Added NDArray, did some light header and CMake restructuring

.gitignore

@@ -1,9 +1,11 @@
 build/
-.vscode/
+.*
+!.gitignore
+!.clangd
 CMakeFiles/
+CMakeKits.json
 CMakeCache.txt
 docs/*
 !docs/CMake*
 !docs/Doxyfile.in
-!.clangd
+
-.glsld

CMakeLists.txt

@@ -28,56 +28,43 @@ function(toAbsolutePath SETVAR PATHS)
     set(${SETVAR} ${RET_VAL} PARENT_SCOPE)
 endfunction()
 
+if (NOT CMAKE_BUILD_TYPE)
+	set(CMAKE_BUILD_TYPE "Debug")
+endif()
+
 if(CMAKE_BUILD_TYPE STREQUAL "Release")
-    message(STATUS "Targeting Release build")
+	add_compile_definitions(_NB_BUILD_RELEASE)
 elseif(CMAKE_BUILD_TYPE STREQUAL "Debug")
-    message(STATUS "Targeting Debug build")
     set(NB_DEBUG_BUILD ON)
     add_compile_definitions(_NB_BUILD_DEBUG)
 endif()
+message(STATUS "Targeting ${CMAKE_BUILD_TYPE} build")
+
+if (NB_DEBUG_BUILD)
+	set(NB_LOGGING ON)
+	set(NB_BUILD_TESTS ON)
+	set(NB_BUILD_DOCS ON)
+	set(NB_MONITOR_OPENGL_CALLS ON)
+	set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
+endif()
 
-cmake_dependent_option(NB_LOGGING 
-    "Creates a default logger and automatically logs with code locations."
-    ON
-    NB_DEBUG_BUILD
-    OFF
-)
-cmake_dependent_option(NB_BUILD_TESTS
-    "Build unit tests"
-    ON
-    NB_DEBUG_BUILD
-    OFF
-)
-cmake_dependent_option(NB_BUILD_DOCS
-    "Build documentation"
-    ON
-    NB_DEBUG_BUILD
-    OFF
-)
 cmake_dependent_option(NBENGINE_INSTALL
     "Install NBEngine"
     ON
     NB_DEBUG_BUILD
     OFF
 )
-cmake_dependent_option(NB_MONITOR_OPENGL_CALLS
-    "Monitors every OpenGL call for errors"
-    ON
-    NB_DEBUG_BUILD
-    OFF
-)
-
 
 if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
-    message(STATUS "Building for Windows")
+    message(STATUS "Targeting Windows")
     set(NB_TARGET_WINDOWS ON)
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
-    message(STATUS "Building for Linux")
+    message(STATUS "Targeting Linux")
     set(NB_TARGET_LINUX ON)
 endif()
 
 if(NB_BUILD_TESTS)
-    message(STATUS "Building tests")
+	message(STATUS "Targeting tests")
     enable_testing()
     include(FetchContent)
     FetchContent_Declare(
@@ -106,7 +93,7 @@ endif()
 
 get_filename_component(NBENGINE_ROOT ${CMAKE_CURRENT_LIST_DIR} ABSOLUTE)
 
-add_subdirectory(./engine ${PROJECT_BINARY_DIR}/${CMAKE_BUILD_TYPE})
+add_subdirectory(./engine)
 
 # Toggle
 set(NB_REBUILD_DOCS)

engine/CMakeLists.txt

@@ -1,30 +1,17 @@
-add_subdirectory(./NBCore)
+set(NBENGINE_MODULES
+	NBCore
+	NBGraphics
+	NBData
+)
 
-get_target_property(NBCORE_INTERFACE_INCLUDES NBCore INTERFACE_INCLUDE_DIRECTORIES)
+set(NB_INCLUDE_FILES "")
-include_directories(${NBCORE_INTERFACE_INCLUDES})
+set(NB_SOURCE_FILES "")
+foreach(module ${NBENGINE_MODULES})
+	add_subdirectory("./${module}")
+	get_target_property(MODULE_INCLUDES ${module} INTERFACE_INCLUDE_DIRECTORIES)
+	list(APPEND NB_INCLUDE_FILES ${MODULE_INCLUDES})
+	list(APPEND NB_SOURCE_FILES ${MODULE_INCLUDES})
+endforeach()
+set(NB_INCLUDE_FILES ${NB_INCLUDE_FILES} PARENT_SCOPE)
+set(NB_SOURCE_FILES ${NB_SOURCE_FILES} PARENT_SCOPE)
 
