickableVisual.Context context) {
         if (previousState == blockEntity.state) return;
 
-        indicator.setColor(getColor());
+        indicator.color(getColor());
 		indicator.setChanged();
 
         previousState = blockEntity.state;
     }
 
     @Override
-    public void updateLight() {
+    public void updateLight(float partialTick) {
         relight(pos, indicator);
     }
 

src/main/java/com/simibubi/create/content/schematics/cannon/SchematicannonVisual.java

@@ -21,8 +21,8 @@ public class SchematicannonVisual extends AbstractBlockEntityVisual<Schematicann
     private final TransformedInstance connector;
     private final TransformedInstance pipe;
 
-    public SchematicannonVisual(VisualizationContext context, SchematicannonBlockEntity blockEntity) {
+    public SchematicannonVisual(VisualizationContext context, SchematicannonBlockEntity blockEntity, float partialTick) {
-        super(context, blockEntity);
+        super(context, blockEntity, partialTick);
 
         connector = instancerProvider.instancer(InstanceTypes.TRANSFORMED, Models.partial(AllPartialModels.SCHEMATICANNON_CONNECTOR)).createInstance();
         pipe = instancerProvider.instancer(InstanceTypes.TRANSFORMED, Models.partial(AllPartialModels.SCHEMATICANNON_PIPE)).createInstance();
@@ -70,7 +70,7 @@ public class SchematicannonVisual extends AbstractBlockEntityVisual<Schematicann
     }
 
     @Override
-    public void updateLight() {
+    public void updateLight(float partialTick) {
         relight(pos, connector, pipe);
     }
 

src/main/java/com/simibubi/create/content/trains/entity/CarriageContraptionVisual.java

@@ -20,8 +20,8 @@ public class CarriageContraptionVisual extends ContraptionVisual<CarriageContrap
 	private Couple<BogeyVisual> bogeys;
 	private Couple<Boolean> bogeyHidden;
 
-	public CarriageContraptionVisual(VisualizationContext context, CarriageContraptionEntity entity) {
+	public CarriageContraptionVisual(VisualizationContext context, CarriageContraptionEntity entity, float partialTick) {
-		super(context, entity);
+		super(context, entity, partialTick);
 		bogeyHidden = Couple.create(() -> false);
 		entity.bindInstance(this);
 	}
@@ -33,7 +33,7 @@ public class CarriageContraptionVisual extends ContraptionVisual<CarriageContrap
         if (carriage != null) {
             bogeys = carriage.bogeys.mapNotNullWithParam((bogey, manager) -> bogey.getStyle()
                 .createVisual(bogey, bogey.type.getSize(), manager), visualizationContext);
-            updateLight();
+            updateLight(pt);
         }
 
 		super.init(pt);
@@ -86,8 +86,8 @@ public class CarriageContraptionVisual extends ContraptionVisual<CarriageContrap
 		ms.popPose();
 	}
 
-	public void updateLight() {
+	public void updateLight(float partialTick) {
-		super.updateLight();
+		super.updateLight(partialTick);
 
 		if (bogeys == null)
 			return;

src/main/java/com/simibubi/create/content/trains/track/TrackVisual.java

@@ -23,6 +23,9 @@ import com.simibubi.create.content.trains.track.BezierConnection.SegmentAngles;
 import com.simibubi.create.foundation.utility.Couple;
 import com.simibubi.create.foundation.utility.Iterate;
 
+import it.unimi.dsi.fastutil.longs.LongArraySet;
+import it.unimi.dsi.fastutil.longs.LongSet;
+import it.unimi.dsi.fastutil.longs.LongSets;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.SectionPos;
 import net.minecraft.world.level.Level;
@@ -30,21 +33,16 @@ import net.minecraft.world.level.LightLayer;
 
 public class TrackVisual extends AbstractBlockEntityVisual<TrackBlockEntity> {
 
-	private List<BezierTrackVisual> visuals;
+	private final List<BezierTrackVisual> visuals;
 
