Disable speaking while unconscious/dead (#362)

* Disable speaking while unconscious/dead

Fixes #359

* Add CanSpeak ActionBlocker

Matches the existing technique for other actions like CanUse() and CanThrow().

Content.Server/Chat/ChatManager.cs

@@ -1,4 +1,6 @@
 using System.Linq;
+using Content.Server.GameObjects;
+using Content.Server.GameObjects.EntitySystems;
 using Content.Server.Interfaces;
 using Content.Server.Interfaces.Chat;
 using Content.Shared.Chat;
@@ -47,6 +49,11 @@ namespace Content.Server.Chat
 
         public void EntitySay(IEntity source, string message)
         {
+            if (!ActionBlockerSystem.CanSpeak(source))
+            {
+                return;
+            }
+
             var pos = source.Transform.GridPosition;
             var clients = _playerManager.GetPlayersInRange(pos, VoiceRange).Select(p => p.ConnectedClient);
 

Content.Server/GameObjects/Components/Mobs/DamageStates.cs

@@ -51,6 +51,11 @@ namespace Content.Server.GameObjects
         {
             return true;
         }
+
+        bool IActionBlocker.CanSpeak()
+        {
+            return true;
+        }
     }
 
     /// <summary>
@@ -87,6 +92,11 @@ namespace Content.Server.GameObjects
         {
             return false;
         }
+
+        bool IActionBlocker.CanSpeak()
+        {
+            return false;
+        }
     }
 
     /// <summary>
@@ -133,5 +143,10 @@ namespace Content.Server.GameObjects
         {
             return false;
         }
+
+        bool IActionBlocker.CanSpeak()
+        {
+            return false;
+        }
     }
 }

Content.Server/GameObjects/Components/Mobs/SpeciesComponent.cs

@@ -82,6 +82,11 @@ namespace Content.Server.GameObjects
             return CurrentDamageState.CanThrow();
         }
 
+        bool IActionBlocker.CanSpeak()
+        {
+            return CurrentDamageState.CanSpeak();
+        }
+
         List<DamageThreshold> IOnDamageBehavior.GetAllDamageThresholds()
         {
             var thresholdlist = DamageTemplate.DamageThresholds;

Content.Server/GameObjects/EntitySystems/ActionBlockerSystem.cs

@@ -12,6 +12,8 @@ namespace Content.Server.GameObjects.EntitySystems
         bool CanUse();
 
         bool CanThrow();
+
+        bool CanSpeak();
     }
 
     public class ActionBlockerSystem : EntitySystem
@@ -55,5 +57,15 @@ namespace Content.Server.GameObjects.EntitySystems
             }
             return canthrow;
         }
+
+        public static bool CanSpeak(IEntity entity)
+        {
+            bool canspeak = true;
+            foreach (var actionblockercomponents in entity.GetAllComponents<IActionBlocker>())
+            {
+                canspeak &= actionblockercomponents.CanSpeak();
+            }
+            return canspeak;
+        }
     }
 }