Core/SAI: Implement fall movement action

3 files changed, 16 insertions, 1 deletions

diff --git a/src/server/game/AI/SmartScripts/SmartScript.cpp b/src/server/game/AI/SmartScripts/SmartScript.cpp
index 42a3e09d1d9..e8cad28a4e8 100644
--- a/src/server/game/AI/SmartScripts/SmartScript.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScript.cpp
@@ -2678,6 +2678,13 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
             }
             break;
         }
+        case SMART_ACTION_FALL:
+        {
+            for (WorldObject* target : targets)
+                if (Unit* unitTarget = target->ToUnit())
+                    unitTarget->GetMotionMaster()->MoveFall(e.action.fall.pointId);
+            break;
+        }
         default:
             TC_LOG_ERROR("sql.sql", "SmartScript::ProcessAction: Entry {} SourceType {}, Event {}, Unhandled Action type {}", e.entryOrGuid, e.GetScriptType(), e.event_id, e.GetActionType());
             break;
diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
index 7fceb43a614..65a13078bc9 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
@@ -1035,6 +1035,7 @@ bool SmartAIMgr::CheckUnusedActionParams(SmartScriptHolder const& e)
             case SMART_ACTION_ENTER_VEHICLE: return sizeof(SmartAction::enterVehicle);
             case SMART_ACTION_BOARD_PASSENGER: return sizeof(SmartAction::enterVehicle);
             case SMART_ACTION_EXIT_VEHICLE: return NO_PARAMS;
+            case SMART_ACTION_FALL: return sizeof(SmartAction::fall);
             default:
                 TC_LOG_WARN("sql.sql", "SmartAIMgr: Entry {} SourceType {} Event {} Action {} is using an action with no unused params specified in SmartAIMgr::CheckUnusedActionParams(), please report this.",
                     e.entryOrGuid, e.GetScriptType(), e.event_id, e.GetActionType());
@@ -2452,6 +2453,7 @@ bool SmartAIMgr::IsEventValid(SmartScriptHolder& e)
         case SMART_ACTION_ADD_TO_STORED_TARGET_LIST:
         case SMART_ACTION_DO_ACTION:
         case SMART_ACTION_EXIT_VEHICLE:
+        case SMART_ACTION_FALL:
             break;
         case SMART_ACTION_BECOME_PERSONAL_CLONE_FOR_PLAYER:
         {
diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.h b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
index 0b3de204454..a9127a33f8a 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.h
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
@@ -614,7 +614,8 @@ enum SMART_ACTION
     SMART_ACTION_BOARD_PASSENGER                    = 156,    // seat id
     SMART_ACTION_EXIT_VEHICLE                       = 157,
     SMART_ACTION_RESUME_MOVEMENT                    = 158,    // UNUSED NEEDS CHERRYPICK
-    SMART_ACTION_END                                = 159
+    SMART_ACTION_FALL                               = 159,    // pointId
+    SMART_ACTION_END                                = 160
 };
 
 enum class SmartActionSummonCreatureFlags
@@ -877,6 +878,11 @@ struct SmartAction
 
         struct
         {
+            uint32 pointId;
+        } fall;
+
+        struct
+        {
             SAIBool run; // unused defined by waypoint_path
             uint32 pathID;
             SAIBool repeat;