Add basic Linux+CMake support!

.gitignore

@@ -2,6 +2,7 @@
 .vs/
 bin/
 bin-int/
+*build*/
 
 # Files
 *.vcxproj

CMakeLists.txt

@@ -0,0 +1,14 @@
+cmake_minimum_required (VERSION 3.13)
+
+project(Walnut)
+
+find_package(Vulkan REQUIRED)
+
+# TODO: Figure out how to allow later standards
+if(NOT DEFINED CMAKE_CXX_STANDARD)
+	set(CMAKE_CXX_STANDARD 17)
+endif()
+
+add_subdirectory(vendor)
+add_subdirectory(Walnut)
+add_subdirectory(WalnutApp)

Walnut/CMakeLists.txt

@@ -0,0 +1,25 @@
+file(GLOB_RECURSE Walnut_SRC LIST_DIRECTORIES false src/*.cpp)
+
+add_library(Walnut STATIC ${Walnut_SRC})
+target_include_directories(Walnut PUBLIC src)
+# set_property(TARGET Walnut PROPERTY POSITION_INDEPENDENT_CODE ON)
+
+# setup internal project compile definition
+if(WIN32)
+    target_compile_definitions(Walnut PRIVATE WL_PLATFORM_WINDOWS)
+endif()
+
+if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+    target_compile_definitions(Walnut PRIVATE WL_DEBUG)
+elseif(CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
+    target_compile_definitions(Walnut PRIVATE WL_RELEASE)
+elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
+    target_compile_definitions(Walnut PRIVATE WL_DIST)
+endif()
+
+target_link_libraries(Walnut PUBLIC imgui glfw glm::glm stb_image Vulkan::Vulkan)
+if(WIN32)
+    target_link_libraries(Walnut PUBLIC dwmapi)
+endif()
+
+install(TARGETS Walnut DESTINATION bin)

Walnut/src/Walnut/EntryPoint.h

@@ -1,7 +1,5 @@
 #pragma once
 
-#ifdef WL_PLATFORM_WINDOWS
-
 extern Walnut::Application* Walnut::CreateApplication(int argc, char** argv);
 bool g_ApplicationRunning = true;
 
@@ -21,7 +19,7 @@ namespace Walnut {
 
 }
 
-#ifdef WL_DIST
+#if defined(WL_DIST) && defined(WL_PLATFORM_WINDOWS)
 
 #include <Windows.h>
 
@@ -37,6 +35,4 @@ int main(int argc, char** argv)
 	return Walnut::Main(argc, argv);
 }
 
-#endif // WL_DIST
-
-#endif // WL_PLATFORM_WINDOWS
+#endif // WL_DIST && WL_PLATFORM_WINDOWS

WalnutApp/CMakeLists.txt

@@ -0,0 +1,20 @@
+file(GLOB_RECURSE WalnutApp_SRC LIST_DIRECTORIES false src/*.cpp)
+
+add_executable(WalnutApp ${WalnutApp_SRC})
+target_include_directories(WalnutApp PRIVATE src)
+target_link_libraries(WalnutApp PRIVATE Walnut)
+
+# setup internal project compile definition
+if(WIN32)
+    target_compile_definitions(Walnut PRIVATE WL_PLATFORM_WINDOWS)
+endif()
+
+if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+    target_compile_definitions(WalnutApp PRIVATE WL_DEBUG)
+elseif(CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
+    target_compile_definitions(WalnutApp PRIVATE WL_RELEASE)
+elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
+    target_compile_definitions(WalnutApp PRIVATE WL_DIST)
+endif()
+
+install(TARGETS WalnutApp DESTINATION bin)

vendor/CMakeLists.txt

@@ -0,0 +1,16 @@
+# Setup vendor libraries
+## IMGUI (No CMake support, we have to roll or own)
+set(imgui_SRC imgui/imgui.cpp imgui/imgui_draw.cpp imgui/imgui_tables.cpp imgui/imgui_widgets.cpp imgui/imgui_demo.cpp)
+add_library(imgui STATIC ${imgui_SRC})
+target_include_directories(imgui PUBLIC imgui)
+set_property(TARGET imgui PROPERTY POSITION_INDEPENDENT_CODE ON)
+
+## GLFW (comes with its own CMakeLists, let's use that)
+add_subdirectory(GLFW)
+
+## glm (comes with its own CMakeLists, let's use that)
+add_subdirectory(glm)
+
+## stb_image (header-only, create a dummy interface library)
+add_library(stb_image INTERFACE)
+target_include_directories(stb_image INTERFACE stb_image)