Did a bit more

src/main/java/net/montoyo/wd/block/BlockPeripheral.java

@@ -30,6 +30,7 @@ import net.minecraft.util.math.Vec3i;
 import net.minecraft.world.Explosion;
 import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
+import net.minecraft.world.item.BlockItem;
 import net.minecraftforge.fml.common.network.NetworkRegistry;
 import net.montoyo.wd.WebDisplays;
 import net.montoyo.wd.core.DefaultPeripheral;
@@ -57,7 +58,7 @@ public class BlockPeripheral extends WDBlockContainer {
     }
 
     @Override
-    protected ItemBlock createItemBlock() {
+    protected BlockItem createItemBlock() {
         return new ItemPeripheral(this);
     }
 

src/main/java/net/montoyo/wd/block/BlockScreen.java

@@ -28,6 +28,8 @@ import net.minecraft.util.text.TextFormatting;
 import net.minecraft.world.Explosion;
 import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
+import net.minecraft.world.level.block.state.properties.BooleanProperty;
+import net.minecraft.world.level.block.state.properties.Property;
 import net.minecraftforge.common.property.ExtendedBlockState;
 import net.minecraftforge.common.property.IExtendedBlockState;
 import net.minecraftforge.common.property.IUnlistedProperty;
@@ -47,9 +49,9 @@ import java.util.List;
 
 public class BlockScreen extends WDBlockContainer {
 
-    public static final PropertyBool hasTE = PropertyBool.create("haste");
-    public static final PropertyBool emitting = PropertyBool.create("emitting");
-    private static final IProperty[] properties = new IProperty[] { hasTE, emitting };
+    public static final BooleanProperty hasTE = BooleanProperty.create("haste");
+    public static final BooleanProperty emitting = BooleanProperty.create("emitting");
+    private static final Property[] properties = new IProperty[] { hasTE, emitting };
     public static final IUnlistedProperty<Integer>[] sideFlags = new IUnlistedProperty[6];
     static {
         for(int i = 0; i < sideFlags.length; i++)

src/main/java/net/montoyo/wd/block/WDBlockContainer.java

@@ -8,14 +8,18 @@ import net.minecraft.block.BlockContainer;
 import net.minecraft.block.material.MapColor;
 import net.minecraft.block.material.Material;
 import net.minecraft.item.ItemBlock;
+import net.minecraft.world.item.BlockItem;
 import net.minecraft.world.level.block.entity.BaseContainerBlockEntity;
+import net.minecraft.world.level.block.entity.BlockEntityType;
+import net.minecraft.world.level.block.state.BlockBehaviour;
+import net.minecraft.world.level.block.state.BlockState;
 
 public abstract class WDBlockContainer extends BaseContainerBlockEntity {
 
-    protected ItemBlock itemBlock;
+    protected BlockItem itemBlock;
 
-    public WDBlockContainer(Material material) {
-        super(material);
+    public WDBlockContainer(BlockEntityType<?> type, BlockBehaviour.Properties material, BlockState state) {
+        super(type, material, state);
     }
 
     protected void setName(String name) {
@@ -23,7 +27,7 @@ public abstract class WDBlockContainer extends BaseContainerBlockEntity {
         setRegistryName(name);
     }
 
-    protected abstract ItemBlock createItemBlock();
+    protected abstract BlockItem createItemBlock();
 
     public void makeItemBlock() {
         if(itemBlock != null)
@@ -34,7 +38,7 @@ public abstract class WDBlockContainer extends BaseContainerBlockEntity {
         itemBlock.setRegistryName(getRegistryName());
     }
 
-    public ItemBlock getItem() {
+    public BlockItem getItem() {
         return itemBlock;
     }
 

src/main/java/net/montoyo/wd/client/renderers/IItemRenderer.java

@@ -4,10 +4,11 @@
 
 package net.montoyo.wd.client.renderers;
 
+import com.mojang.blaze3d.vertex.PoseStack;
 import net.minecraft.world.item.ItemStack;
 
 public interface IItemRenderer {
 
-    void render(ItemStack is, float handSideSign, float swingProgress, float equipProgress);
+    void render(PoseStack stack, ItemStack is, float handSideSign, float swingProgress, float equipProgress);
 
 }

src/main/java/net/montoyo/wd/client/renderers/MinePadRenderer.java

@@ -4,6 +4,7 @@
 
 package net.montoyo.wd.client.renderers;
 
+import com.mojang.blaze3d.vertex.PoseStack;
 import net.minecraft.client.Minecraft;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.ItemStack;
@@ -43,7 +44,7 @@ public final class MinePadRenderer implements IItemRenderer {
     }
 
     @Override
-    public final void render(ItemStack is, float handSideSign, float swingProgress, float equipProgress) {
+    public final void render(PoseStack stack, ItemStack is, float handSideSign, float swingProgress, float equipProgress) {
         //Pre-compute values
         float sqrtSwingProg = (float) Math.sqrt(swingProgress);
         sinSqrtSwingProg1 = (float) Math.sin(sqrtSwingProg * PI);

src/main/java/net/montoyo/wd/client/renderers/ScreenBaker.java

@@ -10,6 +10,7 @@ import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.renderer.block.model.BakedQuad;
 import net.minecraft.client.renderer.block.model.ItemCameraTransforms;
 import net.minecraft.client.renderer.block.model.ItemOverrideList;
+import net.minecraft.client.renderer.block.model.ItemTransforms;
 import net.minecraft.client.renderer.texture.TextureAtlas;
 import net.minecraft.client.renderer.texture.TextureAtlasSprite;
 import net.minecraft.client.renderer.texture.TextureMap;
@@ -29,6 +30,7 @@ import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Random;
 
 public class ScreenBaker implements IModelBaker {
 
@@ -95,7 +97,7 @@ public class ScreenBaker implements IModelBaker {
     }
 
     @Nonnull
-    public List<BakedQuad> getQuads(@Nullable BlockState state, @Nullable Direction side, long rand) {
+    public List<BakedQuad> getQuads(@Nullable BlockState state, @Nullable Direction side, Random rand) {
         if(side == null)
             return noQuads;
         BlockState bs = state;
@@ -112,7 +114,7 @@ public class ScreenBaker implements IModelBaker {
     }
 
     @Override
-    public boolean isAmbientOcclusion() {
+    public boolean useAmbientOcclusion() {
         return true;
     }
 
@@ -122,20 +124,20 @@ public class ScreenBaker implements IModelBaker {
     }
 
     @Override
-    public boolean isBuiltInRenderer() {
+    public boolean isCustomRenderer() {
         return false;
     }
 
     @Override
     @Nonnull
-    public TextureAtlasSprite getParticleTexture() {
+    public TextureAtlasSprite getParticleIcon() {
         return texs[15];
     }
 
     @Override
     @Nonnull
-    public ItemCameraTransforms getItemCameraTransforms() {
-        return ItemCameraTransforms.DEFAULT;
+    public ItemTransforms getTransforms() {
+        return ItemTransforms.NO_TRANSFORMS;
     }
 
     @Override