Add button interaction system with event publishing and requirements handling

GameCore/Logic/LogicSequenceSystem.cs

@@ -0,0 +1,52 @@
+using GameCore.ECS;
+using GameCore.ECS.Interfaces;
+using GameCore.Events;
+
+namespace GameCore.Logic;
+
+public class LogicSequenceSystem : ISystem
+{
+    private readonly World _world;
+
+    public LogicSequenceSystem(World world)
+    {
+        _world = world;
+        world.Subscribe<ButtonPressedEvent>(OnButtonPressed);
+    }
+
+    public void Update(World world, float deltaTime)
+    {
+    }
+
+    private void OnButtonPressed(ButtonPressedEvent e)
+    {
+        var logicEntities = _world.GetEntitiesWith<LogicSequenceComponent>();
+
+        foreach (var entity in logicEntities)
+        {
+            var logic = _world.GetComponent<LogicSequenceComponent>(entity);
+            if (logic == null || (logic.IsOneTimeTrigger && logic.HasTriggered)) continue;
+
+            if (logic.RequiredChannels.Contains(e.ChannelId))
+            {
+                if (e.NewState)
+                    logic.ActivatedChannels.Add(e.ChannelId);
+                else
+                    logic.ActivatedChannels.Remove(e.ChannelId);
+
+                _world.Logger.Info(
+                    $"[LogicSequenceSystem] Channel '{e.ChannelId}' activated. Total {logic.ActivatedChannels.Count}/{logic.RequiredChannels.Count}");
+
+                if (logic.ActivatedChannels.Count == logic.RequiredChannels.Count)
+                {
+                    _world.Logger.Info("[LogicSequenceSystem] All channels activated. Executing actions.");
+                    foreach (var action in logic.OnCompleteActions) action.Execute(_world);
+
+                    if (logic.IsOneTimeTrigger) logic.HasTriggered = true;
+
+                    logic.ActivatedChannels.Clear();
+                }
+            }
+        }
+    }
+}