more tweaks on cyrillic family; control char impl to override RU/BG/SR mode

2026-03-07 11:51:50 +09:00 · 2018-07-27 03:26:06 +09:00
parent 496c17276d
commit 2cc9f0ba8c
9 changed files with 127 additions and 90 deletions
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -10,7 +10,11 @@
      <change beforePath="$PROJECT_DIR$/FontTestGDX/demotext.txt" beforeDir="false" afterPath="$PROJECT_DIR$/FontTestGDX/demotext.txt" afterDir="false" />
      <change beforePath="$PROJECT_DIR$/FontTestGDX/lib/TerrarumSansBitmap.jar" beforeDir="false" afterPath="$PROJECT_DIR$/FontTestGDX/lib/TerrarumSansBitmap.jar" afterDir="false" />
      <change beforePath="$PROJECT_DIR$/FontTestGDX/src/FontTestGDX.kt" beforeDir="false" afterPath="$PROJECT_DIR$/FontTestGDX/src/FontTestGDX.kt" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/assets/cyrilic_bulgarian_variable.tga" beforeDir="false" afterPath="$PROJECT_DIR$/assets/cyrilic_bulgarian_variable.tga" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/assets/cyrilic_serbian_variable.tga" beforeDir="false" afterPath="$PROJECT_DIR$/assets/cyrilic_serbian_variable.tga" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/assets/cyrilic_variable.tga" beforeDir="false" afterPath="$PROJECT_DIR$/assets/cyrilic_variable.tga" afterDir="false" />
      <change beforePath="$PROJECT_DIR$/src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt" beforeDir="false" afterPath="$PROJECT_DIR$/src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/net/torvald/terrarumsansbitmap/slick2d/GameFontBase.kt" beforeDir="false" afterPath="$PROJECT_DIR$/src/net/torvald/terrarumsansbitmap/slick2d/GameFontBase.kt" afterDir="false" />
    </list>
    <ignored path="$PROJECT_DIR$/out/" />
    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -30,8 +34,8 @@
          <file leaf-file-name="GameFontBase.kt" pinned="false" current-in-tab="true">
            <entry file="file://$PROJECT_DIR$/src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt">
              <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="534">
-                  <caret line="810" column="37" lean-forward="true" selection-start-line="810" selection-start-column="37" selection-end-line="810" selection-end-column="37" />
+                <state relative-caret-position="588">
+                  <caret line="722" column="30" lean-forward="true" selection-start-line="722" selection-start-column="30" selection-end-line="722" selection-end-column="30" />
                </state>
              </provider>
            </entry>
@@ -52,8 +56,8 @@
          <file leaf-file-name="FontTestGDX.kt" pinned="false" current-in-tab="false">
            <entry file="file://$PROJECT_DIR$/FontTestGDX/src/FontTestGDX.kt">
              <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="541">
-                  <caret line="111" column="92" selection-start-line="111" selection-start-column="92" selection-end-line="111" selection-end-column="92" />
+                <state relative-caret-position="491">
+                  <caret line="126" column="20" lean-forward="true" selection-start-line="126" selection-start-column="20" selection-end-line="126" selection-end-column="20" />
                  <folding>
                    <element signature="e#48#162#0" expanded="true" />
                  </folding>
@@ -61,11 +65,20 @@
              </provider>
            </entry>
          </file>
-          <file leaf-file-name="demotext.txt" pinned="false" current-in-tab="true">
+          <file leaf-file-name="GameFontBase.kt" pinned="false" current-in-tab="true">
+            <entry file="file://$PROJECT_DIR$/src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt">
+              <provider selected="true" editor-type-id="text-editor">
+                <state relative-caret-position="499">
+                  <caret line="273" lean-forward="true" selection-start-line="273" selection-end-line="273" />
+                </state>
+              </provider>
+            </entry>
+          </file>
+          <file leaf-file-name="demotext.txt" pinned="false" current-in-tab="false">
            <entry file="file://$PROJECT_DIR$/FontTestGDX/demotext.txt">
              <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="566">
-                  <caret line="72" column="83" lean-forward="true" selection-start-line="72" selection-start-column="83" selection-end-line="72" selection-end-column="83" />
+                <state relative-caret-position="514">
+                  <caret line="67" column="58" selection-start-line="67" selection-start-column="58" selection-end-line="67" selection-end-column="58" />
                </state>
              </provider>
            </entry>
@@ -112,6 +125,13 @@
      <find>ө</find>
      <find>ď</find>
      <find>ñ</find>
