CMakeLists.txt

cmake_minimum_required(VERSION 3.9)
# Compiler flags
if (MSVC)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP /EHsc" CACHE INTERNAL "" FORCE)
elseif(APPLE)
  message("hello apple")
  set(CMAKE_OSX_DEPLOYMENT_TARGET 10.9 CACHE STRING "")
endif()
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

project(Games_Engineering)

#### setup Directories ####
#Main output directory
set(OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin/")
# Ouput all DLLs from all libs into main build folder
set (CMAKE_RUNTIME_OUTPUT_DIRECTORY ${OUTPUT_DIRECTORY})

#### EXTERNAL DEPENDENCIES ####

add_subdirectory("lib/sfml" EXCLUDE_FROM_ALL)
set(SFML_INCS "lib/sfml/include")
link_directories("${CMAKE_BINARY_DIR}/lib/sfml/lib")

add_subdirectory("lib/b2d/Box2D" EXCLUDE_FROM_ALL)
set(B2D_INCS "lib/b2d/Box2D/")
link_directories("${CMAKE_BINARY_DIR}/lib/sfml/lib")



#### ENGINE####

file(GLOB_RECURSE RESOURCE_FILES "res/*.*")

file(GLOB_RECURSE SOURCE_FILES engine/src/*.cpp engine/src/*.h)
add_library(lib_engine STATIC ${SOURCE_FILES} ${RESOURCE_FILES})
target_include_directories(lib_engine INTERFACE "${CMAKE_SOURCE_DIR}/engine/src/" PUBLIC SYSTEM ${B2D_INCS} )
target_link_libraries(lib_engine lib_tile_level_loader lib_maths lib_ecm Box2D sfml-graphics sfml-audio)

## Maths lib
add_library(lib_maths INTERFACE)
target_sources(lib_maths INTERFACE "${CMAKE_SOURCE_DIR}/engine/lib_maths/maths.h")
target_include_directories(lib_maths INTERFACE "${CMAKE_SOURCE_DIR}/engine/lib_maths" INTERFACE ${SFML_INCS})

## Tile loader lib
file(GLOB_RECURSE SOURCE_FILES engine/lib_tile_level_loader/*.cpp engine/lib_tile_level_loader/*.h)
add_library(lib_tile_level_loader STATIC ${SOURCE_FILES} ${RESOURCE_FILES})
target_include_directories(lib_tile_level_loader INTERFACE "${CMAKE_SOURCE_DIR}/engine/lib_tile_level_loader/" )
target_link_libraries(lib_tile_level_loader lib_maths sfml-graphics)

## ECM lib
file(GLOB_RECURSE SOURCE_FILES engine/lib_ecm/*.cpp engine/lib_ecm/*.h)
add_library(lib_ecm STATIC ${SOURCE_FILES})
target_include_directories(lib_ecm INTERFACE "${CMAKE_SOURCE_DIR}/engine/lib_ecm" )
target_link_libraries(lib_ecm PRIVATE lib_maths)



#### BITQUEST ####
file(GLOB_RECURSE SOURCES Code/*.cpp Code/*.h)
file(GLOB_RECURSE CMPNTS Code/components/*.cpp Code/components/*.h)
file(GLOB_RECURSE SCENES Code/scenes/*.cpp Code/scenes/*.h)
add_executable(BITQUEST ${SOURCES} ${RESOURCE_FILES})
source_group("components" FILES ${CMPNTS})
source_group("resources" FILES ${RESOURCE_FILES})
target_link_libraries(BITQUEST lib_engine)
set(EXECUTABLES ${EXECUTABLES} BITQUEST)

 add_custom_target(copy_resources ALL 
    COMMAND ${CMAKE_COMMAND} -E copy_directory "${PROJECT_SOURCE_DIR}/res" ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/$<CONFIGURATION>/res
  )

 set_target_properties(BITQUEST PROPERTIES 
    VS_DEBUGGER_WORKING_DIRECTORY ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/$(Configuration)
  )
  
  add_dependencies(BITQUEST copy_resources)