Ports: Add PrBoom+

Music (MIDI) works through TiMidity++ and OpenGL support works, but is
still very buggy. Sometimes PrBoom+ fails to load its own configuration
file, which can be worked around by deleting it.

Ports/prboom-plus/package.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env -S bash ../.port_include.sh
+port='prboom-plus'
+version='2.6.2'
+useconfigure='true'
+squashed_version=$(echo "${version}" | tr -d '.')
+files="https://github.com/coelckers/prboom-plus/archive/refs/tags/v${version}.tar.gz prboom-plus-v4${version}.tar.gz 5cfeec96fbfe4fc3bd5dbc2b8d581ff5f6617dd74b2799680ba5b1e2e38c4aff
+https://github.com/coelckers/prboom-plus/releases/download/v${version}/prboom-plus-${squashed_version}-w32.zip prboom-plus-w32.zip 20313e00d8841a618e23e7c671d65870194bee634468fecd2f3697ac05f21476"
+auth_type='sha256'
+workdir="prboom-plus-${version}/prboom2"
+depends=("glu" "libmad" "libvorbis" "SDL2" "SDL2_image" "SDL2_mixer" "SDL2_net")
+configopts=(
+    "-DCMAKE_C_FLAGS=-I${SERENITY_INSTALL_ROOT}/usr/include/LibGL"
+    "-DCMAKE_PREFIX_PATH=${SERENITY_INSTALL_ROOT}/usr/local"
+    "-DFORCE_CROSSCOMPILE=ON"
+    "-DOPENGL_gl_LIBRARY=${SERENITY_INSTALL_ROOT}/usr/lib/libgl.so"
+    "-DWITH_PCRE=OFF"
+    "-Wno-dev"
+)
+
+launcher_name='PrBoom+'
+launcher_category='Games'
+launcher_command='/usr/local/bin/prboom-plus -vidmode gl'
+icon_file='ICONS/prboom-plus.ico'
+
+configure() {
+    run cmake -B build "${configopts[@]}"
+}
+
+build() {
+    run cp -v ../../prboom-plus.wad build/
+    run make -C build "${makeopts[@]}"
+}
+
+install() {
+    run make DESTDIR="${DESTDIR}" -C build install
+
+    wad_directory="${SERENITY_INSTALL_ROOT}/usr/local/share/games/doom"
+    mkdir -p "${wad_directory}"
+    run cp "../../prboom-plus-${squashed_version}-w32/prboom-plus.wad" "${wad_directory}/"
+}