Instanced Gauges and Valves, DRY lighting.

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

@@ -77,6 +77,7 @@ import com.simibubi.create.content.contraptions.relays.belt.BeltRenderer;
 import com.simibubi.create.content.contraptions.relays.belt.BeltTileEntity;
 import com.simibubi.create.content.contraptions.relays.elementary.SimpleKineticTileEntity;
 import com.simibubi.create.content.contraptions.relays.encased.*;
+import com.simibubi.create.content.contraptions.relays.gauge.GaugeInstance;
 import com.simibubi.create.content.contraptions.relays.gauge.GaugeRenderer;
 import com.simibubi.create.content.contraptions.relays.gauge.SpeedGaugeTileEntity;
 import com.simibubi.create.content.contraptions.relays.gauge.StressGaugeTileEntity;
@@ -260,7 +261,7 @@ public class AllTileEntities {
 
 	public static final TileEntityEntry<FluidValveTileEntity> FLUID_VALVE = Create.registrate()
 		.tileEntity("fluid_valve", FluidValveTileEntity::new)
-		.instance(() -> ShaftInstance::new)
+		.instance(() -> FluidValveInstance::new)
 		.validBlocks(AllBlocks.FLUID_VALVE)
 		.renderer(() -> FluidValveRenderer::new)
 		.register();
@@ -515,14 +516,14 @@ public class AllTileEntities {
 
 	public static final TileEntityEntry<SpeedGaugeTileEntity> SPEEDOMETER = Create.registrate()
 		.tileEntity("speedometer", SpeedGaugeTileEntity::new)
-		.instance(() -> ShaftInstance::new)
+		.instance(() -> GaugeInstance.Speed::new)
 		.validBlocks(AllBlocks.SPEEDOMETER)
 		.renderer(() -> GaugeRenderer::speed)
 		.register();
 
 	public static final TileEntityEntry<StressGaugeTileEntity> STRESSOMETER = Create.registrate()
 		.tileEntity("stressometer", StressGaugeTileEntity::new)
-		.instance(() -> ShaftInstance::new)
+		.instance(() -> GaugeInstance.Stress::new)
 		.validBlocks(AllBlocks.STRESSOMETER)
 		.renderer(() -> GaugeRenderer::stress)
 		.register();

src/main/java/com/simibubi/create/content/contraptions/base/KineticData.java

@@ -4,12 +4,13 @@ import java.nio.ByteBuffer;
 
 import com.simibubi.create.foundation.render.backend.instancing.InstanceData;
 import com.simibubi.create.foundation.render.backend.instancing.InstancedModel;
+import com.simibubi.create.foundation.render.backend.instancing.impl.IFlatLight;
 import com.simibubi.create.foundation.utility.ColorHelper;
 
 import net.minecraft.client.renderer.Vector3f;
 import net.minecraft.util.math.BlockPos;
 
-public class KineticData<D extends KineticData<D>> extends InstanceData {
+public class KineticData<D extends KineticData<D>> extends InstanceData implements IFlatLight<D> {
     private float x;
     private float y;
     private float z;
@@ -65,11 +66,13 @@ public class KineticData<D extends KineticData<D>> extends InstanceData {
         return (D) this;
     }
 
+    @Override
     public D setBlockLight(int blockLight) {
         this.blockLight = (byte) ((blockLight & 0xF) << 4);
         return (D) this;
     }
 
+    @Override
     public D setSkyLight(int skyLight) {
         this.skyLight = (byte) ((skyLight & 0xF) << 4);
         return (D) this;

src/main/java/com/simibubi/create/content/contraptions/base/KineticTileInstance.java

@@ -36,12 +36,6 @@ public abstract class KineticTileInstance<T extends KineticTileEntity> extends T
         return key;
     }
 
-    protected final void relight(InstanceKey<? extends KineticData<?>> key) {
-        key.getInstance()
-           .setBlockLight(world.getLightLevel(LightType.BLOCK, pos))
-           .setSkyLight(world.getLightLevel(LightType.SKY, pos));
-    }
-
     protected float getRotationOffset(final Direction.Axis axis) {
         float offset = CogWheelBlock.isLargeCog(lastState) ? 11.25f : 0;
         double d = (((axis == Direction.Axis.X) ? 0 : pos.getX()) + ((axis == Direction.Axis.Y) ? 0 : pos.getY())

src/main/java/com/simibubi/create/content/contraptions/base/SingleRotatingInstance.java

@@ -4,14 +4,10 @@ import static com.simibubi.create.content.contraptions.base.KineticTileEntityRen
 
 import com.simibubi.create.foundation.render.backend.instancing.InstanceKey;
 import com.simibubi.create.foundation.render.backend.instancing.InstancedModel;
-import com.simibubi.create.foundation.render.backend.instancing.InstancedTileRenderRegistry;
 import com.simibubi.create.foundation.render.backend.instancing.InstancedTileRenderer;
 
 import net.minecraft.block.BlockState;
-import net.minecraft.tileentity.TileEntityType;
 import net.minecraft.util.Direction;
-import net.minecraftforge.api.distmarker.Dist;
-import net.minecraftforge.fml.DistExecutor;
 
 public class SingleRotatingInstance extends KineticTileInstance<KineticTileEntity> {
 
