# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)

from spack.package import *


class Openscenegraph(CMakePackage):
    """OpenSceneGraph is an open source, high performance 3D graphics toolkit
    that's used in a variety of visual simulation applications."""

    homepage = "http://www.openscenegraph.org"
    git = "https://github.com/openscenegraph/OpenSceneGraph.git"
    url = "https://github.com/openscenegraph/OpenSceneGraph/archive/OpenSceneGraph-3.6.4.tar.gz"

    version("3.6.5", sha256="aea196550f02974d6d09291c5d83b51ca6a03b3767e234a8c0e21322927d1e12")
    version("3.6.4", sha256="81394d1b484c631028b85d21c5535280c21bbd911cb058e8746c87e93e7b9d33")
    version("3.4.1", sha256="930eb46f05781a76883ec16c5f49cfb29a059421db131005d75bec4d78401fd5")
    version("3.4.0", sha256="0d5efe12b923130d14a6fce5866675d7625fcfb1c004c9f9b10034b9feb61ac2")
    version("3.2.3", sha256="a1ecc6524197024834e1277916922b32f30246cb583e27ed19bf3bf889534362")
    version("3.1.5", sha256="dddecf2b33302076712100af59b880e7647bc595a9a7cc99186e98d6e0eaeb5c")

    variant("shared", default=True, description="Builds a shared version of the library")
    variant(
        "ffmpeg", default=False, description="Builds ffmpeg plugin for audio encoding/decoding"
    )

    depends_on("cmake@2.8.7:", type="build")
    depends_on("gl")
    depends_on(
        "qt+opengl", when="@:3.5.4"
    )  # Qt windowing system was moved into separate osgQt project
    depends_on("qt@4:", when="@3.2:3.5.4")
    depends_on("qt@:4", when="@:3.1")
    depends_on("libxinerama")
    depends_on("libxrandr")
    depends_on("libpng")
    depends_on("jasper")
    depends_on("libtiff")
    depends_on("glib")
    depends_on("zlib")

    depends_on("ffmpeg+avresample", when="+ffmpeg")
    # https://github.com/openscenegraph/OpenSceneGraph/issues/167
    depends_on("ffmpeg@:2", when="@:3.4.0+ffmpeg")

    patch("glibc-jasper.patch", when="@3.4%gcc")

    def cmake_args(self):
        spec = self.spec

        shared_status = "ON" if "+shared" in spec else "OFF"
        opengl_profile = "GL{0}".format(spec["gl"].version.up_to(1))

        args = [
            # Variant Options #
            "-DDYNAMIC_OPENSCENEGRAPH={0}".format(shared_status),
            "-DDYNAMIC_OPENTHREADS={0}".format(shared_status),
            "-DOPENGL_PROFILE={0}".format(opengl_profile),
            # General Options #
            "-DBUILD_OSG_APPLICATIONS=OFF",
            "-DOSG_NOTIFY_DISABLED=ON",
            "-DLIB_POSTFIX=",
            "-DCMAKE_RELWITHDEBINFO_POSTFIX=",
            "-DCMAKE_MINSIZEREL_POSTFIX=",
        ]

        if spec.satisfies("~ffmpeg"):
            for ffmpeg_lib in ["libavcodec", "libavformat", "libavutil"]:
                args.extend(
                    [
                        "-DFFMPEG_{0}_INCLUDE_DIRS=".format(ffmpeg_lib.upper()),
                        "-DFFMPEG_{0}_LIBRARIES=".format(ffmpeg_lib.upper()),
                    ]
                )

        # NOTE: This is necessary in order to allow OpenSceneGraph to compile
        # despite containing a number of implicit bool to int conversions.
        if spec.satisfies("%gcc"):
            args.extend(
                [
                    "-DCMAKE_C_FLAGS=-fpermissive",
                    "-DCMAKE_CXX_FLAGS=-fpermissive",
                ]
            )

        return args