cmake_minimum_required (VERSION 3.2.0)

SET(CMAKE_COLOR_MAKEFILE ON)

project(breakhack C)

set(breakhack_GAME_TITLE "BreakHack")
set(breakhack_MAJOR_VERSION 4)
set(breakhack_MINOR_VERSION 0)
set(breakhack_PATCH_VERSION 3)
set(breakhack_RELEASE_TYPE "")

# Checksums
set(breakhack_STEAMAPI_DLL_CHECKSUM 0x18dba28)
set(breakhack_STEAMAPI_SO_CHECKSUM 0x1f5786b)

include(FindLua)
include(FindPhysFS)
include(build/cmake/FindSDL2.cmake)
include(build/cmake/FindSDL2_image.cmake)
include(build/cmake/FindSDL2_ttf.cmake)
include(build/cmake/FindSDL2_mixer.cmake)
include(build/cmake/FindCCache.cmake)
include(build/cmake/FindCMocka.cmake)
include(build/cmake/Findcppcheck.cmake)

configure_file(
	"${PROJECT_SOURCE_DIR}/src/config.h.in"
	"${PROJECT_BINARY_DIR}/config.h"
	)

macro(set_option option value)
	set(${option} ${value} CACHE INTERNAL "" FORCE)
endmacro()

if (EXISTS "${PROJECT_SOURCE_DIR}/steamworks_c_wrapper/sdk")
	MESSAGE ( STATUS "Steam SDK located, Steam build enabled")
	set(STEAM 1)
else ()
	MESSAGE ( STATUS "Steam SDK not found, Steam build disabled")
endif()

if (STEAM)
	add_subdirectory(steamworks_c_wrapper)
endif()
add_subdirectory(bh_random)
add_subdirectory(checksum)

if ("${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
	set(CLANG 1)
elseif ("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU")
	set(GCC 1)
endif()

if ("${CMAKE_GENERATOR}" STREQUAL "Ninja")
	set(NINJA 1)
endif()

if ("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
	set(OSX 1)
endif()

set (default_build_type "Release")
if (NOT CMAKE_BUILD_TYPE AND default_build_type)
	message( STATUS "Setting default buildtype to '${default_build_type}' as none was specified")
	set(CMAKE_BUILD_TYPE "${default_build_type}")
endif ()

# Deal with travis compile issue
if (CCACHE_FOUND AND CLANG)
	add_definitions(-Qunused-arguments -fcolor-diagnostics)
endif()

if (CMAKE_BUILD_TYPE MATCHES "Debug")
	set(DEBUG_BUILD TRUE)
endif()

IF ( MSVC )
    MESSAGE ( STATUS "Setting MSVC MT switches")
		string (REPLACE
			"/MDd"
			"/MTd"
			CMAKE_C_FLAGS_DEBUG
			${CMAKE_C_FLAGS_DEBUG}
    )
		string (REPLACE
			"/MDd"
			"/MTd"
			CMAKE_C_FLAGS_RELEASE
			${CMAKE_C_FLAGS_RELEASE}
    )
ELSEIF ( WIN32 )
    SET (
      CMAKE_C_FLAGS_DEBUG
      "${CMAKE_C_FLAGS_DEBUG} -mconsole"
    )
    SET (
      CMAKE_C_FLAGS_RELEASE
      "${CMAKE_C_FLAGS_RELEASE} -mwindows"
    )
ENDIF ()
IF ( GCC OR CLANG )
    SET (
      CMAKE_C_FLAGS_DEBUG
        "${CMAKE_C_FLAGS_DEBUG} -fsanitize=address -fno-omit-frame-pointer"
		)
ENDIF ( GCC OR CLANG )

if (STEAM)
	include_directories(
	${STEAMWORKS_INCLUDE_DIR}
	steamworks_c_wrapper/src
	)
endif ()

