diff --git a/Mine2d/engine/EventService.cs b/Mine2d/engine/EventService.cs
index 8dc5f66..2975d45 100644
--- a/Mine2d/engine/EventService.cs
+++ b/Mine2d/engine/EventService.cs
@@ -43,5 +43,6 @@ public class EventService
                 EventPublisher.Publish(EventType.MouseWheel, e);
             }
         }
+        EventPublisher.Publish(EventType.Tick, new SDL_Event());
     }
 }
diff --git a/Mine2d/engine/system/EventType.cs b/Mine2d/engine/system/EventType.cs
index 9cc0d4d..67a5433 100644
--- a/Mine2d/engine/system/EventType.cs
+++ b/Mine2d/engine/system/EventType.cs
@@ -10,4 +10,5 @@ public enum EventType
     KeyUp,
     WindowResize,
     MouseWheel,
+    Tick,
 }
diff --git a/Mine2d/game/backend/interactor/Place.cs b/Mine2d/game/backend/interactor/Place.cs
index 100c952..5d17651 100644
--- a/Mine2d/game/backend/interactor/Place.cs
+++ b/Mine2d/game/backend/interactor/Place.cs
@@ -21,12 +21,16 @@ public class Place
         {
             return;
         }
+        if (PlayerEntity.HasCollisionWithAnyPlayer(packet.Target))
+        {
+            return;
+        }
         if (ctx.GameState.World.HasChunkAt(packet.Target))
         {
             var chunk = ctx.GameState.World.GetChunkAt(packet.Target);
             var tile = chunk.GetTileAt(packet.Target);
             var tileId = tile.Id;
-            if (tileId != 0 || player.Inventory.Hotbar[packet.Slot]?.Count <= 0)
+            if (tileId != 0 || player.Inventory.Hotbar[packet.Slot] == null || player.Inventory.Hotbar[packet.Slot]?.Count <= 0)
             {
                 return;
             }
diff --git a/Mine2d/game/core/PlayerEntity.cs b/Mine2d/game/core/PlayerEntity.cs
index 1a2a3d6..cf3c0bd 100644
--- a/Mine2d/game/core/PlayerEntity.cs
+++ b/Mine2d/game/core/PlayerEntity.cs
@@ -90,4 +90,35 @@ public class PlayerEntity
             }
         } while (hasCollision);
     }
+
+    public static bool HasCollisionWithAnyPlayer(Vector2 pos)
+    {
+        var ctx = Context.Get();
+        var ts = Constants.TileSize;
+        var tilePos = new Vector2(pos.X - pos.X % ts, pos.Y - pos.Y % ts);
+        return ctx.GameState.Players.Any(
+            player =>
+            {
+                var playerPos = player.Position;
+                var playerSize = new Vector2(14, 28);
+                var playerRect = new SDL_Rect
+                {
+                    x = (int)playerPos.X,
+                    y = (int)playerPos.Y - 5,
+                    w = (int)playerSize.X,
+                    h = (int)playerSize.Y
+                };
+                var tileRect = new SDL_Rect
+                {
+                    x = (int)tilePos.X,
+                    y = 24 + (int)tilePos.Y,
+                    w = 16,
+                    h = 16
+                };
+                Console.WriteLine("playerRect: " + playerRect.x + ", " + playerRect.y + ", " + playerRect.w + ", " + playerRect.h);
+                Console.WriteLine("tileRect: " + tileRect.x + ", " + tileRect.y + ", " + tileRect.w + ", " + tileRect.h);
+                return SDL_HasIntersection(ref playerRect, ref tileRect) == SDL_bool.SDL_TRUE;
+            }
+        );
+    }
 }
diff --git a/Mine2d/game/frontend/events/PlayerBreakInput.cs b/Mine2d/game/frontend/events/PlayerBreakInput.cs
index 02f7875..446ed73 100644
--- a/Mine2d/game/frontend/events/PlayerBreakInput.cs
+++ b/Mine2d/game/frontend/events/PlayerBreakInput.cs
@@ -6,11 +6,12 @@ namespace Mine2d.game.frontend.events;
 
 public class PlayerBreakInput
 {
-    [EventListener(EventType.MouseMotion)]
-    public static void OnBreak(SDL_Event e)
+    private static Vector2 mousePos;
+
+    [EventListener(EventType.Tick)]
+    public static void OnTick()
     {
         var ctx = Context.Get();
-        var mousePos = new Vector2(e.motion.x, e.motion.y);
         ctx.FrontendGameState.MousePosition = mousePos;
         if (ctx.GameState.Players.Find(player => player.Id == ctx.FrontendGameState.PlayerGuid)?.Mining
             != Vector2.Zero)
@@ -26,6 +27,13 @@ public class PlayerBreakInput
                 Source = BreakSource.Move
             });
         }
+
+    }
+
+    [EventListener(EventType.MouseMotion)]
+    public static void OnBreak(SDL_Event e)
+    {
+        mousePos = new Vector2(e.motion.x, e.motion.y);
     }
 
     [EventListener(EventType.MouseButtonDown)]