X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=include%2Fvector2d.h;h=a0eb7ea821b8615ed4c58b239ade51562afee520;hb=ceb53be9e3ada7f5e9fdc1262a2612a9ea6fbd8b;hp=2d28ce7224b20fd58128098cbe7563ed04a1a75f;hpb=2ae2a551a6290f46734307bbfdafea4b1a2cf2ba;p=irrlicht.git

diff --git a/include/vector2d.h b/include/vector2d.h
index 2d28ce7..a0eb7ea 100644
--- a/include/vector2d.h
+++ b/include/vector2d.h
@@ -8,6 +8,8 @@
 #include "irrMath.h"
 #include "dimension2d.h"
 
+#include <functional>
+
 namespace irr
 {
 namespace core
@@ -27,8 +29,6 @@ public:
 	vector2d(T nx, T ny) : X(nx), Y(ny) {}
 	//! Constructor with the same value for both members
 	explicit vector2d(T n) : X(n), Y(n) {}
-	//! Copy constructor
-	vector2d(const vector2d<T>& other) : X(other.X), Y(other.Y) {}
 
 	vector2d(const dimension2d<T>& other) : X(other.Width), Y(other.Height) {}
 
@@ -36,8 +36,6 @@ public:
 
 	vector2d<T> operator-() const { return vector2d<T>(-X, -Y); }
 
-	vector2d<T>& operator=(const vector2d<T>& other) { X = other.X; Y = other.Y; return *this; }
-
 	vector2d<T>& operator=(const dimension2d<T>& other) { X = other.Width; Y = other.Height; return *this; }
 
 	vector2d<T> operator+(const vector2d<T>& other) const { return vector2d<T>(X + other.X, Y + other.Y); }
@@ -418,5 +416,21 @@ public:
 } // end namespace core
 } // end namespace irr
 
+namespace std
+{
+
+template<class T>
+struct hash<irr::core::vector2d<T> >
+{
+	size_t operator()(const irr::core::vector2d<T>& vec) const
+	{
+		size_t h1 = hash<T>()(vec.X);
+		size_t h2 = hash<T>()(vec.Y);
+		return (h1 << (4 * sizeof(h1)) | h1 >> (4 * sizeof(h1))) ^ h2;
+	}
+};
+
+}
+
 #endif