if (NOT LUA_FOUND OR STEAM)
	add_subdirectory(lua-5.3.5)
	include_directories(lua-5.3.5/src)
	set(LUA_LIBRARIES lua)
	set(LUA_INCLUDE_DIR lua-5.3.5/src)
endif ()

if (NOT PHYSFS_FOUND OR STEAM)
	set_option(PHYSFS_BUILD_SHARED off)
	set_option(PHYSFS_BUILD_TEST off)
	add_subdirectory(physfs-3.0)
	include_directories(physfs-3.0/src)
	set(PHYSFS_LIBRARY physfs-static)
	set(PHYSFS_INCLUDE_DIR physfs-3.0/src)
endif ()

include_directories(
	${PROJECT_BINARY_DIR}
	${SDL2_INCLUDE_DIR}
	${SDL2_IMAGE_INCLUDE_DIR}
	${SDL2_TTF_INCLUDE_DIR}
	${SDL2_MIXER_INCLUDE_DIR}
	${PHYSFS_INCLUDE_DIR}
	${LUA_INCLUDE_DIR}
	sqlite3
	bh_random/src
	checksum/src
	)

if (CMOCKA_FOUND)
	include_directories(
		${CMOCKA_INCLUDE_DIR}
		)
endif(CMOCKA_FOUND)

if (NOT MSVC)
	add_definitions(-std=gnu11
		-pedantic -Wall -Wextra -Wshadow
		-Wpointer-arith -Wcast-qual
		-Wstrict-prototypes
		-Wmissing-prototypes
		-Wconversion -Wno-sign-conversion
		)
	if (NOT APPLE)
		add_definitions(-static -static-libgcc -static-libstdc++)
	endif ()
endif (NOT MSVC)

set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DDEBUG")
if (STEAM)
	set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DSTEAM_BUILD")
	set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DSTEAM_BUILD")
	set(STEAM_SOURCES
		src/steam/steamworks_api_wrapper
		)
else ()
	set(STEAM_SOURCES "")
endif ()

if (MINGW)
	set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DMINGW")
endif (MINGW)

if (NOT MSVC)
	set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D__FNAME__='\"$(subst ${CMAKE_SOURCE_DIR}/,,$(abspath $<))\"'")
else ()
	set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D__FNAME__=__FILE__")
endif ()

# PROGRAMS:
add_executable(breakhack
	src/main
	src/texture
	src/screenresolution
	src/sprite
	src/sprite_util
	src/util
	src/event
	src/player
	src/save
	src/map
	src/map_lua
	src/camera
	src/timer
	src/roommatrix
	src/position
	src/monster
	src/stats
	src/actiontext
	src/random
	src/time
	src/linkedlist
	src/hashtable
	src/gui
	src/item
	src/item_builder
	src/pointer
	src/gui_button
	src/particle_engine
	src/particle_emitter
	src/menu
	src/collisions
	src/keyboard
	src/input
	src/mixer
	src/io_util
	src/physfsrwops
	src/skillbar
	src/texturecache
	src/skill
	src/projectile
	src/vector2d
	src/map_room_modifiers
	sqlite3/sqlite3
	src/db
	src/settings
	src/actiontextbuilder
	src/animation
	src/trap
	src/artifact
	src/screen
	src/hiscore
	src/object
	src/gui_util
	src/tooltip
	src/gamecontroller
	src/effect_util
	${STEAM_SOURCES}
	)

if (MSVC)
	source_group("Header files" REGULAR_EXPRESSION ".*\\.h")
	source_group("Source files" REGULAR_EXPRESSION ".*\\.c")
endif ()

