import org.newdawn.slick.util.pathfinding.navmesh.Space; //导入依赖的package包/类
/**
 * Render the game - in this case render the map and diagnostic data
 * 
 * @param container The container we're running the game in
 * @param g The graphics context on which to render
 */
public void render(GameContainer container, Graphics g)
		throws SlickException {
	g.translate(50,50);
	for (int x=0;x<50;x++) {
		for (int y=0;y<50;y++) {
			if (dataMap.blocked(this, x, y)) {
				g.setColor(Color.gray);
				g.fillRect((x*10)+1,(y*10)+1,8,8);
			}
		}
	}
	
	if (showSpaces) {
		for (int i=0;i<navMesh.getSpaceCount();i++) {
			Space space = navMesh.getSpace(i);
			if (builder.clear(dataMap, space)) {
				g.setColor(new Color(1,1,0,0.5f));
				g.fillRect(space.getX()*10, space.getY()*10, space.getWidth()*10, space.getHeight()*10);
			}
			g.setColor(Color.yellow);
			g.drawRect(space.getX()*10, space.getY()*10, space.getWidth()*10, space.getHeight()*10);

			if (showLinks) {
				int links = space.getLinkCount();
				for (int j=0;j<links;j++) {
					Link link = space.getLink(j);
					g.setColor(Color.red);
					g.fillRect((link.getX()*10)-2, (link.getY()*10)-2,5,5);
				}
			}
		}
	}
	
	if (path != null) {
		g.setColor(Color.white);
		for (int i=0;i<path.length()-1;i++) {
			g.drawLine(path.getX(i)*10, path.getY(i)*10, path.getX(i+1)*10, path.getY(i+1)*10);
		}
	}
}