+ private final Map<String, Material.Bulk> bulkMaterials = new HashMap<String, Material.Bulk>();
+
+ private final Map<String, Material.Surface> surfaceMaterials = new HashMap<String, Material.Surface>();
+
+ private final Map<String, Material.Line> lineMaterials = new HashMap<String, Material.Line>();
+
+ public MaterialHolder() {
+ }
+
+ public MaterialHolder(List<Material> materials) {