#ifndef RECT_H
#define RECT_H

struct Rect
{
	int left;
	int top;
	int width;
	int height;

	static const Rect None;

	Rect() { }
	Rect(int _left, int _top, int _width, int _height) : left(_left), top(_top), width(_width), height(_height) { }

	bool operator ==(const Rect &other) const
	{
		return left == other.left && top == other.top && width == other.width && height == other.height;
	}

	bool operator !=(const Rect &other) const
	{
		return !(*this == other);
	}

	bool operator !() const
	{
		return *this == None;
	}

	operator bool() const
	{
		return *this != None;
	}

	bool HitX(int x) const
	{
		return x >= left && x < left + width;
	}

	bool HitY(int y) const
	{
		return y >= top && y < top + height;
	}

	bool Hit(int x, int y) const
	{
		return HitX(x) && HitY(y);
	}

	void SetIfHitX(int x, Rect &other)
	{
		if (!other && HitX(x)) other = *this;
	}

	void SetIfHitY(int y, Rect &other)
	{
		if (!other && HitY(y)) other = *this;
	}
};

#endif // RECT_H