-	public TrackVisual(VisualizationContext context, TrackBlockEntity track) {
+	public TrackVisual(VisualizationContext context, TrackBlockEntity track, float partialTick) {
-		super(context, track);
+		super(context, track, partialTick);
-	}
 
-	@Override
-	public void init(float partialTick) {
 		visuals = blockEntity.connections.values()
 				.stream()
 				.map(this::createInstance)
 				.filter(Objects::nonNull)
 				.toList();
-
-		super.init(partialTick);
 	}
 
 	@Override
@@ -53,12 +51,11 @@ public class TrackVisual extends AbstractBlockEntityVisual<TrackBlockEntity> {
 			return;
 
 		_delete();
-		init(pt);
+		lightSections.sections(collectLightSections());
-		notifier.notifySectionsChanged();
 	}
 
 	@Override
-	public void updateLight() {
+	public void updateLight(float partialTick) {
 		if (visuals == null)
 			return;
 		visuals.forEach(BezierTrackVisual::updateLight);
@@ -78,10 +75,11 @@ public class TrackVisual extends AbstractBlockEntityVisual<TrackBlockEntity> {
 		visuals.forEach(BezierTrackVisual::delete);
 	}
 
-	@Override
+	public LongSet collectLightSections() {
-	public void collectLightSections(LongConsumer consumer) {
+		LongSet longSet = new LongArraySet();
+
 		if (blockEntity.connections.isEmpty()) {
-			return;
+			return LongSet.of();
 		}
 		int minX = Integer.MAX_VALUE;
 		int minY = Integer.MAX_VALUE;
@@ -99,7 +97,9 @@ public class TrackVisual extends AbstractBlockEntityVisual<TrackBlockEntity> {
 		}
 		SectionPos.betweenClosedStream(SectionPos.blockToSectionCoord(minX), SectionPos.blockToSectionCoord(minY), SectionPos.blockToSectionCoord(minZ), SectionPos.blockToSectionCoord(maxX), SectionPos.blockToSectionCoord(maxY), SectionPos.blockToSectionCoord(maxZ))
 			.mapToLong(SectionPos::asLong)
-			.forEach(consumer);
+			.forEach(longSet::add);
+
+		return longSet;
 	}
 
 	@Override

src/main/java/com/simibubi/create/foundation/render/AllInstanceTypes.java

@@ -36,8 +36,8 @@ public class AllInstanceTypes {
 				MemoryUtil.memPutByte(ptr + 1, instance.g);
 				MemoryUtil.memPutByte(ptr + 2, instance.b);
 				MemoryUtil.memPutByte(ptr + 3, instance.a);
-				MemoryUtil.memPutShort(ptr + 4, (short) (instance.packedLight & 0xFFFF));
+				MemoryUtil.memPutShort(ptr + 4, (short) (instance.light & 0xFFFF));
-				MemoryUtil.memPutShort(ptr + 6, (short) (instance.packedLight >> 16 & 0xFFFF));
+				MemoryUtil.memPutShort(ptr + 6, (short) (instance.light >> 16 & 0xFFFF));
 				MemoryUtil.memPutInt(ptr + 8, instance.overlay);
 				MemoryUtil.memPutFloat(ptr + 12, instance.x);
 				MemoryUtil.memPutFloat(ptr + 16, instance.y);
@@ -70,8 +70,8 @@ public class AllInstanceTypes {
 				MemoryUtil.memPutByte(ptr + 1, instance.g);
 				MemoryUtil.memPutByte(ptr + 2, instance.b);
 				MemoryUtil.memPutByte(ptr + 3, instance.a);
-				MemoryUtil.memPutShort(ptr + 4, (short) (instance.packedLight & 0xFFFF));
+				MemoryUtil.memPutShort(ptr + 4, (short) (instance.light & 0xFFFF));
-				MemoryUtil.memPutShort(ptr + 6, (short) (instance.packedLight >> 16 & 0xFFFF));
+				MemoryUtil.memPutShort(ptr + 6, (short) (instance.light >> 16 & 0xFFFF));
 				MemoryUtil.memPutInt(ptr + 8, instance.overlay);
 				MemoryUtil.memPutFloat(ptr + 12, instance.x);
 				MemoryUtil.memPutFloat(ptr + 16, instance.y);