# Sqlite has some warnings that I we don't need to see
set_source_files_properties(sqlite3/sqlite3.c COMPILE_FLAGS -w)

target_link_libraries(breakhack
	${CMAKE_DL_LIBS} # Sqlite needs DL libs
	${SDL2_LIBRARY}
	${SDL2MAIN_LIBRARY}
	${SDL2_IMAGE_LIBRARY}
	${SDL2_TTF_LIBRARY}
	${SDL2_MIXER_LIBRARY}
	${LUA_LIBRARIES}
	${PHYSFS_LIBRARY}
	bh_random
	checksum
	)

if (STEAM)
	target_link_libraries(breakhack
		steamworks_c_wrapper
		)
endif ()

if (MSVC)
	set_target_properties(breakhack PROPERTIES LINK_FLAGS_DEBUG "/SUBSYSTEM:CONSOLE /NODEFAULTLIB:MSVCRTD")
	set_target_properties(breakhack PROPERTIES COMPILE_DEFINITIONS_DEBUG "_CONSOLE")
	set_target_properties(breakhack PROPERTIES LINK_FLAGS_RELWITHDEBINFO "/SUBSYSTEM:CONSOLE")
	set_target_properties(breakhack PROPERTIES COMPILE_DEFINITIONS_RELWITHDEBINFO "_CONSOLE")
	set_target_properties(breakhack PROPERTIES LINK_FLAGS_RELEASE "/SUBSYSTEM:WINDOWS /NODEFAULTLIB:MSVCRTD")
	set_target_properties(breakhack PROPERTIES LINK_FLAGS_MINSIZEREL "/SUBSYSTEM:WINDOWS")
endif (MSVC)

# TESTS:
IF (CMOCKA_FOUND AND NOT OSX AND NOT CLANG)
	find_package(Threads REQUIRED)
	enable_testing()
	add_executable(test_util test/test_util src/util)
	target_link_libraries(test_util ${CMOCKA_LIBRARY})
	add_test(test_util test_util)

	add_executable(test_linkedlist test/test_linkedlist src/linkedlist src/util)
	target_link_libraries(test_linkedlist ${CMOCKA_LIBRARY})
	add_test(test_linkedlist test_linkedlist)

	add_executable(test_hashtable test/test_hashtable src/hashtable src/util)
	target_link_libraries(test_hashtable ${CMOCKA_LIBRARY})
	add_test(test_hashtable test_hashtable)

	add_executable(test_input test/test_input src/input src/keyboard)
	target_link_libraries(test_input
		${CMOCKA_LIBRARY}
		${SDL2_LIBRARY}
		${SDL2MAIN_LIBRARY}
		)
	#set_target_properties(test_input PROPERTIES
	#LINK_FLAGS "-Wl,--wrap,keyboard_direction_press -Wl,--wrap,keyboard_press")
	add_test(test_input test_input)
ENDIF ()

# LINT:
if (CPPCHECK_FOUND)
	add_custom_target(lint
		COMMAND ${CPPCHECK_EXECUTABLE} --force --language=c --template=gcc --error-exitcode=1 --quiet --suppress=unreadVariable --suppress=missingInclude --enable=warning,style,performance,portability,information,missingInclude src/
		WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
		COMMENT "Run cppcheck"
		)
endif (CPPCHECK_FOUND)

if (NOT DEBUG_BUILD)
	add_custom_target(assets_pack ALL
		COMMAND ${CMAKE_COMMAND} -E tar "-cf" "../assets.pack" "--format=zip" --
			"${CMAKE_CURRENT_SOURCE_DIR}/assets/Characters"
			"${CMAKE_CURRENT_SOURCE_DIR}/assets/Commissions"
			"${CMAKE_CURRENT_SOURCE_DIR}/assets/GUI"
			"${CMAKE_CURRENT_SOURCE_DIR}/assets/Items"
			"${CMAKE_CURRENT_SOURCE_DIR}/assets/Objects"
			"${CMAKE_CURRENT_SOURCE_DIR}/assets/Sounds"
			"${CMAKE_CURRENT_SOURCE_DIR}/assets/Extras"
		WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/assets
		)

	add_custom_target(data_pack ALL
		COMMAND ${CMAKE_COMMAND} -E tar "-cf" "../data.pack" "--format=zip" --
			"mapgen.lua"
			"maproombuilder.lua"
			"menumapgen.lua"
			"monstergen.lua"
			"trapgen.lua"
			"chestgen.lua"
			"layoutparser.lua"
			"pitlayouts.dat"
			"walllayouts.dat"
			"shoplayouts.dat"
			"lockedroomlayouts.dat"
		WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/data
		)
endif ()

