From bbba67487d576368066871c9b39f58d4aef29802 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Mro=CC=81wka?= <michal.z.mrowka@gmail.com>
Date: Mon, 16 Nov 2020 21:39:48 +0100
Subject: [PATCH] Added support for charset

---
 d2app/app.go                          |  4 ++++
 d2common/d2loader/loader.go           | 14 +++++++++++---
 d2common/d2resource/languages_map.go  | 25 +++++++++++++++++++++++++
 d2common/d2resource/resource_paths.go |  2 +-
 4 files changed, 41 insertions(+), 4 deletions(-)

diff --git a/d2app/app.go b/d2app/app.go
index 3548d506..e1c16d94 100644
--- a/d2app/app.go
+++ b/d2app/app.go
@@ -67,6 +67,7 @@ type App struct {
 	gitBranch         string
 	gitCommit         string
 	language          string
+	charset           string
 	asset             *d2asset.AssetManager
 	inputManager      d2interface.InputManager
 	terminal          d2interface.Terminal
@@ -460,6 +461,9 @@ func (a *App) initConfig(config *d2config.Configuration) error {
 func (a *App) initLanguage() {
 	a.language = a.asset.LoadLanguage(d2resource.LocalLanguage)
 	a.asset.Loader.SetLanguage(&a.language)
+
+	a.charset = d2resource.GetFontCharset(a.language)
+	a.asset.Loader.SetCharset(&a.charset)
 }
 
 func (a *App) initDataDictionaries() error {
diff --git a/d2common/d2loader/loader.go b/d2common/d2loader/loader.go
index c9a7ba3d..f3f6ae66 100644
--- a/d2common/d2loader/loader.go
+++ b/d2common/d2loader/loader.go
@@ -48,6 +48,7 @@ func NewLoader(l d2util.LogLevel) (*Loader, error) {
 // that have been added
 type Loader struct {
 	language *string
+	charset  *string
 	d2interface.Cache
 	*d2util.Logger
 	Sources []asset.Source
@@ -58,15 +59,22 @@ func (l *Loader) SetLanguage(language *string) {
 	l.language = language
 }
 
+// SetCharset sets the charset for loader
+func (l *Loader) SetCharset(charset *string) {
+	l.charset = charset
+}
+
 // Load attempts to load an asset with the given sub-path. The sub-path is relative to the root
 // of each asset source root (regardless of the type of asset source)
 func (l *Loader) Load(subPath string) (asset.Asset, error) {
 	subPath = filepath.Clean(subPath)
 
 	if l.language != nil {
-		lang := l.language
-		subPath = strings.ReplaceAll(subPath, fontToken, "latin")
-		subPath = strings.ReplaceAll(subPath, tableToken, *lang)
+		charset := l.charset
+		language := l.language
+
+		subPath = strings.ReplaceAll(subPath, fontToken, *charset)
+		subPath = strings.ReplaceAll(subPath, tableToken, *language)
 	}
 
 	// first, we check the cache for an existing entry
diff --git a/d2common/d2resource/languages_map.go b/d2common/d2resource/languages_map.go
index d5aadb0c..af6a012f 100644
--- a/d2common/d2resource/languages_map.go
+++ b/d2common/d2resource/languages_map.go
@@ -24,3 +24,28 @@ func GetLanguageLiteral(code byte) string {
 
 	return languages[code]
 }
+
+// Source https://github.com/eezstreet/OpenD2/blob/065f6e466048482b28b9dbc6286908dc1e0d10f6/Shared/D2Shared.hpp#L36
+func getCharsets() map[string]string {
+	return map[string]string{
+		"ENG": "LATIN",   // (English)
+		"ESP": "LATIN",   // (Spanish)
+		"DEU": "LATIN",   // (German)
+		"FRA": "LATIN",   // (French)
+		"POR": "LATIN",   // (Portuguese)
+		"ITA": "LATIN",   // (Italian)
+		"JPN": "JAPAN",   // (Japanese)
+		"KOR": "KOREAN",  // (Korean)
+		"SIN": "LATIN",   //
+		"CHI": "CHINESE", // (Chinese)
+		"POL": "LATIN2",  // (Polish)
+		"RUS": "RUSSIAN", // (Russian)
+	}
+}
+
+// GetFontCharset returns string representation of font charset
+func GetFontCharset(language string) string {
+	charset := getCharsets()
+
+	return charset[language]
+}
diff --git a/d2common/d2resource/resource_paths.go b/d2common/d2resource/resource_paths.go
index 01edb034..d052a3e0 100644
--- a/d2common/d2resource/resource_paths.go
+++ b/d2common/d2resource/resource_paths.go
@@ -35,7 +35,7 @@ const (
 	// --- Credits ---
 
 	CreditsBackground = "/data/global/ui/CharSelect/creditsbckgexpand.dc6"
-	CreditsText       = "/data/local/ui/{LANG}/ExpansionCredits.txt"
+	CreditsText       = "/data/local/ui/" + LanguageTableToken + "/ExpansionCredits.txt"
 
 	// --- Cinematics ---