guix-play/gnu/packages/patches/minetest-subgame-env-var.patch
David Thompson 6e206ac788 gnu: Add minetest.
* gnu/packages/patches/minetest-subgame-env-var.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/games.scm (minetest): New variable.
2014-11-16 19:02:24 -05:00

93 lines
2.8 KiB
Diff

From fd5eaae2babb322f8a3e2acab55a12e218814c8e Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Sat, 6 Sep 2014 13:21:46 -0400
Subject: [PATCH] Search for subgames using $MINETEST_SUBGAME_PATH.
---
doc/minetest.6 | 6 ++++++
src/subgame.cpp | 30 ++++++++++++++++++++++++++++++
2 files changed, 36 insertions(+)
diff --git a/doc/minetest.6 b/doc/minetest.6
index d94c12c..ff54520 100644
--- a/doc/minetest.6
+++ b/doc/minetest.6
@@ -83,6 +83,12 @@ Set world path
Migrate from current map backend to another. Possible values are sqlite3
and leveldb. Only works when using --server.
+.SH ENVIRONMENT VARIABLES
+
+.TP
+MINETEST_SUBGAME_PATH
+Colon delimited list of directories to search for subgames.
+
.SH BUGS
Please report all bugs to Perttu Ahola <celeron55@gmail.com>.
diff --git a/src/subgame.cpp b/src/subgame.cpp
index f2465c9..e86655b 100644
--- a/src/subgame.cpp
+++ b/src/subgame.cpp
@@ -22,6 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "filesys.h"
#include "settings.h"
#include "log.h"
+#include "strfnd.h"
#ifndef SERVER
#include "tile.h" // getImagePath
#endif
@@ -59,6 +60,17 @@ struct GameFindPath
{}
};
+Strfnd getSubgamePathEnv() {
+ std::string sp;
+ char *subgame_path = getenv("MINETEST_SUBGAME_PATH");
+
+ if(subgame_path) {
+ sp = std::string(subgame_path);
+ }
+
+ return Strfnd(sp);
+}
+
SubgameSpec findSubgame(const std::string &id)
{
if(id == "")
@@ -66,6 +78,17 @@ SubgameSpec findSubgame(const std::string &id)
std::string share = porting::path_share;
std::string user = porting::path_user;
std::vector<GameFindPath> find_paths;
+
+ Strfnd search_paths = getSubgamePathEnv();
+
+ while(!search_paths.atend()) {
+ std::string path = search_paths.next(":");
+ find_paths.push_back(GameFindPath(
+ path + DIR_DELIM + id, false));
+ find_paths.push_back(GameFindPath(
+ path + DIR_DELIM + id + "_game", false));
+ }
+
find_paths.push_back(GameFindPath(
user + DIR_DELIM + "games" + DIR_DELIM + id + "_game", true));
find_paths.push_back(GameFindPath(
@@ -129,6 +152,13 @@ std::set<std::string> getAvailableGameIds()
std::set<std::string> gamespaths;
gamespaths.insert(porting::path_share + DIR_DELIM + "games");
gamespaths.insert(porting::path_user + DIR_DELIM + "games");
+
+ Strfnd search_paths = getSubgamePathEnv();
+
+ while(!search_paths.atend()) {
+ gamespaths.insert(search_paths.next(":"));
+ }
+
for(std::set<std::string>::const_iterator i = gamespaths.begin();
i != gamespaths.end(); i++){
std::vector<fs::DirListNode> dirlist = fs::GetDirListing(*i);
--
2.1.1