Stamina damage (#9230)

Content.Server/Damage/Components/StaminaComponent.cs

@@ -0,0 +1,47 @@
+using Content.Server.Damage.Systems;
+using Robust.Shared.GameStates;
+
+namespace Content.Server.Damage.Components;
+
+/// <summary>
+/// Add to an entity to paralyze it whenever it reaches critical amounts of Stamina DamageType.
+/// </summary>
+[RegisterComponent]
+public sealed class StaminaComponent : Component
+{
+    /// <summary>
+    /// Have we reached peak stamina damage and been paralyzed?
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("critical")]
+    public bool Critical;
+
+    /// <summary>
+    /// How much stamina reduces per second.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("decay")]
+    public float Decay = 3f;
+
+    /// <summary>
+    /// How much time after receiving damage until stamina starts decreasing.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("cooldown")]
+    public float DecayCooldown = 5f;
+
+    /// <summary>
+    /// How much stamina damage this entity has taken.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("staminaDamage")]
+    public float StaminaDamage;
+
+    /// <summary>
+    /// How much stamina damage is required to entire stam crit.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("excess")]
+    public float CritThreshold = 100f;
+
+    /// <summary>
+    /// Next time we're allowed to decrease stamina damage. Refreshes whenever the stam damage is changed.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("decayAccumulator")]
+    public float StaminaDecayAccumulator;
+}