games-simulation/EmptyEpsilon: initial import

Closes: https://bugs.gentoo.org/717592
Signed-off-by: Florian Schmaus <flow@gentoo.org>

games-simulation/EmptyEpsilon/EmptyEpsilon-2021.06.23.ebuild

@@ -0,0 +1,68 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake toolchain-funcs
+
+DESCRIPTION="A spaceship bridge simulator game."
+HOMEPAGE="https://daid.github.io/EmptyEpsilon/"
+# This bundles SeriousProton as the build system does not support using
+# a separate SeriousProton instance (and currently EmptyEpsilon seems to
+# be the only consumer).
+SRC_URI="https://github.com/daid/EmptyEpsilon/archive/EE-${PV}.tar.gz -> EmptyEpsilon-${PV}.tar.gz
+	https://github.com/daid/SeriousProton/archive/EE-${PV}.tar.gz -> SeriousProton-${PV}.tar.gz"
+
+# EmptyEpsilon is mostly licensed under GPL, however the art ressources
+# use Creative Commons and the bundled SeriousProton is MIT-licensed.
+LICENSE="GPL-2 CC-BY-SA-3.0 MIT"
+SLOT="0"
+KEYWORDS="~amd64"
+
+RDEPEND="
+	>=dev-cpp/json11-1.0.0
+	media-libs/libglvnd
+	media-libs/libsfml
+	>=media-libs/glm-0.9.9.8
+"
+DEPEND="${RDEPEND}"
+
+S="${WORKDIR}/EmptyEpsilon-EE-${PV}"
+
+pkg_pretend() {
+	if [[ ${MERGE_TYPE} == "binary" ]]; then
+		return
+	fi
+
+	if tc-is-gcc; then
+		if [[ $(gcc-major-version) -lt 11 ]]; then
+			# ld: /usr/lib64/libsfml-audio.so: undefined reference to `std::__throw_bad_array_new_length()@GLIBCXX_3.a4.29'
+			eerror "${PN} requires GCC >= 11. Run gcc-config to switch your default compiler."
+			die "Need at least GCC >= 11"
+		fi
+	fi
+}
+
+src_prepare() {
+	eapply "${FILESDIR}/${PN}-Make-CMake-call-find_package-glm.patch"
+	eapply --directory="${WORKDIR}/SeriousProton-EE-${PV}" \
+		   "${FILESDIR}/SeriousProton-Unbundle-json11.patch"
+
+	eapply_user
+
+	cmake_src_prepare
+}
+
+src_configure() {
+	local version=( $(ver_rs 1- ' ') )
+	local mycmakeargs=(
+		-DSERIOUS_PROTON_DIR="${WORKDIR}/SeriousProton-EE-${PV}/"
+		-DOpenGL_GL_PREFERENCE=GLVND
+		-DCPACK_PACKAGE_VERSION="${PV}"
+		-DCPACK_PACKAGE_VERSION_MAJOR="${version[0]}"
+		-DCPACK_PACKAGE_VERSION_MINOR="${version[1]}"
+		-DCPACK_PACKAGE_VERSION_PATCH="${version[2]}"
+	)
+
+	cmake_src_configure
+}

games-simulation/EmptyEpsilon/Manifest

@@ -0,0 +1,2 @@
+DIST EmptyEpsilon-2021.06.23.tar.gz 285211647 BLAKE2B 813b7e02ff7f046b7f28139063441eb421861b720c7b55d25930d3a418211fefdce7ac0e6ab705b4afe52df58f85a9298ff3e6be883a841e6eb9f7037eca297b SHA512 209ea68d99ef5ef53f1e3484d6471cafc01d4cb6505609a5b41d468387147127b4b4bbc20af75404d2cdef3d3cfb37bbb7f6fb3ae336d2f7e264e9c470ad7764
+DIST SeriousProton-2021.06.23.tar.gz 1181117 BLAKE2B 433280b7f6994bed0b86ffc4135a1e91bd9521c508b875332d17dc041da6b77a4260de784b6b75e79aab072d6bc68108a8b6b4949d674670f1d13ed1abe90d7e SHA512 4519801c30cd87436704023090ce39299573b02637a86b0d5c6ac0f4e99b4bddc6724b2b660edfd29d33a908b67268409a8c47dab7b5d59958a5abd52d5610bf

games-simulation/EmptyEpsilon/files/EmptyEpsilon-Make-CMake-call-find_package-glm.patch

@@ -0,0 +1,35 @@
+From 7efb73d1a964f04646dba692323c1affcb25d16e Mon Sep 17 00:00:00 2001
+From: Florian Schmaus <flow@gentoo.org>
+Date: Fri, 8 Oct 2021 11:07:20 +0200
+Subject: [PATCH] Make CMake call find_package(glm)
+
+---
+ CMakeLists.txt | 12 +-----------
+ 1 file changed, 1 insertion(+), 11 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 6fb5c88f6614..9d65d1ef2653 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -106,17 +106,7 @@ if(WITH_DISCORD)
+ endif()
+ 
+ # GLM
+-set(GLM_BASE_PATH "${EXTERNALS_DIR}")
+-
+-if(NOT EXISTS "${GLM_BASE_PATH}/glm/CMakeLists.txt")
+-  set(GLM_ZIP "${DOWNLOADS_DIR}/glm.zip")
+-  file(DOWNLOAD "https://github.com/g-truc/glm/releases/download/0.9.9.8/glm-0.9.9.8.zip" "${GLM_ZIP}" TIMEOUT 60 TLS_VERIFY ON)
+-
+-  file(MAKE_DIRECTORY "${GLM_BASE_PATH}/glm")
+-  execute_process(COMMAND ${CMAKE_COMMAND} -E tar -xf "${GLM_ZIP}" WORKING_DIRECTORY "${GLM_BASE_PATH}")
+-endif()
+-
+-add_subdirectory("${GLM_BASE_PATH}/glm" "${PROJECT_BINARY_DIR}/glm" EXCLUDE_FROM_ALL)
++find_package(glm)
+ 
+ set(SOURCES
+     src/main.cpp
+-- 
+2.32.0
+

games-simulation/EmptyEpsilon/files/SeriousProton-Unbundle-json11.patch

@@ -0,0 +1,27 @@
+From ae5ea143e6a9f57c797a96b9024c8acc60f05828 Mon Sep 17 00:00:00 2001
+From: Florian Schmaus <flo@gentoo.org>
+Date: Fri, 8 Oct 2021 13:26:27 +0200
+Subject: [PATCH] Unbundle json11
+
+---
+ CMakeLists.txt | 4 ----
+ 1 file changed, 4 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 4b57a4f6631a..0a06c3186ff5 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -86,10 +86,6 @@ add_subdirectory(src/lua)
+ add_subdirectory(src/GL)
+ add_subdirectory(src/libopus)
+ 
+-if(SERIOUSPROTON_WITH_JSON)
+-    add_subdirectory(src/json11)
+-endif()
+-
+ #---------------------------------File lists-----------------------------------
+ set(source_files #All SeriousProton's objects to compile
+     src/clipboard.cpp
+-- 
+2.32.0
+

games-simulation/EmptyEpsilon/metadata.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<name>Florian Schmaus</name>
+		<email>flow@gentoo.org</email>
+	</maintainer>
+</pkgmetadata>