Cognizine, a chemical that makes an entity sentient and a ghost role (#11992)

Content.Server/Chemistry/ReagentEffects/MakeSentient.cs

@@ -0,0 +1,39 @@
+using Content.Server.Mind.Components;
+using Content.Server.Speech.Components;
+
+using Content.Shared.Chemistry.Reagent;
+using Content.Server.Ghost.Roles.Components;
+
+namespace Content.Server.Chemistry.ReagentEffects;
+
+public sealed class MakeSentient : ReagentEffect
+{
+    public override void Effect(ReagentEffectArgs args)
+    {
+        var entityManager = args.EntityManager;
+        var uid = args.SolutionEntity;
+
+        // This makes it so it doesn't affect things that are already sentient
+        if (entityManager.HasComponent<MindComponent>(uid))
+        {
+            return;
+        }
+
+        // This piece of code makes things able to speak "normally". One thing of note is that monkeys have a unique accent and won't be affected by this.
+        entityManager.RemoveComponent<ReplacementAccentComponent>(uid);
+
+        // No idea what anything past this point does
+        if (entityManager.TryGetComponent(uid, out GhostTakeoverAvailableComponent? takeOver))
+        {
+            return;
+        }
+
+        takeOver = entityManager.AddComponent<GhostTakeoverAvailableComponent>(uid);
+
+        var entityData = entityManager.GetComponent<MetaDataComponent>(uid);
+        takeOver.RoleName = entityData.EntityName;
+        takeOver.RoleDescription = Loc.GetString("ghost-role-information-cognizine-description");
+    }
+}
+
+// Original code written by areitpog on GitHub in Issue #7666, then I (Interrobang01) copied it and used my nonexistant C# skills to try to make it work again.

Resources/Locale/en-US/ghost/roles/ghost-role-component.ftl

@@ -8,3 +8,5 @@ ghost-role-information-mouse-description = A hungry and mischievous mouse.
 
 ghost-role-information-giant-spider-name = Giant spider
 ghost-role-information-giant-spider-description = Wreak havoc on the station's inhabitants!
+
+ghost-role-information-cognizine-description = Made conscious with the magic of cognizine.

Resources/Locale/en-US/reagents/meta/medicine.ftl

@@ -87,3 +87,6 @@ reagent-desc-oculine = Heals eye damage.
 
 reagent-name-ethylredoxrazine = ethylredoxrazine
 reagent-desc-ethylredoxrazine = Neutralises the effects of alcohol in the blood stream. Though it is commonly needed, it is rarely requested.
+
+reagent-name-cognizine = cognizine
+reagent-desc-cognizine = A mysterious chemical which is able to make any non-sentient creature sentient.

Resources/Locale/en-US/reagents/meta/physical-desc.ftl

@@ -81,3 +81,4 @@ reagent-physical-desc-electric = electric
 reagent-physical-desc-chewy = chewy
 reagent-physical-desc-volatile = volatile
 reagent-physical-desc-inky = inky
+reagent-physical-desc-enigmatic = enigmatic

Resources/Prototypes/Reagents/medicine.yml

@@ -690,3 +690,18 @@
     Medicine:
       effects:
       - !type:ChemHealEyeDamage
+
+- type: reagent
+  id: Cognizine
+  name: reagent-name-cognizine
+  desc: reagent-desc-cognizine
+  group: Medicine
+  physicalDesc: reagent-physical-desc-enigmatic
+  color: "#b50ee8"
+  metabolisms:
+    Medicine:
+      effects:
+      - !type:MakeSentient
+        conditions:
+        - !type:ReagentThreshold
+          min: 5

Resources/Prototypes/Recipes/Reactions/medicine.yml

@@ -343,3 +343,15 @@
       amount: 1
   products:
     Spaceacillin: 2
+
+- type: reaction
+  id: Cognizine
+  reactants:
+    CarpoToxin:
+      amount: 1
+    Siderlac:
+      amount: 1
+    UnstableMutagen:
+      amount: 1
+  products:
+    Cognizine: 1