Move the PRS compression library into a separate application

apps/egs/src/egs_files.erl

@@ -506,7 +506,7 @@ nbl_pack_files([], {AccH, AccD, AccP, _FilePos, _PtrIndex}) ->
 	{BinD3, CompressedDataSize} = if BinDSize < 16#800 ->
 			{BinD, 0};
 		true ->
-			BinD2 = egs_prs:compress(BinD),
+			BinD2 = prs:compress(BinD),
 			BinD2Size = byte_size(BinD2),
 			{BinD2, BinD2Size}
 	end,

apps/egs/src/egs_quests_db.erl

@@ -106,7 +106,7 @@ handle_call({zone_nbl, QuestID, ZoneID}, _From, State=#state{quests=QuestsCache,
 			{Set0, SetPtrs} = egs_files:load_set_rel(ZoneDir ++ io_lib:format("set_r~b.conf", [0]), AreaID, Maps, FilePos),
 			ScriptBin = egs_files:load_script_bin(ZoneDir ++ "script.es"),
 			ScriptBinSize = byte_size(ScriptBin),
-			ScriptBin2 = egs_prs:compress(ScriptBin),
+			ScriptBin2 = prs:compress(ScriptBin),
 			ScriptBinSize2 = byte_size(ScriptBin2),
 			ScriptBin3 = << ScriptBinSize:32/little, ScriptBinSize2:32/little, 0:32, 1:32/little, 0:96, ScriptBin2/binary >>,
 			TextBin = egs_files:load_text_bin(ZoneDir ++ "text.bin.en_US.txt"),

apps/prs/c_src/prs_drv.c

@@ -71,4 +71,4 @@ static ErlNifFunc nif_funcs[] = {
 	{"compress", 1, compress_nif}
 };
 
-ERL_NIF_INIT(egs_prs, nif_funcs, load, reload, upgrade, unload)
+ERL_NIF_INIT(prs, nif_funcs, load, reload, upgrade, unload)

apps/prs/src/prs.app.src

@@ -0,0 +1,11 @@
+%%-*- mode: erlang -*-
+{application, prs, [
+	{description, "PRS compression library."},
+	{vsn, "0.1.0"},
+	{modules, []},
+	{registered, []},
+	{applications, [
+		kernel,
+		stdlib
+	]}
+]}.

apps/prs/src/prs.erl

@@ -17,12 +17,13 @@
 %%	You should have received a copy of the GNU Affero General Public License
 %%	along with EGS.  If not, see <http://www.gnu.org/licenses/>.
 
--module(egs_prs).
+-module(prs).
 -export([init/0, compress/1]).
 -on_load(init/0).
 
 init() ->
-	erlang:load_nif("priv/egs_drv", 0).
+	PrivDir = code:priv_dir(prs),
+	erlang:load_nif(PrivDir ++ "/prs_drv", 0).
 
 compress(_SrcBin) ->
 	erlang:nif_error(not_loaded).

rebar.config

@@ -1,6 +1,7 @@
 {sub_dirs, [
 	"apps/egs",
-	"apps/egs_patch"
+	"apps/egs_patch",
+	"apps/prs"
 ]}.
 {dialyzer_opts, [src, {warnings, [
 	behaviours,