Slick Java Poneymove Cuboid

    public static void render(GameContainer arg0, Graphics arg1) {
        arg1.setBackground(Color.black);

        if(reload) { arg1.clearAlphaMap(); reload = false; }


        if(lights.size() > 0) {
            for (int i=0; i< SeeinLights.size(); i++) {
                Light light = SeeinLights.get(i);

                //set up our alpha map for the light
                arg1.setDrawMode(Graphics.MODE_ALPHA_MAP);
                //clear the alpha map before we draw to it...


                //centre the light
                int alphaW = (int)(alphaMap.getWidth() * light.scale);
                int alphaH = (int)(alphaMap.getHeight() * light.scale);
                int alphaX = (int)((light.x - alphaW/2f) - xscroll);
                int alphaY = (int)(light.y - alphaH/2f);

                if(alphaX > -(arg0.getWidth() / 2)) {

                //we apply the light alpha here; RGB will be ignored
                sharedColor.a = light.alpha;

                //draw the alpha map
                alphaMap.draw(alphaX, alphaY, alphaW, alphaH, sharedColor);
                //start blending in our tiles
                arg1.setDrawMode(Graphics.MODE_ALPHA_BLEND);

                //we'll clip to the alpha rectangle, since anything outside of it will be transparent
                arg1.setClip(alphaX, alphaY, alphaW, alphaH);

                light.tint.bind();
                }

                Block.air.texture.draw(-50, -50, arg0.getWidth() + 100, arg0.getHeight() + 100);

                // Rendering the map
                if(!map.isEmpty()) {
                    int min_x = (int) (xscroll / Constantes.BLOCK_W);
                    int max_x = (int) ((xscroll + arg0.getWidth()) / Constantes.BLOCK_W) + 1;

                    if(min_x < 0) min_x = 0;

                    for(int x = min_x; x < max_x; ++x) {
                        for(int y = 0; y < map.get(x).size(); ++y) {
                            int POSITION_X = (x * Block.width) - (int)xscroll;
                            int POSITION_Y = (int) ((y * Block.height) - yscroll);

                            map.get(x).get(y).texture.draw(POSITION_X, POSITION_Y);
                        }
                    }
                }
            arg1.clearClip();
            }
        }

    arg1.setDrawMode(Graphics.MODE_NORMAL);
    }