update(getMaterial): Adding a normalisation for classic namespace. (#…

…2851)

Co-authored-by: NebraskyTheWolf <[email protected]>

src/main/java/org/bukkit/Material.java

@@ -4605,7 +4605,23 @@ public static Material getMaterial(@NotNull String name, boolean legacyName) {
             return Bukkit.getUnsafe().fromLegacy(match);
         }
 
-        return BY_NAME.get(name);
+        return BY_NAME.get(normalize(name));
+    }
+
+    /**
+     * Attempts to normalise the input namespace 'modid:example_material'
+     * To the MohistMC format 'MODID_EXAMPLE_MATERIAL'
+     *
+     * @param namespace 'modid:example_material'
+     * @return normalized namespace
+     */
+    public static String normalize(String namespace) {
+        String normalized = namespace;
+
+        if (namespace.indexOf(':') != -1 && !namespace.startsWith("minecraft"))
+            normalized = normalized.replace(':', '_').toUpperCase();
+
+        return normalized;
     }
 
     /**