# Copyright 2009 Michael Forney
# Copyright 2011-2015 Pierre Lejeune <superheron@gmail.com>
# Copyright 2014 Johannes Nixdorf <mixi@exherbo.org>
# Copyright 2018 Martin Sekera <sekerama@gmail.com>
# Distributed under the terms of the GNU General Public License v2

MY_PV=${PV/b}

require cmake [ api=2 ] \
	flag-o-matic \
	freedesktop-desktop \
	python [ blacklist="2 3.4 3.7" multibuild=false ] \
	toolchain-funcs

export_exlib_phases src_prepare src_configure src_install

SUMMARY="Blender is the free open source 3D content creation suite"
HOMEPAGE="https://www.blender.org"
DOWNLOADS="https://download.blender.org/source/${PNV}.tar.gz"

LICENCES="GPL-2"
SLOT="0"
MYOPTIONS="
	ffmpeg
	fftw [[ description = [ Support for smoke, audio effects and the ocean simulator ] ]]
	jack [[ description = [ Support for sound output through jack ] ]]
	jpeg2000
	openal [[ description = [ Support for sound output using openal ] ]]
	openmp
	sdl [[ description = [ Support for sound output using SDL and joystick support ] ]]
	sndfile [[ description = [ Support for some audio codecs through libsndfile ] ]]
	
	ffmpeg? ( ( providers: ffmpeg libav ) [[ number-selected = exactly-one ]] )
	
	( providers: ijg-jpeg jpeg-turbo ) [[ number-selected = exactly-one ]]
"

# FIXME: Tests fire tons of sydbox violations
RESTRICT="test"

DEPENDENCIES="
	build:
		sci-libs/eigen:3[>=3.2.7]
		x11-proto/xorgproto
	build+run:
		app-arch/lzo:2
		dev-libs/boost[>=1.48.0]
		dev-python/numpy[>=1.7.0][python_abis:*(-)?]
		media-libs/OpenImageIO
		media-libs/freetype:2
		media-libs/glew
		media-libs/ilmbase
		media-libs/libpng:=
		media-libs/openexr
		media-libs/tiff
		sys-libs/zlib
		x11-dri/glu
		x11-dri/mesa
		x11-libs/libX11
		x11-libs/libXfixes
		x11-libs/libXi
		x11-libs/libXrender
		x11-libs/libXxf86vm
		ffmpeg? (
			providers:ffmpeg? ( media/ffmpeg )
			providers:libav? ( media/libav )
		)
		fftw? ( sci-libs/fftw[>=3.0] )
		jack? ( media-sound/jack-audio-connection-kit )
		jpeg2000? ( media-libs/OpenJPEG:0 )
		openal? ( media-libs/openal )
		sdl? ( media-libs/SDL:2 )
		sndfile? ( media-libs/libsndfile )
		providers:ijg-jpeg? ( media-libs/jpeg:= )
		providers:jpeg-turbo? ( media-libs/libjpeg-turbo )
	suggestion:
		dev-python/requests[python_abis:*(-)?] [[ description = [ Support to upload models to sketchfab ] ]]
"

blender_src_prepare() {
	if option openmp; then
		# stolen from the cmake test
		# we can't just test for the flag because clang ignores it and returns 0
		cat > "${WORKBASE}"/openmp-test.c <<HERE
#include <omp.h>
int main() {
	#ifdef _OPENMP
		return 0;
	#else
		breaks_on_purpose
	#endif
}
HERE
		
		if ! ${CC} ${CFLAGS} -fopenmp "${WORKBASE}"/openmp-test.c -o /dev/null &> /dev/null ||
		! ${CXX} ${CXXFLAGS} -fopenmp "${WORKBASE}"/openmp-test.c -o /dev/null &> /dev/null; then
			eerror "You enabled the openmp option for blender but your selected compiler doesn't support it."
			eerror "Either use a different compiler or disable the openmp option."
			die
		fi
	fi
	
	# fix c++ errors on gcc-8.x
	if cc-is-gcc && ever at_least 8.0 $(gcc-version); then
		einfo "Applying GCC 8 patches"
		edo pushd ${WORKBASE}/${PNV}
		expatch "${FILES}"/tree_hpp.patch
		expatch "${FILES}"/util_sseb.patch
		edo popd
	fi
	
