cmake_minimum_required(VERSION 3.16.0)

set(CMAKE_C_STANDARD 90)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

project(IC_Explorer)

find_package(PkgConfig REQUIRED)

pkg_check_modules(SDL2 REQUIRED sdl2 SDL2_mixer SDL2_image SDL2_ttf)

function(add_resources out_var)
  set(result)
  foreach(in_f ${ARGN})
    file(RELATIVE_PATH src_f ${CMAKE_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/${in_f})
    set(out_f ${PROJECT_BINARY_DIR}/${in_f}.o)
    get_filename_component(f_name ${src_f} NAME)
    get_filename_component(f_dir ${src_f} DIRECTORY)
    file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/${f_dir})
    add_custom_command(OUTPUT ${out_f}
      COMMAND ld -r -b binary -o ${out_f} ${f_name}
      DEPENDS ${in_f}
      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/${f_dir}
      COMMENT "Building resource ${out_f}"
      VERBATIM)
    list(APPEND result ${out_f})
  endforeach()
  set(${out_var} "${result}" PARENT_SCOPE)
endfunction()

add_resources(RESOURCES assets/font.ttf assets/background.png
  assets/button.png assets/button-pressed.png assets/mute.png
  assets/volume.png assets/bgm.wav assets/hover.wav assets/click.wav
  assets/release.wav)

include_directories(${SDL2_INCLUDE_DIRS})
link_directories(${SDL2_LIBRARY_DIRS})
add_definitions(${SDL2_CFLAGS_OTHER} "-Wall")

add_executable(IC_Explorer main.c window.c button.c textbox.c ${RESOURCES})

target_link_libraries(IC_Explorer ${SDL2_LIBRARIES})