// helper method for above. allows visualization blocks to sit underneath partly transparent
// blocks like grass and fence
private static boolean isTransparent(Block block) {
WorldConfig applicableWorld = GriefPrevention.instance.getWorldCfg(block.getWorld());
if (applicableWorld.getModsContainerTrustIds() != null
&& applicableWorld.getModsContainerTrustIds().contains(block.getType())) return true;
if (applicableWorld.getModsAccessTrustIds() != null
&& applicableWorld.getModsAccessTrustIds().contains(block.getType())) return true;
return (block.getType() == Material.AIR
|| block.getType() == Material.LONG_GRASS
|| block.getType() == Material.FENCE
|| block.getType() == Material.LEAVES
|| block.getType() == Material.RED_ROSE
|| block.getType() == Material.CHEST
|| block.getType() == Material.TORCH
|| block.getType() == Material.VINE
|| block.getType() == Material.YELLOW_FLOWER
|| block.getType() == Material.CHEST
|| block.getType() == Material.ENDER_CHEST);
}
