cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
project(CloonelJump CXX)

list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/include")

include(TargetArch)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -pedantic -Wconversion")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall -Wextra -pedantic -Wconversion -DWITH_DEBUG_VISUALS -O0")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Wall -Wextra -pedantic -Wconversion -O3")
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g -O0")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3")

target_architecture(TARGET_ARCH)
message (STATUS "Target architecture: ${TARGET_ARCH}")

option(WITH_BUILTIN_PHYSFS "Force using the version of PhysFS accompanying the code even if a system library is available" OFF)
option(FORCE_OPENGLES "Try to chose the openGL ES renderer if available. Enable this on Raspberry Pi" OFF)
option(RASPBERRY_PI "Compile for Raspberry Pi" OFF)

if (TARGET_ARCH MATCHES "^x86_64$")
	set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -msse3")
	set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -msse3")
	set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -msse3")
	set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -msse3")
endif (TARGET_ARCH MATCHES "^x86_64$")

if (FORCE_OPENGLES OR RASPBERRY_PI)
	add_definitions(-DFORCE_OPENGLES)
	if (RASPBERRY_PI)
		add_definitions(-DRASPBERRY_PI)
	endif(RASPBERRY_PI)
endif (FORCE_OPENGLES OR RASPBERRY_PI)

include(FindPkgConfig)
PKG_SEARCH_MODULE(SDL2 REQUIRED sdl2)

find_package(PNG REQUIRED)
find_package(Boost 1.55.0 REQUIRED)
if (NOT WITH_BUILTIN_PHYSFS)
	find_package(PhysFS 2.0.3)
endif()

if (PHYSFS_FOUND)
	message(STATUS "Using system's PhysFS, set WITH_BUILTIN_PHYSFS to on to override this")
else(PHYSFS_FOUND)
	message(STATUS "Using internal PhysFS")
	set(PHYSFS_INCLUDE_DIR "lib/physfs-2.0.3")
	set(PHYSFS_LIBRARY "physfs")
endif(PHYSFS_FOUND)

add_definitions(
	${PNG_DEFINITIONS}
#	-DWITH_VERBOSE_OBS_MANAGER
	-DWITH_VERBOSE_COLLIDER
)

if (RASPBERRY_PI)
	message(STATUS "Will build for Raspberry Pi")
	include_directories(SYSTEM
		/opt/vc/include
		/opt/vc/include/interface/vcos/pthreads
		/opt/vc/include/interface/vmcs_host/linux
	)
	link_directories(
		/opt/vc/lib
	)
endif (RASPBERRY_PI)

include_directories(SYSTEM
	${SDL2_INCLUDE_DIR}
	${PNG_INCLUDE_DIRS}
	${Boost_INCLUDE_DIRS}
	lib/tree-3.1/src
)
include_directories(
	src
	src/movers
	include
	"${PROJECT_BINARY_DIR}"
	${PHYSFS_INCLUDE_DIR}
)

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

if (NOT PHYSFS_FOUND)
	add_subdirectory(lib/physfs-2.0.3)
endif(NOT PHYSFS_FOUND)

add_executable(${PROJECT_NAME}
	src/main.cpp
	src/texture.cpp
	src/sdlerror.cpp
	src/sdlmain.cpp
	src/gamebase.cpp
	src/character.cpp
	src/placeable.cpp
	src/physicsfswrapper.cpp
	src/gameplayscene.cpp
	src/movers/mover.cpp
	src/movers/moveroneshot.cpp
	src/movers/moversine.cpp
	src/gameplaysceneclassic.cpp
	src/movers/moverrelative.cpp
	src/inputbag.cpp
	src/movers/moverleftright.cpp
	src/tiledwallpaper.cpp
	src/drawable.cpp
	src/sizeratio.cpp
	src/sizenotifiable.cpp
	src/horzcollisionbar.cpp
	src/platform.cpp
	src/vectormath.cpp
	src/platformspawner.cpp
	src/movers/moverworld.cpp
	src/line.cpp
	src/collider.cpp
	src/platformset.cpp
	src/drawableline.cpp
)

target_link_libraries(${PROJECT_NAME}
	${SDL2_LIBRARIES}
	${PHYSFS_LIBRARY}
	${PNG_LIBRARIES}
)

if (RASPBERRY_PI)
	target_link_libraries(${PROJECT_NAME}
		bcm_host
	)
endif(RASPBERRY_PI)

target_compile_features(${PROJECT_NAME}
	PRIVATE cxx_nullptr
	PRIVATE cxx_range_for
	PRIVATE cxx_lambdas
	PRIVATE cxx_decltype_auto
	PRIVATE cxx_defaulted_functions
	PRIVATE cxx_deleted_functions
	PRIVATE cxx_auto_type
	PRIVATE cxx_decltype_incomplete_return_types
	PRIVATE cxx_defaulted_move_initializers
	PRIVATE cxx_noexcept
	PRIVATE cxx_rvalue_references
	PRIVATE cxx_delegating_constructors
)