#include "cInside.hpp"

using MathEngine::cInside;
using MathEngine::Vector4;
using MathEngine::Vector2;
using MathEngine::iVector4;
using MathEngine::iVector2;

cInside::cInside()
{
}

cInside::~cInside()
{
}

/// Functions
/*static*/ const Vector2 cInside::Inside(const Vector4& a, const Vector4& b)
{
	Vector2 rtn;
	rtn.x = 0.0f;
	rtn.y = 0.0f;

	/// Check if left side of b is inside of a
	if (b.x < a.x)
		rtn.x = a.x - b.x;
	/// Check if right side of b is inside of a
	if ((b.x + b.z) > (a.x + a.z))
		rtn.x = (a.x + a.z) - (b.x + b.z);
	/// Check if top side of b is inside of a
	if (b.y < a.y)
		rtn.y = a.y - b.y;
	/// Check if bottom side of b is inside of a
	if ((b.y + b.w) > (a.y + a.w))
		rtn.y = (a.y + a.w) - (b.y + b.w);

	return rtn;
}

/*static*/ const Vector2 cInside::Inside(const SDL_Rect& a, const Vector4& b)
{
	Vector4 temp = a;

	return cInside::Inside(temp, b);
}

/*static*/ const Vector2 cInside::Inside(const Vector4& a, const SDL_Rect& b)
{
	Vector4 temp = b;

	return cInside::Inside(a, temp);
}

/*static*/ const bool cInside::isInside(const signed long int x, const signed long int y, const SDL_Rect& inside)
{
	iVector4 temp = inside;
	return cInside::isInside(x, y, temp);
}

/*static*/ const bool cInside::isInside(const signed long int x, const signed long int y, const iVector4& inside)
{
	bool rtn = false;
	if ((inside.x < x) && (inside.w > x)) {
		if ((inside.y < y) && (inside.z > y))
			rtn = true;
	}
	return rtn;
}

/*static*/ const iVector2 cInside::Inside(const SDL_Rect& a, const SDL_Rect& b)
{
	iVector2 rtn;
	rtn.x = 0.0f;
	rtn.y = 0.0f;

	/// Check if left side of b is inside of a
	if (b.x < a.x)
		rtn.x = (float)(b.x - a.x);
	/// Check if right side of b is inside of a
	if ((b.x + b.w) > (a.x + a.w))
		rtn.x = (float)((b.x + b.w) - (a.x + a.w));
	/// Check if top side of b is inside of a
	if (b.y < a.y)
		rtn.y = (float)(b.y - a.y);
	/// Check if bottom side of b is inside of a
	if ((b.y + b.h) > (a.y + a.h))
		rtn.y = (float)((b.y + b.h) - (a.y + a.h));

	return rtn;
}

/*static*/ const iVector2 cInside::Inside(const iVector4& a, const iVector4& b)
{
	iVector2 rtn;
	rtn.x = 0;
	rtn.y = 0;

	/// Check if left side of b is inside of a
	if (b.x < a.x)
		rtn.x = b.x - a.x;
	/// Check if right side of b is inside of a
	if ((b.x + b.z) > (a.x + a.z))
		rtn.x = (b.x + b.z) - (a.x + a.z);
	/// Check if top side of b is inside of a
	if (b.y < a.y)
		rtn.y = b.y - a.y;
	/// Check if bottom side of b is inside of a
	if ((b.y + b.w) > (a.y + a.w))
		rtn.y = (b.y + b.w) - (a.y + a.w);

	return rtn;
}

/*static*/ const iVector2 cInside::Inside(const SDL_Rect& a, const iVector4& b)
{
	iVector4 temp = a;

	return cInside::Inside(temp, b);
}

/*static*/ const iVector2 cInside::Inside(const iVector4& a, const SDL_Rect& b)
{
	return cInside::Inside(b, a);
}

/*static*/ const Vector2 cInside::Inside(const iVector4& a, const Vector4& b)
{
	Vector4 temp = a;

	return cInside::Inside(temp, b);
}

/*static*/ const Vector2 cInside::Inside(const Vector4& a, const iVector4& b)
{
	return cInside::Inside(b, a);
}