diff --git a/src/coders/commons.cpp b/src/coders/commons.cpp
index ad4a8677..35e78221 100644
--- a/src/coders/commons.cpp
+++ b/src/coders/commons.cpp
@@ -231,20 +231,20 @@ bool BasicParser::parseNumber(int sign, number_u& out) {
     if (c == '0' && pos + 1 < source.length() && 
           (base = is_box(source[pos+1])) != 10) {
         pos += 2;
-        out.ival = parseSimpleInt(base);
+        out = parseSimpleInt(base);
         return true;
     } else if (c == 'i' && pos + 2 < source.length() && source[pos+1] == 'n' && source[pos+2] == 'f') {
         pos += 3;
-        out.fval = INFINITY * sign;
+        out = INFINITY * sign;
         return false;
     } else if (c == 'n' && pos + 2 < source.length() && source[pos+1] == 'a' && source[pos+2] == 'n') {
         pos += 3;
-        out.fval = NAN * sign;
+        out = NAN * sign;
         return false;
     }
     int64_t value = parseSimpleInt(base);
     if (!hasNext()) {
-        out.ival = value * sign;
+        out = value * sign;
         return true;
     }
     c = source[pos];
@@ -257,7 +257,7 @@ bool BasicParser::parseNumber(int sign, number_u& out) {
         } else if (peek() == '+'){
             pos++;
         }
-        out.fval = sign * value * power(10.0, s * parseSimpleInt(10));
+        out = sign * value * power(10.0, s * parseSimpleInt(10));
         return false;
     }
     if (c == '.') {
@@ -284,13 +284,13 @@ bool BasicParser::parseNumber(int sign, number_u& out) {
             } else if (peek() == '+'){
                 pos++;
             }
-            out.fval = sign * dvalue * power(10.0, s * parseSimpleInt(10));
+            out = sign * dvalue * power(10.0, s * parseSimpleInt(10));
             return false;
         }
-        out.fval = sign * dvalue;
+        out = sign * dvalue;
         return false;
     }
-    out.ival = sign * value;
+    out = sign * value;
     return true;
 }
 
diff --git a/src/coders/commons.h b/src/coders/commons.h
index 509ff0d6..ee844d06 100644
--- a/src/coders/commons.h
+++ b/src/coders/commons.h
@@ -5,11 +5,6 @@
 #include <stdexcept>
 #include "../typedefs.h"
 
-union number_u {
-    double fval;
-    int64_t ival;
-};
-
 inline int is_box(int c) {
     switch (c) {
         case 'B':
@@ -105,4 +100,4 @@ protected:
     BasicParser(std::string filename, std::string source);
 };
 
-#endif // CODERS_COMMONS_H_
\ No newline at end of file
+#endif // CODERS_COMMONS_H_
diff --git a/src/coders/json.cpp b/src/coders/json.cpp
index 315e103e..74b6dc15 100644
--- a/src/coders/json.cpp
+++ b/src/coders/json.cpp
@@ -190,10 +190,10 @@ Value* Parser::parseValue() {
         number_u num;
         valtype type;
         if (parseNumber(next == '-' ? -1 : 1, num)) {
-            val = num.ival;
+            val = std::get<integer_t>(num);
             type = valtype::integer;
         } else {
-            val = num.fval;
+            val = std::get<number_t>(num);
             type = valtype::number;
         }
         return new Value(type, val);
@@ -227,10 +227,10 @@ Value* Parser::parseValue() {
         number_u num;
         valtype type;
         if (parseNumber(1, num)) {
-            val = num.ival;
+            val = std::get<integer_t>(num);
             type = valtype::integer;
         } else {
-            val = num.fval;
+            val = std::get<number_t>(num);
             type = valtype::number;
         }
         return new Value(type, val);  
diff --git a/src/coders/toml.cpp b/src/coders/toml.cpp
index eb294f74..bca14d38 100644
--- a/src/coders/toml.cpp
+++ b/src/coders/toml.cpp
@@ -206,10 +206,10 @@ void Reader::readSection(Section* section /*nullable*/) {
             number_u num;
             if (parseNumber(1, num)) {
                 if (section)
-                    section->set(name, (double)num.ival);
+                    section->set(name, (double)std::get<integer_t>(num));
             } else {
                 if (section)
-                    section->set(name, num.fval);
+                    section->set(name, std::get<number_t>(num));
             }
         } else if (c == '-' || c == '+') {
             int sign = c == '-' ? -1 : 1;
@@ -217,10 +217,10 @@ void Reader::readSection(Section* section /*nullable*/) {
             number_u num;
             if (parseNumber(sign, num)) {
                 if (section)
-                    section->set(name, (double)num.ival);
+                    section->set(name, (double)std::get<integer_t>(num));
             } else {
                 if (section)
-                    section->set(name, num.fval);
+                    section->set(name, std::get<number_t>(num));
             }
         } else if (is_identifier_start(c)) {
             string identifier = parseName();
diff --git a/src/data/dynamic.cpp b/src/data/dynamic.cpp
index a6329da0..2702ada0 100644
--- a/src/data/dynamic.cpp
+++ b/src/data/dynamic.cpp
@@ -352,3 +352,11 @@ Value::~Value() {
             break;
     }
 }
+
+Value Value::of(number_u value) {
+    if (std::holds_alternative<integer_t>(value)) {
+        return Value(valtype::integer, std::get<integer_t>(value));
+    } else {
+        return Value(valtype::number, std::get<number_t>(value));
+    }
+}
diff --git a/src/data/dynamic.h b/src/data/dynamic.h
index 513d812f..5031174c 100644
--- a/src/data/dynamic.h
+++ b/src/data/dynamic.h
@@ -13,9 +13,6 @@ namespace dynamic {
     class List;
     class Value;
 
