Core/Maps: Implemented PolygonBoundary

(cherry picked from commit aed08b8a82cd4c14a6831ace7e9c4065ce29c5a4)

2 files changed, 22 insertions, 0 deletions

diff --git a/src/server/game/Maps/AreaBoundary.cpp b/src/server/game/Maps/AreaBoundary.cpp
index 179070fcaed..989c9957546 100644
--- a/src/server/game/Maps/AreaBoundary.cpp
+++ b/src/server/game/Maps/AreaBoundary.cpp
@@ -90,6 +90,15 @@ bool ZRangeBoundary::IsWithinBoundaryArea(Position const* pos) const
     return (_minZ <= pos->GetPositionZ() && pos->GetPositionZ() <= _maxZ);
 }
 
+// ---== POLYGON ==---
+PolygonBoundary::PolygonBoundary(Position origin, std::vector<Position>&& vertices, bool isInverted /* = false*/) :
+    AreaBoundary(isInverted), _origin(origin), _vertices(std::move(vertices)) { }
+
+bool PolygonBoundary::IsWithinBoundaryArea(Position const* pos) const
+{
+    return pos->IsInPolygon2D(_origin, _vertices);
+}
+
 // ---== UNION OF 2 BOUNDARIES ==---
 BoundaryUnionBoundary::BoundaryUnionBoundary(AreaBoundary const* b1, AreaBoundary const* b2, bool isInverted) :
     AreaBoundary(isInverted), _b1(b1), _b2(b2)
diff --git a/src/server/game/Maps/AreaBoundary.h b/src/server/game/Maps/AreaBoundary.h
index b08c13018d6..e650cb8b12a 100644
--- a/src/server/game/Maps/AreaBoundary.h
+++ b/src/server/game/Maps/AreaBoundary.h
@@ -150,6 +150,19 @@ class TC_GAME_API ZRangeBoundary : public AreaBoundary
         float const _minZ, _maxZ;
 };
 
+class TC_GAME_API PolygonBoundary : public AreaBoundary
+{
+public:
+    PolygonBoundary(Position origin, std::vector<Position>&& vertices, bool isInverted = false);
+
+protected:
+    bool IsWithinBoundaryArea(Position const* pos) const override;
+
+private:
+    Position _origin;
+    std::vector<Position> _vertices;
+};
+
 class TC_GAME_API BoundaryUnionBoundary : public AreaBoundary
 {
     public: