Add EmoteOnDamage comp/system for zombies (#14371)

Content.Server/Zombies/ZombifyOnDeathSystem.cs

@@ -26,8 +26,11 @@ using Content.Server.Humanoid;
 using Content.Server.IdentityManagement;
 using Content.Shared.Humanoid;
 using Content.Shared.Mobs;
+using Content.Shared.Mobs.Components;
 using Content.Shared.Movement.Systems;
 using Content.Shared.Weapons.Melee;
+using Content.Server.Chat;
+using Content.Server.Chat.Systems;
 
 namespace Content.Server.Zombies
 {
@@ -47,6 +50,8 @@ namespace Content.Server.Zombies
         [Dependency] private readonly HumanoidAppearanceSystem _sharedHuApp = default!;
         [Dependency] private readonly IdentitySystem _identity = default!;
         [Dependency] private readonly MovementSpeedModifierSystem _movementSpeedModifier = default!;
+        [Dependency] private readonly AutoEmoteSystem _autoEmote = default!;
+        [Dependency] private readonly EmoteOnDamageSystem _emoteOnDamage = default!;
         [Dependency] private readonly IChatManager _chatMan = default!;
         [Dependency] private readonly IPrototypeManager _proto = default!;
 
@@ -65,7 +70,7 @@ namespace Content.Server.Zombies
             if (args.NewMobState == MobState.Dead ||
                 args.NewMobState == MobState.Critical)
             {
-                ZombifyEntity(uid);
+                ZombifyEntity(uid, args.Component);
             }
         }
 
@@ -81,12 +86,15 @@ namespace Content.Server.Zombies
         ///     rewrite this, but this is how it shall lie eternal. Turn back now.
         ///     -emo
         /// </remarks>
-        public void ZombifyEntity(EntityUid target)
+        public void ZombifyEntity(EntityUid target, MobStateComponent? mobState = null)
         {
             //Don't zombfiy zombies
             if (HasComp<ZombieComponent>(target))
                 return;
 
+            if (!Resolve(target, ref mobState, logMissing: false))
+                return;
+
             //you're a real zombie now, son.
             var zombiecomp = AddComp<ZombieComponent>(target);
 
@@ -117,6 +125,17 @@ namespace Content.Server.Zombies
             melee.Range = 1.5f;
             Dirty(melee);
 
+            if (mobState.CurrentState == MobState.Alive)
+            {
+                // Groaning when damaged
+                EnsureComp<EmoteOnDamageComponent>(target);
+                _emoteOnDamage.AddEmote(target, "Scream");
+
+                // Random groaning
+                EnsureComp<AutoEmoteComponent>(target);
+                _autoEmote.AddEmote(target, "ZombieGroan");
+            }
+
             //We have specific stuff for humanoid zombies because they matter more
             if (TryComp<HumanoidAppearanceComponent>(target, out var huApComp)) //huapcomp
             {