From d60dda3e41de37dc24702baed4088e8afab21a6f Mon Sep 17 00:00:00 2001
From: Sevi <gonzo1247@yahoo.de>
Date: Thu, 26 Jan 2023 15:17:14 +0100
Subject: [PATCH] Core/SmartScripts: add a way to use Jump With Gravity in
 SmartScripts

---
 .../game/AI/SmartScripts/SmartScript.cpp      | 20 +++++++++++++++++--
 .../game/AI/SmartScripts/SmartScriptMgr.h     |  4 +++-
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/src/server/game/AI/SmartScripts/SmartScript.cpp b/src/server/game/AI/SmartScripts/SmartScript.cpp
index 48e96f65c94..b89e0d0aac0 100644
--- a/src/server/game/AI/SmartScripts/SmartScript.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScript.cpp
@@ -1909,8 +1909,24 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
         {
             for (WorldObject* target : targets)
             {
-                if (Creature* creature = target->ToCreature())
-                    creature->GetMotionMaster()->MoveJump(e.target.x, e.target.y, e.target.z, 0.0f, (float)e.action.jump.speedxy, (float)e.action.jump.speedz); // @todo add optional jump orientation support?
+                if (!e.action.jump.useGravity)
+                {
+                    if (Creature* creature = target->ToCreature())
+                        creature->GetMotionMaster()->MoveJump(e.target.x, e.target.y, e.target.z, 0.0f, (float)e.action.jump.speedxy, (float)e.action.jump.speedz); // @todo add optional jump orientation support?
+                }
+                else
+                {
+                    if (Creature* creature = target->ToCreature())
+                    {
+                        Position pos;
+                        pos.m_positionX = e.target.x;
+                        pos.m_positionY = e.target.y;
+                        pos.m_positionZ = e.target.z;
+                        pos.SetOrientation(e.target.o);
+
+                        creature->GetMotionMaster()->MoveJumpWithGravity(pos, (float)e.action.jump.speedxy, (float)e.action.jump.speedz);
+                    }
+                }
             }
 
             break;
diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.h b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
index cb3b40e4a6e..9b50c38dd7e 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.h
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
@@ -27,6 +27,7 @@
 
 class WorldObject;
 enum SpellEffIndex : uint8;
+typedef uint32 SAIBool;
 
 enum eSmartAI
 {
@@ -1009,7 +1010,8 @@ struct SmartAction
         struct
         {
             uint32 speedxy;
-            uint32 speedz;
+            uint32 speedz; // If useGravity true, speedZ is gravity
+            SAIBool useGravity;
         } jump;
 
         struct