Broken pistons implementation

src/main/java/cn/nukkit/Server.java

@@ -2329,6 +2329,7 @@ private void registerBlockEntities() {
  BlockEntity.registerBlockEntity(BlockEntity.BANNER, BlockEntityBanner.class);
  BlockEntity.registerBlockEntity(BlockEntity.MUSIC, BlockEntityMusic.class);
  BlockEntity.registerBlockEntity(BlockEntity.DISPENSER, BlockEntityDispenser.class);
+ BlockEntity.registerBlockEntity(BlockEntity.MOVING_BLOCK, BlockEntityMovingBlock.class);
  }
 
  public boolean isNetherAllowed() {

src/main/java/cn/nukkit/block/Block.java

@@ -296,8 +296,7 @@ public static void init() {
  list[GLOWING_OBSIDIAN] = BlockObsidianGlowing.class; //246
  //list[NETHER_REACTOR] = BlockNetherReactor.class; //247 Should not be removed
 
- //TODO: list[PISTON_EXTENSION] = BlockPistonExtension.class; //250
-
+ list[MOVING_BLOCK] = BlockMoving.class; //250
  list[OBSERVER] = BlockObserver.class; //251
 
  for (int id = 0; id < 256; id++) {
@@ -691,6 +690,10 @@ public Block getSide(BlockFace face) {
  }
 
  public Block getSide(BlockFace face, int step) {
+ if (step == 0) {
+ return this;
+ }
+
  if (this.isValid()) {
  if (step == 1) {
  return this.getLevel().getBlock((int) x + face.getXOffset(), (int) y + face.getYOffset(), (int) z + face.getZOffset());

src/main/java/cn/nukkit/block/BlockID.java

@@ -302,7 +302,7 @@ public interface BlockID {
  int GLOWING_OBSIDIAN = 246;
  int NETHER_REACTOR = 247; //Should not be removed
 
- int PISTON_EXTENSION = 250;
+ int MOVING_BLOCK = 250;
 
  int OBSERVER = 251;
 }

src/main/java/cn/nukkit/block/BlockLever.java

@@ -75,6 +75,7 @@ public boolean onActivate(Item item, Player player) {
  Block target = this.getSide(face.getOpposite());
  target.onUpdate(Level.BLOCK_UPDATE_REDSTONE);
 
+ this.level.updateAroundRedstone(this.getLocation(), isPowerOn() ? face.getOpposite() : null);
  this.level.updateAroundRedstone(target.getLocation(), isPowerOn() ? face : null);
  return true;
  }

src/main/java/cn/nukkit/block/BlockMoving.java

@@ -0,0 +1,34 @@
+package cn.nukkit.block;
+
+import cn.nukkit.item.Item;
+
+public class BlockMoving extends Block {
+
+ public BlockMoving() {
+ this(0);
+ }
+
+ public BlockMoving(int meta) {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "MovingBlock";
+ }
+
+ @Override
+ public int getId() {
+ return BlockID.MOVING_BLOCK;
+ }
+
+ @Override
+ public boolean canBePushed() {
+ return false;
+ }
+
+ @Override
+ public boolean isBreakable(Item item) {
+ return false;
+ }
+}