CMakeLists.txt

##
#	@file CMakeLists.txt
#	@author Arves100
#	@date 06/03/2023
#	@brief Main cmake processor
##

cmake_minimum_required(VERSION 3.20)
project(Danmakufu LANGUAGES CXX ASM)

# 0. Basic configurations
list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin")

#include(CheckFunctionExists)
#include(CheckSymbolExists)
#include(CheckTypeSize)
include(Git)

## C++17
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

set_property(GLOBAL PROPERTY USE_FOLDERS ON)

## 64-bit build
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
	set(DNH_X64 1)
elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
	set(DNH_X64 0)
endif()

## Options
#option(DNH_BUILD_VIEWER "Build the Danmakufu viewer" ON)
#option(DNH_BUILD_EXECUTOR "Build the Danmakufu executor" ON)
#option(DNH_BUILD_TOOLS "Build the Danmakufu tools" ON)
#option(DNH_BUILD_CONFIG "Build the config utility" ON)

if (ENABLE_QT)
	# Qt auto functions
	set(CMAKE_AUTOMOC ON)
	set(CMAKE_AUTORCC ON)
	set(CMAKE_AUTOUIC ON)
endif()

function(set_target_name proj out)
	# this function fixes up postfix, output name and directories (and removes out dir postifx for vs)

	set_target_properties(${proj} PROPERTIES
		RELEASE_POSTFIX ""
		MINSIZEREL_POSTFIX "_msr"
		RELWITHDEBINFO_POSTFIX "_rbi"
		DEBUG_POSTFIX "_d"
		OUTPUT_NAME "${out}"
	)

	# removes Debug/ Release/ in vs
	set(TARGETS DEBUG RELEASE MINSIZEREL RELWITHDEBINFO)
	foreach (TARGET IN ITEMS ${TARGETS})
		set_target_properties(${proj} PROPERTIES ${TARGET}_OUTPUT_NAME "${out}" RUNTIME_OUTPUT_DIRECTORY_${TARGET} "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}")
	endforeach()
endfunction()

# 1. Compiler/platform specific configurations

if (MSVC)
	include(FindDirectX) # MinGW already has DirectX9 SDK

	set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /SUBSYSTEM:WINDOWS")
	
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /utf-8 /permissive- /MP /fp:fast /W4 /arch:sse2") # (/WX)

	if ("${VCPKG_TARGET_TRIPLET}" MATCHES "-static")
		set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
		set(MSVC_STATIC 1)
	else()
		set(MSVC_STATIC 0)
	endif()

	if (BUILD_64BIT)
		enable_language(ASM_MASM) # fpfast asm routine
	endif()

	add_definitions(-DUNICODE -D_UNICODE -D_WIN32_WINNT=0x0601 -DWIN32_LEAN_AND_MEAN=1 -DSTRICT=1) # Default target Windows7+
else()
	if (MINGW OR CYGWIN)
		set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -municode -mwindows")
		if (MINGW)
			set(CMAKE_EXE_LINKER ${CMAKE_CXX_COMPILER}) # bad linker toolchain fix
		endif()
	endif()

	set(CMAKE_EXE_LINKER_FLAGS "-Wall -Wextra -ansi -pedantic -Werror -msse2 -ffast-math")

	# gcc shouldn't have debug/ndebug macros
	set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DNDEBUG")
	set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_DEBUG")
	set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNDEBUG")
	set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG")
endif()

# 2. Dependencies

## libvorbis
find_package(Vorbis CONFIG REQUIRED) # Vorbis::vorbis Vorbis::vorbisenc Vorbis::vorbisfile

## Qt5
if (ENABLE_QT)
	find_package(Qt5 REQUIRED COMPONENTS Widgets)

	if (WIN32)
		set(QT5_WINMAIN Qt5::WinMain)
	else()
		set(QT5_WINMAIN ) # Linux doesn't need this
	endif()
endif()

## fmt
find_package(fmt CONFIG REQUIRED) # fmt::fmt

## spdlog
find_package(spdlog CONFIG REQUIRED) # spdlog::spdlog

## SDL2
find_package(SDL2 CONFIG REQUIRED) # $<IF:$<TARGET_EXISTS:SDL2::SDL2>,SDL2::SDL2,SDL2::SDL2-static>

## zlib
find_package(ZLIB REQUIRED) # ZLIB::ZLIB

## Boost
find_package(Boost REQUIRED COMPONENTS locale) # Boost::boost Boost::locale

## glm
#find_package(glm CONFIG REQUIRED) # glm::glm

## freetype2
#find_package(freetype CONFIG REQUIRED) # freetype

## harfbuzz
#find_package(harfbuzz CONFIG REQUIRED) # harfbuzz

## bgfx
#if (NOT DEFINED BX_ROOT_DIR)
#    set(BX_ROOT_DIR "${CMAKE_SOURCE_DIR}/deps/bx")
#endif()
#if (NOT DEFINED BIMG_ROOT_DIR)
#    set(BIMG_ROOT_DIR "${CMAKE_SOURCE_DIR}/deps/bimg")
#endif()
#if (NOT DEFINED BGFX_ROOT_DIR)
#    set(BGFX_ROOT_DIR "${CMAKE_SOURCE_DIR}/deps/bgfx")
#endif()

# 3. extra checks or operations
#check_function_exists(getopt HAVE_GETOPT)
#
#check_type_size(ssize_t SIZEOF_SSIZE_T)
#
#if (NOT ${SIZEOF_SSIZE_T} EQUAL 0)
#	add_definitions(-DDNH_HAVE_SSIZE_T)
#endif()

# 4. Add source code
add_subdirectory(deps)
add_subdirectory(source)