Use locale info to create default config

Issue #736, get measurement system, temperature system, language and
currency from locale and use it as default.

src/config.c

@@ -200,7 +200,24 @@ void config_set_defaults()
 			config_property_definition *property = &section->property_definitions[j];
 
 			value_union *destValue = (value_union*)((size_t)section->base_address + (size_t)property->offset);
-			memcpy(destValue, &property->default_value, _configValueTypeSize[property->type]);
+
+			if (strcmp(property->property_name, "language") == 0){
+				destValue->value_uint16 = platform_get_locale_language();
+				if (destValue->value_uint16 == LANGUAGE_UNDEFINED)
+					memcpy(destValue, &property->default_value, _configValueTypeSize[property->type]);
+			}
+			else if (strcmp(property->property_name, "currency_format") == 0){
+				destValue->value_uint8 = platform_get_locale_currency();
+			}
+			else if (strcmp(property->property_name, "measurement_format") == 0){
+				destValue->value_uint8 = platform_get_locale_measurement_format();
+			}
+			else if (strcmp(property->property_name, "temperature_format") == 0){
+				destValue->value_uint8 = platform_get_locale_temperature_format();
+			}
+			else {
+				memcpy(destValue, &property->default_value, _configValueTypeSize[property->type]);
+			}
 		}
 	}
 }

src/config.h

@@ -141,6 +141,8 @@ void config_set_defaults();
 bool config_open_default();
 bool config_save_default();
 
+uint16 getLanguage();
+
 void config_reset_shortcut_keys();
 bool config_find_or_browse_install_directory();
 

src/platform/platform.h

@@ -105,6 +105,10 @@ void platform_get_user_directory(char *outPath, const char *subDirectory);
 void platform_show_messagebox(char *message);
 int platform_open_common_file_dialog(int type, char *title, char *filename, char *filterPattern, char *filterName);
 char *platform_open_directory_browser(char *title);
+uint8 platform_get_locale_currency();
+uint16 platform_get_locale_language();
+uint8 platform_get_locale_measurement_format();
+uint8 platform_get_locale_temperature_format();
 
 // Windows specific definitions
 #ifdef _WIN32

src/platform/windows.c

@@ -26,6 +26,9 @@
 #include "../addresses.h"
 #include "../cmdline.h"
 #include "../openrct2.h"
+#include "../localisation/language.h"
+#include "../localisation/currency.h"
+#include "../config.h"
 #include "platform.h"
 
 // The name of the mutex used to prevent multiple instances of the game from running
@@ -591,4 +594,126 @@ PCHAR *CommandLineToArgvA(PCHAR CmdLine, int *_argc)
 	return argv;
 }
 
-#endif
+#endif
+
+uint16 platform_get_locale_language(){
+	WCHAR langCode[4];
+
+	if (GetLocaleInfoEx(LOCALE_NAME_USER_DEFAULT,
+		LOCALE_SABBREVLANGNAME,
+		langCode,
+		sizeof(langCode) / sizeof(WCHAR)) == 0){
+		return LANGUAGE_UNDEFINED;
+	}
+
+	if (wcscmp(langCode, L"ENG") == 0){
+		return LANGUAGE_ENGLISH_UK;
+	}
+	else if (wcscmp(langCode, L"ENU") == 0){
+		return LANGUAGE_ENGLISH_US;
+	}
+	else if (wcscmp(langCode, L"DEU") == 0){
+		return LANGUAGE_GERMAN;
+	}
+	else if (wcscmp(langCode, L"NLD") == 0){
+		return LANGUAGE_DUTCH;
+	}
+	else if (wcscmp(langCode, L"FRA") == 0){
+		return LANGUAGE_FRENCH;
+	}
+	else if (wcscmp(langCode, L"HUN") == 0){
+		return LANGUAGE_HUNGARIAN;
+	}
+	else if (wcscmp(langCode, L"PLK") == 0){
+		return LANGUAGE_POLISH;
+	}
+	else if (wcscmp(langCode, L"ESP") == 0){
+		return LANGUAGE_SPANISH;
+	}
+	else if (wcscmp(langCode, L"SVE") == 0){
+		return LANGUAGE_SWEDISH;
+	}
+	return LANGUAGE_UNDEFINED;
+}
+
+uint8 platform_get_locale_currency(){
+	WCHAR currCode[4];
+
+	if (GetLocaleInfoEx(LOCALE_NAME_USER_DEFAULT,
+		LOCALE_SINTLSYMBOL,
+		currCode,
+		sizeof(currCode) / sizeof(WCHAR)) == 0){
+		return CURRENCY_POUNDS;
+	}
+	if (wcscmp(currCode, L"GBP") == 0){
+		return CURRENCY_POUNDS;
+	}
+	else if (wcscmp(currCode, L"USD") == 0){
+		return CURRENCY_DOLLARS;
+	}
+	else if (wcscmp(currCode, L"EUR") == 0){
+		return CURRENCY_EUROS;
+	}
+	else if (wcscmp(currCode, L"SEK") == 0){
+		return CURRENCY_KRONA;
+	}
+	else if (wcscmp(currCode, L"SEK") == 0){
+		return CURRENCY_KRONA;
+	}
+	else if (wcscmp(currCode, L"ITL") == 0){
+		return CURRENCY_LIRA;
+	}
+	else if (wcscmp(currCode, L"JPY") == 0){
+		return CURRENCY_YEN;
+	}
+	else if (wcscmp(currCode, L"ESP") == 0){
+		return CURRENCY_PESETA;
+	}
+	else if (wcscmp(currCode, L"FRF") == 0){
+		return CURRENCY_FRANC;
+	}
+	else if (wcscmp(currCode, L"NLG") == 0){
+		return CURRENCY_GUILDERS;
+	}
+	return CURRENCY_POUNDS;
+}
+
+uint8 platform_get_locale_measurement_format(){
+	UINT measurement_system;
+	if (GetLocaleInfoEx(LOCALE_NAME_USER_DEFAULT,
+		LOCALE_IMEASURE | LOCALE_RETURN_NUMBER,
+		(LPWSTR)&measurement_system,
+		sizeof(measurement_system)) == 0){
+		return MEASUREMENT_FORMAT_IMPERIAL;
+	}
+	switch (measurement_system){
+	case 0:
+		return MEASUREMENT_FORMAT_METRIC;
+	case 1:
+		return MEASUREMENT_FORMAT_IMPERIAL;
+	default:
+		return MEASUREMENT_FORMAT_IMPERIAL;
+	}
+}
+
+uint8 platform_get_locale_temperature_format(){
+	// There does not seem to be a function to obtain this, just check the countries
+	// According
+	UINT country;
+	if (GetLocaleInfoEx(LOCALE_NAME_USER_DEFAULT,
+		LOCALE_IMEASURE | LOCALE_RETURN_NUMBER,
+		(LPWSTR)&country,
+		sizeof(country)) == 0){
+		return TEMPERATURE_FORMAT_C;
+	}
+	switch (country){
+	case CTRY_UNITED_STATES:
+		//USA
+		return TEMPERATURE_FORMAT_F;
+	case CTRY_BELIZE:
+		// Belize
+		return TEMPERATURE_FORMAT_F;
+	default:
+		return TEMPERATURE_FORMAT_C;
+	}
+}

src/title.c

@@ -265,7 +265,6 @@ static void DrawOpenRCT2(int x, int y)
 void game_handle_input();
 void title_update()
 {
-	int tmp;
 
 	screenshot_check();
 	title_handle_keyboard_input();