openmw: fetch vendored libs in template

srcpkgs/openmw/template

@@ -3,6 +3,8 @@ pkgname=openmw
 version=0.47.0
 revision=3
 build_style=cmake
+_recast_commit=e75adf86f91eb3082220085e42dda62679f9a3ea
+_bullet_tag=3.17
 # System bullet doesn't use double precision (double precision would break vdrift)
 # LTO gives a measurable performance boost, while not hurting compile time too much
 configure_args="-DDESIRED_QT_VERSION=5 -DOPENMW_USE_SYSTEM_BULLET=OFF
@@ -16,8 +18,12 @@ maintainer="John <me@johnnynator.dev>"
 license="GPL-3.0-or-later"
 homepage="http://openmw.org"
 changelog="https://openmw.org/2021/openmw-0-47-0-released/"
-distfiles="https://gitlab.com/OpenMW/openmw/-/archive/openmw-${version}/openmw-openmw-${version}.tar.gz"
-checksum=bd7f77e1527c2180e9b0dfcbe401d6fb48f24dbb37701dac7747697873d6edb4
+distfiles="https://gitlab.com/OpenMW/openmw/-/archive/openmw-${version}/openmw-openmw-${version}.tar.gz
+ https://github.com/recastnavigation/recastnavigation/archive/${_recast_commit}.tar.gz
+ https://github.com/bulletphysics/bullet3/archive/refs/tags/${_bullet_tag}.tar.gz"
+checksum="bd7f77e1527c2180e9b0dfcbe401d6fb48f24dbb37701dac7747697873d6edb4
+ c647e307d6cc62ba00bfd888e82da83844bf1e72f2c98bed2f1d95bac229b950
+ baa642c906576d4d98d041d0acb80d85dd6eff6e3c16a009b1abf1ccd2bc0a61"
 
 if [ "$XBPS_TARGET_ENDIAN" != "le" ]; then
 	broken="https://gitlab.com/OpenMW/openmw/issues/564"
@@ -28,6 +34,16 @@ if [ "$XBPS_TARGET_NO_ATOMIC8" ]; then
 	configure_args+=" -DCMAKE_CXX_STANDARD_LIBRARIES=-latomic"
 fi
 
+post_extract() {
+	mv openmw-openmw-${version}/* .
+	mkdir -p build/fetched
+	ln -s -r build/fetched extern/fetched
+	ln -s -r build/fetched components/fetched
+	ln -s -r build/fetched fetched
+	mv -v bullet3-${_bullet_tag} build/fetched/bullet
+	mv -v recastnavigation-${_recast_commit} build/fetched/recastnavigation
+}
+
 openmw-cs_package() {
 	short_desc="Open Implementation of Morrowinds Creation Set"
 	depends="openmw-${version}_${revision}"