-#add_subdirectory(./NBEvents)
-add_subdirectory(./NBGraphics)
-add_subdirectory(./NBData)
-
-if (NB_CORE_SOURCE OR NB_EVENTS_SOURCE OR NB_GRAPHICS_SOURCE OR NB_DATA_SOURCE)
-    set(NB_SOURCE_FILES "")
-    list(APPEND NB_SOURCE_FILES 
-        ${NB_CORE_SOURCE}
-        ${NB_GRAPHICS_SOURCE}
-        ${NB_EVENTS_SOURCE}
-        ${NB_DATA_SOURCE}
-    )
-    set(NB_SOURCE_FILES ${NB_SOURCE_FILES} PARENT_SCOPE)
-endif()
-
-if (NB_CORE_INCLUDE OR NB_EVENTS_INCLUDE OR NB_GRAPHICS_INCLUDE OR NB_DATA_INCLUDE)
-    set(NB_INCLUDE_FILES "")
-    list(APPEND NB_INCLUDE_FILES 
-        ${NB_CORE_INCLUDE}
-        ${NB_GRAPHICS_INCLUDE}
-        ${NB_EVENTS_INCLUDE}
-        ${NB_DATA_INCLUDE}
-    )
-    set(NB_INCLUDE_FILES ${NB_INCLUDE_FILES} PARENT_SCOPE)
-endif()

engine/NBCore/CMakeLists.txt

@@ -8,15 +8,9 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 include(GNUInstallDirs)
 include(CMakePackageConfigHelpers)
 
-toAbsolutePath(NB_CORE_SOURCE 
-    ./src/ErrorsImpl.cpp
-    ./src/Logger.cpp
-    ./src/Processes.cpp
-    ./src/StringUtils.cpp
-    ./src/TypeTraits.cpp
-    ./src/Utils.cpp
-)
 toAbsolutePath(NB_CORE_INCLUDE
+	./include/NBCore/Arrays.hpp
+	./include/NBCore/CoreTypes.hpp
     ./include/NBCore/DataSink.hpp
 	./include/NBCore/Errors.hpp
     ./include/NBCore/ErrorsImpl.hpp
@@ -30,10 +24,14 @@ toAbsolutePath(NB_CORE_INCLUDE
     ./include/NBCore/Utils.hpp
 )
 
-set(NB_CORE_SOURCE ${NB_CORE_SOURCE} PARENT_SCOPE)
+add_library(NBCore
-set(NB_CORE_INCLUDE ${NB_CORE_INCLUDE} PARENT_SCOPE)
+	./src/ErrorsImpl.cpp
-
+    ./src/Logger.cpp
-add_library(NBCore ${NB_CORE_SOURCE})
+    ./src/Processes.cpp
+    ./src/StringUtils.cpp
+    ./src/TypeTraits.cpp
+    ./src/Utils.cpp
+)
 add_library(NBEngine::Core ALIAS NBCore)
 target_include_directories(NBCore
     PUBLIC "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>"

engine/NBCore/include/NBCore/Arrays.hpp

@@ -0,0 +1,135 @@
+#pragma once
+#ifndef _NB_DATA_TYPES
+#define _NB_DATA_TYPES
+
+#include <algorithm>
+#include <array>
+#include <cstring>
+
+#include <NBCore/Errors.hpp>
+
+namespace nb {
+
+/*!
+ *	@brief A multidimensional array template class
+ *
+ * */
+template<typename T, unsigned int N>
+class NDArray {
+	public:
+	using Coordinate = std::array<unsigned int, N>;
+
+	private:
+	template<unsigned int M>
+	static Coordinate ProjectDimensions(const std::array<unsigned int, M>& dims) {
+		Coordinate p;
+		unsigned int i=0;
+		if constexpr (M > N) {
+			std::for_each(dims.begin(), dims.end(), [&](unsigned int x){
+				if (i < N) {
+					p[i] = x;
+				} else {
+					if (x != 1) {
+						THROW(Error(Error<>::VALUE_ERROR,
+							"Higher dimensions must have a size of 1"
+						));
+					}
+				}
+				i++;
+			});
+		} else if constexpr (M < N) {
+			p.fill(1);
+			std::for_each(dims.begin(), dims.end(), [&](unsigned int x) {p[i] = x; i++;});
+		} else { p = dims; }
+		
+		return p;
+	}
+	
+
+	protected:
+	T* _data;
+	static unsigned int CalculateTotalSize(const std::array<unsigned int, N>& dims) {
+		unsigned int ret = 1;
+		std::for_each(dims.begin(), dims.end(), [&](unsigned int n){
+			ret *= n;
+		});
+		return ret;
+	}
+
+	public:
+	template<typename U, unsigned int M>
+	friend class NDArray;
+
+	static NDArray&& MemoryToNDArray(const Coordinate& dimensions_, T* data_) {
+		auto ret = NDArray(dimensions_);
+		ret._data = data_;
+		return std::move(ret);
+	}
+
+	const Coordinate dimensions;
+	const unsigned int totalSize;
+	NDArray(const Coordinate& dimensions_, T* data_=nullptr) :
+		dimensions(dimensions_), 
+		totalSize(CalculateTotalSize(dimensions_))
+	{
+		if (data_) { data(data_); }
+	}
+	
+
+	NDArray(NDArray&& arr) :
+		dimensions(arr.dimensions),
+		totalSize(arr.totalSize),
+		 _data(std::move(arr._data)) {}
+
+	NDArray(const NDArray& arr)=delete;
+	
+	template<unsigned int M>
+	NDArray(NDArray<T, M>&& arr) : 
+		dimensions(ProjectDimensions<M>(arr.dimensions)),
+		totalSize(arr.totalSize),
+		_data(std::move(arr._data)){} 
+
+	NDArray& operator=(const NDArray& arr) = delete;	
+	NDArray& operator=(NDArray&& arr) = delete; 
+	~NDArray() {
+		if (_data) { delete[] _data; }
+	};
+	
+	unsigned int coordinateToIndex(const Coordinate& coord) const {
+		unsigned int blockSize = 1;
+		unsigned int ret = 0;
+		for (auto i = 0; i < dimensions.size(); ++i) {
+			ret += coord[i] * blockSize;
+			blockSize *= dimensions[i];
+		}
+		return ret;
+	}
+
+	inline NDArray& copy() const {
+		return NDArray(dimensions, _data);
+	}
+	inline const T& at(const Coordinate& coord) const {
+		return operator[](coord);
+	}
+	inline const T* data() const { return _data; }		
+	inline const T& operator[](const Coordinate& coord) const {
+		return _data[coordinateToIndex(coord)];
+	}
+
+	inline T& at(const Coordinate& coord) {
+		return _data[coordinateToIndex(coord)];
+	}
+	inline T* data(const T* data_) {
+		if (!_data) { _data = new T[totalSize]; }
+		std::memcpy(_data, data_, totalSize * sizeof(T));
+		return _data;
+	}
+	inline T& operator[](const Coordinate& coord) {
+		return _data[coordinateToIndex(coord)];
+	}
+
+}; // class NDArray<type, int>
+
+
+} // namespace nb
+#endif // _NB_DATA_TYPES

