#include "aliens.h"

Aliens::Aliens(games *parent)
{
	game = parent;
	int x = loadPixmaps();
	if (x > 0) qDebug() << "Found" << x << "alien pictures";
	else qDebug() << "ERROR alien pictures not found!!";
	testAlien = new Alien(game);
}


bool Aliens::AddAlien()
{
	curAliens.push_back(new Alien(game,0.2));
	return !curAliens.isEmpty();
}

/*
void Aliens::clearAliens()
{
	curAliens.clear();
}
*/


bool Aliens::retrace()
{
	for (int i = 0; i < game->size.width(); i++)
	{
		for (int j = 0; j < game->size.height(); j++)
		{
			if (game->Cells[i][j] == 5) game->Cells[i][j]=0;
		}
	}
	if (!testAlien->RecreatePath()) return false;
	for (int i=0; i < curAliens.size(); i ++)
		if (!curAliens.at(i)->RecreatePath()) return false;
	return true;
}


int Aliens::loadPixmaps()
{
	QString str;
	QPixmap tmpAlPixmap;
	int i=1;
	str.setNum(i);
	while (i != 0) {
		str.setNum(i);
		tmpAlPixmap.load(":/aliens/images/Aliens/Al_00_" + str + ".png");
		if (!tmpAlPixmap.isNull()) {
			AlienPix.push_back(tmpAlPixmap);
			tmpAlPixmap = 0;
			i++;
		}
		else i = 0;
	}
	return AlienPix.size();
}


void Aliens::drawAliens()
{
	int n=0;
	while (n < curAliens.size())
	{
		if (!curAliens.at(n)->update()) DelAlien(n);
		else
		{
			if (curAliens.at(n)->indexPix() >= AlienPix.size())
				curAliens.at(n)->resetIndexPic();
			n++;
		}
	}
	QPainter painter(game->buff);
	QPen pen(QColor(80,200,100));
	QBrush brush(QColor(230,10,10),Qt::SolidPattern);
	painter.setPen(pen);
	painter.setBrush(brush);
	painter.drawPixmap(0,0,*game->background);
	for (int i=0; i < curAliens.size(); i ++)
	{
		/*for (int j = 0; j < curAliens.at(i)->path.size(); j++)
			painter.drawEllipse(curAliens.at(i)->path.at(j).x()*game->cellsize +4,
								curAliens.at(i)->path.at(j).y()*game->cellsize +4,
								game->cellsize - 8,
								game->cellsize - 8);*/
		painter.save();
		painter.translate(curAliens.at(i)->Pos().x()+game->cellsize/2,
						  curAliens.at(i)->Pos().y()+game->cellsize/2);
		painter.rotate(curAliens.at(i)->Angl());
		painter.drawPixmap(-game->cellsize, -game->cellsize,
						   game->cellsize*2, game->cellsize*2,
						   AlienPix[curAliens.at(i)->indexPix()]);
		painter.restore();
	}
	painter.end();
}


void Aliens::DelAlien(int index)
{
	curAliens.remove(index);
}