add igniter (#20962)

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Server/IgnitionSource/IgniteOnTriggerComponent.cs

@@ -0,0 +1,30 @@
+using Robust.Shared.Audio;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom;
+
+namespace Content.Server.IgnitionSource;
+
+/// <summary>
+/// Ignites for a certain length of time when triggered.
+/// Requires <see cref="IgnitionSourceComponent"/> along with triggering components.
+/// </summary>
+[RegisterComponent, Access(typeof(IgniteOnTriggerSystem))]
+public sealed partial class IgniteOnTriggerComponent : Component
+{
+    /// <summary>
+    /// Once ignited, the time it will unignite at.
+    /// </summary>
+    [DataField(customTypeSerializer: typeof(TimeOffsetSerializer)), ViewVariables(VVAccess.ReadWrite)]
+    public TimeSpan IgnitedUntil = TimeSpan.Zero;
+
+    /// <summary>
+    /// How long the ignition source is active for after triggering.
+    /// </summary>
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    public TimeSpan IgnitedTime = TimeSpan.FromSeconds(0.5);
+
+    /// <summary>
+    /// Sound to play when igniting.
+    /// </summary>
+    [DataField]
+    public SoundSpecifier IgniteSound = new SoundCollectionSpecifier("WelderOn");
+}