engine/NBCore/include/NBCore/CoreTypes.hpp

@@ -0,0 +1,37 @@
+#pragma once
+#ifndef _NB_CORE_TYPES
+#define _NB_CORE_TYPES
+
+#include <memory>
+#include <unordered_map>
+#include <vector>
+
+namespace nb {
+template<typename T>
+using SharedVector = std::vector<std::shared_ptr<T>>;
+
+template<typename T>
+using RValueVector = std::vector<T&&>;
+
+using ByteVector = std::vector<uint8_t>;
+
+template<typename A, typename B>
+class ConstantMap : public std::unordered_map<A, B> {
+    using Base = std::unordered_map<A, B>;
+
+    public:
+    using Base::Base;
+    using Base::at;
+    const B& operator[](const A& key) const {
+        return at(key);
+    }
+};
+
+enum TypeCodes {
+    UINT8, UINT16, UINT32, UINT64, INT8, INT16, INT32, INT64,
+    FLOAT16, FLOAT32, DOUBLE64, BOOL, NONE
+};
+
+}; // namespace nb
+
+#endif // _NB_NB_CORE_TYPES

engine/NBCore/include/NBCore/ErrorsImpl.hpp

@@ -8,7 +8,7 @@
 #include <type_traits>
 
 #include <NBCore/StringUtils.hpp>
-#include <NBCore/Utils.hpp>
+#include <NBCore/CoreTypes.hpp>
 
 namespace nb {
 

engine/NBCore/include/NBCore/TypeTraits.hpp

@@ -3,6 +3,9 @@
 #define _NB_TYPE_TRAITS
 
 #include <type_traits>
+#include <utility>
+
+#include <NBCore/CoreTypes.hpp>
 
 namespace nb {
 
@@ -29,10 +32,8 @@ namespace detail {
     };
 } // namespace detail
 
-enum TypeCodes {
+template<typename K, typename V>
-    UINT8, UINT16, UINT32, UINT64, INT8, INT16, INT32, INT64,
+std::pair<K, V> KeyVal(K key, V val) { return std::pair(key, val); }
-    FLOAT16, FLOAT32, DOUBLE64, BOOL, NONE
-};
 
 template<typename T>
 static constexpr TypeCodes GetTypeEnum = NONE;

engine/NBCore/include/NBCore/Utils.hpp

@@ -1,35 +1,14 @@
 #pragma once
-#ifndef _NB_CORE_TYPES
+#ifndef _NB_UTILTIES
-#define _NB_CORE_TYPES
+#define _NB_UTILTIES
 
-#include <memory>
-#include <unordered_map>
 #include <vector>
 
-// #include <NBCore/Errors.hpp>
+#include <NBCore/CoreTypes.hpp>
+#include <NBCore/Errors.hpp>
 
 namespace nb {
 
-template<typename A, typename B>
-class ConstantMap : public std::unordered_map<A, B> {
-    using Base = std::unordered_map<A, B>;
-
-    public:
-    using Base::Base;
-    using Base::at;
-    const B& operator[](const A& key) const {
-        return at(key);
-    }
-};
-
-template<typename T>
-using SharedVector = std::vector<std::shared_ptr<T>>;
-
-template<typename T>
-using RValueVector = std::vector<T&&>;
-
-using ByteVector = std::vector<uint8_t>;
-
 /* class ObjectManagerError : public Error<ObjectManagerError> {
     using Base = Error<ObjectManagerError>;
 
@@ -67,10 +46,9 @@ ByteVector concatVectorBytes(const std::vector<T>& vec1, const std::vector<S>& v
 template<typename T>
 std::vector<T> bytesToVector(const ByteVector& vec) {
     if (vec.size() % sizeof(T) != 0) {
-/*         THROW(Error<NoneType>(
+         THROW(Error(
             std::runtime_error("Data size does not align to std::vector<" + std::string(typeid(T).name()) + ">.")
-        )); */
+        ));
-        throw "byyyyeeee";
 	}
     unsigned int num_elmts = vec.size() / sizeof(T);
     std::vector<T> ret(num_elmts);

engine/NBCore/tests/CMakeLists.txt

@@ -1,24 +1,24 @@
 cmake_minimum_required(VERSION 3.26.0)
 
