Core/Spells: Remove spell range increase when caster or target move backwards

Port From (https://github.com/TrinityCore/TrinityCore/commit/f19e1a271618a35515512ce2a64330f21133616c)
2024-08-31 17:44:12 -04:00
parent a964b9c7f8
commit fa10c00734
2 changed files with 8 additions and 2 deletions
@@ -6557,6 +6557,12 @@ namespace Game.Spells
            return SpellCastResult.SpellCastOk;
        }

+        public static bool CanIncreaseRangeByMovement(Unit unit)
+        {
+            // forward running only
+            return unit.HasUnitMovementFlag(MovementFlag.Forward | MovementFlag.StrafeLeft | MovementFlag.StrafeRight | MovementFlag.Falling) && !unit.IsWalking();
+        }
+
        (float minRange, float maxRange) GetMinMaxRange(bool strict)
        {
            float rangeMod = 0.0f;
@@ -6598,7 +6604,7 @@ namespace Game.Spells
                    }
                }

-                if (target != null && unitCaster != null && unitCaster.IsMoving() && target.IsMoving() && !unitCaster.IsWalking() && !target.IsWalking() &&
+                if (target != null && unitCaster != null && CanIncreaseRangeByMovement(target) && CanIncreaseRangeByMovement(unitCaster) &&
                    (m_spellInfo.RangeEntry.HasFlag(SpellRangeFlag.Melee) || target.IsPlayer()))
                    rangeMod += 8.0f / 3.0f;
            }