Correctly detect player level on difficulty selection screen (#626)

SourceX/DiabloUI/diabloui.cpp

@@ -36,7 +36,7 @@ Art ArtBackground;
 Art ArtCursor;
 Art ArtHero;
 bool gbSpawned;
-int heroLevel;
+_uiheroinfo *heroInfo;
 
 void (*gfnSoundFunction)(char *file);
 void (*gfnListFocus)(int value);

SourceX/DiabloUI/diabloui.h

@@ -28,7 +28,7 @@ extern Art ArtBackground;
 extern Art ArtCursor;
 extern Art ArtHero;
 extern bool gbSpawned;
-extern int heroLevel;
+extern _uiheroinfo *heroInfo;
 
 constexpr auto MAINMENU_BACKGROUND = UiImage(&ArtBackground, { 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT });
 constexpr auto MAINMENU_LOGO = UiImage(&ArtLogos[LOGO_MED], /*animated=*/true, /*frame=*/0, { 0, 0, 0, 0 }, UIS_CENTER);

SourceX/DiabloUI/selgame.cpp

@@ -171,7 +171,7 @@ void selgame_Diff_Focus(int value)
 
 bool IsDifficultyAllowed(int value)
 {
-	if (value == 0 || (value == 1 && heroLevel >= 20) || (value == 2 && heroLevel >= 30)) {
+	if (value == 0 || (value == 1 && heroInfo->level >= 20) || (value == 2 && heroInfo->level >= 30)) {
 		return true;
 	}
 

SourceX/DiabloUI/selhero.cpp

@@ -386,7 +386,7 @@ BOOL UiSelHeroDialog(
 
 	*dlgresult = selhero_result;
 	strcpy(name, selhero_heroInfo.name);
-	heroLevel = selhero_heroInfo.level;
+	heroInfo = &selhero_heroInfo;
 
 	UnloadScrollBar();
 	return true;