ticking block entity

src/main/java/com/jenny/potionpills/BlockEntityInit.java

@@ -14,4 +14,10 @@ public class BlockEntityInit {
                     () -> BlockEntityType.Builder.of(ExampleAdvancedBlockEntity::new, BlockInit.EXAMPLE_BLOCK_ENTITY.get())
                             .build(null)
             );
+
+    public static final RegistryObject<BlockEntityType<ExampleTickingBlockEntity>> EXAMPLE_TICKING_BLOCK_ENTITY =
+            BLOCK_ENTITIES.register("example_ticking_block_entity",
+                    () -> BlockEntityType.Builder.of(ExampleTickingBlockEntity::new, BlockInit.EXAMPLE_TICKING_BLOCK.get())
+                            .build(null)
+            );
 }

src/main/java/com/jenny/potionpills/BlockInit.java

@@ -13,4 +13,6 @@ public class BlockInit {
     public static final RegistryObject<ExampleAdvancedBlock> EXAMPLE_BLOCK_ENTITY = BLOCKS.register("example_block_entity",
             () -> new ExampleAdvancedBlock(BlockBehaviour.Properties.copy(Blocks.CRAFTING_TABLE)));
 
+    public static final RegistryObject<ExampleTickingBlock> EXAMPLE_TICKING_BLOCK = BLOCKS.register("example_ticking_block",
+            () -> new ExampleTickingBlock(BlockBehaviour.Properties.copy(Blocks.CRAFTING_TABLE)));
 }

src/main/java/com/jenny/potionpills/ExampleTickingBlock.java

@@ -0,0 +1,30 @@
+package com.jenny.potionpills;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.EntityBlock;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.block.entity.BlockEntityTicker;
+import net.minecraft.world.level.block.entity.BlockEntityType;
+import net.minecraft.world.level.block.state.BlockState;
+import org.jetbrains.annotations.NotNull;
+
+import javax.annotation.Nullable;
+
+public class ExampleTickingBlock extends Block implements EntityBlock {
+    public ExampleTickingBlock(Properties properties) {
+        super(properties);
+    }
+
+    @Override
+    public BlockEntity newBlockEntity(@NotNull BlockPos pos, @NotNull BlockState state) {
+        return BlockEntityInit.EXAMPLE_TICKING_BLOCK_ENTITY.get().create(pos, state);
+    }
+
+    @Nullable
+    @Override
+    public <T extends BlockEntity> BlockEntityTicker<T> getTicker(@NotNull Level level, @NotNull BlockState state, @NotNull BlockEntityType<T> type) {
+        return TickableBlockEntity.getTickerHelper(level);
+    }
+}

src/main/java/com/jenny/potionpills/ExampleTickingBlockEntity.java

@@ -0,0 +1,19 @@
+package com.jenny.potionpills;
+
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.block.state.BlockState;
+
+public class ExampleTickingBlockEntity extends BlockEntity implements TickableBlockEntity {
+    public ExampleTickingBlockEntity(BlockPos pos, BlockState state) {
+        super(BlockEntityInit.EXAMPLE_TICKING_BLOCK_ENTITY.get(), pos, state);
+    }
+
+    @Override
+    public void tick() {
+        if (this.level == null || this.level.isClientSide())
+            return;
+        System.out.println("Hello from \"tick\"!");
+    }
+}

src/main/java/com/jenny/potionpills/PotionPills.java

@@ -48,8 +48,10 @@ public class PotionPills
     public static final RegistryObject<Block> EXAMPLE_BLOCK = BLOCKS.register("example_block", () -> new Block(BlockBehaviour.Properties.of().mapColor(MapColor.STONE)));
     // Creates a new BlockItem with the id "examplemod:example_block", combining the namespace and path
     public static final RegistryObject<Item> EXAMPLE_BLOCK_ITEM = ITEMS.register("example_block", () -> new BlockItem(EXAMPLE_BLOCK.get(), new Item.Properties()));
+
     public static final RegistryObject<Item> EXAMPLE_BLOCK_ENTITY_ITEM = ITEMS.register("example_block_entity", () -> new BlockItem(BlockInit.EXAMPLE_BLOCK_ENTITY.get(), new Item.Properties()));
 
+    public static final RegistryObject<Item> EXAMPLE_TICKING_BLOCK_ITEM = ITEMS.register("example_ticking_block", () -> new BlockItem(BlockInit.EXAMPLE_TICKING_BLOCK.get(), new Item.Properties()));
     // Creates a new food item with the id "examplemod:example_id", nutrition 1 and saturation 2
     public static final RegistryObject<Item> EXAMPLE_ITEM = ITEMS.register("example_item", () -> new Item(new Item.Properties().food(new FoodProperties.Builder()
             .alwaysEat().nutrition(1).saturationMod(2f).build())));
@@ -61,6 +63,7 @@ public class PotionPills
             .displayItems((parameters, output) -> {
                 output.accept(EXAMPLE_ITEM.get());
                 output.accept(EXAMPLE_BLOCK_ENTITY_ITEM.get());
+                output.accept(EXAMPLE_TICKING_BLOCK_ITEM.get());
             }).build());
 
     public PotionPills()

src/main/java/com/jenny/potionpills/TickableBlockEntity.java

@@ -0,0 +1,13 @@
+package com.jenny.potionpills;
+
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.block.entity.BlockEntityTicker;
+
+public interface TickableBlockEntity {
+    void tick();
+
+    static <T extends BlockEntity> BlockEntityTicker<T> getTickerHelper(Level level) {
+        return level.isClientSide() ? null : (level0, pos0, state0, blockEntity) -> ((TickableBlockEntity)blockEntity).tick();
+    }
+}