Convenience method to find horizontal Direction based on yaw, easier block properties usage and PlayerBlockPlaceEvent now references the player placing the block

src/main/java/fr/themode/demo/commands/SimpleCommand.java

@@ -1,10 +1,10 @@
 package fr.themode.demo.commands;
 
-import net.minestom.server.MinecraftServer;
 import net.minestom.server.command.CommandProcessor;
 import net.minestom.server.entity.EntityCreature;
 import net.minestom.server.entity.Player;
 import net.minestom.server.instance.Instance;
+import net.minestom.server.utils.MathUtils;
 
 public class SimpleCommand implements CommandProcessor {
     @Override
@@ -27,7 +27,7 @@ public class SimpleCommand implements CommandProcessor {
             creature.setPathTo(player.getPosition());
         }
 
-        MinecraftServer.stopCleanly();
+        player.sendMessage("Direction: "+ MathUtils.getHorizontalDirection(player.getPosition().getYaw()));
 
 
         return true;

src/main/java/net/minestom/server/event/PlayerBlockPlaceEvent.java

@@ -5,6 +5,7 @@ import net.minestom.server.utils.BlockPosition;
 
 public class PlayerBlockPlaceEvent extends CancellableEvent {
 
+    private final Player player;
     private short blockId;
     private short customBlockId;
     private BlockPosition blockPosition;
@@ -12,7 +13,8 @@ public class PlayerBlockPlaceEvent extends CancellableEvent {
 
     private boolean consumeBlock;
 
-    public PlayerBlockPlaceEvent(short blockId, short customBlockId, BlockPosition blockPosition, Player.Hand hand) {
+    public PlayerBlockPlaceEvent(Player player, short blockId, short customBlockId, BlockPosition blockPosition, Player.Hand hand) {
+        this.player = player;
         this.blockId = blockId;
         this.customBlockId = customBlockId;
         this.blockPosition = blockPosition;
@@ -36,6 +38,10 @@ public class PlayerBlockPlaceEvent extends CancellableEvent {
         return blockId;
     }
 
+    public Player getPlayer() {
+        return player;
+    }
+
     public BlockPosition getBlockPosition() {
         return blockPosition;
     }

src/main/java/net/minestom/server/listener/BlockPlacementListener.java

@@ -85,7 +85,7 @@ public class BlockPlacementListener {
             }
 
             if (!intersect) {
-                PlayerBlockPlaceEvent playerBlockPlaceEvent = new PlayerBlockPlaceEvent(block.getBlockId(), (short) 0, blockPosition, packet.hand);
+                PlayerBlockPlaceEvent playerBlockPlaceEvent = new PlayerBlockPlaceEvent(player, block.getBlockId(), (short) 0, blockPosition, packet.hand);
                 playerBlockPlaceEvent.consumeBlock(player.getGameMode() != GameMode.CREATIVE);
 
                 // BlockPlacementRule check

src/main/java/net/minestom/server/registry/RegistryMain.java

@@ -14,10 +14,7 @@ import net.minestom.server.stat.StatisticType;
 import java.io.BufferedReader;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 
 public class RegistryMain {
 
@@ -205,7 +202,7 @@ public class RegistryMain {
                     if (statePropertiesObject != null) {
                         Set<Map.Entry<String, JsonElement>> statePropertiesEntries = statePropertiesObject.entrySet();//will return members of your object
                         for (Map.Entry<String, JsonElement> propertyEntry : statePropertiesEntries) {
-                            String propertyValue = propertyEntry.getValue().getAsString();
+                            String propertyValue = propertyEntry.getKey()+"="+propertyEntry.getValue().getAsString();
 
                             blockState.propertiesValues.add(propertyValue);
                         }

src/main/java/net/minestom/server/utils/Direction.java

@@ -0,0 +1,13 @@
+package net.minestom.server.utils;
+
+public enum Direction {
+    NORTH,
+    EAST,
+    SOUTH,
+    WEST,
+    UP,
+    DOWN;
+
+    public static final Direction[] HORIZONTAL = { SOUTH, WEST, NORTH, EAST };
+
+}

src/main/java/net/minestom/server/utils/MathUtils.java

@@ -28,4 +28,14 @@ public class MathUtils {
         return (float) tmp / factor;
     }
 
+    public static Direction getHorizontalDirection(float yawInDegrees) {
+        // +45f gives a 90° angle for the direction (-1° and 1° are towards the same direction)
+        int directionIndex = (int) ((yawInDegrees+45f) / 90f);
+        if(directionIndex < 0) {
+            directionIndex = Direction.HORIZONTAL.length-directionIndex;
+        }
+        directionIndex %= Direction.HORIZONTAL.length;
+        return Direction.HORIZONTAL[directionIndex];
+    }
+
 }