package tris

type PieceType int

const (
	IPiece PieceType = iota
	JPiece
	LPiece
	SPiece
	ZPiece
	TPiece
	OPiece
)

type Point struct {
	X, Y int
}

type Piece struct {
	Type   PieceType
	RelX   int
	RelY   int
	Layout []Point
	Lock   int
}

type Bag []Piece

type Field [20][10]bool

func (f Field) String() (output string) {
	var toprow [10]bool
	var top bool
	for _, row := range f {
		top = !top
		for i, block := range row {
			if top {
				toprow[i] = block
				continue
			}
			switch {
			case toprow[i] && block:
				output += "\u2588"
			case toprow[i] && !block:
				output += "\u2580"
			case !toprow[i] && block:
				output += "\u2584"
			default:
				output += " "
			}
		}
		if !top {
			output += "\n"
		}
	}
	return output
}