Core: Move FillCirclePath function to MotionMaster

2 files changed, 38 insertions, 0 deletions

diff --git a/src/server/game/Movement/MotionMaster.cpp b/src/server/game/Movement/MotionMaster.cpp
index 47e5b77a0da..bda3ad851c8 100644
--- a/src/server/game/Movement/MotionMaster.cpp
+++ b/src/server/game/Movement/MotionMaster.cpp
@@ -387,6 +387,43 @@ void MotionMaster::MoveJump(float x, float y, float z, float speedXY, float spee
     Mutate(new EffectMovementGenerator(id), MOTION_SLOT_CONTROLLED);
 }
 
+void MotionMaster::MoveCirclePath(float x, float y, float z, float radius, bool clockwise, uint8 stepCount)
+{
+    float step = 2 * float(M_PI) / stepCount * (clockwise ? -1.0f : 1.0f);
+    Position const& pos = { x, y, z, 0.0f };
+    float angle = pos.GetAngle(_owner->GetPositionX(), _owner->GetPositionY());
+
+    Movement::MoveSplineInit init(_owner);
+
+    for (uint8 i = 0; i < stepCount; angle += step, ++i)
+    {
+        G3D::Vector3 point;
+        point.x = x + radius * cosf(angle);
+        point.y = y + radius * sinf(angle);
+
+        if (_owner->IsFlying())
+            point.z = z;
+        else
+            point.z = _owner->GetMap()->GetHeight(_owner->GetPhaseMask(), point.x, point.y, z);
+
+        init.Path().push_back(point);
+    }
+
+    if (_owner->IsFlying())
+    {
+        init.SetFly();
+        init.SetCyclic();
+        init.SetAnimation(Movement::ToFly);
+    }
+    else
+    {
+        init.SetWalk(true);
+        init.SetCyclic();
+    }
+
+    init.Launch();
+}
+
 void MotionMaster::MoveFall(uint32 id /*=0*/)
 {
     // use larger distance for vmap height search than in most other cases
diff --git a/src/server/game/Movement/MotionMaster.h b/src/server/game/Movement/MotionMaster.h
index 2821cd5a59b..0b547d96e7f 100644
--- a/src/server/game/Movement/MotionMaster.h
+++ b/src/server/game/Movement/MotionMaster.h
@@ -184,6 +184,7 @@ class MotionMaster //: private std::stack<MovementGenerator *>
         void MoveJump(Position const& pos, float speedXY, float speedZ, uint32 id = EVENT_JUMP)
             { MoveJump(pos.m_positionX, pos.m_positionY, pos.m_positionZ, speedXY, speedZ, id); };
         void MoveJump(float x, float y, float z, float speedXY, float speedZ, uint32 id = EVENT_JUMP);
+        void MoveCirclePath(float x, float y, float z, float radius, bool clockwise, uint8 stepCount);
         void MoveFall(uint32 id = 0);
 
         void MoveSeekAssistance(float x, float y, float z);