src/main/java/com/simibubi/create/foundation/utility/flywheel/box/Box.java

@@ -0,0 +1,142 @@
+package com.simibubi.create.foundation.utility.flywheel.box;
+
+import net.minecraft.util.Mth;
+import net.minecraft.world.phys.AABB;
+
+public interface Box {
+	int getMinX();
+
+	int getMinY();
+
+	int getMinZ();
+
+	int getMaxX();
+
+	int getMaxY();
+
+	int getMaxZ();
+
+	default int sizeX() {
+		return getMaxX() - getMinX();
+	}
+
+	default int sizeY() {
+		return getMaxY() - getMinY();
+	}
+
+	default int sizeZ() {
+		return getMaxZ() - getMinZ();
+	}
+
+	default int volume() {
+		return sizeX() * sizeY() * sizeZ();
+	}
+
+	default boolean isEmpty() {
+		// if any dimension has side length 0 this box contains no volume
+		return getMinX() == getMaxX() || getMinY() == getMaxY() || getMinZ() == getMaxZ();
+	}
+
+	default boolean sameAs(Box other) {
+		return getMinX() == other.getMinX() && getMinY() == other.getMinY() && getMinZ() == other.getMinZ() && getMaxX() == other.getMaxX() && getMaxY() == other.getMaxY() && getMaxZ() == other.getMaxZ();
+	}
+
+	default boolean sameAs(Box other, int margin) {
+		return getMinX() == other.getMinX() - margin &&
+				getMinY() == other.getMinY() - margin &&
+				getMinZ() == other.getMinZ() - margin &&
+				getMaxX() == other.getMaxX() + margin &&
+				getMaxY() == other.getMaxY() + margin &&
+				getMaxZ() == other.getMaxZ() + margin;
+	}
+
+	default boolean sameAs(AABB other) {
+		return getMinX() == Math.floor(other.minX)
+				&& getMinY() == Math.floor(other.minY)
+				&& getMinZ() == Math.floor(other.minZ)
+				&& getMaxX() == Math.ceil(other.maxX)
+				&& getMaxY() == Math.ceil(other.maxY)
+				&& getMaxZ() == Math.ceil(other.maxZ);
+	}
+
+	default boolean intersects(int minX, int minY, int minZ, int maxX, int maxY, int maxZ) {
+		return this.getMinX() < maxX && this.getMaxX() > minX && this.getMinY() < maxY && this.getMaxY() > minY && this.getMinZ() < maxZ && this.getMaxZ() > minZ;
+	}
+
+	default boolean intersects(Box other) {
+		return this.intersects(other.getMinX(), other.getMinY(), other.getMinZ(), other.getMaxX(), other.getMaxY(), other.getMaxZ());
+	}
+
+	default boolean contains(int x, int y, int z) {
+		return x >= getMinX()
+				&& x <= getMaxX()
+				&& y >= getMinY()
+				&& y <= getMaxY()
+				&& z >= getMinZ()
+				&& z <= getMaxZ();
+	}
+
+	default boolean contains(Box other) {
+		return other.getMinX() >= this.getMinX()
+				&& other.getMaxX() <= this.getMaxX()
+				&& other.getMinY() >= this.getMinY()
+				&& other.getMaxY() <= this.getMaxY()
+				&& other.getMinZ() >= this.getMinZ()
+				&& other.getMaxZ() <= this.getMaxZ();
+	}
+
+	default void forEachContained(CoordinateConsumer func) {
+		int minX = getMinX();
+		int minY = getMinY();
+		int minZ = getMinZ();
+		int maxX = getMaxX();
+		int maxY = getMaxY();
+		int maxZ = getMaxZ();
+
+		for (int x = minX; x < maxX; x++) {
+			for (int y = minY; y < maxY; y++) {
+				for (int z = minZ; z < maxZ; z++) {
+					func.accept(x, y, z);
+				}
+			}
+		}
+	}
+
+	default boolean hasPowerOf2Sides() {
+		// this is only true if all individual side lengths are powers of 2
+		return Mth.isPowerOfTwo(volume());
+	}
+
+	default MutableBox union(Box other) {
+		int minX = Math.min(this.getMinX(), other.getMinX());
+		int minY = Math.min(this.getMinY(), other.getMinY());
+		int minZ = Math.min(this.getMinZ(), other.getMinZ());
+		int maxX = Math.max(this.getMaxX(), other.getMaxX());
+		int maxY = Math.max(this.getMaxY(), other.getMaxY());
+		int maxZ = Math.max(this.getMaxZ(), other.getMaxZ());
+		return new MutableBox(minX, minY, minZ, maxX, maxY, maxZ);
+	}
+
+	default MutableBox intersect(Box other) {
+		int minX = Math.max(this.getMinX(), other.getMinX());
+		int minY = Math.max(this.getMinY(), other.getMinY());
+		int minZ = Math.max(this.getMinZ(), other.getMinZ());
+		int maxX = Math.min(this.getMaxX(), other.getMaxX());
+		int maxY = Math.min(this.getMaxY(), other.getMaxY());
+		int maxZ = Math.min(this.getMaxZ(), other.getMaxZ());
+		return new MutableBox(minX, minY, minZ, maxX, maxY, maxZ);
+	}
+
+	default AABB toAABB() {
+		return new AABB(getMinX(), getMinY(), getMinZ(), getMaxX(), getMaxY(), getMaxZ());
+	}
+
+	default MutableBox copy() {
+		return new MutableBox(getMinX(), getMinY(), getMinZ(), getMaxX(), getMaxY(), getMaxZ());
+	}
+
+	@FunctionalInterface
+	interface CoordinateConsumer {
+		void accept(int x, int y, int z);
+	}
+}

