Fix: split multibyte sentence with unicodeIndex

src/game/lib/util/string_util.js

@@ -177,6 +177,54 @@ StringUtil.isSameKoreanAlphabet = function(firstAlphabet, secondAlphabet) {
 	return false;
 };
 
+StringUtil.isKoreanAlphabet = function(char) {
+	c = char.charCodeAt(0);
+	if(0x1100 <= c && c <= 0x11FF)
+		return true;
+	if(0x3130 <= c && c <= 0x318F)
+		return true;
+	if(0xAC00 <= c && c <= 0xD7A3)
+		return true;
+
+	return false;
+};
+
+StringUtil.getUnicodeAlphabetCount = function(text) {
+	var count = 0;
+	var textLen = text.length
+	for(var i = 0; i < textLen; i++) {
+		if(StringUtil.isKoreanAlphabet(text[i]))
+			count += 2;
+		else
+			count++
+	}
+
+	return count;
+};
+
+StringUtil.getMultibyteIndex = function(multibyteText, unicodeCharIndex) {
+	var multibyteTextIndex = 0;
+	var index = 0;
+	while(index < unicodeCharIndex) {
+		var unicodeChar = multibyteText[multibyteTextIndex];
+		if(typeof unicodeChar == "undefined")
+			break;
+
+		if(StringUtil.isKoreanAlphabet(unicodeChar)) {
+			if(index + 2 <= unicodeCharIndex)
+				index += 2;
+			else
+				break;
+		} else
+			index += 1;
+
+		multibyteTextIndex++;
+	}
+
+	return multibyteTextIndex;
+};
+
+
 StringUtil.getScoreUnit = function(playingAppID) {
 	if(playingAppID == 104)
 		return " 초";