Block Ticking API

paper-server/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java

@@ -78,6 +78,12 @@ public class CraftBlock implements Block {
         return this.world.getBlockState(this.position);
     }
 
+    // Paper start
+    public net.minecraft.world.level.material.FluidState getNMSFluid() {
+        return this.world.getFluidState(this.position);
+    }
+    // Paper end
+
     public BlockPos getPosition() {
         return this.position;
     }
@@ -709,5 +715,23 @@ public class CraftBlock implements Block {
     public boolean isValidTool(ItemStack itemStack) {
         return getDrops(itemStack).size() != 0;
     }
+
+    @Override
+    public void tick() {
+        final ServerLevel level = this.world.getMinecraftWorld();
+        this.getNMS().tick(level, this.position, level.random);
+    }
+
+
+    @Override
+    public void fluidTick() {
+        this.getNMSFluid().tick(this.world.getMinecraftWorld(), this.position, this.getNMS());
+    }
+
+    @Override
+    public void randomTick() {
+        final ServerLevel level = this.world.getMinecraftWorld();
+        this.getNMS().randomTick(level, this.position, level.random);
+    }
     // Paper end
 }

paper-server/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java

@@ -761,4 +761,11 @@ public class CraftBlockData implements BlockData {
         return speed;
     }
     // Paper end - destroy speed API
+
+    // Paper start - Block tick API
+    @Override
+    public boolean isRandomlyTicked() {
+        return this.state.isRandomlyTicking();
+    }
+    // Paper end - Block tick API
 }