Method addMaterial

src/main/java/org/bukkit/Material.java:8639–8655

(String materialName, int id, boolean isBlock)

    }

    public static Material addMaterial(String materialName, int id, boolean isBlock) {
        // Forge Blocks
        if (isBlock) {
            Material material = BY_NAME.get(materialName);
            if (material != null){
                material.isForgeBlock = true;
            }else {
                material = (Material) MohistEnumHelper.addEnum(Material.class, materialName, new Class[]{Integer.TYPE, Boolean.TYPE}, new Object[]{Integer.valueOf(id), true});
            }
            BY_NAME.put(materialName, material);
            return material;
        } else { // Forge Items
            Material material = (Material) MohistEnumHelper.addEnum(Material.class, materialName, new Class[]{Integer.TYPE, Boolean.TYPE}, new Object[]{Integer.valueOf(id), false});
            BY_NAME.put(materialName, material);
            return material;
        }
    }
}