-if (NB_BUILD_TESTS)
+enable_testing()
-    enable_testing()
+include(GoogleTest)
-    include(GoogleTest)
+add_executable(TestCore
-    add_executable(TestCore
+	./testArrays.cpp
 	./testErrors.cpp
 	#./testProcesses.cpp
 	./testUtils.cpp
-    )
+)
-    target_link_libraries(TestCore
+target_link_libraries(TestCore
 	NBCore
 	GTest::gtest_main
-    )
+)
 
-    add_executable(LoggerTest
+add_executable(LoggerTest
 	./testLogger.cpp
-    )
+)
-    target_link_libraries(LoggerTest
+target_link_libraries(LoggerTest
 	NBCore
-    )
+)
+
+gtest_discover_tests(TestCore)
 
-    gtest_discover_tests(TestCore)
-endif()

engine/NBCore/tests/testArrays.cpp

@@ -0,0 +1,73 @@
+#define CODE_ERROR_LOCATIONS
+#include <gtest/gtest.h>
+
+#include <NBCore/Arrays.hpp>
+
+template<unsigned int N>
+using Coord = typename nb::NDArray<uint8_t, N>::Coordinate;
+
+template<typename A, typename B>
+void ASSERT_ARRAY_EQ(A a, B b) {
+	unsigned int n = a.size();
+	for (int i = 0; i < n; ++i) {
+		ASSERT_EQ(a[i], b[i]);
+	}
+}
+
+TEST(TestNDArray, TestBasic) {
+	float* data_f = new float[9] {0,1,2,3,4,5,6,7,8};
+	nb::NDArray<float, 2> arr({3, 3}, data_f);
+	Coord<2> x{1,1};
+	ASSERT_ARRAY_EQ(arr.dimensions, Coord<2>{3,3});
+	ASSERT_FLOAT_EQ(data_f[4], arr.at(x));
+	arr.at(x) = 0.5;
+	ASSERT_FLOAT_EQ(0.5, arr.at(x));
+	delete[] data_f;
+
+	Coord<3> y{1,0,1};
+	unsigned int* data_ui = new unsigned int[8] {0,1,2,3,4,5,6,7};
+	nb::NDArray<unsigned int, 3> arr3d({2,2,2}, data_ui);
+	ASSERT_ARRAY_EQ(arr3d.dimensions, Coord<3>{2,2,2});
+	ASSERT_EQ(data_ui[5], arr3d.at(y));	
+	arr3d[{0,1,1}] = 23;
+	ASSERT_EQ(23, arr3d.at({0,1,1}));
+	delete[] data_ui;
+
+	nb::NDArray<uint8_t, 4> arr4d({4,4,4,4});
+	arr4d[{0,1,2,3}] = 57;
+	ASSERT_ARRAY_EQ(arr4d.dimensions, Coord<4>{4,4,4,4});
+	ASSERT_EQ(57, arr4d.at({0,1,2,3}));
+}
+
+TEST(TestNDArray, TestMove) {
+	unsigned int data_ui[8] = {0,1,2,3,4,5,6,7};
+	nb::NDArray<unsigned int, 2> arr_1({4, 2}, data_ui);
+	nb::NDArray<unsigned int, 2> arr_2(std::move(arr_1));
+	Coord<2> x{2, 1};
+	ASSERT_EQ(arr_1.data(), nullptr);
+	ASSERT_ARRAY_EQ(arr_1.dimensions, arr_2.dimensions);
+	ASSERT_EQ(arr_2.at(x), 6);
+}
+
+TEST(TestNDArray, TestConversion) {
+	nb::NDArray<unsigned int, 2> arr1({3,3});
+	nb::NDArray<unsigned int, 3> arr2(std::move(arr1));
+	ASSERT_EQ(arr1.data(), nullptr);
+	ASSERT_ARRAY_EQ(arr2.dimensions, Coord<3>{3,3,1});
+	nb::NDArray<unsigned int, 2> arr3(std::move(arr2));
+	ASSERT_EQ(arr2.data(), nullptr);
+	ASSERT_ARRAY_EQ(arr3.dimensions, Coord<2>{3,3});
+}
+
+TEST(TestNDArray, TestFromMemory) {
+	auto data = new float[9]{1,2,3,4,5,6,7,8,9};
+	auto arr1 = nb::NDArray<float, 2>::MemoryToNDArray({3,3}, data);
+	ASSERT_EQ(arr1.data(), data);
+	ASSERT_FLOAT_EQ(arr1.at({1,2}), data[5]);
+	auto data2 = new float[9]{9,8,7,6,5,4,3,2,1};
+	arr1.data(data2);
+	ASSERT_EQ(arr1.data(), data);
+	ASSERT_FLOAT_EQ(arr1.at({3,0}), data2[6]);
+	delete[] data2;
+}
+

