non experimental contraption rendering is back.

schematic rendering is fixed.
both of these are kinda ugly hacks, and there is definitely some rewriting necessary for when it's time to be more opengl compatible.

maybe fix belt lighting, again.
remove old belt assets.

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

@@ -41,7 +41,7 @@ public class KineticTileEntityRenderer extends SafeTileEntityRenderer<KineticTil
 	@Override
 	protected void renderSafe(KineticTileEntity te, float partialTicks, MatrixStack ms, IRenderTypeBuffer buffer,
 		int light, int overlay) {
-		if (FastRenderDispatcher.available()) return;
+		if (FastRenderDispatcher.available(te.getWorld())) return;
 
 		for (RenderType type : RenderType.getBlockLayers())
 			if (RenderTypeLookup.canRenderInLayer(te.getBlockState(), type))

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

@@ -2,6 +2,7 @@ package com.simibubi.create.content.contraptions.components.actors;
 
 import com.mojang.blaze3d.matrix.MatrixStack;
 import com.simibubi.create.content.contraptions.components.structureMovement.MovementContext;
+import com.simibubi.create.foundation.render.FastRenderDispatcher;
 import com.simibubi.create.foundation.render.contraption.RenderedContraption;
 import com.simibubi.create.foundation.utility.VecHelper;
 
@@ -32,7 +33,8 @@ public class DrillMovementBehaviour extends BlockBreakingMovementBehaviour {
 	@OnlyIn(value = Dist.CLIENT)
 	public void renderInContraption(MovementContext context, MatrixStack ms, MatrixStack msLocal,
 		IRenderTypeBuffer buffer) {
-		//DrillRenderer.renderInContraption(context, ms, msLocal, buffer);
+		if (!FastRenderDispatcher.available())
+			DrillRenderer.renderInContraption(context, ms, msLocal, buffer);
 	}
 
 	@Override

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

@@ -2,6 +2,7 @@ package com.simibubi.create.content.contraptions.components.actors;
 
 import static net.minecraft.block.HorizontalBlock.HORIZONTAL_FACING;
 
+import com.simibubi.create.foundation.render.FastRenderDispatcher;
 import com.simibubi.create.foundation.render.contraption.RenderedContraption;
 import org.apache.commons.lang3.mutable.MutableBoolean;
 
@@ -49,7 +50,8 @@ public class HarvesterMovementBehaviour extends MovementBehaviour {
 	@Override
 	public void renderInContraption(MovementContext context, MatrixStack ms, MatrixStack msLocal,
 		IRenderTypeBuffer buffers) {
-		//HarvesterRenderer.renderInContraption(context, ms, msLocal, buffers);
+		if (!FastRenderDispatcher.available())
+			HarvesterRenderer.renderInContraption(context, ms, msLocal, buffers);
 	}
 
 	@Override

src/main/java/com/simibubi/create/content/contraptions/components/crafter/MechanicalCrafterRenderer.java

@@ -153,7 +153,7 @@ public class MechanicalCrafterRenderer extends SafeTileEntityRenderer<Mechanical
 		BlockState blockState = te.getBlockState();
 		IVertexBuilder vb = buffer.getBuffer(RenderType.getSolid());
 
-		if (!FastRenderDispatcher.available()) {
+		if (!FastRenderDispatcher.available(te.getWorld())) {
 			SuperByteBuffer superBuffer = AllBlockPartials.SHAFTLESS_COGWHEEL.renderOn(blockState);
 			standardKineticRotationTransform(superBuffer, te, light);
 			superBuffer.rotateCentered(Direction.UP, (float) (blockState.get(HORIZONTAL_FACING).getAxis() != Direction.Axis.X ? 0 : Math.PI / 2));

src/main/java/com/simibubi/create/content/contraptions/components/deployer/DeployerRenderer.java

@@ -104,7 +104,7 @@ public class DeployerRenderer extends SafeTileEntityRenderer<DeployerTileEntity>
 	protected void renderComponents(DeployerTileEntity te, float partialTicks, MatrixStack ms, IRenderTypeBuffer buffer,
 		int light, int overlay) {
 		IVertexBuilder vb = buffer.getBuffer(RenderType.getSolid());
-		if (!FastRenderDispatcher.available()) {
+		if (!FastRenderDispatcher.available(te.getWorld())) {
 			KineticTileEntityRenderer.renderRotatingKineticBlock(te, getRenderedBlockState(te), ms, vb, light);
 		}
 

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

@@ -28,7 +28,7 @@ public class EncasedFanRenderer extends KineticTileEntityRenderer {
 	@Override
 	protected void renderSafe(KineticTileEntity te, float partialTicks, MatrixStack ms, IRenderTypeBuffer buffer,
 		int light, int overlay) {
-		if (FastRenderDispatcher.available()) return;
+		if (FastRenderDispatcher.available(te.getWorld())) return;
 
 		Direction direction = te.getBlockState()
 			.get(FACING);