	cmake_src_prepare
}

blender_src_configure() {
	# WITH_OPENIMAGEIO: required for cycles
	# WITH_INSTALL_PORTABLE: respect CMAKE_INSTALL_PREFIX
	# WITH_PYTHON_INSTALL*: use the system python modules
	# WITH_OPENCOLORIO, WITH_INPUT_NDOF: unwritten dependencies
	# no WITH_SYSTEM_BULLET: not supported by upstream because of missing features
	local args=(
		-DCMAKE_BUILD_TYPE:STRING=Release
		-DCMAKE_SKIP_BUILD_RPATH:BOOL=TRUE
		-DPYTHON_VERSION:STRING=$(python_get_abi)
		-DWITH_ALEMBIC:BOOL=FALSE
		-DWITH_ALEMBIC_HDF5:BOOL=FALSE
		-DWITH_BOOST:BOOL=TRUE
		-DWITH_BUILDINFO:BOOL=TRUE
		-DWITH_BULLET:BOOL=TRUE
		-DWITH_CODEC_AVI:BOOL=TRUE
		-DWITH_COMPOSITOR:BOOL=TRUE
		-DWITH_CYCLES:BOOL=TRUE
		-DWITH_CYCLES_CUDA_BINARIES:BOOL=FALSE
		-DWITH_CYCLES_OPENSUBDIV:BOOL=FALSE
		-DWITH_CYCLES_OSL:BOOL=FALSE
		-DWITH_CYCLES_STANDALONE:BOOL=FALSE
		-DWITH_CYCLES_STANDALONE_GUI:BOOL=FALSE
		-DWITH_DOC_MANPAGE:BOOL=TRUE
		-DWITH_FREESTYLE:BOOL=TRUE
		-DWITH_GAMEENGINE:BOOL=TRUE
		-DWITH_GAMEENGINE_DECKLINK:BOOL=TRUE
		-DWITH_GHOST_XDND:BOOL=TRUE
		-DWITH_GTESTS:BOOL=FALSE
		-DWITH_HEADLESS:BOOL=FALSE
		-DWITH_IK_ITASC:BOOL=TRUE
		-DWITH_IK_SOLVER:BOOL=TRUE
		-DWITH_IMAGE_CINEON:BOOL=TRUE
		-DWITH_IMAGE_DDS:BOOL=TRUE
		-DWITH_IMAGE_FRAMESERVER:BOOL=TRUE
		-DWITH_IMAGE_HDR:BOOL=TRUE
		-DWITH_IMAGE_OPENEXR:BOOL=TRUE
		-DWITH_IMAGE_TIFF:BOOL=TRUE
		-DWITH_INPUT_NDOF:BOOL=FALSE
		-DWITH_INSTALL_PORTABLE:BOOL=FALSE
		-DWITH_INTERNATIONAL:BOOL=TRUE
		-DWITH_LIBMV:BOOL=TRUE
		-DWITH_LLVM:BOOL=FALSE
		-DWITH_LZMA:BOOL=TRUE
		-DWITH_LZO:BOOL=TRUE
		-DWITH_MEM_JEMALLOC:BOOL=FALSE
		-DWITH_MEM_VALGRIND:BOOL=FALSE
		-DWITH_MOD_BOOLEAN:BOOL=TRUE
		-DWITH_MOD_FLUID:BOOL=TRUE
		-DWITH_MOD_REMESH:BOOL=TRUE
		-DWITH_MOD_SMOKE:BOOL=TRUE
		-DWITH_OPENCOLLADA:BOOL=FALSE
		-DWITH_OPENCOLORIO:BOOL=FALSE
		-DWITH_OPENGL_TESTS:BOOL=FALSE
		-DWITH_OPENIMAGEIO:BOOL=TRUE
		-DWITH_OPENSUBDIV:BOOL=FALSE
		-DWITH_OPENVDB:BOOL=FALSE
		-DWITH_OPENVDB_BLOSC:BOOL=FALSE
		-DWITH_PLAYER:BOOL=TRUE
		-DWITH_PYTHON_INSTALL:BOOL=FALSE
		-DWITH_PYTHON_INSTALL_NUMPY:BOOL=FALSE
		-DWITH_PYTHON_INSTALL_REQUESTS:BOOL=FALSE
		-DWITH_PYTHON_MODULE:BOOL=FALSE
		-DWITH_RAYOPTIMIZATION:BOOL=TRUE
		-DWITH_STATIC_LIBS:BOOL=FALSE
		-DWITH_SYSTEM_EIGEN3:BOOL=TRUE
		-DWITH_SYSTEM_GLES:BOOL=TRUE
		-DWITH_SYSTEM_GLEW:BOOL=TRUE
		-DWITH_SYSTEM_LZO:BOOL=TRUE
		-DWITH_SYSTEM_OPENJPEG:BOOL=TRUE
		-DWITH_X11_ALPHA:BOOL=TRUE
		-DWITH_X11_XF86VMODE:BOOL=TRUE
		-DWITH_X11_XFIXES:BOOL=TRUE
		-DWITH_X11_XINPUT:BOOL=TRUE
		$(cmake_with ffmpeg CODEC_FFMPEG)
		$(cmake_with fftw FFTW3)
		$(cmake_with fftw MOD_OCEANSIM)
		$(cmake_with jack JACK)
		$(cmake_with jpeg2000 IMAGE_OPENJPEG)
		$(cmake_with openal OPENAL)
		$(cmake_with openmp OPENMP)
		$(cmake_with sdl SDL)
		$(cmake_with sndfile CODEC_SNDFILE)
	)
	
	ecmake "${args[@]}"
}

blender_src_install() {
	cmake_src_install
	
	# TODO: Use CMAKE_INSTALL_FULL_DATAROOTDIR
	edo mv "${IMAGE}"/usr/{$(exhost --target)/,}share
	# TODO: blender fails to run otherwise
	dodir /usr/$(exhost --target)/share
	dosym /usr/share/${PN} /usr/$(exhost --target)/share/${PN}
	
	edo mv "${IMAGE}"/usr/share/doc/{${PN},${PNV}}
	
	keepdir /usr/share/${PN}/${MY_PV}/scripts/addons_contrib
}