engine/NBCore/tests/testUtils.cpp

@@ -3,8 +3,9 @@
 #include <gtest/gtest.h>
 
 #include <string>
-#include <NBCore/TypeTraits.hpp>
 #include <NBCore/StringUtils.hpp>
+#include <NBCore/TypeTraits.hpp>
+#include <NBCore/Utils.hpp>
 
 namespace nb {
 
@@ -46,7 +47,6 @@ TEST(UtilsTest, TestFindAndReplaceWstr) {
         find_and_replace<wchar_t>(L"Jeff", L"e", L"efe").c_str(), 
         L"Jefeff"
     );
-
     std::wstring tmp = find_and_replace<wchar_t>(L"Naif", L"a", L"afa");
     ASSERT_STREQ(
         find_and_replace<wchar_t>(tmp, L"i", L"ifi").c_str(), 
@@ -74,44 +74,6 @@ TEST(UtilsTest, TestFindAndReplaceWstr) {
     );
 }
 
-/* TEST(UtilsTest, TestWstrToStr) {
-    ASSERT_STREQ(
-        nb::wstr_to_str(L"Hi!").c_str(), 
-        "Hi!"
-    );
-    ASSERT_STREQ(
-        nb::wstr_to_str(L"Naif").c_str(),
-        "Naif"
-    );
-    ASSERT_STREQ(
-        nb::wstr_to_str(L"\r\r\r\n").c_str(),
-        "\r\r\r\n"
-    );
-    ASSERT_STREQ(
-        nb::wstr_to_str(L"Naif\ttalks\r\ra\t\nlot").c_str(),
-        "Naif\ttalks\r\ra\t\nlot"
-    );
-} */
-
-/* TEST(UtilsTest, TestStrToWstr) {
-    ASSERT_STREQ(
-        nb::str_to_wstr("Hi!").c_str(), 
-        L"Hi!"
-    );
-    ASSERT_STREQ(
-        nb::str_to_wstr("Naif").c_str(),
-        L"Naif"
-    );
-    ASSERT_STREQ(
-        nb::str_to_wstr("\r\r\r\n").c_str(),
-        L"\r\r\r\n"
-    );
-    ASSERT_STREQ(
-        nb::str_to_wstr("Naif\ttalks\r\ra\t\nlot").c_str(),
-        L"Naif\ttalks\r\ra\t\nlot"
-    );
-} */
-
 struct A { bool x(); };
 struct B { bool y(); };
 struct C { bool x(); bool y; };

engine/NBGraphics/include/NBGraphics/Window.hpp

@@ -9,6 +9,8 @@
 #include <functional>
 #include <memory>
 #include <string>
+#include <type_traits>
+#include <utility>
 #include <vector>
 
 #include <NBCore/Errors.hpp>
@@ -31,6 +33,86 @@ class GLFWError : public Error<GLFWError> {
     static const ErrorCodeMap ErrorMessages;
 };
 
+class OGLWindow;
+
+enum WindowCallbacks {
+    KEY, CHAR, CHAR_MODS, MOUSE_BUTTON, CURSOR_POS, CURSOR_ENTER,
+    SCROLL, DROP, WINDOW_POS, WINDOW_SIZE, WINDOW_CLOSE, WINDOW_REFRESH,
+    WINDOW_FOCUS, WINDOW_ICONIFY, WINDOW_MAX, FRAMEBUFFER_SIZE, WINDOW_SCALE,
+};
+
+template<WindowCallbacks>
+struct OGLWindowCallbacks;
+
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::KEY> {
+    using type = typename std::function<void(OGLWindow*, int, int, int, int)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::CHAR> {
+    using type = typename std::function<void(OGLWindow*, unsigned int)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::CHAR_MODS> {
+    using type = typename std::function<void(OGLWindow*, unsigned int, int)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::CURSOR_ENTER> {
+    using type = typename std::function<void(OGLWindow*, int)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::CURSOR_POS> {
+    using type = typename std::function<void(OGLWindow*, double, double)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::MOUSE_BUTTON> {
+    using type = typename std::function<void(OGLWindow*, int, int, int)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::SCROLL> {
+    using type = typename std::function<void(OGLWindow*, double, double)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::DROP> {
+    using type = typename std::function<void(OGLWindow*, int, const char**)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::WINDOW_POS> {
+    using type = typename std::function<void(OGLWindow*, int, int)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::WINDOW_SIZE> {
+    using type = typename std::function<void(OGLWindow*, int, int)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::WINDOW_CLOSE> {
+    using type = typename std::function<void(OGLWindow*)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::WINDOW_REFRESH> {
+    using type = typename std::function<void(OGLWindow*)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::WINDOW_FOCUS> {
+    using type = typename std::function<void(OGLWindow*, int)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::WINDOW_ICONIFY> {
+    using type = typename std::function<void(OGLWindow*, int)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::WINDOW_MAX> {
+    using type = typename std::function<void(OGLWindow*, int)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::FRAMEBUFFER_SIZE> {
+    using type = typename std::function<void(OGLWindow*, int, int)>;
+};
+template<>
+struct OGLWindowCallbacks<WindowCallbacks::WINDOW_SCALE> {
+    using type = typename std::function<void(OGLWindow*, int)>;
+};
+
 class OGLWindow {
     using GLFWHint = std::array<int, 2>;
     private:
@@ -39,12 +121,6 @@ class OGLWindow {
             THROW(GLFWError(GLFWError::Codes::NOT_MAIN));
         }
     }
-    template<typename... Args>
-    using CallbackFuncType = void (*)(GLFWwindow*, Args...);
-    template<typename... Args>
-    struct CallbackSetterFuncType {
-        typedef CallbackFuncType<Args...> (*type)(GLFWwindow*, CallbackFuncType<Args...>);
-    };
 
