Carp wave spawner and dragons as an actual event (#10254)

Content.Server/Dragon/Components/DragonRiftComponent.cs

@@ -0,0 +1,40 @@
+using Content.Shared.Dragon;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Server.Dragon;
+
+[RegisterComponent]
+public sealed class DragonRiftComponent : SharedDragonRiftComponent
+{
+    /// <summary>
+    /// Dragon that spawned this rift.
+    /// </summary>
+    [ViewVariables, DataField("dragon")] public EntityUid Dragon;
+
+    /// <summary>
+    /// How long the rift has been active.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("accumulator")]
+    public float Accumulator = 0f;
+
+    /// <summary>
+    /// The maximum amount we can accumulate before becoming impervious.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("maxAccumuluator")] public float MaxAccumulator = 300f;
+
+    /// <summary>
+    /// Accumulation of the spawn timer.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("spawnAccumulator")]
+    public float SpawnAccumulator = 60f;
+
+    /// <summary>
+    /// How long it takes for a new spawn to be added.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("spawnCooldown")]
+    public float SpawnCooldown = 60f;
+
+    [ViewVariables(VVAccess.ReadWrite), DataField("spawn", customTypeSerializer: typeof(PrototypeIdSerializer<EntityPrototype>))]
+    public string SpawnPrototype = "MobCarpDragon";
+}