@@ -35,7 +31,7 @@ public class SingleRotatingInstance extends KineticTileInstance<KineticTileEntit
 
     @Override
     public void updateLight() {
-        relight(rotatingModelKey);
+        relight(pos, rotatingModelKey.getInstance());
     }
 
     @Override

src/main/java/com/simibubi/create/content/contraptions/components/fan/FanInstance.java

@@ -82,19 +82,10 @@ public class FanInstance extends KineticTileInstance<EncasedFanTileEntity> {
         final Direction direction = lastState.get(FACING);
 
         BlockPos behind = pos.offset(direction.getOpposite());
-        putLight(shaft, behind);
+        relight(behind, shaft.getInstance());
 
         BlockPos inFront = pos.offset(direction);
-        putLight(fan, inFront);
+        relight(inFront, fan.getInstance());
-    }
-
-    private void putLight(InstanceKey<RotatingData> key, BlockPos pos) {
-        int blockLight = world.getLightLevel(LightType.BLOCK, pos);
-        int skyLight = world.getLightLevel(LightType.SKY, pos);
-
-        key.getInstance()
-           .setBlockLight(blockLight)
-           .setSkyLight(skyLight);
     }
 
     @Override

src/main/java/com/simibubi/create/content/contraptions/components/flywheel/FlyWheelInstance.java

@@ -150,20 +150,10 @@ public class FlyWheelInstance extends KineticTileInstance<FlywheelTileEntity> im
 
     @Override
     public void updateLight() {
-        int block = world.getLightLevel(LightType.BLOCK, pos);
+        relight(pos, shaft.getInstance(), wheel.getInstance());
-        int sky = world.getLightLevel(LightType.SKY, pos);
-
-        shaft.getInstance().setBlockLight(block).setSkyLight(sky);
-        wheel.getInstance().setBlockLight(block).setSkyLight(sky);
 
         if (connection != null) {
-            BlockPos pos = this.pos.offset(connection);
+            relight(this.pos.offset(connection), connectors.stream().map(InstanceKey::getInstance));
-
-            int connectionBlock = world.getLightLevel(LightType.BLOCK, pos);
-            int connectionSky = world.getLightLevel(LightType.SKY, pos);
-            connectors.stream()
-                      .map(InstanceKey::getInstance)
-                      .forEach(data -> data.setBlockLight(connectionBlock).setSkyLight(connectionSky));
         }
     }
 

src/main/java/com/simibubi/create/content/contraptions/components/flywheel/engine/EngineInstance.java

@@ -66,9 +66,6 @@ public class EngineInstance extends TileEntityInstance<EngineTileEntity> {
 
     @Override
     public void updateLight() {
-        int block = world.getLightLevel(LightType.BLOCK, pos);
+        relight(pos, frame.getInstance());
-        int sky = world.getLightLevel(LightType.SKY, pos);
-
-        frame.getInstance().setBlockLight(block).setSkyLight(sky);
     }
 }

src/main/java/com/simibubi/create/content/contraptions/components/mixer/MixerInstance.java

@@ -92,14 +92,9 @@ public class MixerInstance extends ShaftlessCogInstance implements ITickableInst
     public void updateLight() {
         super.updateLight();
 
-        BlockPos down = pos.down();
+        relight(pos.down(), mixerHead.getInstance());
-        mixerHead.getInstance()
-                 .setBlockLight(world.getLightLevel(LightType.BLOCK, down))
-                 .setSkyLight(world.getLightLevel(LightType.SKY, down));
 
-        mixerPole.getInstance()
+        relight(pos, mixerPole.getInstance());
-                 .setBlockLight(world.getLightLevel(LightType.BLOCK, pos))
-                 .setSkyLight(world.getLightLevel(LightType.SKY, pos));
     }
 
     @Override

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

@@ -67,9 +67,7 @@ public class PressInstance extends ShaftInstance implements ITickableInstance {
     public void updateLight() {
         super.updateLight();
 
-        pressHead.getInstance()
+        relight(pos, pressHead.getInstance());
-                 .setBlockLight(world.getLightLevel(LightType.BLOCK, pos))
-                 .setSkyLight(world.getLightLevel(LightType.SKY, pos));
     }
 
     @Override

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

@@ -63,9 +63,7 @@ public class StickerInstance extends TileEntityInstance<StickerTileEntity> imple
 
     @Override
     public void updateLight() {
-        head.getInstance()
+        relight(pos, head.getInstance());
-            .setBlockLight(world.getLightLevel(LightType.BLOCK, pos))
-            .setSkyLight(world.getLightLevel(LightType.SKY, pos));
     }
 
