fix log for Android that does not support <codecvt>

engine/app.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "log.h"
 #include "shader.h"
 #include "shape.h"
 #include "texture.h"

engine/log.cpp

@@ -73,13 +73,19 @@ void LogRemote::log(const wchar_t* format, ...)
     std::wstring string_to_convert(buffer, n);
 
     //setup converter
-    using convert_type = std::codecvt_utf8<wchar_t>;
+//     using convert_type = std::codecvt_utf8<wchar_t>;
-    std::wstring_convert<convert_type, wchar_t> converter;
+//     std::wstring_convert<convert_type, wchar_t> converter;
+
+    mbstate_t st = {};
+    std::string converted;
+    converted.reserve(string_to_convert.size());
+    const wchar_t * wptr = string_to_convert.c_str();
+    std::wcsrtombs((char*)converted.data(), &wptr, converted.capacity(), &st);
 
     //use converter (.to_bytes: wstr->str, .from_bytes: str->wstr)
     //std::string converted_str = converter.to_bytes(string_to_convert);
 
-    m_mq.Post(converter.to_bytes(string_to_convert));
+    m_mq.Post(std::move(converted));
 }
 LogRemote::~LogRemote()
 {

engine/pch.h

@@ -47,8 +47,6 @@
 #include <mutex>
 #include <memory>
 #include <string>
-#include <locale>
-#include <codecvt>
 #include <vector>
 #include <random>
 #include <thread>