src/main/java/com/simibubi/create/foundation/utility/flywheel/box/MutableBox.java

@@ -0,0 +1,329 @@
+package com.simibubi.create.foundation.utility.flywheel.box;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
+import net.minecraft.core.SectionPos;
+import net.minecraft.core.Vec3i;
+import net.minecraft.util.Mth;
+import net.minecraft.world.phys.AABB;
+
+import java.util.Collection;
+
+public class MutableBox implements Box {
+	protected int minX;
+	protected int minY;
+	protected int minZ;
+	protected int maxX;
+	protected int maxY;
+	protected int maxZ;
+
+	public MutableBox() {
+	}
+
+	public MutableBox(int minX, int minY, int minZ, int maxX, int maxY, int maxZ) {
+		this.minX = minX;
+		this.minY = minY;
+		this.minZ = minZ;
+		this.maxX = maxX;
+		this.maxY = maxY;
+		this.maxZ = maxZ;
+	}
+
+	public static MutableBox from(AABB aabb) {
+		int minX = (int) Math.floor(aabb.minX);
+		int minY = (int) Math.floor(aabb.minY);
+		int minZ = (int) Math.floor(aabb.minZ);
+		int maxX = (int) Math.ceil(aabb.maxX);
+		int maxY = (int) Math.ceil(aabb.maxY);
+		int maxZ = (int) Math.ceil(aabb.maxZ);
+		return new MutableBox(minX, minY, minZ, maxX, maxY, maxZ);
+	}
+
+	public static MutableBox from(Vec3i pos) {
+		return new MutableBox(pos.getX(), pos.getY(), pos.getZ(), pos.getX() + 1, pos.getY() + 1, pos.getZ() + 1);
+	}
+
+	public static MutableBox from(SectionPos pos) {
+		return new MutableBox(pos.minBlockX(), pos.minBlockY(), pos.minBlockZ(), pos.maxBlockX() + 1, pos.maxBlockY() + 1, pos.maxBlockZ() + 1);
+	}
+
+	public static MutableBox from(Vec3i start, Vec3i end) {
+		return new MutableBox(start.getX(), start.getY(), start.getZ(), end.getX() + 1, end.getY() + 1, end.getZ() + 1);
+	}
+
+	public static MutableBox ofRadius(int radius) {
+		return new MutableBox(-radius, -radius, -radius, radius + 1, radius + 1, radius + 1);
+	}
+
+	public static Box containingAll(Collection<BlockPos> positions) {
+		if (positions.isEmpty()) {
+			return new MutableBox();
+		}
+		int minX = Integer.MAX_VALUE;
+		int minY = Integer.MAX_VALUE;
+		int minZ = Integer.MAX_VALUE;
+		int maxX = Integer.MIN_VALUE;
+		int maxY = Integer.MIN_VALUE;
+		int maxZ = Integer.MIN_VALUE;
+		for (BlockPos pos : positions) {
+			minX = Math.min(minX, pos.getX());
+			minY = Math.min(minY, pos.getY());
+			minZ = Math.min(minZ, pos.getZ());
+			maxX = Math.max(maxX, pos.getX());
+			maxY = Math.max(maxY, pos.getY());
+			maxZ = Math.max(maxZ, pos.getZ());
+		}
+		return new MutableBox(minX, minY, minZ, maxX, maxY, maxZ);
+	}
+
+	@Override
+	public int getMinX() {
+		return minX;
+	}
+
+	@Override
+	public int getMinY() {
+		return minY;
+	}
+
+	@Override
+	public int getMinZ() {
+		return minZ;
+	}
+
+	@Override
+	public int getMaxX() {
+		return maxX;
+	}
+
+	@Override
+	public int getMaxY() {
+		return maxY;
+	}
+
+	@Override