+      <find>fun relo</find>
+      <find>getSheetT</find>
+      <find>Unexpected</find>
+      <find>Unexp</find>
+      <find>fun getSh</find>
+      <find>codeRange</find>
+      <find>isHangul</find>
    </findStrings>
    <replaceStrings>
      <replace>.141</replace>
@@ -130,9 +150,9 @@
        <option value="$PROJECT_DIR$/LICENSE.md" />
        <option value="$PROJECT_DIR$/README.md" />
        <option value="$PROJECT_DIR$/src/net/torvald/terrarumsansbitmap/slick2d/GameFontBase.kt" />
-        <option value="$PROJECT_DIR$/src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt" />
        <option value="$PROJECT_DIR$/FontTestGDX/src/FontTestGDX.kt" />
        <option value="$PROJECT_DIR$/FontTestGDX/demotext.txt" />
+        <option value="$PROJECT_DIR$/src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt" />
      </list>
    </option>
  </component>
@@ -654,10 +674,10 @@
    <entry file="file://$USER_HOME$/AppData/Local/Temp/Ихадоу адаҟьа.URL">
      <provider selected="true" editor-type-id="text-editor" />
    </entry>
-    <entry file="file://$PROJECT_DIR$/src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt">
+    <entry file="jar://$PROJECT_DIR$/FontTestGDX/lib/TerrarumSansBitmap.jar!/net/torvald/terrarumsansbitmap/gdx/GameFontBase.class">
      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="534">
-          <caret line="810" column="37" lean-forward="true" selection-start-line="810" selection-start-column="37" selection-end-line="810" selection-end-column="37" />
+        <state relative-caret-position="241">
+          <caret line="98" column="21" selection-start-line="98" selection-start-column="21" selection-end-line="98" selection-end-column="21" />
        </state>
      </provider>
    </entry>
@@ -675,8 +695,8 @@
    </entry>
    <entry file="file://$PROJECT_DIR$/FontTestGDX/src/FontTestGDX.kt">
      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="541">
-          <caret line="111" column="92" selection-start-line="111" selection-start-column="92" selection-end-line="111" selection-end-column="92" />
+        <state relative-caret-position="491">
+          <caret line="126" column="20" lean-forward="true" selection-start-line="126" selection-start-column="20" selection-end-line="126" selection-end-column="20" />
          <folding>
            <element signature="e#48#162#0" expanded="true" />
          </folding>
@@ -685,8 +705,15 @@
    </entry>
    <entry file="file://$PROJECT_DIR$/FontTestGDX/demotext.txt">
      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="566">
-          <caret line="72" column="83" lean-forward="true" selection-start-line="72" selection-start-column="83" selection-end-line="72" selection-end-column="83" />
+        <state relative-caret-position="514">
+          <caret line="67" column="58" selection-start-line="67" selection-start-column="58" selection-end-line="67" selection-end-column="58" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="499">
+          <caret line="273" lean-forward="true" selection-start-line="273" selection-end-line="273" />
        </state>
      </provider>
    </entry>
--- a/FontTestGDX/demotext.txt
+++ b/FontTestGDX/demotext.txt
@@ -25,10 +25,9 @@ How multilingual? Real multilingual!
    Ианҵоуп ақьаад, нусхур аҩырала, ҩ ҽшьаҟакла, иҧшӡоу анапҩырала
    Գրիչս վայր դրի, վեր կացա և պատրաստվում էի, որ քնեմ, երբ հանկարծ դռանս զանգակը հնչեց
    Zəfər, jaketini də papağını da götür, bu axşam hava çox soyuq olacaq
-    Под южно дърво, цъфтящо в синьо, бягаше малко пухкаво зайче (BG)
+    󿿹Под южно дърво, цъфтящо в синьо, бягаше малко пухкаво зайче󿿸
    Příliš žluťoučký kůň úpěl ďábelské ódy
    Quizdeltagerne spiste jordbær med fløde, mens cirkusklovnen Walther spillede på xylofon
-    Pack my box with five dozen liquor jugs
    Victor jagt zwölf Boxkämpfer quer über den großen Sylter Deich
    διαφυλάξτε γενικά τη ζωή σας από βαθειά ψυχικά τραύματα
    ΔΙΑΦΥΛΆΞΤΕ ΓΕΝΙΚΆ ΤΗ ΖΩΉ ΣΑΣ ΑΠΌ ΒΑΘΕΙΆ ΨΥΧΙΚΆ ΤΡΑΎΜΑΤΑ
@@ -45,7 +44,7 @@ How multilingual? Real multilingual!
    Pchnąć w tę łódź jeża lub ośm skrzyń fig
    Înjurând pițigăiat, zoofobul comandă vexat whisky și tequila
    Широкая электрификация южных губерний даст мощный толчок подъёму сельского хозяйства
-    Ајшо, лепото и чежњо, за љубав срца мога дођи у Хаџиће на кафу (SR)
+    󿿺Ајшо, лепото и чежњо, за љубав срца мога дођи у Хаџиће на кафу󿿸
    Jovencillo emponzoñado de whisky: ¡qué figurota exhibe!
    นายสังฆภัณฑ์ เฮงพิทักษ์ฝั่ง ผู้เฒ่าซึ่งมีอาชีพเป็นฅนขายฃวด ถูกตำรวจปฏิบัติการจับฟ้องศาล ฐานลักนาฬิกาคุณหญิงฉัตรชฎา ฌานสมาธิ
    Pijamalı hasta yağız şoföre çabucak güvendi
@@ -53,7 +52,7 @@ How multilingual? Real multilingual!
    Do bạch kim rất quý nên sẽ dùng để lắp vô xương
    日堀油告観観藤村抄海評業庁経賃室弁市。太撮収改売週法所何都慣次現。価紙一無三洋日話転手治稿載末替付致治。

