More xeno artifacts effects (#6282)

Content.Server/Xenoarchaeology/XenoArtifacts/Effects/Components/GasArtifactComponent.cs

@@ -0,0 +1,65 @@
+using Content.Shared.Atmos;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Server.Xenoarchaeology.XenoArtifacts.Effects.Components;
+
+/// <summary>
+///     Spawn a random gas with random temperature when artifact activated.
+/// </summary>
+[RegisterComponent]
+public class GasArtifactComponent : Component
+{
+    public override string Name => "GasArtifact";
+
+    /// <summary>
+    ///     Gas that will be spawned when artifact activated.
+    ///     If null it will be picked on startup from <see cref="PossibleGases"/>.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField("spawnGas")]
+    public Gas? SpawnGas;
+
+    /// <summary>
+    ///     List of possible activation gases to pick on startup.
+    /// </summary>
+    [DataField("possibleGas")]
+    public Gas[] PossibleGases =
+    {
+        Gas.Oxygen,
+        Gas.Plasma,
+        Gas.Nitrogen,
+        Gas.CarbonDioxide,
+        Gas.Tritium
+    };
+
+    /// <summary>
+    ///     Temperature of spawned gas. If null it will be picked on startup from range from
+    ///     <see cref="MinRandomTemperature"/> to <see cref="MaxRandomTemperature"/>.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField("spawnTemperature")]
+    public float? SpawnTemperature;
+
+    [DataField("minRandomTemp")]
+    public float MinRandomTemperature = 100;
+
+    [DataField("maxRandomTemp")]
+    public float MaxRandomTemperature = 400;
+
+    /// <summary>
+    ///     Max allowed external atmospheric pressure.
+    ///     Artifact will stop spawn gas.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField("maxExternalPressure")]
+    public float MaxExternalPressure = Atmospherics.GasMinerDefaultMaxExternalPressure;
+
+    /// <summary>
+    ///     Moles of gas to spawn each time when artifact activated.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField("spawnAmount")]
+    public float SpawnAmount = Atmospherics.MolesCellStandard * 3;
+}