diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a0aa25a..a1c8e24 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -28,6 +28,83 @@ set_directory_properties(PROPERTIES CORRADE_USE_PEDANTIC_FLAGS ON)
 
 corrade_add_resource(Assets assets.conf)
 
+add_library(UESaveFile STATIC EXCLUDE_FROM_ALL
+        UESaveFile/Serialisers/AbstractUnrealCollectionPropertySerialiser.h
+        UESaveFile/Serialisers/AbstractUnrealPropertySerialiser.h
+        UESaveFile/Serialisers/AbstractUnrealStructSerialiser.h
+        UESaveFile/Serialisers/ArrayPropertySerialiser.h
+        UESaveFile/Serialisers/ArrayPropertySerialiser.cpp
+        UESaveFile/Serialisers/BoolPropertySerialiser.h
+        UESaveFile/Serialisers/BoolPropertySerialiser.cpp
+        UESaveFile/Serialisers/BytePropertySerialiser.h
+        UESaveFile/Serialisers/BytePropertySerialiser.cpp
+        UESaveFile/Serialisers/ColourPropertySerialiser.h
+        UESaveFile/Serialisers/ColourPropertySerialiser.cpp
+        UESaveFile/Serialisers/DateTimePropertySerialiser.h
+        UESaveFile/Serialisers/DateTimePropertySerialiser.cpp
+        UESaveFile/Serialisers/EnumPropertySerialiser.h
+        UESaveFile/Serialisers/EnumPropertySerialiser.cpp
+        UESaveFile/Serialisers/FloatPropertySerialiser.h
+        UESaveFile/Serialisers/FloatPropertySerialiser.cpp
+        UESaveFile/Serialisers/GuidPropertySerialiser.h
+        UESaveFile/Serialisers/GuidPropertySerialiser.cpp
+        UESaveFile/Serialisers/IntPropertySerialiser.h
+        UESaveFile/Serialisers/IntPropertySerialiser.cpp
+        UESaveFile/Serialisers/MapPropertySerialiser.h
+        UESaveFile/Serialisers/MapPropertySerialiser.cpp
+        UESaveFile/Serialisers/RotatorPropertySerialiser.h
+        UESaveFile/Serialisers/RotatorPropertySerialiser.cpp
+        UESaveFile/Serialisers/StringPropertySerialiser.h
+        UESaveFile/Serialisers/StringPropertySerialiser.cpp
+        UESaveFile/Serialisers/SetPropertySerialiser.h
+        UESaveFile/Serialisers/SetPropertySerialiser.cpp
+        UESaveFile/Serialisers/StructSerialiser.h
+        UESaveFile/Serialisers/StructSerialiser.cpp
+        UESaveFile/Serialisers/TextPropertySerialiser.h
+        UESaveFile/Serialisers/TextPropertySerialiser.cpp
+        UESaveFile/Serialisers/UnrealPropertySerialiser.h
+        UESaveFile/Serialisers/VectorPropertySerialiser.h
+        UESaveFile/Serialisers/VectorPropertySerialiser.cpp
+        UESaveFile/Serialisers/Vector2DPropertySerialiser.h
+        UESaveFile/Serialisers/Vector2DPropertySerialiser.cpp
+
+        UESaveFile/Types/ArrayProperty.h
+        UESaveFile/Types/BoolProperty.h
+        UESaveFile/Types/ByteProperty.h
+        UESaveFile/Types/ColourStructProperty.h
+        UESaveFile/Types/DateTimeStructProperty.h
+        UESaveFile/Types/EnumProperty.h
+        UESaveFile/Types/FloatProperty.h
+        UESaveFile/Types/GenericStructProperty.h
+        UESaveFile/Types/GuidStructProperty.h
+        UESaveFile/Types/IntProperty.h
+        UESaveFile/Types/MapProperty.h
+        UESaveFile/Types/NoneProperty.h
+        UESaveFile/Types/RotatorStructProperty.h
+        UESaveFile/Types/SetProperty.h
+        UESaveFile/Types/StringProperty.h
+        UESaveFile/Types/StructProperty.h
+        UESaveFile/Types/TextProperty.h
+        UESaveFile/Types/UnrealProperty.h
+        UESaveFile/Types/UnrealPropertyBase.h
+        UESaveFile/Types/VectorStructProperty.h
+
+        UESaveFile/Debug.h
+        UESaveFile/Debug.cpp
+        UESaveFile/UESaveFile.h
+        UESaveFile/UESaveFile.cpp
+        UESaveFile/BinaryReader.h
+        UESaveFile/BinaryReader.cpp
+        UESaveFile/BinaryWriter.h
+        UESaveFile/BinaryWriter.cpp
+        UESaveFile/PropertySerialiser.h
+        UESaveFile/PropertySerialiser.cpp)
+
+target_link_libraries(UESaveFile PRIVATE
+        Corrade::Containers
+        Corrade::Utility
+        Magnum::Magnum)
+
 add_executable(MassBuilderSaveTool WIN32
     main.cpp
     SaveTool/SaveTool.h
@@ -78,6 +155,7 @@ target_link_libraries(MassBuilderSaveTool PRIVATE
     Magnum::GL
     Magnum::Sdl2Application
     MagnumIntegration::ImGui
+    UESaveFile
     efsw
     zip
     cpr::cpr
diff --git a/src/UESaveFile/BinaryReader.cpp b/src/UESaveFile/BinaryReader.cpp
new file mode 100644
index 0000000..6a9b942
--- /dev/null
+++ b/src/UESaveFile/BinaryReader.cpp
@@ -0,0 +1,122 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <cstring>
+
+#include <string>
+
+#include "BinaryReader.h"
+
+BinaryReader::BinaryReader(const std::string& filename) {
+    _file = std::fopen(filename.c_str(), "rb");
+
+    if(!_file) {
+        Utility::Error{} << "Couldn't open" << filename.c_str() << "for reading:\n"
+                         << std::strerror(errno);
+    }
+}
+
+BinaryReader::~BinaryReader() {
+    closeFile();
+}
+
+auto BinaryReader::open() -> bool {
+    return _file;
+}
+
+auto BinaryReader::eof() -> bool {
+    return std::feof(_file) != 0;
+}
+
+auto BinaryReader::position() -> Long {
+    return _ftelli64(_file);
+}
+
+void BinaryReader::closeFile() {
+    std::fclose(_file);
+    _file = nullptr;
+}
+
+auto BinaryReader::readChar(char& value) -> bool {
+    return std::fread(&value, sizeof(char), 1, _file) == 1;
+}
+
+auto BinaryReader::readByte(Byte& value) -> bool {
+    return std::fread(&value, sizeof(Byte), 1, _file) == 1;
+}
+
+auto BinaryReader::readUnsignedByte(UnsignedByte& value) -> bool {
+    return std::fread(&value, sizeof(UnsignedByte), 1, _file) == 1;
+}
+
+auto BinaryReader::readShort(Short& value) -> bool {
+    return std::fread(&value, sizeof(Short), 1, _file) == 1;
+}
+
+auto BinaryReader::readUnsignedShort(UnsignedShort& value) -> bool {
+    return std::fread(&value, sizeof(UnsignedShort), 1, _file) == 1;
+}
+
+auto BinaryReader::readInt(Int& value) -> bool {
+    return std::fread(&value, sizeof(Int), 1, _file) == 1;
+}
+
+auto BinaryReader::readUnsignedInt(UnsignedInt& value) -> bool {
+    return std::fread(&value, sizeof(UnsignedInt), 1, _file) == 1;
+}
+
+auto BinaryReader::readLong(Long& value) -> bool {
+    return std::fread(&value, sizeof(Long), 1, _file) == 1;
+}
+
+auto BinaryReader::readUnsignedLong(UnsignedLong& value) -> bool {
+    return std::fread(&value, sizeof(UnsignedLong), 1, _file) == 1;
+}
+
+auto BinaryReader::readFloat(Float& value) -> bool {
+    return std::fread(&value, sizeof(Float), 1, _file) == 1;
+}
+
+auto BinaryReader::readDouble(Double& value) -> bool {
+    return std::fread(&value, sizeof(Double), 1, _file) == 1;
+}
+
+auto BinaryReader::readArray(Containers::Array<char>& array, std::size_t count) -> bool {
+    if(array.size() < count) {
+        array = Containers::Array<char>{ValueInit, count};
+    }
+
+    return std::fread(array.data(), sizeof(char), count, _file) == count;
+}
+
+auto BinaryReader::readUEString(std::string& str) -> bool {
+    UnsignedInt length = 0;
+    if(!readUnsignedInt(length) || length == 0) {
+        return false;
+    }
+
+    str = std::string{};
+    str.resize(length - 1);
+
+    return std::fread(&str[0], sizeof(char), length, _file) == length;
+}
+
+auto BinaryReader::peekChar() -> Int {
+    Int c;
+    c = std::fgetc(_file);
+    std::ungetc(c, _file);
+    return c;
+}
diff --git a/src/UESaveFile/BinaryReader.h b/src/UESaveFile/BinaryReader.h
new file mode 100644
index 0000000..c2a52b5
--- /dev/null
+++ b/src/UESaveFile/BinaryReader.h
@@ -0,0 +1,65 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <cstdio>
+
+#include <Corrade/Containers/Array.h>
+#include <Corrade/Containers/StaticArray.h>
+#include <Corrade/Utility/StlForwardString.h>
+
+#include <Magnum/Types.h>
+
+using namespace Corrade;
+using namespace Magnum;
+
+class BinaryReader {
+    public:
+        explicit BinaryReader(const std::string& filename);
+        ~BinaryReader();
+
+        auto open() -> bool;
+        auto eof() -> bool;
+        auto position() -> Long;
+
+        void closeFile();
+
+        auto readChar(char& value) -> bool;
+        auto readByte(Byte& value) -> bool;
+        auto readUnsignedByte(UnsignedByte& value) -> bool;
+        auto readShort(Short& value) -> bool;
+        auto readUnsignedShort(UnsignedShort& value) -> bool;
+        auto readInt(Int& value) -> bool;
+        auto readUnsignedInt(UnsignedInt& value) -> bool;
+        auto readLong(Long& value) -> bool;
+        auto readUnsignedLong(UnsignedLong& value) -> bool;
+        auto readFloat(Float& value) -> bool;
+        auto readDouble(Double& value) -> bool;
+        auto readArray(Containers::Array<char>& array, std::size_t count) -> bool;
+
+        template<std::size_t S>
+        auto readStaticArray(Containers::StaticArray<S, char>& array) -> bool {
+            return std::fread(array.data(), sizeof(char), S, _file) == S;
+        }
+
+        auto readUEString(std::string& str) -> bool;
+
+        auto peekChar() -> Int;
+
+    private:
+        std::FILE* _file = nullptr;
+};
diff --git a/src/UESaveFile/BinaryWriter.cpp b/src/UESaveFile/BinaryWriter.cpp
new file mode 100644
index 0000000..76c2b03
--- /dev/null
+++ b/src/UESaveFile/BinaryWriter.cpp
@@ -0,0 +1,133 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <cstring>
+
+#include <string>
+
+#include "BinaryWriter.h"
+
+BinaryWriter::BinaryWriter(const std::string& filename) {
+    _file = std::fopen(filename.c_str(), "wb");
+    if(!_file) {
+        Utility::Error{} << "Couldn't open" << filename.c_str() << "for reading:\n"
+                         << std::strerror(errno);
+    }
+}
+
+BinaryWriter::~BinaryWriter() {
+    closeFile();
+}
+
+auto BinaryWriter::open() -> bool {
+    return _file;
+}
+
+void BinaryWriter::closeFile() {
+    std::fflush(_file);
+    std::fclose(_file);
+    _file = nullptr;
+}
+
+auto BinaryWriter::position() -> Long {
+    return _ftelli64(_file);
+}
+
+auto BinaryWriter::arrayPosition() const -> UnsignedLong {
+    return _index;
+}
+
+auto BinaryWriter::flushToFile() -> bool {
+    bool ret = writeArray(_data);
+    std::fflush(_file);
+    _data = Containers::Array<char>{};
+    _index = 0;
+    return ret;
+}
+
+auto BinaryWriter::writeChar(char value) -> bool {
+    return std::fwrite(&value, sizeof(char), 1, _file) == 1;
+}
+
+auto BinaryWriter::writeByte(Byte value) -> bool {
+    return std::fwrite(&value, sizeof(Byte), 1, _file) == 1;
+}
+
+auto BinaryWriter::writeUnsignedByte(UnsignedByte value) -> bool {
+    return std::fwrite(&value, sizeof(UnsignedByte), 1, _file) == 1;
+}
+
+auto BinaryWriter::writeShort(Short value) -> bool {
+    return std::fwrite(&value, sizeof(Short), 1, _file) == 1;
+}
+
+auto BinaryWriter::writeUnsignedShort(UnsignedShort value) -> bool {
+    return std::fwrite(&value, sizeof(UnsignedShort), 1, _file) == 1;
+}
+
+auto BinaryWriter::writeInt(Int value) -> bool {
+    return std::fwrite(&value, sizeof(Int), 1, _file) == 1;
+}
+
+auto BinaryWriter::writeUnsignedInt(UnsignedInt value) -> bool {
+    return std::fwrite(&value, sizeof(UnsignedInt), 1, _file) == 1;
+}
+
+auto BinaryWriter::writeLong(Long value) -> bool {
+    return std::fwrite(&value, sizeof(Long), 1, _file) == 1;
+}
+
+auto BinaryWriter::writeUnsignedLong(UnsignedLong value) -> bool {
+    return std::fwrite(&value, sizeof(UnsignedLong), 1, _file) == 1;
+}
+
+auto BinaryWriter::writeFloat(Float value) -> bool {
+    return std::fwrite(&value, sizeof(Float), 1, _file) == 1;
+}
+
+auto BinaryWriter::writeDouble(Double value) -> bool {
+    return std::fwrite(&value, sizeof(Double), 1, _file) == 1;
+}
+
+auto BinaryWriter::writeArray(Containers::ArrayView<char> array) -> bool {
+    if(array.size() == 0) {
+        return false;
+    }
+
+    return std::fwrite(array.data(), sizeof(char), array.size(), _file) == array.size();
+}
+
+auto BinaryWriter::writeUEString(const std::string& str) -> bool {
+    if(str.length() > UINT32_MAX) {
+        Utility::Error{} << "BinaryWriter::writeUEString(): string is too big.";
+        return false;
+    }
+
+    writeUnsignedInt(static_cast<UnsignedInt>(str.length()) + 1);
+
+    if(str.length() > 0) {
+        std::size_t count = std::fwrite(&str[0], sizeof(char), str.length(), _file);
+        if(count != str.length()) {
+            return false;
+        }
+    }
+    return writeChar('\0');
+}
+
+auto BinaryWriter::writeUEStringToArray(const std::string& value) -> UnsignedLong {
+    Containers::ArrayView<const char> view{value.c_str(), value.length()};
