cmake_minimum_required (VERSION 2.8.4)
project (iceball)

set(CMAKE_SOURCE_DIR src)

set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
	add_definitions(-fno-strict-aliasing -Wall -Wextra -g) # keep debugging symbols even in Release builds
endif ()

include_directories(include)
if (WIN32)
	if (MSVC)
		set_source_files_properties(filename.c PROPERTIES LANGUAGE CXX )
	endif (MSVC)
endif (WIN32)

if (MINGW)
	set(CMAKE_PREFIX_PATH "dist/mingw/enet;dist/mingw/sdl2;dist/mingw/lua51;dist/mingw/sackit;dist/mingw/zlib" CACHE PATH "" FORCE)
elseif (MSVC)
	set(CMAKE_PREFIX_PATH "dist/msvc/enet;dist/msvc/sdl2;dist/msvc/lua51;dist/msvc/sackit;dist/msvc/zlib" CACHE PATH "" FORCE)
endif ()

find_package(ENet REQUIRED)
find_package(SDL2 REQUIRED)
find_package(ZLIB REQUIRED)
find_package(LuaJIT)
if (LUAJIT_FOUND)
	add_definitions(-DUSE_LUAJIT)
	set(LUA_LIBRARIES ${LUA_LIBRARY} m)
else ()
	find_package(Lua REQUIRED)
endif ()
find_package(sackit REQUIRED)
find_package(OpenGL REQUIRED)

include_directories(
	${ENet_INCLUDE_DIRS}
	${sackit_INCLUDE_DIRS}
	${ZLIB_INCLUDE_DIRS}
	${SDL2_INCLUDE_DIR}
	${LUA_INCLUDE_DIR}
)

file(GLOB LUA_FILES src/lua* src/external/bit.c)
set(MAIN_FILES
	src/dsp.c
	src/img.c
	src/json.c
	src/logtxt.c
	src/main.c
	src/map.c
	src/model.c
	src/network.c
	src/path.c
	src/png.c
	src/random.c
	src/vecmath.c
	src/wav.c
)

set(GL_FILES
	src/gl/glad.c
	src/gl/render.c
	src/gl/render_img.c
)

source_group(gl FILES ${GL_FILES})
source_group(lua FILES ${LUA_FILES})

# iceball target
add_executable(iceball ${MAIN_FILES} ${LUA_FILES} ${GL_FILES})
target_link_libraries(iceball ${CMAKE_DL_LIBS} ${ENet_LIBRARIES} ${ZLIB_LIBRARIES} ${sackit_LIBRARY} ${LUA_LIBRARIES} ${SDL2_LIBRARIES} ${OPENGL_LIBRARIES})
set_target_properties(iceball PROPERTIES C_STANDARD 99)

# iceball-dedi target
add_executable(iceball-dedi EXCLUDE_FROM_ALL ${MAIN_FILES} ${LUA_FILES})
target_link_libraries(iceball-dedi ${CMAKE_DL_LIBS} ${ENet_LIBRARIES} ${ZLIB_LIBRARIES} ${LUA_LIBRARIES} ${SDL_LIBRARY})
set_target_properties(iceball-dedi PROPERTIES C_STANDARD 99)
set_target_properties(iceball-dedi PROPERTIES COMPILE_DEFINITIONS "DEDI")

function(copy_run_dep arg1)
	add_custom_command(TARGET iceball POST_BUILD
		COMMAND ${CMAKE_COMMAND} -E copy_if_different
			"${PROJECT_SOURCE_DIR}/${arg1}"
			$<TARGET_FILE_DIR:iceball>)
endfunction()

if (MINGW)
	copy_run_dep(dist/mingw/sdl2/bin/libSDL2.dll)
	copy_run_dep(dist/mingw/lua51/bin/liblua.dll)
	copy_run_dep(dist/mingw/zlib/bin/libzlib.dll)
elseif (MSVC)
	copy_run_dep(dist/msvc/sdl2/bin/SDL2.dll)
	copy_run_dep(dist/msvc/lua51/bin/lua.dll)
	copy_run_dep(dist/msvc/zlib/bin/zlib.dll)
endif ()