Add linux support

* Linux support
* EppoEditor and Engine building on linux
* EppoTesting now also building
* Update cmake
* Add .csproj for linux build
* Linux build support

.gitignore

@@ -1,9 +1,12 @@
 # IDE
+.idea
 .vs
 .vscode
+cmake-build-debug
+cmake-build-release
+build
 
 *.vcxproj*
-*.csproj*
 *.sln
 
 Makefile

CMakeLists.txt

@@ -0,0 +1,35 @@
+cmake_minimum_required(VERSION 3.24)
+project(EppoEngine)
+
+if(WIN32)
+    add_compile_definitions(EPPO_PLATFORM_WINDOWS VK_USE_PLATFORM_WIN32_KHR)
+elseif(UNIX)
+    add_compile_definitions(EPPO_PLATFORM_LINUX)
+endif()
+
+if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+    add_compile_definitions(EPPO_DEBUG)
+else()
+    add_compile_definitions(EPPO_RELEASE)
+endif()
+
+# Dependencies
+if(DEFINED ENV{VULKAN_SDK})
+    link_directories(AFTER $ENV{VULKAN_SDK}/lib)
+else()
+    message(FATAL_ERROR "'VULKAN_SDK' not found in environment variables!")
+endif()
+
+set(CMAKE_LIBRARY_ARCHIVE_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+
+add_subdirectory(EppoEngine/Vendor/bullet)
+add_subdirectory(EppoEngine/Vendor/glfw)
+add_subdirectory(EppoEngine/Vendor/imgui)
+add_subdirectory(EppoEngine/Vendor/yaml-cpp)
+add_subdirectory(EppoEngine/Vendor/googletest)
+
+add_subdirectory(EppoEngine)
+add_subdirectory(EppoEditor)
+add_subdirectory(EppoTesting)

EppoEditor/CMakeLists.txt

@@ -0,0 +1,30 @@
+cmake_minimum_required(VERSION 3.24)
+
+project(EppoEditor VERSION 1.0 LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# Sources
+file(GLOB_RECURSE SOURCES
+    "Source/*.cpp"
+)
+
+# Includes
+set(INCLUDE_DIRS
+    "Source"
+    "Vendor/imgui"
+    ${CMAKE_SOURCE_DIR}/EppoEngine/Source
+)
+
+add_executable(${PROJECT_NAME} ${SOURCES})
+
+target_compile_options(${PROJECT_NAME} PRIVATE ${mono_CFLAGS})
+target_link_options(${PROJECT_NAME} PRIVATE ${mono_LDFLAGS})
+target_include_directories(${PROJECT_NAME} PRIVATE ${INCLUDE_DIRS})
+target_link_libraries(${PROJECT_NAME} PRIVATE
+    EppoEng glfw imgui yaml-cpp
+    ${BULLET_COLLISION_LIBRARY} ${BULLET_DYNAMICS_LIBRARY} ${BULLET_MATH_LIBRARY} ${BULLET_SOFTBODY_LIBRARY}
+    ${mono_LIBRARIES}
+    ${Vulkan_LIBRARY} shaderc_combined spirv-cross-core spirv-cross-glsl
+)

EppoEditor/Source/EditorLayer.cpp

@@ -5,7 +5,7 @@
 #include "Panel/PropertyPanel.h"
 #include "Panel/SceneHierarchyPanel.h"
 
-#include <imgui/imgui.h>
+#include <imgui.h>
 
 #include <fstream>
 

EppoEditor/Source/EppoEditor.cpp

@@ -3,11 +3,6 @@
 
 #include "EditorLayer.h"
 
-extern "C" {
-	_declspec(dllexport) DWORD AmdPowerXpressRequestHighPerformance = 0x00000001;
-	_declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
-}
-
 namespace Eppo
 {
 	class Editor : public Application

EppoEditor/Source/Panel/PanelManager.h

@@ -8,7 +8,7 @@ namespace Eppo
 {
 	struct PanelData
 	{
-		Ref<Panel> Panel;
+		Ref<Eppo::Panel> Panel;
 		bool IsOpen = false;
 	};
 

EppoEditor/Source/ThumbnailCache.h

@@ -7,7 +7,7 @@ namespace Eppo
 	struct Thumbnail
 	{
 		uint64_t Timestamp;
-		Ref<Image> Image;
+		Ref<Eppo::Image> Image;
 	};
 
 	class ThumbnailCache

EppoEngine/CMakeLists.txt

@@ -0,0 +1,63 @@
+cmake_minimum_required(VERSION 3.24)
+
+project(EppoEng VERSION 1.0 LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# Sources
+file(GLOB_RECURSE SOURCES
+    "Source/*.cpp"
+    "Vendor/stb/stb_image.cpp"
+    "Vendor/tinygltf/tinygltf.cpp"
+    "Vendor/volk/volk.cpp"
+)
+
+foreach(item IN LISTS SOURCES)
+    if(WIN32)
+        if(item MATCHES "Source/Platform/Linux/.*\\.cpp$")
+            list(REMOVE_ITEM SOURCES ${item})
+        endif()
+    elseif(UNIX)
+        if(item MATCHES "Source/Platform/Windows/.*\\.cpp$")
+            list(REMOVE_ITEM SOURCES ${item})
+        endif()
+    endif()
+endforeach()
+
+# Includes
+set(INCLUDE_DIRS
+    "Source"
+    "Vendor/bullet/include"
+    "Vendor/bullet/include/bullet"
+    "Vendor/entt/single_include"
+    "Vendor/filewatch"
+    "Vendor/glfw/include"
+    "Vendor/glm"
+    "Vendor/imgui"
+    "Vendor/mono/include"
+    "Vendor/spdlog/include"
+    "Vendor/stb"
+    "Vendor/tinygltf"
+    "Vendor/tracy/public"
+    "Vendor/vulkan-memory-allocator"
+    "Vendor/volk"
+    "Vendor/yaml-cpp/include"
+)
+
+# Externals
+include(FindPkgConfig)
+set(ENV{PKG_CONFIG_PATH} "/usr/local/bin/lib/pkgconfig")
+pkg_search_module(mono REQUIRED mono-2)
+find_package(Bullet REQUIRED)
+find_package(Vulkan REQUIRED)
+
+add_library(${PROJECT_NAME} STATIC ${SOURCES})
+
+if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+    target_compile_definitions(${PROJECT_NAME} PRIVATE TRACY_ENABLE TRACY_ONLY_LOCALHOST)
+endif()
+
+target_compile_definitions(${PROJECT_NAME} PRIVATE VK_NO_PROTOTYPES)
+target_include_directories(${PROJECT_NAME} PUBLIC ${INCLUDE_DIRS} ${Vulkan_INCLUDE_DIRS} ${BULLET_INCLUDE_DIR})
+target_precompile_headers(${PROJECT_NAME} PRIVATE Source/pch.h)

EppoEngine/Source/Core/Assert.h

@@ -2,7 +2,7 @@
 
 #include "Core/Base.h"
 
-#include <signal.h>
+#include <csignal>
 
 #ifdef EPPO_ENABLE_ASSERTS
 	#if defined(EPPO_PLATFORM_WINDOWS)