+    return writeValueToArray<UnsignedInt>(UnsignedInt(value.length()) + 1u) + writeDataToArray(view) + writeValueToArray<char>('\0');
+}
diff --git a/src/UESaveFile/BinaryWriter.h b/src/UESaveFile/BinaryWriter.h
new file mode 100644
index 0000000..50ea2b7
--- /dev/null
+++ b/src/UESaveFile/BinaryWriter.h
@@ -0,0 +1,99 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <cstdio>
+
+#include <Corrade/Containers/ArrayView.h>
+#include <Corrade/Containers/GrowableArray.h>
+#include <Corrade/Containers/StaticArray.h>
+#include <Corrade/Utility/StlForwardString.h>
+
+#include <Magnum/Types.h>
+
+using namespace Corrade;
+using namespace Magnum;
+
+class BinaryWriter {
+    public:
+        explicit BinaryWriter(const std::string& filename);
+        ~BinaryWriter();
+
+        auto open() -> bool;
+
+        void closeFile();
+
+        auto position() -> Long;
+
+        auto arrayPosition() const -> UnsignedLong;
+        auto flushToFile() -> bool;
+
+        auto writeByte(Byte value) -> bool;
+        auto writeChar(char value) -> bool;
+        auto writeUnsignedByte(UnsignedByte value) -> bool;
+        auto writeShort(Short value) -> bool;
+        auto writeUnsignedShort(UnsignedShort value) -> bool;
+        auto writeInt(Int value) -> bool;
+        auto writeUnsignedInt(UnsignedInt value) -> bool;
+        auto writeLong(Long value) -> bool;
+        auto writeUnsignedLong(UnsignedLong value) -> bool;
+        auto writeFloat(Float value) -> bool;
+        auto writeDouble(Double value) -> bool;
+        auto writeArray(Containers::ArrayView<char> array) -> bool;
+
+        template<std::size_t S>
+        auto writeStaticArray(Containers::StaticArrayView<S, const char> array) -> bool {
+            return std::fwrite(array.data(), sizeof(char), S, _file) == S;
+        }
+
+        auto writeUEString(const std::string& str) -> bool;
+
+        template<typename T, typename U = std::conditional_t<std::is_trivially_copyable<T>::value, T, T&>>
+        auto writeValueToArray(U value) -> UnsignedLong {
+            Containers::ArrayView<U> view{&value, 1};
+            return writeDataToArray(view);
+        }
+
+        auto writeUEStringToArray(const std::string& value) -> UnsignedLong;
+
+        template<typename T>
+        void writeValueToArrayAt(T& value, UnsignedLong position) {
+            Containers::ArrayView<T> view{&value, 1};
+            writeDataToArrayAt(view, position);
+        }
+
+        template<typename T>
+        auto writeDataToArray(Containers::ArrayView<T> view) -> UnsignedLong {
+            arrayAppend(_data, Containers::arrayCast<const char>(view));
+            _index += sizeof(T) * view.size();
+            return sizeof(T) * view.size();
+        }
+
+        template<typename T>
+        void writeDataToArrayAt(Containers::ArrayView<T> view, UnsignedLong position) {
+            auto casted_view = Containers::arrayCast<const char>(view);
+            for(UnsignedLong i = 0; i < casted_view.size(); i++) {
+                _data[position + i] = casted_view[i];
+            }
+        }
+
+    private:
+        FILE* _file = nullptr;
+
+        Containers::Array<char> _data;
+        UnsignedLong _index = 0;
+};
diff --git a/src/UESaveFile/Debug.cpp b/src/UESaveFile/Debug.cpp
new file mode 100644
index 0000000..6d60d35
--- /dev/null
+++ b/src/UESaveFile/Debug.cpp
@@ -0,0 +1,76 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "Types/UnrealPropertyBase.h"
+#include "Types/ArrayProperty.h"
+#include "Types/SetProperty.h"
+#include "Types/StructProperty.h"
+#include "Types/GenericStructProperty.h"
+
+#include "Debug.h"
+
+Utility::Debug& operator<<(Utility::Debug& debug, const ArrayProperty* prop) {
+    return debug << (*prop->name).c_str() << Utility::Debug::nospace << ":" <<
+                    prop->propertyType.c_str() << "of" << prop->items.size() << prop->itemType.c_str();
+}
+
+Utility::Debug& operator<<(Utility::Debug& debug, const SetProperty* prop) {
+    return debug << (*prop->name).c_str() << Utility::Debug::nospace << ":" <<
+                    prop->propertyType.c_str() << "of" << prop->items.size() << prop->itemType.c_str();
+}
+
+Utility::Debug& operator<<(Utility::Debug& debug, const GenericStructProperty* prop) {
+    debug << (*prop->name).c_str() << Utility::Debug::nospace << ":" <<
+             prop->structType.c_str() << "(" << Utility::Debug::nospace << prop->propertyType.c_str() << Utility::Debug::nospace <<
+             ")    Contents:";
+    for(const auto& item : prop->properties) {
+        debug << "\n    " << Utility::Debug::nospace << item.get();
+    }
+    return debug;
+}
+
+Utility::Debug& operator<<(Utility::Debug& debug, const StructProperty* prop) {
+    auto cast = dynamic_cast<const GenericStructProperty*>(prop);
+    if(cast) {
+        return debug << cast;
+    }
+
+    return debug << (*prop->name).c_str() << Utility::Debug::nospace << ":" <<
+                    prop->structType.c_str() << "(" << Utility::Debug::nospace << prop->propertyType.c_str() << Utility::Debug::nospace << ")";
+}
+
+Utility::Debug& operator<<(Utility::Debug& debug, const UnrealPropertyBase* prop) {
+    if(prop->propertyType == "ArrayProperty") {
+        auto array_prop = dynamic_cast<const ArrayProperty*>(prop);
+        if(array_prop) {
+            return debug << array_prop;
+        }
+    }
+    else if(prop->propertyType == "SetProperty") {
+        auto set_prop = dynamic_cast<const SetProperty*>(prop);
+        if(set_prop) {
+            return debug << set_prop;
+        }
+    }
+    else if(prop->propertyType == "StructProperty") {
+        auto struct_prop = dynamic_cast<const StructProperty*>(prop);
+        if(struct_prop) {
+            return debug << struct_prop;
+        }
+    }
+
+    return debug << (*prop->name).c_str() << Utility::Debug::nospace << ":" << prop->propertyType.c_str();
+}
diff --git a/src/UESaveFile/Debug.h b/src/UESaveFile/Debug.h
new file mode 100644
index 0000000..016d7e0
--- /dev/null
+++ b/src/UESaveFile/Debug.h
@@ -0,0 +1,33 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <Corrade/Utility/Debug.h>
+
+struct ArrayProperty;
+struct SetProperty;
+struct GenericStructProperty;
+struct StructProperty;
+struct UnrealPropertyBase;
+
+using namespace Corrade;
+
+Utility::Debug& operator<<(Utility::Debug& debug, const ArrayProperty* prop);
+Utility::Debug& operator<<(Utility::Debug& debug, const SetProperty* prop);
+Utility::Debug& operator<<(Utility::Debug& debug, const GenericStructProperty* prop);
+Utility::Debug& operator<<(Utility::Debug& debug, const StructProperty* prop);
+Utility::Debug& operator<<(Utility::Debug& debug, const UnrealPropertyBase* prop);
diff --git a/src/UESaveFile/PropertySerialiser.cpp b/src/UESaveFile/PropertySerialiser.cpp
new file mode 100644
index 0000000..4c64756
--- /dev/null
+++ b/src/UESaveFile/PropertySerialiser.cpp
@@ -0,0 +1,252 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <algorithm>
+
+#include "Serialisers/ArrayPropertySerialiser.h"
+#include "Serialisers/BoolPropertySerialiser.h"
+#include "Serialisers/BytePropertySerialiser.h"
+#include "Serialisers/ColourPropertySerialiser.h"
+#include "Serialisers/DateTimePropertySerialiser.h"
+#include "Serialisers/EnumPropertySerialiser.h"
+#include "Serialisers/FloatPropertySerialiser.h"
+#include "Serialisers/GuidPropertySerialiser.h"
+#include "Serialisers/IntPropertySerialiser.h"
+#include "Serialisers/MapPropertySerialiser.h"
+#include "Serialisers/RotatorPropertySerialiser.h"
+#include "Serialisers/StringPropertySerialiser.h"
+#include "Serialisers/SetPropertySerialiser.h"
+#include "Serialisers/StructSerialiser.h"
+#include "Serialisers/TextPropertySerialiser.h"
+#include "Serialisers/VectorPropertySerialiser.h"
+#include "Serialisers/Vector2DPropertySerialiser.h"
+
+#include "Types/NoneProperty.h"
+
+#include "BinaryReader.h"
+#include "BinaryWriter.h"
+
+#include "PropertySerialiser.h"
+
+
+PropertySerialiser::PropertySerialiser() {
+    arrayAppend(_serialisers, Containers::pointer<ArrayPropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<BoolPropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<BytePropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<ColourPropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<DateTimePropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<EnumPropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<FloatPropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<GuidPropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<IntPropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<MapPropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<RotatorPropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<StringPropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<SetPropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<TextPropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<VectorPropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<Vector2DPropertySerialiser>());
+    arrayAppend(_serialisers, Containers::pointer<StructSerialiser>());
+
+    arrayAppend(_collectionSerialisers, Containers::pointer<StructSerialiser>());
+}
+
+auto PropertySerialiser::read(BinaryReader& reader) -> UnrealPropertyBase::ptr {
+    if(reader.peekChar() < 0 || reader.eof()) {
+        return nullptr;
+    }
+
+    std::string name;
+    if(!reader.readUEString(name)) {
+        return nullptr;
+    }
+
+    if(name == "None") {
+        return Containers::pointer<NoneProperty>();
+    }
+
+    std::string type;
+    if(!reader.readUEString(type)) {
+        return nullptr;
+    }
+
+    UnsignedLong value_length;
+    if(!reader.readUnsignedLong(value_length)) {
+        return nullptr;
+    }
+
+    return deserialise(std::move(name), std::move(type), value_length, reader);
+}
+
+auto PropertySerialiser::readItem(BinaryReader& reader, std::string type, UnsignedLong value_length, std::string name) -> UnrealPropertyBase::ptr {
+    if(reader.peekChar() < 0 || reader.eof()) {
+        return nullptr;
+    }
+
+    return deserialise(std::move(name), std::move(type), value_length, reader);
+}
+
+auto PropertySerialiser::readSet(BinaryReader& reader, const std::string& item_type, UnsignedInt count) -> Containers::Array<UnrealPropertyBase::ptr> {
+    if(reader.peekChar() < 0 || reader.eof()) {
+        return nullptr;
+    }
+
+    auto serialiser = getCollectionSerialiser(item_type);
+
+    Containers::Array<UnrealPropertyBase::ptr> array;
+
+    if(serialiser) {
+        std::string name;
+        if(!reader.readUEString(name)) {
+            return nullptr;
+        }
+
+        std::string type;
+        if(!reader.readUEString(type)) {
+            return nullptr;
+        }
+
+        UnsignedLong value_length;
+        if(!reader.readUnsignedLong(value_length)) {
+            return nullptr;
+        }
+
+        array = serialiser->deserialise(name, type, value_length, count, reader, *this);
+
+        for(auto& item : array) {
+            if(item->name == Containers::NullOpt) {
+                item->name.emplace(name);
+            }
+        }
+    }
+    else {
+        for(UnsignedInt i = 0; i < count; i++) {
+            auto item = readItem(reader, item_type, -1, "");
+            arrayAppend(array, std::move(item));
+        }
+    }
+
+    return array;
+}
+
+auto PropertySerialiser::deserialise(std::string name, std::string type, UnsignedLong value_length,
+                                     BinaryReader& reader) -> UnrealPropertyBase::ptr
+{
+    UnrealPropertyBase::ptr prop;
+    auto serialiser = getSerialiser(type);
+
+    if(serialiser == nullptr) {
+        return nullptr;
+    }
+
+    prop = serialiser->deserialise(name, type, value_length, reader, *this);
+
+    if(!prop) {
+        !Utility::Error{} << "No prop in" << __func__;
+        return nullptr;
+    }
+
+    prop->name = std::move(name);
+    prop->propertyType = std::move(type);
+
+    return prop;
+}
+
+auto PropertySerialiser::serialise(UnrealPropertyBase::ptr& prop, const std::string& item_type, UnsignedLong& bytes_written,
+                                   BinaryWriter& writer) -> bool
+{
+    auto serialiser = getSerialiser(item_type);
+    if(!serialiser) {
+        return false;
+    }
+    return serialiser->serialise(prop, bytes_written, writer, *this);
+}
+
+auto PropertySerialiser::write(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer) -> bool {