+	public int getMaxZ() {
+		return maxZ;
+	}
+
+	public void setMinX(int minX) {
+		this.minX = minX;
+	}
+
+	public void setMinY(int minY) {
+		this.minY = minY;
+	}
+
+	public MutableBox setMinZ(int minZ) {
+		this.minZ = minZ;
+		return this;
+	}
+
+	public void setMaxX(int maxX) {
+		this.maxX = maxX;
+	}
+
+	public void setMaxY(int maxY) {
+		this.maxY = maxY;
+	}
+
+	public void setMaxZ(int maxZ) {
+		this.maxZ = maxZ;
+	}
+
+	public void setMin(int x, int y, int z) {
+		minX = x;
+		minY = y;
+		minZ = z;
+	}
+
+	public void setMax(int x, int y, int z) {
+		maxX = x;
+		maxY = y;
+		maxZ = z;
+	}
+
+	public void setMin(Vec3i v) {
+		setMin(v.getX(), v.getY(), v.getZ());
+	}
+
+	public void setMax(Vec3i v) {
+		setMax(v.getX(), v.getY(), v.getZ());
+	}
+
+	public void assign(Box other) {
+		minX = other.getMinX();
+		minY = other.getMinY();
+		minZ = other.getMinZ();
+		maxX = other.getMaxX();
+		maxY = other.getMaxY();
+		maxZ = other.getMaxZ();
+	}
+
+	public void assign(AABB other) {
+		minX = (int) Math.floor(other.minX);
+		minY = (int) Math.floor(other.minY);
+		minZ = (int) Math.floor(other.minZ);
+		maxX = (int) Math.ceil(other.maxX);
+		maxY = (int) Math.ceil(other.maxY);
+		maxZ = (int) Math.ceil(other.maxZ);
+	}
+
+	public void assign(Vec3i start, Vec3i end) {
+		minX = start.getX();
+		minY = start.getY();
+		minZ = start.getZ();
+		maxX = end.getX() + 1;
+		maxY = end.getY() + 1;
+		maxZ = end.getZ() + 1;
+	}
+
+	public void unionAssign(Box other) {
+		minX = Math.min(this.minX, other.getMinX());
+		minY = Math.min(this.minY, other.getMinY());
+		minZ = Math.min(this.minZ, other.getMinZ());
+		maxX = Math.max(this.maxX, other.getMaxX());
+		maxY = Math.max(this.maxY, other.getMaxY());
+		maxZ = Math.max(this.maxZ, other.getMaxZ());
+	}
+
+	public void unionAssign(AABB other) {
+		minX = Math.min(this.minX, (int) Math.floor(other.minX));
+		minY = Math.min(this.minY, (int) Math.floor(other.minY));
+		minZ = Math.min(this.minZ, (int) Math.floor(other.minZ));
+		maxX = Math.max(this.maxX, (int) Math.ceil(other.maxX));
+		maxY = Math.max(this.maxY, (int) Math.ceil(other.maxY));
+		maxZ = Math.max(this.maxZ, (int) Math.ceil(other.maxZ));
+	}
+
+	public void intersectAssign(Box other) {
+		minX = Math.max(this.minX, other.getMinX());
+		minY = Math.max(this.minY, other.getMinY());
+		minZ = Math.max(this.minZ, other.getMinZ());
+		maxX = Math.min(this.maxX, other.getMaxX());
+		maxY = Math.min(this.maxY, other.getMaxY());
+		maxZ = Math.min(this.maxZ, other.getMaxZ());
+	}
+
+	public void fixMinMax() {
+		int minX = Math.min(this.minX, this.maxX);
+		int minY = Math.min(this.minY, this.maxY);
+		int minZ = Math.min(this.minZ, this.maxZ);
+		int maxX = Math.max(this.minX, this.maxX);
+		int maxY = Math.max(this.minY, this.maxY);
+		int maxZ = Math.max(this.minZ, this.maxZ);
+
+		this.minX = minX;
