Support hex colors in getLastColors (#3922)

Spigot-API-Patches/Support-hex-colors-in-getLastColors.patch

@@ -0,0 +1,34 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Gerrygames <gecam59@gmail.com>
+Date: Thu, 16 Jul 2020 10:40:10 +0200
+Subject: [PATCH] Support hex colors in getLastColors
+
+
+diff --git a/src/main/java/org/bukkit/ChatColor.java b/src/main/java/org/bukkit/ChatColor.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/org/bukkit/ChatColor.java
++++ b/src/main/java/org/bukkit/ChatColor.java
+@@ -0,0 +0,0 @@ public enum ChatColor {
+         return new String(b);
+     }
+ 
++    private static final Pattern HEX_COLOR_PATTERN = Pattern.compile(COLOR_CHAR + "x(?>" + COLOR_CHAR + "[0-9a-f]){6}", Pattern.CASE_INSENSITIVE); // Paper - Support hex colors in getLastColors
+     /**
+      * Gets the ChatColors used at the end of the given input string.
+      *
+@@ -0,0 +0,0 @@ public enum ChatColor {
+         for (int index = length - 1; index > -1; index--) {
+             char section = input.charAt(index);
+             if (section == COLOR_CHAR && index < length - 1) {
++                // Paper start - Support hex colors
++                if (index > 11 && input.charAt(index - 12) == COLOR_CHAR && (input.charAt(index - 11) == 'x' || input.charAt(index - 11) == 'X')) {
++                    String color = input.substring(index - 12, index + 2);
++                    if (HEX_COLOR_PATTERN.matcher(color).matches()) {
++                        result = color + result;
++                        break;
++                    }
++                }
++                // Paper end
+                 char c = input.charAt(index + 1);
+                 ChatColor color = getByChar(c);
+