+    if(prop->name == "None" && prop->propertyType == "NoneProperty" && dynamic_cast<NoneProperty*>(prop.get())) {
+        bytes_written += writer.writeUEStringToArray(*prop->name);
+        return true;
+    }
+
+    bytes_written += writer.writeUEStringToArray(*prop->name);
+    bytes_written += writer.writeUEStringToArray(prop->propertyType);
+
+    UnsignedLong value_length = 0;
+    UnsignedLong vl_position = writer.arrayPosition();
+
+    bytes_written += writer.writeValueToArray<UnsignedLong>(value_length);
+
+    bool ret = serialise(prop, prop->propertyType, value_length, writer);
+
+    writer.writeValueToArrayAt(value_length, vl_position);
+
+    bytes_written += value_length;
+
+    return ret;
+}
+
+auto PropertySerialiser::writeItem(UnrealPropertyBase::ptr& prop, const std::string& item_type,
+                                   UnsignedLong& bytes_written, BinaryWriter& writer) -> bool
+{
+    if(prop->name == "None" && prop->propertyType == "NoneProperty" && dynamic_cast<NoneProperty*>(prop.get())) {
+        bytes_written += writer.writeUEStringToArray(*prop->name);
+        return true;
+    }
+
+    return serialise(prop, item_type, bytes_written, writer);
+}
+
+auto PropertySerialiser::writeSet(Containers::ArrayView<UnrealPropertyBase::ptr> props, const std::string& item_type,
+                                  UnsignedLong& bytes_written, BinaryWriter& writer) -> bool
+{
+    auto serialiser = getCollectionSerialiser(item_type);
+    if(serialiser) {
+        return serialiser->serialise(props, item_type, bytes_written, writer, *this);
+    }
+    else {
+        for(auto& prop : props) {
+            if(!writeItem(prop, item_type, bytes_written, writer)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}
+
+auto PropertySerialiser::getSerialiser(const std::string& item_type) -> AbstractUnrealPropertySerialiser* {
+    for(auto& item : _serialisers) {
+        for(const std::string& serialiser_type : item->types()) {
+            if(item_type == serialiser_type) {
+                return item.get();
+            }
+        }
+    }
+
+    return nullptr;
+}
+
+auto PropertySerialiser::getCollectionSerialiser(const std::string& item_type) -> AbstractUnrealCollectionPropertySerialiser* {
+    for(auto& item : _collectionSerialisers) {
+        for(const std::string& serialiser_type : item->types()) {
+            if(item_type == serialiser_type) {
+                return item.get();
+            }
+        }
+    }
+
+    return nullptr;
+}
diff --git a/src/UESaveFile/PropertySerialiser.h b/src/UESaveFile/PropertySerialiser.h
new file mode 100644
index 0000000..8757aea
--- /dev/null
+++ b/src/UESaveFile/PropertySerialiser.h
@@ -0,0 +1,51 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <Corrade/Containers/GrowableArray.h>
+
+#include "Serialisers/AbstractUnrealPropertySerialiser.h"
+#include "Serialisers/AbstractUnrealCollectionPropertySerialiser.h"
+
+#include "Types/UnrealPropertyBase.h"
+
+using namespace Corrade;
+
+class BinaryReader;
+class BinaryWriter;
+
+class PropertySerialiser {
+    public:
+        PropertySerialiser();
+
+        auto read(BinaryReader& reader) -> UnrealPropertyBase::ptr;
+        auto readItem(BinaryReader& reader, std::string type, UnsignedLong value_length, std::string name) -> UnrealPropertyBase::ptr;
+        auto readSet(BinaryReader& reader, const std::string& item_type, UnsignedInt count) -> Containers::Array<UnrealPropertyBase::ptr>;
+        auto deserialise(std::string name, std::string type, UnsignedLong value_length, BinaryReader& reader) -> UnrealPropertyBase::ptr;
+
+        auto serialise(UnrealPropertyBase::ptr& prop, const std::string& item_type, UnsignedLong& bytes_written, BinaryWriter& writer) -> bool;
+        auto write(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer) -> bool;
+        auto writeItem(UnrealPropertyBase::ptr& prop, const std::string& item_type, UnsignedLong& bytes_written, BinaryWriter& writer) -> bool;
+        auto writeSet(Containers::ArrayView<UnrealPropertyBase::ptr> props, const std::string& item_type, UnsignedLong& bytes_written, BinaryWriter& writer) -> bool;
+
+    private:
+        auto getSerialiser(const std::string& item_type) -> AbstractUnrealPropertySerialiser*;
+        auto getCollectionSerialiser(const std::string& item_type) -> AbstractUnrealCollectionPropertySerialiser*;
+
+        Containers::Array<AbstractUnrealPropertySerialiser::ptr> _serialisers;
+        Containers::Array<AbstractUnrealCollectionPropertySerialiser::ptr> _collectionSerialisers;
+};
diff --git a/src/UESaveFile/Serialisers/AbstractUnrealCollectionPropertySerialiser.h b/src/UESaveFile/Serialisers/AbstractUnrealCollectionPropertySerialiser.h
new file mode 100644
index 0000000..df004d4
--- /dev/null
+++ b/src/UESaveFile/Serialisers/AbstractUnrealCollectionPropertySerialiser.h
@@ -0,0 +1,47 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <string>
+
+#include <Corrade/Containers/Array.h>
+#include <Corrade/Containers/ArrayView.h>
+#include <Corrade/Containers/Pointer.h>
+
+#include <Magnum/Types.h>
+
+#include "../Types/UnrealPropertyBase.h"
+
+using namespace Corrade;
+using namespace Magnum;
+
+class BinaryReader;
+class BinaryWriter;
+class PropertySerialiser;
+
+class AbstractUnrealCollectionPropertySerialiser {
+    public:
+        using ptr = Containers::Pointer<AbstractUnrealCollectionPropertySerialiser>;
+
+        virtual ~AbstractUnrealCollectionPropertySerialiser() = default;
+
+        virtual auto types() -> Containers::ArrayView<const std::string> = 0;
+
+        virtual auto deserialise(const std::string& name, const std::string& type, UnsignedLong value_length, UnsignedInt count, BinaryReader& reader, PropertySerialiser& serialiser) -> Containers::Array<UnrealPropertyBase::ptr> = 0;
+
+        virtual auto serialise(Containers::ArrayView<UnrealPropertyBase::ptr> props, const std::string& item_type, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool = 0;
+};
diff --git a/src/UESaveFile/Serialisers/AbstractUnrealPropertySerialiser.h b/src/UESaveFile/Serialisers/AbstractUnrealPropertySerialiser.h
new file mode 100644
index 0000000..6605550
--- /dev/null
+++ b/src/UESaveFile/Serialisers/AbstractUnrealPropertySerialiser.h
@@ -0,0 +1,46 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <string>
+
+#include <Corrade/Containers/Array.h>
+#include <Corrade/Containers/Pointer.h>
+
+#include <Magnum/Types.h>
+
+#include "../Types/UnrealPropertyBase.h"
+
+using namespace Corrade;
+using namespace Magnum;
+
+class BinaryReader;
+class BinaryWriter;
+class PropertySerialiser;
+
+class AbstractUnrealPropertySerialiser {
+    public:
+        using ptr = Containers::Pointer<AbstractUnrealPropertySerialiser>;
+
+        virtual ~AbstractUnrealPropertySerialiser() = default;
+
+        virtual auto types() -> Containers::ArrayView<const std::string> = 0;
+
+        virtual auto deserialise(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr = 0;
+
+        virtual auto serialise(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool = 0;
+};
diff --git a/src/UESaveFile/Serialisers/AbstractUnrealStructSerialiser.h b/src/UESaveFile/Serialisers/AbstractUnrealStructSerialiser.h
new file mode 100644
index 0000000..e52175b
--- /dev/null
+++ b/src/UESaveFile/Serialisers/AbstractUnrealStructSerialiser.h
@@ -0,0 +1,46 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <string>
+
+#include <Corrade/Containers/Array.h>
+#include <Corrade/Containers/ArrayView.h>
+#include <Corrade/Containers/Pointer.h>
+
+#include <Magnum/Types.h>
+
+#include "../Types/UnrealPropertyBase.h"
+
+using namespace Corrade;
+using namespace Magnum;
+
+class BinaryReader;
+class BinaryWriter;
+
+class AbstractUnrealStructSerialiser {
+    public:
+        using ptr = Containers::Pointer<AbstractUnrealStructSerialiser>;
+
+        virtual ~AbstractUnrealStructSerialiser() = default;
+
+        virtual auto supportsType(const std::string& type) -> bool = 0;
+
+        virtual auto deserialise(BinaryReader& reader) -> UnrealPropertyBase::ptr = 0;
+
+        virtual auto serialise(UnrealPropertyBase::ptr& structProp, BinaryWriter& writer, UnsignedLong& bytes_written) -> bool = 0;
+};
diff --git a/src/UESaveFile/Serialisers/ArrayPropertySerialiser.cpp b/src/UESaveFile/Serialisers/ArrayPropertySerialiser.cpp
new file mode 100644
index 0000000..70cff56
--- /dev/null
+++ b/src/UESaveFile/Serialisers/ArrayPropertySerialiser.cpp
@@ -0,0 +1,66 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+#include "../PropertySerialiser.h"
+
+#include "ArrayPropertySerialiser.h"
+
+auto ArrayPropertySerialiser::deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                                  BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    std::string item_type;
+    if(!reader.readUEString(item_type)) {
+        return nullptr;
+    }
+
+    char terminator;
+    if(!reader.readChar(terminator) || terminator != '\0') {
+        return nullptr;
+    }
+
+    UnsignedInt item_count;
+    if(!reader.readUnsignedInt(item_count)) {
+        return nullptr;
+    }
+
+    auto prop = Containers::pointer<ArrayProperty>();
+    prop->itemType = std::move(item_type);
+    prop->items = serialiser.readSet(reader, prop->itemType, item_count);
+
+    return prop;
+}
+
+auto ArrayPropertySerialiser::serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                                BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto array_prop = dynamic_cast<ArrayProperty*>(prop.get());
+    if(!array_prop) {
+        return false;
+    }
+
+    writer.writeUEStringToArray(array_prop->itemType);
+    writer.writeValueToArray<char>('\0');
+    bytes_written += writer.writeValueToArray<UnsignedInt>(UnsignedInt(array_prop->items.size()));
+
+    UnsignedLong start_pos = writer.arrayPosition();
+    UnsignedLong dummy_bytes_written = 0;
+    bool ret = serialiser.writeSet(array_prop->items, array_prop->itemType, dummy_bytes_written, writer);
+    bytes_written += writer.arrayPosition() - start_pos;
+
+    return ret;
+}
diff --git a/src/UESaveFile/Serialisers/ArrayPropertySerialiser.h b/src/UESaveFile/Serialisers/ArrayPropertySerialiser.h
new file mode 100644
index 0000000..f05db71
--- /dev/null
+++ b/src/UESaveFile/Serialisers/ArrayPropertySerialiser.h
@@ -0,0 +1,30 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealPropertySerialiser.h"
+
+#include "../Types/ArrayProperty.h"
+
+class ArrayPropertySerialiser : public UnrealPropertySerialiser<ArrayProperty> {
+    public:
+        using ptr = Containers::Pointer<ArrayPropertySerialiser>;
+
+    private:
+        auto deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+        auto serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/BoolPropertySerialiser.cpp b/src/UESaveFile/Serialisers/BoolPropertySerialiser.cpp
new file mode 100644
index 0000000..10e761f
--- /dev/null
+++ b/src/UESaveFile/Serialisers/BoolPropertySerialiser.cpp
@@ -0,0 +1,61 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+
+#include "BoolPropertySerialiser.h"
+
+auto BoolPropertySerialiser::types() -> Containers::ArrayView<const std::string> {
+    static const Containers::Array<std::string> types{InPlaceInit, {"BoolProperty"}};
+    return types;
+}
+
+auto BoolPropertySerialiser::deserialise(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                         BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    if(value_length != 0) {
+        return nullptr;
+    }
+
+    Short value;
+    if(!reader.readShort(value)) {
+        return nullptr;
+    }
+
+    if(value > 1 || value < 0) {
+        return nullptr;
+    }
+
+    auto prop = Containers::pointer<BoolProperty>();
+    prop->value = value;
+
+    return prop;
+}
+
+auto BoolPropertySerialiser::serialise(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                       BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto bool_prop = dynamic_cast<BoolProperty*>(prop.get());
+
+    if(!bool_prop) {
+        return false;
+    }
+
+    writer.writeValueToArray<Short>(Short(bool_prop->value));
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/BoolPropertySerialiser.h b/src/UESaveFile/Serialisers/BoolPropertySerialiser.h
new file mode 100644
index 0000000..1b0bb3d
--- /dev/null
+++ b/src/UESaveFile/Serialisers/BoolPropertySerialiser.h
@@ -0,0 +1,32 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "AbstractUnrealPropertySerialiser.h"
+
+#include "../Types/BoolProperty.h"
+
