games-engines/system3-sdl2: new package, add 1.6.1

Signed-off-by: hautist <lookatnadeko@protonmail.com>

games-engines/system3-sdl2/Manifest

@@ -0,0 +1,2 @@
+DIST system3-sdl2-1.6.1.tar.gz 1599662 BLAKE2B 4f158fe778e5bb1d81334d7c05bfd680bf9e2ab81774356b1ccf55ae94a75dbb182e80d839842ffd3d1acf0d8412c545b1c09992513c6341e2ccd411f41a3960 SHA512 fc12d466768892ddf732010fde1a7e64786ab5e232dafda419800f5a1ec6fc91b1a2e44ea27e85f7371b82d678e5981d243ae3a2cec6b22be023c89c3e9b7352
+DIST ymfm-10c72f79bea3e0ab66af32d4295519aa17e6ea0f.tar.gz 133678 BLAKE2B 0cd42fa15ad3c5ac5f7938937dce7dea13e5e2711b42d0813a6665c52ca740685a56623e845ca3765b9e553fcfafee69acee831d2eb4decc5b6cabf7f17c604e SHA512 e40c85a48456f64faf26dc9c8ae93042c77a5b248ce293fd59480b986102c65c749149bebf23450f9e62e479d328d7046ed4fa8243d863be83da5eb8a3c1059c

games-engines/system3-sdl2/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>lookatnadeko@protonmail.com</email>
+		<name>hautist</name>
+	</maintainer>
+	<longdescription lang="en">
+		system3-sdl2 is an SDL2 port of AliceSoft's System3 for Win32 enginge, 
+		originally developed by Takeda Toshiya. This cross-platform implementation 
+		allows running classic AliceSoft games on modern systems including Linux, 
+		Android, and web browsers via Emscripten.
+	</longdescription>
+	<use>
+		<flag name="rtmidi">Enable real-time MIDI support via rtmidi library</flag>
+		<flag name="debug">Enable debug build with debugging symbols and debugger support</flag>
+	</use>
+	<upstream>
+		<remote-id type="github">kichikuou/system3-sdl2</remote-id>
+		<bugs-to>https://github.com/kichikuou/system3-sdl2/issues</bugs-to>
+		<changelog>https://github.com/kichikuou/system3-sdl2/blob/master/CHANGELOG.md</changelog>
+	</upstream>
+</pkgmetadata>

games-engines/system3-sdl2/system3-sdl2-1.6.1.ebuild

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+EAPI=8
+
+inherit cmake
+
+YMFM_COMMIT="10c72f79bea3e0ab66af32d4295519aa17e6ea0f"  # Check if this needs updating on xsystem35 updates
+
+DESCRIPTION="SDL2 port of AliceSoft's System3 for Win32 by Takeda Toshiya."
+HOMEPAGE="https://github.com/kichikuou/system3-sdl2"
+SRC_URI="
+	https://github.com/kichikuou/system3-sdl2/archive/v${PV}.tar.gz -> ${P}.tar.gz
+	https://github.com/aaronsgiles/ymfm/archive/${YMFM_COMMIT}.tar.gz -> ymfm-${YMFM_COMMIT}.tar.gz
+"
+
+LICENSE="GPL-2"
+# ymfm submodule license
+LICENSE+=" BSD"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="rtmidi debug"
+
+DEPEND="
+	media-libs/libsdl2
+	media-libs/sdl2-mixer
+	media-libs/sdl2-ttf
+	rtmidi? ( media-libs/rtmidi )"
+RDEPEND="${DEPEND}"
+BDEPEND="virtual/pkgconfig"
+
+src_unpack() {
+	default
+
+	rmdir "${S}"/deps/ymfm || die
+	mv "${WORKDIR}"/ymfm-${YMFM_COMMIT}/ "${S}"/deps/ymfm || die
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DCMAKE_BUILD_TYPE=$(usex debug Debug Release)
+		-DENABLE_DEBUGGER=$(usex debug)
+		-DBUILD_SHARED_LIBS=OFF
+	)
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+
+	# Install additional documentation
+	dodoc CHANGELOG.md game_compatibility.md
+}