     @Override

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

@@ -81,9 +81,7 @@ public class GantryCarriageInstance extends ShaftInstance implements ITickableIn
 
     @Override
     public void updateLight() {
-        gantryCogs.getInstance()
+        relight(pos, gantryCogs.getInstance());
-            .setBlockLight(world.getLightLevel(LightType.BLOCK, pos))
-            .setSkyLight(world.getLightLevel(LightType.SKY, pos));
     }
 
     @Override

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

@@ -25,6 +25,8 @@ import net.minecraft.world.TickPriority;
 import net.minecraft.world.World;
 import net.minecraft.world.server.ServerWorld;
 
+import javax.annotation.Nonnull;
+
 public class FluidValveBlock extends DirectionalAxisKineticBlock implements IAxisPipe {
 
 	public static final BooleanProperty ENABLED = BooleanProperty.create("enabled");
@@ -60,9 +62,10 @@ public class FluidValveBlock extends DirectionalAxisKineticBlock implements IAxi
 		return AllTileEntities.FLUID_VALVE.create();
 	}
 
+	@Nonnull
 	public static Axis getPipeAxis(BlockState state) {
 		if (!(state.getBlock() instanceof FluidValveBlock))
-			return null;
+			throw new IllegalStateException("Provided BlockState is for a different block.");
 		Direction facing = state.get(FACING);
 		boolean alongFirst = !state.get(AXIS_ALONG_FIRST_COORDINATE);
 		for (Axis axis : Iterate.axes) {
@@ -74,7 +77,7 @@ public class FluidValveBlock extends DirectionalAxisKineticBlock implements IAxi
 			}
 			return axis;
 		}
-		return null;
+		throw new IllegalStateException("Impossible axis.");
 	}
 
 	@Override

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

@@ -0,0 +1,91 @@
+package com.simibubi.create.content.contraptions.fluids.pipes;
+
+import com.mojang.blaze3d.matrix.MatrixStack;
+import com.simibubi.create.AllBlockPartials;
+import com.simibubi.create.content.contraptions.base.KineticTileEntity;
+import com.simibubi.create.content.contraptions.base.KineticTileEntityRenderer;
+import com.simibubi.create.content.contraptions.relays.encased.ShaftInstance;
+import com.simibubi.create.foundation.render.SuperByteBuffer;
+import com.simibubi.create.foundation.render.backend.RenderMaterials;
+import com.simibubi.create.foundation.render.backend.instancing.ITickableInstance;
+import com.simibubi.create.foundation.render.backend.instancing.InstanceKey;
+import com.simibubi.create.foundation.render.backend.instancing.InstancedTileRenderer;
+import com.simibubi.create.foundation.render.backend.instancing.impl.ModelData;
+import com.simibubi.create.foundation.utility.AngleHelper;
+import com.simibubi.create.foundation.utility.AnimationTickHolder;
+import com.simibubi.create.foundation.utility.MatrixStacker;
+import net.minecraft.block.BlockState;
+import net.minecraft.util.Direction;
+import net.minecraft.util.math.MathHelper;
+
+public class FluidValveInstance extends ShaftInstance implements ITickableInstance {
+
+    protected InstanceKey<ModelData> pointer;
+
+    protected double xRot;
+    protected double yRot;
+    protected int pointerRotationOffset;
+
+    public FluidValveInstance(InstancedTileRenderer<?> dispatcher, KineticTileEntity tile) {
+        super(dispatcher, tile);
+    }
+
+    @Override
+    protected void init() {
+        super.init();
+
+        Direction facing = lastState.get(FluidValveBlock.FACING);
+
+        yRot = AngleHelper.horizontalAngle(facing);
+        xRot = facing == Direction.UP ? 0 : facing == Direction.DOWN ? 180 : 90;
+
+        Direction.Axis pipeAxis = FluidValveBlock.getPipeAxis(lastState);
+        Direction.Axis shaftAxis = KineticTileEntityRenderer.getRotationAxisOf(tile);
+
+        pointerRotationOffset = 0;
+        if (pipeAxis.isHorizontal() && shaftAxis == Direction.Axis.Z || pipeAxis.isVertical())
+            pointerRotationOffset = 90;
+
+        pointer = modelManager.basicMaterial().getModel(AllBlockPartials.FLUID_VALVE_POINTER, lastState).createInstance();
+
+        updateLight();
+        transformPointer((FluidValveTileEntity) tile);
+    }
+
+    @Override
+    public void tick() {
+
+        FluidValveTileEntity valve = (FluidValveTileEntity) tile;
+
+        if (valve.pointer.settled()) return;
+
+        transformPointer(valve);
+    }
+
+    private void transformPointer(FluidValveTileEntity valve) {
+        float pointerRotation = MathHelper.lerp(valve.pointer.getValue(AnimationTickHolder.getPartialTicks()), 0, -90);
+
+        MatrixStack ms = new MatrixStack();
+        MatrixStacker.of(ms)
+                     .translate(getFloatingPos())
+                     .centre()
+                     .rotateY(yRot)
+                     .rotateX(xRot)
+                     .rotateY(pointerRotationOffset + pointerRotation)
+                     .unCentre();
+
+        pointer.getInstance().setTransform(ms);
+    }
+
+    @Override
+    public void updateLight() {
+        super.updateLight();
+        relight(pos, pointer.getInstance());
+    }
+
+    @Override
+    public void remove() {
+        super.remove();
+        pointer.delete();
+    }
+}