+class BoolPropertySerialiser : public AbstractUnrealPropertySerialiser {
+    public:
+        using ptr = Containers::Pointer<BoolPropertySerialiser>;
+
+        auto types() -> Containers::ArrayView<const std::string> override;
+
+        auto deserialise(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+
+        auto serialise(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/BytePropertySerialiser.cpp b/src/UESaveFile/Serialisers/BytePropertySerialiser.cpp
new file mode 100644
index 0000000..4cc597f
--- /dev/null
+++ b/src/UESaveFile/Serialisers/BytePropertySerialiser.cpp
@@ -0,0 +1,75 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+
+#include "BytePropertySerialiser.h"
+
+auto BytePropertySerialiser::types() -> Containers::ArrayView<const std::string> {
+    static const Containers::Array<std::string> types{InPlaceInit, {"ByteProperty"}};
+    return types;
+}
+
+auto BytePropertySerialiser::deserialise(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                         BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    auto prop = Containers::pointer<ByteProperty>();
+
+    if(!reader.readUEString(prop->enumType)) {
+        return nullptr;
+    }
+
+    char terminator;
+    if(!reader.readChar(terminator) || terminator != '\0') {
+        return nullptr;
+    }
+
+    if(!reader.readUEString(prop->enumValue)) {
+        return nullptr;
+    }
+
+    //UnsignedInt count = 0;
+    //if(!reader.readUnsignedInt(count)) {
+    //    return nullptr;
+    //}
+
+    //if(!reader.readArray(prop->value, count)) {
+    //    return nullptr;
+    //}
+
+    return prop;
+}
+
+auto BytePropertySerialiser::serialise(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                       BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto byte_prop = dynamic_cast<ByteProperty*>(prop.get());
+
+    if(!byte_prop) {
+        return false;
+    }
+
+    //writer.writeValueToArray<char>('\0');
+    //bytes_written += writer.writeValueToArray<UnsignedInt>(byte_prop->value.size());
+    //bytes_written += writer.writeDataToArray<char>(byte_prop->value);
+
+    writer.writeUEStringToArray(byte_prop->enumType);
+    writer.writeValueToArray<char>('\0');
+    bytes_written += writer.writeUEStringToArray(byte_prop->enumValue);
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/BytePropertySerialiser.h b/src/UESaveFile/Serialisers/BytePropertySerialiser.h
new file mode 100644
index 0000000..3fd882d
--- /dev/null
+++ b/src/UESaveFile/Serialisers/BytePropertySerialiser.h
@@ -0,0 +1,32 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "AbstractUnrealPropertySerialiser.h"
+
+#include "../Types/ByteProperty.h"
+
+class BytePropertySerialiser : public AbstractUnrealPropertySerialiser {
+    public:
+        using ptr = Containers::Pointer<BytePropertySerialiser>;
+
+        auto types() -> Containers::ArrayView<const std::string> override;
+
+        auto deserialise(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+
+        auto serialise(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/ColourPropertySerialiser.cpp b/src/UESaveFile/Serialisers/ColourPropertySerialiser.cpp
new file mode 100644
index 0000000..befd069
--- /dev/null
+++ b/src/UESaveFile/Serialisers/ColourPropertySerialiser.cpp
@@ -0,0 +1,49 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+
+#include "ColourPropertySerialiser.h"
+
+auto ColourPropertySerialiser::deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                                   BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    auto prop = Containers::pointer<ColourStructProperty>();
+
+    if(!reader.readFloat(prop->r) || !reader.readFloat(prop->g) ||
+       !reader.readFloat(prop->b) || !reader.readFloat(prop->a))
+    {
+        return nullptr;
+    }
+
+    return prop;
+}
+
+auto ColourPropertySerialiser::serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                                 BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto colour_prop = dynamic_cast<ColourStructProperty*>(prop.get());
+
+    if(!colour_prop) {
+        return false;
+    }
+
+    bytes_written += writer.writeValueToArray<Float>(colour_prop->r) + writer.writeValueToArray<Float>(colour_prop->g) +
+                     writer.writeValueToArray<Float>(colour_prop->b) + writer.writeValueToArray<Float>(colour_prop->a);
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/ColourPropertySerialiser.h b/src/UESaveFile/Serialisers/ColourPropertySerialiser.h
new file mode 100644
index 0000000..f858739
--- /dev/null
+++ b/src/UESaveFile/Serialisers/ColourPropertySerialiser.h
@@ -0,0 +1,30 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealPropertySerialiser.h"
+
+#include "../Types/ColourStructProperty.h"
+
+class ColourPropertySerialiser : public UnrealPropertySerialiser<ColourStructProperty> {
+    public:
+        using ptr = Containers::Pointer<ColourPropertySerialiser>;
+
+    private:
+        auto deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+        auto serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/DateTimePropertySerialiser.cpp b/src/UESaveFile/Serialisers/DateTimePropertySerialiser.cpp
new file mode 100644
index 0000000..615449e
--- /dev/null
+++ b/src/UESaveFile/Serialisers/DateTimePropertySerialiser.cpp
@@ -0,0 +1,46 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+
+#include "DateTimePropertySerialiser.h"
+
+auto DateTimePropertySerialiser::deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                                     BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    auto prop = Containers::pointer<DateTimeStructProperty>();
+
+    if(!reader.readUnsignedLong(prop->timestamp)) {
+        return nullptr;
+    }
+
+    return prop;
+}
+
+auto DateTimePropertySerialiser::serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                                   BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto dt_prop = dynamic_cast<DateTimeStructProperty*>(prop.get());
+
+    if(!dt_prop) {
+        return false;
+    }
+
+    bytes_written += writer.writeValueToArray<UnsignedLong>(dt_prop->timestamp);
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/DateTimePropertySerialiser.h b/src/UESaveFile/Serialisers/DateTimePropertySerialiser.h
new file mode 100644
index 0000000..b0e43ac
--- /dev/null
+++ b/src/UESaveFile/Serialisers/DateTimePropertySerialiser.h
@@ -0,0 +1,30 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealPropertySerialiser.h"
+
+#include "../Types/DateTimeStructProperty.h"
+
+class DateTimePropertySerialiser : public UnrealPropertySerialiser<DateTimeStructProperty> {
+    public:
+        using ptr = Containers::Pointer<DateTimePropertySerialiser>;
+
+    private:
+        auto deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+        auto serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/EnumPropertySerialiser.cpp b/src/UESaveFile/Serialisers/EnumPropertySerialiser.cpp
new file mode 100644
index 0000000..cd7364c
--- /dev/null
+++ b/src/UESaveFile/Serialisers/EnumPropertySerialiser.cpp
@@ -0,0 +1,62 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+
+#include "EnumPropertySerialiser.h"
+
+auto EnumPropertySerialiser::types() -> Containers::ArrayView<const std::string> {
+    static const Containers::Array<std::string> types{InPlaceInit, {"EnumProperty"}};
+    return types;
+}
+
+auto EnumPropertySerialiser::deserialise(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                         BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    auto prop = Containers::pointer<EnumProperty>();
+
+    if(!reader.readUEString(prop->enumType)) {
+        return nullptr;
+    }
+
+    char terminator;
+    if(!reader.readChar(terminator) || terminator != '\0') {
+        return nullptr;
+    }
+
+    if(!reader.readUEString(prop->value)) {
+        return nullptr;
+    }
+
+    return prop;
+}
+
+auto EnumPropertySerialiser::serialise(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                       BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto enum_prop = dynamic_cast<EnumProperty*>(prop.get());
+
+    if(!enum_prop) {
+        return false;
+    }
+
+    writer.writeUEStringToArray(enum_prop->enumType);
+    writer.writeValueToArray<char>('\0');
+    bytes_written += writer.writeUEStringToArray(enum_prop->value);
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/EnumPropertySerialiser.h b/src/UESaveFile/Serialisers/EnumPropertySerialiser.h
new file mode 100644
index 0000000..ab4335f
--- /dev/null
+++ b/src/UESaveFile/Serialisers/EnumPropertySerialiser.h
@@ -0,0 +1,32 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "AbstractUnrealPropertySerialiser.h"
+
+#include "../Types/EnumProperty.h"
+
+class EnumPropertySerialiser : public AbstractUnrealPropertySerialiser {
+    public:
+        using ptr = Containers::Pointer<EnumPropertySerialiser>;
+
+        auto types() -> Containers::ArrayView<const std::string> override;
+
+        auto deserialise(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+
+        auto serialise(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/FloatPropertySerialiser.cpp b/src/UESaveFile/Serialisers/FloatPropertySerialiser.cpp
new file mode 100644
index 0000000..c13a72e
--- /dev/null
+++ b/src/UESaveFile/Serialisers/FloatPropertySerialiser.cpp
@@ -0,0 +1,57 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+
+#include "FloatPropertySerialiser.h"
+
+auto FloatPropertySerialiser::types() -> Containers::ArrayView<const std::string> {
+    static const Containers::Array<std::string> types{InPlaceInit, {"FloatProperty"}};
+    return types;
+}
+
+auto FloatPropertySerialiser::deserialise(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                          BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    auto prop = Containers::pointer<FloatProperty>();
+
+    char terminator;
+    if(!reader.readChar(terminator) || terminator != '\0') {
+        return nullptr;
+    }
+
+    if(!reader.readFloat(prop->value)) {
+        return nullptr;
+    }
+
+    return prop;
+}
+
+auto FloatPropertySerialiser::serialise(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                        BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto float_prop = dynamic_cast<FloatProperty*>(prop.get());
+
+    if(!float_prop) {
+        return false;
+    }
+
+    writer.writeValueToArray<char>('\0');
+    bytes_written += writer.writeValueToArray<Float>(float_prop->value);
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/FloatPropertySerialiser.h b/src/UESaveFile/Serialisers/FloatPropertySerialiser.h
new file mode 100644
index 0000000..c4e45ab
--- /dev/null
+++ b/src/UESaveFile/Serialisers/FloatPropertySerialiser.h
@@ -0,0 +1,32 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "AbstractUnrealPropertySerialiser.h"
+
+#include "../Types/FloatProperty.h"
+
+class FloatPropertySerialiser : public AbstractUnrealPropertySerialiser {
+    public:
+        using ptr = Containers::Pointer<FloatPropertySerialiser>;
+
+        auto types() -> Containers::ArrayView<const std::string> override;
+
+        auto deserialise(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+
+        auto serialise(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/GuidPropertySerialiser.cpp b/src/UESaveFile/Serialisers/GuidPropertySerialiser.cpp
new file mode 100644
index 0000000..9fe235b
--- /dev/null
+++ b/src/UESaveFile/Serialisers/GuidPropertySerialiser.cpp
@@ -0,0 +1,47 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+
+#include "GuidPropertySerialiser.h"
+
+auto GuidPropertySerialiser::deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                                 BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    auto prop = Containers::pointer<GuidStructProperty>();
+
+    if(!reader.readStaticArray(prop->guid)) {
+        Utility::Error{} << "Couldn't read guid in" << __func__;
+        return nullptr;
+    }
+
+    return prop;
+}
+
+auto GuidPropertySerialiser::serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                               BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto guid_prop = dynamic_cast<GuidStructProperty*>(prop.get());
+
+    if(!guid_prop) {
+        return false;
+    }
+
+    bytes_written += writer.writeDataToArray<char>({guid_prop->guid.data(), guid_prop->guid.size()});