+		this.minY = minY;
+		this.minZ = minZ;
+		this.maxX = maxX;
+		this.maxY = maxY;
+		this.maxZ = maxZ;
+	}
+
+	public void translate(int x, int y, int z) {
+		minX = minX + x;
+		maxX = maxX + x;
+		minY = minY + y;
+		maxY = maxY + y;
+		minZ = minZ + z;
+		maxZ = maxZ + z;
+	}
+
+	public void translate(Vec3i by) {
+		translate(by.getX(), by.getY(), by.getZ());
+	}
+
+	public void grow(int x, int y, int z) {
+		minX = minX - x;
+		minY = minY - y;
+		minZ = minZ - z;
+		maxX = maxX + x;
+		maxY = maxY + y;
+		maxZ = maxZ + z;
+	}
+
+	public void grow(int s) {
+		this.grow(s, s, s);
+	}
+
+	/**
+	 * Grow this box to have power of 2 side lengths, scaling from the minimum coords.
+	 */
+	public void nextPowerOf2() {
+		int sizeX = Mth.smallestEncompassingPowerOfTwo(sizeX());
+		int sizeY = Mth.smallestEncompassingPowerOfTwo(sizeY());
+		int sizeZ = Mth.smallestEncompassingPowerOfTwo(sizeZ());
+
+		maxX = minX + sizeX;
+		maxY = minY + sizeY;
+		maxZ = minZ + sizeZ;
+	}
+
+	/**
+	 * Grow this box to have power of 2 side length, scaling from the center.
+	 */
+	public void nextPowerOf2Centered() {
+		int sizeX = sizeX();
+		int sizeY = sizeY();
+		int sizeZ = sizeZ();
+
+		int newSizeX = Mth.smallestEncompassingPowerOfTwo(sizeX);
+		int newSizeY = Mth.smallestEncompassingPowerOfTwo(sizeY);
+		int newSizeZ = Mth.smallestEncompassingPowerOfTwo(sizeZ);
+
+		int diffX = newSizeX - sizeX;
+		int diffY = newSizeY - sizeY;
+		int diffZ = newSizeZ - sizeZ;
+
+		minX = minX - diffX / 2; // floor division for the minimums
+		minY = minY - diffY / 2;
+		minZ = minZ - diffZ / 2;
+		maxX = maxX + (diffX + 1) / 2; // ceiling divison for the maximums
+		maxY = maxY + (diffY + 1) / 2;
+		maxZ = maxZ + (diffZ + 1) / 2;
+	}
+
+	public void mirrorAbout(Direction.Axis axis) {
+		Vec3i axisVec = Direction.get(Direction.AxisDirection.POSITIVE, axis)
+				.getNormal();
+		int flipX = axisVec.getX() - 1;
+		int flipY = axisVec.getY() - 1;
+		int flipZ = axisVec.getZ() - 1;
+
+		int maxX = this.maxX * flipX;
+		int maxY = this.maxY * flipY;
+		int maxZ = this.maxZ * flipZ;
+		this.maxX = this.minX * flipX;
+		this.maxY = this.minY * flipY;
+		this.maxZ = this.minZ * flipZ;
+		this.minX = maxX;
+		this.minY = maxY;
+		this.minZ = maxZ;
+	}
+
+	@Override
+	public boolean equals(Object o) {
+		if (this == o) return true;
+		if (o == null) return false;
+		if (!(o instanceof Box that)) return false;
+
+		return this.sameAs(that);
+	}
+
+	@Override
+	public int hashCode() {
+		int result = minX;
+		result = 31 * result + minY;
+		result = 31 * result + minZ;
+		result = 31 * result + maxX;
+		result = 31 * result + maxY;
+		result = 31 * result + maxZ;
+		return result;
+	}
+
+	@Override
+	public String toString() {
+		return "(" + minX + ", " + minY + ", " + minZ + ")->(" + maxX + ", " + maxY + ", " + maxZ + ')';
+	}
+}