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

@@ -5,6 +5,7 @@ import com.simibubi.create.AllBlockPartials;
 import com.simibubi.create.content.contraptions.base.KineticTileEntity;
 import com.simibubi.create.content.contraptions.base.KineticTileEntityRenderer;
 import com.simibubi.create.foundation.render.SuperByteBuffer;
+import com.simibubi.create.foundation.render.backend.FastRenderDispatcher;
 import com.simibubi.create.foundation.utility.AngleHelper;
 import com.simibubi.create.foundation.utility.MatrixStacker;
 
@@ -25,6 +26,9 @@ public class FluidValveRenderer extends KineticTileEntityRenderer {
 	@Override
 	protected void renderSafe(KineticTileEntity te, float partialTicks, MatrixStack ms, IRenderTypeBuffer buffer,
 		int light, int overlay) {
+
+		if (FastRenderDispatcher.available(te.getWorld())) return;
+
 		super.renderSafe(te, partialTicks, ms, buffer, light, overlay);
 		BlockState blockState = te.getBlockState();
 		SuperByteBuffer pointer = AllBlockPartials.FLUID_VALVE_POINTER.renderOn(blockState);

src/main/java/com/simibubi/create/content/contraptions/relays/belt/BeltInstance.java

@@ -1,29 +1,24 @@
 package com.simibubi.create.content.contraptions.relays.belt;
 
 import java.util.ArrayList;
-import java.util.function.Consumer;
 import java.util.function.Supplier;
 
 import com.mojang.blaze3d.matrix.MatrixStack;
 import com.simibubi.create.AllBlockPartials;
 import com.simibubi.create.AllBlocks;
+import com.simibubi.create.content.contraptions.base.KineticData;
 import com.simibubi.create.content.contraptions.base.KineticTileInstance;
 import com.simibubi.create.content.contraptions.base.RotatingData;
 import com.simibubi.create.foundation.block.render.SpriteShiftEntry;
 import com.simibubi.create.foundation.render.backend.instancing.InstanceKey;
 import com.simibubi.create.foundation.render.backend.instancing.InstancedModel;
-import com.simibubi.create.foundation.render.backend.instancing.InstancedTileRenderRegistry;
 import com.simibubi.create.foundation.render.backend.instancing.InstancedTileRenderer;
 import com.simibubi.create.foundation.utility.Iterate;
 import com.simibubi.create.foundation.utility.MatrixStacker;
 
 import net.minecraft.item.DyeColor;
-import net.minecraft.tileentity.TileEntityType;
 import net.minecraft.util.Direction;
-import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.LightType;
-import net.minecraftforge.api.distmarker.Dist;
-import net.minecraftforge.fml.DistExecutor;
 
 public class BeltInstance extends KineticTileInstance<BeltTileEntity> {
 
@@ -103,9 +98,9 @@ public class BeltInstance extends KineticTileInstance<BeltTileEntity> {
 
     @Override
     public void updateLight() {
-        keys.forEach(this::relight);
+        relight(pos, keys.stream().map(InstanceKey::getInstance));
 
-        if (pulleyKey != null) relight(pulleyKey);
+        if (pulleyKey != null) relight(pos, pulleyKey.getInstance());
     }
 
     @Override

src/main/java/com/simibubi/create/content/contraptions/relays/encased/SplitShaftInstance.java

@@ -4,19 +4,16 @@ import java.util.ArrayList;
 
 import com.simibubi.create.AllBlockPartials;
 import com.simibubi.create.content.contraptions.base.IRotate;
+import com.simibubi.create.content.contraptions.base.KineticData;
 import com.simibubi.create.content.contraptions.base.KineticTileInstance;
 import com.simibubi.create.content.contraptions.base.RotatingData;
 import com.simibubi.create.foundation.render.backend.instancing.InstanceKey;
 import com.simibubi.create.foundation.render.backend.instancing.InstancedModel;
-import com.simibubi.create.foundation.render.backend.instancing.InstancedTileRenderRegistry;
 import com.simibubi.create.foundation.render.backend.instancing.InstancedTileRenderer;
 import com.simibubi.create.foundation.utility.Iterate;
 
 import net.minecraft.block.Block;
-import net.minecraft.tileentity.TileEntityType;
 import net.minecraft.util.Direction;
-import net.minecraftforge.api.distmarker.Dist;
-import net.minecraftforge.fml.DistExecutor;
 
 public class SplitShaftInstance extends KineticTileInstance<SplitShaftTileEntity> {
 