-Featuring:
+Features:

    Ever heard of « Guillemets »? You speak „Nederlands” or „Deutsch“? ”suomi”? 「日本語」しゃべる？或《中文》？

@@ -66,10 +65,10 @@ Fixed-width numbers, because number-crunching matters

    􏀏ᚱ􏄏ᛂ􏈏ᚴ􏌏ᛋ􏐏ᛂ􏔏ᛋ􏘏ᛏ􏜏ᛋ􏠏ᚮ􏤏ᚾ􏨏ᛔ􏬏ᚢ􏰏ᛏ􏴏ᛚ􏸏ᚮ􏼏ᛋ􎼏᛬􍼏ᚱ􌼏ᛂ􋼏ᚴ􊼏ᛋ􉼏ᛋ􈼏ᚢ􇼏ᚼ􆼏ᚾ􅼏ᚢ􄼏ᛘ􃼏ᚢ􂼏ᛚ􁼏ᚾ􀼏ᛏ􀼟ᚮ􀼯᛬􀼿ᛏ􀽏ᚮ􀽟ᛋ􀽯ᛁ􀽿ᚮ􀾏ᚵ􀾟ᛂ􀾯ᚢ􀾿ᛏ􀿏ᚮ􀿟ᚱ􀿯ᛘ􀿿ᛔ􀻿ᚱ􀷿ᛂ􀳿ᚴ􀯿ᛋ􀫿ᛏ􀧿᛭􀣿ᛋ􀟿ᚢ􀛿ᚼ􀗿ᚾ􀓿ᚢ􀏿ᛋ􀋿ᛘ􀇿ᚮ􀃿ᛁ􁃿ᚵ􂃿ᚾ􃃿ᛁ􄃿ᛂ􅃿ᛏ􆃿ᚮ􇃿ᛑ􈃿᛭􉃿ᚵ􊃿ᛂ􋃿ᚢ􌃿ᛏ􍃿ᚮ􎃿ᚱ􀀀

-Colour-coding that supports 65535 (semi-transparent) colours via 4 bit RGBA
+Colour-code that supports 65535 opaque or semi-transparent colours via 4 bit RGBA

