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SqMod/module/Base/Vector4.hpp
Sandu Liviu Catalin b18d0a129a Implement formatting on math types. 
Just a helper method to help you generate strings from math types more easilly. A bit risky if you're dumb and don't know how format specifiers work in C because it provides direct access to those.
2020-09-03 20:33:51 +03:00

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#pragma once
// ------------------------------------------------------------------------------------------------
#include "SqBase.hpp"
// ------------------------------------------------------------------------------------------------
namespace SqMod {
/* ------------------------------------------------------------------------------------------------
* Class used to represent a four-dimensional vector.
*/
struct Vector4
{
/* --------------------------------------------------------------------------------------------
* The type of value used by components of type.
*/
typedef float Value;
/* --------------------------------------------------------------------------------------------
* Helper instances for common values mostly used as return types or comparison.
*/
static const Vector4 NIL;
static const Vector4 MIN;
static const Vector4 MAX;
/* --------------------------------------------------------------------------------------------
* The delimiter character to be used when extracting values from strings.
*/
static SQChar Delim;
/* --------------------------------------------------------------------------------------------
* The x, y, z and w components of this type.
*/
Value x, y, z, w;
/* --------------------------------------------------------------------------------------------
* Default constructor.
*/
Vector4() noexcept;
/* --------------------------------------------------------------------------------------------
* Construct a vector with the same scalar value for all components.
*/
explicit Vector4(Value sv) noexcept;
/* --------------------------------------------------------------------------------------------
* Construct a vector with the specified component values.
*/
Vector4(Value xv, Value yv, Value zv) noexcept;
/* --------------------------------------------------------------------------------------------
* Construct a vector with the specified component values.
*/
Vector4(Value xv, Value yv, Value zv, Value wv) noexcept;
/* --------------------------------------------------------------------------------------------
* Copy constructor.
*/
Vector4(const Vector4 & o) noexcept = default;
/* --------------------------------------------------------------------------------------------
* Move constructor.
*/
Vector4(Vector4 && o) noexcept = default;
/* --------------------------------------------------------------------------------------------
* Destructor.
*/
~Vector4() = default;
/* --------------------------------------------------------------------------------------------
* Copy assignment operator.
*/
Vector4 & operator = (const Vector4 & o) = default;
/* --------------------------------------------------------------------------------------------
* Move assignment operator.
*/
Vector4 & operator = (Vector4 && o) = default;
/* --------------------------------------------------------------------------------------------
* Scalar value assignment operator.
*/
Vector4 & operator = (Value s);
/* --------------------------------------------------------------------------------------------
* Three-dimensional vector assignment operator.
*/
Vector4 & operator = (const Vector3 & v);
/* --------------------------------------------------------------------------------------------
* Quaternion rotation assignment operator.
*/
Vector4 & operator = (const Quaternion & q);
/* --------------------------------------------------------------------------------------------
* Addition assignment operator.
*/
Vector4 & operator += (const Vector4 & v);
/* --------------------------------------------------------------------------------------------
* Subtraction assignment operator.
*/
Vector4 & operator -= (const Vector4 & v);
/* --------------------------------------------------------------------------------------------
* Multiplication assignment operator.
*/
Vector4 & operator *= (const Vector4 & v);
/* --------------------------------------------------------------------------------------------
* Division assignment operator.
*/
Vector4 & operator /= (const Vector4 & v);
/* --------------------------------------------------------------------------------------------
* Modulo assignment operator.
*/
Vector4 & operator %= (const Vector4 & v);
/* --------------------------------------------------------------------------------------------
* Scalar value addition assignment operator.
*/
Vector4 & operator += (Value s);
/* --------------------------------------------------------------------------------------------
* Scalar value subtraction assignment operator.
*/
Vector4 & operator -= (Value s);
/* --------------------------------------------------------------------------------------------
* Scalar value multiplication assignment operator.
*/
Vector4 & operator *= (Value s);
/* --------------------------------------------------------------------------------------------
* Scalar value division assignment operator.
*/
Vector4 & operator /= (Value s);
/* --------------------------------------------------------------------------------------------
* Scalar value modulo assignment operator.
*/
Vector4 & operator %= (Value s);
/* --------------------------------------------------------------------------------------------
* Pre-increment operator.
*/
Vector4 & operator ++ ();
/* --------------------------------------------------------------------------------------------
* Pre-decrement operator.
*/
Vector4 & operator -- ();
/* --------------------------------------------------------------------------------------------
* Post-increment operator.
*/
Vector4 operator ++ (int); // NOLINT(cert-dcl21-cpp)
/* --------------------------------------------------------------------------------------------
* Post-decrement operator.
*/
Vector4 operator -- (int); // NOLINT(cert-dcl21-cpp)
/* --------------------------------------------------------------------------------------------
* Addition operator.
*/
Vector4 operator + (const Vector4 & v) const;
/* --------------------------------------------------------------------------------------------
* Subtraction operator.
*/
Vector4 operator - (const Vector4 & v) const;
/* --------------------------------------------------------------------------------------------
* Multiplication operator.
*/
Vector4 operator * (const Vector4 & v) const;
/* --------------------------------------------------------------------------------------------
* Division operator.
*/
Vector4 operator / (const Vector4 & v) const;
/* --------------------------------------------------------------------------------------------
* Modulo operator.
*/
Vector4 operator % (const Vector4 & v) const;
/* --------------------------------------------------------------------------------------------
* Scalar value addition operator.
