1 files changed, 63 insertions, 0 deletions
diff --git a/src/main/java/kubatech/api/utils/StringUtils.java b/src/main/java/kubatech/api/utils/StringUtils.java
new file mode 100644
index 0000000000..4305b25cb6
--- /dev/null
+++ b/src/main/java/kubatech/api/utils/StringUtils.java
@@ -0,0 +1,63 @@
+/*
+ * KubaTech - Gregtech Addon
+ * Copyright (C) 2022  kuba6000
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library. If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+package kubatech.api.utils;
+
+import net.minecraft.util.EnumChatFormatting;
+
+public class StringUtils {
+
+    private static final String[] rainbow = new String[] {
+        EnumChatFormatting.DARK_RED.toString(),
+        EnumChatFormatting.RED.toString(),
+        EnumChatFormatting.GOLD.toString(),
+        EnumChatFormatting.YELLOW.toString(),
+        EnumChatFormatting.DARK_GREEN.toString(),
+        EnumChatFormatting.GREEN.toString(),
+        EnumChatFormatting.AQUA.toString(),
+        EnumChatFormatting.DARK_AQUA.toString(),
+        EnumChatFormatting.DARK_BLUE.toString(),
+        EnumChatFormatting.BLUE.toString(),
+        EnumChatFormatting.LIGHT_PURPLE.toString(),
+        EnumChatFormatting.DARK_PURPLE.toString(),
+        EnumChatFormatting.WHITE.toString(),
+        EnumChatFormatting.GRAY.toString(),
+        EnumChatFormatting.DARK_GRAY.toString(),
+        EnumChatFormatting.BLACK.toString(),
+    };
+
+    public static String applyRainbow(String str, int offset, String additional) {
+        StringBuilder final_string = new StringBuilder();
+        int i = offset;
+        for (char c : str.toCharArray())
+            final_string
+                    .append(rainbow[i++ % rainbow.length])
+                    .append(additional)
+                    .append(c);
+        return final_string.toString();
+    }
+
+    public static String applyRainbow(String str, int offset) {
+        return applyRainbow(str, offset, "");
+    }
+
+    public static String applyRainbow(String str) {
+        return applyRainbow(str, 0, "");
+    }
+}