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/GuidPropertySerialiser.h b/src/UESaveFile/Serialisers/GuidPropertySerialiser.h
new file mode 100644
index 0000000..7dd1d67
--- /dev/null
+++ b/src/UESaveFile/Serialisers/GuidPropertySerialiser.h
@@ -0,0 +1,31 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealPropertySerialiser.h"
+
+#include "../Types/GuidStructProperty.h"
+
+class GuidPropertySerialiser : public UnrealPropertySerialiser<GuidStructProperty> {
+    public:
+        using ptr = Containers::Pointer<GuidPropertySerialiser>;
+
+    private:
+        auto deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                 BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+        auto serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/IntPropertySerialiser.cpp b/src/UESaveFile/Serialisers/IntPropertySerialiser.cpp
new file mode 100644
index 0000000..5c70d45
--- /dev/null
+++ b/src/UESaveFile/Serialisers/IntPropertySerialiser.cpp
@@ -0,0 +1,66 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+
+#include "IntPropertySerialiser.h"
+
+auto IntPropertySerialiser::deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                                BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    auto prop = Containers::pointer<IntProperty>();
+
+    if(value_length == UnsignedLong(-1)) {
+        if(!reader.readInt(prop->value)) {
+            return nullptr;
+        }
+
+        prop->valueLength = UnsignedLong(-1);
+        return prop;
+    }
+
+    char terminator;
+    if(!reader.readChar(terminator) || terminator != '\0') {
+        return nullptr;
+    }
+
+    if(!reader.readInt(prop->value)) {
+        return nullptr;
+    }
+
+    prop->name.emplace(name);
+
+    return prop;
+}
+
+auto IntPropertySerialiser::serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                              BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto int_prop = dynamic_cast<IntProperty*>(prop.get());
+
+    if(!int_prop) {
+        return false;
+    }
+
+    if(prop->valueLength != UnsignedLong(-1)) {
+        writer.writeValueToArray<char>('\0');
+    }
+
+    bytes_written += writer.writeValueToArray<Int>(int_prop->value);
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/IntPropertySerialiser.h b/src/UESaveFile/Serialisers/IntPropertySerialiser.h
new file mode 100644
index 0000000..8274299
--- /dev/null
+++ b/src/UESaveFile/Serialisers/IntPropertySerialiser.h
@@ -0,0 +1,30 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealPropertySerialiser.h"
+
+#include "../Types/IntProperty.h"
+
+class IntPropertySerialiser : public UnrealPropertySerialiser<IntProperty> {
+    public:
+        using ptr = Containers::Pointer<IntPropertySerialiser>;
+
+    private:
+        auto deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+        auto serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/MapPropertySerialiser.cpp b/src/UESaveFile/Serialisers/MapPropertySerialiser.cpp
new file mode 100644
index 0000000..27b721d
--- /dev/null
+++ b/src/UESaveFile/Serialisers/MapPropertySerialiser.cpp
@@ -0,0 +1,124 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+#include "../PropertySerialiser.h"
+
+#include "../Types/NoneProperty.h"
+
+#include "MapPropertySerialiser.h"
+
+auto MapPropertySerialiser::deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                                BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    auto prop = Containers::pointer<MapProperty>();
+
+    if(!reader.readUEString(prop->keyType)) {
+        return nullptr;
+    }
+
+    if(!reader.readUEString(prop->valueType)) {
+        return nullptr;
+    }
+
+    char terminator;
+    if(!reader.readChar(terminator) || terminator != '\0') {
+        return nullptr;
+    }
+
+    UnsignedInt null;
+    if(!reader.readUnsignedInt(null) || null != 0u) {
+        return nullptr;
+    }
+
+    UnsignedInt count;
+    if(!reader.readUnsignedInt(count)) {
+        return nullptr;
+    }
+
+    // Begin dirty code because the MapProperty format doesn't seem to match any of the GVAS reading stuff I've found,
+    // so I'm just gonna write stuff that matches the only MapProperty I can find in MB's save files.
+
+    arrayReserve(prop->map, count);
+
+    for(UnsignedInt i = 0; i < count; i++) {
+        MapProperty::KeyValuePair pair;
+
+        if(prop->keyType == "IntProperty") {
+            pair.key = serialiser.readItem(reader, prop->keyType, -1, name);
+            if(pair.key == nullptr) {
+                return nullptr;
+            }
+        }
+        else { // Add other branches depending on key type, should more maps appear in the future.
+            return nullptr;
+        }
+
+        UnrealPropertyBase::ptr value_item;
+        while((value_item = serialiser.read(reader)) != nullptr) {
+            arrayAppend(pair.values, std::move(value_item));
+
+            if(pair.values.back()->name == "None" &&
+               pair.values.back()->propertyType == "NoneProperty" &&
+               dynamic_cast<NoneProperty*>(pair.values.back().get()) != nullptr)
+            {
+                break;
+            }
+        }
+
+        arrayAppend(prop->map, std::move(pair));
+    }
+
+    // End dirty code
+
+    return prop;
+}
+
+auto MapPropertySerialiser::serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                              BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto map_prop = dynamic_cast<MapProperty*>(prop.get());
+    if(!map_prop) {
+        return false;
+    }
+
+    writer.writeUEStringToArray(map_prop->keyType);
+    writer.writeUEStringToArray(map_prop->valueType);
+    writer.writeValueToArray<char>('\0');
+
+    UnsignedLong value_start = writer.arrayPosition();
+    writer.writeValueToArray<UnsignedInt>(0u);
+
+    writer.writeValueToArray<UnsignedInt>(UnsignedInt(map_prop->map.size()));
+
+    UnsignedLong dummy_bytes_written = 0;
+    for(auto& pair : map_prop->map) {
+        if(!serialiser.writeItem(pair.key, map_prop->keyType, dummy_bytes_written, writer)) {
+            return false;
+        }
+
+        for(auto& value : pair.values) {
+            if(!serialiser.write(value, dummy_bytes_written, writer)) {
+                return false;
+            }
+        }
+    }
+
+    bytes_written += (writer.arrayPosition() - value_start);
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/MapPropertySerialiser.h b/src/UESaveFile/Serialisers/MapPropertySerialiser.h
new file mode 100644
index 0000000..aba537b
--- /dev/null
+++ b/src/UESaveFile/Serialisers/MapPropertySerialiser.h
@@ -0,0 +1,30 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealPropertySerialiser.h"
+
+#include "../Types/MapProperty.h"
+
+class MapPropertySerialiser : public UnrealPropertySerialiser<MapProperty> {
+    public:
+        using ptr = Containers::Pointer<MapPropertySerialiser>;
+
+    private:
+        auto deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+        auto serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/RotatorPropertySerialiser.cpp b/src/UESaveFile/Serialisers/RotatorPropertySerialiser.cpp
new file mode 100644
index 0000000..4be77bf
--- /dev/null
+++ b/src/UESaveFile/Serialisers/RotatorPropertySerialiser.cpp
@@ -0,0 +1,47 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+
+#include "RotatorPropertySerialiser.h"
+
+auto RotatorPropertySerialiser::deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                                    BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    auto prop = Containers::pointer<RotatorStructProperty>();
+
+    if(!reader.readFloat(prop->x) || !reader.readFloat(prop->y) || !reader.readFloat(prop->z)) {
+        return nullptr;
+    }
+
+    return prop;
+}
+
+auto RotatorPropertySerialiser::serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                                  BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto rotator = dynamic_cast<RotatorStructProperty*>(prop.get());
+
+    if(!rotator) {
+        return false;
+    }
+
+    bytes_written += writer.writeValueToArray<Float>(rotator->x) + writer.writeValueToArray<Float>(rotator->y) +
+                     writer.writeValueToArray<Float>(rotator->z);
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/RotatorPropertySerialiser.h b/src/UESaveFile/Serialisers/RotatorPropertySerialiser.h
new file mode 100644
index 0000000..9a7192e
--- /dev/null
+++ b/src/UESaveFile/Serialisers/RotatorPropertySerialiser.h
@@ -0,0 +1,30 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealPropertySerialiser.h"
+
+#include "../Types/RotatorStructProperty.h"
+
+class RotatorPropertySerialiser : public UnrealPropertySerialiser<RotatorStructProperty> {
+    public:
+        using ptr = Containers::Pointer<RotatorPropertySerialiser>;
+
+    private:
+        auto deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+        auto serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/SetPropertySerialiser.cpp b/src/UESaveFile/Serialisers/SetPropertySerialiser.cpp
new file mode 100644
index 0000000..7b81683
--- /dev/null
+++ b/src/UESaveFile/Serialisers/SetPropertySerialiser.cpp
@@ -0,0 +1,73 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+#include "../PropertySerialiser.h"
+
+#include "SetPropertySerialiser.h"
+
+auto SetPropertySerialiser::deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                                BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    std::string item_type;
+    if(!reader.readUEString(item_type)) {
+        return nullptr;
+    }
+
+    char terminator;
+    if(!reader.readChar(terminator) || terminator != '\0') {
+        return nullptr;
+    }
+
+    UnsignedInt four_bytes;
+    if(!reader.readUnsignedInt(four_bytes) || four_bytes != 0u) {
+        return nullptr;
+    }
+
+    UnsignedInt item_count;
+    if(!reader.readUnsignedInt(item_count)) {
+        return nullptr;
+    }
+
+    auto prop = Containers::pointer<SetProperty>();
+    prop->itemType = std::move(item_type);
+    prop->items = serialiser.readSet(reader, prop->itemType, item_count);
+
+    return prop;
+}
+
+auto SetPropertySerialiser::serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                              BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto set_prop = dynamic_cast<SetProperty*>(prop.get());
+    if(!set_prop) {
+        return false;
+    }
+
+    writer.writeUEStringToArray(set_prop->itemType);
+    writer.writeValueToArray<char>('\0');
+
+    bytes_written += writer.writeValueToArray<UnsignedInt>(0u);
+    bytes_written += writer.writeValueToArray<UnsignedInt>(UnsignedInt(set_prop->items.size()));
+
+    UnsignedLong start_pos = writer.arrayPosition();
+    UnsignedLong dummy_bytes_written = 0;
+    serialiser.writeSet(set_prop->items, set_prop->itemType, dummy_bytes_written, writer);
+    bytes_written += writer.arrayPosition() - start_pos;
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/SetPropertySerialiser.h b/src/UESaveFile/Serialisers/SetPropertySerialiser.h
new file mode 100644
index 0000000..a19f560
--- /dev/null
+++ b/src/UESaveFile/Serialisers/SetPropertySerialiser.h
@@ -0,0 +1,30 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealPropertySerialiser.h"
+
+#include "../Types/SetProperty.h"
+
+class SetPropertySerialiser : public UnrealPropertySerialiser<SetProperty> {
+    public:
+        using ptr = Containers::Pointer<SetPropertySerialiser>;
+
+    private:
+        auto deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+        auto serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/StringPropertySerialiser.cpp b/src/UESaveFile/Serialisers/StringPropertySerialiser.cpp
new file mode 100644
index 0000000..c455fd5
--- /dev/null
+++ b/src/UESaveFile/Serialisers/StringPropertySerialiser.cpp
@@ -0,0 +1,64 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+
+#include "StringPropertySerialiser.h"
+
+auto StringPropertySerialiser::types() -> Containers::ArrayView<const std::string> {
+    static const Containers::Array<std::string> types{InPlaceInit, {"NameProperty", "StrProperty", "SoftObjectProperty", "ObjectProperty"}};
+    return types;
+}
+
+auto StringPropertySerialiser::deserialise(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                           BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    auto prop = Containers::pointer<StringProperty>(type);
+
+    if(value_length != UnsignedLong(-1)) {
+        char terminator;