*/
Vector4 operator + (Value s) const;
/* --------------------------------------------------------------------------------------------
* Scalar value subtraction operator.
*/
Vector4 operator - (Value s) const;
/* --------------------------------------------------------------------------------------------
* Scalar value multiplication operator.
*/
Vector4 operator * (Value s) const;
/* --------------------------------------------------------------------------------------------
* Scalar value division operator.
*/
Vector4 operator / (Value s) const;
/* --------------------------------------------------------------------------------------------
* Scalar value modulo operator.
*/
Vector4 operator % (Value s) const;
/* --------------------------------------------------------------------------------------------
* Unary plus operator.
*/
Vector4 operator + () const;
/* --------------------------------------------------------------------------------------------
* Unary minus operator.
*/
Vector4 operator - () const;
/* --------------------------------------------------------------------------------------------
* Equality comparison operator.
*/
bool operator == (const Vector4 & v) const;
/* --------------------------------------------------------------------------------------------
* Inequality comparison operator.
*/
bool operator != (const Vector4 & v) const;
/* --------------------------------------------------------------------------------------------
* Less than comparison operator.
*/
bool operator < (const Vector4 & v) const;
/* --------------------------------------------------------------------------------------------
* Greater than comparison operator.
*/
bool operator > (const Vector4 & v) const;
/* --------------------------------------------------------------------------------------------
* Less than or equal comparison operator.
*/
bool operator <= (const Vector4 & v) const;
/* --------------------------------------------------------------------------------------------
* Greater than or equal comparison operator.
*/
bool operator >= (const Vector4 & v) const;
/* --------------------------------------------------------------------------------------------
* Used by the script engine to compare two instances of this type.
*/
Int32 Cmp(const Vector4 & v) const;
/* --------------------------------------------------------------------------------------------
* Used by the script engine to compare an instance of this type with a scalar value.
*/
Int32 Cmp(SQFloat s) const
{
return Cmp(Vector4(static_cast< Value >(s)));
}
/* --------------------------------------------------------------------------------------------
* Used by the script engine to compare an instance of this type with a scalar value.
*/
Int32 Cmp(SQInteger s) const
{
return Cmp(Vector4(static_cast< Value >(s)));
}
/* --------------------------------------------------------------------------------------------
* Used by the script engine to compare an instance of this type with a scalar value.
*/
Int32 Cmp(bool s) const
{
return Cmp(Vector4(static_cast< Value >(s)));
}
/* --------------------------------------------------------------------------------------------
* Used by the script engine to compare an instance of this type with a scalar value.
*/
Int32 Cmp(std::nullptr_t) const
{
return Cmp(Vector4(static_cast< Value >(0)));
}
/* --------------------------------------------------------------------------------------------
* Used by the script engine to convert an instance of this type to a string.
*/
CSStr ToString() const;
/* --------------------------------------------------------------------------------------------
* Set all components to the specified scalar value.
*/
void SetScalar(Value ns);
/* --------------------------------------------------------------------------------------------
* Copy the values from another instance of this type.
*/
void SetVector4(const Vector4 & v);
/* --------------------------------------------------------------------------------------------
* Set all components to the specified values.
*/
void SetVector4Ex(Value nx, Value ny, Value nz, Value nw);
/* --------------------------------------------------------------------------------------------
* Copy the values from a three-dimensional vector.
*/
void SetVector3(const Vector3 & v);
/* --------------------------------------------------------------------------------------------
* Set all components to the specified values.
*/
void SetVector3Ex(Value nx, Value ny, Value nz);
/* --------------------------------------------------------------------------------------------
* Copy the values from a quaternion rotation.
*/
void SetQuaternion(const Quaternion & q);
/* --------------------------------------------------------------------------------------------
* Copy the values from a quaternion rotation.
*/
void SetQuaternionEx(Value nx, Value ny, Value nz, Value nw);
/* --------------------------------------------------------------------------------------------
* Set the values extracted from the specified string using the specified delimiter.
*/
void SetStr(SQChar delim, StackStrF & values);
/* --------------------------------------------------------------------------------------------
* Generate random values for all components of this instance.
*/
void Generate();
/* --------------------------------------------------------------------------------------------
* Generate random values for all components of this instance within the specified bounds.
*/
void Generate(Value min, Value max);
/* --------------------------------------------------------------------------------------------
* Generate random values for all components of this instance within the specified bounds.
*/
void Generate(Value xmin, Value xmax, Value ymin, Value ymax, Value zmin, Value zmax, Value wmin, Value wmax);
/* --------------------------------------------------------------------------------------------
* Clear the component values to default.
*/
void Clear()
{
x = 0.0, y = 0.0, z = 0.0, w = 0.0;
}
/* --------------------------------------------------------------------------------------------
* Retrieve a new instance of this type with absolute component values.
*/
Vector4 Abs() const;
/* --------------------------------------------------------------------------------------------
* Generate a formatted string with the values from this instance.
*/
LightObj Format(const String & spec, StackStrF & fmt) const;
/* --------------------------------------------------------------------------------------------
* Extract the values for components of the Vector4 type from a string.
*/
static const Vector4 & Get(StackStrF & str);
/* --------------------------------------------------------------------------------------------
* Extract the values for components of the Vector4 type from a string.
*/
static const Vector4 & GetEx(SQChar delim, StackStrF & str);
};
} // Namespace:: SqMod
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