if (is_closed)
{
    draw_self();
}
else
{
    gpu_set_blendenable(false);
    gpu_set_colorwriteenable(false, false, false, true);
    draw_sprite(spr_lw_trees_fence_mask, 0, 242, 30);
    gpu_set_blendenable(true);
    gpu_set_colorwriteenable(true, true, true, true);
    gpu_set_blendmode_ext(bm_dest_alpha, bm_inv_dest_alpha);
    gpu_set_alphatestenable(true);
    draw_sprite(fence_right_sprite, 0, fence_right_xpos, fence_right_ypos);
    gpu_set_alphatestenable(false);
    gpu_set_blendmode(bm_normal);
}