Directory Structure [step 1]: moving files

working on #672

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src/tools/vmap4_extractor/vec3d.h

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+/*
+ * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: http://github.com/azerothcore/azerothcore-wotlk/LICENSE-GPL2
+ * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ */
+
+#ifndef VEC3D_H
+#define VEC3D_H
+
+#include <iostream>
+#include <cmath>
+
+class Vec3D
+{
+public:
+    float x,y,z;
+
+    Vec3D(float x0 = 0.0f, float y0 = 0.0f, float z0 = 0.0f) : x(x0), y(y0), z(z0) {}
+
+    Vec3D(const Vec3D& v) : x(v.x), y(v.y), z(v.z) {}
+
+    Vec3D& operator= (const Vec3D &v) {
+        x = v.x;
+        y = v.y;
+        z = v.z;
+        return *this;
+    }
+
+    Vec3D operator+ (const Vec3D &v) const
+    {
+        Vec3D r(x+v.x,y+v.y,z+v.z);
+        return r;
+    }
+
+    Vec3D operator- (const Vec3D &v) const
+    {
+        Vec3D r(x-v.x,y-v.y,z-v.z);
+        return r;
+    }
+
+    float operator* (const Vec3D &v) const
+    {
+        return x*v.x + y*v.y + z*v.z;
+    }
+
+    Vec3D operator* (float d) const
+    {
+        Vec3D r(x*d,y*d,z*d);
+        return r;
+    }
+
+    friend Vec3D operator* (float d, const Vec3D& v)
+    {
+        return v * d;
+    }
+
+    Vec3D operator% (const Vec3D &v) const
+    {
+        Vec3D r(y*v.z-z*v.y, z*v.x-x*v.z, x*v.y-y*v.x);
+        return r;
+    }
+
+    Vec3D& operator+= (const Vec3D &v)
+    {
+        x += v.x;
+        y += v.y;
+        z += v.z;
+        return *this;
+    }
+
+    Vec3D& operator-= (const Vec3D &v)
+    {
+        x -= v.x;
+        y -= v.y;
+        z -= v.z;
+        return *this;
+    }
+
+    Vec3D& operator*= (float d)
+    {
+        x *= d;
+        y *= d;
+        z *= d;
+        return *this;
+    }
+
+    float lengthSquared() const
+    {
+        return x*x+y*y+z*z;
+    }
+
+    float length() const
+    {
+        return sqrt(x*x+y*y+z*z);
+    }
+
+    Vec3D& normalize()
+    {
+        this->operator*= (1.0f/length());
+        return *this;
+    }
+
+    Vec3D operator~ () const
+    {
+        Vec3D r(*this);
+        r.normalize();
+        return r;
+    }
+
+    friend std::istream& operator>>(std::istream& in, Vec3D& v)
+    {
+        in >> v.x >> v.y >> v.z;
+        return in;
+    }
+
+    friend std::ostream& operator<<(std::ostream& out, const Vec3D& v)
+    {
+        out << v.x << " " << v.y << " " << v.z;
+        return out;
+    }
+
+    operator float*()
+    {
+        return (float*)this;
+    }
+};
+
+
+class Vec2D
+{
+public:
+    float x,y;
+
+    Vec2D(float x0 = 0.0f, float y0 = 0.0f) : x(x0), y(y0) {}
+
+    Vec2D(const Vec2D& v) : x(v.x), y(v.y) {}
+
+    Vec2D& operator= (const Vec2D &v) {
+        x = v.x;
+        y = v.y;
+        return *this;
+    }
+
+    Vec2D operator+ (const Vec2D &v) const
+    {
+        Vec2D r(x+v.x,y+v.y);
+        return r;
+    }
+
+    Vec2D operator- (const Vec2D &v) const
+    {
+        Vec2D r(x-v.x,y-v.y);
+        return r;
+    }
+
+    float operator* (const Vec2D &v) const
+    {
+        return x*v.x + y*v.y;
+    }
+
+    Vec2D operator* (float d) const
+    {
+        Vec2D r(x*d,y*d);
+        return r;
+    }
+
+    friend Vec2D operator* (float d, const Vec2D& v)
+    {
+        return v * d;
+    }
+
+    Vec2D& operator+= (const Vec2D &v)
+    {
+        x += v.x;
+        y += v.y;
+        return *this;
+    }
+
+    Vec2D& operator-= (const Vec2D &v)
+    {
+        x -= v.x;
+        y -= v.y;
+        return *this;
+    }
+
+    Vec2D& operator*= (float d)
+    {
+        x *= d;
+        y *= d;
+        return *this;
+    }
+
+    float lengthSquared() const
+    {
+        return x*x+y*y;
+    }
+
+    float length() const
+    {
+        return sqrt(x*x+y*y);
+    }
+
+    Vec2D& normalize()
+    {
+        this->operator*= (1.0f/length());
+        return *this;
+    }
+
+    Vec2D operator~ () const
+    {
+        Vec2D r(*this);
+        r.normalize();
+        return r;
+    }
+
+
+    friend std::istream& operator>>(std::istream& in, Vec2D& v)
+    {
+        in >> v.x >> v.y;
+        return in;
+    }
+
+    operator float*()
+    {
+        return (float*)this;
+    }
+};
+
+inline void rotate(float x0, float y0, float *x, float *y, float angle)
+{
+    float xa = *x - x0, ya = *y - y0;
+    *x = xa*cosf(angle) - ya*sinf(angle) + x0;
+    *y = xa*sinf(angle) + ya*cosf(angle) + y0;
+}
+
+#endif