fixed the worm.

src/main/java/de/ellpeck/actuallyadditions/mod/ActuallyAdditionsClient.java

@@ -12,6 +12,7 @@ package de.ellpeck.actuallyadditions.mod;
 
 import de.ellpeck.actuallyadditions.mod.blocks.ActuallyBlocks;
 import de.ellpeck.actuallyadditions.mod.blocks.render.*;
+import de.ellpeck.actuallyadditions.mod.entity.EntityWorm;
 import de.ellpeck.actuallyadditions.mod.entity.InitEntities;
 import de.ellpeck.actuallyadditions.mod.entity.RenderWorm;
 import de.ellpeck.actuallyadditions.mod.event.ClientEvents;
@@ -29,6 +30,7 @@ import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.BlockRayTraceResult;
 import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.fml.client.registry.ClientRegistry;
+import net.minecraftforge.fml.client.registry.RenderingRegistry;
 import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
 
 public class ActuallyAdditionsClient {
@@ -60,7 +62,6 @@ public class ActuallyAdditionsClient {
         ScreenManager.register(ActuallyContainers.RANGED_COLLECTOR_CONTAINER.get(), GuiRangedCollector::new);
         ScreenManager.register(ActuallyContainers.XPSOLIDIFIER_CONTAINER.get(), GuiXPSolidifier::new);
         // From old proxy
-        InitEntities.initClient();
         MinecraftForge.EVENT_BUS.register(new ClientEvents());
         MinecraftForge.EVENT_BUS.register(new ClientRegistryHandler());
         MinecraftForge.EVENT_BUS.register(new SpecialRenderInit());
@@ -99,6 +100,8 @@ public class ActuallyAdditionsClient {
         ClientRegistry.bindTileEntityRenderer(ActuallyBlocks.LASER_RELAY_ITEM.getTileEntityType(), RenderLaserRelay::new);
         ClientRegistry.bindTileEntityRenderer(ActuallyBlocks.LASER_RELAY_ITEM_ADVANCED.getTileEntityType(), RenderLaserRelay::new);
         ClientRegistry.bindTileEntityRenderer(ActuallyBlocks.LASER_RELAY_FLUIDS.getTileEntityType(), RenderLaserRelay::new);
+
+        RenderingRegistry.registerEntityRenderingHandler(ActuallyAdditions.ENTITY_WORM.get(), RenderWorm::new);
     }
 
     // TODO: [port] validate that this works

src/main/java/de/ellpeck/actuallyadditions/mod/entity/EntityWorm.java

@@ -17,11 +17,13 @@ import net.minecraft.entity.Entity;
 import net.minecraft.entity.EntityType;
 import net.minecraft.nbt.CompoundNBT;
 import net.minecraft.network.IPacket;
+import net.minecraft.network.play.server.SSpawnObjectPacket;
 import net.minecraft.util.math.AxisAlignedBB;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
 import net.minecraft.world.server.ServerWorld;
 import net.minecraftforge.common.IPlantable;
+import net.minecraftforge.fml.network.NetworkHooks;
 
 public class EntityWorm extends Entity {
 
@@ -128,6 +130,6 @@ public class EntityWorm extends Entity {
 
     @Override
     public IPacket<?> getAddEntityPacket() {
-        return null;
+        return NetworkHooks.getEntitySpawningPacket(this);
     }
 }

src/main/java/de/ellpeck/actuallyadditions/mod/entity/RenderWorm.java

@@ -23,6 +23,7 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.Util;
 import net.minecraft.util.math.vector.Quaternion;
+import net.minecraft.util.math.vector.Vector3f;
 import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.api.distmarker.OnlyIn;
 
@@ -46,9 +47,8 @@ public class RenderWorm extends EntityRenderer<EntityWorm> {
 
         matrix.translate(0, 0.7F, 0);
         double boop = Util.getMillis() / 70D;
-        matrix.mulPose(new Quaternion(-(float) (boop % 360), 0, 1, 0));
+        matrix.mulPose(Vector3f.YP.rotationDegrees(-(float) (boop % 360)));
-
+        matrix.translate(0,0,0.4);
-//        stack.getDisplayName()
         Minecraft.getInstance().getItemRenderer().renderStatic(
                 stack, ItemCameraTransforms.TransformType.FIXED, light, OverlayTexture.NO_OVERLAY, matrix, buffer
         );
@@ -56,21 +56,6 @@ public class RenderWorm extends EntityRenderer<EntityWorm> {
         matrix.popPose();
     }
 
-//    @Override
-//    public void doRender(EntityWorm entity, double x, double y, double z, float entityYaw, float partialTicks) {
-//        GlStateManager.pushMatrix();
-//        this.bindEntityTexture(entity);
-//        GlStateManager.translate(x, y + 0.7F, z);
-//        double boop = Minecraft.getSystemTime() / 70D;
-//        GlStateManager.rotate(-(float) (boop % 360), 0, 1, 0);
-//        GlStateManager.translate(0, 0, 0.4);
-//
-//        stack.setStackDisplayName(entity.getName());
-//        AssetUtil.renderItemInWorld(stack, combinedLightIn, combinedOverlayIn, matrices, buffer);
-//
-//        GlStateManager.popMatrix();
-//    }
-
     @Override
     public ResourceLocation getTextureLocation(EntityWorm pEntity) {
         return PlayerContainer.BLOCK_ATLAS;