+        if(!reader.readChar(terminator) || terminator != '\0') {
+            return nullptr;
+        }
+    }
+
+    if(!reader.readUEString(prop->value)) {
+        return nullptr;
+    }
+
+    prop->valueLength = value_length;
+
+    return prop;
+}
+
+auto StringPropertySerialiser::serialise(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                         BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto str_prop = dynamic_cast<StringProperty*>(prop.get());
+
+    if(!str_prop) {
+        return false;
+    }
+
+    if(str_prop->valueLength != UnsignedLong(-1)) {
+        writer.writeValueToArray<char>('\0');
+    }
+
+    bytes_written += writer.writeUEStringToArray(str_prop->value);
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/StringPropertySerialiser.h b/src/UESaveFile/Serialisers/StringPropertySerialiser.h
new file mode 100644
index 0000000..0c9e69b
--- /dev/null
+++ b/src/UESaveFile/Serialisers/StringPropertySerialiser.h
@@ -0,0 +1,32 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "AbstractUnrealPropertySerialiser.h"
+
+#include "../Types/StringProperty.h"
+
+class StringPropertySerialiser : public AbstractUnrealPropertySerialiser {
+    public:
+        using ptr = Containers::Pointer<StringPropertySerialiser>;
+
+        auto types() -> Containers::ArrayView<const std::string> override;
+
+        auto deserialise(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+
+        auto serialise(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/StructSerialiser.cpp b/src/UESaveFile/Serialisers/StructSerialiser.cpp
new file mode 100644
index 0000000..58d08d4
--- /dev/null
+++ b/src/UESaveFile/Serialisers/StructSerialiser.cpp
@@ -0,0 +1,210 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+#include "../PropertySerialiser.h"
+
+#include "../Types/GenericStructProperty.h"
+#include "../Types/NoneProperty.h"
+
+#include "StructSerialiser.h"
+
+auto StructSerialiser::types() -> Containers::ArrayView<const std::string> {
+    static const Containers::Array<std::string> types{InPlaceInit, {"StructProperty"}};
+    return types;
+}
+
+auto StructSerialiser::deserialise(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                   UnsignedInt count, BinaryReader& reader, PropertySerialiser& serialiser) -> Containers::Array<UnrealPropertyBase::ptr>
+{
+    std::string item_type;
+    if(!reader.readUEString(item_type)) {
+        return nullptr;
+    }
+
+    Containers::StaticArray<16, char> guid{ValueInit};
+    if(!reader.readStaticArray(guid)) {
+        return nullptr;
+    }
+
+    char terminator;
+    if(!reader.readChar(terminator) || terminator != '\0') {
+        return nullptr;
+    }
+
+    Containers::Array<UnrealPropertyBase::ptr> array;
+
+    if(count == 0) {
+        auto prop = Containers::pointer<GenericStructProperty>();
+        prop->structType = std::move(item_type);
+        prop->structGuid = std::move(guid);
+    }
+    else {
+        for(UnsignedInt i = 0; i < count; i++) {
+            auto prop = readStructValue(name, item_type, value_length, reader, serialiser);
+
+            if(!prop) {
+                return nullptr;
+            }
+
+            prop->structGuid = guid;
+
+            arrayAppend(array, std::move(prop));
+        }
+    }
+
+    return array;
+}
+
+auto StructSerialiser::deserialise(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                   BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    std::string item_type;
+    if(!reader.readUEString(item_type)) {
+        return nullptr;
+    }
+
+    if(item_type == "None") {
+        return Containers::pointer<NoneProperty>();
+    }
+
+    Containers::StaticArray<16, char> guid{ValueInit};
+    if(!reader.readStaticArray(guid)) {
+        return nullptr;
+    }
+
+    char terminator;
+    if(!reader.readChar(terminator) || terminator != '\0') {
+        return nullptr;
+    }
+
+    UnrealPropertyBase::ptr prop = serialiser.readItem(reader, item_type, value_length, name);
+
+    if(!prop) {
+        prop = readStructValue(name, item_type, value_length, reader, serialiser);
+        if(prop) {
+            dynamic_cast<GenericStructProperty*>(prop.get())->structGuid = std::move(guid);
+        }
+    }
+
+    return prop;
+}
+
+auto StructSerialiser::serialise(Containers::ArrayView<UnrealPropertyBase::ptr> props, const std::string& item_type,
+                                 UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    bytes_written += writer.writeUEStringToArray(*(props.front()->name));
+    bytes_written += writer.writeUEStringToArray(item_type);
+    UnsignedLong vl_pos = writer.arrayPosition();
+    bytes_written += writer.writeValueToArray<UnsignedLong>(0ull);
+
+    auto struct_prop = dynamic_cast<StructProperty*>(props.front().get());
+    if(!struct_prop) {
+        return false;
+    }
+
+    bytes_written += writer.writeUEStringToArray(struct_prop->structType);
+    bytes_written += writer.writeDataToArray(arrayView(struct_prop->structGuid));
+    bytes_written += writer.writeValueToArray<char>('\0');
+
+    UnsignedLong vl_start = writer.arrayPosition();
+
+    UnsignedLong bytes_written_here = 0;
+    for(auto& prop : props) {
+        struct_prop = dynamic_cast<StructProperty*>(prop.get());
+
+        if(!struct_prop) {
+            return false;
+        }
+
+        if(!writeStructValue(struct_prop, bytes_written_here, writer, serialiser)) {
+            return false;
+        }
+    }
+
+    UnsignedLong vl_stop = writer.arrayPosition() - vl_start;
+    writer.writeValueToArrayAt(vl_stop, vl_pos);
+    bytes_written += vl_stop;
+
+    return true;
+}
+
+auto StructSerialiser::serialise(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                 BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto struct_prop = dynamic_cast<StructProperty*>(prop.get());
+
+    if(!struct_prop) {
+        return false;
+    }
+
+    writer.writeUEStringToArray(struct_prop->structType);
+    writer.writeDataToArray(arrayView(struct_prop->structGuid));
+    writer.writeValueToArray<char>('\0');
+
+    if(!serialiser.writeItem(prop, struct_prop->structType, bytes_written, writer)) {
+        UnsignedLong dummy_bytes_written = 0;
+        UnsignedLong vl_start = writer.arrayPosition();
+        if(!writeStructValue(struct_prop, dummy_bytes_written, writer, serialiser)) {
+            return false;
+        }
+        bytes_written += writer.arrayPosition() - vl_start;
+    }
+
+    return true;
+}
+
+auto StructSerialiser::readStructValue(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                       BinaryReader& reader, PropertySerialiser& serialiser) -> StructProperty::ptr
+{
+    auto st_prop = Containers::pointer<GenericStructProperty>();
+    st_prop->structType = type;
+
+    UnrealPropertyBase::ptr prop;
+    while((prop = serialiser.read(reader)) != nullptr) {
+        arrayAppend(st_prop->properties, std::move(prop));
+
+        if(st_prop->properties.back()->name == "None" &&
+           st_prop->properties.back()->propertyType == "NoneProperty" &&
+           dynamic_cast<NoneProperty*>(st_prop->properties.back().get()) != nullptr)
+        {
+            break;
+        }
+    }
+
+    st_prop->name.emplace(name);
+
+    return st_prop;
+}
+
+auto StructSerialiser::writeStructValue(StructProperty* prop, UnsignedLong& bytes_written,
+                                        BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto struct_prop = dynamic_cast<GenericStructProperty*>(prop);
+
+    if(!struct_prop) {
+        return false;
+    }
+
+    for(auto& item : struct_prop->properties) {
+        if(!serialiser.write(item, bytes_written, writer)) {
+            return false;
+        }
+    }
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/StructSerialiser.h b/src/UESaveFile/Serialisers/StructSerialiser.h
new file mode 100644
index 0000000..e219360
--- /dev/null
+++ b/src/UESaveFile/Serialisers/StructSerialiser.h
@@ -0,0 +1,45 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "AbstractUnrealCollectionPropertySerialiser.h"
+#include "AbstractUnrealPropertySerialiser.h"
+#include "AbstractUnrealStructSerialiser.h"
+
+#include "../Types/StructProperty.h"
+
+class StructSerialiser : public AbstractUnrealPropertySerialiser, public AbstractUnrealCollectionPropertySerialiser {
+    public:
+        using ptr = Containers::Pointer<StructSerialiser>;
+
+        auto types() -> Containers::ArrayView<const std::string> override;
+
+        auto deserialise(const std::string& name, const std::string& type, UnsignedLong value_length, UnsignedInt count,
+                         BinaryReader& reader, PropertySerialiser& serialiser) -> Containers::Array<UnrealPropertyBase::ptr> override;
+        auto deserialise(const std::string& name, const std::string& type, UnsignedLong value_length,
+                         BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+
+        auto serialise(Containers::ArrayView<UnrealPropertyBase::ptr> props, const std::string& item_type, UnsignedLong& bytes_written,
+                       BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+        auto serialise(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                       BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+
+    private:
+        auto readStructValue(const std::string& name, const std::string& type, UnsignedLong value_length,
+                             BinaryReader& reader, PropertySerialiser& serialiser) -> StructProperty::ptr;
+        auto writeStructValue(StructProperty* prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool;
+};
diff --git a/src/UESaveFile/Serialisers/TextPropertySerialiser.cpp b/src/UESaveFile/Serialisers/TextPropertySerialiser.cpp
new file mode 100644
index 0000000..72a0f54
--- /dev/null
+++ b/src/UESaveFile/Serialisers/TextPropertySerialiser.cpp
@@ -0,0 +1,84 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+
+#include "TextPropertySerialiser.h"
+
+auto TextPropertySerialiser::deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                                 BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    auto prop = Containers::pointer<TextProperty>();
+
+    Long start_position = reader.position();
+
+    char terminator;
+    if(!reader.readChar(terminator) || terminator != '\0') {
+        return nullptr;
+    }
+
+    if(reader.peekChar() > 0) {
+        if(!reader.readArray(prop->flags, 8)) {
+            return nullptr;
+        }
+    }
+    else {
+        if(!reader.readArray(prop->flags, 4)) {
+            return nullptr;
+        }
+    }
+
+    if(!reader.readChar(prop->id)) {
+        return nullptr;
+    }
+
+    auto interval = reader.position() - start_position;
+
+    do {
+        std::string str;
+
+        if(!reader.readUEString(str)) {
+            return nullptr;
+        }
+
+        arrayAppend(prop->data, std::move(str));
+
+        interval = reader.position() - start_position;
+    } while(UnsignedLong(interval) < value_length);
+
+    prop->value = prop->data.back();
+
+    return prop;
+}
+
+auto TextPropertySerialiser::serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                               BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto text_prop = dynamic_cast<TextProperty*>(prop.get());
+
+    if(!text_prop) {
+        return false;
+    }
+
+    writer.writeValueToArray<char>('\0');
+    bytes_written += writer.writeDataToArray<char>(text_prop->flags);
+    for(const auto& str : text_prop->data) {
+        bytes_written += writer.writeUEStringToArray(str);
+    }
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/TextPropertySerialiser.h b/src/UESaveFile/Serialisers/TextPropertySerialiser.h
new file mode 100644
index 0000000..3b99676
--- /dev/null
+++ b/src/UESaveFile/Serialisers/TextPropertySerialiser.h
@@ -0,0 +1,30 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealPropertySerialiser.h"
+
+#include "../Types/TextProperty.h"
+
+class TextPropertySerialiser : public UnrealPropertySerialiser<TextProperty> {
+    public:
+        using ptr = Containers::Pointer<TextPropertySerialiser>;
+
+    private:
+        auto deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+        auto serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/UnrealPropertySerialiser.h b/src/UESaveFile/Serialisers/UnrealPropertySerialiser.h
new file mode 100644
index 0000000..0364908
--- /dev/null
