Core/Movement: add a velocity argument for the spline chain meta table

Port From (https://github.com/TrinityCore/TrinityCore/commit/a24a5e77786266ee9456fa8c422a173168804a1f)

Source/Game/Movement/Generators/SplineChainMovementGenerator.cs

@@ -91,7 +91,7 @@ namespace Game.Movement
 
                 owner.AddUnitState(UnitState.RoamingMove);
                 Span<Vector3> partial = thisLink.Points.ToArray();
-                SendPathSpline(owner, partial[(_nextFirstWP - 1)..]);
+                SendPathSpline(owner, thisLink.Velocity, partial[(_nextFirstWP - 1)..]);
 
                 Log.outDebug(LogFilter.Movement, $"SplineChainMovementGenerator::Initialize: resumed spline chain generator from resume state. ({owner.GetGUID()})");
 
@@ -178,7 +178,7 @@ namespace Game.Movement
             }
         }
 
-        uint SendPathSpline(Unit owner, Span<Vector3> path)
+        uint SendPathSpline(Unit owner, float velocity, Span<Vector3> path)
         {
             int nodeCount = path.Length;
             Cypher.Assert(nodeCount > 1, $"SplineChainMovementGenerator::SendPathSpline: Every path must have source & destination (size > 1)! ({owner.GetGUID()})");
@@ -188,6 +188,10 @@ namespace Game.Movement
                 init.MovebyPath(path.ToArray());
             else
                 init.MoveTo(path[1], false, true);
+
+            if (velocity > 0.0f)
+                init.SetVelocity(velocity);
+
             init.SetWalk(_walk);
             return (uint)init.Launch();
         }
@@ -198,7 +202,7 @@ namespace Game.Movement
             Log.outDebug(LogFilter.Movement, $"SplineChainMovementGenerator::SendSplineFor: sending spline on index: {index}. ({owner.GetGUID()})");
 
             SplineChainLink thisLink = _chain[index];
-            uint actualDuration = SendPathSpline(owner, new Span<Vector3>(thisLink.Points.ToArray()));
+            uint actualDuration = SendPathSpline(owner, thisLink.Velocity, new Span<Vector3>(thisLink.Points.ToArray()));
             if (actualDuration != thisLink.ExpectedDuration)
             {
                 Log.outDebug(LogFilter.Movement, $"SplineChainMovementGenerator::SendSplineFor: sent spline on index: {index}, duration: {actualDuration} ms. Expected duration: {thisLink.ExpectedDuration} ms (delta {actualDuration - thisLink.ExpectedDuration} ms). Adjusting. ({owner.GetGUID()})");

Source/Game/Movement/MoveSpline.cs

@@ -386,22 +386,25 @@ namespace Game.Movement
 
     public class SplineChainLink
     {
-        public SplineChainLink(Vector3[] points, uint expectedDuration, uint msToNext)
+        public List<Vector3> Points = new();
+        public uint ExpectedDuration;
+        public uint TimeToNext;
+        public float Velocity;
+
+        public SplineChainLink(Vector3[] points, uint expectedDuration, uint msToNext, float velocity)
         {
             Points.AddRange(points);
             ExpectedDuration = expectedDuration;
             TimeToNext = msToNext;
+            Velocity = velocity;
         }
 
-        public SplineChainLink(uint expectedDuration, uint msToNext)
+        public SplineChainLink(uint expectedDuration, uint msToNext, float velocity)
         {
             ExpectedDuration = expectedDuration;
             TimeToNext = msToNext;
+            Velocity = velocity;
         }
-
-        public List<Vector3> Points = new();
-        public uint ExpectedDuration;
-        public uint TimeToNext;
     }
 
     public class SplineChainResumeInfo

Source/Game/Scripting/ScriptManager.cs

@@ -259,9 +259,9 @@ namespace Game.Scripting
 
             m_mSplineChainsMap.Clear();
 
-            //                                                     0       1        2             3               4
-            SQLResult resultMeta = DB.World.Query("SELECT entry, chainId, splineId, expectedDuration, msUntilNext FROM script_spline_chain_meta ORDER BY entry asc, chainId asc, splineId asc");
-            //                                                  0       1         2       3   4  5  6
+            //                                             0      1        2         3                 4            5
+            SQLResult resultMeta = DB.World.Query("SELECT entry, chainId, splineId, expectedDuration, msUntilNext, velocity FROM script_spline_chain_meta ORDER BY entry asc, chainId asc, splineId asc");
+            //                                           0      1        2         3    4  5  6
             SQLResult resultWP = DB.World.Query("SELECT entry, chainId, splineId, wpId, x, y, z FROM script_spline_chain_waypoints ORDER BY entry asc, chainId asc, splineId asc, wpId asc");
             if (resultMeta.IsEmpty() || resultWP.IsEmpty())
             {
@@ -287,8 +287,10 @@ namespace Game.Scripting
                         continue;
                     }
 
-                    uint expectedDuration = resultMeta.Read<uint>(3), msUntilNext = resultMeta.Read<uint>(4);
-                    chain.Add(new SplineChainLink(expectedDuration, msUntilNext));
+                    uint expectedDuration = resultMeta.Read<uint>(3);
+                    uint msUntilNext = resultMeta.Read<uint>(4);
+                    float velocity = resultMeta.Read<float>(5);
+                    chain.Add(new SplineChainLink(expectedDuration, msUntilNext, velocity));
 
                     if (splineId == 0)
                         ++chainCount;

sql/updates/world/master/2021_12_16_13_world_2019_07_18_00_world.sql

@@ -0,0 +1 @@
+ALTER TABLE `script_spline_chain_meta` ADD COLUMN `velocity` FLOAT(5) UNSIGNED DEFAULT 0 AFTER `msUntilNext`;