Method drawGrid

src/Battlescape/Inventory.cpp:130–201

* Draws the inventory grid for item placement. */

 * Draws the inventory grid for item placement.
 */
void Inventory::drawGrid()
{
	_grid->clear();
	Text text = Text(80, 9, 0, 0);
	text.setPalette(_grid->getPalette());
	text.initText(_game->getResourcePack()->getFont("FONT_BIG"), _game->getResourcePack()->getFont("FONT_SMALL"), _game->getLanguage());
	text.setColor(Palette::blockOffset(4)-1);
	text.setHighContrast(true);

	Uint8 color = Palette::blockOffset(0)+8;
	for (std::map<std::string, RuleInventory*>::iterator i = _game->getRuleset()->getInventories()->begin(); i != _game->getRuleset()->getInventories()->end(); ++i)
	{
		// Draw grid
		if (i->second->getType() == INV_SLOT)
		{
			for (std::vector<RuleSlot>::iterator j = i->second->getSlots()->begin(); j != i->second->getSlots()->end(); ++j)
			{
				SDL_Rect r;
				r.x = i->second->getX() + RuleInventory::SLOT_W * j->x;
				r.y = i->second->getY() + RuleInventory::SLOT_H * j->y;
				r.w = RuleInventory::SLOT_W + 1;
				r.h = RuleInventory::SLOT_H + 1;
				_grid->drawRect(&r, color);
				r.x++;
				r.y++;
				r.w -= 2;
				r.h -= 2;
				_grid->drawRect(&r, 0);
			}
		}
		else if (i->second->getType() == INV_HAND)
		{
			SDL_Rect r;
			r.x = i->second->getX();
			r.y = i->second->getY();
			r.w = RuleInventory::HAND_W * RuleInventory::SLOT_W;
			r.h = RuleInventory::HAND_H * RuleInventory::SLOT_H;
			_grid->drawRect(&r, color);
			r.x++;
			r.y++;
			r.w -= 2;
			r.h -= 2;
			_grid->drawRect(&r, 0);
		}
		else if (i->second->getType() == INV_GROUND)
		{
			for (int x = i->second->getX(); x <= 320; x += RuleInventory::SLOT_W)
			{
				for (int y = i->second->getY(); y <= 200; y += RuleInventory::SLOT_H)
				{
					SDL_Rect r;
					r.x = x;
					r.y = y;
					r.w = RuleInventory::SLOT_W + 1;
					r.h = RuleInventory::SLOT_H + 1;
					_grid->drawRect(&r, color);
					r.x++;
					r.y++;