-    За миг бях в чужд плюшен скърцащ фотьойл (Bulgarian)
-    Љубазни фењерџија чађавог лица хоће да ми покаже штос (Serbian)
+    󿿹Гномът Доцьо приключи спящ в шейна за жаби󿿸 (Bulgarian)
+    󿿺Љубазни фењерџија чађавог лица хоће да ми покаже штос󿿸 (Serbian)
    Разъяренный чтец эгоистично бьёт пятью жердями шустрого фехтовальщика (Russian)

 Control characters to support Bulgarian and Serbian letter shapes on the fly
--- a/FontTestGDX/lib/TerrarumSansBitmap.jar
+++ b/FontTestGDX/lib/TerrarumSansBitmap.jar
--- a/FontTestGDX/src/FontTestGDX.kt
+++ b/FontTestGDX/src/FontTestGDX.kt
@@ -129,6 +129,12 @@ class FontTestGDX : Game() {
        }

        println("${font.noColorCode}\nEND")
+
+        println(font.charsetOverrideNormal)
+        println(font.charsetOverrideBulgarian)
+        println(font.charsetOverrideSerbian)
+        println(font.noColorCode)
+        println(font.toColorCode(0xFFFF))
    }

    override fun getScreen(): Screen? {
--- a/assets/cyrilic_bulgarian_variable.tga
+++ b/assets/cyrilic_bulgarian_variable.tga
--- a/assets/cyrilic_serbian_variable.tga
+++ b/assets/cyrilic_serbian_variable.tga
--- a/assets/cyrilic_variable.tga
+++ b/assets/cyrilic_variable.tga
--- a/src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt
+++ b/src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt
@@ -128,10 +128,12 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false, val flipY: Bo
    private fun isArmenian(c: Char) = c.toInt() in codeRange[SHEET_HAYEREN_VARW]
    private fun isKartvelian(c: Char) = c.toInt() in codeRange[SHEET_KARTULI_VARW]
    private fun isIPA(c: Char) = c.toInt() in codeRange[SHEET_IPA_VARW]
-    private fun isColourCodeHigh(c: Char) = c.toInt() in 0b110110_1111000000..0b110110_1111111111 // only works with JVM (which uses UTF-16 internally)
-    private fun isColourCodeLow(c: Char) = c.toInt() in 0b110111_0000000000..0b110111_1111111111 // only works with JVM (which uses UTF-16 internally)
+    private fun isColourCodeHigh(c: Char) = c.toInt() in 0xDC00..0xDFFF // only works with JVM (which uses UTF-16 internally)
+    private fun isColourCodeLow(c: Char) = c.toInt() in 0xDBC0..0xDBFF // only works with JVM (which uses UTF-16 internally)
    private fun isLatinExtAdd(c: Char) = c.toInt() in 0x1E00..0x1EFF
-
+    private fun isCharsetOverrideHigh(c: Char) = c.toInt() in 0xDFF8..0xDFFF // only works with JVM (which uses UTF-16 internally)
+    private fun isCharsetOverrideLow(c: Char) = c.toInt() == 0xDBBF // only works with JVM (which uses UTF-16 internally)
+    private fun isBulgarian(c: Char) = c.toInt() in 0x400..0x45F


    private fun extAindexX(c: Char) = (c.toInt() - 0x100) % 16
@@ -217,7 +219,9 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false, val flipY: Bo
            SHEET_HAYEREN_VARW,
            SHEET_KARTULI_VARW,
            SHEET_IPA_VARW,
-            SHEET_LATIN_EXT_ADD
+            SHEET_LATIN_EXT_ADD_VARW,
+            SHEET_BULGARIAN_VARW,
+            SHEET_SERBIAN_VARW
    )

