cmake_minimum_required(VERSION 3.12)

project(obs-face-tracker VERSION 0.8.0)
set(PLUGIN_AUTHOR "Norihiro Kamae")
set(MACOS_BUNDLEID "net.nagater.obs-face-tracker")
set(MACOS_PACKAGE_UUID "A2EB2F73-9828-40C4-A307-F47282BB8D3F")
set(MACOS_INSTALLER_UUID "652CF739-5A6F-4DAC-9611-B068FAC15BF3")
set(PLUGIN_URL "https://obsproject.com/forum/resources/face-tracker.1294/")
set(LINUX_MAINTAINER_EMAIL "norihiro@nagater.net")

option(WITH_PTZ_TCP "Enable to connect PTZ camera through TCP socket" ON)
option(WITH_DLIB_SUBMODULE "Link dlib from submodule" ON)
option(ENABLE_MONITOR_USER "Enable monitor source for user" OFF)
option(ENABLE_DEBUG_DATA "Enable property to save error and control data" OFF)
option(WITH_DOCK "Enable dock" ON)
option(ENABLE_DATAGEN "Enable generating data" OFF)

set(CMAKE_PREFIX_PATH "${QTDIR}")

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

set(plugin_additional_libs)
set(plugin_additional_incs)

if (WITH_PTZ_TCP)
	set(CMAKE_POSITION_INDEPENDENT_CODE true)
	set(WITH_VISCA_SERIAL OFF)
	add_definitions("-DVISCA_API= ")
	add_subdirectory(libvisca/visca)
	set(plugin_additional_libs ${plugin_additional_libs} visca)
	set(plugin_additional_incs ${plugin_additional_incs} libvisca/visca)
endif()

find_package(libobs REQUIRED)
find_package(obs-frontend-api REQUIRED)
include(cmake/ObsPluginHelpers.cmake)
find_qt(VERSION ${QT_VERSION} COMPONENTS Widgets Core Gui)

if (WITH_DLIB_SUBMODULE)
	set(CMAKE_POSITION_INDEPENDENT_CODE True)
	set(DLIB_NO_GUI_SUPPORT ON)
	set(DLIB_PNG_SUPPORT OFF)
	set(DLIB_GIF_SUPPORT OFF)
	set(DLIB_USE_FFMPEG OFF)
	set(DLIB_JPEG_SUPPORT OFF)
	set(DLIB_LINK_WITH_SQLITE3 OFF)
	set(DLIB_WEBP_SUPPORT OFF)
	set(DLIB_JXL_SUPPORT OFF)
	set(DLIB_TEST_COMPILE_ALL_SOURCE_CPP OFF)
	add_subdirectory(dlib)
else()
	find_package(dlib REQUIRED)
	add_library(dlib ALIAS dlib::dlib)
endif()

set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTOUIC ON)

configure_file(
	src/plugin-macros.h.in
	plugin-macros.generated.h
)
configure_file(
	installer/installer-Windows.iss.in
	installer-Windows.generated.iss
)

configure_file(
	ci/ci_includes.sh.in
	ci/ci_includes.generated.sh
)
configure_file(
	ci/ci_includes.cmd.in
	ci/ci_includes.generated.cmd
)

set(PLUGIN_SOURCES
	src/module-main.c
	src/face-tracker.cpp
	src/source_list.cc
	src/face-tracker-preset.cpp
	src/face-tracker-manager.cpp
	src/face-tracker-ptz.cpp
	src/face-tracker-monitor.cpp
	src/face-detector-base.cpp
	src/face-detector-dlib-hog.cpp
	src/face-detector-dlib-cnn.cpp
	src/face-tracker-base.cpp
	src/face-tracker-dlib.cpp
	src/texture-object.cpp
	src/helper.cpp
	src/ptz-backend.cpp
	src/obsptz-backend.cpp
	src/dummy-backend.cpp
)

if (WITH_PTZ_TCP)
	set(PLUGIN_SOURCES ${PLUGIN_SOURCES} src/libvisca-thread.cpp)
endif()
if (WITH_DOCK)
	set(PLUGIN_SOURCES
		${PLUGIN_SOURCES}
		ui/face-tracker-dock.cpp
		ui/face-tracker-widget.cpp
	)
endif()

add_library(${CMAKE_PROJECT_NAME} MODULE ${PLUGIN_SOURCES})

if (WITH_DOCK)
	set(plugin_additional_incs ${plugin_additional_incs} src)
	set(plugin_additional_libs ${plugin_additional_libs} Qt::Gui Qt::Widgets Qt::GuiPrivate)
endif()

include_directories(
	${CMAKE_CURRENT_SOURCE_DIR}/dlib
	${plugin_additional_incs}
)

target_link_libraries(${CMAKE_PROJECT_NAME}
	OBS::libobs
	OBS::obs-frontend-api
	dlib
	${plugin_additional_libs}
)

target_include_directories(${CMAKE_PROJECT_NAME} PRIVATE
	${CMAKE_CURRENT_BINARY_DIR}
)

if(OS_WINDOWS)
	# Enable Multicore Builds and disable FH4 (to not depend on VCRUNTIME140_1.DLL when building with VS2019)
	if (MSVC)
		add_definitions(/MP /d2FH4-)
		add_definitions("-D_USE_MATH_DEFINES")
		add_definitions("-D_CRT_SECURE_NO_WARNINGS") # to avoid a warning for `fopen`
		add_definitions("-D_DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR") # TODO: Remove once requiring OBS 30.2 or later.
	endif()

	target_link_libraries(${CMAKE_PROJECT_NAME} OBS::w32-pthreads)
endif()

if(OS_LINUX)
	target_compile_options(${CMAKE_PROJECT_NAME}
		PRIVATE
		-Wall
		-Wextra
		-Wunused-function
		-Werror
		-Wno-error=deprecated-declarations # TODO: Replace obs_frontend_add_dock with the new API.
	)
	target_link_options(${CMAKE_PROJECT_NAME} PRIVATE "-Wl,-z,defs")
endif()

if(APPLE)
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++ -fvisibility=default")

	set_target_properties(${CMAKE_PROJECT_NAME} PROPERTIES PREFIX "")
	set(MACOSX_PLUGIN_GUI_IDENTIFIER "${MACOS_BUNDLEID}")
	set(MACOSX_PLUGIN_BUNDLE_VERSION "${CMAKE_PROJECT_VERSION}")
	set(MACOSX_PLUGIN_SHORT_VERSION_STRING "1")
endif()

setup_plugin_target(${CMAKE_PROJECT_NAME})

configure_file(installer/installer-macOS.pkgproj.in installer-macOS.generated.pkgproj)

if(ENABLE_DATAGEN)
	add_executable(face-detector-dlib-hog-datagen
		src/face-detector-dlib-hog-datagen.cpp
	)
	target_include_directories(face-detector-dlib-hog-datagen PRIVATE
		${CMAKE_CURRENT_BINARY_DIR}
	)
	target_link_libraries(face-detector-dlib-hog-datagen
		dlib
	)
endif()