[Redstone] Updates from master branch

src/main/java/cn/nukkit/Player.java

@@ -27,6 +27,7 @@
 import cn.nukkit.event.player.PlayerAsyncPreLoginEvent.LoginResult;
 import cn.nukkit.event.player.PlayerInteractEvent.Action;
 import cn.nukkit.event.player.PlayerTeleportEvent.TeleportCause;
+import cn.nukkit.event.player.PlayerJumpEvent;
 import cn.nukkit.event.server.DataPacketReceiveEvent;
 import cn.nukkit.event.server.DataPacketSendEvent;
 import cn.nukkit.form.window.FormWindow;
@@ -2485,6 +2486,8 @@ public void onCompletion(Server server) {
                             this.respawn();
                             break;
                         case PlayerActionPacket.ACTION_JUMP:
+                            PlayerJumpEvent playerJumpEvent = new PlayerJumpEvent(this);
+                            this.server.getPluginManager().callEvent(playerJumpEvent);
                             break packetswitch;
                         case PlayerActionPacket.ACTION_START_SPRINT:
                             PlayerToggleSprintEvent playerToggleSprintEvent = new PlayerToggleSprintEvent(this, true);

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

@@ -104,7 +104,12 @@ public int onUpdate(int type) {
                     for (int y = 1; y < 3; ++y) {
                         Block b = this.getLevel().getBlock(new Vector3(this.x, this.y + y, this.z));
                         if (b.getId() == AIR) {
-                            this.getLevel().setBlock(b, Block.get(BlockID.SUGARCANE_BLOCK), false);
+                            BlockGrowEvent ev = new BlockGrowEvent(b, Block.get(BlockID.SUGARCANE_BLOCK));
+                            Server.getInstance().getPluginManager().callEvent(ev);
+
+                            if (!ev.isCancelled()) {
+                                this.getLevel().setBlock(b, Block.get(BlockID.SUGARCANE_BLOCK), false);
+                            }
                             break;
                         }
                     }

src/main/java/cn/nukkit/event/player/PlayerJumpEvent.java

@@ -0,0 +1,16 @@
+package cn.nukkit.event.player;
+
+import cn.nukkit.Player;
+import cn.nukkit.event.HandlerList;
+
+public class PlayerJumpEvent extends PlayerEvent {
+    private static final HandlerList handlers = new HandlerList();
+
+    public static HandlerList getHandlers() {
+        return handlers;
+    }
+
+    public PlayerJumpEvent(Player player){
+        this.player = player;
+    }
+}

src/main/java/cn/nukkit/level/Level.java

@@ -3236,6 +3236,7 @@ public void addEntityMovement(Entity entity, double x, double y, double z, doubl
         pk.yaw = (float) yaw;
         pk.headYaw = (float) headYaw;
         pk.pitch = (float) pitch;
+        pk.onGround = entity.onGround;
 
         Server.broadcastPacket(entity.getViewers().values(), pk);
     }

src/main/java/cn/nukkit/network/protocol/MoveEntityAbsolutePacket.java

@@ -46,10 +46,10 @@ public void encode() {
         this.reset();
         this.putEntityRuntimeId(this.eid);
         byte flags = 0;
-        if (teleport) {
+        if (onGround) {
             flags |= 0x01;
         }
-        if (onGround) {
+        if (teleport) {
             flags |= 0x02;
         }
         this.putByte(flags);