added movableTE's with help from @2No2Name

src/main/java/carpet/fakes/BlockEntityRenderDispatcherInterface.java

@@ -0,0 +1,8 @@
+package carpet.fakes;
+
+import net.minecraft.block.entity.BlockEntity;
+
+public interface BlockEntityRenderDispatcherInterface
+{
+    void renderBlockEntityOffset(BlockEntity blockEntity, float partialTicks, int destroyStage, double xOffset, double yOffset, double zOffset);
+}

src/main/java/carpet/fakes/PistonBlockEntityInterface.java

@@ -0,0 +1,12 @@
+package carpet.fakes;
+
+import net.minecraft.block.entity.BlockEntity;
+
+public interface PistonBlockEntityInterface
+{
+    void setCarriedBlockEntity(BlockEntity blockEntity);
+    BlockEntity getCarriedBlockEntity();
+    void setRenderCarriedBlockEntity(boolean b);
+    boolean getRenderCarriedBlockEntity();
+    boolean isRenderModeSet();
+}

src/main/java/carpet/fakes/WorldChunkInterface.java

@@ -0,0 +1,10 @@
+package carpet.fakes;
+
+import net.minecraft.block.BlockState;
+import net.minecraft.block.entity.BlockEntity;
+import net.minecraft.util.math.BlockPos;
+
+public interface WorldChunkInterface
+{
+    BlockState setBlockStateWithBlockEntity(BlockPos blockPos, BlockState newBlockState, BlockEntity newBlockEntity, boolean boolean1);
+}

src/main/java/carpet/fakes/WorldInterface.java

@@ -1,11 +1,16 @@
 package carpet.fakes;
 
+import net.minecraft.block.BlockState;
+import net.minecraft.block.entity.BlockEntity;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.EntityType;
+import net.minecraft.util.math.BlockPos;
 
 import java.util.Map;
 
 public interface WorldInterface
 {
     Map<EntityType, Entity> getPrecookedMobs();
+    
+    boolean setBlockStateWithBlockEntity(BlockPos blockPos, BlockState blockState, BlockEntity newBlockEntity, int int1);
 }