From 1613542c5d5f28a64538b349e46123348bddd94e Mon Sep 17 00:00:00 2001
From: Levin Li <lilinfeng303@outlook.com>
Date: Mon, 18 Oct 2021 22:59:35 +0800
Subject: [PATCH] Fix duplicate in Body as well

---
 src/celengine/body.cpp        | 17 ++++++++---------
 src/celengine/body.h          |  3 ++-
 src/celestia/celestiacore.cpp | 17 +++++++----------
 3 files changed, 17 insertions(+), 20 deletions(-)

diff --git a/src/celengine/body.cpp b/src/celengine/body.cpp
index af42d38b9..255771bc5 100644
--- a/src/celengine/body.cpp
+++ b/src/celengine/body.cpp
@@ -113,10 +113,9 @@ const vector<string>& Body::getNames() const
  */
 string Body::getName(bool i18n) const
 {
-    if (!i18n)
-        return names[0];
-    else
-        return names[localizedNameIndex];
+    if (i18n && hasLocalizedName())
+        return localizedName;
+    return names[0];
 }
 
 
@@ -125,13 +124,13 @@ string Body::getName(bool i18n) const
  */
 string Body::getLocalizedName() const
 {
-    return names[localizedNameIndex];
+    return hasLocalizedName() ? localizedName : names[0];
 }
 
 
 bool Body::hasLocalizedName() const
 {
-    return localizedNameIndex != 0;
+    return primaryNameLocalized;
 }
 
 
@@ -148,12 +147,12 @@ void Body::setName(const string& name)
     {
         // No localized name; set the localized name index to zero to
         // indicate this.
-        localizedNameIndex = 0;
+        primaryNameLocalized = false;
     }
     else
     {
-        names.push_back(localizedName);
-        localizedNameIndex = names.size() - 1;
+        this->localizedName = localizedName;
+        primaryNameLocalized = true;
     }
 }
 
diff --git a/src/celengine/body.h b/src/celengine/body.h
index 8021bf902..37333f252 100644
--- a/src/celengine/body.h
+++ b/src/celengine/body.h
@@ -377,7 +377,7 @@ class Body : public AstroObject
 
  private:
     std::vector<std::string> names{ 1 };
-    unsigned int localizedNameIndex{ 0 };
+    std::string localizedName;
 
     // Parent in the name hierarchy
     PlanetarySystem* system;
@@ -430,6 +430,7 @@ class Body : public AstroObject
     bool overrideOrbitColor{ false };
     VisibilityPolicy orbitVisibility : 3;
     bool secondaryIlluminator{ true };
+    bool primaryNameLocalized { false };
 };
 
 #endif // _CELENGINE_BODY_H_
diff --git a/src/celestia/celestiacore.cpp b/src/celestia/celestiacore.cpp
index 7b32f51a9..f0649bbf4 100644
--- a/src/celestia/celestiacore.cpp
+++ b/src/celestia/celestiacore.cpp
@@ -3364,19 +3364,16 @@ void CelestiaCore::renderOverlay()
                 if (sel != lastSelection)
                 {
                     lastSelection = sel;
-                    selectionNames = "";
-                    const vector<string>& names = sel.body()->getNames();
+                    auto body = sel.body();
+                    selectionNames = body->getLocalizedName(); // Primary name, might be localized
+                    const vector<string>& names = body->getNames();
 
-                    // Skip displaying the primary name if there's a localized version
-                    // of the name.
-                    auto firstName = names.begin();
-                    if (sel.body()->hasLocalizedName())
-                        ++firstName;
+                    // Start from the second one because primary name is already in the string
+                    auto secondName = names.begin() + 1;
 
-                    for (auto iter = firstName; iter != names.end(); ++iter)
+                    for (auto iter = secondName; iter != names.end(); ++iter)
                     {
-                        if (iter != firstName)
-                            selectionNames += " / ";
+                        selectionNames += " / ";
 
                         // Use localized version of parent name in alternative names.
                         string alias = *iter;