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

@@ -38,7 +38,7 @@ public class MechanicalMixerRenderer extends KineticTileEntityRenderer {
 
 		IVertexBuilder vb = buffer.getBuffer(RenderType.getSolid());
 
-		if (!FastRenderDispatcher.available()) {
+		if (!FastRenderDispatcher.available(te.getWorld())) {
 			SuperByteBuffer superBuffer = AllBlockPartials.SHAFTLESS_COGWHEEL.renderOn(blockState);
 			standardKineticRotationTransform(superBuffer, te, light).renderInto(ms, vb);
 		}

src/main/java/com/simibubi/create/content/contraptions/components/saw/SawRenderer.java

@@ -45,7 +45,7 @@ public class SawRenderer extends SafeTileEntityRenderer<SawTileEntity> {
 		renderItems(te, partialTicks, ms, buffer, light, overlay);
 		FilteringRenderer.renderOnTileEntity(te, partialTicks, ms, buffer, light, overlay);
 
-		if (FastRenderDispatcher.available()) return;
+		if (FastRenderDispatcher.available(te.getWorld())) return;
 
 		renderShaft(te, ms, buffer, light, overlay);
 	}

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

@@ -1,6 +1,8 @@
 package com.simibubi.create.content.contraptions.components.structureMovement;
 
 import com.mojang.blaze3d.matrix.MatrixStack;
+import com.simibubi.create.foundation.render.FastRenderDispatcher;
+import com.simibubi.create.foundation.render.gl.backend.Backend;
 import com.simibubi.create.foundation.utility.AnimationTickHolder;
 import net.minecraft.client.renderer.IRenderTypeBuffer;
 import net.minecraft.client.renderer.culling.ClippingHelperImpl;
@@ -55,8 +57,11 @@ public abstract class AbstractContraptionEntityRenderer<C extends AbstractContra
 		transform(entity, partialTicks, matrixStacks);
 		Contraption contraption = entity.getContraption();
 		if (contraption != null) {
-			ContraptionRenderer.renderDynamic(entity.world, contraption, ms, msLocal, buffers);
+			if (!FastRenderDispatcher.available()) {
-			//ContraptionRenderDispatcher.markForRendering(entity.world, contraption, msLocal);
+				ContraptionRenderer.render(entity.world, contraption, ms, msLocal, buffers);
+			} else {
+				ContraptionRenderer.renderDynamic(entity.world, contraption, ms, msLocal, buffers);
+			}
 		}
 		ms.pop();
 

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

@@ -3,6 +3,7 @@ package com.simibubi.create.content.contraptions.components.structureMovement;
 import java.util.List;
 import java.util.Random;
 
+import com.simibubi.create.foundation.render.*;
 import net.minecraft.world.lighting.WorldLightManager;
 import org.apache.commons.lang3.tuple.Pair;
 import org.lwjgl.opengl.GL11;
@@ -11,10 +12,6 @@ import com.mojang.blaze3d.matrix.MatrixStack;
 import com.simibubi.create.AllMovementBehaviours;
 import com.simibubi.create.CreateClient;
 import com.simibubi.create.foundation.utility.MatrixStacker;
-import com.simibubi.create.foundation.render.SuperByteBuffer;
-import com.simibubi.create.foundation.render.SuperByteBufferCache;
-import com.simibubi.create.foundation.render.Compartment;
-import com.simibubi.create.foundation.render.TileEntityRenderHelper;
 import com.simibubi.create.foundation.utility.worldWrappers.PlacementSimulationWorld;
 
 import net.minecraft.block.BlockRenderType;
@@ -77,7 +74,11 @@ public class ContraptionRenderer {
 
 	protected static void renderTileEntities(World world, Contraption c, MatrixStack ms, MatrixStack msLocal,
 		IRenderTypeBuffer buffer) {
-		TileEntityRenderHelper.renderTileEntities(world, c.specialRenderedTileEntities, ms, msLocal, buffer);
+		if (FastRenderDispatcher.available()) {
+			TileEntityRenderHelper.renderTileEntities(world, c.specialRenderedTileEntities, ms, msLocal, buffer);
+		} else {
+			TileEntityRenderHelper.renderTileEntities(world, c.maybeInstancedTileEntities, ms, msLocal, buffer);
+		}
 	}
 
 	private static SuperByteBuffer buildStructureBuffer(Contraption c, RenderType layer) {

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

@@ -22,7 +22,7 @@ public class SpeedControllerRenderer extends SmartTileEntityRenderer<SpeedContro
 			IRenderTypeBuffer buffer, int light, int overlay) {
 		super.renderSafe(tileEntityIn, partialTicks, ms, buffer, light, overlay);
 
-		if (FastRenderDispatcher.available()) return;
+		if (FastRenderDispatcher.available(tileEntityIn.getWorld())) return;
 
 		KineticTileEntityRenderer.renderRotatingBuffer(tileEntityIn, getRotatedModel(tileEntityIn), ms,
 				buffer.getBuffer(RenderType.getSolid()), light);

