chore: initial commit

Assets/Scripts/Core/Events/LiquidEvent.cs

@@ -0,0 +1,29 @@
+namespace BaseGames.Core.Events
+{
+    /// <summary>
+    /// 液体区域事件负载。用于玩家进入/离开液体区域时传递区域信息。
+    /// </summary>
+    public readonly struct LiquidEvent
+    {
+        /// <summary>液体区域标识符（对应 LiquidZone SO 的 zoneId）。</summary>
+        public readonly string ZoneId;
+        /// <summary>液体类型（如 "Water" / "Acid" / "Lava"）。</summary>
+        public readonly string LiquidType;
+
+        public LiquidEvent(string zoneId, string liquidType)
+        {
+            ZoneId     = zoneId;
+            LiquidType = liquidType;
+        }
+
+        public override string ToString() => $"LiquidEvent(Zone={ZoneId}, Type={LiquidType})";
+    }
+
+    /// <summary>
+    /// 液体进出事件频道（EVT_LiquidEntered / EVT_LiquidExited）。
+    /// 发布：LiquidZone（OnTriggerEnter2D / OnTriggerExit2D）
+    /// 订阅：PlayerController（切换游泳状态）、DrownSystem、AudioManager
+    /// </summary>
+    [UnityEngine.CreateAssetMenu(menuName = "Events/LiquidEvent")]
+    public class LiquidEventChannelSO : BaseEventChannelSO<LiquidEvent> { }
+}