added placement

Mine2d/engine/EventService.cs

@@ -22,11 +22,11 @@ public class EventService
             {
                 EventPublisher.Publish(EventType.MouseMotion, e);
             }
-            if (e.type == SDL_EventType.SDL_MOUSEBUTTONDOWN && e.button.button == SDL_BUTTON_LEFT)
+            if (e.type == SDL_EventType.SDL_MOUSEBUTTONDOWN)
             {
                 EventPublisher.Publish(EventType.MouseButtonDown, e);
             }
-            if (e.type == SDL_EventType.SDL_MOUSEBUTTONUP && e.button.button == SDL_BUTTON_LEFT)
+            if (e.type == SDL_EventType.SDL_MOUSEBUTTONUP)
             {
                 EventPublisher.Publish(EventType.MouseButtonUp, e);
             }

Mine2d/game/backend/interactor/Place.cs

@@ -0,0 +1,43 @@
+using Mine2d.engine.system.annotations;
+using Mine2d.game.backend.network.packets;
+using Mine2d.game.core;
+using Mine2d.game.core.data;
+
+namespace Mine2d.game.backend.interactor;
+
+[Interactor]
+public class Place
+{
+    [Interaction(InteractorKind.Server, PacketType.Place)]
+    public static void PlaceServer(PlacePacket packet)
+    {
+        var ctx = Context.Get();
+        var player = ctx.GameState.Players.Find(p => p.Id == packet.PlayerGuid);
+        if (player == null)
+        {
+            return;
+        }
+        if ((player.GetCenter() - packet.Target).LengthSquared() > Constants.BreakDistance * Constants.BreakDistance)
+        {
+            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)
+            {
+                return;
+            }
+            player.Inventory.Hotbar[packet.Slot].Count--;
+            var itemId = player.Inventory.Hotbar[packet.Slot].Id;
+            if (player.Inventory.Hotbar[packet.Slot].Count <= 0)
+            {
+                player.Inventory.Hotbar[packet.Slot] = null;
+            }
+            var itemTileId = ctx.TileRegistry.GetTileIdByItemId(itemId);
+            chunk.SetTileAt(packet.Target, STile.From(itemTileId));
+        }
+    }
+}

Mine2d/game/backend/network/packets/PacketType.cs

@@ -9,5 +9,6 @@ public enum PacketType
     SelfMoved,
     Break,
     PlayerMoved,
-    BlockBroken
+    BlockBroken,
+    Place
 }

Mine2d/game/backend/network/packets/PlacePacket.cs

@@ -0,0 +1,10 @@
+namespace Mine2d.game.backend.network.packets;
+
+public class PlacePacket : Packet
+{
+    public override PacketType Type => PacketType.Place;
+
+    public Guid PlayerGuid { get; init; }
+    public Vector2 Target { get; init; }
+    public int Slot { get; init; }
+}

Mine2d/game/core/PlayerEntity.cs

@@ -35,6 +35,8 @@ public class PlayerEntity
     {
         var world = Context.Get().GameState.World;
         bool hasCollision;
+        bool hasSetGround = false;
+        bool ground = false;
         do
         {
             var pL = p.Position + new Vector2(0, -8);

Mine2d/game/core/tiles/TileRegistry.cs

@@ -28,4 +28,9 @@ public class TileRegistry
     {
         return this.Tiles[id];
     }
+
+    public int GetTileIdByItemId(ItemId itemId)
+    {
+        return this.Tiles.FirstOrDefault(x => x.Value.Drop == itemId).Key;
+    }
 }

Mine2d/game/frontend/events/PlayerPlaceInput.cs

@@ -0,0 +1,30 @@
+using Mine2d.engine.system;
+using Mine2d.engine.system.annotations;
+using Mine2d.game.backend.network.packets;
+
+namespace Mine2d.game.frontend.events;
+
+public class PlayerPlaceInput
+{
+    [EventListener(EventType.MouseButtonDown)]
+    public static void OnMouseDown(SDL_Event e)
+    {
+        Console.WriteLine("Mouse button down");
+        if (e.button.button != SDL_BUTTON_RIGHT)
+        {
+            return;
+        }
+
+        var ctx = Context.Get();
+        var amp = ctx.FrontendGameState.MousePosition
+            / ctx.FrontendGameState.Settings.GameScale
+            + ctx.FrontendGameState.Camera.Position;
+
+        ctx.Backend.ProcessPacket(new PlacePacket
+        {
+            PlayerGuid = ctx.FrontendGameState.PlayerGuid,
+            Target = amp,
+            Slot = ctx.FrontendGameState.HotbarIndex
+        });
+    }
+}