-    using number_t = double;
-    using integer_t = int64_t;
-
     enum class valtype {
         none, map, list, number, integer, string, boolean
     };
@@ -35,6 +32,8 @@ namespace dynamic {
         valvalue value;
         Value(valtype type, valvalue value);
         ~Value();
+
+        static Value of(number_u value);
     };
 
     class List {
diff --git a/src/files/settings_io.cpp b/src/files/settings_io.cpp
index 79d5472c..7ed660ce 100644
--- a/src/files/settings_io.cpp
+++ b/src/files/settings_io.cpp
@@ -19,26 +19,8 @@ SettingsHandler::SettingsHandler(EngineSettings& settings) {
     map.emplace("camera.sensitivity", &settings.camera.sensitivity);
 }
 
-dynamic::Value SettingsHandler::getValue(std::string name) const {
-    using dynamic::valtype;
-
-    auto found = map.find(name);
-    if (found == map.end()) {
-        return dynamic::Value(valtype::none, 0);
-    }
-    auto setting = found->second;
-    if (auto number = dynamic_cast<NumberSetting<float>*>(setting)) {
-        return dynamic::Value(valtype::number, number->get());
-    } else if (auto number = dynamic_cast<NumberSetting<double>*>(setting)) {
-        return dynamic::Value(valtype::number, number->get());
-    }
-
-    return dynamic::Value(valtype::none, 0);
-}
-
-
 toml::Wrapper* create_wrapper(EngineSettings& settings) {
-    std::unique_ptr<toml::Wrapper> wrapper (new toml::Wrapper());
+    auto wrapper = std::make_unique<toml::Wrapper>();
 
     toml::Section& audio = wrapper->add("audio");
     audio.add("enabled", &settings.audio.enabled);
diff --git a/src/files/settings_io.h b/src/files/settings_io.h
index 5fd2d648..b46f6396 100644
--- a/src/files/settings_io.h
+++ b/src/files/settings_io.h
@@ -15,7 +15,8 @@ class SettingsHandler {
 public:
     SettingsHandler(EngineSettings& settings);
 
-    dynamic::Value getValue(std::string name) const;
+    dynamic::Value getValue(const std::string& name) const;
+    void setValue(const std::string& name, dynamic::Value value);
 };
 
 extern std::string write_controls();
diff --git a/src/typedefs.h b/src/typedefs.h
index d04d4504..2e015666 100644
--- a/src/typedefs.h
+++ b/src/typedefs.h
@@ -3,10 +3,19 @@
 
 #include <stdlib.h>
 #include <stdint.h>
+#include <variant>
+
+
+/// @brief dynamic integer type (64 bit signed integer)
+using integer_t = int64_t;
+/// @brief dynamic floating-point type (64 bit floating point)
+using number_t = double;
+/// @brief dynamic numeric types union (integer and floating-point)
+using number_u = std::variant<integer_t, number_t>;
 
 using uint = unsigned int;
 
-// use for bytes arrays
+/// @brief use for bytes arrays
 using ubyte = uint8_t;
 
 // content indices