feat(Core/SmartScripts): SMART_ACTION_PLAY_CINEMATIC (#10231)

* cherry-pick commit (https://github.com/TrinityCore/TrinityCore/commit/63aa5d1e3559f580551544b71fb7dd63d6b54b60)

src/server/game/AI/SmartScripts/SmartScript.cpp

@@ -3372,6 +3372,23 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
                 delete targets;
                 break;
             }
+        case SMART_ACTION_PLAY_CINEMATIC:
+            {
+                ObjectList* targets = GetTargets(e, unit);
+                if (!targets)
+                {
+                    break;
+                }
+
+                for (auto const& target : *targets)
+                {
+                    if (!IsPlayer(target))
+                        continue;
+
+                    target->ToPlayer()->SendCinematicStart(e.action.cinematic.entry);
+                }
+                break;
+            }
         default:
             LOG_ERROR("sql.sql", "SmartScript::ProcessAction: Entry {} SourceType {}, Event {}, Unhandled Action type {}", e.entryOrGuid, e.GetScriptType(), e.event_id, e.GetActionType());
             break;

src/server/game/AI/SmartScripts/SmartScriptMgr.cpp

@@ -1448,6 +1448,7 @@ bool SmartAIMgr::IsEventValid(SmartScriptHolder& e)
         case SMART_ACTION_DO_ACTION:
         case SMART_ACTION_SET_CORPSE_DELAY:
         case SMART_ACTION_ATTACK_STOP:
+        case SMART_ACTION_PLAY_CINEMATIC:
             break;
         default:
             LOG_ERROR("sql.sql", "SmartAIMgr: Not handled action_type({}), event_type({}), Entry {} SourceType {} Event {}, skipped.", e.GetActionType(), e.GetEventType(), e.entryOrGuid, e.GetScriptType(), e.event_id);

src/server/game/AI/SmartScripts/SmartScriptMgr.h

@@ -618,12 +618,12 @@ enum SMART_ACTION
     SMART_ACTION_DESPAWN_SPAWNGROUP                 = 132,    // TODO: NOT SUPPORTED YET
     SMART_ACTION_RESPAWN_BY_SPAWNID                 = 133,    // TODO: NOT SUPPORTED YET
     // SMART_ACTION_INVOKER_CAST                    = 134,    // TODO: solve name conflicts
-
+    SMART_ACTION_PLAY_CINEMATIC                     = 135,    // entry, cinematic
-    SMART_ACTION_TC_END                             = 135,    // placeholder
     SMART_ACTION_SET_MOVEMENT_SPEED                 = 136,    // movementType, speedInteger, speedFraction
 
     SMART_ACTION_SET_HEALTH_PCT                     = 142,    // percent
 
+    SMART_ACTION_TC_END                             = 199,    // placeholder
     // AC-only SmartActions:
 
     SMART_ACTION_AC_START                           = 200,    // placeholder
@@ -1316,6 +1316,11 @@ struct SmartAction
         {
             uint32 percent;
         } setHealthPct;
+
+        struct
+        {
+            uint32 entry;
+        } cinematic;
         //! Note for any new future actions
         //! All parameters must have type uint32