src/main/java/com/simibubi/create/foundation/utility/flywheel/light/LightVolume.java

@@ -0,0 +1,219 @@
+package com.simibubi.create.foundation.utility.flywheel.light;
+
+import com.simibubi.create.foundation.utility.flywheel.box.Box;
+import com.simibubi.create.foundation.utility.flywheel.box.MutableBox;
+
+import dev.engine_room.flywheel.lib.memory.MemoryBlock;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.SectionPos;
+import net.minecraft.world.level.BlockAndTintGetter;
+
+import net.minecraft.world.level.LightLayer;
+
+import org.lwjgl.system.MemoryUtil;
+
+public class LightVolume implements Box {
+	protected final BlockAndTintGetter level;
+	protected final MutableBox box = new MutableBox();
+	protected MemoryBlock lightData;
+
+	public LightVolume(BlockAndTintGetter level, Box sampleVolume) {
+		this.level = level;
+		this.setBox(sampleVolume);
+
+		this.lightData = MemoryBlock.malloc(this.box.volume() * 2);
+	}
+
+	public Box getVolume() {
+		return box;
+	}
+
+	@Override
+	public int getMinX() {
+		return box.getMinX();
+	}
+
+	@Override
+	public int getMinY() {
+		return box.getMinY();
+	}
+
+	@Override
+	public int getMinZ() {
+		return box.getMinZ();
+	}
+
+	@Override
+	public int getMaxX() {
+		return box.getMaxX();
+	}
+
+	@Override
+	public int getMaxY() {
+		return box.getMaxY();
+	}
+
+	@Override
+	public int getMaxZ() {
+		return box.getMaxZ();
+	}
+
+	public boolean isInvalid() {
+		return lightData == null;
+	}
+
+	protected void setBox(Box box) {
+		this.box.assign(box);
+	}
+
+	public short getPackedLight(int x, int y, int z) {
+		if (box.contains(x, y, z)) {
+			return MemoryUtil.memGetShort(levelPosToPtr(x, y, z));
+		} else {
+			return 0;
+		}
+	}
+
+	public void move(Box newSampleVolume) {
+		if (lightData == null) return;
+
+		setBox(newSampleVolume);
+		int neededCapacity = box.volume() * 2;
+		if (neededCapacity > lightData.size()) {
+			lightData = lightData.realloc(neededCapacity);
+		}
+		initialize();
+	}
+
+	/**
+	 * Completely (re)populate this volume with block and sky lighting data.
+	 * This is expensive and should be avoided.
+	 */
+	public void initialize() {
+		if (lightData == null) return;
+
+		copyLight(getVolume());
+		markDirty();
+	}
+
+	protected void markDirty() {
+		// noop
+	}
+
+	public void delete() {
+		lightData.free();
+		lightData = null;
+	}
+
+	/**
+	 * Copy all light from the level into this volume.
+	 *
+	 * @param levelVolume the region in the level to copy data from.
+	 */
+	public void copyLight(Box levelVolume) {
+		BlockPos.MutableBlockPos pos = new BlockPos.MutableBlockPos();
+
+		int xShift = box.getMinX();
+		int yShift = box.getMinY();
+		int zShift = box.getMinZ();
+
+		levelVolume.forEachContained((x, y, z) -> {
+			pos.set(x, y, z);
+