     protected:
     static std::atomic<unsigned int> _count;
@@ -52,32 +128,30 @@ class OGLWindow {
     static thread_local GLFWwindow* _currWindow;
     static thread_local const GLFWwindow* _currArena;
     
-    static void SetHintInteger(const std::array<int, 2>&);
+    template<typename T>
-    static void SetHintString(const std::tuple<int, std::string>&);
+    static void SetHint(std::pair<int, T> hint) {
+        if constexpr ( std::is_same_v<T, std::string> ) {
+            glfwWindowHintString(std::get<0>(hint), std::get<1>(hint).c_str());
+        } else if constexpr ( std::is_same_v<T, int> ) {
+            glfwWindowHint(std::get<0>(hint), std::get<1>(hint));
+        }
+    }
 
     std::string _title;
     GLFWwindow* _window_ptr;
     const GLFWwindow* _arena;
 
     OGLWindow(
-        unsigned int,
+        unsigned int x,
-        unsigned int,
+        unsigned int y,
         const std::string&,
-        const std::vector<std::array<int, 2>>&,
-        const std::vector<std::tuple<int, std::string>>&,
         GLFWwindow* sharingContext = NULL
     );
+
     GLFWwindow* makeCurrent() const;
     void detachWindow();
 
     public:
-    enum Callbacks {
-        KEY, CHAR, CHAR_MODS, MOUSE_BUTTON, CURSOR_POS, CURSOR_ENTER,
-        SCROLL, DROP, WINDOW_POS, WINDOW_SIZE, WINDOW_CLOSE, WINDOW_REFRESH,
-        WINDOW_FOCUS, WINDOW_ICONIFY, WINDOW_MAX, FRAMEBUFFER_SIZE, WINDOW_SCALE,
-    };
-    template<typename... T>
-    using CallbackFunc = void(*)(OGLWindow*, T...);
 
     static inline bool IsGLFWInitialized() { return _glfwInitialized; }
     static bool InitGLFW(const std::vector<GLFWHint>& hints={});
@@ -87,21 +161,37 @@ class OGLWindow {
     static GLFWwindow* MakeCurrent(const std::shared_ptr<OGLWindow>&);
     static inline GLFWwindow* DropCurrent() { return MakeCurrent(nullptr); }
     static void DestroyWindow(std::shared_ptr<OGLWindow>&);
+    template <typename... T>
     static std::shared_ptr<OGLWindow> CreateWindow(
         unsigned int x,
         unsigned int y,
         const std::string& title,
-        const std::vector<std::array<int, 2>>& integerHints={},
+        const std::pair<int, T>&... windowHints
-        const std::vector<std::tuple<int, std::string>>& stringHints={}
+    ) {
-    );
+        (SetHint(std::pair(windowHints)),... );
+        return std::shared_ptr<OGLWindow>(new OGLWindow(
+            x,
+            y,
+            title,
+            nullptr
+        ) );
+    }
+    template<typename... T>
     static std::shared_ptr<OGLWindow> CreateSharedWindow(
         unsigned int x,
         unsigned int y,
         const std::string& title,
-        std::shared_ptr<OGLWindow> sharingWindow,
+        std::shared_ptr<OGLWindow> sharingWindow = NULL,
-        const std::vector<std::array<int, 2>>& integerHints={},
+        const std::pair<int, T>&... windowHints
-        const std::vector<std::tuple<int, std::string>>& stringHints={}
+    ) {
-    );
+        (SetHint(std::pair(windowHints)),... );
+        return std::shared_ptr<OGLWindow>(new OGLWindow(
+            x,
+            y,
+            title,
+            sharingWindow->_window_ptr
+        ) );
+    }
 
     OGLWindow(OGLWindow&&) = delete;
     OGLWindow(const OGLWindow&) = delete;
@@ -121,8 +211,84 @@ class OGLWindow {
     void setTitle(const std::string&);
     void shouldClose(bool);
 
