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Merge pull request #978 from mc-server/VectorAssignmentOperator

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Vector3 warning fixes
This commit is contained in:
Mattes D 2014-05-05 17:19:55 +02:00
commit 3c40544336
1 changed files with 32 additions and 12 deletions
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44
src/Vector3.h
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@ -40,7 +40,6 @@ public:
Vector3(const Vector3<_T> * a_Rhs) : x(a_Rhs->x), y(a_Rhs->y), z(a_Rhs->z) {}
// tolua_begin
inline void Set(T a_x, T a_y, T a_z)
{
x = a_x;
@ -105,7 +104,18 @@ public:
inline bool Equals(const Vector3<T> & a_Rhs) const
{
return x == a_Rhs.x && y == a_Rhs.y && z == a_Rhs.z;
// Perform a bitwise comparison of the contents - we want to know whether this object is exactly equal
// To perform EPS-based comparison, use the EqualsEps() function
return (
(memcmp(&x, &a_Rhs.x, sizeof(x)) == 0) &&
(memcmp(&y, &a_Rhs.y, sizeof(y)) == 0) &&
(memcmp(&z, &a_Rhs.z, sizeof(z)) == 0)
);
}
inline bool EqualsEps(const Vector3<T> & a_Rhs, T a_Eps) const
{
return (Abs(x - a_Rhs.x) < a_Eps) && (Abs(y - a_Rhs.y) < a_Eps) && (Abs(z - a_Rhs.z) < a_Eps);
}
inline bool operator == (const Vector3<T> & a_Rhs) const
@ -113,12 +123,6 @@ public:
return Equals(a_Rhs);
}
inline bool operator < (const Vector3<T> & a_Rhs)
{
// return (x < a_Rhs.x) && (y < a_Rhs.y) && (z < a_Rhs.z); ?
return (x < a_Rhs.x) || (x == a_Rhs.x && y < a_Rhs.y) || (x == a_Rhs.x && y == a_Rhs.y && z < a_Rhs.z);
}
inline void Move(T a_X, T a_Y, T a_Z)
{
x += a_X;
@ -163,8 +167,16 @@ public:
z *= a_v;
}
// tolua_begin
inline Vector3<T> & operator = (const Vector3<T> & a_Rhs)
{
x = a_Rhs.x;
y = a_Rhs.y;
z = a_Rhs.z;
return *this;
}
// tolua_begin
inline Vector3<T> operator + (const Vector3<T>& a_Rhs) const
{
return Vector3<T>(
@ -217,7 +229,7 @@ public:
*/
inline double LineCoeffToXYPlane(const Vector3<T> & a_OtherEnd, T a_Z) const
{
if (abs(z - a_OtherEnd.z) < EPS)
if (Abs(z - a_OtherEnd.z) < EPS)
{
return NO_INTERSECTION;
}
@ -232,7 +244,7 @@ public:
*/
inline double LineCoeffToXZPlane(const Vector3<T> & a_OtherEnd, T a_Y) const
{
if (abs(y - a_OtherEnd.y) < EPS)
if (Abs(y - a_OtherEnd.y) < EPS)
{
return NO_INTERSECTION;
}
@ -247,7 +259,7 @@ public:
*/
inline double LineCoeffToYZPlane(const Vector3<T> & a_OtherEnd, T a_X) const
{
if (abs(x - a_OtherEnd.x) < EPS)
if (Abs(x - a_OtherEnd.x) < EPS)
{
return NO_INTERSECTION;
}
@ -260,7 +272,15 @@ public:
/** Return value of LineCoeffToPlane() if the line is parallel to the plane. */
static const double NO_INTERSECTION;
protected:
/** Returns the absolute value of the given argument.
Templatized because the standard library differentiates between abs() and fabs(). */
static T Abs(T a_Value)
{
return (a_Value < 0) ? -a_Value : a_Value;
}
};
// tolua_end