@@ -59,7 +56,7 @@ public class SplitShaftInstance extends KineticTileInstance<SplitShaftTileEntity
 
     @Override
     public void updateLight() {
-        keys.forEach(this::relight);
+        keys.forEach(key -> relight(pos, ((InstanceKey<? extends KineticData<?>>) key).getInstance()));
     }
 
     @Override

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

@@ -0,0 +1,173 @@
+package com.simibubi.create.content.contraptions.relays.gauge;
+
+import com.mojang.blaze3d.matrix.MatrixStack;
+import com.simibubi.create.AllBlockPartials;
+import com.simibubi.create.content.contraptions.base.KineticTileEntity;
+import com.simibubi.create.content.contraptions.relays.encased.ShaftInstance;
+import com.simibubi.create.foundation.render.backend.RenderMaterials;
+import com.simibubi.create.foundation.render.backend.instancing.ITickableInstance;
+import com.simibubi.create.foundation.render.backend.instancing.InstanceKey;
+import com.simibubi.create.foundation.render.backend.instancing.InstancedModel;
+import com.simibubi.create.foundation.render.backend.instancing.InstancedTileRenderer;
+import com.simibubi.create.foundation.render.backend.instancing.impl.ModelData;
+import com.simibubi.create.foundation.utility.*;
+import net.minecraft.util.Direction;
+import net.minecraft.util.math.MathHelper;
+
+import java.util.ArrayList;
+
+public abstract class GaugeInstance extends ShaftInstance implements ITickableInstance {
+
+    protected ArrayList<DialFace> faces;
+
+    protected MatrixStack ms;
+
+    protected GaugeInstance(InstancedTileRenderer<?> dispatcher, KineticTileEntity tile) {
+        super(dispatcher, tile);
+    }
+
+    @Override
+    protected void init() {
+        super.init();
+
+        faces = new ArrayList<>(2);
+
+        GaugeTileEntity gaugeTile = (GaugeTileEntity) tile;
+        GaugeBlock gaugeBlock = (GaugeBlock) lastState.getBlock();
+
+        InstancedModel<ModelData> dialModel = modelManager.getMaterial(RenderMaterials.MODELS).getModel(AllBlockPartials.GAUGE_DIAL, lastState);
+        InstancedModel<ModelData> headModel = getHeadModel();
+
+        ms = new MatrixStack();
+        MatrixStacker msr = MatrixStacker.of(ms);
+        msr.translate(getFloatingPos());
+
+        float progress = MathHelper.lerp(AnimationTickHolder.getPartialTicks(), gaugeTile.prevDialState, gaugeTile.dialState);
+
+        for (Direction facing : Iterate.directions) {
+            if (!gaugeBlock.shouldRenderHeadOnFace(world, pos, lastState, facing))
+                continue;
+
+            DialFace face = makeFace(facing, dialModel, headModel);
+
+            faces.add(face);
+
+            face.setupTransform(msr, progress);
+        }
+
+        updateLight();
+    }
+
+    private DialFace makeFace(Direction face, InstancedModel<ModelData> dialModel, InstancedModel<ModelData> headModel) {
+        return new DialFace(face, dialModel.createInstance(), headModel.createInstance());
+    }
+
+    @Override
+    public void tick() {
+        GaugeTileEntity gaugeTile = (GaugeTileEntity) tile;
+
+        if (MathHelper.epsilonEquals(gaugeTile.prevDialState, gaugeTile.dialState))
+            return;
+
+        float progress = MathHelper.lerp(AnimationTickHolder.getPartialTicks(), gaugeTile.prevDialState, gaugeTile.dialState);
+
+        MatrixStacker msr = MatrixStacker.of(ms);
+
+        for (DialFace faceEntry : faces) {
+            faceEntry.updateTransform(msr, progress);
+        }
+    }
+
+    @Override
+    public void updateLight() {
+        super.updateLight();
+
+        relight(pos, faces.stream()
+                          .flatMap(Couple::stream)
+                          .map(InstanceKey::getInstance));
+    }
+
+    @Override
+    public void remove() {
+        super.remove();
+
+        faces.forEach(DialFace::delete);
+    }
+
+    protected abstract InstancedModel<ModelData> getHeadModel();
+
+    private class DialFace extends Couple<InstanceKey<ModelData>> {
+
+        Direction face;
+
+        public DialFace(Direction face, InstanceKey<ModelData> first, InstanceKey<ModelData> second) {
+            super(first, second);
+            this.face = face;
+        }
+
+        private void setupTransform(MatrixStacker msr, float progress) {
+            float dialPivot = 5.75f / 16;
+
+            ms.push();
+            rotateToFace(msr);
+
+            getSecond().getInstance().setTransform(ms);
+
+            msr.translate(0, dialPivot, dialPivot)
+               .rotate(Direction.EAST, (float) (Math.PI / 2 * -progress))
+               .translate(0, -dialPivot, -dialPivot);
+
+            getFirst().getInstance().setTransform(ms);
+
+            ms.pop();
+        }
+
+        private void updateTransform(MatrixStacker msr, float progress) {
+            float dialPivot = 5.75f / 16;
+
+            ms.push();
+
+            rotateToFace(msr)
+                    .translate(0, dialPivot, dialPivot)
+                    .rotate(Direction.EAST, (float) (Math.PI / 2 * -progress))
+                    .translate(0, -dialPivot, -dialPivot);
+
+            getFirst().getInstance().setTransform(ms);
+
+            ms.pop();
+        }
+
+        protected MatrixStacker rotateToFace(MatrixStacker msr) {
+            return msr.centre()
+                      .rotate(Direction.UP, (float) ((-face.getHorizontalAngle() - 90) / 180 * Math.PI))
+                      .unCentre();
+        }
+
+        private void delete() {
+            getFirst().delete();
+            getSecond().delete();
+        }
+    }
+
+    public static class Speed extends GaugeInstance {
+        public Speed(InstancedTileRenderer<?> dispatcher, KineticTileEntity tile) {
+            super(dispatcher, tile);
+        }
+
+        @Override
+        protected InstancedModel<ModelData> getHeadModel() {
+            return modelManager.getMaterial(RenderMaterials.MODELS).getModel(AllBlockPartials.GAUGE_HEAD_SPEED, lastState);
+        }
+    }
+
+    public static class Stress extends GaugeInstance {
+        public Stress(InstancedTileRenderer<?> dispatcher, KineticTileEntity tile) {
+            super(dispatcher, tile);
+        }
+
+        @Override
+        protected InstancedModel<ModelData> getHeadModel() {
+            return modelManager.getMaterial(RenderMaterials.MODELS).getModel(AllBlockPartials.GAUGE_HEAD_STRESS, lastState);
+        }
+    }
+}