    private val fontParentDir = if (fontDir.endsWith('/') || fontDir.endsWith('\\')) fontDir else "$fontDir/"
@@ -239,10 +243,10 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false, val flipY: Bo
            "ipa_ext_variable.tga",
            "futhark.tga",
            "latinExt_additional_variable.tga",
-            "puae000-e0ff.tga"
+            "puae000-e0ff.tga",
+            "cyrilic_bulgarian_variable.tga",
+            "cyrilic_serbian_variable.tga"
    )
-    private val cyrilic_bg = "cyrilic_bulgarian_variable.tga"
-    private val cyrilic_sr = "cyrilic_serbian_variable.tga"
    private val codeRange = arrayOf( // MUST BE MATCHING WITH SHEET INDICES!!
            0..0xFF,
            0xAC00..0xD7A3,
@@ -261,11 +265,14 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false, val flipY: Bo
            0x250..0x2AF,
            0x16A0..0x16FF,
            0x1E00..0x1EFF,
-            0xE000..0xE0FF
+            0xE000..0xE0FF,
+            0xF00000..0xF0005F, // assign them to PUA
+            0xF00060..0xF000BF  // assign them to PUA
    )
    private val glyphWidths: HashMap<Int, Int> = HashMap() // if the value is negative, it's diacritics
    private val sheets: Array<TextureRegionPack>

+    private var charsetOverride = 0

    init {
        val sheetsPack = ArrayList<TextureRegionPack>()
@@ -351,34 +358,6 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false, val flipY: Bo
        sheets = sheetsPack.toTypedArray()
    }

-    private var localeBuffer = ""
-
-    fun reload(locale: String) {
-        if (!localeBuffer.startsWith("ru") && locale.startsWith("ru")) {
-            val pixmap = Pixmap(Gdx.files.internal(fontParentDir + fileList[SHEET_CYRILIC_VARW]))
-            val texture = Texture(pixmap)
-            sheets[SHEET_CYRILIC_VARW].dispose()
-            sheets[SHEET_CYRILIC_VARW] = TextureRegionPack(texture, W_VAR_INIT, H, HGAP_VAR, 0)
-            pixmap.dispose()
-        }
-        else if (!localeBuffer.startsWith("bg") && locale.startsWith("bg")) {
-            val pixmap = Pixmap(Gdx.files.internal(fontParentDir + cyrilic_bg))
-            val texture = Texture(pixmap)
-            sheets[SHEET_CYRILIC_VARW].dispose()
-            sheets[SHEET_CYRILIC_VARW] = TextureRegionPack(texture, W_VAR_INIT, H, HGAP_VAR, 0)
-            pixmap.dispose()
-        }
-        else if (!localeBuffer.startsWith("sr") && locale.startsWith("sr")) {
-            val pixmap = Pixmap(Gdx.files.internal(fontParentDir + cyrilic_sr))
-            val texture = Texture(pixmap)
-            sheets[SHEET_CYRILIC_VARW].dispose()
-            sheets[SHEET_CYRILIC_VARW] = TextureRegionPack(texture, W_VAR_INIT, H, HGAP_VAR, 0)
-            pixmap.dispose()
-        }
-
-        localeBuffer = locale
-    }
-
    override fun getLineHeight(): Float = H.toFloat()

    override fun getXHeight() = lineHeight
@@ -452,7 +431,7 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false, val flipY: Bo

            //println("[TerrarumSansBitmap] sprite:  $sheetID:${sheetX}x${sheetY}")

-            if (isColourCodeHigh(c)) {
+            if (isColourCodeLow(c)) {
                val cchigh = c
                val cclow = textBuffer[index + 1]

@@ -467,8 +446,16 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false, val flipY: Bo

                index += 1
            }
-            else if (isColourCodeLow(c)) {
-                throw Error("Unexpected encounter of ColourCodeLow at index $index of String '$textBuffer'")
+            else if (isCharsetOverrideLow(c)) {
+                val cchigh = c
+                val cclow = textBuffer[index + 1]
+
+                charsetOverride = Character.toCodePoint(cchigh, cclow) - CHARSET_OVERRIDE_NULL
+
+                index += 1
+            }
+            else if (isCharsetOverrideHigh(c) || isColourCodeHigh(c)) {
+                /* do nothing and advance */
            }
            else if (sheetID == SHEET_HANGUL) {
                val hangulSheet = sheets[SHEET_HANGUL]
@@ -596,7 +583,7 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false, val flipY: Bo

