1+ package net .matrixcreations .libraries ;
2+
3+ import net .kyori .adventure .text .Component ;
4+ import net .kyori .adventure .text .TextComponent ;
5+ import net .kyori .adventure .text .format .TextColor ;
6+ import net .kyori .adventure .text .format .TextDecoration ;
7+ import net .kyori .adventure .text .serializer .legacy .LegacyComponentSerializer ;
8+
9+ import java .util .List ;
10+ import java .util .regex .Matcher ;
11+ import java .util .regex .Pattern ;
12+ import java .util .stream .Collectors ;
13+
14+ public class ColorUtils {
15+
16+ private static final Pattern HEX_PATTERN = Pattern .compile ("&#([A-Fa-f0-9]{6})" );
17+ private static final Pattern GRADIENT_PATTERN = Pattern .compile ("<GRADIENT:#([A-Fa-f0-9]{6})>(.*?)</GRADIENT:#([A-Fa-f0-9]{6})>" );
18+ private static final Pattern SOLID_PATTERN = Pattern .compile ("<SOLID:#([A-Fa-f0-9]{6})>(.*?)(?:</SOLID>|$)" );
19+ private static final Pattern LEGACY_PATTERN = Pattern .compile ("&([0-9a-fk-or])" );
20+
21+ public static String process (String text ) {
22+ text = processGradients (text );
23+ text = processSolidColors (text );
24+ text = processHexColors (text );
25+ return processLegacyCodes (text );
26+ }
27+
28+ public static List <String > process (List <String > texts ) {
29+ return texts .stream ().map (ColorUtils ::process ).collect (Collectors .toList ());
30+ }
31+
32+ private static String processGradients (String text ) {
33+ Matcher matcher = GRADIENT_PATTERN .matcher (text );
34+ StringBuffer buffer = new StringBuffer ();
35+
36+ while (matcher .find ()) {
37+ String startColor = matcher .group (1 );
38+ String content = matcher .group (2 );
39+ String endColor = matcher .group (3 );
40+
41+ String gradientText = applyGradient (content , startColor , endColor );
42+ matcher .appendReplacement (buffer , Matcher .quoteReplacement (gradientText ));
43+ }
44+
45+ matcher .appendTail (buffer );
46+ return buffer .toString ();
47+ }
48+
49+ private static String processSolidColors (String text ) {
50+ Matcher matcher = SOLID_PATTERN .matcher (text );
51+ StringBuffer buffer = new StringBuffer ();
52+
53+ while (matcher .find ()) {
54+ String hexColor = matcher .group (1 );
55+ String content = matcher .group (2 );
56+
57+ String solidColorText = applySolidColor (content , hexColor );
58+ matcher .appendReplacement (buffer , Matcher .quoteReplacement (solidColorText ));
59+ }
60+
61+ matcher .appendTail (buffer );
62+ return buffer .toString ();
63+ }
64+
65+ private static String processHexColors (String text ) {
66+ Matcher matcher = HEX_PATTERN .matcher (text );
67+ StringBuffer buffer = new StringBuffer ();
68+
69+ while (matcher .find ()) {
70+ String hexColor = matcher .group (1 );
71+ String replacement = "§x§" + String .join ("§" , hexColor .split ("" ));
72+ matcher .appendReplacement (buffer , replacement );
73+ }
74+
75+ matcher .appendTail (buffer );
76+ return buffer .toString ();
77+ }
78+
79+ private static String processLegacyCodes (String text ) {
80+ return text .replace ('&' , '§' );
81+ }
82+
83+ private static String applyGradient (String text , String startColor , String endColor ) {
84+ TextColor start = TextColor .fromHexString ("#" + startColor );
85+ TextColor end = TextColor .fromHexString ("#" + endColor );
86+
87+ StringBuilder result = new StringBuilder ();
88+ boolean isBold = text .contains ("§l" ) || text .contains ("&l" );
