Method draw

src/Battlescape/MiniMapView.cpp:62–152

* Draws the minimap. */

 * Draws the minimap.
 */
void MiniMapView::draw()
{
	int _startX = _camera->getCenterPosition().x - ((getWidth() / CELL_WIDTH) / 2);
	int _startY = _camera->getCenterPosition().y - ((getHeight() / CELL_HEIGHT) / 2);

	InteractiveSurface::draw();
	if(!_set)
	{
		return;
	}
	drawRect(0, 0, getWidth(), getHeight(), 0);
	this->lock();
	for (int lvl = 0; lvl <= _camera->getCenterPosition().z; lvl++)
	{
		int py = _startY;
		for (int y = Surface::getY(); y < getHeight () + Surface::getY(); y += CELL_HEIGHT)
		{
			int px = _startX;
			for (int x = Surface::getX(); x < getWidth () + Surface::getX(); x += CELL_WIDTH)
			{
				MapData * data = 0;
				Tile * t = 0;
				Position p (px, py, lvl);
				t = _battleGame->getTile(p);
				if (!t)
				{
					px++;
					continue;
				}
				int tileShade = 16;
				if (t->isDiscovered(2))
				{
					tileShade = t->getShade();
				}
				for(int i = 0; i < 4; i++)
				{
					data = t->getMapData(i);

					Surface * s = 0;
					if(data && data->getMiniMapIndex())
					{
						s = _set->getFrame (data->getMiniMapIndex()+35);
					}
					if(s)
					{
						s->blitNShade(this, x, y, tileShade);
					}
				}
				// alive units
				if (t->getUnit() && t->getUnit()->getVisible())
				{
					int frame = t->getUnit()->getMiniMapSpriteIndex();
					int size = t->getUnit()->getArmor()->getSize();
					frame += (t->getPosition().y - t->getUnit()->getPosition().y) * size;
					frame += t->getPosition().x - t->getUnit()->getPosition().x;
					frame += _frame * size * size;
					Surface * s = _set->getFrame(frame);
					s->blitNShade(this, x, y, 0);