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

@@ -50,7 +50,7 @@ public class BeltRenderer extends SafeTileEntityRenderer<BeltTileEntity> {
 	protected void renderSafe(BeltTileEntity te, float partialTicks, MatrixStack ms, IRenderTypeBuffer buffer,
 							  int light, int overlay) {
 
-		if (!FastRenderDispatcher.available()) {
+		if (!FastRenderDispatcher.available(te.getWorld())) {
 
 			BlockState blockState = te.getBlockState();
 			if (!AllBlocks.BELT.has(blockState)) return;

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

@@ -99,6 +99,9 @@ public class BeltTileEntity extends KineticTileEntity {
 
 		initializeItemHandler();
 
+		if (blockLight == -1)
+			updateLight();
+
 		// Move Items
 		if (!isController())
 			return;
@@ -125,9 +128,6 @@ public class BeltTileEntity extends KineticTileEntity {
 			BeltMovementHandler.transportEntity(this, entity, info);
 		});
 		toRemove.forEach(passengers::remove);
-
-		if (blockLight == -1)
-			updateLight();
 	}
 
 	@Override

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

@@ -28,7 +28,7 @@ public class SplitShaftRenderer extends KineticTileEntityRenderer {
 	@Override
 	protected void renderSafe(KineticTileEntity te, float partialTicks, MatrixStack ms, IRenderTypeBuffer buffer,
 			int light, int overlay) {
-		if (FastRenderDispatcher.available()) return;
+		if (FastRenderDispatcher.available(te.getWorld())) return;
 
 		Block block = te.getBlockState().getBlock();
 		final Axis boxAxis = ((IRotate) block).getRotationAxis(te.getBlockState());

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

@@ -26,7 +26,7 @@ public class GearboxRenderer extends KineticTileEntityRenderer {
 	@Override
 	protected void renderSafe(KineticTileEntity te, float partialTicks, MatrixStack ms, IRenderTypeBuffer buffer,
 			int light, int overlay) {
-		if (FastRenderDispatcher.available()) return;
+		if (FastRenderDispatcher.available(te.getWorld())) return;
 
 		final Axis boxAxis = te.getBlockState().get(BlockStateProperties.AXIS);
 		final BlockPos pos = te.getPos();

src/main/java/com/simibubi/create/content/schematics/client/SchematicHandler.java

@@ -56,7 +56,7 @@ public class SchematicHandler {
 	public SchematicHandler() {
 		renderers = new Vector<>(3);
 		for (int i = 0; i < renderers.capacity(); i++)
-			renderers.add(new SchematicRendererWithInstancing());
+			renderers.add(new SchematicRenderer());
 
 		overlay = new SchematicHotbarSlotOverlay();
 		currentTool = Tools.Deploy;

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

@@ -4,6 +4,7 @@ import com.mojang.blaze3d.matrix.MatrixStack;
 import com.mojang.blaze3d.systems.RenderSystem;
 import com.simibubi.create.CreateClient;
 import com.simibubi.create.content.contraptions.KineticDebugger;
+import com.simibubi.create.content.schematics.SchematicWorld;
 import com.simibubi.create.foundation.render.contraption.ContraptionRenderDispatcher;
 import com.simibubi.create.foundation.render.gl.backend.Backend;
 import com.simibubi.create.foundation.render.gl.backend.OptifineHandler;
@@ -24,6 +25,7 @@ import net.minecraft.util.math.MathHelper;
 import net.minecraft.util.math.SectionPos;
 import net.minecraft.world.ILightReader;
 import net.minecraft.world.LightType;
+import net.minecraft.world.World;
 import net.minecraft.world.chunk.Chunk;
 import org.lwjgl.opengl.GL11;
 import org.lwjgl.opengl.GL20;
@@ -62,6 +64,10 @@ public class FastRenderDispatcher {
         return Backend.enabled;
     }
 
+    public static boolean available(World world) {
+        return Backend.enabled && !(world instanceof SchematicWorld);
+    }
+
     public static int getDebugMode() {
         return KineticDebugger.isActive() ? 1 : 0;
     }

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

@@ -2,6 +2,7 @@ package com.simibubi.create.foundation.render.instancing;
 
 import com.simibubi.create.foundation.render.FastRenderDispatcher;
 import com.simibubi.create.foundation.render.gl.BasicProgram;
+import com.simibubi.create.foundation.render.gl.backend.Backend;
 import com.simibubi.create.foundation.render.gl.shader.ShaderCallback;
 import com.simibubi.create.foundation.utility.AnimationTickHolder;
 import net.minecraft.client.renderer.Matrix4f;
@@ -37,6 +38,8 @@ public abstract class InstancedTileRenderer<P extends BasicProgram> {
     @SuppressWarnings("unchecked")
     @Nullable
     public <T extends TileEntity> TileEntityInstance<? super T> getInstance(T tile, boolean create) {
+        if (!Backend.enabled) return null;
+
         TileEntityInstance<?> instance = instances.get(tile);
 
         if (instance != null) {