CPR Remake (#487)

This is a re implementation and complete rewrite of the original Nyanotrasen CPR feature, this time as its own completely standalone system. Unlike the original CPR, this system requires no modification of base game code, and can be toggled on and off via CVars while the server is running. Fixes #473 Fixes SS14-Classic#49 🆑 - add: CPR has been added to the game. People with CPR training can now perform CPR on anyone who is in either crit or dead states. - add: CPR Training has been added to the game as a new positive trait. All medical staff start with this trait for free. --------- Signed-off-by: VMSolidus <[email protected]>
VMSolidus · Aug 10, 2024 · c2d4e2a · c2d4e2a
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diff --git a/Content.Shared/CCVar/CCVars.cs b/Content.Shared/CCVar/CCVars.cs
@@ -2300,6 +2300,55 @@ public static readonly CVarDef<float>
         public static readonly CVarDef<float> StationGoalsChance =
             CVarDef.Create("game.station_goals_chance", 1f, CVar.SERVERONLY);
 
+
+        #region CPR System
+        /// <summary>
+        ///     Controls whether the entire CPR system runs. When false, nobody can perform CPR. You should probably remove the trait too
+        ///     if you are wishing to permanently disable the system on your server.
+        /// </summary>
+        public static readonly CVarDef<bool> EnableCPR =
+            CVarDef.Create("cpr.enable", true, CVar.REPLICATED | CVar.SERVER);
+
+        /// <summary>
+        ///     Toggles whether or not CPR reduces rot timers(As an abstraction of delaying brain death, the IRL actual purpose of CPR)
+        /// </summary>
+        public static readonly CVarDef<bool> CPRReducesRot =
+            CVarDef.Create("cpr.reduces_rot", true, CVar.REPLICATED | CVar.SERVER);
+
+        /// <summary>
+        ///     Toggles whether or not CPR heals airloss, included for completeness sake. I'm not going to stop you if your intention is to make CPR do nothing.
+        ///     I guess it might be funny to troll your players with? I won't judge.
+        /// </summary>
+        public static readonly CVarDef<bool> CPRHealsAirloss =
+            CVarDef.Create("cpr.heals_airloss", true, CVar.REPLICATED | CVar.SERVER);
+
+        /// <summary>
+        ///     The chance for a patient to be resuscitated when CPR is successfully performed.
+        ///     Setting this above 0 isn't very realistic, but people who see CPR in movies and TV will expect CPR to work this way.
+        /// </summary>
+        public static readonly CVarDef<float> CPRResuscitationChance =
+            CVarDef.Create("cpr.resuscitation_chance", 0.05f, CVar.REPLICATED | CVar.SERVER);
+
+        /// <summary>
+        ///     By default, CPR reduces rot timers by an amount of seconds equal to the time spent performing CPR. This is an optional multiplier that can increase or decrease the amount
+        ///     of rot reduction. Set it to 2 for if you want 3 seconds of CPR to reduce 6 seconds of rot.
+        /// </summary>
+        /// <remarks>
+        ///     If you're wondering why there isn't a CVar for setting the duration of the doafter, that's because it's not actually possible to have a timespan in cvar form
+        ///     Curiously, it's also not possible for **shared** systems to set variable timespans. Which is where this system lives.
+        /// </remarks>
+        public static readonly CVarDef<float> CPRRotReductionMultiplier =
+            CVarDef.Create("cpr.rot_reduction_multiplier", 1f, CVar.REPLICATED | CVar.SERVER);
+
+        /// <summary>
+        ///     By default, CPR heals airloss by 1 point for every second spent performing CPR. Just like above, this directly multiplies the healing amount.
+        ///     Set it to 2 to get 6 points of airloss healing for every 3 seconds of CPR.
+        /// </summary>
+        public static readonly CVarDef<float> CPRAirlossReductionMultiplier =
+            CVarDef.Create("cpr.airloss_reduction_multiplier", 1f, CVar.REPLICATED | CVar.SERVER);
+
+        #endregion
+
         #region Contests System
 
         /// <summary>

diff --git a/Resources/Changelog/Changelog.yml b/Resources/Changelog/Changelog.yml
@@ -4940,3 +4940,11 @@ Entries:
       message: Added an unlockable PKA and Jetpack module to Salvage Cyborgs
   id: 6218
   time: '2024-08-06T01:14:31.0000000+00:00'
+- author: VMSolidus
+  changes:
+    - type: Add
+      message: Arachne have been reimplemented!
+    - type: Add
+      message: Oneirophages are back!
+  id: 6219
+  time: '2024-08-06T04:52:32.0000000+00:00'
diff --git a/Resources/Prototypes/DeltaV/Roles/Jobs/Security/brigmedic.yml b/Resources/Prototypes/DeltaV/Roles/Jobs/Security/brigmedic.yml
@@ -26,6 +26,9 @@
   special:
   - !type:AddImplantSpecial
     implants: [ MindShieldImplant ]
+  - !type:AddComponentSpecial
+    components:
+    - type: CPRTraining
 
 - type: startingGear
   id: CorpsmanGear # see Prototypes/Roles/Jobs/Fun/misc_startinggear.yml for "BrigmedicGear"

diff --git a/Resources/Prototypes/Traits/skills.yml b/Resources/Prototypes/Traits/skills.yml
@@ -1,7 +1,9 @@
 - type: trait
   id: CPRTraining
-  category: Uncategorized
+  category: Mental
   points: -2
+  components:
+    - type: CPRTraining
   requirements:
     - !type:CharacterJobRequirement
       inverted: true
@@ -11,10 +13,7 @@
         - MedicalIntern
         - Paramedic
         - ChiefMedicalOfficer
-        - Borg
-        - MedicalBorg
-  components:
-    - type: CPRTraining
+        - Brigmedic
 
 - type: trait
   id: HeavyweightDrunk