-    template<enum Callbacks, typename Func>
+    template<WindowCallbacks CallbackType, typename CallbackFunc>
-    void setCallback(std::function<Func> callback);
+    void setCallback(CallbackFunc callback) {
+        CheckForMainThread();
+        auto tmp = makeCurrent();
+        static auto this_ptr = this;
+        static typename OGLWindowCallbacks<CallbackType>::type tmp_callback = callback;
+        if constexpr (CallbackType == KEY) {
+            glfwSetKeyCallback(_window_ptr, [](GLFWwindow*, int a, int b, int c, int d){
+                tmp_callback(this_ptr, a,b,c,d);
+            });
+        } else if constexpr (CallbackType == CHAR) {
+                glfwSetCharCallback(_window_ptr, [](GLFWwindow*, int a) {
+                tmp_callback(this_ptr, a);
+            });
+        } else if constexpr (CallbackType == CHAR_MODS) {
+                glfwSetCharModsCallback(_window_ptr, [](GLFWwindow*, unsigned int a, int b) {
+                tmp_callback(this_ptr, a, b);
+            });
+        } else if constexpr (CallbackType == CURSOR_ENTER) {
+                glfwSetCursorEnterCallback(_window_ptr, [](GLFWwindow*, int a) {
+                tmp_callback(this_ptr, a);
+            });
+        } else if constexpr (CallbackType == CURSOR_POS) {
+            glfwSetCursorPosCallback(_window_ptr, [](GLFWwindow*, double a, double b){
+                tmp_callback(this_ptr, a,b);
+            });
+        } else if constexpr (CallbackType == MOUSE_BUTTON) {
+            glfwSetMouseButtonCallback(_window_ptr, [](GLFWwindow*, int a, int b, int c){
+                tmp_callback(this_ptr, a,b,c);
+            });
+        } else if constexpr (CallbackType == SCROLL) {
+                glfwSetScrollCallback(_window_ptr, [](GLFWwindow*, double a, double b) {
+                tmp_callback(this_ptr, a,b);
+            });
+        } else if constexpr (CallbackType == DROP) {
+                glfwSetDropCallback(_window_ptr, [](GLFWwindow*, int a, const char** b) {
+                tmp_callback(this_ptr, a, b);
+            });
+        } else if constexpr (CallbackType == WINDOW_POS) {
+            glfwSetWindowPosCallback(_window_ptr, [](GLFWwindow*, int a, int b){
+                tmp_callback(this_ptr, a,b);
+            });
+        } else if constexpr (CallbackType == WINDOW_SIZE) {
+            glfwSetWindowSizeCallback(_window_ptr, [](GLFWwindow*, int a, int b){
+                tmp_callback(this_ptr, a,b);
+            });
+        } else if constexpr (CallbackType == WINDOW_CLOSE) {
+            glfwSetWindowCloseCallback(_window_ptr, [](GLFWwindow*){
+                tmp_callback(this_ptr);
+            });
+        } else if constexpr (CallbackType == WINDOW_REFRESH) {
+            glfwSetWindowRefreshCallback(_window_ptr, [](GLFWwindow*){
+                tmp_callback(this_ptr);
+            });
+        } else if constexpr (CallbackType == WINDOW_FOCUS) {
+            glfwSetWindowFocusCallback(_window_ptr, [](GLFWwindow*, int a) {
+                tmp_callback(this_ptr, a);
+            });
+        } else if constexpr (CallbackType == WINDOW_ICONIFY) {
+                glfwSetWindowIconifyCallback(_window_ptr, [](GLFWwindow*, int a) {
+                tmp_callback(this_ptr, a);
+            });
+        } else if constexpr (CallbackType == WINDOW_MAX) {
+                glfwSetWindowMaximizeCallback(_window_ptr, [](GLFWwindow*, int a) {
+                tmp_callback(this_ptr, a);
+            });
+        } else if constexpr (CallbackType == FRAMEBUFFER_SIZE) {
+                glfwSetFramebufferSizeCallback(_window_ptr, [](GLFWwindow*, int a, int b) {
+                tmp_callback(this_ptr, a, b);
+            });
+        } else if constexpr (CallbackType == WINDOW_SCALE) {
+                glfwSetWindowContentScaleCallback(_window_ptr, [](GLFWwindow*, int a, int b) {
+                tmp_callback(this_ptr, a, b);
+            });
+        } else {
+            static_assert(false, "No matching callback.");
+        }
+    }
 };
 
 };

engine/NBGraphics/src/Window.cpp

@@ -1,7 +1,5 @@
 #include <NBGraphics/Window.hpp>
 
-#include <functional>
-
 namespace nb {
 
 using GLFWCodes = GLFWError::Codes;
@@ -50,16 +48,6 @@ bool OGLWindow::TerminateGLFW() {
     return !IsGLFWInitialized();
 }
 
-void OGLWindow::SetHintInteger(const std::array<int, 2>& hint) {
-    CheckForMainThread();
-    glfwWindowHint(hint[0], hint[1]);
-}
-
-void OGLWindow::SetHintString(const std::tuple<int, std::string>& hint) {
-    CheckForMainThread();
-    glfwWindowHintString(std::get<0>(hint), std::get<1>(hint).c_str());
-}
-
 GLFWwindow* OGLWindow::MakeCurrent(const std::shared_ptr<OGLWindow>& window) {
     auto tmp = _currWindow;
     if (window) {
@@ -73,56 +61,14 @@ GLFWwindow* OGLWindow::MakeCurrent(const std::shared_ptr<OGLWindow>& window) {
     return tmp;
 }
 