89+ boolean isItalic = text .contains ("§o" ) || text .contains ("&o" );
90+ boolean isUnderlined = text .contains ("§n" ) || text .contains ("&n" );
91+ boolean isStrikethrough = text .contains ("§m" ) || text .contains ("&m" );
92+ boolean isObfuscated = text .contains ("§k" ) || text .contains ("&k" );
93+
94+ // Remove formatting markers from the actual text before processing
95+ text = text .replace ("§l" , "" ).replace ("&l" , "" );
96+ text = text .replace ("§o" , "" ).replace ("&o" , "" );
97+ text = text .replace ("§n" , "" ).replace ("&n" , "" );
98+ text = text .replace ("§m" , "" ).replace ("&m" , "" );
99+ text = text .replace ("§k" , "" ).replace ("&k" , "" );
100+
101+ int length = text .length ();
102+ for (int i = 0 ; i < length ; i ++) {
103+ float ratio = (float ) i / length ; // Changed ratio calculation
104+ TextColor color = interpolateColor (start , end , ratio );
105+
106+ TextComponent .Builder component = Component .text ()
107+ .content (String .valueOf (text .charAt (i )))
108+ .color (color );
109+
110+ if (isBold ) component .decorate (TextDecoration .BOLD );
111+ if (isItalic ) component .decorate (TextDecoration .ITALIC );
112+ if (isUnderlined ) component .decorate (TextDecoration .UNDERLINED );
113+ if (isStrikethrough ) component .decorate (TextDecoration .STRIKETHROUGH );
114+ if (isObfuscated ) component .decorate (TextDecoration .OBFUSCATED );
115+
116+ result .append (LegacyComponentSerializer .legacySection ().serialize (component .build ()));
117+ }
118+
119+ return result .toString ();
120+ }
121+
122+
123+ private static String applySolidColor (String text , String hexColor ) {
124+ TextColor color = TextColor .fromHexString ("#" + hexColor );
125+
126+ boolean isBold = text .contains ("§l" ) || text .contains ("&l" );
127+ boolean isItalic = text .contains ("§o" ) || text .contains ("&o" );
128+ boolean isUnderlined = text .contains ("§n" ) || text .contains ("&n" );
129+ boolean isStrikethrough = text .contains ("§m" ) || text .contains ("&m" );
130+ boolean isObfuscated = text .contains ("§k" ) || text .contains ("&k" );
131+
132+ text = text .replace ("§l" , "" ).replace ("&l" , "" );
133+ text = text .replace ("§o" , "" ).replace ("&o" , "" );
134+ text = text .replace ("§n" , "" ).replace ("&n" , "" );
135+ text = text .replace ("§m" , "" ).replace ("&m" , "" );
136+ text = text .replace ("§k" , "" ).replace ("&k" , "" );
137+
138+ TextComponent .Builder component = Component .text ()
139+ .content (text )
140+ .color (color );
141+
142+ if (isBold ) component .decorate (TextDecoration .BOLD );
143+ if (isItalic ) component .decorate (TextDecoration .ITALIC );
144+ if (isUnderlined ) component .decorate (TextDecoration .UNDERLINED );
145+ if (isStrikethrough ) component .decorate (TextDecoration .STRIKETHROUGH );
146+ if (isObfuscated ) component .decorate (TextDecoration .OBFUSCATED );
147+
148+ return LegacyComponentSerializer .legacySection ().serialize (component .build ());
149+ }
150+
151+ private static TextColor interpolateColor (TextColor start , TextColor end , float ratio ) {
152+ int red = (int ) (start .red () + (end .red () - start .red ()) * ratio );
153+ int green = (int ) (start .green () + (end .green () - start .green ()) * ratio );
154+ int blue = (int ) (start .blue () + (end .blue () - start .blue ()) * ratio );
155+
156+ return TextColor .color (red , green , blue );
157+ }
158+ }
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