Explosion refactor TEST MERG (#6995)

* Explosions

* fix yaml typo

and prevent silly UI inputs

* oop

Co-authored-by: ElectroJr <leonsfriedrich@gmail.com>

Content.Shared/Administration/SpawnExplosionEuiMsg.cs

@@ -0,0 +1,52 @@
+using Content.Shared.Eui;
+using Robust.Shared.Serialization;
+using Robust.Shared.Map;
+using Content.Shared.Explosion;
+
+namespace Content.Shared.Administration;
+
+public static class SpawnExplosionEuiMsg
+{
+    [Serializable, NetSerializable]
+    public sealed class Close : EuiMessageBase { }
+
+    /// <summary>
+    ///     This message is sent to the server to request explosion preview data.
+    /// </summary>
+    [Serializable, NetSerializable]
+    public sealed class PreviewRequest : EuiMessageBase
+    {
+        public readonly MapCoordinates Epicenter;
+        public readonly string TypeId;
+        public readonly float TotalIntensity;
+        public readonly float IntensitySlope;
+        public readonly float MaxIntensity;
+
+        public PreviewRequest(MapCoordinates epicenter, string typeId, float totalIntensity, float intensitySlope, float maxIntensity)
+        {
+            Epicenter = epicenter;
+            TypeId = typeId;
+            TotalIntensity = totalIntensity;
+            IntensitySlope = intensitySlope;
+            MaxIntensity = maxIntensity;
+        }
+    }
+
+    /// <summary>
+    ///     This message is used to send explosion-preview data to the client.
+    /// </summary>
+    [Serializable, NetSerializable]
+    public sealed class PreviewData : EuiMessageBase
+    {
+        public readonly float Slope;
+        public readonly float TotalIntensity;
+        public readonly ExplosionEvent Explosion;
+
+        public PreviewData(ExplosionEvent explosion, float slope, float totalIntensity)
+        {
+            Slope = slope;
+            TotalIntensity = totalIntensity;
+            Explosion = explosion;
+        }
+    }
+}