CMakeLists.txt

cmake_minimum_required(VERSION 3.0.2)
project(game LANGUAGES CXX)

# Set directory folders
set (PROJECT_INCLUDE_DIR "${PROJECT_SOURCE_DIR}/include")
set (PROJECT_SRC_DIR     "${PROJECT_SOURCE_DIR}/src")
set (PROJECT_ASSETS_DIR  "${PROJECT_SOURCE_DIR}/assets")

# Gets the list of files inside the src directory
file(GLOB_RECURSE SOURCES "${PROJECT_SRC_DIR}/*.cpp"
                          "${PROJECT_SRC_DIR}/*.c")

# Include Headers
include_directories("${PROJECT_INCLUDE_DIR}")


#### Compilation ####

# Compilation Flags
set(COMPILE_FLAGS "")

if (${CMAKE_CXX_COMPILER_ID} STREQUAL Clang)
    set(COMPILE_FLAGS "${COMPILE_FLAGS} -std=c++11 -W -Wall -pedantic -std=c++11 -Wshadow -O2 -g")
elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL GNU)
    set(COMPILE_FLAGS "${COMPILE_FLAGS} -std=c++11 -W -Wall -pedantic -std=c++11 -Wshadow -O2 -g")
elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL MSVC)
    set(COMPILE_FLAGS "${COMPILE_FLAGS} /Wall")
endif()

# Cmake compilation flags redefinition
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMPILE_FLAGS}")



#### Dependencies ####

# Add engine
set (PROJECT_ENGINE_DIR "${PROJECT_SOURCE_DIR}/engine")
add_subdirectory(${PROJECT_ENGINE_DIR})
include_directories(${ENGINE_INCLUDE_DIR})



#### Executable ####

add_executable(game ${SOURCES})

target_link_libraries(game
                      engine
                      SDL2 SDL2_image SDL2_ttf SDL2_mixer)



#### Custom Commands ####

# Copy assets folder to build
add_custom_command(TARGET game POST_BUILD
                   COMMAND ${CMAKE_COMMAND} -E copy_directory
${PROJECT_ASSETS_DIR} ${CMAKE_BINARY_DIR}/assets)