SET(CMAKE_INSTALL_SYSTEM_RUNTIME_COMPONENT "Release")
SET(CMAKE_INSTALL_SYSTEM_RUNTIME_DESTINATION ".")
if (WIN32)
	SET(CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS
		${CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS}
		${CMAKE_SOURCE_DIR}/bin/libFLAC-8.dll
		${CMAKE_SOURCE_DIR}/bin/libfreetype-6.dll
		${CMAKE_SOURCE_DIR}/bin/libmodplug-1.dll
		${CMAKE_SOURCE_DIR}/bin/libmpg123-0.dll
		${CMAKE_SOURCE_DIR}/bin/libogg-0.dll
		${CMAKE_SOURCE_DIR}/bin/libpng16-16.dll
		${CMAKE_SOURCE_DIR}/bin/libvorbis-0.dll
		${CMAKE_SOURCE_DIR}/bin/libvorbisfile-3.dll
		${CMAKE_SOURCE_DIR}/bin/SDL2.dll
		${CMAKE_SOURCE_DIR}/bin/SDL2_image.dll
		${CMAKE_SOURCE_DIR}/bin/SDL2_mixer.dll
		${CMAKE_SOURCE_DIR}/bin/SDL2_ttf.dll
		${CMAKE_SOURCE_DIR}/bin/zlib1.dll
		)
	if (STEAM)
		SET(CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS
			${CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS}
			steamworks_c_wrapper/sdk/redistributable_bin/steam_api.dll
			)
	endif ()
else (WIN32)
	if (STEAM)
		SET(CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS
			${CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS}
			steamworks_c_wrapper/sdk/redistributable_bin/linux64/libsteam_api.so
			build/linux/breakhack.run
			)
	endif ()
endif (WIN32)
include(InstallRequiredSystemLibraries)

INSTALL(TARGETS breakhack
	COMPONENT Release
	RUNTIME DESTINATION .
)
INSTALL(FILES assets.pack data.pack
	COMPONENT Release
	DESTINATION .
)

set(CPACK_INSTALL_CMAKE_PROJECTS "${PROJECT_BINARY_DIR};breakhack;Release;.")
set(CPACK_PACKAGE_NAME "BreakHack")
set(CPACK_PACKAGE_VENDOR "OliveShark")
set(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/README.md")
set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.txt")
set(CPACK_PACKAGE_DIRECTORY ${PROJECT_BINARY_DIR}/package)
set(CPACK_PACKAGE_VERSION_MAJOR ${breakhack_MAJOR_VERSION})
set(CPACK_PACKAGE_VERSION_MINOR ${breakhack_MINOR_VERSION})
set(CPACK_PACKAGE_VERSION_PATCH ${breakhack_PATCH_VERSION})
set(CPACK_PACKAGE_INSTALL_DIRECTORY "BreakHack")
set(CPACK_PACKAGE_CHECKSUM "MD5")
if (WIN32)
	set(CPACK_PACKAGE_FILE_NAME "breakhack-${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}-win32")
else ()
	set(CPACK_PACKAGE_FILE_NAME "breakhack-${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}")
endif ()
if (STEAM)
	set(CPACK_INCLUDE_TOPLEVEL_DIRECTORY OFF)
	set(CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_FILE_NAME}-steambuild")
endif ()

if(UNIX)
	set(CPACK_GENERATOR TGZ ZIP)
	set(CPACK_STRIP_FILES breakhack)
	set(CPACK_SOURCE_STRIP_FILES "")
elseif(WIN32)
	set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL ON)
	set(CPACK_GENERATOR NSIS ZIP)
endif()

include(CPack)