Weather effects (#12528)

Co-authored-by: metalgearsloth <metalgearsloth@gmail.com>

Content.Shared/Weather/WeatherPrototype.cs

@@ -0,0 +1,43 @@
+using Content.Shared.Maps;
+using Robust.Shared.Audio;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.List;
+using Robust.Shared.Utility;
+
+namespace Content.Shared.Weather;
+
+[Prototype("weather")]
+public sealed class WeatherPrototype : IPrototype
+{
+    [IdDataFieldAttribute] public string ID { get; } = default!;
+
+    /// <summary>
+    /// Minimum duration for the weather.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    public TimeSpan DurationMinimum = TimeSpan.FromSeconds(120);
+
+    /// <summary>
+    /// Maximum duration for the weather.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    public TimeSpan DurationMaximum = TimeSpan.FromSeconds(300);
+
+    [ViewVariables(VVAccess.ReadWrite), DataField("startupTime")]
+    public TimeSpan StartupTime = TimeSpan.FromSeconds(30);
+
+    [ViewVariables(VVAccess.ReadWrite), DataField("endTime")]
+    public TimeSpan ShutdownTime = TimeSpan.FromSeconds(30);
+
+    [ViewVariables(VVAccess.ReadWrite), DataField("sprite", required: true)]
+    public SpriteSpecifier Sprite = default!;
+
+    [ViewVariables(VVAccess.ReadWrite), DataField("color")]
+    public Color? Color;
+
+    /// <summary>
+    /// Sound to play on the affected areas.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("sound")]
+    public SoundSpecifier? Sound;
+}