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

@@ -7,6 +7,7 @@ import com.simibubi.create.content.contraptions.base.KineticTileEntity;
 import com.simibubi.create.content.contraptions.base.KineticTileEntityRenderer;
 import com.simibubi.create.content.contraptions.relays.gauge.GaugeBlock.Type;
 import com.simibubi.create.foundation.render.SuperByteBuffer;
+import com.simibubi.create.foundation.render.backend.FastRenderDispatcher;
 import com.simibubi.create.foundation.utility.Iterate;
 
 import net.minecraft.block.BlockState;
@@ -37,6 +38,8 @@ public class GaugeRenderer extends KineticTileEntityRenderer {
 	@Override
 	protected void renderSafe(KineticTileEntity te, float partialTicks, MatrixStack ms, IRenderTypeBuffer buffer,
 		int light, int overlay) {
+		if (FastRenderDispatcher.available(te.getWorld())) return;
+
 		super.renderSafe(te, partialTicks, ms, buffer, light, overlay);
 		BlockState gaugeState = te.getBlockState();
 		GaugeTileEntity gaugeTE = (GaugeTileEntity) te;
@@ -47,14 +50,14 @@ public class GaugeRenderer extends KineticTileEntityRenderer {
 				.renderOn(gaugeState);
 		SuperByteBuffer dialBuffer = AllBlockPartials.GAUGE_DIAL.renderOn(gaugeState);
 
+		float dialPivot = 5.75f / 16;
+		float progress = MathHelper.lerp(partialTicks, gaugeTE.prevDialState, gaugeTE.dialState);
+
 		for (Direction facing : Iterate.directions) {
 			if (!((GaugeBlock) gaugeState.getBlock()).shouldRenderHeadOnFace(te.getWorld(), te.getPos(), gaugeState,
 				facing))
 				continue;
 
-			float dialPivot = 5.75f / 16;
-			float progress = MathHelper.lerp(partialTicks, gaugeTE.prevDialState, gaugeTE.dialState);
-
 			IVertexBuilder vb = buffer.getBuffer(RenderType.getSolid());
 			rotateBufferTowards(dialBuffer, facing).translate(0, dialPivot, dialPivot)
 				.rotate(Direction.EAST, (float) (Math.PI / 2 * -progress))

src/main/java/com/simibubi/create/content/contraptions/relays/gearbox/GearboxInstance.java

@@ -99,14 +99,7 @@ public class GearboxInstance extends KineticTileInstance<GearboxTileEntity> {
 
     @Override
     public void updateLight() {
-        int blockLight = tile.getWorld().getLightLevel(LightType.BLOCK, pos);
+        relight(pos, keys.values().stream().map(InstanceKey::getInstance));
-        int skyLight = tile.getWorld().getLightLevel(LightType.SKY, pos);
-
-        for (InstanceKey<RotatingData> key : keys.values()) {
-            key.getInstance()
-               .setBlockLight(blockLight)
-               .setSkyLight(skyLight);
-        }
     }
 
     @Override

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

@@ -73,7 +73,7 @@ public class ArmInstance extends SingleRotatingInstance implements ITickableInst
     public void tick() {
         ArmTileEntity arm = (ArmTileEntity) tile;
 
