Já mám právo sedět!

src/main/java/xyz/soukup/ecoCraftCore/EcoCraftCore.java

@@ -46,6 +46,7 @@ import xyz.soukup.ecoCraftCore.database.DaoRegistry;
 import xyz.soukup.ecoCraftCore.messages.Messages;
 import xyz.soukup.ecoCraftCore.shop.ShopLogic;
 import xyz.soukup.ecoCraftCore.sign.SignEditCommand;
+import xyz.soukup.ecoCraftCore.sit.LetMeSit;
 import xyz.soukup.ecoCraftCore.virtualChest.VirtualChestLogic;
 
 import java.io.IOException;
@@ -303,6 +304,7 @@ public final class EcoCraftCore extends JavaPlugin {
         pm.registerEvents(new RegionEvents(), this);
         pm.registerEvents(new MineWorldManager(), this);
         pm.registerEvents(new JoinLeaveMessageSupress(), this);
+        pm.registerEvents(new LetMeSit(), this);
 
         EventManager events = PacketEvents.getAPI().getEventManager();
         events.registerListener(new ChunkModifier(this), PacketListenerPriority.NORMAL);

src/main/java/xyz/soukup/ecoCraftCore/sit/LetMeSit.java

@@ -0,0 +1,142 @@
+package xyz.soukup.ecoCraftCore.sit;
+
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.bukkit.block.Block;
+import org.bukkit.block.data.Bisected;
+import org.bukkit.block.data.type.Stairs;
+import org.bukkit.entity.ArmorStand;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.Action;
+import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.event.player.PlayerTeleportEvent;
+import org.bukkit.event.vehicle.VehicleExitEvent;
+import org.bukkit.persistence.PersistentDataType;
+import xyz.soukup.ecoCraftCore.utilities.PDC;
+
+
+public class LetMeSit implements Listener {
+
+    @EventHandler
+    public void onStairsClick(PlayerInteractEvent event){
+        Player player = event.getPlayer();
+
+        if (player.isSneaking()){
+            return;
+        }
+
+        if (event.getAction() != Action.RIGHT_CLICK_BLOCK){
+            return;
+        }
+
+        Block block = event.getClickedBlock();
+
+        if (block == null){
+            return;
+        }
+
+        if (!(block.getBlockData() instanceof Stairs stairs)){
+            return;
+        }
+
+        if (stairs.getHalf() == Bisected.Half.TOP){
+            return;
+        }
+
+        switch (stairs.getShape()) {
+            case INNER_LEFT:
+            case INNER_RIGHT:
+            case OUTER_LEFT:
+            case OUTER_RIGHT:
+                return;
+        }
+
+        float yaw = switch (stairs.getFacing()) {
+            case NORTH -> 0f;
+            case WEST -> -90f;
+            case EAST -> 90f;
+            default -> 180f;
+        };
+
+        Location location = block.getLocation();
+        location.add(0.5, 0.5, 0.5);
+        location.setYaw(yaw);
+
+        World world = location.getWorld();
+
+
+
+        for (Entity entity : world.getNearbyEntities(location, 0.5, 1,0.5)){
+            if (!(entity instanceof ArmorStand armorStand)){
+                continue;
+            }
+
+            if (PDC.getUniversal(armorStand, "chair", PersistentDataType.BOOLEAN) == null){
+                continue;
+            }
+
+            if (!armorStand.getPassengers().isEmpty()){
+                return;
+            }
+
+            player.setRotation(armorStand.getYaw(), 0f);
+            armorStand.addPassenger(player);
+            event.setCancelled(true);
+            return;
+        }
+
+        ArmorStand armorStand = world.spawn(location, ArmorStand.class, stand -> {
+            stand.setInvisible(true);
+            stand.setInvulnerable(true);
+            stand.setGravity(false);
+            stand.setSilent(true);
+            stand.setMarker(true);
+        });
+
+        PDC.setUniversal(armorStand, "chair", true, PersistentDataType.BOOLEAN);
+        player.setRotation(yaw, 0f);
+        armorStand.addPassenger(player);
+        event.setCancelled(true);
+    }
+
+    @EventHandler
+    public void unmount(VehicleExitEvent event){
+        Location location = event.getVehicle().getLocation();
+        cleanArmorStand(location);
+    }
+
+    @EventHandler
+    public void playerLeave(PlayerQuitEvent event){
+        Location location = event.getPlayer().getLocation();
+        cleanArmorStand(location);
+    }
+
+    @EventHandler
+    public void teleport(PlayerTeleportEvent event){
+        Location location = event.getFrom();
+        cleanArmorStand(location);
+    }
+
+    private void cleanArmorStand(Location location){
+        World world = location.getWorld();
+        for (Entity entity : world.getNearbyEntities(location, 0.5, 1,0.5)){
+            if (!(entity instanceof ArmorStand armorStand)){
+                continue;
+            }
+
+            if (PDC.getUniversal(armorStand, "chair", PersistentDataType.BOOLEAN) == null){
+                continue;
+            }
+
+            if (!armorStand.getPassengers().isEmpty()){
+                continue;
+            }
+
+            armorStand.remove();
+        }
+    }
+}