/*
 * PieceGenerator.cpp
 *
 *  Created on: May 5, 2013
 *      Author: chibi_000
 */

#include "PieceGenerator.h"
#include <cstdlib>
#include <ctime>


const int PieceGenerator::pieces_array[][8] = {
	{4, 1, 1, 1, 1, 1, 0, 0},
	{3, 2, 2, 2, 2, 2, 0, 0},
	{3, 2, 3, 0, 0, 3, 3, 3},
	{3, 2, 0, 4, 0, 4, 4, 4},
	{3, 2, 5, 5, 0, 0, 5, 5},
	{3, 2, 0, 6, 6, 6, 6, 0},
	{2, 2, 7, 7, 7, 7, 0, 0},
	{0, 0, 0, 0, 0, 0, 0, 0}
};

PieceGenerator::PieceGenerator()
{
	// Create pieces
	this->initializePieces();

	// Set random seed
	srand(time(NULL));
}

PieceGenerator::~PieceGenerator()
{
}

void PieceGenerator::initializePieces()
{
	for (int i = 0; this->pieces_array[i][0] != 0; i++)
	{
		int w = this->pieces_array[i][0];
		int h = this->pieces_array[i][1];
		this->pieces.push_back(Piece(w, h, this->pieces_array[i] + 2));
	}
}

Piece PieceGenerator::getRandomPiece() const
{
	int i = rand() % this->pieces.size();

	return this->pieces[i];
}

Piece PieceGenerator::getRandomPieceRotated() const
{
	// Get random piece
	Piece p = this->getRandomPiece();

	// Rotate random times
	for (int i = rand() % 4; i >= 0; i--)
		p = p.rotate();

	// Return
	return p;
}