-        boolean settled = Stream.of(arm.baseAngle, arm.lowerArmAngle, arm.upperArmAngle, arm.headAngle).allMatch(InterpolatedValue::settled);
+        boolean settled = arm.baseAngle.settled() && arm.lowerArmAngle.settled() && arm.upperArmAngle.settled() && arm.headAngle.settled();
         boolean rave = arm.phase == ArmTileEntity.Phase.DANCING;
 
         if (!settled || rave || firstTick)
@@ -154,13 +154,8 @@ public class ArmInstance extends SingleRotatingInstance implements ITickableInst
     @Override
     public void updateLight() {
         super.updateLight();
-        int block = world.getLightLevel(LightType.BLOCK, pos);
-        int sky = world.getLightLevel(LightType.SKY, pos);
 
-
+        relight(pos, models.stream().map(InstanceKey::getInstance));
-        models.stream()
-              .map(InstanceKey::getInstance)
-              .forEach(data -> data.setSkyLight(sky).setBlockLight(block));
     }
 
     @Override

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

@@ -81,15 +81,6 @@ public class SchematicannonInstance extends TileEntityInstance<SchematicannonTil
 
     @Override
     public void updateLight() {
-        int block = world.getLightLevel(LightType.BLOCK, pos);
+        relight(pos, connector.getInstance(), pipe.getInstance());
-        int sky = world.getLightLevel(LightType.SKY, pos);
-
-        connector.getInstance()
-                 .setBlockLight(block)
-                 .setSkyLight(sky);
-
-        pipe.getInstance()
-            .setBlockLight(block)
-            .setSkyLight(sky);
     }
 }

src/main/java/com/simibubi/create/foundation/render/backend/instancing/InstancedModel.java

@@ -34,6 +34,8 @@ public abstract class InstancedModel<D extends InstanceData> extends BufferedMod
     protected int minIndexChanged = -1;
     protected int maxIndexChanged = -1;
 
+    protected boolean anyToRemove;
+
     public InstancedModel(InstancedTileRenderer<?> renderer, BufferBuilder buf) {
         super(buf);
         this.renderer = renderer;
@@ -73,6 +75,8 @@ public abstract class InstancedModel<D extends InstanceData> extends BufferedMod
         verifyKey(key);
 
         key.invalidate();
+
+        anyToRemove = true;
     }
 
     public D getInstance(InstanceKey<D> key) {
@@ -161,6 +165,8 @@ public abstract class InstancedModel<D extends InstanceData> extends BufferedMod
 
     // copied from ArrayList#removeIf
     protected boolean doRemoval() {
+        if (!anyToRemove) return false;
+
         // figure out which elements are to be removed
         // any exception thrown from the filter predicate at this stage
         // will leave the collection unmodified
@@ -198,6 +204,8 @@ public abstract class InstancedModel<D extends InstanceData> extends BufferedMod
             maxIndexChanged = newSize - 1;
         }
 
+        this.anyToRemove = false;
+
         return anyToRemove;
     }
 

src/main/java/com/simibubi/create/foundation/render/backend/instancing/InstancedTileRenderer.java

@@ -6,8 +6,10 @@ import javax.annotation.Nullable;
 
 import com.simibubi.create.foundation.ponder.PonderWorld;
 import com.simibubi.create.foundation.render.backend.Backend;
+import com.simibubi.create.foundation.render.backend.RenderMaterials;
 import com.simibubi.create.foundation.render.backend.gl.BasicProgram;
 import com.simibubi.create.foundation.render.backend.gl.shader.ShaderCallback;
+import com.simibubi.create.foundation.render.backend.instancing.impl.ModelData;
 import com.simibubi.create.foundation.utility.AnimationTickHolder;
 
 import net.minecraft.client.Minecraft;
@@ -67,6 +69,10 @@ public abstract class InstancedTileRenderer<P extends BasicProgram> {
         return (RenderMaterial<P, M>) materials.get(materialType);
     }
 
+    public RenderMaterial<P, InstancedModel<ModelData>> basicMaterial() {
+        return getMaterial(RenderMaterials.MODELS);
+    }
+
     @Nullable
     public <T extends TileEntity> TileEntityInstance<? super T> getInstance(T tile) {
         return getInstance(tile, true);

src/main/java/com/simibubi/create/foundation/render/backend/instancing/TileEntityInstance.java

@@ -1,5 +1,6 @@
 package com.simibubi.create.foundation.render.backend.instancing;
 
+import com.simibubi.create.foundation.render.backend.instancing.impl.IFlatLight;
 import com.simibubi.create.foundation.render.backend.instancing.impl.ModelData;
 import net.minecraft.block.BlockState;
 import net.minecraft.tileentity.TileEntity;
@@ -7,6 +8,9 @@ import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.LightType;
 import net.minecraft.world.World;
 
