From c7cae32cfc89c422fae7d3ecef4902c6818f9849 Mon Sep 17 00:00:00 2001
From: joschiwald <joschiwald.trinity@gmail.com>
Date: Sun, 4 Jun 2017 10:52:06 +0200
Subject: Core/AreaTrigger: Fixed broken spline after
 b453e124231a90321fe79fbf3a62acdcfa54a691

---
 .../game/Entities/AreaTrigger/AreaTrigger.cpp      | 32 ++++++++++------------
 src/server/game/Entities/AreaTrigger/AreaTrigger.h |  2 +-
 2 files changed, 16 insertions(+), 18 deletions(-)

(limited to 'src')

diff --git a/src/server/game/Entities/AreaTrigger/AreaTrigger.cpp b/src/server/game/Entities/AreaTrigger/AreaTrigger.cpp
index d545cbb003e..83b8edf1073 100644
--- a/src/server/game/Entities/AreaTrigger/AreaTrigger.cpp
+++ b/src/server/game/Entities/AreaTrigger/AreaTrigger.cpp
@@ -418,9 +418,9 @@ void AreaTrigger::UpdatePolygonOrientation()
     // This is needed to rotate the vertices, following orientation
     for (Position& vertice : _polygonVertices)
     {
-        float tempX = vertice.GetPositionX();
-        float tempY = vertice.GetPositionY();
-        vertice.Relocate(tempX * angleCos - tempY * angleSin, tempX * angleSin + tempY * angleCos);
+        float x = vertice.GetPositionX() * angleCos - vertice.GetPositionY() * angleSin;
+        float y = vertice.GetPositionY() * angleCos + vertice.GetPositionX() * angleSin;
+        vertice.Relocate(x, y);
     }
 
     _previousCheckOrientation = newOrientation;
@@ -564,26 +564,24 @@ void AreaTrigger::UndoActions(Unit* unit)
             unit->RemoveAurasDueToSpell(action.Param, GetCasterGuid());
 }
 
-void AreaTrigger::InitSplineOffsets(std::vector<Position> const& splinePoints, uint32 timeToTarget)
+void AreaTrigger::InitSplineOffsets(std::vector<Position> const& offsets, uint32 timeToTarget)
 {
     float angleSin = std::sin(GetOrientation());
     float angleCos = std::cos(GetOrientation());
 
     // This is needed to rotate the spline, following caster orientation
     std::vector<G3D::Vector3> rotatedPoints;
-    rotatedPoints.reserve(splinePoints.size());
-    for (Position const& spline : splinePoints)
+    rotatedPoints.reserve(offsets.size());
+    for (Position const& offset : offsets)
     {
-        float tempX = spline.GetPositionX();
-        float tempY = spline.GetPositionY();
-        float tempZ = GetPositionZ();
-
-        UpdateAllowedPositionZ(spline.GetPositionX(), spline.GetPositionY(), tempZ);
-        rotatedPoints.emplace_back(
-            (tempX * angleCos - tempY * angleSin) + GetPositionX(),
-            (tempX * angleSin + tempY * angleCos) + GetPositionY(),
-            tempZ
-        );
+        float x = GetPositionX() + (offset.GetPositionX() * angleCos - offset.GetPositionY() * angleSin);
+        float y = GetPositionY() + (offset.GetPositionY() * angleCos + offset.GetPositionX() * angleSin);
+        float z = GetPositionZ();
+
+        UpdateAllowedPositionZ(x, y, z);
+        z += offset.GetPositionZ();
+
+        rotatedPoints.emplace_back(x, y, z);
     }
 
     InitSplines(std::move(rotatedPoints), timeToTarget);
@@ -628,7 +626,7 @@ void AreaTrigger::InitSplines(std::vector<G3D::Vector3> splinePoints, uint32 tim
 
 bool AreaTrigger::HasSplines() const
 {
-    return !_spline->empty();
+    return bool(_spline);
 }
 
 void AreaTrigger::UpdateSplinePosition(uint32 diff)
diff --git a/src/server/game/Entities/AreaTrigger/AreaTrigger.h b/src/server/game/Entities/AreaTrigger/AreaTrigger.h
index d3b92cae0ae..399dd1ce6b5 100644
--- a/src/server/game/Entities/AreaTrigger/AreaTrigger.h
+++ b/src/server/game/Entities/AreaTrigger/AreaTrigger.h
@@ -81,7 +81,7 @@ class TC_GAME_API AreaTrigger : public WorldObject, public GridObject<AreaTrigge
 
         Position const& GetRollPitchYaw() const { return _rollPitchYaw; }
         Position const& GetTargetRollPitchYaw() const { return _targetRollPitchYaw; }
-        void InitSplineOffsets(std::vector<Position> const& splinePoints, uint32 timeToTarget);
+        void InitSplineOffsets(std::vector<Position> const& offsets, uint32 timeToTarget);
         void InitSplines(std::vector<G3D::Vector3> splinePoints, uint32 timeToTarget);
         bool HasSplines() const;
         ::Movement::Spline<int32> const& GetSpline() const { return *_spline; }
-- 
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