                len[i] = glyphWidths[chr.toInt()]!!
            }
-            else if (isColourCodeHigh(chr) || isColourCodeLow(chr))
+            else if (isColourCodeHigh(chr) || isColourCodeLow(chr) || isCharsetOverrideHigh(chr) || isCharsetOverrideLow(chr))
                len[i] = 0
            else if (ctype == SHEET_CJK_PUNCT)
                len[i] = W_ASIAN_PUNCT
@@ -619,7 +606,11 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false, val flipY: Bo
    }

    private fun getSheetType(c: Char): Int {
-        if (isHangul(c))
+        if (charsetOverride == 1 && isBulgarian(c))
+            return SHEET_BULGARIAN_VARW
+        else if (charsetOverride == 2 && isBulgarian(c))
+            return SHEET_SERBIAN_VARW
+        else if (isHangul(c))
            return SHEET_HANGUL
        else if (isKana(c))
            return SHEET_KANA
@@ -654,7 +645,7 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false, val flipY: Bo
        else if (isRunic(c))
            return SHEET_RUNIC
        else if (isLatinExtAdd(c))
-            return SHEET_LATIN_EXT_ADD
+            return SHEET_LATIN_EXT_ADD_VARW
        else
            return SHEET_UNKNOWN
        // fixed width
@@ -724,10 +715,14 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false, val flipY: Bo
                sheetX = runicIndexX(ch)
                sheetY = runicIndexY(ch)
            }
-            SHEET_LATIN_EXT_ADD -> {
+            SHEET_LATIN_EXT_ADD_VARW -> {
                sheetX = latinExtAddX(ch)
                sheetY = latinExtAddY(ch)
            }
+            SHEET_BULGARIAN_VARW, SHEET_SERBIAN_VARW -> { // expects Unicode charpoint, NOT an internal one
+                sheetX = cyrilicIndexX(ch)
+                sheetY = cyrilicIndexY(ch)
+            }
            else -> {
                sheetX = ch.toInt() % 16
                sheetY = ch.toInt() / 16
@@ -786,6 +781,10 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false, val flipY: Bo
    fun toColorCode(r: Int, g: Int, b: Int, a: Int = 0x0F): String = toColorCode(r.shl(12) or g.shl(8) or b.shl(4) or a)
    val noColorCode = toColorCode(0x0000)

+    val charsetOverrideNormal = Character.toChars(CHARSET_OVERRIDE_NULL)
+    val charsetOverrideBulgarian = Character.toChars(CHARSET_OVERRIDE_BG_BG)
+    val charsetOverrideSerbian = Character.toChars(CHARSET_OVERRIDE_SR_SR)
+
    companion object {
        internal val JUNG_COUNT = 21
        internal val JONG_COUNT = 28
@@ -804,31 +803,37 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false, val flipY: Bo

        internal val SIZE_CUSTOM_SYM = 18

-        internal val SHEET_ASCII_VARW =     0
-        internal val SHEET_HANGUL =         1
-        internal val SHEET_EXTA_VARW =      2
-        internal val SHEET_EXTB_VARW =      3
-        internal val SHEET_KANA =           4
-        internal val SHEET_CJK_PUNCT =      5
-        internal val SHEET_UNIHAN =         6
-        internal val SHEET_CYRILIC_VARW =   7
-        internal val SHEET_FW_UNI =         8
-        internal val SHEET_UNI_PUNCT =      9
-        internal val SHEET_GREEK_VARW =     10
-        internal val SHEET_THAI_VARW =      11
-        internal val SHEET_HAYEREN_VARW =   12
-        internal val SHEET_KARTULI_VARW =   13
-        internal val SHEET_IPA_VARW =       14
-        internal val SHEET_RUNIC =          15
-        internal val SHEET_LATIN_EXT_ADD =  16
-        internal val SHEET_CUSTOM_SYM =     17
+        internal val SHEET_ASCII_VARW =        0
+        internal val SHEET_HANGUL =            1
+        internal val SHEET_EXTA_VARW =         2
+        internal val SHEET_EXTB_VARW =         3
+        internal val SHEET_KANA =              4
+        internal val SHEET_CJK_PUNCT =         5
+        internal val SHEET_UNIHAN =            6
+        internal val SHEET_CYRILIC_VARW =      7
+        internal val SHEET_FW_UNI =            8
+        internal val SHEET_UNI_PUNCT =         9
+        internal val SHEET_GREEK_VARW =        10
+        internal val SHEET_THAI_VARW =         11
+        internal val SHEET_HAYEREN_VARW =      12
+        internal val SHEET_KARTULI_VARW =      13
+        internal val SHEET_IPA_VARW =          14
+        internal val SHEET_RUNIC =             15
+        internal val SHEET_LATIN_EXT_ADD_VARW= 16
+        internal val SHEET_CUSTOM_SYM =        17
+        internal val SHEET_BULGARIAN_VARW =    18
+        internal val SHEET_SERBIAN_VARW =      19