-std::shared_ptr<OGLWindow> OGLWindow::CreateWindow(
-    unsigned int x,
-    unsigned int y,
-    const std::string& title,
-    const std::vector<std::array<int, 2>>& integerHints,
-    const std::vector<std::tuple<int, std::string>>& stringHints
-) {
-    return std::shared_ptr<OGLWindow>( new OGLWindow(
-        x,
-        y,
-        title,
-        integerHints,
-        stringHints
-    ) );
-}
-
-std::shared_ptr<OGLWindow> OGLWindow::CreateSharedWindow(
-    unsigned int x,
-    unsigned int y,
-    const std::string& title,
-    std::shared_ptr<OGLWindow> sharingWindow,
-    const std::vector<std::array<int, 2>>& integerHints,
-    const std::vector<std::tuple<int, std::string>>& stringHints
-) {
-    return std::shared_ptr<OGLWindow>( new OGLWindow(
-        x,
-        y,
-        title,
-        integerHints,
-        stringHints,
-        sharingWindow->getWindowPtr()
-    ) );
-}
-
 OGLWindow::OGLWindow(
     unsigned int x,
     unsigned int y,
-    const std::string& title,
+    const std::string&,
-    const std::vector<std::array<int, 2>>& integerHints,
-    const std::vector<std::tuple<int, std::string>>& stringHints,
     GLFWwindow* sharingContext
-) : _title(title) {
+) {
     CheckForMainThread();
     InitGLFW();
-    for (const auto& hint : integerHints) {
-        SetHintInteger(hint);
-    }
-    for (const auto& hint : stringHints) {
-        SetHintString(hint);
-    }
     _window_ptr = glfwCreateWindow(
         x,
         y,
@@ -202,37 +148,4 @@ void OGLWindow::setTitle(const std::string& name) {
     glfwSetWindowTitle(_window_ptr, _title.c_str());
 }
 
-template<>
-void OGLWindow::setCallback<OGLWindow::KEY>(std::function<void(OGLWindow*, int, int, int, int)> callback)  {
-    CheckForMainThread();
-    auto tmp = makeCurrent();
-    static auto this_ptr = this;
-    static auto tmp_callback = callback;
-    glfwSetKeyCallback(_window_ptr, [](GLFWwindow*, int a, int b, int c, int d){
-        tmp_callback(this_ptr, a, b, c, d);
-    });
-}
-
-template<>
-void OGLWindow::setCallback<OGLWindow::MOUSE_BUTTON>(std::function<void(OGLWindow*, int, int, int)> callback)  {
-    CheckForMainThread();
-    auto tmp = makeCurrent();
-    static auto this_ptr = this;
-    static auto tmp_callback = callback;
-    glfwSetMouseButtonCallback(_window_ptr, [](GLFWwindow*, int a, int b, int c){
-        tmp_callback(this_ptr, a, b, c);
-    });
-}
-
-template<>
-void OGLWindow::setCallback<OGLWindow::CURSOR_POS>(std::function<void(OGLWindow*, double, double)> callback)  {
-    CheckForMainThread();
-    auto tmp = makeCurrent();
-    static auto this_ptr = this;
-    static auto tmp_callback = callback;
-    glfwSetCursorPosCallback(_window_ptr, [](GLFWwindow*, double a, double b){
-        tmp_callback(this_ptr, a, b);
-    });
-}
-
 };

engine/NBGraphics/tests/TestWindow.cpp

@@ -3,6 +3,7 @@
 #include "stb_image.h"
 
 #include <NBCore/Errors.hpp>
+#include <NBCore/TypeTraits.hpp>
 #include <NBGraphics/Image.hpp>
 #include <NBGraphics/Mesh.hpp>
 #include <NBGraphics/ProgramPipeline.hpp>
@@ -17,8 +18,8 @@ int main() {
         400,
         400,
         "Howdy!", 
-        {{GLFW_CONTEXT_VERSION_MAJOR, 3},
+        nb::KeyVal(GLFW_CONTEXT_VERSION_MAJOR, 3),
-        {GLFW_CONTEXT_VERSION_MINOR, 3}}
+        nb::KeyVal(GLFW_CONTEXT_VERSION_MINOR, 3)
     );
     nb::OGLWindow::MakeCurrent(window);
 
@@ -69,16 +70,19 @@ int main() {
         }}, indxs);
     LOG(prog.log());
 
-    window->setCallback<nb::OGLWindow::KEY>(
+    using nb::WindowCallbacks;
-        (std::function<void(nb::OGLWindow*, int, int, int, int)>)[](nb::OGLWindow* w, int key, int x, int actiom, int mods)->void{
+
+    window->setCallback<nb::KEY>(
+        [](nb::OGLWindow* w, int key, int, int, int)->void{
         if (key == GLFW_KEY_Q) {
             w->shouldClose(true);
         }
     });
-    window->setCallback<nb::OGLWindow::CURSOR_POS>(
+    window->setCallback<nb::CURSOR_POS>(
-        (std::function<void(nb::OGLWindow*, double, double)>)[](nb::OGLWindow* w, double x, double y)->void{
+        [](nb::OGLWindow* w, double x, double y)->void{
             nb::logger.msg("Pos in x is " + std::to_string(x));
-    });
+        }
+    );
     while(!window->shouldClose()) {
         OPENGL_CALL(glClearColor(0.2f, 0.3f, 0.3f, 1.0f));
         OPENGL_CALL(glClear(GL_COLOR_BUFFER_BIT));