+++ b/src/UESaveFile/Serialisers/UnrealPropertySerialiser.h
@@ -0,0 +1,58 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <type_traits>
+
+#include "AbstractUnrealPropertySerialiser.h"
+#include "../Types/StructProperty.h"
+
+template<typename T>
+class UnrealPropertySerialiser : public AbstractUnrealPropertySerialiser {
+        static_assert(std::is_base_of<UnrealPropertyBase, T>::value, "T must be derived from UnrealPropertyBase.");
+
+    public:
+        using ptr = Containers::Pointer<UnrealPropertySerialiser<T>>;
+
+        auto types() -> Containers::ArrayView<const std::string> override {
+            static const Containers::Array<std::string> types = []{
+                Containers::Array<std::string> array;
+                Containers::Pointer<T> p(new T);
+                if(std::is_base_of<StructProperty, T>::value) {
+                    array = Containers::Array<std::string>{InPlaceInit, {dynamic_cast<StructProperty*>(p.get())->structType}};
+                }
+                else {
+                    array = Containers::Array<std::string>{InPlaceInit, {p->propertyType}};
+                }
+                return array;
+            }();
+            return types;
+        }
+
+        auto deserialise(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override {
+            return deserialiseProperty(name, type, value_length, reader, serialiser);
+        }
+
+        auto serialise(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override {
+            return serialiseProperty(prop, bytes_written, writer, serialiser);
+        }
+
+    private:
+        virtual auto deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> typename UnrealPropertyBase::ptr = 0;
+
+        virtual auto serialiseProperty(typename UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool = 0;
+};
diff --git a/src/UESaveFile/Serialisers/Vector2DPropertySerialiser.cpp b/src/UESaveFile/Serialisers/Vector2DPropertySerialiser.cpp
new file mode 100644
index 0000000..f272d6f
--- /dev/null
+++ b/src/UESaveFile/Serialisers/Vector2DPropertySerialiser.cpp
@@ -0,0 +1,46 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+
+#include "Vector2DPropertySerialiser.h"
+
+auto Vector2DPropertySerialiser::deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                                     BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    auto prop = Containers::pointer<Vector2DStructProperty>();
+
+    if(!reader.readFloat(prop->x) || !reader.readFloat(prop->y)) {
+        return nullptr;
+    }
+
+    return prop;
+}
+
+auto Vector2DPropertySerialiser::serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                                   BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto vector = dynamic_cast<Vector2DStructProperty*>(prop.get());
+
+    if(!vector) {
+        return false;
+    }
+
+    bytes_written += writer.writeValueToArray<Float>(vector->x) + writer.writeValueToArray<Float>(vector->y);
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/Vector2DPropertySerialiser.h b/src/UESaveFile/Serialisers/Vector2DPropertySerialiser.h
new file mode 100644
index 0000000..c754bda
--- /dev/null
+++ b/src/UESaveFile/Serialisers/Vector2DPropertySerialiser.h
@@ -0,0 +1,30 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealPropertySerialiser.h"
+
+#include "../Types/Vector2DStructProperty.h"
+
+class Vector2DPropertySerialiser : public UnrealPropertySerialiser<Vector2DStructProperty> {
+    public:
+        using ptr = Containers::Pointer<Vector2DPropertySerialiser>;
+
+    private:
+        auto deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+        auto serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Serialisers/VectorPropertySerialiser.cpp b/src/UESaveFile/Serialisers/VectorPropertySerialiser.cpp
new file mode 100644
index 0000000..feaa803
--- /dev/null
+++ b/src/UESaveFile/Serialisers/VectorPropertySerialiser.cpp
@@ -0,0 +1,47 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "../BinaryReader.h"
+#include "../BinaryWriter.h"
+
+#include "VectorPropertySerialiser.h"
+
+auto VectorPropertySerialiser::deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length,
+                                                    BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr
+{
+    auto prop = Containers::pointer<VectorStructProperty>();
+
+    if(!reader.readFloat(prop->x) || !reader.readFloat(prop->y) || !reader.readFloat(prop->z)) {
+        return nullptr;
+    }
+
+    return prop;
+}
+
+auto VectorPropertySerialiser::serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written,
+                                                  BinaryWriter& writer, PropertySerialiser& serialiser) -> bool
+{
+    auto vector = dynamic_cast<VectorStructProperty*>(prop.get());
+
+    if(!vector) {
+        return false;
+    }
+
+    bytes_written += writer.writeValueToArray<Float>(vector->x) + writer.writeValueToArray<Float>(vector->y) +
+                     writer.writeValueToArray<Float>(vector->z);
+
+    return true;
+}
diff --git a/src/UESaveFile/Serialisers/VectorPropertySerialiser.h b/src/UESaveFile/Serialisers/VectorPropertySerialiser.h
new file mode 100644
index 0000000..3afb0dc
--- /dev/null
+++ b/src/UESaveFile/Serialisers/VectorPropertySerialiser.h
@@ -0,0 +1,30 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealPropertySerialiser.h"
+
+#include "../Types/VectorStructProperty.h"
+
+class VectorPropertySerialiser : public UnrealPropertySerialiser<VectorStructProperty> {
+    public:
+        using ptr = Containers::Pointer<VectorPropertySerialiser>;
+
+    private:
+        auto deserialiseProperty(const std::string& name, const std::string& type, UnsignedLong value_length, BinaryReader& reader, PropertySerialiser& serialiser) -> UnrealPropertyBase::ptr override;
+        auto serialiseProperty(UnrealPropertyBase::ptr& prop, UnsignedLong& bytes_written, BinaryWriter& writer, PropertySerialiser& serialiser) -> bool override;
+};
diff --git a/src/UESaveFile/Types/ArrayProperty.h b/src/UESaveFile/Types/ArrayProperty.h
new file mode 100644
index 0000000..b01a9ba
--- /dev/null
+++ b/src/UESaveFile/Types/ArrayProperty.h
@@ -0,0 +1,40 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <Corrade/Containers/GrowableArray.h>
+
+#include "UnrealPropertyBase.h"
+
+struct ArrayProperty : public UnrealPropertyBase {
+    using ptr = Containers::Pointer<ArrayProperty>;
+
+    ArrayProperty() {
+        propertyType = "ArrayProperty";
+    }
+
+    auto at(std::size_t index) -> UnrealPropertyBase* {
+        if(index >= items.size()) {
+            return nullptr;
+        }
+
+        return items[index].get();
+    }
+
+    std::string itemType;
+    Containers::Array<UnrealPropertyBase::ptr> items;
+};
diff --git a/src/UESaveFile/Types/BoolProperty.h b/src/UESaveFile/Types/BoolProperty.h
new file mode 100644
index 0000000..f80a3b9
--- /dev/null
+++ b/src/UESaveFile/Types/BoolProperty.h
@@ -0,0 +1,27 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealProperty.h"
+
+struct BoolProperty : public UnrealProperty<bool> {
+    using ptr = Containers::Pointer<BoolProperty>;
+
+    BoolProperty() {
+        propertyType = "BoolProperty";
+    }
+};
diff --git a/src/UESaveFile/Types/ByteProperty.h b/src/UESaveFile/Types/ByteProperty.h
new file mode 100644
index 0000000..8587d2e
--- /dev/null
+++ b/src/UESaveFile/Types/ByteProperty.h
@@ -0,0 +1,33 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <Corrade/Containers/GrowableArray.h>
+
+#include "UnrealProperty.h"
+
+struct ByteProperty : public UnrealProperty<Containers::Array<char>> {
+    using ptr = Containers::Pointer<ByteProperty>;
+
+    ByteProperty() {
+        propertyType = "ByteProperty";
+    }
+
+    // For some reason, M.A.S.S. Builder stores EnumProperties as ByteProperties. Ugh...
+    std::string enumType;
+    std::string enumValue;
+};
diff --git a/src/UESaveFile/Types/ColourStructProperty.h b/src/UESaveFile/Types/ColourStructProperty.h
new file mode 100644
index 0000000..6df355d
--- /dev/null
+++ b/src/UESaveFile/Types/ColourStructProperty.h
@@ -0,0 +1,27 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "StructProperty.h"
+
+struct ColourStructProperty : public StructProperty {
+    using ptr = Containers::Pointer<ColourStructProperty>;
+    ColourStructProperty() {
+        structType = "LinearColor";
+    }
+    Float r = 0.0f, g = 0.0f, b = 0.0f, a = 0.0f;
+};
diff --git a/src/UESaveFile/Types/DateTimeStructProperty.h b/src/UESaveFile/Types/DateTimeStructProperty.h
new file mode 100644
index 0000000..86da227
--- /dev/null
+++ b/src/UESaveFile/Types/DateTimeStructProperty.h
@@ -0,0 +1,29 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "StructProperty.h"
+
+struct DateTimeStructProperty : public StructProperty {
+    using ptr = Containers::Pointer<DateTimeStructProperty>;
+
+    DateTimeStructProperty() {
+        structType = "DateTime";
+    }
+
+    UnsignedLong timestamp = 0;
+};
diff --git a/src/UESaveFile/Types/EnumProperty.h b/src/UESaveFile/Types/EnumProperty.h
new file mode 100644
index 0000000..e9418af
--- /dev/null
+++ b/src/UESaveFile/Types/EnumProperty.h
@@ -0,0 +1,29 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealProperty.h"
+
+struct EnumProperty : public UnrealProperty<std::string> {
+    using ptr = Containers::Pointer<EnumProperty>;
+
+    EnumProperty() {
+        propertyType = "EnumProperty";
+    }
+
+    std::string enumType;
+};
diff --git a/src/UESaveFile/Types/FloatProperty.h b/src/UESaveFile/Types/FloatProperty.h
new file mode 100644
index 0000000..1594959
--- /dev/null
+++ b/src/UESaveFile/Types/FloatProperty.h
@@ -0,0 +1,27 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealProperty.h"
+
+struct FloatProperty : public UnrealProperty<Float> {
+    using ptr = Containers::Pointer<FloatProperty>;
+
+    FloatProperty() {
+        propertyType = "FloatProperty";
+    }
+};
diff --git a/src/UESaveFile/Types/GenericStructProperty.h b/src/UESaveFile/Types/GenericStructProperty.h
new file mode 100644
index 0000000..93b6b88
--- /dev/null
+++ b/src/UESaveFile/Types/GenericStructProperty.h
@@ -0,0 +1,43 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <algorithm>
+
+#include <Corrade/Containers/GrowableArray.h>
+
+#include "StructProperty.h"
+
+struct GenericStructProperty : public StructProperty {
+    using ptr = Containers::Pointer<GenericStructProperty>;
+
+    template<typename T>
+    auto at(const std::string& name) -> T* {
+        for(auto& item : properties) {
+            if(item->name == name) {
+                return static_cast<T*>(item.get());
+            }
+        }
+        return nullptr;
+    }
+
+    auto props() -> Containers::ArrayView<UnrealPropertyBase::ptr> {
+        return properties;
+    }
+
+    Containers::Array<UnrealPropertyBase::ptr> properties;
+};
diff --git a/src/UESaveFile/Types/GuidStructProperty.h b/src/UESaveFile/Types/GuidStructProperty.h
new file mode 100644
index 0000000..e5a88dc
--- /dev/null
+++ b/src/UESaveFile/Types/GuidStructProperty.h
@@ -0,0 +1,31 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <Corrade/Containers/StaticArray.h>
+
+#include "StructProperty.h"
+
+struct GuidStructProperty : public StructProperty {
+    using ptr = Containers::Pointer<GuidStructProperty>;
+
+    GuidStructProperty() {
+        structType = "Guid";
+    }
+
+    Containers::StaticArray<16, char> guid{ValueInit};
+};
diff --git a/src/UESaveFile/Types/IntProperty.h b/src/UESaveFile/Types/IntProperty.h
new file mode 100644
index 0000000..d03f77b
--- /dev/null
+++ b/src/UESaveFile/Types/IntProperty.h
@@ -0,0 +1,27 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealProperty.h"
+
+struct IntProperty : public UnrealProperty<Int> {
+    using ptr = Containers::Pointer<IntProperty>;
+
+    IntProperty() {
+        propertyType = "IntProperty";
+    }
+};
diff --git a/src/UESaveFile/Types/MapProperty.h b/src/UESaveFile/Types/MapProperty.h
new file mode 100644
index 0000000..3f8768b
--- /dev/null
+++ b/src/UESaveFile/Types/MapProperty.h
@@ -0,0 +1,37 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealPropertyBase.h"
+
+struct MapProperty : public UnrealPropertyBase {
+    using ptr = Containers::Pointer<MapProperty>;
+
+    MapProperty() {
+        propertyType = "MapProperty";
+    }
+
+    std::string keyType;
+    std::string valueType;
+
+    struct KeyValuePair {
+        UnrealPropertyBase::ptr key;
+        Containers::Array<UnrealPropertyBase::ptr> values;
