CMakeLists.txt

cmake_minimum_required(VERSION 3.15)

project(MARS)

if(MSVC)
	add_definitions(/Wall)
else()
	add_definitions(-c -Wall -msse2 -Wextra)
endif()

if ( CMAKE_BUILD_TYPE STREQUAL "" )
	set(
		CMAKE_BUILD_TYPE
			"Debug"
		CACHE STRING
			"Choose the type of build, options are: None (CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) \"DebugEditor\" \"Debug\" \"VerboseDebug\" \"Shipping\"."
		FORCE
	)
endif ( CMAKE_BUILD_TYPE STREQUAL "" )

if ( CMAKE_BUILD_TYPE STREQUAL "Debug" )
add_definitions( -O2 )
endif ( CMAKE_BUILD_TYPE STREQUAL "Debug" )

if ( CMAKE_BUILD_TYPE STREQUAL "VerboseDebug" )
add_definitions( -O4 )
endif ( CMAKE_BUILD_TYPE STREQUAL "VerboseDebug" )

# Begin MARS
file(GLOB_RECURSE HDRS
	${MARS_SOURCE_DIR}/Engine/Platform/*.h
	${MARS_SOURCE_DIR}/Engine/Platform/*.hpp
	${MARS_SOURCE_DIR}/Engine/Classes/*.h
	${MARS_SOURCE_DIR}/Engine/Classes/*.hpp
	${MARS_SOURCE_DIR}/Engine/*.h
	${MARS_SOURCE_DIR}/Engine/*.hpp
)

file(GLOB_RECURSE SRCS
	${MARS_SOURCE_DIR}/Engine/Platform/*.cpp
	${MARS_SOURCE_DIR}/Engine/Platform/*.cc
	${MARS_SOURCE_DIR}/Engine/Platform/*.c
	${MARS_SOURCE_DIR}/Engine/Source/*.cpp
	${MARS_SOURCE_DIR}/Engine/Source/*.cc
	${MARS_SOURCE_DIR}/Engine/Source/*.c
	${MARS_SOURCE_DIR}/Engine/*.cpp
	${MARS_SOURCE_DIR}/Engine/*.cc
	${MARS_SOURCE_DIR}/Engine/*.c
)

file(GLOB_RECURSE EDITOR_HDRS
	${MARS_SOURCE_DIR}/Editor/Classes/*.h
	${MARS_SOURCE_DIR}/Editor/Classes/*.hpp
	${MARS_SOURCE_DIR}/Editor/Platform/*.h
	${MARS_SOURCE_DIR}/Editor/*.h
	${MARS_SOURCE_DIR}/Editor/*.hpp
)

file(GLOB_RECURSE EDITOR_SRCS
	${MARS_SOURCE_DIR}/Editor/Source/*.cpp
	${MARS_SOURCE_DIR}/Editor/Source/*.c
	${MARS_SOURCE_DIR}/Editor/Platform/*.c
	${MARS_SOURCE_DIR}/Editor/Platform/*.cpp
	${MARS_SOURCE_DIR}/Editor/Source/*.cc
	${MARS_SOURCE_DIR}/Editor/*.cpp
	${MARS_SOURCE_DIR}/Editor/*.c
	${MARS_SOURCE_DIR}/Editor/*.cc
)

find_package(OpenGL REQUIRED)

include_directories(
	${MARS_SOURCE_DIR}/Engine/Classes
	${MARS_SOURCE_DIR}/Engine/Source
	${MARS_SOURCE_DIR}/Engine/Platform
	${MARS_SOURCE_DIR}/Engine/
	${MARS_SOURCE_DIR}/Thirdparty/Includes/
	${OPENGL_INCLUDE_DIRS}
)

link_directories(
	${MARS_SOURCE_DIR}/Thirdparty/Libs
)

add_library(MARS STATIC ${HDRS} ${SRCS})

add_library(ImGui STATIC 
	${MARS_SOURCE_DIR}/Thirdparty/Includes/imgui/imgui.cpp
	${MARS_SOURCE_DIR}/Thirdparty/Includes/imgui/imgui.h
	${MARS_SOURCE_DIR}/Thirdparty/Includes/imgui/imgui_demo.cpp
	${MARS_SOURCE_DIR}/Thirdparty/Includes/imgui/imgui_draw.cpp
	${MARS_SOURCE_DIR}/Thirdparty/Includes/imgui/imgui_internal.h
	${MARS_SOURCE_DIR}/Thirdparty/Includes/imgui/imgui_widgets.cpp
	${MARS_SOURCE_DIR}/Thirdparty/Includes/imgui/imstb_rectpack.h
	${MARS_SOURCE_DIR}/Thirdparty/Includes/imgui/imstb_textedit.h
	${MARS_SOURCE_DIR}/Thirdparty/Includes/imgui/imstb_truetype.h
	${MARS_SOURCE_DIR}/Thirdparty/Includes/imgui/imconfig.h
	${MARS_SOURCE_DIR}/Thirdparty/Includes/imgui/examples/imgui_impl_glfw.h
	${MARS_SOURCE_DIR}/Thirdparty/Includes/imgui/examples/imgui_impl_glfw.cpp
	${MARS_SOURCE_DIR}/Thirdparty/Includes/imgui/examples/imgui_impl_opengl3.h
	${MARS_SOURCE_DIR}/Thirdparty/Includes/imgui/examples/imgui_impl_opengl3.cpp
)
target_link_libraries(MARS ImGui)

target_link_libraries( MARS
	${OPENGL_LIBRARIES}
	glfw3.lib
	assimp.lib
	SDL2.lib
	SDL2main.lib
	#SDL2test.lib
	#ImGui.lib
)
# End MARS

# Begin MARSEditor


add_executable(MARSEditor ${EDITOR_HDRS} ${EDITOR_SRCS})
target_link_libraries(MARSEditor MARS)

set_property(DIRECTORY ${MARS_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT MARSEditor)
# End MARSEditor

set_target_properties(MARS PROPERTIES CXX_STANDARD 17)

if(WIN32)
	string(REPLACE "/" "\\" source_path_windows "${MARS_SOURCE_DIR}/Resources")
	string(REPLACE "/" "\\" build_path_windows "${MARS_BINARY_DIR}/Resources")
	execute_process(COMMAND cmd.exe /c mklink /J "${build_path_windows}" "${source_path_windows}" RESULT_VARIABLE exitcode)
else()
	execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${MARS_SOURCE_DIR}/Resources ${MARS_BINARY_DIR}/Resources RESULT_VARIABLE exitcode)
endif()

if(NOT ${exitcode} EQUAL 0)
	MESSAGE("SYMLINKING FAILED: ${exitcode}")
	MESSAGE("FALLING BACK TO COPYING")
endif()

file(GLOB_RECURSE RES RELATIVE ${MARS_SOURCE_DIR}/Resources/ ${MARS_SOURCE_DIR}/Resources/*.*)
foreach(file IN LISTS RES)
	configure_file(${MARS_SOURCE_DIR}/Resources/${file} ${MARS_BINARY_DIR}/Resources/${file} COPYONLY)
endforeach()

if(MSVC_IDE)
	foreach(source IN LISTS SRCS HDRS)
		get_filename_component(source_path "${source}" PATH)
		string(REPLACE "${MARS_SOURCE_DIR}" "" relative_source_path "${source_path}")
		string(REPLACE "/" "\\" source_path_msvc "${relative_source_path}")
		source_group("${source_path_msvc}" FILES "${source}")
	endforeach()
endif()