+			int block = this.level.getBrightness(LightLayer.BLOCK, pos);
+			int sky = this.level.getBrightness(LightLayer.SKY, pos);
+
+			writeLight(x - xShift, y - yShift, z - zShift, block, sky);
+		});
+	}
+
+	protected void writeLight(int x, int y, int z, int block, int sky) {
+		byte b = (byte) ((block & 0xF) << 4);
+		byte s = (byte) ((sky & 0xF) << 4);
+
+		long ptr = boxPosToPtr(x, y, z);
+		MemoryUtil.memPutByte(ptr, b);
+		MemoryUtil.memPutByte(ptr + 1, s);
+	}
+
+	/**
+	 * Copy block light from the level into this volume.
+	 *
+	 * @param levelVolume the region in the level to copy data from.
+	 */
+	public void copyBlock(Box levelVolume) {
+		var pos = new BlockPos.MutableBlockPos();
+
+		int xShift = box.getMinX();
+		int yShift = box.getMinY();
+		int zShift = box.getMinZ();
+
+		levelVolume.forEachContained((x, y, z) -> {
+			int light = this.level.getBrightness(LightLayer.BLOCK, pos.set(x, y, z));
+
+			writeBlock(x - xShift, y - yShift, z - zShift, light);
+		});
+	}
+
+	protected void writeBlock(int x, int y, int z, int block) {
+		byte b = (byte) ((block & 0xF) << 4);
+
+		MemoryUtil.memPutByte(boxPosToPtr(x, y, z), b);
+	}
+
+	/**
+	 * Copy sky light from the level into this volume.
+	 *
+	 * @param levelVolume the region in the level to copy data from.
+	 */
+	public void copySky(Box levelVolume) {
+		var pos = new BlockPos.MutableBlockPos();
+
+		int xShift = box.getMinX();
+		int yShift = box.getMinY();
+		int zShift = box.getMinZ();
+
+		levelVolume.forEachContained((x, y, z) -> {
+			int light = this.level.getBrightness(LightLayer.SKY, pos.set(x, y, z));
+
+			writeSky(x - xShift, y - yShift, z - zShift, light);
+		});
+	}
+
+	protected void writeSky(int x, int y, int z, int sky) {
+		byte s = (byte) ((sky & 0xF) << 4);
+
+		MemoryUtil.memPutByte(boxPosToPtr(x, y, z) + 1, s);
+	}
+
+	protected long levelPosToPtr(int x, int y, int z) {
+		return lightData.ptr() + levelPosToPtrOffset(x, y, z);
+	}
+
+	protected long boxPosToPtr(int x, int y, int z) {
+		return lightData.ptr() + boxPosToPtrOffset(x, y, z);
+	}
+
+	protected int levelPosToPtrOffset(int x, int y, int z) {
+		x -= box.getMinX();
+		y -= box.getMinY();
+		z -= box.getMinZ();
+		return boxPosToPtrOffset(x, y, z);
+	}
+
+	protected int boxPosToPtrOffset(int x, int y, int z) {
+		return (x + box.sizeX() * (y + z * box.sizeY())) * 2;
+	}
+
+	public void onLightUpdate(LightLayer type, SectionPos pos) {
+		if (lightData == null) return;
+
+		MutableBox vol = MutableBox.from(pos);
+		if (!vol.intersects(getVolume())) return;
+		vol.intersectAssign(getVolume()); // compute the region contained by us that has dirty lighting data.
+
+		if (type == LightLayer.BLOCK) copyBlock(vol);
+		else if (type == LightLayer.SKY) copySky(vol);
+		markDirty();
+	}
+}