+    };
+
+    Containers::Array<KeyValuePair> map;
+};
diff --git a/src/UESaveFile/Types/NoneProperty.h b/src/UESaveFile/Types/NoneProperty.h
new file mode 100644
index 0000000..e52ec61
--- /dev/null
+++ b/src/UESaveFile/Types/NoneProperty.h
@@ -0,0 +1,28 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealPropertyBase.h"
+
+struct NoneProperty : UnrealPropertyBase {
+    using ptr = Containers::Pointer<NoneProperty>;
+
+    NoneProperty() {
+        name.emplace("None");
+        propertyType = "NoneProperty";
+    }
+};
diff --git a/src/UESaveFile/Types/RotatorStructProperty.h b/src/UESaveFile/Types/RotatorStructProperty.h
new file mode 100644
index 0000000..89add8b
--- /dev/null
+++ b/src/UESaveFile/Types/RotatorStructProperty.h
@@ -0,0 +1,29 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "StructProperty.h"
+
+struct RotatorStructProperty : public StructProperty {
+    using ptr = Containers::Pointer<RotatorStructProperty>;
+
+    RotatorStructProperty() {
+        structType = "Rotator";
+    }
+
+    Float x = 0.0f, y = 0.0f, z = 0.0f;
+};
diff --git a/src/UESaveFile/Types/SetProperty.h b/src/UESaveFile/Types/SetProperty.h
new file mode 100644
index 0000000..b426dc6
--- /dev/null
+++ b/src/UESaveFile/Types/SetProperty.h
@@ -0,0 +1,40 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <Corrade/Containers/GrowableArray.h>
+
+#include "UnrealPropertyBase.h"
+
+struct SetProperty : public UnrealPropertyBase {
+    using ptr = Containers::Pointer<SetProperty>;
+
+    SetProperty() {
+        propertyType = "SetProperty";
+    }
+
+    auto at(std::size_t index) -> UnrealPropertyBase* {
+        if(index >= items.size()) {
+            return nullptr;
+        }
+
+        return items[index].get();
+    }
+
+    std::string itemType;
+    Containers::Array<UnrealPropertyBase::ptr> items;
+};
diff --git a/src/UESaveFile/Types/StringProperty.h b/src/UESaveFile/Types/StringProperty.h
new file mode 100644
index 0000000..07463ac
--- /dev/null
+++ b/src/UESaveFile/Types/StringProperty.h
@@ -0,0 +1,27 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealProperty.h"
+
+struct StringProperty : public UnrealProperty<std::string> {
+    using ptr = Containers::Pointer<StringProperty>;
+
+    explicit StringProperty(const std::string& type = "StrProperty") {
+        propertyType = type;
+    }
+};
diff --git a/src/UESaveFile/Types/StructProperty.h b/src/UESaveFile/Types/StructProperty.h
new file mode 100644
index 0000000..80b9efc
--- /dev/null
+++ b/src/UESaveFile/Types/StructProperty.h
@@ -0,0 +1,32 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <Corrade/Containers/StaticArray.h>
+
+#include "UnrealPropertyBase.h"
+
+struct StructProperty : public UnrealPropertyBase {
+    using ptr = Containers::Pointer<StructProperty>;
+
+    StructProperty() {
+        std::string propertyType = "StructProperty";
+    }
+
+    Containers::StaticArray<16, char> structGuid{ValueInit};
+    std::string structType;
+};
diff --git a/src/UESaveFile/Types/TextProperty.h b/src/UESaveFile/Types/TextProperty.h
new file mode 100644
index 0000000..46bd99e
--- /dev/null
+++ b/src/UESaveFile/Types/TextProperty.h
@@ -0,0 +1,31 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealProperty.h"
+
+struct TextProperty : public UnrealProperty<std::string> {
+    using ptr = Containers::Pointer<TextProperty>;
+
+    TextProperty() {
+        propertyType = "TextProperty";
+    }
+    
+    Containers::Array<char> flags;
+    char id = 0;
+    Containers::Array<std::string> data;
+};
diff --git a/src/UESaveFile/Types/UnrealProperty.h b/src/UESaveFile/Types/UnrealProperty.h
new file mode 100644
index 0000000..08290fe
--- /dev/null
+++ b/src/UESaveFile/Types/UnrealProperty.h
@@ -0,0 +1,26 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "UnrealPropertyBase.h"
+
+template<typename T>
+struct UnrealProperty : public UnrealPropertyBase {
+    using ptr = Containers::Pointer<UnrealProperty<T>>;
+
+    T value;
+};
diff --git a/src/UESaveFile/Types/UnrealPropertyBase.h b/src/UESaveFile/Types/UnrealPropertyBase.h
new file mode 100644
index 0000000..9165e5f
--- /dev/null
+++ b/src/UESaveFile/Types/UnrealPropertyBase.h
@@ -0,0 +1,37 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <string>
+
+#include <Corrade/Containers/Optional.h>
+#include <Corrade/Containers/Pointer.h>
+
+#include <Magnum/Types.h>
+
+using namespace Corrade;
+using namespace Magnum;
+
+struct UnrealPropertyBase {
+    using ptr = Containers::Pointer<UnrealPropertyBase>;
+
+    virtual ~UnrealPropertyBase() = default;
+
+    Containers::Optional<std::string> name = Containers::NullOpt;
+    std::string propertyType;
+    UnsignedLong valueLength;
+};
diff --git a/src/UESaveFile/Types/Vector2DStructProperty.h b/src/UESaveFile/Types/Vector2DStructProperty.h
new file mode 100644
index 0000000..1795b05
--- /dev/null
+++ b/src/UESaveFile/Types/Vector2DStructProperty.h
@@ -0,0 +1,29 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "StructProperty.h"
+
+struct Vector2DStructProperty : public StructProperty {
+    using ptr = Containers::Pointer<Vector2DStructProperty>;
+
+    Vector2DStructProperty() {
+        structType = "Vector2D";
+    }
+
+    Float x = 0.0f, y = 0.0f;
+};
diff --git a/src/UESaveFile/Types/VectorStructProperty.h b/src/UESaveFile/Types/VectorStructProperty.h
new file mode 100644
index 0000000..529522e
--- /dev/null
+++ b/src/UESaveFile/Types/VectorStructProperty.h
@@ -0,0 +1,29 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "StructProperty.h"
+
+struct VectorStructProperty : public StructProperty {
+    using ptr = Containers::Pointer<VectorStructProperty>;
+
+    VectorStructProperty() {
+        structType = "Vector";
+    }
+
+    Float x = 0.0f, y = 0.0f, z = 0.0f;
+};
diff --git a/src/UESaveFile/UESaveFile.cpp b/src/UESaveFile/UESaveFile.cpp
new file mode 100644
index 0000000..e1c4790
--- /dev/null
+++ b/src/UESaveFile/UESaveFile.cpp
@@ -0,0 +1,189 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <Corrade/Containers/ArrayView.h>
+#include <Corrade/Containers/Optional.h>
+#include <Corrade/Utility/Directory.h>
+
+#include "BinaryReader.h"
+#include "BinaryWriter.h"
+
+#include "UESaveFile.h"
+
+UESaveFile::UESaveFile(std::string filepath)
+{
+    _filepath = std::move(filepath);
+
+    loadData();
+}
+
+auto UESaveFile::valid() const -> bool {
+    return _valid;
+}
+
+auto UESaveFile::lastError() const -> const std::string& {
+    return _lastError;
+}
+
+auto UESaveFile::reloadData() -> bool {
+    loadData();
+    return valid();
+}
+
+auto UESaveFile::at(const std::string& name) -> UnrealPropertyBase* {
+    for(auto& prop : _properties) {
+        if(*(prop->name) == name) {
+            return prop.get();
+        }
+    }
+    return nullptr;
+}
+
+auto UESaveFile::props() -> Containers::ArrayView<UnrealPropertyBase::ptr> {
+    return _properties;
+}
+
+auto UESaveFile::saveToFile() -> bool {
+    BinaryWriter writer{_filepath + ".other"};
+
+    if(!writer.open()) {
+        return false;
+    }
+
+    if(!writer.writeStaticArray(staticArrayView(_magicBytes)) ||
+       !writer.writeUnsignedInt(_saveVersion)                 ||
+       !writer.writeUnsignedInt(_packageVersion)              ||
+       !writer.writeUnsignedShort(_engineVersion.major)       ||
+       !writer.writeUnsignedShort(_engineVersion.minor)       ||
+       !writer.writeUnsignedShort(_engineVersion.patch)       ||
+       !writer.writeUnsignedInt(_engineVersion.build)         ||
+       !writer.writeUEString(_engineVersion.buildId))
+    {
+        return false;
+    }
+
+    if(!writer.writeUnsignedInt(_customFormatVersion) ||
+       !writer.writeUnsignedInt(_customFormatData.size()))
+    {
+        return false;
+    }
+
+    for(UnsignedLong i = 0; i < _customFormatData.size(); i++) {
+        if(!writer.writeStaticArray(Containers::StaticArrayView<16, const char>{_customFormatData[i].id}) ||
+           !writer.writeUnsignedInt(_customFormatData[i].value))
+        {
+            return false;
+        }
+    }
+
+    if(!writer.writeUEString(_saveType)) {
+        return false;
+    }
+
+    for(auto& prop : _properties) {
+        UnsignedLong bytes_written = 0;
+        if(!_propSerialiser.write(prop, bytes_written, writer)) {
+            return false;
+        }
+
+        if(!writer.flushToFile()) {
+            return false;
+        }
+    }
+
+    writer.writeUnsignedInt(0);
+
+    return true;
+}
+
+void UESaveFile::loadData() {
+    _valid = false;
+
+    if(!Utility::Directory::exists(_filepath)) {
+        return;
+    }
+
+    BinaryReader reader{_filepath};
+
+    if(!reader.open()) {
+        _lastError = _filepath + " couldn't be opened.";
+        return;
+    }
+
+    Containers::Array<char> magic;
+    if(!reader.readArray(magic, 4)) {
+        _lastError = "Couldn't read magic bytes in " + _filepath;
+        return;
+    }
+
+    std::string invalid = _filepath + " isn't a valid UE4 save.";
+
+    if(std::strncmp(magic.data(), _magicBytes.data(), 4) != 0) {
+        _lastError = std::move(invalid);
+        return;
+    }
+
+    if(!reader.readUnsignedInt(_saveVersion)           ||
+       !reader.readUnsignedInt(_packageVersion)        ||
+       !reader.readUnsignedShort(_engineVersion.major) ||
+       !reader.readUnsignedShort(_engineVersion.minor) ||
+       !reader.readUnsignedShort(_engineVersion.patch) ||
+       !reader.readUnsignedInt(_engineVersion.build)   ||
+       !reader.readUEString(_engineVersion.buildId))
+    {
+        _lastError = std::move(invalid);
+        return;
+    }
+
+    if(!reader.readUnsignedInt(_customFormatVersion)) {
+        _lastError = std::move(invalid);
+        return;
+    }
+
+    UnsignedInt custom_format_data_size = 0;
+
+    if(!reader.readUnsignedInt(custom_format_data_size)) {
+        _lastError = std::move(invalid);
+        return;
+    }
+
+    arrayReserve(_customFormatData, custom_format_data_size);
+
+    for(UnsignedInt i = 0; i < custom_format_data_size; i++) {
+        CustomFormatDataEntry entry;
+
+        if(!reader.readStaticArray(entry.id) ||
+           !reader.readInt(entry.value))
+        {
+            _lastError = std::move(invalid);
+            return;
+        }
+
+        arrayAppend(_customFormatData, entry);
+    }
+
+    if(!reader.readUEString(_saveType)) {
+        _lastError = std::move(invalid);
+        return;
+    }
+
+    UnrealPropertyBase::ptr prop;
+    while((prop = _propSerialiser.read(reader)) != nullptr) {
+        arrayAppend(_properties, std::move(prop));
+    }
+
+    _valid = true;
+}
diff --git a/src/UESaveFile/UESaveFile.h b/src/UESaveFile/UESaveFile.h
new file mode 100644
index 0000000..88e87cd
--- /dev/null
+++ b/src/UESaveFile/UESaveFile.h
@@ -0,0 +1,81 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <string>
+
+#include <Corrade/Containers/Array.h>
+#include <Corrade/Containers/GrowableArray.h>
+#include <Corrade/Containers/StaticArray.h>
+
+#include <Magnum/Magnum.h>
+
+#include "Types/UnrealPropertyBase.h"
+
+#include "PropertySerialiser.h"
+
+using namespace Corrade;
+using namespace Magnum;
+
+class UESaveFile {
+    public:
+        explicit UESaveFile(std::string filepath);
+
+        auto valid() const -> bool;
+        auto lastError() const -> std::string const&;
+
+        auto reloadData() -> bool;
+
+        auto at(const std::string& name) -> UnrealPropertyBase*;
+
+        auto props() -> Containers::ArrayView<UnrealPropertyBase::ptr>;
+
+        auto saveToFile() -> bool;
+
+    private:
+        void loadData();
+
+        bool _valid{false};
+        std::string _lastError;
+
+        std::string _filepath;
+
+        const Containers::StaticArray<4, char> _magicBytes{'G', 'V', 'A', 'S'};
+
+        UnsignedInt _saveVersion = 0;
+        UnsignedInt _packageVersion = 0;
+        struct {
+            UnsignedShort major = 0;
+            UnsignedShort minor = 0;
+            UnsignedShort patch = 0;
+            UnsignedInt   build = 0;
+            std::string   buildId;
+        } _engineVersion;
+
+        UnsignedInt _customFormatVersion = 0;
+        struct CustomFormatDataEntry {
+            Containers::StaticArray<16, char> id;
+            Int value = 0;
+        };
+        Containers::Array<CustomFormatDataEntry> _customFormatData;
+
+        std::string _saveType;
+
+        Containers::Array<UnrealPropertyBase::ptr> _properties;
+
+        PropertySerialiser _propSerialiser;
+};