+import java.util.Arrays;
+import java.util.stream.Stream;
+
 public abstract class TileEntityInstance<T extends TileEntity> {
 
     protected final InstancedTileRenderer<?> modelManager;
@@ -60,13 +64,19 @@ public abstract class TileEntityInstance<T extends TileEntity> {
         return pos.subtract(modelManager.getOriginCoordinate());
     }
 
-    protected void relight(BlockPos pos, ModelData... models) {
+    protected <L extends IFlatLight<?>> void relight(BlockPos pos, IFlatLight<?>... models) {
         relight(world.getLightLevel(LightType.BLOCK, pos), world.getLightLevel(LightType.SKY, pos), models);
     }
 
-    protected void relight(int block, int sky, ModelData... models) {
+    protected <L extends IFlatLight<?>> void relight(BlockPos pos, Stream<IFlatLight<?>> models) {
-        for (ModelData model : models) {
+        relight(world.getLightLevel(LightType.BLOCK, pos), world.getLightLevel(LightType.SKY, pos), models);
-            model.setBlockLight(block).setSkyLight(sky);
+    }
-        }
+
+    protected <L extends IFlatLight<?>> void relight(int block, int sky, IFlatLight<?>... models) {
+        relight(block, sky, Arrays.stream(models));
+    }
+
+    protected <L extends IFlatLight<?>> void relight(int block, int sky, Stream<IFlatLight<?>> models) {
+        models.forEach(model -> model.setBlockLight(block).setSkyLight(sky));
     }
 }

src/main/java/com/simibubi/create/foundation/render/backend/instancing/impl/IFlatLight.java

@@ -0,0 +1,26 @@
+package com.simibubi.create.foundation.render.backend.instancing.impl;
+
+import com.simibubi.create.foundation.render.backend.instancing.InstanceData;
+
+/**
+ * An interface that implementors of {@link InstanceData} should also implement
+ * if they wish to make use of Flywheel's provided light update methods.
+ *
+ * This only covers flat lighting, smooth lighting is still TODO.
+ * @param <D> The name of the class that implements this interface.
+ */
+public interface IFlatLight<D extends InstanceData & IFlatLight<D>> {
+    /**
+     * @param blockLight An integer in the range [0, 15] representing the
+     *                   amount of block light this instance should receive.
+     * @return <code>this</code>
+     */
+    D setBlockLight(int blockLight);
+
+    /**
+     * @param skyLight An integer in the range [0, 15] representing the
+     *                 amount of sky light this instance should receive.
+     * @return <code>this</code>
+     */
+    D setSkyLight(int skyLight);
+}

src/main/java/com/simibubi/create/foundation/render/backend/instancing/impl/ModelData.java

@@ -9,7 +9,7 @@ import net.minecraft.client.renderer.Matrix4f;
 
 import java.nio.ByteBuffer;
 
-public class ModelData extends InstanceData {
+public class ModelData extends InstanceData implements IFlatLight<ModelData> {
     private static final Matrix4f IDENT4 = new Matrix4f();
     private static final Matrix3f IDENT3 = new Matrix3f();
     static {
@@ -54,11 +54,13 @@ public class ModelData extends InstanceData {
         return this;
     }
 
+    @Override
     public ModelData setBlockLight(int blockLight) {
         this.blockLight = (byte) (blockLight << 4);
         return this;
     }
 
+    @Override
     public ModelData setSkyLight(int skyLight) {
         this.skyLight = (byte) (skyLight << 4);
         return this;

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

@@ -6,6 +6,7 @@ import java.util.function.BiConsumer;
 import java.util.function.BiFunction;
 import java.util.function.Consumer;
 import java.util.function.Function;
+import java.util.stream.Stream;
 
 import com.google.common.base.Supplier;
 import com.google.common.collect.ImmutableList;
@@ -104,6 +105,10 @@ public class Couple<T> extends Pair<T, T> implements Iterable<T> {
 		return new Couplerator<>(this);
 	}
 
+	public Stream<T> stream() {
+		return Stream.of(first, second);
+	}
+
 	private static class Couplerator<T> implements Iterator<T> {
 
 		int state;

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

@@ -24,6 +24,15 @@ public class MatrixStacker {
 		return instance;
 	}
 
+	public MatrixStacker restoreIdentity() {
+		MatrixStack.Entry entry = ms.peek();
+
+		entry.getModel().loadIdentity();
+		entry.getNormal().loadIdentity();
+
+		return this;
+	}
+
 	public MatrixStacker rotate(Direction axis, float radians) {
 		if (radians == 0)
 			return this;

src/main/java/com/simibubi/create/foundation/utility/animation/LerpedFloat.java

@@ -81,6 +81,10 @@ public class LerpedFloat {
 		return MathHelper.lerp(partialTicks, previousValue, value);
 	}
 
+	public boolean settled() {
+		return MathHelper.epsilonEquals(previousValue, value);
+	}
+
 	public float getChaseTarget() {
 		return chaseTarget;
 	}