        internal val SHEET_UNKNOWN = 254

+        internal val CHARSET_OVERRIDE_NULL = 0xFFFF8
+        internal val CHARSET_OVERRIDE_BG_BG = 0xFFFF9
+        internal val CHARSET_OVERRIDE_SR_SR = 0xFFFFA

-        fun charsetOverrideNormal() = Character.toChars( 0xFFFF8)
-        fun charsetOverrideBulgarian() = Character.toChars( 0xFFFF9)
-        fun charsetOverrideSerbian() = Character.toChars( 0xFFFFA)
+
+        val charsetOverrideNormal = Character.toChars(CHARSET_OVERRIDE_NULL)
+        val charsetOverrideBulgarian = Character.toChars(CHARSET_OVERRIDE_BG_BG)
+        val charsetOverrideSerbian = Character.toChars(CHARSET_OVERRIDE_SR_SR)
        fun toColorCode(rgba4444: Int): String = Character.toChars(0x100000 + rgba4444).toColCode()
        fun toColorCode(r: Int, g: Int, b: Int, a: Int = 0x0F): String = toColorCode(r.shl(12) or g.shl(8) or b.shl(4) or a)
        private fun CharArray.toColCode(): String = "${this[0]}${this[1]}"
--- a/src/net/torvald/terrarumsansbitmap/slick2d/GameFontBase.kt
+++ b/src/net/torvald/terrarumsansbitmap/slick2d/GameFontBase.kt
@@ -55,7 +55,7 @@ import net.torvald.terrarumsansbitmap.gdx.GameFontBase.Companion.SHEET_IPA_VARW
 import net.torvald.terrarumsansbitmap.gdx.GameFontBase.Companion.SHEET_CUSTOM_SYM
 import net.torvald.terrarumsansbitmap.gdx.GameFontBase.Companion.SHEET_UNKNOWN
 import net.torvald.terrarumsansbitmap.gdx.GameFontBase.Companion.SHEET_RUNIC
-import net.torvald.terrarumsansbitmap.gdx.GameFontBase.Companion.SHEET_LATIN_EXT_ADD
+import net.torvald.terrarumsansbitmap.gdx.GameFontBase.Companion.SHEET_LATIN_EXT_ADD_VARW
 import org.newdawn.slick.Color
 import org.newdawn.slick.Font
 import org.newdawn.slick.Image
@@ -244,7 +244,7 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false) : Font {
            SHEET_HAYEREN_VARW,
            SHEET_KARTULI_VARW,
            SHEET_IPA_VARW,
-            SHEET_LATIN_EXT_ADD
+            SHEET_LATIN_EXT_ADD_VARW
    )

    private val fontParentDir = if (fontDir.endsWith('/') || fontDir.endsWith('\\')) fontDir else "$fontDir/"
@@ -648,7 +648,7 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false) : Font {
        else if (isRunic(c))
            return SHEET_RUNIC
        else if (isLatinExtAdd(c))
-            return SHEET_LATIN_EXT_ADD
+            return SHEET_LATIN_EXT_ADD_VARW
        else
            return SHEET_UNKNOWN
        // fixed width
@@ -718,7 +718,7 @@ class GameFontBase(fontDir: String, val noShadow: Boolean = false) : Font {
                sheetX = runicIndexX(ch)
                sheetY = runicIndexY(ch)
            }
-            SHEET_LATIN_EXT_ADD -> {
+            SHEET_LATIN_EXT_ADD_VARW -> {
                sheetX = latinExtAddX(ch)
                sheetY = latinExtAddY(ch)
            }