- add: Changeling antagonist (#2)

* Changeling WIP

* UI

* Pointers fix

* Moved out abilities

* Regenerate ability

* Fixed Regenerate ability
Prevent ghosting while regenerating

* Cleanup

* Base lesser form

* Finished Lesser Form && Transform

* Transform Sting

* Blind Sting

* Mute Sting
Added OnExamine on absorbed human

* Hallucination Sting
Changeling Absorb and transfer absorbed entities to absorber

* Cryogenic Sting

* Adrenaline Sacs

* Transform now uses Polymorph

* Armblade, Shield, Armor

* Tentacle Arm ability
Tentacle Gun system

* WIP with bugs

* WiP bugs

* fix implant transfer

* Fixed bugs with shop transfer and actions transfer

* Just in case

* Vi sitter i ventrilo och spelar DotA

* Fixes and proper LesserForm tracking

* !!!!!

* Fixed empty buttons

* WIP Gamerule
Ready - shop

* nerf stun time cause its sucks

* cleaning

* just in case

* Absorb DNA Objective.

* Partial objectives with bugs

* fix

* fix pointer

* Changeling objectives

* Changeling objectives №2

* Admin verb, game rule

* Fixed empty list check
Icons for objectives

* Changeling chat, changeling names etc.

* fix some merge errors

* - fix: Fixed all bugs with changeling

---------

Co-authored-by: Y-Parvus <yevhen.parvus@gmail.com>
Co-authored-by: Y-Parvus <61109031+Y-Parvus@users.noreply.github.com>
Co-authored-by: HitPanda <104197232+EnefFlow@users.noreply.github.com>
Co-authored-by: EnefFlow <regeto90@mail.ru>

Content.Server/Administration/Systems/AdminVerbSystem.Antags.cs

@@ -1,3 +1,4 @@
+using Content.Server.Changeling;
 using Content.Server.GameTicking;
 using Content.Server.GameTicking.Rules;
 using Content.Server.StationEvents.Events;
@@ -23,6 +24,7 @@ public sealed partial class AdminVerbSystem
     [Dependency] private readonly ZombieSystem _zombie = default!;
     [Dependency] private readonly ThiefRuleSystem _thief = default!;
     [Dependency] private readonly TraitorRuleSystem _traitorRule = default!;
+    [Dependency] private readonly ChangelingRuleSystem _changelingRule = default!;
     [Dependency] private readonly NukeopsRuleSystem _nukeopsRule = default!;
     [Dependency] private readonly PiratesRuleSystem _piratesRule = default!;
     [Dependency] private readonly RevolutionaryRuleSystem _revolutionaryRule = default!;
@@ -63,6 +65,25 @@ public sealed partial class AdminVerbSystem
         };
         args.Verbs.Add(traitor);
 
+        Verb changeling = new()
+        {
+            Text = Loc.GetString("admin-verb-text-make-changeling"),
+            Category = VerbCategory.Antag,
+            Icon = new SpriteSpecifier.Texture(new ("/Textures/Interface/Actions/ling_absorb.png")),
+            Act = () =>
+            {
+                if (!_minds.TryGetSession(targetMindComp.Mind, out var session))
+                    return;
+
+                var isHuman = HasComp<HumanoidAppearanceComponent>(args.Target);
+                _changelingRule.MakeChangeling(session);
+            },
+            Impact = LogImpact.High,
+            Message = Loc.GetString("admin-verb-make-changeling"),
+        };
+
+        args.Verbs.Add(changeling);
+
         Verb zombie = new()
         {
             Text = Loc.GetString("admin-verb-text-make-zombie"),